[Pkg-cups-devel] Bug#517718: cups: Cups web frontend live lock with HostNameLookups Double and unix domain socket client connection
Joachim Falk
joachim.falk at gmx.de
Sun Mar 1 17:20:51 UTC 2009
Package: cups
Version: 1.3.8-1lenny4.1
Severity: normal
Tags: patch
The cupds server always rejects AF_LOCAL (unix domain sockets)
when HostNameLookups Double is configured in cupsd.conf.
This leads to a livelock with the webfrontend if no
/etc/cups/client.conf is present (debian default).
The patch to fix the problem is attached. It disables
DNS reverse lookups for localhost connections be it
from 127.0.0.1 (IPv4), ::1 (IPv6), or unix domain sockets.
-- System Information:
Debian Release: 5.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.18-openvz-028stab060.2 (SMP w/2 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages cups depends on:
ii adduser 3.110 add and remove users and groups
ii cups-common 1.3.8-1lenny4.1 Common UNIX Printing System(tm) -
ii debconf [debconf-2 1.5.24 Debian configuration management sy
ii ghostscript 8.62.dfsg.1-3.2lenny0 The GPL Ghostscript PostScript/PDF
ii libavahi-compat-li 0.6.23-3lenny1 Avahi Apple Bonjour compatibility
ii libc6 2.7-18 GNU C Library: Shared libraries
ii libcups2 1.3.8-1lenny4.1 Common UNIX Printing System(tm) -
ii libcupsimage2 1.3.8-1lenny4.1 Common UNIX Printing System(tm) -
ii libdbus-1-3 1.2.1-5 simple interprocess messaging syst
ii libgnutls26 2.4.2-6+lenny1 the GNU TLS library - runtime libr
ii libkrb53 1.6.dfsg.4~beta1-5 MIT Kerberos runtime libraries
ii libldap-2.4-2 2.4.11-1 OpenLDAP libraries
ii libpam0g 1.0.1-5 Pluggable Authentication Modules l
ii libpaper1 1.1.23+nmu1 library for handling paper charact
ii libslp1 1.2.1-7.5 OpenSLP libraries
ii lsb-base 3.2-20 Linux Standard Base 3.2 init scrip
ii perl-modules 5.10.0-19 Core Perl modules
ii procps 1:3.2.7-11 /proc file system utilities
ii ssl-cert 1.0.23 simple debconf wrapper for OpenSSL
ii xpdf-utils [popple 3.02-1.4 Portable Document Format (PDF) sui
Versions of packages cups recommends:
pn avahi-utils <none> (no description available)
ii cups-client 1.3.8-1lenny4.1 Common UNIX Printing System(tm) -
ii foomatic-filters 3.0.2-20080211-3.2 OpenPrinting printer support - fil
pn smbclient <none> (no description available)
Versions of packages cups suggests:
ii cups-bsd 1.3.8-1lenny4.1 Common UNIX Printing System(tm) -
pn cups-driver-gutenprint <none> (no description available)
pn cups-pdf <none> (no description available)
ii foomatic-db 20080211-2+nmu1 OpenPrinting printer support - dat
ii foomatic-db-engine 3.0.2-20080211-1 OpenPrinting printer support - pro
pn hplip <none> (no description available)
pn xpdf-korean | xpdf-japa <none> (no description available)
-- debconf information:
cupsys/raw-print: true
cupsys/backend: ipp, lpd, parallel, scsi, serial, socket, usb, snmp, dnssd
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