Bug#686242: gnutls-serv does not listen on ipv6

[Bernhard R. Link]

Package: gnutls-bin
Version: 3.0.22-2
Severity: normal
Tags: ipv6 patch

On Linux with /proc/sys/net/ipv6/bindv6only == 0 (which is now the
default), gnutls-serv cannot listen on ipv6:

$ gnutls-serv -p 5544
Set static Diffie-Hellman parameters, consider --dhparams.
HTTP Server listening on IPv4 0.0.0.0 port 5544...done
HTTP Server listening on IPv6 :: port 5544...bind() failed: Address already in use

Attached patch fixes that:

$ ./gnutls-serv -p 5555
Set static Diffie-Hellman parameters, consider --dhparams.
HTTP Server listening on IPv4 0.0.0.0 port 5555...done
HTTP Server listening on IPv6 :: port 5555...done

The patch works both against 3.0.20-3 and 3.0.22-2.

-- System Information:
Debian Release: wheezy/sid
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnutls-bin depends on:
ii  libc6        2.13-35
ii  libgmp10     2:5.0.5+dfsg-2
ii  libgnutls28  3.0.22-2
ii  libhogweed2  2.4-2
ii  libidn11     1.25-2
ii  libnettle4   2.4-2
ii  libopts25    1:5.12-0.1
ii  libp11-kit0  0.12-3
ii  libtasn1-3   2.13-2
ii  zlib1g       1:1.2.7.dfsg-13

gnutls-bin recommends no packages.

gnutls-bin suggests no packages.

-- no debconf information
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