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authorAl Viro <viro@zeniv.linux.org.uk>2006-07-10 08:29:24 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2006-08-03 10:55:18 -0400
commit471a5c7c839114cc8b55876203aeb2817c33e3c5 (patch)
treea034011f4efe66adcdca6e21efc2e05b0c0d3e34 /kernel
parent5422e01ac16df7398b2bad1eccad0ae3be4dee32 (diff)
downloadop-kernel-dev-471a5c7c839114cc8b55876203aeb2817c33e3c5.zip
op-kernel-dev-471a5c7c839114cc8b55876203aeb2817c33e3c5.tar.gz
[PATCH] introduce audit rules counter
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/auditfilter.c24
-rw-r--r--kernel/auditsc.c3
2 files changed, 27 insertions, 0 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 32420f9..6a9a5c5a 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1136,6 +1136,14 @@ static inline int audit_add_rule(struct audit_entry *entry,
struct audit_watch *watch = entry->rule.watch;
struct nameidata *ndp, *ndw;
int h, err, putnd_needed = 0;
+#ifdef CONFIG_AUDITSYSCALL
+ int dont_count = 0;
+
+ /* If either of these, don't count towards total */
+ if (entry->rule.listnr == AUDIT_FILTER_USER ||
+ entry->rule.listnr == AUDIT_FILTER_TYPE)
+ dont_count = 1;
+#endif
if (inode_f) {
h = audit_hash_ino(inode_f->val);
@@ -1176,6 +1184,10 @@ static inline int audit_add_rule(struct audit_entry *entry,
} else {
list_add_tail_rcu(&entry->list, list);
}
+#ifdef CONFIG_AUDITSYSCALL
+ if (!dont_count)
+ audit_n_rules++;
+#endif
mutex_unlock(&audit_filter_mutex);
if (putnd_needed)
@@ -1200,6 +1212,14 @@ static inline int audit_del_rule(struct audit_entry *entry,
struct audit_watch *watch, *tmp_watch = entry->rule.watch;
LIST_HEAD(inotify_list);
int h, ret = 0;
+#ifdef CONFIG_AUDITSYSCALL
+ int dont_count = 0;
+
+ /* If either of these, don't count towards total */
+ if (entry->rule.listnr == AUDIT_FILTER_USER ||
+ entry->rule.listnr == AUDIT_FILTER_TYPE)
+ dont_count = 1;
+#endif
if (inode_f) {
h = audit_hash_ino(inode_f->val);
@@ -1237,6 +1257,10 @@ static inline int audit_del_rule(struct audit_entry *entry,
list_del_rcu(&e->list);
call_rcu(&e->rcu, audit_free_rule_rcu);
+#ifdef CONFIG_AUDITSYSCALL
+ if (!dont_count)
+ audit_n_rules--;
+#endif
mutex_unlock(&audit_filter_mutex);
if (!list_empty(&inotify_list))
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index b1356fc..3ea836d 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -85,6 +85,9 @@ extern int audit_enabled;
/* Indicates that audit should log the full pathname. */
#define AUDIT_NAME_FULL -1
+/* number of audit rules */
+int audit_n_rules;
+
/* When fs/namei.c:getname() is called, we store the pointer in name and
* we don't let putname() free it (instead we free all of the saved
* pointers at syscall exit time).
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