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add keepalive for ssh

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This commit is contained in:
ginuerzh
2023-03-03 13:06:20 +08:00
parent 54046d2003
commit 7a21c7eb6f
13 changed files with 213 additions and 219 deletions
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21
dialer/ssh/metadata.go
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@ -10,8 +10,12 @@ import (
)
type metadata struct {
handshakeTimeout time.Duration
signer ssh.Signer
handshakeTimeout time.Duration
signer ssh.Signer
keepalive bool
keepaliveInterval time.Duration
keepaliveTimeout time.Duration
keepaliveRetries int
}
func (d *sshDialer) parseMetadata(md mdata.Metadata) (err error) {
@ -27,11 +31,10 @@ func (d *sshDialer) parseMetadata(md mdata.Metadata) (err error) {
return err
}
pp := mdutil.GetString(md, passphrase)
if pp == "" {
d.md.signer, err = ssh.ParsePrivateKey(data)
} else {
if pp := mdutil.GetString(md, passphrase); pp != "" {
d.md.signer, err = ssh.ParsePrivateKeyWithPassphrase(data, []byte(pp))
} else {
d.md.signer, err = ssh.ParsePrivateKey(data)
}
if err != nil {
return err
@ -40,5 +43,11 @@ func (d *sshDialer) parseMetadata(md mdata.Metadata) (err error) {
d.md.handshakeTimeout = mdutil.GetDuration(md, handshakeTimeout)
if d.md.keepalive = mdutil.GetBool(md, "keepalive"); d.md.keepalive {
d.md.keepaliveInterval = mdutil.GetDuration(md, "ttl", "keepalive.interval")
d.md.keepaliveTimeout = mdutil.GetDuration(md, "keepalive.timeout")
d.md.keepaliveRetries = mdutil.GetInt(md, "keepalive.retries")
}
return
}