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/* OperServ core functions
 *
 * (C) 2003-2009 Anope Team
 * Contact us at team@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"

void myOperServHelp(User *u);

class CommandOSChanKill : public Command
{
 public:
	CommandOSChanKill() : Command("CHANKILL", 2, 3)
	{
	}

	CommandReturn Execute(User *u, std::vector<std::string> &params)
	{
		const char *expiry, *channel;
		char reason[BUFSIZE];
		time_t expires;
		char breason[BUFSIZE];
		char mask[USERMAX + HOSTMAX + 2];
		struct c_userlist *cu, *next;
		int last_param = 1;
		Channel *c;

		channel = params[0].c_str();
		if (channel && *channel == '+')
		{
			expiry = channel;
			channel = params[1].c_str();
			last_param = 2;
		}
		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 (params.size() < last_param)
		{
			this->OnSyntaxError(u);
			return MOD_CONT;
		}
		snprintf(reason, sizeof(reason), "%s%s%s", params[last_param].c_str(), last_param == 1 ? " " : "", last_param == 1 ? param[2].c_str() : "");
		if (*reason)
		{

			if (AddAkiller)
				snprintf(reason, sizeof(reason), "[%s] %s", u->nick, reason);

			if ((c = findchan(channel)))
			{
				for (cu = c->users; cu; cu = next)
				{
					next = cu->next;
					if (is_oper(cu->user))
						continue;
					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->GetIdent().c_str(), 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);
		}
		return MOD_CONT;
	}
};

class OSChanKill : public Module
{
 public:
	OSChanKill(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		this->AddCommand(OPERSERV, new CommandOSChanKill(), MOD_UNIQUE);

		this->SetOperHelp(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);
}

MODULE_INIT("os_chankill", OSChanKill)