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Commit | Line | Data |
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37ee990e | 1 | /* |
646c6b52 | 2 | * File transfer (OFT) and DirectIM (ODC). |
3 | * (OSCAR File Transfer, Oscar Direct Connect(ion?) | |
37ee990e | 4 | */ |
5 | ||
37ee990e | 6 | #define FAIM_INTERNAL |
dd60ff8b | 7 | #include <aim.h> |
7392c79f | 8 | |
646c6b52 | 9 | |
5ac21963 | 10 | #ifndef _WIN32 |
78b3fb13 | 11 | #include <netdb.h> |
12 | #include <sys/socket.h> | |
13 | #include <netinet/in.h> | |
7392c79f | 14 | #include <sys/utsname.h> /* for aim_directim_initiate */ |
37ee990e | 15 | |
7392c79f | 16 | #include <arpa/inet.h> /* for inet_ntoa */ |
37ee990e | 17 | |
5ac21963 | 18 | #endif |
7392c79f | 19 | |
37ee990e | 20 | /* TODO: |
37ee990e | 21 | o look for memory leaks.. there's going to be shitloads, i'm sure. |
7392c79f | 22 | */ |
23 | ||
37ee990e | 24 | static struct aim_fileheader_t *aim_oft_getfh(unsigned char *hdr); |
25 | ||
26 | /** | |
27 | * aim_handlerendconnect - call this to accept OFT connections and set up the requisite structures | |
28 | * @sess: the session | |
29 | * @cur: the conn the incoming connection is on | |
30 | * | |
31 | * call this when you get an outstanding read on a conn with subtype | |
646c6b52 | 32 | * AIM_CONN_SUBTYPE_RENDEZVOUS_OUT, it will clone the current |
33 | * &aim_conn_t and tweak things as appropriate. the new conn and the | |
34 | * listener conn are both returned to the client in the | |
35 | * %AIM_CB_FAM_OFT, %AIM_CB_OFT_<CLASS>INITIATE callback. | |
37ee990e | 36 | */ |
78b3fb13 | 37 | faim_export int aim_handlerendconnect(struct aim_session_t *sess, struct aim_conn_t *cur) |
37ee990e | 38 | { |
7392c79f | 39 | int acceptfd = 0; |
e677fc43 | 40 | aim_rxcallback_t userfunc; |
7392c79f | 41 | struct sockaddr cliaddr; |
6b9df03c | 42 | int clilen = sizeof(cliaddr); |
7392c79f | 43 | int ret = 0; |
37ee990e | 44 | struct aim_conn_t *newconn; |
7392c79f | 45 | |
646c6b52 | 46 | if ( (acceptfd = accept(cur->fd, &cliaddr, &clilen)) == -1) |
7392c79f | 47 | return -1; |
37ee990e | 48 | if (cliaddr.sa_family != AF_INET) { /* just in case IPv6 really is happening */ |
49 | close(acceptfd); | |
50 | aim_conn_close(cur); | |
51 | return -1; | |
52 | } | |
7392c79f | 53 | |
646c6b52 | 54 | /* safe? maybe cur->priv should be NULLed after this. --mid */ |
55 | ||
56 | /* That would be bad. very bad. we want cur->priv->sn to make it up | |
57 | to the client-level for conn management and such. even though | |
58 | that is abusing the interface --jbm */ | |
59 | ||
37ee990e | 60 | if (!(newconn = aim_cloneconn(sess, cur))) { |
61 | close(acceptfd); | |
62 | aim_conn_close(cur); | |
7392c79f | 63 | return -1; |
37ee990e | 64 | } |
37ee990e | 65 | |
66 | newconn->type = AIM_CONN_TYPE_RENDEZVOUS; | |
67 | newconn->fd = acceptfd; | |
7392c79f | 68 | |
646c6b52 | 69 | switch(newconn->subtype) { |
37ee990e | 70 | case AIM_CONN_SUBTYPE_OFT_DIRECTIM: { |
7392c79f | 71 | struct aim_directim_priv *priv; |
7392c79f | 72 | |
646c6b52 | 73 | priv = cur->priv; |
74 | ||
75 | newconn->priv = cur->priv; | |
76 | ||
77 | cur->priv = NULL; | |
7392c79f | 78 | |
37ee990e | 79 | snprintf(priv->ip, sizeof(priv->ip), "%s:%u", |
80 | inet_ntoa(((struct sockaddr_in *)&cliaddr)->sin_addr), | |
81 | ntohs(((struct sockaddr_in *)&cliaddr)->sin_port)); | |
7392c79f | 82 | |
646c6b52 | 83 | if ( (userfunc = aim_callhandler(sess, newconn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMINITIATE))) |
84 | ret = userfunc(sess, NULL, newconn, cur); | |
7392c79f | 85 | |
7392c79f | 86 | break; |
646c6b52 | 87 | } |
37ee990e | 88 | case AIM_CONN_SUBTYPE_OFT_GETFILE: { |
7392c79f | 89 | struct aim_filetransfer_priv *priv; |
90 | ||
646c6b52 | 91 | |
92 | newconn->priv = cur->priv; | |
93 | cur->priv = NULL; | |
37ee990e | 94 | priv = (struct aim_filetransfer_priv *)newconn->priv; |
7392c79f | 95 | |
96 | snprintf(priv->ip, sizeof(priv->ip), "%s:%u", inet_ntoa(((struct sockaddr_in *)&cliaddr)->sin_addr), ntohs(((struct sockaddr_in *)&cliaddr)->sin_port)); | |
97 | ||
646c6b52 | 98 | if ( (userfunc = aim_callhandler(sess, newconn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEINITIATE))) |
99 | ret = userfunc(sess, NULL, newconn, cur); | |
7392c79f | 100 | |
7392c79f | 101 | break; |
646c6b52 | 102 | } |
37ee990e | 103 | default: { |
646c6b52 | 104 | faimdprintf(sess, 1,"Got a Connection on a listener that's not Rendezvous(??!) Closing conn.\n"); |
37ee990e | 105 | aim_conn_close(newconn); |
106 | break; | |
7392c79f | 107 | } |
108 | } | |
37ee990e | 109 | |
7392c79f | 110 | return ret; |
111 | } | |
37ee990e | 112 | |
646c6b52 | 113 | /** |
37ee990e | 114 | * aim_send_im_direct - send IM client-to-client over established connection |
115 | * @sess: session to conn | |
116 | * @conn: directim connection | |
117 | * @msg: null-terminated string to send; if this is NULL, it will send a "typing" notice. | |
118 | * | |
646c6b52 | 119 | * Call this just like you would aim_send_im, to send a directim. You |
120 | * _must_ have previously established the directim connection. | |
7392c79f | 121 | */ |
37ee990e | 122 | faim_export int aim_send_im_direct(struct aim_session_t *sess, struct aim_conn_t *conn, char *msg) |
646c6b52 | 123 | { |
37ee990e | 124 | struct command_tx_struct *newpacket; |
7392c79f | 125 | struct aim_directim_priv *priv = NULL; |
126 | int i; | |
646c6b52 | 127 | |
37ee990e | 128 | if (!sess || !conn || (conn->type != AIM_CONN_TYPE_RENDEZVOUS) || !conn->priv) { |
646c6b52 | 129 | faimdprintf(sess, 2,"faim: directim: invalid arguments\n"); |
871e2fd0 | 130 | return -1; |
37ee990e | 131 | } |
871e2fd0 | 132 | |
7392c79f | 133 | priv = (struct aim_directim_priv *)conn->priv; |
134 | ||
646c6b52 | 135 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0001, strlen(msg)))) { |
136 | faimdprintf(sess, 2,"faim: directim: tx_new failed\n"); | |
7392c79f | 137 | return -1; |
37ee990e | 138 | } |
7392c79f | 139 | |
37ee990e | 140 | newpacket->lock = 1; |
7392c79f | 141 | |
37ee990e | 142 | /* if msg is non-null, we'resending an IM, else a "typing" notice */ |
646c6b52 | 143 | if (msg) { |
37ee990e | 144 | if (strlen(msg) >= MAXMSGLEN) |
145 | return -1; | |
146 | newpacket->hdr.oft.hdr2len = 0x54; | |
147 | if (!(newpacket->hdr.oft.hdr2 = calloc(1,newpacket->hdr.oft.hdr2len))) { | |
148 | newpacket->lock = 0; | |
149 | aim_tx_destroy(newpacket); | |
150 | return -1; | |
151 | } | |
152 | } else { | |
153 | newpacket->hdr.oft.hdr2len = 0x44; | |
154 | if (!(newpacket->hdr.oft.hdr2 = calloc(1,newpacket->hdr.oft.hdr2len))) { | |
155 | newpacket->lock = 0; | |
156 | aim_tx_destroy(newpacket); | |
157 | return -1; | |
158 | } | |
159 | } | |
7392c79f | 160 | |
161 | memcpy(newpacket->hdr.oft.magic, "ODC2", 4); | |
37ee990e | 162 | newpacket->data = NULL; |
7392c79f | 163 | |
164 | i = 0; | |
165 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0006); | |
166 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
78b3fb13 | 167 | i += aimutil_putstr(newpacket->hdr.oft.hdr2+i, (char *)priv->cookie, 8); |
7392c79f | 168 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); |
169 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
170 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
171 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
646c6b52 | 172 | i += aimutil_put32(newpacket->hdr.oft.hdr2+i, strlen(msg)); |
37ee990e | 173 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); |
174 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
175 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
7392c79f | 176 | |
37ee990e | 177 | /* flags -- 0x000e for "typing", 0x0000 for message */ |
646c6b52 | 178 | if (msg) |
37ee990e | 179 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); |
180 | else | |
181 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x000e); | |
7392c79f | 182 | |
183 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
184 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
37ee990e | 185 | i += aimutil_putstr(newpacket->hdr.oft.hdr2+i, sess->sn, strlen(sess->sn)); |
186 | i = 52; | |
187 | ||
188 | i += aimutil_put8(newpacket->hdr.oft.hdr2+i, 0x00); | |
7392c79f | 189 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); |
190 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
191 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
192 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
7392c79f | 193 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); |
194 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
7392c79f | 195 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); |
7392c79f | 196 | |
37ee990e | 197 | /* end of hdr2 */ |
198 | ||
646c6b52 | 199 | if (msg) { |
37ee990e | 200 | /* values grabbed from a dump */ |
201 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0008); | |
202 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x000c); | |
203 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
204 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x1466); | |
205 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0001); | |
206 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x2e0f); | |
207 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x393e); | |
208 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0xcac8); | |
646c6b52 | 209 | if(!(newpacket->data = strdup(msg))) |
210 | return -1; | |
37ee990e | 211 | } |
7392c79f | 212 | newpacket->lock = 0; |
7392c79f | 213 | aim_tx_enqueue(sess, newpacket); |
7392c79f | 214 | return 0; |
37ee990e | 215 | } |
7392c79f | 216 | |
646c6b52 | 217 | /* XXX: give the client author the responsibility of setting up a |
218 | * listener, then we no longer have a libfaim problem with broken | |
219 | * solaris *innocent smile* -jbm */ | |
220 | ||
221 | /** | |
37ee990e | 222 | * aim_directim_intitiate - For those times when we want to open up the directim channel ourselves. |
223 | * @sess: your session, | |
224 | * @conn: the BOS conn, | |
646c6b52 | 225 | * @priv: a dummy priv value (we'll let it get filled in later) (if you pass a %NULL, we alloc one) |
37ee990e | 226 | * @destsn: the SN to connect to. |
227 | * | |
7392c79f | 228 | */ |
37ee990e | 229 | faim_export struct aim_conn_t *aim_directim_initiate(struct aim_session_t *sess, |
646c6b52 | 230 | struct aim_conn_t *conn, |
37ee990e | 231 | struct aim_directim_priv *priv, |
78b3fb13 | 232 | char *destsn) |
37ee990e | 233 | { |
234 | ||
7392c79f | 235 | struct command_tx_struct *newpacket; |
236 | struct aim_conn_t *newconn; | |
7392c79f | 237 | struct aim_msgcookie_t *cookie; |
7392c79f | 238 | int curbyte, i, listenfd; |
239 | short port = 4443; | |
7392c79f | 240 | struct hostent *hptr; |
5ac21963 | 241 | char localhost[129]; |
78b3fb13 | 242 | unsigned char cap[16]; |
37ee990e | 243 | char d[4]; /* IPv6 is a bit bigger... */ |
7392c79f | 244 | |
37ee990e | 245 | /* XXX: TLVlist-ize this */ |
246 | ||
247 | /* Open our socket */ | |
7392c79f | 248 | |
646c6b52 | 249 | if ( (listenfd = aim_listenestablish(port)) == -1) |
7392c79f | 250 | return NULL; |
251 | ||
37ee990e | 252 | /* get our local IP */ |
253 | /* XXX if available, use getaddrinfo() */ | |
254 | /* XXX allow client to specify which IP to use for multihomed boxes */ | |
646c6b52 | 255 | if (gethostname(localhost, 128) < 0) |
7392c79f | 256 | return NULL; |
646c6b52 | 257 | if ( (hptr = gethostbyname(localhost)) == NULL) |
7392c79f | 258 | return NULL; |
37ee990e | 259 | memcpy(&d, hptr->h_addr_list[0], 4); |
7392c79f | 260 | |
7392c79f | 261 | aim_putcap(cap, 16, AIM_CAPS_IMIMAGE); |
262 | ||
37ee990e | 263 | /* create the OSCAR packet */ |
7392c79f | 264 | |
646c6b52 | 265 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+8+2+1+strlen(destsn)+4+4+0x32))) |
7392c79f | 266 | return NULL; |
37ee990e | 267 | newpacket->lock = 1; |
7392c79f | 268 | |
37ee990e | 269 | curbyte = 0; |
270 | curbyte += aim_putsnac(newpacket->data+curbyte, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
7392c79f | 271 | |
37ee990e | 272 | /* Generate a random message cookie */ |
273 | /* This cookie needs to be alphanumeric and NULL-terminated to be TOC-compatible. */ | |
274 | for (i=0; i<7; i++) | |
5ac21963 | 275 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x30 + ((u_char) rand() % 20)); |
37ee990e | 276 | |
7392c79f | 277 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); |
278 | ||
37ee990e | 279 | /* grab all the data for cookie caching */ |
7392c79f | 280 | cookie = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)); |
7392c79f | 281 | memcpy(cookie->cookie, newpacket->data+curbyte-8, 8); |
282 | cookie->type = AIM_COOKIETYPE_OFTIM; | |
37ee990e | 283 | priv = cookie->data; |
284 | ||
646c6b52 | 285 | if (!priv) |
7392c79f | 286 | priv = (struct aim_directim_priv *)calloc(1, sizeof(struct aim_directim_priv)); |
37ee990e | 287 | |
7392c79f | 288 | memcpy(priv->cookie, cookie, 8); |
289 | memcpy(priv->sn, destsn, sizeof(priv->sn)); | |
7392c79f | 290 | cookie->data = priv; |
37ee990e | 291 | aim_cachecookie(sess, cookie); |
7392c79f | 292 | |
37ee990e | 293 | /* Channel ID */ |
7392c79f | 294 | curbyte += aimutil_put16(newpacket->data+curbyte,0x0002); |
295 | ||
37ee990e | 296 | /* Destination SN (prepended with byte length)*/ |
7392c79f | 297 | curbyte += aimutil_put8(newpacket->data+curbyte,strlen(destsn)); |
298 | curbyte += aimutil_putstr(newpacket->data+curbyte, destsn, strlen(destsn)); | |
7392c79f | 299 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); |
300 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
301 | ||
37ee990e | 302 | /* enTLV start */ |
7392c79f | 303 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); |
304 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0032); | |
305 | ||
37ee990e | 306 | /* Flag data / ICBM Parameters */ |
7392c79f | 307 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); |
308 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
309 | ||
37ee990e | 310 | /* Cookie */ |
7392c79f | 311 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cookie, 8); |
312 | ||
37ee990e | 313 | /*Capability String */ |
7392c79f | 314 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cap, 0x10); |
315 | ||
37ee990e | 316 | /* 000a/0002 : 0001 */ |
7392c79f | 317 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a); |
318 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
319 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
320 | ||
37ee990e | 321 | /* 0003/0004: IP address */ |
7392c79f | 322 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); |
323 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0004); | |
37ee990e | 324 | for(i = 0;i < 4; i++) |
325 | curbyte += aimutil_put8(newpacket->data+curbyte, d[i]); | |
326 | ||
327 | /* 0005/0002: Port */ | |
7392c79f | 328 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); |
329 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
330 | curbyte += aimutil_put16(newpacket->data+curbyte, port); | |
331 | ||
37ee990e | 332 | /* 000f/0000: ?? */ |
7392c79f | 333 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f); |
334 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
7392c79f | 335 | newpacket->commandlen = curbyte; |
336 | newpacket->lock = 0; | |
7392c79f | 337 | aim_tx_enqueue(sess, newpacket); |
338 | ||
7392c79f | 339 | |
37ee990e | 340 | /* XXX switch to aim_cloneconn()? */ |
341 | if (!(newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL))) | |
7392c79f | 342 | return NULL; |
7392c79f | 343 | |
344 | newconn->fd = listenfd; | |
345 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_DIRECTIM; | |
346 | newconn->priv = priv; | |
37ee990e | 347 | newconn->lastactivity = time(NULL); |
7392c79f | 348 | |
646c6b52 | 349 | faimdprintf(sess, 2,"faim: listening (fd = %d, unconnected)\n", newconn->fd); |
7392c79f | 350 | |
37ee990e | 351 | return newconn; |
7392c79f | 352 | } |
353 | ||
646c6b52 | 354 | /** |
355 | * unsigned int aim_oft_listener_clean - close up old listeners | |
37ee990e | 356 | * @sess: session to clean up in |
357 | * @age: maximum age in seconds | |
358 | * | |
359 | * returns number closed, -1 on error. | |
871e2fd0 | 360 | */ |
37ee990e | 361 | faim_export unsigned int aim_oft_listener_clean(struct aim_session_t *sess, time_t age) |
362 | { | |
363 | struct aim_conn_t *cur; | |
364 | time_t now; | |
365 | unsigned int hit = 0; | |
366 | ||
646c6b52 | 367 | if (!sess) |
37ee990e | 368 | return -1; |
369 | now = time(NULL); | |
370 | faim_mutex_lock(&sess->connlistlock); | |
371 | for(cur = sess->connlist;cur; cur = cur->next) | |
646c6b52 | 372 | if (cur->type == AIM_CONN_TYPE_RENDEZVOUS_OUT) { |
37ee990e | 373 | faim_mutex_lock(&cur->active); |
374 | if (cur->lastactivity < (now - age) ) { | |
375 | faim_mutex_unlock(&cur->active); | |
376 | aim_conn_close(cur); | |
377 | hit++; | |
378 | } else | |
379 | faim_mutex_unlock(&cur->active); | |
380 | } | |
381 | faim_mutex_unlock(&sess->connlistlock); | |
382 | return hit; | |
383 | } | |
871e2fd0 | 384 | |
646c6b52 | 385 | /** |
37ee990e | 386 | * aim_directim_connect - connect to buddy for directim |
387 | * @sess: the session to append the conn to, | |
388 | * @conn: the BOS connection, | |
389 | * @priv: the filled-in priv data structure for the connection | |
390 | * | |
391 | * returns conn if connected, %NULL on error | |
392 | */ | |
393 | faim_export struct aim_conn_t *aim_directim_connect(struct aim_session_t *sess, struct aim_conn_t *conn, struct aim_directim_priv *priv) | |
394 | { | |
395 | struct aim_conn_t *newconn = NULL; | |
7392c79f | 396 | |
646c6b52 | 397 | if (!sess || !conn || !priv) |
37ee990e | 398 | return NULL; |
399 | ||
400 | /* XXX verify that non-blocking connects actually work */ | |
7392c79f | 401 | newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS, priv->ip); |
402 | if (!newconn || (newconn->fd == -1)) { | |
646c6b52 | 403 | faimdprintf(sess, 2, "could not connect to %s\n", priv->ip); |
7392c79f | 404 | perror("aim_newconn"); |
646c6b52 | 405 | return newconn; |
7392c79f | 406 | } |
37ee990e | 407 | |
408 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_DIRECTIM; | |
409 | newconn->priv = priv; | |
646c6b52 | 410 | faimdprintf(sess, 2, "faim: connected to peer (fd = %d)\n", newconn->fd); |
37ee990e | 411 | |
7392c79f | 412 | return newconn; |
37ee990e | 413 | } |
7392c79f | 414 | |
646c6b52 | 415 | /** |
37ee990e | 416 | * aim_directim_getconn - find a directim conn for buddy name |
417 | * @sess: your session, | |
418 | * @name: the name to get, | |
419 | * | |
420 | * returns conn for directim with name, %NULL if none found. | |
421 | * | |
871e2fd0 | 422 | */ |
871e2fd0 | 423 | faim_export struct aim_conn_t *aim_directim_getconn(struct aim_session_t *sess, const char *name) |
424 | { | |
425 | struct aim_conn_t *cur; | |
426 | struct aim_directim_priv *priv; | |
37ee990e | 427 | |
646c6b52 | 428 | if (!sess || !name) |
37ee990e | 429 | return NULL; |
430 | ||
871e2fd0 | 431 | faim_mutex_lock(&sess->connlistlock); |
37ee990e | 432 | |
871e2fd0 | 433 | for (cur = sess->connlist; cur; cur = cur->next) { |
434 | if (cur->type != AIM_CONN_TYPE_RENDEZVOUS || cur->subtype != AIM_CONN_SUBTYPE_OFT_DIRECTIM) | |
435 | continue; | |
871e2fd0 | 436 | priv = cur->priv; |
437 | if (aim_sncmp(priv->sn, name) == 0) | |
438 | break; | |
37ee990e | 439 | } faim_mutex_unlock(&sess->connlistlock); |
871e2fd0 | 440 | return cur; |
37ee990e | 441 | } |
871e2fd0 | 442 | |
646c6b52 | 443 | /** |
37ee990e | 444 | * aim_accepttransfer - accept a file transfer request |
445 | * @sess: the session, | |
446 | * @conn: the BOS conn for the CAP reply | |
447 | * @sn: the screenname to send it to, | |
448 | * @cookie: the cookie used | |
449 | * @ip: the ip to connect to | |
450 | * @listingfiles: number of files to share | |
451 | * @listingtotsize: total size of shared files | |
452 | * @listingsize: length of the listing file(buffer) | |
453 | * @listingchecksum: checksum of the listing | |
454 | * @rendid: capability type (%AIM_CAPS_GETFILE or %AIM_CAPS_SENDFILE) | |
871e2fd0 | 455 | * |
646c6b52 | 456 | * Returns new connection or %NULL on error. |
871e2fd0 | 457 | */ |
37ee990e | 458 | faim_export struct aim_conn_t *aim_accepttransfer(struct aim_session_t *sess, |
459 | struct aim_conn_t *conn, | |
460 | char *sn, char *cookie, | |
461 | char *ip, | |
462 | unsigned short listingfiles, | |
463 | unsigned short listingtotsize, | |
464 | unsigned short listingsize, | |
465 | unsigned int listingchecksum, | |
466 | unsigned short rendid) | |
467 | { | |
7392c79f | 468 | struct command_tx_struct *newpacket, *newoft; |
871e2fd0 | 469 | struct aim_conn_t *newconn; |
37ee990e | 470 | struct aim_fileheader_t *fh; |
871e2fd0 | 471 | struct aim_filetransfer_priv *priv; |
472 | struct aim_msgcookie_t *cachedcook; | |
7392c79f | 473 | int curbyte, i; |
7392c79f | 474 | |
646c6b52 | 475 | if (!sess || !conn || !sn || !cookie || !ip) { |
37ee990e | 476 | return NULL; |
646c6b52 | 477 | } |
871e2fd0 | 478 | |
646c6b52 | 479 | newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS, ip); |
37ee990e | 480 | |
646c6b52 | 481 | if (!newconn || (newconn->fd == -1)) { |
482 | perror("aim_newconn"); | |
483 | faimdprintf(sess, 2, "could not connect to %s (fd: %i)\n", ip, newconn?newconn->fd:0); | |
484 | return newconn; | |
485 | } else { | |
486 | priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv)); | |
487 | ||
488 | memcpy(priv->cookie, cookie, 8); | |
489 | priv->state = 0; | |
490 | strncpy(priv->sn, sn, MAXSNLEN); | |
491 | strncpy(priv->ip, ip, sizeof(priv->ip)); | |
492 | newconn->priv = (void *)priv; | |
493 | ||
494 | faimdprintf(sess, 2, "faim: connected to peer (fd = %d)\n", newconn->fd); | |
495 | } | |
496 | ||
497 | if (rendid == AIM_CAPS_GETFILE) { | |
498 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE; | |
7392c79f | 499 | |
646c6b52 | 500 | faimdprintf(sess, 2, "faim: getfile request accept\n"); |
37ee990e | 501 | |
646c6b52 | 502 | if (!(newoft = aim_tx_new(sess, newconn, AIM_FRAMETYPE_OFT, 0x1108, 0))) { |
503 | faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
504 | /* XXX: conn leak here */ | |
871e2fd0 | 505 | return NULL; |
37ee990e | 506 | } |
507 | ||
871e2fd0 | 508 | newoft->lock = 1; |
871e2fd0 | 509 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); |
37ee990e | 510 | newoft->hdr.oft.hdr2len = 0x100 - 8; |
7392c79f | 511 | |
646c6b52 | 512 | if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t)))) { |
513 | /* XXX: conn leak here */ | |
514 | perror("calloc"); | |
871e2fd0 | 515 | return NULL; |
646c6b52 | 516 | } |
7392c79f | 517 | |
37ee990e | 518 | fh->encrypt = 0x0000; |
519 | fh->compress = 0x0000; | |
520 | fh->totfiles = listingfiles; | |
521 | fh->filesleft = listingfiles; /* is this right -- total parts and parts left?*/ | |
522 | fh->totparts = 0x0001; | |
523 | fh->partsleft = 0x0001; | |
524 | fh->totsize = listingtotsize; | |
525 | fh->size = listingsize; /* ls -l listing.txt */ | |
526 | fh->modtime = (int)time(NULL); /* we'll go with current time for now */ | |
527 | fh->checksum = listingchecksum; | |
528 | fh->rfcsum = 0x00000000; | |
529 | fh->rfsize = 0x00000000; | |
530 | fh->cretime = 0x00000000; | |
531 | fh->rfcsum = 0x00000000; | |
532 | fh->nrecvd = 0x00000000; | |
533 | fh->recvcsum = 0x00000000; | |
534 | memset(fh->idstring, 0, sizeof(fh->idstring)); | |
535 | memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring)); | |
536 | fh->flags = 0x02; | |
537 | fh->lnameoffset = 0x1a; | |
538 | fh->lsizeoffset = 0x10; | |
539 | memset(fh->dummy, 0, sizeof(fh->dummy)); | |
540 | memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo)); | |
541 | ||
542 | /* we need to figure out these encodings for filenames */ | |
543 | fh->nencode = 0x0000; | |
544 | fh->nlanguage = 0x0000; | |
545 | memset(fh->name, 0, sizeof(fh->name)); | |
546 | memcpy(fh->name, "listing.txt", sizeof(fh->name)); | |
547 | ||
548 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
549 | newoft->lock = 0; | |
550 | aim_tx_destroy(newoft); | |
646c6b52 | 551 | /* XXX: conn leak */ |
552 | perror("calloc (1)"); | |
37ee990e | 553 | return NULL; |
554 | } | |
7392c79f | 555 | |
37ee990e | 556 | memcpy(fh->bcookie, cookie, 8); |
7392c79f | 557 | |
646c6b52 | 558 | if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, fh))) |
559 | faimdprintf(sess, 1, "eek, bh fail!\n"); | |
871e2fd0 | 560 | |
561 | newoft->lock = 0; | |
562 | aim_tx_enqueue(sess, newoft); | |
37ee990e | 563 | |
646c6b52 | 564 | if (!(cachedcook = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)))) { |
565 | faimdprintf(sess, 1, "faim: accepttransfer: couldn't calloc cachedcook. yeep!\n"); | |
566 | /* XXX: more cleanup, conn leak */ | |
567 | perror("calloc (2)"); | |
37ee990e | 568 | return NULL; |
569 | } | |
7392c79f | 570 | |
37ee990e | 571 | memcpy(&(priv->fh), fh, sizeof(struct aim_fileheader_t)); |
572 | memcpy(cachedcook->cookie, cookie, 8); | |
573 | ||
574 | cachedcook->type = AIM_COOKIETYPE_OFTGET; | |
575 | cachedcook->data = (void *)priv; | |
7392c79f | 576 | |
646c6b52 | 577 | if (aim_cachecookie(sess, cachedcook) == -1) |
578 | faimdprintf(sess, 1, "faim: ERROR caching message cookie\n"); | |
37ee990e | 579 | |
646c6b52 | 580 | free(fh); |
37ee990e | 581 | |
646c6b52 | 582 | /* OSCAR CAP accept packet */ |
583 | ||
584 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+8+2+1+strlen(sn)+4+2+8+16))) { | |
585 | return NULL; | |
586 | } | |
587 | } else { | |
588 | return NULL; | |
589 | } | |
590 | ||
591 | newpacket->lock = 1; | |
592 | curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
37ee990e | 593 | |
646c6b52 | 594 | for (i = 0; i < 8; i++) |
595 | curbyte += aimutil_put8(newpacket->data+curbyte, cookie[i]); | |
37ee990e | 596 | |
646c6b52 | 597 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); |
598 | curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn)); | |
599 | curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn)); | |
600 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
601 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x001a); | |
602 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002 /* accept*/); | |
37ee990e | 603 | |
646c6b52 | 604 | for (i = 0;i < 8; i++) |
605 | curbyte += aimutil_put8(newpacket->data+curbyte, cookie[i]); | |
871e2fd0 | 606 | |
646c6b52 | 607 | curbyte += aim_putcap(newpacket->data+curbyte, 0x10, rendid); |
608 | newpacket->lock = 0; | |
609 | aim_tx_enqueue(sess, newpacket); | |
7392c79f | 610 | |
646c6b52 | 611 | return newconn; |
7392c79f | 612 | } |
613 | ||
646c6b52 | 614 | /** |
37ee990e | 615 | * aim_getlisting(FILE *file) -- get an aim_fileheader_t for a given FILE* |
616 | * @file is an opened listing file | |
7392c79f | 617 | * |
871e2fd0 | 618 | * returns a pointer to the filled-in fileheader_t |
619 | * | |
646c6b52 | 620 | * Currently omits checksum. we'll fix this when AOL breaks us, i |
871e2fd0 | 621 | * guess. |
622 | * | |
7392c79f | 623 | */ |
624 | ||
646c6b52 | 625 | faim_export struct aim_fileheader_t *aim_getlisting(struct aim_session_t *sess, FILE *file) |
7392c79f | 626 | { |
627 | struct aim_fileheader_t *fh; | |
871e2fd0 | 628 | u_long totsize = 0, size = 0, checksum = 0xffff0000; |
629 | short totfiles = 0; | |
630 | char *linebuf, sizebuf[9]; | |
631 | ||
632 | int linelength = 1024; | |
633 | ||
634 | /* XXX: if we have a line longer than 1024chars, God help us. */ | |
646c6b52 | 635 | if ( (linebuf = (char *)calloc(1, linelength)) == NULL ) { |
636 | faimdprintf(sess, 2, "linebuf calloc failed\n"); | |
871e2fd0 | 637 | return NULL; |
638 | } | |
639 | ||
646c6b52 | 640 | if (fseek(file, 0, SEEK_END) == -1) { /* use this for sanity check */ |
871e2fd0 | 641 | perror("getlisting END1 fseek:"); |
646c6b52 | 642 | faimdprintf(sess, 2, "getlising fseek END1 error\n"); |
871e2fd0 | 643 | } |
644 | ||
646c6b52 | 645 | if ((size = ftell(file)) == -1) { |
871e2fd0 | 646 | perror("getlisting END1 getpos:"); |
646c6b52 | 647 | faimdprintf(sess, 2, "getlising getpos END1 error\n"); |
871e2fd0 | 648 | } |
649 | ||
646c6b52 | 650 | if (fseek(file, 0, SEEK_SET) != 0) { |
871e2fd0 | 651 | perror("getlesting fseek(SET):"); |
646c6b52 | 652 | faimdprintf(sess, 2, "faim: getlisting: couldn't seek to beginning of listing file\n"); |
871e2fd0 | 653 | } |
654 | ||
37ee990e | 655 | memset(linebuf, 0, linelength); |
871e2fd0 | 656 | |
657 | size = 0; | |
658 | ||
659 | while(fgets(linebuf, linelength, file)) { | |
660 | totfiles++; | |
37ee990e | 661 | memset(sizebuf, 0, 9); |
871e2fd0 | 662 | |
663 | size += strlen(linebuf); | |
664 | ||
646c6b52 | 665 | if (strlen(linebuf) < 23) { |
666 | faimdprintf(sess, 2, "line \"%s\" too short. skipping\n", linebuf); | |
871e2fd0 | 667 | continue; |
668 | } | |
646c6b52 | 669 | if (linebuf[strlen(linebuf)-1] != '\n') { |
670 | faimdprintf(sess, 2, "faim: OFT: getlisting -- hit EOF or line too long!\n"); | |
871e2fd0 | 671 | } |
672 | ||
673 | memcpy(sizebuf, linebuf+17, 8); | |
674 | ||
675 | totsize += strtol(sizebuf, NULL, 10); | |
37ee990e | 676 | memset(linebuf, 0, linelength); |
871e2fd0 | 677 | } |
678 | ||
646c6b52 | 679 | if (fseek(file, 0, SEEK_SET) == -1) { |
871e2fd0 | 680 | perror("getlisting END2 fseek:"); |
646c6b52 | 681 | faimdprintf(sess, 2, "getlising fseek END2 error\n"); |
871e2fd0 | 682 | } |
683 | ||
684 | free(linebuf); | |
685 | ||
686 | /* we're going to ignore checksumming the data for now -- that | |
687 | * requires walking the whole listing.txt. it should probably be | |
688 | * done at register time and cached, but, eh. */ | |
7392c79f | 689 | |
646c6b52 | 690 | if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t)))) |
7392c79f | 691 | return NULL; |
692 | ||
693 | fh->encrypt = 0x0000; | |
871e2fd0 | 694 | fh->compress = 0x0000; |
695 | fh->totfiles = totfiles; | |
696 | fh->filesleft = totfiles; /* is this right ?*/ | |
7392c79f | 697 | fh->totparts = 0x0001; |
698 | fh->partsleft = 0x0001; | |
871e2fd0 | 699 | fh->totsize = totsize; |
700 | fh->size = size; /* ls -l listing.txt */ | |
701 | fh->modtime = (int)time(NULL); /* we'll go with current time for now */ | |
702 | fh->checksum = checksum; /* XXX: checksum ! */ | |
7392c79f | 703 | fh->rfcsum = 0x00000000; |
704 | fh->rfsize = 0x00000000; | |
705 | fh->cretime = 0x00000000; | |
706 | fh->rfcsum = 0x00000000; | |
707 | fh->nrecvd = 0x00000000; | |
708 | fh->recvcsum = 0x00000000; | |
709 | ||
871e2fd0 | 710 | /* memset(fh->idstring, 0, sizeof(fh->idstring)); */ |
711 | memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring)); | |
712 | memset(fh->idstring+strlen(fh->idstring), 0, sizeof(fh->idstring)-strlen(fh->idstring)); | |
7392c79f | 713 | |
714 | fh->flags = 0x02; | |
715 | fh->lnameoffset = 0x1a; | |
716 | fh->lsizeoffset = 0x10; | |
717 | ||
871e2fd0 | 718 | /* memset(fh->dummy, 0, sizeof(fh->dummy)); */ |
719 | memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo)); | |
7392c79f | 720 | |
871e2fd0 | 721 | fh->nencode = 0x0000; /* we need to figure out these encodings for filenames */ |
7392c79f | 722 | fh->nlanguage = 0x0000; |
723 | ||
871e2fd0 | 724 | /* memset(fh->name, 0, sizeof(fh->name)); */ |
725 | memcpy(fh->name, "listing.txt", sizeof(fh->name)); | |
726 | memset(fh->name+strlen(fh->name), 0, 64-strlen(fh->name)); | |
7392c79f | 727 | |
646c6b52 | 728 | faimdprintf(sess, 2, "faim: OFT: listing fh name %s / %s\n", fh->name, (fh->name+(strlen(fh->name)))); |
7392c79f | 729 | return fh; |
730 | } | |
731 | ||
646c6b52 | 732 | /** |
37ee990e | 733 | * aim_listenestablish - create a listening socket on a port. |
734 | * @portnum: the port number to bind to. | |
735 | * | |
736 | * you need to call accept() when it's connected. returns your fd | |
737 | * | |
7392c79f | 738 | */ |
646c6b52 | 739 | faim_export int aim_listenestablish(u_short portnum) |
7392c79f | 740 | { |
37ee990e | 741 | #if defined(__linux__) |
742 | /* XXX what other OS's support getaddrinfo? */ | |
7392c79f | 743 | int listenfd; |
744 | const int on = 1; | |
745 | struct addrinfo hints, *res, *ressave; | |
746 | char serv[5]; | |
646c6b52 | 747 | |
748 | snprintf(serv, sizeof(serv), "%d", portnum); | |
7392c79f | 749 | memset(&hints, 0, sizeof(struct addrinfo)); |
750 | hints.ai_flags = AI_PASSIVE; | |
751 | hints.ai_family = AF_UNSPEC; | |
752 | hints.ai_socktype = SOCK_STREAM; | |
37ee990e | 753 | if (getaddrinfo(NULL /*any IP*/, serv, &hints, &res) != 0) { |
7392c79f | 754 | perror("getaddrinfo"); |
755 | return -1; | |
37ee990e | 756 | } |
7392c79f | 757 | ressave = res; |
37ee990e | 758 | do { |
759 | listenfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol); | |
7392c79f | 760 | if (listenfd < 0) |
761 | continue; | |
762 | setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); | |
763 | if (bind(listenfd, res->ai_addr, res->ai_addrlen) == 0) | |
37ee990e | 764 | break; |
765 | /* success */ | |
7392c79f | 766 | close(listenfd); |
767 | } while ( (res = res->ai_next) ); | |
37ee990e | 768 | |
7392c79f | 769 | if (!res) |
770 | return -1; | |
37ee990e | 771 | |
772 | if (listen(listenfd, 1024)!=0) { | |
7392c79f | 773 | perror("listen"); |
774 | return -1; | |
37ee990e | 775 | } |
776 | ||
7392c79f | 777 | freeaddrinfo(ressave); |
778 | return listenfd; | |
37ee990e | 779 | #else |
5ac21963 | 780 | int listenfd; |
781 | const int on = 1; | |
782 | struct sockaddr_in sockin; | |
646c6b52 | 783 | |
5aab5195 | 784 | if ((listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { |
5ac21963 | 785 | perror("socket(listenfd)"); |
786 | return -1; | |
37ee990e | 787 | } |
788 | ||
5ac21963 | 789 | if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on) != 0)) { |
790 | perror("setsockopt(listenfd)"); | |
791 | close(listenfd); | |
792 | return -1; | |
37ee990e | 793 | } |
794 | ||
5ac21963 | 795 | memset(&sockin, 0, sizeof(struct sockaddr_in)); |
796 | sockin.sin_family = AF_INET; | |
797 | sockin.sin_port = htons(portnum); | |
37ee990e | 798 | |
5ac21963 | 799 | if (bind(listenfd, (struct sockaddr *)&sockin, sizeof(struct sockaddr_in)) != 0) { |
800 | perror("bind(listenfd)"); | |
801 | close(listenfd); | |
802 | return -1; | |
803 | } | |
804 | if (listen(listenfd, 4) != 0) { | |
805 | perror("listen(listenfd)"); | |
806 | close(listenfd); | |
807 | return -1; | |
808 | } | |
5ac21963 | 809 | return listenfd; |
5ac21963 | 810 | #endif |
37ee990e | 811 | } |
646c6b52 | 812 | |
813 | /** | |
37ee990e | 814 | * aim_get_command_rendezvous - OFT equivalent of aim_get_command |
815 | * @sess: session to work on | |
816 | * @conn: conn to pull data from | |
817 | * | |
818 | * this reads and handles data from conn->fd. currently a little rough | |
819 | * around the edges | |
820 | */ | |
78b3fb13 | 821 | faim_internal int aim_get_command_rendezvous(struct aim_session_t *sess, struct aim_conn_t *conn) |
7392c79f | 822 | { |
7392c79f | 823 | unsigned char hdrbuf1[6]; |
824 | unsigned char *hdr = NULL; | |
825 | int hdrlen, hdrtype; | |
826 | int flags = 0; | |
e677fc43 | 827 | aim_rxcallback_t userfunc = NULL; |
37ee990e | 828 | |
646c6b52 | 829 | if (!sess || !conn || !conn->priv) |
830 | return -1; | |
831 | ||
7392c79f | 832 | memset(hdrbuf1, 0, sizeof(hdrbuf1)); |
37ee990e | 833 | faim_mutex_lock(&conn->active); |
834 | ||
835 | /* gets locked down for the entirety */ | |
7392c79f | 836 | |
646c6b52 | 837 | if (conn->subtype == AIM_CONN_SUBTYPE_OFT_GETFILE ) { |
37ee990e | 838 | struct aim_filetransfer_priv *ft; |
839 | ft = conn->priv; | |
646c6b52 | 840 | if (ft->state == 2) { |
37ee990e | 841 | /* waiting on listing data */ |
842 | int ret = 0; | |
843 | char *listing; | |
844 | struct command_tx_struct *newoft; | |
646c6b52 | 845 | if (!(listing = malloc(ft->fh.size))) { |
37ee990e | 846 | faim_mutex_unlock(&conn->active); |
847 | return -1; | |
848 | } | |
4dd56961 | 849 | |
37ee990e | 850 | ft->state = 0; |
646c6b52 | 851 | if (aim_recv(conn->fd, listing, ft->fh.size) != ft->fh.size) |
852 | faimdprintf(sess, 2, "OFT get: file %s was short. (0x%lx)\n", ft->fh.name, ft->fh.size); | |
37ee990e | 853 | |
646c6b52 | 854 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x120b, 0))) { |
855 | faimdprintf(sess, 2, "faim: aim_get_command_rendezvous: getfile listing: tx_new OFT failed\n"); | |
37ee990e | 856 | faim_mutex_unlock(&conn->active); |
857 | free(listing); | |
858 | aim_conn_close(conn); | |
859 | return -1; | |
860 | } | |
861 | ||
862 | newoft->lock = 1; | |
863 | ||
864 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
865 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
866 | ||
646c6b52 | 867 | /* Protocol BS - set nrecvd to size of listing, recvcsum to |
868 | listing checksum, flags to 0 */ | |
869 | ||
37ee990e | 870 | ft->fh.nrecvd = ft->fh.size; |
871 | ft->fh.recvcsum = ft->fh.checksum; | |
872 | ft->fh.flags = 0; | |
873 | ||
874 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
875 | newoft->lock = 0; | |
876 | aim_tx_destroy(newoft); | |
877 | free(listing); | |
878 | faim_mutex_unlock(&conn->active); | |
879 | return -1; | |
880 | } | |
881 | ||
646c6b52 | 882 | if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) |
883 | faimdprintf(sess, 2, "eek! bh fail listing\n"); | |
37ee990e | 884 | |
885 | /* send the 120b */ | |
886 | newoft->lock = 0; | |
887 | aim_tx_enqueue(sess, newoft); | |
646c6b52 | 888 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILELISTING)) ) |
37ee990e | 889 | ret = userfunc(sess, NULL, conn, ft, listing); |
890 | ||
891 | faim_mutex_unlock(&conn->active); | |
892 | free(listing); | |
893 | return ret; | |
894 | } | |
646c6b52 | 895 | if (ft->state == 3) { |
37ee990e | 896 | /* waiting on file data */ |
646c6b52 | 897 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILERECEIVE)) ) { |
37ee990e | 898 | faim_mutex_unlock(&conn->active); |
899 | return userfunc(sess, NULL, conn, ft); | |
900 | } | |
901 | faim_mutex_unlock(&conn->active); | |
902 | return 0; | |
903 | } | |
646c6b52 | 904 | if(ft->state == 4) { |
905 | if( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILESTATE4)) ) { | |
906 | faim_mutex_unlock(&conn->active); | |
907 | return userfunc(sess, NULL, conn); | |
908 | } | |
909 | faim_mutex_unlock(&conn->active); | |
910 | aim_conn_close(conn); | |
911 | return 0; | |
912 | } | |
37ee990e | 913 | } |
871e2fd0 | 914 | |
646c6b52 | 915 | if ( (hdrlen = aim_recv(conn->fd, hdrbuf1, 6)) < 6) { |
916 | faimdprintf(sess, 2, "faim: rend: read error (fd: %i) %02x%02x%02x%02x%02x%02x (%i)\n", | |
37ee990e | 917 | conn->fd, hdrbuf1[0],hdrbuf1[1],hdrbuf1[2],hdrbuf1[3],hdrbuf1[4],hdrbuf1[5],hdrlen); |
918 | faim_mutex_unlock(&conn->active); | |
646c6b52 | 919 | if (hdrlen < 0) |
37ee990e | 920 | perror("read"); |
921 | else { /* disconnected */ | |
646c6b52 | 922 | char *screenname = NULL; |
923 | int ret; | |
924 | struct aim_msgcookie_t *cook; | |
925 | ||
37ee990e | 926 | switch(conn->subtype) { |
927 | case AIM_CONN_SUBTYPE_OFT_DIRECTIM: { | |
37ee990e | 928 | struct aim_directim_priv *priv = NULL; |
646c6b52 | 929 | if (!(priv = (struct aim_directim_priv *)conn->priv) ) |
37ee990e | 930 | return -1; |
646c6b52 | 931 | |
932 | screenname = strdup(priv->sn); | |
933 | ||
934 | cook = aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTIM); | |
935 | aim_cookie_free(sess, cook); | |
936 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMDISCONNECT)) ) { | |
37ee990e | 937 | aim_conn_close(conn); |
646c6b52 | 938 | ret = userfunc(sess, NULL, conn, screenname); |
939 | free(screenname); | |
940 | return ret; | |
37ee990e | 941 | } |
942 | break; | |
943 | } | |
944 | case AIM_CONN_SUBTYPE_OFT_GETFILE: { | |
945 | struct aim_filetransfer_priv *priv; | |
646c6b52 | 946 | if (!(priv = (struct aim_filetransfer_priv *)conn->priv)) |
37ee990e | 947 | return -1; |
646c6b52 | 948 | screenname = strdup(priv->sn); |
949 | ||
950 | cook = aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTGET); | |
951 | ||
952 | aim_cookie_free(sess, cook); | |
953 | ||
954 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEDISCONNECT)) ) { | |
37ee990e | 955 | aim_conn_close(conn); |
646c6b52 | 956 | ret = userfunc(sess, NULL, conn, screenname); |
957 | free(screenname); | |
958 | return ret; | |
37ee990e | 959 | } |
960 | break; | |
961 | } | |
962 | case AIM_CONN_SUBTYPE_OFT_SENDFILE: { | |
963 | struct aim_filetransfer_priv *priv; | |
646c6b52 | 964 | if (!(priv = (struct aim_filetransfer_priv *)conn->priv)) |
37ee990e | 965 | return -1; |
646c6b52 | 966 | |
967 | screenname = strdup(priv->sn); | |
968 | ||
969 | cook = aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTSEND); | |
970 | aim_cookie_free(sess, cook); | |
971 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_SENDFILEDISCONNECT)) ) { | |
37ee990e | 972 | aim_conn_close(conn); |
646c6b52 | 973 | ret = userfunc(sess, NULL, conn, screenname); |
974 | free(screenname); | |
975 | return ret; | |
37ee990e | 976 | } |
977 | break; | |
978 | } | |
979 | } | |
980 | ||
981 | aim_conn_close(conn); | |
982 | return -1; | |
983 | } | |
984 | } | |
985 | ||
986 | hdrlen = aimutil_get16(hdrbuf1+4); | |
987 | hdrlen -= 6; | |
988 | ||
989 | if (!(hdr = malloc(hdrlen))) { | |
990 | faim_mutex_unlock(&conn->active); | |
991 | return -1; | |
992 | } | |
993 | ||
994 | if (aim_recv(conn->fd, hdr, hdrlen) < hdrlen) { | |
995 | perror("read"); | |
646c6b52 | 996 | faimdprintf(sess, 2,"faim: rend: read2 error on %d (%d)\n", conn->fd, hdrlen); |
37ee990e | 997 | free(hdr); |
998 | faim_mutex_unlock(&conn->active); | |
999 | aim_conn_close(conn); | |
1000 | return -1; | |
9e8c4225 | 1001 | } |
37ee990e | 1002 | hdrtype = aimutil_get16(hdr); |
646c6b52 | 1003 | |
37ee990e | 1004 | switch (hdrtype) { |
1005 | case 0x0001: { /* directim */ | |
1006 | int payloadlength = 0; | |
1007 | char *snptr = NULL; | |
1008 | struct aim_directim_priv *priv; | |
1009 | int i; | |
1010 | ||
646c6b52 | 1011 | if (!(priv = (struct aim_directim_priv *)calloc(1, sizeof(struct aim_directim_priv)))) { |
37ee990e | 1012 | faim_mutex_unlock(&conn->active); |
646c6b52 | 1013 | free(hdr); |
37ee990e | 1014 | return -1; |
1015 | } | |
1016 | ||
1017 | payloadlength = aimutil_get32(hdr+22); | |
1018 | flags = aimutil_get16(hdr+32); | |
1019 | snptr = (char *)hdr+38; | |
1020 | strncpy(priv->sn, snptr, MAXSNLEN); | |
1021 | ||
9e8c4225 | 1022 | faimdprintf(sess, 2, "faim: OFT frame: %04x / %04x / %04x / %s\n", hdrtype, payloadlength, flags, priv->sn); |
646c6b52 | 1023 | |
1024 | free(hdr); | |
1025 | hdr = NULL; | |
37ee990e | 1026 | |
1027 | if (flags == 0x000e) { | |
1028 | faim_mutex_unlock(&conn->active); | |
646c6b52 | 1029 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMTYPING)) ) |
9e8c4225 | 1030 | return userfunc(sess, NULL, conn); |
646c6b52 | 1031 | } else { |
1032 | ||
37ee990e | 1033 | if ((flags == 0x0000) && payloadlength) { |
1034 | unsigned char *msg; | |
646c6b52 | 1035 | |
1036 | if (!(msg = calloc(1, payloadlength+1))) { | |
37ee990e | 1037 | faim_mutex_unlock(&conn->active); |
1038 | return -1; | |
1039 | } | |
646c6b52 | 1040 | |
37ee990e | 1041 | if (aim_recv(conn->fd, msg, payloadlength) < payloadlength) { |
1042 | perror("read"); | |
646c6b52 | 1043 | faimdprintf(sess, 2,"faim: rend: read3 error\n"); |
37ee990e | 1044 | free(msg); |
1045 | faim_mutex_unlock(&conn->active); | |
1046 | aim_conn_close(conn); | |
1047 | return -1; | |
1048 | } | |
646c6b52 | 1049 | |
37ee990e | 1050 | faim_mutex_unlock(&conn->active); |
1051 | msg[payloadlength] = 0x00; | |
9e8c4225 | 1052 | faimdprintf(sess, 2, "faim: directim: %s/%04x/%04x/%s\n", priv->sn, payloadlength, flags, msg); |
646c6b52 | 1053 | |
1054 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMINCOMING)) ) | |
9e8c4225 | 1055 | i = userfunc(sess, NULL, conn, msg); |
646c6b52 | 1056 | else { |
9e8c4225 | 1057 | faimdprintf(sess, 0, "directim: %s/%04x/%04x/%s\n", priv->sn, payloadlength, flags, msg); |
646c6b52 | 1058 | i = 1; |
1059 | } | |
1060 | ||
37ee990e | 1061 | free(msg); |
646c6b52 | 1062 | |
37ee990e | 1063 | return i; |
1064 | } | |
646c6b52 | 1065 | } |
37ee990e | 1066 | break; |
1067 | } | |
1068 | case 0x1108: { /* getfile listing.txt incoming tx->rx */ | |
1069 | struct aim_filetransfer_priv *ft; | |
1070 | struct aim_fileheader_t *fh; | |
1071 | struct aim_msgcookie_t *cook; | |
1072 | struct command_tx_struct *newoft; | |
646c6b52 | 1073 | |
1074 | faimdprintf(sess, 2,"faim: rend: fileget 0x1108\n"); | |
37ee990e | 1075 | fh = aim_oft_getfh(hdr); |
646c6b52 | 1076 | |
1077 | free(hdr); | |
1078 | hdr = NULL; | |
1079 | ||
37ee990e | 1080 | faim_mutex_unlock(&conn->active); |
646c6b52 | 1081 | |
1082 | if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { | |
37ee990e | 1083 | faim_mutex_unlock(&conn->active); |
1084 | free(fh); | |
1085 | return -1; | |
1086 | } | |
646c6b52 | 1087 | |
37ee990e | 1088 | ft = cook->data; |
37ee990e | 1089 | |
1090 | /* we're waaaaiiiting.. for listing.txt */ | |
646c6b52 | 1091 | ft->state = 2; |
37ee990e | 1092 | |
1093 | memcpy(&(ft->fh), fh, sizeof(struct aim_fileheader_t)); | |
37ee990e | 1094 | free(fh); |
1095 | ||
646c6b52 | 1096 | if(aim_cachecookie(sess, cook) == -1) { |
1097 | faimdprintf(sess, 1, "error caching cookie\n"); | |
1098 | return -1; | |
1099 | } | |
1100 | ||
1101 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x1209, 0))) { | |
37ee990e | 1102 | aim_conn_close(conn); |
1103 | return -1; | |
1104 | } | |
1105 | ||
1106 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1107 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1108 | ||
1109 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1110 | newoft->lock = 0; | |
1111 | aim_tx_destroy(newoft); | |
1112 | return -1; | |
1113 | } | |
1114 | ||
646c6b52 | 1115 | if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { |
37ee990e | 1116 | newoft->lock = 0; |
1117 | aim_tx_destroy(newoft); | |
1118 | return -1; | |
1119 | } | |
1120 | ||
1121 | newoft->lock = 0; | |
1122 | aim_tx_enqueue(sess, newoft); | |
1123 | break; | |
1124 | ||
1125 | } | |
1126 | case 0x1209: { /* get file listing ack rx->tx */ | |
1127 | struct aim_filetransfer_priv *ft; | |
1128 | struct aim_fileheader_t *fh; | |
1129 | struct aim_msgcookie_t *cook; | |
646c6b52 | 1130 | int ret = 0; |
1131 | ||
1132 | if(!(fh = aim_oft_getfh(hdr))) { | |
1133 | perror("getfh"); | |
1134 | free(hdr); | |
1135 | return -1; | |
1136 | } | |
1137 | ||
1138 | free(hdr); | |
1139 | hdr = NULL; | |
37ee990e | 1140 | |
37ee990e | 1141 | faim_mutex_unlock(&conn->active); |
1142 | ||
646c6b52 | 1143 | if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) |
1144 | faimdprintf(sess, 2, "shit, no cookie in 0x1209. (%i/%s)going to crash..\n", | |
37ee990e | 1145 | AIM_COOKIETYPE_OFTGET, fh->bcookie); |
1146 | ||
1147 | ft = cook->data; | |
1148 | ||
646c6b52 | 1149 | if (ft->fh.size != fh->size) |
1150 | faimdprintf(sess, 2, "hrm. ft->fh.size (%ld) != fh->size (%ld). um. using ft->fh.size\n", | |
37ee990e | 1151 | ft->fh.size, fh->size); |
37ee990e | 1152 | |
646c6b52 | 1153 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILELISTINGREQ))) |
1154 | ret = userfunc(sess, NULL, conn, fh); | |
37ee990e | 1155 | |
646c6b52 | 1156 | faimdprintf(sess, 2, "faim: get_command_rendezvous: hit end of 1209\n"); |
37ee990e | 1157 | |
1158 | free(fh); | |
1159 | ||
1160 | return ret; | |
1161 | ||
1162 | break; | |
1163 | } | |
1164 | case 0x120b: { /* getfile listing.txt rx confirm */ | |
1165 | struct aim_filetransfer_priv *ft; | |
1166 | struct aim_msgcookie_t *cook; | |
1167 | struct aim_fileheader_t *fh; | |
1168 | ||
1169 | fh = aim_oft_getfh(hdr); | |
646c6b52 | 1170 | |
1171 | free(hdr); | |
1172 | hdr = NULL; | |
1173 | ||
37ee990e | 1174 | faim_mutex_unlock(&conn->active); |
1175 | ||
646c6b52 | 1176 | if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { |
37ee990e | 1177 | free(fh); |
1178 | return -1; | |
1179 | } | |
1180 | ||
37ee990e | 1181 | free(fh); |
1182 | ||
646c6b52 | 1183 | ft = cook->data; |
1184 | ||
1185 | if (aim_cachecookie(sess, cook) == -1) { | |
1186 | return -1; | |
1187 | } | |
1188 | ||
1189 | if((userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILELISTINGRXCONFIRM))) | |
1190 | return userfunc(sess, NULL, conn); | |
1191 | ||
37ee990e | 1192 | break; |
1193 | } | |
1194 | case 0x120c: { /* getfile file request */ | |
1195 | struct aim_filetransfer_priv *ft; | |
1196 | struct aim_msgcookie_t *cook; | |
1197 | struct aim_fileheader_t *fh; | |
1198 | struct command_tx_struct *newoft; | |
646c6b52 | 1199 | int i = 0; |
37ee990e | 1200 | |
1201 | fh = aim_oft_getfh(hdr); | |
646c6b52 | 1202 | |
1203 | free(hdr); | |
1204 | hdr = NULL; | |
1205 | ||
37ee990e | 1206 | faim_mutex_unlock(&conn->active); |
871e2fd0 | 1207 | |
646c6b52 | 1208 | if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { |
1209 | faimdprintf(sess, 2, "no cookie in 120c\n"); | |
37ee990e | 1210 | return -1; |
646c6b52 | 1211 | } |
3b101546 | 1212 | |
37ee990e | 1213 | ft = cook->data; |
1214 | memcpy(&(ft->fh), fh, sizeof(struct aim_fileheader_t)); | |
1215 | free(fh); | |
871e2fd0 | 1216 | |
37ee990e | 1217 | aim_cachecookie(sess, cook); |
3b101546 | 1218 | |
646c6b52 | 1219 | faimdprintf(sess, 2, "faim: fileget: %s seems to want %s\n", ft->sn, ft->fh.name); |
3b101546 | 1220 | |
646c6b52 | 1221 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEFILEREQ)) ) |
37ee990e | 1222 | i = userfunc(sess, NULL, conn, &(ft->fh), cook->cookie); |
3b101546 | 1223 | |
646c6b52 | 1224 | if (i < 0) |
1225 | return i; | |
871e2fd0 | 1226 | |
646c6b52 | 1227 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0101, 0))) { |
1228 | faimdprintf(sess, 2, "faim: send_final_transfer: tx_new OFT failed\n"); | |
37ee990e | 1229 | return -1; |
1230 | } | |
871e2fd0 | 1231 | |
37ee990e | 1232 | newoft->lock = 1; |
1233 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1234 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
871e2fd0 | 1235 | |
37ee990e | 1236 | if (!(newoft->hdr.oft.hdr2 = calloc(1,newoft->hdr.oft.hdr2len))) { |
1237 | newoft->lock = 0; | |
1238 | aim_tx_destroy(newoft); | |
1239 | return -1; | |
1240 | } | |
871e2fd0 | 1241 | |
37ee990e | 1242 | /* protocol BS: nrecvd, recvcsum to 0, flags to 0x20. */ |
1243 | ft->fh.nrecvd = 0; | |
1244 | ft->fh.recvcsum = 0; | |
1245 | ft->fh.flags = 0x20; | |
871e2fd0 | 1246 | |
37ee990e | 1247 | aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)); |
871e2fd0 | 1248 | |
37ee990e | 1249 | newoft->lock = 0; |
1250 | aim_tx_enqueue(sess, newoft); | |
871e2fd0 | 1251 | |
646c6b52 | 1252 | faimdprintf(sess, 2, "faim: OFT: OFT file header enqueued.\n"); |
7392c79f | 1253 | |
37ee990e | 1254 | return i; |
7392c79f | 1255 | |
37ee990e | 1256 | break; |
1257 | } | |
1258 | case 0x0101: { /* getfile: sending data */ | |
1259 | struct aim_fileheader_t *fh; | |
1260 | struct aim_filetransfer_priv *ft; | |
1261 | struct aim_msgcookie_t *cook; | |
1262 | struct command_tx_struct *newoft; | |
7392c79f | 1263 | |
37ee990e | 1264 | fh = aim_oft_getfh(hdr); |
646c6b52 | 1265 | |
1266 | free(hdr); | |
1267 | hdr = NULL; | |
1268 | ||
37ee990e | 1269 | faim_mutex_unlock(&conn->active); |
871e2fd0 | 1270 | |
646c6b52 | 1271 | if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { |
37ee990e | 1272 | free(fh); |
1273 | return -1; | |
1274 | } | |
1275 | free(fh); | |
871e2fd0 | 1276 | |
37ee990e | 1277 | ft = cook->data; |
7392c79f | 1278 | |
37ee990e | 1279 | ft->state = 3; |
7392c79f | 1280 | |
646c6b52 | 1281 | if (aim_cachecookie(sess, cook) == -1) { |
1282 | perror("aim_cachecookie"); | |
1283 | return -1; | |
1284 | } | |
1285 | ||
1286 | faimdprintf(sess, 2, "faim: fileget: %s seems to want to send %s\n", ft->sn, ft->fh.name); | |
7392c79f | 1287 | |
646c6b52 | 1288 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0202, 0))) { |
37ee990e | 1289 | aim_conn_close(conn); |
646c6b52 | 1290 | faimdprintf(sess, 2, "faim: send_final_transfer: tx_new OFT failed\n"); |
37ee990e | 1291 | return -1; |
1292 | } | |
7392c79f | 1293 | |
37ee990e | 1294 | newoft->lock = 1; |
1295 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
7392c79f | 1296 | |
37ee990e | 1297 | newoft->hdr.oft.hdr2len = 0x100 - 8; |
7392c79f | 1298 | |
37ee990e | 1299 | if (!(newoft->hdr.oft.hdr2 = calloc(1,newoft->hdr.oft.hdr2len))) { |
1300 | newoft->lock = 0; | |
1301 | aim_tx_destroy(newoft); | |
1302 | return -1; | |
1303 | } | |
4dd56961 | 1304 | |
37ee990e | 1305 | aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)); |
871e2fd0 | 1306 | |
37ee990e | 1307 | newoft->lock = 0; |
1308 | aim_tx_enqueue(sess, newoft); | |
7392c79f | 1309 | |
646c6b52 | 1310 | faimdprintf(sess, 2, "faim: OFT: OFT 0x0202 enqueued.\n"); |
7392c79f | 1311 | |
646c6b52 | 1312 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEFILEREQ)) == NULL) |
37ee990e | 1313 | return 1; |
7392c79f | 1314 | |
37ee990e | 1315 | break; |
1316 | } | |
646c6b52 | 1317 | case 0x0202: { /* get file: ready to receive data */ |
37ee990e | 1318 | struct aim_fileheader_t *fh; |
1319 | struct aim_filetransfer_priv *ft; | |
1320 | struct aim_msgcookie_t *cook; | |
1321 | int ret = 1; | |
7392c79f | 1322 | |
37ee990e | 1323 | fh = aim_oft_getfh(hdr); |
646c6b52 | 1324 | |
1325 | free(hdr); | |
1326 | hdr = NULL; | |
1327 | ||
37ee990e | 1328 | faim_mutex_unlock(&conn->active); |
7392c79f | 1329 | |
646c6b52 | 1330 | if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { |
37ee990e | 1331 | free(fh); |
1332 | return -1; | |
1333 | } | |
1334 | ||
1335 | ft = cook->data; | |
7392c79f | 1336 | |
646c6b52 | 1337 | faimdprintf(sess, 2, "faim: get_rend: looks like we're ready to send data.(oft 0x0202)\n"); |
7392c79f | 1338 | |
646c6b52 | 1339 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEFILESEND)) ) |
37ee990e | 1340 | ret = userfunc(sess, NULL, conn, fh); |
7392c79f | 1341 | |
37ee990e | 1342 | free(fh); |
4dd56961 | 1343 | |
37ee990e | 1344 | return ret; |
1345 | break; | |
1346 | } | |
1347 | case 0x0204: { /* get file: finished. close it up */ | |
1348 | int i; | |
1349 | struct aim_fileheader_t *fh; | |
871e2fd0 | 1350 | |
9e8c4225 | 1351 | if(!(fh = aim_oft_getfh(hdr))) |
1352 | return -1; | |
646c6b52 | 1353 | |
1354 | free(hdr); | |
1355 | hdr = NULL; | |
1356 | ||
37ee990e | 1357 | faim_mutex_unlock(&conn->active); |
871e2fd0 | 1358 | |
646c6b52 | 1359 | faimdprintf(sess, 2, "faim: get_rend: looks like we're done with a transfer (oft 0x0204)\n"); |
871e2fd0 | 1360 | |
646c6b52 | 1361 | if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILECOMPLETE)) ) |
37ee990e | 1362 | i = userfunc(sess, NULL, conn, fh); |
1363 | else | |
1364 | i = 1; | |
871e2fd0 | 1365 | |
646c6b52 | 1366 | if (conn) |
37ee990e | 1367 | aim_conn_close(conn); |
871e2fd0 | 1368 | |
37ee990e | 1369 | free(fh); |
7392c79f | 1370 | |
37ee990e | 1371 | return i; |
1372 | break; | |
1373 | } | |
646c6b52 | 1374 | default: { |
1375 | free(hdr); | |
1376 | hdr = NULL; | |
1377 | faimdprintf(sess, 2,"faim: OFT frame: uknown type %04x\n", hdrtype); | |
1378 | faim_mutex_unlock(&conn->active); | |
1379 | break; | |
37ee990e | 1380 | } |
1381 | } /* switch */ | |
9e8c4225 | 1382 | |
646c6b52 | 1383 | if (hdr) { |
1384 | faimdprintf(sess, 0, "hdr wasn't freed by a rendezvous switch case (hdrtype: %0x04x)!\n", hdrtype); | |
1385 | free(hdr); | |
1386 | hdr = NULL; | |
1387 | } | |
37ee990e | 1388 | return 0; |
7392c79f | 1389 | } |
37ee990e | 1390 | |
646c6b52 | 1391 | /** |
1392 | * aim_oft_getfh - extracts an &aim_fileheader_t from buffer hdr. | |
37ee990e | 1393 | * @hdr: buffer to extract header from |
1394 | * | |
646c6b52 | 1395 | * returns pointer to new struct on success; %NULL on error. |
871e2fd0 | 1396 | * |
7392c79f | 1397 | */ |
37ee990e | 1398 | static struct aim_fileheader_t *aim_oft_getfh(unsigned char *hdr) |
7392c79f | 1399 | { |
1400 | struct aim_fileheader_t *fh; | |
1401 | int i, j; | |
646c6b52 | 1402 | if (!(fh = calloc(1, sizeof(struct aim_fileheader_t)))) |
7392c79f | 1403 | return NULL; |
37ee990e | 1404 | |
7392c79f | 1405 | /* [0] and [1] are the type. we can ignore those here. */ |
7392c79f | 1406 | i = 2; |
7392c79f | 1407 | for(j = 0; j < 8; j++, i++) |
1408 | fh->bcookie[j] = hdr[i]; | |
1409 | fh->encrypt = aimutil_get16(hdr+i); | |
1410 | i += 2; | |
1411 | fh->compress = aimutil_get16(hdr+i); | |
1412 | i += 2; | |
1413 | fh->totfiles = aimutil_get16(hdr+i); | |
1414 | i += 2; | |
1415 | fh->filesleft = aimutil_get16(hdr+i); | |
1416 | i += 2; | |
1417 | fh->totparts = aimutil_get16(hdr+i); | |
1418 | i += 2; | |
1419 | fh->partsleft = aimutil_get16(hdr+i); | |
1420 | i += 2; | |
1421 | fh->totsize = aimutil_get32(hdr+i); | |
1422 | i += 4; | |
1423 | fh->size = aimutil_get32(hdr+i); | |
1424 | i += 4; | |
1425 | fh->modtime = aimutil_get32(hdr+i); | |
1426 | i += 4; | |
1427 | fh->checksum = aimutil_get32(hdr+i); | |
1428 | i += 4; | |
1429 | fh->rfrcsum = aimutil_get32(hdr+i); | |
1430 | i += 4; | |
1431 | fh->rfsize = aimutil_get32(hdr+i); | |
1432 | i += 4; | |
1433 | fh->cretime = aimutil_get32(hdr+i); | |
1434 | i += 4; | |
1435 | fh->rfcsum = aimutil_get32(hdr+i); | |
1436 | i += 4; | |
1437 | fh->nrecvd = aimutil_get32(hdr+i); | |
1438 | i += 4; | |
1439 | fh->recvcsum = aimutil_get32(hdr+i); | |
1440 | i += 4; | |
7392c79f | 1441 | memcpy(fh->idstring, hdr+i, 32); |
1442 | i += 32; | |
7392c79f | 1443 | fh->flags = aimutil_get8(hdr+i); |
1444 | i += 1; | |
1445 | fh->lnameoffset = aimutil_get8(hdr+i); | |
1446 | i += 1; | |
1447 | fh->lsizeoffset = aimutil_get8(hdr+i); | |
1448 | i += 1; | |
7392c79f | 1449 | memcpy(fh->dummy, hdr+i, 69); |
1450 | i += 69; | |
7392c79f | 1451 | memcpy(fh->macfileinfo, hdr+i, 16); |
1452 | i += 16; | |
7392c79f | 1453 | fh->nencode = aimutil_get16(hdr+i); |
1454 | i += 2; | |
1455 | fh->nlanguage = aimutil_get16(hdr+i); | |
1456 | i += 2; | |
7392c79f | 1457 | memcpy(fh->name, hdr+i, 64); |
1458 | i += 64; | |
7392c79f | 1459 | return fh; |
37ee990e | 1460 | } |
871e2fd0 | 1461 | |
646c6b52 | 1462 | /** |
37ee990e | 1463 | * aim_oft_checksum - calculate oft checksum of buffer |
1464 | * @buffer: buffer of data to checksum | |
1465 | * @bufsize: size of buffer | |
1466 | * @checksum: pointer to integer to place result in (pointer!) | |
37ee990e | 1467 | * |
646c6b52 | 1468 | * |
1469 | * Note that checksum is a pointer. Checksum should be filled with | |
37ee990e | 1470 | * 0xFFFF0000 for each new file; you can have this checksum chunks of |
1471 | * files in series if you just call it repeatedly in a for(; ; ) loop | |
646c6b52 | 1472 | * and don't reset the checksum between each call. And you thought we |
37ee990e | 1473 | * didn't care about you and your pathetic client's meomry footprint |
1474 | * ;^) | |
1475 | * | |
646c6b52 | 1476 | * |
1477 | * Also, it's been said that this is incorrect as currently | |
1478 | * written. You were warned. | |
37ee990e | 1479 | */ |
646c6b52 | 1480 | faim_export int aim_oft_checksum(struct aim_session_t *sess, char *buffer, int bufsize, int *checksum) |
1481 | { | |
1482 | short check0, check1; | |
1483 | int i; | |
1484 | check0 = ((*checksum & 0xFF000000) >> 16); | |
1485 | check1 = ((*checksum & 0x00ff0000) >> 16); | |
1486 | for(i = 0; i < bufsize; i++) { | |
1487 | if (i % 2) { /* use check1 -- second byte */ | |
1488 | if ( (short)buffer[i] > check1 ) { /* wrapping */ | |
1489 | check1 += 0x100; /* this is a cheap way to wrap */ | |
1490 | ||
1491 | /* if we're wrapping, decrement the other one */ | |
1492 | /* XXX: check this corner case */ | |
1493 | if (check0 == 0) | |
1494 | check0 = 0x00ff; | |
1495 | else | |
1496 | check0--; | |
1497 | } | |
1498 | check1 -= buffer[i]; | |
1499 | } else { /* use check0 -- first byte */ | |
1500 | if ( (short)buffer[i] > check0 ) { /* wrapping */ | |
1501 | check0 += 0x100; /* this is a cheap way to wrap */ | |
871e2fd0 | 1502 | |
646c6b52 | 1503 | /* if we're wrapping, decrement the other one */ |
1504 | /* XXX: check this corner case */ | |
1505 | if (check1 == 0) | |
1506 | check1 = 0x00ff; | |
1507 | else | |
1508 | check1--; | |
1509 | } | |
1510 | check0 -= buffer[i]; | |
1511 | } | |
1512 | } | |
37ee990e | 1513 | |
646c6b52 | 1514 | if (check0 > 0xff || check1 > 0xff) { |
1515 | /* they shouldn't be able to do this. error! */ | |
1516 | faimdprintf(sess, 2, "check0 or check1 is too high: 0x%04x, 0x%04x\n", check0, check1); | |
1517 | return -1; | |
1518 | } | |
37ee990e | 1519 | |
646c6b52 | 1520 | /* grab just the lowest byte; this should be clean, but just in |
1521 | case */ | |
1522 | check0 &= 0xff; | |
1523 | check1 &= 0xff; | |
37ee990e | 1524 | |
646c6b52 | 1525 | *checksum = ((check0 * 0x1000000) + (check1 * 0x10000)); |
1526 | return *checksum; | |
37ee990e | 1527 | } |
871e2fd0 | 1528 | |
646c6b52 | 1529 | /** |
37ee990e | 1530 | * aim_oft_buildheader - fills a buffer with network-order fh data |
1531 | * @dest: buffer to fill -- pre-alloced | |
1532 | * @fh: fh to get data from | |
871e2fd0 | 1533 | * |
37ee990e | 1534 | * returns length written; -1 on error. |
871e2fd0 | 1535 | * DOES NOT DO BOUNDS CHECKING! |
37ee990e | 1536 | * |
871e2fd0 | 1537 | */ |
37ee990e | 1538 | faim_internal int aim_oft_buildheader(unsigned char *dest,struct aim_fileheader_t *fh) |
1539 | { | |
871e2fd0 | 1540 | int i, curbyte; |
646c6b52 | 1541 | if (!dest || !fh) |
871e2fd0 | 1542 | return -1; |
37ee990e | 1543 | curbyte = 0; |
1544 | for(i = 0; i < 8; i++) | |
1545 | curbyte += aimutil_put8(dest+curbyte, fh->bcookie[i]); | |
1546 | curbyte += aimutil_put16(dest+curbyte, fh->encrypt); | |
1547 | curbyte += aimutil_put16(dest+curbyte, fh->compress); | |
1548 | curbyte += aimutil_put16(dest+curbyte, fh->totfiles); | |
1549 | curbyte += aimutil_put16(dest+curbyte, fh->filesleft); | |
1550 | curbyte += aimutil_put16(dest+curbyte, fh->totparts); | |
1551 | curbyte += aimutil_put16(dest+curbyte, fh->partsleft); | |
1552 | curbyte += aimutil_put32(dest+curbyte, fh->totsize); | |
1553 | curbyte += aimutil_put32(dest+curbyte, fh->size); | |
1554 | curbyte += aimutil_put32(dest+curbyte, fh->modtime); | |
1555 | curbyte += aimutil_put32(dest+curbyte, fh->checksum); | |
1556 | curbyte += aimutil_put32(dest+curbyte, fh->rfrcsum); | |
1557 | curbyte += aimutil_put32(dest+curbyte, fh->rfsize); | |
1558 | curbyte += aimutil_put32(dest+curbyte, fh->cretime); | |
1559 | curbyte += aimutil_put32(dest+curbyte, fh->rfcsum); | |
1560 | curbyte += aimutil_put32(dest+curbyte, fh->nrecvd); | |
1561 | curbyte += aimutil_put32(dest+curbyte, fh->recvcsum); | |
1562 | memcpy(dest+curbyte, fh->idstring, 32); | |
871e2fd0 | 1563 | curbyte += 32; |
37ee990e | 1564 | curbyte += aimutil_put8(dest+curbyte, fh->flags); |
1565 | curbyte += aimutil_put8(dest+curbyte, fh->lnameoffset); | |
1566 | curbyte += aimutil_put8(dest+curbyte, fh->lsizeoffset); | |
1567 | memcpy(dest+curbyte, fh->dummy, 69); | |
871e2fd0 | 1568 | curbyte += 69; |
37ee990e | 1569 | memcpy(dest+curbyte, fh->macfileinfo, 16); |
871e2fd0 | 1570 | curbyte += 16; |
37ee990e | 1571 | curbyte += aimutil_put16(dest+curbyte, fh->nencode); |
1572 | curbyte += aimutil_put16(dest+curbyte, fh->nlanguage); | |
1573 | memset(dest+curbyte, 0x00, 64); | |
1574 | memcpy(dest+curbyte, fh->name, 64); | |
871e2fd0 | 1575 | |
37ee990e | 1576 | /* XXX: Filenames longer than 64B */ |
871e2fd0 | 1577 | curbyte += 64; |
871e2fd0 | 1578 | return curbyte; |
1579 | } | |
871e2fd0 | 1580 | |
37ee990e | 1581 | |
646c6b52 | 1582 | /** |
1583 | * aim_tx_destroy - free's tx_command_t's | |
1584 | * @command: the command to free | |
1585 | * | |
1586 | * if command is locked, doesn't free. | |
1587 | * returns -1 on error (locked struct); 0 on success. | |
1588 | * | |
1589 | */ | |
37ee990e | 1590 | faim_internal int aim_tx_destroy(struct command_tx_struct *command){ |
646c6b52 | 1591 | if (command->lock) |
871e2fd0 | 1592 | return -1; |
646c6b52 | 1593 | if (command->data) |
871e2fd0 | 1594 | free(command->data); |
37ee990e | 1595 | if (command->hdrtype == AIM_FRAMETYPE_OFT && command->hdr.oft.hdr2) |
1596 | free(command->hdr.oft.hdr2); | |
871e2fd0 | 1597 | free(command); |
871e2fd0 | 1598 | return 0; |
37ee990e | 1599 | } |
871e2fd0 | 1600 | |
646c6b52 | 1601 | /** |
1602 | * aim_getfile_intitiate - Request an OFT getfile session | |
37ee990e | 1603 | * @sess: your session, |
1604 | * @conn: the BOS conn, | |
1605 | * @destsn is the SN to connect to. | |
646c6b52 | 1606 | * |
1607 | * returns a new &aim_conn_t on success, %NULL on error | |
871e2fd0 | 1608 | */ |
37ee990e | 1609 | faim_export struct aim_conn_t *aim_getfile_initiate(struct aim_session_t *sess, struct aim_conn_t *conn, char *destsn) |
1610 | { | |
871e2fd0 | 1611 | struct command_tx_struct *newpacket; |
646c6b52 | 1612 | struct aim_conn_t *newconn; |
1613 | struct aim_filetransfer_priv *priv; | |
1614 | struct aim_msgcookie_t *cookie; | |
1615 | int curbyte, i, listenfd; | |
1616 | short port = 4443; | |
1617 | struct hostent *hptr; | |
1618 | struct utsname myname; | |
1619 | char cap[16]; | |
1620 | char d[4]; | |
37ee990e | 1621 | |
646c6b52 | 1622 | /* Open our socket */ |
871e2fd0 | 1623 | |
646c6b52 | 1624 | if ( (listenfd = aim_listenestablish(port)) == -1) |
1625 | return NULL; | |
871e2fd0 | 1626 | |
646c6b52 | 1627 | /* get our local IP */ |
871e2fd0 | 1628 | |
646c6b52 | 1629 | if (uname(&myname) < 0) |
1630 | return NULL; | |
1631 | if ( (hptr = gethostbyname(myname.nodename)) == NULL) | |
1632 | return NULL; | |
1633 | memcpy(&d, hptr->h_addr_list[0], 4); | |
871e2fd0 | 1634 | |
646c6b52 | 1635 | aim_putcap(cap, 16, AIM_CAPS_GETFILE); |
871e2fd0 | 1636 | |
646c6b52 | 1637 | /* create the OSCAR packet */ |
871e2fd0 | 1638 | |
646c6b52 | 1639 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+8+2+1+strlen(destsn)+4+4+0x42))) |
1640 | return NULL; | |
1641 | newpacket->lock = 1; | |
871e2fd0 | 1642 | |
646c6b52 | 1643 | /* lock struct */ |
1644 | curbyte = 0; | |
1645 | curbyte += aim_putsnac(newpacket->data+curbyte, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
871e2fd0 | 1646 | |
646c6b52 | 1647 | /* XXX: check the cookie before commiting to using it */ |
871e2fd0 | 1648 | |
646c6b52 | 1649 | /* Generate a random message cookie |
1650 | * This cookie needs to be alphanumeric and NULL-terminated to be TOC-compatible. */ | |
1651 | for (i=0; i<7; i++) | |
1652 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x30 + ((u_char) random() % 10)); | |
871e2fd0 | 1653 | |
646c6b52 | 1654 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); |
871e2fd0 | 1655 | |
646c6b52 | 1656 | /* grab all the data for cookie caching. */ |
1657 | ||
1658 | if (!(cookie = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)))) | |
1659 | return NULL; | |
1660 | memcpy(cookie->cookie, newpacket->data+curbyte-8, 8); | |
1661 | cookie->type = AIM_COOKIETYPE_OFTGET; | |
871e2fd0 | 1662 | |
646c6b52 | 1663 | if (!(priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv)))) |
1664 | return NULL; | |
1665 | memcpy(priv->cookie, cookie, 8); | |
1666 | memcpy(priv->sn, destsn, sizeof(priv->sn)); | |
1667 | memcpy(priv->fh.name, "listing.txt", strlen("listing.txt")); | |
1668 | priv->state = 1; | |
871e2fd0 | 1669 | |
646c6b52 | 1670 | cookie->data = priv; |
871e2fd0 | 1671 | |
646c6b52 | 1672 | aim_cachecookie(sess, cookie); |
1673 | ||
1674 | /* Channel ID */ | |
1675 | curbyte += aimutil_put16(newpacket->data+curbyte,0x0002); | |
871e2fd0 | 1676 | |
646c6b52 | 1677 | /* Destination SN (prepended with byte length) */ |
1678 | curbyte += aimutil_put8(newpacket->data+curbyte,strlen(destsn)); | |
1679 | curbyte += aimutil_putstr(newpacket->data+curbyte, destsn, strlen(destsn)); | |
1680 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
1681 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
871e2fd0 | 1682 | |
646c6b52 | 1683 | /* enTLV start */ |
1684 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
1685 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0042); | |
871e2fd0 | 1686 | |
646c6b52 | 1687 | /* Flag data / ICBM Parameters? */ |
1688 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
1689 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
871e2fd0 | 1690 | |
646c6b52 | 1691 | /* Cookie */ |
1692 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cookie, 8); | |
871e2fd0 | 1693 | |
646c6b52 | 1694 | /* Capability String */ |
1695 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cap, 0x10); | |
871e2fd0 | 1696 | |
646c6b52 | 1697 | /* 000a/0002 : 0001 */ |
1698 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a); | |
1699 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
1700 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
871e2fd0 | 1701 | |
646c6b52 | 1702 | /* 0003/0004: IP address */ |
1703 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
1704 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0004); | |
1705 | for(i = 0; i < 4; i++) | |
1706 | curbyte += aimutil_put8(newpacket->data+curbyte, d[i]); | |
871e2fd0 | 1707 | |
646c6b52 | 1708 | /* already in network byte order */ |
37ee990e | 1709 | |
646c6b52 | 1710 | /* 0005/0002: Port */ |
1711 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
1712 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
1713 | curbyte += aimutil_put16(newpacket->data+curbyte, port); | |
871e2fd0 | 1714 | |
646c6b52 | 1715 | /* 000f/0000: ?? */ |
1716 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f); | |
1717 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
871e2fd0 | 1718 | |
646c6b52 | 1719 | /* 2711/000c: ?? */ |
1720 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711); | |
1721 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000c); | |
1722 | curbyte += aimutil_put32(newpacket->data+curbyte, 0x00120001); | |
871e2fd0 | 1723 | |
646c6b52 | 1724 | for(i = 0; i < 0x000c - 4; i++) |
1725 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
871e2fd0 | 1726 | |
646c6b52 | 1727 | newpacket->commandlen = curbyte; |
1728 | newpacket->lock = 0; | |
1729 | aim_tx_enqueue(sess, newpacket); | |
871e2fd0 | 1730 | |
646c6b52 | 1731 | /* allocate and set up our connection */ |
871e2fd0 | 1732 | |
646c6b52 | 1733 | i = fcntl(listenfd, F_GETFL, 0); |
1734 | fcntl(listenfd, F_SETFL, i | O_NONBLOCK); | |
1735 | newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL); | |
871e2fd0 | 1736 | |
646c6b52 | 1737 | if (!newconn){ |
1738 | perror("aim_newconn"); | |
1739 | return NULL; | |
1740 | } | |
871e2fd0 | 1741 | |
646c6b52 | 1742 | newconn->fd = listenfd; |
1743 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE; | |
1744 | newconn->priv = priv; | |
1745 | faimdprintf(sess, 2,"faim: listening (fd = %d, unconnected)\n", newconn->fd); | |
871e2fd0 | 1746 | |
646c6b52 | 1747 | return newconn; |
37ee990e | 1748 | } |
1749 | ||
646c6b52 | 1750 | /** |
37ee990e | 1751 | * aim_oft_getfile_request - request a particular file over an established getfile connection |
1752 | * @sess: your session | |
1753 | * @conn: the established OFT getfile connection | |
1754 | * @name: filename to request | |
1755 | * @size: size of the file | |
1756 | * | |
646c6b52 | 1757 | * |
1758 | * returns -1 on error, 0 on successful enqueuing | |
37ee990e | 1759 | */ |
1760 | faim_export int aim_oft_getfile_request(struct aim_session_t *sess, struct aim_conn_t *conn, const unsigned char *name, const int size) | |
1761 | { | |
1762 | struct command_tx_struct *newoft; | |
1763 | struct aim_filetransfer_priv *ft; | |
646c6b52 | 1764 | if (!sess || !conn || !conn->priv || !name) |
1765 | return -1; | |
37ee990e | 1766 | |
646c6b52 | 1767 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x120c, 0))) { |
1768 | faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
1769 | return -1; | |
1770 | } | |
37ee990e | 1771 | |
646c6b52 | 1772 | newoft->lock = 1; |
37ee990e | 1773 | |
646c6b52 | 1774 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); |
1775 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
37ee990e | 1776 | |
646c6b52 | 1777 | ft = (struct aim_filetransfer_priv *)conn->priv; |
1778 | ft->fh.filesleft = 1; | |
1779 | ft->fh.totfiles = 1; | |
1780 | ft->fh.totparts = 1; | |
1781 | ft->fh.partsleft = 1; | |
1782 | ft->fh.totsize = size; | |
1783 | ft->fh.size = size; | |
1784 | ft->fh.checksum = 0; | |
1785 | memcpy(ft->fh.name, name, strlen(name)); | |
1786 | memset(ft->fh.name+strlen(name), 0, 1); | |
1787 | ||
1788 | if (!(newoft->hdr.oft.hdr2 = (unsigned char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1789 | newoft->lock = 0; | |
1790 | aim_tx_destroy(newoft); | |
1791 | return -1; | |
1792 | } | |
37ee990e | 1793 | |
646c6b52 | 1794 | if (!(aim_oft_buildheader(newoft->hdr.oft.hdr2, &(ft->fh)))) { |
1795 | newoft->lock = 0; | |
1796 | aim_tx_destroy(newoft); | |
1797 | return -1; | |
1798 | } | |
37ee990e | 1799 | |
646c6b52 | 1800 | newoft->lock = 0; |
37ee990e | 1801 | |
646c6b52 | 1802 | aim_tx_enqueue(sess, newoft); |
1803 | return 0; | |
37ee990e | 1804 | } |
1805 | ||
646c6b52 | 1806 | /** |
37ee990e | 1807 | * aim_oft_getfile_ack - acknowledge a getfile download as complete |
1808 | * @sess: your session | |
1809 | * @conn: the getfile conn to send the ack over | |
1810 | * | |
646c6b52 | 1811 | * Call this function after you have read all the data in a particular |
1812 | * filetransfer. Returns -1 on error, 0 on apparent success | |
37ee990e | 1813 | * |
1814 | */ | |
646c6b52 | 1815 | faim_export int aim_oft_getfile_ack(struct aim_session_t *sess, struct aim_conn_t *conn) |
1816 | { | |
37ee990e | 1817 | struct command_tx_struct *newoft; |
1818 | struct aim_filetransfer_priv *ft; | |
871e2fd0 | 1819 | |
646c6b52 | 1820 | if (!sess || !conn || !conn->priv) |
37ee990e | 1821 | return -1; |
871e2fd0 | 1822 | |
646c6b52 | 1823 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0202, 0))) { |
1824 | faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
37ee990e | 1825 | return -1; |
1826 | } | |
871e2fd0 | 1827 | |
37ee990e | 1828 | newoft->lock = 1; |
871e2fd0 | 1829 | |
37ee990e | 1830 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); |
1831 | newoft->hdr.oft.hdr2len = 0x100-8; | |
871e2fd0 | 1832 | |
37ee990e | 1833 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { |
1834 | newoft->lock = 0; | |
1835 | aim_tx_destroy(newoft); | |
1836 | return -1; | |
1837 | } | |
871e2fd0 | 1838 | |
37ee990e | 1839 | ft = (struct aim_filetransfer_priv *)conn->priv; |
871e2fd0 | 1840 | |
646c6b52 | 1841 | if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { |
37ee990e | 1842 | newoft->lock = 0; |
1843 | aim_tx_destroy(newoft); | |
1844 | return -1; | |
1845 | } | |
871e2fd0 | 1846 | |
37ee990e | 1847 | newoft->lock = 0; |
1848 | aim_tx_enqueue(sess, newoft); | |
1849 | return 0; | |
871e2fd0 | 1850 | } |
37ee990e | 1851 | |
646c6b52 | 1852 | /** |
37ee990e | 1853 | * aim_oft_getfile_end - end a getfile. |
1854 | * @sess: your session | |
1855 | * @conn: the getfile connection | |
1856 | * | |
1857 | * call this before you close the getfile connection if you're on the | |
1858 | * receiving/requesting end. | |
1859 | */ | |
1860 | faim_export int aim_oft_getfile_end(struct aim_session_t *sess, struct aim_conn_t *conn) | |
1861 | { | |
1862 | struct command_tx_struct *newoft; | |
1863 | struct aim_filetransfer_priv *ft; | |
1864 | ||
646c6b52 | 1865 | if (!sess || !conn || !conn->priv) |
37ee990e | 1866 | return -1; |
871e2fd0 | 1867 | |
646c6b52 | 1868 | if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0204, 0))) { |
1869 | faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
37ee990e | 1870 | return -1; |
1871 | } | |
1872 | ||
1873 | newoft->lock = 1; | |
1874 | ||
1875 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1876 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1877 | ||
1878 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1879 | newoft->lock = 0; | |
1880 | aim_tx_destroy(newoft); | |
1881 | return -1; | |
1882 | } | |
1883 | ||
1884 | ft = (struct aim_filetransfer_priv *)conn->priv; | |
1885 | ft->state = 4; /* no longer wanting data */ | |
1886 | ft->fh.nrecvd = ft->fh.size; | |
1887 | ft->fh.recvcsum = ft->fh.checksum; | |
1888 | ft->fh.flags = 0x21; | |
1889 | ||
646c6b52 | 1890 | if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { |
37ee990e | 1891 | newoft->lock = 0; |
1892 | aim_tx_destroy(newoft); | |
1893 | return -1; | |
1894 | } | |
1895 | ||
1896 | newoft->lock = 0; | |
1897 | aim_tx_enqueue(sess, newoft); | |
1898 | ||
1899 | return 0; | |
1900 | } |