297b8c60e7
This breaks the dependency of libplugin on x/crypto, enabling people to use libplugin without having conflicts over the crypto module.
150 lines
3.1 KiB
Go
150 lines
3.1 KiB
Go
//go:build full || e2e
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package main
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import (
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"encoding/base64"
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"github.com/tg123/sshpiper/libplugin"
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"github.com/tg123/sshpiper/libplugin/skel"
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)
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type skelpipeWrapper struct {
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plugin *plugin
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pipe *pipe
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}
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type skelpipeFromWrapper struct {
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skelpipeWrapper
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}
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type skelpipePasswordWrapper struct {
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skelpipeFromWrapper
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}
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type skelpipePublicKeyWrapper struct {
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skelpipeFromWrapper
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}
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type skelpipeToWrapper struct {
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skelpipeWrapper
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username string
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}
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type skelpipeToPasswordWrapper struct {
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skelpipeToWrapper
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}
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type skelpipeToPrivateKeyWrapper struct {
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skelpipeToWrapper
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}
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func (s *skelpipeWrapper) From() []skel.SkelPipeFrom {
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w := skelpipeFromWrapper{
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skelpipeWrapper: *s,
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}
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if s.pipe.PrivateKey != "" || s.pipe.AuthorizedKeys != "" {
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return []skel.SkelPipeFrom{&skelpipePublicKeyWrapper{
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skelpipeFromWrapper: w,
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}}
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} else {
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return []skel.SkelPipeFrom{&skelpipePasswordWrapper{
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skelpipeFromWrapper: w,
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}}
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}
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}
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func (s *skelpipeToWrapper) User(conn libplugin.ConnMetadata) string {
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return s.username
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}
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func (s *skelpipeToWrapper) Host(conn libplugin.ConnMetadata) string {
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return s.pipe.Host
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}
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func (s *skelpipeToWrapper) IgnoreHostKey(conn libplugin.ConnMetadata) bool {
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return true // TODO support this
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}
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func (s *skelpipeToWrapper) KnownHosts(conn libplugin.ConnMetadata) ([]byte, error) {
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return nil, nil // TODO support this
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}
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func (s *skelpipeFromWrapper) MatchConn(conn libplugin.ConnMetadata) (skel.SkelPipeTo, error) {
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user := conn.User()
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matched := s.pipe.ClientUsername == user || s.pipe.ClientUsername == ""
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targetuser := s.pipe.ContainerUsername
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if targetuser == "" {
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targetuser = user
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}
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if matched {
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if s.pipe.PrivateKey != "" {
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return &skelpipeToPrivateKeyWrapper{
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skelpipeToWrapper: skelpipeToWrapper{
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skelpipeWrapper: s.skelpipeWrapper,
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username: targetuser,
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},
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}, nil
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}
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return &skelpipeToPasswordWrapper{
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skelpipeToWrapper: skelpipeToWrapper{
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skelpipeWrapper: s.skelpipeWrapper,
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username: targetuser,
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},
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}, nil
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}
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return nil, nil
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}
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func (s *skelpipePasswordWrapper) TestPassword(conn libplugin.ConnMetadata, password []byte) (bool, error) {
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return true, nil // do not test input password
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}
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func (s *skelpipePublicKeyWrapper) AuthorizedKeys(conn libplugin.ConnMetadata) ([]byte, error) {
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return base64.StdEncoding.DecodeString(s.pipe.AuthorizedKeys)
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}
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func (s *skelpipePublicKeyWrapper) TrustedUserCAKeys(conn libplugin.ConnMetadata) ([]byte, error) {
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return nil, nil // TODO support this
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}
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func (s *skelpipeToPrivateKeyWrapper) PrivateKey(conn libplugin.ConnMetadata) ([]byte, []byte, error) {
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k, err := base64.StdEncoding.DecodeString(s.pipe.PrivateKey)
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if err != nil {
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return nil, nil, err
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}
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return k, nil, nil
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}
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func (s *skelpipeToPasswordWrapper) OverridePassword(conn libplugin.ConnMetadata) ([]byte, error) {
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return nil, nil
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}
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func (p *plugin) listPipe(_ libplugin.ConnMetadata) ([]skel.SkelPipe, error) {
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dpipes, err := p.list()
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if err != nil {
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return nil, err
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}
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var pipes []skel.SkelPipe
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for _, pipe := range dpipes {
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wrapper := &skelpipeWrapper{
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plugin: p,
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pipe: &pipe,
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}
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pipes = append(pipes, wrapper)
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}
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return pipes, nil
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}
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