*/
int aim_get_command(struct aim_session_t *sess, struct aim_conn_t *conn)
{
- u_char generic[6];
+ unsigned char generic[6];
struct command_rx_struct *newrx = NULL;
if (!sess || !conn)
* Rendezvous (client-client) connections do not speak
* FLAP, so this function will break on them.
*/
- if (conn->type > 0x01000)
- return 0;
+ if (conn->type == AIM_CONN_TYPE_RENDEZVOUS)
+ return aim_get_command_rendezvous(sess, conn);
/*
* Read FLAP header. Six bytes:
*/
faim_mutex_lock(&conn->active);
if (read(conn->fd, generic, 6) < 6){
- aim_conn_close(conn);
+ aim_conn_kill(sess, &conn);
faim_mutex_unlock(&conn->active);
return -1;
}
- faim_mutex_unlock(&conn->active);
/*
* This shouldn't happen unless the socket breaks, the server breaks,
*/
if (generic[0] != 0x2a) {
faimdprintf(1, "Bad incoming data!");
+ faim_mutex_unlock(&conn->active);
return -1;
}
/* allocate a new struct */
- newrx = (struct command_rx_struct *)malloc(sizeof(struct command_rx_struct));
- if (!newrx)
+ if (!(newrx = (struct command_rx_struct *)malloc(sizeof(struct command_rx_struct)))) {
+ faim_mutex_unlock(&conn->active);
return -1;
+ }
memset(newrx, 0x00, sizeof(struct command_rx_struct));
newrx->lock = 1; /* lock the struct */
+ /* we're doing OSCAR if we're here */
+ newrx->hdrtype = AIM_FRAMETYPE_OSCAR;
+
/* store channel -- byte 2 */
- newrx->type = (char) generic[1];
+ newrx->hdr.oscar.type = (char) generic[1];
/* store seqnum -- bytes 3 and 4 */
- newrx->seqnum = aimutil_get16(generic+2);
+ newrx->hdr.oscar.seqnum = aimutil_get16(generic+2);
/* store commandlen -- bytes 5 and 6 */
newrx->commandlen = aimutil_get16(generic+4);
newrx->nofree = 0; /* free by default */
/* malloc for data portion */
- newrx->data = (u_char *) malloc(newrx->commandlen);
- if (!newrx->data) {
+ if (!(newrx->data = (u_char *) malloc(newrx->commandlen))) {
free(newrx);
+ faim_mutex_unlock(&conn->active);
return -1;
}
/* read the data portion of the packet */
- faim_mutex_lock(&conn->active);
if (read(conn->fd, newrx->data, newrx->commandlen) < newrx->commandlen){
free(newrx->data);
free(newrx);
- aim_conn_close(conn);
+ aim_conn_kill(sess, &conn);
faim_mutex_unlock(&conn->active);
return -1;
}
return 0;
}
+int aim_get_command_rendezvous(struct aim_session_t *sess, struct aim_conn_t *conn)
+{
+ unsigned char hdrbuf1[6];
+ unsigned char *hdr = NULL;
+ int hdrlen, hdrtype;
+ int payloadlength = 0;
+ int flags = 0;
+ char *snptr = NULL;
+
+ if (read(conn->fd, hdrbuf1, 6) < 6) {
+ perror("read");
+ printf("faim: rend: read error\n");
+ aim_conn_kill(sess, &conn);
+ return -1;
+ }
+
+ hdrlen = aimutil_get16(hdrbuf1+4);
+
+ hdrlen -= 6;
+ hdr = malloc(hdrlen);
+
+ faim_mutex_lock(&conn->active);
+ if (read(conn->fd, hdr, hdrlen) < hdrlen) {
+ perror("read");
+ printf("faim: rend: read2 error\n");
+ free(hdr);
+ faim_mutex_unlock(&conn->active);
+ aim_conn_kill(sess, &conn);
+ return -1;
+ }
+
+ hdrtype = aimutil_get16(hdr);
+
+ switch (hdrtype) {
+ case 0x0001: {
+ payloadlength = aimutil_get32(hdr+22);
+ flags = aimutil_get16(hdr+32);
+ snptr = hdr+38;
+
+ printf("OFT frame: %04x / %04x / %04x / %s\n", hdrtype, payloadlength, flags, snptr);
+
+ if (flags == 0x000e) {
+ printf("directim: %s has started typing\n", snptr);
+ } else if ((flags == 0x0000) && payloadlength) {
+ unsigned char *buf;
+ buf = malloc(payloadlength+1);
+
+ /* XXX theres got to be a better way */
+ faim_mutex_lock(&conn->active);
+ if (recv(conn->fd, buf, payloadlength, MSG_WAITALL) < payloadlength) {
+ perror("read");
+ printf("faim: rend: read3 error\n");
+ free(buf);
+ faim_mutex_unlock(&conn->active);
+ aim_conn_kill(sess, &conn);
+ return -1;
+ }
+ faim_mutex_unlock(&conn->active);
+ buf[payloadlength] = '\0';
+ printf("directim: %s/%04x/%04x/%s\n", snptr, payloadlength, flags, buf);
+ aim_send_im_direct(sess, conn, buf);
+ free(buf);
+ }
+ break;
+ }
+ default:
+ printf("OFT frame: type %04x\n", hdrtype);
+ /* data connection may be unreliable here */
+ break;
+ } /* switch */
+
+ free(hdr);
+
+ return 0;
+}
+
/*
* Purge recieve queue of all handled commands (->handled==1). Also
* allows for selective freeing using ->nofree so that the client can
sess->queue_incoming = NULL;
if (!tmp->nofree) {
+ if (tmp->hdrtype == AIM_FRAMETYPE_OFT)
+ free(tmp->hdr.oft.hdr2);
free(tmp->data);
free(tmp);
} else
tmp = cur->next;
cur->next = tmp->next;
if (!tmp->nofree) {
+ if (tmp->hdrtype == AIM_FRAMETYPE_OFT)
+ free(tmp->hdr.oft.hdr2);
free(tmp->data);
free(tmp);
} else
return;
}
+
+/*
+ * Since aim_get_command will aim_conn_kill dead connections, we need
+ * to clean up the rxqueue of unprocessed connections on that socket.
+ *
+ * XXX: this is something that was handled better in the old connection
+ * handling method, but eh.
+ */
+void aim_rxqueue_cleanbyconn(struct aim_session_t *sess, struct aim_conn_t *conn)
+{
+ struct command_rx_struct *currx;
+
+ for (currx = sess->queue_incoming; currx; currx = currx->next) {
+ if ((!currx->handled) && (currx->conn == conn))
+ currx->handled = 1;
+ }
+ return;
+}