static int
chown_ok(dbref player, dbref thing, dbref newowner, NEW_PE_INFO *pe_info)
{
/* Can't touch garbage */
if (IsGarbage(thing))
return 0;
/* Wizards can do it all */
if (Wizard(player))
return 1;
/* In order for non-wiz player to @chown thing to newowner,
* player must control newowner or newowner must be a Zone Master
* and player must pass its zone lock.
*
* In addition, one of the following must apply:
* 1. player owns thing, or
* 2. player controls Owner(thing), newowner is a zone master,
* and Owner(thing) passes newowner's zone-lock, or
* 3. thing is CHOWN_OK, and player holds thing if it's an object.
*
* The third condition is syntactic sugar to handle the situation
* where Joe owns Box, an ordinary object, and Tool, an inherit object,
* and ZMP, a Zone Master Player, is zone-locked to =tool.
* In this case, if Joe doesn't pass ZMP's lock, we don't want
* Joe to be able to @fo Tool=@chown Box=ZMP
*/
/* Does player control newowner, or is newowner a Zone Master and player
* passes the lock?
*/
if (!(controls(player, newowner) ||
(ZMaster(newowner) &&
eval_lock_with(player, newowner, Zone_Lock, pe_info))))
return 0;
/* Target player is legitimate. Does player control the object? */
if (Owns(player, thing))
return 1;
if (controls(player, Owner(thing)) && ZMaster(newowner) &&
eval_lock_with(Owner(thing), newowner, Zone_Lock, pe_info))
return 1;
if ((!IsThing(thing) || (Location(thing) == player)) && ChownOk(thing) &&
eval_lock_with(player, thing, Chown_Lock, pe_info))
return 1;
return 0;
}
/** Clone an object.
* \verbatim
* This is the top-level function for @clone, which creates a duplicate
* of a (non-player) object.
* \endverbatim
* \param player the enactor.
* \param name the name of the object to clone.
* \param newname the name to give the duplicate.
* \param preserve if 1, preserve ownership and privileges on duplicate.
* \paran newdbref the (unparsed) dbref to give the object, or NULL to use the next free
* \return dbref of the duplicate, or NOTHING.
*/
dbref
do_clone(dbref player, char *name, char *newname, int preserve, char *newdbref)
{
dbref clone, thing;
char dbnum[BUFFER_LEN];
thing = noisy_match_result(player, name, NOTYPE, MAT_EVERYTHING);
if ((thing == NOTHING))
return NOTHING;
if (newname && *newname && !ok_name(newname, IsExit(thing))) {
notify(player, T("That is not a reasonable name."));
return NOTHING;
}
if (!controls(player, thing) || IsPlayer(thing) ||
(IsRoom(thing) && !command_check_byname(player, "@dig")) ||
(IsExit(thing) && !command_check_byname(player, "@open")) ||
(IsThing(thing) && !command_check_byname(player, "@create"))) {
notify(player, T("Permission denied."));
return NOTHING;
}
/* don't allow cloning of destructed things */
if (IsGarbage(thing)) {
notify(player, T("There's nothing left of it to clone!"));
return NOTHING;
}
if (preserve && !Wizard(player)) {
notify(player, T("You cannot @CLONE/PRESERVE. Use normal @CLONE instead."));
return NOTHING;
}
if (!make_first_free_wrapper(player, newdbref)) {
return NOTHING;
}
/* make sure owner can afford it */
switch (Typeof(thing)) {
case TYPE_THING:
if (can_pay_fees(player, Pennies(thing))) {
clone = clone_object(player, thing, newname, preserve);
notify_format(player, T("Cloned: Object %s."), unparse_dbref(clone));
if (IsRoom(player))
moveto(clone, player, player, "cloned");
else
moveto(clone, Location(player), player, "cloned");
current_state.things++;
local_data_clone(clone, thing);
real_did_it(player, clone, NULL, NULL, NULL, NULL, "ACLONE", NOTHING,
global_eval_context.wenv, 0);
return clone;
}
return NOTHING;
break;
case TYPE_ROOM:
if (can_pay_fees(player, ROOM_COST)) {
clone = clone_object(player, thing, newname, preserve);
Exits(clone) = NOTHING;
notify_format(player, T("Cloned: Room #%d."), clone);
current_state.rooms++;
local_data_clone(clone, thing);
real_did_it(player, clone, NULL, NULL, NULL, NULL, "ACLONE", NOTHING,
global_eval_context.wenv, 0);
return clone;
}
return NOTHING;
break;
case TYPE_EXIT:
/* For exits, we don't want people to be able to link it to
a location they can't with @open. So, all this stuff.
*/
switch (Location(thing)) {
case NOTHING:
strcpy(dbnum, "#-1");
break;
case HOME:
strcpy(dbnum, "home");
break;
case AMBIGUOUS:
strcpy(dbnum, "variable");
break;
default:
strcpy(dbnum, unparse_dbref(Location(thing)));
}
if (newname && *newname)
clone = do_real_open(player, newname, dbnum, NOTHING);
else
clone = do_real_open(player, Name(thing), dbnum, NOTHING);
if (!GoodObject(clone)) {
return NOTHING;
} else {
atr_cpy(clone, thing);
clone_locks(player, thing, clone);
Zone(clone) = Zone(thing);
Parent(clone) = Parent(thing);
Flags(clone) = clone_flag_bitmask("FLAG", Flags(thing));
if (!preserve) {
clear_flag_internal(clone, "WIZARD");
clear_flag_internal(clone, "ROYALTY");
Warnings(clone) = 0; /* zap warnings */
Powers(clone) = new_flag_bitmask("POWER"); /* zap powers */
} else {
Warnings(clone) = Warnings(thing);
Powers(clone) = clone_flag_bitmask("POWER", Powers(thing));
}
if (Wizard(clone) || Royalty(clone) || Warnings(clone) ||
!null_flagmask("POWER", Powers(clone)))
notify(player,
T
("Warning: @CLONE/PRESERVE on an object with WIZ, ROY, @powers, or @warnings."));
notify_format(player, T("Cloned: Exit #%d."), clone);
local_data_clone(clone, thing);
return clone;
}
}
return NOTHING;
}
/** Change an object's owner.
* \verbatim
* This implements @chown.
* \endverbatim
* \param player the enactor.
* \param name name of object to change owner of.
* \param newobj name of new owner for object.
* \param preserve if 1, preserve privileges and don't halt the object.
* \param pe_info the pe_info for lock checks
*/
void
do_chown(dbref player, const char *name, const char *newobj, int preserve,
NEW_PE_INFO *pe_info)
{
dbref thing;
dbref newowner = NOTHING;
long match_flags = MAT_POSSESSION | MAT_HERE | MAT_EXIT | MAT_ABSOLUTE;
/* check for '@chown <object>/<atr>=<player>' */
if (strchr(name, '/')) {
do_atrchown(player, name, newobj);
return;
}
if (Wizard(player))
match_flags |= MAT_PLAYER;
if ((thing = noisy_match_result(player, name, TYPE_THING, match_flags))
== NOTHING)
return;
if (!*newobj || !strcasecmp(newobj, "me")) {
newowner = player;
} else {
if ((newowner = lookup_player(newobj)) == NOTHING) {
notify(player, T("I couldn't find that player."));
return;
}
}
if (IsPlayer(thing) && !God(player)) {
notify(player, T("Players always own themselves."));
return;
}
/* Permissions checking */
if (!chown_ok(player, thing, newowner, pe_info)) {
notify(player, T("Permission denied."));
return;
}
if (IsThing(thing) && !Hasprivs(player) &&
!(GoodObject(Location(thing)) && (Location(thing) == player))) {
notify(player, T("You must carry the object to @chown it."));
return;
}
if (preserve && !Wizard(player)) {
notify(player, T("You cannot @CHOWN/PRESERVE. Use normal @CHOWN."));
return;
}
/* chowns to the zone master don't count towards fees */
if (!ZMaster(newowner)) {
/* Debit the owner-to-be */
if (!can_pay_fees(newowner, Pennies(thing))) {
/* not enough money or quota */
if (newowner != player)
notify(player,
T
("That player doesn't have enough money or quota to receive that object."));
return;
}
/* Credit the current owner */
giveto(Owner(thing), Pennies(thing));
change_quota(Owner(thing), QUOTA_COST);
}
chown_object(player, thing, newowner, preserve);
notify(player, T("Owner changed."));
}
