1 |
/* |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
Protocol services - Multipoint Communications Service |
Protocol services - Multipoint Communications Service |
4 |
Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2002 |
21 |
#include "rdesktop.h" |
#include "rdesktop.h" |
22 |
|
|
23 |
uint16 mcs_userid; |
uint16 mcs_userid; |
24 |
|
extern BOOL use_rdp5; |
25 |
|
|
26 |
/* Parse an ASN.1 BER header */ |
/* Parse an ASN.1 BER header */ |
27 |
static BOOL |
static BOOL |
120 |
mcs_send_connect_initial(STREAM mcs_data) |
mcs_send_connect_initial(STREAM mcs_data) |
121 |
{ |
{ |
122 |
int datalen = mcs_data->end - mcs_data->data; |
int datalen = mcs_data->end - mcs_data->data; |
123 |
int length = 7 + 3 * 34 + 4 + datalen; |
int length = 9 + 3 * 34 + 4 + datalen; |
124 |
STREAM s; |
STREAM s; |
125 |
|
|
126 |
s = iso_init(length + 5); |
s = iso_init(length + 5); |
127 |
|
|
128 |
ber_out_header(s, MCS_CONNECT_INITIAL, length); |
ber_out_header(s, MCS_CONNECT_INITIAL, length); |
129 |
ber_out_header(s, BER_TAG_OCTET_STRING, 0); /* calling domain */ |
ber_out_header(s, BER_TAG_OCTET_STRING, 1); /* calling domain */ |
130 |
ber_out_header(s, BER_TAG_OCTET_STRING, 0); /* called domain */ |
out_uint8(s, 1); |
131 |
|
ber_out_header(s, BER_TAG_OCTET_STRING, 1); /* called domain */ |
132 |
|
out_uint8(s, 1); |
133 |
|
|
134 |
ber_out_header(s, BER_TAG_BOOLEAN, 1); |
ber_out_header(s, BER_TAG_BOOLEAN, 1); |
135 |
out_uint8(s, 0xff); /* upward flag */ |
out_uint8(s, 0xff); /* upward flag */ |
136 |
|
|
137 |
mcs_out_domain_params(s, 2, 2, 0, 0xffff); /* target params */ |
mcs_out_domain_params(s, 34, 2, 0, 0xffff); /* target params */ |
138 |
mcs_out_domain_params(s, 1, 1, 1, 0x420); /* min params */ |
mcs_out_domain_params(s, 1, 1, 1, 0x420); /* min params */ |
139 |
mcs_out_domain_params(s, 0xffff, 0xfc17, 0xffff, 0xffff); /* max params */ |
mcs_out_domain_params(s, 0xffff, 0xfc17, 0xffff, 0xffff); /* max params */ |
140 |
|
|
172 |
mcs_parse_domain_params(s); |
mcs_parse_domain_params(s); |
173 |
|
|
174 |
ber_parse_header(s, BER_TAG_OCTET_STRING, &length); |
ber_parse_header(s, BER_TAG_OCTET_STRING, &length); |
|
if (length > mcs_data->size) |
|
|
{ |
|
|
error("MCS data length %d\n", length); |
|
|
length = mcs_data->size; |
|
|
} |
|
|
|
|
|
in_uint8a(s, mcs_data->data, length); |
|
|
mcs_data->p = mcs_data->data; |
|
|
mcs_data->end = mcs_data->data + length; |
|
175 |
|
|
176 |
|
sec_process_mcs_data(s); |
177 |
|
/* |
178 |
|
if (length > mcs_data->size) |
179 |
|
{ |
180 |
|
error("MCS data length %d, expected %d\n", length, |
181 |
|
mcs_data->size); |
182 |
|
length = mcs_data->size; |
183 |
|
} |
184 |
|
|
185 |
|
in_uint8a(s, mcs_data->data, length); |
186 |
|
mcs_data->p = mcs_data->data; |
187 |
|
mcs_data->end = mcs_data->data + length; |
188 |
|
*/ |
189 |
return s_check_end(s); |
return s_check_end(s); |
190 |
} |
} |
191 |
|
|
331 |
|
|
332 |
/* Receive an MCS transport data packet */ |
/* Receive an MCS transport data packet */ |
333 |
STREAM |
STREAM |
334 |
mcs_recv(void) |
mcs_recv(uint16 * channel) |
335 |
{ |
{ |
336 |
uint8 opcode, appid, length; |
uint8 opcode, appid, length; |
337 |
STREAM s; |
STREAM s; |
351 |
return NULL; |
return NULL; |
352 |
} |
} |
353 |
|
|
354 |
in_uint8s(s, 5); /* userid, chanid, flags */ |
in_uint8s(s, 2); /* userid */ |
355 |
|
in_uint16_be(s, *channel); |
356 |
|
in_uint8s(s, 1); /* flags */ |
357 |
in_uint8(s, length); |
in_uint8(s, length); |
358 |
if (length & 0x80) |
if (length & 0x80) |
359 |
in_uint8s(s, 1); /* second byte of length */ |
in_uint8s(s, 1); /* second byte of length */ |
363 |
|
|
364 |
/* Establish a connection up to the MCS layer */ |
/* Establish a connection up to the MCS layer */ |
365 |
BOOL |
BOOL |
366 |
mcs_connect(char *server, STREAM mcs_data) |
mcs_connect(char *server, STREAM mcs_data, char *username) |
367 |
{ |
{ |
368 |
if (!iso_connect(server)) |
if (!iso_connect(server, username)) |
369 |
return False; |
return False; |
370 |
|
|
371 |
mcs_send_connect_initial(mcs_data); |
mcs_send_connect_initial(mcs_data); |
386 |
if (!mcs_recv_cjcf()) |
if (!mcs_recv_cjcf()) |
387 |
goto error; |
goto error; |
388 |
|
|
389 |
|
if (use_rdp5) |
390 |
|
{ |
391 |
|
/* Note: If we send this cjrq after telling the server we support RDP4 only, |
392 |
|
the server won't respond with a cjcf and we will hang. */ |
393 |
|
mcs_send_cjrq(MCS_GLOBAL_CHANNEL + 1); /* hack - clipboard */ |
394 |
|
if (!mcs_recv_cjcf()) |
395 |
|
goto error; |
396 |
|
} |
397 |
|
|
398 |
return True; |
return True; |
399 |
|
|
400 |
error: |
error: |