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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) 1997-2014 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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|
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/*! \file conf.c |
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* \brief Configuration file functions. |
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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 "ircd_defs.h" |
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#include "conf.h" |
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#include "server.h" |
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#include "resv.h" |
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#include "channel.h" |
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#include "client.h" |
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#include "event.h" |
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#include "irc_string.h" |
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#include "s_bsd.h" |
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#include "ircd.h" |
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#include "listener.h" |
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#include "hostmask.h" |
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#include "modules.h" |
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#include "numeric.h" |
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#include "fdlist.h" |
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#include "log.h" |
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#include "send.h" |
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#include "memory.h" |
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#include "res.h" |
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#include "userhost.h" |
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#include "user.h" |
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#include "channel_mode.h" |
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#include "parse.h" |
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#include "misc.h" |
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#include "conf_db.h" |
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#include "conf_class.h" |
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#include "motd.h" |
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#include "ipcache.h" |
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|
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|
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/* general conf items link list root, other than k lines etc. */ |
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dlink_list service_items = { NULL, NULL, 0 }; |
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dlink_list server_items = { NULL, NULL, 0 }; |
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dlink_list cluster_items = { NULL, NULL, 0 }; |
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dlink_list oconf_items = { NULL, NULL, 0 }; |
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dlink_list uconf_items = { NULL, NULL, 0 }; |
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dlink_list xconf_items = { NULL, NULL, 0 }; |
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dlink_list nresv_items = { NULL, NULL, 0 }; |
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dlink_list cresv_items = { NULL, NULL, 0 }; |
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|
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extern unsigned int lineno; |
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extern char linebuf[]; |
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extern char conffilebuf[IRCD_BUFSIZE]; |
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extern int yyparse(); /* defined in y.tab.c */ |
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|
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/* internally defined functions */ |
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static void read_conf(FILE *); |
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static void clear_out_old_conf(void); |
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static void expire_tklines(dlink_list *); |
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static int verify_access(struct Client *); |
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static int attach_iline(struct Client *, struct MaskItem *); |
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static dlink_list *map_to_list(enum maskitem_type); |
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static int find_user_host(struct Client *, char *, char *, char *, unsigned int); |
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|
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|
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/* conf_dns_callback() |
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* |
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* inputs - pointer to struct MaskItem |
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* - pointer to DNSReply reply |
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* output - none |
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* side effects - called when resolver query finishes |
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* if the query resulted in a successful search, hp will contain |
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* a non-null pointer, otherwise hp will be null. |
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* if successful save hp in the conf item it was called with |
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*/ |
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static void |
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conf_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name, size_t namelength) |
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{ |
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struct MaskItem *conf = vptr; |
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|
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conf->dns_pending = 0; |
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|
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if (addr) |
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memcpy(&conf->addr, addr, sizeof(conf->addr)); |
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else |
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conf->dns_failed = 1; |
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} |
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|
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/* conf_dns_lookup() |
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* |
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* do a nameserver lookup of the conf host |
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* if the conf entry is currently doing a ns lookup do nothing, otherwise |
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* allocate a dns_query and start ns lookup. |
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*/ |
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static void |
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conf_dns_lookup(struct MaskItem *conf) |
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{ |
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if (!conf->dns_pending) |
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{ |
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conf->dns_pending = 1; |
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|
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if (conf->aftype == AF_INET) |
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gethost_byname_type(conf_dns_callback, conf, conf->host, T_A); |
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else |
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gethost_byname_type(conf_dns_callback, conf, conf->host, T_AAAA); |
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} |
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} |
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|
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struct MaskItem * |
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conf_make(enum maskitem_type type) |
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{ |
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struct MaskItem *conf = MyCalloc(sizeof(*conf)); |
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dlink_list *list = NULL; |
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|
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conf->type = type; |
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conf->active = 1; |
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conf->aftype = AF_INET; |
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|
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if ((list = map_to_list(type))) |
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dlinkAdd(conf, &conf->node, list); |
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return conf; |
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} |
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|
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void |
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conf_free(struct MaskItem *conf) |
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{ |
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dlink_node *ptr = NULL, *ptr_next = NULL; |
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dlink_list *list = NULL; |
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|
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if (conf->node.next) |
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if ((list = map_to_list(conf->type))) |
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dlinkDelete(&conf->node, list); |
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|
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MyFree(conf->name); |
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|
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if (conf->dns_pending) |
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delete_resolver_queries(conf); |
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if (conf->passwd) |
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memset(conf->passwd, 0, strlen(conf->passwd)); |
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if (conf->spasswd) |
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memset(conf->spasswd, 0, strlen(conf->spasswd)); |
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|
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conf->class = NULL; |
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|
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MyFree(conf->passwd); |
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MyFree(conf->spasswd); |
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MyFree(conf->reason); |
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MyFree(conf->certfp); |
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MyFree(conf->user); |
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MyFree(conf->host); |
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#ifdef HAVE_LIBCRYPTO |
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MyFree(conf->cipher_list); |
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|
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if (conf->rsa_public_key) |
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RSA_free(conf->rsa_public_key); |
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#endif |
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DLINK_FOREACH_SAFE(ptr, ptr_next, conf->hub_list.head) |
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{ |
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MyFree(ptr->data); |
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dlinkDelete(ptr, &conf->hub_list); |
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free_dlink_node(ptr); |
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} |
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|
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DLINK_FOREACH_SAFE(ptr, ptr_next, conf->leaf_list.head) |
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{ |
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MyFree(ptr->data); |
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dlinkDelete(ptr, &conf->leaf_list); |
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free_dlink_node(ptr); |
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} |
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|
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DLINK_FOREACH_SAFE(ptr, ptr_next, conf->exempt_list.head) |
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{ |
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struct exempt *exptr = ptr->data; |
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|
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dlinkDelete(ptr, &conf->exempt_list); |
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MyFree(exptr->name); |
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MyFree(exptr->user); |
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MyFree(exptr->host); |
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MyFree(exptr); |
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} |
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|
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MyFree(conf); |
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} |
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|
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/* check_client() |
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* |
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* inputs - pointer to client |
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* output - 0 = Success |
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* NOT_AUTHORIZED (-1) = Access denied (no I line match) |
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* IRCD_SOCKET_ERROR (-2) = Bad socket. |
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* I_LINE_FULL (-3) = I-line is full |
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* TOO_MANY (-4) = Too many connections from hostname |
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* BANNED_CLIENT (-5) = K-lined |
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* side effects - Ordinary client access check. |
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* Look for conf lines which have the same |
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* status as the flags passed. |
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*/ |
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int |
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check_client(struct Client *source_p) |
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{ |
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int i; |
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|
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if ((i = verify_access(source_p))) |
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ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]", |
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source_p->name, source_p->sockhost); |
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|
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switch (i) |
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{ |
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case TOO_MANY: |
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sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE, |
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"Too many on IP for %s (%s).", |
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get_client_name(source_p, SHOW_IP), |
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source_p->sockhost); |
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ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.", |
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get_client_name(source_p, SHOW_IP)); |
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++ServerStats.is_ref; |
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exit_client(source_p, "No more connections allowed on that IP"); |
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break; |
237 |
|
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case I_LINE_FULL: |
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sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE, |
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"auth{} block is full for %s (%s).", |
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get_client_name(source_p, SHOW_IP), |
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source_p->sockhost); |
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ilog(LOG_TYPE_IRCD, "Too many connections from %s.", |
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get_client_name(source_p, SHOW_IP)); |
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++ServerStats.is_ref; |
246 |
exit_client(source_p, "No more connections allowed in your connection class"); |
247 |
break; |
248 |
|
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case NOT_AUTHORIZED: |
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++ServerStats.is_ref; |
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/* jdc - lists server name & port connections are on */ |
252 |
/* a purely cosmetical change */ |
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sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE, |
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"Unauthorized client connection from %s [%s] on [%s/%u].", |
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get_client_name(source_p, SHOW_IP), |
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source_p->sockhost, |
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source_p->localClient->listener->name, |
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source_p->localClient->listener->port); |
259 |
ilog(LOG_TYPE_IRCD, |
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"Unauthorized client connection from %s on [%s/%u].", |
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get_client_name(source_p, SHOW_IP), |
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source_p->localClient->listener->name, |
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source_p->localClient->listener->port); |
264 |
|
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exit_client(source_p, "You are not authorized to use this server"); |
266 |
break; |
267 |
|
268 |
case BANNED_CLIENT: |
269 |
exit_client(source_p, "Banned"); |
270 |
++ServerStats.is_ref; |
271 |
break; |
272 |
|
273 |
case 0: |
274 |
default: |
275 |
break; |
276 |
} |
277 |
|
278 |
return (i < 0 ? 0 : 1); |
279 |
} |
280 |
|
281 |
/* verify_access() |
282 |
* |
283 |
* inputs - pointer to client to verify |
284 |
* output - 0 if success -'ve if not |
285 |
* side effect - find the first (best) I line to attach. |
286 |
*/ |
287 |
static int |
288 |
verify_access(struct Client *client_p) |
289 |
{ |
290 |
struct MaskItem *conf = NULL; |
291 |
char non_ident[USERLEN + 1] = "~"; |
292 |
|
293 |
if (IsGotId(client_p)) |
294 |
{ |
295 |
conf = find_address_conf(client_p->host, client_p->username, |
296 |
&client_p->localClient->ip, |
297 |
client_p->localClient->aftype, |
298 |
client_p->localClient->password); |
299 |
} |
300 |
else |
301 |
{ |
302 |
strlcpy(non_ident + 1, client_p->username, sizeof(non_ident) - 1); |
303 |
conf = find_address_conf(client_p->host,non_ident, |
304 |
&client_p->localClient->ip, |
305 |
client_p->localClient->aftype, |
306 |
client_p->localClient->password); |
307 |
} |
308 |
|
309 |
if (conf) |
310 |
{ |
311 |
if (IsConfClient(conf)) |
312 |
{ |
313 |
if (IsConfRedir(conf)) |
314 |
{ |
315 |
sendto_one_numeric(client_p, &me, RPL_REDIR, |
316 |
conf->name ? conf->name : "", |
317 |
conf->port); |
318 |
return NOT_AUTHORIZED; |
319 |
} |
320 |
|
321 |
if (IsConfDoIdentd(conf)) |
322 |
SetNeedId(client_p); |
323 |
|
324 |
/* Thanks for spoof idea amm */ |
325 |
if (IsConfDoSpoofIp(conf)) |
326 |
{ |
327 |
if (!ConfigGeneral.hide_spoof_ips && IsConfSpoofNotice(conf)) |
328 |
sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE, |
329 |
"%s spoofing: %s as %s", |
330 |
client_p->name, client_p->host, conf->name); |
331 |
strlcpy(client_p->host, conf->name, sizeof(client_p->host)); |
332 |
AddFlag(client_p, FLAGS_IP_SPOOFING | FLAGS_AUTH_SPOOF); |
333 |
} |
334 |
|
335 |
return attach_iline(client_p, conf); |
336 |
} |
337 |
else if (IsConfKill(conf) || (ConfigGeneral.glines && IsConfGline(conf))) |
338 |
{ |
339 |
if (IsConfGline(conf)) |
340 |
sendto_one_notice(client_p, &me, ":*** G-lined"); |
341 |
sendto_one_notice(client_p, &me, ":*** Banned: %s", conf->reason); |
342 |
return BANNED_CLIENT; |
343 |
} |
344 |
} |
345 |
|
346 |
return NOT_AUTHORIZED; |
347 |
} |
348 |
|
349 |
/* attach_iline() |
350 |
* |
351 |
* inputs - client pointer |
352 |
* - conf pointer |
353 |
* output - |
354 |
* side effects - do actual attach |
355 |
*/ |
356 |
static int |
357 |
attach_iline(struct Client *client_p, struct MaskItem *conf) |
358 |
{ |
359 |
const struct ClassItem *class = conf->class; |
360 |
struct ip_entry *ip_found; |
361 |
int a_limit_reached = 0; |
362 |
unsigned int local = 0, global = 0, ident = 0; |
363 |
|
364 |
ip_found = ipcache_find_or_add_address(&client_p->localClient->ip); |
365 |
ip_found->count++; |
366 |
AddFlag(client_p, FLAGS_IPHASH); |
367 |
|
368 |
count_user_host(client_p->username, client_p->host, |
369 |
&global, &local, &ident); |
370 |
|
371 |
/* XXX blah. go down checking the various silly limits |
372 |
* setting a_limit_reached if any limit is reached. |
373 |
* - Dianora |
374 |
*/ |
375 |
if (class->max_total && class->ref_count >= class->max_total) |
376 |
a_limit_reached = 1; |
377 |
else if (class->max_perip && ip_found->count > class->max_perip) |
378 |
a_limit_reached = 1; |
379 |
else if (class->max_local && local >= class->max_local) |
380 |
a_limit_reached = 1; |
381 |
else if (class->max_global && global >= class->max_global) |
382 |
a_limit_reached = 1; |
383 |
else if (class->max_ident && ident >= class->max_ident && |
384 |
client_p->username[0] != '~') |
385 |
a_limit_reached = 1; |
386 |
|
387 |
if (a_limit_reached) |
388 |
{ |
389 |
if (!IsConfExemptLimits(conf)) |
390 |
return TOO_MANY; /* Already at maximum allowed */ |
391 |
|
392 |
sendto_one_notice(client_p, &me, ":*** Your connection class is full, " |
393 |
"but you have exceed_limit = yes;"); |
394 |
} |
395 |
|
396 |
return attach_conf(client_p, conf); |
397 |
} |
398 |
|
399 |
/* detach_conf() |
400 |
* |
401 |
* inputs - pointer to client to detach |
402 |
* - type of conf to detach |
403 |
* output - 0 for success, -1 for failure |
404 |
* side effects - Disassociate configuration from the client. |
405 |
* Also removes a class from the list if marked for deleting. |
406 |
*/ |
407 |
void |
408 |
detach_conf(struct Client *client_p, enum maskitem_type type) |
409 |
{ |
410 |
dlink_node *ptr = NULL, *ptr_next = NULL; |
411 |
|
412 |
DLINK_FOREACH_SAFE(ptr, ptr_next, client_p->localClient->confs.head) |
413 |
{ |
414 |
struct MaskItem *conf = ptr->data; |
415 |
|
416 |
assert(conf->type & (CONF_CLIENT | CONF_OPER | CONF_SERVER)); |
417 |
assert(conf->ref_count > 0); |
418 |
assert(conf->class->ref_count > 0); |
419 |
|
420 |
if (!(conf->type & type)) |
421 |
continue; |
422 |
|
423 |
dlinkDelete(ptr, &client_p->localClient->confs); |
424 |
free_dlink_node(ptr); |
425 |
|
426 |
if (conf->type == CONF_CLIENT) |
427 |
remove_from_cidr_check(&client_p->localClient->ip, conf->class); |
428 |
|
429 |
if (--conf->class->ref_count == 0 && conf->class->active == 0) |
430 |
{ |
431 |
class_free(conf->class); |
432 |
conf->class = NULL; |
433 |
} |
434 |
|
435 |
if (--conf->ref_count == 0 && conf->active == 0) |
436 |
conf_free(conf); |
437 |
} |
438 |
} |
439 |
|
440 |
/* attach_conf() |
441 |
* |
442 |
* inputs - client pointer |
443 |
* - conf pointer |
444 |
* output - |
445 |
* side effects - Associate a specific configuration entry to a *local* |
446 |
* client (this is the one which used in accepting the |
447 |
* connection). Note, that this automatically changes the |
448 |
* attachment if there was an old one... |
449 |
*/ |
450 |
int |
451 |
attach_conf(struct Client *client_p, struct MaskItem *conf) |
452 |
{ |
453 |
if (dlinkFind(&client_p->localClient->confs, conf)) |
454 |
return 1; |
455 |
|
456 |
if (conf->type == CONF_CLIENT) |
457 |
if (cidr_limit_reached(IsConfExemptLimits(conf), |
458 |
&client_p->localClient->ip, conf->class)) |
459 |
return TOO_MANY; /* Already at maximum allowed */ |
460 |
|
461 |
conf->class->ref_count++; |
462 |
conf->ref_count++; |
463 |
|
464 |
dlinkAdd(conf, make_dlink_node(), &client_p->localClient->confs); |
465 |
|
466 |
return 0; |
467 |
} |
468 |
|
469 |
/* attach_connect_block() |
470 |
* |
471 |
* inputs - pointer to server to attach |
472 |
* - name of server |
473 |
* - hostname of server |
474 |
* output - true (1) if both are found, otherwise return false (0) |
475 |
* side effects - find connect block and attach them to connecting client |
476 |
*/ |
477 |
int |
478 |
attach_connect_block(struct Client *client_p, const char *name, |
479 |
const char *host) |
480 |
{ |
481 |
dlink_node *ptr; |
482 |
struct MaskItem *conf = NULL; |
483 |
|
484 |
assert(client_p != NULL); |
485 |
assert(host != NULL); |
486 |
|
487 |
if (client_p == NULL || host == NULL) |
488 |
return 0; |
489 |
|
490 |
DLINK_FOREACH(ptr, server_items.head) |
491 |
{ |
492 |
conf = ptr->data; |
493 |
|
494 |
if (match(conf->name, name) || match(conf->host, host)) |
495 |
continue; |
496 |
|
497 |
attach_conf(client_p, conf); |
498 |
return -1; |
499 |
} |
500 |
|
501 |
return 0; |
502 |
} |
503 |
|
504 |
/* find_conf_name() |
505 |
* |
506 |
* inputs - pointer to conf link list to search |
507 |
* - pointer to name to find |
508 |
* - int mask of type of conf to find |
509 |
* output - NULL or pointer to conf found |
510 |
* side effects - find a conf entry which matches the name |
511 |
* and has the given mask. |
512 |
*/ |
513 |
struct MaskItem * |
514 |
find_conf_name(dlink_list *list, const char *name, enum maskitem_type type) |
515 |
{ |
516 |
dlink_node *ptr; |
517 |
struct MaskItem* conf; |
518 |
|
519 |
DLINK_FOREACH(ptr, list->head) |
520 |
{ |
521 |
conf = ptr->data; |
522 |
|
523 |
if (conf->type == type) |
524 |
{ |
525 |
if (conf->name && (!irccmp(conf->name, name) || |
526 |
!match(conf->name, name))) |
527 |
return conf; |
528 |
} |
529 |
} |
530 |
|
531 |
return NULL; |
532 |
} |
533 |
|
534 |
/* map_to_list() |
535 |
* |
536 |
* inputs - ConfType conf |
537 |
* output - pointer to dlink_list to use |
538 |
* side effects - none |
539 |
*/ |
540 |
static dlink_list * |
541 |
map_to_list(enum maskitem_type type) |
542 |
{ |
543 |
switch(type) |
544 |
{ |
545 |
case CONF_XLINE: |
546 |
return(&xconf_items); |
547 |
break; |
548 |
case CONF_ULINE: |
549 |
return(&uconf_items); |
550 |
break; |
551 |
case CONF_NRESV: |
552 |
return(&nresv_items); |
553 |
break; |
554 |
case CONF_CRESV: |
555 |
return(&cresv_items); |
556 |
case CONF_OPER: |
557 |
return(&oconf_items); |
558 |
break; |
559 |
case CONF_SERVER: |
560 |
return(&server_items); |
561 |
break; |
562 |
case CONF_SERVICE: |
563 |
return(&service_items); |
564 |
break; |
565 |
case CONF_CLUSTER: |
566 |
return(&cluster_items); |
567 |
break; |
568 |
default: |
569 |
return NULL; |
570 |
} |
571 |
} |
572 |
|
573 |
/* find_matching_name_conf() |
574 |
* |
575 |
* inputs - type of link list to look in |
576 |
* - pointer to name string to find |
577 |
* - pointer to user |
578 |
* - pointer to host |
579 |
* - optional flags to match on as well |
580 |
* output - NULL or pointer to found struct MaskItem |
581 |
* side effects - looks for a match on name field |
582 |
*/ |
583 |
struct MaskItem * |
584 |
find_matching_name_conf(enum maskitem_type type, const char *name, const char *user, |
585 |
const char *host, unsigned int flags) |
586 |
{ |
587 |
dlink_node *ptr=NULL; |
588 |
struct MaskItem *conf=NULL; |
589 |
dlink_list *list_p = map_to_list(type); |
590 |
|
591 |
switch (type) |
592 |
{ |
593 |
case CONF_SERVICE: |
594 |
DLINK_FOREACH(ptr, list_p->head) |
595 |
{ |
596 |
conf = ptr->data; |
597 |
|
598 |
if (EmptyString(conf->name)) |
599 |
continue; |
600 |
if ((name != NULL) && !irccmp(name, conf->name)) |
601 |
return conf; |
602 |
} |
603 |
break; |
604 |
|
605 |
case CONF_XLINE: |
606 |
case CONF_ULINE: |
607 |
case CONF_NRESV: |
608 |
case CONF_CRESV: |
609 |
DLINK_FOREACH(ptr, list_p->head) |
610 |
{ |
611 |
conf = ptr->data; |
612 |
|
613 |
if (EmptyString(conf->name)) |
614 |
continue; |
615 |
if ((name != NULL) && !match(conf->name, name)) |
616 |
{ |
617 |
if ((user == NULL && (host == NULL))) |
618 |
return conf; |
619 |
if ((conf->flags & flags) != flags) |
620 |
continue; |
621 |
if (EmptyString(conf->user) || EmptyString(conf->host)) |
622 |
return conf; |
623 |
if (!match(conf->user, user) && !match(conf->host, host)) |
624 |
return conf; |
625 |
} |
626 |
} |
627 |
break; |
628 |
|
629 |
case CONF_SERVER: |
630 |
DLINK_FOREACH(ptr, list_p->head) |
631 |
{ |
632 |
conf = ptr->data; |
633 |
|
634 |
if ((name != NULL) && !match(name, conf->name)) |
635 |
return conf; |
636 |
else if ((host != NULL) && !match(host, conf->host)) |
637 |
return conf; |
638 |
} |
639 |
break; |
640 |
|
641 |
default: |
642 |
break; |
643 |
} |
644 |
return NULL; |
645 |
} |
646 |
|
647 |
/* find_exact_name_conf() |
648 |
* |
649 |
* inputs - type of link list to look in |
650 |
* - pointer to name string to find |
651 |
* - pointer to user |
652 |
* - pointer to host |
653 |
* output - NULL or pointer to found struct MaskItem |
654 |
* side effects - looks for an exact match on name field |
655 |
*/ |
656 |
struct MaskItem * |
657 |
find_exact_name_conf(enum maskitem_type type, const struct Client *who, const char *name, |
658 |
const char *user, const char *host) |
659 |
{ |
660 |
dlink_node *ptr = NULL; |
661 |
struct MaskItem *conf; |
662 |
dlink_list *list_p = map_to_list(type); |
663 |
|
664 |
switch(type) |
665 |
{ |
666 |
case CONF_XLINE: |
667 |
case CONF_ULINE: |
668 |
case CONF_NRESV: |
669 |
case CONF_CRESV: |
670 |
|
671 |
DLINK_FOREACH(ptr, list_p->head) |
672 |
{ |
673 |
conf = ptr->data; |
674 |
|
675 |
if (EmptyString(conf->name)) |
676 |
continue; |
677 |
|
678 |
if (irccmp(conf->name, name) == 0) |
679 |
{ |
680 |
if ((user == NULL && (host == NULL))) |
681 |
return conf; |
682 |
if (EmptyString(conf->user) || EmptyString(conf->host)) |
683 |
return conf; |
684 |
if (!match(conf->user, user) && !match(conf->host, host)) |
685 |
return conf; |
686 |
} |
687 |
} |
688 |
break; |
689 |
|
690 |
case CONF_OPER: |
691 |
DLINK_FOREACH(ptr, list_p->head) |
692 |
{ |
693 |
conf = ptr->data; |
694 |
|
695 |
if (EmptyString(conf->name)) |
696 |
continue; |
697 |
|
698 |
if (!irccmp(conf->name, name)) |
699 |
{ |
700 |
if (!who) |
701 |
return conf; |
702 |
if (EmptyString(conf->user) || EmptyString(conf->host)) |
703 |
return NULL; |
704 |
if (!match(conf->user, who->username)) |
705 |
{ |
706 |
switch (conf->htype) |
707 |
{ |
708 |
case HM_HOST: |
709 |
if (!match(conf->host, who->host) || !match(conf->host, who->sockhost)) |
710 |
if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total) |
711 |
return conf; |
712 |
break; |
713 |
case HM_IPV4: |
714 |
if (who->localClient->aftype == AF_INET) |
715 |
if (match_ipv4(&who->localClient->ip, &conf->addr, conf->bits)) |
716 |
if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total) |
717 |
return conf; |
718 |
break; |
719 |
case HM_IPV6: |
720 |
if (who->localClient->aftype == AF_INET6) |
721 |
if (match_ipv6(&who->localClient->ip, &conf->addr, conf->bits)) |
722 |
if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total) |
723 |
return conf; |
724 |
break; |
725 |
default: |
726 |
assert(0); |
727 |
} |
728 |
} |
729 |
} |
730 |
} |
731 |
|
732 |
break; |
733 |
|
734 |
case CONF_SERVER: |
735 |
DLINK_FOREACH(ptr, list_p->head) |
736 |
{ |
737 |
conf = ptr->data; |
738 |
|
739 |
if (EmptyString(conf->name)) |
740 |
continue; |
741 |
|
742 |
if (name == NULL) |
743 |
{ |
744 |
if (EmptyString(conf->host)) |
745 |
continue; |
746 |
if (irccmp(conf->host, host) == 0) |
747 |
return conf; |
748 |
} |
749 |
else if (irccmp(conf->name, name) == 0) |
750 |
return conf; |
751 |
} |
752 |
|
753 |
break; |
754 |
|
755 |
default: |
756 |
break; |
757 |
} |
758 |
|
759 |
return NULL; |
760 |
} |
761 |
|
762 |
/* rehash() |
763 |
* |
764 |
* Actual REHASH service routine. Called with sig == 0 if it has been called |
765 |
* as a result of an operator issuing this command, else assume it has been |
766 |
* called as a result of the server receiving a HUP signal. |
767 |
*/ |
768 |
int |
769 |
rehash(int sig) |
770 |
{ |
771 |
if (sig) |
772 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
773 |
"Got signal SIGHUP, reloading configuration file(s)"); |
774 |
|
775 |
restart_resolver(); |
776 |
|
777 |
/* don't close listeners until we know we can go ahead with the rehash */ |
778 |
|
779 |
read_conf_files(0); |
780 |
|
781 |
if (ConfigServerInfo.description) |
782 |
strlcpy(me.info, ConfigServerInfo.description, sizeof(me.info)); |
783 |
|
784 |
load_conf_modules(); |
785 |
check_conf_klines(); |
786 |
|
787 |
return 0; |
788 |
} |
789 |
|
790 |
/* set_default_conf() |
791 |
* |
792 |
* inputs - NONE |
793 |
* output - NONE |
794 |
* side effects - Set default values here. |
795 |
* This is called **PRIOR** to parsing the |
796 |
* configuration file. If you want to do some validation |
797 |
* of values later, put them in validate_conf(). |
798 |
*/ |
799 |
static void |
800 |
set_default_conf(void) |
801 |
{ |
802 |
/* verify init_class() ran, this should be an unnecessary check |
803 |
* but its not much work. |
804 |
*/ |
805 |
assert(class_default == class_get_list()->tail->data); |
806 |
|
807 |
#ifdef HAVE_LIBCRYPTO |
808 |
ConfigServerInfo.message_digest_algorithm = EVP_sha256(); |
809 |
ConfigServerInfo.rsa_private_key = NULL; |
810 |
ConfigServerInfo.rsa_private_key_file = NULL; |
811 |
#endif |
812 |
|
813 |
/* ConfigServerInfo.name is not rehashable */ |
814 |
/* ConfigServerInfo.name = ConfigServerInfo.name; */ |
815 |
ConfigServerInfo.description = NULL; |
816 |
ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT); |
817 |
ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT); |
818 |
|
819 |
memset(&ConfigServerInfo.ip, 0, sizeof(ConfigServerInfo.ip)); |
820 |
ConfigServerInfo.specific_ipv4_vhost = 0; |
821 |
memset(&ConfigServerInfo.ip6, 0, sizeof(ConfigServerInfo.ip6)); |
822 |
ConfigServerInfo.specific_ipv6_vhost = 0; |
823 |
|
824 |
ConfigServerInfo.max_clients = MAXCLIENTS_MAX; |
825 |
ConfigServerInfo.max_nick_length = 9; |
826 |
ConfigServerInfo.max_topic_length = 80; |
827 |
ConfigServerInfo.hub = 0; |
828 |
|
829 |
ConfigAdminInfo.name = NULL; |
830 |
ConfigAdminInfo.email = NULL; |
831 |
ConfigAdminInfo.description = NULL; |
832 |
|
833 |
log_del_all(); |
834 |
|
835 |
ConfigLog.use_logging = 1; |
836 |
|
837 |
ConfigChannel.disable_fake_channels = 0; |
838 |
ConfigChannel.invite_client_count = 10; |
839 |
ConfigChannel.invite_client_time = 300; |
840 |
ConfigChannel.knock_client_count = 1; |
841 |
ConfigChannel.knock_client_time = 300; |
842 |
ConfigChannel.knock_delay_channel = 60; |
843 |
ConfigChannel.max_channels = 25; |
844 |
ConfigChannel.max_bans = 25; |
845 |
ConfigChannel.default_split_user_count = 0; |
846 |
ConfigChannel.default_split_server_count = 0; |
847 |
ConfigChannel.no_join_on_split = 0; |
848 |
ConfigChannel.no_create_on_split = 0; |
849 |
|
850 |
ConfigServerHide.flatten_links = 0; |
851 |
ConfigServerHide.links_delay = 300; |
852 |
ConfigServerHide.hidden = 0; |
853 |
ConfigServerHide.hide_servers = 0; |
854 |
ConfigServerHide.hide_services = 0; |
855 |
ConfigServerHide.hidden_name = xstrdup(NETWORK_NAME_DEFAULT); |
856 |
ConfigServerHide.hide_server_ips = 0; |
857 |
ConfigServerHide.disable_remote_commands = 0; |
858 |
|
859 |
ConfigGeneral.away_count = 2; |
860 |
ConfigGeneral.away_time = 10; |
861 |
ConfigGeneral.service_name = xstrdup(SERVICE_NAME_DEFAULT); |
862 |
ConfigGeneral.max_watch = WATCHSIZE_DEFAULT; |
863 |
ConfigGeneral.cycle_on_host_change = 1; |
864 |
ConfigGeneral.glines = 0; |
865 |
ConfigGeneral.gline_time = 12 * 3600; |
866 |
ConfigGeneral.gline_request_time = GLINE_REQUEST_EXPIRE_DEFAULT; |
867 |
ConfigGeneral.gline_min_cidr = 16; |
868 |
ConfigGeneral.gline_min_cidr6 = 48; |
869 |
ConfigGeneral.invisible_on_connect = 1; |
870 |
ConfigGeneral.tkline_expire_notices = 1; |
871 |
ConfigGeneral.hide_spoof_ips = 1; |
872 |
ConfigGeneral.ignore_bogus_ts = 0; |
873 |
ConfigGeneral.disable_auth = 0; |
874 |
ConfigGeneral.kill_chase_time_limit = 90; |
875 |
ConfigGeneral.default_floodcount = 8; |
876 |
ConfigGeneral.failed_oper_notice = 1; |
877 |
ConfigGeneral.dots_in_ident = 0; |
878 |
ConfigGeneral.min_nonwildcard = 4; |
879 |
ConfigGeneral.min_nonwildcard_simple = 3; |
880 |
ConfigGeneral.max_accept = 20; |
881 |
ConfigGeneral.anti_nick_flood = 0; |
882 |
ConfigGeneral.max_nick_time = 20; |
883 |
ConfigGeneral.max_nick_changes = 5; |
884 |
ConfigGeneral.anti_spam_exit_message_time = 0; |
885 |
ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT; |
886 |
ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT; |
887 |
ConfigGeneral.warn_no_connect_block = 1; |
888 |
ConfigGeneral.stats_e_disabled = 0; |
889 |
ConfigGeneral.stats_o_oper_only = 0; |
890 |
ConfigGeneral.stats_k_oper_only = 1; /* 1 = masked */ |
891 |
ConfigGeneral.stats_i_oper_only = 1; /* 1 = masked */ |
892 |
ConfigGeneral.stats_P_oper_only = 0; |
893 |
ConfigGeneral.stats_u_oper_only = 0; |
894 |
ConfigGeneral.caller_id_wait = 60; |
895 |
ConfigGeneral.opers_bypass_callerid = 0; |
896 |
ConfigGeneral.pace_wait = 10; |
897 |
ConfigGeneral.pace_wait_simple = 1; |
898 |
ConfigGeneral.short_motd = 0; |
899 |
ConfigGeneral.ping_cookie = 0; |
900 |
ConfigGeneral.no_oper_flood = 0; |
901 |
ConfigGeneral.true_no_oper_flood = 0; |
902 |
ConfigGeneral.oper_pass_resv = 1; |
903 |
ConfigGeneral.max_targets = MAX_TARGETS_DEFAULT; |
904 |
ConfigGeneral.oper_only_umodes = UMODE_DEBUG; |
905 |
ConfigGeneral.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE | UMODE_WALLOP; |
906 |
ConfigGeneral.throttle_count = 1; |
907 |
ConfigGeneral.throttle_time = 1; |
908 |
} |
909 |
|
910 |
static void |
911 |
validate_conf(void) |
912 |
{ |
913 |
if (ConfigGeneral.ts_warn_delta < TS_WARN_DELTA_MIN) |
914 |
ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT; |
915 |
|
916 |
if (ConfigGeneral.ts_max_delta < TS_MAX_DELTA_MIN) |
917 |
ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT; |
918 |
|
919 |
if (ConfigServerInfo.network_name == NULL) |
920 |
ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT); |
921 |
|
922 |
if (ConfigServerInfo.network_desc == NULL) |
923 |
ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT); |
924 |
|
925 |
if (ConfigGeneral.service_name == NULL) |
926 |
ConfigGeneral.service_name = xstrdup(SERVICE_NAME_DEFAULT); |
927 |
|
928 |
ConfigGeneral.max_watch = IRCD_MAX(ConfigGeneral.max_watch, WATCHSIZE_MIN); |
929 |
} |
930 |
|
931 |
/* read_conf() |
932 |
* |
933 |
* inputs - file descriptor pointing to config file to use |
934 |
* output - None |
935 |
* side effects - Read configuration file. |
936 |
*/ |
937 |
static void |
938 |
read_conf(FILE *file) |
939 |
{ |
940 |
lineno = 0; |
941 |
|
942 |
set_default_conf(); /* Set default values prior to conf parsing */ |
943 |
conf_parser_ctx.pass = 1; |
944 |
yyparse(); /* Pick up the classes first */ |
945 |
|
946 |
rewind(file); |
947 |
|
948 |
conf_parser_ctx.pass = 2; |
949 |
yyparse(); /* Load the values from the conf */ |
950 |
validate_conf(); /* Check to make sure some values are still okay. */ |
951 |
/* Some global values are also loaded here. */ |
952 |
class_delete_marked(); /* Delete unused classes that are marked for deletion */ |
953 |
} |
954 |
|
955 |
/* lookup_confhost() |
956 |
* |
957 |
* start DNS lookups of all hostnames in the conf |
958 |
* line and convert an IP addresses in a.b.c.d number for to IP#s. |
959 |
*/ |
960 |
void |
961 |
lookup_confhost(struct MaskItem *conf) |
962 |
{ |
963 |
struct addrinfo hints, *res; |
964 |
|
965 |
/* |
966 |
* Do name lookup now on hostnames given and store the |
967 |
* ip numbers in conf structure. |
968 |
*/ |
969 |
memset(&hints, 0, sizeof(hints)); |
970 |
|
971 |
hints.ai_family = AF_UNSPEC; |
972 |
hints.ai_socktype = SOCK_STREAM; |
973 |
|
974 |
/* Get us ready for a bind() and don't bother doing dns lookup */ |
975 |
hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; |
976 |
|
977 |
if (getaddrinfo(conf->host, NULL, &hints, &res)) |
978 |
{ |
979 |
conf_dns_lookup(conf); |
980 |
return; |
981 |
} |
982 |
|
983 |
assert(res); |
984 |
|
985 |
memcpy(&conf->addr, res->ai_addr, res->ai_addrlen); |
986 |
conf->addr.ss_len = res->ai_addrlen; |
987 |
conf->addr.ss.ss_family = res->ai_family; |
988 |
|
989 |
freeaddrinfo(res); |
990 |
} |
991 |
|
992 |
/* conf_connect_allowed() |
993 |
* |
994 |
* inputs - pointer to inaddr |
995 |
* - int type ipv4 or ipv6 |
996 |
* output - BANNED or accepted |
997 |
* side effects - none |
998 |
*/ |
999 |
int |
1000 |
conf_connect_allowed(struct irc_ssaddr *addr, int aftype) |
1001 |
{ |
1002 |
struct ip_entry *ip_found = NULL; |
1003 |
struct MaskItem *conf = find_dline_conf(addr, aftype); |
1004 |
|
1005 |
/* DLINE exempt also gets you out of static limits/pacing... */ |
1006 |
if (conf && (conf->type == CONF_EXEMPT)) |
1007 |
return 0; |
1008 |
|
1009 |
if (conf) |
1010 |
return BANNED_CLIENT; |
1011 |
|
1012 |
ip_found = ipcache_find_or_add_address(addr); |
1013 |
|
1014 |
if ((CurrentTime - ip_found->last_attempt) < ConfigGeneral.throttle_time) |
1015 |
{ |
1016 |
if (ip_found->connection_count >= ConfigGeneral.throttle_count) |
1017 |
return TOO_FAST; |
1018 |
|
1019 |
++ip_found->connection_count; |
1020 |
} |
1021 |
else |
1022 |
ip_found->connection_count = 1; |
1023 |
|
1024 |
ip_found->last_attempt = CurrentTime; |
1025 |
return 0; |
1026 |
} |
1027 |
|
1028 |
/* cleanup_tklines() |
1029 |
* |
1030 |
* inputs - NONE |
1031 |
* output - NONE |
1032 |
* side effects - call function to expire temporary k/d lines |
1033 |
* This is an event started off in ircd.c |
1034 |
*/ |
1035 |
void |
1036 |
cleanup_tklines(void *unused) |
1037 |
{ |
1038 |
hostmask_expire_temporary(); |
1039 |
expire_tklines(&xconf_items); |
1040 |
expire_tklines(&nresv_items); |
1041 |
expire_tklines(&cresv_items); |
1042 |
} |
1043 |
|
1044 |
/* expire_tklines() |
1045 |
* |
1046 |
* inputs - tkline list pointer |
1047 |
* output - NONE |
1048 |
* side effects - expire tklines |
1049 |
*/ |
1050 |
static void |
1051 |
expire_tklines(dlink_list *tklist) |
1052 |
{ |
1053 |
dlink_node *ptr = NULL, *ptr_next = NULL; |
1054 |
struct MaskItem *conf = NULL; |
1055 |
|
1056 |
DLINK_FOREACH_SAFE(ptr, ptr_next, tklist->head) |
1057 |
{ |
1058 |
conf = ptr->data; |
1059 |
|
1060 |
if (!conf->until || conf->until > CurrentTime) |
1061 |
continue; |
1062 |
|
1063 |
if (conf->type == CONF_XLINE) |
1064 |
{ |
1065 |
if (ConfigGeneral.tkline_expire_notices) |
1066 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1067 |
"Temporary X-line for [%s] expired", conf->name); |
1068 |
conf_free(conf); |
1069 |
} |
1070 |
else if (conf->type == CONF_NRESV || conf->type == CONF_CRESV) |
1071 |
{ |
1072 |
if (ConfigGeneral.tkline_expire_notices) |
1073 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1074 |
"Temporary RESV for [%s] expired", conf->name); |
1075 |
conf_free(conf); |
1076 |
} |
1077 |
} |
1078 |
} |
1079 |
|
1080 |
/* oper_privs_as_string() |
1081 |
* |
1082 |
* inputs - pointer to client_p |
1083 |
* output - pointer to static string showing oper privs |
1084 |
* side effects - return as string, the oper privs as derived from port |
1085 |
*/ |
1086 |
static const struct oper_privs |
1087 |
{ |
1088 |
const unsigned int flag; |
1089 |
const unsigned char c; |
1090 |
} flag_list[] = { |
1091 |
{ OPER_FLAG_ADMIN, 'A' }, |
1092 |
{ OPER_FLAG_REMOTEBAN, 'B' }, |
1093 |
{ OPER_FLAG_DIE, 'D' }, |
1094 |
{ OPER_FLAG_GLINE, 'G' }, |
1095 |
{ OPER_FLAG_REHASH, 'H' }, |
1096 |
{ OPER_FLAG_KLINE, 'K' }, |
1097 |
{ OPER_FLAG_KILL, 'N' }, |
1098 |
{ OPER_FLAG_KILL_REMOTE, 'O' }, |
1099 |
{ OPER_FLAG_CONNECT, 'P' }, |
1100 |
{ OPER_FLAG_CONNECT_REMOTE, 'Q' }, |
1101 |
{ OPER_FLAG_SQUIT, 'R' }, |
1102 |
{ OPER_FLAG_SQUIT_REMOTE, 'S' }, |
1103 |
{ OPER_FLAG_UNKLINE, 'U' }, |
1104 |
{ OPER_FLAG_XLINE, 'X' }, |
1105 |
{ 0, '\0' } |
1106 |
}; |
1107 |
|
1108 |
char * |
1109 |
oper_privs_as_string(const unsigned int port) |
1110 |
{ |
1111 |
static char privs_out[IRCD_BUFSIZE]; |
1112 |
char *privs_ptr = privs_out; |
1113 |
|
1114 |
for (const struct oper_privs *opriv = flag_list; opriv->flag; ++opriv) |
1115 |
{ |
1116 |
if (port & opriv->flag) |
1117 |
*privs_ptr++ = opriv->c; |
1118 |
else |
1119 |
*privs_ptr++ = ToLower(opriv->c); |
1120 |
} |
1121 |
|
1122 |
*privs_ptr = '\0'; |
1123 |
|
1124 |
return privs_out; |
1125 |
} |
1126 |
|
1127 |
/* |
1128 |
* Input: A client to find the active operator {} name for. |
1129 |
* Output: The nick!user@host{oper} of the oper. |
1130 |
* "oper" is server name for remote opers |
1131 |
* Side effects: None. |
1132 |
*/ |
1133 |
const char * |
1134 |
get_oper_name(const struct Client *client_p) |
1135 |
{ |
1136 |
const dlink_node *cnode = NULL; |
1137 |
/* +5 for !,@,{,} and null */ |
1138 |
static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5]; |
1139 |
|
1140 |
if (MyConnect(client_p)) |
1141 |
{ |
1142 |
if ((cnode = client_p->localClient->confs.head)) |
1143 |
{ |
1144 |
const struct MaskItem *conf = cnode->data; |
1145 |
|
1146 |
if (IsConfOperator(conf)) |
1147 |
{ |
1148 |
snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name, |
1149 |
client_p->username, client_p->host, conf->name); |
1150 |
return buffer; |
1151 |
} |
1152 |
} |
1153 |
|
1154 |
/* |
1155 |
* Probably should assert here for now. If there is an oper out there |
1156 |
* with no operator {} conf attached, it would be good for us to know... |
1157 |
*/ |
1158 |
assert(0); /* Oper without oper conf! */ |
1159 |
} |
1160 |
|
1161 |
snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name, |
1162 |
client_p->username, client_p->host, client_p->servptr->name); |
1163 |
return buffer; |
1164 |
} |
1165 |
|
1166 |
/* read_conf_files() |
1167 |
* |
1168 |
* inputs - cold start YES or NO |
1169 |
* output - none |
1170 |
* side effects - read all conf files needed, ircd.conf kline.conf etc. |
1171 |
*/ |
1172 |
void |
1173 |
read_conf_files(int cold) |
1174 |
{ |
1175 |
const char *filename = NULL; |
1176 |
char chanmodes[IRCD_BUFSIZE] = ""; |
1177 |
char chanlimit[IRCD_BUFSIZE] = ""; |
1178 |
|
1179 |
conf_parser_ctx.boot = cold; |
1180 |
filename = ConfigGeneral.configfile; |
1181 |
|
1182 |
/* We need to know the initial filename for the yyerror() to report |
1183 |
FIXME: The full path is in conffilenamebuf first time since we |
1184 |
don't know anything else |
1185 |
|
1186 |
- Gozem 2002-07-21 |
1187 |
*/ |
1188 |
strlcpy(conffilebuf, filename, sizeof(conffilebuf)); |
1189 |
|
1190 |
if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL) |
1191 |
{ |
1192 |
if (cold) |
1193 |
{ |
1194 |
ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s", |
1195 |
filename, strerror(errno)); |
1196 |
exit(-1); |
1197 |
} |
1198 |
else |
1199 |
{ |
1200 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1201 |
"Unable to read configuration file '%s': %s", |
1202 |
filename, strerror(errno)); |
1203 |
return; |
1204 |
} |
1205 |
} |
1206 |
|
1207 |
if (!cold) |
1208 |
clear_out_old_conf(); |
1209 |
|
1210 |
read_conf(conf_parser_ctx.conf_file); |
1211 |
fclose(conf_parser_ctx.conf_file); |
1212 |
|
1213 |
log_reopen_all(); |
1214 |
|
1215 |
add_isupport("NICKLEN", NULL, ConfigServerInfo.max_nick_length); |
1216 |
add_isupport("NETWORK", ConfigServerInfo.network_name, -1); |
1217 |
|
1218 |
snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans); |
1219 |
add_isupport("MAXLIST", chanmodes, -1); |
1220 |
add_isupport("MAXTARGETS", NULL, ConfigGeneral.max_targets); |
1221 |
add_isupport("CHANTYPES", "#", -1); |
1222 |
|
1223 |
snprintf(chanlimit, sizeof(chanlimit), "#:%d", |
1224 |
ConfigChannel.max_channels); |
1225 |
add_isupport("CHANLIMIT", chanlimit, -1); |
1226 |
snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,cimnprstMORS"); |
1227 |
add_isupport("CHANNELLEN", NULL, CHANNELLEN); |
1228 |
add_isupport("TOPICLEN", NULL, ConfigServerInfo.max_topic_length); |
1229 |
add_isupport("CHANMODES", chanmodes, -1); |
1230 |
|
1231 |
/* |
1232 |
* message_locale may have changed. rebuild isupport since it relies |
1233 |
* on strlen(form_str(RPL_ISUPPORT)) |
1234 |
*/ |
1235 |
rebuild_isupport_message_line(); |
1236 |
} |
1237 |
|
1238 |
/* clear_out_old_conf() |
1239 |
* |
1240 |
* inputs - none |
1241 |
* output - none |
1242 |
* side effects - Clear out the old configuration |
1243 |
*/ |
1244 |
static void |
1245 |
clear_out_old_conf(void) |
1246 |
{ |
1247 |
dlink_node *ptr = NULL, *next_ptr = NULL; |
1248 |
struct MaskItem *conf; |
1249 |
dlink_list *free_items [] = { |
1250 |
&server_items, &oconf_items, |
1251 |
&uconf_items, &xconf_items, |
1252 |
&nresv_items, &cluster_items, &service_items, &cresv_items, NULL |
1253 |
}; |
1254 |
|
1255 |
dlink_list ** iterator = free_items; /* C is dumb */ |
1256 |
|
1257 |
/* We only need to free anything allocated by yyparse() here. |
1258 |
* Resetting structs, etc, is taken care of by set_default_conf(). |
1259 |
*/ |
1260 |
|
1261 |
for (; *iterator != NULL; iterator++) |
1262 |
{ |
1263 |
DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head) |
1264 |
{ |
1265 |
conf = ptr->data; |
1266 |
|
1267 |
dlinkDelete(&conf->node, map_to_list(conf->type)); |
1268 |
|
1269 |
/* XXX This is less than pretty */ |
1270 |
if (conf->type == CONF_SERVER || conf->type == CONF_OPER) |
1271 |
{ |
1272 |
if (!conf->ref_count) |
1273 |
conf_free(conf); |
1274 |
} |
1275 |
else if (conf->type == CONF_XLINE) |
1276 |
{ |
1277 |
if (!conf->until) |
1278 |
conf_free(conf); |
1279 |
} |
1280 |
else |
1281 |
conf_free(conf); |
1282 |
} |
1283 |
} |
1284 |
|
1285 |
motd_clear(); |
1286 |
|
1287 |
/* |
1288 |
* don't delete the class table, rather mark all entries |
1289 |
* for deletion. The table is cleaned up by class_delete_marked. - avalon |
1290 |
*/ |
1291 |
class_mark_for_deletion(); |
1292 |
|
1293 |
clear_out_address_conf(); |
1294 |
|
1295 |
/* clean out module paths */ |
1296 |
mod_clear_paths(); |
1297 |
|
1298 |
/* clean out ConfigServerInfo */ |
1299 |
MyFree(ConfigServerInfo.description); |
1300 |
ConfigServerInfo.description = NULL; |
1301 |
MyFree(ConfigServerInfo.network_name); |
1302 |
ConfigServerInfo.network_name = NULL; |
1303 |
MyFree(ConfigServerInfo.network_desc); |
1304 |
ConfigServerInfo.network_desc = NULL; |
1305 |
#ifdef HAVE_LIBCRYPTO |
1306 |
if (ConfigServerInfo.rsa_private_key) |
1307 |
{ |
1308 |
RSA_free(ConfigServerInfo.rsa_private_key); |
1309 |
ConfigServerInfo.rsa_private_key = NULL; |
1310 |
} |
1311 |
|
1312 |
MyFree(ConfigServerInfo.rsa_private_key_file); |
1313 |
ConfigServerInfo.rsa_private_key_file = NULL; |
1314 |
#endif |
1315 |
|
1316 |
/* clean out ConfigAdminInfo */ |
1317 |
MyFree(ConfigAdminInfo.name); |
1318 |
ConfigAdminInfo.name = NULL; |
1319 |
MyFree(ConfigAdminInfo.email); |
1320 |
ConfigAdminInfo.email = NULL; |
1321 |
MyFree(ConfigAdminInfo.description); |
1322 |
ConfigAdminInfo.description = NULL; |
1323 |
|
1324 |
/* clean out listeners */ |
1325 |
close_listeners(); |
1326 |
|
1327 |
/* clean out general */ |
1328 |
MyFree(ConfigGeneral.service_name); |
1329 |
ConfigGeneral.service_name = NULL; |
1330 |
} |
1331 |
|
1332 |
/* conf_add_class_to_conf() |
1333 |
* |
1334 |
* inputs - pointer to config item |
1335 |
* output - NONE |
1336 |
* side effects - Add a class pointer to a conf |
1337 |
*/ |
1338 |
void |
1339 |
conf_add_class_to_conf(struct MaskItem *conf, const char *class_name) |
1340 |
{ |
1341 |
if (class_name == NULL) |
1342 |
{ |
1343 |
conf->class = class_default; |
1344 |
|
1345 |
if (conf->type == CONF_CLIENT) |
1346 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1347 |
"Warning *** Defaulting to default class for %s@%s", |
1348 |
conf->user, conf->host); |
1349 |
else |
1350 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1351 |
"Warning *** Defaulting to default class for %s", |
1352 |
conf->name); |
1353 |
} |
1354 |
else |
1355 |
conf->class = class_find(class_name, 1); |
1356 |
|
1357 |
if (conf->class == NULL) |
1358 |
{ |
1359 |
if (conf->type == CONF_CLIENT) |
1360 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1361 |
"Warning *** Defaulting to default class for %s@%s", |
1362 |
conf->user, conf->host); |
1363 |
else |
1364 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1365 |
"Warning *** Defaulting to default class for %s", |
1366 |
conf->name); |
1367 |
conf->class = class_default; |
1368 |
} |
1369 |
} |
1370 |
|
1371 |
/* yyerror() |
1372 |
* |
1373 |
* inputs - message from parser |
1374 |
* output - NONE |
1375 |
* side effects - message to opers and log file entry is made |
1376 |
*/ |
1377 |
void |
1378 |
yyerror(const char *msg) |
1379 |
{ |
1380 |
char newlinebuf[IRCD_BUFSIZE]; |
1381 |
|
1382 |
if (conf_parser_ctx.pass != 1) |
1383 |
return; |
1384 |
|
1385 |
strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf)); |
1386 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1387 |
"\"%s\", line %u: %s: %s", |
1388 |
conffilebuf, lineno + 1, msg, newlinebuf); |
1389 |
ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s", |
1390 |
conffilebuf, lineno + 1, msg, newlinebuf); |
1391 |
} |
1392 |
|
1393 |
void |
1394 |
conf_error_report(const char *msg) |
1395 |
{ |
1396 |
char newlinebuf[IRCD_BUFSIZE]; |
1397 |
|
1398 |
strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf)); |
1399 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
1400 |
"\"%s\", line %u: %s: %s", |
1401 |
conffilebuf, lineno + 1, msg, newlinebuf); |
1402 |
ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s", |
1403 |
conffilebuf, lineno + 1, msg, newlinebuf); |
1404 |
} |
1405 |
|
1406 |
/* |
1407 |
* valid_tkline() |
1408 |
* |
1409 |
* inputs - pointer to ascii string to check |
1410 |
* - whether the specified time is in seconds or minutes |
1411 |
* output - -1 not enough parameters |
1412 |
* - 0 if not an integer number, else the number |
1413 |
* side effects - none |
1414 |
* Originally written by Dianora (Diane, db@db.net) |
1415 |
*/ |
1416 |
time_t |
1417 |
valid_tkline(const char *data, const int minutes) |
1418 |
{ |
1419 |
const unsigned char *p = (const unsigned char *)data; |
1420 |
unsigned char tmpch = '\0'; |
1421 |
time_t result = 0; |
1422 |
|
1423 |
while ((tmpch = *p++)) |
1424 |
{ |
1425 |
if (!IsDigit(tmpch)) |
1426 |
return 0; |
1427 |
|
1428 |
result *= 10; |
1429 |
result += (tmpch & 0xF); |
1430 |
} |
1431 |
|
1432 |
/* |
1433 |
* In the degenerate case where oper does a /quote kline 0 user@host :reason |
1434 |
* i.e. they specifically use 0, I am going to return 1 instead |
1435 |
* as a return value of non-zero is used to flag it as a temporary kline |
1436 |
*/ |
1437 |
if (result == 0) |
1438 |
result = 1; |
1439 |
|
1440 |
/* |
1441 |
* If the incoming time is in seconds convert it to minutes for the purpose |
1442 |
* of this calculation |
1443 |
*/ |
1444 |
if (!minutes) |
1445 |
result = result / 60; |
1446 |
|
1447 |
if (result > MAX_TDKLINE_TIME) |
1448 |
result = MAX_TDKLINE_TIME; |
1449 |
|
1450 |
result = result * 60; /* turn it into seconds */ |
1451 |
|
1452 |
return result; |
1453 |
} |
1454 |
|
1455 |
/* valid_wild_card_simple() |
1456 |
* |
1457 |
* inputs - data to check for sufficient non-wildcard characters |
1458 |
* outputs - 1 if valid, else 0 |
1459 |
* side effects - none |
1460 |
*/ |
1461 |
int |
1462 |
valid_wild_card_simple(const char *data) |
1463 |
{ |
1464 |
const unsigned char *p = (const unsigned char *)data; |
1465 |
unsigned char tmpch = '\0'; |
1466 |
unsigned int nonwild = 0; |
1467 |
|
1468 |
while ((tmpch = *p++)) |
1469 |
{ |
1470 |
if (tmpch == '\\' && *p) |
1471 |
{ |
1472 |
++p; |
1473 |
if (++nonwild >= ConfigGeneral.min_nonwildcard_simple) |
1474 |
return 1; |
1475 |
} |
1476 |
else if (!IsMWildChar(tmpch)) |
1477 |
{ |
1478 |
if (++nonwild >= ConfigGeneral.min_nonwildcard_simple) |
1479 |
return 1; |
1480 |
} |
1481 |
} |
1482 |
|
1483 |
return 0; |
1484 |
} |
1485 |
|
1486 |
/* valid_wild_card() |
1487 |
* |
1488 |
* input - pointer to client |
1489 |
* - int flag, 0 for no warning oper 1 for warning oper |
1490 |
* - count of following varargs to check |
1491 |
* output - 0 if not valid, 1 if valid |
1492 |
* side effects - NOTICE is given to source_p if warn is 1 |
1493 |
*/ |
1494 |
int |
1495 |
valid_wild_card(struct Client *source_p, int warn, int count, ...) |
1496 |
{ |
1497 |
unsigned char tmpch = '\0'; |
1498 |
unsigned int nonwild = 0; |
1499 |
va_list args; |
1500 |
|
1501 |
/* |
1502 |
* Now we must check the user and host to make sure there |
1503 |
* are at least NONWILDCHARS non-wildcard characters in |
1504 |
* them, otherwise assume they are attempting to kline |
1505 |
* *@* or some variant of that. This code will also catch |
1506 |
* people attempting to kline *@*.tld, as long as NONWILDCHARS |
1507 |
* is greater than 3. In that case, there are only 3 non-wild |
1508 |
* characters (tld), so if NONWILDCHARS is 4, the kline will |
1509 |
* be disallowed. |
1510 |
* -wnder |
1511 |
*/ |
1512 |
|
1513 |
va_start(args, count); |
1514 |
|
1515 |
while (count--) |
1516 |
{ |
1517 |
const unsigned char *p = va_arg(args, const unsigned char *); |
1518 |
if (p == NULL) |
1519 |
continue; |
1520 |
|
1521 |
while ((tmpch = *p++)) |
1522 |
{ |
1523 |
if (!IsKWildChar(tmpch)) |
1524 |
{ |
1525 |
/* |
1526 |
* If we find enough non-wild characters, we can |
1527 |
* break - no point in searching further. |
1528 |
*/ |
1529 |
if (++nonwild >= ConfigGeneral.min_nonwildcard) |
1530 |
{ |
1531 |
va_end(args); |
1532 |
return 1; |
1533 |
} |
1534 |
} |
1535 |
} |
1536 |
} |
1537 |
|
1538 |
if (warn) |
1539 |
sendto_one_notice(source_p, &me, |
1540 |
":Please include at least %u non-wildcard characters with the mask", |
1541 |
ConfigGeneral.min_nonwildcard); |
1542 |
va_end(args); |
1543 |
return 0; |
1544 |
} |
1545 |
|
1546 |
/* XXX should this go into a separate file ? -Dianora */ |
1547 |
/* parse_aline |
1548 |
* |
1549 |
* input - pointer to cmd name being used |
1550 |
* - pointer to client using cmd |
1551 |
* - parc parameter count |
1552 |
* - parv[] list of parameters to parse |
1553 |
* - parse_flags bit map of things to test |
1554 |
* - pointer to user or string to parse into |
1555 |
* - pointer to host or NULL to parse into if non NULL |
1556 |
* - pointer to optional tkline time or NULL |
1557 |
* - pointer to target_server to parse into if non NULL |
1558 |
* - pointer to reason to parse into |
1559 |
* |
1560 |
* output - 1 if valid, -1 if not valid |
1561 |
* side effects - A generalised k/d/x etc. line parser, |
1562 |
* "ALINE [time] user@host|string [ON] target :reason" |
1563 |
* will parse returning a parsed user, host if |
1564 |
* h_p pointer is non NULL, string otherwise. |
1565 |
* if tkline_time pointer is non NULL a tk line will be set |
1566 |
* to non zero if found. |
1567 |
* if tkline_time pointer is NULL and tk line is found, |
1568 |
* error is reported. |
1569 |
* if target_server is NULL and an "ON" is found error |
1570 |
* is reported. |
1571 |
* if reason pointer is NULL ignore pointer, |
1572 |
* this allows use of parse_a_line in unkline etc. |
1573 |
* |
1574 |
* - Dianora |
1575 |
*/ |
1576 |
int |
1577 |
parse_aline(const char *cmd, struct Client *source_p, |
1578 |
int parc, char **parv, |
1579 |
int parse_flags, char **up_p, char **h_p, time_t *tkline_time, |
1580 |
char **target_server, char **reason) |
1581 |
{ |
1582 |
int found_tkline_time=0; |
1583 |
static char def_reason[] = CONF_NOREASON; |
1584 |
static char user[USERLEN*4+1]; |
1585 |
static char host[HOSTLEN*4+1]; |
1586 |
|
1587 |
parv++; |
1588 |
parc--; |
1589 |
|
1590 |
found_tkline_time = valid_tkline(*parv, TK_MINUTES); |
1591 |
|
1592 |
if (found_tkline_time != 0) |
1593 |
{ |
1594 |
parv++; |
1595 |
parc--; |
1596 |
|
1597 |
if (tkline_time != NULL) |
1598 |
*tkline_time = found_tkline_time; |
1599 |
else |
1600 |
{ |
1601 |
sendto_one_notice(source_p, &me, ":temp_line not supported by %s", cmd); |
1602 |
return -1; |
1603 |
} |
1604 |
} |
1605 |
|
1606 |
if (parc == 0) |
1607 |
{ |
1608 |
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd); |
1609 |
return -1; |
1610 |
} |
1611 |
|
1612 |
if (h_p == NULL) |
1613 |
*up_p = *parv; |
1614 |
else |
1615 |
{ |
1616 |
if (find_user_host(source_p, *parv, user, host, parse_flags) == 0) |
1617 |
return -1; |
1618 |
|
1619 |
*up_p = user; |
1620 |
*h_p = host; |
1621 |
} |
1622 |
|
1623 |
parc--; |
1624 |
parv++; |
1625 |
|
1626 |
if (parc != 0) |
1627 |
{ |
1628 |
if (irccmp(*parv, "ON") == 0) |
1629 |
{ |
1630 |
parc--; |
1631 |
parv++; |
1632 |
|
1633 |
if (target_server == NULL) |
1634 |
{ |
1635 |
sendto_one_notice(source_p, &me, ":ON server not supported by %s", cmd); |
1636 |
return -1; |
1637 |
} |
1638 |
|
1639 |
if (!HasOFlag(source_p, OPER_FLAG_REMOTEBAN)) |
1640 |
{ |
1641 |
sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "remoteban"); |
1642 |
return -1; |
1643 |
} |
1644 |
|
1645 |
if (parc == 0 || EmptyString(*parv)) |
1646 |
{ |
1647 |
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd); |
1648 |
return -1; |
1649 |
} |
1650 |
|
1651 |
*target_server = *parv; |
1652 |
parc--; |
1653 |
parv++; |
1654 |
} |
1655 |
else |
1656 |
{ |
1657 |
/* Make sure target_server *is* NULL if no ON server found |
1658 |
* caller probably NULL'd it first, but no harm to do it again -db |
1659 |
*/ |
1660 |
if (target_server != NULL) |
1661 |
*target_server = NULL; |
1662 |
} |
1663 |
} |
1664 |
|
1665 |
if (h_p != NULL) |
1666 |
{ |
1667 |
if (strchr(user, '!') != NULL) |
1668 |
{ |
1669 |
sendto_one_notice(source_p, &me, ":Invalid character '!' in kline"); |
1670 |
return -1; |
1671 |
} |
1672 |
|
1673 |
if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 2, *up_p, *h_p)) |
1674 |
return -1; |
1675 |
} |
1676 |
else |
1677 |
if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 1, *up_p)) |
1678 |
return -1; |
1679 |
|
1680 |
if (reason != NULL) |
1681 |
{ |
1682 |
if (parc != 0 && !EmptyString(*parv)) |
1683 |
{ |
1684 |
*reason = *parv; |
1685 |
if (!valid_comment(source_p, *reason, 1)) |
1686 |
return -1; |
1687 |
} |
1688 |
else |
1689 |
*reason = def_reason; |
1690 |
} |
1691 |
|
1692 |
return 1; |
1693 |
} |
1694 |
|
1695 |
/* find_user_host() |
1696 |
* |
1697 |
* inputs - pointer to client placing kline |
1698 |
* - pointer to user_host_or_nick |
1699 |
* - pointer to user buffer |
1700 |
* - pointer to host buffer |
1701 |
* output - 0 if not ok to kline, 1 to kline i.e. if valid user host |
1702 |
* side effects - |
1703 |
*/ |
1704 |
static int |
1705 |
find_user_host(struct Client *source_p, char *user_host_or_nick, |
1706 |
char *luser, char *lhost, unsigned int flags) |
1707 |
{ |
1708 |
struct Client *target_p = NULL; |
1709 |
char *hostp = NULL; |
1710 |
|
1711 |
if (lhost == NULL) |
1712 |
{ |
1713 |
strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); |
1714 |
return 1; |
1715 |
} |
1716 |
|
1717 |
if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*') |
1718 |
{ |
1719 |
/* Explicit user@host mask given */ |
1720 |
|
1721 |
if (hostp != NULL) /* I'm a little user@host */ |
1722 |
{ |
1723 |
*(hostp++) = '\0'; /* short and squat */ |
1724 |
if (*user_host_or_nick) |
1725 |
strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */ |
1726 |
else |
1727 |
strcpy(luser, "*"); |
1728 |
|
1729 |
if (*hostp) |
1730 |
strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */ |
1731 |
else |
1732 |
strcpy(lhost, "*"); |
1733 |
} |
1734 |
else |
1735 |
{ |
1736 |
luser[0] = '*'; /* no @ found, assume its *@somehost */ |
1737 |
luser[1] = '\0'; |
1738 |
strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1); |
1739 |
} |
1740 |
|
1741 |
return 1; |
1742 |
} |
1743 |
else |
1744 |
{ |
1745 |
/* Try to find user@host mask from nick */ |
1746 |
/* Okay to use source_p as the first param, because source_p == client_p */ |
1747 |
if ((target_p = |
1748 |
find_chasing(source_p, user_host_or_nick)) == NULL) |
1749 |
return 0; /* find_chasing sends ERR_NOSUCHNICK */ |
1750 |
|
1751 |
if (IsExemptKline(target_p)) |
1752 |
{ |
1753 |
if (!IsServer(source_p)) |
1754 |
sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name); |
1755 |
return 0; |
1756 |
} |
1757 |
|
1758 |
/* |
1759 |
* turn the "user" bit into "*user", blow away '~' |
1760 |
* if found in original user name (non-idented) |
1761 |
*/ |
1762 |
strlcpy(luser, target_p->username, USERLEN*4 + 1); |
1763 |
|
1764 |
if (target_p->username[0] == '~') |
1765 |
luser[0] = '*'; |
1766 |
|
1767 |
if (target_p->sockhost[0] == '\0' || |
1768 |
(target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0')) |
1769 |
strlcpy(lhost, target_p->host, HOSTLEN*4 + 1); |
1770 |
else |
1771 |
strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1); |
1772 |
return 1; |
1773 |
} |
1774 |
|
1775 |
return 0; |
1776 |
} |
1777 |
|
1778 |
/* valid_comment() |
1779 |
* |
1780 |
* inputs - pointer to client |
1781 |
* - pointer to comment |
1782 |
* output - 0 if no valid comment, |
1783 |
* - 1 if valid |
1784 |
* side effects - truncates reason where necessary |
1785 |
*/ |
1786 |
int |
1787 |
valid_comment(struct Client *source_p, char *comment, int warn) |
1788 |
{ |
1789 |
if (strlen(comment) > REASONLEN) |
1790 |
comment[REASONLEN-1] = '\0'; |
1791 |
|
1792 |
return 1; |
1793 |
} |
1794 |
|
1795 |
/* match_conf_password() |
1796 |
* |
1797 |
* inputs - pointer to given password |
1798 |
* - pointer to Conf |
1799 |
* output - 1 or 0 if match |
1800 |
* side effects - none |
1801 |
*/ |
1802 |
int |
1803 |
match_conf_password(const char *password, const struct MaskItem *conf) |
1804 |
{ |
1805 |
const char *encr = NULL; |
1806 |
|
1807 |
if (EmptyString(password) || EmptyString(conf->passwd)) |
1808 |
return 0; |
1809 |
|
1810 |
if (conf->flags & CONF_FLAGS_ENCRYPTED) |
1811 |
encr = crypt(password, conf->passwd); |
1812 |
else |
1813 |
encr = password; |
1814 |
|
1815 |
return encr && !strcmp(encr, conf->passwd); |
1816 |
} |
1817 |
|
1818 |
/* |
1819 |
* cluster_a_line |
1820 |
* |
1821 |
* inputs - client sending the cluster |
1822 |
* - command name "KLINE" "XLINE" etc. |
1823 |
* - capab -- CAP_KLN etc. from server.h |
1824 |
* - cluster type -- CLUSTER_KLINE etc. from conf.h |
1825 |
* - pattern and args to send along |
1826 |
* output - none |
1827 |
* side effects - Take source_p send the pattern with args given |
1828 |
* along to all servers that match capab and cluster type |
1829 |
*/ |
1830 |
void |
1831 |
cluster_a_line(struct Client *source_p, const char *command, |
1832 |
int capab, int cluster_type, const char *pattern, ...) |
1833 |
{ |
1834 |
va_list args; |
1835 |
char buffer[IRCD_BUFSIZE] = ""; |
1836 |
const dlink_node *ptr = NULL; |
1837 |
|
1838 |
va_start(args, pattern); |
1839 |
vsnprintf(buffer, sizeof(buffer), pattern, args); |
1840 |
va_end(args); |
1841 |
|
1842 |
DLINK_FOREACH(ptr, cluster_items.head) |
1843 |
{ |
1844 |
const struct MaskItem *conf = ptr->data; |
1845 |
|
1846 |
if (conf->flags & cluster_type) |
1847 |
sendto_match_servs(source_p, conf->name, CAP_CLUSTER|capab, |
1848 |
"%s %s %s", command, conf->name, buffer); |
1849 |
} |
1850 |
} |
1851 |
|
1852 |
/* |
1853 |
* split_nuh |
1854 |
* |
1855 |
* inputs - pointer to original mask (modified in place) |
1856 |
* - pointer to pointer where nick should go |
1857 |
* - pointer to pointer where user should go |
1858 |
* - pointer to pointer where host should go |
1859 |
* output - NONE |
1860 |
* side effects - mask is modified in place |
1861 |
* If nick pointer is NULL, ignore writing to it |
1862 |
* this allows us to use this function elsewhere. |
1863 |
* |
1864 |
* mask nick user host |
1865 |
* ---------------------- ------- ------- ------ |
1866 |
* Dianora!db@db.net Dianora db db.net |
1867 |
* Dianora Dianora * * |
1868 |
* db.net * * db.net |
1869 |
* OR if nick pointer is NULL |
1870 |
* Dianora - * Dianora |
1871 |
* Dianora! Dianora * * |
1872 |
* Dianora!@ Dianora * * |
1873 |
* Dianora!db Dianora db * |
1874 |
* Dianora!@db.net Dianora * db.net |
1875 |
* db@db.net * db db.net |
1876 |
* !@ * * * |
1877 |
* @ * * * |
1878 |
* ! * * * |
1879 |
*/ |
1880 |
void |
1881 |
split_nuh(struct split_nuh_item *const iptr) |
1882 |
{ |
1883 |
char *p = NULL, *q = NULL; |
1884 |
|
1885 |
if (iptr->nickptr) |
1886 |
strlcpy(iptr->nickptr, "*", iptr->nicksize); |
1887 |
if (iptr->userptr) |
1888 |
strlcpy(iptr->userptr, "*", iptr->usersize); |
1889 |
if (iptr->hostptr) |
1890 |
strlcpy(iptr->hostptr, "*", iptr->hostsize); |
1891 |
|
1892 |
if ((p = strchr(iptr->nuhmask, '!'))) |
1893 |
{ |
1894 |
*p = '\0'; |
1895 |
|
1896 |
if (iptr->nickptr && *iptr->nuhmask) |
1897 |
strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize); |
1898 |
|
1899 |
if ((q = strchr(++p, '@'))) |
1900 |
{ |
1901 |
*q++ = '\0'; |
1902 |
|
1903 |
if (*p) |
1904 |
strlcpy(iptr->userptr, p, iptr->usersize); |
1905 |
|
1906 |
if (*q) |
1907 |
strlcpy(iptr->hostptr, q, iptr->hostsize); |
1908 |
} |
1909 |
else |
1910 |
{ |
1911 |
if (*p) |
1912 |
strlcpy(iptr->userptr, p, iptr->usersize); |
1913 |
} |
1914 |
} |
1915 |
else |
1916 |
{ |
1917 |
/* No ! found so lets look for a user@host */ |
1918 |
if ((p = strchr(iptr->nuhmask, '@'))) |
1919 |
{ |
1920 |
/* if found a @ */ |
1921 |
*p++ = '\0'; |
1922 |
|
1923 |
if (*iptr->nuhmask) |
1924 |
strlcpy(iptr->userptr, iptr->nuhmask, iptr->usersize); |
1925 |
|
1926 |
if (*p) |
1927 |
strlcpy(iptr->hostptr, p, iptr->hostsize); |
1928 |
} |
1929 |
else |
1930 |
{ |
1931 |
/* no @ found */ |
1932 |
if (!iptr->nickptr || strpbrk(iptr->nuhmask, ".:")) |
1933 |
strlcpy(iptr->hostptr, iptr->nuhmask, iptr->hostsize); |
1934 |
else |
1935 |
strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize); |
1936 |
} |
1937 |
} |
1938 |
} |