* AIM_IMFLAGS_ACK -- Requests that the server send an ack
* when the message is received (of type 0x0004/0x000c)
*
- *
- * The first one is newer, but it seems to be broken. Beware. Use the
- * second one for normal use...for now.
- *
- *
*/
-
-#if 0 /* preliminary new fangled routine */
u_long aim_send_im(struct aim_conn_t *conn, char *destsn, int flags, char *msg)
{
- int curbyte;
+ int curbyte,i;
struct command_tx_struct newpacket;
newpacket.lock = 1; /* lock struct */
else
newpacket.conn = aim_getconn_type(AIM_CONN_TYPE_BOS);
- newpacket.commandlen = 20+1+strlen(destsn)+1+1+2+7+2+4+strlen(msg)+2;
-
- if (flags & AIM_IMFLAGS_ACK)
- newpacket.commandlen += 4;
- if (flags & AIM_IMFLAGS_AWAY)
- newpacket.commandlen += 4;
+ /*
+ * Its simplest to set this arbitrarily large and waste
+ * space. Precalculating is costly here.
+ */
+ newpacket.commandlen = 1152;
newpacket.data = (char *) calloc(1, newpacket.commandlen);
curbyte = 0;
- curbyte += aim_putsnac(newpacket.data+curbyte, 0x0004, 0x0006, 0x0000, aim_snac_nextid);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0001);
- curbyte += aimutil_put8(newpacket.data+curbyte,strlen(destsn));
- curbyte += aimutil_putstr(newpacket.data+curbyte, destsn, strlen(destsn));
-
- if (flags & AIM_IMFLAGS_ACK)
- {
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0003);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- }
+ curbyte += aim_putsnac(newpacket.data+curbyte,
+ 0x0004, 0x0006, 0x0000, aim_snac_nextid);
- if (flags & AIM_IMFLAGS_AWAY)
- {
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0004);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- }
+ /*
+ * Generate a random message cookie
+ */
+ for (i=0;i<8;i++)
+ curbyte += aimutil_put8(newpacket.data+curbyte, (u_char) random());
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0002);
- curbyte += aimutil_put16(newpacket.data+curbyte,strlen(msg)+0xf);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0501);
+ /*
+ * Channel ID
+ */
curbyte += aimutil_put16(newpacket.data+curbyte,0x0001);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0101);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0101);
- curbyte += aimutil_put8(newpacket.data+curbyte,0x01);
- curbyte += aimutil_put16(newpacket.data+curbyte,strlen(msg)+4);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
- curbyte += aimutil_putstr(newpacket.data+curbyte, msg, strlen(msg));
-
- aim_tx_enqueue(&newpacket);
-
-#ifdef USE_SNAC_FOR_IMS
- {
- struct aim_snac_t snac;
-
- snac.id = aim_snac_nextid;
- snac.family = 0x0004;
- snac.type = 0x0006;
- snac.flags = 0x0000;
-
- snac.data = malloc(strlen(destsn)+1);
- memcpy(snac.data, destsn, strlen(destsn)+1);
-
- aim_newsnac(&snac);
- }
-
- aim_cleansnacs(60); /* clean out all SNACs over 60sec old */
-#endif
- return (aim_snac_nextid++);
-}
-#else
-u_long aim_send_im(struct aim_conn_t *conn, char *destsn, int flags, char *msg)
-{
-
- int i;
- struct command_tx_struct newpacket;
-
- newpacket.lock = 1; /* lock struct */
- newpacket.type = 0x02; /* IMs are always family 0x02 */
- if (conn)
- newpacket.conn = conn;
- else
- newpacket.conn = aim_getconn_type(AIM_CONN_TYPE_BOS);
-
- i = strlen(destsn); /* used as offset later */
- newpacket.commandlen = 20+1+strlen(destsn)+1+1+2+7+2+4+strlen(msg);
+ /*
+ * Destination SN (prepended with byte length)
+ */
+ curbyte += aimutil_put8(newpacket.data+curbyte,strlen(destsn));
+ curbyte += aimutil_putstr(newpacket.data+curbyte, destsn, strlen(destsn));
- if (flags & AIM_IMFLAGS_ACK)
- newpacket.commandlen += 4;
- if (flags & AIM_IMFLAGS_AWAY)
- newpacket.commandlen += 4;
+ /*
+ * metaTLV start.
+ */
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0002);
+ curbyte += aimutil_put16(newpacket.data+curbyte, strlen(msg) + 0x0d);
- newpacket.data = (char *) malloc(newpacket.commandlen);
- memset(newpacket.data, 0x00, newpacket.commandlen);
+ /*
+ * Flag data?
+ */
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0501);
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001);
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0101);
+ curbyte += aimutil_put8 (newpacket.data+curbyte, 0x01);
- aim_putsnac(newpacket.data, 0x0004, 0x0006, 0x0000, aim_snac_nextid);
+ /*
+ * Message block length.
+ */
+ curbyte += aimutil_put16(newpacket.data+curbyte, strlen(msg) + 0x04);
- newpacket.data[18] = 0x00;
- newpacket.data[19] = 0x01;
+ /*
+ * Character set data?
+ */
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
- newpacket.data[20] = i;
- memcpy(&(newpacket.data[21]), destsn, i);
+ /*
+ * Message. Not terminated.
+ */
+ curbyte += aimutil_putstr(newpacket.data+curbyte,msg, strlen(msg));
+ /*
+ * Set the Request Acknowledge flag.
+ */
if (flags & AIM_IMFLAGS_ACK)
{
- /* add TLV t(0004) l(0000) v(NULL) */
- newpacket.data[21+i] = 0x00;
- newpacket.data[22+i] = 0x03;
- newpacket.data[23+i] = 0x00;
- newpacket.data[24+i] = 0x00;
- i += 4;
+ curbyte += aimutil_put16(newpacket.data+curbyte,0x0003);
+ curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
}
+
+ /*
+ * Set the Autoresponse flag.
+ */
if (flags & AIM_IMFLAGS_AWAY)
{
- /* add TLV t(0004) l(0000) v(NULL) */
- newpacket.data[21+i] = 0x00;
- newpacket.data[22+i] = 0x04;
- newpacket.data[23+i] = 0x00;
- newpacket.data[24+i] = 0x00;
- i += 4;
+ curbyte += aimutil_put16(newpacket.data+curbyte,0x0004);
+ curbyte += aimutil_put16(newpacket.data+curbyte,0x0000);
}
-
- newpacket.data[21+i] = 0x00;
-
- newpacket.data[22+i] = 0x02;
-
- newpacket.data[23+i] = (char) ( (strlen(msg) + 0xD) >> 8);
- newpacket.data[24+i] = (char) ( (strlen(msg) + 0xD) & 0xFF);
-
- newpacket.data[25+i] = 0x05;
- newpacket.data[26+i] = 0x01;
- newpacket.data[27+i] = 0x00;
- newpacket.data[28+i] = 0x01;
- newpacket.data[29+i] = 0x01;
- newpacket.data[30+i] = 0x01;
- newpacket.data[31+i] = 0x01;
-
- newpacket.data[32+i] = (char) ( (strlen(msg) + 4) >> 8);
- newpacket.data[33+i] = (char) ( (strlen(msg) + 4) & 0xFF);
-
- memcpy(&(newpacket.data[38+i]), msg, strlen(msg));
+
+ newpacket.commandlen = curbyte;
aim_tx_enqueue(&newpacket);
+
#ifdef USE_SNAC_FOR_IMS
{
struct aim_snac_t snac;
return (aim_snac_nextid++);
}
-#endif
-
-#if 0 /* this is the prelim work on a new routine */
+/*
+ * It can easily be said that parsing ICBMs is THE single
+ * most difficult thing to do in the in AIM protocol. In
+ * fact, I think I just did say that.
+ *
+ * Below is the best damned solution I've come up with
+ * over the past sixteen months of battling with it. This
+ * can parse both away and normal messages from every client
+ * I have access to. Its not fast, its not clean. But it works.
+ *
+ * We should also support at least minimal parsing of
+ * Channel 2, so that we can at least know the name of the
+ * room we're invited to, but obviously can't attend...
+ *
+ */
int aim_parse_incoming_im_middle(struct command_rx_struct *command)
{
- int i = 0;
- char *srcsn = NULL;
+ struct aim_userinfo_s userinfo;
+ u_int i = 0, j = 0, y = 0, z = 0;
char *msg = NULL;
- u_int msglen = 0;
- int warninglevel = 0;
- int tlvcnt = 0;
- int class = 0;
- u_long membersince = 0;
- u_long onsince = 0;
- int idletime = 0;
- int isautoreply = 0;
+ int isautoresponse = 0;
rxcallback_t userfunc = NULL;
-
- int unknown_f = -1;
- int unknown_10 = -1;
-
- i = 20; /* skip SNAC header and message cookie */
-
- srcsn = malloc(command->data[i] + 1);
- memcpy(srcsn, &(command->data[i+1]), command->data[i]);
- srcsn[(int)command->data[i]] = '\0';
-
- i += (int) command->data[i] + 1; /* add SN len */
-
- /* warning level */
- warninglevel = (command->data[i] << 8);
- warninglevel += (command->data[i+1]);
- i += 2;
+ u_char cookie[8];
+ int channel;
+ struct aim_tlvlist_t *tlvlist;
+ struct aim_tlv_t *msgblocktlv, *tmptlv;
+ u_char *msgblock;
+ u_short wastebits;
+ u_short flag1,flag2;
+
+ memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));
+ i = 10; /* Skip SNAC header */
+
/*
- * This is suppose to be the number of TLVs that follow. However,
- * its not nearly as accurate as we need it to be, so we just run
- * the TLV parser all the way to the end of the frame.
+ * Read ICBM Cookie. And throw away.
*/
- tlvcnt = ((command->data[i++]) << 8) & 0xFF00;
- tlvcnt += (command->data[i++]) & 0x00FF;
+ for (z=0; z<8; z++,i++)
+ cookie[z] = command->data[i];
- /* a mini TLV parser */
- {
- int curtlv = 0;
- int count_t4 = 0, count_t3 = 0, count_t2 = 0, count_t1 = 0;
-
- while (i+4 < command->commandlen)
- {
- if ((command->data[i] == 0x00) &&
- (command->data[i+1] == 0x01) )
- {
- if (count_t1 == 0)
- {
- /* t(0001) = class */
- if (command->data[i+3] != 0x02)
- printf("faim: userinfo: **warning: strange v(%x) for t(1)\n", command->data[i+3]);
- class = ((command->data[i+4]) << 8) & 0xFF00;
- class += (command->data[i+5]) & 0x00FF;
- }
- else
- printf("faim: icbm: unexpected extra TLV t(0001)\n");
- count_t1++;
- }
- else if ((command->data[i] == 0x00) &&
- (command->data[i+1] == 0x02))
- {
- if (count_t2 == 0)
- {
- /* t(0002) = member since date */
- if (command->data[i+3] != 0x04)
- printf("faim: userinfo: **warning: strange v(%x) for t(2)\n", command->data[i+3]);
-
- membersince = ((command->data[i+4]) << 24) & 0xFF000000;
- membersince += ((command->data[i+5]) << 16) & 0x00FF0000;
- membersince += ((command->data[i+6]) << 8) & 0x0000FF00;
- membersince += ((command->data[i+7]) ) & 0x000000FF;
- }
- else if (count_t2 == 1)
- {
- int biglen = 0, innerlen = 0;
- int j;
-
- /* message */
-
- /*
- * Check for message signature (0x0501). I still don't really
- * like this, but it is better than the old way, and it does
- * seem to be consistent as long as AOL doesn't do any more
- * big changes.
- */
- if ( (command->data[i+4] != 0x05) ||
- (command->data[i+5] != 0x01) )
- printf("faim: icbm: warning: message signature not present, trying to recover\n");
-
- biglen = ((command->data[i+2] << 8) + command->data[i+3]) & 0xffff;
-
- printf("faim: icbm: biglen = %02x\n", biglen);
-
- j = 0;
- while (j+3 < (biglen-6))
- {
- if ( (command->data[i+6+j+0] == 0x00) &&
- (command->data[i+6+j+1] == 0x00) &&
- (command->data[i+6+j+2] == 0x00) )
- {
-
- innerlen = (command->data[i+6+j]<<8) + command->data[i+6+j+1];
- break;
- }
- j++;
- }
- if (!innerlen)
- {
- printf("faim: icbm: unable to find holy zeros; skipping message\n");
- msglen = 0;
- msg = NULL;
- }
- else
- {
- printf("faim: icbm: innerlen = %d\n", innerlen);
-
- msglen = innerlen - 4;
- printf("faim: icbm: msglen = %u\n", msglen);
-
- msg = malloc(msglen +1);
- memcpy(msg, &(command->data[i+6+j+4+1]), msglen);
- msg[msglen] = '\0';
- }
- }
- else
- printf("faim: icbm: **warning: extra TLV t(0002)\n");
- count_t2++;
- }
- else if ((command->data[i] == 0x00) &&
- (command->data[i+1] == 0x03))
- {
- if (count_t3 == 0)
- {
- /* t(0003) = on since date */
- if (command->data[i+3] != 0x04)
- printf("faim: userinfo: **warning: strange v(%x) for t(3)\n", command->data[i+3]);
-
- onsince = ((command->data[i+4]) << 24) & 0xFF000000;
- onsince += ((command->data[i+5]) << 16) & 0x00FF0000;
- onsince += ((command->data[i+6]) << 8) & 0x0000FF00;
- onsince += ((command->data[i+7]) ) & 0x000000FF;
- }
- else if (count_t3 == 1)
- printf("faim: icbm: request for acknowledgment ignored\n");
- else
- printf("faim: icbm: unexpected extra TLV t(0003)\n");
- count_t3++;
- }
- else if ((command->data[i] == 0x00) &&
- (command->data[i+1] == 0x04) )
- {
- if (count_t4 == 0)
- {
- /* t(0004) = idle time */
- if (command->data[i+3] != 0x02)
- printf("faim: userinfo: **warning: strange v(%x) for t(4)\n", command->data[i+3]);
- idletime = ((command->data[i+4]) << 8) & 0xFF00;
- idletime += (command->data[i+5]) & 0x00FF;
- }
- else if ((count_t4 == 1) && (((command->data[i+2]<<8)+command->data[i+3])==0x0000))
- isautoreply = 1;
- else
- printf("faim: icbm: unexpected extra TLV t(0004)\n");
- count_t4++;
- }
- else if ((command->data[i] == 0x00) &&
- (command->data[i+1] == 0x0f))
- {
- /* t(000f) = unknown...usually from AIM3 users */
- if (command->data[i+3] != 0x04)
- printf("faim: userinfo: **warning: strange v(%x) for t(f)\n", command->data[i+3]);
- unknown_f = (command->data[i+4] << 24) & 0xff000000;
- unknown_f += (command->data[i+5] << 16) & 0x00ff0000;
- unknown_f += (command->data[i+6] << 8) & 0x0000ff00;
- unknown_f += (command->data[i+7]) & 0x000000ff;
- }
- else if ((command->data[i] == 0x00) &&
- (command->data[i+1] == 0x10))
- {
- /* t(0010) = unknown...usually from AOL users */
- if (command->data[i+3] != 0x04)
- printf("faim: userinfo: **warning: strange v(%x) for t(10)\n", command->data[i+3]);
- unknown_10 = (command->data[i+4] << 24) & 0xff000000;
- unknown_10 += (command->data[i+5] << 16) & 0x00ff0000;
- unknown_10 += (command->data[i+6] << 8) & 0x0000ff00;
- unknown_10 += (command->data[i+7]) & 0x000000ff;
- }
- else
- {
- printf("faim: userinfo: **warning: unexpected TLV t(%02x%02x) l(%02x%02x)\n", command->data[i], command->data[i+1], command->data[i+2], command->data[i+3]);
- }
- i += (2 + 2 + ((command->data[i+2] << 8) + command->data[i+3]));
- curtlv++;
- }
- }
-
-#if 0
- {
- /* detect if this is an auto-response or not */
- /* auto-responses can be detected by the presence of a *second* TLV with
- t(0004), but of zero length (and therefore no value portion) */
- struct aim_tlv_t *tsttlv = NULL;
- tsttlv = aim_grabtlv((u_char *) &(command->data[i]));
- if (tsttlv->type == 0x04)
- isautoreply = 1;
- aim_freetlv(&tsttlv);
- }
-
+ /*
+ * Channel ID.
+ *
+ * Channel 0x0001 is the message channel. There are
+ * other channels for things called "rendevous"
+ * which represent chat and some of the other new
+ * features of AIM2/3/3.5. We only support
+ * standard messages; those on channel 0x0001.
+ */
+ channel = aimutil_get16(command->data+i);
i += 2;
-
- i += 2; /* skip first msglen */
- i += 7; /* skip garbage */
- i -= 4;
-
- /* oh boy is this terrible... this comes from a specific of the spec */
- while(1)
+ if (channel != 0x0001)
{
- if ( ( (command->data[i] == 0x00) &&
- (command->data[i+1] == 0x00) &&
- (command->data[i+2] == 0x00) &&
- (command->data[i+3] == 0x00) ) &&
- (i < command->commandlen) ) /* prevent infinity */
- break;
- else
- i++;
+ printf("faim: icbm: ICBM received on an unsupported channel. Ignoring.\n (chan = %04x)", channel);
+ return 1;
}
- i -= 2;
-
- if ( (command->data[i] == 0x00) &&
- (command->data[i+1] == 0x00) )
- i += 2;
+ /*
+ * Source screen name.
+ */
+ memcpy(userinfo.sn, command->data+i+1, (int)command->data[i]);
+ userinfo.sn[(int)command->data[i]] = '\0';
+ i += 1 + (int)command->data[i];
- msglen = ( (( (u_int) command->data[i]) & 0xFF ) << 8);
- msglen += ( (u_int) command->data[i+1]) & 0xFF; /* mask off garbage */
+ /*
+ * Unknown bits.
+ */
+ wastebits = aimutil_get16(command->data+i);
+ i += 2;
+ wastebits = aimutil_get16(command->data+i);
i += 2;
- msglen -= 4; /* skip four 0x00s */
- i += 4;
-
- msg = malloc(msglen +1);
-
- memcpy(msg, &(command->data[i]), msglen);
- msg[msglen] = '\0';
-#endif
- userfunc = aim_callhandler(command->conn, 0x0004, 0x0007);
- if (userfunc)
- i = userfunc(command, srcsn, msg, warninglevel, class, membersince, onsince, idletime, isautoreply, unknown_f, unknown_10);
- else
- i = 0;
-
- free(srcsn);
- free(msg);
+ /*
+ * Read block of TLVs. All further data is derived
+ * from what is parsed here.
+ */
+ tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i);
- return i;
-}
-#else /* older routine, with new fixes */
-int aim_parse_incoming_im_middle(struct command_rx_struct *command)
-{
- struct aim_userinfo_s userinfo;
- u_int i = 0;
- char *msg = NULL;
- u_int msglen = 0;
- int isautoreply = 0;
- rxcallback_t userfunc = NULL;
+ /*
+ * Check Autoresponse status. If it is an autoresponse,
+ * it will contain a second type 0x0004 TLV, with zero length.
+ */
+ if (aim_gettlv(tlvlist, 0x0004, 2))
+ isautoresponse = 1;
- i = 20;
- i += aim_extractuserinfo(command->data+i, &userinfo);
-
- {
- /*
- * Auto-responses can be detected by the presence of a *second* TLV with
- * t(0004), but of zero length (and therefore no value portion)
- */
- struct aim_tlv_t *tsttlv = NULL;
- tsttlv = aim_grabtlv((u_char *) &(command->data[i]));
- if (tsttlv->type == 0x04)
- isautoreply = 1;
-#if 0
- else if (tsttlv->type == 0x03)
- {
- printf("faim: icbm: ack requested, ignored\n");
- i += 2 + 2 + tsttlv->length;
- aim_freetlv(&tsttlv);
- tsttlv = aim_grabtlv((u_char *) &(command->data[i]));
- if (tsttlv->type == 0x04)
- isautoreply = 1;
- }
-#endif
- aim_freetlv(&tsttlv);
- }
-
- i += 2;
-
- i += 2; /* skip first msglen */
- i += 7; /* skip garbage */
- i -= 4;
+ /*
+ * Extract the various pieces of the userinfo struct.
+ */
+ /* Class. */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0001, 1)))
+ userinfo.class = aimutil_get16(tmptlv->value);
+ /* Member-since date. */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0002, 1)))
+ {
+ /* If this is larger than 4, its probably the message block, skip */
+ if (tmptlv->length <= 4)
+ userinfo.membersince = aimutil_get32(tmptlv->value);
+ }
+ /* On-since date */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0003, 1)))
+ userinfo.onlinesince = aimutil_get32(tmptlv->value);
+ /* Idle-time */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0004, 1)))
+ userinfo.idletime = aimutil_get16(tmptlv->value);
+ /* Session Length (AIM) */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x000f, 1)))
+ userinfo.sessionlen = aimutil_get16(tmptlv->value);
+ /* Session Length (AOL) */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0010, 1)))
+ userinfo.sessionlen = aimutil_get16(tmptlv->value);
- /* oh boy is this terrible... this comes from a specific of the spec */
- while(1)
+ /*
+ * Message block.
+ *
+ * XXX: Will the msgblock always be the second 0x0002?
+ */
+ msgblocktlv = aim_gettlv(tlvlist, 0x0002, 1);
+ if (!msgblocktlv)
{
- /*
- * We used to look for four zeros; I've reduced this to three
- * as it seems AOL changed it with Mac AIM 3.0 clients.
- */
- if ( ( (command->data[i] == 0x00) &&
- (command->data[i+1] == 0x00) &&
- (command->data[i+2] == 0x00) ) &&
- (i+2 < command->commandlen) ) /* prevent infinity */
- break;
- else
- i++;
+ printf("faim: icbm: major error! no message block TLV found!\n");
+ aim_freetlvchain(&tlvlist);
}
- i -= 2;
+ /*
+ * Extracting the message from the unknown cruft.
+ *
+ * This is a bit messy, and I'm not really qualified,
+ * even as the author, to comment on it. At least
+ * its not as bad as a while loop shooting into infinity.
+ *
+ * "Do you believe in magic?"
+ *
+ */
+ msgblock = msgblocktlv->value;
+ j = 0;
+
+ wastebits = aimutil_get8(msgblock+j++);
+ wastebits = aimutil_get8(msgblock+j++);
- if (aimutil_get16(&command->data[i]) == 0x0000)
- i += 2;
+ y = aimutil_get16(msgblock+j);
+ j += 2;
+ for (z = 0; z < y; z++)
+ wastebits = aimutil_get8(msgblock+j++);
+ wastebits = aimutil_get8(msgblock+j++);
+ wastebits = aimutil_get8(msgblock+j++);
+
+ /*
+ * Message string length, including flag words.
+ */
+ i = aimutil_get16(msgblock+j);
+ j += 2;
- msglen = aimutil_get16(&command->data[i]);
- i += 2;
+ /*
+ * Flag words.
+ *
+ * Its rumored that these can kick in some funky
+ * 16bit-wide char stuff that used to really kill
+ * libfaim. Hopefully the latter is no longer true.
+ *
+ * Though someone should investiagte the former.
+ *
+ */
+ flag1 = aimutil_get16(msgblock+j);
+ j += 2;
+ flag2 = aimutil_get16(msgblock+j);
+ j += 2;
- msglen -= 4; /* skip four 0x00s */
- i += 4;
-
- msg = malloc(msglen +1);
-
- memcpy(msg, &(command->data[i]), msglen);
- msg[msglen] = '\0';
+ if (flag1 || flag2)
+ printf("faim: icbm: **warning: encoding flags are being used! {%04x, %04x}\n", flag1, flag2);
- userfunc = aim_callhandler(command->conn, 0x0004, 0x0007);
+ /*
+ * Message string.
+ */
+ i -= 4;
+ msg = (char *)malloc(i+1);
+ memcpy(msg, msgblock+j, i);
+ msg[i] = '\0';
+ /*
+ * Free up the TLV chain.
+ */
+ aim_freetlvchain(&tlvlist);
+
+ /*
+ * Call client.
+ */
+ userfunc = aim_callhandler(command->conn, 0x0004, 0x0007);
if (userfunc)
- i = userfunc(command, &userinfo, msg, isautoreply);
+ i = userfunc(command, &userinfo, msg, isautoresponse, flag1, flag2);
else
i = 0;
free(msg);
- return i;
+ return 1;
+}
+
+/*
+ * Not real sure what this does, nor does anyone I've talk to.
+ *
+ * Didn't use to send it. But now I think it might be a good
+ * idea.
+ *
+ */
+u_long aim_seticbmparam(struct aim_conn_t *conn)
+{
+ struct command_tx_struct newpacket;
+ int curbyte;
+
+ newpacket.lock = 1;
+ if (conn)
+ newpacket.conn = conn;
+ else
+ newpacket.conn = aim_getconn_type(AIM_CONN_TYPE_BOS);
+ newpacket.type = 0x02;
+
+ newpacket.commandlen = 10 + 16;
+ newpacket.data = (u_char *) malloc (newpacket.commandlen);
+
+ curbyte = aim_putsnac(newpacket.data, 0x0004, 0x0002, 0x0000, aim_snac_nextid);
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
+ curbyte += aimutil_put32(newpacket.data+curbyte, 0x00000003);
+ curbyte += aimutil_put8(newpacket.data+curbyte, 0x1f);
+ curbyte += aimutil_put8(newpacket.data+curbyte, 0x40);
+ curbyte += aimutil_put8(newpacket.data+curbyte, 0x03);
+ curbyte += aimutil_put8(newpacket.data+curbyte, 0xe7);
+ curbyte += aimutil_put8(newpacket.data+curbyte, 0x03);
+ curbyte += aimutil_put8(newpacket.data+curbyte, 0xe7);
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
+ curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
+
+ aim_tx_enqueue(&newpacket);
+
+ return (aim_snac_nextid++);
}
-#endif
andersk / libfaim.git / commitdiff
