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authorAl Viro <viro@zeniv.linux.org.uk>2006-09-12 03:04:40 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2006-09-12 03:04:40 -0400
commite65e1fc2d24b09c496af76e9c5253ac30b300a89 (patch)
treeb8f88773afd81ab97d5e6b79fc307523bf6b3430 /lib
parent05ff0e291af086f4325bac76abad250690bbbd63 (diff)
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[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>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig5
-rw-r--r--lib/Makefile1
-rw-r--r--lib/audit.c53
3 files changed, 59 insertions, 0 deletions
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);