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netfilter: nf_nat: support IPv6 in IRC NAT helper

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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Pablo Neira Ayuso 2012-08-26 19:14:27 +02:00
parent 9a66482106
commit 5901b6be88
6 changed files with 7 additions and 14 deletions
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5
net/ipv4/netfilter/Kconfig
View File

@ -221,11 +221,6 @@ config NF_NAT_PROTO_GRE
tristate
depends on NF_NAT_IPV4 && NF_CT_PROTO_GRE
config NF_NAT_IRC
tristate
depends on NF_CONNTRACK && NF_NAT_IPV4
default NF_NAT_IPV4 && NF_CONNTRACK_IRC
config NF_NAT_TFTP
tristate
depends on NF_CONNTRACK && NF_NAT_IPV4

1
net/ipv4/netfilter/Makefile
View File

@ -21,7 +21,6 @@ obj-$(CONFIG_NF_DEFRAG_IPV4) += nf_defrag_ipv4.o
# NAT helpers (nf_conntrack)
obj-$(CONFIG_NF_NAT_H323) += nf_nat_h323.o
obj-$(CONFIG_NF_NAT_IRC) += nf_nat_irc.o
obj-$(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

5
net/netfilter/Kconfig
View File

@ -390,6 +390,11 @@ config NF_NAT_FTP
depends on NF_CONNTRACK && NF_NAT
default NF_NAT && NF_CONNTRACK_FTP
config NF_NAT_IRC
tristate
depends on NF_CONNTRACK && NF_NAT
default NF_NAT && NF_CONNTRACK_IRC
config NF_NAT_SIP
tristate
depends on NF_CONNTRACK && NF_NAT

1
net/netfilter/Makefile
View File

@ -57,6 +57,7 @@ obj-$(CONFIG_NF_NAT_PROTO_SCTP) += nf_nat_proto_sctp.o
# NAT helpers
obj-$(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
# transparent proxy support

3
net/netfilter/nf_conntrack_irc.c
View File

@ -205,8 +205,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
IPPROTO_TCP, NULL, &port);
nf_nat_irc = rcu_dereference(nf_nat_irc_hook);
if (nf_nat_irc && nf_ct_l3num(ct) == NFPROTO_IPV4 &&
ct->status & IPS_NAT_MASK)
if (nf_nat_irc && ct->status & IPS_NAT_MASK)
ret = nf_nat_irc(skb, ctinfo, protoff,
addr_beg_p - ib_ptr,
addr_end_p - addr_beg_p,

6
net/ipv4/netfilter/nf_nat_irc.c → net/netfilter/nf_nat_irc.c
View File

@ -34,7 +34,6 @@ static unsigned int help(struct sk_buff *skb,
struct nf_conntrack_expect *exp)
{
char buffer[sizeof("4294967296 65635")];
u_int32_t ip;
u_int16_t port;
unsigned int ret;
@ -60,11 +59,6 @@ static unsigned int help(struct sk_buff *skb,
if (port == 0)
return NF_DROP;
ip = ntohl(exp->master->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip);
sprintf(buffer, "%u %u", ip, port);
pr_debug("nf_nat_irc: inserting '%s' == %pI4, port %u\n",
buffer, &ip, port);
ret = nf_nat_mangle_tcp_packet(skb, exp->master, ctinfo,
protoff, matchoff, matchlen, buffer,
strlen(buffer));