/[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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Annotation of /sourceforge.net/trunk/rdesktop/rdp.c

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Revision 7 - (hide annotations)
Fri Jul 7 09:40:03 2000 UTC (23 years, 10 months ago) by matty
File MIME type: text/plain
File size: 38339 byte(s) 
Miscellaneous updates: implemented some more protocol features including
colour maps. Started on a new bitmap decompression engine which is not
completely working yet - however I am going back on the road so I am
committing now.
1 matty 3 /*
2     rdesktop: A Remote Desktop Protocol client.
3     Protocol services - RDP layer
4     Copyright (C) Matthew Chapman 1999-2000
5    
6     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
8     the Free Software Foundation; either version 2 of the License, or
9     (at your option) any later version.
10    
11     This program is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     GNU General Public License for more details.
15    
16     You should have received a copy of the GNU General Public License
17     along with this program; if not, write to the Free Software
18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19     */
20    
21     #include "includes.h"
22    
23     /* Establish a connection up to the RDP layer */
24     HCONN rdp_connect(char *server)
25     {
26     HCONN conn;
27     RDP_ACTIVE_PDU active;
28     uint8 type;
29    
30     if ((conn = mcs_connect(server)) == NULL)
31     return NULL;
32    
33     rdp_establish_key(conn);
34     mcs_recv(conn, False); /* Server's licensing certificate */
35     rdp_send_cert(conn);
36     mcs_recv(conn, False);
37 matty 7 mcs_recv(conn, False); /* Demand active */
38 matty 3
39 matty 6 if (!rdp_recv_pdu(conn, &type) || (type != RDP_PDU_DEMAND_ACTIVE))
40 matty 3 {
41     fprintf(stderr, "RDP error, expected Demand Active\n");
42     mcs_disconnect(conn);
43     return NULL;
44     }
45    
46     rdp_io_active_pdu(&conn->in, &active, RDP_PDU_DEMAND_ACTIVE);
47     rdp_send_confirm_active(conn);
48     rdp_send_synchronize(conn);
49     rdp_send_control(conn, RDP_CTL_COOPERATE);
50     rdp_send_control(conn, RDP_CTL_REQUEST_CONTROL);
51     rdp_recv_pdu(conn, &type); // RDP_PDU_SYNCHRONIZE
52     rdp_recv_pdu(conn, &type); // RDP_CTL_COOPERATE
53     rdp_recv_pdu(conn, &type); // RDP_CTL_GRANT_CONTROL
54     rdp_send_input(conn);
55     rdp_send_fonts(conn, 1);
56     rdp_send_fonts(conn, 2);
57     rdp_recv_pdu(conn, &type); // RDP_PDU_UNKNOWN 0x28
58 matty 6
59     return conn;
60     }
61    
62     void rdp_main_loop(HCONN conn)
63     {
64     RDP_DATA_HEADER hdr;
65     RDP_ORDER_STATE os;
66     uint8 type;
67    
68     memset(&os, 0, sizeof(os));
69    
70 matty 3 while (rdp_recv_pdu(conn, &type))
71     {
72     if (type != RDP_PDU_DATA)
73 matty 7 {
74     fprintf(stderr, "Unknown PDU 0x%x\n", type);
75 matty 3 continue;
76 matty 7 }
77 matty 3
78     rdp_io_data_header(&conn->in, &hdr);
79    
80     switch (hdr.data_pdu_type)
81     {
82 matty 7 case RDP_DATA_PDU_UPDATE:
83     process_update(conn, &os);
84     break;
85    
86     case RDP_DATA_PDU_POINTER:
87     process_pointer(conn);
88     break;
89    
90     default:
91     fprintf(stderr, "Unknown data PDU 0x%x\n",
92     hdr.data_pdu_type);
93 matty 3 }
94     }
95     }
96    
97 matty 7 void process_memblt(HCONN conn, RDP_ORDER_STATE *os, BOOL delta)
98 matty 3 {
99 matty 7 HBITMAP hbitmap;
100     uint16 present;
101     lsb_io_uint16(&conn->in, &present);
102 matty 3
103 matty 7 if (present & 1)
104     prs_io_uint8(&conn->in, &os->memblt.cache_id);
105    
106     if (present & 2)
107     rdp_io_coord(&conn->in, &os->memblt.x, delta);
108    
109     if (present & 4)
110     rdp_io_coord(&conn->in, &os->memblt.y, delta);
111    
112     if (present & 8)
113     rdp_io_coord(&conn->in, &os->memblt.cx, delta);
114    
115     if (present & 16)
116     rdp_io_coord(&conn->in, &os->memblt.cy, delta);
117    
118     if (present & 32)
119     prs_io_uint8(&conn->in, &os->memblt.opcode);
120    
121     if (present & 256)
122     lsb_io_uint16(&conn->in, &os->memblt.cache_idx);
123    
124     if (os->memblt.opcode != 0xcc) /* SRCCOPY */
125 matty 3 {
126 matty 7 fprintf(stderr, "Unsupported raster operation 0x%x\n",
127     os->memblt.opcode);
128     return;
129 matty 3 }
130 matty 7
131     if ((os->memblt.cache_idx > NUM_ELEMENTS(conn->bmpcache))
132     || ((hbitmap = conn->bmpcache[os->memblt.cache_idx]) == NULL))
133 matty 3 {
134 matty 7 fprintf(stderr, "Bitmap %d not found\n", os->memblt.cache_idx);
135     return;
136 matty 3 }
137 matty 7
138     fprintf(stderr, "MEMBLT %d:%dx%d\n", os->memblt.cache_idx,
139     os->memblt.x, os->memblt.y);
140    
141     ui_paint_bitmap(conn->wnd, hbitmap, os->memblt.x, os->memblt.y);
142 matty 3 }
143    
144     void process_opaque_rect(HCONN conn, RDP_ORDER_STATE *os, BOOL delta)
145     {
146     uint8 present;
147     prs_io_uint8(&conn->in, &present);
148    
149     if (present & 1)
150 matty 7 rdp_io_coord(&conn->in, &os->opaque_rect.x, delta);
151 matty 3
152     if (present & 2)
153 matty 7 rdp_io_coord(&conn->in, &os->opaque_rect.y, delta);
154 matty 3
155     if (present & 4)
156 matty 7 rdp_io_coord(&conn->in, &os->opaque_rect.cx, delta);
157 matty 3
158     if (present & 8)
159 matty 7 rdp_io_coord(&conn->in, &os->opaque_rect.cy, delta);
160 matty 3
161     if (present & 16)
162     prs_io_uint8(&conn->in, &os->opaque_rect.colour);
163    
164     fprintf(stderr, "Opaque rectangle at %d, %d\n", os->opaque_rect.x, os->opaque_rect.y);
165 matty 7 ui_draw_rectangle(conn->wnd, os->opaque_rect.x, os->opaque_rect.y,
166     os->opaque_rect.cx, os->opaque_rect.cy);
167 matty 3 }
168    
169 matty 6 void process_bmpcache(HCONN conn)
170     {
171     RDP_BITMAP_HEADER rbh;
172 matty 7 HBITMAP *entry;
173     char *input, *bmpdata;
174 matty 6
175     rdp_io_bitmap_header(&conn->in, &rbh);
176 matty 7 fprintf(stderr, "BMPCACHE %d:%dx%d\n", rbh.cache_idx,
177     rbh.width, rbh.height);
178 matty 6
179 matty 7 input = conn->in.data + conn->in.offset;
180 matty 6 conn->in.offset += rbh.size;
181 matty 7 // dump_data(conn->in.data+conn->in.offset, conn->in.rdp_offset-conn->in.offset);
182 matty 6
183 matty 7 bmpdata = malloc(rbh.width * rbh.height);
184     if (!bitmap_decompress(bmpdata, rbh.width, rbh.height, input, rbh.size))
185     {
186     fprintf(stderr, "Decompression failed\n");
187     free(bmpdata);
188     return;
189     }
190 matty 6
191 matty 7 if (rbh.cache_idx > NUM_ELEMENTS(conn->bmpcache))
192     {
193     fprintf(stderr, "Attempted store past end of cache");
194     return;
195     }
196    
197     entry = &conn->bmpcache[rbh.cache_idx];
198     // if (*entry != NULL)
199     // ui_destroy_bitmap(conn->wnd, *entry);
200    
201     *entry = ui_create_bitmap(conn->wnd, rbh.width, rbh.height, bmpdata);
202     // ui_paint_bitmap(conn->wnd, bmp, x, 0);
203     // ui_destroy_bitmap(conn->wnd, bmp);
204 matty 6 }
205    
206 matty 3 void process_orders(HCONN conn, RDP_ORDER_STATE *os)
207     {
208     uint16 num_orders;
209     int processed = 0;
210     BOOL res = True;
211 matty 7 BOOL delta;
212 matty 3 // unsigned char *p;
213    
214     lsb_io_uint16(&conn->in, &num_orders);
215    
216     conn->in.offset += 2;
217     // p = &conn->in.data[conn->in.offset];
218    
219     // fprintf(stderr, "%02X %02X %02X %02X\n", p[0], p[1], p[2], p[3]);
220    
221     while ((processed < num_orders) && res)
222     {
223     uint8 order_flags;
224    
225     prs_io_uint8(&conn->in, &order_flags);
226 matty 7 fprintf(stderr, "Order flags: 0x%x\n", order_flags);
227 matty 3
228 matty 7 if (order_flags == 0x51) /* ?? */
229     return;
230    
231 matty 3 if (!(order_flags & RDP_ORDER_STANDARD))
232     return;
233    
234     if (order_flags & RDP_ORDER_SECONDARY)
235     {
236     RDP_SECONDARY_ORDER rso;
237    
238     rdp_io_secondary_order(&conn->in, &rso);
239     switch (rso.type)
240     {
241     case RDP_ORDER_BMPCACHE:
242 matty 6 process_bmpcache(conn);
243 matty 3 break;
244     default:
245     fprintf(stderr, "Unknown secondary order %d\n",
246     rso.type);
247     return;
248     }
249 matty 7 }
250     else
251     {
252     if (order_flags & RDP_ORDER_CHANGE)
253     prs_io_uint8(&conn->in, &os->order_type);
254 matty 3
255 matty 7 delta = order_flags & RDP_ORDER_DELTA;
256 matty 3
257 matty 7 switch (os->order_type)
258     {
259     case RDP_ORDER_OPAQUE_RECT:
260     process_opaque_rect(conn, os, delta);
261     break;
262    
263     case RDP_ORDER_MEMBLT:
264     process_memblt(conn, os, delta);
265     break;
266    
267     default:
268     fprintf(stderr, "Unknown order %d\n", os->order_type);
269     return;
270     }
271 matty 3 }
272    
273 matty 7 processed++;
274     }
275     }
276 matty 3
277 matty 7 void process_palette(HCONN conn)
278     {
279     HCOLORMAP map;
280     COLORMAP colors;
281    
282     rdp_io_colormap(&conn->in, &colors);
283     map = ui_create_colormap(conn->wnd, &colors);
284     ui_set_colormap(conn->wnd, map);
285     // ui_destroy_colormap(map);
286     }
287    
288     void process_update(HCONN conn, RDP_ORDER_STATE *os)
289     {
290     RDP_UPDATE_PDU update;
291    
292     rdp_io_update_pdu(&conn->in, &update);
293     switch (update.update_type)
294     {
295     case RDP_UPDATE_ORDERS:
296     process_orders(conn, os);
297 matty 3 break;
298 matty 7 case RDP_UPDATE_PALETTE:
299     process_palette(conn);
300     break;
301     case RDP_UPDATE_SYNCHRONIZE:
302     break;
303 matty 3 default:
304 matty 7 fprintf(stderr, "Unknown update 0x%x\n",
305     update.update_type);
306     }
307 matty 3
308 matty 7 }
309    
310     void process_pointer(HCONN conn)
311     {
312     RDP_POINTER ptr;
313    
314     rdp_io_pointer(&conn->in, &ptr);
315    
316     switch (ptr.message)
317     {
318     case RDP_POINTER_MOVE:
319     ui_move_pointer(conn->wnd, ptr.x, ptr.y);
320     break;
321     default:
322     fprintf(stderr, "Unknown pointer message 0x%x\n",
323     ptr.message);
324 matty 3 }
325     }
326    
327     /* Work this out later. This is useless anyway when encryption is off. */
328     uint8 precanned_key_packet[] = {
329     0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x00,0x00,0x00,0x00,0x00,
330     0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x6c,0x86,
331     0xf7,0x99,0xef,0x60,0xc4,0x49,0x52,0xd0,0xd8,0xea,0xb5,0x4f,0x58,0x19,
332     0x52,0x2a,0x93,0x83,0x57,0x4f,0x4e,0x04,0xde,0x96,0x51,0xab,0x13,0x20,
333     0xd8,0xe5,0x00,0x00,0x00,0x00,0x00,0x00
334     };
335    
336     /* Create an RC4 key and transfer it to the server */
337     void rdp_establish_key(HCONN conn)
338     {
339     mcs_init_data(conn);
340     memcpy(conn->out.data + conn->out.offset, precanned_key_packet,
341     sizeof(precanned_key_packet));
342     conn->out.offset += sizeof(precanned_key_packet);
343     MARK_END(conn->out);
344     mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
345     }
346    
347     /* Horrible horrible certificate stuff. Work out later. */
348     uint8 precanned_cert_packet[] = {
349     0x80,0x00,0x00,0x00,0x12,0x02,0xb4,0x04,0x01,0x00,0x00,
350     0x00,0x00,0x00,0x01,0x02,0x9d,0xa3,0x7a,0x93,0x34,0x7b,0x28,0x37,0x24,0xa0,0x1f,
351     0x61,0x26,0xfd,0x96,0x3a,0x92,0x83,0xf3,0xe9,0x6a,0x2e,0x81,0x7c,0x2c,0xe4,0x72,//
352     0x01,0x18,0xe9,0xa1,0x0f,0x00,0x00,0x48,0x00,0x84,0x23,0x90,0xe6,0xd3,0xf8,0x20,
353     0xdb,0xa8,0x1b,0xb2,0xd0,0x78,0x2c,0x35,0xde,0xe3,0x0e,0x63,0x40,0xca,0xac,0x71,
354     0xc9,0x17,0x49,0x05,0x25,0xeb,0x9b,0xd0,0xa6,0x5c,0x90,0x3e,0x9d,0x4b,0x27,0x01,
355     0x79,0x1c,0x22,0xfb,0x3c,0x2c,0xb9,0x9f,0xf5,0x21,0xf3,0xee,0xd5,0x4d,0x47,0x1c,
356     0x85,0xbe,0x83,0x93,0xe8,0xed,0x8c,0x5c,0x82,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
357     0x00,0x01,0x00,0x10,0x04,0x30,0x82,0x04,0x0c,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,
358     0x0d,0x01,0x07,0x02,0xa0,0x82,0x03,0xfd,0x30,0x82,0x03,0xf9,0x02,0x01,0x01,0x31,
359     0x00,0x30,0x0b,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x07,0x01,0xa0,0x82,
360     0x03,0xe1,0x30,0x82,0x01,0x77,0x30,0x82,0x01,0x25,0xa0,0x03,0x02,0x01,0x02,0x02,
361     0x08,0x01,0xbf,0x06,0x84,0x9d,0xdb,0x2d,0xe0,0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,
362     0x86,0xf7,0x0d,0x01,0x01,0x01,0x05,0x00,0x30,0x38,0x31,0x36,0x30,0x11,0x06,0x03,
363     0x55,0x04,0x03,0x1e,0x0a,0x00,0x4e,0x00,0x54,0x00,0x54,0x00,0x53,0x00,0x45,0x30,
364     0x21,0x06,0x03,0x55,0x04,0x07,0x1e,0x1a,0x00,0x4d,0x00,0x69,0x00,0x63,0x00,0x72,
365     0x00,0x6f,0x00,0x73,0x00,0x6f,0x00,0x66,0x00,0x74,0x00,0x2e,0x00,0x63,0x00,0x6f,
366     0x00,0x6d,0x30,0x1e,0x17,0x0d,0x39,0x39,0x30,0x39,0x32,0x34,0x31,0x32,0x30,0x32,
367     0x30,0x34,0x5a,0x17,0x0d,0x34,0x39,0x30,0x39,0x32,0x34,0x31,0x32,0x30,0x32,0x30,
368     0x34,0x5a,0x30,0x38,0x31,0x36,0x30,0x11,0x06,0x03,0x55,0x04,0x03,0x1e,0x0a,0x00,
369     0x4e,0x00,0x54,0x00,0x54,0x00,0x53,0x00,0x45,0x30,0x21,0x06,0x03,0x55,0x04,0x07,
370     0x1e,0x1a,0x00,0x4d,0x00,0x69,0x00,0x63,0x00,0x72,0x00,0x6f,0x00,0x73,0x00,0x6f,
371     0x00,0x66,0x00,0x74,0x00,0x2e,0x00,0x63,0x00,0x6f,0x00,0x6d,0x30,0x5c,0x30,0x0d,
372     0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01,0x05,0x00,0x03,0x4b,0x00,
373     0x30,0x48,0x02,0x41,0x00,0x91,0xb2,0x16,0x1c,0xae,0x4f,0x7f,0x7c,0xaf,0x57,0x2b,
374     0x23,0x4c,0x0c,0x25,0x3c,0x4f,0x66,0x9d,0x25,0xc3,0x4f,0x29,0xee,0x8b,0xda,0x4e,
375     0x95,0xe7,0x3b,0xaa,0xc0,0xa7,0xba,0xaf,0x99,0x8c,0x47,0x24,0x8b,0x09,0x77,0xbc,
376     0x2c,0xf4,0xe7,0x1a,0x07,0x58,0x7b,0x11,0x37,0x2a,0xa8,0x90,0xc3,0x50,0x92,0x80,
377     0x15,0xc5,0xda,0x51,0x8b,0x02,0x03,0x01,0x00,0x01,0xa3,0x13,0x30,0x11,0x30,0x0f,
378     0x06,0x03,0x55,0x1d,0x13,0x04,0x08,0x30,0x06,0x01,0x01,0xff,0x02,0x01,0x00,0x30,
379     0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1d,0x05,0x00,0x03,0x41,0x00,0x14,0x04,0x67,
380     0x28,0xc8,0xd3,0x1f,0x13,0x14,0x2e,0x2c,0x93,0x09,0x25,0xbb,0xbe,0x86,0x6a,0xd3,
381     0x47,0x6f,0x44,0x16,0x7b,0x94,0x8c,0xb2,0xa2,0xd5,0xf7,0x4f,0xb1,0x8f,0x7f,0xde,
382     0x0b,0x88,0x34,0x4a,0x1d,0xdc,0xa1,0xfd,0x26,0xbd,0x43,0xbb,0x38,0xf1,0x87,0x34,
383     0xbb,0xe9,0x3b,0xfa,0x7f,0x1e,0xff,0xe1,0x10,0x7e,0xee,0x6e,0xd8,0x30,0x82,0x02,
384     0x62,0x30,0x82,0x02,0x10,0xa0,0x03,0x02,0x01,0x02,0x02,0x05,0x01,0x00,0x00,0x00,
385     0x01,0x30,0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1d,0x05,0x00,0x30,0x38,0x31,0x36,
386     0x30,0x11,0x06,0x03,0x55,0x04,0x03,0x1e,0x0a,0x00,0x4e,0x00,0x54,0x00,0x54,0x00,
387     0x53,0x00,0x45,0x30,0x21,0x06,0x03,0x55,0x04,0x07,0x1e,0x1a,0x00,0x4d,0x00,0x69,
388     0x00,0x63,0x00,0x72,0x00,0x6f,0x00,0x73,0x00,0x6f,0x00,0x66,0x00,0x74,0x00,0x2e,
389     0x00,0x63,0x00,0x6f,0x00,0x6d,0x30,0x1e,0x17,0x0d,0x39,0x39,0x30,0x39,0x32,0x34,
390     0x30,0x30,0x30,0x30,0x30,0x30,0x5a,0x17,0x0d,0x34,0x39,0x30,0x39,0x32,0x34,0x30,
391     0x30,0x30,0x30,0x30,0x30,0x5a,0x30,0x79,0x31,0x77,0x30,0x17,0x06,0x03,0x55,0x04,
392     0x03,0x1e,0x10,0x00,0x52,0x00,0x45,0x00,0x53,0x00,0x37,0x00,0x2d,0x00,0x4e,0x00,
393     0x45,0x00,0x57,0x30,0x17,0x06,0x03,0x55,0x04,0x07,0x1e,0x10,0x00,0x7a,0x00,0x32,
394     0x00,0x32,0x00,0x33,0x00,0x32,0x00,0x32,0x00,0x30,0x00,0x33,0x30,0x43,0x06,0x03,
395     0x55,0x04,0x05,0x1e,0x3c,0x00,0x31,0x00,0x42,0x00,0x63,0x00,0x4b,0x00,0x65,0x00,
396     0x57,0x00,0x50,0x00,0x6c,0x00,0x37,0x00,0x58,0x00,0x47,0x00,0x61,0x00,0x73,0x00,
397     0x38,0x00,0x4a,0x00,0x79,0x00,0x50,0x00,0x34,0x00,0x30,0x00,0x7a,0x00,0x49,0x00,
398     0x6d,0x00,0x6e,0x00,0x6f,0x00,0x51,0x00,0x5a,0x00,0x59,0x00,0x3d,0x00,0x0d,0x00,
399     0x0a,0x30,0x5c,0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01,
400     0x05,0x00,0x03,0x4b,0x00,0x30,0x48,0x02,0x41,0x00,0x91,0xb2,0x16,0x1c,0xae,0x4f,
401     0x7f,0x7c,0xaf,0x57,0x2b,0x23,0x4c,0x0c,0x25,0x3c,0x4f,0x66,0x9d,0x25,0xc3,0x4f,
402     0x29,0xee,0x8b,0xda,0x4e,0x95,0xe7,0x3b,0xaa,0xc0,0xa7,0xba,0xaf,0x99,0x8c,0x47,
403     0x24,0x8b,0x09,0x77,0xbc,0x2c,0xf4,0xe7,0x1a,0x07,0x58,0x7b,0x11,0x37,0x2a,0xa8,
404     0x90,0xc3,0x50,0x92,0x80,0x15,0xc5,0xda,0x51,0x8b,0x02,0x03,0x01,0x00,0x01,0xa3,
405     0x81,0xc3,0x30,0x81,0xc0,0x30,0x14,0x06,0x09,0x2b,0x06,0x01,0x04,0x01,0x82,0x37,
406     0x12,0x04,0x01,0x01,0xff,0x04,0x04,0x01,0x00,0x01,0x00,0x30,0x3c,0x06,0x09,0x2b,
407     0x06,0x01,0x04,0x01,0x82,0x37,0x12,0x02,0x01,0x01,0xff,0x04,0x2c,0x4d,0x00,0x69,
408     0x00,0x63,0x00,0x72,0x00,0x6f,0x00,0x73,0x00,0x6f,0x00,0x66,0x00,0x74,0x00,0x20,
409     0x00,0x43,0x00,0x6f,0x00,0x72,0x00,0x70,0x00,0x6f,0x00,0x72,0x00,0x61,0x00,0x74,
410     0x00,0x69,0x00,0x6f,0x00,0x6e,0x00,0x00,0x00,0x30,0x4c,0x06,0x09,0x2b,0x06,0x01,
411     0x04,0x01,0x82,0x37,0x12,0x05,0x01,0x01,0xff,0x04,0x3c,0x00,0x10,0x00,0x00,0x01,
412     0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x09,0x04,0x00,0x00,0x18,0x00,0x18,0x00,0x30,
413     0x00,0x01,0x00,0x32,0x00,0x33,0x00,0x36,0x00,0x2d,0x00,0x34,0x00,0x2e,0x00,0x30,
414     0x00,0x30,0x00,0x2d,0x00,0x45,0x00,0x58,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,
415     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x1c,0x06,0x03,0x55,0x1d,0x23,0x01,0x01,
416     0xff,0x04,0x12,0x30,0x10,0xa1,0x07,0x81,0x05,0x4e,0x54,0x54,0x53,0x45,0x82,0x05,
417     0x01,0x00,0x00,0x00,0x01,0x30,0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1d,0x05,0x00,
418     0x03,0x41,0x00,0x7b,0x1d,0xfd,0x24,0xea,0xf2,0xe8,0x17,0xdd,0x88,0x7e,0xfd,0xee,
419     0x28,0x61,0x7a,0x02,0xc3,0x73,0xcf,0x32,0x0f,0x7c,0x66,0x87,0x31,0xa7,0xbe,0x1b,
420     0x31,0xe2,0x20,0xa5,0x76,0x91,0x68,0x97,0x53,0x9e,0x80,0xcd,0x2b,0xd0,0x8e,0x8b,
421     0x7f,0x89,0x1b,0x62,0xa8,0xf8,0xee,0x5e,0x56,0xbd,0x9c,0x6b,0x80,0x06,0x54,0xd3,
422     0xf0,0xbf,0xb2,0x31,0x00,0x01,0x00,0x14,0x00,0xc7,0x32,0xf2,0x5b,0x98,0x0e,0x04,
423     0x49,0xa0,0x27,0x7e,0xf5,0xf6,0x0f,0xda,0x08,0x1d,0xe9,0x79,0xd1,0x31,0xc6,0x50,
424     0x90,0x4a,0xd3,0x1f,0x1d,0xf0,0x65,0x0d,0xb6,0x1f,0xaf,0xc9,0x1d
425     };
426    
427     /* Send license certificate and related data to the server */
428     void rdp_send_cert(HCONN conn)
429     {
430     mcs_init_data(conn);
431     prs_io_uint8s(&conn->out, precanned_cert_packet, sizeof(precanned_cert_packet));
432     MARK_END(conn->out);
433     mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
434     }
435    
436     /* Initialise RDP transport packet */
437     void rdp_init(HCONN conn)
438     {
439     mcs_init_data(conn);
440     PUSH_LAYER(conn->out, rdp_offset, 6);
441     }
442    
443     /* Transmit RDP transport packet */
444     void rdp_send(HCONN conn, uint16 pdu_type)
445     {
446     RDP_HEADER hdr;
447     int length;
448    
449     POP_LAYER(conn->out, rdp_offset);
450     length = conn->out.end - conn->out.offset;
451     rdp_make_header(&hdr, length, pdu_type, conn->mcs_userid);
452     rdp_io_header(&conn->out, &hdr);
453     mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
454     }
455    
456     /* Initialise RDP transport data packet */
457     void rdp_init_data(HCONN conn)
458     {
459     mcs_init_data(conn);
460     PUSH_LAYER(conn->out, rdp_offset, 18);
461     }
462    
463     /* Transmit RDP transport data packet */
464     void rdp_send_data(HCONN conn, uint16 data_pdu_type)
465     {
466     RDP_HEADER hdr;
467     RDP_DATA_HEADER datahdr;
468     int length = conn->out.end - conn->out.offset;
469    
470     POP_LAYER(conn->out, rdp_offset);
471     length = conn->out.end - conn->out.offset;
472     rdp_make_header(&hdr, length, RDP_PDU_DATA, conn->mcs_userid);
473     rdp_io_header(&conn->out, &hdr);
474     rdp_make_data_header(&datahdr, 0x103ea, length, data_pdu_type);
475     rdp_io_data_header(&conn->out, &datahdr);
476     mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
477     }
478    
479     void rdp_send_confirm_active(HCONN conn)
480     {
481     RDP_ACTIVE_PDU active;
482    
483     rdp_init(conn);
484     rdp_make_active_pdu(&active, 0x103ea, conn->mcs_userid);
485     rdp_io_active_pdu(&conn->out, &active, RDP_PDU_CONFIRM_ACTIVE);
486     MARK_END(conn->out);
487     rdp_send(conn, RDP_PDU_CONFIRM_ACTIVE);
488     }
489    
490     void rdp_send_synchronize(HCONN conn)
491     {
492     RDP_SYNCHRONIZE_PDU sync;
493    
494     rdp_init_data(conn);
495     rdp_make_synchronize_pdu(&sync, 1002);
496     rdp_io_synchronize_pdu(&conn->out, &sync);
497     MARK_END(conn->out);
498     rdp_send_data(conn, RDP_DATA_PDU_SYNCHRONIZE);
499     }
500    
501     void rdp_send_control(HCONN conn, uint16 action)
502     {
503     RDP_CONTROL_PDU control;
504    
505     rdp_init_data(conn);
506     rdp_make_control_pdu(&control, action);
507     rdp_io_control_pdu(&conn->out, &control);
508     MARK_END(conn->out);
509     rdp_send_data(conn, RDP_DATA_PDU_CONTROL);
510     }
511    
512     void rdp_send_fonts(HCONN conn, uint16 seqno)
513     {
514     RDP_FONT_PDU fonts;
515    
516     rdp_init_data(conn);
517     rdp_make_font_pdu(&fonts, seqno);
518     rdp_io_font_pdu(&conn->out, &fonts);
519     MARK_END(conn->out);
520     rdp_send_data(conn, RDP_DATA_PDU_FONT2);
521     }
522    
523     void rdp_send_input(HCONN conn)
524     {
525     RDP_INPUT_PDU input;
526    
527     rdp_init_data(conn);
528     rdp_make_input_pdu(&input);
529     rdp_io_input_pdu(&conn->out, &input);
530     MARK_END(conn->out);
531     rdp_send_data(conn, RDP_DATA_PDU_INPUT);
532     }
533    
534     BOOL rdp_recv_pdu(HCONN conn, uint8 *type)
535     {
536     RDP_HEADER hdr;
537    
538 matty 7 conn->in.offset = conn->in.rdp_offset;
539    
540     if (conn->in.offset >= conn->in.end)
541     {
542     if (!mcs_recv(conn, False))
543     return False;
544     }
545    
546     if (!rdp_io_header(&conn->in, &hdr))
547 matty 3 return False;
548    
549 matty 7 conn->in.rdp_offset += hdr.length;
550 matty 3 *type = hdr.pdu_type & 0xf;
551 matty 7
552     #if DEBUG
553     fprintf(stderr, "RDP packet (type %x):\n", *type);
554     dump_data(conn->in.data+conn->in.offset, conn->in.rdp_offset-conn->in.offset);
555     #endif
556    
557 matty 3 return True;
558     }
559    
560     /* Disconnect from the RDP layer */
561     void rdp_disconnect(HCONN conn)
562     {
563     mcs_disconnect(conn);
564     }
565    
566     void rdp_make_header(RDP_HEADER *hdr, uint16 length, uint16 pdu_type,
567     uint16 userid)
568     {
569     hdr->length = length;
570     hdr->pdu_type = pdu_type | 0x10; /* Version 1 */
571     hdr->userid = userid + 1001;
572     }
573    
574     void rdp_make_data_header(RDP_DATA_HEADER *hdr, uint32 shareid,
575     uint16 length, uint16 data_pdu_type)
576     {
577     hdr->shareid = shareid;
578     hdr->pad = 0;
579     hdr->streamid = 1;
580     hdr->length = length - 14;
581     hdr->data_pdu_type = data_pdu_type;
582     hdr->compress_type = 0;
583     hdr->compress_len = 0;
584     }
585    
586     void rdp_make_general_caps(RDP_GENERAL_CAPS *caps)
587     {
588     caps->os_major_type = 1;
589     caps->os_minor_type = 3;
590     caps->ver_protocol = 0x200;
591     }
592    
593     void rdp_make_bitmap_caps(RDP_BITMAP_CAPS *caps)
594     {
595     caps->preferred_bpp = 8;
596     caps->receive1bpp = 1;
597     caps->receive4bpp = 1;
598     caps->receive8bpp = 1;
599     caps->width = 640;
600     caps->height = 480;
601     caps->compression = 1;
602     caps->unknown2 = 1;
603     }
604    
605     void rdp_make_order_caps(RDP_ORDER_CAPS *caps)
606     {
607     caps->xgranularity = 1;
608     caps->ygranularity = 20;
609     caps->max_order_level = 1;
610     caps->num_fonts = 0x147;
611     caps->cap_flags = 0x2A;
612    
613     // caps->cap_flags = ORDER_CAP_NEGOTIATE | ORDER_CAP_NOSUPPORT;
614    
615     caps->support[0] = caps->support[1] = caps->support[2]
616     = caps->support[3] = caps->support[4] = caps->support[5]
617     = caps->support[6] = caps->support[8] = caps->support[11]
618     = caps->support[12] = caps->support[22] = caps->support[28]
619     = caps->support[29] = caps->support[30] = 1;
620     caps->text_cap_flags = 0x6A1;
621     caps->desk_save_size = 0x38400;
622     caps->unknown2 = 0x4E4;
623     }
624    
625     void rdp_make_bmpcache_caps(RDP_BMPCACHE_CAPS *caps)
626     {
627     caps->caches[0].entries = 0x258;
628     caps->caches[0].max_cell_size = 0x100;
629     caps->caches[1].entries = 0x12c;
630     caps->caches[1].max_cell_size = 0x400;
631     caps->caches[2].entries = 0x106;
632     caps->caches[2].max_cell_size = 0x1000;
633     }
634    
635     void rdp_make_control_caps(RDP_CONTROL_CAPS *caps)
636     {
637     caps->control_interest = 2;
638     caps->detach_interest = 2;
639     }
640    
641     void rdp_make_activate_caps(RDP_ACTIVATE_CAPS *caps)
642     {
643     }
644    
645     void rdp_make_pointer_caps(RDP_POINTER_CAPS *caps)
646     {
647     caps->colour_pointer = 0;
648     caps->cache_size = 20;
649     }
650    
651     void rdp_make_share_caps(RDP_SHARE_CAPS *caps, uint16 userid)
652     {
653     }
654    
655     void rdp_make_colcache_caps(RDP_COLCACHE_CAPS *caps)
656     {
657     caps->cache_size = 6;
658     }
659    
660     void rdp_make_active_pdu(RDP_ACTIVE_PDU *pdu, uint32 shareid, uint16 userid)
661     {
662     memset(pdu, 0, sizeof(*pdu));
663     pdu->shareid = shareid;
664     pdu->userid = 1002;
665     pdu->source_len = sizeof(RDP_SOURCE);
666     memcpy(pdu->source, RDP_SOURCE, sizeof(RDP_SOURCE));
667    
668     pdu->caps_len = RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER
669     + RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + RDP_CAPLEN_ACTIVATE
670     + RDP_CAPLEN_CONTROL + RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE
671     + RDP_CAPLEN_UNKNOWN;
672     pdu->num_caps = 0xD;
673    
674     rdp_make_general_caps (&pdu->general_caps );
675     rdp_make_bitmap_caps (&pdu->bitmap_caps );
676     rdp_make_order_caps (&pdu->order_caps );
677     rdp_make_bmpcache_caps(&pdu->bmpcache_caps);
678     rdp_make_control_caps (&pdu->control_caps );
679     rdp_make_activate_caps(&pdu->activate_caps);
680     rdp_make_pointer_caps (&pdu->pointer_caps );
681     rdp_make_share_caps (&pdu->share_caps, userid);
682     rdp_make_colcache_caps(&pdu->colcache_caps);
683     }
684    
685     void rdp_make_control_pdu(RDP_CONTROL_PDU *pdu, uint16 action)
686     {
687     pdu->action = action;
688     pdu->userid = 0;
689     pdu->controlid = 0;
690     }
691    
692     void rdp_make_synchronize_pdu(RDP_SYNCHRONIZE_PDU *pdu, uint16 userid)
693     {
694     pdu->type = 1;
695     pdu->userid = userid;
696     }
697    
698     void rdp_make_font_pdu(RDP_FONT_PDU *pdu, uint16 seqno)
699     {
700     pdu->num_fonts = 0;
701     pdu->unknown1 = 0x3e;
702     pdu->unknown2 = seqno;
703     pdu->entry_size = RDP_FONT_INFO_SIZE;
704     }
705    
706     void rdp_make_input_pdu(RDP_INPUT_PDU *pdu)
707     {
708     uint32 now = time(NULL);
709    
710     pdu->num_events = 3;
711     pdu->pad = 0;
712    
713     pdu->event[0].event_time = now;
714     pdu->event[0].message_type = RDP_INPUT_SYNCHRONIZE;
715     pdu->event[0].device_flags = 0;
716     pdu->event[0].mouse_x = 0;
717     pdu->event[0].mouse_y = 0;
718    
719     pdu->event[1].event_time = now;
720     pdu->event[1].message_type = RDP_INPUT_UNKNOWN;
721     pdu->event[1].device_flags = 0x8000;
722     pdu->event[1].mouse_x = 15;
723     pdu->event[1].mouse_y = 0;
724    
725     pdu->event[2].event_time = now;
726     pdu->event[2].message_type = RDP_INPUT_MOUSE;
727     pdu->event[2].device_flags = MOUSE_FLAG_MOVE;
728     pdu->event[2].mouse_x = 425;
729     pdu->event[2].mouse_y = 493;
730     }
731    
732     BOOL rdp_io_header(STREAM s, RDP_HEADER *hdr)
733     {
734     BOOL res = True;
735    
736     res = res ? lsb_io_uint16(s, &hdr->length ) : False;
737     res = res ? lsb_io_uint16(s, &hdr->pdu_type) : False;
738     res = res ? lsb_io_uint16(s, &hdr->userid ) : False;
739    
740     return res;
741     }
742    
743     BOOL rdp_io_data_header(STREAM s, RDP_DATA_HEADER *hdr)
744     {
745     BOOL res = True;
746    
747     res = res ? lsb_io_uint32(s, &hdr->shareid ) : False;
748     res = res ? prs_io_uint8 (s, &hdr->pad ) : False;
749     res = res ? prs_io_uint8 (s, &hdr->streamid ) : False;
750     res = res ? lsb_io_uint16(s, &hdr->length ) : False;
751     res = res ? prs_io_uint8 (s, &hdr->data_pdu_type) : False;
752     res = res ? prs_io_uint8 (s, &hdr->compress_type) : False;
753     res = res ? lsb_io_uint16(s, &hdr->compress_len ) : False;
754    
755     return res;
756     }
757    
758 matty 7 BOOL rdp_io_coord(STREAM s, uint16 *coord, BOOL delta)
759     {
760     uint8 change;
761     BOOL res;
762    
763     if (delta)
764     {
765     res = prs_io_uint8(s, &change);
766     *coord += change;
767     }
768     else
769     {
770     res = lsb_io_uint16(s, coord);
771     }
772    
773     return res;
774     }
775    
776     BOOL rdp_io_colormap(STREAM s, COLORMAP *colors)
777     {
778     int datasize;
779    
780     lsb_io_uint16(s, &colors->ncolors);
781     datasize = colors->ncolors * 3;
782    
783     if (datasize > sizeof(colors->colors))
784     return False;
785    
786     memcpy(colors->colors, s->data + s->offset, datasize);
787     s->offset += datasize;
788     return True;
789     }
790    
791 matty 3 BOOL rdp_io_general_caps(STREAM s, RDP_GENERAL_CAPS *caps)
792     {
793     uint16 length = RDP_CAPLEN_GENERAL;
794     uint16 pkt_length = length;
795     BOOL res;
796    
797     res = lsb_io_uint16(s, &pkt_length);
798     if (pkt_length != length)
799     {
800     fprintf(stderr, "Unrecognised capabilities size\n");
801     return False;
802     }
803    
804     res = res ? lsb_io_uint16(s, &caps->os_major_type ) : False;
805     res = res ? lsb_io_uint16(s, &caps->os_minor_type ) : False;
806     res = res ? lsb_io_uint16(s, &caps->ver_protocol ) : False;
807     res = res ? lsb_io_uint16(s, &caps->pad1 ) : False;
808     res = res ? lsb_io_uint16(s, &caps->compress_types) : False;
809     res = res ? lsb_io_uint16(s, &caps->pad2 ) : False;
810     res = res ? lsb_io_uint16(s, &caps->cap_update ) : False;
811     res = res ? lsb_io_uint16(s, &caps->remote_unshare) : False;
812     res = res ? lsb_io_uint16(s, &caps->compress_level) : False;
813     res = res ? lsb_io_uint16(s, &caps->pad3 ) : False;
814    
815     return res;
816     }
817    
818     BOOL rdp_io_bitmap_caps(STREAM s, RDP_BITMAP_CAPS *caps)
819     {
820     uint16 length = RDP_CAPLEN_BITMAP;
821     uint16 pkt_length = length;
822     BOOL res;
823    
824     res = lsb_io_uint16(s, &pkt_length);
825     if (pkt_length != length)
826     {
827     fprintf(stderr, "Unrecognised capabilities size\n");
828     return False;
829     }
830    
831     res = res ? lsb_io_uint16(s, &caps->preferred_bpp) : False;
832     res = res ? lsb_io_uint16(s, &caps->receive1bpp ) : False;
833     res = res ? lsb_io_uint16(s, &caps->receive4bpp ) : False;
834     res = res ? lsb_io_uint16(s, &caps->receive8bpp ) : False;
835     res = res ? lsb_io_uint16(s, &caps->width ) : False;
836     res = res ? lsb_io_uint16(s, &caps->height ) : False;
837     res = res ? lsb_io_uint16(s, &caps->pad1 ) : False;
838     res = res ? lsb_io_uint16(s, &caps->allow_resize ) : False;
839     res = res ? lsb_io_uint16(s, &caps->compression ) : False;
840     res = res ? lsb_io_uint16(s, &caps->unknown1 ) : False;
841     res = res ? lsb_io_uint16(s, &caps->unknown2 ) : False;
842     res = res ? lsb_io_uint16(s, &caps->pad2 ) : False;
843    
844     return res;
845     }
846    
847     BOOL rdp_io_order_caps(STREAM s, RDP_ORDER_CAPS *caps)
848     {
849     uint16 length = RDP_CAPLEN_ORDER;
850     uint16 pkt_length = length;
851     BOOL res;
852    
853     res = lsb_io_uint16(s, &pkt_length);
854     if (pkt_length != length)
855     {
856     fprintf(stderr, "Unrecognised capabilities size\n");
857     return False;
858     }
859    
860     res = res ? prs_io_uint8s(s, caps->terminal_desc, 16) : False;
861     res = res ? lsb_io_uint32(s, &caps->pad1 ) : False;
862     res = res ? lsb_io_uint16(s, &caps->xgranularity ) : False;
863     res = res ? lsb_io_uint16(s, &caps->ygranularity ) : False;
864     res = res ? lsb_io_uint16(s, &caps->pad2 ) : False;
865     res = res ? lsb_io_uint16(s, &caps->max_order_level ) : False;
866     res = res ? lsb_io_uint16(s, &caps->num_fonts ) : False;
867     res = res ? lsb_io_uint16(s, &caps->cap_flags ) : False;
868     res = res ? prs_io_uint8s(s, caps->support , 32) : False;
869     res = res ? lsb_io_uint16(s, &caps->text_cap_flags ) : False;
870     res = res ? lsb_io_uint16(s, &caps->pad3 ) : False;
871     res = res ? lsb_io_uint32(s, &caps->pad4 ) : False;
872     res = res ? lsb_io_uint32(s, &caps->desk_save_size ) : False;
873     res = res ? lsb_io_uint32(s, &caps->unknown1 ) : False;
874     res = res ? lsb_io_uint32(s, &caps->unknown2 ) : False;
875    
876     return res;
877     }
878    
879     BOOL rdp_io_bmpcache_info(STREAM s, RDP_BMPCACHE_INFO *info)
880     {
881     if (!lsb_io_uint16(s, &info->entries ))
882     return False;
883    
884     if (!lsb_io_uint16(s, &info->max_cell_size))
885     return False;
886    
887     return True;
888     }
889    
890     BOOL rdp_io_bmpcache_caps(STREAM s, RDP_BMPCACHE_CAPS *caps)
891     {
892     uint16 length = RDP_CAPLEN_BMPCACHE;
893     uint16 pkt_length = length;
894     BOOL res;
895     int i;
896    
897     res = lsb_io_uint16(s, &pkt_length);
898     if (pkt_length != length)
899     {
900     fprintf(stderr, "Unrecognised capabilities size\n");
901     return False;
902     }
903    
904     for (i = 0; i < 6; i++)
905     res = res ? lsb_io_uint32(s, &caps->unused[i]) : False;
906    
907     for (i = 0; i < 3; i++)
908     res = res ? rdp_io_bmpcache_info(s, &caps->caches[i]) : False;
909    
910     return res;
911     }
912    
913     BOOL rdp_io_control_caps(STREAM s, RDP_CONTROL_CAPS *caps)
914     {
915     uint16 length = RDP_CAPLEN_CONTROL;
916     uint16 pkt_length = length;
917     BOOL res;
918    
919     res = lsb_io_uint16(s, &pkt_length);
920     if (pkt_length != length)
921     {
922     fprintf(stderr, "Unrecognised capabilities size\n");
923     return False;
924     }
925    
926     res = res ? lsb_io_uint16(s, &caps->control_caps ) : False;
927     res = res ? lsb_io_uint16(s, &caps->remote_detach ) : False;
928     res = res ? lsb_io_uint16(s, &caps->control_interest) : False;
929     res = res ? lsb_io_uint16(s, &caps->detach_interest ) : False;
930    
931     return res;
932     }
933    
934     BOOL rdp_io_activate_caps(STREAM s, RDP_ACTIVATE_CAPS *caps)
935     {
936     uint16 length = RDP_CAPLEN_ACTIVATE;
937     uint16 pkt_length = length;
938     BOOL res;
939    
940     res = lsb_io_uint16(s, &pkt_length);
941     if (pkt_length != length)
942     {
943     fprintf(stderr, "Unrecognised capabilities size\n");
944     return False;
945     }
946    
947     res = res ? lsb_io_uint16(s, &caps->help_key ) : False;
948     res = res ? lsb_io_uint16(s, &caps->help_index_key ) : False;
949     res = res ? lsb_io_uint16(s, &caps->help_extended_key) : False;
950     res = res ? lsb_io_uint16(s, &caps->window_activate ) : False;
951    
952     return res;
953     }
954    
955     BOOL rdp_io_pointer_caps(STREAM s, RDP_POINTER_CAPS *caps)
956     {
957     uint16 length = RDP_CAPLEN_POINTER;
958     uint16 pkt_length = length;
959     BOOL res;
960    
961     res = lsb_io_uint16(s, &pkt_length);
962     if (pkt_length != length)
963     {
964     fprintf(stderr, "Unrecognised capabilities size\n");
965     return False;
966     }
967    
968     res = res ? lsb_io_uint16(s, &caps->colour_pointer) : False;
969     res = res ? lsb_io_uint16(s, &caps->cache_size ) : False;
970    
971     return res;
972     }
973    
974     BOOL rdp_io_share_caps(STREAM s, RDP_SHARE_CAPS *caps)
975     {
976     uint16 length = RDP_CAPLEN_SHARE;
977     uint16 pkt_length = length;
978     BOOL res;
979    
980     res = lsb_io_uint16(s, &pkt_length);
981     if (pkt_length != length)
982     {
983     fprintf(stderr, "Unrecognised capabilities size\n");
984     return False;
985     }
986    
987     res = res ? lsb_io_uint16(s, &caps->userid) : False;
988     res = res ? lsb_io_uint16(s, &caps->pad ) : False;
989    
990     return res;
991     }
992    
993     BOOL rdp_io_colcache_caps(STREAM s, RDP_COLCACHE_CAPS *caps)
994     {
995     uint16 length = RDP_CAPLEN_COLCACHE;
996     uint16 pkt_length = length;
997     BOOL res;
998    
999     res = lsb_io_uint16(s, &pkt_length);
1000     if (pkt_length != length)
1001     {
1002     fprintf(stderr, "Unrecognised capabilities size\n");
1003     return False;
1004     }
1005    
1006     res = res ? lsb_io_uint16(s, &caps->cache_size) : False;
1007     res = res ? lsb_io_uint16(s, &caps->pad ) : False;
1008    
1009     return res;
1010     }
1011    
1012     uint8 canned_caps[] = {
1013     0x01,0x00,0x00,0x00,0x09,0x04,0x00,0x00,0x04,
1014     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1015     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1016     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1017     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1018     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x08,0x00,0x01,
1019     0x00,0x00,0x00,0x0E,0x00,0x08,0x00,0x01,0x00,0x00,0x00,0x10,0x00,0x34,0x00,0xFE,
1020     0x00,0x04,0x00,0xFE,0x00,0x04,0x00,0xFE,0x00,0x08,0x00,0xFE,0x00,0x08,0x00,0xFE,
1021     0x00,0x10,0x00,0xFE,0x00,0x20,0x00,0xFE,0x00,0x40,0x00,0xFE,0x00,0x80,0x00,0xFE,
1022     0x00,0x00,0x01,0x40,0x00,0x00,0x08,0x00,0x01,0x00,0x01,0x02,0x00,0x00,0x00
1023     };
1024    
1025     BOOL rdp_io_unknown_caps(STREAM s, void *caps)
1026     {
1027     uint16 length = 0x58;
1028     uint16 pkt_length = length;
1029     BOOL res;
1030    
1031     res = lsb_io_uint16(s, &pkt_length);
1032     if (pkt_length != length)
1033     {
1034     fprintf(stderr, "Unrecognised capabilities size\n");
1035     return False;
1036     }
1037    
1038     res = res ? prs_io_uint8s(s, canned_caps, RDP_CAPLEN_UNKNOWN-4) : False;
1039    
1040     return res;
1041     }
1042    
1043     BOOL rdp_io_active_pdu(STREAM s, RDP_ACTIVE_PDU *pdu, int pdutype)
1044     {
1045     uint16 capset;
1046     uint16 length;
1047     BOOL res;
1048     int i;
1049    
1050     res = lsb_io_uint32(s, &pdu->shareid);
1051    
1052     if (pdutype == RDP_PDU_CONFIRM_ACTIVE)
1053     res = res ? lsb_io_uint16(s, &pdu->userid ) : False;
1054    
1055     res = res ? lsb_io_uint16(s, &pdu->source_len) : False;
1056     res = res ? lsb_io_uint16(s, &pdu->caps_len ) : False;
1057    
1058     if (pdu->source_len > 48)
1059     {
1060     fprintf(stderr, "RDP source descriptor too long\n");
1061     return False;
1062     }
1063    
1064     res = res ? prs_io_uint8s(s, pdu->source, pdu->source_len) : False;
1065     res = res ? lsb_io_uint16(s, &pdu->num_caps ) : False;
1066     res = res ? lsb_io_uint16(s, &pdu->pad ) : False;
1067    
1068     if (s->marshall)
1069     {
1070     capset = RDP_CAPSET_GENERAL;
1071     res = res ? lsb_io_uint16(s, &capset) : False;
1072     res = res ? rdp_io_general_caps(s, &pdu->general_caps) : False;
1073    
1074     capset = RDP_CAPSET_BITMAP;
1075     res = res ? lsb_io_uint16(s, &capset) : False;
1076     res = res ? rdp_io_bitmap_caps (s, &pdu->bitmap_caps ) : False;
1077    
1078     capset = RDP_CAPSET_ORDER;
1079     res = res ? lsb_io_uint16(s, &capset) : False;
1080     res = res ? rdp_io_order_caps (s, &pdu->order_caps ) : False;
1081    
1082     capset = RDP_CAPSET_BMPCACHE;
1083     res = res ? lsb_io_uint16(s, &capset) : False;
1084     res = res ? rdp_io_bmpcache_caps(s, &pdu->bmpcache_caps) : False;
1085    
1086     capset = RDP_CAPSET_COLCACHE;
1087     res = res ? lsb_io_uint16(s, &capset) : False;
1088     res = res ? rdp_io_colcache_caps(s, &pdu->colcache_caps) : False;
1089    
1090     capset = RDP_CAPSET_ACTIVATE;
1091     res = res ? lsb_io_uint16(s, &capset) : False;
1092     res = res ? rdp_io_activate_caps(s, &pdu->activate_caps) : False;
1093    
1094     capset = RDP_CAPSET_CONTROL;
1095     res = res ? lsb_io_uint16(s, &capset) : False;
1096     res = res ? rdp_io_control_caps(s, &pdu->control_caps) : False;
1097    
1098     capset = RDP_CAPSET_POINTER;
1099     res = res ? lsb_io_uint16(s, &capset) : False;
1100     res = res ? rdp_io_pointer_caps(s, &pdu->pointer_caps) : False;
1101    
1102     capset = RDP_CAPSET_SHARE;
1103     res = res ? lsb_io_uint16(s, &capset) : False;
1104     res = res ? rdp_io_share_caps (s, &pdu->share_caps ) : False;
1105    
1106     capset = RDP_CAPSET_UNKNOWN;
1107     res = res ? lsb_io_uint16(s, &capset) : False;
1108     res = res ? rdp_io_unknown_caps(s, NULL) : False;
1109     }
1110     else
1111     {
1112     for (i = 0; i < pdu->num_caps; i++)
1113     {
1114     if (!res)
1115     return False;
1116    
1117     if (!lsb_io_uint16(s, &capset))
1118     return False;
1119    
1120     switch (capset)
1121     {
1122     case RDP_CAPSET_GENERAL:
1123     res = rdp_io_general_caps (s, &pdu->general_caps );
1124     break;
1125     case RDP_CAPSET_BITMAP:
1126     res = rdp_io_bitmap_caps (s, &pdu->bitmap_caps );
1127     break;
1128     case RDP_CAPSET_ORDER:
1129     res = rdp_io_order_caps (s, &pdu->order_caps );
1130     break;
1131     case RDP_CAPSET_BMPCACHE:
1132     res = rdp_io_bmpcache_caps(s, &pdu->bmpcache_caps);
1133     break;
1134     case RDP_CAPSET_CONTROL:
1135     res = rdp_io_control_caps (s, &pdu->control_caps );
1136     break;
1137     case RDP_CAPSET_ACTIVATE:
1138     res = rdp_io_activate_caps(s, &pdu->activate_caps);
1139     break;
1140     case RDP_CAPSET_POINTER:
1141     res = rdp_io_pointer_caps (s, &pdu->pointer_caps );
1142     break;
1143     case RDP_CAPSET_SHARE:
1144     res = rdp_io_share_caps (s, &pdu->share_caps );
1145     break;
1146     case RDP_CAPSET_COLCACHE:
1147     res = rdp_io_colcache_caps(s, &pdu->colcache_caps);
1148     break;
1149     default:
1150     fprintf(stderr, "Warning: Unrecognised capset %x\n",
1151     capset);
1152    
1153     if (!lsb_io_uint16(s, &length))
1154     return False;
1155    
1156     s->offset += (length - 4);
1157     }
1158     }
1159     }
1160    
1161     return res;
1162     }
1163    
1164     BOOL rdp_io_control_pdu(STREAM s, RDP_CONTROL_PDU *pdu)
1165     {
1166     BOOL res = True;
1167    
1168     res = res ? lsb_io_uint16(s, &pdu->action ) : False;
1169     res = res ? lsb_io_uint16(s, &pdu->userid ) : False;
1170     res = res ? lsb_io_uint32(s, &pdu->controlid) : False;
1171    
1172     return res;
1173     }
1174    
1175     BOOL rdp_io_synchronize_pdu(STREAM s, RDP_SYNCHRONIZE_PDU *pdu)
1176     {
1177     BOOL res = True;
1178    
1179     res = res ? lsb_io_uint16(s, &pdu->type ) : False;
1180     res = res ? lsb_io_uint16(s, &pdu->userid) : False;
1181    
1182     return res;
1183     }
1184    
1185     BOOL rdp_io_input_event(STREAM s, RDP_INPUT_EVENT *evt)
1186     {
1187     BOOL res = True;
1188    
1189     res = res ? lsb_io_uint32(s, &evt->event_time) : False;
1190     res = res ? lsb_io_uint16(s, &evt->message_type) : False;
1191    
1192     if (!res)
1193     return False;
1194    
1195     switch (evt->message_type)
1196     {
1197     case RDP_INPUT_CODEPOINT:
1198     case RDP_INPUT_VIRTKEY:
1199     res = res ? lsb_io_uint16(s, &evt->device_flags) : False;
1200     res = res ? lsb_io_uint16(s, &evt->kbd_keycode ) : False;
1201     break;
1202     case RDP_INPUT_SYNCHRONIZE:
1203     case RDP_INPUT_UNKNOWN:
1204     case RDP_INPUT_MOUSE:
1205     res = res ? lsb_io_uint16(s, &evt->device_flags) : False;
1206     res = res ? lsb_io_uint16(s, &evt->mouse_x ) : False;
1207     res = res ? lsb_io_uint16(s, &evt->mouse_y ) : False;
1208     break;
1209     default:
1210     fprintf(stderr, "Unknown input type %d\n", evt->message_type);
1211     return False;
1212     }
1213    
1214     return res;
1215     }
1216    
1217     BOOL rdp_io_input_pdu(STREAM s, RDP_INPUT_PDU *pdu)
1218     {
1219     BOOL res = True;
1220     int i;
1221    
1222     res = res ? lsb_io_uint16(s, &pdu->num_events) : False;
1223     res = res ? lsb_io_uint16(s, &pdu->pad ) : False;
1224    
1225     if (pdu->num_events > RDP_MAX_EVENTS)
1226     {
1227     fprintf(stderr, "Too many events in one PDU\n");
1228     return False;
1229     }
1230    
1231     for (i = 0; i < pdu->num_events; i++)
1232     {
1233     res = res ? rdp_io_input_event(s, &pdu->event[i]) : False;
1234     }
1235    
1236     return res;
1237     }
1238    
1239     BOOL rdp_io_font_info(STREAM s, RDP_FONT_INFO *font)
1240     {
1241     BOOL res = True;
1242    
1243     res = res ? prs_io_uint8s(s, font->name, 32 ) : False;
1244     res = res ? lsb_io_uint16(s, &font->flags ) : False;
1245     res = res ? lsb_io_uint16(s, &font->width ) : False;
1246     res = res ? lsb_io_uint16(s, &font->height ) : False;
1247     res = res ? lsb_io_uint16(s, &font->xaspect ) : False;
1248     res = res ? lsb_io_uint16(s, &font->yaspect ) : False;
1249     res = res ? lsb_io_uint32(s, &font->signature) : False;
1250     res = res ? lsb_io_uint16(s, &font->codepage ) : False;
1251     res = res ? lsb_io_uint16(s, &font->ascent ) : False;
1252    
1253     return res;
1254     }
1255    
1256     BOOL rdp_io_font_pdu(STREAM s, RDP_FONT_PDU *pdu)
1257     {
1258     BOOL res = True;
1259     int i;
1260    
1261     res = res ? lsb_io_uint16(s, &pdu->num_fonts ) : False;
1262     res = res ? lsb_io_uint16(s, &pdu->unknown1 ) : False;
1263     res = res ? lsb_io_uint16(s, &pdu->unknown2 ) : False;
1264     res = res ? lsb_io_uint16(s, &pdu->entry_size) : False;
1265    
1266     if (pdu->num_fonts > RDP_MAX_FONTS)
1267     {
1268     fprintf(stderr, "Too many fonts in one PDU\n");
1269     return False;
1270     }
1271    
1272     for (i = 0; i < pdu->num_fonts; i++)
1273     {
1274     res = res ? rdp_io_font_info(s, &pdu->font[i]) : False;
1275     }
1276    
1277     return res;
1278     }
1279    
1280     BOOL rdp_io_update_pdu(STREAM s, RDP_UPDATE_PDU *pdu)
1281     {
1282     BOOL res = True;
1283    
1284     res = res ? lsb_io_uint16(s, &pdu->update_type) : False;
1285     res = res ? lsb_io_uint16(s, &pdu->pad ) : False;
1286    
1287     return res;
1288     }
1289    
1290     BOOL rdp_io_secondary_order(STREAM s, RDP_SECONDARY_ORDER *rso)
1291     {
1292     BOOL res = True;
1293    
1294     res = res ? lsb_io_uint16(s, &rso->length) : False;
1295     res = res ? lsb_io_uint16(s, &rso->flags ) : False;
1296     res = res ? prs_io_uint8 (s, &rso->type ) : False;
1297    
1298     return res;
1299     }
1300    
1301     BOOL rdp_io_bitmap_header(STREAM s, RDP_BITMAP_HEADER *rdh)
1302     {
1303     BOOL res = True;
1304    
1305     res = res ? prs_io_uint8 (s, &rdh->cache_id ) : False;
1306     res = res ? prs_io_uint8 (s, &rdh->pad1 ) : False;
1307     res = res ? prs_io_uint8 (s, &rdh->width ) : False;
1308     res = res ? prs_io_uint8 (s, &rdh->height ) : False;
1309     res = res ? prs_io_uint8 (s, &rdh->bpp ) : False;
1310     res = res ? lsb_io_uint16(s, &rdh->bufsize ) : False;
1311     res = res ? lsb_io_uint16(s, &rdh->cache_idx ) : False;
1312     res = res ? lsb_io_uint16(s, &rdh->pad2 ) : False;
1313     res = res ? lsb_io_uint16(s, &rdh->size ) : False;
1314     res = res ? lsb_io_uint16(s, &rdh->row_size ) : False;
1315     res = res ? lsb_io_uint16(s, &rdh->final_size) : False;
1316    
1317     return res;
1318     }
1319 matty 7
1320     BOOL rdp_io_pointer(STREAM s, RDP_POINTER *ptr)
1321     {
1322     BOOL res = True;
1323    
1324     res = res ? lsb_io_uint16(s, &ptr->message) : False;
1325     res = res ? lsb_io_uint16(s, &ptr->pad ) : False;
1326     res = res ? lsb_io_uint16(s, &ptr->x ) : False;
1327     res = res ? lsb_io_uint16(s, &ptr->y ) : False;
1328    
1329     return res;
1330     }
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