/*
* This is all there is to it.
*
* The message is probably HTML.
*
*/
static int parsepopup(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_rxcallback_t userfunc;
aim_tlvlist_t *tl;
int ret = 0;
char *msg, *url;
fu16_t width, height, delay;
tl = aim_readtlvchain(bs);
msg = aim_gettlv_str(tl, 0x0001, 1);
url = aim_gettlv_str(tl, 0x0002, 1);
width = aim_gettlv16(tl, 0x0003, 1);
height = aim_gettlv16(tl, 0x0004, 1);
delay = aim_gettlv16(tl, 0x0005, 1);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, msg, url, width, height, delay);
aim_freetlvchain(&tl);
free(msg);
free(url);
return ret;
}
static int negchan_middle(aim_session_t *sess, aim_frame_t *fr)
{
aim_tlvlist_t *tlvlist;
char *msg = NULL;
fu16_t code = 0;
aim_rxcallback_t userfunc;
int ret = 1;
if (aim_bstream_empty(&fr->data) == 0) {
/* XXX should do something with this */
return 1;
}
/* Used only by the older login protocol */
/* XXX remove this special case? */
if (fr->conn->type == AIM_CONN_TYPE_AUTH)
return consumenonsnac(sess, fr, 0x0017, 0x0003);
tlvlist = aim_readtlvchain(&fr->data);
if (aim_gettlv(tlvlist, 0x0009, 1))
code = aim_gettlv16(tlvlist, 0x0009, 1);
if (aim_gettlv(tlvlist, 0x000b, 1))
msg = aim_gettlv_str(tlvlist, 0x000b, 1);
if ((userfunc = aim_callhandler(sess, fr->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_CONNERR)))
ret = userfunc(sess, fr, code, msg);
aim_freetlvchain(&tlvlist);
free(msg);
return ret;
}
/* Subtype 0x0003 - BOS Rights. */
static int rights(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_rxcallback_t userfunc;
aim_tlvlist_t *tlvlist;
fu16_t maxpermits = 0, maxdenies = 0;
int ret = 0;
/*
* TLVs follow
*/
tlvlist = aim_readtlvchain(bs);
/*
* TLV type 0x0001: Maximum number of buddies on permit list.
*/
if (aim_gettlv(tlvlist, 0x0001, 1))
maxpermits = aim_gettlv16(tlvlist, 0x0001, 1);
/*
* TLV type 0x0002: Maximum number of buddies on deny list.
*/
if (aim_gettlv(tlvlist, 0x0002, 1))
maxdenies = aim_gettlv16(tlvlist, 0x0002, 1);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, maxpermits, maxdenies);
aim_freetlvchain(&tlvlist);
return ret;
}
static int userinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_userinfo_t userinfo;
char *text_encoding = NULL, *text = NULL;
aim_rxcallback_t userfunc;
aim_tlvlist_t *tlvlist;
aim_snac_t *origsnac = NULL;
struct aim_priv_inforeq *inforeq;
int ret = 0;
origsnac = aim_remsnac(sess, snac->id);
if (!origsnac || !origsnac->data) {
faimdprintf(sess, 0, "parse_userinfo_middle: major problem: no snac stored!\n");
return 0;
}
inforeq = (struct aim_priv_inforeq *)origsnac->data;
if ((inforeq->infotype != AIM_GETINFO_GENERALINFO) &&
(inforeq->infotype != AIM_GETINFO_AWAYMESSAGE)) {
faimdprintf(sess, 0, "parse_userinfo_middle: unknown infotype in request! (0x%04x)\n", inforeq->infotype);
return 0;
}
aim_extractuserinfo(sess, bs, &userinfo);
tlvlist = aim_readtlvchain(bs);
/*
* Depending on what informational text was requested, different
* TLVs will appear here.
*
* Profile will be 1 and 2, away message will be 3 and 4.
*/
if (aim_gettlv(tlvlist, 0x0001, 1)) {
text_encoding = aim_gettlv_str(tlvlist, 0x0001, 1);
text = aim_gettlv_str(tlvlist, 0x0002, 1);
} else if (aim_gettlv(tlvlist, 0x0003, 1)) {
text_encoding = aim_gettlv_str(tlvlist, 0x0003, 1);
text = aim_gettlv_str(tlvlist, 0x0004, 1);
}
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, &userinfo, text_encoding, text, inforeq->infotype);
free(text_encoding);
free(text);
aim_freetlvchain(&tlvlist);
if (origsnac)
free(origsnac->data);
free(origsnac);
return ret;
}
static int userinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_userinfo_t userinfo;
char *text_encoding = NULL, *text = NULL;
guint16 text_length = 0;
aim_rxcallback_t userfunc;
aim_tlvlist_t *tlvlist;
aim_tlv_t *tlv;
aim_snac_t *origsnac = NULL;
struct aim_priv_inforeq *inforeq;
int ret = 0;
origsnac = aim_remsnac(sess, snac->id);
if (!origsnac || !origsnac->data) {
imcb_error(sess->aux_data, "major problem: no snac stored!");
return 0;
}
inforeq = (struct aim_priv_inforeq *)origsnac->data;
if ((inforeq->infotype != AIM_GETINFO_GENERALINFO) &&
(inforeq->infotype != AIM_GETINFO_AWAYMESSAGE) &&
(inforeq->infotype != AIM_GETINFO_CAPABILITIES)) {
imcb_error(sess->aux_data, "unknown infotype in request!");
return 0;
}
aim_extractuserinfo(sess, bs, &userinfo);
tlvlist = aim_readtlvchain(bs);
/*
* Depending on what informational text was requested, different
* TLVs will appear here.
*
* Profile will be 1 and 2, away message will be 3 and 4, caps
* will be 5.
*/
if (inforeq->infotype == AIM_GETINFO_GENERALINFO) {
text_encoding = aim_gettlv_str(tlvlist, 0x0001, 1);
if((tlv = aim_gettlv(tlvlist, 0x0002, 1))) {
text = g_new0(char, tlv->length);
memcpy(text, tlv->value, tlv->length);
text_length = tlv->length;
}
/*
* Subtype 0x0003 - Rights.
*
*/
static int rights(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx,
aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_rxcallback_t userfunc;
aim_tlvlist_t *tlvlist;
fu16_t maxbuddies = 0, maxwatchers = 0;
int ret = 0;
/*
* TLVs follow
*/
tlvlist = aim_readtlvchain(bs);
/*
* TLV type 0x0001: Maximum number of buddies.
*/
if (aim_gettlv(tlvlist, 0x0001, 1))
maxbuddies = aim_gettlv16(tlvlist, 0x0001, 1);
/*
* TLV type 0x0002: Maximum number of watchers.
*
* Watchers are other users who have you on their buddy
* list. (This is called the "reverse list" by a certain
* other IM protocol.)
*
*/
if (aim_gettlv(tlvlist, 0x0002, 1))
maxwatchers = aim_gettlv16(tlvlist, 0x0002, 1);
/*
* TLV type 0x0003: Unknown.
*
* ICQ only?
*/
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family,
snac->subtype)))
ret = userfunc(sess, rx, maxbuddies, maxwatchers);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* Normally contains:
* t(0001) - short containing max profile length (value = 1024)
* t(0002) - short - unknown (value = 16) [max MIME type length?]
* t(0003) - short - unknown (value = 10)
*/
static int rights(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_tlvlist_t *tlvlist;
aim_rxcallback_t userfunc;
int ret = 0;
fu16_t maxsiglen = 0;
tlvlist = aim_readtlvchain(bs);
if (aim_gettlv(tlvlist, 0x0001, 1))
maxsiglen = aim_gettlv16(tlvlist, 0x0001, 1);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, maxsiglen);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* Subtype 0x0003
*
*/
static int reply(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
int j = 0, m, ret = 0;
aim_tlvlist_t *tlvlist;
char *cur = NULL, *buf = NULL;
aim_rxcallback_t userfunc;
aim_snac_t *snac2;
char *searchaddr = NULL;
if ((snac2 = aim_remsnac(sess, snac->id)))
searchaddr = (char *)snac2->data;
tlvlist = aim_readtlvchain(bs);
m = aim_counttlvchain(&tlvlist);
/* XXX uhm. */
while ((cur = aim_gettlv_str(tlvlist, 0x0001, j+1)) && j < m) {
buf = realloc(buf, (j+1) * (MAXSNLEN+1));
strncpy(&buf[j * (MAXSNLEN+1)], cur, MAXSNLEN);
free(cur);
j++;
}
aim_freetlvchain(&tlvlist);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, searchaddr, j, buf);
/* XXX freesnac()? */
if (snac2)
free(snac2->data);
free(snac2);
free(buf);
return ret;
}
static int parseinfo_create(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs, aim_snac_t *snac2)
{
aim_rxcallback_t userfunc;
aim_tlvlist_t *tlvlist, *innerlist;
char *ck = NULL, *fqcn = NULL, *name = NULL;
fu16_t exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
fu32_t createtime = 0;
fu8_t createperms = 0, detaillevel;
int cklen;
aim_tlv_t *bigblock;
int ret = 0;
aim_bstream_t bbbs;
tlvlist = aim_readtlvchain(bs);
if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) {
faimdprintf(sess, 0, "no bigblock in top tlv in create room response\n");
aim_freetlvchain(&tlvlist);
return 0;
}
aim_bstream_init(&bbbs, bigblock->value, bigblock->length);
exchange = aimbs_get16(&bbbs);
cklen = aimbs_get8(&bbbs);
ck = aimbs_getstr(&bbbs, cklen);
instance = aimbs_get16(&bbbs);
detaillevel = aimbs_get8(&bbbs);
if (detaillevel != 0x02) {
faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", detaillevel);
aim_freetlvchain(&tlvlist);
free(ck);
return 0;
}
unknown = aimbs_get16(&bbbs);
innerlist = aim_readtlvchain(&bbbs);
if (aim_gettlv(innerlist, 0x006a, 1))
fqcn = aim_gettlv_str(innerlist, 0x006a, 1);
if (aim_gettlv(innerlist, 0x00c9, 1))
flags = aim_gettlv16(innerlist, 0x00c9, 1);
if (aim_gettlv(innerlist, 0x00ca, 1))
createtime = aim_gettlv32(innerlist, 0x00ca, 1);
if (aim_gettlv(innerlist, 0x00d1, 1))
maxmsglen = aim_gettlv16(innerlist, 0x00d1, 1);
if (aim_gettlv(innerlist, 0x00d2, 1))
maxoccupancy = aim_gettlv16(innerlist, 0x00d2, 1);
if (aim_gettlv(innerlist, 0x00d3, 1))
name = aim_gettlv_str(innerlist, 0x00d3, 1);
if (aim_gettlv(innerlist, 0x00d5, 1))
createperms = aim_gettlv8(innerlist, 0x00d5, 1);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) {
ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck);
}
free(ck);
free(name);
free(fqcn);
aim_freetlvchain(&innerlist);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* We could probably include this in the normal ICBM parsing
* code as channel 0x0003, however, since only the start
* would be the same, we might as well do it here.
*
* General outline of this SNAC:
* snac
* cookie
* channel id
* tlvlist
* unknown
* source user info
* name
* evility
* userinfo tlvs
* online time
* etc
* message metatlv
* message tlv
* message string
* possibly others
*
*/
static int incomingmsg(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_userinfo_t userinfo;
aim_rxcallback_t userfunc;
int ret = 0;
fu8_t *cookie;
fu16_t channel;
aim_tlvlist_t *otl;
char *msg = NULL;
aim_msgcookie_t *ck;
memset(&userinfo, 0, sizeof(aim_userinfo_t));
/*
* ICBM Cookie. Uncache it.
*/
cookie = aimbs_getraw(bs, 8);
if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) {
free(ck->data);
free(ck);
}
/*
* Channel ID
*
* Channels 1 and 2 are implemented in the normal ICBM
* parser.
*
* We only do channel 3 here.
*
*/
channel = aimbs_get16(bs);
if (channel != 0x0003) {
faimdprintf(sess, 0, "faim: chat_incoming: unknown channel! (0x%04x)\n", channel);
return 0;
}
/*
* Start parsing TLVs right away.
*/
otl = aim_readtlvchain(bs);
/*
* Type 0x0003: Source User Information
*/
if (aim_gettlv(otl, 0x0003, 1)) {
aim_tlv_t *userinfotlv;
aim_bstream_t tbs;
userinfotlv = aim_gettlv(otl, 0x0003, 1);
aim_bstream_init(&tbs, userinfotlv->value, userinfotlv->length);
aim_extractuserinfo(sess, &tbs, &userinfo);
}
/*
* Type 0x0001: If present, it means it was a message to the
* room (as opposed to a whisper).
*/
if (aim_gettlv(otl, 0x0001, 1))
;
/*
* Type 0x0005: Message Block. Conains more TLVs.
*/
if (aim_gettlv(otl, 0x0005, 1)) {
aim_tlvlist_t *itl;
aim_tlv_t *msgblock;
aim_bstream_t tbs;
msgblock = aim_gettlv(otl, 0x0005, 1);
aim_bstream_init(&tbs, msgblock->value, msgblock->length);
itl = aim_readtlvchain(&tbs);
/*
* Type 0x0001: Message.
*/
if (aim_gettlv(itl, 0x0001, 1))
msg = aim_gettlv_str(itl, 0x0001, 1);
aim_freetlvchain(&itl);
}
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, &userinfo, msg);
free(cookie);
free(msg);
aim_freetlvchain(&otl);
return ret;
}
/*
* General room information. Lots of stuff.
*
* Values I know are in here but I havent attached
* them to any of the 'Unknown's:
* - Language (English)
*
* SNAC 000e/0002
*/
static int infoupdate(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_userinfo_t *userinfo = NULL;
aim_rxcallback_t userfunc;
int ret = 0;
int usercount = 0;
fu8_t detaillevel = 0;
char *roomname = NULL;
struct aim_chat_roominfo roominfo;
fu16_t tlvcount = 0;
aim_tlvlist_t *tlvlist;
char *roomdesc = NULL;
fu16_t flags = 0;
fu32_t creationtime = 0;
fu16_t maxmsglen = 0, maxvisiblemsglen = 0;
fu16_t unknown_d2 = 0, unknown_d5 = 0;
aim_chat_readroominfo(bs, &roominfo);
detaillevel = aimbs_get8(bs);
if (detaillevel != 0x02) {
faimdprintf(sess, 0, "faim: chat_roomupdateinfo: detail level %d not supported\n", detaillevel);
return 1;
}
tlvcount = aimbs_get16(bs);
/*
* Everything else are TLVs.
*/
tlvlist = aim_readtlvchain(bs);
/*
* TLV type 0x006a is the room name in Human Readable Form.
*/
if (aim_gettlv(tlvlist, 0x006a, 1))
roomname = aim_gettlv_str(tlvlist, 0x006a, 1);
/*
* Type 0x006f: Number of occupants.
*/
if (aim_gettlv(tlvlist, 0x006f, 1))
usercount = aim_gettlv16(tlvlist, 0x006f, 1);
/*
* Type 0x0073: Occupant list.
*/
if (aim_gettlv(tlvlist, 0x0073, 1)) {
int curoccupant = 0;
aim_tlv_t *tmptlv;
aim_bstream_t occbs;
tmptlv = aim_gettlv(tlvlist, 0x0073, 1);
/* Allocate enough userinfo structs for all occupants */
userinfo = calloc(usercount, sizeof(aim_userinfo_t));
aim_bstream_init(&occbs, tmptlv->value, tmptlv->length);
while (curoccupant < usercount)
aim_extractuserinfo(sess, &occbs, &userinfo[curoccupant++]);
}
/*
* Type 0x00c9: Flags. (AIM_CHATROOM_FLAG)
*/
if (aim_gettlv(tlvlist, 0x00c9, 1))
flags = aim_gettlv16(tlvlist, 0x00c9, 1);
/*
* Type 0x00ca: Creation time (4 bytes)
*/
if (aim_gettlv(tlvlist, 0x00ca, 1))
creationtime = aim_gettlv32(tlvlist, 0x00ca, 1);
/*
* Type 0x00d1: Maximum Message Length
*/
if (aim_gettlv(tlvlist, 0x00d1, 1))
maxmsglen = aim_gettlv16(tlvlist, 0x00d1, 1);
/*
* Type 0x00d2: Unknown. (2 bytes)
*/
if (aim_gettlv(tlvlist, 0x00d2, 1))
unknown_d2 = aim_gettlv16(tlvlist, 0x00d2, 1);
/*
* Type 0x00d3: Room Description
*/
if (aim_gettlv(tlvlist, 0x00d3, 1))
roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1);
/*
* Type 0x000d4: Unknown (flag only)
*/
if (aim_gettlv(tlvlist, 0x000d4, 1))
;
/*
* Type 0x00d5: Unknown. (1 byte)
*/
if (aim_gettlv(tlvlist, 0x00d5, 1))
unknown_d5 = aim_gettlv8(tlvlist, 0x00d5, 1);
/*
* Type 0x00d6: Encoding 1 ("us-ascii")
*/
if (aim_gettlv(tlvlist, 0x000d6, 1))
;
/*
* Type 0x00d7: Language 1 ("en")
*/
if (aim_gettlv(tlvlist, 0x000d7, 1))
;
/*
* Type 0x00d8: Encoding 2 ("us-ascii")
*/
if (aim_gettlv(tlvlist, 0x000d8, 1))
;
/*
* Type 0x00d9: Language 2 ("en")
*/
if (aim_gettlv(tlvlist, 0x000d9, 1))
;
/*
* Type 0x00da: Maximum visible message length
*/
if (aim_gettlv(tlvlist, 0x000da, 1))
maxvisiblemsglen = aim_gettlv16(tlvlist, 0x00da, 1);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) {
ret = userfunc(sess,
rx,
&roominfo,
roomname,
usercount,
userinfo,
roomdesc,
flags,
creationtime,
maxmsglen,
unknown_d2,
unknown_d5,
maxvisiblemsglen);
}
free(roominfo.name);
free(userinfo);
free(roomname);
free(roomdesc);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* Response to 15/2, contains an ICQ packet.
*/
static int icqresponse(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
int ret = 0;
aim_tlvlist_t *tl;
aim_tlv_t *datatlv;
aim_bstream_t qbs;
fu32_t ouruin;
fu16_t cmdlen, cmd, reqid;
if (!(tl = aim_readtlvchain(bs)) || !(datatlv = aim_gettlv(tl, 0x0001, 1))) {
aim_freetlvchain(&tl);
faimdprintf(sess, 0, "corrupt ICQ response\n");
return 0;
}
aim_bstream_init(&qbs, datatlv->value, datatlv->length);
cmdlen = aimbs_getle16(&qbs);
ouruin = aimbs_getle32(&qbs);
cmd = aimbs_getle16(&qbs);
reqid = aimbs_getle16(&qbs);
faimdprintf(sess, 1, "icq response: %d bytes, %ld, 0x%04x, 0x%04x\n", cmdlen, ouruin, cmd, reqid);
if (cmd == 0x0041) {
fu16_t msglen;
struct aim_icq_offlinemsg msg;
aim_rxcallback_t userfunc;
memset(&msg, 0, sizeof(msg));
msg.sender = aimbs_getle32(&qbs);
msg.year = aimbs_getle16(&qbs);
msg.month = aimbs_getle8(&qbs);
msg.day = aimbs_getle8(&qbs);
msg.hour = aimbs_getle8(&qbs);
msg.minute = aimbs_getle8(&qbs);
msg.type = aimbs_getle16(&qbs);
msglen = aimbs_getle16(&qbs);
msg.msg = aimbs_getstr(&qbs, msglen);
if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_ICQ, AIM_CB_ICQ_OFFLINEMSG)))
ret = userfunc(sess, rx, &msg);
free(msg.msg);
} else if (cmd == 0x0042) {
aim_rxcallback_t userfunc;
if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_ICQ, AIM_CB_ICQ_OFFLINEMSGCOMPLETE)))
ret = userfunc(sess, rx);
} else if (cmd == 0x07da) {
fu16_t subtype;
subtype = aimbs_getle16(&qbs);
if (subtype == 0x019a) {
fu16_t tlen;
struct aim_icq_simpleinfo info;
aim_rxcallback_t userfunc;
memset(&info, 0, sizeof(info));
aimbs_getle8(&qbs); /* no clue */
aimbs_getle16(&qbs); /* no clue */
info.uin = aimbs_getle32(&qbs);
tlen = aimbs_getle16(&qbs);
info.nick = aimbs_getstr(&qbs, tlen);
tlen = aimbs_getle16(&qbs);
info.first = aimbs_getstr(&qbs, tlen);
tlen = aimbs_getle16(&qbs);
info.last = aimbs_getstr(&qbs, tlen);
tlen = aimbs_getle16(&qbs);
info.email = aimbs_getstr(&qbs, tlen);
/* no clue what the rest of it is */
if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_ICQ, AIM_CB_ICQ_SIMPLEINFO)))
ret = userfunc(sess, rx, &info);
free(info.nick);
free(info.first);
free(info.last);
free(info.email);
}
else if (subtype == 100 || subtype == 150) {
fu16_t tlen;
struct aim_icq_smsresponse response;
aim_rxcallback_t userfunc;
memset(&response, 0, sizeof(response));
for(tlen = 0; tlen < 7; tlen++)
aimbs_getle8(&qbs); /* no clue */
response.type = subtype;
tlen = aimbs_getle16(&qbs);
response.tag = aimbs_getstr(&qbs, tlen);
tlen = aimbs_getle16(&qbs);
response.xml = aimbs_getstr(&qbs, tlen);
if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_ICQ, AIM_CB_ICQ_SMSRESPONSE)))
ret = userfunc(sess, rx, &response);
free(response.tag);
free(response.xml);
}
else faimdprintf(sess, 1, "unknown subtype 0x%04x\n", subtype);
}
aim_freetlvchain(&tl);
return ret;
}
static int incomingim_ch2(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, guint16 channel, aim_userinfo_t *userinfo, aim_tlvlist_t *tlvlist, guint8 *cookie)
{
aim_rxcallback_t userfunc;
aim_tlv_t *block1, *servdatatlv;
aim_tlvlist_t *list2;
struct aim_incomingim_ch2_args args;
aim_bstream_t bbs, sdbs, *sdbsptr = NULL;
guint8 *cookie2;
int ret = 0;
char clientip1[30] = {""};
char clientip2[30] = {""};
char verifiedip[30] = {""};
memset(&args, 0, sizeof(args));
/*
* There's another block of TLVs embedded in the type 5 here.
*/
block1 = aim_gettlv(tlvlist, 0x0005, 1);
aim_bstream_init(&bbs, block1->value, block1->length);
/*
* First two bytes represent the status of the connection.
*
* 0 is a request, 1 is a deny (?), 2 is an accept
*/
args.status = aimbs_get16(&bbs);
/*
* Next comes the cookie. Should match the ICBM cookie.
*/
cookie2 = aimbs_getraw(&bbs, 8);
if (memcmp(cookie, cookie2, 8) != 0)
imcb_error(sess->aux_data, "rend: warning cookies don't match!");
memcpy(args.cookie, cookie2, 8);
g_free(cookie2);
/*
* The next 16bytes are a capability block so we can
* identify what type of rendezvous this is.
*/
args.reqclass = aim_getcap(sess, &bbs, 0x10);
/*
* What follows may be TLVs or nothing, depending on the
* purpose of the message.
*
* Ack packets for instance have nothing more to them.
*/
list2 = aim_readtlvchain(&bbs);
/*
* IP address from the perspective of the client.
*/
if (aim_gettlv(list2, 0x0002, 1)) {
aim_tlv_t *iptlv;
iptlv = aim_gettlv(list2, 0x0002, 1);
g_snprintf(clientip1, sizeof(clientip1), "%d.%d.%d.%d",
aimutil_get8(iptlv->value+0),
aimutil_get8(iptlv->value+1),
aimutil_get8(iptlv->value+2),
aimutil_get8(iptlv->value+3));
}
/*
* Secondary IP address from the perspective of the client.
*/
if (aim_gettlv(list2, 0x0003, 1)) {
aim_tlv_t *iptlv;
iptlv = aim_gettlv(list2, 0x0003, 1);
g_snprintf(clientip2, sizeof(clientip2), "%d.%d.%d.%d",
aimutil_get8(iptlv->value+0),
aimutil_get8(iptlv->value+1),
aimutil_get8(iptlv->value+2),
aimutil_get8(iptlv->value+3));
}
/*
* Verified IP address (from the perspective of Oscar).
*
* This is added by the server.
*/
if (aim_gettlv(list2, 0x0004, 1)) {
aim_tlv_t *iptlv;
iptlv = aim_gettlv(list2, 0x0004, 1);
g_snprintf(verifiedip, sizeof(verifiedip), "%d.%d.%d.%d",
aimutil_get8(iptlv->value+0),
aimutil_get8(iptlv->value+1),
aimutil_get8(iptlv->value+2),
aimutil_get8(iptlv->value+3));
}
/*
* Port number for something.
*/
if (aim_gettlv(list2, 0x0005, 1))
args.port = aim_gettlv16(list2, 0x0005, 1);
/*
* Error code.
*/
if (aim_gettlv(list2, 0x000b, 1))
args.errorcode = aim_gettlv16(list2, 0x000b, 1);
/*
* Invitation message / chat description.
*/
if (aim_gettlv(list2, 0x000c, 1))
args.msg = aim_gettlv_str(list2, 0x000c, 1);
/*
* Character set.
*/
if (aim_gettlv(list2, 0x000d, 1))
args.encoding = aim_gettlv_str(list2, 0x000d, 1);
/*
* Language.
*/
if (aim_gettlv(list2, 0x000e, 1))
args.language = aim_gettlv_str(list2, 0x000e, 1);
/* Unknown -- two bytes = 0x0001 */
if (aim_gettlv(list2, 0x000a, 1))
;
/* Unknown -- no value */
if (aim_gettlv(list2, 0x000f, 1))
;
if (strlen(clientip1))
args.clientip = (char *)clientip1;
if (strlen(clientip2))
args.clientip2 = (char *)clientip2;
if (strlen(verifiedip))
args.verifiedip = (char *)verifiedip;
/*
* This is must be present in PROPOSALs, but will probably not
* exist in CANCELs and ACCEPTs.
*
* Service Data blocks are module-specific in format.
*/
if ((servdatatlv = aim_gettlv(list2, 0x2711 /* 10001 */, 1))) {
aim_bstream_init(&sdbs, servdatatlv->value, servdatatlv->length);
sdbsptr = &sdbs;
}
if (args.reqclass & AIM_CAPS_ICQSERVERRELAY)
incomingim_ch2_icqserverrelay(sess, mod, rx, snac, userinfo, &args, sdbsptr);
else if (args.reqclass & AIM_CAPS_CHAT)
incomingim_ch2_chat(sess, mod, rx, snac, userinfo, &args, sdbsptr);
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, channel, userinfo, &args);
if (args.destructor)
((ch2_args_destructor_t)args.destructor)(sess, &args);
g_free((char *)args.msg);
g_free((char *)args.encoding);
g_free((char *)args.language);
aim_freetlvchain(&list2);
return ret;
}
static int outgoingim(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
int i, ret = 0;
aim_rxcallback_t userfunc;
guint16 channel;
aim_tlvlist_t *tlvlist;
char *sn;
int snlen;
guint16 icbmflags = 0;
guint8 flag1 = 0, flag2 = 0;
char *msg = NULL;
aim_tlv_t *msgblock;
/* ICBM Cookie. */
for (i = 0; i < 8; i++)
aimbs_get8(bs);
/* Channel ID */
channel = aimbs_get16(bs);
if (channel != 0x01) {
imcb_error(sess->aux_data, "icbm: ICBM received on unsupported channel. Ignoring.");
return 0;
}
snlen = aimbs_get8(bs);
sn = aimbs_getstr(bs, snlen);
tlvlist = aim_readtlvchain(bs);
if (aim_gettlv(tlvlist, 0x0003, 1))
icbmflags |= AIM_IMFLAGS_ACK;
if (aim_gettlv(tlvlist, 0x0004, 1))
icbmflags |= AIM_IMFLAGS_AWAY;
if ((msgblock = aim_gettlv(tlvlist, 0x0002, 1))) {
aim_bstream_t mbs;
int featurelen, msglen;
aim_bstream_init(&mbs, msgblock->value, msgblock->length);
aimbs_get8(&mbs);
aimbs_get8(&mbs);
for (featurelen = aimbs_get16(&mbs); featurelen; featurelen--)
aimbs_get8(&mbs);
aimbs_get8(&mbs);
aimbs_get8(&mbs);
msglen = aimbs_get16(&mbs) - 4; /* final block length */
flag1 = aimbs_get16(&mbs);
flag2 = aimbs_get16(&mbs);
msg = aimbs_getstr(&mbs, msglen);
}
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, channel, sn, msg, icbmflags, flag1, flag2);
g_free(sn);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* 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.
*
*/
static int incomingim(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
int i, ret = 0;
guint8 cookie[8];
guint16 channel;
aim_userinfo_t userinfo;
memset(&userinfo, 0x00, sizeof(aim_userinfo_t));
/*
* Read ICBM Cookie. And throw away.
*/
for (i = 0; i < 8; i++)
cookie[i] = aimbs_get8(bs);
/*
* 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.
*
* Channel 0x0002 is the Rendevous channel, which
* is where Chat Invitiations and various client-client
* connection negotiations come from.
*
* Channel 0x0004 is used for ICQ authorization, or
* possibly any system notice.
*
*/
channel = aimbs_get16(bs);
/*
* Extract the standard user info block.
*
* Note that although this contains TLVs that appear contiguous
* with the TLVs read below, they are two different pieces. The
* userinfo block contains the number of TLVs that contain user
* information, the rest are not even though there is no seperation.
* aim_extractuserinfo() returns the number of bytes used by the
* userinfo tlvs, so you can start reading the rest of them right
* afterward.
*
* That also means that TLV types can be duplicated between the
* userinfo block and the rest of the message, however there should
* never be two TLVs of the same type in one block.
*
*/
aim_extractuserinfo(sess, bs, &userinfo);
/*
* From here on, its depends on what channel we're on.
*
* Technically all channels have a TLV list have this, however,
* for the common channel 1 case, in-place parsing is used for
* performance reasons (less memory allocation).
*/
if (channel == 1) {
ret = incomingim_ch1(sess, mod, rx, snac, channel, &userinfo, bs, cookie);
} else if (channel == 2) {
aim_tlvlist_t *tlvlist;
/*
* Read block of TLVs (not including the userinfo data). All
* further data is derived from what is parsed here.
*/
tlvlist = aim_readtlvchain(bs);
ret = incomingim_ch2(sess, mod, rx, snac, channel, &userinfo, tlvlist, cookie);
aim_freetlvchain(&tlvlist);
} else if (channel == 4) {
aim_tlvlist_t *tlvlist;
tlvlist = aim_readtlvchain(bs);
ret = incomingim_ch4(sess, mod, rx, snac, channel, &userinfo, tlvlist, cookie);
aim_freetlvchain(&tlvlist);
} else {
imcb_error(sess->aux_data, "ICBM received on an unsupported channel. Ignoring.");
return 0;
}
return ret;
}
static int parseinfo_perms(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs, aim_snac_t *snac2)
{
aim_rxcallback_t userfunc;
int ret = 0;
struct aim_chat_exchangeinfo *exchanges = NULL;
int curexchange;
aim_tlv_t *exchangetlv;
fu8_t maxrooms = 0;
aim_tlvlist_t *tlvlist, *innerlist;
tlvlist = aim_readtlvchain(bs);
/*
* Type 0x0002: Maximum concurrent rooms.
*/
if (aim_gettlv(tlvlist, 0x0002, 1))
maxrooms = aim_gettlv8(tlvlist, 0x0002, 1);
/*
* Type 0x0003: Exchange information
*
* There can be any number of these, each one
* representing another exchange.
*
*/
for (curexchange = 0; ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))); ) {
aim_bstream_t tbs;
aim_bstream_init(&tbs, exchangetlv->value, exchangetlv->length);
curexchange++;
exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo));
/* exchange number */
exchanges[curexchange-1].number = aimbs_get16(&tbs);
innerlist = aim_readtlvchain(&tbs);
/*
* Type 0x000a: Unknown.
*
* Usually three bytes: 0x0114 (exchange 1) or 0x010f (others).
*
*/
if (aim_gettlv(innerlist, 0x000a, 1))
;
/*
* Type 0x000d: Unknown.
*/
if (aim_gettlv(innerlist, 0x000d, 1))
;
/*
* Type 0x0004: Unknown
*/
if (aim_gettlv(innerlist, 0x0004, 1))
;
/*
* Type 0x0002: Unknown
*/
if (aim_gettlv(innerlist, 0x0002, 1)) {
fu16_t classperms;
classperms = aim_gettlv16(innerlist, 0x0002, 1);
faimdprintf(sess, 1, "faim: class permissions %x\n", classperms);
}
/*
* Type 0x00c9: Flags
*
* 1 Evilable
* 2 Nav Only
* 4 Instancing Allowed
* 8 Occupant Peek Allowed
*
*/
if (aim_gettlv(innerlist, 0x00c9, 1))
exchanges[curexchange-1].flags = aim_gettlv16(innerlist, 0x00c9, 1);
/*
* Type 0x00ca: Creation Date
*/
if (aim_gettlv(innerlist, 0x00ca, 1))
;
/*
* Type 0x00d0: Mandatory Channels?
*/
if (aim_gettlv(innerlist, 0x00d0, 1))
;
/*
* Type 0x00d1: Maximum Message length
*/
if (aim_gettlv(innerlist, 0x00d1, 1))
;
/*
* Type 0x00d2: Maximum Occupancy?
*/
if (aim_gettlv(innerlist, 0x00d2, 1))
;
/*
* Type 0x00d3: Exchange Description
*/
if (aim_gettlv(innerlist, 0x00d3, 1))
exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1);
else
exchanges[curexchange-1].name = NULL;
/*
* Type 0x00d4: Exchange Description URL
*/
if (aim_gettlv(innerlist, 0x00d4, 1))
;
/*
* Type 0x00d5: Creation Permissions
*
* 0 Creation not allowed
* 1 Room creation allowed
* 2 Exchange creation allowed
*
*/
if (aim_gettlv(innerlist, 0x00d5, 1)) {
fu8_t createperms;
createperms = aim_gettlv8(innerlist, 0x00d5, 1);
}
/*
* Type 0x00d6: Character Set (First Time)
*/
if (aim_gettlv(innerlist, 0x00d6, 1))
exchanges[curexchange-1].charset1 = aim_gettlv_str(innerlist, 0x00d6, 1);
else
exchanges[curexchange-1].charset1 = NULL;
/*
* Type 0x00d7: Language (First Time)
*/
if (aim_gettlv(innerlist, 0x00d7, 1))
exchanges[curexchange-1].lang1 = aim_gettlv_str(innerlist, 0x00d7, 1);
else
exchanges[curexchange-1].lang1 = NULL;
/*
* Type 0x00d8: Character Set (Second Time)
*/
if (aim_gettlv(innerlist, 0x00d8, 1))
exchanges[curexchange-1].charset2 = aim_gettlv_str(innerlist, 0x00d8, 1);
else
exchanges[curexchange-1].charset2 = NULL;
/*
* Type 0x00d9: Language (Second Time)
*/
if (aim_gettlv(innerlist, 0x00d9, 1))
exchanges[curexchange-1].lang2 = aim_gettlv_str(innerlist, 0x00d9, 1);
else
exchanges[curexchange-1].lang2 = NULL;
/*
* Type 0x00da: Unknown
*/
if (aim_gettlv(innerlist, 0x00da, 1))
;
aim_freetlvchain(&innerlist);
}
/*
* Call client.
*/
if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges);
for (curexchange--; curexchange >= 0; curexchange--) {
free(exchanges[curexchange].name);
free(exchanges[curexchange].charset1);
free(exchanges[curexchange].lang1);
free(exchanges[curexchange].charset2);
free(exchanges[curexchange].lang2);
}
free(exchanges);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* This is sent back as a general response to the login command.
* It can be either an error or a success, depending on the
* precense of certain TLVs.
*
* The client should check the value passed as errorcode. If
* its nonzero, there was an error.
*
*/
static int parse(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_tlvlist_t *tlvlist;
aim_rxcallback_t userfunc;
struct aim_authresp_info info;
int ret = 0;
memset(&info, 0, sizeof(info));
/*
* Read block of TLVs. All further data is derived
* from what is parsed here.
*/
tlvlist = aim_readtlvchain(bs);
/*
* No matter what, we should have a screen name.
*/
memset(sess->sn, 0, sizeof(sess->sn));
if (aim_gettlv(tlvlist, 0x0001, 1)) {
info.sn = aim_gettlv_str(tlvlist, 0x0001, 1);
strncpy(sess->sn, info.sn, sizeof(sess->sn));
}
/*
* Check for an error code. If so, we should also
* have an error url.
*/
if (aim_gettlv(tlvlist, 0x0008, 1)) {
info.errorcode = aim_gettlv16(tlvlist, 0x0008, 1);
}
if (aim_gettlv(tlvlist, 0x0004, 1)) {
info.errorurl = aim_gettlv_str(tlvlist, 0x0004, 1);
}
/*
* BOS server address.
*/
if (aim_gettlv(tlvlist, 0x0005, 1)) {
info.bosip = aim_gettlv_str(tlvlist, 0x0005, 1);
}
/*
* Authorization cookie.
*/
if (aim_gettlv(tlvlist, 0x0006, 1)) {
aim_tlv_t *tmptlv;
tmptlv = aim_gettlv(tlvlist, 0x0006, 1);
info.cookie = tmptlv->value;
}
/*
* The email address attached to this account
* Not available for ICQ logins.
*/
if (aim_gettlv(tlvlist, 0x0011, 1)) {
info.email = aim_gettlv_str(tlvlist, 0x0011, 1);
}
/*
* The registration status. (Not real sure what it means.)
* Not available for ICQ logins.
*
* 1 = No disclosure
* 2 = Limited disclosure
* 3 = Full disclosure
*
* This has to do with whether your email address is available
* to other users or not. AFAIK, this feature is no longer used.
*
*/
if (aim_gettlv(tlvlist, 0x0013, 1)) {
info.regstatus = aim_gettlv16(tlvlist, 0x0013, 1);
}
if (aim_gettlv(tlvlist, 0x0040, 1)) {
info.latestbeta.build = aim_gettlv32(tlvlist, 0x0040, 1);
}
if (aim_gettlv(tlvlist, 0x0041, 1)) {
info.latestbeta.url = aim_gettlv_str(tlvlist, 0x0041, 1);
}
if (aim_gettlv(tlvlist, 0x0042, 1)) {
info.latestbeta.info = aim_gettlv_str(tlvlist, 0x0042, 1);
}
if (aim_gettlv(tlvlist, 0x0043, 1)) {
info.latestbeta.name = aim_gettlv_str(tlvlist, 0x0043, 1);
}
if (aim_gettlv(tlvlist, 0x0048, 1)) {
; /* no idea what this is */
}
if (aim_gettlv(tlvlist, 0x0044, 1)) {
info.latestrelease.build = aim_gettlv32(tlvlist, 0x0044, 1);
}
if (aim_gettlv(tlvlist, 0x0045, 1)) {
info.latestrelease.url = aim_gettlv_str(tlvlist, 0x0045, 1);
}
if (aim_gettlv(tlvlist, 0x0046, 1)) {
info.latestrelease.info = aim_gettlv_str(tlvlist, 0x0046, 1);
}
if (aim_gettlv(tlvlist, 0x0047, 1)) {
info.latestrelease.name = aim_gettlv_str(tlvlist, 0x0047, 1);
}
if (aim_gettlv(tlvlist, 0x0049, 1)) {
; /* no idea what this is */
}
if ((userfunc = aim_callhandler(sess, rx->conn, snac ? snac->family : 0x0017, snac ? snac->subtype : 0x0003))) {
ret = userfunc(sess, rx, &info);
}
g_free(info.sn);
g_free(info.bosip);
g_free(info.errorurl);
g_free(info.email);
g_free(info.latestrelease.name);
g_free(info.latestrelease.url);
g_free(info.latestrelease.info);
g_free(info.latestbeta.name);
g_free(info.latestbeta.url);
g_free(info.latestbeta.info);
aim_freetlvchain(&tlvlist);
return ret;
}
/**
* Subtype 0x0003 - Response to 0x0015/0x002, contains an ICQesque packet.
*/
static int icqresponse(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
int ret = 0;
aim_tlvlist_t *tl;
aim_tlv_t *datatlv;
aim_bstream_t qbs;
guint32 ouruin;
guint16 cmdlen, cmd, reqid;
if (!(tl = aim_readtlvchain(bs)) || !(datatlv = aim_gettlv(tl, 0x0001, 1))) {
aim_freetlvchain(&tl);
imcb_error(sess->aux_data, "corrupt ICQ response\n");
return 0;
}
aim_bstream_init(&qbs, datatlv->value, datatlv->length);
cmdlen = aimbs_getle16(&qbs);
ouruin = aimbs_getle32(&qbs);
cmd = aimbs_getle16(&qbs);
reqid = aimbs_getle16(&qbs);
if (cmd == 0x0041) { /* offline message */
guint16 msglen;
struct aim_icq_offlinemsg msg;
aim_rxcallback_t userfunc;
memset(&msg, 0, sizeof(msg));
msg.sender = aimbs_getle32(&qbs);
msg.year = aimbs_getle16(&qbs);
msg.month = aimbs_getle8(&qbs);
msg.day = aimbs_getle8(&qbs);
msg.hour = aimbs_getle8(&qbs);
msg.minute = aimbs_getle8(&qbs);
msg.type = aimbs_getle16(&qbs);
msglen = aimbs_getle16(&qbs);
msg.msg = aimbs_getstr(&qbs, msglen);
if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_ICQ, AIM_CB_ICQ_OFFLINEMSG)))
ret = userfunc(sess, rx, &msg);
g_free(msg.msg);
} else if (cmd == 0x0042) {
aim_rxcallback_t userfunc;
if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_ICQ, AIM_CB_ICQ_OFFLINEMSGCOMPLETE)))
ret = userfunc(sess, rx);
} else if (cmd == 0x07da) { /* information */
guint16 subtype;
struct aim_icq_info *info;
aim_rxcallback_t userfunc;
subtype = aimbs_getle16(&qbs);
aim_bstream_advance(&qbs, 1); /* 0x0a */
/* find another data from the same request */
for (info = sess->icq_info; info && (info->reqid != reqid); info = info->next);
if (!info) {
info = g_new0(struct aim_icq_info, 1);
info->reqid = reqid;
info->next = sess->icq_info;
sess->icq_info = info;
}