[libfaim.git] / src / chatnav.c

/*
 * 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.]
 *
 */

#define FAIM_INTERNAL
#include <aim.h>

/*
 * conn must be a chatnav connection!
 */
faim_export unsigned long aim_chatnav_reqrights(struct aim_session_t *sess,
						struct aim_conn_t *conn)
{
  aim_genericreq_n(sess, conn, 0x000d, 0x0002);

  return sess->snac_nextid;
}

faim_export unsigned long aim_chatnav_clientready(struct aim_session_t *sess,
						  struct aim_conn_t *conn)
{
  struct command_tx_struct *newpacket; 
  int i;

  if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 0x20)))
    return -1;

  newpacket->lock = 1;

  i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);

  i+= aimutil_put16(newpacket->data+i, 0x000d);
  i+= aimutil_put16(newpacket->data+i, 0x0001);

  i+= aimutil_put16(newpacket->data+i, 0x0004);
  i+= aimutil_put16(newpacket->data+i, 0x0001);

  i+= aimutil_put16(newpacket->data+i, 0x0001);
  i+= aimutil_put16(newpacket->data+i, 0x0003);

  i+= aimutil_put16(newpacket->data+i, 0x0004);
  i+= aimutil_put16(newpacket->data+i, 0x0686);

  aim_tx_enqueue(sess, newpacket);

  return (sess->snac_nextid++);
}

faim_export unsigned long aim_chatnav_createroom(struct aim_session_t *sess,
						 struct aim_conn_t *conn,
						 char *name, 
						 u_short exchange)
{
  struct command_tx_struct *newpacket; 
  int i;

  if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+12+strlen("invite")+strlen(name))))
    return -1;

  newpacket->lock = 1;

  i = aim_putsnac(newpacket->data, 0x000d, 0x0008, 0x0000, sess->snac_nextid);

  /* exchange */
  i+= aimutil_put16(newpacket->data+i, exchange);

  /* room cookie */
  i+= aimutil_put8(newpacket->data+i, strlen("invite"));
  i+= aimutil_putstr(newpacket->data+i, "invite", strlen("invite"));

  /* instance */
  i+= aimutil_put16(newpacket->data+i, 0xffff);
  
  /* detail level */
  i+= aimutil_put8(newpacket->data+i, 0x01);
  
  /* tlvcount */
  i+= aimutil_put16(newpacket->data+i, 0x0001);

  /* room name */
  i+= aim_puttlv_str(newpacket->data+i, 0x00d3, strlen(name), name);

  aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0);

  aim_tx_enqueue(sess, newpacket);

  return sess->snac_nextid;
}

static int parseinfo_perms(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen, struct aim_snac_t *snac2)
{
  aim_rxcallback_t userfunc;
  int ret = 0;
  struct aim_tlvlist_t *tlvlist;
  struct aim_chat_exchangeinfo *exchanges = NULL;
  int curexchange = 0;
  struct aim_tlv_t *exchangetlv;
  unsigned char maxrooms = 0;
  struct aim_tlvlist_t *innerlist;

  tlvlist = aim_readtlvchain(data, datalen);

  /* 
   * 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.  
   * 
   */
  curexchange = 0;
  while ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))) {
    curexchange++;
    exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo));
    /* exchange number */
    exchanges[curexchange-1].number = aimutil_get16(exchangetlv->value);
    innerlist = aim_readtlvchain(exchangetlv->value+2, exchangetlv->length-2);

    /* 
     * 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)) {
      unsigned short classperms;

      classperms = aim_gettlv16(innerlist, 0x0002, 1);
		
      faimdprintf(sess, 1, "faim: class permissions %x\n", classperms);
    }

    /*
     * Type 0x00c9: Unknown
     */ 
    if (aim_gettlv(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 Name
     */
    if (aim_gettlv(innerlist, 0x00d3, 1))	
      exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1);
    else
      exchanges[curexchange-1].name = NULL;

    /*
     * Type 0x00d5: Creation Permissions
     *
     * 0  Creation not allowed
     * 1  Room creation allowed
     * 2  Exchange creation allowed
     * 
     */
    if (aim_gettlv(innerlist, 0x00d5, 1)) {
      unsigned char 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;
	      
    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);
  curexchange--;
  while(curexchange >= 0) {
    free(exchanges[curexchange].name);
    free(exchanges[curexchange].charset1);
    free(exchanges[curexchange].lang1);
    free(exchanges[curexchange].charset2);
    free(exchanges[curexchange].lang2);
    curexchange--;
  }
  free(exchanges);
  aim_freetlvchain(&tlvlist);

  return ret;
}

static int parseinfo_create(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen, struct aim_snac_t *snac2)
{
  aim_rxcallback_t userfunc;
  struct aim_tlvlist_t *tlvlist, *innerlist;
  char *ck = NULL, *fqcn = NULL, *name = NULL;
  unsigned short exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
  unsigned long createtime = 0;
  unsigned char createperms = 0;
  int i = 0, cklen;
  struct aim_tlv_t *bigblock;
  int ret = 0;

  if (!(tlvlist = aim_readtlvchain(data, datalen))) {
    faimdprintf(sess, 0, "unable to read top tlv in create room response\n");
    return 0;
  }

  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;
  }

  exchange = aimutil_get16(bigblock->value+i);
  i += 2;

  cklen = aimutil_get8(bigblock->value+i);
  i++;

  ck = malloc(cklen+1);
  memcpy(ck, bigblock->value+i, cklen);
  ck[cklen] = '\0';
  i += cklen;

  instance = aimutil_get16(bigblock->value+i);
  i += 2;

  if (aimutil_get8(bigblock->value+i) != 0x02) {
    faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", aimutil_get8(bigblock->value+i));
    aim_freetlvchain(&tlvlist);
    free(ck);
    return 0;
  }
  i += 1;
      
  unknown = aimutil_get16(bigblock->value+i);
  i += 2;

  if (!(innerlist = aim_readtlvchain(bigblock->value+i, bigblock->length-i))) {
    faimdprintf(sess, 0, "unable to read inner tlv chain in create room response\n");
    aim_freetlvchain(&tlvlist);
    free(ck);
    return 0;
  }

  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;
}

/*
 * Since multiple things can trigger this callback,
 * we must lookup the snacid to determine the original
 * snac subtype that was called.
 */
static int parseinfo(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen)
{
  struct aim_snac_t *snac2;
  int ret = 0;

  if (!(snac2 = aim_remsnac(sess, snac->id))) {
    faimdprintf(sess, 0, "faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snac->id);
    return 0;
  }
  
  if (snac2->family != 0x000d) {
    faimdprintf(sess, 0, "faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac2->family);
    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, data, datalen, snac2);
  else if (snac2->type == 0x0003) /* request exchange info */
    faimdprintf(sess, 0, "chatnav_parse_info: resposne to exchange info\n");
  else if (snac2->type == 0x0004) /* request room info */
    faimdprintf(sess, 0, "chatnav_parse_info: response to room info\n");
  else if (snac2->type == 0x0005) /* request more room info */
    faimdprintf(sess, 0, "chatnav_parse_info: response to more room info\n");
  else if (snac2->type == 0x0006) /* request occupant list */
    faimdprintf(sess, 0, "chatnav_parse_info: response to occupant info\n");
  else if (snac2->type == 0x0007) /* search for a room */
    faimdprintf(sess, 0, "chatnav_parse_info: search results\n");
  else if (snac2->type == 0x0008) /* create room */
    ret = parseinfo_create(sess, mod, rx, snac, data, datalen, snac2);
  else
    faimdprintf(sess, 0, "chatnav_parse_info: unknown request subtype (%04x)\n", snac2->type);

  if (snac2)
    free(snac2->data);
  free(snac2);
  
  return ret;
}

static int snachandler(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen)
{

  if (snac->subtype == 0x0009)
    return parseinfo(sess, mod, rx, snac, data, datalen);

  return 0;
}

faim_internal int chatnav_modfirst(struct aim_session_t *sess, aim_module_t *mod)
{

  mod->family = 0x000d;
  mod->version = 0x0000;
  mod->flags = 0;
  strncpy(mod->name, "chatnav", sizeof(mod->name));
  mod->snachandler = snachandler;

  return 0;
}
Commit	Line	Data
9de3ca7e	1	/*
37ee990e	2	* Handle ChatNav.
9de3ca7e	3	*
37ee990e	4	* [The ChatNav(igation) service does various things to keep chat
	5	* alive. It provides room information, room searching and creating,
	6	* as well as giving users the right ("permission") to use chat.]
9de3ca7e	7	*
	8	*/
	9
37ee990e	10	#define FAIM_INTERNAL
dd60ff8b	11	#include <aim.h>
9de3ca7e	12
0c20631f	13	/*
	14	* conn must be a chatnav connection!
	15	*/
78b3fb13	16	faim_export unsigned long aim_chatnav_reqrights(struct aim_session_t *sess,
78b3fb13	17	struct aim_conn_t *conn)
0c20631f	18	{
1ea867e3	19	aim_genericreq_n(sess, conn, 0x000d, 0x0002);
0c20631f	20
1ea867e3	21	return sess->snac_nextid;
0c20631f	22	}
0c20631f	23
78b3fb13	24	faim_export unsigned long aim_chatnav_clientready(struct aim_session_t *sess,
78b3fb13	25	struct aim_conn_t *conn)
0c20631f	26	{
5b79dc93	27	struct command_tx_struct *newpacket;
0c20631f	28	int i;
0c20631f	29
646c6b52	30	if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 0x20)))
5b79dc93	31	return -1;
0c20631f	32
5b79dc93	33	newpacket->lock = 1;
0c20631f	34
5b79dc93	35	i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);
0c20631f	36
5b79dc93	37	i+= aimutil_put16(newpacket->data+i, 0x000d);
5b79dc93	38	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	39
5b79dc93	40	i+= aimutil_put16(newpacket->data+i, 0x0004);
5b79dc93	41	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	42
5b79dc93	43	i+= aimutil_put16(newpacket->data+i, 0x0001);
5b79dc93	44	i+= aimutil_put16(newpacket->data+i, 0x0003);
0c20631f	45
5b79dc93	46	i+= aimutil_put16(newpacket->data+i, 0x0004);
	47	i+= aimutil_put16(newpacket->data+i, 0x0686);
	48
	49	aim_tx_enqueue(sess, newpacket);
0c20631f	50
	51	return (sess->snac_nextid++);
	52	}
	53
78b3fb13	54	faim_export unsigned long aim_chatnav_createroom(struct aim_session_t *sess,
	55	struct aim_conn_t *conn,
	56	char *name,
	57	u_short exchange)
0c20631f	58	{
5b79dc93	59	struct command_tx_struct *newpacket;
0c20631f	60	int i;
0c20631f	61
646c6b52	62	if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+12+strlen("invite")+strlen(name))))
5b79dc93	63	return -1;
0c20631f	64
5b79dc93	65	newpacket->lock = 1;
0c20631f	66
5b79dc93	67	i = aim_putsnac(newpacket->data, 0x000d, 0x0008, 0x0000, sess->snac_nextid);
0c20631f	68
0c20631f	69	/* exchange */
5b79dc93	70	i+= aimutil_put16(newpacket->data+i, exchange);
0c20631f	71
0c20631f	72	/* room cookie */
5b79dc93	73	i+= aimutil_put8(newpacket->data+i, strlen("invite"));
5b79dc93	74	i+= aimutil_putstr(newpacket->data+i, "invite", strlen("invite"));
0c20631f	75
0c20631f	76	/* instance */
5b79dc93	77	i+= aimutil_put16(newpacket->data+i, 0xffff);
0c20631f	78
0c20631f	79	/* detail level */
5b79dc93	80	i+= aimutil_put8(newpacket->data+i, 0x01);
0c20631f	81
0c20631f	82	/* tlvcount */
5b79dc93	83	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	84
0c20631f	85	/* room name */
5b79dc93	86	i+= aim_puttlv_str(newpacket->data+i, 0x00d3, strlen(name), name);
0c20631f	87
1ea867e3	88	aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0);
0c20631f	89
5b79dc93	90	aim_tx_enqueue(sess, newpacket);
0c20631f	91
1ea867e3	92	return sess->snac_nextid;
0c20631f	93	}
00ef5271	94
	95	static int parseinfo_perms(struct aim_session_t sess, aim_module_t mod, struct command_rx_struct rx, aim_modsnac_t snac, unsigned char data, int datalen, struct aim_snac_t snac2)
	96	{
e677fc43	97	aim_rxcallback_t userfunc;
00ef5271	98	int ret = 0;
	99	struct aim_tlvlist_t *tlvlist;
	100	struct aim_chat_exchangeinfo *exchanges = NULL;
	101	int curexchange = 0;
	102	struct aim_tlv_t *exchangetlv;
	103	unsigned char maxrooms = 0;
	104	struct aim_tlvlist_t *innerlist;
	105
	106	tlvlist = aim_readtlvchain(data, datalen);
	107
	108	/*
	109	* Type 0x0002: Maximum concurrent rooms.
	110	*/
	111	if (aim_gettlv(tlvlist, 0x0002, 1))
	112	maxrooms = aim_gettlv8(tlvlist, 0x0002, 1);
	113
	114	/*
	115	* Type 0x0003: Exchange information
	116	*
	117	* There can be any number of these, each one
	118	* representing another exchange.
	119	*
	120	*/
	121	curexchange = 0;
	122	while ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))) {
	123	curexchange++;
	124	exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo));
	125	/* exchange number */
	126	exchanges[curexchange-1].number = aimutil_get16(exchangetlv->value);
	127	innerlist = aim_readtlvchain(exchangetlv->value+2, exchangetlv->length-2);
	128
	129	/*
	130	* Type 0x000d: Unknown.
	131	*/
	132	if (aim_gettlv(innerlist, 0x000d, 1))
	133	;
	134
	135	/*
	136	* Type 0x0004: Unknown
	137	*/
	138	if (aim_gettlv(innerlist, 0x0004, 1))
	139	;
	140
	141	/*
	142	* Type 0x0002: Unknown
	143	*/
	144	if (aim_gettlv(innerlist, 0x0002, 1)) {
	145	unsigned short classperms;
	146
	147	classperms = aim_gettlv16(innerlist, 0x0002, 1);
	148
	149	faimdprintf(sess, 1, "faim: class permissions %x\n", classperms);
	150	}
	151
	152	/*
	153	* Type 0x00c9: Unknown
	154	*/
	155	if (aim_gettlv(innerlist, 0x00c9, 1))
	156	;
	157
	158	/*
	159	* Type 0x00ca: Creation Date
	160	*/
	161	if (aim_gettlv(innerlist, 0x00ca, 1))
162	;
163
164	/*
165	* Type 0x00d0: Mandatory Channels?
166	*/
167	if (aim_gettlv(innerlist, 0x00d0, 1))
168	;
169
170	/*
171	* Type 0x00d1: Maximum Message length
172	*/
173	if (aim_gettlv(innerlist, 0x00d1, 1))
174	;
175
176	/*
177	* Type 0x00d2: Maximum Occupancy?
178	*/
179	if (aim_gettlv(innerlist, 0x00d2, 1))
180	;
181
182	/*
183	* Type 0x00d3: Exchange Name
184	*/
185	if (aim_gettlv(innerlist, 0x00d3, 1))
186	exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1);
187	else
188	exchanges[curexchange-1].name = NULL;
189
190	/*
191	* Type 0x00d5: Creation Permissions
192	*
193	* 0 Creation not allowed
194	* 1 Room creation allowed
195	* 2 Exchange creation allowed
196	*
197	*/
198	if (aim_gettlv(innerlist, 0x00d5, 1)) {
199	unsigned char createperms;
200
201	createperms = aim_gettlv8(innerlist, 0x00d5, 1);
202	}
203
204	/*
205	* Type 0x00d6: Character Set (First Time)
206	*/
207	if (aim_gettlv(innerlist, 0x00d6, 1))
208	exchanges[curexchange-1].charset1 = aim_gettlv_str(innerlist, 0x00d6, 1);
209	else
210	exchanges[curexchange-1].charset1 = NULL;
211
212	/*
213	* Type 0x00d7: Language (First Time)
214	*/
215	if (aim_gettlv(innerlist, 0x00d7, 1))
216	exchanges[curexchange-1].lang1 = aim_gettlv_str(innerlist, 0x00d7, 1);
217	else
218	exchanges[curexchange-1].lang1 = NULL;
219
220	/*
221	* Type 0x00d8: Character Set (Second Time)
222	*/
223	if (aim_gettlv(innerlist, 0x00d8, 1))
224	exchanges[curexchange-1].charset2 = aim_gettlv_str(innerlist, 0x00d8, 1);
225	else
226	exchanges[curexchange-1].charset2 = NULL;
227
228	/*
229	* Type 0x00d9: Language (Second Time)
230	*/
231	if (aim_gettlv(innerlist, 0x00d9, 1))
232	exchanges[curexchange-1].lang2 = aim_gettlv_str(innerlist, 0x00d9, 1);
233	else
234	exchanges[curexchange-1].lang2 = NULL;
235
236	aim_freetlvchain(&innerlist);
237	}
238
239	/*
240	* Call client.
241	*/
242	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
243	ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges);
244	curexchange--;
245	while(curexchange >= 0) {
246	free(exchanges[curexchange].name);
247	free(exchanges[curexchange].charset1);
248	free(exchanges[curexchange].lang1);
249	free(exchanges[curexchange].charset2);
250	free(exchanges[curexchange].lang2);
251	curexchange--;
252	}
253	free(exchanges);
254	aim_freetlvchain(&tlvlist);
255
256	return ret;
257	}
258
259	static int parseinfo_create(struct aim_session_t sess, aim_module_t mod, struct command_rx_struct rx, aim_modsnac_t snac, unsigned char data, int datalen, struct aim_snac_t snac2)
260	{
e677fc43	261	aim_rxcallback_t userfunc;
00ef5271	262	struct aim_tlvlist_t tlvlist, innerlist;
	263	char ck = NULL, fqcn = NULL, *name = NULL;
	264	unsigned short exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
	265	unsigned long createtime = 0;
	266	unsigned char createperms = 0;
	267	int i = 0, cklen;
	268	struct aim_tlv_t *bigblock;
	269	int ret = 0;
	270
	271	if (!(tlvlist = aim_readtlvchain(data, datalen))) {
	272	faimdprintf(sess, 0, "unable to read top tlv in create room response\n");
	273	return 0;
	274	}
	275
	276	if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) {
	277	faimdprintf(sess, 0, "no bigblock in top tlv in create room response\n");
	278	aim_freetlvchain(&tlvlist);
	279	return 0;
	280	}
	281
	282	exchange = aimutil_get16(bigblock->value+i);
	283	i += 2;
	284
	285	cklen = aimutil_get8(bigblock->value+i);
	286	i++;
	287
	288	ck = malloc(cklen+1);
	289	memcpy(ck, bigblock->value+i, cklen);
	290	ck[cklen] = '\0';
	291	i += cklen;
	292
	293	instance = aimutil_get16(bigblock->value+i);
	294	i += 2;
	295
	296	if (aimutil_get8(bigblock->value+i) != 0x02) {
	297	faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", aimutil_get8(bigblock->value+i));
	298	aim_freetlvchain(&tlvlist);
	299	free(ck);
	300	return 0;
	301	}
	302	i += 1;
	303
	304	unknown = aimutil_get16(bigblock->value+i);
	305	i += 2;
	306
	307	if (!(innerlist = aim_readtlvchain(bigblock->value+i, bigblock->length-i))) {
	308	faimdprintf(sess, 0, "unable to read inner tlv chain in create room response\n");
	309	aim_freetlvchain(&tlvlist);
	310	free(ck);
	311	return 0;
	312	}
	313
	314	if (aim_gettlv(innerlist, 0x006a, 1))
	315	fqcn = aim_gettlv_str(innerlist, 0x006a, 1);
	316
	317	if (aim_gettlv(innerlist, 0x00c9, 1))
	318	flags = aim_gettlv16(innerlist, 0x00c9, 1);
	319
	320	if (aim_gettlv(innerlist, 0x00ca, 1))
	321	createtime = aim_gettlv32(innerlist, 0x00ca, 1);
	322
	323	if (aim_gettlv(innerlist, 0x00d1, 1))
	324	maxmsglen = aim_gettlv16(innerlist, 0x00d1, 1);
	325
326	if (aim_gettlv(innerlist, 0x00d2, 1))
327	maxoccupancy = aim_gettlv16(innerlist, 0x00d2, 1);
328
329	if (aim_gettlv(innerlist, 0x00d3, 1))
330	name = aim_gettlv_str(innerlist, 0x00d3, 1);
331
332	if (aim_gettlv(innerlist, 0x00d5, 1))
333	createperms = aim_gettlv8(innerlist, 0x00d5, 1);
334
335	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
336	ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck);
337
338	free(ck);
339	free(name);
340	free(fqcn);
341	aim_freetlvchain(&innerlist);
342	aim_freetlvchain(&tlvlist);
343
344	return ret;
345	}
346
347	/*
348	* Since multiple things can trigger this callback,
349	* we must lookup the snacid to determine the original
350	* snac subtype that was called.
351	*/
352	static int parseinfo(struct aim_session_t sess, aim_module_t mod, struct command_rx_struct rx, aim_modsnac_t snac, unsigned char *data, int datalen)
353	{
354	struct aim_snac_t *snac2;
355	int ret = 0;
356
357	if (!(snac2 = aim_remsnac(sess, snac->id))) {
358	faimdprintf(sess, 0, "faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snac->id);
359	return 0;
360	}
361
362	if (snac2->family != 0x000d) {
363	faimdprintf(sess, 0, "faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac2->family);
364	return 0;
365	}
366
367	/*
368	* We now know what the original SNAC subtype was.
369	*/
370	if (snac2->type == 0x0002) /* request chat rights */
371	ret = parseinfo_perms(sess, mod, rx, snac, data, datalen, snac2);
372	else if (snac2->type == 0x0003) /* request exchange info */
373	faimdprintf(sess, 0, "chatnav_parse_info: resposne to exchange info\n");
374	else if (snac2->type == 0x0004) /* request room info */
375	faimdprintf(sess, 0, "chatnav_parse_info: response to room info\n");
376	else if (snac2->type == 0x0005) /* request more room info */
377	faimdprintf(sess, 0, "chatnav_parse_info: response to more room info\n");
378	else if (snac2->type == 0x0006) /* request occupant list */
379	faimdprintf(sess, 0, "chatnav_parse_info: response to occupant info\n");
380	else if (snac2->type == 0x0007) /* search for a room */
381	faimdprintf(sess, 0, "chatnav_parse_info: search results\n");
382	else if (snac2->type == 0x0008) /* create room */
383	ret = parseinfo_create(sess, mod, rx, snac, data, datalen, snac2);
384	else
385	faimdprintf(sess, 0, "chatnav_parse_info: unknown request subtype (%04x)\n", snac2->type);
386
387	if (snac2)
388	free(snac2->data);
389	free(snac2);
390
391	return ret;
392	}
393
394	static int snachandler(struct aim_session_t sess, aim_module_t mod, struct command_rx_struct rx, aim_modsnac_t snac, unsigned char *data, int datalen)
395	{
396
397	if (snac->subtype == 0x0009)
398	return parseinfo(sess, mod, rx, snac, data, datalen);
399
400	return 0;
401	}
402
403	faim_internal int chatnav_modfirst(struct aim_session_t sess, aim_module_t mod)
404	{
405
406	mod->family = 0x000d;
407	mod->version = 0x0000;
408	mod->flags = 0;
409	strncpy(mod->name, "chatnav", sizeof(mod->name));
410	mod->snachandler = snachandler;
411
412	return 0;
413	}