filter by ppid

[Alexander Viro]

Signed-off-by: Al Viro <viro at zeniv.linux.org.uk>

---

 include/linux/audit.h |    1 +
 kernel/auditsc.c      |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)

5577dff75cbaab5635a5c8127a7f8fb2a9727baf
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 103ed6d..b32d91b 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -152,6 +152,7 @@
 #define AUDIT_SE_TYPE	15	/* security label type */
 #define AUDIT_SE_SEN	16	/* security label sensitivity label */
 #define AUDIT_SE_CLR	17	/* security label clearance label */
+#define AUDIT_PPID	18
 
 				/* These are ONLY useful when checking
 				 * at syscall exit time (AUDIT_AT_EXIT). */
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4fc3867..e455165 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -188,6 +188,10 @@ static int audit_filter_rules(struct tas
 		case AUDIT_PID:
 			result = audit_comparator(tsk->pid, f->op, f->val);
 			break;
+		case AUDIT_PPID:
+			if (ctx)
+				result = audit_comparator(ctx->ppid, f->op, f->val);
+			break;
 		case AUDIT_UID:
 			result = audit_comparator(tsk->uid, f->op, f->val);
 			break;
-- 
0.99.9.GIT