Audit: increase the maximum length of the key field

Key lengths were arbitrarily limited to 32 characters.  If userspace is going
to start using the single kernel key field as multiple virtual key fields
(example key=key1,key2,key3,key4) we should give them enough room to work.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/include/linux/audit.h b/include/linux/audit.h
index f938335af75e32657eada3c910a622106469564a..dcd5395b400d8212451b8726bb4acf5708916650 100644 (file)
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -146,7 +146,7 @@
 /* Rule structure sizes -- if these change, different AUDIT_ADD and
  * AUDIT_LIST commands must be implemented. */
 #define AUDIT_MAX_FIELDS   64
-#define AUDIT_MAX_KEY_LEN  32
+#define AUDIT_MAX_KEY_LEN  256
 #define AUDIT_BITMASK_SIZE 64
 #define AUDIT_WORD(nr) ((__u32)((nr)/32))
 #define AUDIT_BIT(nr)  (1 << ((nr) - AUDIT_WORD(nr)*32))