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evm: replace hmac_status with evm_status

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We will use digital signatures in addtion to hmac.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
This commit is contained in:
Dmitry Kasatkin 2011-05-06 11:34:17 +03:00 committed by Mimi Zohar
parent 6d38ca01c0
commit 24e0198efe
3 changed files with 9 additions and 9 deletions
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14
security/integrity/evm/evm_main.c
View File

@ -56,8 +56,8 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
struct evm_ima_xattr_data xattr_data; struct evm_ima_xattr_data xattr_data;
int rc; int rc;
if (iint->hmac_status == INTEGRITY_PASS) if (iint->evm_status == INTEGRITY_PASS)
return iint->hmac_status; return iint->evm_status;
/* if status is not PASS, try to check again - against -ENOMEM */ /* if status is not PASS, try to check again - against -ENOMEM */
@ -71,18 +71,18 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
sizeof xattr_data, GFP_NOFS); sizeof xattr_data, GFP_NOFS);
if (rc < 0) if (rc < 0)
goto err_out; goto err_out;
iint->hmac_status = INTEGRITY_PASS; iint->evm_status = INTEGRITY_PASS;
return iint->hmac_status; return iint->evm_status;
err_out: err_out:
switch (rc) { switch (rc) {
case -ENODATA: /* file not labelled */ case -ENODATA: /* file not labelled */
iint->hmac_status = INTEGRITY_NOLABEL; iint->evm_status = INTEGRITY_NOLABEL;
break; break;
default: default:
iint->hmac_status = INTEGRITY_FAIL; iint->evm_status = INTEGRITY_FAIL;
} }
return iint->hmac_status; return iint->evm_status;
} }
static int evm_protected_xattr(const char *req_xattr_name) static int evm_protected_xattr(const char *req_xattr_name)

2
security/integrity/iint.c
View File

@ -157,7 +157,7 @@ static void init_once(void *foo)
iint->version = 0; iint->version = 0;
iint->flags = 0UL; iint->flags = 0UL;
mutex_init(&iint->mutex); mutex_init(&iint->mutex);
iint->hmac_status = INTEGRITY_UNKNOWN; iint->evm_status = INTEGRITY_UNKNOWN;
} }
static int __init integrity_iintcache_init(void) static int __init integrity_iintcache_init(void)

2
security/integrity/integrity.h
View File

@ -37,7 +37,7 @@ struct integrity_iint_cache {
unsigned char flags; unsigned char flags;
u8 digest[SHA1_DIGEST_SIZE]; u8 digest[SHA1_DIGEST_SIZE];
struct mutex mutex; /* protects: version, flags, digest */ struct mutex mutex; /* protects: version, flags, digest */
enum integrity_status hmac_status; enum integrity_status evm_status;
}; };
/* rbtree tree calls to lookup, insert, delete /* rbtree tree calls to lookup, insert, delete