apparmor: add the ability to report a sha1 hash of loaded policy

Provide userspace the ability to introspect a sha1 hash value for each
profile currently loaded.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
This commit is contained in:
John Johansen 2013-08-14 11:27:36 -07:00
parent 84f1f78742
commit f8eb8a1324
8 changed files with 199 additions and 6 deletions

View file

@ -82,6 +82,7 @@ enum aafs_prof_type {
AAFS_PROF_NAME,
AAFS_PROF_MODE,
AAFS_PROF_ATTACH,
AAFS_PROF_HASH,
AAFS_PROF_SIZEOF,
};

View file

@ -0,0 +1,36 @@
/*
* AppArmor security module
*
* This file contains AppArmor policy loading interface function definitions.
*
* Copyright 2013 Canonical Ltd.
*
* 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, version 2 of the
* License.
*/
#ifndef __APPARMOR_CRYPTO_H
#define __APPARMOR_CRYPTO_H
#include "policy.h"
#ifdef CONFIG_SECURITY_APPARMOR_HASH
unsigned int aa_hash_size(void);
int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
size_t len);
#else
static inline int aa_calc_profile_hash(struct aa_profile *profile, u32 version,
void *start, size_t len)
{
return 0;
}
static inline unsigned int aa_hash_size(void)
{
return 0;
}
#endif
#endif /* __APPARMOR_CRYPTO_H */

View file

@ -219,6 +219,7 @@ struct aa_profile {
struct aa_caps caps;
struct aa_rlimit rlimits;
unsigned char *hash;
char *dirname;
struct dentry *dents[AAFS_PROF_SIZEOF];
};