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integrity: add validity checks for 'path' parameter

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This patch adds validity checks for 'path' parameter and
makes it const.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
This commit is contained in:
Dmitry Kasatkin 2014-11-26 16:55:00 +02:00 committed by Mimi Zohar
parent f2b3dee484
commit 9d03a721a3
3 changed files with 5 additions and 2 deletions
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2
security/integrity/digsig.c
View File

@ -85,7 +85,7 @@ int __init integrity_init_keyring(const unsigned int id)
return err;
}
int __init integrity_load_x509(const unsigned int id, char *path)
int __init integrity_load_x509(const unsigned int id, const char *path)
{
key_ref_t key;
char *data;

3
security/integrity/iint.c
View File

@ -213,6 +213,9 @@ int __init integrity_read_file(const char *path, char **data)
char *buf;
int rc = -EINVAL;
if (!path || !*path)
return -EINVAL;
file = filp_open(path, O_RDONLY, 0);
if (IS_ERR(file)) {
rc = PTR_ERR(file);

2
security/integrity/integrity.h
View File

@ -135,7 +135,7 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen,
const char *digest, int digestlen);
int __init integrity_init_keyring(const unsigned int id);
int __init integrity_load_x509(const unsigned int id, char *path);
int __init integrity_load_x509(const unsigned int id, const char *path);
#else
static inline int integrity_digsig_verify(const unsigned int id,