1 |
/* |
/* |
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 1999-2000 |
Copyright (C) Matthew Chapman 1999-2002 |
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 |
22 |
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|
23 |
extern uint16 mcs_userid; |
extern uint16 mcs_userid; |
24 |
extern char username[16]; |
extern char username[16]; |
25 |
|
extern BOOL bitmap_compression; |
26 |
extern BOOL orders; |
extern BOOL orders; |
27 |
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extern BOOL encryption; |
28 |
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extern BOOL desktop_save; |
29 |
|
|
30 |
unsigned char *next_packet; |
uint8 *next_packet; |
31 |
uint32 rdp_shareid; |
uint32 rdp_shareid; |
32 |
|
|
33 |
/* Initialise an RDP packet */ |
/* Initialise an RDP packet */ |
36 |
{ |
{ |
37 |
STREAM s; |
STREAM s; |
38 |
|
|
39 |
s = sec_init(SEC_ENCRYPT, maxlen + 6); |
s = sec_init(encryption ? SEC_ENCRYPT : 0, maxlen + 6); |
40 |
s_push_layer(s, rdp_hdr, 6); |
s_push_layer(s, rdp_hdr, 6); |
41 |
|
|
42 |
return s; |
return s; |
55 |
out_uint16_le(s, (pdu_type | 0x10)); /* Version 1 */ |
out_uint16_le(s, (pdu_type | 0x10)); /* Version 1 */ |
56 |
out_uint16_le(s, (mcs_userid + 1001)); |
out_uint16_le(s, (mcs_userid + 1001)); |
57 |
|
|
58 |
sec_send(s, SEC_ENCRYPT); |
sec_send(s, encryption ? SEC_ENCRYPT : 0); |
59 |
} |
} |
60 |
|
|
61 |
/* Receive an RDP packet */ |
/* Receive an RDP packet */ |
62 |
static STREAM |
static STREAM |
63 |
rdp_recv(uint8 *type) |
rdp_recv(uint8 * type) |
64 |
{ |
{ |
65 |
static STREAM rdp_s; |
static STREAM rdp_s; |
66 |
uint16 length, pdu_type; |
uint16 length, pdu_type; |
79 |
} |
} |
80 |
|
|
81 |
in_uint16_le(rdp_s, length); |
in_uint16_le(rdp_s, length); |
82 |
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/* 32k packets are really 8, keepalive fix */ |
83 |
|
if (length == 0x8000) |
84 |
|
{ |
85 |
|
next_packet += 8; |
86 |
|
*type = 0; |
87 |
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return rdp_s; |
88 |
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} |
89 |
in_uint16_le(rdp_s, pdu_type); |
in_uint16_le(rdp_s, pdu_type); |
90 |
in_uint8s(rdp_s, 2); /* userid */ |
in_uint8s(rdp_s, 2); /* userid */ |
|
|
|
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next_packet += length; |
|
91 |
*type = pdu_type & 0xf; |
*type = pdu_type & 0xf; |
92 |
|
|
93 |
#if RDP_DEBUG |
#if WITH_DEBUG |
94 |
DEBUG("RDP packet (type %x):\n", *type); |
DEBUG(("RDP packet (type %x):\n", *type)); |
95 |
hexdump(rdp_s->p, length); |
hexdump(next_packet, length); |
96 |
#endif |
#endif /* */ |
97 |
|
|
98 |
|
next_packet += length; |
99 |
return rdp_s; |
return rdp_s; |
100 |
} |
} |
101 |
|
|
105 |
{ |
{ |
106 |
STREAM s; |
STREAM s; |
107 |
|
|
108 |
s = sec_init(SEC_ENCRYPT, maxlen + 18); |
s = sec_init(encryption ? SEC_ENCRYPT : 0, maxlen + 18); |
109 |
s_push_layer(s, rdp_hdr, 18); |
s_push_layer(s, rdp_hdr, 18); |
110 |
|
|
111 |
return s; |
return s; |
127 |
out_uint32_le(s, rdp_shareid); |
out_uint32_le(s, rdp_shareid); |
128 |
out_uint8(s, 0); /* pad */ |
out_uint8(s, 0); /* pad */ |
129 |
out_uint8(s, 1); /* streamid */ |
out_uint8(s, 1); /* streamid */ |
130 |
out_uint16(s, (length - 14)); |
out_uint16_le(s, (length - 14)); |
131 |
out_uint8(s, data_pdu_type); |
out_uint8(s, data_pdu_type); |
132 |
out_uint8(s, 0); /* compress_type */ |
out_uint8(s, 0); /* compress_type */ |
133 |
out_uint16(s, 0); /* compress_len */ |
out_uint16(s, 0); /* compress_len */ |
134 |
|
|
135 |
sec_send(s, SEC_ENCRYPT); |
sec_send(s, encryption ? SEC_ENCRYPT : 0); |
136 |
} |
} |
137 |
|
|
138 |
/* Output a string in Unicode */ |
/* Output a string in Unicode */ |
162 |
int len_password = 2 * strlen(password); |
int len_password = 2 * strlen(password); |
163 |
int len_program = 2 * strlen(program); |
int len_program = 2 * strlen(program); |
164 |
int len_directory = 2 * strlen(directory); |
int len_directory = 2 * strlen(directory); |
165 |
uint32 sec_flags = SEC_LOGON_INFO | SEC_ENCRYPT; |
uint32 sec_flags = encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
166 |
STREAM s; |
STREAM s; |
167 |
|
|
168 |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
203 |
|
|
204 |
/* Send a synchronisation PDU */ |
/* Send a synchronisation PDU */ |
205 |
static void |
static void |
206 |
rdp_send_synchronise() |
rdp_send_synchronise(void) |
207 |
{ |
{ |
208 |
STREAM s; |
STREAM s; |
209 |
|
|
218 |
|
|
219 |
/* Send a single input event */ |
/* Send a single input event */ |
220 |
void |
void |
221 |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) |
|
uint16 param1, uint16 param2) |
|
222 |
{ |
{ |
223 |
STREAM s; |
STREAM s; |
224 |
|
|
281 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
282 |
|
|
283 |
out_uint16_le(s, 8); /* Preferred BPP */ |
out_uint16_le(s, 8); /* Preferred BPP */ |
284 |
out_uint16(s, 1); /* Receive 1 BPP */ |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
285 |
out_uint16(s, 1); /* Receive 4 BPP */ |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
286 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
287 |
out_uint16_le(s, 800); /* Desktop width */ |
out_uint16_le(s, 800); /* Desktop width */ |
288 |
out_uint16_le(s, 600); /* Desktop height */ |
out_uint16_le(s, 600); /* Desktop height */ |
289 |
out_uint16(s, 0); /* Pad */ |
out_uint16(s, 0); /* Pad */ |
290 |
out_uint16(s, 0); /* Allow resize */ |
out_uint16(s, 0); /* Allow resize */ |
291 |
out_uint16_le(s, 1); /* Support compression */ |
out_uint16_le(s, bitmap_compression ? 1 : 0); /* Support compression */ |
292 |
out_uint16(s, 0); /* Unknown */ |
out_uint16(s, 0); /* Unknown */ |
293 |
out_uint16_le(s, 1); /* Unknown */ |
out_uint16_le(s, 1); /* Unknown */ |
294 |
out_uint16(s, 0); /* Pad */ |
out_uint16(s, 0); /* Pad */ |
300 |
{ |
{ |
301 |
uint8 order_caps[32]; |
uint8 order_caps[32]; |
302 |
|
|
|
memset(order_caps, orders, 32); |
|
303 |
|
|
304 |
|
memset(order_caps, 0, 32); |
305 |
|
order_caps[0] = 1; /* dest blt */ |
306 |
|
order_caps[1] = 1; /* pat blt */ |
307 |
|
order_caps[2] = 1; /* screen blt */ |
308 |
|
order_caps[3] = 1; /* required for memblt? */ |
309 |
|
order_caps[8] = 1; /* line */ |
310 |
|
order_caps[9] = 1; /* line */ |
311 |
|
order_caps[10] = 1; /* rect */ |
312 |
|
order_caps[11] = (desktop_save == False ? 0 : 1); /* desksave */ |
313 |
|
order_caps[13] = 1; /* memblt */ |
314 |
|
order_caps[14] = 1; /* triblt */ |
315 |
|
order_caps[22] = 1; /* polyline */ |
316 |
|
order_caps[27] = 1; /* text2 */ |
317 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
out_uint16_le(s, RDP_CAPSET_ORDER); |
318 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
319 |
|
|
327 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
328 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
329 |
out_uint8s(s, 6); /* Pad */ |
out_uint8s(s, 6); /* Pad */ |
330 |
out_uint32(s, 0x38400); /* Desktop cache size */ |
out_uint32_le(s, desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
331 |
out_uint32(s, 0); /* Unknown */ |
out_uint32(s, 0); /* Unknown */ |
332 |
out_uint32(s, 0x4e4); /* Unknown */ |
out_uint32_le(s, 0x4e4); /* Unknown */ |
333 |
} |
} |
334 |
|
|
335 |
/* Output bitmap cache capability set */ |
/* Output bitmap cache capability set */ |
441 |
|
|
442 |
/* Send a confirm active PDU */ |
/* Send a confirm active PDU */ |
443 |
static void |
static void |
444 |
rdp_send_confirm_active() |
rdp_send_confirm_active(void) |
445 |
{ |
{ |
446 |
STREAM s; |
STREAM s; |
447 |
uint16 caplen = |
uint16 caplen = |
448 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
449 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
450 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
451 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN; |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN + 4 /* w2k fix, why? */ ; |
452 |
|
|
453 |
s = rdp_init(14 + caplen + sizeof(RDP_SOURCE)); |
s = rdp_init(14 + caplen + sizeof(RDP_SOURCE)); |
454 |
|
|
484 |
|
|
485 |
in_uint32_le(s, rdp_shareid); |
in_uint32_le(s, rdp_shareid); |
486 |
|
|
487 |
DEBUG("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid); |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid)); |
488 |
|
|
489 |
rdp_send_confirm_active(); |
rdp_send_confirm_active(); |
490 |
rdp_send_synchronise(); |
rdp_send_synchronise(); |
491 |
rdp_send_control(RDP_CTL_COOPERATE); |
rdp_send_control(RDP_CTL_COOPERATE); |
492 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
493 |
rdp_recv(&type); // RDP_PDU_SYNCHRONIZE |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
494 |
rdp_recv(&type); // RDP_CTL_COOPERATE |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
495 |
rdp_recv(&type); // RDP_CTL_GRANT_CONTROL |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
496 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); |
497 |
rdp_send_fonts(1); |
rdp_send_fonts(1); |
498 |
rdp_send_fonts(2); |
rdp_send_fonts(2); |
499 |
rdp_recv(&type); // RDP_PDU_UNKNOWN 0x28 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 */ |
500 |
reset_order_state(); |
reset_order_state(); |
501 |
} |
} |
502 |
|
|
505 |
process_pointer_pdu(STREAM s) |
process_pointer_pdu(STREAM s) |
506 |
{ |
{ |
507 |
uint16 message_type; |
uint16 message_type; |
508 |
uint16 x, y; |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
509 |
|
uint8 *mask, *data; |
510 |
|
HCURSOR cursor; |
511 |
|
|
512 |
in_uint16_le(s, message_type); |
in_uint16_le(s, message_type); |
513 |
in_uint8s(s, 2); /* pad */ |
in_uint8s(s, 2); /* pad */ |
521 |
ui_move_pointer(x, y); |
ui_move_pointer(x, y); |
522 |
break; |
break; |
523 |
|
|
524 |
|
case RDP_POINTER_COLOR: |
525 |
|
in_uint16_le(s, cache_idx); |
526 |
|
in_uint16_le(s, x); |
527 |
|
in_uint16_le(s, y); |
528 |
|
in_uint16_le(s, width); |
529 |
|
in_uint16_le(s, height); |
530 |
|
in_uint16_le(s, masklen); |
531 |
|
in_uint16_le(s, datalen); |
532 |
|
in_uint8p(s, data, datalen); |
533 |
|
in_uint8p(s, mask, masklen); |
534 |
|
cursor = ui_create_cursor(x, y, width, height, mask, data); |
535 |
|
ui_set_cursor(cursor); |
536 |
|
cache_put_cursor(cache_idx, cursor); |
537 |
|
break; |
538 |
|
|
539 |
|
case RDP_POINTER_CACHED: |
540 |
|
in_uint16_le(s, cache_idx); |
541 |
|
ui_set_cursor(cache_get_cursor(cache_idx)); |
542 |
|
break; |
543 |
|
|
544 |
default: |
default: |
545 |
DEBUG("Pointer message 0x%x\n", message_type); |
DEBUG(("Pointer message 0x%x\n", message_type)); |
546 |
} |
} |
547 |
} |
} |
548 |
|
|
553 |
uint16 num_updates; |
uint16 num_updates; |
554 |
uint16 left, top, right, bottom, width, height; |
uint16 left, top, right, bottom, width, height; |
555 |
uint16 cx, cy, bpp, compress, bufsize, size; |
uint16 cx, cy, bpp, compress, bufsize, size; |
556 |
uint8 *data, *rawdata; |
uint8 *data, *bmpdata; |
557 |
int i; |
int i; |
558 |
|
|
559 |
in_uint16_le(s, num_updates); |
in_uint16_le(s, num_updates); |
573 |
cx = right - left + 1; |
cx = right - left + 1; |
574 |
cy = bottom - top + 1; |
cy = bottom - top + 1; |
575 |
|
|
576 |
DEBUG("UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,cmp=%d)\n", |
DEBUG(("UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,cmp=%d)\n", |
577 |
left, top, right, bottom, width, height, compress); |
left, top, right, bottom, width, height, compress)); |
578 |
|
|
579 |
if (!compress) |
if (!compress) |
580 |
{ |
{ |
581 |
in_uint8p(s, data, bufsize); |
int y; |
582 |
ui_paint_bitmap(left, top, cx, cy, width, height, |
bmpdata = xmalloc(width * height); |
583 |
data); |
for (y = 0; y < height; y++) |
584 |
return; |
{ |
585 |
|
in_uint8a(s, &bmpdata[(height - y - 1) * width], width); |
586 |
|
} |
587 |
|
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
588 |
|
xfree(bmpdata); |
589 |
|
continue; |
590 |
} |
} |
591 |
|
|
592 |
in_uint8s(s, 2); /* pad */ |
in_uint8s(s, 2); /* pad */ |
594 |
in_uint8s(s, 4); /* line_size, final_size */ |
in_uint8s(s, 4); /* line_size, final_size */ |
595 |
in_uint8p(s, data, size); |
in_uint8p(s, data, size); |
596 |
|
|
597 |
rawdata = xmalloc(width * height); |
bmpdata = xmalloc(width * height); |
598 |
if (bitmap_decompress(rawdata, width, height, data, size)) |
if (bitmap_decompress(bmpdata, width, height, data, size)) |
599 |
{ |
{ |
600 |
ui_paint_bitmap(left, top, cx, cy, width, height, |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
|
rawdata); |
|
601 |
} |
} |
602 |
|
|
603 |
xfree(rawdata); |
xfree(bmpdata); |
604 |
} |
} |
605 |
} |
} |
606 |
|
|
608 |
static void |
static void |
609 |
process_palette(STREAM s) |
process_palette(STREAM s) |
610 |
{ |
{ |
611 |
HCOLOURMAP hmap; |
COLOURENTRY *entry; |
612 |
COLOURMAP map; |
COLOURMAP map; |
613 |
|
HCOLOURMAP hmap; |
614 |
|
int i; |
615 |
|
|
616 |
in_uint8s(s, 2); /* pad */ |
in_uint8s(s, 2); /* pad */ |
617 |
in_uint16_le(s, map.ncolours); |
in_uint16_le(s, map.ncolours); |
618 |
in_uint8s(s, 2); /* pad */ |
in_uint8s(s, 2); /* pad */ |
619 |
in_uint8p(s, (uint8 *) map.colours, (map.ncolours * 3)); |
|
620 |
|
map.colours = xmalloc(3 * map.ncolours); |
621 |
|
|
622 |
|
for (i = 0; i < map.ncolours; i++) |
623 |
|
{ |
624 |
|
entry = &map.colours[i]; |
625 |
|
in_uint8(s, entry->red); |
626 |
|
in_uint8(s, entry->green); |
627 |
|
in_uint8(s, entry->blue); |
628 |
|
} |
629 |
|
|
630 |
hmap = ui_create_colourmap(&map); |
hmap = ui_create_colourmap(&map); |
631 |
ui_set_colourmap(hmap); |
ui_set_colourmap(hmap); |
632 |
|
|
633 |
|
xfree(map.colours); |
634 |
} |
} |
635 |
|
|
636 |
/* Process an update PDU */ |
/* Process an update PDU */ |
659 |
break; |
break; |
660 |
|
|
661 |
default: |
default: |
662 |
NOTIMP("update %d\n", update_type); |
unimpl("update %d\n", update_type); |
663 |
} |
} |
664 |
|
|
665 |
} |
} |
693 |
break; |
break; |
694 |
|
|
695 |
default: |
default: |
696 |
NOTIMP("data PDU %d\n", data_pdu_type); |
unimpl("data PDU %d\n", data_pdu_type); |
697 |
} |
} |
698 |
} |
} |
699 |
|
|
700 |
/* Process incoming packets */ |
/* Process incoming packets */ |
701 |
void |
void |
702 |
rdp_main_loop() |
rdp_main_loop(void) |
703 |
{ |
{ |
704 |
uint8 type; |
uint8 type; |
705 |
STREAM s; |
STREAM s; |
719 |
process_data_pdu(s); |
process_data_pdu(s); |
720 |
break; |
break; |
721 |
|
|
722 |
|
case 0: |
723 |
|
break; |
724 |
|
|
725 |
default: |
default: |
726 |
NOTIMP("PDU %d\n", type); |
unimpl("PDU %d\n", type); |
727 |
} |
} |
728 |
} |
} |
729 |
} |
} |
736 |
if (!sec_connect(server)) |
if (!sec_connect(server)) |
737 |
return False; |
return False; |
738 |
|
|
739 |
rdp_send_logon_info(flags, domain, username, password, |
rdp_send_logon_info(flags, domain, username, password, command, directory); |
|
command, directory); |
|
740 |
return True; |
return True; |
741 |
} |
} |
742 |
|
|
743 |
/* Disconnect from the RDP layer */ |
/* Disconnect from the RDP layer */ |
744 |
void |
void |
745 |
rdp_disconnect() |
rdp_disconnect(void) |
746 |
{ |
{ |
747 |
sec_disconnect(); |
sec_disconnect(); |
748 |
} |
} |