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bos.c

#define FAIM_INTERNAL
#include <aim.h>

/* Request BOS rights (group 9, type 2) */
faim_export 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;
      fu16_t maxpermits = 0, maxdenies = 0;
      int ret = 0;

      /* 
       * TLVs follow 
       */
      tlvlist = aim_readtlvchain(bs);

      /*
       * TLV type 0x0001: Maximum number of buddies on permit list.
       */
      if (aim_gettlv(tlvlist, 0x0001, 1))
            maxpermits = aim_gettlv16(tlvlist, 0x0001, 1);

      /*
       * TLV type 0x0002: Maximum number of buddies on deny list.
       */
      if (aim_gettlv(tlvlist, 0x0002, 1)) 
            maxdenies = aim_gettlv16(tlvlist, 0x0002, 1);

      if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
            ret = userfunc(sess, rx, maxpermits, maxdenies);

      aim_freetlvchain(&tlvlist);

      return ret;  
}

/* 
 * Set group permisson mask (group 9, type 4)
 *
 * Normally 0x1f (all classes).
 *
 * The group permission mask allows you to keep users of a certain
 * class or classes from talking to you.  The mask should be
 * a bitwise OR of all the user classes you want to see you.
 *
 */
faim_export int aim_bos_setgroupperm(aim_session_t *sess, aim_conn_t *conn, fu32_t mask)
{
      return aim_genericreq_l(sess, conn, 0x0009, 0x0004, &mask);
}

/*
 * Modify permit/deny lists (group 9, types 5, 6, 7, and 8)
 *
 * Changes your visibility depending on changetype:
 *
 *  AIM_VISIBILITYCHANGE_PERMITADD: Lets provided list of names see you
 *  AIM_VISIBILITYCHANGE_PERMIDREMOVE: Removes listed names from permit list
 *  AIM_VISIBILITYCHANGE_DENYADD: Hides you from provided list of names
 *  AIM_VISIBILITYCHANGE_DENYREMOVE: Lets list see you again
 *
 * list should be a list of 
 * screen names in the form "Screen Name One&ScreenNameTwo&" etc.
 *
 * Equivelents to options in WinAIM:
 *   - Allow all users to contact me: Send an AIM_VISIBILITYCHANGE_DENYADD
 *      with only your name on it.
 *   - Allow only users on my Buddy List: Send an 
 *      AIM_VISIBILITYCHANGE_PERMITADD with the list the same as your
 *      buddy list
 *   - Allow only the uesrs below: Send an AIM_VISIBILITYCHANGE_PERMITADD 
 *      with everyone listed that you want to see you.
 *   - Block all users: Send an AIM_VISIBILITYCHANGE_PERMITADD with only 
 *      yourself in the list
 *   - Block the users below: Send an AIM_VISIBILITYCHANGE_DENYADD with
 *      the list of users to be blocked
 *
 * XXX ye gods.
 */
faim_export int aim_bos_changevisibility(aim_session_t *sess, aim_conn_t *conn, int changetype, const char *denylist)
{
      aim_frame_t *fr;
      int packlen = 0;
      fu16_t subtype;
      char *localcpy = NULL, *tmpptr = NULL;
      int i;
      int listcount;
      aim_snacid_t snacid;

      if (!denylist)
            return -EINVAL;

      if (changetype == AIM_VISIBILITYCHANGE_PERMITADD)
            subtype = 0x05;
      else if (changetype == AIM_VISIBILITYCHANGE_PERMITREMOVE)
            subtype = 0x06;
      else if (changetype == AIM_VISIBILITYCHANGE_DENYADD)
            subtype = 0x07;
      else if (changetype == AIM_VISIBILITYCHANGE_DENYREMOVE)
            subtype = 0x08;
      else
            return -EINVAL;

      localcpy = strdup(denylist);

      listcount = aimutil_itemcnt(localcpy, '&');
      packlen = aimutil_tokslen(localcpy, 99, '&') + listcount + 9;

      if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, packlen))) {
            free(localcpy);
            return -ENOMEM;
      }

      snacid = aim_cachesnac(sess, 0x0009, subtype, 0x0000, NULL, 0);
      aim_putsnac(&fr->data, 0x0009, subtype, 0x00, snacid);

      for (i = 0; (i < (listcount - 1)) && (i < 99); i++) {
            tmpptr = aimutil_itemidx(localcpy, i, '&');

            aimbs_put8(&fr->data, strlen(tmpptr));
            aimbs_putraw(&fr->data, tmpptr, strlen(tmpptr));

            free(tmpptr);
      }
      free(localcpy);

      aim_tx_enqueue(sess, fr);

      return 0;
}

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 == 0x0003)
            return rights(sess, mod, rx, snac, bs);

      return 0;
}

faim_internal int bos_modfirst(aim_session_t *sess, aim_module_t *mod)
{

      mod->family = 0x0009;
      mod->version = 0x0001;
      mod->toolid = 0x0110;
      mod->toolversion = 0x047b;
      mod->flags = 0;
      strncpy(mod->name, "bos", sizeof(mod->name));
      mod->snachandler = snachandler;

      return 0;
}



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