33 |
} |
} |
34 |
else |
else |
35 |
{ |
{ |
36 |
in_uint8(s, tag) |
in_uint8(s, tag)} |
|
} |
|
37 |
|
|
38 |
if (tag != tagval) |
if (tag != tagval) |
39 |
{ |
{ |
50 |
while (len--) |
while (len--) |
51 |
next_be(s, *length); |
next_be(s, *length); |
52 |
} |
} |
53 |
else *length = len; |
else |
54 |
|
*length = len; |
55 |
|
|
56 |
return s_check(s); |
return s_check(s); |
57 |
} |
} |
73 |
out_uint8(s, 0x82); |
out_uint8(s, 0x82); |
74 |
out_uint16_be(s, length); |
out_uint16_be(s, length); |
75 |
} |
} |
76 |
else out_uint8(s, length); |
else |
77 |
|
out_uint8(s, length); |
78 |
} |
} |
79 |
|
|
80 |
/* Output an ASN.1 BER integer */ |
/* Output an ASN.1 BER integer */ |
86 |
|
|
87 |
/* Output a DOMAIN_PARAMS structure (ASN.1 BER) */ |
/* Output a DOMAIN_PARAMS structure (ASN.1 BER) */ |
88 |
static void mcs_out_domain_params(STREAM s, int max_channels, int max_users, |
static void mcs_out_domain_params(STREAM s, int max_channels, int max_users, |
89 |
int max_tokens, int max_pdusize) |
int max_tokens, int max_pdusize) |
90 |
{ |
{ |
91 |
ber_out_header(s, MCS_TAG_DOMAIN_PARAMS, 32); |
ber_out_header(s, MCS_TAG_DOMAIN_PARAMS, 32); |
92 |
ber_out_integer(s, max_channels); |
ber_out_integer(s, max_channels); |
93 |
ber_out_integer(s, max_users); |
ber_out_integer(s, max_users); |
94 |
ber_out_integer(s, max_tokens); |
ber_out_integer(s, max_tokens); |
95 |
ber_out_integer(s, 1); /* num_priorities */ |
ber_out_integer(s, 1); /* num_priorities */ |
96 |
ber_out_integer(s, 0); /* min_throughput */ |
ber_out_integer(s, 0); /* min_throughput */ |
97 |
ber_out_integer(s, 1); /* max_height */ |
ber_out_integer(s, 1); /* max_height */ |
98 |
ber_out_integer(s, max_pdusize); |
ber_out_integer(s, max_pdusize); |
99 |
ber_out_integer(s, 2); /* ver_protocol */ |
ber_out_integer(s, 2); /* ver_protocol */ |
100 |
} |
} |
101 |
|
|
102 |
/* Parse a DOMAIN_PARAMS structure (ASN.1 BER) */ |
/* Parse a DOMAIN_PARAMS structure (ASN.1 BER) */ |
114 |
static void mcs_send_connect_initial(STREAM mcs_data) |
static void mcs_send_connect_initial(STREAM mcs_data) |
115 |
{ |
{ |
116 |
int datalen = mcs_data->end - mcs_data->data; |
int datalen = mcs_data->end - mcs_data->data; |
117 |
int length = 7 + 3*34 + 4 + datalen; |
int length = 7 + 3 * 34 + 4 + datalen; |
118 |
STREAM s; |
STREAM s; |
119 |
|
|
120 |
s = iso_init(length + 5); |
s = iso_init(length + 5); |
121 |
|
|
122 |
ber_out_header(s, MCS_CONNECT_INITIAL, length); |
ber_out_header(s, MCS_CONNECT_INITIAL, length); |
123 |
ber_out_header(s, BER_TAG_OCTET_STRING, 0); /* calling domain */ |
ber_out_header(s, BER_TAG_OCTET_STRING, 0); /* calling domain */ |
124 |
ber_out_header(s, BER_TAG_OCTET_STRING, 0); /* called domain */ |
ber_out_header(s, BER_TAG_OCTET_STRING, 0); /* called domain */ |
125 |
|
|
126 |
ber_out_header(s, BER_TAG_BOOLEAN, 1); |
ber_out_header(s, BER_TAG_BOOLEAN, 1); |
127 |
out_uint8(s, 0xff); /* upward flag */ |
out_uint8(s, 0xff); /* upward flag */ |
128 |
|
|
129 |
mcs_out_domain_params(s, 2, 2, 0, 0xffff); /* target params */ |
mcs_out_domain_params(s, 2, 2, 0, 0xffff); /* target params */ |
130 |
mcs_out_domain_params(s, 1, 1, 1, 0x420); /* min params */ |
mcs_out_domain_params(s, 1, 1, 1, 0x420); /* min params */ |
131 |
mcs_out_domain_params(s, 0xffff, 0xfc17, 0xffff, 0xffff); /* max params */ |
mcs_out_domain_params(s, 0xffff, 0xfc17, 0xffff, 0xffff); /* max params */ |
132 |
|
|
133 |
ber_out_header(s, BER_TAG_OCTET_STRING, datalen); |
ber_out_header(s, BER_TAG_OCTET_STRING, datalen); |
134 |
out_uint8p(s, mcs_data->data, datalen); |
out_uint8p(s, mcs_data->data, datalen); |
159 |
} |
} |
160 |
|
|
161 |
ber_parse_header(s, BER_TAG_INTEGER, &length); |
ber_parse_header(s, BER_TAG_INTEGER, &length); |
162 |
in_uint8s(s, length); /* connect id */ |
in_uint8s(s, length); /* connect id */ |
163 |
mcs_parse_domain_params(s); |
mcs_parse_domain_params(s); |
164 |
|
|
165 |
ber_parse_header(s, BER_TAG_OCTET_STRING, &length); |
ber_parse_header(s, BER_TAG_OCTET_STRING, &length); |
184 |
s = iso_init(5); |
s = iso_init(5); |
185 |
|
|
186 |
out_uint8(s, (MCS_EDRQ << 2)); |
out_uint8(s, (MCS_EDRQ << 2)); |
187 |
out_uint16_be(s, 1); /* height */ |
out_uint16_be(s, 1); /* height */ |
188 |
out_uint16_be(s, 1); /* interval */ |
out_uint16_be(s, 1); /* interval */ |
189 |
|
|
190 |
s_mark_end(s); |
s_mark_end(s); |
191 |
iso_send(s); |
iso_send(s); |
273 |
return False; |
return False; |
274 |
} |
} |
275 |
|
|
276 |
in_uint8s(s, 4); /* mcs_userid, req_chanid */ |
in_uint8s(s, 4); /* mcs_userid, req_chanid */ |
277 |
if (opcode & 2) |
if (opcode & 2) |
278 |
in_uint8s(s, 2); /* join_chanid */ |
in_uint8s(s, 2); /* join_chanid */ |
279 |
|
|
280 |
return s_check_end(s); |
return s_check_end(s); |
281 |
} |
} |
303 |
out_uint8(s, (MCS_SDRQ << 2)); |
out_uint8(s, (MCS_SDRQ << 2)); |
304 |
out_uint16_be(s, mcs_userid); |
out_uint16_be(s, mcs_userid); |
305 |
out_uint16_be(s, MCS_GLOBAL_CHANNEL); |
out_uint16_be(s, MCS_GLOBAL_CHANNEL); |
306 |
out_uint8(s, 0x70); /* flags */ |
out_uint8(s, 0x70); /* flags */ |
307 |
out_uint16_be(s, length); |
out_uint16_be(s, length); |
308 |
|
|
309 |
iso_send(s); |
iso_send(s); |
330 |
return NULL; |
return NULL; |
331 |
} |
} |
332 |
|
|
333 |
in_uint8s(s, 5); /* userid, chanid, flags */ |
in_uint8s(s, 5); /* userid, chanid, flags */ |
334 |
in_uint8(s, length); |
in_uint8(s, length); |
335 |
if (length & 0x80) |
if (length & 0x80) |
336 |
in_uint8s(s, 1); /* second byte of length */ |
in_uint8s(s, 1); /* second byte of length */ |
337 |
|
|
338 |
return s; |
return s; |
339 |
} |
} |
364 |
|
|
365 |
return True; |
return True; |
366 |
|
|
367 |
error: |
error: |
368 |
iso_disconnect(); |
iso_disconnect(); |
369 |
return False; |
return False; |
370 |
} |
} |