func tryAgentConnect(user, addr string) (client *ssh.Client) {
if auth, ok := getAgentAuth(); ok {
config := &ssh.ClientConfig{
User: user,
Auth: []ssh.AuthMethod{auth},
}
client, _ = ssh.Dial("tcp", addr, config)
}
return
}
func sshConnect(user, addr, keypath string) (client *ssh.Client) {
// try connecting via agent first
client = tryAgentConnect(user, addr)
if client != nil {
return
}
// if that failed try with the key and password methods
auths := make([]ssh.AuthMethod, 0, 2)
auths = addKeyAuth(auths, keypath)
auths = addPasswordAuth(user, addr, auths)
config := &ssh.ClientConfig{
User: user,
Auth: auths,
}
client, err := ssh.Dial("tcp", addr, config)
if err != nil {
log.Print(err)
os.Exit(1)
}
return
}