netfilter: nf_nat: support IPv6 in TFTP NAT helper

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 843fe17..131e537 100644 (file)
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -221,11 +221,6 @@ config NF_NAT_PROTO_GRE
        tristate
        depends on NF_NAT_IPV4 && NF_CT_PROTO_GRE
 
-config NF_NAT_TFTP
-       tristate
-       depends on NF_CONNTRACK && NF_NAT_IPV4
-       default NF_NAT_IPV4 && NF_CONNTRACK_TFTP
-
 config NF_NAT_PPTP
        tristate
        depends on NF_CONNTRACK && NF_NAT_IPV4

diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 17e649b..b7dd189 100644 (file)
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -23,7 +23,6 @@ obj-$(CONFIG_NF_DEFRAG_IPV4) += nf_defrag_ipv4.o
 obj-$(CONFIG_NF_NAT_H323) += nf_nat_h323.o
 obj-$(CONFIG_NF_NAT_PPTP) += nf_nat_pptp.o
 obj-$(CONFIG_NF_NAT_SNMP_BASIC) += nf_nat_snmp_basic.o
-obj-$(CONFIG_NF_NAT_TFTP) += nf_nat_tftp.o
 
 # NAT protocols (nf_nat)
 obj-$(CONFIG_NF_NAT_PROTO_GRE) += nf_nat_proto_gre.o

diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index cabe4da..052836e 100644 (file)
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -400,6 +400,11 @@ config NF_NAT_SIP
        depends on NF_CONNTRACK && NF_NAT
        default NF_NAT && NF_CONNTRACK_SIP
 
+config NF_NAT_TFTP
+       tristate
+       depends on NF_CONNTRACK && NF_NAT
+       default NF_NAT && NF_CONNTRACK_TFTP
+
 endif # NF_CONNTRACK
 
 # transparent proxy support

diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 0dd7929..403ea81 100644 (file)
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_NF_NAT_AMANDA) += nf_nat_amanda.o
 obj-$(CONFIG_NF_NAT_FTP) += nf_nat_ftp.o
 obj-$(CONFIG_NF_NAT_IRC) += nf_nat_irc.o
 obj-$(CONFIG_NF_NAT_SIP) += nf_nat_sip.o
+obj-$(CONFIG_NF_NAT_TFTP) += nf_nat_tftp.o
 
 # transparent proxy support
 obj-$(CONFIG_NETFILTER_TPROXY) += nf_tproxy_core.o

diff --git a/net/netfilter/nf_conntrack_tftp.c b/net/netfilter/nf_conntrack_tftp.c
index 9363e1c..81fc61c 100644 (file)
--- a/net/netfilter/nf_conntrack_tftp.c
+++ b/net/netfilter/nf_conntrack_tftp.c
@@ -72,8 +72,7 @@ static int tftp_help(struct sk_buff *skb,
                nf_ct_dump_tuple(&exp->tuple);
 
                nf_nat_tftp = rcu_dereference(nf_nat_tftp_hook);
-               if (nf_nat_tftp && nf_ct_l3num(ct) == NFPROTO_IPV4 &&
-                   ct->status & IPS_NAT_MASK)
+               if (nf_nat_tftp && ct->status & IPS_NAT_MASK)
                        ret = nf_nat_tftp(skb, ctinfo, exp);
                else if (nf_ct_expect_related(exp) != 0)
                        ret = NF_DROP;

diff --git a/net/ipv4/netfilter/nf_nat_tftp.c b/net/netfilter/nf_nat_tftp.c
similarity index 100%
rename from net/ipv4/netfilter/nf_nat_tftp.c
rename to net/netfilter/nf_nat_tftp.c