diff options
author | James Morris <jmorris@namei.org> | 2009-06-11 11:03:14 +1000 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-06-11 11:03:14 +1000 |
commit | 73fbad283cfbbcf02939bdbda31fc4a30e729cca (patch) | |
tree | 7c89fe13e1b4a2c7f2d60f4ea6eaf69c14bccab7 /security/integrity/ima/ima_fs.c | |
parent | 769f3e8c384795cc350e2aae27de2a12374d19d4 (diff) | |
parent | 35f2c2f6f6ae13ef23c4f68e6d3073753077ca43 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'security/integrity/ima/ima_fs.c')
-rw-r--r-- | security/integrity/ima/ima_fs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c index ffbe259700b1..7039b14e1f73 100644 --- a/security/integrity/ima/ima_fs.c +++ b/security/integrity/ima/ima_fs.c @@ -15,6 +15,7 @@ * implemenents security file system for reporting * current measurement list and IMA statistics */ +#include <linux/fcntl.h> #include <linux/module.h> #include <linux/seq_file.h> #include <linux/rculist.h> @@ -283,6 +284,9 @@ static atomic_t policy_opencount = ATOMIC_INIT(1); */ int ima_open_policy(struct inode * inode, struct file * filp) { + /* No point in being allowed to open it if you aren't going to write */ + if (!(filp->f_flags & O_WRONLY)) + return -EACCES; if (atomic_dec_and_test(&policy_opencount)) return 0; return -EBUSY; @@ -315,7 +319,7 @@ static struct file_operations ima_measure_policy_ops = { .release = ima_release_policy }; -int ima_fs_init(void) +int __init ima_fs_init(void) { ima_dir = securityfs_create_dir("ima", NULL); if (IS_ERR(ima_dir)) @@ -349,7 +353,7 @@ int ima_fs_init(void) goto out; ima_policy = securityfs_create_file("policy", - S_IRUSR | S_IRGRP | S_IWUSR, + S_IWUSR, ima_dir, NULL, &ima_measure_policy_ops); if (IS_ERR(ima_policy)) |