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audit: Add auditing to ipsec

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An audit message occurs when an ipsec SA
or ipsec policy is created/deleted.

Signed-off-by: Joy Latten <latten@austin.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joy Latten
2006-11-27 13:11:54 -06:00
committed by David S. Miller
parent 95b99a670d
commit 161a09e737
7 changed files with 213 additions and 15 deletions
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17
net/xfrm/xfrm_state.c
View File

@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/cache.h>
#include <asm/uaccess.h>
#include <linux/audit.h>
#include "xfrm_hash.h"
@@ -238,6 +239,7 @@ static void xfrm_timer_handler(unsigned long data)
unsigned long now = (unsigned long)xtime.tv_sec;
long next = LONG_MAX;
int warn = 0;
int err = 0;
spin_lock(&x->lock);
if (x->km.state == XFRM_STATE_DEAD)
@@ -295,9 +297,14 @@ expired:
next = 2;
goto resched;
}
if (!__xfrm_state_delete(x) && x->id.spi)
err = __xfrm_state_delete(x);
if (!err && x->id.spi)
km_state_expired(x, 1, 0);
xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
AUDIT_MAC_IPSEC_DELSA, err ? 0 : 1, NULL, x);
out:
spin_unlock(&x->lock);
}
@@ -384,9 +391,10 @@ int xfrm_state_delete(struct xfrm_state *x)
}
EXPORT_SYMBOL(xfrm_state_delete);
void xfrm_state_flush(u8 proto)
void xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info)
{
int i;
int err = 0;
spin_lock_bh(&xfrm_state_lock);
for (i = 0; i <= xfrm_state_hmask; i++) {
@@ -400,6 +408,11 @@ restart:
spin_unlock_bh(&xfrm_state_lock);
xfrm_state_delete(x);
err = xfrm_state_delete(x);
xfrm_audit_log(audit_info->loginuid,
audit_info->secid,
AUDIT_MAC_IPSEC_DELSA,
err ? 0 : 1, NULL, x);
xfrm_state_put(x);
spin_lock_bh(&xfrm_state_lock);