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

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revision 436 by jsorg71, Mon Jul 28 18:13:30 2003 UTC revision 532 by astrand, Wed Oct 29 14:14:46 2003 UTC
# Line 21  Line 21 
21  #include "rdesktop.h"  #include "rdesktop.h"
22    
23  extern uint16 g_mcs_userid;  extern uint16 g_mcs_userid;
24  extern char username[16];  extern char g_username[16];
25  extern BOOL bitmap_compression;  extern BOOL g_bitmap_compression;
26  extern BOOL orders;  extern BOOL g_orders;
27  extern BOOL encryption;  extern BOOL g_encryption;
28  extern BOOL desktop_save;  extern BOOL g_desktop_save;
29  extern BOOL use_rdp5;  extern BOOL g_use_rdp5;
30  extern uint16 server_rdp_version;  extern uint16 g_server_rdp_version;
31  extern int server_bpp;  extern int g_server_bpp;
32    
33  uint8 *next_packet;  uint8 *g_next_packet;
34  uint32 rdp_shareid;  uint32 g_rdp_shareid;
35    
36  #if WITH_DEBUG  #if WITH_DEBUG
37  static uint32 packetno;  static uint32 g_packetno;
38  #endif  #endif
39    
40  /* Receive an RDP packet */  /* Receive an RDP packet */
# Line 44  rdp_recv(uint8 * type) Line 44  rdp_recv(uint8 * type)
44          static STREAM rdp_s;          static STREAM rdp_s;
45          uint16 length, pdu_type;          uint16 length, pdu_type;
46    
47          if ((rdp_s == NULL) || (next_packet >= rdp_s->end))          if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end))
48          {          {
49                  rdp_s = sec_recv();                  rdp_s = sec_recv();
50                  if (rdp_s == NULL)                  if (rdp_s == NULL)
51                          return NULL;                          return NULL;
52    
53                  next_packet = rdp_s->p;                  g_next_packet = rdp_s->p;
54          }          }
55          else          else
56          {          {
57                  rdp_s->p = next_packet;                  rdp_s->p = g_next_packet;
58          }          }
59    
60          in_uint16_le(rdp_s, length);          in_uint16_le(rdp_s, length);
61          /* 32k packets are really 8, keepalive fix */          /* 32k packets are really 8, keepalive fix */
62          if (length == 0x8000)          if (length == 0x8000)
63          {          {
64                  next_packet += 8;                  g_next_packet += 8;
65                  *type = 0;                  *type = 0;
66                  return rdp_s;                  return rdp_s;
67          }          }
# Line 70  rdp_recv(uint8 * type) Line 70  rdp_recv(uint8 * type)
70          *type = pdu_type & 0xf;          *type = pdu_type & 0xf;
71    
72  #if WITH_DEBUG  #if WITH_DEBUG
73          DEBUG(("RDP packet #%d, (type %x)\n", ++packetno, *type));          DEBUG(("RDP packet #%d, (type %x)\n", ++g_packetno, *type));
74          //      hexdump(next_packet, length);          hexdump(g_next_packet, length);
75  #endif /*  */  #endif /*  */
76    
77          next_packet += length;          g_next_packet += length;
78          return rdp_s;          return rdp_s;
79  }  }
80    
# Line 84  rdp_init_data(int maxlen) Line 84  rdp_init_data(int maxlen)
84  {  {
85          STREAM s;          STREAM s;
86    
87          s = sec_init(encryption ? SEC_ENCRYPT : 0, maxlen + 18);          s = sec_init(g_encryption ? SEC_ENCRYPT : 0, maxlen + 18);
88          s_push_layer(s, rdp_hdr, 18);          s_push_layer(s, rdp_hdr, 18);
89    
90          return s;          return s;
# Line 103  rdp_send_data(STREAM s, uint8 data_pdu_t Line 103  rdp_send_data(STREAM s, uint8 data_pdu_t
103          out_uint16_le(s, (RDP_PDU_DATA | 0x10));          out_uint16_le(s, (RDP_PDU_DATA | 0x10));
104          out_uint16_le(s, (g_mcs_userid + 1001));          out_uint16_le(s, (g_mcs_userid + 1001));
105    
106          out_uint32_le(s, rdp_shareid);          out_uint32_le(s, g_rdp_shareid);
107          out_uint8(s, 0);        /* pad */          out_uint8(s, 0);        /* pad */
108          out_uint8(s, 1);        /* streamid */          out_uint8(s, 1);        /* streamid */
109          out_uint16_le(s, (length - 14));          out_uint16_le(s, (length - 14));
# Line 111  rdp_send_data(STREAM s, uint8 data_pdu_t Line 111  rdp_send_data(STREAM s, uint8 data_pdu_t
111          out_uint8(s, 0);        /* compress_type */          out_uint8(s, 0);        /* compress_type */
112          out_uint16(s, 0);       /* compress_len */          out_uint16(s, 0);       /* compress_len */
113    
114          sec_send(s, encryption ? SEC_ENCRYPT : 0);          sec_send(s, g_encryption ? SEC_ENCRYPT : 0);
115  }  }
116    
117  /* Output a string in Unicode */  /* Output a string in Unicode */
# Line 144  rdp_send_logon_info(uint32 flags, char * Line 144  rdp_send_logon_info(uint32 flags, char *
144          int len_ip = 2 * strlen("127.0.0.1");          int len_ip = 2 * strlen("127.0.0.1");
145          int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll");          int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll");
146          int packetlen = 0;          int packetlen = 0;
147          uint32 sec_flags = encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO;          uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO;
148          STREAM s;          STREAM s;
149    
150          if (!use_rdp5 || 1 == server_rdp_version)          if (!g_use_rdp5 || 1 == g_server_rdp_version)
151          {          {
152                  DEBUG_RDP5(("Sending RDP4-style Logon packet\n"));                  DEBUG_RDP5(("Sending RDP4-style Logon packet\n"));
153    
# Line 358  rdp_out_general_caps(STREAM s) Line 358  rdp_out_general_caps(STREAM s)
358          out_uint16_le(s, 0x200);        /* Protocol version */          out_uint16_le(s, 0x200);        /* Protocol version */
359          out_uint16(s, 0);       /* Pad */          out_uint16(s, 0);       /* Pad */
360          out_uint16(s, 0);       /* Compression types */          out_uint16(s, 0);       /* Compression types */
361          out_uint16_le(s, use_rdp5 ? 0x40d : 0);          out_uint16_le(s, g_use_rdp5 ? 0x40d : 0);
362          /* Pad, according to T.128. 0x40d seems to          /* Pad, according to T.128. 0x40d seems to
363             trigger             trigger
364             the server to start sending RDP5 packets.             the server to start sending RDP5 packets.
# Line 387  rdp_out_bitmap_caps(STREAM s) Line 387  rdp_out_bitmap_caps(STREAM s)
387          out_uint16_le(s, 600);  /* Desktop height */          out_uint16_le(s, 600);  /* Desktop height */
388          out_uint16(s, 0);       /* Pad */          out_uint16(s, 0);       /* Pad */
389          out_uint16(s, 0);       /* Allow resize */          out_uint16(s, 0);       /* Allow resize */
390          out_uint16_le(s, bitmap_compression ? 1 : 0);   /* Support compression */          out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */
391          out_uint16(s, 0);       /* Unknown */          out_uint16(s, 0);       /* Unknown */
392          out_uint16_le(s, 1);    /* Unknown */          out_uint16_le(s, 1);    /* Unknown */
393          out_uint16(s, 0);       /* Pad */          out_uint16(s, 0);       /* Pad */
# Line 408  rdp_out_order_caps(STREAM s) Line 408  rdp_out_order_caps(STREAM s)
408          order_caps[8] = 1;      /* line */          order_caps[8] = 1;      /* line */
409          order_caps[9] = 1;      /* line */          order_caps[9] = 1;      /* line */
410          order_caps[10] = 1;     /* rect */          order_caps[10] = 1;     /* rect */
411          order_caps[11] = (desktop_save == False ? 0 : 1);       /* desksave */          order_caps[11] = (g_desktop_save == False ? 0 : 1);     /* desksave */
412          order_caps[13] = 1;     /* memblt */          order_caps[13] = 1;     /* memblt */
413          order_caps[14] = 1;     /* triblt */          order_caps[14] = 1;     /* triblt */
414          order_caps[22] = 1;     /* polyline */          order_caps[22] = 1;     /* polyline */
# Line 426  rdp_out_order_caps(STREAM s) Line 426  rdp_out_order_caps(STREAM s)
426          out_uint8p(s, order_caps, 32);  /* Orders supported */          out_uint8p(s, order_caps, 32);  /* Orders supported */
427          out_uint16_le(s, 0x6a1);        /* Text capability flags */          out_uint16_le(s, 0x6a1);        /* Text capability flags */
428          out_uint8s(s, 6);       /* Pad */          out_uint8s(s, 6);       /* Pad */
429          out_uint32_le(s, desktop_save == False ? 0 : 0x38400);  /* Desktop cache size */          out_uint32_le(s, g_desktop_save == False ? 0 : 0x38400);        /* Desktop cache size */
430          out_uint32(s, 0);       /* Unknown */          out_uint32(s, 0);       /* Unknown */
431          out_uint32_le(s, 0x4e4);        /* Unknown */          out_uint32_le(s, 0x4e4);        /* Unknown */
432  }  }
# Line 439  rdp_out_bmpcache_caps(STREAM s) Line 439  rdp_out_bmpcache_caps(STREAM s)
439          out_uint16_le(s, RDP_CAPSET_BMPCACHE);          out_uint16_le(s, RDP_CAPSET_BMPCACHE);
440          out_uint16_le(s, RDP_CAPLEN_BMPCACHE);          out_uint16_le(s, RDP_CAPLEN_BMPCACHE);
441    
442          Bpp = (server_bpp + 7) / 8;          Bpp = (g_server_bpp + 7) / 8;
443          out_uint8s(s, 24);      /* unused */          out_uint8s(s, 24);      /* unused */
444          out_uint16_le(s, 0x258);        /* entries */          out_uint16_le(s, 0x258);        /* entries */
445          out_uint16_le(s, 0x100 * Bpp);  /* max cell size */          out_uint16_le(s, 0x100 * Bpp);  /* max cell size */
# Line 546  static void Line 546  static void
546  rdp_send_confirm_active(void)  rdp_send_confirm_active(void)
547  {  {
548          STREAM s;          STREAM s;
549          uint32 sec_flags = encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG;          uint32 sec_flags = g_encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG;
550          uint16 caplen =          uint16 caplen =
551                  RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER +                  RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER +
552                  RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE +                  RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE +
# Line 559  rdp_send_confirm_active(void) Line 559  rdp_send_confirm_active(void)
559          out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10));      /* Version 1 */          out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10));      /* Version 1 */
560          out_uint16_le(s, (g_mcs_userid + 1001));          out_uint16_le(s, (g_mcs_userid + 1001));
561    
562          out_uint32_le(s, rdp_shareid);          out_uint32_le(s, g_rdp_shareid);
563          out_uint16_le(s, 0x3ea);        /* userid */          out_uint16_le(s, 0x3ea);        /* userid */
564          out_uint16_le(s, sizeof(RDP_SOURCE));          out_uint16_le(s, sizeof(RDP_SOURCE));
565          out_uint16_le(s, caplen);          out_uint16_le(s, caplen);
# Line 589  process_demand_active(STREAM s) Line 589  process_demand_active(STREAM s)
589  {  {
590          uint8 type;          uint8 type;
591    
592          in_uint32_le(s, rdp_shareid);          in_uint32_le(s, g_rdp_shareid);
593    
594          DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid));          DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid));
595    
596          rdp_send_confirm_active();          rdp_send_confirm_active();
597          rdp_send_synchronise();          rdp_send_synchronise();
# Line 607  process_demand_active(STREAM s) Line 607  process_demand_active(STREAM s)
607          reset_order_state();          reset_order_state();
608  }  }
609    
 /* Process a null system pointer PDU */  
 void  
 process_null_system_pointer_pdu(STREAM s)  
 {  
         // FIXME: We should probably set another cursor here,  
         // like the X window system base cursor or something.  
         ui_set_cursor(cache_get_cursor(0));  
 }  
   
610  /* Process a colour pointer PDU */  /* Process a colour pointer PDU */
611  void  void
612  process_colour_pointer_pdu(STREAM s)  process_colour_pointer_pdu(STREAM s)
# Line 648  process_cached_pointer_pdu(STREAM s) Line 639  process_cached_pointer_pdu(STREAM s)
639          ui_set_cursor(cache_get_cursor(cache_idx));          ui_set_cursor(cache_get_cursor(cache_idx));
640  }  }
641    
642    /* Process a system pointer PDU */
643    void
644    process_system_pointer_pdu(STREAM s)
645    {
646            uint16 system_pointer_type;
647    
648            in_uint16(s, system_pointer_type);
649            switch (system_pointer_type)
650            {
651                    case RDP_NULL_POINTER:
652                            ui_set_null_cursor();
653                            break;
654    
655                    default:
656                            unimpl("System pointer message 0x%x\n", system_pointer_type);
657            }
658    }
659    
660  /* Process a pointer PDU */  /* Process a pointer PDU */
661  static void  static void
# Line 676  process_pointer_pdu(STREAM s) Line 684  process_pointer_pdu(STREAM s)
684                          process_cached_pointer_pdu(s);                          process_cached_pointer_pdu(s);
685                          break;                          break;
686    
687                    case RDP_POINTER_SYSTEM:
688                            process_system_pointer_pdu(s);
689                            break;
690    
691                  default:                  default:
692                          DEBUG(("Pointer message 0x%x\n", message_type));                          unimpl("Pointer message 0x%x\n", message_type);
693          }          }
694  }  }
695    
# Line 712  process_bitmap_updates(STREAM s) Line 724  process_bitmap_updates(STREAM s)
724                  DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n",                  DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n",
725                         left, top, right, bottom, width, height, Bpp, compress));                         left, top, right, bottom, width, height, Bpp, compress));
726    
727                    /* Server may limit bpp - this is how we find out */
728                    if (g_server_bpp != bpp)
729                    {
730                            warning("Server limited colour depth to %d bits\n", bpp);
731                            g_server_bpp = bpp;
732                    }
733    
734                  if (!compress)                  if (!compress)
735                  {                  {
736                          int y;                          int y;
# Line 846  process_data_pdu(STREAM s) Line 865  process_data_pdu(STREAM s)
865                          /* User logged on */                          /* User logged on */
866                          break;                          break;
867    
868                    case RDP_DATA_PDU_DISCONNECT:
869                            /* Normally received when user logs out or disconnects from a
870                               console session on Windows XP and 2003 Server */
871                            DEBUG(("Received disconnect PDU\n"));
872                            break;
873    
874                  default:                  default:
875                          unimpl("data PDU %d\n", data_pdu_type);                          unimpl("data PDU %d\n", data_pdu_type);
876          }          }
# Line 898  BOOL Line 923  BOOL
923  rdp_connect(char *server, uint32 flags, char *domain, char *password,  rdp_connect(char *server, uint32 flags, char *domain, char *password,
924              char *command, char *directory)              char *command, char *directory)
925  {  {
926          if (!sec_connect(server, username))          if (!sec_connect(server, g_username))
927                  return False;                  return False;
928    
929          rdp_send_logon_info(flags, domain, username, password, command, directory);          rdp_send_logon_info(flags, domain, g_username, password, command, directory);
930          return True;          return True;
931  }  }
932    
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