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Maximilian Engelhardt cce5a5c302 netfilter: nf_nat: fix inverted logic for persistent NAT mappings 
Kernel 2.6.30 introduced a patch [1] for the persistent option in the
netfilter SNAT target. This is exactly what we need here so I had a quick look
at the code and noticed that the patch is wrong. The logic is simply inverted.
The patch below fixes this.

Also note that because of this the default behavior of the SNAT target has
changed since kernel 2.6.30 as it now ignores the destination IP in choosing
the source IP for nating (which should only be the case if the persistent
option is set).

[1] http://git.eu.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=98d500d66cb7940747b424b245fc6a51ecfbf005

Signed-off-by: Maximilian Engelhardt <maxi@daemonizer.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-08-24 19:24:54 +02:00
..
arp_tables.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
arpt_mangle.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
arptable_filter.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
ip_queue.c netfilter: queue: use NFPROTO_ for queue callsites 2009-05-08 10:30:46 +02:00
ip_tables.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
ipt_addrtype.c netfilter: netns-aware ipt_addrtype 2008-11-04 14:21:48 +01:00
ipt_ah.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
ipt_CLUSTERIP.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
ipt_ECN.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
ipt_ecn.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
ipt_LOG.c netfilter: use a linked list of loggers 2009-03-16 14:54:21 +01:00
ipt_MASQUERADE.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-06-11 16:00:49 +02:00
ipt_NETMAP.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
ipt_REDIRECT.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
ipt_REJECT.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ipt_ULOG.c netfilter: use a linked list of loggers 2009-03-16 14:54:21 +01:00
iptable_filter.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
iptable_mangle.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
iptable_raw.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
iptable_security.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
Kconfig netfilter: Kconfig spelling fixes (trivial) 2009-03-16 15:17:23 +01:00
Makefile netfilter: Combine ipt_ttl and ip6t_hl source 2009-02-18 18:39:31 +01:00
nf_conntrack_l3proto_ipv4.c Merge branch 'master' of git://dev.medozas.de/linux 2009-08-10 17:14:59 +02:00
nf_conntrack_l3proto_ipv4_compat.c netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and get rid of call_rcu() 2009-03-25 21:05:46 +01:00
nf_conntrack_proto_icmp.c netfilter: nf_ct_icmp: keep the ICMP ct entries longer 2009-06-08 15:53:43 +02:00
nf_defrag_ipv4.c netfilter: restore lost #ifdef guarding defrag exception 2008-10-14 11:56:59 -07:00
nf_nat_amanda.c [NETFILTER]: remove unneeded rcu_dereference() calls 2007-11-07 04:08:23 -08:00
nf_nat_core.c netfilter: nf_nat: fix inverted logic for persistent NAT mappings 2009-08-24 19:24:54 +02:00
nf_nat_ftp.c [NETFILTER]: remove unneeded rcu_dereference() calls 2007-11-07 04:08:23 -08:00
nf_nat_h323.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
nf_nat_helper.c netfilter: tcp conntrack: fix unacknowledged data detection with NAT 2009-06-29 14:07:56 +02:00
nf_nat_irc.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
nf_nat_pptp.c netfilter: netns nat: PPTP NAT in netns 2008-10-08 11:35:11 +02:00
nf_nat_proto_common.c nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization 2008-08-18 21:32:32 -07:00
nf_nat_proto_dccp.c [NETFILTER]: nf_conntrack: const annotations in nf_conntrack_sctp, nf_nat_proto_gre 2008-04-14 11:15:54 +02:00
nf_nat_proto_gre.c [NETFILTER]: nf_conntrack: const annotations in nf_conntrack_sctp, nf_nat_proto_gre 2008-04-14 11:15:54 +02:00
nf_nat_proto_icmp.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_sctp.c netfilter: Fix extra semi-colon in skb_walk_frags() changes. 2009-06-09 18:05:28 -07:00
nf_nat_proto_tcp.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_udp.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_udplite.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_unknown.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_rule.c netfilter: xtables: mark initial tables constant 2009-08-24 14:56:30 +02:00
nf_nat_sip.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
nf_nat_snmp_basic.c net: replace uses of __constant_{endian} 2009-02-01 00:45:17 -08:00
nf_nat_standalone.c netfilter: xtables: switch hook PFs to nfproto 2009-08-10 13:35:21 +02:00
nf_nat_tftp.c [NETFILTER]: nf_{conntrack,nat}_tftp: annotate TFTP helper with const 2008-01-31 19:28:08 -08:00