rcvar revision 240684 
1#!/bin/sh
2#-
3# Copyright (c) 2012 Devin Teske
4# All Rights Reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: head/usr.sbin/bsdconfig/startup/rcvar 240684 2012-09-18 22:28:42Z dteske $
28#
29############################################################ INCLUDES
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33f_include $BSDCFG_SHARE/dialog.subr
34f_include $BSDCFG_SHARE/mustberoot.subr
35f_include $BSDCFG_SHARE/sysrc.subr
36f_include $BSDCFG_SHARE/startup/rcvar.subr
37
38BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="140.startup"
39f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
40
41ipgm=$( f_index_menu_selection $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
42[ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"
43
44############################################################ GLOBALS
45
46#
47# Global map/menu-list for the main menu
48#
49RCVAR_MAP=
50_RCVAR_MAP=
51RCVAR_MENU_LIST=
52
53#
54# Options
55#
56# Inherit SHOW_DESC value if set, otherwise default to 1
57( ${SHOW_DESC?} ) > /dev/null 2>&1 || SHOW_DESC=1
58
59############################################################ FUNCTIONS
60
61# dialog_menu_main
62#
63# Display the dialog(1)-based application main menu.
64#
65dialog_menu_main()
66{
67	local size
68	local hline="$hline_arrows_tab_enter"
69	local prompt=""
70
71	RCVAR_MENU_LIST="
72		'X $msg_exit' '$msg_exit_this_menu'
73		              ${SHOW_DESC:+'$msg_exit_this_menu'}
74	" # END-QUOTE
75
76	if [ ! "$_RCVAR_MAP" ]; then
77		# Genreate RCVAR_MAP of `rcvar dflt script desc ...' per-line
78		f_dialog_info "$msg_creating_rcvar_map"
79		RCVAR_MAP=$( f_startup_rcvar_map )
80		export RCVAR_MAP
81		export _RCVAR_MAP=1
82	fi
83
84	RCVAR_MENU_LIST="$RCVAR_MENU_LIST $(
85		. "$RC_DEFAULTS" > /dev/null
86		source_rc_confs > /dev/null
87		for rcvar in $( echo "$RCVAR_MAP" | awk '{print $1}' ); do
88			eval export $rcvar
89		done
90		export SHOW_DESC msg_default_value
91		echo "$RCVAR_MAP" | awk '
92		BEGIN {
93			prefix = ""
94			rword  = "^[[:space:]]*[^[:space:]]*[[:space:]]*"
95		}
96		{
97			cur_prefix = tolower(substr($1, 1, 1))
98			printf "'\''"
99			if ( prefix != cur_prefix )
100				prefix = cur_prefix
101			else
102				printf " "
103			rcvar   = $1
104			default = $2
105			script  = $3
106			printf "%s'\'' '\''", rcvar
107			if ( ENVIRON[rcvar] ~ /[Yy][Ee][Ss]/ )
108				printf "[X] "
109			else
110				printf "[ ] "
111			printf "%s; " ENVIRON["msg_default_value"],
112			       script, default
113			printf "'\''"
114			if ( ENVIRON["SHOW_DESC"] ) {
115				desc = $0
116				sub(rword, "", desc)
117				sub(rword, "", desc)
118				sub(rword, "", desc)
119				gsub(/'\''/, "'\''\\'\'\''", desc)
120				printf " '\''%s'\''", desc
121			}
122			printf "\n"
123		}'
124	)"
125
126	set -f # noglob
127
128	size=$( eval f_dialog_menu_${SHOW_DESC:+with_help_}size \
129	        	\"\$DIALOG_TITLE\"     \
130	        	\"\$DIALOG_BACKTITLE\" \
131	        	\"\$prompt\"           \
132	        	\"\$hline\"            \
133	        	$RCVAR_MENU_LIST       )
134
135	eval $DIALOG \
136		--clear --title \"\$DIALOG_TITLE\" \
137		--backtitle \"\$DIALOG_BACKTITLE\" \
138		--hline \"\$hline\"                \
139		--ok-label \"\$msg_ok\"            \
140		--cancel-label \"\$msg_cancel\"    \
141		${SHOW_DESC:+--item-help}          \
142		--menu \"\$prompt\" $size          \
143		$RCVAR_MENU_LIST                   \
144		2> "$DIALOG_TMPDIR/dialog.menu.$$"
145}
146
147############################################################ MAIN
148
149# Incorporate rc-file if it exists
150[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
151
152#
153# Process command-line arguments
154#
155while getopts hSX flag; do
156	case "$flag" in
157	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm";;
158	esac
159done
160shift $(( $OPTIND - 1 ))
161
162#
163# Initialize
164#
165f_dialog_init
166f_dialog_title "$msg_toggle_startup_services"
167f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
168f_mustberoot_init
169
170while :; do
171	dialog_menu_main
172	retval=$?
173	mtag=$( f_dialog_menutag )
174
175	[ $retval -eq 0 ] || f_die
176
177	case "$mtag" in
178	"X $msg_exit") break ;;
179	*) # Anything else is an rcvar to toggle
180
181		rcvar="${mtag# }"
182		value=$( eval f_dialog_menutag2item${SHOW_DESC:+_with_help} \
183		         	\"\$mtag\" $RCVAR_MENU_LIST )
184
185		# Determine the new [toggled] value to use
186		case "$value" in
187		"[X]"*) value="NO";;
188		     *) value="YES";;
189		esac
190
191		err=$( f_sysrc_set "$rcvar" "$value" 2>&1 ) ||
192			f_show_msg "$err"
193	esac
194done
195
196exit $SUCCESS
197
198################################################################################
199# END
200################################################################################
201