The attached patches add TCP and T.38 FAX support to the SIP conntrack helper.
The patches are still work-in-progress, but they already work fine in all
my tests and I know some people have been waiting for these features, so
here's a snapshot of my current tree for anyone interested in testing.
They're based on the nf-next-2.6.git tree, but they also apply to the 2.6.32
release (might not compile though :).
Please report any test results.
include/linux/netfilter/nf_conntrack_sip.h | 19 ++-
include/net/netfilter/nf_conntrack.h | 2 +-
include/net/netfilter/nf_conntrack_expect.h | 1 +
include/net/netfilter/nf_nat_helper.h | 32 ++-
net/ipv4/netfilter/nf_nat_helper.c | 39 ++--
net/ipv4/netfilter/nf_nat_sip.c | 158 ++++++++-----
net/netfilter/nf_conntrack_expect.c | 9 +
net/netfilter/nf_conntrack_sip.c | 333 +++++++++++++++++++++------
8 files changed, 435 insertions(+), 158 deletions(-)
Patrick McHardy (7):
netfilter: nf_conntrack: show helper and class in /proc/net/nf_conntrack_expect
netfilter: nf_conntrack_sip: fix ct_sip_parse_request() REGISTER request parsing
netfilter: nf_conntrack_sip: pass data offset to NAT functions
netfilter: nf_conntrack_sip: add TCP support
netfilter: nf_nat: support mangling a single TCP packet multiple times
netfilter: nf_nat_sip: add TCP support
netfilter: nf_conntrack_sip: add T.38 FAX support
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