[PATCH] audit syscall classes

Allow to tie upper bits of syscall bitmap in audit rules to kernel-defined
sets of syscalls.  Infrastructure, a couple of classes (with 32bit counterparts
for biarch targets) and actual tie-in on i386, amd64 and ia64.

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

2 files changed, 24 insertions, 0 deletions

diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 5e70c2fb273a..cbc1184e9473 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_VM86)		+= vm86.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
 obj-$(CONFIG_HPET_TIMER)        += hpet.o
 obj-$(CONFIG_K8_NB)             += k8.o
+obj-$(CONFIG_AUDIT)             += audit.o
 
 EXTRA_AFLAGS   := -traditional
 
diff --git a/arch/i386/kernel/audit.c b/arch/i386/kernel/audit.c
new file mode 100644
index 000000000000..5a53c6f371ff
--- /dev/null
+++ b/arch/i386/kernel/audit.c
@@ -0,0 +1,23 @@
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/audit.h>
+#include <asm/unistd.h>
+
+static unsigned dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+static int __init audit_classes_init(void)
+{
+        audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+        audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+        return 0;
+}
+
+__initcall(audit_classes_init);