[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)
{

  return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002);
}

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	{
0c20631f	19
79e0a001	20	return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002);
0c20631f	21	}
0c20631f	22
78b3fb13	23	faim_export unsigned long aim_chatnav_clientready(struct aim_session_t *sess,
78b3fb13	24	struct aim_conn_t *conn)
0c20631f	25	{
5b79dc93	26	struct command_tx_struct *newpacket;
0c20631f	27	int i;
0c20631f	28
646c6b52	29	if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 0x20)))
5b79dc93	30	return -1;
0c20631f	31
5b79dc93	32	newpacket->lock = 1;
0c20631f	33
5b79dc93	34	i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);
0c20631f	35
5b79dc93	36	i+= aimutil_put16(newpacket->data+i, 0x000d);
5b79dc93	37	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	38
5b79dc93	39	i+= aimutil_put16(newpacket->data+i, 0x0004);
5b79dc93	40	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	41
5b79dc93	42	i+= aimutil_put16(newpacket->data+i, 0x0001);
5b79dc93	43	i+= aimutil_put16(newpacket->data+i, 0x0003);
0c20631f	44
5b79dc93	45	i+= aimutil_put16(newpacket->data+i, 0x0004);
	46	i+= aimutil_put16(newpacket->data+i, 0x0686);
	47
	48	aim_tx_enqueue(sess, newpacket);
0c20631f	49
	50	return (sess->snac_nextid++);
	51	}
	52
78b3fb13	53	faim_export unsigned long aim_chatnav_createroom(struct aim_session_t *sess,
	54	struct aim_conn_t *conn,
	55	char *name,
	56	u_short exchange)
0c20631f	57	{
5b79dc93	58	struct command_tx_struct *newpacket;
0c20631f	59	int i;
0c20631f	60
646c6b52	61	if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+12+strlen("invite")+strlen(name))))
5b79dc93	62	return -1;
0c20631f	63
5b79dc93	64	newpacket->lock = 1;
0c20631f	65
5b79dc93	66	i = aim_putsnac(newpacket->data, 0x000d, 0x0008, 0x0000, sess->snac_nextid);
0c20631f	67
0c20631f	68	/* exchange */
5b79dc93	69	i+= aimutil_put16(newpacket->data+i, exchange);
0c20631f	70
0c20631f	71	/* room cookie */
5b79dc93	72	i+= aimutil_put8(newpacket->data+i, strlen("invite"));
5b79dc93	73	i+= aimutil_putstr(newpacket->data+i, "invite", strlen("invite"));
0c20631f	74
0c20631f	75	/* instance */
5b79dc93	76	i+= aimutil_put16(newpacket->data+i, 0xffff);
0c20631f	77
0c20631f	78	/* detail level */
5b79dc93	79	i+= aimutil_put8(newpacket->data+i, 0x01);
0c20631f	80
0c20631f	81	/* tlvcount */
5b79dc93	82	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	83
0c20631f	84	/* room name */
5b79dc93	85	i+= aim_puttlv_str(newpacket->data+i, 0x00d3, strlen(name), name);
0c20631f	86
1ea867e3	87	aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0);
0c20631f	88
5b79dc93	89	aim_tx_enqueue(sess, newpacket);
0c20631f	90
1ea867e3	91	return sess->snac_nextid;
0c20631f	92	}
00ef5271	93
	94	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)
	95	{
e677fc43	96	aim_rxcallback_t userfunc;
00ef5271	97	int ret = 0;
	98	struct aim_tlvlist_t *tlvlist;
	99	struct aim_chat_exchangeinfo *exchanges = NULL;
	100	int curexchange = 0;
	101	struct aim_tlv_t *exchangetlv;
	102	unsigned char maxrooms = 0;
	103	struct aim_tlvlist_t *innerlist;
	104
	105	tlvlist = aim_readtlvchain(data, datalen);
	106
	107	/*
	108	* Type 0x0002: Maximum concurrent rooms.
	109	*/
	110	if (aim_gettlv(tlvlist, 0x0002, 1))
	111	maxrooms = aim_gettlv8(tlvlist, 0x0002, 1);
	112
	113	/*
	114	* Type 0x0003: Exchange information
	115	*
	116	* There can be any number of these, each one
	117	* representing another exchange.
	118	*
	119	*/
	120	curexchange = 0;
	121	while ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))) {
	122	curexchange++;
	123	exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo));
	124	/* exchange number */
	125	exchanges[curexchange-1].number = aimutil_get16(exchangetlv->value);
	126	innerlist = aim_readtlvchain(exchangetlv->value+2, exchangetlv->length-2);
	127
	128	/*
	129	* Type 0x000d: Unknown.
	130	*/
	131	if (aim_gettlv(innerlist, 0x000d, 1))
	132	;
	133
	134	/*
	135	* Type 0x0004: Unknown
	136	*/
	137	if (aim_gettlv(innerlist, 0x0004, 1))
	138	;
	139
	140	/*
	141	* Type 0x0002: Unknown
	142	*/
	143	if (aim_gettlv(innerlist, 0x0002, 1)) {
	144	unsigned short classperms;
	145
	146	classperms = aim_gettlv16(innerlist, 0x0002, 1);
	147
	148	faimdprintf(sess, 1, "faim: class permissions %x\n", classperms);
	149	}
	150
	151	/*
	152	* Type 0x00c9: Unknown
	153	*/
	154	if (aim_gettlv(innerlist, 0x00c9, 1))
	155	;
	156
	157	/*
	158	* Type 0x00ca: Creation Date
	159	*/
	160	if (aim_gettlv(innerlist, 0x00ca, 1))
161	;
162
163	/*
164	* Type 0x00d0: Mandatory Channels?
165	*/
166	if (aim_gettlv(innerlist, 0x00d0, 1))
167	;
168
169	/*
170	* Type 0x00d1: Maximum Message length
171	*/
172	if (aim_gettlv(innerlist, 0x00d1, 1))
173	;
174
175	/*
176	* Type 0x00d2: Maximum Occupancy?
177	*/
178	if (aim_gettlv(innerlist, 0x00d2, 1))
179	;
180
181	/*
182	* Type 0x00d3: Exchange Name
183	*/
184	if (aim_gettlv(innerlist, 0x00d3, 1))
185	exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1);
186	else
187	exchanges[curexchange-1].name = NULL;
188
189	/*
190	* Type 0x00d5: Creation Permissions
191	*
192	* 0 Creation not allowed
193	* 1 Room creation allowed
194	* 2 Exchange creation allowed
195	*
196	*/
197	if (aim_gettlv(innerlist, 0x00d5, 1)) {
198	unsigned char createperms;
199
200	createperms = aim_gettlv8(innerlist, 0x00d5, 1);
201	}
202
203	/*
204	* Type 0x00d6: Character Set (First Time)
205	*/
206	if (aim_gettlv(innerlist, 0x00d6, 1))
207	exchanges[curexchange-1].charset1 = aim_gettlv_str(innerlist, 0x00d6, 1);
208	else
209	exchanges[curexchange-1].charset1 = NULL;
210
211	/*
212	* Type 0x00d7: Language (First Time)
213	*/
214	if (aim_gettlv(innerlist, 0x00d7, 1))
215	exchanges[curexchange-1].lang1 = aim_gettlv_str(innerlist, 0x00d7, 1);
216	else
217	exchanges[curexchange-1].lang1 = NULL;
218
219	/*
220	* Type 0x00d8: Character Set (Second Time)
221	*/
222	if (aim_gettlv(innerlist, 0x00d8, 1))
223	exchanges[curexchange-1].charset2 = aim_gettlv_str(innerlist, 0x00d8, 1);
224	else
225	exchanges[curexchange-1].charset2 = NULL;
226
227	/*
228	* Type 0x00d9: Language (Second Time)
229	*/
230	if (aim_gettlv(innerlist, 0x00d9, 1))
231	exchanges[curexchange-1].lang2 = aim_gettlv_str(innerlist, 0x00d9, 1);
232	else
233	exchanges[curexchange-1].lang2 = NULL;
234
235	aim_freetlvchain(&innerlist);
236	}
237
238	/*
239	* Call client.
240	*/
241	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
242	ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges);
243	curexchange--;
244	while(curexchange >= 0) {
245	free(exchanges[curexchange].name);
246	free(exchanges[curexchange].charset1);
247	free(exchanges[curexchange].lang1);
248	free(exchanges[curexchange].charset2);
249	free(exchanges[curexchange].lang2);
250	curexchange--;
251	}
252	free(exchanges);
253	aim_freetlvchain(&tlvlist);
254
255	return ret;
256	}
257
258	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)
259	{
e677fc43	260	aim_rxcallback_t userfunc;
00ef5271	261	struct aim_tlvlist_t tlvlist, innerlist;
	262	char ck = NULL, fqcn = NULL, *name = NULL;
	263	unsigned short exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
	264	unsigned long createtime = 0;
	265	unsigned char createperms = 0;
	266	int i = 0, cklen;
	267	struct aim_tlv_t *bigblock;
	268	int ret = 0;
	269
	270	if (!(tlvlist = aim_readtlvchain(data, datalen))) {
	271	faimdprintf(sess, 0, "unable to read top tlv in create room response\n");
	272	return 0;
	273	}
	274
	275	if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) {
	276	faimdprintf(sess, 0, "no bigblock in top tlv in create room response\n");
	277	aim_freetlvchain(&tlvlist);
	278	return 0;
	279	}
	280
	281	exchange = aimutil_get16(bigblock->value+i);
	282	i += 2;
	283
	284	cklen = aimutil_get8(bigblock->value+i);
	285	i++;
	286
	287	ck = malloc(cklen+1);
	288	memcpy(ck, bigblock->value+i, cklen);
	289	ck[cklen] = '\0';
	290	i += cklen;
	291
	292	instance = aimutil_get16(bigblock->value+i);
	293	i += 2;
	294
	295	if (aimutil_get8(bigblock->value+i) != 0x02) {
	296	faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", aimutil_get8(bigblock->value+i));
	297	aim_freetlvchain(&tlvlist);
	298	free(ck);
	299	return 0;
	300	}
	301	i += 1;
	302
	303	unknown = aimutil_get16(bigblock->value+i);
	304	i += 2;
	305
	306	if (!(innerlist = aim_readtlvchain(bigblock->value+i, bigblock->length-i))) {
	307	faimdprintf(sess, 0, "unable to read inner tlv chain in create room response\n");
	308	aim_freetlvchain(&tlvlist);
	309	free(ck);
	310	return 0;
	311	}
	312
	313	if (aim_gettlv(innerlist, 0x006a, 1))
	314	fqcn = aim_gettlv_str(innerlist, 0x006a, 1);
	315
	316	if (aim_gettlv(innerlist, 0x00c9, 1))
	317	flags = aim_gettlv16(innerlist, 0x00c9, 1);
	318
	319	if (aim_gettlv(innerlist, 0x00ca, 1))
	320	createtime = aim_gettlv32(innerlist, 0x00ca, 1);
	321
	322	if (aim_gettlv(innerlist, 0x00d1, 1))
	323	maxmsglen = aim_gettlv16(innerlist, 0x00d1, 1);
	324
325	if (aim_gettlv(innerlist, 0x00d2, 1))
326	maxoccupancy = aim_gettlv16(innerlist, 0x00d2, 1);
327
328	if (aim_gettlv(innerlist, 0x00d3, 1))
329	name = aim_gettlv_str(innerlist, 0x00d3, 1);
330
331	if (aim_gettlv(innerlist, 0x00d5, 1))
332	createperms = aim_gettlv8(innerlist, 0x00d5, 1);
333
334	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
335	ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck);
336
337	free(ck);
338	free(name);
339	free(fqcn);
340	aim_freetlvchain(&innerlist);
341	aim_freetlvchain(&tlvlist);
342
343	return ret;
344	}
345
346	/*
347	* Since multiple things can trigger this callback,
348	* we must lookup the snacid to determine the original
349	* snac subtype that was called.
350	*/
351	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)
352	{
353	struct aim_snac_t *snac2;
354	int ret = 0;
355
356	if (!(snac2 = aim_remsnac(sess, snac->id))) {
357	faimdprintf(sess, 0, "faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snac->id);
358	return 0;
359	}
360
361	if (snac2->family != 0x000d) {
362	faimdprintf(sess, 0, "faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac2->family);
363	return 0;
364	}
365
366	/*
367	* We now know what the original SNAC subtype was.
368	*/
369	if (snac2->type == 0x0002) /* request chat rights */
370	ret = parseinfo_perms(sess, mod, rx, snac, data, datalen, snac2);
371	else if (snac2->type == 0x0003) /* request exchange info */
372	faimdprintf(sess, 0, "chatnav_parse_info: resposne to exchange info\n");
373	else if (snac2->type == 0x0004) /* request room info */
374	faimdprintf(sess, 0, "chatnav_parse_info: response to room info\n");
375	else if (snac2->type == 0x0005) /* request more room info */
376	faimdprintf(sess, 0, "chatnav_parse_info: response to more room info\n");
377	else if (snac2->type == 0x0006) /* request occupant list */
378	faimdprintf(sess, 0, "chatnav_parse_info: response to occupant info\n");
379	else if (snac2->type == 0x0007) /* search for a room */
380	faimdprintf(sess, 0, "chatnav_parse_info: search results\n");
381	else if (snac2->type == 0x0008) /* create room */
382	ret = parseinfo_create(sess, mod, rx, snac, data, datalen, snac2);
383	else
384	faimdprintf(sess, 0, "chatnav_parse_info: unknown request subtype (%04x)\n", snac2->type);
385
386	if (snac2)
387	free(snac2->data);
388	free(snac2);
389
390	return ret;
391	}
392
393	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)
394	{
395
396	if (snac->subtype == 0x0009)
397	return parseinfo(sess, mod, rx, snac, data, datalen);
398
399	return 0;
400	}
401
402	faim_internal int chatnav_modfirst(struct aim_session_t sess, aim_module_t mod)
403	{
404
405	mod->family = 0x000d;
406	mod->version = 0x0000;
407	mod->flags = 0;
408	strncpy(mod->name, "chatnav", sizeof(mod->name));
409	mod->snachandler = snachandler;
410
411	return 0;
412	}