Package: inspircd
Version: 1.1.22+dfsg-3
Severity: normal
when having two servers with the following link lines (without passwords
etc.):
<link name="server2" ipaddr="1.0.0.2"
<link name="server1" ipaddr="1.0.0.1"
then despite trying to connect,t he other server will instantly close the
conenction, without logging a message:
accept(11, {sa_family=AF_INET6, sin6_port=htons(41545), inet_pton(AF_INET6,
"::ffff:1.0.0.1", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, [28]) = 23
close(23) = 0
fcntl(23, F_GETFL) = -1 EBADF (Bad file descriptor)
fcntl(23, F_SETFL,
O_ACCMODE|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_NONBLOCK|O_SYNC|O_ASYNC|O_DIRECT|O_LARGEFILE|O_DIRECTORY|O_NOFOLLOW|O_NOATIME|O_CLOEXEC|0xfff0003c)
= -1 EBADF (Bad file descriptor)
setsockopt(23, SOL_SOCKET, SO_SNDBUF, [32768], 4) = -1 EBADF (Bad file
descriptor)
The first problem here is that the socket gets close()ed first, and then
inspircd tries to access it - when any multithreadeds modules are in use,
this will poentially damage unrelated file descriptions under the same
file descriptor.
The second problem is that ipv4 addresses are not matched correctly -
inspircd will try to connect to the correct address, but the receiving
server requires specification of ::ffff:1.0.0.1 instead of just 1.0.0.1
for the ip address to match.
-- System Information:
Debian Release: 5.0
APT prefers stable
APT policy: (990, 'stable'), (500, 'unstable'), (500, 'testing'), (1,
'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.26-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages inspircd depends on:
hi libc6 2.9-4 GNU C Library: Shared libraries
ii libgcc1 1:4.3.2-1.1 GCC support library
ii libgnutls26 2.6.4-2 the GNU TLS library - runtime libr
ii libstdc++6 4.3.2-1.1 The GNU Standard C++ Library v3
inspircd recommends no packages.
inspircd suggests no packages.
-- no debconf information
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