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feat: Add SSH agent forwarding support to coder agent (#1548)

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* feat: Add SSH agent forwarding support to coder agent

* feat: Add forward agent flag to `coder ssh`

* refactor: Share setup between SSH tests, sync goroutines

* feat: Add test for `coder ssh --forward-agent`

* fix: Fix test flakes and implement Deans suggestion for helpers

* fix: Add example to config-ssh

* fix: Allow forwarding agent via -A

Co-authored-by: Cian Johnston <cian@coder.com>
This commit is contained in:
Mathias Fredriksson
2022-05-25 21:28:10 +03:00
committed by GitHub
parent 22ef456164
commit 527f1f3bc3
4 changed files with 211 additions and 69 deletions
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10
agent/agent.go
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@ -391,6 +391,16 @@ func (a *agent) handleSSHSession(session ssh.Session) error {
return err
}
if ssh.AgentRequested(session) {
l, err := ssh.NewAgentListener()
if err != nil {
return xerrors.Errorf("new agent listener: %w", err)
}
defer l.Close()
go ssh.ForwardAgentConnections(l, session)
cmd.Env = append(cmd.Env, fmt.Sprintf("%s=%s", "SSH_AUTH_SOCK", l.Addr().String()))
}
sshPty, windowSize, isPty := session.Pty()
if isPty {
cmd.Env = append(cmd.Env, fmt.Sprintf("TERM=%s", sshPty.Term))