diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/ssh/client_auth.go')
| -rw-r--r-- | vendor/golang.org/x/crypto/ssh/client_auth.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/ssh/client_auth.go b/vendor/golang.org/x/crypto/ssh/client_auth.go index b93961010..b86dde151 100644 --- a/vendor/golang.org/x/crypto/ssh/client_auth.go +++ b/vendor/golang.org/x/crypto/ssh/client_auth.go @@ -555,6 +555,7 @@ func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packe } gotMsgExtInfo := false + gotUserAuthInfoRequest := false for { packet, err := c.readPacket() if err != nil { @@ -585,6 +586,9 @@ func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packe if msg.PartialSuccess { return authPartialSuccess, msg.Methods, nil } + if !gotUserAuthInfoRequest { + return authFailure, msg.Methods, unexpectedMessageError(msgUserAuthInfoRequest, packet[0]) + } return authFailure, msg.Methods, nil case msgUserAuthSuccess: return authSuccess, nil, nil @@ -596,6 +600,7 @@ func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packe if err := Unmarshal(packet, &msg); err != nil { return authFailure, nil, err } + gotUserAuthInfoRequest = true // Manually unpack the prompt/echo pairs. rest := msg.Prompts |