Package: xdm
Version: 1:1.1.10-3
Severity: normal
Steps to reproduce:
1) cat > /etc/pam.d/xdm << EOF
# $Id: xdm.pam 189 2005-06-11 00:04:27Z branden $
# lindi:
#...@include common-auth
auth required pam_permit.so
# /lindi
@include common-account
@include common-session
@include common-password
auth requisite pam_nologin.so
auth required pam_env.so
auth required pam_env.so envfile=/etc/default/locale
session required pam_limits.so
2) hit enter to xdm login prompt
Expected results:
2) xdm complains that empty username is not valid
Actual results:
2) xdm lets me login as "nobody".
More info:
1) If this is not a bug, then please at least document it.
$ dpkg -L xdm|xargs grep nobod
/etc/X11/xdm/xdm-config:DisplayManager.willing: su nobody -c
/etc/X11/xdm/Xwilling
finds no mention of the nobody user having anything to do with xdm.
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: armel (armv4tl)
Kernel: Linux 2.6.32om-gta02-2.6.32-a9254be10ac2294ea20165a87c09ea6av20
Locale: LANG=C, LC_CTYPE=fi_FI (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/dash
Versions of packages xdm depends on:
ii cpp 4:4.4.4-2 The GNU C preprocessor (cpp)
ii debconf [debconf-2.0] 1.5.32 Debian configuration management sy
ii libc6 2.11.2-2 Embedded GNU C Library: Shared lib
ii libpam0g 1.1.1-3 Pluggable Authentication Modules l
ii libselinux1 2.0.94-1 SELinux runtime shared libraries
ii libx11-6 2:1.3.3-3 X11 client-side library
ii libxau6 1:1.0.5-2 X11 authorisation library
ii libxaw7 2:1.0.7-1 X11 Athena Widget library
ii libxdmcp6 1:1.0.3-2 X11 Display Manager Control Protoc
ii libxext6 2:1.1.1-3 X11 miscellaneous extension librar
ii libxft2 2.1.14-2 FreeType-based font drawing librar
ii libxinerama1 2:1.1-3 X11 Xinerama extension library
ii libxmu6 2:1.0.5-1 X11 miscellaneous utility library
ii libxpm4 1:3.5.8-1 X11 pixmap library
ii libxrender1 1:0.9.5-2 X Rendering Extension client libra
ii libxt6 1:1.0.7-1 X11 toolkit intrinsics library
ii lsb-base 3.2-23.1 Linux Standard Base 3.2 init scrip
ii procps 1:3.2.8-9 /proc file system utilities
ii x11-common 1:7.5+6 X Window System (X.Org) infrastruc
ii x11-utils 7.5+4 X11 utilities
ii x11-xserver-utils 7.5+1 X server utilities
xdm recommends no packages.
xdm suggests no packages.
-- Configuration Files:
/etc/X11/xdm/Xresources changed:
! $Xorg: Xresources,v 1.3 2000/08/17 19:54:17 cpqbld Exp $
!
!
!
!
! $XFree86: xc/programs/xdm/config/Xres.cpp,v 1.6 2003/01/04 03:11:31 dawes Exp
$
!
Xcursor.theme: whiteglass
xlogin*login.translations: #override \
Ctrl<Key>R: abort-display()\n\
<Key>F1: set-session-argument(failsafe) finish-field()\n\
<Key>Delete: delete-character()\n\
<Key>Left: move-backward-character()\n\
<Key>Right: move-forward-character()\n\
<Key>Home: move-to-begining()\n\
<Key>End: move-to-end()\n\
Ctrl<Key>KP_Enter: set-session-argument(failsafe) finish-field()\n\
<Key>KP_Enter: set-session-argument() finish-field()\n\
Ctrl<Key>Return: set-session-argument(failsafe) finish-field()\n\
<Key>Return: set-session-argument() finish-field()
xlogin*greeting: Welcome to CLIENTHOST
xlogin*namePrompt: \040\040\040\040\040\040\040Login:
xlogin*fail: Login incorrect
xlogin*greetFont: -adobe-helvetica-bold-o-normal--24-240-75-75-p-138-iso8859-1
xlogin*font: -adobe-helvetica-medium-r-normal--18-180-75-75-p-98-iso8859-1
xlogin*promptFont: -adobe-helvetica-bold-r-normal--18-180-75-75-p-103-iso8859-1
xlogin*failFont: -adobe-helvetica-bold-r-normal--18-180-75-75-p-103-iso8859-1
xlogin*greetFace: Serif-24:bold:italic
xlogin*face: Helvetica-18
xlogin*promptFace: Helvetica-18:bold
xlogin*failFace: Helvetica-18:bold
xlogin*greetFont: -adobe-helvetica-bold-o-normal--17-120-100-100-p-92-iso8859-1
xlogin*font: -adobe-helvetica-medium-r-normal--12-120-75-75-p-67-iso8859-1
xlogin*promptFont: -adobe-helvetica-bold-r-normal--12-120-75-75-p-70-iso8859-1
xlogin*failFont: -adobe-helvetica-bold-o-normal--14-140-75-75-p-82-iso8859-1
xlogin*greetFace: Serif-18:bold:italic
xlogin*face: Helvetica-12
xlogin*promptFace: Helvetica-12:bold
xlogin*failFace: Helvetica-14:bold
xlogin*borderWidth: 1
xlogin*frameWidth: 5
xlogin*innerFramesWidth: 2
xlogin*shdColor: grey30
xlogin*hiColor: grey90
xlogin*background: grey
!xlogin*foreground: darkgreen
xlogin*greetColor: Blue3
xlogin*failColor: red
*Foreground: black
*Background: #fffff0
xlogin*borderWidth: 3
xlogin*frameWidth: 0
xlogin*innerFramesWidth: 1
xlogin*shdColor: black
xlogin*hiColor: black
!xlogin*logoFileName: /usr/share/X11/xdm/pixmaps/debian.xpm
!xlogin*logoFileName: /usr/share/X11/xdm/pixmaps/debianbw.xpm
xlogin*useShape: true
xlogin*logoPadding: 10
XConsole.text.geometry: 480x130
XConsole.verbose: true
XConsole*iconic: true
XConsole*font: fixed
Chooser*geometry: 700x500+300+200
Chooser*allowShellResize: false
Chooser*viewport.forceBars: true
Chooser*label.font: *-new century schoolbook-bold-i-normal-*-240-*
Chooser*label.label: XDMCP Host Menu from CLIENTHOST
Chooser*list.font: -*-*-medium-r-normal-*-*-230-*-*-c-*-iso8859-1
Chooser*Command.font: *-new century schoolbook-bold-r-normal-*-180-*
/etc/X11/xdm/Xsetup changed:
xsetroot -solid black
killall xvkbd
xrdb -merge /etc/X11/xdm/xvkbd-xdm.resources
dim="`xdpyinfo | grep dimensions: | awk '{print $2}'`"
case "$dim" in
640x480)
xvkbd -no-repeat -no-keypad -no-functionkey -xdm -geometry
480x230+80+220 -xsendevent &
;;
*) # 480x640
xvkbd -no-repeat -no-keypad -no-functionkey -xdm -geometry
480x230+0+380 -xsendevent &
;;
esac
/etc/X11/xdm/Xstartup changed:
PATH="$PATH:/usr/bin/X11"
killall xvkbd
if [ -e /etc/nologin ]; then
# always display the nologin message, if possible
if [ -s /etc/nologin ] && which xmessage > /dev/null 2>&1; then
xmessage -file /etc/nologin -geometry 640x480
fi
if [ "$(id -u)" != "0" ] && \
! grep -qs '^ignore-nologin' /etc/X11/xdm/xdm.options; then
exit 1
fi
fi
if grep -qs '^use-sessreg' /etc/X11/xdm/xdm.options \
&& which sessreg >/dev/null 2>&1; then
exec sessreg -a -l "$DISPLAY" -u /var/run/utmp \
-x /etc/X11/xdm/Xservers "$USER"
# NOTREACHED
fi
exit 0
/etc/pam.d/xdm changed:
auth required pam_permit.so
@include common-account
@include common-session
@include common-password
auth requisite pam_nologin.so
auth required pam_env.so
auth required pam_env.so envfile=/etc/default/locale
session required pam_limits.so
-- debconf information:
xdm/stop_running_server_with_children: false
xdm/daemon_name: /usr/bin/xdm
* shared/default-x-display-manager: xdm
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