4 * This contains all the functions needed to actually login.
12 * FIXME: Reimplement the TIS stuff.
14 #ifdef TIS_TELNET_PROXY
15 #include "tis_telnet_proxy.h"
18 int aim_sendconnack(struct aim_session_t *sess,
19 struct aim_conn_t *conn)
23 struct command_tx_struct *newpacket;
25 if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0001, conn, 4)))
30 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
31 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
34 return aim_tx_enqueue(sess, newpacket);
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).
46 int aim_request_login(struct aim_session_t *sess,
47 struct aim_conn_t *conn,
52 struct command_tx_struct *newpacket;
54 if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+2+2+strlen(sn))))
59 curbyte += aim_putsnac(newpacket->data+curbyte, 0x0017, 0x0006, 0x0000, 0x00010000);
60 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn);
63 return aim_tx_enqueue(sess, newpacket);
65 #endif /* SNACLOGIN */
68 * send_login(int socket, char *sn, char *password)
70 * This is the initial login request packet.
72 * The password is encoded before transmition, as per
73 * encode_password(). See that function for their
74 * stupid method of doing it.
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)
81 u_char *password_encoded = NULL; /* to store encoded password */
85 struct command_tx_struct *newpacket;
87 if (!clientinfo || !sn || !password)
90 if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152)))
94 * For ICQ logins, the client version must be at
95 * least as high as ICQ2000a.
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");
103 if (strlen(password) > 8) {
104 printf("faim: icq: password too long (8 char max)\n");
110 newpacket->commandlen = 10;
111 newpacket->commandlen += 2 + 2 + strlen(sn);
112 newpacket->commandlen += 2 + 2 + strlen(password);
113 newpacket->commandlen += 2 + 2 + strlen(clientinfo->clientstring);
114 newpacket->commandlen += 56;
118 curbyte = aim_putsnac(newpacket->data+curbyte, 0x0017, 0x0002, 0x0000, 0x00010000);
119 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn);
120 password_encoded = (u_char *) malloc(strlen(password));
121 aim_encode_password(password, password_encoded);
122 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0002, strlen(password), password_encoded);
123 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0003,
124 strlen(clientinfo->clientstring),
125 clientinfo->clientstring);
126 /* XXX: should use clientinfo provided version info */
127 curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0016, 0x0004);
128 curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0017, 0x0003);
129 curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0018, 0x0005);
130 curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0019, 0x0000);
131 curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x001a, 0x0686);
132 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, 0x0002, clientinfo->country);
133 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, 0x0002, clientinfo->lang);
134 curbyte+= aim_puttlv_32(newpacket->data+curbyte, 0x0014, 0x0000002a);
135 curbyte+= aim_puttlv_16(newpacket->data+curbyte, 0x0009, 0x0015);
138 newpacket->commandlen = 4 + 4 + strlen(sn) + 4+strlen(password) + 6;
140 newpacket->commandlen += 8; /* tlv 0x0014 */
143 if (strlen(clientinfo->clientstring))
144 newpacket->commandlen += 4+strlen(clientinfo->clientstring);
145 newpacket->commandlen += 6+6+6+6;
146 if (strlen(clientinfo->country))
147 newpacket->commandlen += 4+strlen(clientinfo->country);
148 if (strlen(clientinfo->lang))
149 newpacket->commandlen += 4+strlen(clientinfo->lang);
153 newpacket->hdr.oscar.type = 0x01;
155 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
156 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
157 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
158 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(sn));
159 curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn));
161 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
162 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(password));
163 password_encoded = (char *) malloc(strlen(password));
164 aim_encode_password(password, password_encoded);
165 curbyte += aimutil_putstr(newpacket->data+curbyte, password_encoded, strlen(password));
166 free(password_encoded);
168 if (strlen(clientinfo->clientstring)) {
169 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
170 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(clientinfo->clientstring));
171 curbyte += aimutil_putstr(newpacket->data+curbyte, clientinfo->clientstring, strlen(clientinfo->clientstring));
173 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0016, /*0x010a*/ 0x0004);
174 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0017, clientinfo->major /*0x0001*/);
175 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0018, clientinfo->minor /*0x0001*/);
176 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0019, 0x0001);
177 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x001a, clientinfo->build /*0x0013*/);
179 curbyte += aim_puttlv_32(newpacket->data+curbyte, 0x0014, 0x00000055);
181 if (strlen(clientinfo->country)) {
182 curbyte += aimutil_put16(newpacket->data+curbyte, 0x000e);
183 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(clientinfo->country));
184 curbyte += aimutil_putstr(newpacket->data+curbyte, clientinfo->country, strlen(clientinfo->country));
186 if (strlen(clientinfo->lang)) {
187 curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
188 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(clientinfo->lang));
189 curbyte += aimutil_putstr(newpacket->data+curbyte, clientinfo->lang, strlen(clientinfo->lang));
195 return aim_tx_enqueue(sess, newpacket);
199 * int encode_password(
200 * const char *password,
204 * This takes a const pointer to a (null terminated) string
205 * containing the unencoded password. It also gets passed
206 * an already allocated buffer to store the encoded password.
207 * This buffer should be the exact length of the password without
208 * the null. The encoded password buffer IS NOT NULL TERMINATED.
210 * The encoding_table seems to be a fixed set of values. We'll
211 * hope it doesn't change over time!
214 int aim_encode_password(const char *password, u_char *encoded)
216 u_char encoding_table[] = {
217 #if 0 /* old v1 table */
218 0xf3, 0xb3, 0x6c, 0x99,
219 0x95, 0x3f, 0xac, 0xb6,
220 0xc5, 0xfa, 0x6b, 0x63,
221 0x69, 0x6c, 0xc3, 0x9f
222 #else /* v2.1 table, also works for ICQ */
223 0xf3, 0x26, 0x81, 0xc4,
224 0x39, 0x86, 0xdb, 0x92,
225 0x71, 0xa3, 0xb9, 0xe6,
226 0x53, 0x7a, 0x95, 0x7c
232 for (i = 0; i < strlen(password); i++)
233 encoded[i] = (password[i] ^ encoding_table[i]);
239 * This is sent back as a general response to the login command.
240 * It can be either an error or a success, depending on the
241 * precense of certain TLVs.
243 * The client should check the value of logininfo->errorcode. If
244 * its nonzero, there was an error.
247 int aim_authparse(struct aim_session_t *sess,
248 struct command_rx_struct *command)
250 struct aim_tlvlist_t *tlvlist;
253 rxcallback_t userfunc = NULL;
255 memset(&sess->logininfo, 0x00, sizeof(sess->logininfo));
258 * Read block of TLVs. All further data is derived
259 * from what is parsed here.
262 tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10);
264 tlvlist = aim_readtlvchain(command->data, command->commandlen);
267 * No matter what, we should have a screen name.
269 sn = aim_gettlv_str(tlvlist, 0x0001, 1);
270 memcpy(sess->logininfo.screen_name, sn, strlen(sn));
271 sn[(strlen(sn))] = '\0';
274 * Check for an error code. If so, we should also
277 if (aim_gettlv(tlvlist, 0x0008, 1)) {
278 struct aim_tlv_t *errtlv;
279 errtlv = aim_gettlv(tlvlist, 0x0008, 1);
280 sess->logininfo.errorcode = aimutil_get16(errtlv->value);
281 sess->logininfo.errorurl = aim_gettlv_str(tlvlist, 0x0004, 1);
284 * If we have both an IP number (0x0005) and a cookie (0x0006),
285 * then the login was successful.
287 else if (aim_gettlv(tlvlist, 0x0005, 1) && aim_gettlv(tlvlist, 0x0006, 1)
288 /*aim_gettlv(tlvlist, 0x0006, 1)->length*/) {
289 struct aim_tlv_t *tmptlv;
292 * IP address of BOS server.
294 sess->logininfo.BOSIP = aim_gettlv_str(tlvlist, 0x0005, 1);
297 * Authorization Cookie
299 tmptlv = aim_gettlv(tlvlist, 0x0006, 1);
300 memcpy(sess->logininfo.cookie, tmptlv->value, AIM_COOKIELEN);
303 * The email address attached to this account
304 * Not available for ICQ logins.
306 if (aim_gettlv(tlvlist, 0x0011, 1))
307 sess->logininfo.email = aim_gettlv_str(tlvlist, 0x0011, 1);
310 * The registration status. (Not real sure what it means.)
311 * Not available for ICQ logins.
313 if ((tmptlv = aim_gettlv(tlvlist, 0x0013, 1)))
314 sess->logininfo.regstatus = aimutil_get16(tmptlv->value);
319 userfunc = aim_callhandler(command->conn, 0x0017, 0x0003);
321 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_AUTHSUCCESS);
324 ret = userfunc(sess, command);
326 aim_freetlvchain(&tlvlist);
328 /* These have been clobbered by the freetlvchain */
329 sess->logininfo.BOSIP = NULL;
330 sess->logininfo.email = NULL;
331 sess->logininfo.errorurl = NULL;
337 * Generate an authorization response.
339 * You probably don't want this unless you're writing an AIM server.
342 unsigned long aim_sendauthresp(struct aim_session_t *sess,
343 struct aim_conn_t *conn,
344 char *sn, char *bosip,
345 char *cookie, char *email,
348 struct command_tx_struct *tx;
349 struct aim_tlvlist_t *tlvlist = NULL;
351 if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0004, conn, 1152)))
357 aim_addtlvtochain_str(&tlvlist, 0x0001, sn, strlen(sn));
359 aim_addtlvtochain_str(&tlvlist, 0x0001, sess->logininfo.screen_name, strlen(sess->logininfo.screen_name));
361 if (sess->logininfo.errorcode) {
362 aim_addtlvtochain16(&tlvlist, 0x0008, sess->logininfo.errorcode);
363 aim_addtlvtochain_str(&tlvlist, 0x0004, sess->logininfo.errorurl, strlen(sess->logininfo.errorurl));
365 aim_addtlvtochain_str(&tlvlist, 0x0005, bosip, strlen(bosip));
366 aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN);
367 aim_addtlvtochain_str(&tlvlist, 0x0011, email, strlen(email));
368 aim_addtlvtochain16(&tlvlist, 0x0013, regstatus);
371 tx->commandlen = aim_writetlvchain(tx->data, tx->commandlen, &tlvlist);
373 return aim_tx_enqueue(sess, tx);
377 * Generate a random cookie. (Non-client use only)
379 int aim_gencookie(unsigned char *buf)
385 for (i=0; i < AIM_COOKIELEN; i++)
386 buf[i] = 1+(int) (256.0*rand()/(RAND_MAX+0.0));
392 * Send Server Ready. (Non-client)
394 int aim_sendserverready(struct aim_session_t *sess, struct aim_conn_t *conn)
396 struct command_tx_struct *tx;
399 if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+0x22)))
404 i += aim_putsnac(tx->data, 0x0001, 0x0003, 0x0000, sess->snac_nextid++);
406 i += aimutil_put16(tx->data+i, 0x0001);
407 i += aimutil_put16(tx->data+i, 0x0002);
408 i += aimutil_put16(tx->data+i, 0x0003);
409 i += aimutil_put16(tx->data+i, 0x0004);
410 i += aimutil_put16(tx->data+i, 0x0006);
411 i += aimutil_put16(tx->data+i, 0x0008);
412 i += aimutil_put16(tx->data+i, 0x0009);
413 i += aimutil_put16(tx->data+i, 0x000a);
414 i += aimutil_put16(tx->data+i, 0x000b);
415 i += aimutil_put16(tx->data+i, 0x000c);
416 i += aimutil_put16(tx->data+i, 0x0013);
417 i += aimutil_put16(tx->data+i, 0x0015);
421 return aim_tx_enqueue(sess, tx);
426 * Send service redirect. (Non-Client)
428 unsigned long aim_sendredirect(struct aim_session_t *sess,
429 struct aim_conn_t *conn,
430 unsigned short servid,
434 struct command_tx_struct *tx;
435 struct aim_tlvlist_t *tlvlist = NULL;
438 if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152)))
443 i += aimutil_put16(tx->data+i, 0x0001);
444 i += aimutil_put16(tx->data+i, 0x0005);
445 i += aimutil_put16(tx->data+i, 0x0000);
446 i += aimutil_put16(tx->data+i, 0x0000);
447 i += aimutil_put16(tx->data+i, 0x0000);
449 aim_addtlvtochain16(&tlvlist, 0x000d, servid);
450 aim_addtlvtochain_str(&tlvlist, 0x0005, ip, strlen(ip));
451 aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN);
453 tx->commandlen = aim_writetlvchain(tx->data+i, tx->commandlen-i, &tlvlist)+i;
454 aim_freetlvchain(&tlvlist);
457 return aim_tx_enqueue(sess, tx);