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Commit | Line | Data |
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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 | ||
23 | struct command_tx_struct newpacket; | |
24 | ||
25 | if (conn) | |
26 | newpacket.conn = conn; | |
27 | else | |
28 | return -1; | |
29 | ||
30 | newpacket.commandlen = 2+2; | |
31 | newpacket.data = (u_char *) calloc (1, newpacket.commandlen ); | |
32 | newpacket.lock = 1; | |
33 | newpacket.type = 0x01; | |
34 | ||
35 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000); | |
36 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001); | |
37 | ||
38 | newpacket.lock = 0; | |
39 | aim_tx_enqueue(sess, &newpacket); | |
40 | ||
41 | return 0; | |
42 | } | |
43 | ||
44 | #ifdef SNACLOGIN | |
45 | /* | |
46 | * In AIM 3.5 protocol, the first stage of login is to request | |
47 | * login from the Authorizer, passing it the screen name | |
48 | * for verification. If the name is invalid, a 0017/0003 | |
49 | * is spit back, with the standard error contents. If valid, | |
50 | * a 0017/0007 comes back, which is the signal to send | |
51 | * it the main login command (0017/0002). | |
52 | */ | |
53 | int aim_request_login(struct aim_session_t *sess, | |
54 | struct aim_conn_t *conn, | |
55 | char *sn) | |
56 | { | |
57 | int curbyte=0; | |
58 | ||
59 | struct command_tx_struct newpacket; | |
60 | ||
61 | if (conn) | |
62 | newpacket.conn = conn; | |
63 | else | |
64 | newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_AUTH); | |
65 | ||
66 | newpacket.commandlen = 10+2+2+strlen(sn); | |
67 | newpacket.data = (u_char *) calloc (1, newpacket.commandlen ); | |
68 | newpacket.lock = 1; | |
69 | newpacket.type = 0x02; | |
70 | ||
71 | curbyte += aim_putsnac(newpacket.data+curbyte, 0x0017, 0x0006, 0x0000, 0x00010000); | |
72 | curbyte += aim_puttlv_str(newpacket.data+curbyte, 0x0001, strlen(sn), sn); | |
73 | ||
74 | newpacket.lock = 0; | |
75 | aim_tx_enqueue(sess, &newpacket); | |
76 | ||
77 | return 0; | |
78 | } | |
79 | #endif /* SNACLOGIN */ | |
80 | ||
9de3ca7e | 81 | /* |
24286d93 | 82 | * send_login(int socket, char *sn, char *password) |
9de3ca7e | 83 | * |
84 | * This is the initial login request packet. | |
85 | * | |
86 | * The password is encoded before transmition, as per | |
87 | * encode_password(). See that function for their | |
88 | * stupid method of doing it. | |
89 | * | |
9de3ca7e | 90 | */ |
a25832e6 | 91 | int aim_send_login (struct aim_session_t *sess, |
92 | struct aim_conn_t *conn, | |
93 | char *sn, char *password, struct client_info_s *clientinfo) | |
9de3ca7e | 94 | { |
a25832e6 | 95 | u_char *password_encoded = NULL; /* to store encoded password */ |
9de3ca7e | 96 | int curbyte=0; |
97 | ||
98 | struct command_tx_struct newpacket; | |
99 | ||
01b59e1e | 100 | if (!clientinfo || !sn || !password) |
101 | return -1; | |
102 | ||
9de3ca7e | 103 | if (conn) |
104 | newpacket.conn = conn; | |
105 | else | |
a25832e6 | 106 | newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_AUTH); |
9de3ca7e | 107 | |
01b59e1e | 108 | #ifdef SNACLOGIN |
109 | newpacket.commandlen = 10; | |
110 | newpacket.commandlen += 2 + 2 + strlen(sn); | |
111 | newpacket.commandlen += 2 + 2 + strlen(password); | |
112 | newpacket.commandlen += 2 + 2 + strlen(clientinfo->clientstring); | |
113 | newpacket.commandlen += 56; | |
114 | ||
115 | newpacket.data = (u_char *) calloc (1, newpacket.commandlen ); | |
116 | newpacket.lock = 1; | |
117 | newpacket.type = 0x02; | |
118 | ||
119 | curbyte = aim_putsnac(newpacket.data+curbyte, 0x0017, 0x0002, 0x0000, 0x00010000); | |
120 | curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0001, strlen(sn), sn); | |
121 | password_encoded = (u_char *) malloc(strlen(password)); | |
122 | aim_encode_password(password, password_encoded); | |
123 | curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0002, strlen(password), password_encoded); | |
124 | curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0003, | |
125 | strlen(clientinfo->clientstring), | |
126 | clientinfo->clientstring); | |
127 | /* XXX: should use clientinfo provided version info */ | |
128 | curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0016, 0x0004); | |
129 | curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0017, 0x0003); | |
130 | curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0018, 0x0005); | |
131 | curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0019, 0x0000); | |
132 | curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x001a, 0x0686); | |
133 | curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0001, 0x0002, clientinfo->country); | |
134 | curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0001, 0x0002, clientinfo->lang); | |
135 | curbyte+= aim_puttlv_32(newpacket.data+curbyte, 0x0014, 0x0000002a); | |
136 | curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0009, 0x0015); | |
137 | #else | |
138 | ||
24286d93 | 139 | newpacket.commandlen = 4 + 4+strlen(sn) + 4+strlen(password) + 6; |
140 | ||
9de3ca7e | 141 | if (clientinfo) |
142 | { | |
143 | if (strlen(clientinfo->clientstring)) | |
24286d93 | 144 | newpacket.commandlen += 4+strlen(clientinfo->clientstring); |
01b59e1e | 145 | newpacket.commandlen += 6+6+6+6; |
9de3ca7e | 146 | if (strlen(clientinfo->country)) |
24286d93 | 147 | newpacket.commandlen += 4+strlen(clientinfo->country); |
9de3ca7e | 148 | if (strlen(clientinfo->lang)) |
24286d93 | 149 | newpacket.commandlen += 4+strlen(clientinfo->lang); |
9de3ca7e | 150 | } |
24286d93 | 151 | newpacket.commandlen += 6; |
9de3ca7e | 152 | |
153 | newpacket.data = (char *) calloc (1, newpacket.commandlen ); | |
154 | newpacket.lock = 1; | |
155 | newpacket.type = 0x01; | |
156 | ||
157 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000); | |
158 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001); | |
159 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001); | |
160 | curbyte += aimutil_put16(newpacket.data+curbyte, strlen(sn)); | |
161 | curbyte += aimutil_putstr(newpacket.data+curbyte, sn, strlen(sn)); | |
162 | ||
163 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0002); | |
164 | curbyte += aimutil_put16(newpacket.data+curbyte, strlen(password)); | |
165 | password_encoded = (char *) malloc(strlen(password)); | |
166 | aim_encode_password(password, password_encoded); | |
167 | curbyte += aimutil_putstr(newpacket.data+curbyte, password_encoded, strlen(password)); | |
168 | free(password_encoded); | |
169 | ||
01b59e1e | 170 | curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0016, 0x0004); |
24286d93 | 171 | |
9de3ca7e | 172 | if (clientinfo) |
173 | { | |
174 | if (strlen(clientinfo->clientstring)) | |
175 | { | |
176 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x0003); | |
177 | curbyte += aimutil_put16(newpacket.data+curbyte, strlen(clientinfo->clientstring)); | |
178 | curbyte += aimutil_putstr(newpacket.data+curbyte, clientinfo->clientstring, strlen(clientinfo->clientstring)); | |
179 | } | |
01b59e1e | 180 | curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0017, clientinfo->major /*0x0001*/); |
181 | curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0018, clientinfo->minor /*0x0001*/); | |
182 | curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0019, 0x0000); | |
183 | curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x001a, clientinfo->build /*0x0013*/); | |
9de3ca7e | 184 | if (strlen(clientinfo->country)) |
185 | { | |
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)); | |
189 | } | |
24286d93 | 190 | if (strlen(clientinfo->lang)) |
9de3ca7e | 191 | { |
192 | curbyte += aimutil_put16(newpacket.data+curbyte, 0x000f); | |
193 | curbyte += aimutil_put16(newpacket.data+curbyte, strlen(clientinfo->lang)); | |
194 | curbyte += aimutil_putstr(newpacket.data+curbyte, clientinfo->lang, strlen(clientinfo->lang)); | |
195 | } | |
196 | } | |
197 | ||
198 | curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0009, 0x0015); | |
01b59e1e | 199 | #endif |
9de3ca7e | 200 | |
201 | newpacket.lock = 0; | |
a25832e6 | 202 | aim_tx_enqueue(sess, &newpacket); |
9de3ca7e | 203 | |
204 | return 0; | |
205 | } | |
9de3ca7e | 206 | |
207 | /* | |
208 | * int encode_password( | |
209 | * const char *password, | |
210 | * char *encoded | |
211 | * ); | |
212 | * | |
213 | * This takes a const pointer to a (null terminated) string | |
214 | * containing the unencoded password. It also gets passed | |
215 | * an already allocated buffer to store the encoded password. | |
216 | * This buffer should be the exact length of the password without | |
217 | * the null. The encoded password buffer IS NOT NULL TERMINATED. | |
218 | * | |
219 | * The encoding_table seems to be a fixed set of values. We'll | |
220 | * hope it doesn't change over time! | |
221 | * | |
222 | */ | |
a25832e6 | 223 | int aim_encode_password(const char *password, u_char *encoded) |
9de3ca7e | 224 | { |
225 | u_char encoding_table[] = { | |
226 | 0xf3, 0xb3, 0x6c, 0x99, | |
227 | 0x95, 0x3f, 0xac, 0xb6, | |
228 | 0xc5, 0xfa, 0x6b, 0x63, | |
229 | 0x69, 0x6c, 0xc3, 0x9f | |
230 | }; | |
231 | ||
232 | int i; | |
233 | ||
234 | for (i = 0; i < strlen(password); i++) | |
235 | encoded[i] = (password[i] ^ encoding_table[i]); | |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
01b59e1e | 240 | /* |
241 | * This is sent back as a general response to the login command. | |
242 | * It can be either an error or a success, depending on the | |
243 | * precense of certain TLVs. | |
244 | * | |
245 | * The client should check the value of logininfo->errorcode. If | |
246 | * its nonzero, there was an error. | |
247 | * | |
248 | */ | |
249 | int aim_authparse(struct aim_session_t *sess, | |
250 | struct command_rx_struct *command) | |
251 | { | |
252 | struct aim_tlvlist_t *tlvlist; | |
253 | int ret = 1; | |
254 | char *sn; | |
255 | rxcallback_t userfunc = NULL; | |
256 | ||
257 | memset(&sess->logininfo, 0x00, sizeof(sess->logininfo)); | |
258 | ||
259 | /* | |
260 | * Read block of TLVs. All further data is derived | |
261 | * from what is parsed here. | |
262 | */ | |
263 | #ifdef SNACLOGIN | |
264 | tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10); | |
265 | #else | |
266 | tlvlist = aim_readtlvchain(command->data, command->commandlen); | |
267 | #endif | |
268 | /* | |
269 | * No matter what, we should have a screen name. | |
270 | */ | |
271 | sn = aim_gettlv_str(tlvlist, 0x0001, 1); | |
272 | memcpy(sess->logininfo.screen_name, sn, strlen(sn)); | |
273 | sn[(strlen(sn))] = '\0'; | |
274 | ||
275 | /* | |
276 | * Check for an error code. If so, we should also | |
277 | * have an error url. | |
278 | */ | |
279 | if (aim_gettlv(tlvlist, 0x0008, 1)) | |
280 | { | |
281 | struct aim_tlv_t *errtlv; | |
282 | errtlv = aim_gettlv(tlvlist, 0x0008, 1); | |
283 | sess->logininfo.errorcode = aimutil_get16(errtlv->value); | |
284 | sess->logininfo.errorurl = aim_gettlv_str(tlvlist, 0x0004, 1); | |
285 | } | |
286 | /* | |
287 | * If we have both an IP number (0x0005) and a cookie (0x0006), | |
288 | * then the login was successful. | |
289 | */ | |
290 | else if (aim_gettlv(tlvlist, 0x0005, 1) && aim_gettlv(tlvlist, 0x0006, 1)) | |
291 | { | |
292 | struct aim_tlv_t *tmptlv; | |
9de3ca7e | 293 | |
01b59e1e | 294 | /* |
295 | * IP address of BOS server. | |
296 | */ | |
297 | sess->logininfo.BOSIP = aim_gettlv_str(tlvlist, 0x0005, 1); | |
9de3ca7e | 298 | |
01b59e1e | 299 | /* |
300 | * Authorization Cookie | |
301 | */ | |
302 | tmptlv = aim_gettlv(tlvlist, 0x0006, 1); | |
303 | memcpy(sess->logininfo.cookie, tmptlv->value, AIM_COOKIELEN); | |
9de3ca7e | 304 | |
01b59e1e | 305 | /* |
306 | * The email address attached to this account | |
307 | */ | |
308 | sess->logininfo.email = aim_gettlv_str(tlvlist, 0x0011, 1); | |
309 | ||
310 | /* | |
311 | * The registration status. (Not real sure what it means.) | |
312 | */ | |
313 | tmptlv = aim_gettlv(tlvlist, 0x0013, 1); | |
314 | sess->logininfo.regstatus = aimutil_get16(tmptlv->value); | |
315 | ||
316 | } | |
317 | ||
318 | #ifdef SNACLOGIN | |
319 | userfunc = aim_callhandler(command->conn, 0x0017, 0x0003); | |
320 | #else | |
321 | userfunc = aim_callhandler(command->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_AUTHSUCCESS); | |
322 | #endif | |
323 | if (userfunc) | |
324 | ret = userfunc(sess, command); | |
325 | ||
326 | aim_freetlvchain(&tlvlist); | |
327 | ||
328 | /* These have been clobbered by the freetlvchain */ | |
329 | sess->logininfo.BOSIP = NULL; | |
330 | sess->logininfo.email = NULL; | |
331 | sess->logininfo.errorurl = NULL; | |
332 | ||
333 | return ret; | |
334 | } |