mirror of https://github.com/pissnet/pissircd.git
196 lines
5.3 KiB
C
196 lines
5.3 KiB
C
/*
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* Unreal Internet Relay Chat Daemon, src/modules/kill.c
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* (C) 2000-2001 Carsten V. Munk and the UnrealIRCd Team
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* Moved to modules by Fish (Justin Hammond)
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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 1, or (at your option)
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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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CMD_FUNC(cmd_kill);
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ModuleHeader MOD_HEADER
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= {
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"kill",
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"5.0",
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"command /kill",
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"UnrealIRCd Team",
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"unrealircd-6",
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};
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MOD_INIT()
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{
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CommandAdd(modinfo->handle, "KILL", cmd_kill, 2, CMD_USER|CMD_SERVER);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/** The KILL command - this forcefully terminates a users' connection.
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* parv[1] = kill victim(s) - comma separated list
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* parv[2] = reason
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*/
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CMD_FUNC(cmd_kill)
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{
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char targetlist[BUFSIZE];
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char reason[BUFSIZE];
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char buf2[BUFSIZE];
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char *str;
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char *nick, *save = NULL;
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Client *target;
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Hook *h;
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int ntargets = 0;
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int maxtargets = max_targets_for_command("KILL");
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if ((parc < 3) || BadPtr(parv[2]))
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{
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sendnumeric(client, ERR_NEEDMOREPARAMS, "KILL");
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return;
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}
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if (!IsServer(client->direction) && !ValidatePermissionsForPath("kill:global",client,NULL,NULL,NULL) && !ValidatePermissionsForPath("kill:local",client,NULL,NULL,NULL))
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{
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sendnumeric(client, ERR_NOPRIVILEGES);
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return;
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}
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if (MyUser(client))
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strlcpy(targetlist, canonize(parv[1]), sizeof(targetlist));
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else
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strlcpy(targetlist, parv[1], sizeof(targetlist));
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strlncpy(reason, parv[2], sizeof(reason), iConf.quit_length);
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for (nick = strtoken(&save, targetlist, ","); nick; nick = strtoken(&save, NULL, ","))
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{
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MessageTag *mtags = NULL;
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if (MyUser(client) && (++ntargets > maxtargets))
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{
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sendnumeric(client, ERR_TOOMANYTARGETS, nick, maxtargets, "KILL");
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break;
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}
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target = find_user(nick, NULL);
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/* If a local user issued the /KILL then we will "chase" the user.
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* In other words: we'll check the history for recently changed nicks.
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* We don't do this for remote KILL requests as we have UID for that.
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*/
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if (!target && MyUser(client))
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{
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target = get_history(nick, KILLCHASETIMELIMIT);
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if (target)
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sendnotice(client, "*** KILL changed from %s to %s", nick, target->name);
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}
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if (!target)
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{
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sendnumeric(client, ERR_NOSUCHNICK, nick);
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continue;
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}
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if ((!MyConnect(target) && MyUser(client) && !ValidatePermissionsForPath("kill:global",client,target,NULL,NULL))
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|| (MyConnect(target) && MyUser(client)
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&& !ValidatePermissionsForPath("kill:local",client,target,NULL,NULL)))
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{
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sendnumeric(client, ERR_NOPRIVILEGES);
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continue;
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}
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/* Hooks can plug-in here to reject a kill */
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if (MyUser(client))
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{
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int ret = EX_ALLOW;
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for (h = Hooks[HOOKTYPE_PRE_KILL]; h; h = h->next)
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{
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/* note: parameters are: client, victim, reason. reason can be NULL !! */
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ret = (*(h->func.intfunc))(client, target, reason);
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if (ret != EX_ALLOW)
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break;
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}
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if ((ret == EX_DENY) || (ret == EX_ALWAYS_DENY))
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continue; /* reject kill for this particular user */
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} else if(MyUser(target)) {
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int ret = EX_ALLOW;
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for (h = Hooks[HOOKTYPE_PRE_REMOTE_TO_LOCAL_KILL]; h; h = h->next)
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{
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/* note: parameters are: client, victim, reason. reason can be NULL !! */
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ret = (*(h->func.intfunc))(client, target, reason);
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if (ret != EX_ALLOW)
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break;
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}
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if ((ret == EX_DENY) || (ret == EX_ALWAYS_DENY))
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continue; /* reject kill for this particular user */
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}
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/* From here on, the kill is probably going to be successful. */
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unreal_log(ULOG_INFO, "kill", "KILL_COMMAND", client,
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"Client killed: $target.details [by: $client] ($reason)",
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log_data_client("target", target),
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log_data_string("reason", reason));
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new_message(client, recv_mtags, &mtags);
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/* Victim gets a little notification (s)he is about to die */
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if (MyConnect(target))
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{
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sendto_prefix_one(target, client, NULL, ":%s KILL %s :%s",
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client->name, target->name, reason);
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}
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if (MyConnect(target) && MyConnect(client))
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{
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/* Local kill. This is handled as if it were a QUIT */
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}
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else
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{
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/* Kill from one server to another (we may be src, victim or something in-between) */
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/* Broadcast it to other servers */
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sendto_server(client, 0, 0, mtags, ":%s KILL %s :%s",
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client->id, target->id, reason);
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/* Don't send a QUIT for this */
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SetKilled(target);
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ircsnprintf(buf2, sizeof(buf2), "Killed by %s (%s)", client->name, reason);
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}
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if (MyUser(client))
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RunHook(HOOKTYPE_LOCAL_KILL, client, target, reason);
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ircsnprintf(buf2, sizeof(buf2), "Killed by %s (%s)", client->name, reason);
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exit_client(target, mtags, buf2);
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free_message_tags(mtags);
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if (IsDead(client))
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return; /* stop processing if we killed ourselves */
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}
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}
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