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/* | ||
* CALIPSO - Common Architecture Label IPv6 Security Option | ||
* | ||
* This is an implementation of the CALIPSO protocol as specified in | ||
* RFC 5570. | ||
* | ||
* Authors: Paul Moore <[email protected]> | ||
* Huw Davies <[email protected]> | ||
* | ||
*/ | ||
|
||
/* | ||
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006 | ||
* (c) Copyright Huw Davies <[email protected]>, 2015 | ||
* | ||
* 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. | ||
* | ||
* 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. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, see <http://www.gnu.org/licenses/>. | ||
* | ||
*/ | ||
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#ifndef _CALIPSO_H | ||
#define _CALIPSO_H | ||
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#include <linux/types.h> | ||
#include <linux/rcupdate.h> | ||
#include <linux/list.h> | ||
#include <linux/net.h> | ||
#include <linux/skbuff.h> | ||
#include <net/netlabel.h> | ||
#include <net/request_sock.h> | ||
#include <linux/atomic.h> | ||
#include <asm/unaligned.h> | ||
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/* known doi values */ | ||
#define CALIPSO_DOI_UNKNOWN 0x00000000 | ||
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/* doi mapping types */ | ||
#define CALIPSO_MAP_UNKNOWN 0 | ||
#define CALIPSO_MAP_PASS 2 | ||
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/* | ||
* CALIPSO DOI definitions | ||
*/ | ||
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/* DOI definition struct */ | ||
struct calipso_doi { | ||
u32 doi; | ||
u32 type; | ||
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atomic_t refcount; | ||
struct list_head list; | ||
struct rcu_head rcu; | ||
}; | ||
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/* | ||
* Sysctl Variables | ||
*/ | ||
extern int calipso_cache_enabled; | ||
extern int calipso_cache_bucketsize; | ||
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#ifdef CONFIG_NETLABEL | ||
int __init calipso_init(void); | ||
void calipso_exit(void); | ||
bool calipso_validate(const struct sk_buff *skb, const unsigned char *option); | ||
#else | ||
static inline int __init calipso_init(void) | ||
{ | ||
return 0; | ||
} | ||
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static inline void calipso_exit(void) | ||
{ | ||
} | ||
static inline bool calipso_validate(const struct sk_buff *skb, | ||
const unsigned char *option) | ||
{ | ||
return true; | ||
} | ||
#endif /* CONFIG_NETLABEL */ | ||
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#endif /* _CALIPSO_H */ |
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