[PATCH] audit: AUDIT_PERM support

add support for AUDIT_PERM predicate

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

2 files changed, 37 insertions, 0 deletions

diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c
index cde5703..0741d91 100644
--- a/arch/s390/kernel/audit.c
+++ b/arch/s390/kernel/audit.c
@@ -23,6 +23,27 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_COMPAT
+	extern int s390_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_S390)
+		return s390_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_COMPAT
diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c
index d9e5f35..16d9436 100644
--- a/arch/s390/kernel/compat_audit.c
+++ b/arch/s390/kernel/compat_audit.c
@@ -20,3 +20,19 @@ unsigned s390_read_class[] = {
 #include <asm-generic/audit_read.h>
 ~0U
 };
+
+int s390_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}