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1 Commits

Author SHA1 Message Date
Theodor S. Midtlien
59cc28702b Add ios bindings for profile manager 2026-06-23 14:36:59 +02:00
221 changed files with 5102 additions and 27758 deletions

View File

@@ -64,7 +64,7 @@ jobs:
persist-credentials: false
- name: Set up Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: true

View File

@@ -21,13 +21,13 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
- name: Cache Go modules
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ~/go/pkg/mod
key: macos-gotest-${{ hashFiles('**/go.sum') }}
@@ -45,7 +45,7 @@ jobs:
run: git --no-pager diff --exit-code
- name: Test
run: NETBIRD_STORE_ENGINE=${{ matrix.store }} CI=true go test -coverprofile=coverage.txt -tags 'devcert privileged' -exec 'sudo --preserve-env=CI,NETBIRD_STORE_ENGINE' -timeout 5m -p 1 $(go list ./... | grep -v -e /management -e /signal -e /relay -e /proxy -e /combined -e /client/testutil/privileged)
run: NETBIRD_STORE_ENGINE=${{ matrix.store }} CI=true go test -coverprofile=coverage.txt -tags=devcert -exec 'sudo --preserve-env=CI,NETBIRD_STORE_ENGINE' -timeout 5m -p 1 $(go list ./... | grep -v -e /management -e /signal -e /relay -e /proxy -e /combined)
- name: Upload coverage reports to Codecov
uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f #v7.0.0

View File

@@ -48,14 +48,14 @@ jobs:
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
time go build -o netbird client/main.go
# check all component except management, since we do not support management server on freebsd
time go test -tags privileged -timeout 1m -failfast ./base62/...
time go test -timeout 1m -failfast ./base62/...
# NOTE: without -p1 `client/internal/dns` will fail because of `listen udp4 :33100: bind: address already in use`
time go test -tags privileged -timeout 8m -failfast -v -p 1 ./client/...
time go test -tags privileged -timeout 1m -failfast ./dns/...
time go test -tags privileged -timeout 1m -failfast ./encryption/...
time go test -tags privileged -timeout 1m -failfast ./formatter/...
time go test -tags privileged -timeout 1m -failfast ./client/iface/...
time go test -tags privileged -timeout 1m -failfast ./route/...
time go test -tags privileged -timeout 1m -failfast ./sharedsock/...
time go test -tags privileged -timeout 1m -failfast ./util/...
time go test -tags privileged -timeout 1m -failfast ./version/...
time go test -timeout 8m -failfast -v -p 1 ./client/...
time go test -timeout 1m -failfast ./dns/...
time go test -timeout 1m -failfast ./encryption/...
time go test -timeout 1m -failfast ./formatter/...
time go test -timeout 1m -failfast ./client/iface/...
time go test -timeout 1m -failfast ./route/...
time go test -timeout 1m -failfast ./sharedsock/...
time go test -timeout 1m -failfast ./util/...
time go test -timeout 1m -failfast ./version/...

View File

@@ -30,7 +30,7 @@ jobs:
- 'management/**'
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -41,7 +41,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
id: cache
with:
path: |
@@ -124,7 +124,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -135,7 +135,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -158,7 +158,7 @@ jobs:
run: git --no-pager diff --exit-code
- name: Test
run: CGO_ENABLED=1 GOARCH=${{ matrix.arch }} CI=true go test -coverprofile=coverage.txt -tags devcert -timeout 10m -p 1 $(go list ./... | grep -v -e /management -e /signal -e /relay -e /proxy -e /combined)
run: CGO_ENABLED=1 GOARCH=${{ matrix.arch }} CI=true go test -coverprofile=coverage.txt -tags devcert -exec 'sudo' -timeout 10m -p 1 $(go list ./... | grep -v -e /management -e /signal -e /relay -e /proxy -e /combined)
- name: Upload coverage reports to Codecov
if: matrix.arch == 'amd64'
@@ -180,7 +180,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -192,7 +192,7 @@ jobs:
echo "modcache_dir=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
id: cache-restore
with:
path: |
@@ -229,7 +229,7 @@ jobs:
sh -c ' \
apk update; apk add --no-cache \
ca-certificates iptables ip6tables dbus dbus-dev libpcap-dev build-base; \
go test -buildvcs=false -tags "devcert privileged" -v -timeout 10m -p 1 $(go list -buildvcs=false ./... | grep -v -e /management -e /signal -e /relay -e /proxy -e /combined -e /client/ui -e /upload-server -e /client/testutil/privileged)
go test -buildvcs=false -tags devcert -v -timeout 10m -p 1 $(go list -buildvcs=false ./... | grep -v -e /management -e /signal -e /relay -e /proxy -e /combined -e /client/ui -e /upload-server)
'
test_relay:
@@ -251,7 +251,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -266,7 +266,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -311,7 +311,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -325,7 +325,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -368,7 +368,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -383,7 +383,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -429,7 +429,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -440,7 +440,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -534,7 +534,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -545,7 +545,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -579,11 +579,10 @@ jobs:
CGO_ENABLED=1 GOARCH=${{ matrix.arch }} \
NETBIRD_STORE_ENGINE=${{ matrix.store }} \
CI=true \
GIT_BRANCH=${{ github.ref_name }} \
go test -tags devcert -run=^$ -bench=. \
-exec 'sudo --preserve-env=CI,NETBIRD_STORE_ENGINE,GIT_BRANCH,GITHUB_RUN_ID' \
-timeout 20m ./management/... ./shared/management/... $(go list ./management/... ./shared/management/... | grep -v -e /management/server/http)
env:
GIT_BRANCH: ${{ github.ref_name }}
api_benchmark:
name: "Management / Benchmark (API)"
@@ -629,7 +628,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -640,7 +639,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -674,13 +673,12 @@ jobs:
CGO_ENABLED=1 GOARCH=${{ matrix.arch }} \
NETBIRD_STORE_ENGINE=${{ matrix.store }} \
CI=true \
GIT_BRANCH=${{ github.ref_name }} \
go test -tags=benchmark \
-run=^$ \
-bench=. \
-exec 'sudo --preserve-env=CI,NETBIRD_STORE_ENGINE,GIT_BRANCH,GITHUB_RUN_ID' \
-timeout 20m ./management/server/http/...
env:
GIT_BRANCH: ${{ github.ref_name }}
api_integration_test:
name: "Management / Integration"
@@ -699,7 +697,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
@@ -710,7 +708,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}

View File

@@ -23,7 +23,7 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
id: go
with:
go-version-file: "go.mod"
@@ -35,7 +35,7 @@ jobs:
echo "modcache=$(go env GOMODCACHE)" >> $env:GITHUB_ENV
- name: Cache Go modules
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
${{ env.cache }}
@@ -68,7 +68,7 @@ jobs:
run: |
$packages = go list ./... | Where-Object { $_ -notmatch '/management' } | Where-Object { $_ -notmatch '/relay' } | Where-Object { $_ -notmatch '/signal' } | Where-Object { $_ -notmatch '/proxy' } | Where-Object { $_ -notmatch '/combined' }
$goExe = "C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe"
$cmd = "$goExe test -tags `"devcert privileged`" -timeout 10m -p 1 $($packages -join ' ') > test-out.txt 2>&1"
$cmd = "$goExe test -tags=devcert -timeout 10m -p 1 $($packages -join ' ') > test-out.txt 2>&1"
Set-Content -Path "${{ github.workspace }}\run-tests.cmd" -Value $cmd
- name: test

View File

@@ -48,7 +48,7 @@ jobs:
run: |
! awk '/const \(/,/)/{print $0}' management/server/activity/codes.go | grep -o '= [0-9]*' | sort | uniq -d | grep .
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false

View File

@@ -20,7 +20,7 @@ jobs:
with:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
- name: Setup Android SDK
@@ -28,13 +28,13 @@ jobs:
with:
cmdline-tools-version: 8512546
- name: Setup Java
uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520
uses: actions/setup-java@ad2b38190b15e4d6bdf0c97fb4fca8412226d287
with:
java-version: "11"
distribution: "adopt"
- name: NDK Cache
id: ndk-cache
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: /usr/local/lib/android/sdk/ndk
key: ndk-cache-23.1.7779620
@@ -58,7 +58,7 @@ jobs:
with:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
- name: install gomobile

View File

@@ -166,12 +166,12 @@ jobs:
fi
- name: Set up Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
- name: Cache Go modules
uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
~/go/pkg/mod
@@ -374,12 +374,12 @@ jobs:
fi
- name: Set up Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
- name: Cache Go modules
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
~/go/pkg/mod
@@ -469,12 +469,12 @@ jobs:
fetch-depth: 0 # It is required for GoReleaser to work properly
persist-credentials: false
- name: Set up Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
cache: false
- name: Cache Go modules
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: |
~/go/pkg/mod

View File

@@ -73,12 +73,12 @@ jobs:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
- name: Cache Go modules
uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ~/go/pkg/mod
key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}

View File

@@ -23,7 +23,7 @@ jobs:
with:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
- name: Install dependencies
@@ -48,7 +48,7 @@ jobs:
with:
persist-credentials: false
- name: Install Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
with:
go-version-file: "go.mod"
- name: Build Wasm client

View File

@@ -1,4 +1,4 @@
.PHONY: lint lint-all lint-install setup-hooks test-unit test-privileged
.PHONY: lint lint-all lint-install setup-hooks
GOLANGCI_LINT := $(shell pwd)/bin/golangci-lint
# Install golangci-lint locally if needed
@@ -25,15 +25,3 @@ setup-hooks:
@git config core.hooksPath .githooks
@chmod +x .githooks/pre-push
@echo "✅ Git hooks configured! Pre-push will now run 'make lint'"
# Host-safe unit tests: excludes the privileged-tagged tests (root / system-mutating).
# Runs as a normal user with no sudo and leaves host networking untouched.
test-unit:
@go test -tags devcert -timeout 10m ./...
# Privileged suite: runs the `privileged`-tagged tests inside a --privileged
# --cap-add=NET_ADMIN container via the ory/dockertest harness. Requires Docker.
# Narrow the run with env vars, e.g.:
# PRIV_RUN=TestNftablesManager PRIV_PKGS=./client/firewall/nftables/... make test-privileged
test-privileged:
@go test -tags 'devcert privileged' -timeout 30m -run TestRunPrivilegedSuiteInDocker -v ./client/testutil/privileged/...

View File

@@ -37,11 +37,6 @@
</strong>
</p>
> ### 🤖 NetBird Agent Network (Beta)
> Identity-aware access control for AI agents — keyless access to LLM APIs and private
> resources over the encrypted NetBird tunnel. See [`agent-network/`](agent-network/) or
> read the docs at **[netbird.ai](https://netbird.ai)**.
**NetBird combines a configuration-free peer-to-peer private network and a centralized access control system in a single platform, making it easy to create secure private networks for your organization or home.**
**Connect.** NetBird creates a WireGuard-based overlay network that automatically connects your machines over an encrypted tunnel, leaving behind the hassle of opening ports, complex firewall rules, VPN gateways, and so forth.

View File

@@ -1,39 +0,0 @@
# NetBird Agent Network
Agent Network is NetBird's access control layer for AI agents and the people who run
them. It gives every agent a real identity, tied to your identity provider (IdP), and
governs what it can reach — the LLM APIs and AI gateways it can call, and the internal
resources it can access. Traffic flows only over the encrypted NetBird tunnel, scoped by
policy, with no API keys to leak.
> **Beta.** Agent Network is open source and can be self-hosted on your own
> infrastructure.
## How it works
Agent Network is built on two existing NetBird capabilities:
- **Overlay network** — the encrypted WireGuard mesh between peers.
- **Reverse proxy** — a NetBird peer that terminates LLM requests, establishes the
caller's identity, evaluates policies/limits/guardrails, injects the upstream provider
key server-side, forwards to the API or gateway, and records usage.
LLM traffic is routed through the proxy's identity-aware pipeline, while internal
resources (databases, internal APIs, self-hosted models) are reached directly over
peer-to-peer WireGuard tunnels, governed by the same identities and access policies.
## Where the code lives
There is no separate "agent-network" service — it reuses the reverse-proxy and management
components:
- [`proxy/`](../proxy) — the NetBird reverse proxy that serves the agent network endpoint
and runs the per-request middleware pipeline.
- [`management/internals/modules/reverseproxy/`](../management/internals/modules/reverseproxy)
— the management-side control plane: providers, policies, guardrails, limits, routing,
and usage/access logs.
## Documentation
Full documentation, architecture, and quickstart:
**https://docs.netbird.io/agent-network**

View File

@@ -1,196 +0,0 @@
//go:build privileged
package cmd
import (
"context"
"fmt"
"os"
"runtime"
"testing"
"time"
"github.com/kardianos/service"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const (
serviceStartTimeout = 10 * time.Second
serviceStopTimeout = 5 * time.Second
statusPollInterval = 500 * time.Millisecond
)
// waitForServiceStatus waits for service to reach expected status with timeout
func waitForServiceStatus(expectedStatus service.Status, timeout time.Duration) (bool, error) {
cfg, err := newSVCConfig()
if err != nil {
return false, err
}
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
if err != nil {
return false, err
}
ctx, timeoutCancel := context.WithTimeout(context.Background(), timeout)
defer timeoutCancel()
ticker := time.NewTicker(statusPollInterval)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return false, fmt.Errorf("timeout waiting for service status %v", expectedStatus)
case <-ticker.C:
status, err := s.Status()
if err != nil {
// Continue polling on transient errors
continue
}
if status == expectedStatus {
return true, nil
}
}
}
}
// TestServiceLifecycle tests the complete service lifecycle
func TestServiceLifecycle(t *testing.T) {
// TODO: Add support for Windows and macOS
if runtime.GOOS != "linux" && runtime.GOOS != "freebsd" {
t.Skipf("Skipping service lifecycle test on unsupported OS: %s", runtime.GOOS)
}
if os.Getenv("CONTAINER") == "true" {
t.Skip("Skipping service lifecycle test in container environment")
}
originalServiceName := serviceName
serviceName = "netbirdtest" + fmt.Sprintf("%d", time.Now().Unix())
defer func() {
serviceName = originalServiceName
}()
tempDir := t.TempDir()
configPath = fmt.Sprintf("%s/netbird-test-config.json", tempDir)
logLevel = "info"
daemonAddr = fmt.Sprintf("unix://%s/netbird-test.sock", tempDir)
// Ensure cleanup even if a subtest fails and Stop/Uninstall subtests don't run.
t.Cleanup(func() {
cfg, err := newSVCConfig()
if err != nil {
t.Errorf("cleanup: create service config: %v", err)
return
}
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
if err != nil {
t.Errorf("cleanup: create service: %v", err)
return
}
// If the subtests already cleaned up, there's nothing to do.
if _, err := s.Status(); err != nil {
return
}
if err := s.Stop(); err != nil {
t.Errorf("cleanup: stop service: %v", err)
}
if err := s.Uninstall(); err != nil {
t.Errorf("cleanup: uninstall service: %v", err)
}
})
ctx := context.Background()
t.Run("Install", func(t *testing.T) {
installCmd.SetContext(ctx)
err := installCmd.RunE(installCmd, []string{})
require.NoError(t, err)
cfg, err := newSVCConfig()
require.NoError(t, err)
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
require.NoError(t, err)
status, err := s.Status()
assert.NoError(t, err)
assert.NotEqual(t, service.StatusUnknown, status)
})
t.Run("Start", func(t *testing.T) {
startCmd.SetContext(ctx)
err := startCmd.RunE(startCmd, []string{})
require.NoError(t, err)
running, err := waitForServiceStatus(service.StatusRunning, serviceStartTimeout)
require.NoError(t, err)
assert.True(t, running)
})
t.Run("Restart", func(t *testing.T) {
restartCmd.SetContext(ctx)
err := restartCmd.RunE(restartCmd, []string{})
require.NoError(t, err)
running, err := waitForServiceStatus(service.StatusRunning, serviceStartTimeout)
require.NoError(t, err)
assert.True(t, running)
})
t.Run("Reconfigure", func(t *testing.T) {
originalLogLevel := logLevel
logLevel = "debug"
defer func() {
logLevel = originalLogLevel
}()
reconfigureCmd.SetContext(ctx)
err := reconfigureCmd.RunE(reconfigureCmd, []string{})
require.NoError(t, err)
running, err := waitForServiceStatus(service.StatusRunning, serviceStartTimeout)
require.NoError(t, err)
assert.True(t, running)
})
t.Run("Stop", func(t *testing.T) {
stopCmd.SetContext(ctx)
err := stopCmd.RunE(stopCmd, []string{})
require.NoError(t, err)
stopped, err := waitForServiceStatus(service.StatusStopped, serviceStopTimeout)
require.NoError(t, err)
assert.True(t, stopped)
})
t.Run("Uninstall", func(t *testing.T) {
uninstallCmd.SetContext(ctx)
err := uninstallCmd.RunE(uninstallCmd, []string{})
require.NoError(t, err)
cfg, err := newSVCConfig()
require.NoError(t, err)
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
require.NoError(t, err)
_, err = s.Status()
assert.Error(t, err)
})
}

View File

@@ -1,12 +1,16 @@
package cmd
import (
"context"
"fmt"
"os"
"os/signal"
"runtime"
"syscall"
"testing"
"time"
"github.com/kardianos/service"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
@@ -27,6 +31,186 @@ func TestMain(m *testing.M) {
os.Exit(m.Run())
}
const (
serviceStartTimeout = 10 * time.Second
serviceStopTimeout = 5 * time.Second
statusPollInterval = 500 * time.Millisecond
)
// waitForServiceStatus waits for service to reach expected status with timeout
func waitForServiceStatus(expectedStatus service.Status, timeout time.Duration) (bool, error) {
cfg, err := newSVCConfig()
if err != nil {
return false, err
}
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
if err != nil {
return false, err
}
ctx, timeoutCancel := context.WithTimeout(context.Background(), timeout)
defer timeoutCancel()
ticker := time.NewTicker(statusPollInterval)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return false, fmt.Errorf("timeout waiting for service status %v", expectedStatus)
case <-ticker.C:
status, err := s.Status()
if err != nil {
// Continue polling on transient errors
continue
}
if status == expectedStatus {
return true, nil
}
}
}
}
// TestServiceLifecycle tests the complete service lifecycle
func TestServiceLifecycle(t *testing.T) {
// TODO: Add support for Windows and macOS
if runtime.GOOS != "linux" && runtime.GOOS != "freebsd" {
t.Skipf("Skipping service lifecycle test on unsupported OS: %s", runtime.GOOS)
}
if os.Getenv("CONTAINER") == "true" {
t.Skip("Skipping service lifecycle test in container environment")
}
originalServiceName := serviceName
serviceName = "netbirdtest" + fmt.Sprintf("%d", time.Now().Unix())
defer func() {
serviceName = originalServiceName
}()
tempDir := t.TempDir()
configPath = fmt.Sprintf("%s/netbird-test-config.json", tempDir)
logLevel = "info"
daemonAddr = fmt.Sprintf("unix://%s/netbird-test.sock", tempDir)
// Ensure cleanup even if a subtest fails and Stop/Uninstall subtests don't run.
t.Cleanup(func() {
cfg, err := newSVCConfig()
if err != nil {
t.Errorf("cleanup: create service config: %v", err)
return
}
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
if err != nil {
t.Errorf("cleanup: create service: %v", err)
return
}
// If the subtests already cleaned up, there's nothing to do.
if _, err := s.Status(); err != nil {
return
}
if err := s.Stop(); err != nil {
t.Errorf("cleanup: stop service: %v", err)
}
if err := s.Uninstall(); err != nil {
t.Errorf("cleanup: uninstall service: %v", err)
}
})
ctx := context.Background()
t.Run("Install", func(t *testing.T) {
installCmd.SetContext(ctx)
err := installCmd.RunE(installCmd, []string{})
require.NoError(t, err)
cfg, err := newSVCConfig()
require.NoError(t, err)
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
require.NoError(t, err)
status, err := s.Status()
assert.NoError(t, err)
assert.NotEqual(t, service.StatusUnknown, status)
})
t.Run("Start", func(t *testing.T) {
startCmd.SetContext(ctx)
err := startCmd.RunE(startCmd, []string{})
require.NoError(t, err)
running, err := waitForServiceStatus(service.StatusRunning, serviceStartTimeout)
require.NoError(t, err)
assert.True(t, running)
})
t.Run("Restart", func(t *testing.T) {
restartCmd.SetContext(ctx)
err := restartCmd.RunE(restartCmd, []string{})
require.NoError(t, err)
running, err := waitForServiceStatus(service.StatusRunning, serviceStartTimeout)
require.NoError(t, err)
assert.True(t, running)
})
t.Run("Reconfigure", func(t *testing.T) {
originalLogLevel := logLevel
logLevel = "debug"
defer func() {
logLevel = originalLogLevel
}()
reconfigureCmd.SetContext(ctx)
err := reconfigureCmd.RunE(reconfigureCmd, []string{})
require.NoError(t, err)
running, err := waitForServiceStatus(service.StatusRunning, serviceStartTimeout)
require.NoError(t, err)
assert.True(t, running)
})
t.Run("Stop", func(t *testing.T) {
stopCmd.SetContext(ctx)
err := stopCmd.RunE(stopCmd, []string{})
require.NoError(t, err)
stopped, err := waitForServiceStatus(service.StatusStopped, serviceStopTimeout)
require.NoError(t, err)
assert.True(t, stopped)
})
t.Run("Uninstall", func(t *testing.T) {
uninstallCmd.SetContext(ctx)
err := uninstallCmd.RunE(uninstallCmd, []string{})
require.NoError(t, err)
cfg, err := newSVCConfig()
require.NoError(t, err)
ctxSvc, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
require.NoError(t, err)
_, err = s.Status()
assert.Error(t, err)
})
}
// TestServiceEnvVars tests environment variable parsing
func TestServiceEnvVars(t *testing.T) {
tests := []struct {

View File

@@ -401,12 +401,6 @@ func setupSetConfigReq(customDNSAddressConverted []byte, cmd *cobra.Command, pro
if cmd.Flag(serverSSHAllowedFlag).Changed {
req.ServerSSHAllowed = &serverSSHAllowed
}
if cmd.Flag(serverVNCAllowedFlag).Changed {
req.ServerVNCAllowed = &serverVNCAllowed
}
if cmd.Flag(disableVNCApprovalFlag).Changed {
req.DisableVNCApproval = &disableVNCApproval
}
if cmd.Flag(enableSSHRootFlag).Changed {
req.EnableSSHRoot = &enableSSHRoot
}
@@ -513,14 +507,30 @@ func setupConfig(customDNSAddressConverted []byte, cmd *cobra.Command, configFil
if cmd.Flag(serverSSHAllowedFlag).Changed {
ic.ServerSSHAllowed = &serverSSHAllowed
}
if cmd.Flag(serverVNCAllowedFlag).Changed {
ic.ServerVNCAllowed = &serverVNCAllowed
}
if cmd.Flag(disableVNCApprovalFlag).Changed {
ic.DisableVNCApproval = &disableVNCApproval
if cmd.Flag(enableSSHRootFlag).Changed {
ic.EnableSSHRoot = &enableSSHRoot
}
applySSHFlagsToConfig(cmd, &ic)
if cmd.Flag(enableSSHSFTPFlag).Changed {
ic.EnableSSHSFTP = &enableSSHSFTP
}
if cmd.Flag(enableSSHLocalPortForwardFlag).Changed {
ic.EnableSSHLocalPortForwarding = &enableSSHLocalPortForward
}
if cmd.Flag(enableSSHRemotePortForwardFlag).Changed {
ic.EnableSSHRemotePortForwarding = &enableSSHRemotePortForward
}
if cmd.Flag(disableSSHAuthFlag).Changed {
ic.DisableSSHAuth = &disableSSHAuth
}
if cmd.Flag(sshJWTCacheTTLFlag).Changed {
ic.SSHJWTCacheTTL = &sshJWTCacheTTL
}
if cmd.Flag(interfaceNameFlag).Changed {
if err := parseInterfaceName(interfaceName); err != nil {
@@ -596,49 +606,6 @@ func setupConfig(customDNSAddressConverted []byte, cmd *cobra.Command, configFil
return &ic, nil
}
func applySSHFlagsToConfig(cmd *cobra.Command, ic *profilemanager.ConfigInput) {
if cmd.Flag(enableSSHRootFlag).Changed {
ic.EnableSSHRoot = &enableSSHRoot
}
if cmd.Flag(enableSSHSFTPFlag).Changed {
ic.EnableSSHSFTP = &enableSSHSFTP
}
if cmd.Flag(enableSSHLocalPortForwardFlag).Changed {
ic.EnableSSHLocalPortForwarding = &enableSSHLocalPortForward
}
if cmd.Flag(enableSSHRemotePortForwardFlag).Changed {
ic.EnableSSHRemotePortForwarding = &enableSSHRemotePortForward
}
if cmd.Flag(disableSSHAuthFlag).Changed {
ic.DisableSSHAuth = &disableSSHAuth
}
if cmd.Flag(sshJWTCacheTTLFlag).Changed {
ic.SSHJWTCacheTTL = &sshJWTCacheTTL
}
}
func applySSHFlagsToLogin(cmd *cobra.Command, req *proto.LoginRequest) {
if cmd.Flag(enableSSHRootFlag).Changed {
req.EnableSSHRoot = &enableSSHRoot
}
if cmd.Flag(enableSSHSFTPFlag).Changed {
req.EnableSSHSFTP = &enableSSHSFTP
}
if cmd.Flag(enableSSHLocalPortForwardFlag).Changed {
req.EnableSSHLocalPortForwarding = &enableSSHLocalPortForward
}
if cmd.Flag(enableSSHRemotePortForwardFlag).Changed {
req.EnableSSHRemotePortForwarding = &enableSSHRemotePortForward
}
if cmd.Flag(disableSSHAuthFlag).Changed {
req.DisableSSHAuth = &disableSSHAuth
}
if cmd.Flag(sshJWTCacheTTLFlag).Changed {
ttl := int32(sshJWTCacheTTL)
req.SshJWTCacheTTL = &ttl
}
}
func setupLoginRequest(providedSetupKey string, customDNSAddressConverted []byte, cmd *cobra.Command) (*proto.LoginRequest, error) {
loginRequest := proto.LoginRequest{
SetupKey: providedSetupKey,
@@ -668,14 +635,31 @@ func setupLoginRequest(providedSetupKey string, customDNSAddressConverted []byte
if cmd.Flag(serverSSHAllowedFlag).Changed {
loginRequest.ServerSSHAllowed = &serverSSHAllowed
}
if cmd.Flag(serverVNCAllowedFlag).Changed {
loginRequest.ServerVNCAllowed = &serverVNCAllowed
}
if cmd.Flag(disableVNCApprovalFlag).Changed {
loginRequest.DisableVNCApproval = &disableVNCApproval
if cmd.Flag(enableSSHRootFlag).Changed {
loginRequest.EnableSSHRoot = &enableSSHRoot
}
applySSHFlagsToLogin(cmd, &loginRequest)
if cmd.Flag(enableSSHSFTPFlag).Changed {
loginRequest.EnableSSHSFTP = &enableSSHSFTP
}
if cmd.Flag(enableSSHLocalPortForwardFlag).Changed {
loginRequest.EnableSSHLocalPortForwarding = &enableSSHLocalPortForward
}
if cmd.Flag(enableSSHRemotePortForwardFlag).Changed {
loginRequest.EnableSSHRemotePortForwarding = &enableSSHRemotePortForward
}
if cmd.Flag(disableSSHAuthFlag).Changed {
loginRequest.DisableSSHAuth = &disableSSHAuth
}
if cmd.Flag(sshJWTCacheTTLFlag).Changed {
sshJWTCacheTTL32 := int32(sshJWTCacheTTL)
loginRequest.SshJWTCacheTTL = &sshJWTCacheTTL32
}
if cmd.Flag(disableAutoConnectFlag).Changed {
loginRequest.DisableAutoConnect = &autoConnectDisabled

View File

@@ -1,100 +0,0 @@
//go:build windows || (darwin && !ios)
package cmd
import (
"fmt"
"net"
"net/netip"
"os"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
var (
vncAgentSocket string
vncAgentTargetUID uint32
)
func init() {
vncAgentCmd.Flags().StringVar(&vncAgentSocket, "socket", "", "Unix-domain socket path the agent listens on (required)")
vncAgentCmd.Flags().Uint32Var(&vncAgentTargetUID, "target-uid", 0, "uid the agent should drop privileges to before listening (darwin only; 0 = stay as current uid)")
rootCmd.AddCommand(vncAgentCmd)
}
// vncAgentCmd runs a VNC server inside the user's interactive session,
// listening on a Unix-domain socket. The NetBird service spawns it: on
// Windows via CreateProcessAsUser into the console session, on macOS via
// launchctl asuser into the Aqua session.
var vncAgentCmd = &cobra.Command{
Use: "vnc-agent",
Short: "Run VNC capture agent (internal, spawned by service)",
Hidden: true,
RunE: func(cmd *cobra.Command, args []string) error {
log.SetReportCaller(true)
log.SetFormatter(&log.JSONFormatter{})
log.SetOutput(os.Stderr)
if vncAgentSocket == "" {
return fmt.Errorf("--socket is required")
}
token := os.Getenv("NB_VNC_AGENT_TOKEN")
if token == "" {
return fmt.Errorf("NB_VNC_AGENT_TOKEN not set; agent requires a token from the service")
}
// Purge the token from env so it doesn't leak via /proc/<pid>/environ.
if err := os.Unsetenv("NB_VNC_AGENT_TOKEN"); err != nil {
log.Debugf("unset NB_VNC_AGENT_TOKEN: %v", err)
}
// Drop root privileges to the target console user BEFORE creating
// the listening socket: keeps a post-auth bug in the encoder /
// input / capture paths confined to the user's own privileges
// rather than escalating to host root, and makes the daemon's
// LOCAL_PEERCRED check see the right uid. No-op on Windows
// (both processes run as SYSTEM) and when --target-uid is 0.
if vncAgentTargetUID != 0 {
if err := dropAgentPrivileges(vncAgentTargetUID); err != nil {
return fmt.Errorf("drop privileges to uid %d: %w", vncAgentTargetUID, err)
}
}
if err := os.Remove(vncAgentSocket); err != nil && !os.IsNotExist(err) {
log.Debugf("remove stale socket %s: %v", vncAgentSocket, err)
}
ln, err := net.Listen("unix", vncAgentSocket)
if err != nil {
return fmt.Errorf("listen on %s: %w", vncAgentSocket, err)
}
if err := os.Chmod(vncAgentSocket, 0o600); err != nil {
log.Debugf("chmod %s: %v", vncAgentSocket, err)
}
capturer, injector, err := newAgentResources()
if err != nil {
_ = ln.Close()
return err
}
srv := vncserver.New(vncserver.Config{
Capturer: capturer,
Injector: injector,
DisableAuth: true,
AgentTokenHex: token,
Listener: ln,
})
if err := srv.Start(cmd.Context(), netip.AddrPort{}, netip.Prefix{}); err != nil {
return fmt.Errorf("start vnc server: %w", err)
}
log.Infof("vnc-agent listening on %s, ready", vncAgentSocket)
<-cmd.Context().Done()
log.Info("vnc-agent context cancelled, shutting down")
return srv.Stop()
},
SilenceUsage: true,
}

View File

@@ -1,18 +0,0 @@
//go:build darwin && !ios
package cmd
import (
"fmt"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
func newAgentResources() (vncserver.ScreenCapturer, vncserver.InputInjector, error) {
capturer := vncserver.NewMacPoller()
injector, err := vncserver.NewMacInputInjector()
if err != nil {
return nil, nil, fmt.Errorf("macOS input injector: %w", err)
}
return capturer, injector, nil
}

View File

@@ -1,74 +0,0 @@
//go:build darwin && !ios
package cmd
import (
"fmt"
"os"
"os/user"
"strconv"
"syscall"
)
// dropAgentPrivileges drops the vnc-agent process from root (its
// launchctl-asuser-inherited starting uid) to the target console user
// before any other initialisation runs. Without this the agent runs as
// root for the lifetime of the session; any post-auth memory-safety
// issue in the capture/input/encode paths would then be a root-level
// RCE on the host instead of a user-level one. Also makes the daemon's
// LOCAL_PEERCRED check correctly identify the agent as the console user,
// not as root.
//
// Returns an error when the agent is running as a non-root uid that
// differs from targetUID: non-root can only setuid to itself, so a
// mismatch here means the spawn went to the wrong session.
func dropAgentPrivileges(targetUID uint32) error {
if targetUID == 0 {
return fmt.Errorf("refusing to keep agent running as root (target uid 0)")
}
cur := uint32(os.Getuid())
if cur == targetUID {
return nil
}
if cur != 0 {
return fmt.Errorf("agent uid %d does not match expected %d and we lack root to fix it", cur, targetUID)
}
// Resolve the target user's real primary group rather than reusing
// targetUID as the gid: a user's primary group on macOS is typically
// staff(20), not gid==uid. Fail closed if the lookup fails.
targetGID, err := primaryGroupID(targetUID)
if err != nil {
return err
}
// Drop supplementary groups first: setgid alone doesn't touch the
// auxiliary group list, leaving root's groups attached would let the
// dropped process write to root-only group-writable files.
if err := syscall.Setgroups([]int{}); err != nil {
return fmt.Errorf("setgroups([]): %w", err)
}
if err := syscall.Setgid(targetGID); err != nil {
return fmt.Errorf("setgid(%d): %w", targetGID, err)
}
if err := syscall.Setuid(int(targetUID)); err != nil {
return fmt.Errorf("setuid(%d): %w", targetUID, err)
}
if uint32(os.Getuid()) != targetUID || uint32(os.Geteuid()) != targetUID {
return fmt.Errorf("setuid verification: uid=%d euid=%d, expected %d", os.Getuid(), os.Geteuid(), targetUID)
}
return nil
}
// primaryGroupID resolves the real primary group id of the user with the
// given uid. Fails closed: a lookup or parse error returns an error so the
// caller never falls back to using uid as the gid.
func primaryGroupID(targetUID uint32) (int, error) {
u, err := user.LookupId(strconv.Itoa(int(targetUID)))
if err != nil {
return 0, fmt.Errorf("look up uid %d: %w", targetUID, err)
}
gid, err := strconv.Atoi(u.Gid)
if err != nil {
return 0, fmt.Errorf("parse gid %q for uid %d: %w", u.Gid, targetUID, err)
}
return gid, nil
}

View File

@@ -1,55 +0,0 @@
//go:build darwin && !ios
package cmd
import (
"strings"
"testing"
)
// TestDropAgentPrivileges_RefusesRootTarget locks in the contract that
// dropAgentPrivileges must never be a no-op when asked to keep the
// agent as root (target uid 0). A future caller that passes 0 by
// mistake would otherwise leave the post-auth attack surface running
// with full root privileges.
func TestDropAgentPrivileges_RefusesRootTarget(t *testing.T) {
err := dropAgentPrivileges(0)
if err == nil {
t.Fatal("expected refusal for target uid 0, got nil")
}
if !strings.Contains(err.Error(), "root") {
t.Fatalf("error should mention root, got: %v", err)
}
}
// TestDropAgentPrivileges_NoOpWhenAlreadyTarget covers the dev path
// where the agent is launched by hand as the target user (no root
// available, no setuid needed). The helper must succeed silently
// instead of trying (and failing) a setuid to its current uid.
func TestDropAgentPrivileges_NoOpWhenAlreadyTarget(t *testing.T) {
// Skip when running as root: the early-return path we want to
// cover only fires when current uid == target uid.
uid := currentUIDForTest()
if uid == 0 {
t.Skip("test must not run as root; cannot exercise the no-op early-return")
}
if err := dropAgentPrivileges(uid); err != nil {
t.Fatalf("expected no-op when current uid == target, got: %v", err)
}
}
// TestDropAgentPrivileges_RefusesMismatchedNonRoot guards the "non-root
// caller tries to setuid to a different uid" path: setuid would fail
// with EPERM anyway, but the helper should surface a clear error
// before issuing the syscall so a misconfigured spawn (wrong --target-uid
// flag) is debuggable.
func TestDropAgentPrivileges_RefusesMismatchedNonRoot(t *testing.T) {
uid := currentUIDForTest()
if uid == 0 {
t.Skip("test must not run as root; covered case requires non-root caller")
}
err := dropAgentPrivileges(uid + 1)
if err == nil {
t.Fatal("expected refusal when non-root caller asks to setuid elsewhere")
}
}

View File

@@ -1,11 +0,0 @@
//go:build darwin && !ios
package cmd
import "os"
// currentUIDForTest exposes os.Getuid for the darwin dropprivs tests
// without leaking an os import into the test file itself.
func currentUIDForTest() uint32 {
return uint32(os.Getuid())
}

View File

@@ -1,14 +0,0 @@
//go:build windows
package cmd
// dropAgentPrivileges is a no-op on Windows: the agent and the daemon
// both run as SYSTEM (the daemon spawns the agent into the interactive
// session via CreateProcessAsUser with an impersonation token, but the
// resulting process still runs under SYSTEM, not under the user's
// account). The Windows path relies on the DACL-restricted socket
// directory, the unpredictable per-spawn socket name, the listen-readiness
// gate, and the per-spawn token for integrity instead.
func dropAgentPrivileges(_ uint32) error {
return nil
}

View File

@@ -1,15 +0,0 @@
//go:build windows
package cmd
import (
log "github.com/sirupsen/logrus"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
func newAgentResources() (vncserver.ScreenCapturer, vncserver.InputInjector, error) {
sessionID := vncserver.GetCurrentSessionID()
log.Infof("VNC agent running in Windows session %d", sessionID)
return vncserver.NewDesktopCapturer(), vncserver.NewWindowsInputInjector(), nil
}

View File

@@ -1,16 +0,0 @@
package cmd
const (
serverVNCAllowedFlag = "allow-server-vnc"
disableVNCApprovalFlag = "disable-vnc-approval"
)
var (
serverVNCAllowed bool
disableVNCApproval bool
)
func init() {
upCmd.PersistentFlags().BoolVar(&serverVNCAllowed, serverVNCAllowedFlag, false, "Allow embedded VNC server on peer")
upCmd.PersistentFlags().BoolVar(&disableVNCApproval, disableVNCApprovalFlag, false, "Disable per-connection user approval prompts for the embedded VNC server")
}

View File

@@ -6,30 +6,19 @@ import (
"runtime"
)
var (
// StateDir holds persistent state (config, profiles, install metadata).
StateDir string
// RuntimeDir holds ephemeral artifacts that should not survive reboot,
// such as Unix sockets for daemon and per-session IPC. Empty on
// platforms without a conventional /var/run-style location.
RuntimeDir string
)
var StateDir string
func init() {
StateDir = os.Getenv("NB_STATE_DIR")
if StateDir != "" {
return
}
switch runtime.GOOS {
case "windows":
StateDir = filepath.Join(os.Getenv("PROGRAMDATA"), "Netbird")
case "darwin", "linux":
StateDir = "/var/lib/netbird"
RuntimeDir = "/var/run/netbird"
case "freebsd", "openbsd", "netbsd", "dragonfly":
StateDir = "/var/db/netbird"
RuntimeDir = "/var/run/netbird"
}
if v := os.Getenv("NB_STATE_DIR"); v != "" {
StateDir = v
}
if v := os.Getenv("NB_RUNTIME_DIR"); v != "" {
RuntimeDir = v
}
}

View File

@@ -1,5 +1,3 @@
//go:build privileged
package iptables
import (

View File

@@ -1,4 +1,4 @@
//go:build !android && privileged
//go:build !android
package iptables

View File

@@ -1,5 +1,3 @@
//go:build privileged
package nftables
import (

View File

@@ -1,4 +1,4 @@
//go:build !android && privileged
//go:build !android
package nftables

View File

@@ -1,5 +1,3 @@
//go:build privileged
package iface
import (

View File

@@ -1,4 +1,4 @@
//go:build linux && !android && privileged
//go:build linux && !android
package wgproxy

View File

@@ -1,4 +1,4 @@
//go:build !linux || !privileged
//go:build !linux
package wgproxy

View File

@@ -1,4 +1,4 @@
//go:build linux && !android && privileged
//go:build linux && !android
package wgproxy
@@ -26,6 +26,64 @@ func compareUDPAddr(addr1, addr2 net.Addr) bool {
return udpAddr1.IP.Equal(udpAddr2.IP) && udpAddr1.Port == udpAddr2.Port
}
// TestRedirectAs_eBPF_IPv4 tests RedirectAs with eBPF proxy using IPv4 addresses
func TestRedirectAs_eBPF_IPv4(t *testing.T) {
wgPort := 51850
ebpfProxy := ebpf.NewWGEBPFProxy(wgPort, 1280)
if err := ebpfProxy.Listen(); err != nil {
t.Fatalf("failed to initialize ebpf proxy: %v", err)
}
defer func() {
if err := ebpfProxy.Free(); err != nil {
t.Errorf("failed to free ebpf proxy: %v", err)
}
}()
proxy := ebpf.NewProxyWrapper(ebpfProxy)
// NetBird UDP address of the remote peer
nbAddr := &net.UDPAddr{
IP: net.ParseIP("100.108.111.177"),
Port: 38746,
}
p2pEndpoint := &net.UDPAddr{
IP: net.ParseIP("192.168.0.56"),
Port: 51820,
}
testRedirectAs(t, proxy, wgPort, nbAddr, p2pEndpoint)
}
// TestRedirectAs_eBPF_IPv6 tests RedirectAs with eBPF proxy using IPv6 addresses
func TestRedirectAs_eBPF_IPv6(t *testing.T) {
wgPort := 51851
ebpfProxy := ebpf.NewWGEBPFProxy(wgPort, 1280)
if err := ebpfProxy.Listen(); err != nil {
t.Fatalf("failed to initialize ebpf proxy: %v", err)
}
defer func() {
if err := ebpfProxy.Free(); err != nil {
t.Errorf("failed to free ebpf proxy: %v", err)
}
}()
proxy := ebpf.NewProxyWrapper(ebpfProxy)
// NetBird UDP address of the remote peer
nbAddr := &net.UDPAddr{
IP: net.ParseIP("100.108.111.177"),
Port: 38746,
}
p2pEndpoint := &net.UDPAddr{
IP: net.ParseIP("fe80::56"),
Port: 51820,
}
testRedirectAs(t, proxy, wgPort, nbAddr, p2pEndpoint)
}
// TestRedirectAs_UDP_IPv4 tests RedirectAs with UDP proxy using IPv4 addresses
func TestRedirectAs_UDP_IPv4(t *testing.T) {
wgPort := 51852
@@ -198,64 +256,6 @@ func testRedirectAs(t *testing.T, proxy Proxy, wgPort int, nbAddr, p2pEndpoint *
}
}
// TestRedirectAs_eBPF_IPv4 tests RedirectAs with eBPF proxy using IPv4 addresses
func TestRedirectAs_eBPF_IPv4(t *testing.T) {
wgPort := 51850
ebpfProxy := ebpf.NewWGEBPFProxy(wgPort, 1280)
if err := ebpfProxy.Listen(); err != nil {
t.Fatalf("failed to initialize ebpf proxy: %v", err)
}
defer func() {
if err := ebpfProxy.Free(); err != nil {
t.Errorf("failed to free ebpf proxy: %v", err)
}
}()
proxy := ebpf.NewProxyWrapper(ebpfProxy)
// NetBird UDP address of the remote peer
nbAddr := &net.UDPAddr{
IP: net.ParseIP("100.108.111.177"),
Port: 38746,
}
p2pEndpoint := &net.UDPAddr{
IP: net.ParseIP("192.168.0.56"),
Port: 51820,
}
testRedirectAs(t, proxy, wgPort, nbAddr, p2pEndpoint)
}
// TestRedirectAs_eBPF_IPv6 tests RedirectAs with eBPF proxy using IPv6 addresses
func TestRedirectAs_eBPF_IPv6(t *testing.T) {
wgPort := 51851
ebpfProxy := ebpf.NewWGEBPFProxy(wgPort, 1280)
if err := ebpfProxy.Listen(); err != nil {
t.Fatalf("failed to initialize ebpf proxy: %v", err)
}
defer func() {
if err := ebpfProxy.Free(); err != nil {
t.Errorf("failed to free ebpf proxy: %v", err)
}
}()
proxy := ebpf.NewProxyWrapper(ebpfProxy)
// NetBird UDP address of the remote peer
nbAddr := &net.UDPAddr{
IP: net.ParseIP("100.108.111.177"),
Port: 38746,
}
p2pEndpoint := &net.UDPAddr{
IP: net.ParseIP("fe80::56"),
Port: 51820,
}
testRedirectAs(t, proxy, wgPort, nbAddr, p2pEndpoint)
}
// TestRedirectAs_Multiple_Switches tests switching between multiple endpoints
func TestRedirectAs_Multiple_Switches(t *testing.T) {
wgPort := 51856

View File

@@ -1,219 +0,0 @@
// Package approval brokers per-attempt user-accept prompts for inbound
// remote access (VNC today, SSH and others in the future). A caller pushes
// a Prompt; the broker emits a SystemEvent on the daemon→UI stream and
// blocks until the UI calls the daemon's RespondApproval RPC, the per-
// request timeout fires, or no subscriber is connected. The latter case
// fails closed so a backgrounded UI cannot silently bypass the gate.
package approval
import (
"context"
"errors"
"fmt"
"sync"
"time"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/proto"
)
// Metadata keys the broker reserves on the emitted SystemEvent. Callers
// should not set these themselves; values in Prompt.Metadata that collide
// are overwritten by the broker.
const (
MetaRequestID = "request_id"
MetaKind = "kind"
MetaExpiresAt = "expires_at"
)
// ShortKeyFingerprint formats a hex-encoded Noise_IK static pubkey as a
// short, eyeball-able fingerprint to display in the approval dialog.
// The dashboard-supplied display name attached to a SessionPubKey isn't
// cryptographically asserted by the connecting client, so the prompt
// must also show something that IS: the key fingerprint, a hash of
// the static public key the client just proved possession of during the
// Noise handshake. Returns the empty string when the input is too short
// to plausibly be a hex pubkey, so the row is omitted rather than
// rendered as a misleading partial.
//
// Output format: 16 hex chars grouped as XXXX-XXXX-XXXX-XXXX (64 bits of
// fingerprint, resistant to random-prefix collisions and easy for a human
// to compare with an out-of-band reference).
func ShortKeyFingerprint(hexKey string) string {
if len(hexKey) < 8 {
return ""
}
src := hexKey
if len(src) > 16 {
src = src[:16]
}
var out []byte
for i, c := range src {
if i > 0 && i%4 == 0 {
out = append(out, '-')
}
out = append(out, byte(c))
}
return string(out)
}
// Kind values for the well-known prompt subjects. New subsystems should
// add a constant here so the UI can dispatch on a known string.
const (
KindVNC = "vnc"
KindSSH = "ssh"
)
// DefaultTimeout is the wall-clock window the user has to accept or deny a
// pending approval before the broker fails closed and returns ErrTimeout.
// Kept well under typical VNC client and dashboard connection timeouts so
// the RFB rejection actually reaches the browser instead of racing the
// browser's own "connection timed out" message.
const DefaultTimeout = 15 * time.Second
// timeoutValue returns the active timeout. It's a var so tests in this
// package can shorten the wait without exposing a setter on the public
// API. Production code always sees DefaultTimeout.
var timeoutValue = func() time.Duration { return DefaultTimeout }
// ErrNoSubscriber indicates no UI is connected to consume the prompt.
// The caller must reject the underlying connection (fail-closed).
var ErrNoSubscriber = errors.New("no UI subscriber connected for approval")
// ErrTimeout indicates the user did not respond within DefaultTimeout.
var ErrTimeout = errors.New("approval timed out")
// ErrDenied indicates the user explicitly denied the connection.
var ErrDenied = errors.New("approval denied")
// EventPublisher is the subset of peer.Status used to emit prompts.
type EventPublisher interface {
PublishEvent(
severity proto.SystemEvent_Severity,
category proto.SystemEvent_Category,
msg string,
userMsg string,
metadata map[string]string,
)
HasEventSubscribers() bool
}
// Prompt describes the pending request shown to the user. Kind selects
// the UI dispatch path (e.g. "vnc", "ssh"). Subject is the human-readable
// one-liner the UI may show as a title or notification body. Metadata is
// passed through verbatim and is the subsystem-specific payload (peer
// name, source IP, mode, etc.).
type Prompt struct {
Kind string
Subject string
Metadata map[string]string
}
// Decision carries the user's response to an approval prompt. ViewOnly is
// only meaningful when Accept is true; it lets the host grant the
// connection but signal the requester that input control is withheld.
type Decision struct {
Accept bool
ViewOnly bool
}
// Broker holds in-flight approval requests keyed by request ID.
type Broker struct {
pub EventPublisher
mu sync.Mutex
pending map[string]chan Decision
}
// New returns a broker that publishes prompts via pub.
func New(pub EventPublisher) *Broker {
return &Broker{
pub: pub,
pending: make(map[string]chan Decision),
}
}
// Request emits a SystemEvent for p and blocks until the UI calls Respond,
// ctx is cancelled, or DefaultTimeout elapses. Returns a Decision when
// the user replied; ErrDenied / ErrTimeout / ErrNoSubscriber / ctx.Err
// otherwise. Callers must treat any non-nil error as a deny.
func (b *Broker) Request(ctx context.Context, p Prompt) (Decision, error) {
var zero Decision
if b == nil || b.pub == nil {
return zero, fmt.Errorf("approval broker not configured")
}
if !b.pub.HasEventSubscribers() {
return zero, ErrNoSubscriber
}
id := uuid.NewString()
resp := make(chan Decision, 1)
b.mu.Lock()
b.pending[id] = resp
b.mu.Unlock()
defer b.dropPending(id)
timeout := timeoutValue()
expiresAt := time.Now().Add(timeout)
meta := make(map[string]string, len(p.Metadata)+3)
for k, v := range p.Metadata {
meta[k] = v
}
meta[MetaRequestID] = id
meta[MetaKind] = p.Kind
meta[MetaExpiresAt] = expiresAt.UTC().Format(time.RFC3339)
subject := p.Subject
if subject == "" {
subject = fmt.Sprintf("%s connection requires approval", p.Kind)
}
b.pub.PublishEvent(proto.SystemEvent_INFO, proto.SystemEvent_APPROVAL, subject, subject, meta)
log.Debugf("approval request %s (%s) emitted: %s", id, p.Kind, subject)
timer := time.NewTimer(timeout)
defer timer.Stop()
select {
case d := <-resp:
if !d.Accept {
return zero, ErrDenied
}
return d, nil
case <-timer.C:
return zero, ErrTimeout
case <-ctx.Done():
return zero, ctx.Err()
}
}
// Respond delivers the user's decision for id. Returns true when a pending
// request matched and was woken, false when id was unknown or already done.
func (b *Broker) Respond(id string, d Decision) bool {
if b == nil {
return false
}
b.mu.Lock()
ch, ok := b.pending[id]
if ok {
delete(b.pending, id)
}
b.mu.Unlock()
if !ok {
return false
}
select {
case ch <- d:
default:
}
return true
}
func (b *Broker) dropPending(id string) {
b.mu.Lock()
delete(b.pending, id)
b.mu.Unlock()
}

View File

@@ -1,434 +0,0 @@
package approval
import (
"context"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/netbirdio/netbird/client/proto"
)
// fakePublisher records published events and reports whether subscribers
// are connected. The subscribers flag is the security-critical signal:
// when false the broker must refuse to emit and the gate must fail closed.
type fakePublisher struct {
mu sync.Mutex
subscribers bool
events []*proto.SystemEvent
}
func (p *fakePublisher) PublishEvent(
severity proto.SystemEvent_Severity,
category proto.SystemEvent_Category,
msg string,
userMsg string,
metadata map[string]string,
) {
p.mu.Lock()
p.events = append(p.events, &proto.SystemEvent{
Severity: severity,
Category: category,
Message: msg,
UserMessage: userMsg,
Metadata: metadata,
})
p.mu.Unlock()
}
func (p *fakePublisher) HasEventSubscribers() bool {
p.mu.Lock()
defer p.mu.Unlock()
return p.subscribers
}
func (p *fakePublisher) lastEvent(t *testing.T) *proto.SystemEvent {
t.Helper()
p.mu.Lock()
defer p.mu.Unlock()
require.NotEmpty(t, p.events, "publisher saw no events")
return p.events[len(p.events)-1]
}
func (p *fakePublisher) eventCount() int {
p.mu.Lock()
defer p.mu.Unlock()
return len(p.events)
}
// TestRequestNoSubscriberFailsClosed is the core fail-closed invariant:
// when the UI is not subscribed, the broker must refuse without emitting
// an event or arming a waiter. A regression here is a silent bypass.
func TestRequestNoSubscriberFailsClosed(t *testing.T) {
pub := &fakePublisher{subscribers: false}
b := New(pub)
_, err := b.Request(context.Background(), Prompt{Kind: KindVNC, Subject: "test"})
assert.ErrorIs(t, err, ErrNoSubscriber)
assert.Equal(t, 0, pub.eventCount(), "no event must be emitted when fail-closed")
b.mu.Lock()
pending := len(b.pending)
b.mu.Unlock()
assert.Equal(t, 0, pending, "no waiter must be registered on fail-closed")
}
// TestRequestTimeoutDenies verifies that a request without a UI response
// returns ErrTimeout (deny) rather than nil (silent accept). Uses a short
// per-test broker timeout via Respond after the fact to keep the test fast.
func TestRequestTimeoutDenies(t *testing.T) {
// Replace DefaultTimeout for the lifetime of this test.
orig := DefaultTimeout
defaultTimeout(t, 60*time.Millisecond)
defer defaultTimeout(t, orig)
pub := &fakePublisher{subscribers: true}
b := New(pub)
start := time.Now()
_, err := b.Request(context.Background(), Prompt{Kind: KindVNC, Subject: "test"})
assert.ErrorIs(t, err, ErrTimeout, "missing user response must yield ErrTimeout, not nil")
assert.GreaterOrEqual(t, time.Since(start), 50*time.Millisecond, "timeout fired prematurely")
}
// TestRequestDenied returns ErrDenied when the UI responds with false.
func TestRequestDenied(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
var requestID string
done := make(chan error, 1)
go func() {
done <- requestErr(b, context.Background(), Prompt{Kind: KindVNC, Subject: "test"})
}()
requestID = waitForRequestID(t, pub)
require.True(t, b.Respond(requestID, Decision{Accept: false}))
select {
case err := <-done:
assert.ErrorIs(t, err, ErrDenied)
case <-time.After(time.Second):
t.Fatal("Request did not return after Respond(false)")
}
}
// TestRequestAccepted is the happy path. Failure here doesn't bypass the
// gate but breaks the feature.
func TestRequestAccepted(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
done := make(chan error, 1)
go func() {
done <- requestErr(b, context.Background(), Prompt{Kind: KindVNC, Subject: "test"})
}()
id := waitForRequestID(t, pub)
require.True(t, b.Respond(id, Decision{Accept: true}))
select {
case err := <-done:
assert.NoError(t, err)
case <-time.After(time.Second):
t.Fatal("Request did not return after Respond(true)")
}
}
// TestRequestCtxCancelDenies verifies that an upstream cancel (e.g. the
// engine shutting down mid-prompt) returns the cancel error rather than
// nil. A nil here would be a silent bypass on shutdown races.
func TestRequestCtxCancelDenies(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
ctx, cancel := context.WithCancel(context.Background())
done := make(chan error, 1)
go func() {
done <- requestErr(b, ctx, Prompt{Kind: KindVNC, Subject: "test"})
}()
// Wait until the prompt is in flight so cancel races a live waiter.
_ = waitForRequestID(t, pub)
cancel()
select {
case err := <-done:
assert.ErrorIs(t, err, context.Canceled)
case <-time.After(time.Second):
t.Fatal("Request did not return after ctx cancel")
}
}
// TestRespondUnknownIsNoop ensures a stray RespondApproval RPC cannot
// affect or accidentally accept any in-flight request whose id it doesn't
// match. Also confirms it doesn't panic.
func TestRespondUnknownIsNoop(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
// No in-flight prompts: Respond returns false.
assert.False(t, b.Respond("does-not-exist", Decision{Accept: true}))
// With an in-flight prompt, a wrong id still returns false and the
// prompt remains armed (eventually timing out as a deny).
defaultTimeout(t, 60*time.Millisecond)
defer defaultTimeout(t, DefaultTimeout)
done := make(chan error, 1)
go func() {
done <- requestErr(b, context.Background(), Prompt{Kind: KindVNC})
}()
realID := waitForRequestID(t, pub)
assert.False(t, b.Respond("totally-bogus", Decision{Accept: true}), "unknown id must not match")
assert.NotEqual(t, "totally-bogus", realID)
select {
case err := <-done:
assert.ErrorIs(t, err, ErrTimeout, "armed prompt must still time out, not accept")
case <-time.After(time.Second):
t.Fatal("prompt did not resolve")
}
}
// TestRespondAfterTimeoutNoop confirms a late accept response can't
// retroactively flip a denied (timed-out) request. The dropPending defer
// in Request must have removed the entry by the time Respond races in.
func TestRespondAfterTimeoutNoop(t *testing.T) {
defaultTimeout(t, 30*time.Millisecond)
defer defaultTimeout(t, DefaultTimeout)
pub := &fakePublisher{subscribers: true}
b := New(pub)
done := make(chan error, 1)
go func() {
done <- requestErr(b, context.Background(), Prompt{Kind: KindVNC})
}()
id := waitForRequestID(t, pub)
select {
case err := <-done:
require.ErrorIs(t, err, ErrTimeout)
case <-time.After(time.Second):
t.Fatal("prompt did not time out")
}
assert.False(t, b.Respond(id, Decision{Accept: true}), "late respond must be no-op")
}
// TestRespondDoubleNoop ensures a duplicate ack from the UI doesn't leak
// past the matched waiter or panic on a closed/full channel.
func TestRespondDoubleNoop(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
done := make(chan error, 1)
go func() {
done <- requestErr(b, context.Background(), Prompt{Kind: KindVNC})
}()
id := waitForRequestID(t, pub)
require.True(t, b.Respond(id, Decision{Accept: true}))
assert.False(t, b.Respond(id, Decision{Accept: false}), "second response must be no-op")
select {
case err := <-done:
assert.NoError(t, err)
case <-time.After(time.Second):
t.Fatal("prompt did not resolve")
}
}
// TestNilBrokerRequestErrors guards the engine pre-init path where the
// broker may not yet exist (or its publisher is nil): Request must
// error, never silently accept.
func TestNilBrokerRequestErrors(t *testing.T) {
var b *Broker
_, err := b.Request(context.Background(), Prompt{Kind: KindVNC})
assert.Error(t, err, "nil broker must error, never silently accept")
b2 := New(nil)
_, err = b2.Request(context.Background(), Prompt{Kind: KindVNC})
assert.Error(t, err, "broker with nil publisher must error, never silently accept")
}
// TestPromptMetadataInjected confirms the broker stamps request_id, kind,
// and expires_at on the emitted event. The UI relies on these keys; if
// they are dropped, the user cannot route the prompt and the response
// path breaks (which fails closed via timeout).
func TestPromptMetadataInjected(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
done := make(chan error, 1)
go func() {
done <- requestErr(b, context.Background(), Prompt{
Kind: KindVNC,
Subject: "VNC connection from peerA",
Metadata: map[string]string{"peer_name": "peerA"},
})
}()
id := waitForRequestID(t, pub)
ev := pub.lastEvent(t)
assert.Equal(t, proto.SystemEvent_APPROVAL, ev.Category)
assert.Equal(t, KindVNC, ev.Metadata[MetaKind])
assert.Equal(t, id, ev.Metadata[MetaRequestID])
assert.NotEmpty(t, ev.Metadata[MetaExpiresAt])
assert.Equal(t, "peerA", ev.Metadata["peer_name"], "caller metadata must pass through")
require.True(t, b.Respond(id, Decision{Accept: true}))
<-done
}
// TestConcurrentRequests verifies that two concurrent prompts are tracked
// independently. A bug that aliases ids would let one Respond unblock
// the wrong waiter (a silent accept across prompts).
func TestConcurrentRequests(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
const n = 20
results := make(chan error, n)
for i := 0; i < n; i++ {
go func() {
results <- requestErr(b, context.Background(), Prompt{Kind: KindVNC})
}()
}
ids := waitForNRequestIDs(t, pub, n)
require.Len(t, ids, n)
// Deny exactly half, accept the rest. Track outcome per id so we can
// match each Request's return value against the response we sent.
denySet := make(map[string]bool, n)
for i, id := range ids {
deny := i%2 == 0
denySet[id] = deny
require.True(t, b.Respond(id, Decision{Accept: !deny}))
}
// Collect all returns and check no nil errors slipped past a deny.
var accepted, denied atomic.Int32
for i := 0; i < n; i++ {
select {
case err := <-results:
if err == nil {
accepted.Add(1)
} else {
assert.ErrorIs(t, err, ErrDenied)
denied.Add(1)
}
case <-time.After(2 * time.Second):
t.Fatalf("only got %d/%d responses", i, n)
}
}
assert.Equal(t, int32(n/2), denied.Load())
assert.Equal(t, int32(n/2), accepted.Load())
}
// waitForRequestID blocks until the publisher sees its next event and
// returns the request_id stamped on it.
func waitForRequestID(t *testing.T, pub *fakePublisher) string {
t.Helper()
deadline := time.Now().Add(2 * time.Second)
for time.Now().Before(deadline) {
pub.mu.Lock()
count := len(pub.events)
var id string
if count > 0 {
id = pub.events[count-1].Metadata[MetaRequestID]
}
pub.mu.Unlock()
if id != "" {
return id
}
time.Sleep(2 * time.Millisecond)
}
t.Fatal("timeout waiting for emitted event")
return ""
}
func waitForNRequestIDs(t *testing.T, pub *fakePublisher, n int) []string {
t.Helper()
deadline := time.Now().Add(2 * time.Second)
for time.Now().Before(deadline) {
pub.mu.Lock()
count := len(pub.events)
pub.mu.Unlock()
if count >= n {
break
}
time.Sleep(2 * time.Millisecond)
}
pub.mu.Lock()
defer pub.mu.Unlock()
out := make([]string, 0, len(pub.events))
seen := make(map[string]struct{}, len(pub.events))
for _, ev := range pub.events {
id := ev.Metadata[MetaRequestID]
if id == "" {
continue
}
if _, dup := seen[id]; dup {
continue
}
seen[id] = struct{}{}
out = append(out, id)
}
if len(out) < n {
t.Fatalf("only got %d/%d request ids", len(out), n)
}
return out
}
// defaultTimeout swaps the broker's per-request wall-clock window so the
// timeout tests run quickly. Restores the prior value on the next call.
func defaultTimeout(t *testing.T, d time.Duration) {
t.Helper()
if d <= 0 {
t.Fatal("defaultTimeout must be > 0")
}
timeoutValue = func() time.Duration { return d }
}
// requestErr wraps Broker.Request to drop the Decision when tests only
// care about the error path. Keeps the goroutine bodies tight.
func requestErr(b *Broker, ctx context.Context, p Prompt) error {
_, err := b.Request(ctx, p)
return err
}
// TestRequestViewOnly checks the view-only outcome flows through Request's
// Decision return without being silently swallowed.
func TestRequestViewOnly(t *testing.T) {
pub := &fakePublisher{subscribers: true}
b := New(pub)
type result struct {
d Decision
err error
}
done := make(chan result, 1)
go func() {
d, err := b.Request(context.Background(), Prompt{Kind: KindVNC})
done <- result{d, err}
}()
id := waitForRequestID(t, pub)
require.True(t, b.Respond(id, Decision{Accept: true, ViewOnly: true}))
select {
case r := <-done:
assert.NoError(t, r.err)
assert.True(t, r.d.Accept)
assert.True(t, r.d.ViewOnly, "ViewOnly must survive the round-trip")
case <-time.After(time.Second):
t.Fatal("view-only request did not resolve")
}
}

View File

@@ -1,62 +0,0 @@
package approval
import "testing"
// TestShortKeyFingerprint locks in the format the VNC approval prompt
// shows to the user. The fingerprint is the user's only cryptographic
// anchor against a malicious management server that pushes a spoofed
// display name, so accidental changes to its format would silently
// undermine that defence.
func TestShortKeyFingerprint(t *testing.T) {
cases := []struct {
name string
in string
want string
}{
{
name: "full_32_byte_pubkey",
in: "0123456789abcdeffedcba9876543210ffeeddccbbaa99887766554433221100",
want: "0123-4567-89ab-cdef",
},
{
name: "exactly_16_chars",
in: "0123456789abcdef",
want: "0123-4567-89ab-cdef",
},
{
name: "borderline_8_chars",
in: "01234567",
want: "0123-4567",
},
{
name: "too_short_returns_empty",
in: "0123",
want: "",
},
{
name: "empty_returns_empty",
in: "",
want: "",
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
got := ShortKeyFingerprint(tc.in)
if got != tc.want {
t.Fatalf("ShortKeyFingerprint(%q) = %q, want %q", tc.in, got, tc.want)
}
})
}
}
// TestShortKeyFingerprint_DistinctKeysDistinctOutputs guards against a
// formatting bug that would collapse different prefixes onto the same
// displayed fingerprint and let an attacker substitute their pubkey for
// a victim's while keeping the prompt visually identical.
func TestShortKeyFingerprint_DistinctKeysDistinctOutputs(t *testing.T) {
a := ShortKeyFingerprint("0123456789abcdef" + "rest_of_pubkey_ignored")
b := ShortKeyFingerprint("0123456789abcde0" + "rest_of_pubkey_ignored")
if a == b {
t.Fatalf("expected distinct outputs for distinct prefixes, both = %q", a)
}
}

View File

@@ -315,7 +315,6 @@ func (a *Auth) setSystemInfoFlags(info *system.Info) {
a.config.RosenpassEnabled,
a.config.RosenpassPermissive,
a.config.ServerSSHAllowed,
a.config.ServerVNCAllowed,
a.config.DisableClientRoutes,
a.config.DisableServerRoutes,
a.config.DisableDNS,

View File

@@ -581,8 +581,6 @@ func createEngineConfig(key wgtypes.Key, config *profilemanager.Config, peerConf
RosenpassEnabled: config.RosenpassEnabled,
RosenpassPermissive: config.RosenpassPermissive,
ServerSSHAllowed: util.ReturnBoolWithDefaultTrue(config.ServerSSHAllowed),
ServerVNCAllowed: config.ServerVNCAllowed != nil && *config.ServerVNCAllowed,
DisableVNCApproval: config.DisableVNCApproval,
EnableSSHRoot: config.EnableSSHRoot,
EnableSSHSFTP: config.EnableSSHSFTP,
EnableSSHLocalPortForwarding: config.EnableSSHLocalPortForwarding,
@@ -665,7 +663,6 @@ func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte,
config.RosenpassEnabled,
config.RosenpassPermissive,
config.ServerSSHAllowed,
config.ServerVNCAllowed,
config.DisableClientRoutes,
config.DisableServerRoutes,
config.DisableDNS,

View File

@@ -655,12 +655,6 @@ func (g *BundleGenerator) addCommonConfigFields(configContent *strings.Builder)
if g.internalConfig.SSHJWTCacheTTL != nil {
configContent.WriteString(fmt.Sprintf("SSHJWTCacheTTL: %d\n", *g.internalConfig.SSHJWTCacheTTL))
}
if g.internalConfig.ServerVNCAllowed != nil {
configContent.WriteString(fmt.Sprintf("ServerVNCAllowed: %v\n", *g.internalConfig.ServerVNCAllowed))
}
if g.internalConfig.DisableVNCApproval != nil {
configContent.WriteString(fmt.Sprintf("DisableVNCApproval: %v\n", *g.internalConfig.DisableVNCApproval))
}
configContent.WriteString(fmt.Sprintf("DisableClientRoutes: %v\n", g.internalConfig.DisableClientRoutes))
configContent.WriteString(fmt.Sprintf("DisableServerRoutes: %v\n", g.internalConfig.DisableServerRoutes))

View File

@@ -864,8 +864,6 @@ func TestAddConfig_AllFieldsCovered(t *testing.T) {
RosenpassEnabled: true,
RosenpassPermissive: true,
ServerSSHAllowed: &bTrue,
ServerVNCAllowed: &bTrue,
DisableVNCApproval: &bTrue,
EnableSSHRoot: &bTrue,
EnableSSHSFTP: &bTrue,
EnableSSHLocalPortForwarding: &bTrue,

View File

@@ -51,20 +51,13 @@ type cachedRecord struct {
}
// Resolver caches critical NetBird infrastructure domains.
// records, refreshing, failedResolves, mgmtDomain and serverDomains are all
// guarded by mutex.
// records, refreshing, mgmtDomain and serverDomains are all guarded by mutex.
type Resolver struct {
records map[dns.Question]*cachedRecord
mgmtDomain *domain.Domain
serverDomains *dnsconfig.ServerDomains
mutex sync.RWMutex
// failedResolves records the last failed initial resolve per domain so a
// domain that never resolves isn't retried on every server-domains update
// until refreshBackoff elapses. Entries are cleared on success and pruned
// to the current server-domains set.
failedResolves map[domain.Domain]time.Time
chain ChainResolver
chainMaxPriority int
refreshGroup singleflight.Group
@@ -83,10 +76,9 @@ type Resolver struct {
// NewResolver creates a new management domains cache resolver.
func NewResolver() *Resolver {
return &Resolver{
records: make(map[dns.Question]*cachedRecord),
refreshing: make(map[dns.Question]*atomic.Bool),
failedResolves: make(map[domain.Domain]time.Time),
cacheTTL: resolveCacheTTL(),
records: make(map[dns.Question]*cachedRecord),
refreshing: make(map[dns.Question]*atomic.Bool),
cacheTTL: resolveCacheTTL(),
}
}
@@ -181,9 +173,7 @@ func (m *Resolver) continueToNext(w dns.ResponseWriter, r *dns.Msg) {
// AddDomain resolves a domain and stores its A/AAAA records in the cache.
// A family that resolves NODATA (nil err, zero records) evicts any stale
// entry for that qtype. When one family hard-errors while the other succeeds,
// the resolved family is still cached but AddDomain returns an error so the
// caller retries the incomplete resolve rather than treating it as complete.
// entry for that qtype.
func (m *Resolver) AddDomain(ctx context.Context, d domain.Domain) error {
dnsName := strings.ToLower(dns.Fqdn(d.PunycodeString()))
@@ -213,10 +203,6 @@ func (m *Resolver) AddDomain(ctx context.Context, d domain.Domain) error {
log.Debugf("added/updated domain=%s with %d A records and %d AAAA records",
d.SafeString(), len(aRecords), len(aaaaRecords))
if errA != nil || errAAAA != nil {
return fmt.Errorf("resolve %s: incomplete, a family failed: %w", d.SafeString(), errors.Join(errA, errAAAA))
}
return nil
}
@@ -476,7 +462,6 @@ func (m *Resolver) RemoveDomain(d domain.Domain) error {
delete(m.records, qAAAA)
delete(m.refreshing, qA)
delete(m.refreshing, qAAAA)
delete(m.failedResolves, d)
log.Debugf("removed domain=%s from cache", d.SafeString())
return nil
@@ -520,7 +505,6 @@ func (m *Resolver) UpdateFromServerDomains(ctx context.Context, serverDomains dn
allDomains := m.extractDomainsFromServerDomains(updatedServerDomains)
currentDomains := m.GetCachedDomains()
removedDomains = m.removeStaleDomains(currentDomains, allDomains)
m.pruneFailedResolves(allDomains)
}
m.addNewDomains(ctx, newDomains)
@@ -593,85 +577,13 @@ func (m *Resolver) isManagementDomain(domain domain.Domain) bool {
return m.mgmtDomain != nil && domain == *m.mgmtDomain
}
// addNewDomains resolves and caches domains that are not yet in the cache,
// running the lookups concurrently. Domains already cached are skipped and left
// to the stale-while-revalidate refresh path, so a sync never re-resolves them
// synchronously: once NetBird owns the OS resolver the resolve runs through the
// handler chain and would otherwise dial the managed upstreams under the engine
// sync lock on every update.
// addNewDomains resolves and caches all domains from the update
func (m *Resolver) addNewDomains(ctx context.Context, newDomains domain.List) {
var wg sync.WaitGroup
seen := make(map[domain.Domain]struct{}, len(newDomains))
for _, newDomain := range newDomains {
if _, dup := seen[newDomain]; dup {
continue
}
seen[newDomain] = struct{}{}
if !m.needsResolve(newDomain) {
continue
}
wg.Add(1)
go func(d domain.Domain) {
defer wg.Done()
if err := m.AddDomain(ctx, d); err != nil {
m.markResolveFailed(d)
log.Warnf("failed to add/update domain=%s: %v", d.SafeString(), err)
return
}
m.clearResolveFailed(d)
log.Debugf("added/updated management cache domain=%s", d.SafeString())
}(newDomain)
}
wg.Wait()
}
// needsResolve reports whether d should be resolved now. A recent failed or
// incomplete resolve gates retries on the backoff even when one family is
// already cached, so a transiently-failed family is retried instead of being
// treated as fully resolved. Otherwise a domain with any cached record is left
// to the stale-while-revalidate refresh path.
func (m *Resolver) needsResolve(d domain.Domain) bool {
dnsName := strings.ToLower(dns.Fqdn(d.PunycodeString()))
m.mutex.RLock()
defer m.mutex.RUnlock()
if failedAt, ok := m.failedResolves[d]; ok {
return time.Since(failedAt) >= refreshBackoff
}
for _, qtype := range []uint16{dns.TypeA, dns.TypeAAAA} {
q := dns.Question{Name: dnsName, Qtype: qtype, Qclass: dns.ClassINET}
if _, ok := m.records[q]; ok {
return false
}
}
return true
}
func (m *Resolver) markResolveFailed(d domain.Domain) {
m.mutex.Lock()
m.failedResolves[d] = time.Now()
m.mutex.Unlock()
}
func (m *Resolver) clearResolveFailed(d domain.Domain) {
m.mutex.Lock()
delete(m.failedResolves, d)
m.mutex.Unlock()
}
// pruneFailedResolves drops failure markers for domains no longer present in
// the server-domains set, keeping the map bounded to the current set (a
// failed-only domain has no cached record, so RemoveDomain never sees it).
func (m *Resolver) pruneFailedResolves(domains domain.List) {
m.mutex.Lock()
defer m.mutex.Unlock()
for d := range m.failedResolves {
if !slices.Contains(domains, d) {
delete(m.failedResolves, d)
if err := m.AddDomain(ctx, newDomain); err != nil {
log.Warnf("failed to add/update domain=%s: %v", newDomain.SafeString(), err)
} else {
log.Debugf("added/updated management cache domain=%s", newDomain.SafeString())
}
}
}

View File

@@ -21,7 +21,6 @@ type fakeChain struct {
mu sync.Mutex
calls map[string]int
answers map[string][]dns.RR
qErr map[string]error
err error
hasRoot bool
onLookup func()
@@ -31,7 +30,6 @@ func newFakeChain() *fakeChain {
return &fakeChain{
calls: map[string]int{},
answers: map[string][]dns.RR{},
qErr: map[string]error{},
hasRoot: true,
}
}
@@ -49,9 +47,6 @@ func (f *fakeChain) ResolveInternal(ctx context.Context, msg *dns.Msg, maxPriori
f.calls[key]++
answers := f.answers[key]
err := f.err
if err == nil {
err = f.qErr[key]
}
onLookup := f.onLookup
f.mu.Unlock()
@@ -80,12 +75,6 @@ func (f *fakeChain) setAnswer(name string, qtype uint16, ip string) {
}
}
func (f *fakeChain) setErr(name string, qtype uint16, err error) {
f.mu.Lock()
defer f.mu.Unlock()
f.qErr[name+"|"+dns.TypeToString[qtype]] = err
}
func (f *fakeChain) callCount(name string, qtype uint16) int {
f.mu.Lock()
defer f.mu.Unlock()

View File

@@ -1,183 +0,0 @@
package mgmt
import (
"context"
"errors"
"sync/atomic"
"testing"
"time"
"github.com/miekg/dns"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
dnsconfig "github.com/netbirdio/netbird/client/internal/dns/config"
"github.com/netbirdio/netbird/shared/management/domain"
)
// A domain already in the cache must not be re-resolved on a subsequent server
// domains update; it is left to the stale-while-revalidate refresh path.
func TestResolver_UpdateFromServerDomains_SkipsCached(t *testing.T) {
r := NewResolver()
chain := newFakeChain()
chain.setAnswer("signal.example.com.", dns.TypeA, "10.0.0.2")
r.SetChainResolver(chain, 50)
sd := dnsconfig.ServerDomains{Signal: domain.Domain("signal.example.com")}
_, err := r.UpdateFromServerDomains(context.Background(), sd)
require.NoError(t, err)
require.Equal(t, 1, chain.callCount("signal.example.com.", dns.TypeA),
"first update must resolve the domain")
_, err = r.UpdateFromServerDomains(context.Background(), sd)
require.NoError(t, err)
assert.Equal(t, 1, chain.callCount("signal.example.com.", dns.TypeA),
"cached domain must not be re-resolved on a subsequent update")
}
// New domains in a single update must resolve concurrently rather than serially.
func TestResolver_AddNewDomains_ResolvesConcurrently(t *testing.T) {
r := NewResolver()
chain := newFakeChain()
var inflight, maxInflight atomic.Int32
chain.onLookup = func() {
n := inflight.Add(1)
for {
old := maxInflight.Load()
if n <= old || maxInflight.CompareAndSwap(old, n) {
break
}
}
time.Sleep(50 * time.Millisecond)
inflight.Add(-1)
}
relays := []domain.Domain{"a.example.com", "b.example.com", "c.example.com", "d.example.com"}
for _, d := range relays {
chain.setAnswer(dns.Fqdn(string(d)), dns.TypeA, "10.0.0.2")
}
r.SetChainResolver(chain, 50)
start := time.Now()
_, err := r.UpdateFromServerDomains(context.Background(), dnsconfig.ServerDomains{Relay: relays})
require.NoError(t, err)
elapsed := time.Since(start)
assert.GreaterOrEqual(t, int(maxInflight.Load()), 2, "domains must resolve concurrently")
// Serial resolution of 4 domains would take at least 4*50ms; concurrent is far less.
assert.Less(t, elapsed, 300*time.Millisecond, "resolution should not be serial")
}
// A domain that fails to resolve must not be retried on every update; the
// failure backoff suppresses re-resolution until it expires.
func TestResolver_UpdateFromServerDomains_BacksOffFailures(t *testing.T) {
r := NewResolver()
chain := newFakeChain()
chain.err = errors.New("resolve boom")
r.SetChainResolver(chain, 50)
sd := dnsconfig.ServerDomains{Signal: domain.Domain("signal.example.com")}
_, err := r.UpdateFromServerDomains(context.Background(), sd)
require.NoError(t, err)
require.Equal(t, 1, chain.callCount("signal.example.com.", dns.TypeA),
"first update must attempt the resolve")
_, err = r.UpdateFromServerDomains(context.Background(), sd)
require.NoError(t, err)
assert.Equal(t, 1, chain.callCount("signal.example.com.", dns.TypeA),
"failed resolve must back off and not retry on the next update")
}
// A domain listed under more than one server-domain type (e.g. STUN and TURN on
// the same host) must be resolved once per update, not once per occurrence.
func TestResolver_AddNewDomains_DedupesDuplicateDomains(t *testing.T) {
r := NewResolver()
chain := newFakeChain()
chain.setAnswer("dup.example.com.", dns.TypeA, "10.0.0.9")
r.SetChainResolver(chain, 50)
sd := dnsconfig.ServerDomains{
Stuns: []domain.Domain{"dup.example.com"},
Turns: []domain.Domain{"dup.example.com"},
}
_, err := r.UpdateFromServerDomains(context.Background(), sd)
require.NoError(t, err)
assert.Equal(t, 1, chain.callCount("dup.example.com.", dns.TypeA),
"a domain appearing under multiple server-domain types must resolve once")
}
// A failure marker must be dropped once its domain leaves the server-domains set
// so the map stays bounded to the current set.
func TestResolver_UpdateFromServerDomains_PrunesFailedResolves(t *testing.T) {
r := NewResolver()
chain := newFakeChain()
chain.err = errors.New("resolve boom")
r.SetChainResolver(chain, 50)
_, err := r.UpdateFromServerDomains(context.Background(), dnsconfig.ServerDomains{Signal: domain.Domain("gone.example.com")})
require.NoError(t, err)
r.mutex.RLock()
_, marked := r.failedResolves[domain.Domain("gone.example.com")]
r.mutex.RUnlock()
require.True(t, marked, "failed resolve must be recorded")
_, err = r.UpdateFromServerDomains(context.Background(), dnsconfig.ServerDomains{Signal: domain.Domain("other.example.com")})
require.NoError(t, err)
r.mutex.RLock()
_, stillMarked := r.failedResolves[domain.Domain("gone.example.com")]
r.mutex.RUnlock()
assert.False(t, stillMarked, "failure marker for a domain no longer in the set must be pruned")
}
// When one family hard-errors while the other resolves, the domain is cached
// for the working family but recorded as incomplete so the failed family is
// retried under backoff instead of being treated as fully resolved forever.
func TestResolver_AddNewDomains_RetriesPartialFamilyFailure(t *testing.T) {
d := domain.Domain("relay.example.com")
r := NewResolver()
chain := newFakeChain()
chain.setAnswer("relay.example.com.", dns.TypeA, "10.0.0.2")
chain.setErr("relay.example.com.", dns.TypeAAAA, errors.New("servfail"))
r.SetChainResolver(chain, 50)
_, err := r.UpdateFromServerDomains(context.Background(), dnsconfig.ServerDomains{Relay: []domain.Domain{d}})
require.NoError(t, err)
r.mutex.RLock()
_, aCached := r.records[dns.Question{Name: "relay.example.com.", Qtype: dns.TypeA, Qclass: dns.ClassINET}]
_, marked := r.failedResolves[d]
r.mutex.RUnlock()
require.True(t, aCached, "the working family must still be cached")
require.True(t, marked, "a partial failure must be recorded so the failed family is retried")
assert.False(t, r.needsResolve(d), "within the backoff window the domain is not retried")
r.mutex.Lock()
r.failedResolves[d] = time.Now().Add(-2 * refreshBackoff)
r.mutex.Unlock()
assert.True(t, r.needsResolve(d), "after the backoff elapses the domain is retried to pick up the missing family")
}
// A family that returns NODATA (legitimately absent, e.g. an IPv4-only host) is
// not a failure: the domain must not be marked for retry, otherwise it would be
// re-resolved on every sync.
func TestResolver_AddNewDomains_NodataIsNotFailure(t *testing.T) {
d := domain.Domain("v4only.example.com")
r := NewResolver()
chain := newFakeChain()
chain.setAnswer("v4only.example.com.", dns.TypeA, "10.0.0.2")
r.SetChainResolver(chain, 50)
_, err := r.UpdateFromServerDomains(context.Background(), dnsconfig.ServerDomains{Relay: []domain.Domain{d}})
require.NoError(t, err)
r.mutex.RLock()
_, marked := r.failedResolves[d]
r.mutex.RUnlock()
assert.False(t, marked, "a NODATA family must not be recorded as a failure")
assert.False(t, r.needsResolve(d), "an IPv4-only host must not be re-resolved on later syncs")
}

View File

@@ -1,485 +0,0 @@
//go:build privileged
package dns
import (
"context"
"fmt"
"net/netip"
"os"
"testing"
"github.com/golang/mock/gomock"
"github.com/miekg/dns"
"github.com/stretchr/testify/assert"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"github.com/netbirdio/netbird/client/iface"
pfmock "github.com/netbirdio/netbird/client/iface/mocks"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/internal/dns/local"
"github.com/netbirdio/netbird/client/internal/dns/test"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/stdnet"
nbdns "github.com/netbirdio/netbird/dns"
)
func TestUpdateDNSServer(t *testing.T) {
nameServers := []nbdns.NameServer{
{
IP: netip.MustParseAddr("8.8.8.8"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
{
IP: netip.MustParseAddr("8.8.4.4"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
}
testCases := []struct {
name string
initUpstreamMap []handlerWrapper
initLocalZones []nbdns.CustomZone
initSerial uint64
inputSerial uint64
inputUpdate nbdns.Config
shouldFail bool
expectedUpstreamMap []handlerWrapper
expectedLocalQs []dns.Question
}{
{
name: "Initial Config Should Succeed",
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
Domains: []string{"netbird.io"},
NameServers: nameServers,
},
{
NameServers: nameServers,
Primary: true,
},
},
},
expectedUpstreamMap: []handlerWrapper{
{
domain: "netbird.io",
priority: PriorityUpstream,
},
{
domain: "netbird.cloud",
priority: PriorityLocal,
},
{
domain: nbdns.RootZone,
priority: PriorityDefault,
},
},
expectedLocalQs: []dns.Question{{Name: "peera.netbird.cloud.", Qtype: dns.TypeA, Qclass: dns.ClassINET}},
},
{
name: "New Config Should Succeed",
initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: 1, Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
initUpstreamMap: []handlerWrapper{
{
domain: "netbird.cloud",
handler: &mockHandler{},
priority: PriorityUpstream,
},
},
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
Domains: []string{"netbird.io"},
NameServers: nameServers,
},
},
},
expectedUpstreamMap: []handlerWrapper{
{
domain: "netbird.io",
priority: PriorityUpstream,
},
{
domain: "netbird.cloud",
priority: PriorityLocal,
},
},
expectedLocalQs: []dns.Question{{Name: zoneRecords[0].Name, Qtype: 1, Qclass: 1}},
},
{
name: "Smaller Config Serial Should Be Skipped",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 2,
inputSerial: 1,
shouldFail: true,
},
{
name: "Empty NS Group Domain Or Not Primary Element Should Fail",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
NameServers: nameServers,
},
},
},
shouldFail: true,
},
{
name: "Invalid NS Group Nameservers list Should Fail",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
NameServers: nameServers,
},
},
},
shouldFail: true,
},
{
name: "Invalid Custom Zone Records list Should Skip",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
NameServers: nameServers,
Primary: true,
},
},
},
expectedUpstreamMap: []handlerWrapper{{
domain: ".",
priority: PriorityDefault,
}},
},
{
name: "Empty Config Should Succeed and Clean Maps",
initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
initUpstreamMap: []handlerWrapper{
{
domain: zoneRecords[0].Name,
handler: &mockHandler{},
priority: PriorityUpstream,
},
},
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{ServiceEnable: true},
expectedUpstreamMap: nil,
expectedLocalQs: []dns.Question{},
},
{
name: "Disabled Service Should clean map",
initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
initUpstreamMap: []handlerWrapper{
{
domain: zoneRecords[0].Name,
handler: &mockHandler{},
priority: PriorityUpstream,
},
},
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{ServiceEnable: false},
expectedUpstreamMap: nil,
expectedLocalQs: []dns.Question{},
},
}
for n, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
privKey, _ := wgtypes.GenerateKey()
newNet, err := stdnet.NewNet(context.Background(), nil)
if err != nil {
t.Fatal(err)
}
opts := iface.WGIFaceOpts{
IFaceName: fmt.Sprintf("utun230%d", n),
Address: wgaddr.MustParseWGAddress(fmt.Sprintf("100.66.100.%d/32", n+1)),
WGPort: 33100,
WGPrivKey: privKey.String(),
MTU: iface.DefaultMTU,
TransportNet: newNet,
}
wgIface, err := iface.NewWGIFace(opts)
if err != nil {
t.Fatal(err)
}
err = wgIface.Create()
if err != nil {
t.Fatal(err)
}
defer func() {
err = wgIface.Close()
if err != nil {
t.Log(err)
}
}()
dnsServer, err := NewDefaultServer(context.Background(), DefaultServerConfig{
WgInterface: wgIface,
CustomAddress: "",
StatusRecorder: peer.NewRecorder("mgm"),
StateManager: nil,
DisableSys: false,
})
if err != nil {
t.Fatal(err)
}
err = dnsServer.Initialize()
if err != nil {
t.Fatal(err)
}
defer func() {
err = dnsServer.hostManager.restoreHostDNS()
if err != nil {
t.Log(err)
}
}()
dnsServer.dnsMuxHandlers = testCase.initUpstreamMap
dnsServer.localResolver.Update(testCase.initLocalZones)
dnsServer.updateSerial = testCase.initSerial
err = dnsServer.UpdateDNSServer(testCase.inputSerial, testCase.inputUpdate)
if err != nil {
if testCase.shouldFail {
return
}
t.Fatalf("update dns server should not fail, got error: %v", err)
}
if len(dnsServer.dnsMuxHandlers) != len(testCase.expectedUpstreamMap) {
t.Fatalf("update upstream failed, map size is different than expected, want %d, got %d", len(testCase.expectedUpstreamMap), len(dnsServer.dnsMuxHandlers))
}
for _, expected := range testCase.expectedUpstreamMap {
found := false
for _, got := range dnsServer.dnsMuxHandlers {
if got.domain == expected.domain && got.priority == expected.priority {
found = true
break
}
}
if !found {
t.Fatalf("update upstream failed, handler for domain=%s priority=%d not found in dnsMuxHandlers: %#v", expected.domain, expected.priority, dnsServer.dnsMuxHandlers)
}
}
var responseMSG *dns.Msg
responseWriter := &test.MockResponseWriter{
WriteMsgFunc: func(m *dns.Msg) error {
responseMSG = m
return nil
},
}
for _, q := range testCase.expectedLocalQs {
dnsServer.localResolver.ServeDNS(responseWriter, &dns.Msg{
Question: []dns.Question{q},
})
}
if len(testCase.expectedLocalQs) > 0 {
assert.NotNil(t, responseMSG, "response message should not be nil")
assert.Equal(t, dns.RcodeSuccess, responseMSG.Rcode, "response code should be success")
assert.NotEmpty(t, responseMSG.Answer, "response message should have answers")
}
})
}
}
func TestDNSFakeResolverHandleUpdates(t *testing.T) {
ov := os.Getenv("NB_WG_KERNEL_DISABLED")
defer t.Setenv("NB_WG_KERNEL_DISABLED", ov)
t.Setenv("NB_WG_KERNEL_DISABLED", "true")
newNet, err := stdnet.NewNet(context.Background(), []string{"utun2301"})
if err != nil {
t.Errorf("create stdnet: %v", err)
return
}
privKey, _ := wgtypes.GeneratePrivateKey()
opts := iface.WGIFaceOpts{
IFaceName: "utun2301",
Address: wgaddr.MustParseWGAddress("100.66.100.1/32"),
WGPort: 33100,
WGPrivKey: privKey.String(),
MTU: iface.DefaultMTU,
TransportNet: newNet,
}
wgIface, err := iface.NewWGIFace(opts)
if err != nil {
t.Errorf("build interface wireguard: %v", err)
return
}
err = wgIface.Create()
if err != nil {
t.Errorf("create and init wireguard interface: %v", err)
return
}
defer func() {
if err = wgIface.Close(); err != nil {
t.Logf("close wireguard interface: %v", err)
}
}()
ctrl := gomock.NewController(t)
defer ctrl.Finish()
packetfilter := pfmock.NewMockPacketFilter(ctrl)
packetfilter.EXPECT().FilterOutbound(gomock.Any(), gomock.Any()).AnyTimes()
packetfilter.EXPECT().SetUDPPacketHook(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
packetfilter.EXPECT().SetTCPPacketHook(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
if err := wgIface.SetFilter(packetfilter); err != nil {
t.Errorf("set packet filter: %v", err)
return
}
dnsServer, err := NewDefaultServer(context.Background(), DefaultServerConfig{
WgInterface: wgIface,
CustomAddress: "",
StatusRecorder: peer.NewRecorder("mgm"),
StateManager: nil,
DisableSys: false,
})
if err != nil {
t.Errorf("create DNS server: %v", err)
return
}
err = dnsServer.Initialize()
if err != nil {
t.Errorf("run DNS server: %v", err)
return
}
defer func() {
if err = dnsServer.hostManager.restoreHostDNS(); err != nil {
t.Logf("restore DNS settings on the host: %v", err)
return
}
}()
dnsServer.dnsMuxHandlers = []handlerWrapper{
{
domain: zoneRecords[0].Name,
handler: &local.Resolver{},
priority: PriorityUpstream,
},
}
dnsServer.localResolver.Update([]nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}})
dnsServer.updateSerial = 0
nameServers := []nbdns.NameServer{
{
IP: netip.MustParseAddr("8.8.8.8"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
{
IP: netip.MustParseAddr("8.8.4.4"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
}
update := nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
Domains: []string{"netbird.io"},
NameServers: nameServers,
},
{
NameServers: nameServers,
Primary: true,
},
},
}
// Start the server with regular configuration
if err := dnsServer.UpdateDNSServer(1, update); err != nil {
t.Fatalf("update dns server should not fail, got error: %v", err)
return
}
update2 := update
update2.ServiceEnable = false
// Disable the server, stop the listener
if err := dnsServer.UpdateDNSServer(2, update2); err != nil {
t.Fatalf("update dns server should not fail, got error: %v", err)
return
}
update3 := update2
update3.NameServerGroups = update3.NameServerGroups[:1]
// But service still get updates and we checking that we handle
// internal state in the right way
if err := dnsServer.UpdateDNSServer(3, update3); err != nil {
t.Fatalf("update dns server should not fail, got error: %v", err)
return
}
}

View File

@@ -10,6 +10,7 @@ import (
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/miekg/dns"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
@@ -22,6 +23,7 @@ import (
"github.com/netbirdio/netbird/client/iface"
"github.com/netbirdio/netbird/client/iface/configurer"
"github.com/netbirdio/netbird/client/iface/device"
pfmock "github.com/netbirdio/netbird/client/iface/mocks"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/internal/dns/local"
"github.com/netbirdio/netbird/client/internal/dns/test"
@@ -102,6 +104,466 @@ func init() {
formatter.SetTextFormatter(log.StandardLogger())
}
func TestUpdateDNSServer(t *testing.T) {
nameServers := []nbdns.NameServer{
{
IP: netip.MustParseAddr("8.8.8.8"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
{
IP: netip.MustParseAddr("8.8.4.4"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
}
testCases := []struct {
name string
initUpstreamMap []handlerWrapper
initLocalZones []nbdns.CustomZone
initSerial uint64
inputSerial uint64
inputUpdate nbdns.Config
shouldFail bool
expectedUpstreamMap []handlerWrapper
expectedLocalQs []dns.Question
}{
{
name: "Initial Config Should Succeed",
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
Domains: []string{"netbird.io"},
NameServers: nameServers,
},
{
NameServers: nameServers,
Primary: true,
},
},
},
expectedUpstreamMap: []handlerWrapper{
{
domain: "netbird.io",
priority: PriorityUpstream,
},
{
domain: "netbird.cloud",
priority: PriorityLocal,
},
{
domain: nbdns.RootZone,
priority: PriorityDefault,
},
},
expectedLocalQs: []dns.Question{{Name: "peera.netbird.cloud.", Qtype: dns.TypeA, Qclass: dns.ClassINET}},
},
{
name: "New Config Should Succeed",
initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: 1, Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
initUpstreamMap: []handlerWrapper{
{
domain: "netbird.cloud",
handler: &mockHandler{},
priority: PriorityUpstream,
},
},
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
Domains: []string{"netbird.io"},
NameServers: nameServers,
},
},
},
expectedUpstreamMap: []handlerWrapper{
{
domain: "netbird.io",
priority: PriorityUpstream,
},
{
domain: "netbird.cloud",
priority: PriorityLocal,
},
},
expectedLocalQs: []dns.Question{{Name: zoneRecords[0].Name, Qtype: 1, Qclass: 1}},
},
{
name: "Smaller Config Serial Should Be Skipped",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 2,
inputSerial: 1,
shouldFail: true,
},
{
name: "Empty NS Group Domain Or Not Primary Element Should Fail",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
NameServers: nameServers,
},
},
},
shouldFail: true,
},
{
name: "Invalid NS Group Nameservers list Should Fail",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
NameServers: nameServers,
},
},
},
shouldFail: true,
},
{
name: "Invalid Custom Zone Records list Should Skip",
initLocalZones: []nbdns.CustomZone{},
initUpstreamMap: nil,
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
NameServers: nameServers,
Primary: true,
},
},
},
expectedUpstreamMap: []handlerWrapper{{
domain: ".",
priority: PriorityDefault,
}},
},
{
name: "Empty Config Should Succeed and Clean Maps",
initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
initUpstreamMap: []handlerWrapper{
{
domain: zoneRecords[0].Name,
handler: &mockHandler{},
priority: PriorityUpstream,
},
},
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{ServiceEnable: true},
expectedUpstreamMap: nil,
expectedLocalQs: []dns.Question{},
},
{
name: "Disabled Service Should clean map",
initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
initUpstreamMap: []handlerWrapper{
{
domain: zoneRecords[0].Name,
handler: &mockHandler{},
priority: PriorityUpstream,
},
},
initSerial: 0,
inputSerial: 1,
inputUpdate: nbdns.Config{ServiceEnable: false},
expectedUpstreamMap: nil,
expectedLocalQs: []dns.Question{},
},
}
for n, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
privKey, _ := wgtypes.GenerateKey()
newNet, err := stdnet.NewNet(context.Background(), nil)
if err != nil {
t.Fatal(err)
}
opts := iface.WGIFaceOpts{
IFaceName: fmt.Sprintf("utun230%d", n),
Address: wgaddr.MustParseWGAddress(fmt.Sprintf("100.66.100.%d/32", n+1)),
WGPort: 33100,
WGPrivKey: privKey.String(),
MTU: iface.DefaultMTU,
TransportNet: newNet,
}
wgIface, err := iface.NewWGIFace(opts)
if err != nil {
t.Fatal(err)
}
err = wgIface.Create()
if err != nil {
t.Fatal(err)
}
defer func() {
err = wgIface.Close()
if err != nil {
t.Log(err)
}
}()
dnsServer, err := NewDefaultServer(context.Background(), DefaultServerConfig{
WgInterface: wgIface,
CustomAddress: "",
StatusRecorder: peer.NewRecorder("mgm"),
StateManager: nil,
DisableSys: false,
})
if err != nil {
t.Fatal(err)
}
err = dnsServer.Initialize()
if err != nil {
t.Fatal(err)
}
defer func() {
err = dnsServer.hostManager.restoreHostDNS()
if err != nil {
t.Log(err)
}
}()
dnsServer.dnsMuxHandlers = testCase.initUpstreamMap
dnsServer.localResolver.Update(testCase.initLocalZones)
dnsServer.updateSerial = testCase.initSerial
err = dnsServer.UpdateDNSServer(testCase.inputSerial, testCase.inputUpdate)
if err != nil {
if testCase.shouldFail {
return
}
t.Fatalf("update dns server should not fail, got error: %v", err)
}
if len(dnsServer.dnsMuxHandlers) != len(testCase.expectedUpstreamMap) {
t.Fatalf("update upstream failed, map size is different than expected, want %d, got %d", len(testCase.expectedUpstreamMap), len(dnsServer.dnsMuxHandlers))
}
for _, expected := range testCase.expectedUpstreamMap {
found := false
for _, got := range dnsServer.dnsMuxHandlers {
if got.domain == expected.domain && got.priority == expected.priority {
found = true
break
}
}
if !found {
t.Fatalf("update upstream failed, handler for domain=%s priority=%d not found in dnsMuxHandlers: %#v", expected.domain, expected.priority, dnsServer.dnsMuxHandlers)
}
}
var responseMSG *dns.Msg
responseWriter := &test.MockResponseWriter{
WriteMsgFunc: func(m *dns.Msg) error {
responseMSG = m
return nil
},
}
for _, q := range testCase.expectedLocalQs {
dnsServer.localResolver.ServeDNS(responseWriter, &dns.Msg{
Question: []dns.Question{q},
})
}
if len(testCase.expectedLocalQs) > 0 {
assert.NotNil(t, responseMSG, "response message should not be nil")
assert.Equal(t, dns.RcodeSuccess, responseMSG.Rcode, "response code should be success")
assert.NotEmpty(t, responseMSG.Answer, "response message should have answers")
}
})
}
}
func TestDNSFakeResolverHandleUpdates(t *testing.T) {
ov := os.Getenv("NB_WG_KERNEL_DISABLED")
defer t.Setenv("NB_WG_KERNEL_DISABLED", ov)
t.Setenv("NB_WG_KERNEL_DISABLED", "true")
newNet, err := stdnet.NewNet(context.Background(), []string{"utun2301"})
if err != nil {
t.Errorf("create stdnet: %v", err)
return
}
privKey, _ := wgtypes.GeneratePrivateKey()
opts := iface.WGIFaceOpts{
IFaceName: "utun2301",
Address: wgaddr.MustParseWGAddress("100.66.100.1/32"),
WGPort: 33100,
WGPrivKey: privKey.String(),
MTU: iface.DefaultMTU,
TransportNet: newNet,
}
wgIface, err := iface.NewWGIFace(opts)
if err != nil {
t.Errorf("build interface wireguard: %v", err)
return
}
err = wgIface.Create()
if err != nil {
t.Errorf("create and init wireguard interface: %v", err)
return
}
defer func() {
if err = wgIface.Close(); err != nil {
t.Logf("close wireguard interface: %v", err)
}
}()
ctrl := gomock.NewController(t)
defer ctrl.Finish()
packetfilter := pfmock.NewMockPacketFilter(ctrl)
packetfilter.EXPECT().FilterOutbound(gomock.Any(), gomock.Any()).AnyTimes()
packetfilter.EXPECT().SetUDPPacketHook(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
packetfilter.EXPECT().SetTCPPacketHook(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
if err := wgIface.SetFilter(packetfilter); err != nil {
t.Errorf("set packet filter: %v", err)
return
}
dnsServer, err := NewDefaultServer(context.Background(), DefaultServerConfig{
WgInterface: wgIface,
CustomAddress: "",
StatusRecorder: peer.NewRecorder("mgm"),
StateManager: nil,
DisableSys: false,
})
if err != nil {
t.Errorf("create DNS server: %v", err)
return
}
err = dnsServer.Initialize()
if err != nil {
t.Errorf("run DNS server: %v", err)
return
}
defer func() {
if err = dnsServer.hostManager.restoreHostDNS(); err != nil {
t.Logf("restore DNS settings on the host: %v", err)
return
}
}()
dnsServer.dnsMuxHandlers = []handlerWrapper{
{
domain: zoneRecords[0].Name,
handler: &local.Resolver{},
priority: PriorityUpstream,
},
}
dnsServer.localResolver.Update([]nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}})
dnsServer.updateSerial = 0
nameServers := []nbdns.NameServer{
{
IP: netip.MustParseAddr("8.8.8.8"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
{
IP: netip.MustParseAddr("8.8.4.4"),
NSType: nbdns.UDPNameServerType,
Port: 53,
},
}
update := nbdns.Config{
ServiceEnable: true,
CustomZones: []nbdns.CustomZone{
{
Domain: "netbird.cloud",
Records: zoneRecords,
},
},
NameServerGroups: []*nbdns.NameServerGroup{
{
Domains: []string{"netbird.io"},
NameServers: nameServers,
},
{
NameServers: nameServers,
Primary: true,
},
},
}
// Start the server with regular configuration
if err := dnsServer.UpdateDNSServer(1, update); err != nil {
t.Fatalf("update dns server should not fail, got error: %v", err)
return
}
update2 := update
update2.ServiceEnable = false
// Disable the server, stop the listener
if err := dnsServer.UpdateDNSServer(2, update2); err != nil {
t.Fatalf("update dns server should not fail, got error: %v", err)
return
}
update3 := update2
update3.NameServerGroups = update3.NameServerGroups[:1]
// But service still get updates and we checking that we handle
// internal state in the right way
if err := dnsServer.UpdateDNSServer(3, update3); err != nil {
t.Fatalf("update dns server should not fail, got error: %v", err)
return
}
}
func TestDNSServerStartStop(t *testing.T) {
testCases := []struct {
name string

View File

@@ -34,7 +34,6 @@ import (
"github.com/netbirdio/netbird/client/iface/udpmux"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/internal/acl"
"github.com/netbirdio/netbird/client/internal/approval"
"github.com/netbirdio/netbird/client/internal/debug"
"github.com/netbirdio/netbird/client/internal/dns"
dnsconfig "github.com/netbirdio/netbird/client/internal/dns/config"
@@ -126,8 +125,6 @@ type EngineConfig struct {
RosenpassPermissive bool
ServerSSHAllowed bool
ServerVNCAllowed bool
DisableVNCApproval *bool
EnableSSHRoot *bool
EnableSSHSFTP *bool
EnableSSHLocalPortForwarding *bool
@@ -215,9 +212,7 @@ type Engine struct {
networkMonitor *networkmonitor.NetworkMonitor
sshServer sshServer
vncSrv vncServer
approvalBroker *approval.Broker
sshServer sshServer
statusRecorder *peer.Status
@@ -309,7 +304,6 @@ func NewEngine(
TURNs: []*stun.URI{},
networkSerial: 0,
statusRecorder: services.StatusRecorder,
approvalBroker: approval.New(services.StatusRecorder),
stateManager: services.StateManager,
portForwardManager: portforward.NewManager(),
checks: services.Checks,
@@ -372,10 +366,6 @@ func (e *Engine) stopLocked() {
log.Warnf("failed to stop SSH server: %v", err)
}
if err := e.stopVNCServer(); err != nil {
log.Warnf("failed to stop VNC server: %v", err)
}
e.cleanupSSHConfig()
if e.ingressGatewayMgr != nil {
@@ -1076,7 +1066,7 @@ func (e *Engine) updateChecksIfNew(checks []*mgmProto.Checks) error {
}
e.checks = checks
info, err := system.GetInfoWithChecks(e.ctx, checks, e.overlayAddresses()...)
info, err := system.GetInfoWithChecks(e.ctx, checks)
if err != nil {
log.Warnf("failed to get system info with checks: %v", err)
info = system.GetInfo(e.ctx)
@@ -1085,7 +1075,6 @@ func (e *Engine) updateChecksIfNew(checks []*mgmProto.Checks) error {
e.config.RosenpassEnabled,
e.config.RosenpassPermissive,
&e.config.ServerSSHAllowed,
&e.config.ServerVNCAllowed,
e.config.DisableClientRoutes,
e.config.DisableServerRoutes,
e.config.DisableDNS,
@@ -1108,20 +1097,6 @@ func (e *Engine) updateChecksIfNew(checks []*mgmProto.Checks) error {
return nil
}
// overlayAddresses returns our own WireGuard overlay address (v4 and v6) so it
// can be excluded from the reported network addresses; the interface coming and
// going otherwise churns the peer meta on the management server.
func (e *Engine) overlayAddresses() []netip.Addr {
var ips []netip.Addr
if e.config.WgAddr.IP.IsValid() {
ips = append(ips, e.config.WgAddr.IP)
}
if e.config.WgAddr.HasIPv6() {
ips = append(ips, e.config.WgAddr.IPv6)
}
return ips
}
func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
if e.wgInterface == nil {
return errors.New("wireguard interface is not initialized")
@@ -1147,10 +1122,6 @@ func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
}
}
if err := e.updateVNC(); err != nil {
log.Warnf("failed handling VNC server setup: %v", err)
}
state := e.statusRecorder.GetLocalPeerState()
state.IP = e.wgInterface.Address().String()
state.IPv6 = e.wgInterface.Address().IPv6String()
@@ -1269,7 +1240,7 @@ func (e *Engine) receiveManagementEvents() {
e.shutdownWg.Add(1)
go func() {
defer e.shutdownWg.Done()
info, err := system.GetInfoWithChecks(e.ctx, e.checks, e.overlayAddresses()...)
info, err := system.GetInfoWithChecks(e.ctx, e.checks)
if err != nil {
log.Warnf("failed to get system info with checks: %v", err)
info = system.GetInfo(e.ctx)
@@ -1278,7 +1249,6 @@ func (e *Engine) receiveManagementEvents() {
e.config.RosenpassEnabled,
e.config.RosenpassPermissive,
&e.config.ServerSSHAllowed,
&e.config.ServerVNCAllowed,
e.config.DisableClientRoutes,
e.config.DisableServerRoutes,
e.config.DisableDNS,
@@ -1468,11 +1438,6 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
e.updateSSHServerAuth(networkMap.GetSshAuth())
}
// VNC auth: always sync, including nil so cleared auth on the management
// side is applied locally, and so it isn't skipped on the RemotePeersIsEmpty
// cleanup path.
e.updateVNCServerAuth(networkMap.GetVncAuth())
// must set the exclude list after the peers are added. Without it the manager can not figure out the peers parameters from the store
excludedLazyPeers := e.toExcludedLazyPeers(forwardingRules, remotePeers)
e.connMgr.SetExcludeList(e.ctx, excludedLazyPeers)
@@ -1952,7 +1917,6 @@ func (e *Engine) readInitialSettings() ([]*route.Route, *nbdns.Config, bool, err
e.config.RosenpassEnabled,
e.config.RosenpassPermissive,
&e.config.ServerSSHAllowed,
&e.config.ServerVNCAllowed,
e.config.DisableClientRoutes,
e.config.DisableServerRoutes,
e.config.DisableDNS,
@@ -2721,16 +2685,3 @@ func decodeRelayIP(b []byte) netip.Addr {
}
return ip.Unmap()
}
// RespondApproval relays the user's decision for a pending approval to
// the broker. viewOnly is honoured only when accept is true. Returns
// true when the request_id matched a live prompt.
func (e *Engine) RespondApproval(requestID string, accept, viewOnly bool) bool {
if e == nil || e.approvalBroker == nil {
return false
}
return e.approvalBroker.Respond(requestID, approval.Decision{
Accept: accept,
ViewOnly: accept && viewOnly,
})
}

View File

@@ -1,565 +0,0 @@
//go:build privileged
package internal
import (
"context"
"fmt"
"net"
"runtime"
"strings"
"sync"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
"github.com/netbirdio/netbird/client/iface"
"github.com/netbirdio/netbird/client/iface/device"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/peer"
nbssh "github.com/netbirdio/netbird/client/ssh"
"github.com/netbirdio/netbird/client/system"
nbdns "github.com/netbirdio/netbird/dns"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/controller"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/update_channel"
"github.com/netbirdio/netbird/management/internals/modules/peers"
"github.com/netbirdio/netbird/management/internals/modules/peers/ephemeral/manager"
"github.com/netbirdio/netbird/management/internals/server/config"
nbgrpc "github.com/netbirdio/netbird/management/internals/shared/grpc"
"github.com/netbirdio/netbird/management/server"
"github.com/netbirdio/netbird/management/server/activity"
nbcache "github.com/netbirdio/netbird/management/server/cache"
"github.com/netbirdio/netbird/management/server/groups"
"github.com/netbirdio/netbird/management/server/integrations/integrated_validator/validator"
"github.com/netbirdio/netbird/management/server/integrations/port_forwarding"
"github.com/netbirdio/netbird/management/server/job"
"github.com/netbirdio/netbird/management/server/permissions"
"github.com/netbirdio/netbird/management/server/settings"
"github.com/netbirdio/netbird/management/server/store"
"github.com/netbirdio/netbird/management/server/telemetry"
"github.com/netbirdio/netbird/management/server/types"
mgmt "github.com/netbirdio/netbird/shared/management/client"
mgmtProto "github.com/netbirdio/netbird/shared/management/proto"
relayClient "github.com/netbirdio/netbird/shared/relay/client"
signal "github.com/netbirdio/netbird/shared/signal/client"
"github.com/netbirdio/netbird/shared/signal/proto"
signalServer "github.com/netbirdio/netbird/signal/server"
"github.com/netbirdio/netbird/util"
)
func TestEngine_SSH(t *testing.T) {
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
t.Fatal(err)
return
}
sshKey, err := nbssh.GeneratePrivateKey(nbssh.ED25519)
if err != nil {
t.Fatal(err)
return
}
ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
defer cancel()
relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
engine := NewEngine(
ctx, cancel,
&EngineConfig{
WgIfaceName: "utun101",
WgAddr: wgaddr.MustParseWGAddress("100.64.0.1/24"),
WgPrivateKey: key,
WgPort: 33100,
ServerSSHAllowed: true,
MTU: iface.DefaultMTU,
SSHKey: sshKey,
},
EngineServices{
SignalClient: &signal.MockClient{},
MgmClient: &mgmt.MockClient{},
RelayManager: relayMgr,
StatusRecorder: peer.NewRecorder("https://mgm"),
},
MobileDependency{},
)
engine.dnsServer = &dns.MockServer{
UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
}
err = engine.Start(nil, nil)
require.NoError(t, err)
defer func() {
err := engine.Stop()
if err != nil {
return
}
}()
peerWithSSH := &mgmtProto.RemotePeerConfig{
WgPubKey: "MNHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
AllowedIps: []string{"100.64.0.21/24"},
SshConfig: &mgmtProto.SSHConfig{
SshPubKey: []byte("ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFATYCqaQw/9id1Qkq3n16JYhDhXraI6Pc1fgB8ynEfQ"),
},
}
// SSH server is not enabled so SSH config of a remote peer should be ignored
networkMap := &mgmtProto.NetworkMap{
Serial: 6,
PeerConfig: nil,
RemotePeers: []*mgmtProto.RemotePeerConfig{peerWithSSH},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
assert.Nil(t, engine.sshServer)
// SSH server is enabled, therefore SSH config should be applied
networkMap = &mgmtProto.NetworkMap{
Serial: 7,
PeerConfig: &mgmtProto.PeerConfig{Address: "100.64.0.1/24",
SshConfig: &mgmtProto.SSHConfig{
SshEnabled: true,
JwtConfig: &mgmtProto.JWTConfig{
Issuer: "test-issuer",
Audience: "test-audience",
KeysLocation: "test-keys",
MaxTokenAge: 3600,
},
}},
RemotePeers: []*mgmtProto.RemotePeerConfig{peerWithSSH},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
time.Sleep(250 * time.Millisecond)
assert.NotNil(t, engine.sshServer)
// now remove peer
networkMap = &mgmtProto.NetworkMap{
Serial: 8,
RemotePeers: []*mgmtProto.RemotePeerConfig{},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
// time.Sleep(250 * time.Millisecond)
assert.NotNil(t, engine.sshServer)
// now disable SSH server
networkMap = &mgmtProto.NetworkMap{
Serial: 9,
PeerConfig: &mgmtProto.PeerConfig{Address: "100.64.0.1/24",
SshConfig: &mgmtProto.SSHConfig{SshEnabled: false}},
RemotePeers: []*mgmtProto.RemotePeerConfig{peerWithSSH},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
assert.Nil(t, engine.sshServer)
}
func TestEngine_Sync(t *testing.T) {
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
t.Fatal(err)
return
}
ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
defer cancel()
// feed updates to Engine via mocked Management client
updates := make(chan *mgmtProto.SyncResponse)
defer close(updates)
syncFunc := func(ctx context.Context, info *system.Info, msgHandler func(msg *mgmtProto.SyncResponse) error) error {
for msg := range updates {
err := msgHandler(msg)
if err != nil {
t.Fatal(err)
}
}
return nil
}
relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
engine := NewEngine(ctx, cancel, &EngineConfig{
WgIfaceName: "utun103",
WgAddr: wgaddr.MustParseWGAddress("100.64.0.1/24"),
WgPrivateKey: key,
WgPort: 33100,
MTU: iface.DefaultMTU,
}, EngineServices{
SignalClient: &signal.MockClient{},
MgmClient: &mgmt.MockClient{SyncFunc: syncFunc},
RelayManager: relayMgr,
StatusRecorder: peer.NewRecorder("https://mgm"),
}, MobileDependency{})
engine.ctx = ctx
engine.dnsServer = &dns.MockServer{
UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
}
defer func() {
err := engine.Stop()
if err != nil {
return
}
}()
err = engine.Start(nil, nil)
if err != nil {
t.Fatal(err)
return
}
peer1 := &mgmtProto.RemotePeerConfig{
WgPubKey: "RRHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
AllowedIps: []string{"100.64.0.10/24"},
}
peer2 := &mgmtProto.RemotePeerConfig{
WgPubKey: "LLHf3Ma6z6mdLbriAJbqhX9+nM/B71lgw2+91q3LlhU=",
AllowedIps: []string{"100.64.0.11/24"},
}
peer3 := &mgmtProto.RemotePeerConfig{
WgPubKey: "GGHf3Ma6z6mdLbriAJbqhX9+nM/B71lgw2+91q3LlhU=",
AllowedIps: []string{"100.64.0.12/24"},
}
// 1st update with just 1 peer and serial larger than the current serial of the engine => apply update
updates <- &mgmtProto.SyncResponse{
NetworkMap: &mgmtProto.NetworkMap{
Serial: 10,
PeerConfig: nil,
RemotePeers: []*mgmtProto.RemotePeerConfig{peer1, peer2, peer3},
RemotePeersIsEmpty: false,
},
}
timeout := time.After(time.Second * 2)
for {
select {
case <-timeout:
t.Fatalf("timeout while waiting for test to finish")
return
default:
}
if getPeers(engine) == 3 && engine.networkSerial == 10 {
break
}
}
}
func TestEngine_MultiplePeers(t *testing.T) {
// log.SetLevel(log.DebugLevel)
ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
defer cancel()
sigServer, signalAddr, err := startSignal(t)
if err != nil {
t.Fatal(err)
return
}
defer sigServer.Stop()
mgmtServer, mgmtAddr, err := startManagement(t, t.TempDir(), "../testdata/store.sql")
if err != nil {
t.Fatal(err)
return
}
defer mgmtServer.GracefulStop()
setupKey := "A2C8E62B-38F5-4553-B31E-DD66C696CEBB"
mu := sync.Mutex{}
engines := []*Engine{}
numPeers := 10
wg := sync.WaitGroup{}
wg.Add(numPeers)
// create and start peers
for i := 0; i < numPeers; i++ {
j := i
go func() {
engine, err := createEngine(ctx, cancel, setupKey, j, mgmtAddr, signalAddr)
if err != nil {
wg.Done()
t.Errorf("unable to create the engine for peer %d with error %v", j, err)
return
}
engine.dnsServer = &dns.MockServer{}
mu.Lock()
defer mu.Unlock()
guid := fmt.Sprintf("{%s}", uuid.New().String())
device.CustomWindowsGUIDString = strings.ToLower(guid)
err = engine.Start(nil, nil)
if err != nil {
t.Errorf("unable to start engine for peer %d with error %v", j, err)
wg.Done()
return
}
engines = append(engines, engine)
wg.Done()
}()
}
// wait until all have been created and started
wg.Wait()
if len(engines) != numPeers {
t.Fatal("not all peers were started")
}
// check whether all the peer have expected peers connected
expectedConnected := numPeers * (numPeers - 1)
// adjust according to timeouts
timeout := 50 * time.Second
timeoutChan := time.After(timeout)
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
loop:
for {
select {
case <-timeoutChan:
t.Fatalf("waiting for expected connections timeout after %s", timeout.String())
break loop
case <-ticker.C:
totalConnected := 0
for _, engine := range engines {
totalConnected += getConnectedPeers(engine)
}
if totalConnected == expectedConnected {
log.Infof("total connected=%d", totalConnected)
break loop
}
log.Infof("total connected=%d", totalConnected)
}
}
// cleanup test
for n, peerEngine := range engines {
t.Logf("stopping peer with interface %s from multipeer test, loopIndex %d", peerEngine.wgInterface.Name(), n)
errStop := peerEngine.mgmClient.Close()
if errStop != nil {
log.Infoln("got error trying to close management clients from engine: ", errStop)
}
errStop = peerEngine.Stop()
if errStop != nil {
log.Infoln("got error trying to close testing peers engine: ", errStop)
}
}
}
var (
kaep = keepalive.EnforcementPolicy{
MinTime: 15 * time.Second,
PermitWithoutStream: true,
}
kasp = keepalive.ServerParameters{
MaxConnectionIdle: 15 * time.Second,
MaxConnectionAgeGrace: 5 * time.Second,
Time: 5 * time.Second,
Timeout: 2 * time.Second,
}
)
func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey string, i int, mgmtAddr string, signalAddr string) (*Engine, error) {
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
return nil, err
}
mgmtClient, err := mgmt.NewClient(ctx, mgmtAddr, key, false)
if err != nil {
return nil, err
}
signalClient, err := signal.NewClient(ctx, signalAddr, key, false)
if err != nil {
return nil, err
}
info := system.GetInfo(ctx)
resp, err := mgmtClient.Register(setupKey, "", info, nil, nil)
if err != nil {
return nil, err
}
var ifaceName string
if runtime.GOOS == "darwin" {
ifaceName = fmt.Sprintf("utun1%d", i)
} else {
ifaceName = fmt.Sprintf("wt%d", i)
}
wgPort := 33100 + i
conf := &EngineConfig{
WgIfaceName: ifaceName,
WgAddr: wgaddr.MustParseWGAddress(resp.PeerConfig.Address),
WgPrivateKey: key,
WgPort: wgPort,
MTU: iface.DefaultMTU,
}
relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
e, err := NewEngine(ctx, cancel, conf, EngineServices{
SignalClient: signalClient,
MgmClient: mgmtClient,
RelayManager: relayMgr,
StatusRecorder: peer.NewRecorder("https://mgm"),
}, MobileDependency{}), nil
e.ctx = ctx
return e, err
}
func startSignal(t *testing.T) (*grpc.Server, string, error) {
t.Helper()
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
srv, err := signalServer.NewServer(context.Background(), otel.Meter(""))
require.NoError(t, err)
proto.RegisterSignalExchangeServer(s, srv)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}
func startManagement(t *testing.T, dataDir, testFile string) (*grpc.Server, string, error) {
t.Helper()
config := &config.Config{
Stuns: []*config.Host{},
TURNConfig: &config.TURNConfig{},
Relay: &config.Relay{
Addresses: []string{"127.0.0.1:1234"},
CredentialsTTL: util.Duration{Duration: time.Hour},
Secret: "222222222222222222",
},
Signal: &config.Host{
Proto: "http",
URI: "localhost:10000",
},
Datadir: dataDir,
HttpConfig: nil,
}
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
return nil, "", err
}
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
store, cleanUp, err := store.NewTestStoreFromSQL(context.Background(), testFile, config.Datadir)
if err != nil {
return nil, "", err
}
t.Cleanup(cleanUp)
eventStore := &activity.InMemoryEventStore{}
if err != nil {
return nil, "", err
}
permissionsManager := permissions.NewManager(store)
peersManager := peers.NewManager(store, permissionsManager)
jobManager := job.NewJobManager(nil, store, peersManager)
cacheStore, err := nbcache.NewStore(context.Background(), 100*time.Millisecond, 300*time.Millisecond, 100)
if err != nil {
return nil, "", err
}
ia, _ := validator.NewIntegratedValidator(context.Background(), peersManager, nil, eventStore, cacheStore)
metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
require.NoError(t, err)
ctrl := gomock.NewController(t)
t.Cleanup(ctrl.Finish)
settingsMockManager := settings.NewMockManager(ctrl)
settingsMockManager.EXPECT().
GetSettings(gomock.Any(), gomock.Any(), gomock.Any()).
Return(&types.Settings{}, nil).
AnyTimes()
settingsMockManager.EXPECT().
GetExtraSettings(gomock.Any(), gomock.Any()).
Return(&types.ExtraSettings{}, nil).
AnyTimes()
groupsManager := groups.NewManagerMock()
updateManager := update_channel.NewPeersUpdateManager(metrics)
requestBuffer := server.NewAccountRequestBuffer(context.Background(), store)
networkMapController := controller.NewController(context.Background(), store, metrics, updateManager, requestBuffer, server.MockIntegratedValidator{}, settingsMockManager, "netbird.selfhosted", port_forwarding.NewControllerMock(), manager.NewEphemeralManager(store, peersManager), config)
accountManager, err := server.BuildManager(context.Background(), config, store, networkMapController, jobManager, nil, "", eventStore, nil, false, ia, metrics, port_forwarding.NewControllerMock(), settingsMockManager, permissionsManager, false, cacheStore)
if err != nil {
return nil, "", err
}
secretsManager, err := nbgrpc.NewTimeBasedAuthSecretsManager(updateManager, config.TURNConfig, config.Relay, settingsMockManager, groupsManager)
if err != nil {
return nil, "", err
}
mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil, nil)
if err != nil {
return nil, "", err
}
mgmtProto.RegisterManagementServiceServer(s, mgmtServer)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}
// getConnectedPeers returns a connection Status or nil if peer connection wasn't found
func getConnectedPeers(e *Engine) int {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
i := 0
for _, id := range e.peerStore.PeersPubKey() {
conn, _ := e.peerStore.PeerConn(id)
if conn.IsConnected() {
i++
}
}
return i
}
func getPeers(e *Engine) int {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
return len(e.peerStore.PeersPubKey())
}

View File

@@ -12,10 +12,10 @@ import (
firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/iface/netstack"
nftypes "github.com/netbirdio/netbird/client/internal/netflow/types"
sshauth "github.com/netbirdio/netbird/client/ssh/auth"
sshconfig "github.com/netbirdio/netbird/client/ssh/config"
sshserver "github.com/netbirdio/netbird/client/ssh/server"
mgmProto "github.com/netbirdio/netbird/shared/management/proto"
sshauth "github.com/netbirdio/netbird/shared/sessionauth"
sshuserhash "github.com/netbirdio/netbird/shared/sshauth"
)
@@ -237,18 +237,22 @@ func (e *Engine) startSSHServer(jwtConfig *sshserver.JWTConfig) error {
return errors.New("wg interface not initialized")
}
wgAddr := e.wgInterface.Address()
serverConfig := &sshserver.Config{
HostKeyPEM: e.config.SSHKey,
JWT: jwtConfig,
NetstackNet: e.wgInterface.GetNet(),
NetworkValidation: wgAddr,
HostKeyPEM: e.config.SSHKey,
JWT: jwtConfig,
}
server := sshserver.New(serverConfig)
wgAddr := e.wgInterface.Address()
server.SetNetworkValidation(wgAddr)
netbirdIP := wgAddr.IP
listenAddr := netip.AddrPortFrom(netbirdIP, sshserver.InternalSSHPort)
if netstackNet := e.wgInterface.GetNet(); netstackNet != nil {
server.SetNetstackNet(netstackNet)
}
e.configureSSHServer(server)
if err := server.Start(e.ctx, listenAddr); err != nil {

View File

@@ -6,18 +6,37 @@ import (
"net"
"net/netip"
"os"
"runtime"
"strings"
"sync"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
wgdevice "golang.zx2c4.com/wireguard/device"
"golang.zx2c4.com/wireguard/tun/netstack"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
"github.com/netbirdio/netbird/client/internal/stdnet"
"github.com/netbirdio/netbird/management/server/job"
"github.com/netbirdio/netbird/management/server/integrations/integrated_validator/validator"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/controller"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/update_channel"
"github.com/netbirdio/netbird/management/internals/modules/peers"
"github.com/netbirdio/netbird/management/internals/modules/peers/ephemeral/manager"
nbgrpc "github.com/netbirdio/netbird/management/internals/shared/grpc"
"github.com/netbirdio/netbird/management/internals/server/config"
"github.com/netbirdio/netbird/management/server/groups"
"github.com/netbirdio/netbird/client/iface"
"github.com/netbirdio/netbird/client/iface/configurer"
@@ -31,7 +50,18 @@ import (
icemaker "github.com/netbirdio/netbird/client/internal/peer/ice"
"github.com/netbirdio/netbird/client/internal/profilemanager"
"github.com/netbirdio/netbird/client/internal/routemanager"
nbssh "github.com/netbirdio/netbird/client/ssh"
"github.com/netbirdio/netbird/client/system"
nbdns "github.com/netbirdio/netbird/dns"
"github.com/netbirdio/netbird/management/server"
"github.com/netbirdio/netbird/management/server/activity"
nbcache "github.com/netbirdio/netbird/management/server/cache"
"github.com/netbirdio/netbird/management/server/integrations/port_forwarding"
"github.com/netbirdio/netbird/management/server/permissions"
"github.com/netbirdio/netbird/management/server/settings"
"github.com/netbirdio/netbird/management/server/store"
"github.com/netbirdio/netbird/management/server/telemetry"
"github.com/netbirdio/netbird/management/server/types"
"github.com/netbirdio/netbird/monotime"
"github.com/netbirdio/netbird/route"
mgmt "github.com/netbirdio/netbird/shared/management/client"
@@ -39,9 +69,25 @@ import (
"github.com/netbirdio/netbird/shared/netiputil"
relayClient "github.com/netbirdio/netbird/shared/relay/client"
signal "github.com/netbirdio/netbird/shared/signal/client"
"github.com/netbirdio/netbird/shared/signal/proto"
signalServer "github.com/netbirdio/netbird/signal/server"
"github.com/netbirdio/netbird/util"
)
var (
kaep = keepalive.EnforcementPolicy{
MinTime: 15 * time.Second,
PermitWithoutStream: true,
}
kasp = keepalive.ServerParameters{
MaxConnectionIdle: 15 * time.Second,
MaxConnectionAgeGrace: 5 * time.Second,
Time: 5 * time.Second,
Timeout: 2 * time.Second,
}
)
type MockWGIface struct {
CreateFunc func() error
CreateOnAndroidFunc func(routeRange []string, ip string, domains []string) error
@@ -188,6 +234,129 @@ func TestMain(m *testing.M) {
os.Exit(code)
}
func TestEngine_SSH(t *testing.T) {
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
t.Fatal(err)
return
}
sshKey, err := nbssh.GeneratePrivateKey(nbssh.ED25519)
if err != nil {
t.Fatal(err)
return
}
ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
defer cancel()
relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
engine := NewEngine(
ctx, cancel,
&EngineConfig{
WgIfaceName: "utun101",
WgAddr: wgaddr.MustParseWGAddress("100.64.0.1/24"),
WgPrivateKey: key,
WgPort: 33100,
ServerSSHAllowed: true,
MTU: iface.DefaultMTU,
SSHKey: sshKey,
},
EngineServices{
SignalClient: &signal.MockClient{},
MgmClient: &mgmt.MockClient{},
RelayManager: relayMgr,
StatusRecorder: peer.NewRecorder("https://mgm"),
},
MobileDependency{},
)
engine.dnsServer = &dns.MockServer{
UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
}
err = engine.Start(nil, nil)
require.NoError(t, err)
defer func() {
err := engine.Stop()
if err != nil {
return
}
}()
peerWithSSH := &mgmtProto.RemotePeerConfig{
WgPubKey: "MNHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
AllowedIps: []string{"100.64.0.21/24"},
SshConfig: &mgmtProto.SSHConfig{
SshPubKey: []byte("ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFATYCqaQw/9id1Qkq3n16JYhDhXraI6Pc1fgB8ynEfQ"),
},
}
// SSH server is not enabled so SSH config of a remote peer should be ignored
networkMap := &mgmtProto.NetworkMap{
Serial: 6,
PeerConfig: nil,
RemotePeers: []*mgmtProto.RemotePeerConfig{peerWithSSH},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
assert.Nil(t, engine.sshServer)
// SSH server is enabled, therefore SSH config should be applied
networkMap = &mgmtProto.NetworkMap{
Serial: 7,
PeerConfig: &mgmtProto.PeerConfig{Address: "100.64.0.1/24",
SshConfig: &mgmtProto.SSHConfig{
SshEnabled: true,
JwtConfig: &mgmtProto.JWTConfig{
Issuer: "test-issuer",
Audience: "test-audience",
KeysLocation: "test-keys",
MaxTokenAge: 3600,
},
}},
RemotePeers: []*mgmtProto.RemotePeerConfig{peerWithSSH},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
time.Sleep(250 * time.Millisecond)
assert.NotNil(t, engine.sshServer)
// now remove peer
networkMap = &mgmtProto.NetworkMap{
Serial: 8,
RemotePeers: []*mgmtProto.RemotePeerConfig{},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
// time.Sleep(250 * time.Millisecond)
assert.NotNil(t, engine.sshServer)
// now disable SSH server
networkMap = &mgmtProto.NetworkMap{
Serial: 9,
PeerConfig: &mgmtProto.PeerConfig{Address: "100.64.0.1/24",
SshConfig: &mgmtProto.SSHConfig{SshEnabled: false}},
RemotePeers: []*mgmtProto.RemotePeerConfig{peerWithSSH},
RemotePeersIsEmpty: false,
}
err = engine.updateNetworkMap(networkMap)
require.NoError(t, err)
assert.Nil(t, engine.sshServer)
}
func TestEngine_SSHUpdateLogic(t *testing.T) {
// Test that SSH server start/stop logic works based on config
engine := &Engine{
@@ -462,6 +631,97 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
}
}
func TestEngine_Sync(t *testing.T) {
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
t.Fatal(err)
return
}
ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
defer cancel()
// feed updates to Engine via mocked Management client
updates := make(chan *mgmtProto.SyncResponse)
defer close(updates)
syncFunc := func(ctx context.Context, info *system.Info, msgHandler func(msg *mgmtProto.SyncResponse) error) error {
for msg := range updates {
err := msgHandler(msg)
if err != nil {
t.Fatal(err)
}
}
return nil
}
relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
engine := NewEngine(ctx, cancel, &EngineConfig{
WgIfaceName: "utun103",
WgAddr: wgaddr.MustParseWGAddress("100.64.0.1/24"),
WgPrivateKey: key,
WgPort: 33100,
MTU: iface.DefaultMTU,
}, EngineServices{
SignalClient: &signal.MockClient{},
MgmClient: &mgmt.MockClient{SyncFunc: syncFunc},
RelayManager: relayMgr,
StatusRecorder: peer.NewRecorder("https://mgm"),
}, MobileDependency{})
engine.ctx = ctx
engine.dnsServer = &dns.MockServer{
UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
}
defer func() {
err := engine.Stop()
if err != nil {
return
}
}()
err = engine.Start(nil, nil)
if err != nil {
t.Fatal(err)
return
}
peer1 := &mgmtProto.RemotePeerConfig{
WgPubKey: "RRHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
AllowedIps: []string{"100.64.0.10/24"},
}
peer2 := &mgmtProto.RemotePeerConfig{
WgPubKey: "LLHf3Ma6z6mdLbriAJbqhX9+nM/B71lgw2+91q3LlhU=",
AllowedIps: []string{"100.64.0.11/24"},
}
peer3 := &mgmtProto.RemotePeerConfig{
WgPubKey: "GGHf3Ma6z6mdLbriAJbqhX9+nM/B71lgw2+91q3LlhU=",
AllowedIps: []string{"100.64.0.12/24"},
}
// 1st update with just 1 peer and serial larger than the current serial of the engine => apply update
updates <- &mgmtProto.SyncResponse{
NetworkMap: &mgmtProto.NetworkMap{
Serial: 10,
PeerConfig: nil,
RemotePeers: []*mgmtProto.RemotePeerConfig{peer1, peer2, peer3},
RemotePeersIsEmpty: false,
},
}
timeout := time.After(time.Second * 2)
for {
select {
case <-timeout:
t.Fatalf("timeout while waiting for test to finish")
return
default:
}
if getPeers(engine) == 3 && engine.networkSerial == 10 {
break
}
}
}
func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
testCases := []struct {
name string
@@ -845,6 +1105,104 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
}
}
func TestEngine_MultiplePeers(t *testing.T) {
// log.SetLevel(log.DebugLevel)
ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
defer cancel()
sigServer, signalAddr, err := startSignal(t)
if err != nil {
t.Fatal(err)
return
}
defer sigServer.Stop()
mgmtServer, mgmtAddr, err := startManagement(t, t.TempDir(), "../testdata/store.sql")
if err != nil {
t.Fatal(err)
return
}
defer mgmtServer.GracefulStop()
setupKey := "A2C8E62B-38F5-4553-B31E-DD66C696CEBB"
mu := sync.Mutex{}
engines := []*Engine{}
numPeers := 10
wg := sync.WaitGroup{}
wg.Add(numPeers)
// create and start peers
for i := 0; i < numPeers; i++ {
j := i
go func() {
engine, err := createEngine(ctx, cancel, setupKey, j, mgmtAddr, signalAddr)
if err != nil {
wg.Done()
t.Errorf("unable to create the engine for peer %d with error %v", j, err)
return
}
engine.dnsServer = &dns.MockServer{}
mu.Lock()
defer mu.Unlock()
guid := fmt.Sprintf("{%s}", uuid.New().String())
device.CustomWindowsGUIDString = strings.ToLower(guid)
err = engine.Start(nil, nil)
if err != nil {
t.Errorf("unable to start engine for peer %d with error %v", j, err)
wg.Done()
return
}
engines = append(engines, engine)
wg.Done()
}()
}
// wait until all have been created and started
wg.Wait()
if len(engines) != numPeers {
t.Fatal("not all peers was started")
}
// check whether all the peer have expected peers connected
expectedConnected := numPeers * (numPeers - 1)
// adjust according to timeouts
timeout := 50 * time.Second
timeoutChan := time.After(timeout)
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
loop:
for {
select {
case <-timeoutChan:
t.Fatalf("waiting for expected connections timeout after %s", timeout.String())
break loop
case <-ticker.C:
totalConnected := 0
for _, engine := range engines {
totalConnected += getConnectedPeers(engine)
}
if totalConnected == expectedConnected {
log.Infof("total connected=%d", totalConnected)
break loop
}
log.Infof("total connected=%d", totalConnected)
}
}
// cleanup test
for n, peerEngine := range engines {
t.Logf("stopping peer with interface %s from multipeer test, loopIndex %d", peerEngine.wgInterface.Name(), n)
errStop := peerEngine.mgmClient.Close()
if errStop != nil {
log.Infoln("got error trying to close management clients from engine: ", errStop)
}
errStop = peerEngine.Stop()
if errStop != nil {
log.Infoln("got error trying to close testing peers engine: ", errStop)
}
}
}
func Test_ParseNATExternalIPMappings(t *testing.T) {
ifaceList, err := net.Interfaces()
if err != nil {
@@ -1168,6 +1526,187 @@ func TestCompareNetIPLists(t *testing.T) {
}
}
func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey string, i int, mgmtAddr string, signalAddr string) (*Engine, error) {
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
return nil, err
}
mgmtClient, err := mgmt.NewClient(ctx, mgmtAddr, key, false)
if err != nil {
return nil, err
}
signalClient, err := signal.NewClient(ctx, signalAddr, key, false)
if err != nil {
return nil, err
}
info := system.GetInfo(ctx)
resp, err := mgmtClient.Register(setupKey, "", info, nil, nil)
if err != nil {
return nil, err
}
var ifaceName string
if runtime.GOOS == "darwin" {
ifaceName = fmt.Sprintf("utun1%d", i)
} else {
ifaceName = fmt.Sprintf("wt%d", i)
}
wgPort := 33100 + i
conf := &EngineConfig{
WgIfaceName: ifaceName,
WgAddr: wgaddr.MustParseWGAddress(resp.PeerConfig.Address),
WgPrivateKey: key,
WgPort: wgPort,
MTU: iface.DefaultMTU,
}
relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
e, err := NewEngine(ctx, cancel, conf, EngineServices{
SignalClient: signalClient,
MgmClient: mgmtClient,
RelayManager: relayMgr,
StatusRecorder: peer.NewRecorder("https://mgm"),
}, MobileDependency{}), nil
e.ctx = ctx
return e, err
}
func startSignal(t *testing.T) (*grpc.Server, string, error) {
t.Helper()
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
srv, err := signalServer.NewServer(context.Background(), otel.Meter(""))
require.NoError(t, err)
proto.RegisterSignalExchangeServer(s, srv)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}
func startManagement(t *testing.T, dataDir, testFile string) (*grpc.Server, string, error) {
t.Helper()
config := &config.Config{
Stuns: []*config.Host{},
TURNConfig: &config.TURNConfig{},
Relay: &config.Relay{
Addresses: []string{"127.0.0.1:1234"},
CredentialsTTL: util.Duration{Duration: time.Hour},
Secret: "222222222222222222",
},
Signal: &config.Host{
Proto: "http",
URI: "localhost:10000",
},
Datadir: dataDir,
HttpConfig: nil,
}
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
return nil, "", err
}
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
store, cleanUp, err := store.NewTestStoreFromSQL(context.Background(), testFile, config.Datadir)
if err != nil {
return nil, "", err
}
t.Cleanup(cleanUp)
eventStore := &activity.InMemoryEventStore{}
if err != nil {
return nil, "", err
}
permissionsManager := permissions.NewManager(store)
peersManager := peers.NewManager(store, permissionsManager)
jobManager := job.NewJobManager(nil, store, peersManager)
cacheStore, err := nbcache.NewStore(context.Background(), 100*time.Millisecond, 300*time.Millisecond, 100)
if err != nil {
return nil, "", err
}
ia, _ := validator.NewIntegratedValidator(context.Background(), peersManager, nil, eventStore, cacheStore)
metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
require.NoError(t, err)
ctrl := gomock.NewController(t)
t.Cleanup(ctrl.Finish)
settingsMockManager := settings.NewMockManager(ctrl)
settingsMockManager.EXPECT().
GetSettings(gomock.Any(), gomock.Any(), gomock.Any()).
Return(&types.Settings{}, nil).
AnyTimes()
settingsMockManager.EXPECT().
GetExtraSettings(gomock.Any(), gomock.Any()).
Return(&types.ExtraSettings{}, nil).
AnyTimes()
groupsManager := groups.NewManagerMock()
updateManager := update_channel.NewPeersUpdateManager(metrics)
requestBuffer := server.NewAccountRequestBuffer(context.Background(), store)
networkMapController := controller.NewController(context.Background(), store, metrics, updateManager, requestBuffer, server.MockIntegratedValidator{}, settingsMockManager, "netbird.selfhosted", port_forwarding.NewControllerMock(), manager.NewEphemeralManager(store, peersManager), config)
accountManager, err := server.BuildManager(context.Background(), config, store, networkMapController, jobManager, nil, "", eventStore, nil, false, ia, metrics, port_forwarding.NewControllerMock(), settingsMockManager, permissionsManager, false, cacheStore)
if err != nil {
return nil, "", err
}
secretsManager, err := nbgrpc.NewTimeBasedAuthSecretsManager(updateManager, config.TURNConfig, config.Relay, settingsMockManager, groupsManager)
if err != nil {
return nil, "", err
}
mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil, nil)
if err != nil {
return nil, "", err
}
mgmtProto.RegisterManagementServiceServer(s, mgmtServer)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}
// getConnectedPeers returns a connection Status or nil if peer connection wasn't found
func getConnectedPeers(e *Engine) int {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
i := 0
for _, id := range e.peerStore.PeersPubKey() {
conn, _ := e.peerStore.PeerConn(id)
if conn.IsConnected() {
i++
}
}
return i
}
func getPeers(e *Engine) int {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
return len(e.peerStore.PeersPubKey())
}
func mustEncodePrefix(t *testing.T, p netip.Prefix) []byte {
t.Helper()
b, err := netiputil.EncodePrefix(p)

View File

@@ -1,302 +0,0 @@
//go:build !js && !ios && !android
package internal
import (
"context"
"errors"
"fmt"
"net/netip"
log "github.com/sirupsen/logrus"
firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/internal/approval"
"github.com/netbirdio/netbird/client/internal/metrics"
nftypes "github.com/netbirdio/netbird/client/internal/netflow/types"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/vnc"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
mgmProto "github.com/netbirdio/netbird/shared/management/proto"
sshauth "github.com/netbirdio/netbird/shared/sessionauth"
sshuserhash "github.com/netbirdio/netbird/shared/sshauth"
)
type vncServer interface {
Start(ctx context.Context, addr netip.AddrPort, network netip.Prefix) error
Stop() error
ActiveSessions() []vncserver.ActiveSessionInfo
}
func (e *Engine) setupVNCPortRedirection() error {
if e.firewall == nil || e.wgInterface == nil {
return nil
}
localAddr := e.wgInterface.Address().IP
if !localAddr.IsValid() {
return errors.New("invalid local NetBird address")
}
if err := e.firewall.AddInboundDNAT(localAddr, firewallManager.ProtocolTCP, vnc.ExternalPort, vnc.InternalPort); err != nil {
return fmt.Errorf("add VNC port redirection: %w", err)
}
log.Infof("VNC port redirection: %s:%d -> %s:%d", localAddr, vnc.ExternalPort, localAddr, vnc.InternalPort)
return nil
}
func (e *Engine) cleanupVNCPortRedirection() error {
if e.firewall == nil || e.wgInterface == nil {
return nil
}
localAddr := e.wgInterface.Address().IP
if !localAddr.IsValid() {
return errors.New("invalid local NetBird address")
}
if err := e.firewall.RemoveInboundDNAT(localAddr, firewallManager.ProtocolTCP, vnc.ExternalPort, vnc.InternalPort); err != nil {
return fmt.Errorf("remove VNC port redirection: %w", err)
}
return nil
}
// updateVNC handles starting/stopping the VNC server based on the config flag.
func (e *Engine) updateVNC() error {
if !e.config.ServerVNCAllowed {
if e.vncSrv != nil {
log.Info("VNC server disabled, stopping")
}
return e.stopVNCServer()
}
if e.config.BlockInbound {
log.Info("VNC server disabled because inbound connections are blocked")
return e.stopVNCServer()
}
if e.vncSrv != nil {
return nil
}
return e.startVNCServer()
}
func (e *Engine) startVNCServer() error {
if e.wgInterface == nil {
return errors.New("wg interface not initialized")
}
capturer, injector, ok := newPlatformVNC()
if !ok {
log.Debug("VNC server not supported on this platform")
return nil
}
netbirdIP := e.wgInterface.Address().IP
var sessionRecorder func(vncserver.SessionTick)
if e.clientMetrics != nil {
sessionRecorder = func(t vncserver.SessionTick) {
e.clientMetrics.RecordVNCSessionTick(e.ctx, metrics.VNCSessionTick{
Period: t.Period,
BytesOut: t.BytesOut,
Writes: t.Writes,
FBUs: t.FBUs,
MaxFBUBytes: t.MaxFBUBytes,
MaxFBURects: t.MaxFBURects,
MaxWriteBytes: t.MaxWriteBytes,
WriteNanos: t.WriteNanos,
})
}
}
serviceMode := vncNeedsServiceMode()
if serviceMode {
log.Info("VNC: running as system service, enabling service mode (per-session agent proxy)")
}
requireApproval := e.config.DisableVNCApproval == nil || !*e.config.DisableVNCApproval
srv := vncserver.New(vncserver.Config{
Capturer: capturer,
Injector: injector,
IdentityKey: e.config.WgPrivateKey[:],
ServiceMode: serviceMode,
SessionRecorder: sessionRecorder,
NetstackNet: e.wgInterface.GetNet(),
RequireApproval: requireApproval,
Approver: &vncApprover{broker: e.approvalBroker, statusRecorder: e.statusRecorder},
})
listenAddr := netip.AddrPortFrom(netbirdIP, vnc.InternalPort)
network := e.wgInterface.Address().Network
if err := srv.Start(e.ctx, listenAddr, network); err != nil {
return fmt.Errorf("start VNC server: %w", err)
}
e.vncSrv = srv
if netstackNet := e.wgInterface.GetNet(); netstackNet != nil {
if registrar, ok := e.firewall.(interface {
RegisterNetstackService(protocol nftypes.Protocol, port uint16)
}); ok {
registrar.RegisterNetstackService(nftypes.TCP, vnc.InternalPort)
log.Debugf("registered VNC service with netstack for TCP:%d", vnc.InternalPort)
}
}
if err := e.setupVNCPortRedirection(); err != nil {
log.Warnf("setup VNC port redirection: %v", err)
}
log.Info("VNC server enabled")
return nil
}
// updateVNCServerAuth updates VNC fine-grained access control from management.
// A nil vncAuth clears all authorized users and session pubkeys so management
// can revoke access by omitting the field on the next sync.
func (e *Engine) updateVNCServerAuth(vncAuth *mgmProto.VNCAuth) {
if e.vncSrv == nil {
return
}
vncSrv, ok := e.vncSrv.(*vncserver.Server)
if !ok {
return
}
if vncAuth == nil {
vncSrv.UpdateVNCAuth(&sshauth.Config{})
return
}
protoUsers := vncAuth.GetAuthorizedUsers()
authorizedUsers := make([]sshuserhash.UserIDHash, len(protoUsers))
for i, hash := range protoUsers {
if len(hash) != 16 {
log.Warnf("invalid VNC auth hash length %d, expected 16", len(hash))
return
}
authorizedUsers[i] = sshuserhash.UserIDHash(hash)
}
machineUsers := make(map[string][]uint32)
for osUser, indexes := range vncAuth.GetMachineUsers() {
machineUsers[osUser] = indexes.GetIndexes()
}
sessionPubKeys := make([]sshauth.SessionPubKey, 0, len(vncAuth.GetSessionPubKeys()))
for _, pk := range vncAuth.GetSessionPubKeys() {
pub := pk.GetPubKey()
if len(pub) != 32 {
log.Warnf("VNC session pubkey wrong length %d", len(pub))
continue
}
hash := pk.GetUserIdHash()
if len(hash) != 16 {
log.Warnf("VNC session user id hash wrong length %d", len(hash))
continue
}
sessionPubKeys = append(sessionPubKeys, sshauth.SessionPubKey{
PubKey: pub,
UserIDHash: sshuserhash.UserIDHash(hash),
DisplayName: pk.GetDisplayName(),
})
}
vncSrv.UpdateVNCAuth(&sshauth.Config{
AuthorizedUsers: authorizedUsers,
MachineUsers: machineUsers,
SessionPubKeys: sessionPubKeys,
})
}
// GetVNCServerStatus returns whether the VNC server is running and the list
// of active VNC sessions. The pointer is captured under syncMsgMux so a
// concurrent updateVNC/stopVNCServer cannot swap it out between the nil
// check and the ActiveSessions call.
func (e *Engine) GetVNCServerStatus() (enabled bool, sessions []vncserver.ActiveSessionInfo) {
e.syncMsgMux.Lock()
vncSrv := e.vncSrv
e.syncMsgMux.Unlock()
if vncSrv == nil {
return false, nil
}
return true, vncSrv.ActiveSessions()
}
func (e *Engine) stopVNCServer() error {
if e.vncSrv == nil {
return nil
}
if err := e.cleanupVNCPortRedirection(); err != nil {
log.Warnf("cleanup VNC port redirection: %v", err)
}
if e.wgInterface != nil && e.wgInterface.GetNet() != nil {
if registrar, ok := e.firewall.(interface {
UnregisterNetstackService(protocol nftypes.Protocol, port uint16)
}); ok {
registrar.UnregisterNetstackService(nftypes.TCP, vnc.InternalPort)
}
}
log.Info("stopping VNC server")
err := e.vncSrv.Stop()
e.vncSrv = nil
if err != nil {
return fmt.Errorf("stop VNC server: %w", err)
}
return nil
}
// vncApprover adapts the generic approval.Broker for the VNC server.
type vncApprover struct {
broker *approval.Broker
statusRecorder *peer.Status
}
func (a *vncApprover) Request(ctx context.Context, info vncserver.ApprovalInfo) (vncserver.ApprovalDecision, error) {
// Resolve the source overlay IP to a peer FQDN for the prompt label.
if info.PeerName == "" && info.SourceIP != "" && a.statusRecorder != nil {
if fqdn, ok := a.statusRecorder.PeerByIP(info.SourceIP); ok {
info.PeerName = fqdn
}
}
subject := fmt.Sprintf("VNC connection from %s", displayPeer(info))
meta := map[string]string{
"peer_name": info.PeerName,
"peer_pubkey": info.PeerPubKey,
"source_ip": info.SourceIP,
"mode": info.Mode,
"username": info.Username,
"initiator": info.Initiator,
}
d, err := a.broker.Request(ctx, approval.Prompt{
Kind: approval.KindVNC,
Subject: subject,
Metadata: meta,
})
if err != nil {
return vncserver.ApprovalDecision{}, err
}
return vncserver.ApprovalDecision{ViewOnly: d.ViewOnly}, nil
}
func displayPeer(info vncserver.ApprovalInfo) string {
if info.Initiator != "" {
return info.Initiator
}
if info.PeerName != "" {
return info.PeerName
}
if info.SourceIP != "" {
return info.SourceIP
}
if info.PeerPubKey != "" {
return info.PeerPubKey
}
return "unknown peer"
}

View File

@@ -1,31 +0,0 @@
//go:build freebsd
package internal
import (
"fmt"
log "github.com/sirupsen/logrus"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
// newConsoleVNC builds the FreeBSD console fallback: vt(4) framebuffer
// for capture, /dev/uinput for input. The uinput device requires the
// `uinput` kernel module (`kldload uinput`); without it, input init
// fails and we drop to a stub injector so the user still gets a
// view-only screen mirror.
func newConsoleVNC() (vncserver.ScreenCapturer, vncserver.InputInjector, error) {
poller := vncserver.NewFBPoller("")
w, h := poller.Width(), poller.Height()
if w == 0 || h == 0 {
poller.Close()
return nil, nil, fmt.Errorf("vt framebuffer init failed (vt may not allow mmap on this driver)")
}
if inj, err := vncserver.NewUInputInjector(w, h); err == nil {
return poller, inj, nil
} else {
log.Infof("VNC console: uinput unavailable (%v); view-only mode. Run `kldload uinput` to enable input.", err)
return poller, &vncserver.StubInputInjector{}, nil
}
}

View File

@@ -1,30 +0,0 @@
//go:build linux && !android
package internal
import (
"fmt"
log "github.com/sirupsen/logrus"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
// newConsoleVNC builds a framebuffer + uinput VNC backend for boxes
// without a running X server. Used as the auto-fallback when
// newPlatformVNC can't reach X. Returns an error when /dev/fb0 or
// /dev/uinput aren't usable so the caller can drop back to a stub.
func newConsoleVNC() (vncserver.ScreenCapturer, vncserver.InputInjector, error) {
poller := vncserver.NewFBPoller("")
w, h := poller.Width(), poller.Height()
if w == 0 || h == 0 {
poller.Close()
return nil, nil, fmt.Errorf("framebuffer capturer init failed (is /dev/fb0 readable?)")
}
inj, err := vncserver.NewUInputInjector(w, h)
if err != nil {
log.Debugf("uinput unavailable, falling back to view-only VNC: %v", err)
return poller, &vncserver.StubInputInjector{}, nil
}
return poller, inj, nil
}

View File

@@ -1,34 +0,0 @@
//go:build darwin && !ios
package internal
import (
"os"
log "github.com/sirupsen/logrus"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
func newPlatformVNC() (vncserver.ScreenCapturer, vncserver.InputInjector, bool) {
capturer := vncserver.NewMacPoller()
// Prompt for Screen Recording at server-enable time rather than first
// client-connect. The native prompt is far easier for users to act on
// in the moment they toggled VNC on than later when "the screen looks
// like wallpaper" would otherwise be the only clue.
vncserver.PrimeScreenCapturePermission()
injector, err := vncserver.NewMacInputInjector()
if err != nil {
log.Debugf("VNC: macOS input injector: %v", err)
return capturer, &vncserver.StubInputInjector{}, true
}
return capturer, injector, true
}
// vncNeedsServiceMode reports whether the running process is a system
// LaunchDaemon (root, parented by launchd). Daemons sit in the global
// bootstrap namespace and cannot talk to WindowServer; we route capture
// through a per-user agent in that case.
func vncNeedsServiceMode() bool {
return os.Geteuid() == 0 && os.Getppid() == 1
}

View File

@@ -1,23 +0,0 @@
//go:build js || ios || android
package internal
import (
log "github.com/sirupsen/logrus"
mgmProto "github.com/netbirdio/netbird/shared/management/proto"
)
type vncServer interface{}
func (e *Engine) updateVNC() error { return nil }
func (e *Engine) updateVNCServerAuth(auth *mgmProto.VNCAuth) {
if auth == nil {
return
}
log.Debugf("ignoring VNC auth push on platform without a VNC server: %d session pubkeys, %d authorized users",
len(auth.GetSessionPubKeys()), len(auth.GetAuthorizedUsers()))
}
func (e *Engine) stopVNCServer() error { return nil }

View File

@@ -1,13 +0,0 @@
//go:build windows
package internal
import vncserver "github.com/netbirdio/netbird/client/vnc/server"
func newPlatformVNC() (vncserver.ScreenCapturer, vncserver.InputInjector, bool) {
return vncserver.NewDesktopCapturer(), vncserver.NewWindowsInputInjector(), true
}
func vncNeedsServiceMode() bool {
return vncserver.GetCurrentSessionID() == 0
}

View File

@@ -1,35 +0,0 @@
//go:build (linux && !android) || freebsd
package internal
import (
log "github.com/sirupsen/logrus"
vncserver "github.com/netbirdio/netbird/client/vnc/server"
)
func newPlatformVNC() (vncserver.ScreenCapturer, vncserver.InputInjector, bool) {
// Prefer X11 when an X server is reachable. NewX11InputInjector probes
// DISPLAY (and /proc) eagerly, so a non-nil error here means no X.
injector, err := vncserver.NewX11InputInjector("", "", "")
if err == nil {
return vncserver.NewX11Poller("", ""), injector, true
}
log.Debugf("VNC: X11 not available: %v", err)
// Fallback for headless / pre-X states (kernel console, login manager
// without X, physical server in recovery): stream the framebuffer and
// inject input via /dev/uinput.
consoleCap, consoleInj, err := newConsoleVNC()
if err == nil {
log.Infof("VNC: using framebuffer console capture (%dx%d)", consoleCap.Width(), consoleCap.Height())
return consoleCap, consoleInj, true
}
log.Debugf("VNC: framebuffer console fallback unavailable: %v", err)
return &vncserver.StubCapturer{}, &vncserver.StubInputInjector{}, false
}
func vncNeedsServiceMode() bool {
return false
}

View File

@@ -119,6 +119,10 @@ func (d *BindListener) ReadPackets() {
}
d.peerCfg.Log.Debugf("removing lazy endpoint for peer %s", d.peerCfg.PublicKey)
if err := d.wgIface.RemovePeer(d.peerCfg.PublicKey); err != nil {
d.peerCfg.Log.Errorf("failed to remove endpoint: %s", err)
}
_ = d.lazyConn.Close()
d.bind.RemoveEndpoint(d.fakeIP)
d.done.Done()

View File

@@ -120,36 +120,6 @@ func (m *influxDBMetrics) RecordSyncDuration(_ context.Context, agentInfo AgentI
m.trimLocked()
}
func (m *influxDBMetrics) RecordVNCSessionTick(_ context.Context, agentInfo AgentInfo, tick VNCSessionTick) {
tags := fmt.Sprintf("deployment_type=%s,version=%s,os=%s,arch=%s,peer_id=%s",
agentInfo.DeploymentType.String(),
agentInfo.Version,
agentInfo.OS,
agentInfo.Arch,
agentInfo.peerID,
)
m.mu.Lock()
defer m.mu.Unlock()
m.samples = append(m.samples, influxSample{
measurement: "netbird_vnc_traffic",
tags: tags,
fields: map[string]float64{
"period_seconds": tick.Period.Seconds(),
"bytes_out": float64(tick.BytesOut),
"writes": float64(tick.Writes),
"fbus": float64(tick.FBUs),
"max_fbu_bytes": float64(tick.MaxFBUBytes),
"max_fbu_rects": float64(tick.MaxFBURects),
"max_write_bytes": float64(tick.MaxWriteBytes),
"write_time_seconds": float64(tick.WriteNanos) / 1e9,
},
timestamp: time.Now(),
})
m.trimLocked()
}
func (m *influxDBMetrics) RecordLoginDuration(_ context.Context, agentInfo AgentInfo, duration time.Duration, success bool) {
result := "success"
if !success {

View File

@@ -59,11 +59,6 @@ type metricsImplementation interface {
// RecordLoginDuration records how long the login to management took
RecordLoginDuration(ctx context.Context, agentInfo AgentInfo, duration time.Duration, success bool)
// RecordVNCSessionTick records a periodic snapshot of one VNC
// session's wire activity. Called once per metricsConn tick interval
// (and once at session close), only when the tick saw activity.
RecordVNCSessionTick(ctx context.Context, agentInfo AgentInfo, tick VNCSessionTick)
// Export exports metrics in InfluxDB line protocol format
Export(w io.Writer) error
@@ -83,21 +78,6 @@ type ClientMetrics struct {
pushCancel context.CancelFunc
}
// VNCSessionTick is one sampling slice of a VNC session's wire activity.
// BytesOut / Writes / FBUs / WriteNanos are deltas observed during this
// tick; Max* fields are the high-water marks observed during the tick.
// Period is the wall-clock duration the deltas cover.
type VNCSessionTick struct {
Period time.Duration
BytesOut uint64
Writes uint64
FBUs uint64
MaxFBUBytes uint64
MaxFBURects uint64
MaxWriteBytes uint64
WriteNanos uint64
}
// ConnectionStageTimestamps holds timestamps for each connection stage
type ConnectionStageTimestamps struct {
SignalingReceived time.Time // First signal received from remote peer (both initial and reconnection)
@@ -147,17 +127,6 @@ func (c *ClientMetrics) RecordSyncDuration(ctx context.Context, duration time.Du
c.impl.RecordSyncDuration(ctx, agentInfo, duration)
}
// RecordVNCSessionTick records a periodic snapshot of one VNC session.
func (c *ClientMetrics) RecordVNCSessionTick(ctx context.Context, tick VNCSessionTick) {
if c == nil {
return
}
c.mu.RLock()
agentInfo := c.agentInfo
c.mu.RUnlock()
c.impl.RecordVNCSessionTick(ctx, agentInfo, tick)
}
// RecordLoginDuration records how long the login to management server took
func (c *ClientMetrics) RecordLoginDuration(ctx context.Context, duration time.Duration, success bool) {
if c == nil {

View File

@@ -73,9 +73,6 @@ func (m *mockMetrics) RecordSyncDuration(_ context.Context, _ AgentInfo, _ time.
func (m *mockMetrics) RecordLoginDuration(_ context.Context, _ AgentInfo, _ time.Duration, _ bool) {
}
func (m *mockMetrics) RecordVNCSessionTick(_ context.Context, _ AgentInfo, _ VNCSessionTick) {
}
func (m *mockMetrics) Export(w io.Writer) error {
if m.exportData != "" {
_, err := w.Write([]byte(m.exportData))

View File

@@ -195,14 +195,14 @@ func (h *Handshaker) sendOffer() error {
}
offer := h.buildOfferAnswer()
h.log.Debugf("sending offer with serial: %s", offer.SessionIDString())
h.log.Infof("sending offer with serial: %s", offer.SessionIDString())
return h.signaler.SignalOffer(offer, h.config.Key)
}
func (h *Handshaker) sendAnswer() error {
answer := h.buildOfferAnswer()
h.log.Debugf("sending answer with serial: %s", answer.SessionIDString())
h.log.Infof("sending answer with serial: %s", answer.SessionIDString())
return h.signaler.SignalAnswer(answer, h.config.Key)
}

View File

@@ -192,7 +192,6 @@ func (s *StatusChangeSubscription) Events() chan map[string]RouterState {
// Pure read methods take RLock; anything that mutates state takes Lock.
type Status struct {
mux sync.RWMutex
muxRelays sync.RWMutex
peers map[string]State
ipToKey map[string]string
changeNotify map[string]map[string]*StatusChangeSubscription // map[peerID]map[subscriptionID]*StatusChangeSubscription
@@ -245,8 +244,8 @@ func NewRecorder(mgmAddress string) *Status {
}
func (d *Status) SetRelayMgr(manager *relayClient.Manager) {
d.muxRelays.Lock()
defer d.muxRelays.Unlock()
d.mux.Lock()
defer d.mux.Unlock()
d.relayMgr = manager
}
@@ -907,8 +906,8 @@ func (d *Status) MarkSignalConnected() {
}
func (d *Status) UpdateRelayStates(relayResults []relay.ProbeResult) {
d.muxRelays.Lock()
defer d.muxRelays.Unlock()
d.mux.Lock()
defer d.mux.Unlock()
d.relayStates = relayResults
}
@@ -1019,26 +1018,24 @@ func (d *Status) GetSignalState() SignalState {
// GetRelayStates returns the stun/turn/permanent relay states
func (d *Status) GetRelayStates() []relay.ProbeResult {
d.muxRelays.RLock()
d.mux.RLock()
defer d.mux.RUnlock()
if d.relayMgr == nil {
defer d.muxRelays.RUnlock()
return slices.Clone(d.relayStates)
return d.relayStates
}
relayMgr := d.relayMgr
// extend the list of stun, turn servers with the relay server connections
relayStates := slices.Clone(d.relayStates)
d.muxRelays.RUnlock()
states := relayMgr.RelayStates()
states := d.relayMgr.RelayStates()
if len(states) == 0 {
// no relay connection tracked yet; surface configured servers as
// unavailable with the real reconnect error when known
err := relayClient.ErrRelayClientNotConnected
if connErr := relayMgr.RelayConnectError(); connErr != nil {
if connErr := d.relayMgr.RelayConnectError(); connErr != nil {
err = connErr
}
for _, r := range relayMgr.ServerURLs() {
for _, r := range d.relayMgr.ServerURLs() {
relayStates = append(relayStates, relay.ProbeResult{
URI: r,
Err: err,
@@ -1241,15 +1238,6 @@ func (d *Status) SubscribeToEvents() *EventSubscription {
}
}
// HasEventSubscribers reports whether any client is currently subscribed
// to the daemon's SystemEvent stream. Used by the VNC approval broker to
// fail closed when no UI is connected to prompt the user.
func (d *Status) HasEventSubscribers() bool {
d.eventMux.Lock()
defer d.eventMux.Unlock()
return len(d.eventStreams) > 0
}
// UnsubscribeFromEvents removes an event subscription
func (d *Status) UnsubscribeFromEvents(sub *EventSubscription) {
if sub == nil {

View File

@@ -70,8 +70,6 @@ type ConfigInput struct {
StateFilePath string
PreSharedKey *string
ServerSSHAllowed *bool
ServerVNCAllowed *bool
DisableVNCApproval *bool
EnableSSHRoot *bool
EnableSSHSFTP *bool
EnableSSHLocalPortForwarding *bool
@@ -127,8 +125,6 @@ type Config struct {
RosenpassEnabled bool
RosenpassPermissive bool
ServerSSHAllowed *bool
ServerVNCAllowed *bool
DisableVNCApproval *bool
EnableSSHRoot *bool
EnableSSHSFTP *bool
EnableSSHLocalPortForwarding *bool
@@ -437,7 +433,7 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
updated = true
}
if input.ServerSSHAllowed != nil && (config.ServerSSHAllowed == nil || *input.ServerSSHAllowed != *config.ServerSSHAllowed) {
if input.ServerSSHAllowed != nil && *input.ServerSSHAllowed != *config.ServerSSHAllowed {
if *input.ServerSSHAllowed {
log.Infof("enabling SSH server")
} else {
@@ -458,33 +454,6 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
updated = true
}
if input.ServerVNCAllowed != nil {
if config.ServerVNCAllowed == nil || *input.ServerVNCAllowed != *config.ServerVNCAllowed {
if *input.ServerVNCAllowed {
log.Infof("enabling VNC server")
} else {
log.Infof("disabling VNC server")
}
config.ServerVNCAllowed = input.ServerVNCAllowed
updated = true
}
} else if config.ServerVNCAllowed == nil {
config.ServerVNCAllowed = util.False()
updated = true
}
if input.DisableVNCApproval != nil {
if config.DisableVNCApproval == nil || *input.DisableVNCApproval != *config.DisableVNCApproval {
if *input.DisableVNCApproval {
log.Infof("disabling VNC connection approval prompt")
} else {
log.Infof("enabling VNC connection approval prompt")
}
config.DisableVNCApproval = input.DisableVNCApproval
updated = true
}
}
if input.EnableSSHRoot != nil && input.EnableSSHRoot != config.EnableSSHRoot {
if *input.EnableSSHRoot {
log.Infof("enabling SSH root login")

View File

@@ -242,35 +242,6 @@ func TestWireguardPortDefaultVsExplicit(t *testing.T) {
}
}
func TestUpdateConfigServerSSHAllowedNotSet(t *testing.T) {
// Configs written before ServerSSHAllowed was introduced lack the field and
// unmarshal to nil. Supplying the SSH server flag on top of such a config must
// apply the value instead of panicking on a nil pointer dereference.
tests := []struct {
name string
input *bool
want bool
}{
{"enable", util.True(), true},
{"disable", util.False(), false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
configPath := filepath.Join(t.TempDir(), "config.json")
require.NoError(t, os.WriteFile(configPath, []byte("{}"), 0600))
config, err := UpdateConfig(ConfigInput{
ConfigPath: configPath,
ServerSSHAllowed: tt.input,
})
require.NoError(t, err)
require.NotNil(t, config.ServerSSHAllowed, "ServerSSHAllowed should be set from input")
assert.Equal(t, tt.want, *config.ServerSSHAllowed)
})
}
}
func TestUpdateOldManagementURL(t *testing.T) {
origProber := newMgmProber
newMgmProber = func(_ context.Context, _ string, _ wgtypes.Key, _ bool) (mgmProber, error) {

View File

@@ -1,5 +1,3 @@
//go:build privileged
package routemanager
import (

View File

@@ -1,69 +0,0 @@
//go:build linux && !android
package systemops
import (
"fmt"
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEntryExists(t *testing.T) {
tempDir := t.TempDir()
tempFilePath := fmt.Sprintf("%s/rt_tables", tempDir)
content := []string{
"1000 reserved",
fmt.Sprintf("%d %s", NetbirdVPNTableID, NetbirdVPNTableName),
"9999 other_table",
}
require.NoError(t, os.WriteFile(tempFilePath, []byte(strings.Join(content, "\n")), 0644))
file, err := os.Open(tempFilePath)
require.NoError(t, err)
defer func() {
assert.NoError(t, file.Close())
}()
tests := []struct {
name string
id int
shouldExist bool
err error
}{
{
name: "ExistsWithNetbirdPrefix",
id: 7120,
shouldExist: true,
err: nil,
},
{
name: "ExistsWithDifferentName",
id: 1000,
shouldExist: true,
err: ErrTableIDExists,
},
{
name: "DoesNotExist",
id: 1234,
shouldExist: false,
err: nil,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
exists, err := entryExists(file, tc.id)
if tc.err != nil {
assert.ErrorIs(t, err, tc.err)
} else {
assert.NoError(t, err)
}
assert.Equal(t, tc.shouldExist, exists)
})
}
}

View File

@@ -1,191 +0,0 @@
//go:build (darwin || dragonfly || freebsd || netbsd || openbsd) && privileged
package systemops
import (
"fmt"
"net"
"net/netip"
"os/exec"
"regexp"
"runtime"
"strings"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func init() {
testCases = append(testCases, []testCase{
{
name: "To more specific route without custom dialer via vpn",
expectedInterface: expectedVPNint,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("100.64.0.1", 12345, "10.10.0.2", 53),
},
}...)
}
func TestConcurrentRoutes(t *testing.T) {
baseIP := netip.MustParseAddr("192.0.2.0")
var intf *net.Interface
var nexthop Nexthop
_, intf = setupDummyInterface(t)
nexthop = Nexthop{netip.Addr{}, intf}
r := New(nil, nil)
var wg sync.WaitGroup
for i := 0; i < 1024; i++ {
wg.Add(1)
go func(ip netip.Addr) {
defer wg.Done()
prefix := netip.PrefixFrom(ip, 32)
if err := r.addToRouteTable(prefix, nexthop); err != nil {
t.Errorf("Failed to add route for %s: %v", prefix, err)
}
}(baseIP)
baseIP = baseIP.Next()
}
wg.Wait()
baseIP = netip.MustParseAddr("192.0.2.0")
for i := 0; i < 1024; i++ {
wg.Add(1)
go func(ip netip.Addr) {
defer wg.Done()
prefix := netip.PrefixFrom(ip, 32)
if err := r.removeFromRouteTable(prefix, nexthop); err != nil {
t.Errorf("Failed to remove route for %s: %v", prefix, err)
}
}(baseIP)
baseIP = baseIP.Next()
}
wg.Wait()
}
func createAndSetupDummyInterface(t *testing.T, intf string, ipAddressCIDR string) string {
t.Helper()
if runtime.GOOS == "darwin" {
err := exec.Command("ifconfig", intf, "alias", ipAddressCIDR).Run()
require.NoError(t, err, "Failed to create loopback alias")
t.Cleanup(func() {
err := exec.Command("ifconfig", intf, ipAddressCIDR, "-alias").Run()
assert.NoError(t, err, "Failed to remove loopback alias")
})
return intf
}
prefix, err := netip.ParsePrefix(ipAddressCIDR)
require.NoError(t, err, "Failed to parse prefix")
netIntf, err := net.InterfaceByName(intf)
require.NoError(t, err, "Failed to get interface by name")
nexthop := Nexthop{netip.Addr{}, netIntf}
r := New(nil, nil)
err = r.addToRouteTable(prefix, nexthop)
require.NoError(t, err, "Failed to add route to table")
t.Cleanup(func() {
err := r.removeFromRouteTable(prefix, nexthop)
assert.NoError(t, err, "Failed to remove route from table")
})
return intf
}
func addDummyRoute(t *testing.T, dstCIDR string, gw netip.Addr, _ string) {
t.Helper()
var originalNexthop net.IP
if dstCIDR == "0.0.0.0/0" {
var err error
originalNexthop, err = fetchOriginalGateway()
if err != nil {
t.Logf("Failed to fetch original gateway: %v", err)
}
if output, err := exec.Command("route", "delete", "-net", dstCIDR).CombinedOutput(); err != nil {
t.Logf("Failed to delete route: %v, output: %s", err, output)
}
}
t.Cleanup(func() {
if originalNexthop != nil {
err := exec.Command("route", "add", "-net", dstCIDR, originalNexthop.String()).Run()
assert.NoError(t, err, "Failed to restore original route")
}
})
err := exec.Command("route", "add", "-net", dstCIDR, gw.String()).Run()
require.NoError(t, err, "Failed to add route")
t.Cleanup(func() {
err := exec.Command("route", "delete", "-net", dstCIDR).Run()
assert.NoError(t, err, "Failed to remove route")
})
}
func fetchOriginalGateway() (net.IP, error) {
output, err := exec.Command("route", "-n", "get", "default").CombinedOutput()
if err != nil {
return nil, err
}
matches := regexp.MustCompile(`gateway: (\S+)`).FindStringSubmatch(string(output))
if len(matches) == 0 {
return nil, fmt.Errorf("gateway not found")
}
return net.ParseIP(matches[1]), nil
}
// setupDummyInterface creates a dummy tun interface for FreeBSD route testing
func setupDummyInterface(t *testing.T) (netip.Addr, *net.Interface) {
t.Helper()
if runtime.GOOS == "darwin" {
return netip.AddrFrom4([4]byte{192, 168, 1, 2}), &net.Interface{Name: "lo0"}
}
output, err := exec.Command("ifconfig", "tun", "create").CombinedOutput()
require.NoError(t, err, "Failed to create tun interface: %s", string(output))
tunName := strings.TrimSpace(string(output))
output, err = exec.Command("ifconfig", tunName, "192.168.1.1", "netmask", "255.255.0.0", "192.168.1.2", "up").CombinedOutput()
require.NoError(t, err, "Failed to configure tun interface: %s", string(output))
intf, err := net.InterfaceByName(tunName)
require.NoError(t, err, "Failed to get interface by name")
t.Cleanup(func() {
if err := exec.Command("ifconfig", tunName, "destroy").Run(); err != nil {
t.Logf("Failed to destroy tun interface %s: %v", tunName, err)
}
})
return netip.AddrFrom4([4]byte{192, 168, 1, 2}), intf
}
func setupDummyInterfacesAndRoutes(t *testing.T) {
t.Helper()
defaultDummy := createAndSetupDummyInterface(t, expectedExternalInt, "192.168.0.1/24")
addDummyRoute(t, "0.0.0.0/0", netip.AddrFrom4([4]byte{192, 168, 0, 1}), defaultDummy)
otherDummy := createAndSetupDummyInterface(t, expectedInternalInt, "192.168.1.1/24")
addDummyRoute(t, "10.0.0.0/8", netip.AddrFrom4([4]byte{192, 168, 1, 1}), otherDummy)
}

View File

@@ -3,24 +3,79 @@
package systemops
import (
"fmt"
"net"
"net/netip"
"os/exec"
"regexp"
"runtime"
"strings"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/net/route"
)
// Interface names used by the shared routing test fixtures. Kept untagged (no
// privileged build tag) so the non-privileged test files in this package compile.
//
//nolint:unused // consumed by the privileged-tagged routing tests
var expectedVPNint = "utun100"
//nolint:unused // consumed by the privileged-tagged routing tests
var expectedExternalInt = "lo0"
//nolint:unused // consumed by the privileged-tagged routing tests
var expectedInternalInt = "lo0"
func init() {
testCases = append(testCases, []testCase{
{
name: "To more specific route without custom dialer via vpn",
expectedInterface: expectedVPNint,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("100.64.0.1", 12345, "10.10.0.2", 53),
},
}...)
}
func TestConcurrentRoutes(t *testing.T) {
baseIP := netip.MustParseAddr("192.0.2.0")
var intf *net.Interface
var nexthop Nexthop
_, intf = setupDummyInterface(t)
nexthop = Nexthop{netip.Addr{}, intf}
r := New(nil, nil)
var wg sync.WaitGroup
for i := 0; i < 1024; i++ {
wg.Add(1)
go func(ip netip.Addr) {
defer wg.Done()
prefix := netip.PrefixFrom(ip, 32)
if err := r.addToRouteTable(prefix, nexthop); err != nil {
t.Errorf("Failed to add route for %s: %v", prefix, err)
}
}(baseIP)
baseIP = baseIP.Next()
}
wg.Wait()
baseIP = netip.MustParseAddr("192.0.2.0")
for i := 0; i < 1024; i++ {
wg.Add(1)
go func(ip netip.Addr) {
defer wg.Done()
prefix := netip.PrefixFrom(ip, 32)
if err := r.removeFromRouteTable(prefix, nexthop); err != nil {
t.Errorf("Failed to remove route for %s: %v", prefix, err)
}
}(baseIP)
baseIP = baseIP.Next()
}
wg.Wait()
}
func TestBits(t *testing.T) {
tests := []struct {
name string
@@ -67,3 +122,122 @@ func TestBits(t *testing.T) {
})
}
}
func createAndSetupDummyInterface(t *testing.T, intf string, ipAddressCIDR string) string {
t.Helper()
if runtime.GOOS == "darwin" {
err := exec.Command("ifconfig", intf, "alias", ipAddressCIDR).Run()
require.NoError(t, err, "Failed to create loopback alias")
t.Cleanup(func() {
err := exec.Command("ifconfig", intf, ipAddressCIDR, "-alias").Run()
assert.NoError(t, err, "Failed to remove loopback alias")
})
return intf
}
prefix, err := netip.ParsePrefix(ipAddressCIDR)
require.NoError(t, err, "Failed to parse prefix")
netIntf, err := net.InterfaceByName(intf)
require.NoError(t, err, "Failed to get interface by name")
nexthop := Nexthop{netip.Addr{}, netIntf}
r := New(nil, nil)
err = r.addToRouteTable(prefix, nexthop)
require.NoError(t, err, "Failed to add route to table")
t.Cleanup(func() {
err := r.removeFromRouteTable(prefix, nexthop)
assert.NoError(t, err, "Failed to remove route from table")
})
return intf
}
func addDummyRoute(t *testing.T, dstCIDR string, gw netip.Addr, _ string) {
t.Helper()
var originalNexthop net.IP
if dstCIDR == "0.0.0.0/0" {
var err error
originalNexthop, err = fetchOriginalGateway()
if err != nil {
t.Logf("Failed to fetch original gateway: %v", err)
}
if output, err := exec.Command("route", "delete", "-net", dstCIDR).CombinedOutput(); err != nil {
t.Logf("Failed to delete route: %v, output: %s", err, output)
}
}
t.Cleanup(func() {
if originalNexthop != nil {
err := exec.Command("route", "add", "-net", dstCIDR, originalNexthop.String()).Run()
assert.NoError(t, err, "Failed to restore original route")
}
})
err := exec.Command("route", "add", "-net", dstCIDR, gw.String()).Run()
require.NoError(t, err, "Failed to add route")
t.Cleanup(func() {
err := exec.Command("route", "delete", "-net", dstCIDR).Run()
assert.NoError(t, err, "Failed to remove route")
})
}
func fetchOriginalGateway() (net.IP, error) {
output, err := exec.Command("route", "-n", "get", "default").CombinedOutput()
if err != nil {
return nil, err
}
matches := regexp.MustCompile(`gateway: (\S+)`).FindStringSubmatch(string(output))
if len(matches) == 0 {
return nil, fmt.Errorf("gateway not found")
}
return net.ParseIP(matches[1]), nil
}
// setupDummyInterface creates a dummy tun interface for FreeBSD route testing
func setupDummyInterface(t *testing.T) (netip.Addr, *net.Interface) {
t.Helper()
if runtime.GOOS == "darwin" {
return netip.AddrFrom4([4]byte{192, 168, 1, 2}), &net.Interface{Name: "lo0"}
}
output, err := exec.Command("ifconfig", "tun", "create").CombinedOutput()
require.NoError(t, err, "Failed to create tun interface: %s", string(output))
tunName := strings.TrimSpace(string(output))
output, err = exec.Command("ifconfig", tunName, "192.168.1.1", "netmask", "255.255.0.0", "192.168.1.2", "up").CombinedOutput()
require.NoError(t, err, "Failed to configure tun interface: %s", string(output))
intf, err := net.InterfaceByName(tunName)
require.NoError(t, err, "Failed to get interface by name")
t.Cleanup(func() {
if err := exec.Command("ifconfig", tunName, "destroy").Run(); err != nil {
t.Logf("Failed to destroy tun interface %s: %v", tunName, err)
}
})
return netip.AddrFrom4([4]byte{192, 168, 1, 2}), intf
}
func setupDummyInterfacesAndRoutes(t *testing.T) {
t.Helper()
defaultDummy := createAndSetupDummyInterface(t, expectedExternalInt, "192.168.0.1/24")
addDummyRoute(t, "0.0.0.0/0", netip.AddrFrom4([4]byte{192, 168, 0, 1}), defaultDummy)
otherDummy := createAndSetupDummyInterface(t, expectedInternalInt, "192.168.1.1/24")
addDummyRoute(t, "10.0.0.0/8", netip.AddrFrom4([4]byte{192, 168, 1, 1}), otherDummy)
}

View File

@@ -1,17 +0,0 @@
//go:build !android && !ios
package systemops
import (
"context"
"net"
)
// dialer is shared by the per-platform routing test cases. Kept untagged (no
// privileged build tag) so the non-privileged test files compile on every platform.
//
//nolint:unused // consumed by the privileged-tagged routing tests
type dialer interface {
Dial(network, address string) (net.Conn, error)
DialContext(ctx context.Context, network, address string) (net.Conn, error)
}

View File

@@ -1,4 +1,4 @@
//go:build !android && !ios && privileged
//go:build !android && !ios
package systemops
@@ -26,6 +26,11 @@ import (
nbnet "github.com/netbirdio/netbird/client/net"
)
type dialer interface {
Dial(network, address string) (net.Conn, error)
DialContext(ctx context.Context, network, address string) (net.Conn, error)
}
func TestAddVPNRoute(t *testing.T) {
testCases := []struct {
name string
@@ -510,3 +515,125 @@ func setupTestEnv(t *testing.T) {
// unique route in vpn table
setupRouteAndCleanup(t, r, netip.MustParsePrefix("172.16.0.0/12"), intf)
}
func TestIsVpnRoute(t *testing.T) {
tests := []struct {
name string
addr string
vpnRoutes []string
localRoutes []string
expectedVpn bool
expectedPrefix netip.Prefix
}{
{
name: "Match in VPN routes",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Match in local routes",
addr: "10.1.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("10.0.0.0/8"),
},
{
name: "No match",
addr: "172.16.0.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: false,
expectedPrefix: netip.Prefix{},
},
{
name: "Default route ignored",
addr: "192.168.1.1",
vpnRoutes: []string{"0.0.0.0/0", "192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Default route matches but ignored",
addr: "172.16.1.1",
vpnRoutes: []string{"0.0.0.0/0", "192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: false,
expectedPrefix: netip.Prefix{},
},
{
name: "Longest prefix match local",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.0.0/16"},
localRoutes: []string{"192.168.1.0/24"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Longest prefix match local multiple",
addr: "192.168.0.1",
vpnRoutes: []string{"192.168.0.0/16", "192.168.0.0/25", "192.168.0.0/27"},
localRoutes: []string{"192.168.0.0/24", "192.168.0.0/26", "192.168.0.0/28"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("192.168.0.0/28"),
},
{
name: "Longest prefix match vpn",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"192.168.0.0/16"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Longest prefix match vpn multiple",
addr: "192.168.0.1",
vpnRoutes: []string{"192.168.0.0/16", "192.168.0.0/25", "192.168.0.0/27"},
localRoutes: []string{"192.168.0.0/24", "192.168.0.0/26"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.0.0/27"),
},
{
name: "Duplicate prefix in both",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"192.168.1.0/24"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
addr, err := netip.ParseAddr(tt.addr)
if err != nil {
t.Fatalf("Failed to parse address %s: %v", tt.addr, err)
}
var vpnRoutes, localRoutes []netip.Prefix
for _, route := range tt.vpnRoutes {
prefix, err := netip.ParsePrefix(route)
if err != nil {
t.Fatalf("Failed to parse VPN route %s: %v", route, err)
}
vpnRoutes = append(vpnRoutes, prefix)
}
for _, route := range tt.localRoutes {
prefix, err := netip.ParsePrefix(route)
if err != nil {
t.Fatalf("Failed to parse local route %s: %v", route, err)
}
localRoutes = append(localRoutes, prefix)
}
isVpn, matchedPrefix := isVpnRoute(addr, vpnRoutes, localRoutes)
assert.Equal(t, tt.expectedVpn, isVpn, "isVpnRoute should return expectedVpn value")
assert.Equal(t, tt.expectedPrefix, matchedPrefix, "isVpnRoute should return expectedVpn prefix")
})
}
}

View File

@@ -1,132 +0,0 @@
//go:build !android && !ios
package systemops
import (
"net/netip"
"testing"
"github.com/stretchr/testify/assert"
)
func TestIsVpnRoute(t *testing.T) {
tests := []struct {
name string
addr string
vpnRoutes []string
localRoutes []string
expectedVpn bool
expectedPrefix netip.Prefix
}{
{
name: "Match in VPN routes",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Match in local routes",
addr: "10.1.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("10.0.0.0/8"),
},
{
name: "No match",
addr: "172.16.0.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: false,
expectedPrefix: netip.Prefix{},
},
{
name: "Default route ignored",
addr: "192.168.1.1",
vpnRoutes: []string{"0.0.0.0/0", "192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Default route matches but ignored",
addr: "172.16.1.1",
vpnRoutes: []string{"0.0.0.0/0", "192.168.1.0/24"},
localRoutes: []string{"10.0.0.0/8"},
expectedVpn: false,
expectedPrefix: netip.Prefix{},
},
{
name: "Longest prefix match local",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.0.0/16"},
localRoutes: []string{"192.168.1.0/24"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Longest prefix match local multiple",
addr: "192.168.0.1",
vpnRoutes: []string{"192.168.0.0/16", "192.168.0.0/25", "192.168.0.0/27"},
localRoutes: []string{"192.168.0.0/24", "192.168.0.0/26", "192.168.0.0/28"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("192.168.0.0/28"),
},
{
name: "Longest prefix match vpn",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"192.168.0.0/16"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
{
name: "Longest prefix match vpn multiple",
addr: "192.168.0.1",
vpnRoutes: []string{"192.168.0.0/16", "192.168.0.0/25", "192.168.0.0/27"},
localRoutes: []string{"192.168.0.0/24", "192.168.0.0/26"},
expectedVpn: true,
expectedPrefix: netip.MustParsePrefix("192.168.0.0/27"),
},
{
name: "Duplicate prefix in both",
addr: "192.168.1.1",
vpnRoutes: []string{"192.168.1.0/24"},
localRoutes: []string{"192.168.1.0/24"},
expectedVpn: false,
expectedPrefix: netip.MustParsePrefix("192.168.1.0/24"),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
addr, err := netip.ParseAddr(tt.addr)
if err != nil {
t.Fatalf("Failed to parse address %s: %v", tt.addr, err)
}
var vpnRoutes, localRoutes []netip.Prefix
for _, route := range tt.vpnRoutes {
prefix, err := netip.ParsePrefix(route)
if err != nil {
t.Fatalf("Failed to parse VPN route %s: %v", route, err)
}
vpnRoutes = append(vpnRoutes, prefix)
}
for _, route := range tt.localRoutes {
prefix, err := netip.ParsePrefix(route)
if err != nil {
t.Fatalf("Failed to parse local route %s: %v", route, err)
}
localRoutes = append(localRoutes, prefix)
}
isVpn, matchedPrefix := isVpnRoute(addr, vpnRoutes, localRoutes)
assert.Equal(t, tt.expectedVpn, isVpn, "isVpnRoute should return expectedVpn value")
assert.Equal(t, tt.expectedPrefix, matchedPrefix, "isVpnRoute should return expectedVpn prefix")
})
}
}

View File

@@ -1,10 +1,13 @@
//go:build linux && !android && privileged
//go:build !android
package systemops
import (
"errors"
"fmt"
"net"
"os"
"strings"
"syscall"
"testing"
@@ -15,6 +18,10 @@ import (
"github.com/netbirdio/netbird/client/internal/routemanager/vars"
)
var expectedVPNint = "wgtest0"
var expectedExternalInt = "dummyext0"
var expectedInternalInt = "dummyint0"
func init() {
testCases = append(testCases, []testCase{
{
@@ -26,6 +33,62 @@ func init() {
}...)
}
func TestEntryExists(t *testing.T) {
tempDir := t.TempDir()
tempFilePath := fmt.Sprintf("%s/rt_tables", tempDir)
content := []string{
"1000 reserved",
fmt.Sprintf("%d %s", NetbirdVPNTableID, NetbirdVPNTableName),
"9999 other_table",
}
require.NoError(t, os.WriteFile(tempFilePath, []byte(strings.Join(content, "\n")), 0644))
file, err := os.Open(tempFilePath)
require.NoError(t, err)
defer func() {
assert.NoError(t, file.Close())
}()
tests := []struct {
name string
id int
shouldExist bool
err error
}{
{
name: "ExistsWithNetbirdPrefix",
id: 7120,
shouldExist: true,
err: nil,
},
{
name: "ExistsWithDifferentName",
id: 1000,
shouldExist: true,
err: ErrTableIDExists,
},
{
name: "DoesNotExist",
id: 1234,
shouldExist: false,
err: nil,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
exists, err := entryExists(file, tc.id)
if tc.err != nil {
assert.ErrorIs(t, err, tc.err)
} else {
assert.NoError(t, err)
}
assert.Equal(t, tc.shouldExist, exists)
})
}
}
func createAndSetupDummyInterface(t *testing.T, interfaceName, ipAddressCIDR string) string {
t.Helper()

View File

@@ -1,15 +0,0 @@
//go:build linux && !android
package systemops
// Interface names used by the shared routing test fixtures. Kept untagged (no
// privileged build tag) so the non-privileged test files in this package compile.
//
//nolint:unused // consumed by the privileged-tagged routing tests
var expectedVPNint = "wgtest0"
//nolint:unused // consumed by the privileged-tagged routing tests
var expectedExternalInt = "dummyext0"
//nolint:unused // consumed by the privileged-tagged routing tests
var expectedInternalInt = "dummyint0"

View File

@@ -1,83 +0,0 @@
//go:build (linux && !android) || (darwin && !ios) || freebsd || openbsd || netbsd || dragonfly
package systemops
import (
"net"
nbnet "github.com/netbirdio/netbird/client/net"
)
// Shared, non-privileged routing test fixtures. The privileged TestRouting (and its
// per-platform init() appenders) consume these; they live here so the unprivileged
// BSD/darwin test files compile without the privileged build tag.
type PacketExpectation struct {
SrcIP net.IP
DstIP net.IP
SrcPort int
DstPort int
UDP bool
TCP bool
}
//nolint:unused // consumed by the privileged-tagged routing tests
type testCase struct {
name string
expectedInterface string
dialer dialer
expectedPacket PacketExpectation
}
//nolint:unused // consumed by the privileged-tagged routing tests
var testCases = []testCase{
{
name: "To external host without custom dialer via vpn",
expectedInterface: expectedVPNint,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("100.64.0.1", 12345, "192.0.2.1", 53),
},
{
name: "To external host with custom dialer via physical interface",
expectedInterface: expectedExternalInt,
dialer: nbnet.NewDialer(),
expectedPacket: createPacketExpectation("192.168.0.1", 12345, "192.0.2.1", 53),
},
{
name: "To duplicate internal route with custom dialer via physical interface",
expectedInterface: expectedInternalInt,
dialer: nbnet.NewDialer(),
expectedPacket: createPacketExpectation("192.168.1.1", 12345, "10.0.0.2", 53),
},
{
name: "To duplicate internal route without custom dialer via physical interface", // local route takes precedence
expectedInterface: expectedInternalInt,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("192.168.1.1", 12345, "10.0.0.2", 53),
},
{
name: "To unique vpn route with custom dialer via physical interface",
expectedInterface: expectedExternalInt,
dialer: nbnet.NewDialer(),
expectedPacket: createPacketExpectation("192.168.0.1", 12345, "172.16.0.2", 53),
},
{
name: "To unique vpn route without custom dialer via vpn",
expectedInterface: expectedVPNint,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("100.64.0.1", 12345, "172.16.0.2", 53),
},
}
//nolint:unused // consumed by the privileged-tagged routing tests
func createPacketExpectation(srcIP string, srcPort int, dstIP string, dstPort int) PacketExpectation {
return PacketExpectation{
SrcIP: net.ParseIP(srcIP),
DstIP: net.ParseIP(dstIP),
SrcPort: srcPort,
DstPort: dstPort,
UDP: true,
}
}

View File

@@ -1,4 +1,4 @@
//go:build ((linux && !android) || (darwin && !ios) || freebsd || openbsd || netbsd || dragonfly) && privileged
//go:build (linux && !android) || (darwin && !ios) || freebsd || openbsd || netbsd || dragonfly
package systemops
@@ -20,6 +20,63 @@ import (
nbnet "github.com/netbirdio/netbird/client/net"
)
type PacketExpectation struct {
SrcIP net.IP
DstIP net.IP
SrcPort int
DstPort int
UDP bool
TCP bool
}
type testCase struct {
name string
expectedInterface string
dialer dialer
expectedPacket PacketExpectation
}
var testCases = []testCase{
{
name: "To external host without custom dialer via vpn",
expectedInterface: expectedVPNint,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("100.64.0.1", 12345, "192.0.2.1", 53),
},
{
name: "To external host with custom dialer via physical interface",
expectedInterface: expectedExternalInt,
dialer: nbnet.NewDialer(),
expectedPacket: createPacketExpectation("192.168.0.1", 12345, "192.0.2.1", 53),
},
{
name: "To duplicate internal route with custom dialer via physical interface",
expectedInterface: expectedInternalInt,
dialer: nbnet.NewDialer(),
expectedPacket: createPacketExpectation("192.168.1.1", 12345, "10.0.0.2", 53),
},
{
name: "To duplicate internal route without custom dialer via physical interface", // local route takes precedence
expectedInterface: expectedInternalInt,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("192.168.1.1", 12345, "10.0.0.2", 53),
},
{
name: "To unique vpn route with custom dialer via physical interface",
expectedInterface: expectedExternalInt,
dialer: nbnet.NewDialer(),
expectedPacket: createPacketExpectation("192.168.0.1", 12345, "172.16.0.2", 53),
},
{
name: "To unique vpn route without custom dialer via vpn",
expectedInterface: expectedVPNint,
dialer: &net.Dialer{},
expectedPacket: createPacketExpectation("100.64.0.1", 12345, "172.16.0.2", 53),
},
}
func TestRouting(t *testing.T) {
nbnet.Init()
for _, tc := range testCases {
@@ -45,6 +102,16 @@ func TestRouting(t *testing.T) {
}
}
func createPacketExpectation(srcIP string, srcPort int, dstIP string, dstPort int) PacketExpectation {
return PacketExpectation{
SrcIP: net.ParseIP(srcIP),
DstIP: net.ParseIP(dstIP),
SrcPort: srcPort,
DstPort: dstPort,
UDP: true,
}
}
func startPacketCapture(t *testing.T, intf, filter string) *pcap.Handle {
t.Helper()

View File

@@ -1,5 +1,3 @@
//go:build windows && privileged
package systemops
import (

View File

@@ -11,8 +11,6 @@ import (
// ensureIPv6DefaultRoute installs an IPv6 default route via the loopback
// interface so route lookups for global IPv6 prefixes resolve in environments
// without v6 connectivity. If a default already exists it is left alone.
//
//nolint:unused // consumed by the privileged-tagged routing tests
func ensureIPv6DefaultRoute(t *testing.T) {
t.Helper()

View File

@@ -1,4 +1,4 @@
//go:build linux && !android && privileged
//go:build linux && !android
package systemops

View File

@@ -8,14 +8,11 @@ import (
"testing"
)
//nolint:unused // consumed by the privileged-tagged routing tests
const loopbackIfaceWindows = "Loopback Pseudo-Interface 1"
// ensureIPv6DefaultRoute installs an IPv6 default route via the loopback
// interface so route lookups for global IPv6 prefixes resolve in environments
// without v6 connectivity. If a default already exists it is left alone.
//
//nolint:unused // consumed by the privileged-tagged routing tests
func ensureIPv6DefaultRoute(t *testing.T) {
t.Helper()

View File

@@ -74,14 +74,6 @@ func New(filePath string) *Manager {
}
}
// FilePath returns the path of the underlying state file.
func (m *Manager) FilePath() string {
if m == nil {
return ""
}
return m.filePath
}
// Start starts the state manager periodic save routine
func (m *Manager) Start() {
if m == nil {

View File

@@ -0,0 +1,294 @@
//go:build ios
package NetBirdSDK
import (
"fmt"
"os"
"path/filepath"
"strings"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/internal/profilemanager"
)
// iOS profile storage layout (mirrors the Android layout so the shared
// profilemanager.ServiceManager behaves identically on both platforms):
//
// <container>/ ← configDir parameter (App Group root)
// ├── netbird.cfg ← default profile config
// ├── state.json ← default profile state
// ├── active_profile.json ← active profile tracker {"name": <id>, "username": "ios"}
// └── profiles/ ← non-default profiles
// ├── <id>.json ← profile config (holds the display "Name")
// └── <id>.state.json ← profile state
//
// The ProfileLayoutMigration in NetbirdKit moves the legacy directory-per-name
// layout into this shape before NewProfileManager ever runs.
const (
// iosDefaultConfigFilename is the default profile config name. Must match
// GlobalConstants.configFileName on the Swift side ("netbird.cfg").
iosDefaultConfigFilename = "netbird.cfg"
// iosDefaultStateFilename is the default profile state name. Must match
// GlobalConstants.stateFileName on the Swift side ("state.json").
iosDefaultStateFilename = "state.json"
// iosProfilesSubdir holds non-default profile files.
iosProfilesSubdir = "profiles"
// iosUsername is the single user context the app runs under. The value is
// written into active_profile.json's "username" field and is required to be
// non-empty for non-default profiles by ServiceManager.SetActiveProfileState.
// Must match the value the migration writes ("ios").
iosUsername = "ios"
)
// Profile represents a profile for gomobile. gomobile exposes the exported
// fields as id_/name/isActive on the Swift side.
type Profile struct {
ID string
Name string
IsActive bool
}
// ProfileArray wraps a profile slice for gomobile (which cannot bind Go slices
// directly; callers iterate with Length()/Get()).
type ProfileArray struct {
items []*Profile
}
// Length returns the number of profiles.
func (p *ProfileArray) Length() int {
return len(p.items)
}
// Get returns the profile at index i, or nil if i is out of range.
func (p *ProfileArray) Get(i int) *Profile {
if i < 0 || i >= len(p.items) {
return nil
}
return p.items[i]
}
// ProfileManager manages profiles for iOS. It wraps the internal
// profilemanager.ServiceManager, which owns all profile identity (the on-disk
// filename is the ID, the display name lives inside the config JSON).
type ProfileManager struct {
configDir string
serviceMgr *profilemanager.ServiceManager
}
// NewProfileManager creates a profile manager rooted at configDir (the App
// Group shared container). gomobile maps this to a nullable Swift initializer.
func NewProfileManager(configDir string) *ProfileManager {
defaultConfigPath := filepath.Join(configDir, iosDefaultConfigFilename)
// Point the package-level paths at the iOS container. The default profile
// lives in the root configDir (not under profiles/).
profilemanager.DefaultConfigPathDir = configDir
profilemanager.DefaultConfigPath = defaultConfigPath
profilemanager.ActiveProfileStatePath = filepath.Join(configDir, "active_profile.json")
// A fixed profiles directory avoids mutating the global ConfigDirOverride;
// the ServiceManager then ignores the username when resolving the directory.
profilesDir := filepath.Join(configDir, iosProfilesSubdir)
serviceMgr := profilemanager.NewServiceManagerWithProfilesDir(defaultConfigPath, profilesDir)
return &ProfileManager{
configDir: configDir,
serviceMgr: serviceMgr,
}
}
// ListProfiles returns all available profiles, including the default, with
// their active status and resolved display names.
func (pm *ProfileManager) ListProfiles() (*ProfileArray, error) {
internalProfiles, err := pm.serviceMgr.ListProfiles(iosUsername)
if err != nil {
return nil, fmt.Errorf("failed to list profiles: %w", err)
}
var profiles []*Profile
for _, p := range internalProfiles {
profiles = append(profiles, &Profile{
ID: p.ID.String(),
Name: p.Name,
IsActive: p.IsActive,
})
}
return &ProfileArray{items: profiles}, nil
}
// GetActiveProfile returns the currently active profile with its display name
// resolved. ActiveProfileState only records the ID, so the ID is resolved to a
// full profile to recover the Name.
func (pm *ProfileManager) GetActiveProfile() (*Profile, error) {
activeState, err := pm.serviceMgr.GetActiveProfileState()
if err != nil {
return nil, fmt.Errorf("failed to get active profile: %w", err)
}
prof, err := pm.serviceMgr.ResolveProfile(activeState.ID.String(), iosUsername)
if err != nil {
return nil, fmt.Errorf("failed to resolve active profile %q: %w", activeState.ID, err)
}
return &Profile{ID: prof.ID.String(), Name: prof.Name, IsActive: true}, nil
}
// AddProfile creates a new profile with displayName and returns it. The
// returned profile carries the freshly generated ID, which callers must use
// for all follow-up operations (the ID is NOT the display name).
func (pm *ProfileManager) AddProfile(displayName string) (*Profile, error) {
prof, err := pm.serviceMgr.AddProfile(displayName, iosUsername)
if err != nil {
return nil, fmt.Errorf("failed to add profile: %w", err)
}
log.Infof("created new profile: %s", prof.ID)
return &Profile{ID: prof.ID.String(), Name: prof.Name, IsActive: false}, nil
}
// SwitchProfile records the given profile ID as the active profile. Callers
// must stop the VPN before switching.
func (pm *ProfileManager) SwitchProfile(id string) error {
if err := pm.serviceMgr.SetActiveProfileState(&profilemanager.ActiveProfileState{
ID: profilemanager.ID(id),
Username: iosUsername,
}); err != nil {
return fmt.Errorf("failed to switch profile: %w", err)
}
log.Infof("switched to profile: %s", id)
return nil
}
// RenameProfile changes a profile's display name. The on-disk ID (filename) is
// unchanged. There is no ServiceManager rename, so this edits the Name field of
// the config JSON in place.
func (pm *ProfileManager) RenameProfile(id, newName string) error {
if id == profilemanager.DefaultProfileName {
return fmt.Errorf("cannot rename the default profile")
}
if !profilemanager.IsValidProfileFilenameStem(profilemanager.ID(id)) {
return fmt.Errorf("invalid profile ID: %q", id)
}
newName = strings.TrimSpace(newName)
if newName == "" {
return fmt.Errorf("profile name must not be empty")
}
if newName == profilemanager.DefaultProfileName {
return fmt.Errorf("cannot use reserved profile name: %s", profilemanager.DefaultProfileName)
}
configPath, err := pm.getProfileConfigPath(id)
if err != nil {
return err
}
if _, err := os.Stat(configPath); os.IsNotExist(err) {
return fmt.Errorf("profile %q does not exist", id)
}
config, err := profilemanager.ReadConfig(configPath)
if err != nil {
return fmt.Errorf("failed to read profile config: %w", err)
}
config.Name = newName
if err := profilemanager.WriteOutConfig(configPath, config); err != nil {
return fmt.Errorf("failed to write profile config: %w", err)
}
log.Infof("renamed profile %q to %q", id, newName)
return nil
}
// RemoveProfile deletes a profile. The default and the active profile cannot be
// removed.
func (pm *ProfileManager) RemoveProfile(id string) error {
if err := pm.serviceMgr.RemoveProfile(profilemanager.ID(id), iosUsername); err != nil {
return fmt.Errorf("failed to remove profile: %w", err)
}
log.Infof("removed profile: %s", id)
return nil
}
// LogoutProfile clears a profile's authentication (private key and SSH key),
// forcing re-login. The management URL is preserved in the config.
func (pm *ProfileManager) LogoutProfile(id string) error {
if !profilemanager.IsValidProfileFilenameStem(profilemanager.ID(id)) {
return fmt.Errorf("invalid profile ID: %q", id)
}
configPath, err := pm.getProfileConfigPath(id)
if err != nil {
return err
}
if _, err := os.Stat(configPath); os.IsNotExist(err) {
return fmt.Errorf("profile %q does not exist", id)
}
config, err := profilemanager.ReadConfig(configPath)
if err != nil {
return fmt.Errorf("failed to read profile config: %w", err)
}
config.PrivateKey = ""
config.SSHKey = ""
if err := profilemanager.WriteOutConfig(configPath, config); err != nil {
return fmt.Errorf("failed to save config: %w", err)
}
log.Infof("logged out from profile: %s", id)
return nil
}
// GetConfigPath returns the config file path for a given profile ID.
func (pm *ProfileManager) GetConfigPath(id string) (string, error) {
return pm.getProfileConfigPath(id)
}
// GetStateFilePath returns the state file path for a given profile ID.
func (pm *ProfileManager) GetStateFilePath(id string) (string, error) {
if id == "" || id == profilemanager.DefaultProfileName {
return filepath.Join(pm.configDir, iosDefaultStateFilename), nil
}
profilesDir := filepath.Join(pm.configDir, iosProfilesSubdir)
return filepath.Join(profilesDir, id+".state.json"), nil
}
// GetActiveConfigPath returns the config file path for the active profile.
func (pm *ProfileManager) GetActiveConfigPath() (string, error) {
activeProfile, err := pm.GetActiveProfile()
if err != nil {
return "", fmt.Errorf("failed to get active profile: %w", err)
}
return pm.GetConfigPath(activeProfile.ID)
}
// GetActiveStateFilePath returns the state file path for the active profile.
func (pm *ProfileManager) GetActiveStateFilePath() (string, error) {
activeProfile, err := pm.GetActiveProfile()
if err != nil {
return "", fmt.Errorf("failed to get active profile: %w", err)
}
return pm.GetStateFilePath(activeProfile.ID)
}
// getProfileConfigPath returns the config file path for a profile ID. The
// default profile lives in the root configDir as netbird.cfg; everything else
// lives under profiles/ as <id>.json.
func (pm *ProfileManager) getProfileConfigPath(id string) (string, error) {
if id == "" || id == profilemanager.DefaultProfileName {
return filepath.Join(pm.configDir, iosDefaultConfigFilename), nil
}
profilesDir := filepath.Join(pm.configDir, iosProfilesSubdir)
return filepath.Join(profilesDir, id+".json"), nil
}

File diff suppressed because it is too large Load Diff

View File

@@ -121,14 +121,6 @@ service DaemonService {
// ExposeService exposes a local port via the NetBird reverse proxy
rpc ExposeService(ExposeServiceRequest) returns (stream ExposeServiceEvent) {}
// RespondApproval delivers the user's accept/deny decision for a
// pending user-approval prompt. The daemon pushes the prompt as a
// SystemEvent with category APPROVAL and metadata key "request_id";
// the UI calls this RPC with the same request_id to unblock whichever
// subsystem (VNC, SSH, ...) is waiting. The "kind" metadata key tells
// the UI which subsystem the prompt belongs to.
rpc RespondApproval(RespondApprovalRequest) returns (RespondApprovalResponse) {}
}
@@ -215,10 +207,6 @@ message LoginRequest {
optional bool disableSSHAuth = 38;
optional int32 sshJWTCacheTTL = 39;
optional bool disable_ipv6 = 40;
optional bool serverVNCAllowed = 41;
optional bool disableVNCApproval = 42;
}
message LoginResponse {
@@ -329,16 +317,12 @@ message GetConfigResponse {
bool disable_ipv6 = 27;
bool serverVNCAllowed = 28;
bool disableVNCApproval = 29;
// mDMManagedFields lists the names of configuration keys whose value is
// currently enforced by an MDM policy. Names match mdm.Key* constants
// (e.g. "managementURL", "disableClientRoutes"). UI/CLI clients should
// render the corresponding inputs as read-only and display a "managed
// by MDM" indicator.
repeated string mDMManagedFields = 30;
repeated string mDMManagedFields = 28;
}
// PeerState contains the latest state of a peer
@@ -423,25 +407,6 @@ message SSHServerState {
repeated SSHSessionInfo sessions = 2;
}
// VNCSessionInfo contains information about an active VNC session
message VNCSessionInfo {
string remoteAddress = 1;
string mode = 2;
string username = 3;
// userID is the Noise-verified session identity (hashed user ID from
// the ACL session-key entry), empty when auth is disabled.
string userID = 4;
// initiator is the human-readable display name of the dashboard user
// who minted the SessionPubKey, when known.
string initiator = 5;
}
// VNCServerState contains the latest state of the VNC server
message VNCServerState {
bool enabled = 1;
repeated VNCSessionInfo sessions = 2;
}
// FullStatus contains the full state held by the Status instance
message FullStatus {
ManagementState managementState = 1;
@@ -456,7 +421,6 @@ message FullStatus {
bool lazyConnectionEnabled = 9;
SSHServerState sshServerState = 10;
VNCServerState vncServerState = 11;
}
// Networks
@@ -645,7 +609,6 @@ message SystemEvent {
AUTHENTICATION = 2;
CONNECTIVITY = 3;
SYSTEM = 4;
APPROVAL = 5;
}
string id = 1;
@@ -736,10 +699,6 @@ message SetConfigRequest {
optional bool disableSSHAuth = 33;
optional int32 sshJWTCacheTTL = 34;
optional bool disable_ipv6 = 35;
optional bool serverVNCAllowed = 36;
optional bool disableVNCApproval = 37;
}
message SetConfigResponse{}
@@ -970,18 +929,3 @@ message StartBundleCaptureRequest {
message StartBundleCaptureResponse {}
message StopBundleCaptureRequest {}
message StopBundleCaptureResponse {}
message RespondApprovalRequest {
// request_id matches the SystemEvent metadata key emitted by the daemon
// when a subsystem awaits user approval for an inbound connection.
string request_id = 1;
// accept is true if the user approved the request, false if they
// denied it. A missing or unknown request_id is treated as a no-op.
bool accept = 2;
// view_only signals that the user granted the connection but withheld
// input control. Only meaningful when accept is true; ignored when
// accept is false.
bool view_only = 3;
}
message RespondApprovalResponse {}

View File

@@ -59,7 +59,6 @@ const (
DaemonService_StopCPUProfile_FullMethodName = "/daemon.DaemonService/StopCPUProfile"
DaemonService_GetInstallerResult_FullMethodName = "/daemon.DaemonService/GetInstallerResult"
DaemonService_ExposeService_FullMethodName = "/daemon.DaemonService/ExposeService"
DaemonService_RespondApproval_FullMethodName = "/daemon.DaemonService/RespondApproval"
)
// DaemonServiceClient is the client API for DaemonService service.
@@ -137,13 +136,6 @@ type DaemonServiceClient interface {
GetInstallerResult(ctx context.Context, in *InstallerResultRequest, opts ...grpc.CallOption) (*InstallerResultResponse, error)
// ExposeService exposes a local port via the NetBird reverse proxy
ExposeService(ctx context.Context, in *ExposeServiceRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[ExposeServiceEvent], error)
// RespondApproval delivers the user's accept/deny decision for a
// pending user-approval prompt. The daemon pushes the prompt as a
// SystemEvent with category APPROVAL and metadata key "request_id";
// the UI calls this RPC with the same request_id to unblock whichever
// subsystem (VNC, SSH, ...) is waiting. The "kind" metadata key tells
// the UI which subsystem the prompt belongs to.
RespondApproval(ctx context.Context, in *RespondApprovalRequest, opts ...grpc.CallOption) (*RespondApprovalResponse, error)
}
type daemonServiceClient struct {
@@ -581,16 +573,6 @@ func (c *daemonServiceClient) ExposeService(ctx context.Context, in *ExposeServi
// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
type DaemonService_ExposeServiceClient = grpc.ServerStreamingClient[ExposeServiceEvent]
func (c *daemonServiceClient) RespondApproval(ctx context.Context, in *RespondApprovalRequest, opts ...grpc.CallOption) (*RespondApprovalResponse, error) {
cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
out := new(RespondApprovalResponse)
err := c.cc.Invoke(ctx, DaemonService_RespondApproval_FullMethodName, in, out, cOpts...)
if err != nil {
return nil, err
}
return out, nil
}
// DaemonServiceServer is the server API for DaemonService service.
// All implementations must embed UnimplementedDaemonServiceServer
// for forward compatibility.
@@ -666,13 +648,6 @@ type DaemonServiceServer interface {
GetInstallerResult(context.Context, *InstallerResultRequest) (*InstallerResultResponse, error)
// ExposeService exposes a local port via the NetBird reverse proxy
ExposeService(*ExposeServiceRequest, grpc.ServerStreamingServer[ExposeServiceEvent]) error
// RespondApproval delivers the user's accept/deny decision for a
// pending user-approval prompt. The daemon pushes the prompt as a
// SystemEvent with category APPROVAL and metadata key "request_id";
// the UI calls this RPC with the same request_id to unblock whichever
// subsystem (VNC, SSH, ...) is waiting. The "kind" metadata key tells
// the UI which subsystem the prompt belongs to.
RespondApproval(context.Context, *RespondApprovalRequest) (*RespondApprovalResponse, error)
mustEmbedUnimplementedDaemonServiceServer()
}
@@ -803,9 +778,6 @@ func (UnimplementedDaemonServiceServer) GetInstallerResult(context.Context, *Ins
func (UnimplementedDaemonServiceServer) ExposeService(*ExposeServiceRequest, grpc.ServerStreamingServer[ExposeServiceEvent]) error {
return status.Error(codes.Unimplemented, "method ExposeService not implemented")
}
func (UnimplementedDaemonServiceServer) RespondApproval(context.Context, *RespondApprovalRequest) (*RespondApprovalResponse, error) {
return nil, status.Error(codes.Unimplemented, "method RespondApproval not implemented")
}
func (UnimplementedDaemonServiceServer) mustEmbedUnimplementedDaemonServiceServer() {}
func (UnimplementedDaemonServiceServer) testEmbeddedByValue() {}
@@ -1526,24 +1498,6 @@ func _DaemonService_ExposeService_Handler(srv interface{}, stream grpc.ServerStr
// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
type DaemonService_ExposeServiceServer = grpc.ServerStreamingServer[ExposeServiceEvent]
func _DaemonService_RespondApproval_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(RespondApprovalRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(DaemonServiceServer).RespondApproval(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: DaemonService_RespondApproval_FullMethodName,
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(DaemonServiceServer).RespondApproval(ctx, req.(*RespondApprovalRequest))
}
return interceptor(ctx, in, info, handler)
}
// DaemonService_ServiceDesc is the grpc.ServiceDesc for DaemonService service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
@@ -1699,10 +1653,6 @@ var DaemonService_ServiceDesc = grpc.ServiceDesc{
MethodName: "GetInstallerResult",
Handler: _DaemonService_GetInstallerResult_Handler,
},
{
MethodName: "RespondApproval",
Handler: _DaemonService_RespondApproval_Handler,
},
},
Streams: []grpc.StreamDesc{
{

View File

@@ -111,7 +111,7 @@ func (s *Server) StartCapture(req *proto.StartCaptureRequest, stream proto.Daemo
return status.Errorf(codes.Internal, "create capture session: %v", err)
}
engine, err := s.claimCapture(sess, func() { pw.Close() })
engine, err := s.claimCapture(sess)
if err != nil {
sess.Stop()
pw.Close()
@@ -190,7 +190,10 @@ func (s *Server) StartBundleCapture(_ context.Context, req *proto.StartBundleCap
s.stopBundleCaptureLocked()
s.cleanupBundleCapture()
s.evictActiveCaptureLocked()
if s.activeCapture != nil {
return nil, status.Error(codes.FailedPrecondition, "another capture is already running")
}
engine, err := s.getCaptureEngineLocked()
if err != nil {
@@ -301,58 +304,29 @@ func (s *Server) cleanupBundleCapture() {
s.bundleCapture = nil
}
// claimCapture reserves the engine's capture slot for sess. If another
// capture is already running it is evicted: a previous streaming session
// whose gRPC client died and never freed the slot stays stuck otherwise,
// and a bundle capture is just informational state.
func (s *Server) claimCapture(sess *capture.Session, cancel func()) (*internal.Engine, error) {
// claimCapture reserves the engine's capture slot for sess. Returns
// FailedPrecondition if another capture is already active.
func (s *Server) claimCapture(sess *capture.Session) (*internal.Engine, error) {
s.mutex.Lock()
defer s.mutex.Unlock()
s.evictActiveCaptureLocked()
if s.activeCapture != nil {
return nil, status.Error(codes.FailedPrecondition, "another capture is already running")
}
engine, err := s.getCaptureEngineLocked()
if err != nil {
return nil, err
}
s.activeCapture = sess
s.activeCaptureCancel = cancel
return engine, nil
}
// evictActiveCaptureLocked tears down whatever capture currently owns
// the engine slot so a fresh claim can succeed. Caller must hold mutex.
func (s *Server) evictActiveCaptureLocked() {
if s.activeCapture == nil {
return
}
if s.bundleCapture != nil && s.bundleCapture.sess == s.activeCapture {
log.Infof("evicting running bundle capture to start a new capture")
s.stopBundleCaptureLocked()
return
}
log.Infof("evicting previous streaming capture to start a new one")
prev := s.activeCapture
cancel := s.activeCaptureCancel
if engine, err := s.getCaptureEngineLocked(); err == nil {
if err := engine.SetCapture(nil); err != nil {
log.Debugf("clear previous capture: %v", err)
}
}
s.activeCapture = nil
s.activeCaptureCancel = nil
prev.Stop()
if cancel != nil {
cancel()
}
}
// releaseCapture clears the active-capture owner if it still matches sess.
func (s *Server) releaseCapture(sess *capture.Session) {
s.mutex.Lock()
defer s.mutex.Unlock()
if s.activeCapture == sess {
s.activeCapture = nil
s.activeCaptureCancel = nil
}
}
@@ -367,7 +341,6 @@ func (s *Server) clearCaptureIfOwner(sess *capture.Session, engine *internal.Eng
log.Debugf("clear capture: %v", err)
}
s.activeCapture = nil
s.activeCaptureCancel = nil
}
func (s *Server) getCaptureEngineLocked() (*internal.Engine, error) {

View File

@@ -100,12 +100,8 @@ type Server struct {
captureEnabled bool
bundleCapture *bundleCapture
// activeCapture is the session currently installed on the engine; guarded by s.mutex.
activeCapture *capture.Session
// activeCaptureCancel tears down the streaming pipe/cancel for the
// active streaming capture so eviction unblocks the StartCapture RPC
// handler. Nil for bundle captures (they own their own context).
activeCaptureCancel func()
networksDisabled bool
activeCapture *capture.Session
networksDisabled bool
sleepHandler *sleephandler.SleepHandler
@@ -460,8 +456,6 @@ func (s *Server) setConfigInputFromRequest(msg *proto.SetConfigRequest) (profile
config.RosenpassPermissive = msg.RosenpassPermissive
config.DisableAutoConnect = msg.DisableAutoConnect
config.ServerSSHAllowed = msg.ServerSSHAllowed
config.ServerVNCAllowed = msg.ServerVNCAllowed
config.DisableVNCApproval = msg.DisableVNCApproval
config.NetworkMonitor = msg.NetworkMonitor
config.DisableClientRoutes = msg.DisableClientRoutes
config.DisableServerRoutes = msg.DisableServerRoutes
@@ -1257,7 +1251,6 @@ func (s *Server) Status(
pbFullStatus := fullStatus.ToProto()
pbFullStatus.Events = s.statusRecorder.GetEventHistory()
pbFullStatus.SshServerState = s.getSSHServerState()
pbFullStatus.VncServerState = s.getVNCServerState()
statusResponse.FullStatus = pbFullStatus
}
@@ -1297,38 +1290,6 @@ func (s *Server) getSSHServerState() *proto.SSHServerState {
return sshServerState
}
// getVNCServerState retrieves the current VNC server state.
func (s *Server) getVNCServerState() *proto.VNCServerState {
s.mutex.Lock()
connectClient := s.connectClient
s.mutex.Unlock()
if connectClient == nil {
return nil
}
engine := connectClient.Engine()
if engine == nil {
return nil
}
enabled, sessions := engine.GetVNCServerStatus()
pbSessions := make([]*proto.VNCSessionInfo, 0, len(sessions))
for _, sess := range sessions {
pbSessions = append(pbSessions, &proto.VNCSessionInfo{
RemoteAddress: sess.RemoteAddress,
Mode: sess.Mode,
Username: sess.Username,
UserID: sess.UserID,
Initiator: sess.Initiator,
})
}
return &proto.VNCServerState{
Enabled: enabled,
Sessions: pbSessions,
}
}
// GetPeerSSHHostKey retrieves SSH host key for a specific peer
func (s *Server) GetPeerSSHHostKey(
ctx context.Context,
@@ -1569,27 +1530,6 @@ func (s *Server) ExposeService(req *proto.ExposeServiceRequest, srv proto.Daemon
return nil
}
// RespondApproval relays the user's accept/deny decision for a pending
// approval prompt to the engine's broker. Unknown or already-resolved
// request_ids are silently no-op'd so a slow UI cannot deny a prompt the
// user already handled (or that already timed out).
func (s *Server) RespondApproval(_ context.Context, msg *proto.RespondApprovalRequest) (*proto.RespondApprovalResponse, error) {
s.mutex.Lock()
connectClient := s.connectClient
s.mutex.Unlock()
if connectClient == nil {
return nil, gstatus.Errorf(codes.FailedPrecondition, "client not initialized")
}
engine := connectClient.Engine()
if engine == nil {
return nil, gstatus.Errorf(codes.FailedPrecondition, "engine not running")
}
if !engine.RespondApproval(msg.GetRequestId(), msg.GetAccept(), msg.GetViewOnly()) {
log.Debugf("approval response for unknown request_id %s", msg.GetRequestId())
}
return &proto.RespondApprovalResponse{}, nil
}
func isUnixRunningDesktop() bool {
if runtime.GOOS != "linux" && runtime.GOOS != "freebsd" {
return false
@@ -1705,8 +1645,6 @@ func (s *Server) GetConfig(ctx context.Context, req *proto.GetConfigRequest) (*p
Mtu: int64(cfg.MTU),
DisableAutoConnect: cfg.DisableAutoConnect,
ServerSSHAllowed: *cfg.ServerSSHAllowed,
ServerVNCAllowed: cfg.ServerVNCAllowed != nil && *cfg.ServerVNCAllowed,
DisableVNCApproval: cfg.DisableVNCApproval != nil && *cfg.DisableVNCApproval,
RosenpassEnabled: cfg.RosenpassEnabled,
RosenpassPermissive: cfg.RosenpassPermissive,
LazyConnectionEnabled: cfg.LazyConnectionEnabled,

View File

@@ -1,235 +0,0 @@
//go:build privileged
package server
import (
"context"
"net"
"os/user"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
"github.com/netbirdio/netbird/management/server/integrations/integrated_validator/validator"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/controller"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/update_channel"
"github.com/netbirdio/netbird/management/internals/modules/peers"
"github.com/netbirdio/netbird/management/internals/modules/peers/ephemeral/manager"
nbgrpc "github.com/netbirdio/netbird/management/internals/shared/grpc"
"github.com/netbirdio/netbird/management/server/job"
"github.com/netbirdio/netbird/management/internals/server/config"
"github.com/netbirdio/netbird/management/server/groups"
log "github.com/sirupsen/logrus"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
"github.com/netbirdio/netbird/client/internal"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/profilemanager"
"github.com/netbirdio/netbird/management/server"
"github.com/netbirdio/netbird/management/server/activity"
nbcache "github.com/netbirdio/netbird/management/server/cache"
"github.com/netbirdio/netbird/management/server/integrations/port_forwarding"
"github.com/netbirdio/netbird/management/server/permissions"
"github.com/netbirdio/netbird/management/server/settings"
"github.com/netbirdio/netbird/management/server/store"
"github.com/netbirdio/netbird/management/server/telemetry"
mgmtProto "github.com/netbirdio/netbird/shared/management/proto"
"github.com/netbirdio/netbird/shared/signal/proto"
signalServer "github.com/netbirdio/netbird/signal/server"
)
var (
kaep = keepalive.EnforcementPolicy{
MinTime: 15 * time.Second,
PermitWithoutStream: true,
}
kasp = keepalive.ServerParameters{
MaxConnectionIdle: 15 * time.Second,
MaxConnectionAgeGrace: 5 * time.Second,
Time: 5 * time.Second,
Timeout: 2 * time.Second,
}
)
// TestConnectWithRetryRuns checks that the connectWithRetry function runs and runs the retries according to the times specified via environment variables
// we will use a management server started via to simulate the server and capture the number of retries
func TestConnectWithRetryRuns(t *testing.T) {
// start the signal server
_, signalAddr, err := startSignal(t)
if err != nil {
t.Fatalf("failed to start signal server: %v", err)
}
counter := 0
// start the management server
_, mgmtAddr, err := startManagement(t, signalAddr, &counter)
if err != nil {
t.Fatalf("failed to start management server: %v", err)
}
ctx := internal.CtxInitState(context.Background())
ctx, cancel := context.WithDeadline(ctx, time.Now().Add(30*time.Second))
defer cancel()
// create new server
ic := profilemanager.ConfigInput{
ManagementURL: "http://" + mgmtAddr,
ConfigPath: t.TempDir() + "/test-profile.json",
}
config, err := profilemanager.UpdateOrCreateConfig(ic)
if err != nil {
t.Fatalf("failed to create config: %v", err)
}
currUser, err := user.Current()
require.NoError(t, err)
pm := profilemanager.ServiceManager{}
err = pm.SetActiveProfileState(&profilemanager.ActiveProfileState{
ID: "test-profile",
Username: currUser.Username,
})
if err != nil {
t.Fatalf("failed to set active profile state: %v", err)
}
s := New(ctx, "debug", "", false, false, false, false)
s.config = config
s.statusRecorder = peer.NewRecorder(config.ManagementURL.String())
t.Setenv(retryInitialIntervalVar, "1s")
t.Setenv(maxRetryIntervalVar, "2s")
t.Setenv(maxRetryTimeVar, "5s")
t.Setenv(retryMultiplierVar, "1")
s.connectWithRetryRuns(ctx, config, s.statusRecorder, nil, nil)
if counter < 3 {
t.Fatalf("expected counter > 2, got %d", counter)
}
}
type mockServer struct {
mgmtProto.ManagementServiceServer
counter *int
}
func (m *mockServer) Login(ctx context.Context, req *mgmtProto.EncryptedMessage) (*mgmtProto.EncryptedMessage, error) {
*m.counter++
return m.ManagementServiceServer.Login(ctx, req)
}
func startManagement(t *testing.T, signalAddr string, counter *int) (*grpc.Server, string, error) {
t.Helper()
dataDir := t.TempDir()
config := &config.Config{
Stuns: []*config.Host{},
TURNConfig: &config.TURNConfig{},
Signal: &config.Host{
Proto: "http",
URI: signalAddr,
},
Datadir: dataDir,
HttpConfig: nil,
}
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
return nil, "", err
}
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
store, cleanUp, err := store.NewTestStoreFromSQL(context.Background(), "", config.Datadir)
if err != nil {
return nil, "", err
}
t.Cleanup(cleanUp)
eventStore := &activity.InMemoryEventStore{}
if err != nil {
return nil, "", err
}
ctrl := gomock.NewController(t)
t.Cleanup(ctrl.Finish)
permissionsManagerMock := permissions.NewMockManager(ctrl)
peersManager := peers.NewManager(store, permissionsManagerMock)
settingsManagerMock := settings.NewMockManager(ctrl)
jobManager := job.NewJobManager(nil, store, peersManager)
cacheStore, err := nbcache.NewStore(context.Background(), 100*time.Millisecond, 300*time.Millisecond, 100)
if err != nil {
return nil, "", err
}
ia, _ := validator.NewIntegratedValidator(context.Background(), peersManager, settingsManagerMock, eventStore, cacheStore)
metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
require.NoError(t, err)
settingsMockManager := settings.NewMockManager(ctrl)
groupsManager := groups.NewManagerMock()
requestBuffer := server.NewAccountRequestBuffer(context.Background(), store)
peersUpdateManager := update_channel.NewPeersUpdateManager(metrics)
networkMapController := controller.NewController(context.Background(), store, metrics, peersUpdateManager, requestBuffer, server.MockIntegratedValidator{}, settingsMockManager, "netbird.selfhosted", port_forwarding.NewControllerMock(), manager.NewEphemeralManager(store, peersManager), config)
accountManager, err := server.BuildManager(context.Background(), config, store, networkMapController, jobManager, nil, "", eventStore, nil, false, ia, metrics, port_forwarding.NewControllerMock(), settingsMockManager, permissionsManagerMock, false, cacheStore)
if err != nil {
return nil, "", err
}
secretsManager, err := nbgrpc.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay, settingsMockManager, groupsManager)
if err != nil {
return nil, "", err
}
mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil, nil)
if err != nil {
return nil, "", err
}
mock := &mockServer{
ManagementServiceServer: mgmtServer,
counter: counter,
}
mgmtProto.RegisterManagementServiceServer(s, mock)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}
func startSignal(t *testing.T) (*grpc.Server, string, error) {
t.Helper()
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
return nil, "", err
}
srv, err := signalServer.NewServer(context.Background(), otel.Meter(""))
require.NoError(t, err)
proto.RegisterSignalExchangeServer(s, srv)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}

View File

@@ -2,22 +2,124 @@ package server
import (
"context"
"net"
"net/url"
"os/user"
"path/filepath"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
"github.com/netbirdio/netbird/management/server/integrations/integrated_validator/validator"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/controller"
"github.com/netbirdio/netbird/management/internals/controllers/network_map/update_channel"
"github.com/netbirdio/netbird/management/internals/modules/peers"
"github.com/netbirdio/netbird/management/internals/modules/peers/ephemeral/manager"
nbgrpc "github.com/netbirdio/netbird/management/internals/shared/grpc"
"github.com/netbirdio/netbird/management/server/job"
"github.com/netbirdio/netbird/management/internals/server/config"
"github.com/netbirdio/netbird/management/server/groups"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
"github.com/netbirdio/netbird/client/internal"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/profilemanager"
daemonProto "github.com/netbirdio/netbird/client/proto"
"github.com/netbirdio/netbird/management/server"
"github.com/netbirdio/netbird/management/server/activity"
nbcache "github.com/netbirdio/netbird/management/server/cache"
"github.com/netbirdio/netbird/management/server/integrations/port_forwarding"
"github.com/netbirdio/netbird/management/server/permissions"
"github.com/netbirdio/netbird/management/server/settings"
"github.com/netbirdio/netbird/management/server/store"
"github.com/netbirdio/netbird/management/server/telemetry"
mgmtProto "github.com/netbirdio/netbird/shared/management/proto"
"github.com/netbirdio/netbird/shared/signal/proto"
signalServer "github.com/netbirdio/netbird/signal/server"
)
var (
kaep = keepalive.EnforcementPolicy{
MinTime: 15 * time.Second,
PermitWithoutStream: true,
}
kasp = keepalive.ServerParameters{
MaxConnectionIdle: 15 * time.Second,
MaxConnectionAgeGrace: 5 * time.Second,
Time: 5 * time.Second,
Timeout: 2 * time.Second,
}
)
// TestConnectWithRetryRuns checks that the connectWithRetry function runs and runs the retries according to the times specified via environment variables
// we will use a management server started via to simulate the server and capture the number of retries
func TestConnectWithRetryRuns(t *testing.T) {
// start the signal server
_, signalAddr, err := startSignal(t)
if err != nil {
t.Fatalf("failed to start signal server: %v", err)
}
counter := 0
// start the management server
_, mgmtAddr, err := startManagement(t, signalAddr, &counter)
if err != nil {
t.Fatalf("failed to start management server: %v", err)
}
ctx := internal.CtxInitState(context.Background())
ctx, cancel := context.WithDeadline(ctx, time.Now().Add(30*time.Second))
defer cancel()
// create new server
ic := profilemanager.ConfigInput{
ManagementURL: "http://" + mgmtAddr,
ConfigPath: t.TempDir() + "/test-profile.json",
}
config, err := profilemanager.UpdateOrCreateConfig(ic)
if err != nil {
t.Fatalf("failed to create config: %v", err)
}
currUser, err := user.Current()
require.NoError(t, err)
pm := profilemanager.ServiceManager{}
err = pm.SetActiveProfileState(&profilemanager.ActiveProfileState{
ID: "test-profile",
Username: currUser.Username,
})
if err != nil {
t.Fatalf("failed to set active profile state: %v", err)
}
s := New(ctx, "debug", "", false, false, false, false)
s.config = config
s.statusRecorder = peer.NewRecorder(config.ManagementURL.String())
t.Setenv(retryInitialIntervalVar, "1s")
t.Setenv(maxRetryIntervalVar, "2s")
t.Setenv(maxRetryTimeVar, "5s")
t.Setenv(retryMultiplierVar, "1")
s.connectWithRetryRuns(ctx, config, s.statusRecorder, nil, nil)
if counter < 3 {
t.Fatalf("expected counter > 2, got %d", counter)
}
}
func TestServer_Up(t *testing.T) {
tempDir := t.TempDir()
origDefaultProfileDir := profilemanager.DefaultConfigPathDir
@@ -157,3 +259,119 @@ func TestServer_SubcribeEvents(t *testing.T) {
assert.NoError(t, err)
}
type mockServer struct {
mgmtProto.ManagementServiceServer
counter *int
}
func (m *mockServer) Login(ctx context.Context, req *mgmtProto.EncryptedMessage) (*mgmtProto.EncryptedMessage, error) {
*m.counter++
return m.ManagementServiceServer.Login(ctx, req)
}
func startManagement(t *testing.T, signalAddr string, counter *int) (*grpc.Server, string, error) {
t.Helper()
dataDir := t.TempDir()
config := &config.Config{
Stuns: []*config.Host{},
TURNConfig: &config.TURNConfig{},
Signal: &config.Host{
Proto: "http",
URI: signalAddr,
},
Datadir: dataDir,
HttpConfig: nil,
}
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
return nil, "", err
}
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
store, cleanUp, err := store.NewTestStoreFromSQL(context.Background(), "", config.Datadir)
if err != nil {
return nil, "", err
}
t.Cleanup(cleanUp)
eventStore := &activity.InMemoryEventStore{}
if err != nil {
return nil, "", err
}
ctrl := gomock.NewController(t)
t.Cleanup(ctrl.Finish)
permissionsManagerMock := permissions.NewMockManager(ctrl)
peersManager := peers.NewManager(store, permissionsManagerMock)
settingsManagerMock := settings.NewMockManager(ctrl)
jobManager := job.NewJobManager(nil, store, peersManager)
cacheStore, err := nbcache.NewStore(context.Background(), 100*time.Millisecond, 300*time.Millisecond, 100)
if err != nil {
return nil, "", err
}
ia, _ := validator.NewIntegratedValidator(context.Background(), peersManager, settingsManagerMock, eventStore, cacheStore)
metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
require.NoError(t, err)
settingsMockManager := settings.NewMockManager(ctrl)
groupsManager := groups.NewManagerMock()
requestBuffer := server.NewAccountRequestBuffer(context.Background(), store)
peersUpdateManager := update_channel.NewPeersUpdateManager(metrics)
networkMapController := controller.NewController(context.Background(), store, metrics, peersUpdateManager, requestBuffer, server.MockIntegratedValidator{}, settingsMockManager, "netbird.selfhosted", port_forwarding.NewControllerMock(), manager.NewEphemeralManager(store, peersManager), config)
accountManager, err := server.BuildManager(context.Background(), config, store, networkMapController, jobManager, nil, "", eventStore, nil, false, ia, metrics, port_forwarding.NewControllerMock(), settingsMockManager, permissionsManagerMock, false, cacheStore)
if err != nil {
return nil, "", err
}
secretsManager, err := nbgrpc.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay, settingsMockManager, groupsManager)
if err != nil {
return nil, "", err
}
mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil, nil)
if err != nil {
return nil, "", err
}
mock := &mockServer{
ManagementServiceServer: mgmtServer,
counter: counter,
}
mgmtProto.RegisterManagementServiceServer(s, mock)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}
func startSignal(t *testing.T) (*grpc.Server, string, error) {
t.Helper()
s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
srv, err := signalServer.NewServer(context.Background(), otel.Meter(""))
require.NoError(t, err)
proto.RegisterSignalExchangeServer(s, srv)
go func() {
if err = s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
return s, lis.Addr().String(), nil
}

View File

@@ -58,8 +58,6 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
rosenpassEnabled := true
rosenpassPermissive := true
serverSSHAllowed := true
serverVNCAllowed := true
disableVNCApproval := true
interfaceName := "utun100"
wireguardPort := int64(51820)
preSharedKey := "test-psk"
@@ -85,8 +83,6 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
RosenpassEnabled: &rosenpassEnabled,
RosenpassPermissive: &rosenpassPermissive,
ServerSSHAllowed: &serverSSHAllowed,
ServerVNCAllowed: &serverVNCAllowed,
DisableVNCApproval: &disableVNCApproval,
InterfaceName: &interfaceName,
WireguardPort: &wireguardPort,
OptionalPreSharedKey: &preSharedKey,
@@ -131,10 +127,6 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
require.Equal(t, rosenpassPermissive, cfg.RosenpassPermissive)
require.NotNil(t, cfg.ServerSSHAllowed)
require.Equal(t, serverSSHAllowed, *cfg.ServerSSHAllowed)
require.NotNil(t, cfg.ServerVNCAllowed)
require.Equal(t, serverVNCAllowed, *cfg.ServerVNCAllowed)
require.NotNil(t, cfg.DisableVNCApproval)
require.Equal(t, disableVNCApproval, *cfg.DisableVNCApproval)
require.Equal(t, interfaceName, cfg.WgIface)
require.Equal(t, int(wireguardPort), cfg.WgPort)
require.Equal(t, preSharedKey, cfg.PreSharedKey)
@@ -187,8 +179,6 @@ func verifyAllFieldsCovered(t *testing.T, req *proto.SetConfigRequest) {
"RosenpassEnabled": true,
"RosenpassPermissive": true,
"ServerSSHAllowed": true,
"ServerVNCAllowed": true,
"DisableVNCApproval": true,
"InterfaceName": true,
"WireguardPort": true,
"OptionalPreSharedKey": true,
@@ -250,8 +240,6 @@ func TestCLIFlags_MappedToSetConfig(t *testing.T) {
"enable-rosenpass": "RosenpassEnabled",
"rosenpass-permissive": "RosenpassPermissive",
"allow-server-ssh": "ServerSSHAllowed",
"allow-server-vnc": "ServerVNCAllowed",
"disable-vnc-approval": "DisableVNCApproval",
"interface-name": "InterfaceName",
"wireguard-port": "WireguardPort",
"preshared-key": "OptionalPreSharedKey",

View File

@@ -1,4 +1,4 @@
package sessionauth
package auth
import (
"errors"
@@ -15,8 +15,6 @@ const (
DefaultUserIDClaim = "sub"
// Wildcard is a special user ID that matches all users
Wildcard = "*"
// sessionPubKeyLen is the size of an X25519 static public key in bytes.
sessionPubKeyLen = 32
)
var (
@@ -24,7 +22,6 @@ var (
ErrUserNotAuthorized = errors.New("user is not authorized to access this peer")
ErrNoMachineUserMapping = errors.New("no authorization mapping for OS user")
ErrUserNotMappedToOSUser = errors.New("user is not authorized to login as OS user")
ErrSessionKeyNotKnown = errors.New("session pubkey not registered")
)
// Authorizer handles SSH fine-grained access control authorization
@@ -38,17 +35,6 @@ type Authorizer struct {
// machineUsers maps OS login usernames to lists of authorized user indexes
machineUsers map[string][]uint32
// sessionPubKeys maps an X25519 static public key (as map-safe
// array) to the hashed user identity that key authenticates as.
// Populated from management's temporary-access flow; used by VNC to
// authenticate via the Noise_IK handshake.
sessionPubKeys map[[sessionPubKeyLen]byte]sshuserhash.UserIDHash
// sessionDisplayNames mirrors sessionPubKeys with the optional
// human-readable display name management associated with each
// session key. Used by the per-connection UI approval prompt; not
// consulted by any authorization decision.
sessionDisplayNames map[[sessionPubKeyLen]byte]string
// mu protects the list of users
mu sync.RWMutex
}
@@ -64,29 +50,13 @@ type Config struct {
// MachineUsers maps OS login usernames to indexes in AuthorizedUsers
// If a user wants to login as a specific OS user, their index must be in the corresponding list
MachineUsers map[string][]uint32
// SessionPubKeys binds ephemeral X25519 static public keys to hashed
// user identities. Populated for VNC; ignored on the SSH side.
SessionPubKeys []SessionPubKey
}
// SessionPubKey is a single ephemeral-key entry: the 32-byte X25519
// static public key plus the hashed user identity it authenticates as,
// optionally plus a human-readable display name for the UI approval
// prompt to identify the requester.
type SessionPubKey struct {
PubKey []byte
UserIDHash sshuserhash.UserIDHash
DisplayName string
}
// NewAuthorizer creates a new SSH authorizer with empty configuration
func NewAuthorizer() *Authorizer {
a := &Authorizer{
userIDClaim: DefaultUserIDClaim,
machineUsers: make(map[string][]uint32),
sessionPubKeys: make(map[[sessionPubKeyLen]byte]sshuserhash.UserIDHash),
sessionDisplayNames: make(map[[sessionPubKeyLen]byte]string),
userIDClaim: DefaultUserIDClaim,
machineUsers: make(map[string][]uint32),
}
return a
@@ -102,8 +72,6 @@ func (a *Authorizer) Update(config *Config) {
a.userIDClaim = DefaultUserIDClaim
a.authorizedUsers = []sshuserhash.UserIDHash{}
a.machineUsers = make(map[string][]uint32)
a.sessionPubKeys = make(map[[sessionPubKeyLen]byte]sshuserhash.UserIDHash)
a.sessionDisplayNames = make(map[[sessionPubKeyLen]byte]string)
log.Info("SSH authorization cleared")
return
}
@@ -126,35 +94,8 @@ func (a *Authorizer) Update(config *Config) {
}
a.machineUsers = machineUsers
sessionPubKeys := make(map[[sessionPubKeyLen]byte]sshuserhash.UserIDHash, len(config.SessionPubKeys))
sessionDisplayNames := make(map[[sessionPubKeyLen]byte]string, len(config.SessionPubKeys))
conflicted := make(map[[sessionPubKeyLen]byte]struct{})
for _, e := range config.SessionPubKeys {
if len(e.PubKey) != sessionPubKeyLen {
continue
}
var key [sessionPubKeyLen]byte
copy(key[:], e.PubKey)
if _, bad := conflicted[key]; bad {
continue
}
if existing, ok := sessionPubKeys[key]; ok && existing != e.UserIDHash {
log.Warnf("SSH auth: session pubkey bound to conflicting user hashes; dropping binding")
delete(sessionPubKeys, key)
delete(sessionDisplayNames, key)
conflicted[key] = struct{}{}
continue
}
sessionPubKeys[key] = e.UserIDHash
if e.DisplayName != "" {
sessionDisplayNames[key] = e.DisplayName
}
}
a.sessionPubKeys = sessionPubKeys
a.sessionDisplayNames = sessionDisplayNames
log.Debugf("SSH auth: updated with %d authorized users, %d machine user mappings, %d session pubkeys",
len(config.AuthorizedUsers), len(machineUsers), len(sessionPubKeys))
log.Debugf("SSH auth: updated with %d authorized users, %d machine user mappings",
len(config.AuthorizedUsers), len(machineUsers))
}
// Authorize validates if a user is authorized to login as the specified OS user.
@@ -214,54 +155,6 @@ func (a *Authorizer) GetUserIDClaim() string {
return a.userIDClaim
}
// LookupSessionKey resolves a Noise-verified static public key to the
// hashed user identity registered with it. Fails closed when the key is
// unknown.
func (a *Authorizer) LookupSessionKey(pubKey []byte) (sshuserhash.UserIDHash, error) {
var zero sshuserhash.UserIDHash
if len(pubKey) != sessionPubKeyLen {
return zero, fmt.Errorf("session pubkey wrong length: %d", len(pubKey))
}
var key [sessionPubKeyLen]byte
copy(key[:], pubKey)
a.mu.RLock()
hash, ok := a.sessionPubKeys[key]
a.mu.RUnlock()
if !ok {
return zero, ErrSessionKeyNotKnown
}
return hash, nil
}
// LookupSessionDisplayName returns the human-readable display name
// management associated with a session pubkey, or empty string when none
// is recorded. Never returns an error: a missing/unknown key reports as
// "" and the caller falls back to other identifiers.
func (a *Authorizer) LookupSessionDisplayName(pubKey []byte) string {
if len(pubKey) != sessionPubKeyLen {
return ""
}
var key [sessionPubKeyLen]byte
copy(key[:], pubKey)
a.mu.RLock()
name := a.sessionDisplayNames[key]
a.mu.RUnlock()
return name
}
// AuthorizeOSUserBySessionKey resolves the OS-user mapping for a session
// key. Mirrors Authorize but skips the JWT-hash step since the key has
// already been verified and the user identity hash is in hand.
func (a *Authorizer) AuthorizeOSUserBySessionKey(userIDHash sshuserhash.UserIDHash, osUsername string) (string, error) {
a.mu.RLock()
defer a.mu.RUnlock()
userIndex, found := a.findUserIndex(userIDHash)
if !found {
return "", fmt.Errorf("session user (hash: %s) not in authorized list for OS user %q: %w", userIDHash, osUsername, ErrUserNotAuthorized)
}
return a.checkMachineUserMapping("session", osUsername, userIndex)
}
// findUserIndex finds the index of a hashed user ID in the authorized users list
// Returns the index and true if found, 0 and false if not found
func (a *Authorizer) findUserIndex(hashedUserID sshuserhash.UserIDHash) (int, bool) {

View File

@@ -1,7 +1,6 @@
package sessionauth
package auth
import (
"errors"
"testing"
"github.com/stretchr/testify/assert"
@@ -611,61 +610,3 @@ func TestAuthorizer_Wildcard_WithPartialIndexes_AllowsAllUsers(t *testing.T) {
assert.Error(t, err)
assert.ErrorIs(t, err, ErrUserNotAuthorized, "unauthorized user should be denied")
}
func TestAuthorizer_LookupSessionKey_Valid(t *testing.T) {
pub := bytesRepeat(0x11, sessionPubKeyLen)
userHash, err := sshauth.HashUserID("alice")
require.NoError(t, err)
a := NewAuthorizer()
a.Update(&Config{
AuthorizedUsers: []sshauth.UserIDHash{userHash},
MachineUsers: map[string][]uint32{Wildcard: {0}},
SessionPubKeys: []SessionPubKey{{PubKey: pub, UserIDHash: userHash}},
})
got, err := a.LookupSessionKey(pub)
require.NoError(t, err)
assert.Equal(t, userHash, got)
if _, err := a.AuthorizeOSUserBySessionKey(got, "alice"); err != nil {
t.Fatalf("AuthorizeOSUserBySessionKey: %v", err)
}
}
func TestAuthorizer_LookupSessionKey_UnknownPub(t *testing.T) {
a := NewAuthorizer()
a.Update(&Config{})
_, err := a.LookupSessionKey(bytesRepeat(0x22, sessionPubKeyLen))
require.ErrorIs(t, err, ErrSessionKeyNotKnown)
}
func TestAuthorizer_LookupSessionKey_WrongLength(t *testing.T) {
a := NewAuthorizer()
_, err := a.LookupSessionKey([]byte("short"))
require.Error(t, err)
}
func TestAuthorizer_LookupSessionKey_UpdateClears(t *testing.T) {
pub := bytesRepeat(0x33, sessionPubKeyLen)
userHash, err := sshauth.HashUserID("alice")
require.NoError(t, err)
a := NewAuthorizer()
a.Update(&Config{SessionPubKeys: []SessionPubKey{{PubKey: pub, UserIDHash: userHash}}})
if _, err := a.LookupSessionKey(pub); err != nil {
t.Fatalf("setup lookup: %v", err)
}
a.Update(&Config{})
if _, err := a.LookupSessionKey(pub); !errors.Is(err, ErrSessionKeyNotKnown) {
t.Fatalf("expected ErrSessionKeyNotKnown, got %v", err)
}
}
func bytesRepeat(b byte, n int) []byte {
out := make([]byte, n)
for i := range out {
out[i] = b
}
return out
}

View File

@@ -1,118 +0,0 @@
//go:build privileged
package client
import (
"context"
"errors"
"runtime"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
cryptossh "golang.org/x/crypto/ssh"
"github.com/netbirdio/netbird/client/ssh/testutil"
)
func TestSSHClient_CommandExecution(t *testing.T) {
if runtime.GOOS == "windows" && testutil.IsCI() {
t.Skip("Skipping Windows command execution tests in CI due to S4U authentication issues")
}
server, _, client := setupTestSSHServerAndClient(t)
defer func() {
err := server.Stop()
require.NoError(t, err)
}()
defer func() {
err := client.Close()
assert.NoError(t, err)
}()
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
t.Run("ExecuteCommand captures output", func(t *testing.T) {
output, err := client.ExecuteCommand(ctx, "echo hello")
assert.NoError(t, err)
assert.Contains(t, string(output), "hello")
})
t.Run("ExecuteCommandWithIO streams output", func(t *testing.T) {
err := client.ExecuteCommandWithIO(ctx, "echo world")
assert.NoError(t, err)
})
t.Run("commands with flags work", func(t *testing.T) {
output, err := client.ExecuteCommand(ctx, "echo -n test_flag")
assert.NoError(t, err)
assert.Equal(t, "test_flag", strings.TrimSpace(string(output)))
})
t.Run("non-zero exit codes don't return errors", func(t *testing.T) {
var testCmd string
if runtime.GOOS == "windows" {
testCmd = "echo hello | Select-String notfound"
} else {
testCmd = "echo 'hello' | grep 'notfound'"
}
_, err := client.ExecuteCommand(ctx, testCmd)
assert.NoError(t, err)
})
}
func TestSSHClient_ContextCancellation(t *testing.T) {
server, serverAddr, _ := setupTestSSHServerAndClient(t)
defer func() {
err := server.Stop()
require.NoError(t, err)
}()
t.Run("connection with short timeout", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Millisecond)
defer cancel()
currentUser := testutil.GetTestUsername(t)
_, err := Dial(ctx, serverAddr, currentUser, DialOptions{
InsecureSkipVerify: true,
})
if err != nil {
// Check for actual timeout-related errors rather than string matching
assert.True(t,
errors.Is(err, context.DeadlineExceeded) ||
errors.Is(err, context.Canceled) ||
strings.Contains(err.Error(), "timeout"),
"Expected timeout-related error, got: %v", err)
}
})
t.Run("command execution cancellation", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
currentUser := testutil.GetTestUsername(t)
client, err := Dial(ctx, serverAddr, currentUser, DialOptions{
InsecureSkipVerify: true,
})
require.NoError(t, err)
defer func() {
if err := client.Close(); err != nil {
t.Logf("client close error: %v", err)
}
}()
cmdCtx, cmdCancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
defer cmdCancel()
err = client.ExecuteCommandWithPTY(cmdCtx, "sleep 10")
if err != nil {
var exitMissingErr *cryptossh.ExitMissingError
isValidCancellation := errors.Is(err, context.DeadlineExceeded) ||
errors.Is(err, context.Canceled) ||
errors.As(err, &exitMissingErr)
assert.True(t, isValidCancellation, "Should handle command cancellation properly")
}
})
}

View File

@@ -15,6 +15,7 @@ import (
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
cryptossh "golang.org/x/crypto/ssh"
"github.com/netbirdio/netbird/client/ssh"
sshserver "github.com/netbirdio/netbird/client/ssh/server"
@@ -77,6 +78,53 @@ func TestSSHClient_DialWithKey(t *testing.T) {
assert.NotNil(t, client.client)
}
func TestSSHClient_CommandExecution(t *testing.T) {
if runtime.GOOS == "windows" && testutil.IsCI() {
t.Skip("Skipping Windows command execution tests in CI due to S4U authentication issues")
}
server, _, client := setupTestSSHServerAndClient(t)
defer func() {
err := server.Stop()
require.NoError(t, err)
}()
defer func() {
err := client.Close()
assert.NoError(t, err)
}()
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
t.Run("ExecuteCommand captures output", func(t *testing.T) {
output, err := client.ExecuteCommand(ctx, "echo hello")
assert.NoError(t, err)
assert.Contains(t, string(output), "hello")
})
t.Run("ExecuteCommandWithIO streams output", func(t *testing.T) {
err := client.ExecuteCommandWithIO(ctx, "echo world")
assert.NoError(t, err)
})
t.Run("commands with flags work", func(t *testing.T) {
output, err := client.ExecuteCommand(ctx, "echo -n test_flag")
assert.NoError(t, err)
assert.Equal(t, "test_flag", strings.TrimSpace(string(output)))
})
t.Run("non-zero exit codes don't return errors", func(t *testing.T) {
var testCmd string
if runtime.GOOS == "windows" {
testCmd = "echo hello | Select-String notfound"
} else {
testCmd = "echo 'hello' | grep 'notfound'"
}
_, err := client.ExecuteCommand(ctx, testCmd)
assert.NoError(t, err)
})
}
func TestSSHClient_ConnectionHandling(t *testing.T) {
server, serverAddr, _ := setupTestSSHServerAndClient(t)
defer func() {
@@ -106,6 +154,59 @@ func TestSSHClient_ConnectionHandling(t *testing.T) {
}
}
func TestSSHClient_ContextCancellation(t *testing.T) {
server, serverAddr, _ := setupTestSSHServerAndClient(t)
defer func() {
err := server.Stop()
require.NoError(t, err)
}()
t.Run("connection with short timeout", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Millisecond)
defer cancel()
currentUser := testutil.GetTestUsername(t)
_, err := Dial(ctx, serverAddr, currentUser, DialOptions{
InsecureSkipVerify: true,
})
if err != nil {
// Check for actual timeout-related errors rather than string matching
assert.True(t,
errors.Is(err, context.DeadlineExceeded) ||
errors.Is(err, context.Canceled) ||
strings.Contains(err.Error(), "timeout"),
"Expected timeout-related error, got: %v", err)
}
})
t.Run("command execution cancellation", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
currentUser := testutil.GetTestUsername(t)
client, err := Dial(ctx, serverAddr, currentUser, DialOptions{
InsecureSkipVerify: true,
})
require.NoError(t, err)
defer func() {
if err := client.Close(); err != nil {
t.Logf("client close error: %v", err)
}
}()
cmdCtx, cmdCancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
defer cmdCancel()
err = client.ExecuteCommandWithPTY(cmdCtx, "sleep 10")
if err != nil {
var exitMissingErr *cryptossh.ExitMissingError
isValidCancellation := errors.Is(err, context.DeadlineExceeded) ||
errors.Is(err, context.Canceled) ||
errors.As(err, &exitMissingErr)
assert.True(t, isValidCancellation, "Should handle command cancellation properly")
}
})
}
func TestSSHClient_NoAuthMode(t *testing.T) {
hostKey, err := ssh.GeneratePrivateKey(ssh.ED25519)
require.NoError(t, err)

View File

@@ -1,423 +0,0 @@
//go:build privileged
package proxy
import (
"bytes"
"context"
"crypto/rand"
"crypto/rsa"
"encoding/base64"
"encoding/json"
"io"
"math/big"
"net"
"net/http"
"net/http/httptest"
"os"
"runtime"
"strconv"
"testing"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
cryptossh "golang.org/x/crypto/ssh"
nbssh "github.com/netbirdio/netbird/client/ssh"
"github.com/netbirdio/netbird/client/ssh/server"
"github.com/netbirdio/netbird/client/ssh/testutil"
nbjwt "github.com/netbirdio/netbird/shared/auth/jwt"
sshauth "github.com/netbirdio/netbird/shared/sessionauth"
sshuserhash "github.com/netbirdio/netbird/shared/sshauth"
)
func (m *mockDaemon) setJWTToken(token string) {
m.impl.jwtToken = token
}
func TestSSHProxy_Connect(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
// TODO: Windows test times out - user switching and command execution tested on Linux
if runtime.GOOS == "windows" {
t.Skip("Skipping on Windows - covered by Linux tests")
}
const (
issuer = "https://test-issuer.example.com"
audience = "test-audience"
)
jwksServer, privateKey, jwksURL := setupJWKSServer(t)
defer jwksServer.Close()
hostKey, err := nbssh.GeneratePrivateKey(nbssh.ED25519)
require.NoError(t, err)
hostPubKey, err := nbssh.GeneratePublicKey(hostKey)
require.NoError(t, err)
serverConfig := &server.Config{
HostKeyPEM: hostKey,
JWT: &server.JWTConfig{
Issuer: issuer,
Audiences: []string{audience},
KeysLocation: jwksURL,
},
}
sshServer := server.New(serverConfig)
sshServer.SetAllowRootLogin(true)
// Configure SSH authorization for the test user
testUsername := testutil.GetTestUsername(t)
testJWTUser := "test-username"
testUserHash, err := sshuserhash.HashUserID(testJWTUser)
require.NoError(t, err)
authConfig := &sshauth.Config{
UserIDClaim: sshauth.DefaultUserIDClaim,
AuthorizedUsers: []sshuserhash.UserIDHash{testUserHash},
MachineUsers: map[string][]uint32{
testUsername: {0}, // Index 0 in AuthorizedUsers
},
}
sshServer.UpdateSSHAuth(authConfig)
sshServerAddr := server.StartTestServer(t, sshServer)
defer func() { _ = sshServer.Stop() }()
mockDaemon := startMockDaemon(t)
defer mockDaemon.stop()
host, portStr, err := net.SplitHostPort(sshServerAddr)
require.NoError(t, err)
port, err := strconv.Atoi(portStr)
require.NoError(t, err)
mockDaemon.setHostKey(host, hostPubKey)
validToken := generateValidJWT(t, privateKey, issuer, audience, testJWTUser)
mockDaemon.setJWTToken(validToken)
proxyInstance, err := New(mockDaemon.addr, host, port, io.Discard, nil)
require.NoError(t, err)
clientConn, proxyConn := net.Pipe()
defer func() { _ = clientConn.Close() }()
origStdin := os.Stdin
origStdout := os.Stdout
defer func() {
os.Stdin = origStdin
os.Stdout = origStdout
}()
stdinReader, stdinWriter, err := os.Pipe()
require.NoError(t, err)
stdoutReader, stdoutWriter, err := os.Pipe()
require.NoError(t, err)
os.Stdin = stdinReader
os.Stdout = stdoutWriter
go func() {
_, _ = io.Copy(stdinWriter, proxyConn)
}()
go func() {
_, _ = io.Copy(proxyConn, stdoutReader)
}()
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
connectErrCh := make(chan error, 1)
go func() {
connectErrCh <- proxyInstance.Connect(ctx)
}()
sshConfig := &cryptossh.ClientConfig{
User: testutil.GetTestUsername(t),
Auth: []cryptossh.AuthMethod{},
HostKeyCallback: cryptossh.InsecureIgnoreHostKey(),
Timeout: 3 * time.Second,
}
sshClientConn, chans, reqs, err := cryptossh.NewClientConn(clientConn, "test", sshConfig)
require.NoError(t, err, "Should connect to proxy server")
defer func() { _ = sshClientConn.Close() }()
sshClient := cryptossh.NewClient(sshClientConn, chans, reqs)
session, err := sshClient.NewSession()
require.NoError(t, err, "Should create session through full proxy to backend")
outputCh := make(chan []byte, 1)
errCh := make(chan error, 1)
go func() {
output, err := session.Output("echo hello-from-proxy")
outputCh <- output
errCh <- err
}()
select {
case output := <-outputCh:
err := <-errCh
require.NoError(t, err, "Command should execute successfully through proxy")
assert.Contains(t, string(output), "hello-from-proxy", "Should receive command output through proxy")
case <-time.After(3 * time.Second):
t.Fatal("Command execution timed out")
}
_ = session.Close()
_ = sshClient.Close()
_ = clientConn.Close()
cancel()
}
// TestSSHProxy_CommandQuoting verifies that the proxy preserves shell quoting
// when forwarding commands to the backend. This is critical for tools like
// Ansible that send commands such as:
//
// /bin/sh -c '( umask 77 && mkdir -p ... ) && sleep 0'
//
// The single quotes must be preserved so the backend shell receives the
// subshell expression as a single argument to -c.
func TestSSHProxy_CommandQuoting(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
sshClient, cleanup := setupProxySSHClient(t)
defer cleanup()
// These commands simulate what the SSH protocol delivers as exec payloads.
// When a user types: ssh host '/bin/sh -c "( echo hello )"'
// the local shell strips the outer single quotes, and the SSH exec request
// contains the raw string: /bin/sh -c "( echo hello )"
//
// The proxy must forward this string verbatim. Using session.Command()
// (shlex.Split + strings.Join) strips the inner double quotes, breaking
// the command on the backend.
tests := []struct {
name string
command string
expect string
}{
{
name: "subshell_in_double_quotes",
command: `/bin/sh -c "( echo from-subshell ) && echo outer"`,
expect: "from-subshell\nouter\n",
},
{
name: "printf_with_special_chars",
command: `/bin/sh -c "printf '%s\n' 'hello world'"`,
expect: "hello world\n",
},
{
name: "nested_command_substitution",
command: `/bin/sh -c "echo $(echo nested)"`,
expect: "nested\n",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
session, err := sshClient.NewSession()
require.NoError(t, err)
defer func() { _ = session.Close() }()
var stderrBuf bytes.Buffer
session.Stderr = &stderrBuf
outputCh := make(chan []byte, 1)
errCh := make(chan error, 1)
go func() {
output, err := session.Output(tc.command)
outputCh <- output
errCh <- err
}()
select {
case output := <-outputCh:
err := <-errCh
if stderrBuf.Len() > 0 {
t.Logf("stderr: %s", stderrBuf.String())
}
require.NoError(t, err, "command should succeed: %s", tc.command)
assert.Equal(t, tc.expect, string(output), "output mismatch for: %s", tc.command)
case <-time.After(5 * time.Second):
t.Fatalf("command timed out: %s", tc.command)
}
})
}
}
// setupProxySSHClient creates a full proxy test environment and returns
// an SSH client connected through the proxy to a backend NetBird SSH server.
func setupProxySSHClient(t *testing.T) (*cryptossh.Client, func()) {
t.Helper()
const (
issuer = "https://test-issuer.example.com"
audience = "test-audience"
)
jwksServer, privateKey, jwksURL := setupJWKSServer(t)
hostKey, err := nbssh.GeneratePrivateKey(nbssh.ED25519)
require.NoError(t, err)
hostPubKey, err := nbssh.GeneratePublicKey(hostKey)
require.NoError(t, err)
serverConfig := &server.Config{
HostKeyPEM: hostKey,
JWT: &server.JWTConfig{
Issuer: issuer,
Audiences: []string{audience},
KeysLocation: jwksURL,
},
}
sshServer := server.New(serverConfig)
sshServer.SetAllowRootLogin(true)
testUsername := testutil.GetTestUsername(t)
testJWTUser := "test-username"
testUserHash, err := sshuserhash.HashUserID(testJWTUser)
require.NoError(t, err)
authConfig := &sshauth.Config{
UserIDClaim: sshauth.DefaultUserIDClaim,
AuthorizedUsers: []sshuserhash.UserIDHash{testUserHash},
MachineUsers: map[string][]uint32{
testUsername: {0},
},
}
sshServer.UpdateSSHAuth(authConfig)
sshServerAddr := server.StartTestServer(t, sshServer)
mockDaemon := startMockDaemon(t)
host, portStr, err := net.SplitHostPort(sshServerAddr)
require.NoError(t, err)
port, err := strconv.Atoi(portStr)
require.NoError(t, err)
mockDaemon.setHostKey(host, hostPubKey)
validToken := generateValidJWT(t, privateKey, issuer, audience, testJWTUser)
mockDaemon.setJWTToken(validToken)
proxyInstance, err := New(mockDaemon.addr, host, port, io.Discard, nil)
require.NoError(t, err)
origStdin := os.Stdin
origStdout := os.Stdout
stdinReader, stdinWriter, err := os.Pipe()
require.NoError(t, err)
stdoutReader, stdoutWriter, err := os.Pipe()
require.NoError(t, err)
os.Stdin = stdinReader
os.Stdout = stdoutWriter
clientConn, proxyConn := net.Pipe()
go func() { _, _ = io.Copy(stdinWriter, proxyConn) }()
go func() { _, _ = io.Copy(proxyConn, stdoutReader) }()
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
go func() {
_ = proxyInstance.Connect(ctx)
}()
sshConfig := &cryptossh.ClientConfig{
User: testutil.GetTestUsername(t),
Auth: []cryptossh.AuthMethod{},
HostKeyCallback: cryptossh.InsecureIgnoreHostKey(),
Timeout: 5 * time.Second,
}
sshClientConn, chans, reqs, err := cryptossh.NewClientConn(clientConn, "test", sshConfig)
require.NoError(t, err)
client := cryptossh.NewClient(sshClientConn, chans, reqs)
cleanupFn := func() {
_ = client.Close()
_ = clientConn.Close()
cancel()
os.Stdin = origStdin
os.Stdout = origStdout
_ = sshServer.Stop()
mockDaemon.stop()
jwksServer.Close()
}
return client, cleanupFn
}
func setupJWKSServer(t *testing.T) (*httptest.Server, *rsa.PrivateKey, string) {
t.Helper()
privateKey, jwksJSON := generateTestJWKS(t)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
if _, err := w.Write(jwksJSON); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}))
return server, privateKey, server.URL
}
func generateTestJWKS(t *testing.T) (*rsa.PrivateKey, []byte) {
t.Helper()
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
require.NoError(t, err)
publicKey := &privateKey.PublicKey
n := publicKey.N.Bytes()
e := publicKey.E
jwk := nbjwt.JSONWebKey{
Kty: "RSA",
Kid: "test-key-id",
Use: "sig",
N: base64.RawURLEncoding.EncodeToString(n),
E: base64.RawURLEncoding.EncodeToString(big.NewInt(int64(e)).Bytes()),
}
jwks := nbjwt.Jwks{
Keys: []nbjwt.JSONWebKey{jwk},
}
jwksJSON, err := json.Marshal(jwks)
require.NoError(t, err)
return privateKey, jwksJSON
}
func generateValidJWT(t *testing.T, privateKey *rsa.PrivateKey, issuer, audience string, user string) string {
t.Helper()
claims := jwt.MapClaims{
"iss": issuer,
"aud": audience,
"sub": user,
"exp": time.Now().Add(time.Hour).Unix(),
"iat": time.Now().Unix(),
}
token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
token.Header["kid"] = "test-key-id"
tokenString, err := token.SignedString(privateKey)
require.NoError(t, err)
return tokenString
}

View File

@@ -1,12 +1,25 @@
package proxy
import (
"bytes"
"context"
"crypto/rand"
"crypto/rsa"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"math/big"
"net"
"net/http"
"net/http/httptest"
"os"
"runtime"
"strconv"
"testing"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
cryptossh "golang.org/x/crypto/ssh"
@@ -15,7 +28,11 @@ import (
"github.com/netbirdio/netbird/client/proto"
nbssh "github.com/netbirdio/netbird/client/ssh"
sshauth "github.com/netbirdio/netbird/client/ssh/auth"
"github.com/netbirdio/netbird/client/ssh/server"
"github.com/netbirdio/netbird/client/ssh/testutil"
nbjwt "github.com/netbirdio/netbird/shared/auth/jwt"
sshuserhash "github.com/netbirdio/netbird/shared/sshauth"
)
func TestMain(m *testing.M) {
@@ -89,6 +106,331 @@ func TestSSHProxy_verifyHostKey(t *testing.T) {
})
}
func TestSSHProxy_Connect(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
// TODO: Windows test times out - user switching and command execution tested on Linux
if runtime.GOOS == "windows" {
t.Skip("Skipping on Windows - covered by Linux tests")
}
const (
issuer = "https://test-issuer.example.com"
audience = "test-audience"
)
jwksServer, privateKey, jwksURL := setupJWKSServer(t)
defer jwksServer.Close()
hostKey, err := nbssh.GeneratePrivateKey(nbssh.ED25519)
require.NoError(t, err)
hostPubKey, err := nbssh.GeneratePublicKey(hostKey)
require.NoError(t, err)
serverConfig := &server.Config{
HostKeyPEM: hostKey,
JWT: &server.JWTConfig{
Issuer: issuer,
Audiences: []string{audience},
KeysLocation: jwksURL,
},
}
sshServer := server.New(serverConfig)
sshServer.SetAllowRootLogin(true)
// Configure SSH authorization for the test user
testUsername := testutil.GetTestUsername(t)
testJWTUser := "test-username"
testUserHash, err := sshuserhash.HashUserID(testJWTUser)
require.NoError(t, err)
authConfig := &sshauth.Config{
UserIDClaim: sshauth.DefaultUserIDClaim,
AuthorizedUsers: []sshuserhash.UserIDHash{testUserHash},
MachineUsers: map[string][]uint32{
testUsername: {0}, // Index 0 in AuthorizedUsers
},
}
sshServer.UpdateSSHAuth(authConfig)
sshServerAddr := server.StartTestServer(t, sshServer)
defer func() { _ = sshServer.Stop() }()
mockDaemon := startMockDaemon(t)
defer mockDaemon.stop()
host, portStr, err := net.SplitHostPort(sshServerAddr)
require.NoError(t, err)
port, err := strconv.Atoi(portStr)
require.NoError(t, err)
mockDaemon.setHostKey(host, hostPubKey)
validToken := generateValidJWT(t, privateKey, issuer, audience, testJWTUser)
mockDaemon.setJWTToken(validToken)
proxyInstance, err := New(mockDaemon.addr, host, port, io.Discard, nil)
require.NoError(t, err)
clientConn, proxyConn := net.Pipe()
defer func() { _ = clientConn.Close() }()
origStdin := os.Stdin
origStdout := os.Stdout
defer func() {
os.Stdin = origStdin
os.Stdout = origStdout
}()
stdinReader, stdinWriter, err := os.Pipe()
require.NoError(t, err)
stdoutReader, stdoutWriter, err := os.Pipe()
require.NoError(t, err)
os.Stdin = stdinReader
os.Stdout = stdoutWriter
go func() {
_, _ = io.Copy(stdinWriter, proxyConn)
}()
go func() {
_, _ = io.Copy(proxyConn, stdoutReader)
}()
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
connectErrCh := make(chan error, 1)
go func() {
connectErrCh <- proxyInstance.Connect(ctx)
}()
sshConfig := &cryptossh.ClientConfig{
User: testutil.GetTestUsername(t),
Auth: []cryptossh.AuthMethod{},
HostKeyCallback: cryptossh.InsecureIgnoreHostKey(),
Timeout: 3 * time.Second,
}
sshClientConn, chans, reqs, err := cryptossh.NewClientConn(clientConn, "test", sshConfig)
require.NoError(t, err, "Should connect to proxy server")
defer func() { _ = sshClientConn.Close() }()
sshClient := cryptossh.NewClient(sshClientConn, chans, reqs)
session, err := sshClient.NewSession()
require.NoError(t, err, "Should create session through full proxy to backend")
outputCh := make(chan []byte, 1)
errCh := make(chan error, 1)
go func() {
output, err := session.Output("echo hello-from-proxy")
outputCh <- output
errCh <- err
}()
select {
case output := <-outputCh:
err := <-errCh
require.NoError(t, err, "Command should execute successfully through proxy")
assert.Contains(t, string(output), "hello-from-proxy", "Should receive command output through proxy")
case <-time.After(3 * time.Second):
t.Fatal("Command execution timed out")
}
_ = session.Close()
_ = sshClient.Close()
_ = clientConn.Close()
cancel()
}
// TestSSHProxy_CommandQuoting verifies that the proxy preserves shell quoting
// when forwarding commands to the backend. This is critical for tools like
// Ansible that send commands such as:
//
// /bin/sh -c '( umask 77 && mkdir -p ... ) && sleep 0'
//
// The single quotes must be preserved so the backend shell receives the
// subshell expression as a single argument to -c.
func TestSSHProxy_CommandQuoting(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
sshClient, cleanup := setupProxySSHClient(t)
defer cleanup()
// These commands simulate what the SSH protocol delivers as exec payloads.
// When a user types: ssh host '/bin/sh -c "( echo hello )"'
// the local shell strips the outer single quotes, and the SSH exec request
// contains the raw string: /bin/sh -c "( echo hello )"
//
// The proxy must forward this string verbatim. Using session.Command()
// (shlex.Split + strings.Join) strips the inner double quotes, breaking
// the command on the backend.
tests := []struct {
name string
command string
expect string
}{
{
name: "subshell_in_double_quotes",
command: `/bin/sh -c "( echo from-subshell ) && echo outer"`,
expect: "from-subshell\nouter\n",
},
{
name: "printf_with_special_chars",
command: `/bin/sh -c "printf '%s\n' 'hello world'"`,
expect: "hello world\n",
},
{
name: "nested_command_substitution",
command: `/bin/sh -c "echo $(echo nested)"`,
expect: "nested\n",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
session, err := sshClient.NewSession()
require.NoError(t, err)
defer func() { _ = session.Close() }()
var stderrBuf bytes.Buffer
session.Stderr = &stderrBuf
outputCh := make(chan []byte, 1)
errCh := make(chan error, 1)
go func() {
output, err := session.Output(tc.command)
outputCh <- output
errCh <- err
}()
select {
case output := <-outputCh:
err := <-errCh
if stderrBuf.Len() > 0 {
t.Logf("stderr: %s", stderrBuf.String())
}
require.NoError(t, err, "command should succeed: %s", tc.command)
assert.Equal(t, tc.expect, string(output), "output mismatch for: %s", tc.command)
case <-time.After(5 * time.Second):
t.Fatalf("command timed out: %s", tc.command)
}
})
}
}
// setupProxySSHClient creates a full proxy test environment and returns
// an SSH client connected through the proxy to a backend NetBird SSH server.
func setupProxySSHClient(t *testing.T) (*cryptossh.Client, func()) {
t.Helper()
const (
issuer = "https://test-issuer.example.com"
audience = "test-audience"
)
jwksServer, privateKey, jwksURL := setupJWKSServer(t)
hostKey, err := nbssh.GeneratePrivateKey(nbssh.ED25519)
require.NoError(t, err)
hostPubKey, err := nbssh.GeneratePublicKey(hostKey)
require.NoError(t, err)
serverConfig := &server.Config{
HostKeyPEM: hostKey,
JWT: &server.JWTConfig{
Issuer: issuer,
Audiences: []string{audience},
KeysLocation: jwksURL,
},
}
sshServer := server.New(serverConfig)
sshServer.SetAllowRootLogin(true)
testUsername := testutil.GetTestUsername(t)
testJWTUser := "test-username"
testUserHash, err := sshuserhash.HashUserID(testJWTUser)
require.NoError(t, err)
authConfig := &sshauth.Config{
UserIDClaim: sshauth.DefaultUserIDClaim,
AuthorizedUsers: []sshuserhash.UserIDHash{testUserHash},
MachineUsers: map[string][]uint32{
testUsername: {0},
},
}
sshServer.UpdateSSHAuth(authConfig)
sshServerAddr := server.StartTestServer(t, sshServer)
mockDaemon := startMockDaemon(t)
host, portStr, err := net.SplitHostPort(sshServerAddr)
require.NoError(t, err)
port, err := strconv.Atoi(portStr)
require.NoError(t, err)
mockDaemon.setHostKey(host, hostPubKey)
validToken := generateValidJWT(t, privateKey, issuer, audience, testJWTUser)
mockDaemon.setJWTToken(validToken)
proxyInstance, err := New(mockDaemon.addr, host, port, io.Discard, nil)
require.NoError(t, err)
origStdin := os.Stdin
origStdout := os.Stdout
stdinReader, stdinWriter, err := os.Pipe()
require.NoError(t, err)
stdoutReader, stdoutWriter, err := os.Pipe()
require.NoError(t, err)
os.Stdin = stdinReader
os.Stdout = stdoutWriter
clientConn, proxyConn := net.Pipe()
go func() { _, _ = io.Copy(stdinWriter, proxyConn) }()
go func() { _, _ = io.Copy(proxyConn, stdoutReader) }()
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
go func() {
_ = proxyInstance.Connect(ctx)
}()
sshConfig := &cryptossh.ClientConfig{
User: testutil.GetTestUsername(t),
Auth: []cryptossh.AuthMethod{},
HostKeyCallback: cryptossh.InsecureIgnoreHostKey(),
Timeout: 5 * time.Second,
}
sshClientConn, chans, reqs, err := cryptossh.NewClientConn(clientConn, "test", sshConfig)
require.NoError(t, err)
client := cryptossh.NewClient(sshClientConn, chans, reqs)
cleanupFn := func() {
_ = client.Close()
_ = clientConn.Close()
cancel()
os.Stdin = origStdin
os.Stdout = origStdout
_ = sshServer.Stop()
mockDaemon.stop()
jwksServer.Close()
}
return client, cleanupFn
}
type mockDaemonServer struct {
proto.UnimplementedDaemonServiceServer
hostKeys map[string][]byte
@@ -150,6 +492,10 @@ func (m *mockDaemon) setHostKey(addr string, pubKey []byte) {
m.impl.hostKeys[addr] = pubKey
}
func (m *mockDaemon) setJWTToken(token string) {
m.impl.jwtToken = token
}
func (m *mockDaemon) stop() {
if m.server != nil {
m.server.Stop()
@@ -162,3 +508,63 @@ func mustParsePublicKey(t *testing.T, pubKeyBytes []byte) cryptossh.PublicKey {
require.NoError(t, err)
return pubKey
}
func setupJWKSServer(t *testing.T) (*httptest.Server, *rsa.PrivateKey, string) {
t.Helper()
privateKey, jwksJSON := generateTestJWKS(t)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
if _, err := w.Write(jwksJSON); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}))
return server, privateKey, server.URL
}
func generateTestJWKS(t *testing.T) (*rsa.PrivateKey, []byte) {
t.Helper()
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
require.NoError(t, err)
publicKey := &privateKey.PublicKey
n := publicKey.N.Bytes()
e := publicKey.E
jwk := nbjwt.JSONWebKey{
Kty: "RSA",
Kid: "test-key-id",
Use: "sig",
N: base64.RawURLEncoding.EncodeToString(n),
E: base64.RawURLEncoding.EncodeToString(big.NewInt(int64(e)).Bytes()),
}
jwks := nbjwt.Jwks{
Keys: []nbjwt.JSONWebKey{jwk},
}
jwksJSON, err := json.Marshal(jwks)
require.NoError(t, err)
return privateKey, jwksJSON
}
func generateValidJWT(t *testing.T, privateKey *rsa.PrivateKey, issuer, audience string, user string) string {
t.Helper()
claims := jwt.MapClaims{
"iss": issuer,
"aud": audience,
"sub": user,
"exp": time.Now().Add(time.Hour).Unix(),
"iat": time.Now().Unix(),
}
token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
token.Header["kid"] = "test-key-id"
tokenString, err := token.SignedString(privateKey)
require.NoError(t, err)
return tokenString
}

View File

@@ -1,66 +0,0 @@
//go:build unix && privileged
package server
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPrivilegeDropper_CreateExecutorCommand(t *testing.T) {
pd := NewPrivilegeDropper()
config := ExecutorConfig{
UID: 1000,
GID: 1000,
Groups: []uint32{1000, 1001},
WorkingDir: "/home/testuser",
Shell: "/bin/bash",
Command: "ls -la",
}
cmd, err := pd.CreateExecutorCommand(context.Background(), config)
require.NoError(t, err)
require.NotNil(t, cmd)
// Verify the command is calling netbird ssh exec
assert.Contains(t, cmd.Args, "ssh")
assert.Contains(t, cmd.Args, "exec")
assert.Contains(t, cmd.Args, "--uid")
assert.Contains(t, cmd.Args, "1000")
assert.Contains(t, cmd.Args, "--gid")
assert.Contains(t, cmd.Args, "1000")
assert.Contains(t, cmd.Args, "--groups")
assert.Contains(t, cmd.Args, "1000")
assert.Contains(t, cmd.Args, "1001")
assert.Contains(t, cmd.Args, "--working-dir")
assert.Contains(t, cmd.Args, "/home/testuser")
assert.Contains(t, cmd.Args, "--shell")
assert.Contains(t, cmd.Args, "/bin/bash")
assert.Contains(t, cmd.Args, "--cmd")
assert.Contains(t, cmd.Args, "ls -la")
}
func TestPrivilegeDropper_CreateExecutorCommandInteractive(t *testing.T) {
pd := NewPrivilegeDropper()
config := ExecutorConfig{
UID: 1000,
GID: 1000,
Groups: []uint32{1000},
WorkingDir: "/home/testuser",
Shell: "/bin/bash",
Command: "",
}
cmd, err := pd.CreateExecutorCommand(context.Background(), config)
require.NoError(t, err)
require.NotNil(t, cmd)
// Verify no command mode (command is empty so no --cmd flag)
assert.NotContains(t, cmd.Args, "--cmd")
assert.NotContains(t, cmd.Args, "--interactive")
}

View File

@@ -73,6 +73,61 @@ func TestPrivilegeDropper_ValidatePrivileges(t *testing.T) {
}
}
func TestPrivilegeDropper_CreateExecutorCommand(t *testing.T) {
pd := NewPrivilegeDropper()
config := ExecutorConfig{
UID: 1000,
GID: 1000,
Groups: []uint32{1000, 1001},
WorkingDir: "/home/testuser",
Shell: "/bin/bash",
Command: "ls -la",
}
cmd, err := pd.CreateExecutorCommand(context.Background(), config)
require.NoError(t, err)
require.NotNil(t, cmd)
// Verify the command is calling netbird ssh exec
assert.Contains(t, cmd.Args, "ssh")
assert.Contains(t, cmd.Args, "exec")
assert.Contains(t, cmd.Args, "--uid")
assert.Contains(t, cmd.Args, "1000")
assert.Contains(t, cmd.Args, "--gid")
assert.Contains(t, cmd.Args, "1000")
assert.Contains(t, cmd.Args, "--groups")
assert.Contains(t, cmd.Args, "1000")
assert.Contains(t, cmd.Args, "1001")
assert.Contains(t, cmd.Args, "--working-dir")
assert.Contains(t, cmd.Args, "/home/testuser")
assert.Contains(t, cmd.Args, "--shell")
assert.Contains(t, cmd.Args, "/bin/bash")
assert.Contains(t, cmd.Args, "--cmd")
assert.Contains(t, cmd.Args, "ls -la")
}
func TestPrivilegeDropper_CreateExecutorCommandInteractive(t *testing.T) {
pd := NewPrivilegeDropper()
config := ExecutorConfig{
UID: 1000,
GID: 1000,
Groups: []uint32{1000},
WorkingDir: "/home/testuser",
Shell: "/bin/bash",
Command: "",
}
cmd, err := pd.CreateExecutorCommand(context.Background(), config)
require.NoError(t, err)
require.NotNil(t, cmd)
// Verify no command mode (command is empty so no --cmd flag)
assert.NotContains(t, cmd.Args, "--cmd")
assert.NotContains(t, cmd.Args, "--interactive")
}
// TestPrivilegeDropper_ActualPrivilegeDrop tests actual privilege dropping
// This test requires root privileges and will be skipped if not running as root
func TestPrivilegeDropper_ActualPrivilegeDrop(t *testing.T) {

View File

@@ -23,11 +23,11 @@ import (
"github.com/stretchr/testify/require"
nbssh "github.com/netbirdio/netbird/client/ssh"
sshauth "github.com/netbirdio/netbird/client/ssh/auth"
"github.com/netbirdio/netbird/client/ssh/client"
"github.com/netbirdio/netbird/client/ssh/detection"
"github.com/netbirdio/netbird/client/ssh/testutil"
nbjwt "github.com/netbirdio/netbird/shared/auth/jwt"
sshauth "github.com/netbirdio/netbird/shared/sessionauth"
sshuserhash "github.com/netbirdio/netbird/shared/sshauth"
)

View File

@@ -23,10 +23,10 @@ import (
"golang.zx2c4.com/wireguard/tun/netstack"
"github.com/netbirdio/netbird/client/iface/wgaddr"
sshauth "github.com/netbirdio/netbird/client/ssh/auth"
"github.com/netbirdio/netbird/client/ssh/detection"
"github.com/netbirdio/netbird/shared/auth"
"github.com/netbirdio/netbird/shared/auth/jwt"
sshauth "github.com/netbirdio/netbird/shared/sessionauth"
"github.com/netbirdio/netbird/util/netrelay"
"github.com/netbirdio/netbird/version"
)
@@ -197,14 +197,6 @@ type Config struct {
// HostKey is the SSH server host key in PEM format
HostKeyPEM []byte
// NetstackNet, when non-nil, makes the SSH server listen via the
// supplied userspace network stack instead of an OS socket.
NetstackNet *netstack.Net
// NetworkValidation, when non-zero, restricts inbound connections to
// peers inside the NetBird overlay defined by this WireGuard address.
NetworkValidation wgaddr.Address
}
// SessionInfo contains information about an active SSH session
@@ -216,15 +208,12 @@ type SessionInfo struct {
PortForwards []string
}
// New creates an SSH server instance from the supplied Config. Fields are
// read once at construction; mutating Config afterwards has no effect.
// JWT == nil disables JWT authentication.
// New creates an SSH server instance with the provided host key and optional JWT configuration
// If jwtConfig is nil, JWT authentication is disabled
func New(config *Config) *Server {
s := &Server{
mu: sync.RWMutex{},
hostKeyPEM: config.HostKeyPEM,
netstackNet: config.NetstackNet,
wgAddress: config.NetworkValidation,
sessions: make(map[sessionKey]*sessionState),
pendingAuthJWT: make(map[authKey]string),
remoteForwardListeners: make(map[forwardKey]net.Listener),
@@ -445,6 +434,20 @@ func (s *Server) buildSessionInfo(state *sessionState) SessionInfo {
return info
}
// SetNetstackNet sets the netstack network for userspace networking
func (s *Server) SetNetstackNet(net *netstack.Net) {
s.mu.Lock()
defer s.mu.Unlock()
s.netstackNet = net
}
// SetNetworkValidation configures network-based connection filtering
func (s *Server) SetNetworkValidation(addr wgaddr.Address) {
s.mu.Lock()
defer s.mu.Unlock()
s.wgAddress = addr
}
// UpdateSSHAuth updates the SSH fine-grained access control configuration
// This should be called when network map updates include new SSH auth configuration
func (s *Server) UpdateSSHAuth(config *sshauth.Config) {

View File

@@ -132,19 +132,6 @@ type SSHServerStateOutput struct {
Sessions []SSHSessionOutput `json:"sessions" yaml:"sessions"`
}
type VNCSessionOutput struct {
RemoteAddress string `json:"remoteAddress" yaml:"remoteAddress"`
Mode string `json:"mode" yaml:"mode"`
Username string `json:"username,omitempty" yaml:"username,omitempty"`
UserID string `json:"userID,omitempty" yaml:"userID,omitempty"`
Initiator string `json:"initiator,omitempty" yaml:"initiator,omitempty"`
}
type VNCServerStateOutput struct {
Enabled bool `json:"enabled" yaml:"enabled"`
Sessions []VNCSessionOutput `json:"sessions" yaml:"sessions"`
}
type OutputOverview struct {
Peers PeersStateOutput `json:"peers" yaml:"peers"`
CliVersion string `json:"cliVersion" yaml:"cliVersion"`
@@ -168,7 +155,6 @@ type OutputOverview struct {
LazyConnectionEnabled bool `json:"lazyConnectionEnabled" yaml:"lazyConnectionEnabled"`
ProfileName string `json:"profileName" yaml:"profileName"`
SSHServerState SSHServerStateOutput `json:"sshServer" yaml:"sshServer"`
VNCServerState VNCServerStateOutput `json:"vncServer" yaml:"vncServer"`
}
// ConvertToStatusOutputOverview converts protobuf status to the output overview.
@@ -189,7 +175,6 @@ func ConvertToStatusOutputOverview(pbFullStatus *proto.FullStatus, opts ConvertO
relayOverview := mapRelays(pbFullStatus.GetRelays())
sshServerOverview := mapSSHServer(pbFullStatus.GetSshServerState())
vncServerOverview := mapVNCServer(pbFullStatus.GetVncServerState())
peersOverview := mapPeers(pbFullStatus.GetPeers(), opts.StatusFilter, opts.PrefixNamesFilter, opts.PrefixNamesFilterMap, opts.IPsFilter, opts.ConnectionTypeFilter)
overview := OutputOverview{
@@ -215,7 +200,6 @@ func ConvertToStatusOutputOverview(pbFullStatus *proto.FullStatus, opts ConvertO
LazyConnectionEnabled: pbFullStatus.GetLazyConnectionEnabled(),
ProfileName: opts.ProfileName,
SSHServerState: sshServerOverview,
VNCServerState: vncServerOverview,
}
if opts.Anonymize {
@@ -297,26 +281,6 @@ func mapSSHServer(sshServerState *proto.SSHServerState) SSHServerStateOutput {
}
}
func mapVNCServer(state *proto.VNCServerState) VNCServerStateOutput {
if state == nil {
return VNCServerStateOutput{Sessions: []VNCSessionOutput{}}
}
sessions := make([]VNCSessionOutput, 0, len(state.GetSessions()))
for _, sess := range state.GetSessions() {
sessions = append(sessions, VNCSessionOutput{
RemoteAddress: sess.GetRemoteAddress(),
Mode: sess.GetMode(),
Username: sess.GetUsername(),
UserID: sess.GetUserID(),
Initiator: sess.GetInitiator(),
})
}
return VNCServerStateOutput{
Enabled: state.GetEnabled(),
Sessions: sessions,
}
}
func mapPeers(
peers []*proto.PeerState,
statusFilter string,
@@ -581,26 +545,6 @@ func (o *OutputOverview) GeneralSummary(showURL bool, showRelays bool, showNameS
}
}
vncServerStatus := "Disabled"
if o.VNCServerState.Enabled {
vncSessionCount := len(o.VNCServerState.Sessions)
if vncSessionCount > 0 {
sessionWord := "session"
if vncSessionCount > 1 {
sessionWord = "sessions"
}
vncServerStatus = fmt.Sprintf("Enabled (%d active %s)", vncSessionCount, sessionWord)
} else {
vncServerStatus = "Enabled"
}
if showSSHSessions && vncSessionCount > 0 {
for _, sess := range o.VNCServerState.Sessions {
vncServerStatus += "\n " + formatVNCSessionLine(sess)
}
}
}
peersCountString := fmt.Sprintf("%d/%d Connected", o.Peers.Connected, o.Peers.Total)
var forwardingRulesString string
@@ -647,7 +591,6 @@ func (o *OutputOverview) GeneralSummary(showURL bool, showRelays bool, showNameS
"Quantum resistance: %s\n"+
"Lazy connection: %s\n"+
"SSH Server: %s\n"+
"VNC Server: %s\n"+
"Networks: %s\n"+
"%s"+
"Peers count: %s\n",
@@ -667,7 +610,6 @@ func (o *OutputOverview) GeneralSummary(showURL bool, showRelays bool, showNameS
rosenpassEnabledStatus,
lazyConnectionEnabledStatus,
sshServerStatus,
vncServerStatus,
networks,
forwardingRulesString,
peersCountString,
@@ -1027,26 +969,6 @@ func anonymizePeerDetail(a *anonymize.Anonymizer, peer *PeerStateDetailOutput) {
}
}
// formatVNCSessionLine renders a single VNC session row for the detailed
// status output. The leading slot identifies the initiator (display name
// when known, hashed UserID otherwise); the post-arrow slot is the OS
// user the session targets and is omitted in attach mode where the
// destination is the current console user (unknown to the daemon).
func formatVNCSessionLine(sess VNCSessionOutput) string {
who := sess.Initiator
if who == "" {
who = sess.UserID
}
prefix := sess.RemoteAddress
if who != "" {
prefix = fmt.Sprintf("%s@%s", who, sess.RemoteAddress)
}
if sess.Username != "" {
return fmt.Sprintf("[%s -> %s] mode=%s", prefix, sess.Username, sess.Mode)
}
return fmt.Sprintf("[%s] mode=%s", prefix, sess.Mode)
}
func anonymizeOverview(a *anonymize.Anonymizer, overview *OutputOverview) {
for i, peer := range overview.Peers.Details {
peer := peer
@@ -1067,19 +989,6 @@ func anonymizeOverview(a *anonymize.Anonymizer, overview *OutputOverview) {
overview.Relays.Details[i] = detail
}
anonymizeNSServerGroups(a, overview)
for i, route := range overview.Networks {
overview.Networks[i] = a.AnonymizeRoute(route)
}
overview.FQDN = a.AnonymizeDomain(overview.FQDN)
anonymizeEvents(a, overview)
anonymizeServerSessions(a, overview)
}
func anonymizeNSServerGroups(a *anonymize.Anonymizer, overview *OutputOverview) {
for i, nsGroup := range overview.NSServerGroups {
for j, domain := range nsGroup.Domains {
overview.NSServerGroups[i].Domains[j] = a.AnonymizeDomain(domain)
@@ -1091,9 +1000,13 @@ func anonymizeNSServerGroups(a *anonymize.Anonymizer, overview *OutputOverview)
}
}
}
}
func anonymizeEvents(a *anonymize.Anonymizer, overview *OutputOverview) {
for i, route := range overview.Networks {
overview.Networks[i] = a.AnonymizeRoute(route)
}
overview.FQDN = a.AnonymizeDomain(overview.FQDN)
for i, event := range overview.Events {
overview.Events[i].Message = a.AnonymizeString(event.Message)
overview.Events[i].UserMessage = a.AnonymizeString(event.UserMessage)
@@ -1102,24 +1015,13 @@ func anonymizeEvents(a *anonymize.Anonymizer, overview *OutputOverview) {
event.Metadata[k] = a.AnonymizeString(v)
}
}
}
func anonymizeRemoteAddress(a *anonymize.Anonymizer, addr string) string {
if host, port, err := net.SplitHostPort(addr); err == nil {
return fmt.Sprintf("%s:%s", a.AnonymizeIPString(host), port)
}
return a.AnonymizeIPString(addr)
}
func anonymizeServerSessions(a *anonymize.Anonymizer, overview *OutputOverview) {
for i, session := range overview.SSHServerState.Sessions {
overview.SSHServerState.Sessions[i].RemoteAddress = anonymizeRemoteAddress(a, session.RemoteAddress)
if host, port, err := net.SplitHostPort(session.RemoteAddress); err == nil {
overview.SSHServerState.Sessions[i].RemoteAddress = fmt.Sprintf("%s:%s", a.AnonymizeIPString(host), port)
} else {
overview.SSHServerState.Sessions[i].RemoteAddress = a.AnonymizeIPString(session.RemoteAddress)
}
overview.SSHServerState.Sessions[i].Command = a.AnonymizeString(session.Command)
}
for i, sess := range overview.VNCServerState.Sessions {
overview.VNCServerState.Sessions[i].RemoteAddress = anonymizeRemoteAddress(a, sess.RemoteAddress)
overview.VNCServerState.Sessions[i].Username = a.AnonymizeString(sess.Username)
overview.VNCServerState.Sessions[i].UserID = a.AnonymizeString(sess.UserID)
overview.VNCServerState.Sessions[i].Initiator = a.AnonymizeString(sess.Initiator)
}
}

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