diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/audit.c | 16 | ||||
-rw-r--r-- | kernel/auditsc.c | 3 |
2 files changed, 15 insertions, 4 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 549b2f55b649..1242021c7a6d 100644 --- a/kernel/audit.c +++ b/kernel/audit.c | |||
@@ -70,6 +70,7 @@ static int audit_initialized; | |||
70 | #define AUDIT_ON 1 | 70 | #define AUDIT_ON 1 |
71 | #define AUDIT_LOCKED 2 | 71 | #define AUDIT_LOCKED 2 |
72 | int audit_enabled; | 72 | int audit_enabled; |
73 | int audit_ever_enabled; | ||
73 | 74 | ||
74 | /* Default state when kernel boots without any parameters. */ | 75 | /* Default state when kernel boots without any parameters. */ |
75 | static int audit_default; | 76 | static int audit_default; |
@@ -310,11 +311,17 @@ static int audit_set_backlog_limit(int limit, uid_t loginuid, u32 sid) | |||
310 | 311 | ||
311 | static int audit_set_enabled(int state, uid_t loginuid, u32 sid) | 312 | static int audit_set_enabled(int state, uid_t loginuid, u32 sid) |
312 | { | 313 | { |
314 | int rc; | ||
313 | if (state < AUDIT_OFF || state > AUDIT_LOCKED) | 315 | if (state < AUDIT_OFF || state > AUDIT_LOCKED) |
314 | return -EINVAL; | 316 | return -EINVAL; |
315 | 317 | ||
316 | return audit_do_config_change("audit_enabled", &audit_enabled, state, | 318 | rc = audit_do_config_change("audit_enabled", &audit_enabled, state, |
317 | loginuid, sid); | 319 | loginuid, sid); |
320 | |||
321 | if (!rc) | ||
322 | audit_ever_enabled |= !!state; | ||
323 | |||
324 | return rc; | ||
318 | } | 325 | } |
319 | 326 | ||
320 | static int audit_set_failure(int state, uid_t loginuid, u32 sid) | 327 | static int audit_set_failure(int state, uid_t loginuid, u32 sid) |
@@ -857,6 +864,7 @@ static int __init audit_init(void) | |||
857 | skb_queue_head_init(&audit_skb_queue); | 864 | skb_queue_head_init(&audit_skb_queue); |
858 | audit_initialized = 1; | 865 | audit_initialized = 1; |
859 | audit_enabled = audit_default; | 866 | audit_enabled = audit_default; |
867 | audit_ever_enabled |= !!audit_default; | ||
860 | 868 | ||
861 | /* Register the callback with selinux. This callback will be invoked | 869 | /* Register the callback with selinux. This callback will be invoked |
862 | * when a new policy is loaded. */ | 870 | * when a new policy is loaded. */ |
@@ -884,8 +892,10 @@ static int __init audit_enable(char *str) | |||
884 | printk(KERN_INFO "audit: %s%s\n", | 892 | printk(KERN_INFO "audit: %s%s\n", |
885 | audit_default ? "enabled" : "disabled", | 893 | audit_default ? "enabled" : "disabled", |
886 | audit_initialized ? "" : " (after initialization)"); | 894 | audit_initialized ? "" : " (after initialization)"); |
887 | if (audit_initialized) | 895 | if (audit_initialized) { |
888 | audit_enabled = audit_default; | 896 | audit_enabled = audit_default; |
897 | audit_ever_enabled |= !!audit_default; | ||
898 | } | ||
889 | return 1; | 899 | return 1; |
890 | } | 900 | } |
891 | 901 | ||
diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 6e03322e155b..1c06ecf38d7b 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c | |||
@@ -70,6 +70,7 @@ | |||
70 | #include "audit.h" | 70 | #include "audit.h" |
71 | 71 | ||
72 | extern struct list_head audit_filter_list[]; | 72 | extern struct list_head audit_filter_list[]; |
73 | extern int audit_ever_enabled; | ||
73 | 74 | ||
74 | /* AUDIT_NAMES is the number of slots we reserve in the audit_context | 75 | /* AUDIT_NAMES is the number of slots we reserve in the audit_context |
75 | * for saving names from getname(). */ | 76 | * for saving names from getname(). */ |
@@ -838,7 +839,7 @@ int audit_alloc(struct task_struct *tsk) | |||
838 | struct audit_context *context; | 839 | struct audit_context *context; |
839 | enum audit_state state; | 840 | enum audit_state state; |
840 | 841 | ||
841 | if (likely(!audit_enabled)) | 842 | if (likely(!audit_ever_enabled)) |
842 | return 0; /* Return if not auditing. */ | 843 | return 0; /* Return if not auditing. */ |
843 | 844 | ||
844 | state = audit_filter_task(tsk); | 845 | state = audit_filter_task(tsk); |