| 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 "rdesktop.h" |
| 22 |
|
| 23 |
extern uint16 mcs_userid; |
| 24 |
extern char username[16]; |
| 25 |
extern BOOL orders; |
| 26 |
|
| 27 |
unsigned char *next_packet; |
| 28 |
uint32 rdp_shareid; |
| 29 |
|
| 30 |
/* Initialise an RDP packet */ |
| 31 |
static STREAM rdp_init(int maxlen) |
| 32 |
{ |
| 33 |
STREAM s; |
| 34 |
|
| 35 |
s = sec_init(SEC_ENCRYPT, maxlen + 6); |
| 36 |
s_push_layer(s, rdp_hdr, 6); |
| 37 |
|
| 38 |
return s; |
| 39 |
} |
| 40 |
|
| 41 |
/* Send an RDP packet */ |
| 42 |
static void rdp_send(STREAM s, uint8 pdu_type) |
| 43 |
{ |
| 44 |
uint16 length; |
| 45 |
|
| 46 |
s_pop_layer(s, rdp_hdr); |
| 47 |
length = s->end - s->p; |
| 48 |
|
| 49 |
out_uint16_le(s, length); |
| 50 |
out_uint16_le(s, (pdu_type | 0x10)); /* Version 1 */ |
| 51 |
out_uint16_le(s, (mcs_userid + 1001)); |
| 52 |
|
| 53 |
sec_send(s, SEC_ENCRYPT); |
| 54 |
} |
| 55 |
|
| 56 |
/* Receive an RDP packet */ |
| 57 |
static STREAM rdp_recv(uint8 *type) |
| 58 |
{ |
| 59 |
static STREAM rdp_s; |
| 60 |
uint16 length, pdu_type; |
| 61 |
|
| 62 |
if ((rdp_s == NULL) || (next_packet >= rdp_s->end)) |
| 63 |
{ |
| 64 |
rdp_s = sec_recv(); |
| 65 |
if (rdp_s == NULL) |
| 66 |
return NULL; |
| 67 |
|
| 68 |
next_packet = rdp_s->p; |
| 69 |
} |
| 70 |
else |
| 71 |
{ |
| 72 |
rdp_s->p = next_packet; |
| 73 |
} |
| 74 |
|
| 75 |
in_uint16_le(rdp_s, length); |
| 76 |
in_uint16_le(rdp_s, pdu_type); |
| 77 |
in_uint8s(rdp_s, 2); /* userid */ |
| 78 |
|
| 79 |
next_packet += length; |
| 80 |
*type = pdu_type & 0xf; |
| 81 |
|
| 82 |
#if RDP_DEBUG |
| 83 |
DEBUG("RDP packet (type %x):\n", *type); |
| 84 |
hexdump(rdp_s->p, length); |
| 85 |
#endif |
| 86 |
|
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return rdp_s; |
| 88 |
} |
| 89 |
|
| 90 |
/* Initialise an RDP data packet */ |
| 91 |
static STREAM rdp_init_data(int maxlen) |
| 92 |
{ |
| 93 |
STREAM s; |
| 94 |
|
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s = sec_init(SEC_ENCRYPT, maxlen + 18); |
| 96 |
s_push_layer(s, rdp_hdr, 18); |
| 97 |
|
| 98 |
return s; |
| 99 |
} |
| 100 |
|
| 101 |
/* Send an RDP data packet */ |
| 102 |
static void rdp_send_data(STREAM s, uint8 data_pdu_type) |
| 103 |
{ |
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uint16 length; |
| 105 |
|
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s_pop_layer(s, rdp_hdr); |
| 107 |
length = s->end - s->p; |
| 108 |
|
| 109 |
out_uint16_le(s, length); |
| 110 |
out_uint16_le(s, (RDP_PDU_DATA | 0x10)); |
| 111 |
out_uint16_le(s, (mcs_userid + 1001)); |
| 112 |
|
| 113 |
out_uint32_le(s, rdp_shareid); |
| 114 |
out_uint8(s, 0); /* pad */ |
| 115 |
out_uint8(s, 1); /* streamid */ |
| 116 |
out_uint16(s, (length - 14)); |
| 117 |
out_uint8(s, data_pdu_type); |
| 118 |
out_uint8(s, 0); /* compress_type */ |
| 119 |
out_uint16(s, 0); /* compress_len */ |
| 120 |
|
| 121 |
sec_send(s, SEC_ENCRYPT); |
| 122 |
} |
| 123 |
|
| 124 |
/* Output a string in Unicode */ |
| 125 |
void rdp_out_unistr(STREAM s, char *string, int len) |
| 126 |
{ |
| 127 |
int i = 0, j = 0; |
| 128 |
|
| 129 |
len += 2; |
| 130 |
|
| 131 |
while (i < len) |
| 132 |
{ |
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s->p[i++] = string[j++]; |
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s->p[i++] = 0; |
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} |
| 136 |
|
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s->p += len; |
| 138 |
} |
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|
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/* Parse a logon info packet */ |
| 141 |
static void rdp_send_logon_info(uint32 flags, char *domain, char *user, |
| 142 |
char *password, char *program, |
| 143 |
char *directory) |
| 144 |
{ |
| 145 |
int len_domain = 2 * strlen(domain); |
| 146 |
int len_user = 2 * strlen(user); |
| 147 |
int len_password = 2 * strlen(password); |
| 148 |
int len_program = 2 * strlen(program); |
| 149 |
int len_directory = 2 * strlen(directory); |
| 150 |
uint32 sec_flags = SEC_LOGON_INFO | SEC_ENCRYPT; |
| 151 |
STREAM s; |
| 152 |
|
| 153 |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
| 154 |
+ len_program + len_directory + 10); |
| 155 |
|
| 156 |
out_uint32(s, 0); |
| 157 |
out_uint32_le(s, flags); |
| 158 |
out_uint16_le(s, len_domain); |
| 159 |
out_uint16_le(s, len_user); |
| 160 |
out_uint16_le(s, len_password); |
| 161 |
out_uint16_le(s, len_program); |
| 162 |
out_uint16_le(s, len_directory); |
| 163 |
rdp_out_unistr(s, domain, len_domain); |
| 164 |
rdp_out_unistr(s, user, len_user); |
| 165 |
rdp_out_unistr(s, password, len_password); |
| 166 |
rdp_out_unistr(s, program, len_program); |
| 167 |
rdp_out_unistr(s, directory, len_directory); |
| 168 |
|
| 169 |
s_mark_end(s); |
| 170 |
sec_send(s, sec_flags); |
| 171 |
} |
| 172 |
|
| 173 |
/* Send a control PDU */ |
| 174 |
static void rdp_send_control(uint16 action) |
| 175 |
{ |
| 176 |
STREAM s; |
| 177 |
|
| 178 |
s = rdp_init_data(8); |
| 179 |
|
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out_uint16_le(s, action); |
| 181 |
out_uint16(s, 0); /* userid */ |
| 182 |
out_uint32(s, 0); /* control id */ |
| 183 |
|
| 184 |
s_mark_end(s); |
| 185 |
rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
| 186 |
} |
| 187 |
|
| 188 |
/* Send a synchronisation PDU */ |
| 189 |
static void rdp_send_synchronise() |
| 190 |
{ |
| 191 |
STREAM s; |
| 192 |
|
| 193 |
s = rdp_init_data(4); |
| 194 |
|
| 195 |
out_uint16_le(s, 1); /* type */ |
| 196 |
out_uint16_le(s, 1002); |
| 197 |
|
| 198 |
s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
| 200 |
} |
| 201 |
|
| 202 |
/* Send a single input event */ |
| 203 |
void rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, |
| 204 |
uint16 param1, uint16 param2) |
| 205 |
{ |
| 206 |
STREAM s; |
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|
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s = rdp_init_data(16); |
| 209 |
|
| 210 |
out_uint16_le(s, 1); /* number of events */ |
| 211 |
out_uint16(s, 0); /* pad */ |
| 212 |
|
| 213 |
out_uint32_le(s, time); |
| 214 |
out_uint16_le(s, message_type); |
| 215 |
out_uint16_le(s, device_flags); |
| 216 |
out_uint16_le(s, param1); |
| 217 |
out_uint16_le(s, param2); |
| 218 |
|
| 219 |
s_mark_end(s); |
| 220 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
| 221 |
} |
| 222 |
|
| 223 |
/* Send an (empty) font information PDU */ |
| 224 |
static void rdp_send_fonts(uint16 seq) |
| 225 |
{ |
| 226 |
STREAM s; |
| 227 |
|
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s = rdp_init_data(8); |
| 229 |
|
| 230 |
out_uint16(s, 0); /* number of fonts */ |
| 231 |
out_uint16_le(s, 0x3e); /* unknown */ |
| 232 |
out_uint16_le(s, seq); /* unknown */ |
| 233 |
out_uint16_le(s, 0x32); /* entry size */ |
| 234 |
|
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s_mark_end(s); |
| 236 |
rdp_send_data(s, RDP_DATA_PDU_FONT2); |
| 237 |
} |
| 238 |
|
| 239 |
/* Output general capability set */ |
| 240 |
static void rdp_out_general_caps(STREAM s) |
| 241 |
{ |
| 242 |
out_uint16_le(s, RDP_CAPSET_GENERAL); |
| 243 |
out_uint16_le(s, RDP_CAPLEN_GENERAL); |
| 244 |
|
| 245 |
out_uint16_le(s, 1); /* OS major type */ |
| 246 |
out_uint16_le(s, 3); /* OS minor type */ |
| 247 |
out_uint16_le(s, 0x200); /* Protocol version */ |
| 248 |
out_uint16(s, 0); /* Pad */ |
| 249 |
out_uint16(s, 0); /* Compression types */ |
| 250 |
out_uint16(s, 0); /* Pad */ |
| 251 |
out_uint16(s, 0); /* Update capability */ |
| 252 |
out_uint16(s, 0); /* Remote unshare capability */ |
| 253 |
out_uint16(s, 0); /* Compression level */ |
| 254 |
out_uint16(s, 0); /* Pad */ |
| 255 |
} |
| 256 |
|
| 257 |
/* Output bitmap capability set */ |
| 258 |
static void rdp_out_bitmap_caps(STREAM s) |
| 259 |
{ |
| 260 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
| 261 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
| 262 |
|
| 263 |
out_uint16_le(s, 8); /* Preferred BPP */ |
| 264 |
out_uint16(s, 1); /* Receive 1 BPP */ |
| 265 |
out_uint16(s, 1); /* Receive 4 BPP */ |
| 266 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
| 267 |
out_uint16_le(s, 800); /* Desktop width */ |
| 268 |
out_uint16_le(s, 600); /* Desktop height */ |
| 269 |
out_uint16(s, 0); /* Pad */ |
| 270 |
out_uint16(s, 0); /* Allow resize */ |
| 271 |
out_uint16_le(s, 1); /* Support compression */ |
| 272 |
out_uint16(s, 0); /* Unknown */ |
| 273 |
out_uint16_le(s, 1); /* Unknown */ |
| 274 |
out_uint16(s, 0); /* Pad */ |
| 275 |
} |
| 276 |
|
| 277 |
/* Output order capability set */ |
| 278 |
static void rdp_out_order_caps(STREAM s) |
| 279 |
{ |
| 280 |
uint8 order_caps[32]; |
| 281 |
|
| 282 |
memset(order_caps, orders, 32); |
| 283 |
|
| 284 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
| 285 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
| 286 |
|
| 287 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
| 288 |
out_uint16_le(s, 1); /* Cache X granularity */ |
| 289 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
| 290 |
out_uint16(s, 0); /* Pad */ |
| 291 |
out_uint16_le(s, 1); /* Max order level */ |
| 292 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
| 293 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
| 294 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
| 295 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
| 296 |
out_uint8s(s, 6); /* Pad */ |
| 297 |
out_uint32(s, 0x38400); /* Desktop cache size */ |
| 298 |
out_uint32(s, 0); /* Unknown */ |
| 299 |
out_uint32(s, 0x4e4); /* Unknown */ |
| 300 |
} |
| 301 |
|
| 302 |
/* Output bitmap cache capability set */ |
| 303 |
static void rdp_out_bmpcache_caps(STREAM s) |
| 304 |
{ |
| 305 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
| 306 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
| 307 |
|
| 308 |
out_uint8s(s, 24); /* unused */ |
| 309 |
out_uint16_le(s, 0x258); /* entries */ |
| 310 |
out_uint16_le(s, 0x100); /* max cell size */ |
| 311 |
out_uint16_le(s, 0x12c); /* entries */ |
| 312 |
out_uint16_le(s, 0x400); /* max cell size */ |
| 313 |
out_uint16_le(s, 0x106); /* entries */ |
| 314 |
out_uint16_le(s, 0x1000); /* max cell size */ |
| 315 |
} |
| 316 |
|
| 317 |
/* Output control capability set */ |
| 318 |
static void rdp_out_control_caps(STREAM s) |
| 319 |
{ |
| 320 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
| 321 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
| 322 |
|
| 323 |
out_uint16(s, 0); /* Control capabilities */ |
| 324 |
out_uint16(s, 0); /* Remote detach */ |
| 325 |
out_uint16_le(s, 2); /* Control interest */ |
| 326 |
out_uint16_le(s, 2); /* Detach interest */ |
| 327 |
} |
| 328 |
|
| 329 |
/* Output activation capability set */ |
| 330 |
static void rdp_out_activate_caps(STREAM s) |
| 331 |
{ |
| 332 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
| 333 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
| 334 |
|
| 335 |
out_uint16(s, 0); /* Help key */ |
| 336 |
out_uint16(s, 0); /* Help index key */ |
| 337 |
out_uint16(s, 0); /* Extended help key */ |
| 338 |
out_uint16(s, 0); /* Window activate */ |
| 339 |
} |
| 340 |
|
| 341 |
/* Output pointer capability set */ |
| 342 |
static void rdp_out_pointer_caps(STREAM s) |
| 343 |
{ |
| 344 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
| 345 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
| 346 |
|
| 347 |
out_uint16(s, 0); /* Colour pointer */ |
| 348 |
out_uint16_le(s, 20); /* Cache size */ |
| 349 |
} |
| 350 |
|
| 351 |
/* Output share capability set */ |
| 352 |
static void rdp_out_share_caps(STREAM s) |
| 353 |
{ |
| 354 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
| 355 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
| 356 |
|
| 357 |
out_uint16(s, 0); /* userid */ |
| 358 |
out_uint16(s, 0); /* pad */ |
| 359 |
} |
| 360 |
|
| 361 |
/* Output colour cache capability set */ |
| 362 |
static void rdp_out_colcache_caps(STREAM s) |
| 363 |
{ |
| 364 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
| 365 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
| 366 |
|
| 367 |
out_uint16_le(s, 6); /* cache size */ |
| 368 |
out_uint16(s, 0); /* pad */ |
| 369 |
} |
| 370 |
|
| 371 |
static uint8 canned_caps[] = { |
| 372 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x04, |
| 373 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, |
| 374 |
0x00, 0x00, 0x00, 0x00, 0x00, |
| 375 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 376 |
0x00, 0x00, 0x00, 0x00, 0x00, |
| 377 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 378 |
0x00, 0x00, 0x00, 0x00, 0x00, |
| 379 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 380 |
0x00, 0x00, 0x00, 0x00, 0x00, |
| 381 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 382 |
0x0C, 0x00, 0x08, 0x00, 0x01, |
| 383 |
0x00, 0x00, 0x00, 0x0E, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 384 |
0x10, 0x00, 0x34, 0x00, 0xFE, |
| 385 |
0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x08, 0x00, |
| 386 |
0xFE, 0x00, 0x08, 0x00, 0xFE, |
| 387 |
0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, 0xFE, 0x00, 0x40, 0x00, |
| 388 |
0xFE, 0x00, 0x80, 0x00, 0xFE, |
| 389 |
0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x01, |
| 390 |
0x02, 0x00, 0x00, 0x00 |
| 391 |
}; |
| 392 |
|
| 393 |
/* Output unknown capability set */ |
| 394 |
static void rdp_out_unknown_caps(STREAM s) |
| 395 |
{ |
| 396 |
out_uint16_le(s, RDP_CAPSET_UNKNOWN); |
| 397 |
out_uint16_le(s, 0x58); |
| 398 |
|
| 399 |
out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN - 4); |
| 400 |
} |
| 401 |
|
| 402 |
/* Send a confirm active PDU */ |
| 403 |
static void rdp_send_confirm_active() |
| 404 |
{ |
| 405 |
STREAM s; |
| 406 |
uint16 caplen = |
| 407 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
| 408 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
| 409 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
| 410 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN; |
| 411 |
|
| 412 |
s = rdp_init(14 + caplen + sizeof(RDP_SOURCE)); |
| 413 |
|
| 414 |
out_uint32_le(s, rdp_shareid); |
| 415 |
out_uint16_le(s, 0x3ea); /* userid */ |
| 416 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
| 417 |
out_uint16_le(s, caplen); |
| 418 |
|
| 419 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
| 420 |
out_uint16_le(s, 0xd); /* num_caps */ |
| 421 |
out_uint8s(s, 2); /* pad */ |
| 422 |
|
| 423 |
rdp_out_general_caps(s); |
| 424 |
rdp_out_bitmap_caps(s); |
| 425 |
rdp_out_order_caps(s); |
| 426 |
rdp_out_bmpcache_caps(s); |
| 427 |
rdp_out_colcache_caps(s); |
| 428 |
rdp_out_activate_caps(s); |
| 429 |
rdp_out_control_caps(s); |
| 430 |
rdp_out_pointer_caps(s); |
| 431 |
rdp_out_share_caps(s); |
| 432 |
rdp_out_unknown_caps(s); |
| 433 |
|
| 434 |
s_mark_end(s); |
| 435 |
rdp_send(s, RDP_PDU_CONFIRM_ACTIVE); |
| 436 |
} |
| 437 |
|
| 438 |
/* Respond to a demand active PDU */ |
| 439 |
static void process_demand_active(STREAM s) |
| 440 |
{ |
| 441 |
uint8 type; |
| 442 |
|
| 443 |
in_uint32_le(s, rdp_shareid); |
| 444 |
|
| 445 |
DEBUG("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid); |
| 446 |
|
| 447 |
rdp_send_confirm_active(); |
| 448 |
rdp_send_synchronise(); |
| 449 |
rdp_send_control(RDP_CTL_COOPERATE); |
| 450 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
| 451 |
rdp_recv(&type); // RDP_PDU_SYNCHRONIZE |
| 452 |
rdp_recv(&type); // RDP_CTL_COOPERATE |
| 453 |
rdp_recv(&type); // RDP_CTL_GRANT_CONTROL |
| 454 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); |
| 455 |
rdp_send_fonts(1); |
| 456 |
rdp_send_fonts(2); |
| 457 |
rdp_recv(&type); // RDP_PDU_UNKNOWN 0x28 |
| 458 |
reset_order_state(); |
| 459 |
} |
| 460 |
|
| 461 |
/* Process a pointer PDU */ |
| 462 |
static void process_pointer_pdu(STREAM s) |
| 463 |
{ |
| 464 |
uint16 message_type; |
| 465 |
uint16 x, y; |
| 466 |
|
| 467 |
in_uint16_le(s, message_type); |
| 468 |
in_uint8s(s, 2); /* pad */ |
| 469 |
|
| 470 |
switch (message_type) |
| 471 |
{ |
| 472 |
case RDP_POINTER_MOVE: |
| 473 |
in_uint16_le(s, x); |
| 474 |
in_uint16_le(s, y); |
| 475 |
if (s_check(s)) |
| 476 |
ui_move_pointer(x, y); |
| 477 |
break; |
| 478 |
|
| 479 |
default: |
| 480 |
DEBUG("Pointer message 0x%x\n", message_type); |
| 481 |
} |
| 482 |
} |
| 483 |
|
| 484 |
/* Process bitmap updates */ |
| 485 |
static void process_bitmap_updates(STREAM s) |
| 486 |
{ |
| 487 |
uint16 num_updates; |
| 488 |
uint16 left, top, right, bottom, width, height; |
| 489 |
uint16 cx, cy, bpp, compress, bufsize, size; |
| 490 |
uint8 *data, *rawdata; |
| 491 |
int i; |
| 492 |
|
| 493 |
in_uint16_le(s, num_updates); |
| 494 |
|
| 495 |
for (i = 0; i < num_updates; i++) |
| 496 |
{ |
| 497 |
in_uint16_le(s, left); |
| 498 |
in_uint16_le(s, top); |
| 499 |
in_uint16_le(s, right); |
| 500 |
in_uint16_le(s, bottom); |
| 501 |
in_uint16_le(s, width); |
| 502 |
in_uint16_le(s, height); |
| 503 |
in_uint16_le(s, bpp); |
| 504 |
in_uint16_le(s, compress); |
| 505 |
in_uint16_le(s, bufsize); |
| 506 |
|
| 507 |
cx = right - left + 1; |
| 508 |
cy = bottom - top + 1; |
| 509 |
|
| 510 |
DEBUG("UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,cmp=%d)\n", |
| 511 |
left, top, right, bottom, width, height, compress); |
| 512 |
|
| 513 |
if (!compress) |
| 514 |
{ |
| 515 |
in_uint8p(s, data, bufsize); |
| 516 |
ui_paint_bitmap(left, top, cx, cy, width, height, |
| 517 |
data); |
| 518 |
return; |
| 519 |
} |
| 520 |
|
| 521 |
in_uint8s(s, 2); /* pad */ |
| 522 |
in_uint16_le(s, size); |
| 523 |
in_uint8s(s, 4); /* line_size, final_size */ |
| 524 |
in_uint8p(s, data, size); |
| 525 |
|
| 526 |
rawdata = xmalloc(width * height); |
| 527 |
if (bitmap_decompress(rawdata, width, height, data, size)) |
| 528 |
{ |
| 529 |
ui_paint_bitmap(left, top, cx, cy, width, height, |
| 530 |
rawdata); |
| 531 |
} |
| 532 |
|
| 533 |
xfree(rawdata); |
| 534 |
} |
| 535 |
} |
| 536 |
|
| 537 |
/* Process a palette update */ |
| 538 |
static void process_palette(STREAM s) |
| 539 |
{ |
| 540 |
HCOLOURMAP hmap; |
| 541 |
COLOURMAP map; |
| 542 |
|
| 543 |
in_uint8s(s, 2); /* pad */ |
| 544 |
in_uint16_le(s, map.ncolours); |
| 545 |
in_uint8s(s, 2); /* pad */ |
| 546 |
in_uint8p(s, (uint8 *) map.colours, (map.ncolours * 3)); |
| 547 |
|
| 548 |
hmap = ui_create_colourmap(&map); |
| 549 |
ui_set_colourmap(hmap); |
| 550 |
} |
| 551 |
|
| 552 |
/* Process an update PDU */ |
| 553 |
static void process_update_pdu(STREAM s) |
| 554 |
{ |
| 555 |
uint16 update_type; |
| 556 |
|
| 557 |
in_uint16_le(s, update_type); |
| 558 |
|
| 559 |
switch (update_type) |
| 560 |
{ |
| 561 |
case RDP_UPDATE_ORDERS: |
| 562 |
process_orders(s); |
| 563 |
break; |
| 564 |
|
| 565 |
case RDP_UPDATE_BITMAP: |
| 566 |
process_bitmap_updates(s); |
| 567 |
break; |
| 568 |
|
| 569 |
case RDP_UPDATE_PALETTE: |
| 570 |
process_palette(s); |
| 571 |
break; |
| 572 |
|
| 573 |
case RDP_UPDATE_SYNCHRONIZE: |
| 574 |
break; |
| 575 |
|
| 576 |
default: |
| 577 |
NOTIMP("update %d\n", update_type); |
| 578 |
} |
| 579 |
|
| 580 |
} |
| 581 |
|
| 582 |
/* Process data PDU */ |
| 583 |
static void process_data_pdu(STREAM s) |
| 584 |
{ |
| 585 |
uint8 data_pdu_type; |
| 586 |
|
| 587 |
in_uint8s(s, 8); /* shareid, pad, streamid, length */ |
| 588 |
in_uint8(s, data_pdu_type); |
| 589 |
in_uint8s(s, 3); /* compress_type, compress_len */ |
| 590 |
|
| 591 |
switch (data_pdu_type) |
| 592 |
{ |
| 593 |
case RDP_DATA_PDU_UPDATE: |
| 594 |
process_update_pdu(s); |
| 595 |
break; |
| 596 |
|
| 597 |
case RDP_DATA_PDU_POINTER: |
| 598 |
process_pointer_pdu(s); |
| 599 |
break; |
| 600 |
|
| 601 |
case RDP_DATA_PDU_BELL: |
| 602 |
ui_bell(); |
| 603 |
break; |
| 604 |
|
| 605 |
case RDP_DATA_PDU_LOGON: |
| 606 |
/* User logged on */ |
| 607 |
break; |
| 608 |
|
| 609 |
default: |
| 610 |
NOTIMP("data PDU %d\n", data_pdu_type); |
| 611 |
} |
| 612 |
} |
| 613 |
|
| 614 |
/* Process incoming packets */ |
| 615 |
void rdp_main_loop() |
| 616 |
{ |
| 617 |
uint8 type; |
| 618 |
STREAM s; |
| 619 |
|
| 620 |
while ((s = rdp_recv(&type)) != NULL) |
| 621 |
{ |
| 622 |
switch (type) |
| 623 |
{ |
| 624 |
case RDP_PDU_DEMAND_ACTIVE: |
| 625 |
process_demand_active(s); |
| 626 |
break; |
| 627 |
|
| 628 |
case RDP_PDU_DEACTIVATE: |
| 629 |
break; |
| 630 |
|
| 631 |
case RDP_PDU_DATA: |
| 632 |
process_data_pdu(s); |
| 633 |
break; |
| 634 |
|
| 635 |
default: |
| 636 |
NOTIMP("PDU %d\n", type); |
| 637 |
} |
| 638 |
} |
| 639 |
} |
| 640 |
|
| 641 |
/* Establish a connection up to the RDP layer */ |
| 642 |
BOOL rdp_connect(char *server, uint32 flags, char *domain, char *password, |
| 643 |
char *command, char *directory) |
| 644 |
{ |
| 645 |
if (!sec_connect(server)) |
| 646 |
return False; |
| 647 |
|
| 648 |
rdp_send_logon_info(flags, domain, username, password, |
| 649 |
command, directory); |
| 650 |
return True; |
| 651 |
} |
| 652 |
|
| 653 |
/* Disconnect from the RDP layer */ |
| 654 |
void rdp_disconnect() |
| 655 |
{ |
| 656 |
sec_disconnect(); |
| 657 |
} |
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