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|
#!/bin/bash
# Author: Steven Shiau <steven _at_ clonezilla org>
# License: GPL
# Description: DRBL utitilty to add users to group plugdev, audio... devices
# Ref: http://drbl.org/faq/index.php#path=./2_System&entry=05_usb_sound.faq
# Load DRBL setting and functions
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"
. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
# Some default setting for Debian
# dialout:x:20
# cdrom:x:24:
# floppy:x:25:
# audio:x:29:
# video:x:44:
# plugdev:x:46:
prog="$(basename $0)"
usage() {
echo "Enable or disable audio, plugdev permission... to all users."
echo "Usage: $0 [Options]"
echo "Options:"
language_help_prompt_by_idx_no
echo "-g, --group [GROUP1, GROUP2...]: Assign the GROUP1, GROUP2... to be process"
echo "-e, --enable Enable GROUP open to all users"
echo "-d, --disable Disable GROUP open to all users"
echo "-n, --no-update-yp Do NOT update YP/NIS"
echo "-r, --no-restart-prompt Do not show the prompt to restart X"
echo "-v, --verbose Prints out verbose information"
echo
echo "Ex:"
echo "$0 -g \"$desktop_user_group_debian\" -e"
}
# functions
enable_group() {
local tune_group="$1"
if [ -z "$tune_group" ]; then
echo "No assigned tune group! Skip this!"
return 3
fi
# For new device group, better to use
# "find /usr /sbin /bin -group $tune_group -print" to show the related programs.
if [ -z "$(grep -E "^$tune_group:" /etc/group)" ]; then
echo "Group $tune_group does NOT exist! Skip open $tune_group!"
return 1
fi
common_users="$(drbl-get-common-username 2>/dev/null)"
for iuser in $common_users; do
if [ "$iuser" != "nobody" -a -z "$(groups $iuser | grep $tune_group)" ]; then
adduser $iuser $tune_group >/dev/null
fi
done
grp_list="$(grep -E "^$tune_group:.*" /etc/group)"
for ihost in $drbl_common_root/ $drblroot/* /; do
if [ -f $ihost/etc/group ]; then
perl -p -i -e "s/^$tune_group:.*/$grp_list/g" $ihost/etc/group
fi
done
} # end of enable_group
disable_group() {
local tune_group="$1"
if [ -z "$tune_group" ]; then
echo "No assigned tune group! Skip this!"
return 3
fi
if [ -z "$(grep "^$tune_group:" /etc/group)" ]; then
echo "Group $tune_group does NOT exist! Skip open $tune_group!"
return 1
fi
for ihost in $drbl_common_root/ $drblroot/* /; do
if [ -f $ihost/etc/group ]; then
# TO modify, make them sync
perl -p -i -e "s/^($tune_group:.*:.*:).*/\$1/g" $ihost/etc/group
fi
done
} # end of disable_group
#
check_if_root
#
while [ $# -gt 0 ]; do
case "$1" in
-e|--enable) shift; MODE="enable" ;;
-d|--disable) shift; MODE="disable" ;;
-g|--group)
shift;
if [ -z "$(echo $1 |grep ^-.)" ]; then
# skip the -xx option, in case
GRPS="$1"
shift
fi
;;
-l|--language)
shift;
if [ -z "$(echo $1 |grep ^-.)" ]; then
# skip the -xx option, in case
specified_lang="$1"
shift
fi
;;
-n|--no-update-yp:) shift; YP_UPDATE="no" ;;
-r|--no-restart-prompt) shift; RESTART_PROMPT="no" ;;
-v|--verbose) shift; VERBOSE="on" ;;
-*) echo "${0}: ${1}: invalid option" >&2
usage >& 2
exit 2 ;;
*) break ;;
esac
done
#
if [ ! -e /etc/debian_version ]; then
echo "This is not Debian Linux! This program only works in Debian Linux!!! Program terminated!"
exit 1
fi
#
ask_and_load_lang_set $specified_lang
[ -z "$GRPS" -o -z "$MODE" ] && usage && exit 1
echo "$msg_delimiter_star_line"
# Part 1: For audio device: dsp mixer
case "$MODE" in
enable)
echo -n "Adding normal users to group \"$GRPS\"..."
for igrp in $GRPS; do
echo -n "."
enable_group $igrp
done
echo " done!"
;;
disable)
echo -n "Removing normal users from group \"$GRPS\"..."
for igrp in $GRPS; do
echo -n "."
disable_group $igrp
done
echo " done!"
;;
esac
# update YP
if [ "$YP_UPDATE" != "no" ]; then
echo "$msg_delimiter_star_line"
echo "Updating the YP/NIS for group..."
make -C /var/yp &>/dev/null
fi
# restart prompt
if [ "$RESTART_PROMPT" != "no" ]; then
if [ "$MODE" = "enable" ]; then
echo "$msg_delimiter_star_line"
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "$msg_restart_prompt_for_dev"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
fi
fi
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
if [ "$MODE" = "enable" ]; then
echo "$msg_run_update_dev_again:"
echo "$prog -g \"$GRPS\" -e"
fi
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
|
