From e65e1fc2d24b09c496af76e9c5253ac30b300a89 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 12 Sep 2006 03:04:40 -0400
Subject: [PATCH] syscall class hookup for all normal targets

Take default arch/*/kernel/audit.c to lib/, have those with special
needs (== biarch) define AUDIT_ARCH in their Kconfig.

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

diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index ab98fc2..5427a84 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -39,7 +39,6 @@ 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
deleted file mode 100644
index 3b97cff..0000000
--- a/arch/i386/kernel/audit.c
+++ /dev/null
@@ -1,51 +0,0 @@
-#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 read_class[] = {
-#include <asm-generic/audit_read.h>
-~0U
-};
-
-static unsigned write_class[] = {
-#include <asm-generic/audit_write.h>
-~0U
-};
-
-static unsigned chattr_class[] = {
-#include <asm-generic/audit_change_attr.h>
-~0U
-};
-
-int audit_classify_syscall(int abi, 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 0;
-	}
-}
-
-static int __init audit_classes_init(void)
-{
-	audit_register_class(AUDIT_CLASS_WRITE, write_class);
-	audit_register_class(AUDIT_CLASS_READ, read_class);
-	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
-	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
-	return 0;
-}
-
-__initcall(audit_classes_init);
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 674de89..db274da 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -75,6 +75,10 @@ config DMA_IS_NORMAL
 	depends on IA64_SGI_SN2
 	default y
 
+config AUDIT_ARCH
+	bool
+	default y
+
 choice
 	prompt "System type"
 	default IA64_GENERIC
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 4d4b6fb..694b0c6 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -95,6 +95,10 @@ config GENERIC_TBSYNC
 	default y if PPC32 && SMP
 	default n
 
+config AUDIT_ARCH
+	bool
+	default y
+
 config DEFAULT_UIMAGE
 	bool
 	help
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index ae071a1..2f4f70c 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -118,6 +118,10 @@ config SYSVIPC_COMPAT
 	depends on COMPAT && SYSVIPC
 	default y
 
+config AUDIT_ARCH
+	bool
+	default y
+
 comment "Code generation options"
 
 choice
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 28df7d8..6cd4878 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -85,6 +85,10 @@ config DMI
 	bool
 	default y
 
+config AUDIT_ARCH
+	bool
+	default y
+
 source "init/Kconfig"
 
 
diff --git a/lib/Kconfig b/lib/Kconfig
index f629934..734ce95 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -38,6 +38,11 @@ config LIBCRC32C
 	  require M here.  See Castagnoli93.
 	  Module will be libcrc32c.
 
+config AUDIT_GENERIC
+	bool
+	depends on AUDIT && !AUDIT_ARCH
+	default y
+
 #
 # compression support is select'ed if needed
 #
diff --git a/lib/Makefile b/lib/Makefile
index be9719a..ef1d37a 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
 obj-$(CONFIG_SMP) += percpu_counter.o
+obj-$(CONFIG_AUDIT_GENERIC) += audit.o
 
 obj-$(CONFIG_SWIOTLB) += swiotlb.o
 
diff --git a/lib/audit.c b/lib/audit.c
new file mode 100644
index 0000000..8c21625
--- /dev/null
+++ b/lib/audit.c
@@ -0,0 +1,53 @@
+#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 read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+static unsigned write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+#ifdef __NR_socketcall
+	case __NR_socketcall:
+		return 4;
+#endif
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
+static int __init audit_classes_init(void)
+{
+	audit_register_class(AUDIT_CLASS_WRITE, write_class);
+	audit_register_class(AUDIT_CLASS_READ, read_class);
+	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	return 0;
+}
+
+__initcall(audit_classes_init);
-- 
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