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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 2001-2017 ircd-hybrid development team |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file conf_resv.c |
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* \brief Functions to reserve(jupe) a nick/channel. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "list.h" |
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#include "send.h" |
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#include "client.h" |
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#include "memory.h" |
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#include "ircd.h" |
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#include "irc_string.h" |
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#include "ircd_defs.h" |
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#include "misc.h" |
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#include "conf.h" |
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#include "conf_resv.h" |
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#include "hostmask.h" |
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|
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|
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static dlink_list resv_chan_list; |
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static dlink_list resv_nick_list; |
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|
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|
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const dlink_list * |
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resv_chan_get_list(void) |
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{ |
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return &resv_chan_list; |
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} |
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|
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const dlink_list * |
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resv_nick_get_list(void) |
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{ |
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return &resv_nick_list; |
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} |
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|
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void |
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resv_delete(struct ResvItem *resv) |
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{ |
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while (resv->exempt_list.head) |
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{ |
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struct ResvExemptItem *exempt = resv->exempt_list.head->data; |
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|
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dlinkDelete(&exempt->node, &resv->exempt_list); |
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xfree(exempt->name); |
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xfree(exempt->user); |
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xfree(exempt->host); |
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xfree(exempt); |
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} |
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|
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dlinkDelete(&resv->node, resv->list); |
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xfree(resv->mask); |
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xfree(resv->reason); |
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xfree(resv); |
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} |
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|
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/* create_resv() |
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* |
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* inputs - name of nick to create resv for |
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* - reason for resv |
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* - 1 if from ircd.conf, 0 if from elsewhere |
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* output - pointer to struct ResvNick |
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* side effects - |
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*/ |
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struct ResvItem * |
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resv_make(const char *mask, const char *reason, const dlink_list *elist) |
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{ |
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dlink_list *list; |
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|
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if (resv_find(mask, irccmp)) |
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return NULL; |
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|
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if (IsChanPrefix(*mask)) |
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list = &resv_chan_list; |
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else |
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list = &resv_nick_list; |
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|
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struct ResvItem *resv = xcalloc(sizeof(*resv)); |
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resv->list = list; |
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resv->mask = xstrdup(mask); |
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resv->reason = xstrndup(reason, IRCD_MIN(strlen(reason), REASONLEN)); |
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dlinkAdd(resv, &resv->node, resv->list); |
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|
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if (elist) |
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{ |
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dlink_node *node; |
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|
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DLINK_FOREACH(node, elist->head) |
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{ |
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char nick[NICKLEN + 1]; |
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char user[USERLEN + 1]; |
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char host[HOSTLEN + 1]; |
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struct split_nuh_item nuh; |
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char *s = node->data; |
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|
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if (strlen(s) == 2 && IsAlpha(*(s + 1) && IsAlpha(*(s + 2)))) |
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{ |
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#ifdef HAVE_LIBGEOIP |
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struct ResvExemptItem *exempt = xcalloc(sizeof(*exempt)); |
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exempt->name = xstrdup(s); |
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exempt->country_id = GeoIP_id_by_code(s); |
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dlinkAdd(exempt, &exempt->node, &resv->exempt_list); |
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#endif |
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} |
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else |
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{ |
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nuh.nuhmask = s; |
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nuh.nickptr = nick; |
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nuh.userptr = user; |
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nuh.hostptr = host; |
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|
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nuh.nicksize = sizeof(nick); |
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nuh.usersize = sizeof(user); |
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nuh.hostsize = sizeof(host); |
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|
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split_nuh(&nuh); |
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|
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struct ResvExemptItem *exempt = xcalloc(sizeof(*exempt)); |
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exempt->name = xstrdup(nick); |
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exempt->user = xstrdup(user); |
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exempt->host = xstrdup(host); |
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exempt->type = parse_netmask(host, &exempt->addr, &exempt->bits); |
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dlinkAdd(exempt, &exempt->node, &resv->exempt_list); |
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} |
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} |
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} |
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|
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return resv; |
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} |
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|
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struct ResvItem * |
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resv_find(const char *name, int (*compare)(const char *, const char *)) |
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{ |
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dlink_node *node; |
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dlink_list *list; |
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|
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if (IsChanPrefix(*name)) |
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list = &resv_chan_list; |
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else |
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list = &resv_nick_list; |
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|
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DLINK_FOREACH(node, list->head) |
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{ |
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struct ResvItem *resv = node->data; |
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|
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if (!compare(resv->mask, name)) |
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return resv; |
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} |
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|
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return NULL; |
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} |
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|
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int |
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resv_exempt_find(const struct Client *client_p, const struct ResvItem *resv) |
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{ |
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dlink_node *node; |
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|
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DLINK_FOREACH(node, resv->exempt_list.head) |
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{ |
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const struct ResvExemptItem *exempt = node->data; |
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|
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if (exempt->country_id) |
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{ |
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if (exempt->country_id == client_p->connection->country_id) |
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return 1; |
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} |
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else if (!match(exempt->name, client_p->name) && !match(exempt->user, client_p->username)) |
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{ |
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switch (exempt->type) |
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{ |
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case HM_HOST: |
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if (!match(exempt->host, client_p->host) || !match(exempt->host, client_p->sockhost)) |
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return 1; |
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break; |
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case HM_IPV4: |
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if (client_p->connection->aftype == AF_INET) |
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if (match_ipv4(&client_p->connection->ip, &exempt->addr, exempt->bits)) |
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return 1; |
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break; |
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case HM_IPV6: |
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if (client_p->connection->aftype == AF_INET6) |
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if (match_ipv6(&client_p->connection->ip, &exempt->addr, exempt->bits)) |
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return 1; |
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break; |
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default: |
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assert(0); |
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} |
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} |
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} |
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|
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return 0; |
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} |
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|
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void |
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resv_clear(void) |
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{ |
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dlink_list *tab[] = { &resv_chan_list, &resv_nick_list, NULL }; |
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|
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for (dlink_list **list = tab; *list; ++list) |
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{ |
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dlink_node *node = NULL, *node_next = NULL; |
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|
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DLINK_FOREACH_SAFE(node, node_next, (*list)->head) |
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{ |
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struct ResvItem *resv = node->data; |
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|
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if (!resv->in_database) |
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resv_delete(resv); |
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} |
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} |
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} |
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|
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void |
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resv_expire(void) |
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{ |
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dlink_list *tab[] = { &resv_chan_list, &resv_nick_list, NULL }; |
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|
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for (dlink_list **list = tab; *list; ++list) |
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{ |
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dlink_node *node = NULL, *node_next = NULL; |
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|
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DLINK_FOREACH_SAFE(node, node_next, (*list)->head) |
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{ |
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struct ResvItem *resv = node->data; |
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|
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if (!resv->expire || resv->expire > CurrentTime) |
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continue; |
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|
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if (ConfigGeneral.tkline_expire_notices) |
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sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "Temporary RESV for [%s] expired", |
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resv->mask); |
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resv_delete(resv); |
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} |
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} |
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} |
