[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, 14 insertions, 0 deletions

diff --git a/arch/x86_64/ia32/Makefile b/arch/x86_64/ia32/Makefile
index e9263b4..62bc5f5 100644
--- a/arch/x86_64/ia32/Makefile
+++ b/arch/x86_64/ia32/Makefile
@@ -11,6 +11,9 @@ obj-$(CONFIG_IA32_EMULATION) += $(sysv-y)
 
 obj-$(CONFIG_IA32_AOUT) += ia32_aout.o
 
+audit-class-$(CONFIG_AUDIT) := audit.o
+obj-$(CONFIG_IA32_EMULATION) += $(audit-class-y)
+
 $(obj)/syscall32_syscall.o: \
 	$(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so)
 
diff --git a/arch/x86_64/ia32/audit.c b/arch/x86_64/ia32/audit.c
new file mode 100644
index 0000000..ab94f2e
--- /dev/null
+++ b/arch/x86_64/ia32/audit.c
@@ -0,0 +1,11 @@
+#include <asm-i386/unistd.h>
+
+unsigned ia32_dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+unsigned ia32_chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};