5b62d1d70463d3cf3f00b02051cadf8c
parent e9324b2ce656e1910d2385b9b47a2f926456dbe3
author Patrick McHardy <kaber@trash.net> 1344506926 +0000
committer Pablo Neira Ayuso <pablo@netfilter.org> 1344592391 +0200

netfilter: nf_ct_sip: fix IPv6 address parsing

Within SIP messages IPv6 addresses are enclosed in square brackets in most
cases, with the exception of the "received=" header parameter. Currently
the helper fails to parse enclosed addresses.

This patch:

- changes the SIP address parsing function to enforce square brackets
  when required, and accept them when not required but present, as
  recommended by RFC 5118.

- adds a new SDP address parsing function that never accepts square
  brackets since SDP doesn't use them.

With these changes, the SIP helper correctly parses all test messages
from RFC 5118 (Session Initiation Protocol (SIP) Torture Test Messages
for Internet Protocol Version 6 (IPv6)).

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