#include <aim.h>
#include "bos.h"
/* Request BOS rights (group 9, type 2) */
int aim_bos_reqrights(aim_session_t *sess, aim_conn_t *conn)
{
return aim_genericreq_n(sess, conn, 0x0009, 0x0002);
}
/* BOS Rights (group 9, type 3) */
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;
guint16 maxpermits = 0, maxdenies = 0;
int ret = 0;
/*
* TLVs follow
*/
tlvlist = aim_readtlvchain(bs);
/*
/*
* Handle ChatNav.
*
* [The ChatNav(igation) service does various things to keep chat
* alive. It provides room information, room searching and creating,
* as well as giving users the right ("permission") to use chat.]
*
*/
#include <aim.h>
#include "chatnav.h"
/*
* conn must be a chatnav connection!
*/
int aim_chatnav_reqrights(aim_session_t *sess, aim_conn_t *conn)
{
return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002);
}
int aim_chatnav_createroom(aim_session_t *sess, aim_conn_t *conn, const char *name, guint16 exchange)
{
static const char ck[] = {"create"};
static const char lang[] = {"en"};
static const char charset[] = {"us-ascii"};
aim_frame_t *fr;
aim_snacid_t snacid;
aim_tlvlist_t *tl = NULL;
if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152)))
return -ENOMEM;
snacid = aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0);
aim_putsnac(&fr->data, 0x000d, 0x0008, 0x0000, snacid);
/* exchange */
aimbs_put16(&fr->data, exchange);
/*
* This looks to be a big hack. You'll note that this entire
* SNAC is just a room info structure, but the hard room name,
* here, is set to "create".
*
* Either this goes on the "list of questions concerning
* why-the-hell-did-you-do-that", or this value is completly
* ignored. Without experimental evidence, but a good knowledge of
* AOL style, I'm going to guess that it is the latter, and that
* the value of the room name in create requests is ignored.
*/
aimbs_put8(&fr->data, strlen(ck));
aimbs_putraw(&fr->data, (guint8 *)ck, strlen(ck));
/*
* instance
*
* Setting this to 0xffff apparently assigns the last instance.
*
*/
aimbs_put16(&fr->data, 0xffff);
/* detail level */
aimbs_put8(&fr->data, 0x01);
aim_addtlvtochain_raw(&tl, 0x00d3, strlen(name), (guint8 *)name);
aim_addtlvtochain_raw(&tl, 0x00d6, strlen(charset), (guint8 *)charset);
aim_addtlvtochain_raw(&tl, 0x00d7, strlen(lang), (guint8 *)lang);
/* tlvcount */
aimbs_put16(&fr->data, aim_counttlvchain(&tl));
aim_writetlvchain(&fr->data, &tl);
aim_freetlvchain(&tl);
aim_tx_enqueue(sess, fr);
return 0;
}
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;
guint8 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 = g_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)) {
guint16 classperms;
classperms = aim_gettlv16(innerlist, 0x0002, 1);
}
/*
* 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)) {
guint8 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--) {
g_free(exchanges[curexchange].name);
g_free(exchanges[curexchange].charset1);
g_free(exchanges[curexchange].lang1);
g_free(exchanges[curexchange].charset2);
g_free(exchanges[curexchange].lang2);
}
g_free(exchanges);
aim_freetlvchain(&tlvlist);
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;
guint16 exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
guint32 createtime = 0;
guint8 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))) {
imcb_error(sess->aux_data, "no bigblock in top tlv in create room response");
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) {
imcb_error(sess->aux_data, "unknown detaillevel in create room response");
aim_freetlvchain(&tlvlist);
g_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);
}
g_free(ck);
g_free(name);
g_free(fqcn);
aim_freetlvchain(&innerlist);
aim_freetlvchain(&tlvlist);
return ret;
}
/*
* Since multiple things can trigger this callback, we must lookup the
* snacid to determine the original snac subtype that was called.
*
* XXX This isn't really how this works. But this is: Every d/9 response
* has a 16bit value at the beginning. That matches to:
* Short Desc = 1
* Full Desc = 2
* Instance Info = 4
* Nav Short Desc = 8
* Nav Instance Info = 16
* And then everything is really asynchronous. There is no specific
* attachment of a response to a create room request, for example. Creating
* the room yields no different a response than requesting the room's info.
*
*/
static int parseinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
aim_snac_t *snac2;
int ret = 0;
if (!(snac2 = aim_remsnac(sess, snac->id))) {
imcb_error(sess->aux_data, "received response to unknown request!");
return 0;
}
if (snac2->family != 0x000d) {
imcb_error(sess->aux_data, "recieved response that maps to corrupt request!");
return 0;
}
/*
* We now know what the original SNAC subtype was.
*/
if (snac2->type == 0x0002) /* request chat rights */
ret = parseinfo_perms(sess, mod, rx, snac, bs, snac2);
else if (snac2->type == 0x0003) {} /* request exchange info */
else if (snac2->type == 0x0004) {} /* request room info */
else if (snac2->type == 0x0005) {} /* request more room info */
else if (snac2->type == 0x0006) {} /* request occupant list */
else if (snac2->type == 0x0007) {} /* search for a room */
else if (snac2->type == 0x0008) /* create room */
ret = parseinfo_create(sess, mod, rx, snac, bs, snac2);
else
imcb_error(sess->aux_data, "unknown request subtype");
if (snac2)
g_free(snac2->data);
g_free(snac2);
return ret;
}
static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
if (snac->subtype == 0x0009)
return parseinfo(sess, mod, rx, snac, bs);
return 0;
}
int chatnav_modfirst(aim_session_t *sess, aim_module_t *mod)
{
mod->family = 0x000d;
mod->version = 0x0003;
mod->toolid = 0x0010;
mod->toolversion = 0x0629;
mod->flags = 0;
strncpy(mod->name, "chatnav", sizeof(mod->name));
mod->snachandler = snachandler;
return 0;
}
