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libfreerdp-core: started parsing NTLM authenticate message

This commit is contained in:
Marc-André Moreau 2012-02-17 00:07:16 -05:00
parent fee9ef06e0
commit d29e37c20f
1 changed files with 60 additions and 0 deletions
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60
libfreerdp-core/ntlmssp.c
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@ -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;
}