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 |
|
|
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 |
*/ |
*/ |
20 |
|
|
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" |
25 |
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|
26 |
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#ifdef HAVE_ICONV |
27 |
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#ifdef HAVE_ICONV_H |
28 |
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#include <iconv.h> |
29 |
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#endif |
30 |
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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; |
48 |
extern int g_width; |
extern int g_width; |
49 |
extern int g_height; |
extern int g_height; |
50 |
extern BOOL g_bitmap_cache; |
extern BOOL g_bitmap_cache; |
51 |
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extern BOOL g_bitmap_cache_persist_enable; |
52 |
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|
53 |
uint8 *g_next_packet; |
uint8 *g_next_packet; |
54 |
uint32 g_rdp_shareid; |
uint32 g_rdp_shareid; |
59 |
static uint32 g_packetno; |
static uint32 g_packetno; |
60 |
#endif |
#endif |
61 |
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|
62 |
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#ifdef HAVE_ICONV |
63 |
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static BOOL g_iconv_works = True; |
64 |
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#endif |
65 |
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|
66 |
/* Receive an RDP packet */ |
/* Receive an RDP packet */ |
67 |
static STREAM |
static STREAM |
68 |
rdp_recv(uint8 * type) |
rdp_recv(uint8 * type) |
69 |
{ |
{ |
70 |
static STREAM rdp_s; |
static STREAM rdp_s; |
71 |
uint16 length, pdu_type; |
uint16 length, pdu_type; |
72 |
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uint8 rdpver; |
73 |
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|
74 |
if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end)) |
if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end)) |
75 |
{ |
{ |
76 |
rdp_s = sec_recv(); |
rdp_s = sec_recv(&rdpver); |
77 |
if (rdp_s == NULL) |
if (rdp_s == NULL) |
78 |
return NULL; |
return NULL; |
79 |
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if (rdpver == 0xff) |
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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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} |
85 |
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else if (rdpver != 3) |
86 |
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{ |
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/* rdp5_process should move g_next_packet ok */ |
88 |
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rdp5_process(rdp_s); |
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*type = 0; |
90 |
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return rdp_s; |
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} |
92 |
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|
93 |
g_next_packet = rdp_s->p; |
g_next_packet = rdp_s->p; |
94 |
} |
} |
158 |
void |
void |
159 |
rdp_out_unistr(STREAM s, char *string, int len) |
rdp_out_unistr(STREAM s, char *string, int len) |
160 |
{ |
{ |
161 |
int i = 0, j = 0; |
#ifdef HAVE_ICONV |
162 |
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size_t ibl = strlen(string), obl = len + 2; |
163 |
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static iconv_t iconv_h = (iconv_t) - 1; |
164 |
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char *pin = string, *pout = (char *) s->p; |
165 |
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|
166 |
len += 2; |
memset(pout, 0, len + 4); |
167 |
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|
168 |
while (i < len) |
if (g_iconv_works) |
169 |
{ |
{ |
170 |
s->p[i++] = string[j++]; |
if (iconv_h == (iconv_t) - 1) |
171 |
s->p[i++] = 0; |
{ |
172 |
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size_t i = 1, o = 4; |
173 |
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if ((iconv_h = iconv_open(WINDOWS_CODEPAGE, g_codepage)) == (iconv_t) - 1) |
174 |
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{ |
175 |
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warning("rdp_out_unistr: iconv_open[%s -> %s] fail %d\n", |
176 |
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g_codepage, WINDOWS_CODEPAGE, (int) iconv_h); |
177 |
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|
178 |
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g_iconv_works = False; |
179 |
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rdp_out_unistr(s, string, len); |
180 |
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return; |
181 |
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} |
182 |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &i, &pout, &o) == |
183 |
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(size_t) - 1) |
184 |
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{ |
185 |
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iconv_close(iconv_h); |
186 |
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iconv_h = (iconv_t) - 1; |
187 |
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warning("rdp_out_unistr: iconv(1) fail, errno %d\n", errno); |
188 |
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|
189 |
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g_iconv_works = False; |
190 |
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rdp_out_unistr(s, string, len); |
191 |
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return; |
192 |
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} |
193 |
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pin = string; |
194 |
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pout = (char *) s->p; |
195 |
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} |
196 |
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|
197 |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
198 |
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{ |
199 |
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iconv_close(iconv_h); |
200 |
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iconv_h = (iconv_t) - 1; |
201 |
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warning("rdp_out_unistr: iconv(2) fail, errno %d\n", errno); |
202 |
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|
203 |
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g_iconv_works = False; |
204 |
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rdp_out_unistr(s, string, len); |
205 |
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return; |
206 |
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} |
207 |
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|
208 |
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s->p += len + 2; |
209 |
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|
210 |
} |
} |
211 |
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else |
212 |
|
#endif |
213 |
|
{ |
214 |
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int i = 0, j = 0; |
215 |
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|
216 |
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len += 2; |
217 |
|
|
218 |
s->p += len; |
while (i < len) |
219 |
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{ |
220 |
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s->p[i++] = string[j++]; |
221 |
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s->p[i++] = 0; |
222 |
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} |
223 |
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|
224 |
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s->p += len; |
225 |
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} |
226 |
} |
} |
227 |
|
|
228 |
/* Input a string in Unicode |
/* Input a string in Unicode |
232 |
int |
int |
233 |
rdp_in_unistr(STREAM s, char *string, int uni_len) |
rdp_in_unistr(STREAM s, char *string, int uni_len) |
234 |
{ |
{ |
235 |
int i = 0; |
#ifdef HAVE_ICONV |
236 |
|
size_t ibl = uni_len, obl = uni_len; |
237 |
|
char *pin = (char *) s->p, *pout = string; |
238 |
|
static iconv_t iconv_h = (iconv_t) - 1; |
239 |
|
|
240 |
while (i < uni_len / 2) |
if (g_iconv_works) |
241 |
{ |
{ |
242 |
in_uint8a(s, &string[i++], 1); |
if (iconv_h == (iconv_t) - 1) |
243 |
in_uint8s(s, 1); |
{ |
244 |
|
if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) |
245 |
|
{ |
246 |
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warning("rdp_in_unistr: iconv_open[%s -> %s] fail %d\n", |
247 |
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WINDOWS_CODEPAGE, g_codepage, (int) iconv_h); |
248 |
|
|
249 |
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g_iconv_works = False; |
250 |
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return rdp_in_unistr(s, string, uni_len); |
251 |
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} |
252 |
|
} |
253 |
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|
254 |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
255 |
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{ |
256 |
|
iconv_close(iconv_h); |
257 |
|
iconv_h = (iconv_t) - 1; |
258 |
|
warning("rdp_in_unistr: iconv fail, errno %d\n", errno); |
259 |
|
|
260 |
|
g_iconv_works = False; |
261 |
|
return rdp_in_unistr(s, string, uni_len); |
262 |
|
} |
263 |
|
return pout - string; |
264 |
} |
} |
265 |
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else |
266 |
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#endif |
267 |
|
{ |
268 |
|
int i = 0; |
269 |
|
|
270 |
|
while (i < uni_len / 2) |
271 |
|
{ |
272 |
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in_uint8a(s, &string[i++], 1); |
273 |
|
in_uint8s(s, 1); |
274 |
|
} |
275 |
|
|
276 |
return i - 1; |
return i - 1; |
277 |
|
} |
278 |
} |
} |
279 |
|
|
280 |
|
|
487 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
488 |
} |
} |
489 |
|
|
490 |
|
/* Inform the server on the contents of the persistent bitmap cache */ |
491 |
|
static void |
492 |
|
rdp_enum_bmpcache2(void) |
493 |
|
{ |
494 |
|
STREAM s; |
495 |
|
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
496 |
|
uint32 num_keys, offset, count, flags; |
497 |
|
|
498 |
|
offset = 0; |
499 |
|
num_keys = pstcache_enumerate(2, keylist); |
500 |
|
|
501 |
|
while (offset < num_keys) |
502 |
|
{ |
503 |
|
count = MIN(num_keys - offset, 169); |
504 |
|
|
505 |
|
s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
506 |
|
|
507 |
|
flags = 0; |
508 |
|
if (offset == 0) |
509 |
|
flags |= PDU_FLAG_FIRST; |
510 |
|
if (num_keys - offset <= 169) |
511 |
|
flags |= PDU_FLAG_LAST; |
512 |
|
|
513 |
|
/* header */ |
514 |
|
out_uint32_le(s, 0); |
515 |
|
out_uint16_le(s, count); |
516 |
|
out_uint16_le(s, 0); |
517 |
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out_uint16_le(s, 0); |
518 |
|
out_uint16_le(s, 0); |
519 |
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out_uint16_le(s, 0); |
520 |
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out_uint16_le(s, num_keys); |
521 |
|
out_uint32_le(s, 0); |
522 |
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out_uint32_le(s, flags); |
523 |
|
|
524 |
|
/* list */ |
525 |
|
out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
526 |
|
|
527 |
|
s_mark_end(s); |
528 |
|
rdp_send_data(s, 0x2b); |
529 |
|
|
530 |
|
offset += 169; |
531 |
|
} |
532 |
|
} |
533 |
|
|
534 |
/* Send an (empty) font information PDU */ |
/* Send an (empty) font information PDU */ |
535 |
static void |
static void |
536 |
rdp_send_fonts(uint16 seq) |
rdp_send_fonts(uint16 seq) |
601 |
{ |
{ |
602 |
uint8 order_caps[32]; |
uint8 order_caps[32]; |
603 |
|
|
|
|
|
604 |
memset(order_caps, 0, 32); |
memset(order_caps, 0, 32); |
605 |
order_caps[0] = 1; /* dest blt */ |
order_caps[0] = 1; /* dest blt */ |
606 |
order_caps[1] = 1; /* pat blt */ |
order_caps[1] = 1; /* pat blt */ |
607 |
order_caps[2] = 1; /* screen blt */ |
order_caps[2] = 1; /* screen blt */ |
608 |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
609 |
|
order_caps[4] = 0; /* triblt */ |
610 |
order_caps[8] = 1; /* line */ |
order_caps[8] = 1; /* line */ |
611 |
order_caps[9] = 1; /* line */ |
order_caps[9] = 1; /* line */ |
612 |
order_caps[10] = 1; /* rect */ |
order_caps[10] = 1; /* rect */ |
613 |
order_caps[11] = (g_desktop_save == False ? 0 : 1); /* desksave */ |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
614 |
order_caps[13] = 1; /* memblt */ |
order_caps[13] = 1; /* memblt */ |
615 |
order_caps[14] = 1; /* triblt */ |
order_caps[14] = 1; /* triblt */ |
616 |
|
order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
617 |
|
order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
618 |
order_caps[22] = 1; /* polyline */ |
order_caps[22] = 1; /* polyline */ |
619 |
|
order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
620 |
|
order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
621 |
order_caps[27] = 1; /* text2 */ |
order_caps[27] = 1; /* text2 */ |
622 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
out_uint16_le(s, RDP_CAPSET_ORDER); |
623 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
655 |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
656 |
} |
} |
657 |
|
|
658 |
|
/* Output bitmap cache v2 capability set */ |
659 |
|
static void |
660 |
|
rdp_out_bmpcache2_caps(STREAM s) |
661 |
|
{ |
662 |
|
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
663 |
|
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
664 |
|
|
665 |
|
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
666 |
|
|
667 |
|
out_uint16_le(s, 0x0300); /* flags? number of caches? */ |
668 |
|
|
669 |
|
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
670 |
|
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
671 |
|
if (pstcache_init(2)) |
672 |
|
{ |
673 |
|
out_uint32_le(s, BMPCACHE2_NUM_PSTCELLS | BMPCACHE2_FLAG_PERSIST); |
674 |
|
} |
675 |
|
else |
676 |
|
{ |
677 |
|
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
678 |
|
} |
679 |
|
out_uint8s(s, 20); /* other bitmap caches not used */ |
680 |
|
} |
681 |
|
|
682 |
/* Output control capability set */ |
/* Output control capability set */ |
683 |
static void |
static void |
684 |
rdp_out_control_caps(STREAM s) |
rdp_out_control_caps(STREAM s) |
738 |
out_uint16(s, 0); /* pad */ |
out_uint16(s, 0); /* pad */ |
739 |
} |
} |
740 |
|
|
741 |
static uint8 canned_caps[] = { |
static uint8 caps_0x0d[] = { |
742 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x04, |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, |
743 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, |
0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
744 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
745 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
746 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
747 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
748 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
749 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
750 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
751 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
752 |
0x0C, 0x00, 0x08, 0x00, 0x01, |
0x00, 0x00, 0x00, 0x00 |
|
0x00, 0x00, 0x00, 0x0E, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, |
|
|
0x10, 0x00, 0x34, 0x00, 0xFE, |
|
|
0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x08, 0x00, |
|
|
0xFE, 0x00, 0x08, 0x00, 0xFE, |
|
|
0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, 0xFE, 0x00, 0x40, 0x00, |
|
|
0xFE, 0x00, 0x80, 0x00, 0xFE, |
|
|
0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x01, |
|
|
0x02, 0x00, 0x00, 0x00 |
|
753 |
}; |
}; |
754 |
|
|
755 |
/* Output unknown capability sets (number 13, 12, 14 and 16) */ |
static uint8 caps_0x0c[] = { 0x01, 0x00, 0x00, 0x00 }; |
756 |
|
|
757 |
|
static uint8 caps_0x0e[] = { 0x01, 0x00, 0x00, 0x00 }; |
758 |
|
|
759 |
|
static uint8 caps_0x10[] = { |
760 |
|
0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, |
761 |
|
0xFE, 0x00, 0x08, 0x00, 0xFE, 0x00, 0x08, 0x00, |
762 |
|
0xFE, 0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, |
763 |
|
0xFE, 0x00, 0x40, 0x00, 0xFE, 0x00, 0x80, 0x00, |
764 |
|
0xFE, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, |
765 |
|
0x00, 0x01, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00 |
766 |
|
}; |
767 |
|
|
768 |
|
/* Output unknown capability sets */ |
769 |
static void |
static void |
770 |
rdp_out_unknown_caps(STREAM s) |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) |
771 |
{ |
{ |
772 |
out_uint16_le(s, RDP_CAPSET_UNKNOWN); |
out_uint16_le(s, id); |
773 |
out_uint16_le(s, 0x58); |
out_uint16_le(s, length); |
774 |
|
|
775 |
out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN - 4); |
out_uint8p(s, caps, length - 4); |
776 |
} |
} |
777 |
|
|
778 |
#define RDP5_FLAG 0x0030 |
#define RDP5_FLAG 0x0030 |
786 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
787 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
788 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
789 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN + 4 /* w2k fix, why? */ ; |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
790 |
|
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
791 |
|
4 /* w2k fix, why? */ ; |
792 |
|
|
793 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
794 |
|
|
808 |
rdp_out_general_caps(s); |
rdp_out_general_caps(s); |
809 |
rdp_out_bitmap_caps(s); |
rdp_out_bitmap_caps(s); |
810 |
rdp_out_order_caps(s); |
rdp_out_order_caps(s); |
811 |
rdp_out_bmpcache_caps(s); |
g_use_rdp5 ? rdp_out_bmpcache2_caps(s) : rdp_out_bmpcache_caps(s); |
812 |
rdp_out_colcache_caps(s); |
rdp_out_colcache_caps(s); |
813 |
rdp_out_activate_caps(s); |
rdp_out_activate_caps(s); |
814 |
rdp_out_control_caps(s); |
rdp_out_control_caps(s); |
815 |
rdp_out_pointer_caps(s); |
rdp_out_pointer_caps(s); |
816 |
rdp_out_share_caps(s); |
rdp_out_share_caps(s); |
817 |
rdp_out_unknown_caps(s); |
|
818 |
|
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
819 |
|
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
820 |
|
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
821 |
|
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
822 |
|
|
823 |
s_mark_end(s); |
s_mark_end(s); |
824 |
sec_send(s, sec_flags); |
sec_send(s, sec_flags); |
863 |
if (g_width != width || g_height != height) |
if (g_width != width || g_height != height) |
864 |
{ |
{ |
865 |
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, |
866 |
width, height); |
width, height); |
867 |
g_width = width; |
g_width = width; |
868 |
g_height = height; |
g_height = height; |
869 |
ui_resize_window(); |
ui_resize_window(); |
870 |
} |
} |
871 |
} |
} |
872 |
|
|
873 |
/* Respond to a demand active PDU */ |
/* Process server capabilities */ |
874 |
static void |
void |
875 |
process_demand_active(STREAM s) |
rdp_process_server_caps(STREAM s, uint16 length) |
876 |
{ |
{ |
877 |
int n; |
int n; |
878 |
uint8 type, *next; |
uint8 *next, *start; |
879 |
uint16 len_src_descriptor, len_combined_caps, num_capsets, capset_type, capset_length; |
uint16 ncapsets, capset_type, capset_length; |
880 |
|
|
881 |
in_uint32_le(s, g_rdp_shareid); |
start = s->p; |
|
in_uint16_le(s, len_src_descriptor); |
|
|
in_uint16_le(s, len_combined_caps); |
|
|
in_uint8s(s, len_src_descriptor); |
|
882 |
|
|
883 |
in_uint16_le(s, num_capsets); |
in_uint16_le(s, ncapsets); |
884 |
in_uint8s(s, 2); /* pad */ |
in_uint8s(s, 2); /* pad */ |
885 |
|
|
886 |
DEBUG(("DEMAND_ACTIVE(id=0x%x,num_caps=%d)\n", g_rdp_shareid, num_capsets)); |
for (n = 0; n < ncapsets; n++) |
|
|
|
|
for (n = 0; n < num_capsets; n++) |
|
887 |
{ |
{ |
888 |
|
if (s->p > start + length) |
889 |
|
return; |
890 |
|
|
891 |
in_uint16_le(s, capset_type); |
in_uint16_le(s, capset_type); |
892 |
in_uint16_le(s, capset_length); |
in_uint16_le(s, capset_length); |
893 |
|
|
906 |
|
|
907 |
s->p = next; |
s->p = next; |
908 |
} |
} |
909 |
|
} |
910 |
|
|
911 |
|
/* Respond to a demand active PDU */ |
912 |
|
static void |
913 |
|
process_demand_active(STREAM s) |
914 |
|
{ |
915 |
|
uint8 type; |
916 |
|
uint16 len_src_descriptor, len_combined_caps; |
917 |
|
|
918 |
|
in_uint32_le(s, g_rdp_shareid); |
919 |
|
in_uint16_le(s, len_src_descriptor); |
920 |
|
in_uint16_le(s, len_combined_caps); |
921 |
|
in_uint8s(s, len_src_descriptor); |
922 |
|
|
923 |
|
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
924 |
|
rdp_process_server_caps(s, len_combined_caps); |
925 |
|
|
926 |
rdp_send_confirm_active(); |
rdp_send_confirm_active(); |
927 |
rdp_send_synchronise(); |
rdp_send_synchronise(); |
934 |
|
|
935 |
if (g_use_rdp5) |
if (g_use_rdp5) |
936 |
{ |
{ |
937 |
|
rdp_enum_bmpcache2(); |
938 |
rdp_send_fonts(3); |
rdp_send_fonts(3); |
939 |
} |
} |
940 |
else |
else |
1201 |
|
|
1202 |
if (ctype & RDP_MPPC_COMPRESSED) |
if (ctype & RDP_MPPC_COMPRESSED) |
1203 |
{ |
{ |
1204 |
|
if (len > RDP_MPPC_DICT_SIZE) |
1205 |
|
error("error decompressed packet size exceeds max\n"); |
1206 |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
1207 |
error("error while decompressing packet\n"); |
error("error while decompressing packet\n"); |
1208 |
|
|
1209 |
//len -= 18; |
/* len -= 18; */ |
1210 |
|
|
1211 |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
1212 |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
1259 |
} |
} |
1260 |
|
|
1261 |
/* Process incoming packets */ |
/* Process incoming packets */ |
1262 |
|
/* nevers gets out of here till app is done */ |
1263 |
void |
void |
1264 |
rdp_main_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
rdp_main_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
1265 |
{ |
{ |
1266 |
uint8 type; |
while (rdp_loop(deactivated, ext_disc_reason)) |
1267 |
BOOL disc = False; /* True when a disconnect PDU was received */ |
; |
|
STREAM s; |
|
|
|
|
|
while ((s = rdp_recv(&type)) != NULL) |
|
|
{ |
|
|
switch (type) |
|
|
{ |
|
|
case RDP_PDU_DEMAND_ACTIVE: |
|
|
process_demand_active(s); |
|
|
*deactivated = False; |
|
|
break; |
|
|
|
|
|
case RDP_PDU_DEACTIVATE: |
|
|
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
|
|
*deactivated = True; |
|
|
break; |
|
|
|
|
|
case RDP_PDU_DATA: |
|
|
disc = process_data_pdu(s, ext_disc_reason); |
|
|
break; |
|
|
|
|
|
case 0: |
|
|
break; |
|
|
|
|
|
default: |
|
|
unimpl("PDU %d\n", type); |
|
|
} |
|
|
|
|
|
if (disc) |
|
|
{ |
|
|
return; |
|
|
} |
|
|
} |
|
|
return; |
|
1268 |
} |
} |
1269 |
|
|
1270 |
/* used in uiports, processes the rdp packets waiting */ |
/* used in uiports and rdp_main_loop, processes the rdp packets waiting */ |
1271 |
BOOL |
BOOL |
1272 |
rdp_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
rdp_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
1273 |
{ |
{ |
1276 |
BOOL cont = True; |
BOOL cont = True; |
1277 |
STREAM s; |
STREAM s; |
1278 |
|
|
1279 |
while (cont) |
while (cont) |
1280 |
{ |
{ |
1281 |
s = rdp_recv(&type); |
s = rdp_recv(&type); |
1282 |
if (s == NULL) |
if (s == NULL) |