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-rw-r--r--security/selinux/hooks.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 7fd4de4..88a3ee3 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1365,12 +1365,14 @@ static int task_has_perm(struct task_struct *tsk1,
/* Check whether a task is allowed to use a capability. */
static int task_has_capability(struct task_struct *tsk,
- int cap)
+ int cap, int audit)
{
struct task_security_struct *tsec;
struct avc_audit_data ad;
+ struct av_decision avd;
u16 sclass;
u32 av = CAP_TO_MASK(cap);
+ int rc;
tsec = tsk->security;
@@ -1390,7 +1392,11 @@ static int task_has_capability(struct task_struct *tsk,
"SELinux: out of range capability %d\n", cap);
BUG();
}
- return avc_has_perm(tsec->sid, tsec->sid, sclass, av, &ad);
+
+ rc = avc_has_perm_noaudit(tsec->sid, tsec->sid, sclass, av, 0, &avd);
+ if (audit == SECURITY_CAP_AUDIT)
+ avc_audit(tsec->sid, tsec->sid, sclass, av, &avd, rc, &ad);
+ return rc;
}
/* Check whether a task is allowed to use a system operation. */
@@ -1802,15 +1808,15 @@ static void selinux_capset_set(struct task_struct *target, kernel_cap_t *effecti
secondary_ops->capset_set(target, effective, inheritable, permitted);
}
-static int selinux_capable(struct task_struct *tsk, int cap)
+static int selinux_capable(struct task_struct *tsk, int cap, int audit)
{
int rc;
- rc = secondary_ops->capable(tsk, cap);
+ rc = secondary_ops->capable(tsk, cap, audit);
if (rc)
return rc;
- return task_has_capability(tsk, cap);
+ return task_has_capability(tsk, cap, audit);
}
static int selinux_sysctl_get_sid(ctl_table *table, u16 tclass, u32 *sid)
@@ -1975,7 +1981,7 @@ 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);
+ 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,
@@ -2829,7 +2835,7 @@ 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);
+ error = secondary_ops->capable(current, CAP_MAC_ADMIN, SECURITY_CAP_NOAUDIT);
if (!error)
error = avc_has_perm_noaudit(tsec->sid, tsec->sid,
SECCLASS_CAPABILITY2,
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