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(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(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(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->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));
165 aimicq_encode_password(password, password_encoded);
167 aim_encode_password(password, password_encoded);
168 curbyte += aimutil_putstr(newpacket->data+curbyte, password_encoded, strlen(password));
169 free(password_encoded);
171 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0016, 0x010a /*0x0004*/);
173 if (strlen(clientinfo->clientstring)) {
174 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
175 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(clientinfo->clientstring));
176 curbyte += aimutil_putstr(newpacket->data+curbyte, clientinfo->clientstring, strlen(clientinfo->clientstring));
178 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0017, clientinfo->major /*0x0001*/);
179 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0018, clientinfo->minor /*0x0001*/);
180 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x0019, 0x0001);
181 curbyte += aim_puttlv_16(newpacket->data+curbyte, 0x001a, clientinfo->build /*0x0013*/);
183 curbyte += aim_puttlv_32(newpacket->data+curbyte, 0x0014, 0x00000055);
185 if (strlen(clientinfo->country)) {
186 curbyte += aimutil_put16(newpacket->data+curbyte, 0x000e);
187 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(clientinfo->country));
188 curbyte += aimutil_putstr(newpacket->data+curbyte, clientinfo->country, strlen(clientinfo->country));
190 if (strlen(clientinfo->lang)) {
191 curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
192 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(clientinfo->lang));
193 curbyte += aimutil_putstr(newpacket->data+curbyte, clientinfo->lang, strlen(clientinfo->lang));
199 return aim_tx_enqueue(sess, newpacket);
203 * int encode_password(
204 * const char *password,
208 * This takes a const pointer to a (null terminated) string
209 * containing the unencoded password. It also gets passed
210 * an already allocated buffer to store the encoded password.
211 * This buffer should be the exact length of the password without
212 * the null. The encoded password buffer IS NOT NULL TERMINATED.
214 * The encoding_table seems to be a fixed set of values. We'll
215 * hope it doesn't change over time!
218 int aim_encode_password(const char *password, u_char *encoded)
220 u_char encoding_table[] = {
221 0xf3, 0xb3, 0x6c, 0x99,
222 0x95, 0x3f, 0xac, 0xb6,
223 0xc5, 0xfa, 0x6b, 0x63,
224 0x69, 0x6c, 0xc3, 0x9f
229 for (i = 0; i < strlen(password); i++)
230 encoded[i] = (password[i] ^ encoding_table[i]);
236 * They changed the hash slightly for ICQ.
237 * This new hash may work for AIM too (though
238 * the max password length for ICQ is only
239 * eight characters, where its 16 with AIM).
242 int aimicq_encode_password(const char *password, u_char *encoded)
244 u_char encoding_table[] = {
245 0xf3, 0x26, 0x81, 0xc4,
246 0x39, 0x86, 0xdb, 0x92
251 if (strlen(password) > 8)
254 for (i = 0; i < strlen(password); i++)
255 encoded[i] = (password[i] ^ encoding_table[i]);
261 * This is sent back as a general response to the login command.
262 * It can be either an error or a success, depending on the
263 * precense of certain TLVs.
265 * The client should check the value of logininfo->errorcode. If
266 * its nonzero, there was an error.
269 int aim_authparse(struct aim_session_t *sess,
270 struct command_rx_struct *command)
272 struct aim_tlvlist_t *tlvlist;
275 rxcallback_t userfunc = NULL;
277 memset(&sess->logininfo, 0x00, sizeof(sess->logininfo));
280 * Read block of TLVs. All further data is derived
281 * from what is parsed here.
284 tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10);
286 tlvlist = aim_readtlvchain(command->data, command->commandlen);
289 * No matter what, we should have a screen name.
291 sn = aim_gettlv_str(tlvlist, 0x0001, 1);
292 memcpy(sess->logininfo.screen_name, sn, strlen(sn));
293 sn[(strlen(sn))] = '\0';
296 * Check for an error code. If so, we should also
299 if (aim_gettlv(tlvlist, 0x0008, 1)) {
300 struct aim_tlv_t *errtlv;
301 errtlv = aim_gettlv(tlvlist, 0x0008, 1);
302 sess->logininfo.errorcode = aimutil_get16(errtlv->value);
303 sess->logininfo.errorurl = aim_gettlv_str(tlvlist, 0x0004, 1);
306 * If we have both an IP number (0x0005) and a cookie (0x0006),
307 * then the login was successful.
309 else if (aim_gettlv(tlvlist, 0x0005, 1) && aim_gettlv(tlvlist, 0x0006, 1)) {
310 struct aim_tlv_t *tmptlv;
313 * IP address of BOS server.
315 sess->logininfo.BOSIP = aim_gettlv_str(tlvlist, 0x0005, 1);
318 * Authorization Cookie
320 tmptlv = aim_gettlv(tlvlist, 0x0006, 1);
321 memcpy(sess->logininfo.cookie, tmptlv->value, AIM_COOKIELEN);
324 * The email address attached to this account
325 * Not available for ICQ logins.
327 if (aim_gettlv(tlvlist, 0x0011, 1))
328 sess->logininfo.email = aim_gettlv_str(tlvlist, 0x0011, 1);
331 * The registration status. (Not real sure what it means.)
332 * Not available for ICQ logins.
334 if ((tmptlv = aim_gettlv(tlvlist, 0x0013, 1)))
335 sess->logininfo.regstatus = aimutil_get16(tmptlv->value);
340 userfunc = aim_callhandler(command->conn, 0x0017, 0x0003);
342 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_AUTHSUCCESS);
345 ret = userfunc(sess, command);
347 aim_freetlvchain(&tlvlist);
349 /* These have been clobbered by the freetlvchain */
350 sess->logininfo.BOSIP = NULL;
351 sess->logininfo.email = NULL;
352 sess->logininfo.errorurl = NULL;
358 * Generate an authorization response.
360 * You probably don't want this unless you're writing an AIM server.
363 unsigned long aim_sendauthresp(struct aim_session_t *sess,
364 struct aim_conn_t *conn,
365 char *sn, char *bosip,
366 char *cookie, char *email,
369 struct command_tx_struct *tx;
370 struct aim_tlvlist_t *tlvlist = NULL;
372 if (!(tx = aim_tx_new(0x0004, conn, 1152)))
378 aim_addtlvtochain_str(&tlvlist, 0x0001, sn, strlen(sn));
380 aim_addtlvtochain_str(&tlvlist, 0x0001, sess->logininfo.screen_name, strlen(sess->logininfo.screen_name));
382 if (sess->logininfo.errorcode) {
383 aim_addtlvtochain16(&tlvlist, 0x0008, sess->logininfo.errorcode);
384 aim_addtlvtochain_str(&tlvlist, 0x0004, sess->logininfo.errorurl, strlen(sess->logininfo.errorurl));
386 aim_addtlvtochain_str(&tlvlist, 0x0005, bosip, strlen(bosip));
387 aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN);
388 aim_addtlvtochain_str(&tlvlist, 0x0011, email, strlen(email));
389 aim_addtlvtochain16(&tlvlist, 0x0013, regstatus);
392 tx->commandlen = aim_writetlvchain(tx->data, tx->commandlen, &tlvlist);
394 return aim_tx_enqueue(sess, tx);
398 * Generate a random cookie. (Non-client use only)
400 int aim_gencookie(unsigned char *buf)
406 for (i=0; i < AIM_COOKIELEN; i++)
407 buf[i] = 1+(int) (256.0*rand()/(RAND_MAX+0.0));
413 * Send Server Ready. (Non-client)
415 int aim_sendserverready(struct aim_session_t *sess, struct aim_conn_t *conn)
417 struct command_tx_struct *tx;
420 if (!(tx = aim_tx_new(0x0002, conn, 10+0x22)))
425 i += aim_putsnac(tx->data, 0x0001, 0x0003, 0x0000, sess->snac_nextid++);
427 i += aimutil_put16(tx->data+i, 0x0001);
428 i += aimutil_put16(tx->data+i, 0x0002);
429 i += aimutil_put16(tx->data+i, 0x0003);
430 i += aimutil_put16(tx->data+i, 0x0004);
431 i += aimutil_put16(tx->data+i, 0x0006);
432 i += aimutil_put16(tx->data+i, 0x0008);
433 i += aimutil_put16(tx->data+i, 0x0009);
434 i += aimutil_put16(tx->data+i, 0x000a);
435 i += aimutil_put16(tx->data+i, 0x000b);
436 i += aimutil_put16(tx->data+i, 0x000c);
437 i += aimutil_put16(tx->data+i, 0x0013);
438 i += aimutil_put16(tx->data+i, 0x0015);
442 return aim_tx_enqueue(sess, tx);
447 * Send service redirect. (Non-Client)
449 unsigned long aim_sendredirect(struct aim_session_t *sess,
450 struct aim_conn_t *conn,
451 unsigned short servid,
455 struct command_tx_struct *tx;
456 struct aim_tlvlist_t *tlvlist = NULL;
459 if (!(tx = aim_tx_new(0x0002, conn, 1152)))
464 i += aimutil_put16(tx->data+i, 0x0001);
465 i += aimutil_put16(tx->data+i, 0x0005);
466 i += aimutil_put16(tx->data+i, 0x0000);
467 i += aimutil_put16(tx->data+i, 0x0000);
468 i += aimutil_put16(tx->data+i, 0x0000);
470 aim_addtlvtochain16(&tlvlist, 0x000d, servid);
471 aim_addtlvtochain_str(&tlvlist, 0x0005, ip, strlen(ip));
472 aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN);
474 tx->commandlen = aim_writetlvchain(tx->data+i, tx->commandlen-i, &tlvlist)+i;
475 aim_freetlvchain(&tlvlist);
478 return aim_tx_enqueue(sess, tx);