/[rdesktop]/sourceforge.net/trunk/rdesktop/secure.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /sourceforge.net/trunk/rdesktop/secure.c

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revision 88 by jsorg71, Sun Aug 4 02:48:08 2002 UTC revision 207 by matthewc, Thu Sep 26 14:26:46 2002 UTC
# Line 1  Line 1 
1  /*  /*
2     rdesktop: A Remote Desktop Protocol client.     rdesktop: A Remote Desktop Protocol client.
3     Protocol services - RDP encryption and licensing     Protocol services - RDP encryption and licensing
4     Copyright (C) Matthew Chapman 1999-2001     Copyright (C) Matthew Chapman 1999-2002
5    
6     This program is free software; you can redistribute it and/or modify     This program is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by     it under the terms of the GNU General Public License as published by
# Line 363  sec_send(STREAM s, uint32 flags) Line 363  sec_send(STREAM s, uint32 flags)
363    
364  /* Transfer the client random to the server */  /* Transfer the client random to the server */
365  static void  static void
366  sec_establish_key()  sec_establish_key(void)
367  {  {
368          uint32 length = SEC_MODULUS_SIZE + SEC_PADDING_SIZE;          uint32 length = SEC_MODULUS_SIZE + SEC_PADDING_SIZE;
369          uint32 flags = SEC_CLIENT_RANDOM;          uint32 flags = SEC_CLIENT_RANDOM;
# Line 384  static void Line 384  static void
384  sec_out_mcs_data(STREAM s)  sec_out_mcs_data(STREAM s)
385  {  {
386          int hostlen = 2 * strlen(hostname);          int hostlen = 2 * strlen(hostname);
387            
388          if (hostlen > 30)          if (hostlen > 30)
389                  hostlen = 30;                  hostlen = 30;
390    
# Line 425  sec_out_mcs_data(STREAM s) Line 425  sec_out_mcs_data(STREAM s)
425          out_uint32_le(s, 12);          out_uint32_le(s, 12);
426          out_uint8s(s, 64);      /* reserved? 4 + 12 doublewords */          out_uint8s(s, 64);      /* reserved? 4 + 12 doublewords */
427    
428          out_uint16(s, 0xca01);          out_uint16_le(s, 0xca01);
429          out_uint16(s, 0);          out_uint16(s, 0);
430    
431          /* Client encryption settings */          /* Client encryption settings */
432          out_uint16_le(s, SEC_TAG_CLI_CRYPT);          out_uint16_le(s, SEC_TAG_CLI_CRYPT);
433          out_uint16(s, 8);       /* length */          out_uint16_le(s, 8);    /* length */
434          out_uint32_le(s, encryption ? 0x3 : 0); /* encryption supported, 128-bit supported */          out_uint32_le(s, encryption ? 0x3 : 0); /* encryption supported, 128-bit supported */
435          s_mark_end(s);          s_mark_end(s);
436  }  }
# Line 474  sec_parse_crypt_info(STREAM s, uint32 * Line 474  sec_parse_crypt_info(STREAM s, uint32 *
474    
475          in_uint32_le(s, *rc4_key_size); /* 1 = 40-bit, 2 = 128-bit */          in_uint32_le(s, *rc4_key_size); /* 1 = 40-bit, 2 = 128-bit */
476          in_uint32_le(s, crypt_level);   /* 1 = low, 2 = medium, 3 = high */          in_uint32_le(s, crypt_level);   /* 1 = low, 2 = medium, 3 = high */
477            if (crypt_level == 0)   /* no encryptation */
478                    return False;
479          in_uint32_le(s, random_len);          in_uint32_le(s, random_len);
480          in_uint32_le(s, rsa_info_len);          in_uint32_le(s, rsa_info_len);
481    
# Line 545  sec_process_mcs_data(STREAM s) Line 547  sec_process_mcs_data(STREAM s)
547  {  {
548          uint16 tag, length;          uint16 tag, length;
549          uint8 *next_tag;          uint8 *next_tag;
550            uint8 len;
551    
552          in_uint8s(s, 23);       /* header */          in_uint8s(s, 21);       /* header */
553            in_uint8(s, len);
554            if (len & 0x80)
555                    in_uint8(s, len);
556    
557          while (s->p < s->end)          while (s->p < s->end)
558          {          {
# Line 578  sec_process_mcs_data(STREAM s) Line 584  sec_process_mcs_data(STREAM s)
584    
585  /* Receive secure transport packet */  /* Receive secure transport packet */
586  STREAM  STREAM
587  sec_recv()  sec_recv(void)
588  {  {
589          uint32 sec_flags;          uint32 sec_flags;
590          STREAM s;          STREAM s;
# Line 630  sec_connect(char *server) Line 636  sec_connect(char *server)
636    
637  /* Disconnect a connection */  /* Disconnect a connection */
638  void  void
639  sec_disconnect()  sec_disconnect(void)
640  {  {
641          mcs_disconnect();          mcs_disconnect();
642  }  }
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