143 lines
4.1 KiB
C
143 lines
4.1 KiB
C
/*
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* ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
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* monitor.c - Code for server-side notify lists
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*
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* Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
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* Copyright (C) 2005 ircd-ratbox development team
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1.Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2.Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3.The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "stdinc.h"
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#include "client.h"
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#include "monitor.h"
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#include "hash.h"
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#include "numeric.h"
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struct monitor *monitorTable[MONITOR_HASH_SIZE];
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static rb_bh *monitor_heap;
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void
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init_monitor(void)
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{
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monitor_heap = rb_bh_create(sizeof(struct monitor), MONITOR_HEAP_SIZE, "monitor_heap");
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}
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static inline unsigned int
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hash_monitor_nick(const char *name)
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{
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return fnv_hash_upper((const unsigned char *)name, MONITOR_HASH_BITS);
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}
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struct monitor *
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find_monitor(const char *name, int add)
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{
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struct monitor *monptr;
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unsigned int hashv = hash_monitor_nick(name);
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for(monptr = monitorTable[hashv]; monptr; monptr = monptr->hnext) {
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if(!irccmp(monptr->name, name))
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return monptr;
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}
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if(add) {
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monptr = rb_bh_alloc(monitor_heap);
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rb_strlcpy(monptr->name, name, sizeof(monptr->name));
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monptr->hnext = monitorTable[hashv];
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monitorTable[hashv] = monptr;
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return monptr;
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}
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return NULL;
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}
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void
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free_monitor(struct monitor *monptr)
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{
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rb_bh_free(monitor_heap, monptr);
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}
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/* monitor_signon()
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*
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* inputs - client who has just connected
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* outputs -
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* side effects - notifies any clients monitoring this nickname that it has
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* connected to the network
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*/
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void
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monitor_signon(struct Client *client_p)
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{
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char buf[USERHOST_REPLYLEN];
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struct monitor *monptr = find_monitor(client_p->name, 0);
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/* noones watching this nick */
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if(monptr == NULL)
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return;
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snprintf(buf, sizeof(buf), "%s!%s@%s", client_p->name, client_p->username, client_p->host);
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sendto_monitor(monptr, form_str(RPL_MONONLINE), me.name, "*", buf);
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}
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/* monitor_signoff()
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*
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* inputs - client who is exiting
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* outputs -
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* side effects - notifies any clients monitoring this nickname that it has
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* left the network
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*/
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void
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monitor_signoff(struct Client *client_p)
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{
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struct monitor *monptr = find_monitor(client_p->name, 0);
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/* noones watching this nick */
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if(monptr == NULL)
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return;
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sendto_monitor(monptr, form_str(RPL_MONOFFLINE), me.name, "*",
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client_p->name);
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}
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void
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clear_monitor(struct Client *client_p)
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{
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struct monitor *monptr;
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rb_dlink_node *ptr, *next_ptr;
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->monitor_list.head) {
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monptr = ptr->data;
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rb_dlinkFindDestroy(client_p, &monptr->users);
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rb_free_rb_dlink_node(ptr);
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}
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client_p->localClient->monitor_list.head = client_p->localClient->monitor_list.tail = NULL;
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client_p->localClient->monitor_list.length = 0;
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}
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