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/* Libreswan Selinux APIs
* Copyright (C) 2011 Avesh Agarwal <avagarwa@redhat.com>
* Copyright (C) 2020 Richard Haines <richard_c_haines@btinternet.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef LABELED_IPSEC_H
#define LABELED_IPSEC_H
#include <stdbool.h>
#include "shunk.h"
#include "chunk.h"
struct logger;
/*
* Security Label Context representations.
*
* While security label length usually does not exceed 256,
* there have been requests (rhbz#1154784) for using larger
* labels. The maximum label size is PAGE_SIZE (4096 on a
* x86_64, but 64kb on ppc64). However, this label has to fit
* inside a netlink message whose maximum size is 32KiB.
* For now we picked the somewhat arbitrary size of 4096.
*/
#define MAX_SECCTX_LEN 4096 /* including '\0'*/
err_t vet_seclabel(shunk_t sl);
void init_labeled_ipsec(const struct logger *logger);
bool sec_label_within_range(const char *source, shunk_t label, chunk_t range,
const struct logger *logger);
#endif
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