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path: root/src/core/os_chankill.c
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/* OperServ core functions
 *
 * (C) 2003-2008 Anope Team
 * Contact us at info@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 *
 * $Id$
 *
 */
/*************************************************************************/

#include "module.h"

int do_chankill(User * u);
void myOperServHelp(User * u);

class OSChanKill : public Module
{
 public:
	OSChanKill(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		Command *c;

		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		c = createCommand("CHANKILL", do_chankill, is_services_admin, OPER_HELP_CHANKILL, -1, -1, -1, -1);
		this->AddCommand(OPERSERV, c, MOD_UNIQUE);

		moduleSetOperHelp(myOperServHelp);
	}
};



/**
 * Add the help response to anopes /os help output.
 * @param u The user who is requesting help
 **/
void myOperServHelp(User * u)
{
    if (is_services_admin(u)) {
        notice_lang(s_OperServ, u, OPER_HELP_CMD_CHANKILL);
    }
}

/**
 * ChanKill - Akill an entire channel (got botnet?)
 *
 * /msg OperServ ChanKill +expire #channel reason
 * @param u The user who issued the command
 * @param MOD_CONT to continue processing other modules, MOD_STOP to stop processing.
 *
 **/
int do_chankill(User * u)
{
    char *expiry, *channel, *reason;
    time_t expires;
    char breason[BUFSIZE];
    char mask[USERMAX + HOSTMAX + 2];
    struct c_userlist *cu, *next;
    Channel *c;

    channel = strtok(NULL, " ");
    if (channel && *channel == '+') {
        expiry = channel;
        channel = strtok(NULL, " ");
    } else {
        expiry = NULL;
    }

    expires = expiry ? dotime(expiry) : ChankillExpiry;
    if (expiry && isdigit(expiry[strlen(expiry) - 1]))
        expires *= 86400;
    if (expires != 0 && expires < 60) {
        notice_lang(s_OperServ, u, BAD_EXPIRY_TIME);
        return MOD_CONT;
    } else if (expires > 0) {
        expires += time(NULL);
    }

    if (channel && (reason = strtok(NULL, ""))) {

        if (AddAkiller) {
            snprintf(breason, sizeof(breason), "[%s] %s", u->nick, reason);
            reason = sstrdup(breason);
        }

        if ((c = findchan(channel))) {
            for (cu = c->users; cu; cu = next) {
                next = cu->next;
                if (is_oper(cu->user)) {
                    continue;
                }
                (void) strncpy(mask, "*@", 3); /* Use *@" for the akill's, */
                strncat(mask, cu->user->host, HOSTMAX);
                add_akill(NULL, mask, s_OperServ, expires, reason);
                check_akill(cu->user->nick, cu->user->username,
                            cu->user->host, NULL, NULL);
            }
            if (WallOSAkill) {
                ircdproto->SendGlobops(s_OperServ, "%s used CHANKILL on %s (%s)",
                                 u->nick, channel, reason);
            }
        } else {
            notice_lang(s_OperServ, u, CHAN_X_NOT_IN_USE, channel);
        }
        if (AddAkiller) {
            free(reason);
        }
    } else {
        syntax_error(s_OperServ, u, "CHANKILL", OPER_CHANKILL_SYNTAX);
    }
    return MOD_CONT;
}

MODULE_INIT("os_chankill", OSChanKill)