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authorMimi Zohar <zohar@linux.vnet.ibm.com>2009-10-22 17:30:13 -0400
committerJames Morris <jmorris@namei.org>2009-10-25 12:22:48 +0800
commit6c21a7fb492bf7e2c4985937082ce58ddeca84bd (patch)
tree6cfe11ba4b8eee26ee8b02d2b4a5fcc6ea07e4bd /security/security.c
parent6e8e16c7bc298d7887584c3d027e05db3e86eed9 (diff)
downloadlinux-2.6.34-ux500-6c21a7fb492bf7e2c4985937082ce58ddeca84bd.tar.gz
LSM: imbed ima calls in the security hooks
Based on discussions on LKML and LSM, where there are consecutive security_ and ima_ calls in the vfs layer, move the ima_ calls to the existing security_ hooks. Signed-off-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/security.c')
-rw-r--r--security/security.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/security/security.c b/security/security.c
index 279757314a0..684d5ee655d 100644
--- a/security/security.c
+++ b/security/security.c
@@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/security.h>
+#include <linux/ima.h>
/* Boot-time LSM user choice */
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
@@ -235,7 +236,12 @@ int security_bprm_set_creds(struct linux_binprm *bprm)
int security_bprm_check(struct linux_binprm *bprm)
{
- return security_ops->bprm_check_security(bprm);
+ int ret;
+
+ ret = security_ops->bprm_check_security(bprm);
+ if (ret)
+ return ret;
+ return ima_bprm_check(bprm);
}
void security_bprm_committing_creds(struct linux_binprm *bprm)
@@ -352,12 +358,21 @@ EXPORT_SYMBOL(security_sb_parse_opts_str);
int security_inode_alloc(struct inode *inode)
{
+ int ret;
+
inode->i_security = NULL;
- return security_ops->inode_alloc_security(inode);
+ ret = security_ops->inode_alloc_security(inode);
+ if (ret)
+ return ret;
+ ret = ima_inode_alloc(inode);
+ if (ret)
+ security_inode_free(inode);
+ return ret;
}
void security_inode_free(struct inode *inode)
{
+ ima_inode_free(inode);
security_ops->inode_free_security(inode);
}
@@ -648,6 +663,8 @@ int security_file_alloc(struct file *file)
void security_file_free(struct file *file)
{
security_ops->file_free_security(file);
+ if (file->f_dentry)
+ ima_file_free(file);
}
int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
@@ -659,7 +676,12 @@ int security_file_mmap(struct file *file, unsigned long reqprot,
unsigned long prot, unsigned long flags,
unsigned long addr, unsigned long addr_only)
{
- return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
+ int ret;
+
+ ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
+ if (ret)
+ return ret;
+ return ima_file_mmap(file, prot);
}
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,