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fix ima breakage

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The "Untangling ima mess, part 2 with counters" patch messed
up the counters.  Based on conversations with Al Viro, this patch
streamlines ima_path_check() by removing the counter maintaince.
The counters are now updated independently, from measuring the file,
in __dentry_open() and alloc_file() by calling ima_counts_get().
ima_path_check() is called from nfsd and do_filp_open().
It also did not measure all files that should have been measured.
Reason: ima_path_check() got bogus value passed as mask.
[AV: mea culpa]
[AV: add missing nfsd bits]

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Mimi Zohar 2010-01-20 15:35:41 -05:00 • committed by Al Viro
parent 1e41568d73
commit 8eb988c70e
4 changed files with 97 additions and 152 deletions
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4
include/linux/ima.h
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@ -17,7 +17,7 @@ struct linux_binprm;
extern int ima_bprm_check(struct linux_binprm *bprm);
extern int ima_inode_alloc(struct inode *inode);
extern void ima_inode_free(struct inode *inode);
extern int ima_path_check(struct path *path, int mask);
extern int ima_path_check(struct file *file, int mask);
extern void ima_file_free(struct file *file);
extern int ima_file_mmap(struct file *file, unsigned long prot);
extern void ima_counts_get(struct file *file);
@ -38,7 +38,7 @@ static inline void ima_inode_free(struct inode *inode)
return;
}
static inline int ima_path_check(struct path *path, int mask)
static inline int ima_path_check(struct file *file, int mask)
{
return 0;
}