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ssh: use the correct token from the client #176

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ssh: use the correct token from the client #176

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5 changes: 3 additions & 2 deletions ssh/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -321,7 +321,7 @@ func checkSourceAddress(addr net.Addr, sourceAddrs string) error {
return fmt.Errorf("ssh: remote address %v is not allowed because of source-address restriction", addr)
}

func gssExchangeToken(gssapiConfig *GSSAPIWithMICConfig, firstToken []byte, s *connection,
func gssExchangeToken(gssapiConfig *GSSAPIWithMICConfig, token []byte, s *connection,
sessionID []byte, userAuthReq userAuthRequestMsg) (authErr error, perms *Permissions, err error) {
gssAPIServer := gssapiConfig.Server
defer gssAPIServer.DeleteSecContext()
Expand All @@ -331,7 +331,7 @@ func gssExchangeToken(gssapiConfig *GSSAPIWithMICConfig, firstToken []byte, s *c
outToken []byte
needContinue bool
)
outToken, srcName, needContinue, err = gssAPIServer.AcceptSecContext(firstToken)
outToken, srcName, needContinue, err = gssAPIServer.AcceptSecContext(token)
if err != nil {
return err, nil, nil
}
Expand All @@ -353,6 +353,7 @@ func gssExchangeToken(gssapiConfig *GSSAPIWithMICConfig, firstToken []byte, s *c
if err := Unmarshal(packet, userAuthGSSAPITokenReq); err != nil {
return nil, nil, err
}
token = userAuthGSSAPITokenReq.Token
}
packet, err := s.transport.readPacket()
if err != nil {
Expand Down