[PATCH] audit: AUDIT_PERM support

add support for AUDIT_PERM predicate

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

2 files changed, 35 insertions, 0 deletions

diff --git a/arch/x86_64/ia32/audit.c b/arch/x86_64/ia32/audit.c
index 798501994bd9..92d7d0c8d93f 100644
--- a/arch/x86_64/ia32/audit.c
+++ b/arch/x86_64/ia32/audit.c
@@ -19,3 +19,19 @@ unsigned ia32_read_class[] = {
 #include <asm-generic/audit_read.h>
 ~0U
 };
+
+int ia32_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;
+        }
+}
diff --git a/arch/x86_64/kernel/audit.c b/arch/x86_64/kernel/audit.c
index 36840acb6513..21f33387bef3 100644
--- a/arch/x86_64/kernel/audit.c
+++ b/arch/x86_64/kernel/audit.c
@@ -23,6 +23,25 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_IA32_EMULATION
+        extern int ia32_classify_syscall(unsigned);
+        if (abi == AUDIT_ARCH_I386)
+                return ia32_classify_syscall(syscall);
+#endif
+        switch(syscall) {
+        case __NR_open:
+                return 2;
+        case __NR_openat:
+                return 3;
+        case __NR_execve:
+                return 5;
+        default:
+                return 0;
+        }
+}
+
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_IA32_EMULATION