| 1 |
/* -*- c-basic-offset: 8 -*- |
| 2 |
rdesktop: A Remote Desktop Protocol client. |
| 3 |
Protocol services - RDP layer |
| 4 |
Copyright (C) Matthew Chapman 1999-2007 |
| 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 <time.h> |
| 22 |
#ifndef _WIN32 |
| 23 |
#include <errno.h> |
| 24 |
#include <unistd.h> |
| 25 |
#endif |
| 26 |
#include "rdesktop.h" |
| 27 |
|
| 28 |
#ifdef HAVE_ICONV |
| 29 |
#ifdef HAVE_ICONV_H |
| 30 |
#include <iconv.h> |
| 31 |
#endif |
| 32 |
|
| 33 |
#ifndef ICONV_CONST |
| 34 |
#define ICONV_CONST "" |
| 35 |
#endif |
| 36 |
#endif |
| 37 |
|
| 38 |
extern uint16 g_mcs_userid; |
| 39 |
extern char g_username[64]; |
| 40 |
extern char g_codepage[16]; |
| 41 |
extern RD_BOOL g_bitmap_compression; |
| 42 |
extern RD_BOOL g_orders; |
| 43 |
extern RD_BOOL g_encryption; |
| 44 |
extern RD_BOOL g_desktop_save; |
| 45 |
extern RD_BOOL g_polygon_ellipse_orders; |
| 46 |
extern RD_BOOL g_use_rdp5; |
| 47 |
extern uint16 g_server_rdp_version; |
| 48 |
extern uint32 g_rdp5_performanceflags; |
| 49 |
extern int g_server_depth; |
| 50 |
extern int g_width; |
| 51 |
extern int g_height; |
| 52 |
extern RD_BOOL g_bitmap_cache; |
| 53 |
extern RD_BOOL g_bitmap_cache_persist_enable; |
| 54 |
extern RD_BOOL g_numlock_sync; |
| 55 |
|
| 56 |
uint8 *g_next_packet; |
| 57 |
uint32 g_rdp_shareid; |
| 58 |
|
| 59 |
extern RDPCOMP g_mppc_dict; |
| 60 |
|
| 61 |
/* Session Directory support */ |
| 62 |
extern RD_BOOL g_redirect; |
| 63 |
extern char g_redirect_server[64]; |
| 64 |
extern char g_redirect_domain[16]; |
| 65 |
extern char g_redirect_password[64]; |
| 66 |
extern char g_redirect_username[64]; |
| 67 |
extern char g_redirect_cookie[128]; |
| 68 |
extern uint32 g_redirect_flags; |
| 69 |
/* END Session Directory support */ |
| 70 |
|
| 71 |
#if WITH_DEBUG |
| 72 |
static uint32 g_packetno; |
| 73 |
#endif |
| 74 |
|
| 75 |
#ifdef HAVE_ICONV |
| 76 |
static RD_BOOL g_iconv_works = True; |
| 77 |
#endif |
| 78 |
|
| 79 |
/* Receive an RDP packet */ |
| 80 |
static STREAM |
| 81 |
rdp_recv(uint8 * type) |
| 82 |
{ |
| 83 |
static STREAM rdp_s; |
| 84 |
uint16 length, pdu_type; |
| 85 |
uint8 rdpver; |
| 86 |
|
| 87 |
if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end) || (g_next_packet == NULL)) |
| 88 |
{ |
| 89 |
rdp_s = sec_recv(&rdpver); |
| 90 |
if (rdp_s == NULL) |
| 91 |
return NULL; |
| 92 |
if (rdpver == 0xff) |
| 93 |
{ |
| 94 |
g_next_packet = rdp_s->end; |
| 95 |
*type = 0; |
| 96 |
return rdp_s; |
| 97 |
} |
| 98 |
else if (rdpver != 3) |
| 99 |
{ |
| 100 |
/* rdp5_process should move g_next_packet ok */ |
| 101 |
rdp5_process(rdp_s); |
| 102 |
*type = 0; |
| 103 |
return rdp_s; |
| 104 |
} |
| 105 |
|
| 106 |
g_next_packet = rdp_s->p; |
| 107 |
} |
| 108 |
else |
| 109 |
{ |
| 110 |
rdp_s->p = g_next_packet; |
| 111 |
} |
| 112 |
|
| 113 |
in_uint16_le(rdp_s, length); |
| 114 |
/* 32k packets are really 8, keepalive fix */ |
| 115 |
if (length == 0x8000) |
| 116 |
{ |
| 117 |
g_next_packet += 8; |
| 118 |
*type = 0; |
| 119 |
return rdp_s; |
| 120 |
} |
| 121 |
in_uint16_le(rdp_s, pdu_type); |
| 122 |
in_uint8s(rdp_s, 2); /* userid */ |
| 123 |
*type = pdu_type & 0xf; |
| 124 |
|
| 125 |
#if WITH_DEBUG |
| 126 |
DEBUG(("RDP packet #%d, (type %x)\n", ++g_packetno, *type)); |
| 127 |
hexdump(g_next_packet, length); |
| 128 |
#endif /* */ |
| 129 |
|
| 130 |
g_next_packet += length; |
| 131 |
return rdp_s; |
| 132 |
} |
| 133 |
|
| 134 |
/* Initialise an RDP data packet */ |
| 135 |
static STREAM |
| 136 |
rdp_init_data(int maxlen) |
| 137 |
{ |
| 138 |
STREAM s; |
| 139 |
|
| 140 |
s = sec_init(g_encryption ? SEC_ENCRYPT : 0, maxlen + 18); |
| 141 |
s_push_layer(s, rdp_hdr, 18); |
| 142 |
|
| 143 |
return s; |
| 144 |
} |
| 145 |
|
| 146 |
/* Send an RDP data packet */ |
| 147 |
static void |
| 148 |
rdp_send_data(STREAM s, uint8 data_pdu_type) |
| 149 |
{ |
| 150 |
uint16 length; |
| 151 |
|
| 152 |
s_pop_layer(s, rdp_hdr); |
| 153 |
length = s->end - s->p; |
| 154 |
|
| 155 |
out_uint16_le(s, length); |
| 156 |
out_uint16_le(s, (RDP_PDU_DATA | 0x10)); |
| 157 |
out_uint16_le(s, (g_mcs_userid + 1001)); |
| 158 |
|
| 159 |
out_uint32_le(s, g_rdp_shareid); |
| 160 |
out_uint8(s, 0); /* pad */ |
| 161 |
out_uint8(s, 1); /* streamid */ |
| 162 |
out_uint16_le(s, (length - 14)); |
| 163 |
out_uint8(s, data_pdu_type); |
| 164 |
out_uint8(s, 0); /* compress_type */ |
| 165 |
out_uint16(s, 0); /* compress_len */ |
| 166 |
|
| 167 |
sec_send(s, g_encryption ? SEC_ENCRYPT : 0); |
| 168 |
} |
| 169 |
|
| 170 |
/* Output a string in Unicode */ |
| 171 |
void |
| 172 |
rdp_out_unistr(STREAM s, char *string, int len) |
| 173 |
{ |
| 174 |
#ifdef HAVE_ICONV |
| 175 |
size_t ibl = strlen(string), obl = len + 2; |
| 176 |
static iconv_t iconv_h = (iconv_t) - 1; |
| 177 |
char *pin = string, *pout = (char *) s->p; |
| 178 |
|
| 179 |
memset(pout, 0, len + 4); |
| 180 |
|
| 181 |
if (g_iconv_works) |
| 182 |
{ |
| 183 |
if (iconv_h == (iconv_t) - 1) |
| 184 |
{ |
| 185 |
size_t i = 1, o = 4; |
| 186 |
if ((iconv_h = iconv_open(WINDOWS_CODEPAGE, g_codepage)) == (iconv_t) - 1) |
| 187 |
{ |
| 188 |
warning("rdp_out_unistr: iconv_open[%s -> %s] fail %p\n", |
| 189 |
g_codepage, WINDOWS_CODEPAGE, iconv_h); |
| 190 |
|
| 191 |
g_iconv_works = False; |
| 192 |
rdp_out_unistr(s, string, len); |
| 193 |
return; |
| 194 |
} |
| 195 |
if (iconv(iconv_h, (ICONV_CONST char **) &pin, &i, &pout, &o) == |
| 196 |
(size_t) - 1) |
| 197 |
{ |
| 198 |
iconv_close(iconv_h); |
| 199 |
iconv_h = (iconv_t) - 1; |
| 200 |
warning("rdp_out_unistr: iconv(1) fail, errno %d\n", errno); |
| 201 |
|
| 202 |
g_iconv_works = False; |
| 203 |
rdp_out_unistr(s, string, len); |
| 204 |
return; |
| 205 |
} |
| 206 |
pin = string; |
| 207 |
pout = (char *) s->p; |
| 208 |
} |
| 209 |
|
| 210 |
if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
| 211 |
{ |
| 212 |
iconv_close(iconv_h); |
| 213 |
iconv_h = (iconv_t) - 1; |
| 214 |
warning("rdp_out_unistr: iconv(2) fail, errno %d\n", errno); |
| 215 |
|
| 216 |
g_iconv_works = False; |
| 217 |
rdp_out_unistr(s, string, len); |
| 218 |
return; |
| 219 |
} |
| 220 |
|
| 221 |
s->p += len + 2; |
| 222 |
|
| 223 |
} |
| 224 |
else |
| 225 |
#endif |
| 226 |
{ |
| 227 |
int i = 0, j = 0; |
| 228 |
|
| 229 |
len += 2; |
| 230 |
|
| 231 |
while (i < len) |
| 232 |
{ |
| 233 |
s->p[i++] = string[j++]; |
| 234 |
s->p[i++] = 0; |
| 235 |
} |
| 236 |
|
| 237 |
s->p += len; |
| 238 |
} |
| 239 |
} |
| 240 |
|
| 241 |
/* Input a string in Unicode |
| 242 |
* |
| 243 |
* Returns str_len of string |
| 244 |
*/ |
| 245 |
int |
| 246 |
rdp_in_unistr(STREAM s, char *string, int str_size, int in_len) |
| 247 |
{ |
| 248 |
#ifdef HAVE_ICONV |
| 249 |
size_t ibl = in_len, obl = str_size-1; |
| 250 |
char *pin = (char *) s->p, *pout = string; |
| 251 |
static iconv_t iconv_h = (iconv_t) - 1; |
| 252 |
|
| 253 |
if (g_iconv_works) |
| 254 |
{ |
| 255 |
if (iconv_h == (iconv_t) - 1) |
| 256 |
{ |
| 257 |
if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) |
| 258 |
{ |
| 259 |
warning("rdp_in_unistr: iconv_open[%s -> %s] fail %p\n", |
| 260 |
WINDOWS_CODEPAGE, g_codepage, iconv_h); |
| 261 |
|
| 262 |
g_iconv_works = False; |
| 263 |
return rdp_in_unistr(s, string, str_size, in_len); |
| 264 |
} |
| 265 |
} |
| 266 |
|
| 267 |
if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
| 268 |
{ |
| 269 |
if (errno == E2BIG) |
| 270 |
{ |
| 271 |
warning("server sent an unexpectedly long string, truncating\n"); |
| 272 |
} |
| 273 |
else |
| 274 |
{ |
| 275 |
iconv_close(iconv_h); |
| 276 |
iconv_h = (iconv_t) - 1; |
| 277 |
warning("rdp_in_unistr: iconv fail, errno %d\n", errno); |
| 278 |
|
| 279 |
g_iconv_works = False; |
| 280 |
return rdp_in_unistr(s, string, str_size, in_len); |
| 281 |
} |
| 282 |
} |
| 283 |
|
| 284 |
/* we must update the location of the current STREAM for future reads of s->p */ |
| 285 |
s->p += in_len; |
| 286 |
|
| 287 |
*pout = 0; |
| 288 |
return pout - string; |
| 289 |
} |
| 290 |
else |
| 291 |
#endif |
| 292 |
{ |
| 293 |
int i = 0; |
| 294 |
int len = in_len/2; |
| 295 |
int rem = 0; |
| 296 |
|
| 297 |
if (len > str_size-1) |
| 298 |
{ |
| 299 |
warning("server sent an unexpectedly long string, truncating\n"); |
| 300 |
len = str_size-1; |
| 301 |
rem = in_len - 2*len; |
| 302 |
} |
| 303 |
|
| 304 |
while (i < len) |
| 305 |
{ |
| 306 |
in_uint8a(s, &string[i++], 1); |
| 307 |
in_uint8s(s, 1); |
| 308 |
} |
| 309 |
|
| 310 |
in_uint8s(s, rem); |
| 311 |
string[len] = 0; |
| 312 |
return len; |
| 313 |
} |
| 314 |
} |
| 315 |
|
| 316 |
|
| 317 |
/* Parse a logon info packet */ |
| 318 |
static void |
| 319 |
rdp_send_logon_info(uint32 flags, char *domain, char *user, |
| 320 |
char *password, char *program, char *directory) |
| 321 |
{ |
| 322 |
char *ipaddr = tcp_get_address(); |
| 323 |
int len_domain = 2 * strlen(domain); |
| 324 |
int len_user = 2 * strlen(user); |
| 325 |
int len_password = 2 * strlen(password); |
| 326 |
int len_program = 2 * strlen(program); |
| 327 |
int len_directory = 2 * strlen(directory); |
| 328 |
int len_ip = 2 * strlen(ipaddr); |
| 329 |
int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); |
| 330 |
int packetlen = 0; |
| 331 |
uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
| 332 |
STREAM s; |
| 333 |
time_t t = time(NULL); |
| 334 |
time_t tzone; |
| 335 |
|
| 336 |
if (!g_use_rdp5 || 1 == g_server_rdp_version) |
| 337 |
{ |
| 338 |
DEBUG_RDP5(("Sending RDP4-style Logon packet\n")); |
| 339 |
|
| 340 |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
| 341 |
+ len_program + len_directory + 10); |
| 342 |
|
| 343 |
out_uint32(s, 0); |
| 344 |
out_uint32_le(s, flags); |
| 345 |
out_uint16_le(s, len_domain); |
| 346 |
out_uint16_le(s, len_user); |
| 347 |
out_uint16_le(s, len_password); |
| 348 |
out_uint16_le(s, len_program); |
| 349 |
out_uint16_le(s, len_directory); |
| 350 |
rdp_out_unistr(s, domain, len_domain); |
| 351 |
rdp_out_unistr(s, user, len_user); |
| 352 |
rdp_out_unistr(s, password, len_password); |
| 353 |
rdp_out_unistr(s, program, len_program); |
| 354 |
rdp_out_unistr(s, directory, len_directory); |
| 355 |
} |
| 356 |
else |
| 357 |
{ |
| 358 |
|
| 359 |
flags |= RDP_LOGON_BLOB; |
| 360 |
DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
| 361 |
packetlen = 4 + /* Unknown uint32 */ |
| 362 |
4 + /* flags */ |
| 363 |
2 + /* len_domain */ |
| 364 |
2 + /* len_user */ |
| 365 |
(flags & RDP_LOGON_AUTO ? 2 : 0) + /* len_password */ |
| 366 |
(flags & RDP_LOGON_BLOB ? 2 : 0) + /* Length of BLOB */ |
| 367 |
2 + /* len_program */ |
| 368 |
2 + /* len_directory */ |
| 369 |
(0 < len_domain ? len_domain : 2) + /* domain */ |
| 370 |
len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + /* We have no 512 byte BLOB. Perhaps we must? */ |
| 371 |
(flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + /* After the BLOB is a unknown int16. If there is a BLOB, that is. */ |
| 372 |
(0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + /* Unknown (2) */ |
| 373 |
2 + /* Client ip length */ |
| 374 |
len_ip + /* Client ip */ |
| 375 |
2 + /* DLL string length */ |
| 376 |
len_dll + /* DLL string */ |
| 377 |
2 + /* Unknown */ |
| 378 |
2 + /* Unknown */ |
| 379 |
64 + /* Time zone #0 */ |
| 380 |
2 + /* Unknown */ |
| 381 |
64 + /* Time zone #1 */ |
| 382 |
32; /* Unknown */ |
| 383 |
|
| 384 |
s = sec_init(sec_flags, packetlen); |
| 385 |
DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); |
| 386 |
|
| 387 |
out_uint32(s, 0); /* Unknown */ |
| 388 |
out_uint32_le(s, flags); |
| 389 |
out_uint16_le(s, len_domain); |
| 390 |
out_uint16_le(s, len_user); |
| 391 |
if (flags & RDP_LOGON_AUTO) |
| 392 |
{ |
| 393 |
out_uint16_le(s, len_password); |
| 394 |
|
| 395 |
} |
| 396 |
if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
| 397 |
{ |
| 398 |
out_uint16_le(s, 0); |
| 399 |
} |
| 400 |
out_uint16_le(s, len_program); |
| 401 |
out_uint16_le(s, len_directory); |
| 402 |
if (0 < len_domain) |
| 403 |
rdp_out_unistr(s, domain, len_domain); |
| 404 |
else |
| 405 |
out_uint16_le(s, 0); |
| 406 |
rdp_out_unistr(s, user, len_user); |
| 407 |
if (flags & RDP_LOGON_AUTO) |
| 408 |
{ |
| 409 |
rdp_out_unistr(s, password, len_password); |
| 410 |
} |
| 411 |
if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
| 412 |
{ |
| 413 |
out_uint16_le(s, 0); |
| 414 |
} |
| 415 |
if (0 < len_program) |
| 416 |
{ |
| 417 |
rdp_out_unistr(s, program, len_program); |
| 418 |
|
| 419 |
} |
| 420 |
else |
| 421 |
{ |
| 422 |
out_uint16_le(s, 0); |
| 423 |
} |
| 424 |
if (0 < len_directory) |
| 425 |
{ |
| 426 |
rdp_out_unistr(s, directory, len_directory); |
| 427 |
} |
| 428 |
else |
| 429 |
{ |
| 430 |
out_uint16_le(s, 0); |
| 431 |
} |
| 432 |
out_uint16_le(s, 2); |
| 433 |
out_uint16_le(s, len_ip + 2); /* Length of client ip */ |
| 434 |
rdp_out_unistr(s, ipaddr, len_ip); |
| 435 |
out_uint16_le(s, len_dll + 2); |
| 436 |
rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); |
| 437 |
|
| 438 |
tzone = (mktime(gmtime(&t)) - mktime(localtime(&t))) / 60; |
| 439 |
out_uint32_le(s, tzone); |
| 440 |
|
| 441 |
rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); |
| 442 |
out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); |
| 443 |
|
| 444 |
out_uint32_le(s, 0x0a0000); |
| 445 |
out_uint32_le(s, 0x050000); |
| 446 |
out_uint32_le(s, 3); |
| 447 |
out_uint32_le(s, 0); |
| 448 |
out_uint32_le(s, 0); |
| 449 |
|
| 450 |
rdp_out_unistr(s, "GTB, sommartid", 2 * strlen("GTB, sommartid")); |
| 451 |
out_uint8s(s, 62 - 2 * strlen("GTB, sommartid")); |
| 452 |
|
| 453 |
out_uint32_le(s, 0x30000); |
| 454 |
out_uint32_le(s, 0x050000); |
| 455 |
out_uint32_le(s, 2); |
| 456 |
out_uint32(s, 0); |
| 457 |
out_uint32_le(s, 0xffffffc4); |
| 458 |
out_uint32_le(s, 0xfffffffe); |
| 459 |
out_uint32_le(s, g_rdp5_performanceflags); |
| 460 |
out_uint16(s, 0); |
| 461 |
|
| 462 |
|
| 463 |
} |
| 464 |
s_mark_end(s); |
| 465 |
sec_send(s, sec_flags); |
| 466 |
} |
| 467 |
|
| 468 |
/* Send a control PDU */ |
| 469 |
static void |
| 470 |
rdp_send_control(uint16 action) |
| 471 |
{ |
| 472 |
STREAM s; |
| 473 |
|
| 474 |
s = rdp_init_data(8); |
| 475 |
|
| 476 |
out_uint16_le(s, action); |
| 477 |
out_uint16(s, 0); /* userid */ |
| 478 |
out_uint32(s, 0); /* control id */ |
| 479 |
|
| 480 |
s_mark_end(s); |
| 481 |
rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
| 482 |
} |
| 483 |
|
| 484 |
/* Send a synchronisation PDU */ |
| 485 |
static void |
| 486 |
rdp_send_synchronise(void) |
| 487 |
{ |
| 488 |
STREAM s; |
| 489 |
|
| 490 |
s = rdp_init_data(4); |
| 491 |
|
| 492 |
out_uint16_le(s, 1); /* type */ |
| 493 |
out_uint16_le(s, 1002); |
| 494 |
|
| 495 |
s_mark_end(s); |
| 496 |
rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
| 497 |
} |
| 498 |
|
| 499 |
/* Send a single input event */ |
| 500 |
void |
| 501 |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) |
| 502 |
{ |
| 503 |
STREAM s; |
| 504 |
|
| 505 |
s = rdp_init_data(16); |
| 506 |
|
| 507 |
out_uint16_le(s, 1); /* number of events */ |
| 508 |
out_uint16(s, 0); /* pad */ |
| 509 |
|
| 510 |
out_uint32_le(s, time); |
| 511 |
out_uint16_le(s, message_type); |
| 512 |
out_uint16_le(s, device_flags); |
| 513 |
out_uint16_le(s, param1); |
| 514 |
out_uint16_le(s, param2); |
| 515 |
|
| 516 |
s_mark_end(s); |
| 517 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
| 518 |
} |
| 519 |
|
| 520 |
/* Send a client window information PDU */ |
| 521 |
void |
| 522 |
rdp_send_client_window_status(int status) |
| 523 |
{ |
| 524 |
STREAM s; |
| 525 |
static int current_status = 1; |
| 526 |
|
| 527 |
if (current_status == status) |
| 528 |
return; |
| 529 |
|
| 530 |
s = rdp_init_data(12); |
| 531 |
|
| 532 |
out_uint32_le(s, status); |
| 533 |
|
| 534 |
switch (status) |
| 535 |
{ |
| 536 |
case 0: /* shut the server up */ |
| 537 |
break; |
| 538 |
|
| 539 |
case 1: /* receive data again */ |
| 540 |
out_uint32_le(s, 0); /* unknown */ |
| 541 |
out_uint16_le(s, g_width); |
| 542 |
out_uint16_le(s, g_height); |
| 543 |
break; |
| 544 |
} |
| 545 |
|
| 546 |
s_mark_end(s); |
| 547 |
rdp_send_data(s, RDP_DATA_PDU_CLIENT_WINDOW_STATUS); |
| 548 |
current_status = status; |
| 549 |
} |
| 550 |
|
| 551 |
/* Send persistent bitmap cache enumeration PDU's */ |
| 552 |
static void |
| 553 |
rdp_enum_bmpcache2(void) |
| 554 |
{ |
| 555 |
STREAM s; |
| 556 |
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
| 557 |
uint32 num_keys, offset, count, flags; |
| 558 |
|
| 559 |
offset = 0; |
| 560 |
num_keys = pstcache_enumerate(2, keylist); |
| 561 |
|
| 562 |
while (offset < num_keys) |
| 563 |
{ |
| 564 |
count = MIN(num_keys - offset, 169); |
| 565 |
|
| 566 |
s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
| 567 |
|
| 568 |
flags = 0; |
| 569 |
if (offset == 0) |
| 570 |
flags |= PDU_FLAG_FIRST; |
| 571 |
if (num_keys - offset <= 169) |
| 572 |
flags |= PDU_FLAG_LAST; |
| 573 |
|
| 574 |
/* header */ |
| 575 |
out_uint32_le(s, 0); |
| 576 |
out_uint16_le(s, count); |
| 577 |
out_uint16_le(s, 0); |
| 578 |
out_uint16_le(s, 0); |
| 579 |
out_uint16_le(s, 0); |
| 580 |
out_uint16_le(s, 0); |
| 581 |
out_uint16_le(s, num_keys); |
| 582 |
out_uint32_le(s, 0); |
| 583 |
out_uint32_le(s, flags); |
| 584 |
|
| 585 |
/* list */ |
| 586 |
out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
| 587 |
|
| 588 |
s_mark_end(s); |
| 589 |
rdp_send_data(s, 0x2b); |
| 590 |
|
| 591 |
offset += 169; |
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
/* Send an (empty) font information PDU */ |
| 596 |
static void |
| 597 |
rdp_send_fonts(uint16 seq) |
| 598 |
{ |
| 599 |
STREAM s; |
| 600 |
|
| 601 |
s = rdp_init_data(8); |
| 602 |
|
| 603 |
out_uint16(s, 0); /* number of fonts */ |
| 604 |
out_uint16_le(s, 0); /* pad? */ |
| 605 |
out_uint16_le(s, seq); /* unknown */ |
| 606 |
out_uint16_le(s, 0x32); /* entry size */ |
| 607 |
|
| 608 |
s_mark_end(s); |
| 609 |
rdp_send_data(s, RDP_DATA_PDU_FONT2); |
| 610 |
} |
| 611 |
|
| 612 |
/* Output general capability set */ |
| 613 |
static void |
| 614 |
rdp_out_general_caps(STREAM s) |
| 615 |
{ |
| 616 |
out_uint16_le(s, RDP_CAPSET_GENERAL); |
| 617 |
out_uint16_le(s, RDP_CAPLEN_GENERAL); |
| 618 |
|
| 619 |
out_uint16_le(s, 1); /* OS major type */ |
| 620 |
out_uint16_le(s, 3); /* OS minor type */ |
| 621 |
out_uint16_le(s, 0x200); /* Protocol version */ |
| 622 |
out_uint16(s, 0); /* Pad */ |
| 623 |
out_uint16(s, 0); /* Compression types */ |
| 624 |
out_uint16_le(s, g_use_rdp5 ? 0x40d : 0); |
| 625 |
/* Pad, according to T.128. 0x40d seems to |
| 626 |
trigger |
| 627 |
the server to start sending RDP5 packets. |
| 628 |
However, the value is 0x1d04 with W2KTSK and |
| 629 |
NT4MS. Hmm.. Anyway, thankyou, Microsoft, |
| 630 |
for sending such information in a padding |
| 631 |
field.. */ |
| 632 |
out_uint16(s, 0); /* Update capability */ |
| 633 |
out_uint16(s, 0); /* Remote unshare capability */ |
| 634 |
out_uint16(s, 0); /* Compression level */ |
| 635 |
out_uint16(s, 0); /* Pad */ |
| 636 |
} |
| 637 |
|
| 638 |
/* Output bitmap capability set */ |
| 639 |
static void |
| 640 |
rdp_out_bitmap_caps(STREAM s) |
| 641 |
{ |
| 642 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
| 643 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
| 644 |
|
| 645 |
out_uint16_le(s, g_server_depth); /* Preferred colour depth */ |
| 646 |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
| 647 |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
| 648 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
| 649 |
out_uint16_le(s, 800); /* Desktop width */ |
| 650 |
out_uint16_le(s, 600); /* Desktop height */ |
| 651 |
out_uint16(s, 0); /* Pad */ |
| 652 |
out_uint16(s, 1); /* Allow resize */ |
| 653 |
out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ |
| 654 |
out_uint16(s, 0); /* Unknown */ |
| 655 |
out_uint16_le(s, 1); /* Unknown */ |
| 656 |
out_uint16(s, 0); /* Pad */ |
| 657 |
} |
| 658 |
|
| 659 |
/* Output order capability set */ |
| 660 |
static void |
| 661 |
rdp_out_order_caps(STREAM s) |
| 662 |
{ |
| 663 |
uint8 order_caps[32]; |
| 664 |
|
| 665 |
memset(order_caps, 0, 32); |
| 666 |
order_caps[0] = 1; /* dest blt */ |
| 667 |
order_caps[1] = 1; /* pat blt */ |
| 668 |
order_caps[2] = 1; /* screen blt */ |
| 669 |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
| 670 |
order_caps[4] = 0; /* triblt */ |
| 671 |
order_caps[8] = 1; /* line */ |
| 672 |
order_caps[9] = 1; /* line */ |
| 673 |
order_caps[10] = 1; /* rect */ |
| 674 |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
| 675 |
order_caps[13] = 1; /* memblt */ |
| 676 |
order_caps[14] = 1; /* triblt */ |
| 677 |
order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
| 678 |
order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
| 679 |
order_caps[22] = 1; /* polyline */ |
| 680 |
order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
| 681 |
order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
| 682 |
order_caps[27] = 1; /* text2 */ |
| 683 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
| 684 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
| 685 |
|
| 686 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
| 687 |
out_uint16_le(s, 1); /* Cache X granularity */ |
| 688 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
| 689 |
out_uint16(s, 0); /* Pad */ |
| 690 |
out_uint16_le(s, 1); /* Max order level */ |
| 691 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
| 692 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
| 693 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
| 694 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
| 695 |
out_uint8s(s, 6); /* Pad */ |
| 696 |
out_uint32_le(s, g_desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
| 697 |
out_uint32(s, 0); /* Unknown */ |
| 698 |
out_uint32_le(s, 0x4e4); /* Unknown */ |
| 699 |
} |
| 700 |
|
| 701 |
/* Output bitmap cache capability set */ |
| 702 |
static void |
| 703 |
rdp_out_bmpcache_caps(STREAM s) |
| 704 |
{ |
| 705 |
int Bpp; |
| 706 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
| 707 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
| 708 |
|
| 709 |
Bpp = (g_server_depth + 7) / 8; /* bytes per pixel */ |
| 710 |
out_uint8s(s, 24); /* unused */ |
| 711 |
out_uint16_le(s, 0x258); /* entries */ |
| 712 |
out_uint16_le(s, 0x100 * Bpp); /* max cell size */ |
| 713 |
out_uint16_le(s, 0x12c); /* entries */ |
| 714 |
out_uint16_le(s, 0x400 * Bpp); /* max cell size */ |
| 715 |
out_uint16_le(s, 0x106); /* entries */ |
| 716 |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
| 717 |
} |
| 718 |
|
| 719 |
/* Output bitmap cache v2 capability set */ |
| 720 |
static void |
| 721 |
rdp_out_bmpcache2_caps(STREAM s) |
| 722 |
{ |
| 723 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
| 724 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
| 725 |
|
| 726 |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
| 727 |
|
| 728 |
out_uint16_be(s, 3); /* number of caches in this set */ |
| 729 |
|
| 730 |
/* max cell size for cache 0 is 16x16, 1 = 32x32, 2 = 64x64, etc */ |
| 731 |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
| 732 |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
| 733 |
if (pstcache_init(2)) |
| 734 |
{ |
| 735 |
out_uint32_le(s, BMPCACHE2_NUM_PSTCELLS | BMPCACHE2_FLAG_PERSIST); |
| 736 |
} |
| 737 |
else |
| 738 |
{ |
| 739 |
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
| 740 |
} |
| 741 |
out_uint8s(s, 20); /* other bitmap caches not used */ |
| 742 |
} |
| 743 |
|
| 744 |
/* Output control capability set */ |
| 745 |
static void |
| 746 |
rdp_out_control_caps(STREAM s) |
| 747 |
{ |
| 748 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
| 749 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
| 750 |
|
| 751 |
out_uint16(s, 0); /* Control capabilities */ |
| 752 |
out_uint16(s, 0); /* Remote detach */ |
| 753 |
out_uint16_le(s, 2); /* Control interest */ |
| 754 |
out_uint16_le(s, 2); /* Detach interest */ |
| 755 |
} |
| 756 |
|
| 757 |
/* Output activation capability set */ |
| 758 |
static void |
| 759 |
rdp_out_activate_caps(STREAM s) |
| 760 |
{ |
| 761 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
| 762 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
| 763 |
|
| 764 |
out_uint16(s, 0); /* Help key */ |
| 765 |
out_uint16(s, 0); /* Help index key */ |
| 766 |
out_uint16(s, 0); /* Extended help key */ |
| 767 |
out_uint16(s, 0); /* Window activate */ |
| 768 |
} |
| 769 |
|
| 770 |
/* Output pointer capability set */ |
| 771 |
static void |
| 772 |
rdp_out_pointer_caps(STREAM s) |
| 773 |
{ |
| 774 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
| 775 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
| 776 |
|
| 777 |
out_uint16(s, 0); /* Colour pointer */ |
| 778 |
out_uint16_le(s, 20); /* Cache size */ |
| 779 |
} |
| 780 |
|
| 781 |
/* Output share capability set */ |
| 782 |
static void |
| 783 |
rdp_out_share_caps(STREAM s) |
| 784 |
{ |
| 785 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
| 786 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
| 787 |
|
| 788 |
out_uint16(s, 0); /* userid */ |
| 789 |
out_uint16(s, 0); /* pad */ |
| 790 |
} |
| 791 |
|
| 792 |
/* Output colour cache capability set */ |
| 793 |
static void |
| 794 |
rdp_out_colcache_caps(STREAM s) |
| 795 |
{ |
| 796 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
| 797 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
| 798 |
|
| 799 |
out_uint16_le(s, 6); /* cache size */ |
| 800 |
out_uint16(s, 0); /* pad */ |
| 801 |
} |
| 802 |
|
| 803 |
static uint8 caps_0x0d[] = { |
| 804 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, |
| 805 |
0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 806 |
0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 807 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 808 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 809 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 810 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 811 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 812 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 813 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 814 |
0x00, 0x00, 0x00, 0x00 |
| 815 |
}; |
| 816 |
|
| 817 |
static uint8 caps_0x0c[] = { 0x01, 0x00, 0x00, 0x00 }; |
| 818 |
|
| 819 |
static uint8 caps_0x0e[] = { 0x01, 0x00, 0x00, 0x00 }; |
| 820 |
|
| 821 |
static uint8 caps_0x10[] = { |
| 822 |
0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, |
| 823 |
0xFE, 0x00, 0x08, 0x00, 0xFE, 0x00, 0x08, 0x00, |
| 824 |
0xFE, 0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, |
| 825 |
0xFE, 0x00, 0x40, 0x00, 0xFE, 0x00, 0x80, 0x00, |
| 826 |
0xFE, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, |
| 827 |
0x00, 0x01, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00 |
| 828 |
}; |
| 829 |
|
| 830 |
/* Output unknown capability sets */ |
| 831 |
static void |
| 832 |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) |
| 833 |
{ |
| 834 |
out_uint16_le(s, id); |
| 835 |
out_uint16_le(s, length); |
| 836 |
|
| 837 |
out_uint8p(s, caps, length - 4); |
| 838 |
} |
| 839 |
|
| 840 |
#define RDP5_FLAG 0x0030 |
| 841 |
/* Send a confirm active PDU */ |
| 842 |
static void |
| 843 |
rdp_send_confirm_active(void) |
| 844 |
{ |
| 845 |
STREAM s; |
| 846 |
uint32 sec_flags = g_encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG; |
| 847 |
uint16 caplen = |
| 848 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
| 849 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
| 850 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
| 851 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
| 852 |
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
| 853 |
4 /* w2k fix, why? */ ; |
| 854 |
|
| 855 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
| 856 |
|
| 857 |
out_uint16_le(s, 2 + 14 + caplen + sizeof(RDP_SOURCE)); |
| 858 |
out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10)); /* Version 1 */ |
| 859 |
out_uint16_le(s, (g_mcs_userid + 1001)); |
| 860 |
|
| 861 |
out_uint32_le(s, g_rdp_shareid); |
| 862 |
out_uint16_le(s, 0x3ea); /* userid */ |
| 863 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
| 864 |
out_uint16_le(s, caplen); |
| 865 |
|
| 866 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
| 867 |
out_uint16_le(s, 0xd); /* num_caps */ |
| 868 |
out_uint8s(s, 2); /* pad */ |
| 869 |
|
| 870 |
rdp_out_general_caps(s); |
| 871 |
rdp_out_bitmap_caps(s); |
| 872 |
rdp_out_order_caps(s); |
| 873 |
g_use_rdp5 ? rdp_out_bmpcache2_caps(s) : rdp_out_bmpcache_caps(s); |
| 874 |
rdp_out_colcache_caps(s); |
| 875 |
rdp_out_activate_caps(s); |
| 876 |
rdp_out_control_caps(s); |
| 877 |
rdp_out_pointer_caps(s); |
| 878 |
rdp_out_share_caps(s); |
| 879 |
|
| 880 |
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
| 881 |
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
| 882 |
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
| 883 |
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
| 884 |
|
| 885 |
s_mark_end(s); |
| 886 |
sec_send(s, sec_flags); |
| 887 |
} |
| 888 |
|
| 889 |
/* Process a general capability set */ |
| 890 |
static void |
| 891 |
rdp_process_general_caps(STREAM s) |
| 892 |
{ |
| 893 |
uint16 pad2octetsB; /* rdp5 flags? */ |
| 894 |
|
| 895 |
in_uint8s(s, 10); |
| 896 |
in_uint16_le(s, pad2octetsB); |
| 897 |
|
| 898 |
if (!pad2octetsB) |
| 899 |
g_use_rdp5 = False; |
| 900 |
} |
| 901 |
|
| 902 |
/* Process a bitmap capability set */ |
| 903 |
static void |
| 904 |
rdp_process_bitmap_caps(STREAM s) |
| 905 |
{ |
| 906 |
uint16 width, height, depth; |
| 907 |
|
| 908 |
in_uint16_le(s, depth); |
| 909 |
in_uint8s(s, 6); |
| 910 |
|
| 911 |
in_uint16_le(s, width); |
| 912 |
in_uint16_le(s, height); |
| 913 |
|
| 914 |
DEBUG(("setting desktop size and depth to: %dx%dx%d\n", width, height, depth)); |
| 915 |
|
| 916 |
/* |
| 917 |
* The server may limit depth and change the size of the desktop (for |
| 918 |
* example when shadowing another session). |
| 919 |
*/ |
| 920 |
if (g_server_depth != depth) |
| 921 |
{ |
| 922 |
warning("Remote desktop does not support colour depth %d; falling back to %d\n", |
| 923 |
g_server_depth, depth); |
| 924 |
g_server_depth = depth; |
| 925 |
} |
| 926 |
if (g_width != width || g_height != height) |
| 927 |
{ |
| 928 |
warning("Remote desktop changed from %dx%d to %dx%d.\n", g_width, g_height, |
| 929 |
width, height); |
| 930 |
g_width = width; |
| 931 |
g_height = height; |
| 932 |
ui_resize_window(); |
| 933 |
} |
| 934 |
} |
| 935 |
|
| 936 |
/* Process server capabilities */ |
| 937 |
static void |
| 938 |
rdp_process_server_caps(STREAM s, uint16 length) |
| 939 |
{ |
| 940 |
int n; |
| 941 |
uint8 *next, *start; |
| 942 |
uint16 ncapsets, capset_type, capset_length; |
| 943 |
|
| 944 |
start = s->p; |
| 945 |
|
| 946 |
in_uint16_le(s, ncapsets); |
| 947 |
in_uint8s(s, 2); /* pad */ |
| 948 |
|
| 949 |
for (n = 0; n < ncapsets; n++) |
| 950 |
{ |
| 951 |
if (s->p > start + length) |
| 952 |
return; |
| 953 |
|
| 954 |
in_uint16_le(s, capset_type); |
| 955 |
in_uint16_le(s, capset_length); |
| 956 |
|
| 957 |
next = s->p + capset_length - 4; |
| 958 |
|
| 959 |
switch (capset_type) |
| 960 |
{ |
| 961 |
case RDP_CAPSET_GENERAL: |
| 962 |
rdp_process_general_caps(s); |
| 963 |
break; |
| 964 |
|
| 965 |
case RDP_CAPSET_BITMAP: |
| 966 |
rdp_process_bitmap_caps(s); |
| 967 |
break; |
| 968 |
} |
| 969 |
|
| 970 |
s->p = next; |
| 971 |
} |
| 972 |
} |
| 973 |
|
| 974 |
/* Respond to a demand active PDU */ |
| 975 |
static void |
| 976 |
process_demand_active(STREAM s) |
| 977 |
{ |
| 978 |
uint8 type; |
| 979 |
uint16 len_src_descriptor, len_combined_caps; |
| 980 |
|
| 981 |
in_uint32_le(s, g_rdp_shareid); |
| 982 |
in_uint16_le(s, len_src_descriptor); |
| 983 |
in_uint16_le(s, len_combined_caps); |
| 984 |
in_uint8s(s, len_src_descriptor); |
| 985 |
|
| 986 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
| 987 |
rdp_process_server_caps(s, len_combined_caps); |
| 988 |
|
| 989 |
rdp_send_confirm_active(); |
| 990 |
rdp_send_synchronise(); |
| 991 |
rdp_send_control(RDP_CTL_COOPERATE); |
| 992 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
| 993 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
| 994 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
| 995 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
| 996 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
| 997 |
g_numlock_sync ? ui_get_numlock_state(read_keyboard_state()) : 0, 0); |
| 998 |
|
| 999 |
if (g_use_rdp5) |
| 1000 |
{ |
| 1001 |
rdp_enum_bmpcache2(); |
| 1002 |
rdp_send_fonts(3); |
| 1003 |
} |
| 1004 |
else |
| 1005 |
{ |
| 1006 |
rdp_send_fonts(1); |
| 1007 |
rdp_send_fonts(2); |
| 1008 |
} |
| 1009 |
|
| 1010 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 (Fonts?) */ |
| 1011 |
reset_order_state(); |
| 1012 |
} |
| 1013 |
|
| 1014 |
/* Process a colour pointer PDU */ |
| 1015 |
void |
| 1016 |
process_colour_pointer_pdu(STREAM s) |
| 1017 |
{ |
| 1018 |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
| 1019 |
uint8 *mask, *data; |
| 1020 |
RD_HCURSOR cursor; |
| 1021 |
|
| 1022 |
in_uint16_le(s, cache_idx); |
| 1023 |
in_uint16_le(s, x); |
| 1024 |
in_uint16_le(s, y); |
| 1025 |
in_uint16_le(s, width); |
| 1026 |
in_uint16_le(s, height); |
| 1027 |
in_uint16_le(s, masklen); |
| 1028 |
in_uint16_le(s, datalen); |
| 1029 |
in_uint8p(s, data, datalen); |
| 1030 |
in_uint8p(s, mask, masklen); |
| 1031 |
cursor = ui_create_cursor(x, y, width, height, mask, data); |
| 1032 |
ui_set_cursor(cursor); |
| 1033 |
cache_put_cursor(cache_idx, cursor); |
| 1034 |
} |
| 1035 |
|
| 1036 |
/* Process a cached pointer PDU */ |
| 1037 |
void |
| 1038 |
process_cached_pointer_pdu(STREAM s) |
| 1039 |
{ |
| 1040 |
uint16 cache_idx; |
| 1041 |
|
| 1042 |
in_uint16_le(s, cache_idx); |
| 1043 |
ui_set_cursor(cache_get_cursor(cache_idx)); |
| 1044 |
} |
| 1045 |
|
| 1046 |
/* Process a system pointer PDU */ |
| 1047 |
void |
| 1048 |
process_system_pointer_pdu(STREAM s) |
| 1049 |
{ |
| 1050 |
uint16 system_pointer_type; |
| 1051 |
|
| 1052 |
in_uint16_le(s, system_pointer_type); |
| 1053 |
switch (system_pointer_type) |
| 1054 |
{ |
| 1055 |
case RDP_NULL_POINTER: |
| 1056 |
ui_set_null_cursor(); |
| 1057 |
break; |
| 1058 |
|
| 1059 |
default: |
| 1060 |
unimpl("System pointer message 0x%x\n", system_pointer_type); |
| 1061 |
} |
| 1062 |
} |
| 1063 |
|
| 1064 |
/* Process a pointer PDU */ |
| 1065 |
static void |
| 1066 |
process_pointer_pdu(STREAM s) |
| 1067 |
{ |
| 1068 |
uint16 message_type; |
| 1069 |
uint16 x, y; |
| 1070 |
|
| 1071 |
in_uint16_le(s, message_type); |
| 1072 |
in_uint8s(s, 2); /* pad */ |
| 1073 |
|
| 1074 |
switch (message_type) |
| 1075 |
{ |
| 1076 |
case RDP_POINTER_MOVE: |
| 1077 |
in_uint16_le(s, x); |
| 1078 |
in_uint16_le(s, y); |
| 1079 |
if (s_check(s)) |
| 1080 |
ui_move_pointer(x, y); |
| 1081 |
break; |
| 1082 |
|
| 1083 |
case RDP_POINTER_COLOR: |
| 1084 |
process_colour_pointer_pdu(s); |
| 1085 |
break; |
| 1086 |
|
| 1087 |
case RDP_POINTER_CACHED: |
| 1088 |
process_cached_pointer_pdu(s); |
| 1089 |
break; |
| 1090 |
|
| 1091 |
case RDP_POINTER_SYSTEM: |
| 1092 |
process_system_pointer_pdu(s); |
| 1093 |
break; |
| 1094 |
|
| 1095 |
default: |
| 1096 |
unimpl("Pointer message 0x%x\n", message_type); |
| 1097 |
} |
| 1098 |
} |
| 1099 |
|
| 1100 |
/* Process bitmap updates */ |
| 1101 |
void |
| 1102 |
process_bitmap_updates(STREAM s) |
| 1103 |
{ |
| 1104 |
uint16 num_updates; |
| 1105 |
uint16 left, top, right, bottom, width, height; |
| 1106 |
uint16 cx, cy, bpp, Bpp, compress, bufsize, size; |
| 1107 |
uint8 *data, *bmpdata; |
| 1108 |
int i; |
| 1109 |
|
| 1110 |
in_uint16_le(s, num_updates); |
| 1111 |
|
| 1112 |
for (i = 0; i < num_updates; i++) |
| 1113 |
{ |
| 1114 |
in_uint16_le(s, left); |
| 1115 |
in_uint16_le(s, top); |
| 1116 |
in_uint16_le(s, right); |
| 1117 |
in_uint16_le(s, bottom); |
| 1118 |
in_uint16_le(s, width); |
| 1119 |
in_uint16_le(s, height); |
| 1120 |
in_uint16_le(s, bpp); |
| 1121 |
Bpp = (bpp + 7) / 8; |
| 1122 |
in_uint16_le(s, compress); |
| 1123 |
in_uint16_le(s, bufsize); |
| 1124 |
|
| 1125 |
cx = right - left + 1; |
| 1126 |
cy = bottom - top + 1; |
| 1127 |
|
| 1128 |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
| 1129 |
left, top, right, bottom, width, height, Bpp, compress)); |
| 1130 |
|
| 1131 |
if (!compress) |
| 1132 |
{ |
| 1133 |
int y; |
| 1134 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
| 1135 |
for (y = 0; y < height; y++) |
| 1136 |
{ |
| 1137 |
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)], |
| 1138 |
width * Bpp); |
| 1139 |
} |
| 1140 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
| 1141 |
xfree(bmpdata); |
| 1142 |
continue; |
| 1143 |
} |
| 1144 |
|
| 1145 |
|
| 1146 |
if (compress & 0x400) |
| 1147 |
{ |
| 1148 |
size = bufsize; |
| 1149 |
} |
| 1150 |
else |
| 1151 |
{ |
| 1152 |
in_uint8s(s, 2); /* pad */ |
| 1153 |
in_uint16_le(s, size); |
| 1154 |
in_uint8s(s, 4); /* line_size, final_size */ |
| 1155 |
} |
| 1156 |
in_uint8p(s, data, size); |
| 1157 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
| 1158 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
| 1159 |
{ |
| 1160 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
| 1161 |
} |
| 1162 |
else |
| 1163 |
{ |
| 1164 |
DEBUG_RDP5(("Failed to decompress data\n")); |
| 1165 |
} |
| 1166 |
|
| 1167 |
xfree(bmpdata); |
| 1168 |
} |
| 1169 |
} |
| 1170 |
|
| 1171 |
/* Process a palette update */ |
| 1172 |
void |
| 1173 |
process_palette(STREAM s) |
| 1174 |
{ |
| 1175 |
COLOURENTRY *entry; |
| 1176 |
COLOURMAP map; |
| 1177 |
RD_HCOLOURMAP hmap; |
| 1178 |
int i; |
| 1179 |
|
| 1180 |
in_uint8s(s, 2); /* pad */ |
| 1181 |
in_uint16_le(s, map.ncolours); |
| 1182 |
in_uint8s(s, 2); /* pad */ |
| 1183 |
|
| 1184 |
map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours); |
| 1185 |
|
| 1186 |
DEBUG(("PALETTE(c=%d)\n", map.ncolours)); |
| 1187 |
|
| 1188 |
for (i = 0; i < map.ncolours; i++) |
| 1189 |
{ |
| 1190 |
entry = &map.colours[i]; |
| 1191 |
in_uint8(s, entry->red); |
| 1192 |
in_uint8(s, entry->green); |
| 1193 |
in_uint8(s, entry->blue); |
| 1194 |
} |
| 1195 |
|
| 1196 |
hmap = ui_create_colourmap(&map); |
| 1197 |
ui_set_colourmap(hmap); |
| 1198 |
|
| 1199 |
xfree(map.colours); |
| 1200 |
} |
| 1201 |
|
| 1202 |
/* Process an update PDU */ |
| 1203 |
static void |
| 1204 |
process_update_pdu(STREAM s) |
| 1205 |
{ |
| 1206 |
uint16 update_type, count; |
| 1207 |
|
| 1208 |
in_uint16_le(s, update_type); |
| 1209 |
|
| 1210 |
ui_begin_update(); |
| 1211 |
switch (update_type) |
| 1212 |
{ |
| 1213 |
case RDP_UPDATE_ORDERS: |
| 1214 |
in_uint8s(s, 2); /* pad */ |
| 1215 |
in_uint16_le(s, count); |
| 1216 |
in_uint8s(s, 2); /* pad */ |
| 1217 |
process_orders(s, count); |
| 1218 |
break; |
| 1219 |
|
| 1220 |
case RDP_UPDATE_BITMAP: |
| 1221 |
process_bitmap_updates(s); |
| 1222 |
break; |
| 1223 |
|
| 1224 |
case RDP_UPDATE_PALETTE: |
| 1225 |
process_palette(s); |
| 1226 |
break; |
| 1227 |
|
| 1228 |
case RDP_UPDATE_SYNCHRONIZE: |
| 1229 |
break; |
| 1230 |
|
| 1231 |
default: |
| 1232 |
unimpl("update %d\n", update_type); |
| 1233 |
} |
| 1234 |
ui_end_update(); |
| 1235 |
} |
| 1236 |
|
| 1237 |
/* Process a disconnect PDU */ |
| 1238 |
void |
| 1239 |
process_disconnect_pdu(STREAM s, uint32 * ext_disc_reason) |
| 1240 |
{ |
| 1241 |
in_uint32_le(s, *ext_disc_reason); |
| 1242 |
|
| 1243 |
DEBUG(("Received disconnect PDU\n")); |
| 1244 |
} |
| 1245 |
|
| 1246 |
/* Process data PDU */ |
| 1247 |
static RD_BOOL |
| 1248 |
process_data_pdu(STREAM s, uint32 * ext_disc_reason) |
| 1249 |
{ |
| 1250 |
uint8 data_pdu_type; |
| 1251 |
uint8 ctype; |
| 1252 |
uint16 clen; |
| 1253 |
uint32 len; |
| 1254 |
|
| 1255 |
uint32 roff, rlen; |
| 1256 |
|
| 1257 |
struct stream *ns = &(g_mppc_dict.ns); |
| 1258 |
|
| 1259 |
in_uint8s(s, 6); /* shareid, pad, streamid */ |
| 1260 |
in_uint16_le(s, len); |
| 1261 |
in_uint8(s, data_pdu_type); |
| 1262 |
in_uint8(s, ctype); |
| 1263 |
in_uint16_le(s, clen); |
| 1264 |
clen -= 18; |
| 1265 |
|
| 1266 |
if (ctype & RDP_MPPC_COMPRESSED) |
| 1267 |
{ |
| 1268 |
if (len > RDP_MPPC_DICT_SIZE) |
| 1269 |
error("error decompressed packet size exceeds max\n"); |
| 1270 |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
| 1271 |
error("error while decompressing packet\n"); |
| 1272 |
|
| 1273 |
/* len -= 18; */ |
| 1274 |
|
| 1275 |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
| 1276 |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
| 1277 |
|
| 1278 |
memcpy((ns->data), (unsigned char *) (g_mppc_dict.hist + roff), rlen); |
| 1279 |
|
| 1280 |
ns->size = rlen; |
| 1281 |
ns->end = (ns->data + ns->size); |
| 1282 |
ns->p = ns->data; |
| 1283 |
ns->rdp_hdr = ns->p; |
| 1284 |
|
| 1285 |
s = ns; |
| 1286 |
} |
| 1287 |
|
| 1288 |
switch (data_pdu_type) |
| 1289 |
{ |
| 1290 |
case RDP_DATA_PDU_UPDATE: |
| 1291 |
process_update_pdu(s); |
| 1292 |
break; |
| 1293 |
|
| 1294 |
case RDP_DATA_PDU_CONTROL: |
| 1295 |
DEBUG(("Received Control PDU\n")); |
| 1296 |
break; |
| 1297 |
|
| 1298 |
case RDP_DATA_PDU_SYNCHRONISE: |
| 1299 |
DEBUG(("Received Sync PDU\n")); |
| 1300 |
break; |
| 1301 |
|
| 1302 |
case RDP_DATA_PDU_POINTER: |
| 1303 |
process_pointer_pdu(s); |
| 1304 |
break; |
| 1305 |
|
| 1306 |
case RDP_DATA_PDU_BELL: |
| 1307 |
ui_bell(); |
| 1308 |
break; |
| 1309 |
|
| 1310 |
case RDP_DATA_PDU_LOGON: |
| 1311 |
DEBUG(("Received Logon PDU\n")); |
| 1312 |
/* User logged on */ |
| 1313 |
break; |
| 1314 |
|
| 1315 |
case RDP_DATA_PDU_DISCONNECT: |
| 1316 |
process_disconnect_pdu(s, ext_disc_reason); |
| 1317 |
|
| 1318 |
/* We used to return true and disconnect immediately here, but |
| 1319 |
* Windows Vista sends a disconnect PDU with reason 0 when |
| 1320 |
* reconnecting to a disconnected session, and MSTSC doesn't |
| 1321 |
* drop the connection. I think we should just save the status. |
| 1322 |
*/ |
| 1323 |
break; |
| 1324 |
|
| 1325 |
default: |
| 1326 |
unimpl("data PDU %d\n", data_pdu_type); |
| 1327 |
} |
| 1328 |
return False; |
| 1329 |
} |
| 1330 |
|
| 1331 |
/* Process redirect PDU from Session Directory */ |
| 1332 |
static RD_BOOL |
| 1333 |
process_redirect_pdu(STREAM s /*, uint32 * ext_disc_reason */ ) |
| 1334 |
{ |
| 1335 |
uint32 len; |
| 1336 |
|
| 1337 |
/* these 2 bytes are unknown, seem to be zeros */ |
| 1338 |
in_uint8s(s, 2); |
| 1339 |
|
| 1340 |
/* read connection flags */ |
| 1341 |
in_uint32_le(s, g_redirect_flags); |
| 1342 |
|
| 1343 |
/* read length of ip string */ |
| 1344 |
in_uint32_le(s, len); |
| 1345 |
|
| 1346 |
/* read ip string */ |
| 1347 |
rdp_in_unistr(s, g_redirect_server, sizeof(g_redirect_server), len); |
| 1348 |
|
| 1349 |
/* read length of cookie string */ |
| 1350 |
in_uint32_le(s, len); |
| 1351 |
|
| 1352 |
/* read cookie string (plain ASCII) */ |
| 1353 |
if (len > sizeof(g_redirect_cookie)-1) |
| 1354 |
{ |
| 1355 |
uint32 rem = len - (sizeof(g_redirect_cookie)-1); |
| 1356 |
len = sizeof(g_redirect_cookie)-1; |
| 1357 |
|
| 1358 |
warning("Unexpectedly large redirection cookie\n"); |
| 1359 |
in_uint8a(s, g_redirect_cookie, len); |
| 1360 |
in_uint8s(s, rem); |
| 1361 |
} |
| 1362 |
else |
| 1363 |
{ |
| 1364 |
in_uint8a(s, g_redirect_cookie, len); |
| 1365 |
} |
| 1366 |
g_redirect_cookie[len] = 0; |
| 1367 |
|
| 1368 |
/* read length of username string */ |
| 1369 |
in_uint32_le(s, len); |
| 1370 |
|
| 1371 |
/* read username string */ |
| 1372 |
rdp_in_unistr(s, g_redirect_username, sizeof(g_redirect_username), len); |
| 1373 |
|
| 1374 |
/* read length of domain string */ |
| 1375 |
in_uint32_le(s, len); |
| 1376 |
|
| 1377 |
/* read domain string */ |
| 1378 |
rdp_in_unistr(s, g_redirect_domain, sizeof(g_redirect_domain), len); |
| 1379 |
|
| 1380 |
/* read length of password string */ |
| 1381 |
in_uint32_le(s, len); |
| 1382 |
|
| 1383 |
/* read password string */ |
| 1384 |
rdp_in_unistr(s, g_redirect_password, sizeof(g_redirect_password), len); |
| 1385 |
|
| 1386 |
g_redirect = True; |
| 1387 |
|
| 1388 |
return True; |
| 1389 |
} |
| 1390 |
|
| 1391 |
/* Process incoming packets */ |
| 1392 |
/* nevers gets out of here till app is done */ |
| 1393 |
void |
| 1394 |
rdp_main_loop(RD_BOOL * deactivated, uint32 * ext_disc_reason) |
| 1395 |
{ |
| 1396 |
while (rdp_loop(deactivated, ext_disc_reason)) |
| 1397 |
; |
| 1398 |
} |
| 1399 |
|
| 1400 |
/* used in uiports and rdp_main_loop, processes the rdp packets waiting */ |
| 1401 |
RD_BOOL |
| 1402 |
rdp_loop(RD_BOOL * deactivated, uint32 * ext_disc_reason) |
| 1403 |
{ |
| 1404 |
uint8 type; |
| 1405 |
RD_BOOL disc = False; /* True when a disconnect PDU was received */ |
| 1406 |
RD_BOOL cont = True; |
| 1407 |
STREAM s; |
| 1408 |
|
| 1409 |
while (cont) |
| 1410 |
{ |
| 1411 |
s = rdp_recv(&type); |
| 1412 |
if (s == NULL) |
| 1413 |
return False; |
| 1414 |
switch (type) |
| 1415 |
{ |
| 1416 |
case RDP_PDU_DEMAND_ACTIVE: |
| 1417 |
process_demand_active(s); |
| 1418 |
*deactivated = False; |
| 1419 |
break; |
| 1420 |
case RDP_PDU_DEACTIVATE: |
| 1421 |
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
| 1422 |
*deactivated = True; |
| 1423 |
break; |
| 1424 |
case RDP_PDU_REDIRECT: |
| 1425 |
return process_redirect_pdu(s); |
| 1426 |
break; |
| 1427 |
case RDP_PDU_DATA: |
| 1428 |
disc = process_data_pdu(s, ext_disc_reason); |
| 1429 |
break; |
| 1430 |
case 0: |
| 1431 |
break; |
| 1432 |
default: |
| 1433 |
unimpl("PDU %d\n", type); |
| 1434 |
} |
| 1435 |
if (disc) |
| 1436 |
return False; |
| 1437 |
cont = g_next_packet < s->end; |
| 1438 |
} |
| 1439 |
return True; |
| 1440 |
} |
| 1441 |
|
| 1442 |
/* Establish a connection up to the RDP layer */ |
| 1443 |
RD_BOOL |
| 1444 |
rdp_connect(char *server, uint32 flags, char *domain, char *password, |
| 1445 |
char *command, char *directory) |
| 1446 |
{ |
| 1447 |
if (!sec_connect(server, g_username)) |
| 1448 |
return False; |
| 1449 |
|
| 1450 |
rdp_send_logon_info(flags, domain, g_username, password, command, directory); |
| 1451 |
return True; |
| 1452 |
} |
| 1453 |
|
| 1454 |
/* Establish a reconnection up to the RDP layer */ |
| 1455 |
RD_BOOL |
| 1456 |
rdp_reconnect(char *server, uint32 flags, char *domain, char *password, |
| 1457 |
char *command, char *directory, char *cookie) |
| 1458 |
{ |
| 1459 |
if (!sec_reconnect(server)) |
| 1460 |
return False; |
| 1461 |
|
| 1462 |
rdp_send_logon_info(flags, domain, g_username, password, command, directory); |
| 1463 |
return True; |
| 1464 |
} |
| 1465 |
|
| 1466 |
/* Called during redirection to reset the state to support redirection */ |
| 1467 |
void |
| 1468 |
rdp_reset_state(void) |
| 1469 |
{ |
| 1470 |
g_next_packet = NULL; /* reset the packet information */ |
| 1471 |
g_rdp_shareid = 0; |
| 1472 |
sec_reset_state(); |
| 1473 |
} |
| 1474 |
|
| 1475 |
/* Disconnect from the RDP layer */ |
| 1476 |
void |
| 1477 |
rdp_disconnect(void) |
| 1478 |
{ |
| 1479 |
sec_disconnect(); |
| 1480 |
} |
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