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Diffstat (limited to 'data/xdg-su')
| -rwxr-xr-x | data/xdg-su | 523 |
1 files changed, 523 insertions, 0 deletions
diff --git a/data/xdg-su b/data/xdg-su new file mode 100755 index 0000000..2389405 --- /dev/null +++ b/data/xdg-su @@ -0,0 +1,523 @@ +#!/bin/sh +#--------------------------------------------- +# xdg-su +# +# Utility script to run a command as an alternate user, generally +# the root user, with a graphical prompt for the root +# password if needed +# +# Refer to the usage() function below for usage. +# +# Copyright 2006, Jeremy White <jwhite@codeweavers.com> +# Copyright 2006, Kevin Krammer <kevin.krammer@gmx.at> +# Copyright 2009, Aurelien Lefebvre <alefebvre@mandriva.com> +# +# LICENSE: +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# the rights to use, copy, modify, merge, publish, distribute, sublicense, +# and/or sell copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +#--------------------------------------------- + +distrib=`test -f /etc/lsb-release && + cat /etc/lsb-release | + grep "DISTRIB_ID" | + sed 's/DISTRIB_ID=\([A-Za-z]\+\)/\1/'` +if [ -z $distrib ]; then + distrib="Unknown" +fi + + +manualpage() +{ +cat << _MANUALPAGE +Name + +xdg-su - run a GUI program as root after prompting for the root password + +Synopsis + +xdg-su [-u user] -c command + +xdg-su { --help | --manual | --version } + +Description + +xdg-su provides a graphical dialog that prompts the user for a password to run +command as user or as root if no user was specified. + +xdg-su is for use inside a desktop session only. + +xdg-su discards any stdout and stderr output from command. + +Options + +-u user + run command as user. The default is to run as root. +--help + Show command synopsis. +--manual + Show this manualpage. +--version + Show the xdg-utils version information. + +Exit Codes + +An exit code of 0 indicates success while a non-zero exit code indicates +failure. The following failure codes can be returned: + +1 + Error in command line syntax. +2 + One of the files passed on the command line did not exist. +3 + A required tool could not be found. +4 + The action failed. + +See Also + +su(1) + +Examples + +xdg-su -u root -c "/opt/shinythings/bin/install-GUI --install fast" + +Runs the /opt/shinythings/bin/install-GUI command with root permissions. + +_MANUALPAGE +} + +usage() +{ +cat << _USAGE +xdg-su - run a GUI program as root after prompting for the root password + +Synopsis + +xdg-su [-u user] -c command + +xdg-su { --help | --manual | --version } + +_USAGE +} + +#@xdg-utils-common@ + +#---------------------------------------------------------------------------- +# Common utility functions included in all XDG wrapper scripts +#---------------------------------------------------------------------------- + +DEBUG() +{ + [ ${XDG_UTILS_DEBUG_LEVEL-0} -lt $1 ] && return 0; + shift + echo "$@" >&2 +} + +#------------------------------------------------------------- +# Exit script on successfully completing the desired operation + +exit_success() +{ + if [ $# -gt 0 ]; then + echo "$@" + echo + fi + + exit 0 +} + + +#----------------------------------------- +# Exit script on malformed arguments, not enough arguments +# or missing required option. +# prints usage information + +exit_failure_syntax() +{ + if [ $# -gt 0 ]; then + echo "xdg-su: $@" >&2 + echo "Try 'xdg-su --help' for more information." >&2 + else + usage + echo "Use 'man xdg-su' or 'xdg-su --manual' for additional info." + fi + + exit 1 +} + +#------------------------------------------------------------- +# Exit script on missing file specified on command line + +exit_failure_file_missing() +{ + if [ $# -gt 0 ]; then + echo "xdg-su: $@" >&2 + fi + + exit 2 +} + +#------------------------------------------------------------- +# Exit script on failure to locate necessary tool applications + +exit_failure_operation_impossible() +{ + if [ $# -gt 0 ]; then + echo "xdg-su: $@" >&2 + fi + + exit 3 +} + +#------------------------------------------------------------- +# Exit script on failure returned by a tool application + +exit_failure_operation_failed() +{ + if [ $# -gt 0 ]; then + echo "xdg-su: $@" >&2 + fi + + exit 4 +} + +#------------------------------------------------------------ +# Exit script on insufficient permission to read a specified file + +exit_failure_file_permission_read() +{ + if [ $# -gt 0 ]; then + echo "xdg-su: $@" >&2 + fi + + exit 5 +} + +#------------------------------------------------------------ +# Exit script on insufficient permission to read a specified file + +exit_failure_file_permission_write() +{ + if [ $# -gt 0 ]; then + echo "xdg-su: $@" >&2 + fi + + exit 6 +} + +check_input_file() +{ + if [ ! -e "$1" ]; then + exit_failure_file_missing "file '$1' does not exist" + fi + if [ ! -r "$1" ]; then + exit_failure_file_permission_read "no permission to read file '$1'" + fi +} + +check_vendor_prefix() +{ + file=`basename "$1"` + case "$file" in + [a-zA-Z]*-*) + return + ;; + esac + + echo "xdg-su: filename '$file' does not have a proper vendor prefix" >&2 + echo 'A vendor prefix consists of alpha characters ([a-zA-Z]) and is terminated' >&2 + echo 'with a dash ("-"). An example filename is '"'example-$file'" >&2 + echo "Use --novendor to override or 'xdg-su --manual' for additional info." >&2 + exit 1 +} + +check_output_file() +{ + # if the file exists, check if it is writeable + # if it does not exists, check if we are allowed to write on the directory + if [ -e "$1" ]; then + if [ ! -w "$1" ]; then + exit_failure_file_permission_write "no permission to write to file '$1'" + fi + else + DIR=`dirname "$1"` + if [ ! -w "$DIR" -o ! -x "$DIR" ]; then + exit_failure_file_permission_write "no permission to create file '$1'" + fi + fi +} + +#---------------------------------------- +# Checks for shared commands, e.g. --help + +check_common_commands() +{ + while [ $# -gt 0 ] ; do + parm="$1" + shift + + case "$parm" in + --help) + usage + echo "Use 'man xdg-su' or 'xdg-su --manual' for additional info." + exit_success + ;; + + --manual) + manualpage + exit_success + ;; + + --version) + echo "xdg-su 1.0beta2" + exit_success + ;; + esac + done +} + +check_common_commands "$@" +if [ ${XDG_UTILS_DEBUG_LEVEL-0} -lt 1 ]; then + # Be silent + xdg_redirect_output=" > /dev/null 2> /dev/null" +else + # All output to stderr + xdg_redirect_output=" >&2" +fi + +#-------------------------------------- +# Checks for known desktop environments +# set variable DE to the desktop environments name, lowercase + +detectDE() +{ + if [ x"$KDE_FULL_SESSION" = x"true" ]; then DE=kde; + elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ]; then DE=gnome; + elif xprop -root _DT_SAVE_MODE | grep ' = \"xfce4\"$' >/dev/null 2>&1; then DE=xfce; + fi +} + +#---------------------------------------------------------------------------- + + + +su_kde() +{ + if [ x"$KDE_SESSION_VERSION" = x"4" ]; then + KDESU=`kde4-config --locate kdesu --path exe 2>/dev/null` + else + KDESU=`which kdesu 2>/dev/null` + if [ $? -ne 0 -a $distrib = "Ubuntu" ] ; then + KDESU=`which kdesudo 2>/dev/null` + fi + fi + if [ $? -eq 0 ] ; then + if [ -z "$user" ] ; then + if [ $distrib = "Ubuntu" ]; then + /usr/bin/kdesudo "$cmd" + else + $KDESU -c "$cmd" + fi + else + if [ $distrib = "Ubuntu" ]; then + /usr/bin/kdesudo -u "$user" "$cmd" + else + $KDESU -u "$user" -c "$cmd" + fi + fi + + if [ $? -eq 0 ]; then + exit_success + else + exit_failure_operation_failed + fi + else + su_generic + fi +} + +su_gnome() +{ + GSU=`which gnomesu 2>/dev/null` + if [ $? -ne 0 ] ; then + GSU=`which xsu 2>/dev/null` + fi + if [ $? -eq 0 ] ; then + if [ -z "$user" ] ; then + $GSU -c "$cmd" + else + $GSU -u "$user" -c "$cmd" + fi + + if [ $? -eq 0 ]; then + exit_success + else + exit_failure_operation_failed + fi + else + su_generic + fi +} + +sudo_gnome() +{ + GSU=`which gksudo 2>/dev/null` + if [ $? -eq 0 ] ; then + if [ -z "$user" ] ; then + $GSU "$cmd" + else + $GSU -u "$user" "$cmd" + fi + + if [ $? -eq 0 ]; then + exit_success + else + exit_failure_operation_failed + fi + else + su_generic + fi +} + +sudo_kde() +{ + GSU=`which kdesudo 2>/dev/null` + if [ $? -eq 0 ] ; then + if [ -z "$user" ] ; then + $GSU "$cmd" + else + $GSU -u "$user" "$cmd" + fi + + if [ $? -eq 0 ]; then + exit_success + else + exit_failure_operation_failed + fi + else + su_generic + fi +} + +su_generic() +{ + + QUOTE=1 + TERMINAL="" + [ -z "$TERMINAL" ] && TERMINAL=`which xterm 2> /dev/null` && QUOTE=0 + [ -z "$TERMINAL" ] && TERMINAL=`which gnome-terminal 2> /dev/null` + #[ -z "$TERMINAL" ] && TERMINAL=`which konsole 2> /dev/null` + [ -z "$TERMINAL" ] && TERMINAL=`which aterm 2> /dev/null` && QUOTE=0 + [ -z "$TERMINAL" ] && TERMINAL=`which Eterm 2> /dev/null` + [ -z "$TERMINAL" ] && TERMINAL=`which kterm 2> /dev/null` && QUOTE=0 + [ -z "$TERMINAL" ] && TERMINAL=`which lxterminal 2> /dev/null` + + if [ $distrib = "Ubuntu" ]; then + if [ $QUOTE -eq 1 ]; then + $TERMINAL -e "sudo $cmd" + else + $TERMINAL -e sudo "$cmd" + fi + else + if [ $QUOTE -eq 1 ]; then + $TERMINAL -e "su -c \"$cmd\"" + else + $TERMINAL -e su -c "$cmd" + fi + fi + + if [ $? -eq 0 ]; then + exit_success + else + exit_failure_operation_failed + fi +} + +[ x"$1" != x"" ] || exit_failure_syntax + +user= +cmd= +while [ $# -gt 0 ] ; do + parm="$1" + shift + + case "$parm" in + -u) + if [ -z "$1" ] ; then + exit_failure_syntax "user argument missing for -u" + fi + user="$1" + shift + ;; + + -c) + if [ -z "$1" ] ; then + exit_failure_syntax "command argument missing for -c" + fi + cmd="$1" + shift + ;; + + -*) + exit_failure_syntax "unexpected option '$parm'" + ;; + + *) + exit_failure_syntax "unexpected argument '$parm'" + ;; + esac +done + +if [ -z "${cmd}" ] ; then + exit_failure_syntax "command missing" +fi + +detectDE + +if [ x"$DE" = x"" ]; then + DE=generic +fi + +case "$DE" in + kde) + if [ $distrib = "Ubuntu" ]; then + sudo_kde + else + su_kde + fi + ;; + + gnome) + if [ $distrib = "Ubuntu" ]; then + sudo_gnome + else + su_gnome + fi + ;; + + generic) + su_generic + ;; + + *) + [ x"$user" = x"" ] && user=root + exit_failure_operation_impossible "no graphical method available for invoking '$cmd' as '$user'" + ;; +esac |