Stop using chm_nosuch as a sentinel value (#53)

[solanum.git] / extensions / chm_operpeace.c

/*
 * Do not allow operators to be kicked from +M channels.
 *     -- kaniini
 */

#include "stdinc.h"
#include "modules.h"
#include "hook.h"
#include "client.h"
#include "ircd.h"
#include "send.h"
#include "hash.h"
#include "s_conf.h"
#include "s_user.h"
#include "s_serv.h"
#include "numeric.h"
#include "privilege.h"
#include "s_newconf.h"
#include "chmode.h"

static const char chm_operpeace_desc[] =
	"Adds channel mode +M which prohibits operators from being kicked";

static void hdl_can_kick(hook_data_channel_approval *);

mapi_hfn_list_av1 chm_operpeace_hfnlist[] = {
	{ "can_kick", (hookfn) hdl_can_kick },
	{ NULL, NULL }
};

static unsigned int mymode;

static int
_modinit(void)
{
	mymode = cflag_add('M', chm_hidden);
	if (mymode == 0)
		return -1;

	return 0;
}

static void
_moddeinit(void)
{
	cflag_orphan('M');
}

DECLARE_MODULE_AV2(chm_operpeace, _modinit, _moddeinit, NULL, NULL, chm_operpeace_hfnlist, NULL, NULL, chm_operpeace_desc);

static void
hdl_can_kick(hook_data_channel_approval *data)
{
	struct Client *source_p = data->client;
	struct Client *who = data->target;
	struct Channel *chptr = data->chptr;

	if(IsOper(source_p))
		return;

	if((chptr->mode.mode & mymode) && HasPrivilege(who, "oper:receive_immunity"))
	{
		sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s attempted to kick %s from %s (which is +M)",
			source_p->name, who->name, chptr->chname);
		sendto_one_numeric(source_p, ERR_ISCHANSERVICE, "%s %s :Cannot kick IRC operators from that channel.",
			who->name, chptr->chname);
		data->approved = 0;
	}
}