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[client] Mark netbird data plane traffic to identify interface traffic correctly (#3623)

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This commit is contained in:
Viktor Liu
2025-04-07 13:14:56 +02:00
committed by GitHub
parent 1ba1e092ce
commit 6162aeb82d
12 changed files with 270 additions and 67 deletions
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16
util/net/env_linux.go
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@@ -88,9 +88,21 @@ func CheckFwmarkSupport() bool {
log.Warnf("failed to dial with fwmark: %v", err)
return false
}
if err := conn.Close(); err != nil {
log.Warnf("failed to close connection: %v", err)
defer func() {
if err := conn.Close(); err != nil {
log.Warnf("failed to close connection: %v", err)
}
}()
if err := conn.SetWriteDeadline(time.Now().Add(time.Millisecond * 100)); err != nil {
log.Warnf("failed to set write deadline: %v", err)
return false
}
if _, err := conn.Write([]byte("")); err != nil {
log.Warnf("failed to write to fwmark connection: %v", err)
return false
}
return true