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Subject[AppArmor 36/45] Export audit subsystem for use by modules
Update kenel audit range comments to show AppArmor's registered range of
1500-1599. This range used to be reserved for LSPP but LSPP uses the
SE Linux range and the range was given to AppArmor.
Adds necessary export symbols for audit subsystem routines.
Changes audit_log_vformat to be externally visible (analagous to vprintf)
Patch is not in mainline -- pending AppArmor code submission to lkml

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: John Johansen <jjohansen@suse.de>

---
include/linux/audit.h | 12 +++++++++++-
kernel/audit.c | 6 ++++--
2 files changed, 15 insertions(+), 3 deletions(-)
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -33,7 +33,7 @@
* 1200 - 1299 messages internal to the audit daemon
* 1300 - 1399 audit event messages
* 1400 - 1499 SE Linux use
- * 1500 - 1599 kernel LSPP events
+ * 1500 - 1599 AppArmor use
* 1600 - 1699 kernel crypto events
* 1700 - 1799 kernel anomaly records
* 1800 - 1999 future kernel use (maybe integrity labels and related events)
@@ -116,6 +116,13 @@
#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */
#define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */

+#define AUDIT_APPARMOR_AUDIT 1501 /* AppArmor audited grants */
+#define AUDIT_APPARMOR_ALLOWED 1502 /* Allowed Access for learning */
+#define AUDIT_APPARMOR_DENIED 1503
+#define AUDIT_APPARMOR_HINT 1504 /* Process Tracking information */
+#define AUDIT_APPARMOR_STATUS 1505 /* Changes in config */
+#define AUDIT_APPARMOR_ERROR 1506 /* Internal AppArmor Errors */
+
#define AUDIT_FIRST_KERN_ANOM_MSG 1700
#define AUDIT_LAST_KERN_ANOM_MSG 1799
#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
@@ -513,6 +520,9 @@ extern void audit_log(struct audit_
__attribute__((format(printf,4,5)));

extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
+extern void audit_log_vformat(struct audit_buffer *ab,
+ const char *fmt, va_list args)
+ __attribute__((format(printf,2,0)));
extern void audit_log_format(struct audit_buffer *ab,
const char *fmt, ...)
__attribute__((format(printf,2,3)));
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1220,8 +1220,7 @@ static inline int audit_expand(struct au
* will be called a second time. Currently, we assume that a printk
* can't format message larger than 1024 bytes, so we don't either.
*/
-static void audit_log_vformat(struct audit_buffer *ab, const char *fmt,
- va_list args)
+void audit_log_vformat(struct audit_buffer *ab, const char *fmt, va_list args)
{
int len, avail;
struct sk_buff *skb;
@@ -1476,3 +1475,6 @@ EXPORT_SYMBOL(audit_log_start);
EXPORT_SYMBOL(audit_log_end);
EXPORT_SYMBOL(audit_log_format);
EXPORT_SYMBOL(audit_log);
+EXPORT_SYMBOL_GPL(audit_log_vformat);
+EXPORT_SYMBOL_GPL(audit_log_untrustedstring);
+EXPORT_SYMBOL_GPL(audit_log_d_path);
--

-
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