diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2006-07-10 08:29:24 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2006-08-03 10:55:18 -0400 |
| commit | 471a5c7c839114cc8b55876203aeb2817c33e3c5 (patch) | |
| tree | a034011f4efe66adcdca6e21efc2e05b0c0d3e34 | |
| parent | 5422e01ac16df7398b2bad1eccad0ae3be4dee32 (diff) | |
[PATCH] introduce audit rules counter
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | include/linux/audit.h | 2 | ||||
| -rw-r--r-- | kernel/auditfilter.c | 24 | ||||
| -rw-r--r-- | kernel/auditsc.c | 3 |
3 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h index bf196c05826..f1bfcff497b 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -410,6 +410,7 @@ static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) return __audit_mq_getsetattr(mqdes, mqstat); return 0; } +extern int audit_n_rules; #else #define audit_alloc(t) ({ 0; }) #define audit_free(t) do { ; } while (0) @@ -437,6 +438,7 @@ static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) #define audit_mq_notify(d,n) ({ 0; }) #define audit_mq_getsetattr(d,s) ({ 0; }) +#define audit_n_rules 0 #endif #ifdef CONFIG_AUDIT diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 32420f91402..6a9a5c5a4e7 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 b1356fc63b2..3ea836d3d94 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). |