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[client] Use atomic write/rename pattern for ssh config

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This commit is contained in:
Lauri Tirkkonen
2026-05-05 01:24:52 +09:00
committed by GitHub
parent a547fc74ed
commit 4268a5cfb7
1 changed files with 6 additions and 1 deletions
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7
client/ssh/config/manager.go
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@@ -224,15 +224,20 @@ func (m *Manager) buildHostPatterns(peer PeerSSHInfo) []string {
func (m *Manager) writeSSHConfig(sshConfig string) error {
sshConfigPath := filepath.Join(m.sshConfigDir, m.sshConfigFile)
sshConfigPathTmp := sshConfigPath + ".tmp"
if err := os.MkdirAll(m.sshConfigDir, 0755); err != nil {
return fmt.Errorf("create SSH config directory %s: %w", m.sshConfigDir, err)
}
if err := writeFileWithTimeout(sshConfigPath, []byte(sshConfig), 0644); err != nil {
if err := writeFileWithTimeout(sshConfigPathTmp, []byte(sshConfig), 0644); err != nil {
return fmt.Errorf("write SSH config file %s: %w", sshConfigPath, err)
}
if err := os.Rename(sshConfigPathTmp, sshConfigPath); err != nil {
return fmt.Errorf("rename ssh config %s -> %s: %w", sshConfigPathTmp, sshConfigPath, err)
}
log.Infof("Created NetBird SSH client config: %s", sshConfigPath)
return nil
}