/[rdesktop]/sourceforge.net/trunk/rdesktop/licence.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/licence.c

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revision 82 by astrand, Tue Jul 30 07:18:48 2002 UTC revision 159 by matthewc, Sun Sep 15 12:36:55 2002 UTC
# Line 55  licence_generate_hwid(uint8 * hwid) Line 55  licence_generate_hwid(uint8 * hwid)
55          strncpy((char *) (hwid + 4), hostname, LICENCE_HWID_SIZE - 4);          strncpy((char *) (hwid + 4), hostname, LICENCE_HWID_SIZE - 4);
56  }  }
57    
58    #ifdef SAVE_LICENCE
59  /* Present an existing licence to the server */  /* Present an existing licence to the server */
60  static void  static void
61  licence_present(uint8 * client_random, uint8 * rsa_data,  licence_present(uint8 * client_random, uint8 * rsa_data,
# Line 94  licence_present(uint8 * client_random, u Line 95  licence_present(uint8 * client_random, u
95          s_mark_end(s);          s_mark_end(s);
96          sec_send(s, sec_flags);          sec_send(s, sec_flags);
97  }  }
98    #endif
99    
100  /* Send a licence request packet */  /* Send a licence request packet */
101  static void  static void
# Line 152  licence_process_demand(STREAM s) Line 154  licence_process_demand(STREAM s)
154          memset(null_data, 0, sizeof(null_data));          memset(null_data, 0, sizeof(null_data));
155          licence_generate_keys(null_data, server_random, null_data);          licence_generate_keys(null_data, server_random, null_data);
156    
157    #ifdef SAVE_LICENCE
158          licence_size = load_licence(&licence_data);          licence_size = load_licence(&licence_data);
159          if (licence_size == -1)          if (licence_size != -1)
160          {          {
161                  licence_send_request(null_data, null_data, username, hostname);                  /* Generate a signature for the HWID buffer */
162                    licence_generate_hwid(hwid);
163                    sec_sign(signature, 16, licence_sign_key, 16, hwid, sizeof(hwid));
164    
165                    /* Now encrypt the HWID */
166                    RC4_set_key(&crypt_key, 16, licence_key);
167                    RC4(&crypt_key, sizeof(hwid), hwid, hwid);
168    
169                    licence_present(null_data, null_data, licence_data, licence_size, hwid, signature);
170                    xfree(licence_data);
171                  return;                  return;
172          }          }
173    #endif
174    
175          /* Generate a signature for the HWID buffer */          licence_send_request(null_data, null_data, username, hostname);
         licence_generate_hwid(hwid);  
         sec_sign(signature, 16, licence_sign_key, 16, hwid, sizeof(hwid));  
   
         /* Now encrypt the HWID */  
         RC4_set_key(&crypt_key, 16, licence_key);  
         RC4(&crypt_key, sizeof(hwid), hwid, hwid);  
   
         licence_present(null_data, null_data, licence_data, licence_size, hwid, signature);  
         xfree(licence_data);  
176  }  }
177    
178  /* Send an authentication response packet */  /* Send an authentication response packet */
# Line 276  licence_process_issue(STREAM s) Line 280  licence_process_issue(STREAM s)
280                  return;                  return;
281    
282          licence_issued = True;          licence_issued = True;
283    
284    #ifdef SAVE_LICENCE
285          save_licence(s->p, length - 2);          save_licence(s->p, length - 2);
286    #endif
287  }  }
288    
289  /* Process a licence packet */  /* Process a licence packet */
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