freebsd-skq/usr.sbin/bsdconfig/usermgmt/groupdel

101 lines
3.0 KiB
Plaintext
Raw Normal View History

#!/bin/sh
#-
# Copyright (c) 2012 Ron McDowell
# Copyright (c) 2012-2014 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES
BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." "$0"
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/mustberoot.subr
f_include $BSDCFG_SHARE/usermgmt/group.subr
f_include $BSDCFG_SHARE/usermgmt/group_input.subr
BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="070.usermgmt"
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
Performance and debugging enhancements: + Remove UNAME_P=$(...) from startup/misc -- already supplied by common.subr + Use f_getvar instead of $(eval echo \$$var) -- f_getvar is sub-shell free + Add `-e' and `-k var' options to f_eval_catch -- increasing use-cases + Use f_eval_catch to display errors on failure -- reducing duplicated code + Use f_eval_catch when we need output from a command -- improving debugging + Optimize f_isinter of strings.subr for performance -- now sub-shell free + Improve error checking on pidfiles -- using f_eval_catch and f_isinteger + Use $var_to_set arg of f_ifconfig_{inet,netmask} -- eliminate sub-shells + Use f_sprintf instead of $(printf ...) -- consolidate sub-shells + Use $var_to_set arg of f_route_get_default -- eliminate sub-shells + Add f_count to replace $(set -- ...;echo $#) -- eliminate sub-shells + Add f_count_ifs to replace $(IFS=x;set -- ...;echo $#) -- no sub-shells + Replace var="$var${var:+ }..." in loops with var="$var ..." with a follow- up var="${var# }" to trim leading whitespace -- optimize loops + Use $var_to_set arg of f_resolv_conf_nameservers -- eliminate sub-shells + Comments for the f_eval_catch function + Remove a duplicate `local ... desc ...' in f_device_get_all of device.subr + Use $var_to_set arg of f_device_capacity -- eliminate sub-shells + Whitespace fixes in f_dialog_init of dialog.subr + Optimize f_inet_atoi of media/tcpip.subr for performance -- sub-shell free + In several cases, send stderr to /dev/null -- clean up runtime execution + Change f_err of common.subr to go to program stderr not terminal stderr, allowing redirection of output from functions that use f_err + Disable debugging when using f_getvar to get variable argument to f_startup_rcconf_map_expand of startup/rcconf.subr + Use f_replace_all instead of $(echo ... | tr | sed) -- performance + Add a $var_to_set option to f_index_{file,menusel_{command,keyword}} of common.subr -- centralize sub-shells
2013-12-07 00:31:01 +00:00
f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" ipgm &&
pgm="${ipgm:-$pgm}"
############################################################ MAIN
# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
#
# Process command-line arguments
#
while getopts h$GETOPTS_STDARGS flag; do
case "$flag" in
2013-06-24 20:58:54 +00:00
h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
esac
done
shift $(( $OPTIND - 1 ))
#
# Initialize
#
f_dialog_title "$msg_delete $msg_group"
f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
f_mustberoot_init
#
# If given a group name, operate on it and exit
#
if [ "$1" ]; then
f_group_delete "$1"
exit $SUCCESS
fi
#
# Loop until the user Exits, Cancels or presses ESC
#
defaultitem=
while :; do
f_dialog_menu_group_list "$defaultitem"
retval=$?
Improve portion of the dialog(1) API in dialog.subr responsible for retrieving stored data (for the --menu, --calendar, --timebox, --checklist, and --radiolist widgets). When we (Ron McDowell and I) developed the first version of bsdconfig, it used temporary files to store responses from dialog(1). That hasn't been true for some very long time, so the need to always store the return status of dialog(1) and then call some function to clean-up is long-deprecated. The function that used to do the clean-up was f_dialog_menutag(). We really don't need f_dialog_menutag() for its originally designed purpose, as all dialog invocations (even when in a sub-shell) do not use temporary files anymore. However, we do need to keep f_dialog_menutag() around because it still fills the need of being able to abstract the procedure for fetching stored data provided by functions that display the aforementioned widgets. In re-designing f_dialog_menutag(), four important changes are made: 1. Rename f_dialog_menutag() to f_dialog_menutag_fetch() 2. Introduce the new first-argument of $var_to_set to reduce number of forks 3. Create a corresponding f_dialog_menutag_store() to abstract the storage 4. Offload the sanitization to a new function, f_dialog_data_sanitize() NOTE: That last one is important. Not all functions need to store their data for later fetching, meanwhile every invocation of dialog should be sanitized (as we learned early-on in the i18n-effort -- underlying libraries will spit warnings to stderr for bad values of $LANG and since dialog outputs its responses to stderr, we need to sanitize every response of these warnings). These changes greatly improve readbaility and also improve performance by reducing unnecessary forking.
2013-06-01 23:58:44 +00:00
f_dialog_menutag_fetch mtag
f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"
defaultitem="$mtag"
[ $retval -eq $DIALOG_OK ] || f_die
[ "$mtag" = "X $msg_exit" ] && break
# Anything else is a group name
f_group_delete "$mtag"
done
exit $SUCCESS
################################################################################
# END
################################################################################