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authorKees Cook <keescook@chromium.org>2012-07-25 17:29:08 -0700
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-29 21:43:08 +0400
commita51d9eaa41866ab6b4b6ecad7b621f8b66ece0dc (patch)
treef8ab532f946ec7f9ccdabb6a394d952981084122 /include/linux/audit.h
parent800179c9b8a1e796e441674776d11cd4c05d61d7 (diff)
downloadop-kernel-dev-a51d9eaa41866ab6b4b6ecad7b621f8b66ece0dc.zip
op-kernel-dev-a51d9eaa41866ab6b4b6ecad7b621f8b66ece0dc.tar.gz
fs: add link restriction audit reporting
Adds audit messages for unexpected link restriction violations so that system owners will have some sort of potentially actionable information about misbehaving processes. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/audit.h')
-rw-r--r--include/linux/audit.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 22f292a..36abf2a 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -130,6 +130,7 @@
#define AUDIT_LAST_KERN_ANOM_MSG 1799
#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
#define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */
+#define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */
#define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */
#define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */
#define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */
@@ -687,6 +688,8 @@ extern void audit_log_d_path(struct audit_buffer *ab,
const struct path *path);
extern void audit_log_key(struct audit_buffer *ab,
char *key);
+extern void audit_log_link_denied(const char *operation,
+ struct path *link);
extern void audit_log_lost(const char *message);
#ifdef CONFIG_SECURITY
extern void audit_log_secctx(struct audit_buffer *ab, u32 secid);
@@ -716,6 +719,7 @@ extern int audit_enabled;
#define audit_log_untrustedstring(a,s) do { ; } while (0)
#define audit_log_d_path(b, p, d) do { ; } while (0)
#define audit_log_key(b, k) do { ; } while (0)
+#define audit_log_link_denied(o, l) do { ; } while (0)
#define audit_log_secctx(b,s) do { ; } while (0)
#define audit_enabled 0
#endif
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