emehta-contrib/ns_guestnoreg.c

97 lines
2.4 KiB
C

/*
* Copyright (c) 2010 William Pitcock <nenolod@atheme.org>
* Rights to this code are as documented in doc/LICENSE.
*
* This file contains code for blocking registrations of guest nicks.
* Particularly for use with webchat clients.
*
* To actually use this, add a something like the following to
* the nickserv {} block of your atheme.conf:
* guestnicks {
* "mib_";
* "WebUser";
* };
*
*/
#include "atheme.h"
#include "conf.h"
DECLARE_MODULE_V1
(
"contrib/ns_guestnoreg", false, _modinit, _moddeinit,
PACKAGE_STRING,
"Atheme Development Group <http://www.atheme.org>"
);
static mowgli_list_t guestnicks = { NULL, NULL, 0 };
static void guestnoreg_hook(hook_user_register_check_t *hdata)
{
mowgli_node_t *n;
return_if_fail(hdata != NULL);
return_if_fail(hdata->si != NULL);
MOWGLI_ITER_FOREACH(n, guestnicks.head)
{
char *nick = n->data;
int nicklen = strlen(nick);
if (!strncasecmp(hdata->account, nick, nicklen))
{
command_fail(hdata->si, fault_badparams, _("Registering of guest nicknames is disallowed."));
hdata->approved++;
}
}
}
static int guestnoreg_config_handler(mowgli_config_file_entry_t *ce)
{
mowgli_config_file_entry_t *cce;
MOWGLI_ITER_FOREACH(cce, ce->entries)
{
char *nick = sstrdup(cce->varname);
mowgli_node_add(nick, mowgli_node_create(), &guestnicks);
}
return 0;
}
static void guestnoreg_config_purge(void *unused)
{
mowgli_node_t *n, *tn;
MOWGLI_ITER_FOREACH_SAFE(n, tn, guestnicks.head)
{
char *nick = n->data;
free(nick);
mowgli_node_delete(n, &guestnicks);
mowgli_node_free(n);
}
}
void
_modinit(module_t *m)
{
hook_add_event("config_purge");
hook_add_config_purge(guestnoreg_config_purge);
hook_add_event("user_can_register");
hook_add_user_can_register(guestnoreg_hook);
add_conf_item("GUESTNICKS", &nicksvs.me->conf_table, guestnoreg_config_handler);
}
void
_moddeinit(module_unload_intent_t intent)
{
hook_del_user_can_register(guestnoreg_hook);
hook_del_config_purge(guestnoreg_config_purge);
del_conf_item("GUESTNICKS", &nicksvs.me->conf_table);
}