Commit 07b66cbf authored by Steve Holme's avatar Steve Holme
Browse files

ntlm: Added cross platform support for writing NTLMv2 timestamp in buffer 

Added conversion functions write32_le() and write64_le() to ensure the
NTLMv2 timestamp is always written in little-endian.
parent 86724581

lib/curl_ntlm_core.c

+15 −1
Original line number Diff line number Diff line
@@ -394,6 +394,20 @@ static void ascii_uppercase_to_unicode_le(unsigned char *dest, 
  }

}



static void write32_le(const int value, unsigned char *buffer)

{

  buffer[0] = (char)(value & 0x000000FF);

  buffer[1] = (char)((value & 0x0000FF00) >> 8);

  buffer[2] = (char)((value & 0x00FF0000) >> 16);

  buffer[3] = (char)((value & 0xFF000000) >> 24);

}



static void write64_le(const long long value, unsigned char *buffer)

{

  write32_le((long)value, buffer);

  write32_le((long)(value >> 32), buffer + 4);

}



/*

 * Set up nt hashed passwords

 */
@@ -558,7 +572,7 @@ CURLcode Curl_ntlm_core_mk_ntlmv2_resp(unsigned char *ntlmv2hash, 
           "%c%c%c%c",  /* Reserved = 0 */

           0, 0, 0, 0);



  memcpy(ptr + 24, &tw, 8); /*Re-Write this line for Big Endian*/

  write64_le(tw, ptr + 24);

  memcpy(ptr + 32, challenge_client, 8);

  memcpy(ptr + 44, ntlm->target_info, ntlm->target_info_len);