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

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Revision 6 - (show annotations)
Wed Jul 5 07:44:21 2000 UTC (23 years, 10 months ago) by matty
File MIME type: text/plain
File size: 34534 byte(s) 
Started hacking on an X-Windows (Xlib) interface.
Currently pops up a window and displays bitmaps it sees side by side.
Next step is to go back to the protocol and interpret the surrounding data
stream.
1 /*
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
38 if (!rdp_recv_pdu(conn, &type) || (type != RDP_PDU_DEMAND_ACTIVE))
39 {
40 fprintf(stderr, "RDP error, expected Demand Active\n");
41 mcs_disconnect(conn);
42 return NULL;
43 }
44
45 rdp_io_active_pdu(&conn->in, &active, RDP_PDU_DEMAND_ACTIVE);
46 rdp_send_confirm_active(conn);
47 rdp_send_synchronize(conn);
48 rdp_send_control(conn, RDP_CTL_COOPERATE);
49 rdp_send_control(conn, RDP_CTL_REQUEST_CONTROL);
50 rdp_recv_pdu(conn, &type); // RDP_PDU_SYNCHRONIZE
51 rdp_recv_pdu(conn, &type); // RDP_CTL_COOPERATE
52 rdp_recv_pdu(conn, &type); // RDP_CTL_GRANT_CONTROL
53 rdp_send_input(conn);
54 rdp_send_fonts(conn, 1);
55 rdp_send_fonts(conn, 2);
56 rdp_recv_pdu(conn, &type); // RDP_PDU_UNKNOWN 0x28
57
58 return conn;
59 }
60
61 void rdp_main_loop(HCONN conn)
62 {
63 RDP_DATA_HEADER hdr;
64 RDP_UPDATE_PDU update;
65 RDP_ORDER_STATE os;
66 uint8 type;
67
68 memset(&os, 0, sizeof(os));
69
70 while (rdp_recv_pdu(conn, &type))
71 {
72 if (type != RDP_PDU_DATA)
73 continue;
74
75 rdp_io_data_header(&conn->in, &hdr);
76
77 switch (hdr.data_pdu_type)
78 {
79 case RDP_DATA_PDU_UPDATE:
80 rdp_io_update_pdu(&conn->in, &update);
81 if (update.update_type == RDP_UPDATE_ORDERS)
82 {
83 fprintf(stderr, "Received orders\n");
84 process_orders(conn, &os);
85 }
86 break;
87 }
88 }
89 }
90
91 void prs_io_coord(STREAM s, uint16 *coord, BOOL delta)
92 {
93 uint8 change;
94
95 if (delta)
96 {
97 prs_io_uint8(s, &change);
98 *coord += change;
99 }
100 else
101 {
102 lsb_io_uint16(s, coord);
103 }
104 }
105
106 void process_opaque_rect(HCONN conn, RDP_ORDER_STATE *os, BOOL delta)
107 {
108 uint8 present;
109 prs_io_uint8(&conn->in, &present);
110
111 if (present & 1)
112 prs_io_coord(&conn->in, &os->opaque_rect.x, delta);
113
114 if (present & 2)
115 prs_io_coord(&conn->in, &os->opaque_rect.y, delta);
116
117 if (present & 4)
118 prs_io_coord(&conn->in, &os->opaque_rect.cx, delta);
119
120 if (present & 8)
121 prs_io_coord(&conn->in, &os->opaque_rect.cy, delta);
122
123 if (present & 16)
124 prs_io_uint8(&conn->in, &os->opaque_rect.colour);
125
126 fprintf(stderr, "Opaque rectangle at %d, %d\n", os->opaque_rect.x, os->opaque_rect.y);
127 }
128
129 void process_bmpcache(HCONN conn)
130 {
131
132 RDP_BITMAP_HEADER rbh;
133 char *bmpdata;
134 HBITMAP bmp;
135 static int x = 0;
136
137 rdp_io_bitmap_header(&conn->in, &rbh);
138 fprintf(stderr, "Decompressing bitmap %d x %d, final size %d\n", rbh.width, rbh.height, rbh.final_size);
139
140 bmpdata = malloc(rbh.width * rbh.height);
141 bitmap_decompress(conn->in.data
142 + conn->in.offset, rbh.size,
143 bmpdata, rbh.width);
144 conn->in.offset += rbh.size;
145
146 bmp = ui_create_bitmap(conn->wnd, rbh.width, rbh.height, bmpdata);
147 ui_paint_bitmap(conn->wnd, bmp, x, 0);
148 ui_destroy_bitmap(bmp);
149
150 x += rbh.width;
151 }
152
153 void process_orders(HCONN conn, RDP_ORDER_STATE *os)
154 {
155 uint16 num_orders;
156 int processed = 0;
157 BOOL res = True;
158 // unsigned char *p;
159
160 lsb_io_uint16(&conn->in, &num_orders);
161
162 conn->in.offset += 2;
163 // p = &conn->in.data[conn->in.offset];
164
165 // fprintf(stderr, "%02X %02X %02X %02X\n", p[0], p[1], p[2], p[3]);
166
167 while ((processed < num_orders) && res)
168 {
169 uint8 order_flags;
170
171 prs_io_uint8(&conn->in, &order_flags);
172
173 if (!(order_flags & RDP_ORDER_STANDARD))
174 return;
175
176 if (order_flags & RDP_ORDER_SECONDARY)
177 {
178 RDP_SECONDARY_ORDER rso;
179
180 rdp_io_secondary_order(&conn->in, &rso);
181 switch (rso.type)
182 {
183 case RDP_ORDER_BMPCACHE:
184 process_bmpcache(conn);
185 break;
186 default:
187 fprintf(stderr, "Unknown secondary order %d\n",
188 rso.type);
189 return;
190 }
191
192
193 }
194
195 if (order_flags & RDP_ORDER_CHANGE)
196 prs_io_uint8(&conn->in, &os->order_type);
197
198 switch (os->order_type)
199 {
200 case RDP_ORDER_OPAQUE_RECT:
201 process_opaque_rect(conn, os, order_flags & RDP_ORDER_DELTA);
202 break;
203 default:
204 fprintf(stderr, "Unknown order %d\n", os->order_type);
205 return;
206 }
207
208 processed++;
209 }
210 }
211
212 /* Work this out later. This is useless anyway when encryption is off. */
213 uint8 precanned_key_packet[] = {
214 0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x00,0x00,0x00,0x00,0x00,
215 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x6c,0x86,
216 0xf7,0x99,0xef,0x60,0xc4,0x49,0x52,0xd0,0xd8,0xea,0xb5,0x4f,0x58,0x19,
217 0x52,0x2a,0x93,0x83,0x57,0x4f,0x4e,0x04,0xde,0x96,0x51,0xab,0x13,0x20,
218 0xd8,0xe5,0x00,0x00,0x00,0x00,0x00,0x00
219 };
220
221 /* Create an RC4 key and transfer it to the server */
222 void rdp_establish_key(HCONN conn)
223 {
224 mcs_init_data(conn);
225 memcpy(conn->out.data + conn->out.offset, precanned_key_packet,
226 sizeof(precanned_key_packet));
227 conn->out.offset += sizeof(precanned_key_packet);
228 MARK_END(conn->out);
229 mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
230 }
231
232 /* Horrible horrible certificate stuff. Work out later. */
233 uint8 precanned_cert_packet[] = {
234 0x80,0x00,0x00,0x00,0x12,0x02,0xb4,0x04,0x01,0x00,0x00,
235 0x00,0x00,0x00,0x01,0x02,0x9d,0xa3,0x7a,0x93,0x34,0x7b,0x28,0x37,0x24,0xa0,0x1f,
236 0x61,0x26,0xfd,0x96,0x3a,0x92,0x83,0xf3,0xe9,0x6a,0x2e,0x81,0x7c,0x2c,0xe4,0x72,//
237 0x01,0x18,0xe9,0xa1,0x0f,0x00,0x00,0x48,0x00,0x84,0x23,0x90,0xe6,0xd3,0xf8,0x20,
238 0xdb,0xa8,0x1b,0xb2,0xd0,0x78,0x2c,0x35,0xde,0xe3,0x0e,0x63,0x40,0xca,0xac,0x71,
239 0xc9,0x17,0x49,0x05,0x25,0xeb,0x9b,0xd0,0xa6,0x5c,0x90,0x3e,0x9d,0x4b,0x27,0x01,
240 0x79,0x1c,0x22,0xfb,0x3c,0x2c,0xb9,0x9f,0xf5,0x21,0xf3,0xee,0xd5,0x4d,0x47,0x1c,
241 0x85,0xbe,0x83,0x93,0xe8,0xed,0x8c,0x5c,0x82,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
242 0x00,0x01,0x00,0x10,0x04,0x30,0x82,0x04,0x0c,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,
243 0x0d,0x01,0x07,0x02,0xa0,0x82,0x03,0xfd,0x30,0x82,0x03,0xf9,0x02,0x01,0x01,0x31,
244 0x00,0x30,0x0b,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x07,0x01,0xa0,0x82,
245 0x03,0xe1,0x30,0x82,0x01,0x77,0x30,0x82,0x01,0x25,0xa0,0x03,0x02,0x01,0x02,0x02,
246 0x08,0x01,0xbf,0x06,0x84,0x9d,0xdb,0x2d,0xe0,0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,
247 0x86,0xf7,0x0d,0x01,0x01,0x01,0x05,0x00,0x30,0x38,0x31,0x36,0x30,0x11,0x06,0x03,
248 0x55,0x04,0x03,0x1e,0x0a,0x00,0x4e,0x00,0x54,0x00,0x54,0x00,0x53,0x00,0x45,0x30,
249 0x21,0x06,0x03,0x55,0x04,0x07,0x1e,0x1a,0x00,0x4d,0x00,0x69,0x00,0x63,0x00,0x72,
250 0x00,0x6f,0x00,0x73,0x00,0x6f,0x00,0x66,0x00,0x74,0x00,0x2e,0x00,0x63,0x00,0x6f,
251 0x00,0x6d,0x30,0x1e,0x17,0x0d,0x39,0x39,0x30,0x39,0x32,0x34,0x31,0x32,0x30,0x32,
252 0x30,0x34,0x5a,0x17,0x0d,0x34,0x39,0x30,0x39,0x32,0x34,0x31,0x32,0x30,0x32,0x30,
253 0x34,0x5a,0x30,0x38,0x31,0x36,0x30,0x11,0x06,0x03,0x55,0x04,0x03,0x1e,0x0a,0x00,
254 0x4e,0x00,0x54,0x00,0x54,0x00,0x53,0x00,0x45,0x30,0x21,0x06,0x03,0x55,0x04,0x07,
255 0x1e,0x1a,0x00,0x4d,0x00,0x69,0x00,0x63,0x00,0x72,0x00,0x6f,0x00,0x73,0x00,0x6f,
256 0x00,0x66,0x00,0x74,0x00,0x2e,0x00,0x63,0x00,0x6f,0x00,0x6d,0x30,0x5c,0x30,0x0d,
257 0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01,0x05,0x00,0x03,0x4b,0x00,
258 0x30,0x48,0x02,0x41,0x00,0x91,0xb2,0x16,0x1c,0xae,0x4f,0x7f,0x7c,0xaf,0x57,0x2b,
259 0x23,0x4c,0x0c,0x25,0x3c,0x4f,0x66,0x9d,0x25,0xc3,0x4f,0x29,0xee,0x8b,0xda,0x4e,
260 0x95,0xe7,0x3b,0xaa,0xc0,0xa7,0xba,0xaf,0x99,0x8c,0x47,0x24,0x8b,0x09,0x77,0xbc,
261 0x2c,0xf4,0xe7,0x1a,0x07,0x58,0x7b,0x11,0x37,0x2a,0xa8,0x90,0xc3,0x50,0x92,0x80,
262 0x15,0xc5,0xda,0x51,0x8b,0x02,0x03,0x01,0x00,0x01,0xa3,0x13,0x30,0x11,0x30,0x0f,
263 0x06,0x03,0x55,0x1d,0x13,0x04,0x08,0x30,0x06,0x01,0x01,0xff,0x02,0x01,0x00,0x30,
264 0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1d,0x05,0x00,0x03,0x41,0x00,0x14,0x04,0x67,
265 0x28,0xc8,0xd3,0x1f,0x13,0x14,0x2e,0x2c,0x93,0x09,0x25,0xbb,0xbe,0x86,0x6a,0xd3,
266 0x47,0x6f,0x44,0x16,0x7b,0x94,0x8c,0xb2,0xa2,0xd5,0xf7,0x4f,0xb1,0x8f,0x7f,0xde,
267 0x0b,0x88,0x34,0x4a,0x1d,0xdc,0xa1,0xfd,0x26,0xbd,0x43,0xbb,0x38,0xf1,0x87,0x34,
268 0xbb,0xe9,0x3b,0xfa,0x7f,0x1e,0xff,0xe1,0x10,0x7e,0xee,0x6e,0xd8,0x30,0x82,0x02,
269 0x62,0x30,0x82,0x02,0x10,0xa0,0x03,0x02,0x01,0x02,0x02,0x05,0x01,0x00,0x00,0x00,
270 0x01,0x30,0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1d,0x05,0x00,0x30,0x38,0x31,0x36,
271 0x30,0x11,0x06,0x03,0x55,0x04,0x03,0x1e,0x0a,0x00,0x4e,0x00,0x54,0x00,0x54,0x00,
272 0x53,0x00,0x45,0x30,0x21,0x06,0x03,0x55,0x04,0x07,0x1e,0x1a,0x00,0x4d,0x00,0x69,
273 0x00,0x63,0x00,0x72,0x00,0x6f,0x00,0x73,0x00,0x6f,0x00,0x66,0x00,0x74,0x00,0x2e,
274 0x00,0x63,0x00,0x6f,0x00,0x6d,0x30,0x1e,0x17,0x0d,0x39,0x39,0x30,0x39,0x32,0x34,
275 0x30,0x30,0x30,0x30,0x30,0x30,0x5a,0x17,0x0d,0x34,0x39,0x30,0x39,0x32,0x34,0x30,
276 0x30,0x30,0x30,0x30,0x30,0x5a,0x30,0x79,0x31,0x77,0x30,0x17,0x06,0x03,0x55,0x04,
277 0x03,0x1e,0x10,0x00,0x52,0x00,0x45,0x00,0x53,0x00,0x37,0x00,0x2d,0x00,0x4e,0x00,
278 0x45,0x00,0x57,0x30,0x17,0x06,0x03,0x55,0x04,0x07,0x1e,0x10,0x00,0x7a,0x00,0x32,
279 0x00,0x32,0x00,0x33,0x00,0x32,0x00,0x32,0x00,0x30,0x00,0x33,0x30,0x43,0x06,0x03,
280 0x55,0x04,0x05,0x1e,0x3c,0x00,0x31,0x00,0x42,0x00,0x63,0x00,0x4b,0x00,0x65,0x00,
281 0x57,0x00,0x50,0x00,0x6c,0x00,0x37,0x00,0x58,0x00,0x47,0x00,0x61,0x00,0x73,0x00,
282 0x38,0x00,0x4a,0x00,0x79,0x00,0x50,0x00,0x34,0x00,0x30,0x00,0x7a,0x00,0x49,0x00,
283 0x6d,0x00,0x6e,0x00,0x6f,0x00,0x51,0x00,0x5a,0x00,0x59,0x00,0x3d,0x00,0x0d,0x00,
284 0x0a,0x30,0x5c,0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01,
285 0x05,0x00,0x03,0x4b,0x00,0x30,0x48,0x02,0x41,0x00,0x91,0xb2,0x16,0x1c,0xae,0x4f,
286 0x7f,0x7c,0xaf,0x57,0x2b,0x23,0x4c,0x0c,0x25,0x3c,0x4f,0x66,0x9d,0x25,0xc3,0x4f,
287 0x29,0xee,0x8b,0xda,0x4e,0x95,0xe7,0x3b,0xaa,0xc0,0xa7,0xba,0xaf,0x99,0x8c,0x47,
288 0x24,0x8b,0x09,0x77,0xbc,0x2c,0xf4,0xe7,0x1a,0x07,0x58,0x7b,0x11,0x37,0x2a,0xa8,
289 0x90,0xc3,0x50,0x92,0x80,0x15,0xc5,0xda,0x51,0x8b,0x02,0x03,0x01,0x00,0x01,0xa3,
290 0x81,0xc3,0x30,0x81,0xc0,0x30,0x14,0x06,0x09,0x2b,0x06,0x01,0x04,0x01,0x82,0x37,
291 0x12,0x04,0x01,0x01,0xff,0x04,0x04,0x01,0x00,0x01,0x00,0x30,0x3c,0x06,0x09,0x2b,
292 0x06,0x01,0x04,0x01,0x82,0x37,0x12,0x02,0x01,0x01,0xff,0x04,0x2c,0x4d,0x00,0x69,
293 0x00,0x63,0x00,0x72,0x00,0x6f,0x00,0x73,0x00,0x6f,0x00,0x66,0x00,0x74,0x00,0x20,
294 0x00,0x43,0x00,0x6f,0x00,0x72,0x00,0x70,0x00,0x6f,0x00,0x72,0x00,0x61,0x00,0x74,
295 0x00,0x69,0x00,0x6f,0x00,0x6e,0x00,0x00,0x00,0x30,0x4c,0x06,0x09,0x2b,0x06,0x01,
296 0x04,0x01,0x82,0x37,0x12,0x05,0x01,0x01,0xff,0x04,0x3c,0x00,0x10,0x00,0x00,0x01,
297 0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x09,0x04,0x00,0x00,0x18,0x00,0x18,0x00,0x30,
298 0x00,0x01,0x00,0x32,0x00,0x33,0x00,0x36,0x00,0x2d,0x00,0x34,0x00,0x2e,0x00,0x30,
299 0x00,0x30,0x00,0x2d,0x00,0x45,0x00,0x58,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,
300 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x1c,0x06,0x03,0x55,0x1d,0x23,0x01,0x01,
301 0xff,0x04,0x12,0x30,0x10,0xa1,0x07,0x81,0x05,0x4e,0x54,0x54,0x53,0x45,0x82,0x05,
302 0x01,0x00,0x00,0x00,0x01,0x30,0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1d,0x05,0x00,
303 0x03,0x41,0x00,0x7b,0x1d,0xfd,0x24,0xea,0xf2,0xe8,0x17,0xdd,0x88,0x7e,0xfd,0xee,
304 0x28,0x61,0x7a,0x02,0xc3,0x73,0xcf,0x32,0x0f,0x7c,0x66,0x87,0x31,0xa7,0xbe,0x1b,
305 0x31,0xe2,0x20,0xa5,0x76,0x91,0x68,0x97,0x53,0x9e,0x80,0xcd,0x2b,0xd0,0x8e,0x8b,
306 0x7f,0x89,0x1b,0x62,0xa8,0xf8,0xee,0x5e,0x56,0xbd,0x9c,0x6b,0x80,0x06,0x54,0xd3,
307 0xf0,0xbf,0xb2,0x31,0x00,0x01,0x00,0x14,0x00,0xc7,0x32,0xf2,0x5b,0x98,0x0e,0x04,
308 0x49,0xa0,0x27,0x7e,0xf5,0xf6,0x0f,0xda,0x08,0x1d,0xe9,0x79,0xd1,0x31,0xc6,0x50,
309 0x90,0x4a,0xd3,0x1f,0x1d,0xf0,0x65,0x0d,0xb6,0x1f,0xaf,0xc9,0x1d
310 };
311
312 /* Send license certificate and related data to the server */
313 void rdp_send_cert(HCONN conn)
314 {
315 mcs_init_data(conn);
316 prs_io_uint8s(&conn->out, precanned_cert_packet, sizeof(precanned_cert_packet));
317 MARK_END(conn->out);
318 mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
319 }
320
321 /* Initialise RDP transport packet */
322 void rdp_init(HCONN conn)
323 {
324 mcs_init_data(conn);
325 PUSH_LAYER(conn->out, rdp_offset, 6);
326 }
327
328 /* Transmit RDP transport packet */
329 void rdp_send(HCONN conn, uint16 pdu_type)
330 {
331 RDP_HEADER hdr;
332 int length;
333
334 POP_LAYER(conn->out, rdp_offset);
335 length = conn->out.end - conn->out.offset;
336 rdp_make_header(&hdr, length, pdu_type, conn->mcs_userid);
337 rdp_io_header(&conn->out, &hdr);
338 mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
339 }
340
341 /* Initialise RDP transport data packet */
342 void rdp_init_data(HCONN conn)
343 {
344 mcs_init_data(conn);
345 PUSH_LAYER(conn->out, rdp_offset, 18);
346 }
347
348 /* Transmit RDP transport data packet */
349 void rdp_send_data(HCONN conn, uint16 data_pdu_type)
350 {
351 RDP_HEADER hdr;
352 RDP_DATA_HEADER datahdr;
353 int length = conn->out.end - conn->out.offset;
354
355 POP_LAYER(conn->out, rdp_offset);
356 length = conn->out.end - conn->out.offset;
357 rdp_make_header(&hdr, length, RDP_PDU_DATA, conn->mcs_userid);
358 rdp_io_header(&conn->out, &hdr);
359 rdp_make_data_header(&datahdr, 0x103ea, length, data_pdu_type);
360 rdp_io_data_header(&conn->out, &datahdr);
361 mcs_send_data(conn, MCS_GLOBAL_CHANNEL, True);
362 }
363
364 void rdp_send_confirm_active(HCONN conn)
365 {
366 RDP_ACTIVE_PDU active;
367
368 rdp_init(conn);
369 rdp_make_active_pdu(&active, 0x103ea, conn->mcs_userid);
370 rdp_io_active_pdu(&conn->out, &active, RDP_PDU_CONFIRM_ACTIVE);
371 MARK_END(conn->out);
372 rdp_send(conn, RDP_PDU_CONFIRM_ACTIVE);
373 }
374
375 void rdp_send_synchronize(HCONN conn)
376 {
377 RDP_SYNCHRONIZE_PDU sync;
378
379 rdp_init_data(conn);
380 rdp_make_synchronize_pdu(&sync, 1002);
381 rdp_io_synchronize_pdu(&conn->out, &sync);
382 MARK_END(conn->out);
383 rdp_send_data(conn, RDP_DATA_PDU_SYNCHRONIZE);
384 }
385
386 void rdp_send_control(HCONN conn, uint16 action)
387 {
388 RDP_CONTROL_PDU control;
389
390 rdp_init_data(conn);
391 rdp_make_control_pdu(&control, action);
392 rdp_io_control_pdu(&conn->out, &control);
393 MARK_END(conn->out);
394 rdp_send_data(conn, RDP_DATA_PDU_CONTROL);
395 }
396
397 void rdp_send_fonts(HCONN conn, uint16 seqno)
398 {
399 RDP_FONT_PDU fonts;
400
401 rdp_init_data(conn);
402 rdp_make_font_pdu(&fonts, seqno);
403 rdp_io_font_pdu(&conn->out, &fonts);
404 MARK_END(conn->out);
405 rdp_send_data(conn, RDP_DATA_PDU_FONT2);
406 }
407
408 void rdp_send_input(HCONN conn)
409 {
410 RDP_INPUT_PDU input;
411
412 rdp_init_data(conn);
413 rdp_make_input_pdu(&input);
414 rdp_io_input_pdu(&conn->out, &input);
415 MARK_END(conn->out);
416 rdp_send_data(conn, RDP_DATA_PDU_INPUT);
417 }
418
419 BOOL rdp_recv_pdu(HCONN conn, uint8 *type)
420 {
421 RDP_HEADER hdr;
422
423 if (!mcs_recv(conn, False) || !rdp_io_header(&conn->in, &hdr))
424 return False;
425
426 *type = hdr.pdu_type & 0xf;
427 return True;
428 }
429
430 /* Disconnect from the RDP layer */
431 void rdp_disconnect(HCONN conn)
432 {
433 mcs_disconnect(conn);
434 }
435
436 void rdp_make_header(RDP_HEADER *hdr, uint16 length, uint16 pdu_type,
437 uint16 userid)
438 {
439 hdr->length = length;
440 hdr->pdu_type = pdu_type | 0x10; /* Version 1 */
441 hdr->userid = userid + 1001;
442 }
443
444 void rdp_make_data_header(RDP_DATA_HEADER *hdr, uint32 shareid,
445 uint16 length, uint16 data_pdu_type)
446 {
447 hdr->shareid = shareid;
448 hdr->pad = 0;
449 hdr->streamid = 1;
450 hdr->length = length - 14;
451 hdr->data_pdu_type = data_pdu_type;
452 hdr->compress_type = 0;
453 hdr->compress_len = 0;
454 }
455
456 void rdp_make_general_caps(RDP_GENERAL_CAPS *caps)
457 {
458 caps->os_major_type = 1;
459 caps->os_minor_type = 3;
460 caps->ver_protocol = 0x200;
461 }
462
463 void rdp_make_bitmap_caps(RDP_BITMAP_CAPS *caps)
464 {
465 caps->preferred_bpp = 8;
466 caps->receive1bpp = 1;
467 caps->receive4bpp = 1;
468 caps->receive8bpp = 1;
469 caps->width = 640;
470 caps->height = 480;
471 caps->compression = 1;
472 caps->unknown2 = 1;
473 }
474
475 void rdp_make_order_caps(RDP_ORDER_CAPS *caps)
476 {
477 caps->xgranularity = 1;
478 caps->ygranularity = 20;
479 caps->max_order_level = 1;
480 caps->num_fonts = 0x147;
481 caps->cap_flags = 0x2A;
482
483 // caps->cap_flags = ORDER_CAP_NEGOTIATE | ORDER_CAP_NOSUPPORT;
484
485 caps->support[0] = caps->support[1] = caps->support[2]
486 = caps->support[3] = caps->support[4] = caps->support[5]
487 = caps->support[6] = caps->support[8] = caps->support[11]
488 = caps->support[12] = caps->support[22] = caps->support[28]
489 = caps->support[29] = caps->support[30] = 1;
490 caps->text_cap_flags = 0x6A1;
491 caps->desk_save_size = 0x38400;
492 caps->unknown2 = 0x4E4;
493 }
494
495 void rdp_make_bmpcache_caps(RDP_BMPCACHE_CAPS *caps)
496 {
497 caps->caches[0].entries = 0x258;
498 caps->caches[0].max_cell_size = 0x100;
499 caps->caches[1].entries = 0x12c;
500 caps->caches[1].max_cell_size = 0x400;
501 caps->caches[2].entries = 0x106;
502 caps->caches[2].max_cell_size = 0x1000;
503 }
504
505 void rdp_make_control_caps(RDP_CONTROL_CAPS *caps)
506 {
507 caps->control_interest = 2;
508 caps->detach_interest = 2;
509 }
510
511 void rdp_make_activate_caps(RDP_ACTIVATE_CAPS *caps)
512 {
513 }
514
515 void rdp_make_pointer_caps(RDP_POINTER_CAPS *caps)
516 {
517 caps->colour_pointer = 0;
518 caps->cache_size = 20;
519 }
520
521 void rdp_make_share_caps(RDP_SHARE_CAPS *caps, uint16 userid)
522 {
523 }
524
525 void rdp_make_colcache_caps(RDP_COLCACHE_CAPS *caps)
526 {
527 caps->cache_size = 6;
528 }
529
530 void rdp_make_active_pdu(RDP_ACTIVE_PDU *pdu, uint32 shareid, uint16 userid)
531 {
532 memset(pdu, 0, sizeof(*pdu));
533 pdu->shareid = shareid;
534 pdu->userid = 1002;
535 pdu->source_len = sizeof(RDP_SOURCE);
536 memcpy(pdu->source, RDP_SOURCE, sizeof(RDP_SOURCE));
537
538 pdu->caps_len = RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER
539 + RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + RDP_CAPLEN_ACTIVATE
540 + RDP_CAPLEN_CONTROL + RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE
541 + RDP_CAPLEN_UNKNOWN;
542 pdu->num_caps = 0xD;
543
544 rdp_make_general_caps (&pdu->general_caps );
545 rdp_make_bitmap_caps (&pdu->bitmap_caps );
546 rdp_make_order_caps (&pdu->order_caps );
547 rdp_make_bmpcache_caps(&pdu->bmpcache_caps);
548 rdp_make_control_caps (&pdu->control_caps );
549 rdp_make_activate_caps(&pdu->activate_caps);
550 rdp_make_pointer_caps (&pdu->pointer_caps );
551 rdp_make_share_caps (&pdu->share_caps, userid);
552 rdp_make_colcache_caps(&pdu->colcache_caps);
553 }
554
555 void rdp_make_control_pdu(RDP_CONTROL_PDU *pdu, uint16 action)
556 {
557 pdu->action = action;
558 pdu->userid = 0;
559 pdu->controlid = 0;
560 }
561
562 void rdp_make_synchronize_pdu(RDP_SYNCHRONIZE_PDU *pdu, uint16 userid)
563 {
564 pdu->type = 1;
565 pdu->userid = userid;
566 }
567
568 void rdp_make_font_pdu(RDP_FONT_PDU *pdu, uint16 seqno)
569 {
570 pdu->num_fonts = 0;
571 pdu->unknown1 = 0x3e;
572 pdu->unknown2 = seqno;
573 pdu->entry_size = RDP_FONT_INFO_SIZE;
574 }
575
576 void rdp_make_input_pdu(RDP_INPUT_PDU *pdu)
577 {
578 uint32 now = time(NULL);
579
580 pdu->num_events = 3;
581 pdu->pad = 0;
582
583 pdu->event[0].event_time = now;
584 pdu->event[0].message_type = RDP_INPUT_SYNCHRONIZE;
585 pdu->event[0].device_flags = 0;
586 pdu->event[0].mouse_x = 0;
587 pdu->event[0].mouse_y = 0;
588
589 pdu->event[1].event_time = now;
590 pdu->event[1].message_type = RDP_INPUT_UNKNOWN;
591 pdu->event[1].device_flags = 0x8000;
592 pdu->event[1].mouse_x = 15;
593 pdu->event[1].mouse_y = 0;
594
595 pdu->event[2].event_time = now;
596 pdu->event[2].message_type = RDP_INPUT_MOUSE;
597 pdu->event[2].device_flags = MOUSE_FLAG_MOVE;
598 pdu->event[2].mouse_x = 425;
599 pdu->event[2].mouse_y = 493;
600 }
601
602 BOOL rdp_io_header(STREAM s, RDP_HEADER *hdr)
603 {
604 BOOL res = True;
605
606 res = res ? lsb_io_uint16(s, &hdr->length ) : False;
607 res = res ? lsb_io_uint16(s, &hdr->pdu_type) : False;
608 res = res ? lsb_io_uint16(s, &hdr->userid ) : False;
609
610 return res;
611 }
612
613 BOOL rdp_io_data_header(STREAM s, RDP_DATA_HEADER *hdr)
614 {
615 BOOL res = True;
616
617 res = res ? lsb_io_uint32(s, &hdr->shareid ) : False;
618 res = res ? prs_io_uint8 (s, &hdr->pad ) : False;
619 res = res ? prs_io_uint8 (s, &hdr->streamid ) : False;
620 res = res ? lsb_io_uint16(s, &hdr->length ) : False;
621 res = res ? prs_io_uint8 (s, &hdr->data_pdu_type) : False;
622 res = res ? prs_io_uint8 (s, &hdr->compress_type) : False;
623 res = res ? lsb_io_uint16(s, &hdr->compress_len ) : False;
624
625 return res;
626 }
627
628 BOOL rdp_io_general_caps(STREAM s, RDP_GENERAL_CAPS *caps)
629 {
630 uint16 length = RDP_CAPLEN_GENERAL;
631 uint16 pkt_length = length;
632 BOOL res;
633
634 res = lsb_io_uint16(s, &pkt_length);
635 if (pkt_length != length)
636 {
637 fprintf(stderr, "Unrecognised capabilities size\n");
638 return False;
639 }
640
641 res = res ? lsb_io_uint16(s, &caps->os_major_type ) : False;
642 res = res ? lsb_io_uint16(s, &caps->os_minor_type ) : False;
643 res = res ? lsb_io_uint16(s, &caps->ver_protocol ) : False;
644 res = res ? lsb_io_uint16(s, &caps->pad1 ) : False;
645 res = res ? lsb_io_uint16(s, &caps->compress_types) : False;
646 res = res ? lsb_io_uint16(s, &caps->pad2 ) : False;
647 res = res ? lsb_io_uint16(s, &caps->cap_update ) : False;
648 res = res ? lsb_io_uint16(s, &caps->remote_unshare) : False;
649 res = res ? lsb_io_uint16(s, &caps->compress_level) : False;
650 res = res ? lsb_io_uint16(s, &caps->pad3 ) : False;
651
652 return res;
653 }
654
655 BOOL rdp_io_bitmap_caps(STREAM s, RDP_BITMAP_CAPS *caps)
656 {
657 uint16 length = RDP_CAPLEN_BITMAP;
658 uint16 pkt_length = length;
659 BOOL res;
660
661 res = lsb_io_uint16(s, &pkt_length);
662 if (pkt_length != length)
663 {
664 fprintf(stderr, "Unrecognised capabilities size\n");
665 return False;
666 }
667
668 res = res ? lsb_io_uint16(s, &caps->preferred_bpp) : False;
669 res = res ? lsb_io_uint16(s, &caps->receive1bpp ) : False;
670 res = res ? lsb_io_uint16(s, &caps->receive4bpp ) : False;
671 res = res ? lsb_io_uint16(s, &caps->receive8bpp ) : False;
672 res = res ? lsb_io_uint16(s, &caps->width ) : False;
673 res = res ? lsb_io_uint16(s, &caps->height ) : False;
674 res = res ? lsb_io_uint16(s, &caps->pad1 ) : False;
675 res = res ? lsb_io_uint16(s, &caps->allow_resize ) : False;
676 res = res ? lsb_io_uint16(s, &caps->compression ) : False;
677 res = res ? lsb_io_uint16(s, &caps->unknown1 ) : False;
678 res = res ? lsb_io_uint16(s, &caps->unknown2 ) : False;
679 res = res ? lsb_io_uint16(s, &caps->pad2 ) : False;
680
681 return res;
682 }
683
684 BOOL rdp_io_order_caps(STREAM s, RDP_ORDER_CAPS *caps)
685 {
686 uint16 length = RDP_CAPLEN_ORDER;
687 uint16 pkt_length = length;
688 BOOL res;
689
690 res = lsb_io_uint16(s, &pkt_length);
691 if (pkt_length != length)
692 {
693 fprintf(stderr, "Unrecognised capabilities size\n");
694 return False;
695 }
696
697 res = res ? prs_io_uint8s(s, caps->terminal_desc, 16) : False;
698 res = res ? lsb_io_uint32(s, &caps->pad1 ) : False;
699 res = res ? lsb_io_uint16(s, &caps->xgranularity ) : False;
700 res = res ? lsb_io_uint16(s, &caps->ygranularity ) : False;
701 res = res ? lsb_io_uint16(s, &caps->pad2 ) : False;
702 res = res ? lsb_io_uint16(s, &caps->max_order_level ) : False;
703 res = res ? lsb_io_uint16(s, &caps->num_fonts ) : False;
704 res = res ? lsb_io_uint16(s, &caps->cap_flags ) : False;
705 res = res ? prs_io_uint8s(s, caps->support , 32) : False;
706 res = res ? lsb_io_uint16(s, &caps->text_cap_flags ) : False;
707 res = res ? lsb_io_uint16(s, &caps->pad3 ) : False;
708 res = res ? lsb_io_uint32(s, &caps->pad4 ) : False;
709 res = res ? lsb_io_uint32(s, &caps->desk_save_size ) : False;
710 res = res ? lsb_io_uint32(s, &caps->unknown1 ) : False;
711 res = res ? lsb_io_uint32(s, &caps->unknown2 ) : False;
712
713 return res;
714 }
715
716 BOOL rdp_io_bmpcache_info(STREAM s, RDP_BMPCACHE_INFO *info)
717 {
718 if (!lsb_io_uint16(s, &info->entries ))
719 return False;
720
721 if (!lsb_io_uint16(s, &info->max_cell_size))
722 return False;
723
724 return True;
725 }
726
727 BOOL rdp_io_bmpcache_caps(STREAM s, RDP_BMPCACHE_CAPS *caps)
728 {
729 uint16 length = RDP_CAPLEN_BMPCACHE;
730 uint16 pkt_length = length;
731 BOOL res;
732 int i;
733
734 res = lsb_io_uint16(s, &pkt_length);
735 if (pkt_length != length)
736 {
737 fprintf(stderr, "Unrecognised capabilities size\n");
738 return False;
739 }
740
741 for (i = 0; i < 6; i++)
742 res = res ? lsb_io_uint32(s, &caps->unused[i]) : False;
743
744 for (i = 0; i < 3; i++)
745 res = res ? rdp_io_bmpcache_info(s, &caps->caches[i]) : False;
746
747 return res;
748 }
749
750 BOOL rdp_io_control_caps(STREAM s, RDP_CONTROL_CAPS *caps)
751 {
752 uint16 length = RDP_CAPLEN_CONTROL;
753 uint16 pkt_length = length;
754 BOOL res;
755
756 res = lsb_io_uint16(s, &pkt_length);
757 if (pkt_length != length)
758 {
759 fprintf(stderr, "Unrecognised capabilities size\n");
760 return False;
761 }
762
763 res = res ? lsb_io_uint16(s, &caps->control_caps ) : False;
764 res = res ? lsb_io_uint16(s, &caps->remote_detach ) : False;
765 res = res ? lsb_io_uint16(s, &caps->control_interest) : False;
766 res = res ? lsb_io_uint16(s, &caps->detach_interest ) : False;
767
768 return res;
769 }
770
771 BOOL rdp_io_activate_caps(STREAM s, RDP_ACTIVATE_CAPS *caps)
772 {
773 uint16 length = RDP_CAPLEN_ACTIVATE;
774 uint16 pkt_length = length;
775 BOOL res;
776
777 res = lsb_io_uint16(s, &pkt_length);
778 if (pkt_length != length)
779 {
780 fprintf(stderr, "Unrecognised capabilities size\n");
781 return False;
782 }
783
784 res = res ? lsb_io_uint16(s, &caps->help_key ) : False;
785 res = res ? lsb_io_uint16(s, &caps->help_index_key ) : False;
786 res = res ? lsb_io_uint16(s, &caps->help_extended_key) : False;
787 res = res ? lsb_io_uint16(s, &caps->window_activate ) : False;
788
789 return res;
790 }
791
792 BOOL rdp_io_pointer_caps(STREAM s, RDP_POINTER_CAPS *caps)
793 {
794 uint16 length = RDP_CAPLEN_POINTER;
795 uint16 pkt_length = length;
796 BOOL res;
797
798 res = lsb_io_uint16(s, &pkt_length);
799 if (pkt_length != length)
800 {
801 fprintf(stderr, "Unrecognised capabilities size\n");
802 return False;
803 }
804
805 res = res ? lsb_io_uint16(s, &caps->colour_pointer) : False;
806 res = res ? lsb_io_uint16(s, &caps->cache_size ) : False;
807
808 return res;
809 }
810
811 BOOL rdp_io_share_caps(STREAM s, RDP_SHARE_CAPS *caps)
812 {
813 uint16 length = RDP_CAPLEN_SHARE;
814 uint16 pkt_length = length;
815 BOOL res;
816
817 res = lsb_io_uint16(s, &pkt_length);
818 if (pkt_length != length)
819 {
820 fprintf(stderr, "Unrecognised capabilities size\n");
821 return False;
822 }
823
824 res = res ? lsb_io_uint16(s, &caps->userid) : False;
825 res = res ? lsb_io_uint16(s, &caps->pad ) : False;
826
827 return res;
828 }
829
830 BOOL rdp_io_colcache_caps(STREAM s, RDP_COLCACHE_CAPS *caps)
831 {
832 uint16 length = RDP_CAPLEN_COLCACHE;
833 uint16 pkt_length = length;
834 BOOL res;
835
836 res = lsb_io_uint16(s, &pkt_length);
837 if (pkt_length != length)
838 {
839 fprintf(stderr, "Unrecognised capabilities size\n");
840 return False;
841 }
842
843 res = res ? lsb_io_uint16(s, &caps->cache_size) : False;
844 res = res ? lsb_io_uint16(s, &caps->pad ) : False;
845
846 return res;
847 }
848
849 uint8 canned_caps[] = {
850 0x01,0x00,0x00,0x00,0x09,0x04,0x00,0x00,0x04,
851 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
852 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
853 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
854 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
855 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x08,0x00,0x01,
856 0x00,0x00,0x00,0x0E,0x00,0x08,0x00,0x01,0x00,0x00,0x00,0x10,0x00,0x34,0x00,0xFE,
857 0x00,0x04,0x00,0xFE,0x00,0x04,0x00,0xFE,0x00,0x08,0x00,0xFE,0x00,0x08,0x00,0xFE,
858 0x00,0x10,0x00,0xFE,0x00,0x20,0x00,0xFE,0x00,0x40,0x00,0xFE,0x00,0x80,0x00,0xFE,
859 0x00,0x00,0x01,0x40,0x00,0x00,0x08,0x00,0x01,0x00,0x01,0x02,0x00,0x00,0x00
860 };
861
862 BOOL rdp_io_unknown_caps(STREAM s, void *caps)
863 {
864 uint16 length = 0x58;
865 uint16 pkt_length = length;
866 BOOL res;
867
868 res = lsb_io_uint16(s, &pkt_length);
869 if (pkt_length != length)
870 {
871 fprintf(stderr, "Unrecognised capabilities size\n");
872 return False;
873 }
874
875 res = res ? prs_io_uint8s(s, canned_caps, RDP_CAPLEN_UNKNOWN-4) : False;
876
877 return res;
878 }
879
880 BOOL rdp_io_active_pdu(STREAM s, RDP_ACTIVE_PDU *pdu, int pdutype)
881 {
882 uint16 capset;
883 uint16 length;
884 BOOL res;
885 int i;
886
887 res = lsb_io_uint32(s, &pdu->shareid);
888
889 if (pdutype == RDP_PDU_CONFIRM_ACTIVE)
890 res = res ? lsb_io_uint16(s, &pdu->userid ) : False;
891
892 res = res ? lsb_io_uint16(s, &pdu->source_len) : False;
893 res = res ? lsb_io_uint16(s, &pdu->caps_len ) : False;
894
895 if (pdu->source_len > 48)
896 {
897 fprintf(stderr, "RDP source descriptor too long\n");
898 return False;
899 }
900
901 res = res ? prs_io_uint8s(s, pdu->source, pdu->source_len) : False;
902 res = res ? lsb_io_uint16(s, &pdu->num_caps ) : False;
903 res = res ? lsb_io_uint16(s, &pdu->pad ) : False;
904
905 if (s->marshall)
906 {
907 capset = RDP_CAPSET_GENERAL;
908 res = res ? lsb_io_uint16(s, &capset) : False;
909 res = res ? rdp_io_general_caps(s, &pdu->general_caps) : False;
910
911 capset = RDP_CAPSET_BITMAP;
912 res = res ? lsb_io_uint16(s, &capset) : False;
913 res = res ? rdp_io_bitmap_caps (s, &pdu->bitmap_caps ) : False;
914
915 capset = RDP_CAPSET_ORDER;
916 res = res ? lsb_io_uint16(s, &capset) : False;
917 res = res ? rdp_io_order_caps (s, &pdu->order_caps ) : False;
918
919 capset = RDP_CAPSET_BMPCACHE;
920 res = res ? lsb_io_uint16(s, &capset) : False;
921 res = res ? rdp_io_bmpcache_caps(s, &pdu->bmpcache_caps) : False;
922
923 capset = RDP_CAPSET_COLCACHE;
924 res = res ? lsb_io_uint16(s, &capset) : False;
925 res = res ? rdp_io_colcache_caps(s, &pdu->colcache_caps) : False;
926
927 capset = RDP_CAPSET_ACTIVATE;
928 res = res ? lsb_io_uint16(s, &capset) : False;
929 res = res ? rdp_io_activate_caps(s, &pdu->activate_caps) : False;
930
931 capset = RDP_CAPSET_CONTROL;
932 res = res ? lsb_io_uint16(s, &capset) : False;
933 res = res ? rdp_io_control_caps(s, &pdu->control_caps) : False;
934
935 capset = RDP_CAPSET_POINTER;
936 res = res ? lsb_io_uint16(s, &capset) : False;
937 res = res ? rdp_io_pointer_caps(s, &pdu->pointer_caps) : False;
938
939 capset = RDP_CAPSET_SHARE;
940 res = res ? lsb_io_uint16(s, &capset) : False;
941 res = res ? rdp_io_share_caps (s, &pdu->share_caps ) : False;
942
943 capset = RDP_CAPSET_UNKNOWN;
944 res = res ? lsb_io_uint16(s, &capset) : False;
945 res = res ? rdp_io_unknown_caps(s, NULL) : False;
946 }
947 else
948 {
949 for (i = 0; i < pdu->num_caps; i++)
950 {
951 if (!res)
952 return False;
953
954 if (!lsb_io_uint16(s, &capset))
955 return False;
956
957 switch (capset)
958 {
959 case RDP_CAPSET_GENERAL:
960 res = rdp_io_general_caps (s, &pdu->general_caps );
961 break;
962 case RDP_CAPSET_BITMAP:
963 res = rdp_io_bitmap_caps (s, &pdu->bitmap_caps );
964 break;
965 case RDP_CAPSET_ORDER:
966 res = rdp_io_order_caps (s, &pdu->order_caps );
967 break;
968 case RDP_CAPSET_BMPCACHE:
969 res = rdp_io_bmpcache_caps(s, &pdu->bmpcache_caps);
970 break;
971 case RDP_CAPSET_CONTROL:
972 res = rdp_io_control_caps (s, &pdu->control_caps );
973 break;
974 case RDP_CAPSET_ACTIVATE:
975 res = rdp_io_activate_caps(s, &pdu->activate_caps);
976 break;
977 case RDP_CAPSET_POINTER:
978 res = rdp_io_pointer_caps (s, &pdu->pointer_caps );
979 break;
980 case RDP_CAPSET_SHARE:
981 res = rdp_io_share_caps (s, &pdu->share_caps );
982 break;
983 case RDP_CAPSET_COLCACHE:
984 res = rdp_io_colcache_caps(s, &pdu->colcache_caps);
985 break;
986 default:
987 fprintf(stderr, "Warning: Unrecognised capset %x\n",
988 capset);
989
990 if (!lsb_io_uint16(s, &length))
991 return False;
992
993 s->offset += (length - 4);
994 }
995 }
996 }
997
998 return res;
999 }
1000
1001 BOOL rdp_io_control_pdu(STREAM s, RDP_CONTROL_PDU *pdu)
1002 {
1003 BOOL res = True;
1004
1005 res = res ? lsb_io_uint16(s, &pdu->action ) : False;
1006 res = res ? lsb_io_uint16(s, &pdu->userid ) : False;
1007 res = res ? lsb_io_uint32(s, &pdu->controlid) : False;
1008
1009 return res;
1010 }
1011
1012 BOOL rdp_io_synchronize_pdu(STREAM s, RDP_SYNCHRONIZE_PDU *pdu)
1013 {
1014 BOOL res = True;
1015
1016 res = res ? lsb_io_uint16(s, &pdu->type ) : False;
1017 res = res ? lsb_io_uint16(s, &pdu->userid) : False;
1018
1019 return res;
1020 }
1021
1022 BOOL rdp_io_input_event(STREAM s, RDP_INPUT_EVENT *evt)
1023 {
1024 BOOL res = True;
1025
1026 res = res ? lsb_io_uint32(s, &evt->event_time) : False;
1027 res = res ? lsb_io_uint16(s, &evt->message_type) : False;
1028
1029 if (!res)
1030 return False;
1031
1032 switch (evt->message_type)
1033 {
1034 case RDP_INPUT_CODEPOINT:
1035 case RDP_INPUT_VIRTKEY:
1036 res = res ? lsb_io_uint16(s, &evt->device_flags) : False;
1037 res = res ? lsb_io_uint16(s, &evt->kbd_keycode ) : False;
1038 break;
1039 case RDP_INPUT_SYNCHRONIZE:
1040 case RDP_INPUT_UNKNOWN:
1041 case RDP_INPUT_MOUSE:
1042 res = res ? lsb_io_uint16(s, &evt->device_flags) : False;
1043 res = res ? lsb_io_uint16(s, &evt->mouse_x ) : False;
1044 res = res ? lsb_io_uint16(s, &evt->mouse_y ) : False;
1045 break;
1046 default:
1047 fprintf(stderr, "Unknown input type %d\n", evt->message_type);
1048 return False;
1049 }
1050
1051 return res;
1052 }
1053
1054 BOOL rdp_io_input_pdu(STREAM s, RDP_INPUT_PDU *pdu)
1055 {
1056 BOOL res = True;
1057 int i;
1058
1059 res = res ? lsb_io_uint16(s, &pdu->num_events) : False;
1060 res = res ? lsb_io_uint16(s, &pdu->pad ) : False;
1061
1062 if (pdu->num_events > RDP_MAX_EVENTS)
1063 {
1064 fprintf(stderr, "Too many events in one PDU\n");
1065 return False;
1066 }
1067
1068 for (i = 0; i < pdu->num_events; i++)
1069 {
1070 res = res ? rdp_io_input_event(s, &pdu->event[i]) : False;
1071 }
1072
1073 return res;
1074 }
1075
1076 BOOL rdp_io_font_info(STREAM s, RDP_FONT_INFO *font)
1077 {
1078 BOOL res = True;
1079
1080 res = res ? prs_io_uint8s(s, font->name, 32 ) : False;
1081 res = res ? lsb_io_uint16(s, &font->flags ) : False;
1082 res = res ? lsb_io_uint16(s, &font->width ) : False;
1083 res = res ? lsb_io_uint16(s, &font->height ) : False;
1084 res = res ? lsb_io_uint16(s, &font->xaspect ) : False;
1085 res = res ? lsb_io_uint16(s, &font->yaspect ) : False;
1086 res = res ? lsb_io_uint32(s, &font->signature) : False;
1087 res = res ? lsb_io_uint16(s, &font->codepage ) : False;
1088 res = res ? lsb_io_uint16(s, &font->ascent ) : False;
1089
1090 return res;
1091 }
1092
1093 BOOL rdp_io_font_pdu(STREAM s, RDP_FONT_PDU *pdu)
1094 {
1095 BOOL res = True;
1096 int i;
1097
1098 res = res ? lsb_io_uint16(s, &pdu->num_fonts ) : False;
1099 res = res ? lsb_io_uint16(s, &pdu->unknown1 ) : False;
1100 res = res ? lsb_io_uint16(s, &pdu->unknown2 ) : False;
1101 res = res ? lsb_io_uint16(s, &pdu->entry_size) : False;
1102
1103 if (pdu->num_fonts > RDP_MAX_FONTS)
1104 {
1105 fprintf(stderr, "Too many fonts in one PDU\n");
1106 return False;
1107 }
1108
1109 for (i = 0; i < pdu->num_fonts; i++)
1110 {
1111 res = res ? rdp_io_font_info(s, &pdu->font[i]) : False;
1112 }
1113
1114 return res;
1115 }
1116
1117 BOOL rdp_io_update_pdu(STREAM s, RDP_UPDATE_PDU *pdu)
1118 {
1119 BOOL res = True;
1120
1121 res = res ? lsb_io_uint16(s, &pdu->update_type) : False;
1122 res = res ? lsb_io_uint16(s, &pdu->pad ) : False;
1123
1124 return res;
1125 }
1126
1127 BOOL rdp_io_secondary_order(STREAM s, RDP_SECONDARY_ORDER *rso)
1128 {
1129 BOOL res = True;
1130
1131 res = res ? lsb_io_uint16(s, &rso->length) : False;
1132 res = res ? lsb_io_uint16(s, &rso->flags ) : False;
1133 res = res ? prs_io_uint8 (s, &rso->type ) : False;
1134
1135 return res;
1136 }
1137
1138 BOOL rdp_io_bitmap_header(STREAM s, RDP_BITMAP_HEADER *rdh)
1139 {
1140 BOOL res = True;
1141
1142 res = res ? prs_io_uint8 (s, &rdh->cache_id ) : False;
1143 res = res ? prs_io_uint8 (s, &rdh->pad1 ) : False;
1144 res = res ? prs_io_uint8 (s, &rdh->width ) : False;
1145 res = res ? prs_io_uint8 (s, &rdh->height ) : False;
1146 res = res ? prs_io_uint8 (s, &rdh->bpp ) : False;
1147 res = res ? lsb_io_uint16(s, &rdh->bufsize ) : False;
1148 res = res ? lsb_io_uint16(s, &rdh->cache_idx ) : False;
1149 res = res ? lsb_io_uint16(s, &rdh->pad2 ) : False;
1150 res = res ? lsb_io_uint16(s, &rdh->size ) : False;
1151 res = res ? lsb_io_uint16(s, &rdh->row_size ) : False;
1152 res = res ? lsb_io_uint16(s, &rdh->final_size) : False;
1153
1154 return res;
1155 }
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