diff options
Diffstat (limited to 'source4/auth/ntlmssp/ntlmssp.c')
| -rw-r--r-- | source4/auth/ntlmssp/ntlmssp.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/source4/auth/ntlmssp/ntlmssp.c b/source4/auth/ntlmssp/ntlmssp.c index 1fd7ac6756..339c219f62 100644 --- a/source4/auth/ntlmssp/ntlmssp.c +++ b/source4/auth/ntlmssp/ntlmssp.c @@ -138,8 +138,14 @@ static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security, ntlmssp_command = NTLMSSP_INITIAL; break; case NTLMSSP_SERVER: - /* 'datagram' mode - no neg packet */ - ntlmssp_command = NTLMSSP_NEGOTIATE; + if (gensec_security->want_features & GENSEC_FEATURE_DATAGRAM_MODE) { + /* 'datagram' mode - no neg packet */ + ntlmssp_command = NTLMSSP_NEGOTIATE; + } else { + /* This is normal in SPNEGO mech negotiation fallback */ + DEBUG(2, ("Failed to parse NTLMSSP packet: zero length\n")); + return NT_STATUS_INVALID_PARAMETER; + } break; } } else { |