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Add support for IPv6 networks (on Linux clients) (#1459)

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* Feat add basic support for IPv6 networks

Newly generated networks automatically generate an IPv6 prefix of size
64 within the ULA address range, devices obtain a randomly generated
address within this prefix.

Currently, this is Linux only and does not yet support all features
(routes currently cause an error).

* Fix firewall configuration for IPv6 networks

* Fix routing configuration for IPv6 networks

* Feat provide info on IPv6 support for specific client to mgmt server

* Feat allow configuration of IPv6 support through API, improve stability

* Feat add IPv6 support to new firewall implementation

* Fix peer list item response not containing IPv6 address

* Fix nftables breaking on IPv6 address change

* Fix build issues for non-linux systems

* Fix intermittent disconnections when IPv6 is enabled

* Fix test issues and make some minor revisions

* Fix some more testing issues

* Fix more CI issues due to IPv6

* Fix more testing issues

* Add inheritance of IPv6 enablement status from groups

* Fix IPv6 events not having associated messages

* Address first review comments regarding IPv6 support

* Fix IPv6 table being created even when IPv6 is disabled

Also improved stability of IPv6 route and firewall handling on client side

* Fix IPv6 routes not being removed

* Fix DNS IPv6 issues, limit IPv6 nameservers to IPv6 peers

* Improve code for IPv6 DNS server selection, add AAAA custom records

* Ensure IPv6 routes can only exist for IPv6 routing peers

* Fix IPv6 network generation randomness

* Fix a bunch of compilation issues and test failures

* Replace method calls that are unavailable in Go 1.21

* Fix nil dereference in cleanUpDefaultForwardRules6

* Fix nil pointer dereference when persisting IPv6 network in sqlite

* Clean up of client-side code changes for IPv6

* Fix nil dereference in rule mangling and compilation issues

* Add a bunch of client-side test cases for IPv6

* Fix IPv6 tests running on unsupported environments

* Fix import cycle in tests

* Add missing method SupportsIPv6() for windows

* Require IPv6 default route for IPv6 tests

* Fix panics in routemanager tests on non-linux

* Fix some more route manager tests concerning IPv6

* Add some final client-side tests

* Add IPv6 tests for management code, small fixes

* Fix linting issues

* Fix small test suite issues

* Fix linter issues and builds on macOS and Windows again

* fix builds for iOS because of IPv6 breakage
This commit is contained in:
Hugo Hakim Damer
2024-08-13 17:26:27 +02:00
committed by GitHub
parent 4da29451d0
commit 8b0398c0db
85 changed files with 4311 additions and 795 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
iface/iface_linux.go
View File

@@ -5,14 +5,14 @@ package iface
import (
"fmt"
"github.com/pion/transport/v3"
"github.com/netbirdio/netbird/iface/netstack"
"github.com/pion/transport/v3"
log "github.com/sirupsen/logrus"
"golang.org/x/net/nettest"
)
// NewWGIFace Creates a new WireGuard interface instance
func NewWGIFace(iFaceName string, address string, wgPort int, wgPrivKey string, mtu int, transportNet transport.Net, args *MobileIFaceArguments) (*WGIface, error) {
func NewWGIFace(iFaceName string, address string, address6 string, wgPort int, wgPrivKey string, mtu int, transportNet transport.Net, args *MobileIFaceArguments) (*WGIface, error) {
wgAddress, err := parseWGAddress(address)
if err != nil {
return nil, err
@@ -20,6 +20,10 @@ func NewWGIFace(iFaceName string, address string, wgPort int, wgPrivKey string,
wgIFace := &WGIface{}
if netstack.IsEnabled() || !WireGuardModuleIsLoaded() && address6 != "" {
log.Errorf("Attempted to configure IPv6 address %s on unsupported device implementation (netstack or tun).", address6)
}
// move the kernel/usp/netstack preference evaluation to upper layer
if netstack.IsEnabled() {
wgIFace.tun = newTunNetstackDevice(iFaceName, wgAddress, wgPort, wgPrivKey, mtu, transportNet, netstack.ListenAddr())
@@ -28,7 +32,16 @@ func NewWGIFace(iFaceName string, address string, wgPort int, wgPrivKey string,
}
if WireGuardModuleIsLoaded() {
wgIFace.tun = newTunDevice(iFaceName, wgAddress, wgPort, wgPrivKey, mtu, transportNet)
var wgAddress6 *WGAddress = nil
if address6 != "" {
tmpWgAddress6, err := parseWGAddress(address6)
wgAddress6 = &tmpWgAddress6
if err != nil {
return wgIFace, err
}
}
wgIFace.tun = newTunDevice(iFaceName, wgAddress, wgAddress6, wgPort, wgPrivKey, mtu, transportNet)
wgIFace.userspaceBind = false
return wgIFace, nil
}
@@ -45,3 +58,7 @@ func NewWGIFace(iFaceName string, address string, wgPort int, wgPrivKey string,
func (w *WGIface) CreateOnAndroid([]string, string, []string) error {
return fmt.Errorf("this function has not implemented on this platform")
}
func SupportsIPv6() bool {
return nettest.SupportsIPv6() && WireGuardModuleIsLoaded() && !netstack.IsEnabled()
}