libfreerdp-core: started parsing NTLM authenticate message

diff --git a/libfreerdp-core/ntlmssp.c b/libfreerdp-core/ntlmssp.c
index 78b998d..ce48a1d 100644 (file)
--- a/libfreerdp-core/ntlmssp.c
+++ b/libfreerdp-core/ntlmssp.c
@@ -1936,7 +1936,67 @@ void ntlmssp_send_authenticate_message(NTLMSSP* ntlmssp, STREAM* s)
 
 void ntlmssp_recv_authenticate_message(NTLMSSP* ntlmssp, STREAM* s)
 {
+       uint32 negotiateFlags;
+       uint16 DomainNameLen;
+       uint16 DomainNameMaxLen;
+       uint32 DomainNameBufferOffset;
+       uint16 UserNameLen;
+       uint16 UserNameMaxLen;
+       uint32 UserNameBufferOffset;
+       uint16 WorkstationLen;
+       uint16 WorkstationMaxLen;
+       uint32 WorkstationBufferOffset;
+       uint16 LmChallengeResponseLen;
+       uint16 LmChallengeResponseMaxLen;
+       uint32 LmChallengeResponseBufferOffset;
+       uint16 NtChallengeResponseLen;
+       uint16 NtChallengeResponseMaxLen;
+       uint32 NtChallengeResponseBufferOffset;
+       uint16 EncryptedRandomSessionKeyLen;
+       uint16 EncryptedRandomSessionKeyMaxLen;
+       uint32 EncryptedRandomSessionKeyBufferOffset;
+
+       /* LmChallengeResponseFields (8 bytes) */
+       stream_read_uint16(s, LmChallengeResponseLen); /* LmChallengeResponseLen */
+       stream_read_uint16(s, LmChallengeResponseMaxLen); /* LmChallengeResponseMaxLen */
+       stream_read_uint32(s, LmChallengeResponseBufferOffset); /* LmChallengeResponseBufferOffset */
+
+       /* NtChallengeResponseFields (8 bytes) */
+       stream_read_uint16(s, NtChallengeResponseLen); /* NtChallengeResponseLen */
+       stream_read_uint16(s, NtChallengeResponseMaxLen); /* NtChallengeResponseMaxLen */
+       stream_read_uint32(s, NtChallengeResponseBufferOffset); /* NtChallengeResponseBufferOffset */
+
+       /* only set if NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED is set */
+
+       /* DomainNameFields (8 bytes) */
+       stream_read_uint16(s, DomainNameLen); /* DomainNameLen */
+       stream_read_uint16(s, DomainNameMaxLen); /* DomainNameMaxLen */
+       stream_read_uint32(s, DomainNameBufferOffset); /* DomainNameBufferOffset */
+
+       /* UserNameFields (8 bytes) */
+       stream_read_uint16(s, UserNameLen); /* UserNameLen */
+       stream_read_uint16(s, UserNameMaxLen); /* UserNameMaxLen */
+       stream_read_uint32(s, UserNameBufferOffset); /* UserNameBufferOffset */
+
+       /* only set if NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED is set */
+
+       /* WorkstationFields (8 bytes) */
+       stream_read_uint16(s, WorkstationLen); /* WorkstationLen */
+       stream_read_uint16(s, WorkstationMaxLen); /* WorkstationMaxLen */
+       stream_read_uint32(s, WorkstationBufferOffset); /* WorkstationBufferOffset */
 
+       /* EncryptedRandomSessionKeyFields (8 bytes) */
+       stream_read_uint16(s, EncryptedRandomSessionKeyLen); /* EncryptedRandomSessionKeyLen */
+       stream_read_uint16(s, EncryptedRandomSessionKeyMaxLen); /* EncryptedRandomSessionKeyMaxLen */
+       stream_read_uint32(s, EncryptedRandomSessionKeyBufferOffset); /* EncryptedRandomSessionKeyBufferOffset */
+
+       ntlmssp_input_negotiate_flags(s, &negotiateFlags); /* NegotiateFlags (4 bytes) */
+
+       if (negotiateFlags & NTLMSSP_NEGOTIATE_VERSION)
+       {
+               /* Only present if NTLMSSP_NEGOTIATE_VERSION is set */
+               stream_seek(s, 8); /* Version (8 bytes) */
+       }
 
        ntlmssp->state = NTLMSSP_STATE_FINAL;
 }