1 |
/* -*- c-basic-offset: 8 -*- |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
Protocol services - RDP layer |
Protocol services - RDP layer |
4 |
Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2005 |
5 |
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6 |
This program is free software; you can redistribute it and/or modify |
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 |
it under the terms of the GNU General Public License as published by |
19 |
*/ |
*/ |
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|
21 |
#include <time.h> |
#include <time.h> |
22 |
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#include <errno.h> |
23 |
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#include <unistd.h> |
24 |
#include "rdesktop.h" |
#include "rdesktop.h" |
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26 |
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#ifdef HAVE_ICONV |
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#ifdef HAVE_ICONV_H |
28 |
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#include <iconv.h> |
29 |
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#endif |
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31 |
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#ifndef ICONV_CONST |
32 |
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#define ICONV_CONST "" |
33 |
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#endif |
34 |
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#endif |
35 |
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36 |
extern uint16 g_mcs_userid; |
extern uint16 g_mcs_userid; |
37 |
extern char g_username[16]; |
extern char g_username[64]; |
38 |
|
extern char g_codepage[16]; |
39 |
extern BOOL g_bitmap_compression; |
extern BOOL g_bitmap_compression; |
40 |
extern BOOL g_orders; |
extern BOOL g_orders; |
41 |
extern BOOL g_encryption; |
extern BOOL g_encryption; |
42 |
extern BOOL g_desktop_save; |
extern BOOL g_desktop_save; |
43 |
|
extern BOOL g_polygon_ellipse_orders; |
44 |
extern BOOL g_use_rdp5; |
extern BOOL g_use_rdp5; |
45 |
extern uint16 g_server_rdp_version; |
extern uint16 g_server_rdp_version; |
46 |
extern uint32 g_rdp5_performanceflags; |
extern uint32 g_rdp5_performanceflags; |
49 |
extern int g_height; |
extern int g_height; |
50 |
extern BOOL g_bitmap_cache; |
extern BOOL g_bitmap_cache; |
51 |
extern BOOL g_bitmap_cache_persist_enable; |
extern BOOL g_bitmap_cache_persist_enable; |
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extern BOOL g_rdp_compression; |
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|
54 |
uint8 *g_next_packet; |
uint8 *g_next_packet; |
55 |
uint32 g_rdp_shareid; |
uint32 g_rdp_shareid; |
60 |
static uint32 g_packetno; |
static uint32 g_packetno; |
61 |
#endif |
#endif |
62 |
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63 |
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#ifdef HAVE_ICONV |
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static BOOL g_iconv_works = True; |
65 |
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#endif |
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|
67 |
/* Receive an RDP packet */ |
/* Receive an RDP packet */ |
68 |
static STREAM |
static STREAM |
69 |
rdp_recv(uint8 * type) |
rdp_recv(uint8 * type) |
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rdp_s = sec_recv(&rdpver); |
rdp_s = sec_recv(&rdpver); |
78 |
if (rdp_s == NULL) |
if (rdp_s == NULL) |
79 |
return NULL; |
return NULL; |
80 |
if (rdpver != 3) |
if (rdpver == 0xff) |
81 |
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{ |
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g_next_packet = rdp_s->end; |
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*type = 0; |
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return rdp_s; |
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} |
86 |
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else if (rdpver != 3) |
87 |
{ |
{ |
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/* rdp5_process should move g_next_packet ok */ |
/* rdp5_process should move g_next_packet ok */ |
89 |
rdp5_process(rdp_s); |
rdp5_process(rdp_s); |
159 |
void |
void |
160 |
rdp_out_unistr(STREAM s, char *string, int len) |
rdp_out_unistr(STREAM s, char *string, int len) |
161 |
{ |
{ |
162 |
int i = 0, j = 0; |
#ifdef HAVE_ICONV |
163 |
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size_t ibl = strlen(string), obl = len + 2; |
164 |
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static iconv_t iconv_h = (iconv_t) - 1; |
165 |
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char *pin = string, *pout = (char *) s->p; |
166 |
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|
167 |
len += 2; |
memset(pout, 0, len + 4); |
168 |
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|
169 |
while (i < len) |
if (g_iconv_works) |
170 |
{ |
{ |
171 |
s->p[i++] = string[j++]; |
if (iconv_h == (iconv_t) - 1) |
172 |
s->p[i++] = 0; |
{ |
173 |
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size_t i = 1, o = 4; |
174 |
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if ((iconv_h = iconv_open(WINDOWS_CODEPAGE, g_codepage)) == (iconv_t) - 1) |
175 |
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{ |
176 |
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warning("rdp_out_unistr: iconv_open[%s -> %s] fail %d\n", |
177 |
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g_codepage, WINDOWS_CODEPAGE, (int) iconv_h); |
178 |
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179 |
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g_iconv_works = False; |
180 |
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rdp_out_unistr(s, string, len); |
181 |
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return; |
182 |
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} |
183 |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &i, &pout, &o) == |
184 |
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(size_t) - 1) |
185 |
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{ |
186 |
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iconv_close(iconv_h); |
187 |
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iconv_h = (iconv_t) - 1; |
188 |
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warning("rdp_out_unistr: iconv(1) fail, errno %d\n", errno); |
189 |
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190 |
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g_iconv_works = False; |
191 |
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rdp_out_unistr(s, string, len); |
192 |
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return; |
193 |
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} |
194 |
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pin = string; |
195 |
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pout = (char *) s->p; |
196 |
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} |
197 |
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198 |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
199 |
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{ |
200 |
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iconv_close(iconv_h); |
201 |
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iconv_h = (iconv_t) - 1; |
202 |
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warning("rdp_out_unistr: iconv(2) fail, errno %d\n", errno); |
203 |
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204 |
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g_iconv_works = False; |
205 |
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rdp_out_unistr(s, string, len); |
206 |
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return; |
207 |
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} |
208 |
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209 |
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s->p += len + 2; |
210 |
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211 |
} |
} |
212 |
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else |
213 |
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#endif |
214 |
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{ |
215 |
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int i = 0, j = 0; |
216 |
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217 |
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len += 2; |
218 |
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219 |
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while (i < len) |
220 |
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{ |
221 |
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s->p[i++] = string[j++]; |
222 |
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s->p[i++] = 0; |
223 |
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} |
224 |
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|
225 |
s->p += len; |
s->p += len; |
226 |
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} |
227 |
} |
} |
228 |
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|
229 |
/* Input a string in Unicode |
/* Input a string in Unicode |
233 |
int |
int |
234 |
rdp_in_unistr(STREAM s, char *string, int uni_len) |
rdp_in_unistr(STREAM s, char *string, int uni_len) |
235 |
{ |
{ |
236 |
int i = 0; |
#ifdef HAVE_ICONV |
237 |
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size_t ibl = uni_len, obl = uni_len; |
238 |
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char *pin = (char *) s->p, *pout = string; |
239 |
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static iconv_t iconv_h = (iconv_t) - 1; |
240 |
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|
241 |
while (i < uni_len / 2) |
if (g_iconv_works) |
242 |
{ |
{ |
243 |
in_uint8a(s, &string[i++], 1); |
if (iconv_h == (iconv_t) - 1) |
244 |
in_uint8s(s, 1); |
{ |
245 |
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if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) |
246 |
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{ |
247 |
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warning("rdp_in_unistr: iconv_open[%s -> %s] fail %d\n", |
248 |
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WINDOWS_CODEPAGE, g_codepage, (int) iconv_h); |
249 |
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250 |
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g_iconv_works = False; |
251 |
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return rdp_in_unistr(s, string, uni_len); |
252 |
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} |
253 |
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} |
254 |
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255 |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
256 |
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{ |
257 |
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iconv_close(iconv_h); |
258 |
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iconv_h = (iconv_t) - 1; |
259 |
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warning("rdp_in_unistr: iconv fail, errno %d\n", errno); |
260 |
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261 |
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g_iconv_works = False; |
262 |
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return rdp_in_unistr(s, string, uni_len); |
263 |
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} |
264 |
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return pout - string; |
265 |
} |
} |
266 |
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else |
267 |
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#endif |
268 |
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{ |
269 |
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int i = 0; |
270 |
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|
271 |
return i - 1; |
while (i < uni_len / 2) |
272 |
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{ |
273 |
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in_uint8a(s, &string[i++], 1); |
274 |
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in_uint8s(s, 1); |
275 |
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} |
276 |
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277 |
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return i - 1; |
278 |
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} |
279 |
} |
} |
280 |
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281 |
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|
493 |
rdp_enum_bmpcache2(void) |
rdp_enum_bmpcache2(void) |
494 |
{ |
{ |
495 |
STREAM s; |
STREAM s; |
496 |
uint8 idlist[BMPCACHE2_NUM_PSTCELLS * sizeof(BITMAP_ID)]; |
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
497 |
uint32 nids, offset, count, flags; |
uint32 num_keys, offset, count, flags; |
498 |
|
|
499 |
offset = 0; |
offset = 0; |
500 |
nids = pstcache_enumerate(2, idlist); |
num_keys = pstcache_enumerate(2, keylist); |
501 |
|
|
502 |
while (offset < nids) |
while (offset < num_keys) |
503 |
{ |
{ |
504 |
count = MIN(nids - offset, 169); |
count = MIN(num_keys - offset, 169); |
505 |
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|
506 |
s = rdp_init_data(24 + count * sizeof(BITMAP_ID)); |
s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
507 |
|
|
508 |
flags = 0; |
flags = 0; |
509 |
if (offset == 0) |
if (offset == 0) |
510 |
flags |= PDU_FLAG_FIRST; |
flags |= PDU_FLAG_FIRST; |
511 |
if (nids - offset <= 169) |
if (num_keys - offset <= 169) |
512 |
flags |= PDU_FLAG_LAST; |
flags |= PDU_FLAG_LAST; |
513 |
|
|
514 |
/* header */ |
/* header */ |
518 |
out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
519 |
out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
520 |
out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
521 |
out_uint16_le(s, nids); |
out_uint16_le(s, num_keys); |
522 |
out_uint32_le(s, 0); |
out_uint32_le(s, 0); |
523 |
out_uint32_le(s, flags); |
out_uint32_le(s, flags); |
524 |
|
|
525 |
/* list */ |
/* list */ |
526 |
out_uint8a(s, idlist + offset * sizeof(BITMAP_ID), |
out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
|
count * sizeof(BITMAP_ID)); |
|
527 |
|
|
528 |
s_mark_end(s); |
s_mark_end(s); |
529 |
rdp_send_data(s, 0x2b); |
rdp_send_data(s, 0x2b); |
602 |
{ |
{ |
603 |
uint8 order_caps[32]; |
uint8 order_caps[32]; |
604 |
|
|
|
|
|
605 |
memset(order_caps, 0, 32); |
memset(order_caps, 0, 32); |
606 |
order_caps[0] = 1; /* dest blt */ |
order_caps[0] = 1; /* dest blt */ |
607 |
order_caps[1] = 1; /* pat blt */ |
order_caps[1] = 1; /* pat blt */ |
608 |
order_caps[2] = 1; /* screen blt */ |
order_caps[2] = 1; /* screen blt */ |
609 |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
610 |
|
order_caps[4] = 0; /* triblt */ |
611 |
order_caps[8] = 1; /* line */ |
order_caps[8] = 1; /* line */ |
612 |
order_caps[9] = 1; /* line */ |
order_caps[9] = 1; /* line */ |
613 |
order_caps[10] = 1; /* rect */ |
order_caps[10] = 1; /* rect */ |
614 |
order_caps[11] = (g_desktop_save == False ? 0 : 1); /* desksave */ |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
615 |
order_caps[13] = 1; /* memblt */ |
order_caps[13] = 1; /* memblt */ |
616 |
order_caps[14] = 1; /* triblt */ |
order_caps[14] = 1; /* triblt */ |
617 |
|
order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
618 |
|
order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
619 |
order_caps[22] = 1; /* polyline */ |
order_caps[22] = 1; /* polyline */ |
620 |
|
order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
621 |
|
order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
622 |
order_caps[27] = 1; /* text2 */ |
order_caps[27] = 1; /* text2 */ |
623 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
out_uint16_le(s, RDP_CAPSET_ORDER); |
624 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
660 |
static void |
static void |
661 |
rdp_out_bmpcache2_caps(STREAM s) |
rdp_out_bmpcache2_caps(STREAM s) |
662 |
{ |
{ |
663 |
|
uint16 cellsize; |
664 |
|
|
665 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
666 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
667 |
|
|
668 |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
669 |
|
|
670 |
out_uint16_le(s, 0x0300); /* flags? number of caches? */ |
/* Cellsize: |
671 |
|
01 = 16x16, 02 = 32x32, 03 = 64x64 |
672 |
|
log2(cell size) - 3 |
673 |
|
*/ |
674 |
|
|
675 |
|
cellsize = 0x03; |
676 |
|
|
677 |
|
if (g_rdp_compression) |
678 |
|
{ |
679 |
|
switch (g_server_bpp) |
680 |
|
{ |
681 |
|
case 24: |
682 |
|
case 16: |
683 |
|
case 15: |
684 |
|
cellsize = 0x02; |
685 |
|
break; |
686 |
|
} |
687 |
|
} |
688 |
|
|
689 |
|
out_uint16_le(s, (0x0000 | (cellsize << 8))); /* flags? number of caches? */ |
690 |
|
|
691 |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
692 |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
698 |
{ |
{ |
699 |
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
700 |
} |
} |
701 |
out_uint8s(s, 20); /* other bitmap caches not used */ |
out_uint8s(s, 20); /* other bitmap caches not used */ |
702 |
} |
} |
703 |
|
|
704 |
/* Output control capability set */ |
/* Output control capability set */ |
789 |
|
|
790 |
/* Output unknown capability sets */ |
/* Output unknown capability sets */ |
791 |
static void |
static void |
792 |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 *caps) |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) |
793 |
{ |
{ |
794 |
out_uint16_le(s, id); |
out_uint16_le(s, id); |
795 |
out_uint16_le(s, length); |
out_uint16_le(s, length); |
809 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
810 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
811 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
812 |
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
813 |
4 /* w2k fix, why? */ ; |
4 /* w2k fix, why? */ ; |
814 |
|
|
815 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
837 |
rdp_out_pointer_caps(s); |
rdp_out_pointer_caps(s); |
838 |
rdp_out_share_caps(s); |
rdp_out_share_caps(s); |
839 |
|
|
840 |
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
841 |
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
842 |
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
843 |
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
844 |
|
|
845 |
s_mark_end(s); |
s_mark_end(s); |
846 |
sec_send(s, sec_flags); |
sec_send(s, sec_flags); |
847 |
} |
} |
885 |
if (g_width != width || g_height != height) |
if (g_width != width || g_height != height) |
886 |
{ |
{ |
887 |
warning("screen size changed from %dx%d to %dx%d\n", g_width, g_height, |
warning("screen size changed from %dx%d to %dx%d\n", g_width, g_height, |
888 |
width, height); |
width, height); |
889 |
g_width = width; |
g_width = width; |
890 |
g_height = height; |
g_height = height; |
891 |
ui_resize_window(); |
ui_resize_window(); |
1223 |
|
|
1224 |
if (ctype & RDP_MPPC_COMPRESSED) |
if (ctype & RDP_MPPC_COMPRESSED) |
1225 |
{ |
{ |
1226 |
|
if (len > RDP_MPPC_DICT_SIZE) |
1227 |
|
error("error decompressed packet size exceeds max\n"); |
1228 |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
1229 |
error("error while decompressing packet\n"); |
error("error while decompressing packet\n"); |
1230 |
|
|
1231 |
//len -= 18; |
/* len -= 18; */ |
1232 |
|
|
1233 |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
1234 |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |