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/*
* Copyright (c) 2005-2007 William Pitcock, et al.
* Rights to this code are as documented in doc/LICENSE.
*
* This file contains code for the NickServ GHOST function.
*
*/
#include "atheme.h"
DECLARE_MODULE_V1
(
"nickserv/ghost", false, _modinit, _moddeinit,
PACKAGE_STRING,
VENDOR_STRING
);
static void ns_cmd_ghost(sourceinfo_t *si, int parc, char *parv[]);
command_t ns_ghost = { "GHOST", N_("Reclaims use of a nickname."), AC_NONE, 2, ns_cmd_ghost, { .path = "nickserv/ghost" } };
void _modinit(module_t *m)
{
service_named_bind_command("nickserv", &ns_ghost);
}
void _moddeinit(module_unload_intent_t intent)
{
service_named_unbind_command("nickserv", &ns_ghost);
}
void ns_cmd_ghost(sourceinfo_t *si, int parc, char *parv[])
{
myuser_t *mu;
char *target = parv[0];
char *password = parv[1];
user_t *target_u;
mynick_t *mn;
if (!target)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "GHOST");
command_fail(si, fault_needmoreparams, _("Syntax: GHOST <target> [password]"));
return;
}
if (nicksvs.no_nick_ownership)
mn = NULL, mu = myuser_find(target);
else
{
mn = mynick_find(target);
mu = mn != NULL ? mn->owner : NULL;
}
target_u = user_find_named(target);
if (!target_u)
{
command_fail(si, fault_nosuch_target, _("\2%s\2 is not online."), target);
return;
}
else if (!mu && !target_u->myuser)
{
command_fail(si, fault_nosuch_target, _("\2%s\2 is not a registered nickname."), target);
return;
}
else if (target_u == si->su)
{
command_fail(si, fault_badparams, _("You may not ghost yourself."));
return;
}
/* At this point, we're now checking metadata associated with the target's account.
* If the target nick is unregistered, mu will be unset thus far. */
if (target_u->myuser && !mu)
mu = target_u->myuser;
if (password && metadata_find(mu, "private:freeze:freezer"))
{
command_fail(si, fault_authfail, "You cannot ghost users as \2%s\2 because the account has been frozen.", entity(mu)->name);
logcommand(si, CMDLOG_DO, "failed GHOST \2%s\2 (frozen)", target);
return;
}
if (password && (mu->flags & MU_NOPASSWORD))
{
command_fail(si, fault_authfail, _("Password authentication is disabled for this account."));
logcommand(si, CMDLOG_DO, "failed GHOST \2%s\2 (password authentication disabled)", target);
return;
}
if ((target_u->myuser && target_u->myuser == si->smu) || /* they're identified under our account */
(!nicksvs.no_nick_ownership && mn && mu == si->smu) || /* we're identified under their nick's account */
(!nicksvs.no_nick_ownership && password && verify_password(mu, password))) /* we have the correct password */
{
logcommand(si, CMDLOG_DO, "GHOST: \2%s!%s@%s\2", target_u->nick, target_u->user, target_u->vhost);
kill_user(si->service->me, target_u, "GHOST command used by %s",
si->su != NULL && !strcmp(si->su->user, target_u->user) && !strcmp(si->su->vhost, target_u->vhost) ? si->su->nick : get_source_mask(si));
command_success_nodata(si, _("\2%s\2 has been ghosted."), target);
/* Update the account's last seen time.
* Perhaps the ghosted nick belonged to someone else, but we were identified to it?
* Try this first. */
if (target_u->myuser && target_u->myuser == si->smu)
target_u->myuser->lastlogin = CURRTIME;
else
mu->lastlogin = CURRTIME;
return;
}
if (password)
{
logcommand(si, CMDLOG_DO, "failed GHOST \2%s\2 (bad password)", target);
command_fail(si, fault_authfail, _("Invalid password for \2%s\2."), entity(mu)->name);
bad_password(si, mu);
}
else
{
logcommand(si, CMDLOG_DO, "failed GHOST \2%s\2 (invalid login)", target);
command_fail(si, fault_noprivs, _("You may not ghost \2%s\2."), target);
}
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/
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