/usr/sbin/lightdm-session is in lightdm 1.18.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | #!/bin/bash
#
# LightDM wrapper to run around X sessions.
echo "Running X session wrapper"
message () {
# pretty-print messages of arbitrary length; use xmessage if it
# is available and $DISPLAY is set
MESSAGE="$PROGNAME: $*"
echo "$MESSAGE" | fold -s -w ${COLUMNS:-80} >&2
if [ -n "$DISPLAY" ] && which xmessage > /dev/null 2>&1; then
echo "$MESSAGE" | fold -s -w ${COLUMNS:-80} | xmessage -center -file -
fi
}
errormsg () {
# exit script with error
message "$*"
exit 1
}
# temporary storage of error messages
ERR=$(mktemp --tmpdir config-err-XXXXXX)
source_with_error_check () {
CONFIG_FILE="$1"
echo "Loading $CONFIG_FILE"
BASH_VERSION= . "$CONFIG_FILE" 2>"$ERR"
if [ -s "$ERR" ]; then
. /usr/lib/lightdm/config-error-dialog.sh
fi
cat "$ERR" >>/dev/stderr
truncate -s 0 "$ERR"
}
# Load profile
for file in "/etc/profile" "$HOME/.profile" "/etc/xprofile" "$HOME/.xprofile"; do
if [ -f "$file" ]; then
source_with_error_check "$file"
fi
done
# Load resources
if type xrdb >/dev/null 2>&1; then
xresourcedir="/etc/X11/Xresources"
if [ -d "$xresourcedir" ]; then
for file in $xresourcedir/*; do
echo "Loading resource: $file"
xrdb -merge "$file"
done
fi
xresourcefile="$HOME/.Xresources"
if [ -f "$xresourcefile" ]; then
echo "Loading resource: $xresourcefile"
xrdb -merge "$xresourcefile"
fi
fi
# Load keymaps
if type setxkbmap >/dev/null 2>&1; then
for file in "/etc/X11/Xkbmap" "$HOME/.Xkbmap"; do
if [ -f "$file" ]; then
echo "Loading keymap: $file"
setxkbmap `cat "$file"`
XKB_IN_USE=yes
fi
done
fi
# Load xmodmap if not using XKB
if type xmodmap >/dev/null 2>&1; then
if [ -z "$XKB_IN_USE" ]; then
for file in "/etc/X11/Xmodmap" "$HOME/.Xmodmap"; do
if [ -f "$file" ]; then
echo "Loading modmap: $file"
xmodmap "$file"
fi
done
fi
fi
unset XKB_IN_USE
# Run all system xinitrc shell scripts.
xinitdir="/etc/X11/xinit/xinitrc.d"
if [ -d "$xinitdir" ]; then
for script in $xinitdir/*; do
echo "Loading xinit script $script"
if [ -x "$script" -a ! -d "$script" ]; then
. "$script"
fi
done
fi
# Load Xsession scripts
# OPTIONFILE, USERXSESSION, USERXSESSIONRC and ALTUSERXSESSION are required
# by the scripts to work
xsessionddir="/etc/X11/Xsession.d"
OPTIONFILE=/etc/X11/Xsession.options
USERXSESSION=$HOME/.xsession
USERXSESSIONRC=$HOME/.xsessionrc
ALTUSERXSESSION=$HOME/.Xsession
if [ -d "$xsessionddir" ]; then
for i in `ls $xsessionddir`; do
script="$xsessionddir/$i"
echo "Loading X session script $script"
if [ -r "$script" -a -f "$script" ] && expr "$i" : '^[[:alnum:]_-]\+$' > /dev/null; then
. "$script"
fi
done
fi
echo "X session wrapper complete, running session $@"
exec $@
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