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authorMimi Zohar <zohar@linux.vnet.ibm.com>2009-02-04 09:06:57 -0500
committerJames Morris <jmorris@namei.org>2009-02-06 09:05:30 +1100
commit6146f0d5e47ca4047ffded0fb79b6c25359b386c (patch)
treeedd792e52ad56d4a5d3ac6caa8437d3283fc157e /fs/exec.c
parent659aaf2bb5496a425ba14036b5b5900f593e4484 (diff)
integrity: IMA hooks
This patch replaces the generic integrity hooks, for which IMA registered itself, with IMA integrity hooks in the appropriate places directly in the fs directory. Signed-off-by: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 02d2e120542..9c789a525cc 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -45,6 +45,7 @@
#include <linux/proc_fs.h>
#include <linux/mount.h>
#include <linux/security.h>
+#include <linux/ima.h>
#include <linux/syscalls.h>
#include <linux/tsacct_kern.h>
#include <linux/cn_proc.h>
@@ -130,6 +131,9 @@ asmlinkage long sys_uselib(const char __user * library)
error = vfs_permission(&nd, MAY_READ | MAY_EXEC | MAY_OPEN);
if (error)
goto exit;
+ error = ima_path_check(&nd.path, MAY_READ | MAY_EXEC | MAY_OPEN);
+ if (error)
+ goto exit;
file = nameidata_to_filp(&nd, O_RDONLY|O_LARGEFILE);
error = PTR_ERR(file);
@@ -683,6 +687,9 @@ struct file *open_exec(const char *name)
err = vfs_permission(&nd, MAY_EXEC | MAY_OPEN);
if (err)
goto out_path_put;
+ err = ima_path_check(&nd.path, MAY_EXEC | MAY_OPEN);
+ if (err)
+ goto out_path_put;
file = nameidata_to_filp(&nd, O_RDONLY|O_LARGEFILE);
if (IS_ERR(file))
@@ -1209,6 +1216,9 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
retval = security_bprm_check(bprm);
if (retval)
return retval;
+ retval = ima_bprm_check(bprm);
+ if (retval)
+ return retval;
/* kernel module loader fixup */
/* so we don't try to load run modprobe in kernel space. */