mirror of
https://github.com/netbirdio/netbird.git
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ef82905526
- Automatic Unix daemon address discovery: if the default socket is missing, the client can find and use a single available socket. - Client startup now resolves daemon addresses more robustly while preserving non-Unix behavior.
122 lines
3.0 KiB
Go
122 lines
3.0 KiB
Go
//go:build !windows && !ios && !android
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package daemonaddr
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// createSockFile creates a regular file with a .sock extension.
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// ResolveUnixDaemonAddr uses os.Stat (not net.Dial), so a regular file is
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// sufficient and avoids Unix socket path-length limits on macOS.
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func createSockFile(t *testing.T, path string) {
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t.Helper()
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if err := os.WriteFile(path, nil, 0o600); err != nil {
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t.Fatalf("failed to create test sock file at %s: %v", path, err)
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}
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}
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func TestResolveUnixDaemonAddr_DefaultExists(t *testing.T) {
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tmp := t.TempDir()
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sock := filepath.Join(tmp, "netbird.sock")
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createSockFile(t, sock)
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addr := "unix://" + sock
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got := ResolveUnixDaemonAddr(addr)
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if got != addr {
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t.Errorf("expected %s, got %s", addr, got)
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}
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}
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func TestResolveUnixDaemonAddr_SingleDiscovered(t *testing.T) {
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tmp := t.TempDir()
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// Default socket does not exist
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defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
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// Create a scan dir with one socket
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sd := filepath.Join(tmp, "netbird")
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if err := os.MkdirAll(sd, 0o755); err != nil {
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t.Fatal(err)
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}
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instanceSock := filepath.Join(sd, "main.sock")
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createSockFile(t, instanceSock)
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origScanDir := scanDir
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setScanDir(sd)
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t.Cleanup(func() { setScanDir(origScanDir) })
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got := ResolveUnixDaemonAddr(defaultAddr)
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expected := "unix://" + instanceSock
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if got != expected {
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t.Errorf("expected %s, got %s", expected, got)
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}
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}
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func TestResolveUnixDaemonAddr_MultipleDiscovered(t *testing.T) {
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tmp := t.TempDir()
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defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
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sd := filepath.Join(tmp, "netbird")
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if err := os.MkdirAll(sd, 0o755); err != nil {
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t.Fatal(err)
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}
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createSockFile(t, filepath.Join(sd, "main.sock"))
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createSockFile(t, filepath.Join(sd, "other.sock"))
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origScanDir := scanDir
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setScanDir(sd)
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t.Cleanup(func() { setScanDir(origScanDir) })
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got := ResolveUnixDaemonAddr(defaultAddr)
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if got != defaultAddr {
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t.Errorf("expected original %s, got %s", defaultAddr, got)
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}
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}
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func TestResolveUnixDaemonAddr_NoSocketsFound(t *testing.T) {
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tmp := t.TempDir()
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defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
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sd := filepath.Join(tmp, "netbird")
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if err := os.MkdirAll(sd, 0o755); err != nil {
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t.Fatal(err)
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}
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origScanDir := scanDir
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setScanDir(sd)
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t.Cleanup(func() { setScanDir(origScanDir) })
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got := ResolveUnixDaemonAddr(defaultAddr)
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if got != defaultAddr {
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t.Errorf("expected original %s, got %s", defaultAddr, got)
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}
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}
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func TestResolveUnixDaemonAddr_NonUnixAddr(t *testing.T) {
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addr := "tcp://127.0.0.1:41731"
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got := ResolveUnixDaemonAddr(addr)
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if got != addr {
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t.Errorf("expected %s, got %s", addr, got)
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}
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}
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func TestResolveUnixDaemonAddr_ScanDirMissing(t *testing.T) {
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tmp := t.TempDir()
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defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
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origScanDir := scanDir
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setScanDir(filepath.Join(tmp, "nonexistent"))
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t.Cleanup(func() { setScanDir(origScanDir) })
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got := ResolveUnixDaemonAddr(defaultAddr)
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if got != defaultAddr {
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t.Errorf("expected original %s, got %s", defaultAddr, got)
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}
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}
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