[libfaim.git] / aim_chat.c

/*
 * aim_chat.c
 *
 * Routines for the Chat service.
 *
 */

#include <faim/aim.h> 

faim_export char *aim_chat_getname(struct aim_conn_t *conn)
{
  if (!conn)
    return NULL;
  if (conn->type != AIM_CONN_TYPE_CHAT)
    return NULL;

  return (char *)conn->priv; /* yuck ! */
}

faim_export struct aim_conn_t *aim_chat_getconn(struct aim_session_t *sess, char *name)
{
  struct aim_conn_t *cur;
  
  faim_mutex_lock(&sess->connlistlock);
  for (cur = sess->connlist; cur; cur = cur->next) {
    if (cur->type != AIM_CONN_TYPE_CHAT)
      continue;
    if (!cur->priv) {
      printf("faim: chat: chat connection with no name! (fd = %d)\n", cur->fd);
      continue;
    }
    if (strcmp((char *)cur->priv, name) == 0)
      break;
  }
  faim_mutex_unlock(&sess->connlistlock);

  return cur;
}

faim_export int aim_chat_attachname(struct aim_conn_t *conn, char *roomname)
{
  if (!conn || !roomname)
    return -1;

  if (conn->priv)
    free(conn->priv);

  conn->priv = strdup(roomname);

  return 0;
}

faim_export unsigned long aim_chat_send_im(struct aim_session_t *sess,
					   struct aim_conn_t *conn, 
					   char *msg)
{   

  int curbyte,i;
  struct command_tx_struct *newpacket;

  if (!sess || !conn || !msg)
    return 0;
  
  if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152)))
    return -1;

  newpacket->lock = 1; /* lock struct */

  curbyte  = 0;
  curbyte += aim_putsnac(newpacket->data+curbyte, 
			 0x000e, 0x0005, 0x0000, sess->snac_nextid);

  /* 
   * Generate a random message cookie 
   */
  for (i=0;i<8;i++)
    curbyte += aimutil_put8(newpacket->data+curbyte, (u_char) rand());

  aim_cachecookie(sess, aim_mkcookie(newpacket->data+curbyte-8, AIM_COOKIETYPE_CHAT, NULL));

  /*
   * metaTLV start.  -- i assume this is a metaTLV.  it could be the
   *                    channel ID though.
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);

  /*
   * Type 1: Unknown.  Blank.
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
  
  /*
   * Type 6: Unknown.  Blank.
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0006);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);

  /*
   * Type 5: Message block.  Contains more TLVs.
   *
   * This could include other information... We just
   * put in a message TLV however.  
   * 
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
  curbyte += aimutil_put16(newpacket->data+curbyte, strlen(msg)+4);

  /*
   * SubTLV: Type 1: Message
   */
  curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(msg), msg);
  
  newpacket->commandlen = curbyte;

  newpacket->lock = 0;
  aim_tx_enqueue(sess, newpacket);

  return (sess->snac_nextid++);
}

/*
 * Join a room of name roomname.  This is the first
 * step to joining an already created room.  It's 
 * basically a Service Request for family 0x000e, 
 * with a little added on to specify the exchange
 * and room name.
 *
 */
faim_export unsigned long aim_chat_join(struct aim_session_t *sess,
					struct aim_conn_t *conn, 
					u_short exchange,
					const char *roomname)
{
  struct command_tx_struct *newpacket;
  int i;

  if (!sess || !conn || !roomname)
    return 0;
  
  if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+9+strlen(roomname)+2)))
    return -1;

  newpacket->lock = 1;
  
  i = aim_putsnac(newpacket->data, 0x0001, 0x0004, 0x0000, sess->snac_nextid);

  i+= aimutil_put16(newpacket->data+i, 0x000e);

  /* 
   * this is techinally a TLV, but we can't use normal functions
   * because we need the extraneous nulls and other weird things.
   */
  i+= aimutil_put16(newpacket->data+i, 0x0001);
  i+= aimutil_put16(newpacket->data+i, 2+1+strlen(roomname)+2);
  i+= aimutil_put16(newpacket->data+i, exchange);
  i+= aimutil_put8(newpacket->data+i, strlen(roomname));
  memcpy(newpacket->data+i, roomname, strlen(roomname));
  i+= strlen(roomname);
  //i+= aimutil_putstr(newpacket->data+i, roomname, strlen(roomname));
  i+= aimutil_put16(newpacket->data+i, 0x0000);

  /*
   * Chat hack.
   *
   * XXX: A problem occurs here if we request a channel
   *      join but it fails....pendingjoin will be nonnull
   *      even though the channel is never going to get a
   *      redirect!
   *
   */
  sess->pendingjoin = (char *)malloc(strlen(roomname)+1);
  strcpy(sess->pendingjoin, roomname);

  newpacket->lock = 0;
  aim_tx_enqueue(sess, newpacket);

#if 0
  {
    struct aim_snac_t snac;
    
    snac.id = sess->snac_nextid;
    snac.family = 0x0001;
    snac.type = 0x0004;
    snac.flags = 0x0000;

    snac.data = malloc(strlen(roomname)+1);
    strcpy(snac.data, roomname);

    aim_newsnac(sess, &snac);
  }

#endif
  return (sess->snac_nextid++);
}

faim_internal int aim_chat_readroominfo(u_char *buf, struct aim_chat_roominfo *outinfo)
{
  int namelen = 0;
  int i = 0;

  if (!buf || !outinfo)
    return 0;

  outinfo->exchange = aimutil_get16(buf+i);
  i += 2;

  namelen = aimutil_get8(buf+i);
  i += 1;

  outinfo->name = (char *)malloc(namelen+1);
  memcpy(outinfo->name, buf+i, namelen);
  outinfo->name[namelen] = '\0';
  i += namelen;

  outinfo->instance = aimutil_get16(buf+i);
  i += 2;
  
  return i;
}


/*
 * 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
 */
faim_internal int aim_chat_parse_infoupdate(struct aim_session_t *sess,
					    struct command_rx_struct *command)
{
  struct aim_userinfo_s *userinfo = NULL;
  rxcallback_t userfunc=NULL;	
  int ret = 1, i = 0;
  int usercount = 0;
  u_char detaillevel = 0;
  char *roomname = NULL;
  struct aim_chat_roominfo roominfo;
  u_short tlvcount = 0;
  struct aim_tlvlist_t *tlvlist;
  char *roomdesc = NULL;
  struct aim_tlv_t *tmptlv;
  unsigned short unknown_c9 = 0;
  unsigned long creationtime = 0;
  unsigned short maxmsglen = 0;
  unsigned short unknown_d2 = 0, unknown_d5 = 0;

  i = 10;
  i += aim_chat_readroominfo(command->data+i, &roominfo);
  
  detaillevel = aimutil_get8(command->data+i);
  i++;

  if (detaillevel != 0x02) {
    if (detaillevel == 0x01)
      printf("faim: chat_roomupdateinfo: detail level 1 not supported\n");
    else
      printf("faim: chat_roomupdateinfo: unknown detail level %d\n", detaillevel);
    return 1;
  }
  
  tlvcount = aimutil_get16(command->data+i);
  i += 2;

  /*
   * Everything else are TLVs.
   */ 
  tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i);
  
  /*
   * 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)) {
    struct aim_tlv_t *tmptlv;
    tmptlv = aim_gettlv(tlvlist, 0x006f, 1);
    
    usercount = aimutil_get16(tmptlv->value);
  }

  /*
   * Type 0x0073:  Occupant list.
   */
  if (aim_gettlv(tlvlist, 0x0073, 1)) {	
    int curoccupant = 0;
    struct aim_tlv_t *tmptlv;
    
    tmptlv = aim_gettlv(tlvlist, 0x0073, 1);

    /* Allocate enough userinfo structs for all occupants */
    userinfo = calloc(usercount, sizeof(struct aim_userinfo_s));
    
    i = 0;
    while (curoccupant < usercount)
      i += aim_extractuserinfo(tmptlv->value+i, &userinfo[curoccupant++]);
  }
  
  /* 
   * Type 0x00c9: Unknown. (2 bytes)
   */
  if ((tmptlv = aim_gettlv(tlvlist, 0x00c9, 1)))
    unknown_c9 = aimutil_get16(tmptlv->value);
  
  /* 
   * Type 0x00ca: Creation time (4 bytes)
   */
  if ((tmptlv = aim_gettlv(tlvlist, 0x00ca, 1)))
    creationtime = aimutil_get32(tmptlv->value);

  /* 
   * Type 0x00d1: Maximum Message Length
   */
  if ((tmptlv = aim_gettlv(tlvlist, 0x00d1, 1)))
    maxmsglen = aimutil_get16(tmptlv->value);

  /* 
   * Type 0x00d2: Unknown. (2 bytes)
   */
  if ((tmptlv = aim_gettlv(tlvlist, 0x00d2, 1)))
    unknown_d2 = aimutil_get16(tmptlv->value);;

  /* 
   * Type 0x00d3: Room Description
   */
  if (aim_gettlv(tlvlist, 0x00d3, 1))
    roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1);

  /* 
   * Type 0x00d5: Unknown. (1 byte)
   */
  if ((tmptlv = aim_gettlv(tlvlist, 0x00d5, 1)))
    unknown_d5 = aimutil_get8(tmptlv->value);;


  userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_ROOMINFOUPDATE);
  if (userfunc) {
    ret = userfunc(sess,
		   command, 
		   &roominfo,
		   roomname,
		   usercount,
		   userinfo,	
		   roomdesc,
		   unknown_c9,
		   creationtime,
		   maxmsglen,
		   unknown_d2,
		   unknown_d5);
  }	
  free(roominfo.name);
  free(userinfo);
  free(roomname);
  free(roomdesc);
  aim_freetlvchain(&tlvlist);
 
  return ret;
}

faim_internal int aim_chat_parse_joined(struct aim_session_t *sess,
					struct command_rx_struct *command)
{
  struct aim_userinfo_s *userinfo = NULL;
  rxcallback_t userfunc=NULL;	
  int i = 10, curcount = 0, ret = 1;

  while (i < command->commandlen) {
    curcount++;
    userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
    i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
  }

  userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERJOIN);
  if (userfunc) {	
    ret = userfunc(sess,
		   command, 
		   curcount,
		   userinfo);
  }

  free(userinfo);

  return ret;
}	      

faim_internal int aim_chat_parse_leave(struct aim_session_t *sess,
				       struct command_rx_struct *command)
{

  struct aim_userinfo_s *userinfo = NULL;
  rxcallback_t userfunc=NULL;	
  int i = 10, curcount = 0, ret = 1;

  while (i < command->commandlen) {
    curcount++;
    userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
    i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
  }

  userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERLEAVE);
  if (userfunc) {
    ret = userfunc(sess,
		   command, 
		   curcount,
		   userinfo);
  }

  free(userinfo);

  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.
 */
faim_internal int aim_chat_parse_incoming(struct aim_session_t *sess,
					  struct command_rx_struct *command)
{
  struct aim_userinfo_s userinfo;
  rxcallback_t userfunc=NULL;	
  int ret = 1, i = 0, z = 0;
  unsigned char cookie[8];
  int channel;
  struct aim_tlvlist_t *outerlist;
  char *msg = NULL;
  struct aim_msgcookie_t *ck;

  memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));

  i = 10; /* skip snac */

  /*
   * ICBM Cookie.  Cache it.
   */ 
  for (z=0; z<8; z++,i++)
    cookie[z] = command->data[i];

  if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) {
    if (ck->data)
      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 = aimutil_get16(command->data+i);
  i += 2;

  if (channel != 0x0003) {
    printf("faim: chat_incoming: unknown channel! (0x%04x)\n", channel);
    return 1;
  }

  /*
   * Start parsing TLVs right away. 
   */
  outerlist = aim_readtlvchain(command->data+i, command->commandlen-i);
  
  /*
   * Type 0x0003: Source User Information
   */
  if (aim_gettlv(outerlist, 0x0003, 1)) {
    struct aim_tlv_t *userinfotlv;
    
    userinfotlv = aim_gettlv(outerlist, 0x0003, 1);
    aim_extractuserinfo(userinfotlv->value, &userinfo);
  }

  /*
   * Type 0x0001: Unknown.
   */
  if (aim_gettlv(outerlist, 0x0001, 1))
    ;

  /*
   * Type 0x0005: Message Block.  Conains more TLVs.
   */
  if (aim_gettlv(outerlist, 0x0005, 1))
    {
      struct aim_tlvlist_t *innerlist;
      struct aim_tlv_t *msgblock;

      msgblock = aim_gettlv(outerlist, 0x0005, 1);
      innerlist = aim_readtlvchain(msgblock->value, msgblock->length);
      
      /* 
       * Type 0x0001: Message.
       */	
      if (aim_gettlv(innerlist, 0x0001, 1))
	  msg = aim_gettlv_str(innerlist, 0x0001, 1);

      aim_freetlvchain(&innerlist); 
    }

  userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_INCOMINGMSG);
  if (userfunc)
    {
      ret = userfunc(sess,
		     command, 
		     &userinfo,
		     msg);
    }
  free(msg);
  aim_freetlvchain(&outerlist);

  return ret;
}	      

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

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

  newpacket->lock = 1;

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

  i+= aimutil_put16(newpacket->data+i, 0x000e);
  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);

  newpacket->lock = 0;
  aim_tx_enqueue(sess, newpacket);

  return (sess->snac_nextid++);
}

faim_export int aim_chat_leaveroom(struct aim_session_t *sess, char *name)
{
  struct aim_conn_t *conn;

  if ((conn = aim_chat_getconn(sess, name)))
    aim_conn_close(conn);

  if (!conn)
    return -1;
  return 0;
}

/*
 * conn must be a BOS connection!
 */
faim_export unsigned long aim_chat_invite(struct aim_session_t *sess,
					  struct aim_conn_t *conn,
					  char *sn,
					  char *msg,
					  u_short exchange,
					  char *roomname,
					  u_short instance)
{
  struct command_tx_struct *newpacket;
  int i,curbyte=0;

  if (!sess || !conn || !sn || !msg || !roomname)
    return -1;

  if (conn->type != AIM_CONN_TYPE_BOS)
    return -1;

  if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152+strlen(sn)+strlen(roomname)+strlen(msg))))
    return -1;

  newpacket->lock = 1;

  curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid);

  /*
   * Cookie
   */
  for (i=0;i<8;i++)
    curbyte += aimutil_put8(newpacket->data+curbyte, (u_char)rand());

  /* XXX this should get uncached by the unwritten 'invite accept' handler */
  aim_cachecookie(sess, aim_mkcookie(newpacket->data+curbyte-8, AIM_COOKIETYPE_CHAT, NULL));

  /*
   * Channel (2)
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);

  /*
   * Dest sn
   */
  curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn));
  curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn));

  /*
   * TLV t(0005)
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x28+strlen(msg)+0x04+0x03+strlen(roomname)+0x02);
  
  /* 
   * Unknown info
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x3131);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x3538);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x3446);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x4100);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x748f);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x2420);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x6287);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x11d1);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x8222);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x4445);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x5354);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
  
  /*
   * TLV t(000a) -- Unknown
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
  
  /*
   * TLV t(000f) -- Unknown
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
  
  /*
   * TLV t(000c) -- Invitation message
   */
  curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000c, strlen(msg), msg);

  /*
   * TLV t(2711) -- Container for room information 
   */
  curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711);
  curbyte += aimutil_put16(newpacket->data+curbyte, 3+strlen(roomname)+2);
  curbyte += aimutil_put16(newpacket->data+curbyte, exchange);
  curbyte += aimutil_put8(newpacket->data+curbyte, strlen(roomname));
  curbyte += aimutil_putstr(newpacket->data+curbyte, roomname, strlen(roomname));
  curbyte += aimutil_put16(newpacket->data+curbyte, instance);

  newpacket->commandlen = curbyte;
  newpacket->lock = 0;
  aim_tx_enqueue(sess, newpacket);

  return (sess->snac_nextid++);
}
Commit	Line	Data
9de3ca7e	1	/*
	2	* aim_chat.c
	3	*
aa6efcfd	4	* Routines for the Chat service.
9de3ca7e	5	*
	6	*/
	7
a25832e6	8	#include <faim/aim.h>
9de3ca7e	9
78b3fb13	10	faim_export char aim_chat_getname(struct aim_conn_t conn)
0c20631f	11	{
	12	if (!conn)
	13	return NULL;
	14	if (conn->type != AIM_CONN_TYPE_CHAT)
	15	return NULL;
	16
	17	return (char )conn->priv; / yuck ! */
	18	}
	19
78b3fb13	20	faim_export struct aim_conn_t aim_chat_getconn(struct aim_session_t sess, char *name)
0c20631f	21	{
040457cc	22	struct aim_conn_t *cur;
	23
	24	faim_mutex_lock(&sess->connlistlock);
	25	for (cur = sess->connlist; cur; cur = cur->next) {
	26	if (cur->type != AIM_CONN_TYPE_CHAT)
	27	continue;
9d2a3582	28	if (!cur->priv) {
	29	printf("faim: chat: chat connection with no name! (fd = %d)\n", cur->fd);
	30	continue;
	31	}
040457cc	32	if (strcmp((char *)cur->priv, name) == 0)
	33	break;
	34	}
	35	faim_mutex_unlock(&sess->connlistlock);
0c20631f	36
040457cc	37	return cur;
0c20631f	38	}
0c20631f	39
78b3fb13	40	faim_export int aim_chat_attachname(struct aim_conn_t conn, char roomname)
0c20631f	41	{
	42	if (!conn \|\| !roomname)
	43	return -1;
	44
9d2a3582	45	if (conn->priv)
	46	free(conn->priv);
	47
	48	conn->priv = strdup(roomname);
0c20631f	49
	50	return 0;
	51	}
	52
78b3fb13	53	faim_export unsigned long aim_chat_send_im(struct aim_session_t *sess,
	54	struct aim_conn_t *conn,
	55	char *msg)
0c20631f	56	{
	57
	58	int curbyte,i;
5b79dc93	59	struct command_tx_struct *newpacket;
0c20631f	60
	61	if (!sess \|\| !conn \|\| !msg)
	62	return 0;
	63
b69540e3	64	if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152)))
5b79dc93	65	return -1;
0c20631f	66
5b79dc93	67	newpacket->lock = 1; /* lock struct */
0c20631f	68
0c20631f	69	curbyte = 0;
5b79dc93	70	curbyte += aim_putsnac(newpacket->data+curbyte,
0c20631f	71	0x000e, 0x0005, 0x0000, sess->snac_nextid);
	72
	73	/*
	74	* Generate a random message cookie
0c20631f	75	*/
0c20631f	76	for (i=0;i<8;i++)
5ac21963	77	curbyte += aimutil_put8(newpacket->data+curbyte, (u_char) rand());
0c20631f	78
7392c79f	79	aim_cachecookie(sess, aim_mkcookie(newpacket->data+curbyte-8, AIM_COOKIETYPE_CHAT, NULL));
7392c79f	80
0c20631f	81	/*
	82	* metaTLV start. -- i assume this is a metaTLV. it could be the
	83	* channel ID though.
	84	*/
5b79dc93	85	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
0c20631f	86
	87	/*
	88	* Type 1: Unknown. Blank.
	89	*/
5b79dc93	90	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
5b79dc93	91	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
0c20631f	92
	93	/*
	94	* Type 6: Unknown. Blank.
	95	*/
5b79dc93	96	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0006);
5b79dc93	97	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
0c20631f	98
	99	/*
	100	* Type 5: Message block. Contains more TLVs.
	101	*
	102	* This could include other information... We just
	103	* put in a message TLV however.
	104	*
	105	*/
5b79dc93	106	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
5b79dc93	107	curbyte += aimutil_put16(newpacket->data+curbyte, strlen(msg)+4);
0c20631f	108
	109	/*
	110	* SubTLV: Type 1: Message
	111	*/
5b79dc93	112	curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(msg), msg);
0c20631f	113
5b79dc93	114	newpacket->commandlen = curbyte;
0c20631f	115
5b79dc93	116	newpacket->lock = 0;
5b79dc93	117	aim_tx_enqueue(sess, newpacket);
0c20631f	118
	119	return (sess->snac_nextid++);
	120	}
	121
9de3ca7e	122	/*
0c20631f	123	* Join a room of name roomname. This is the first
	124	* step to joining an already created room. It's
	125	* basically a Service Request for family 0x000e,
	126	* with a little added on to specify the exchange
	127	* and room name.
9de3ca7e	128	*
9de3ca7e	129	*/
78b3fb13	130	faim_export unsigned long aim_chat_join(struct aim_session_t *sess,
	131	struct aim_conn_t *conn,
	132	u_short exchange,
	133	const char *roomname)
9de3ca7e	134	{
5b79dc93	135	struct command_tx_struct *newpacket;
0c20631f	136	int i;
	137
	138	if (!sess \|\| !conn \|\| !roomname)
	139	return 0;
9de3ca7e	140
b69540e3	141	if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+9+strlen(roomname)+2)))
5b79dc93	142	return -1;
a25832e6	143
5b79dc93	144	newpacket->lock = 1;
9de3ca7e	145
5b79dc93	146	i = aim_putsnac(newpacket->data, 0x0001, 0x0004, 0x0000, sess->snac_nextid);
9de3ca7e	147
5b79dc93	148	i+= aimutil_put16(newpacket->data+i, 0x000e);
0c20631f	149
	150	/*
	151	* this is techinally a TLV, but we can't use normal functions
	152	* because we need the extraneous nulls and other weird things.
	153	*/
5b79dc93	154	i+= aimutil_put16(newpacket->data+i, 0x0001);
	155	i+= aimutil_put16(newpacket->data+i, 2+1+strlen(roomname)+2);
	156	i+= aimutil_put16(newpacket->data+i, exchange);
	157	i+= aimutil_put8(newpacket->data+i, strlen(roomname));
	158	memcpy(newpacket->data+i, roomname, strlen(roomname));
0c20631f	159	i+= strlen(roomname);
5b79dc93	160	//i+= aimutil_putstr(newpacket->data+i, roomname, strlen(roomname));
5b79dc93	161	i+= aimutil_put16(newpacket->data+i, 0x0000);
9de3ca7e	162
0c20631f	163	/*
	164	* Chat hack.
	165	*
	166	* XXX: A problem occurs here if we request a channel
	167	* join but it fails....pendingjoin will be nonnull
	168	* even though the channel is never going to get a
	169	* redirect!
	170	*
	171	*/
	172	sess->pendingjoin = (char *)malloc(strlen(roomname)+1);
	173	strcpy(sess->pendingjoin, roomname);
	174
5b79dc93	175	newpacket->lock = 0;
5b79dc93	176	aim_tx_enqueue(sess, newpacket);
9de3ca7e	177
0c20631f	178	#if 0
9de3ca7e	179	{
	180	struct aim_snac_t snac;
	181
a25832e6	182	snac.id = sess->snac_nextid;
9de3ca7e	183	snac.family = 0x0001;
	184	snac.type = 0x0004;
	185	snac.flags = 0x0000;
	186
0c20631f	187	snac.data = malloc(strlen(roomname)+1);
0c20631f	188	strcpy(snac.data, roomname);
9de3ca7e	189
a25832e6	190	aim_newsnac(sess, &snac);
9de3ca7e	191	}
9de3ca7e	192
0c20631f	193	#endif
	194	return (sess->snac_nextid++);
	195	}
	196
78b3fb13	197	faim_internal int aim_chat_readroominfo(u_char buf, struct aim_chat_roominfo outinfo)
0c20631f	198	{
	199	int namelen = 0;
	200	int i = 0;
	201
	202	if (!buf \|\| !outinfo)
	203	return 0;
	204
	205	outinfo->exchange = aimutil_get16(buf+i);
	206	i += 2;
	207
	208	namelen = aimutil_get8(buf+i);
	209	i += 1;
	210
	211	outinfo->name = (char *)malloc(namelen+1);
	212	memcpy(outinfo->name, buf+i, namelen);
	213	outinfo->name[namelen] = '\0';
	214	i += namelen;
	215
	216	outinfo->instance = aimutil_get16(buf+i);
	217	i += 2;
	218
	219	return i;
78b3fb13	220	}
0c20631f	221
	222
	223	/*
	224	* General room information. Lots of stuff.
	225	*
	226	* Values I know are in here but I havent attached
	227	* them to any of the 'Unknown's:
	228	* - Language (English)
	229	*
aa6efcfd	230	* SNAC 000e/0002
0c20631f	231	*/
78b3fb13	232	faim_internal int aim_chat_parse_infoupdate(struct aim_session_t *sess,
78b3fb13	233	struct command_rx_struct *command)
0c20631f	234	{
f1a5efe0	235	struct aim_userinfo_s *userinfo = NULL;
0c20631f	236	rxcallback_t userfunc=NULL;
	237	int ret = 1, i = 0;
	238	int usercount = 0;
	239	u_char detaillevel = 0;
f1a5efe0	240	char *roomname = NULL;
0c20631f	241	struct aim_chat_roominfo roominfo;
	242	u_short tlvcount = 0;
	243	struct aim_tlvlist_t *tlvlist;
f1a5efe0	244	char *roomdesc = NULL;
aa6efcfd	245	struct aim_tlv_t *tmptlv;
	246	unsigned short unknown_c9 = 0;
	247	unsigned long creationtime = 0;
	248	unsigned short maxmsglen = 0;
	249	unsigned short unknown_d2 = 0, unknown_d5 = 0;
0c20631f	250
	251	i = 10;
	252	i += aim_chat_readroominfo(command->data+i, &roominfo);
	253
	254	detaillevel = aimutil_get8(command->data+i);
	255	i++;
aa6efcfd	256
	257	if (detaillevel != 0x02) {
	258	if (detaillevel == 0x01)
313a06b7	259	printf("faim: chat_roomupdateinfo: detail level 1 not supported\n");
aa6efcfd	260	else
	261	printf("faim: chat_roomupdateinfo: unknown detail level %d\n", detaillevel);
	262	return 1;
	263	}
0c20631f	264
	265	tlvcount = aimutil_get16(command->data+i);
	266	i += 2;
	267
	268	/*
	269	* Everything else are TLVs.
	270	*/
	271	tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i);
	272
	273	/*
	274	* TLV type 0x006a is the room name in Human Readable Form.
	275	*/
	276	if (aim_gettlv(tlvlist, 0x006a, 1))
	277	roomname = aim_gettlv_str(tlvlist, 0x006a, 1);
	278
	279	/*
	280	* Type 0x006f: Number of occupants.
	281	*/
aa6efcfd	282	if (aim_gettlv(tlvlist, 0x006f, 1)) {
	283	struct aim_tlv_t *tmptlv;
	284	tmptlv = aim_gettlv(tlvlist, 0x006f, 1);
	285
	286	usercount = aimutil_get16(tmptlv->value);
	287	}
0c20631f	288
	289	/*
	290	* Type 0x0073: Occupant list.
	291	*/
aa6efcfd	292	if (aim_gettlv(tlvlist, 0x0073, 1)) {
	293	int curoccupant = 0;
	294	struct aim_tlv_t *tmptlv;
	295
	296	tmptlv = aim_gettlv(tlvlist, 0x0073, 1);
0c20631f	297
aa6efcfd	298	/* Allocate enough userinfo structs for all occupants */
	299	userinfo = calloc(usercount, sizeof(struct aim_userinfo_s));
	300
	301	i = 0;
	302	while (curoccupant < usercount)
	303	i += aim_extractuserinfo(tmptlv->value+i, &userinfo[curoccupant++]);
	304	}
0c20631f	305
0c20631f	306	/*
aa6efcfd	307	* Type 0x00c9: Unknown. (2 bytes)
0c20631f	308	*/
aa6efcfd	309	if ((tmptlv = aim_gettlv(tlvlist, 0x00c9, 1)))
aa6efcfd	310	unknown_c9 = aimutil_get16(tmptlv->value);
0c20631f	311
0c20631f	312	/*
aa6efcfd	313	* Type 0x00ca: Creation time (4 bytes)
0c20631f	314	*/
aa6efcfd	315	if ((tmptlv = aim_gettlv(tlvlist, 0x00ca, 1)))
aa6efcfd	316	creationtime = aimutil_get32(tmptlv->value);
0c20631f	317
	318	/*
	319	* Type 0x00d1: Maximum Message Length
	320	*/
aa6efcfd	321	if ((tmptlv = aim_gettlv(tlvlist, 0x00d1, 1)))
aa6efcfd	322	maxmsglen = aimutil_get16(tmptlv->value);
0c20631f	323
0c20631f	324	/*
aa6efcfd	325	* Type 0x00d2: Unknown. (2 bytes)
0c20631f	326	*/
aa6efcfd	327	if ((tmptlv = aim_gettlv(tlvlist, 0x00d2, 1)))
aa6efcfd	328	unknown_d2 = aimutil_get16(tmptlv->value);;
0c20631f	329
	330	/*
	331	* Type 0x00d3: Room Description
	332	*/
	333	if (aim_gettlv(tlvlist, 0x00d3, 1))
	334	roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1);
	335
	336	/*
aa6efcfd	337	* Type 0x00d5: Unknown. (1 byte)
0c20631f	338	*/
aa6efcfd	339	if ((tmptlv = aim_gettlv(tlvlist, 0x00d5, 1)))
aa6efcfd	340	unknown_d5 = aimutil_get8(tmptlv->value);;
0c20631f	341
	342
	343	userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_ROOMINFOUPDATE);
aa6efcfd	344	if (userfunc) {
	345	ret = userfunc(sess,
	346	command,
	347	&roominfo,
	348	roomname,
	349	usercount,
	350	userinfo,
	351	roomdesc,
	352	unknown_c9,
	353	creationtime,
	354	maxmsglen,
	355	unknown_d2,
	356	unknown_d5);
	357	}
0c20631f	358	free(roominfo.name);
	359	free(userinfo);
	360	free(roomname);
	361	free(roomdesc);
	362	aim_freetlvchain(&tlvlist);
	363
	364	return ret;
	365	}
	366
78b3fb13	367	faim_internal int aim_chat_parse_joined(struct aim_session_t *sess,
78b3fb13	368	struct command_rx_struct *command)
0c20631f	369	{
	370	struct aim_userinfo_s *userinfo = NULL;
	371	rxcallback_t userfunc=NULL;
	372	int i = 10, curcount = 0, ret = 1;
	373
aa6efcfd	374	while (i < command->commandlen) {
	375	curcount++;
	376	userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
	377	i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
	378	}
0c20631f	379
0c20631f	380	userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERJOIN);
aa6efcfd	381	if (userfunc) {
	382	ret = userfunc(sess,
	383	command,
	384	curcount,
	385	userinfo);
	386	}
0c20631f	387
	388	free(userinfo);
	389
	390	return ret;
	391	}
	392
78b3fb13	393	faim_internal int aim_chat_parse_leave(struct aim_session_t *sess,
78b3fb13	394	struct command_rx_struct *command)
0c20631f	395	{
	396
	397	struct aim_userinfo_s *userinfo = NULL;
	398	rxcallback_t userfunc=NULL;
	399	int i = 10, curcount = 0, ret = 1;
	400
aa6efcfd	401	while (i < command->commandlen) {
	402	curcount++;
	403	userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
	404	i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
	405	}
0c20631f	406
0c20631f	407	userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERLEAVE);
aa6efcfd	408	if (userfunc) {
	409	ret = userfunc(sess,
	410	command,
	411	curcount,
	412	userinfo);
	413	}
0c20631f	414
	415	free(userinfo);
	416
	417	return ret;
	418	}
	419
	420	/*
	421	* We could probably include this in the normal ICBM parsing
	422	* code as channel 0x0003, however, since only the start
	423	* would be the same, we might as well do it here.
	424	*/
78b3fb13	425	faim_internal int aim_chat_parse_incoming(struct aim_session_t *sess,
78b3fb13	426	struct command_rx_struct *command)
0c20631f	427	{
	428	struct aim_userinfo_s userinfo;
	429	rxcallback_t userfunc=NULL;
	430	int ret = 1, i = 0, z = 0;
fd0b7da6	431	unsigned char cookie[8];
0c20631f	432	int channel;
	433	struct aim_tlvlist_t *outerlist;
	434	char *msg = NULL;
fd0b7da6	435	struct aim_msgcookie_t *ck;
0c20631f	436
	437	memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));
	438
	439	i = 10; /* skip snac */
	440
	441	/*
7392c79f	442	* ICBM Cookie. Cache it.
0c20631f	443	*/
	444	for (z=0; z<8; z++,i++)
	445	cookie[z] = command->data[i];
	446
fd0b7da6	447	if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) {
	448	if (ck->data)
	449	free(ck->data);
	450	free(ck);
	451	}
7392c79f	452
0c20631f	453	/*
	454	* Channel ID
	455	*
	456	* Channels 1 and 2 are implemented in the normal ICBM
	457	* parser.
	458	*
	459	* We only do channel 3 here.
	460	*
	461	*/
	462	channel = aimutil_get16(command->data+i);
	463	i += 2;
	464
aa6efcfd	465	if (channel != 0x0003) {
	466	printf("faim: chat_incoming: unknown channel! (0x%04x)\n", channel);
	467	return 1;
	468	}
0c20631f	469
	470	/*
	471	* Start parsing TLVs right away.
	472	*/
	473	outerlist = aim_readtlvchain(command->data+i, command->commandlen-i);
	474
	475	/*
	476	* Type 0x0003: Source User Information
	477	*/
aa6efcfd	478	if (aim_gettlv(outerlist, 0x0003, 1)) {
	479	struct aim_tlv_t *userinfotlv;
	480
	481	userinfotlv = aim_gettlv(outerlist, 0x0003, 1);
	482	aim_extractuserinfo(userinfotlv->value, &userinfo);
	483	}
0c20631f	484
	485	/*
	486	* Type 0x0001: Unknown.
	487	*/
	488	if (aim_gettlv(outerlist, 0x0001, 1))
	489	;
	490
	491	/*
	492	* Type 0x0005: Message Block. Conains more TLVs.
	493	*/
	494	if (aim_gettlv(outerlist, 0x0005, 1))
	495	{
	496	struct aim_tlvlist_t *innerlist;
	497	struct aim_tlv_t *msgblock;
	498
	499	msgblock = aim_gettlv(outerlist, 0x0005, 1);
	500	innerlist = aim_readtlvchain(msgblock->value, msgblock->length);
	501
	502	/*
	503	* Type 0x0001: Message.
	504	*/
	505	if (aim_gettlv(innerlist, 0x0001, 1))
	506	msg = aim_gettlv_str(innerlist, 0x0001, 1);
	507
	508	aim_freetlvchain(&innerlist);
	509	}
	510
	511	userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_INCOMINGMSG);
	512	if (userfunc)
	513	{
	514	ret = userfunc(sess,
	515	command,
	516	&userinfo,
	517	msg);
	518	}
	519	free(msg);
	520	aim_freetlvchain(&outerlist);
	521
	522	return ret;
	523	}
	524
78b3fb13	525	faim_export unsigned long aim_chat_clientready(struct aim_session_t *sess,
78b3fb13	526	struct aim_conn_t *conn)
0c20631f	527	{
5b79dc93	528	struct command_tx_struct *newpacket;
0c20631f	529	int i;
0c20631f	530
b69540e3	531	if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 0x20)))
5b79dc93	532	return -1;
	533
	534	newpacket->lock = 1;
0c20631f	535
5b79dc93	536	i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);
0c20631f	537
5b79dc93	538	i+= aimutil_put16(newpacket->data+i, 0x000e);
5b79dc93	539	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	540
5b79dc93	541	i+= aimutil_put16(newpacket->data+i, 0x0004);
5b79dc93	542	i+= aimutil_put16(newpacket->data+i, 0x0001);
0c20631f	543
5b79dc93	544	i+= aimutil_put16(newpacket->data+i, 0x0001);
5b79dc93	545	i+= aimutil_put16(newpacket->data+i, 0x0003);
0c20631f	546
5b79dc93	547	i+= aimutil_put16(newpacket->data+i, 0x0004);
5b79dc93	548	i+= aimutil_put16(newpacket->data+i, 0x0686);
0c20631f	549
5b79dc93	550	newpacket->lock = 0;
5b79dc93	551	aim_tx_enqueue(sess, newpacket);
0c20631f	552
	553	return (sess->snac_nextid++);
	554	}
	555
78b3fb13	556	faim_export int aim_chat_leaveroom(struct aim_session_t sess, char name)
0c20631f	557	{
040457cc	558	struct aim_conn_t *conn;
0c20631f	559
040457cc	560	if ((conn = aim_chat_getconn(sess, name)))
9d2a3582	561	aim_conn_close(conn);
040457cc	562
	563	if (!conn)
	564	return -1;
	565	return 0;
0c20631f	566	}
	567
	568	/*
	569	* conn must be a BOS connection!
	570	*/
78b3fb13	571	faim_export unsigned long aim_chat_invite(struct aim_session_t *sess,
	572	struct aim_conn_t *conn,
	573	char *sn,
	574	char *msg,
	575	u_short exchange,
	576	char *roomname,
	577	u_short instance)
0c20631f	578	{
5b79dc93	579	struct command_tx_struct *newpacket;
0c20631f	580	int i,curbyte=0;
	581
	582	if (!sess \|\| !conn \|\| !sn \|\| !msg \|\| !roomname)
9d2a3582	583	return -1;
	584
	585	if (conn->type != AIM_CONN_TYPE_BOS)
	586	return -1;
0c20631f	587
b69540e3	588	if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152+strlen(sn)+strlen(roomname)+strlen(msg))))
5b79dc93	589	return -1;
	590
	591	newpacket->lock = 1;
0c20631f	592
5b79dc93	593	curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid);
0c20631f	594
	595	/*
	596	* Cookie
	597	*/
	598	for (i=0;i<8;i++)
5b79dc93	599	curbyte += aimutil_put8(newpacket->data+curbyte, (u_char)rand());
fd0b7da6	600
fd0b7da6	601	/* XXX this should get uncached by the unwritten 'invite accept' handler */
7392c79f	602	aim_cachecookie(sess, aim_mkcookie(newpacket->data+curbyte-8, AIM_COOKIETYPE_CHAT, NULL));
0c20631f	603
	604	/*
	605	* Channel (2)
	606	*/
5b79dc93	607	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
0c20631f	608
	609	/*
	610	* Dest sn
	611	*/
5b79dc93	612	curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn));
5b79dc93	613	curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn));
0c20631f	614
	615	/*
	616	* TLV t(0005)
	617	*/
5b79dc93	618	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
5b79dc93	619	curbyte += aimutil_put16(newpacket->data+curbyte, 0x28+strlen(msg)+0x04+0x03+strlen(roomname)+0x02);
0c20631f	620
	621	/*
	622	* Unknown info
	623	*/
5b79dc93	624	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
	625	curbyte += aimutil_put16(newpacket->data+curbyte, 0x3131);
	626	curbyte += aimutil_put16(newpacket->data+curbyte, 0x3538);
	627	curbyte += aimutil_put16(newpacket->data+curbyte, 0x3446);
	628	curbyte += aimutil_put16(newpacket->data+curbyte, 0x4100);
	629	curbyte += aimutil_put16(newpacket->data+curbyte, 0x748f);
	630	curbyte += aimutil_put16(newpacket->data+curbyte, 0x2420);
	631	curbyte += aimutil_put16(newpacket->data+curbyte, 0x6287);
	632	curbyte += aimutil_put16(newpacket->data+curbyte, 0x11d1);
	633	curbyte += aimutil_put16(newpacket->data+curbyte, 0x8222);
	634	curbyte += aimutil_put16(newpacket->data+curbyte, 0x4445);
	635	curbyte += aimutil_put16(newpacket->data+curbyte, 0x5354);
	636	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
0c20631f	637
	638	/*
	639	* TLV t(000a) -- Unknown
	640	*/
5b79dc93	641	curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a);
	642	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
	643	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
0c20631f	644
	645	/*
	646	* TLV t(000f) -- Unknown
	647	*/
5b79dc93	648	curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
5b79dc93	649	curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
0c20631f	650
	651	/*
	652	* TLV t(000c) -- Invitation message
	653	*/
5b79dc93	654	curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000c, strlen(msg), msg);
0c20631f	655
	656	/*
	657	* TLV t(2711) -- Container for room information
	658	*/
5b79dc93	659	curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711);
	660	curbyte += aimutil_put16(newpacket->data+curbyte, 3+strlen(roomname)+2);
	661	curbyte += aimutil_put16(newpacket->data+curbyte, exchange);
	662	curbyte += aimutil_put8(newpacket->data+curbyte, strlen(roomname));
	663	curbyte += aimutil_putstr(newpacket->data+curbyte, roomname, strlen(roomname));
	664	curbyte += aimutil_put16(newpacket->data+curbyte, instance);
	665
	666	newpacket->commandlen = curbyte;
	667	newpacket->lock = 0;
	668	aim_tx_enqueue(sess, newpacket);
0c20631f	669
a25832e6	670	return (sess->snac_nextid++);
9de3ca7e	671	}