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");
102 if (strlen(password) > 8) {
103 printf("faim: icq: password too long (8 char max)\n");
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;
116 curbyte = aim_putsnac(newpacket->data+curbyte, 0x0017, 0x0002, 0x0000, 0x00010000);
117 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn);
118 password_encoded = (u_char *) malloc(strlen(password));
119 aim_encode_password(password, password_encoded);
120 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0002, strlen(password), password_encoded);
121 curbyte+= aim_puttlv_str(newpacket->data+curbyte, 0x0003,
122 strlen(clientinfo->clientstring),
123 clientinfo->clientstring);
124 /* XXX: should use clientinfo provided version info */
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);
137 newpacket->hdr.oscar.type = 0x01;
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.
145 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
146 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
148 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(sn), sn);
150 password_encoded = (char *) malloc(strlen(password));
151 aim_encode_password(password, password_encoded);
152 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0002, strlen(password), password_encoded);
153 free(password_encoded);
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);
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);
165 curbyte += aim_puttlv_32(newpacket->data+curbyte, 0x0014, clientinfo->unknown);
167 if (strlen(clientinfo->country))
168 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000e, strlen(clientinfo->country), clientinfo->country);
170 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000e, 2, "us");
172 if (strlen(clientinfo->lang))
173 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000f, strlen(clientinfo->lang), clientinfo->lang);
175 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000f, 2, "en");
177 newpacket->commandlen = curbyte;
181 return aim_tx_enqueue(sess, newpacket);
185 * int encode_password(
186 * const char *password,
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.
196 * The encoding_table seems to be a fixed set of values. We'll
197 * hope it doesn't change over time!
200 int aim_encode_password(const char *password, u_char *encoded)
202 u_char encoding_table[] = {
203 #if 0 /* old v1 table */
204 0xf3, 0xb3, 0x6c, 0x99,
205 0x95, 0x3f, 0xac, 0xb6,
206 0xc5, 0xfa, 0x6b, 0x63,
207 0x69, 0x6c, 0xc3, 0x9f
208 #else /* v2.1 table, also works for ICQ */
209 0xf3, 0x26, 0x81, 0xc4,
210 0x39, 0x86, 0xdb, 0x92,
211 0x71, 0xa3, 0xb9, 0xe6,
212 0x53, 0x7a, 0x95, 0x7c
218 for (i = 0; i < strlen(password); i++)
219 encoded[i] = (password[i] ^ encoding_table[i]);
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.
229 * The client should check the value of logininfo->errorcode. If
230 * its nonzero, there was an error.
233 int aim_authparse(struct aim_session_t *sess,
234 struct command_rx_struct *command)
236 struct aim_tlvlist_t *tlvlist;
239 rxcallback_t userfunc = NULL;
241 memset(&sess->logininfo, 0x00, sizeof(sess->logininfo));
244 * Read block of TLVs. All further data is derived
245 * from what is parsed here.
248 tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10);
250 tlvlist = aim_readtlvchain(command->data, command->commandlen);
253 * No matter what, we should have a screen name.
255 sn = aim_gettlv_str(tlvlist, 0x0001, 1);
256 memcpy(sess->logininfo.screen_name, sn, strlen(sn));
257 sn[(strlen(sn))] = '\0';
260 * Check for an error code. If so, we should also
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);
270 * If we have both an IP number (0x0005) and a cookie (0x0006),
271 * then the login was successful.
273 else if (aim_gettlv(tlvlist, 0x0005, 1) && aim_gettlv(tlvlist, 0x0006, 1)
274 /*aim_gettlv(tlvlist, 0x0006, 1)->length*/) {
275 struct aim_tlv_t *tmptlv;
278 * IP address of BOS server.
280 sess->logininfo.BOSIP = aim_gettlv_str(tlvlist, 0x0005, 1);
283 * Authorization Cookie
285 tmptlv = aim_gettlv(tlvlist, 0x0006, 1);
286 memcpy(sess->logininfo.cookie, tmptlv->value, AIM_COOKIELEN);
289 * The email address attached to this account
290 * Not available for ICQ logins.
292 if (aim_gettlv(tlvlist, 0x0011, 1))
293 sess->logininfo.email = aim_gettlv_str(tlvlist, 0x0011, 1);
296 * The registration status. (Not real sure what it means.)
297 * Not available for ICQ logins.
299 if ((tmptlv = aim_gettlv(tlvlist, 0x0013, 1)))
300 sess->logininfo.regstatus = aimutil_get16(tmptlv->value);
305 userfunc = aim_callhandler(command->conn, 0x0017, 0x0003);
307 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_AUTHSUCCESS);
310 ret = userfunc(sess, command);
312 aim_freetlvchain(&tlvlist);
314 /* These have been clobbered by the freetlvchain */
315 sess->logininfo.BOSIP = NULL;
316 sess->logininfo.email = NULL;
317 sess->logininfo.errorurl = NULL;
323 * Generate an authorization response.
325 * You probably don't want this unless you're writing an AIM server.
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,
334 struct command_tx_struct *tx;
335 struct aim_tlvlist_t *tlvlist = NULL;
337 if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0004, conn, 1152)))
343 aim_addtlvtochain_str(&tlvlist, 0x0001, sn, strlen(sn));
345 aim_addtlvtochain_str(&tlvlist, 0x0001, sess->logininfo.screen_name, strlen(sess->logininfo.screen_name));
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));
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);
357 tx->commandlen = aim_writetlvchain(tx->data, tx->commandlen, &tlvlist);
359 return aim_tx_enqueue(sess, tx);
363 * Generate a random cookie. (Non-client use only)
365 int aim_gencookie(unsigned char *buf)
371 for (i=0; i < AIM_COOKIELEN; i++)
372 buf[i] = 1+(int) (256.0*rand()/(RAND_MAX+0.0));
378 * Send Server Ready. (Non-client)
380 int aim_sendserverready(struct aim_session_t *sess, struct aim_conn_t *conn)
382 struct command_tx_struct *tx;
385 if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+0x22)))
390 i += aim_putsnac(tx->data, 0x0001, 0x0003, 0x0000, sess->snac_nextid++);
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);
402 i += aimutil_put16(tx->data+i, 0x0013);
403 i += aimutil_put16(tx->data+i, 0x0015);
407 return aim_tx_enqueue(sess, tx);
412 * Send service redirect. (Non-Client)
414 unsigned long aim_sendredirect(struct aim_session_t *sess,
415 struct aim_conn_t *conn,
416 unsigned short servid,
420 struct command_tx_struct *tx;
421 struct aim_tlvlist_t *tlvlist = NULL;
424 if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152)))
429 i += aim_putsnac(tx->data+i, 0x0001, 0x0005, 0x0000, 0x00000000);
431 aim_addtlvtochain16(&tlvlist, 0x000d, servid);
432 aim_addtlvtochain_str(&tlvlist, 0x0005, ip, strlen(ip));
433 aim_addtlvtochain_str(&tlvlist, 0x0006, cookie, AIM_COOKIELEN);
435 tx->commandlen = aim_writetlvchain(tx->data+i, tx->commandlen-i, &tlvlist)+i;
436 aim_freetlvchain(&tlvlist);
439 return aim_tx_enqueue(sess, tx);