rcvar revision 251244 
1#!/bin/sh
2#-
3# Copyright (c) 2012-2013 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 251244 2013-06-02 09:02:12Z dteske $
28#
29############################################################ INCLUDES
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33f_dprintf "%s: loading includes..." "$0"
34f_include $BSDCFG_SHARE/dialog.subr
35f_include $BSDCFG_SHARE/mustberoot.subr
36f_include $BSDCFG_SHARE/sysrc.subr
37f_include $BSDCFG_SHARE/startup/rcvar.subr
38
39BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="140.startup"
40f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
41
42ipgm=$( f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
43[ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"
44
45############################################################ GLOBALS
46
47#
48# Global map/menu-list for the main menu
49#
50RCVAR_MAP=
51_RCVAR_MAP=
52RCVAR_MENU_LIST=
53
54#
55# Options
56#
57# Inherit SHOW_DESC value if set, otherwise default to 1
58[ "${SHOW_DESC+set}" ] || SHOW_DESC=1
59
60############################################################ FUNCTIONS
61
62# dialog_menu_main
63#
64# Display the dialog(1)-based application main menu.
65#
66dialog_menu_main()
67{
68	local hline="$hline_arrows_tab_enter"
69	local prompt=""
70	local defaultitem= # Calculated below
71
72	RCVAR_MENU_LIST="
73		'X $msg_exit' '$msg_exit_this_menu'
74		              ${SHOW_DESC:+'$msg_exit_this_menu'}
75	" # END-QUOTE
76
77	if [ ! "$_RCVAR_MAP" ]; then
78		# Generate RCVAR_MAP of `rcvar dflt script desc ...' per-line
79		f_dialog_info "$msg_creating_rcvar_map"
80		RCVAR_MAP=$( f_startup_rcvar_map )
81		export RCVAR_MAP
82		export _RCVAR_MAP=1
83	fi
84
85	RCVAR_MENU_LIST="$RCVAR_MENU_LIST $(
86		. "$RC_DEFAULTS" > /dev/null
87		source_rc_confs > /dev/null
88		for rcvar in $( echo "$RCVAR_MAP" | awk '{print $1}' ); do
89			eval export $rcvar
90		done
91		export SHOW_DESC msg_default_value
92		echo "$RCVAR_MAP" | awk '
93		BEGIN {
94			prefix = ""
95			rword  = "^[[:space:]]*[^[:space:]]*[[:space:]]*"
96		}
97		{
98			cur_prefix = tolower(substr($1, 1, 1))
99			printf "'\''"
100			if ( prefix != cur_prefix )
101				prefix = cur_prefix
102			else
103				printf " "
104			rcvar   = $1
105			default = $2
106			script  = $3
107			printf "%s'\'' '\''", rcvar
108			if ( ENVIRON[rcvar] ~ /[Yy][Ee][Ss]/ )
109				printf "[X] "
110			else
111				printf "[ ] "
112			printf "%s; " ENVIRON["msg_default_value"],
113			       script, default
114			printf "'\''"
115			if ( ENVIRON["SHOW_DESC"] ) {
116				desc = $0
117				sub(rword, "", desc)
118				sub(rword, "", desc)
119				sub(rword, "", desc)
120				gsub(/'\''/, "'\''\\'\'\''", desc)
121				printf " '\''%s'\''", desc
122			}
123			printf "\n"
124		}'
125	)"
126
127	set -f # noglob
128
129	local height width rows
130	eval f_dialog_menu${SHOW_DESC:+_with_help}_size \
131		height width rows      \
132		\"\$DIALOG_TITLE\"     \
133		\"\$DIALOG_BACKTITLE\" \
134		\"\$prompt\"           \
135		\"\$hline\"            \
136		$RCVAR_MENU_LIST
137
138	# Obtain default-item from previously stored selection
139	f_dialog_default_fetch defaultitem
140
141	local menu_choice
142	menu_choice=$( eval $DIALOG \
143		--title \"\$DIALOG_TITLE\"         \
144		--backtitle \"\$DIALOG_BACKTITLE\" \
145		--hline \"\$hline\"                \
146		--keep-tite                        \
147		--ok-label \"\$msg_ok\"            \
148		--cancel-label \"\$msg_cancel\"    \
149		${SHOW_DESC:+--item-help}          \
150		--default-item \"\$defaultitem\"   \
151		--menu \"\$prompt\"                \
152		$height $width $rows               \
153		$RCVAR_MENU_LIST                   \
154		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
155	)
156	local retval=$?
157	f_dialog_data_sanitize menu_choice
158	f_dialog_menutag_store "$menu_choice"
159	f_dialog_default_store "$menu_choice"
160	return $retval
161}
162
163############################################################ MAIN
164
165# Incorporate rc-file if it exists
166[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
167
168#
169# Process command-line arguments
170#
171while getopts h$GETOPTS_STDARGS flag; do
172	case "$flag" in
173	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm";;
174	esac
175done
176shift $(( $OPTIND - 1 ))
177
178#
179# Initialize
180#
181f_dialog_title "$msg_toggle_startup_services"
182f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
183f_mustberoot_init
184
185while :; do
186	dialog_menu_main || f_die
187	f_dialog_menutag_fetch mtag
188
189	case "$mtag" in
190	"X $msg_exit") break ;;
191	*) # Anything else is an rcvar to toggle
192
193		rcvar="${mtag# }"
194		value=$( eval f_dialog_menutag2item${SHOW_DESC:+_with_help} \
195		         	\"\$mtag\" $RCVAR_MENU_LIST )
196
197		# Determine the new [toggled] value to use
198		case "$value" in
199		"[X]"*) value="NO";;
200		     *) value="YES";;
201		esac
202
203		err=$( f_sysrc_set "$rcvar" "$value" 2>&1 ) ||
204			f_dialog_msgbox "$err"
205	esac
206done
207
208exit $SUCCESS
209
210################################################################################
211# END
212################################################################################
213