]>
Commit | Line | Data |
---|---|---|
9de3ca7e | 1 | /* |
2 | * aim_login.c | |
3 | * | |
4 | * This contains all the functions needed to actually login. | |
5 | * | |
6 | */ | |
7 | ||
a25832e6 | 8 | #include <faim/aim.h> |
9de3ca7e | 9 | |
10 | ||
11 | /* | |
12 | * FIXME: Reimplement the TIS stuff. | |
13 | */ | |
14 | #ifdef TIS_TELNET_PROXY | |
15 | #include "tis_telnet_proxy.h" | |
16 | #endif | |
17 | ||
01b59e1e | 18 | int aim_sendconnack(struct aim_session_t *sess, |
19 | struct aim_conn_t *conn) | |
20 | { | |
21 | int curbyte=0; | |
22 | ||
5b79dc93 | 23 | struct command_tx_struct *newpacket; |
01b59e1e | 24 | |
b69540e3 | 25 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0001, conn, 4))) |
01b59e1e | 26 | return -1; |
27 | ||
5b79dc93 | 28 | newpacket->lock = 1; |
01b59e1e | 29 | |
5b79dc93 | 30 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); |
31 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
01b59e1e | 32 | |
5b79dc93 | 33 | newpacket->lock = 0; |
34 | return aim_tx_enqueue(sess, newpacket); | |
01b59e1e | 35 | } |
36 | ||
37 | #ifdef SNACLOGIN | |
38 | /* | |
39 | * In AIM 3.5 protocol, the first stage of login is to request | |
40 | * login from the Authorizer, passing it the screen name | |
41 | * for verification. If the name is invalid, a 0017/0003 | |
42 | * is spit back, with the standard error contents. If valid, | |
43 | * a 0017/0007 comes back, which is the signal to send | |
44 | * it the main login command (0017/0002). | |
45 | */ | |
46 | int aim_request_login(struct aim_session_t *sess, | |
47 | struct aim_conn_t *conn, | |
48 | char *sn) | |
49 | { | |
50 | int curbyte=0; | |
51 | ||
5b79dc93 | 52 | struct command_tx_struct *newpacket; |
01b59e1e | 53 | |
b69540e3 | 54 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+2+2+strlen(sn)))) |
5b79dc93 | 55 | return -1; |
01b59e1e | 56 | |
5b79dc93 | 57 | newpacket->lock = 1; |
01b59e1e | 58 | |
5b79dc93 | 59 | curbyte += aim_putsnac(newpacket->data+curbyte, 0x0017, 0x0006, 0x0000, 0x00010000); |
60 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn); | |
01b59e1e | 61 | |
5b79dc93 | 62 | newpacket->lock = 0; |
63 | return aim_tx_enqueue(sess, newpacket); | |
01b59e1e | 64 | } |
65 | #endif /* SNACLOGIN */ | |
66 | ||
9de3ca7e | 67 | /* |
24286d93 | 68 | * send_login(int socket, char *sn, char *password) |
9de3ca7e | 69 | * |
70 | * This is the initial login request packet. | |
71 | * | |
72 | * The password is encoded before transmition, as per | |
73 | * encode_password(). See that function for their | |
74 | * stupid method of doing it. | |
75 | * | |
9de3ca7e | 76 | */ |
a25832e6 | 77 | int aim_send_login (struct aim_session_t *sess, |
78 | struct aim_conn_t *conn, | |
79 | char *sn, char *password, struct client_info_s *clientinfo) | |
9de3ca7e | 80 | { |
a25832e6 | 81 | u_char *password_encoded = NULL; /* to store encoded password */ |
9de3ca7e | 82 | int curbyte=0; |
5e02cf44 | 83 | int icqmode = 0; |
84 | ||
5b79dc93 | 85 | struct command_tx_struct *newpacket; |
9de3ca7e | 86 | |
01b59e1e | 87 | if (!clientinfo || !sn || !password) |
88 | return -1; | |
89 | ||
b69540e3 | 90 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152))) |
5b79dc93 | 91 | return -1; |
9de3ca7e | 92 | |
5e02cf44 | 93 | /* |
94 | * For ICQ logins, the client version must be at | |
95 | * least as high as ICQ2000a. | |
96 | */ | |
97 | if ((sn[0] >= '0') && (sn[0] <= '9')) { | |
98 | icqmode = 1; /* needs a different password encoding */ | |
99 | if (clientinfo && (clientinfo->major < 4)) { | |
100 | printf("faim: icq: version must be at least 4.30.3141 for ICQ OSCAR login\n"); | |
5e02cf44 | 101 | } |
102 | if (strlen(password) > 8) { | |
103 | printf("faim: icq: password too long (8 char max)\n"); | |
5e02cf44 | 104 | } |
105 | } | |
106 | ||
01b59e1e | 107 | #ifdef SNACLOGIN |
5b79dc93 | 108 | newpacket->commandlen = 10; |
109 | newpacket->commandlen += 2 + 2 + strlen(sn); | |
110 | newpacket->commandlen += 2 + 2 + strlen(password); | |
111 | newpacket->commandlen += 2 + 2 + strlen(clientinfo->clientstring); | |
112 | newpacket->commandlen += 56; | |
01b59e1e | 113 | |
5b79dc93 | 114 | newpacket->lock = 1; |
01b59e1e | 115 | |
5b79dc93 | 116 | curbyte = aim_putsnac(newpacket->data+curbyte, 0x0017, 0x0002, 0x0000, 0x00010000); |
117 | curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn); | |
01b59e1e | 118 | password_encoded = (u_char *) malloc(strlen(password)); |
119 | aim_encode_password(password, password_encoded); | |
5b79dc93 | 120 | curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0002, strlen(password), password_encoded); |
121 | curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0003, | |
01b59e1e | 122 | strlen(clientinfo->clientstring), |
123 | clientinfo->clientstring); | |
124 | /* XXX: should use clientinfo provided version info */ | |
5b79dc93 | 125 | curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0016, 0x0004); |
126 | curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0017, 0x0003); | |
127 | curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0018, 0x0005); | |
128 | curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0019, 0x0000); | |
129 | curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x001a, 0x0686); | |
130 | curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, 0x0002, clientinfo->country); | |
131 | curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, 0x0002, clientinfo->lang); | |
132 | curbyte+= aim_puttlv_32(newpacket->data+curbyte, 0x0014, 0x0000002a); | |
133 | curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0009, 0x0015); | |
01b59e1e | 134 | #else |
135 | ||
5b79dc93 | 136 | newpacket->lock = 1; |
b69540e3 | 137 | newpacket->hdr.oscar.type = 0x01; |
9de3ca7e | 138 | |
13ebc4c4 | 139 | /* |
140 | * These four bytes are actually the FLAP version information. | |
141 | * They're sent here for convenience. I suppose they could | |
142 | * be seperated out into a seperate FLAP, but this is where | |
143 | * everyone else sends them. | |
144 | */ | |
5b79dc93 | 145 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); |
146 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
9de3ca7e | 147 | |
13ebc4c4 | 148 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn); |
149 | ||
9de3ca7e | 150 | password_encoded = (char *) malloc(strlen(password)); |
b69540e3 | 151 | aim_encode_password(password, password_encoded); |
13ebc4c4 | 152 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0002, strlen(password), password_encoded); |
9de3ca7e | 153 | free(password_encoded); |
154 | ||
13ebc4c4 | 155 | /* XXX is clientstring required by oscar? */ |
156 | if (strlen(clientinfo->clientstring)) | |
157 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0003, strlen(clientinfo->clientstring), clientinfo->clientstring); | |
158 | ||
159 | curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0016, clientinfo->major2); | |
160 | curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0017, clientinfo->major); | |
161 | curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0018, clientinfo->minor); | |
162 | curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0019, clientinfo->minor2); | |
163 | curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x001a, clientinfo->build); | |
164 | ||
165 | curbyte += aim_puttlv_32(newpacket->data+curbyte, 0x0014, clientinfo->unknown); | |
9de3ca7e | 166 | |
13ebc4c4 | 167 | if (strlen(clientinfo->country)) |
168 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000e, strlen(clientinfo->country), clientinfo->country); | |
169 | else | |
170 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000e, 2, "us"); | |
171 | ||
172 | if (strlen(clientinfo->lang)) | |
173 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000f, strlen(clientinfo->lang), clientinfo->lang); | |
174 | else | |
175 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000f, 2, "en"); | |
176 | ||
177 | newpacket->commandlen = curbyte; | |
01b59e1e | 178 | #endif |
9de3ca7e | 179 | |
5b79dc93 | 180 | newpacket->lock = 0; |
181 | return aim_tx_enqueue(sess, newpacket); | |
9de3ca7e | 182 | } |
9de3ca7e | 183 | |
184 | /* | |
185 | * int encode_password( | |
186 | * const char *password, | |
187 | * char *encoded | |
188 | * ); | |
189 | * | |
190 | * This takes a const pointer to a (null terminated) string | |
191 | * containing the unencoded password. It also gets passed | |
192 | * an already allocated buffer to store the encoded password. | |
193 | * This buffer should be the exact length of the password without | |
194 | * the null. The encoded password buffer IS NOT NULL TERMINATED. | |
195 | * | |
196 | * The encoding_table seems to be a fixed set of values. We'll | |
197 | * hope it doesn't change over time! | |
198 | * | |
199 | */ | |
a25832e6 | 200 | int aim_encode_password(const char *password, u_char *encoded) |
9de3ca7e | 201 | { |
202 | u_char encoding_table[] = { | |
b69540e3 | 203 | #if 0 /* old v1 table */ |
9de3ca7e | 204 | 0xf3, 0xb3, 0x6c, 0x99, |
205 | 0x95, 0x3f, 0xac, 0xb6, | |
206 | 0xc5, 0xfa, 0x6b, 0x63, | |
207 | 0x69, 0x6c, 0xc3, 0x9f | |
b69540e3 | 208 | #else /* v2.1 table, also works for ICQ */ |
5e02cf44 | 209 | 0xf3, 0x26, 0x81, 0xc4, |
b69540e3 | 210 | 0x39, 0x86, 0xdb, 0x92, |
211 | 0x71, 0xa3, 0xb9, 0xe6, | |
212 | 0x53, 0x7a, 0x95, 0x7c | |
213 | #endif | |
5e02cf44 | 214 | }; |
215 | ||
216 | int i; | |
b69540e3 | 217 | |
5e02cf44 | 218 | for (i = 0; i < strlen(password); i++) |
219 | encoded[i] = (password[i] ^ encoding_table[i]); | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
01b59e1e | 224 | /* |
225 | * This is sent back as a general response to the login command. | |
226 | * It can be either an error or a success, depending on the | |
227 | * precense of certain TLVs. | |
228 | * | |
229 | * The client should check the value of logininfo->errorcode. If | |
230 | * its nonzero, there was an error. | |
231 | * | |
232 | */ | |
233 | int aim_authparse(struct aim_session_t *sess, | |
234 | struct command_rx_struct *command) | |
235 | { | |
236 | struct aim_tlvlist_t *tlvlist; | |
237 | int ret = 1; | |
238 | char *sn; | |
239 | rxcallback_t userfunc = NULL; | |
240 | ||
241 | memset(&sess->logininfo, 0x00, sizeof(sess->logininfo)); | |
242 | ||
243 | /* | |
244 | * Read block of TLVs. All further data is derived | |
245 | * from what is parsed here. | |
246 | */ | |
247 | #ifdef SNACLOGIN | |
248 | tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10); | |
249 | #else | |
250 | tlvlist = aim_readtlvchain(command->data, command->commandlen); | |
251 | #endif | |
252 | /* | |
253 | * No matter what, we should have a screen name. | |
254 | */ | |
255 | sn = aim_gettlv_str(tlvlist, 0x0001, 1); | |
256 | memcpy(sess->logininfo.screen_name, sn, strlen(sn)); | |
257 | sn[(strlen(sn))] = '\0'; | |
258 | ||
259 | /* | |
260 | * Check for an error code. If so, we should also | |
261 | * have an error url. | |
262 | */ | |
5e02cf44 | 263 | if (aim_gettlv(tlvlist, 0x0008, 1)) { |
264 | struct aim_tlv_t *errtlv; | |
265 | errtlv = aim_gettlv(tlvlist, 0x0008, 1); | |
266 | sess->logininfo.errorcode = aimutil_get16(errtlv->value); | |
267 | sess->logininfo.errorurl = aim_gettlv_str(tlvlist, 0x0004, 1); | |
268 | } | |
01b59e1e | 269 | /* |
270 | * If we have both an IP number (0x0005) and a cookie (0x0006), | |
271 | * then the login was successful. | |
272 | */ | |
b69540e3 | 273 | else if (aim_gettlv(tlvlist, 0x0005, 1) && aim_gettlv(tlvlist, 0x0006, 1) |
274 | /*aim_gettlv(tlvlist, 0x0006, 1)->length*/) { | |
5e02cf44 | 275 | struct aim_tlv_t *tmptlv; |
276 | ||
277 | /* | |
278 | * IP address of BOS server. | |
279 | */ | |
280 | sess->logininfo.BOSIP = aim_gettlv_str(tlvlist, 0x0005, 1); | |
281 | ||
282 | /* | |
283 | * Authorization Cookie | |
284 | */ | |
285 | tmptlv = aim_gettlv(tlvlist, 0x0006, 1); | |
286 | memcpy(sess->logininfo.cookie, tmptlv->value, AIM_COOKIELEN); | |
287 | ||
288 | /* | |
289 | * The email address attached to this account | |
290 | * Not available for ICQ logins. | |
291 | */ | |
292 | if (aim_gettlv(tlvlist, 0x0011, 1)) | |
01b59e1e | 293 | sess->logininfo.email = aim_gettlv_str(tlvlist, 0x0011, 1); |
5e02cf44 | 294 | |
295 | /* | |
296 | * The registration status. (Not real sure what it means.) | |
297 | * Not available for ICQ logins. | |
298 | */ | |
299 | if ((tmptlv = aim_gettlv(tlvlist, 0x0013, 1))) | |
01b59e1e | 300 | sess->logininfo.regstatus = aimutil_get16(tmptlv->value); |
301 | ||
5e02cf44 | 302 | } |
01b59e1e | 303 | |
304 | #ifdef SNACLOGIN | |
305 | userfunc = aim_callhandler(command->conn, 0x0017, 0x0003); | |
306 | #else | |
307 | userfunc = aim_callhandler(command->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_AUTHSUCCESS); | |
308 | #endif | |
309 | if (userfunc) | |
310 | ret = userfunc(sess, command); | |
311 | ||
312 | aim_freetlvchain(&tlvlist); | |
313 | ||
314 | /* These have been clobbered by the freetlvchain */ | |
315 | sess->logininfo.BOSIP = NULL; | |
316 | sess->logininfo.email = NULL; | |
317 | sess->logininfo.errorurl = NULL; | |
318 | ||
319 | return ret; | |
320 | } | |
e6b05d80 | 321 | |
322 | /* | |
323 | * Generate an authorization response. | |
324 | * | |
325 | * You probably don't want this unless you're writing an AIM server. | |
326 | * | |
327 | */ | |
328 | unsigned long aim_sendauthresp(struct aim_session_t *sess, | |
329 | struct aim_conn_t *conn, | |
330 | char *sn, char *bosip, | |
331 | char *cookie, char *email, | |
332 | int regstatus) | |
333 | { | |
5b79dc93 | 334 | struct command_tx_struct *tx; |
e6b05d80 | 335 | struct aim_tlvlist_t *tlvlist = NULL; |
336 | ||
b69540e3 | 337 | if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0004, conn, 1152))) |
5b79dc93 | 338 | return -1; |
e6b05d80 | 339 | |
5b79dc93 | 340 | tx->lock = 1; |
e6b05d80 | 341 | |
342 | if (sn) | |
343 | aim_addtlvtochain_str(&tlvlist, 0x0001, sn, strlen(sn)); | |
344 | else | |
345 | aim_addtlvtochain_str(&tlvlist, 0x0001, sess->logininfo.screen_name, strlen(sess->logininfo.screen_name)); | |
346 | ||
347 | if (sess->logininfo.errorcode) { | |
348 | aim_addtlvtochain16(&tlvlist, 0x0008, sess->logininfo.errorcode); | |
349 | aim_addtlvtochain_str(&tlvlist, 0x0004, sess->logininfo.errorurl, strlen(sess->logininfo.errorurl)); | |
350 | } else { | |
351 | aim_addtlvtochain_str(&tlvlist, 0x0005, bosip, strlen(bosip)); | |
352 | aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN); | |
353 | aim_addtlvtochain_str(&tlvlist, 0x0011, email, strlen(email)); | |
354 | aim_addtlvtochain16(&tlvlist, 0x0013, regstatus); | |
355 | } | |
356 | ||
5b79dc93 | 357 | tx->commandlen = aim_writetlvchain(tx->data, tx->commandlen, &tlvlist); |
358 | tx->lock = 0; | |
359 | return aim_tx_enqueue(sess, tx); | |
e6b05d80 | 360 | } |
361 | ||
362 | /* | |
363 | * Generate a random cookie. (Non-client use only) | |
364 | */ | |
365 | int aim_gencookie(unsigned char *buf) | |
366 | { | |
367 | int i; | |
368 | ||
369 | srand(time(NULL)); | |
370 | ||
371 | for (i=0; i < AIM_COOKIELEN; i++) | |
372 | buf[i] = 1+(int) (256.0*rand()/(RAND_MAX+0.0)); | |
373 | ||
374 | return i; | |
375 | } | |
376 | ||
377 | /* | |
378 | * Send Server Ready. (Non-client) | |
379 | */ | |
380 | int aim_sendserverready(struct aim_session_t *sess, struct aim_conn_t *conn) | |
381 | { | |
5b79dc93 | 382 | struct command_tx_struct *tx; |
e6b05d80 | 383 | int i = 0; |
384 | ||
b69540e3 | 385 | if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+0x22))) |
5b79dc93 | 386 | return -1; |
e6b05d80 | 387 | |
5b79dc93 | 388 | tx->lock = 1; |
e6b05d80 | 389 | |
67c0bb2f | 390 | i += aim_putsnac(tx->data, 0x0001, 0x0003, 0x0000, sess->snac_nextid++); |
5b79dc93 | 391 | |
392 | i += aimutil_put16(tx->data+i, 0x0001); | |
393 | i += aimutil_put16(tx->data+i, 0x0002); | |
394 | i += aimutil_put16(tx->data+i, 0x0003); | |
395 | i += aimutil_put16(tx->data+i, 0x0004); | |
396 | i += aimutil_put16(tx->data+i, 0x0006); | |
397 | i += aimutil_put16(tx->data+i, 0x0008); | |
398 | i += aimutil_put16(tx->data+i, 0x0009); | |
399 | i += aimutil_put16(tx->data+i, 0x000a); | |
400 | i += aimutil_put16(tx->data+i, 0x000b); | |
401 | i += aimutil_put16(tx->data+i, 0x000c); | |
67c0bb2f | 402 | i += aimutil_put16(tx->data+i, 0x0013); |
403 | i += aimutil_put16(tx->data+i, 0x0015); | |
5b79dc93 | 404 | |
67c0bb2f | 405 | tx->commandlen = i; |
5b79dc93 | 406 | tx->lock = 0; |
5b79dc93 | 407 | return aim_tx_enqueue(sess, tx); |
e6b05d80 | 408 | } |
409 | ||
410 | ||
411 | /* | |
412 | * Send service redirect. (Non-Client) | |
413 | */ | |
414 | unsigned long aim_sendredirect(struct aim_session_t *sess, | |
415 | struct aim_conn_t *conn, | |
416 | unsigned short servid, | |
417 | char *ip, | |
418 | char *cookie) | |
419 | { | |
5b79dc93 | 420 | struct command_tx_struct *tx; |
e6b05d80 | 421 | struct aim_tlvlist_t *tlvlist = NULL; |
422 | int i = 0; | |
423 | ||
b69540e3 | 424 | if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152))) |
5b79dc93 | 425 | return -1; |
426 | ||
427 | tx->lock = 1; | |
e6b05d80 | 428 | |
13ebc4c4 | 429 | i += aim_putsnac(tx->data+i, 0x0001, 0x0005, 0x0000, 0x00000000); |
e6b05d80 | 430 | |
431 | aim_addtlvtochain16(&tlvlist, 0x000d, servid); | |
432 | aim_addtlvtochain_str(&tlvlist, 0x0005, ip, strlen(ip)); | |
433 | aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN); | |
434 | ||
5b79dc93 | 435 | tx->commandlen = aim_writetlvchain(tx->data+i, tx->commandlen-i, &tlvlist)+i; |
e6b05d80 | 436 | aim_freetlvchain(&tlvlist); |
437 | ||
5b79dc93 | 438 | tx->lock = 0; |
439 | return aim_tx_enqueue(sess, tx); | |
e6b05d80 | 440 | } |