#include <linux/config.h>
#include <linux/types.h>
+#include <linux/inetdevice.h>
#include <linux/ip.h>
#include <linux/timer.h>
#include <linux/module.h>
#include <net/protocol.h>
#include <net/ip.h>
#include <net/checksum.h>
+#include <net/route.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv4/ip_nat_rule.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#endif
/* Lock protects masq region inside conntrack */
-static DECLARE_RWLOCK(masq_lock);
+static DEFINE_RWLOCK(masq_lock);
/* FIXME: Multiple targets. --RR */
static int
IP_NF_ASSERT(hooknum == NF_IP_POST_ROUTING);
- /* FIXME: For the moment, don't do local packets, breaks
- testsuite for 2.3.49 --RR */
- if ((*pskb)->sk)
- return NF_ACCEPT;
-
ct = ip_conntrack_get(*pskb, &ctinfo);
IP_NF_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
|| ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+ /* Source address is 0.0.0.0 - locally generated packet that is
+ * probably not supposed to be masqueraded.
+ */
+ if (ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.ip == 0)
+ return NF_ACCEPT;
+
mr = targinfo;
rt = (struct rtable *)(*pskb)->dst;
newsrc = inet_select_addr(out, rt->rt_gateway, RT_SCOPE_UNIVERSE);
return NF_DROP;
}
- WRITE_LOCK(&masq_lock);
+ write_lock_bh(&masq_lock);
ct->nat.masq_index = out->ifindex;
- WRITE_UNLOCK(&masq_lock);
+ write_unlock_bh(&masq_lock);
/* Transfer from original range. */
newrange = ((struct ip_nat_range)
{
int ret;
- READ_LOCK(&masq_lock);
+ read_lock_bh(&masq_lock);
ret = (i->nat.masq_index == (int)(long)ifindex);
- READ_UNLOCK(&masq_lock);
+ read_unlock_bh(&masq_lock);
return ret;
}