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netfilter: nf_nat: support IPv6 in SIP NAT helper

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Add IPv6 support to the SIP NAT helper. There are no functional differences
to IPv4 NAT, just different formats for addresses.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy
2012-08-26 19:14:25 +02:00
committed by Pablo Neira Ayuso
parent ee6eb96673
commit 9a66482106
7 changed files with 144 additions and 116 deletions
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include/linux/netfilter/nf_conntrack_sip.h
+4 -5
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@@ -99,10 +99,8 @@ enum sip_header_types {
enum sdp_header_types {
SDP_HDR_UNSPEC,
SDP_HDR_VERSION,
SDP_HDR_OWNER_IP4,
SDP_HDR_CONNECTION_IP4,
SDP_HDR_OWNER_IP6,
SDP_HDR_CONNECTION_IP6,
SDP_HDR_OWNER,
SDP_HDR_CONNECTION,
SDP_HDR_MEDIA,
};
@@ -111,7 +109,8 @@ extern unsigned int (*nf_nat_sip_hook)(struct sk_buff *skb,
unsigned int dataoff,
const char **dptr,
unsigned int *datalen);
extern void (*nf_nat_sip_seq_adjust_hook)(struct sk_buff *skb, s16 off);
extern void (*nf_nat_sip_seq_adjust_hook)(struct sk_buff *skb,
unsigned int protoff, s16 off);
extern unsigned int (*nf_nat_sip_expect_hook)(struct sk_buff *skb,
unsigned int protoff,
unsigned int dataoff,