Currently SELinux jumps through some ugly hoops to not audit a capbility

check when determining if a process has additional powers to override
memory limits or when trying to read/write illegal file labels.  Use
the new noaudit call instead.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 2 insertions, 17 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 88a3ee33068a..378dc53c08e8 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1979,16 +1979,8 @@ static int selinux_syslog(int type)
 static int selinux_vm_enough_memory(struct mm_struct *mm, long pages)
 {
         int rc, cap_sys_admin = 0;
-        struct task_security_struct *tsec = current->security;
-
-        rc = secondary_ops->capable(current, CAP_SYS_ADMIN, SECURITY_CAP_NOAUDIT);
-        if (rc == 0)
-                rc = avc_has_perm_noaudit(tsec->sid, tsec->sid,
-                                          SECCLASS_CAPABILITY,
-                                          CAP_TO_MASK(CAP_SYS_ADMIN),
-                                          0,
-                                          NULL);
 
+        rc = selinux_capable(current, CAP_SYS_ADMIN, SECURITY_CAP_NOAUDIT);
         if (rc == 0)
                 cap_sys_admin = 1;
 
@@ -2820,7 +2812,6 @@ static int selinux_inode_getsecurity(const struct inode *inode, const char *name
         u32 size;
         int error;
         char *context = NULL;
-        struct task_security_struct *tsec = current->security;
         struct inode_security_struct *isec = inode->i_security;
 
         if (strcmp(name, XATTR_SELINUX_SUFFIX))
@@ -2835,13 +2826,7 @@ static int selinux_inode_getsecurity(const struct inode *inode, const char *name
          * and lack of permission just means that we fall back to the
          * in-core context value, not a denial.
          */
-        error = secondary_ops->capable(current, CAP_MAC_ADMIN, SECURITY_CAP_NOAUDIT);
-        if (!error)
-                error = avc_has_perm_noaudit(tsec->sid, tsec->sid,
-                                             SECCLASS_CAPABILITY2,
-                                             CAPABILITY2__MAC_ADMIN,
-                                             0,
-                                             NULL);
+        error = selinux_capable(current, CAP_MAC_ADMIN, SECURITY_CAP_NOAUDIT);
         if (!error)
                 error = security_sid_to_context_force(isec->sid, &context,
                                                       &size);