/*

 * Shared library add-on to iptables to add SECMARK target support.

 *

 * Based on the MARK target.

 *

 * Copyright (C) 2006 Red Hat, Inc., James Morris <jmorris@redhat.com>

 */

#include <stdio.h>

#include <xtables.h>

#include <linux/netfilter/xt_SECMARK.h>

#define PFX "SECMARK target: "

enum {

	O_SELCTX = 0,

};

static void SECMARK_help(void)

{

	printf(

"SECMARK target options:\n"

"  --selctx value                     Set the SELinux security context\n");

}

static const struct xt_option_entry SECMARK_opts[] = {

	{.name = "selctx", .id = O_SELCTX, .type = XTTYPE_STRING,

	 .flags = XTOPT_MAND | XTOPT_PUT,

	 XTOPT_POINTER(struct xt_secmark_target_info, secctx)},

	XTOPT_TABLEEND,

};

static void SECMARK_parse(struct xt_option_call *cb)

{

	struct xt_secmark_target_info *info = cb->data;

	xtables_option_parse(cb);

	info->mode = SECMARK_MODE_SEL;

}

static void print_secmark(const struct xt_secmark_target_info *info)

{

	switch (info->mode) {

	case SECMARK_MODE_SEL:

		printf("selctx %s", info->secctx);

		break;

	default:

		xtables_error(OTHER_PROBLEM, PFX "invalid mode %hhu\n", info->mode);

	}

}

static void SECMARK_print(const void *ip, const struct xt_entry_target *target,

                          int numeric)

{

	const struct xt_secmark_target_info *info =

		(struct xt_secmark_target_info*)(target)->data;

	printf(" SECMARK ");

	print_secmark(info);

}

static void SECMARK_save(const void *ip, const struct xt_entry_target *target)

{

	const struct xt_secmark_target_info *info =

		(struct xt_secmark_target_info*)target->data;

	printf(" --");

	print_secmark(info);

}

static struct xtables_target secmark_target = {

	.family		= NFPROTO_UNSPEC,

	.name		= "SECMARK",

	.version	= XTABLES_VERSION,

	.revision	= 0,

	.size		= XT_ALIGN(sizeof(struct xt_secmark_target_info)),

	.userspacesize	= XT_ALIGN(sizeof(struct xt_secmark_target_info)),

	.help		= SECMARK_help,

	.print		= SECMARK_print,

	.save		= SECMARK_save,

	.x6_parse	= SECMARK_parse,

	.x6_options	= SECMARK_opts,

};

void _init(void)

{

	xtables_register_target(&secmark_target);

}