kern_securelevel revision 252017 
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/security/kern_securelevel 252017 2013-06-20 05:40:11Z 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
37
38BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="130.security"
39f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
40
41SECURELEVEL_HELPFILE=$BSDCFG_LIBE/$APP_DIR/include/securelevel.hlp
42
43ipgm=$( f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
44[ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"
45
46############################################################ FUNCTIONS
47
48# dialog_menu_main
49#
50# Display the dialog(1)-based application main menu.
51#
52dialog_menu_main()
53{
54	local prompt="$msg_securelevels_menu_text"
55	local menu_list="
56		'$msg_disabled'       '$msg_disable_securelevels'
57		'$msg_secure'         '$msg_secure_mode'
58		'$msg_highly_secure'  '$msg_highly_secure_mode'
59		'$msg_network_secure' '$msg_network_secure_mode'
60	" # END-QUOTE
61	local defaultitem= # Calculated below
62	local hline="$hline_select_securelevel_to_operate_at"
63
64	local height width rows
65	eval f_dialog_menu_size height width rows \
66	                        \"\$DIALOG_TITLE\"     \
67	                        \"\$DIALOG_BACKTITLE\" \
68	                        \"\$prompt\"           \
69	                        \"\$hline\"            \
70	                        $menu_list
71
72	case "$( f_sysrc_get kern_securelevel_enable )" in
73	[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
74		case "$( f_sysrc_get kern_securelevel )" in
75		1) defaultitem="$msg_secure"         ;;
76		2) defaultitem="$msg_highly_secure"  ;;
77		3) defaultitem="$msg_network_secure" ;;
78		esac ;;
79	*)
80		defaultitem="$msg_disabled"
81	esac
82
83	local menu_choice
84	menu_choice=$( eval $DIALOG \
85		--title \"\$DIALOG_TITLE\"         \
86		--backtitle \"\$DIALOG_BACKTITLE\" \
87		--hline \"\$hline\"                \
88		--ok-label \"\$msg_ok\"            \
89		--cancel-label \"\$msg_cancel\"    \
90		--help-button                      \
91		--help-label \"\$msg_help\"        \
92		${USE_XDIALOG:+--help \"\"}        \
93		--default-item \"\$defaultitem\"   \
94		--menu \"\$prompt\"                \
95		$height $width $rows               \
96		$menu_list                         \
97		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
98	)
99	local retval=$?
100	f_dialog_menutag_store -s "$menu_choice"
101	return $retval
102}
103
104############################################################ MAIN
105
106# Incorporate rc-file if it exists
107[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
108
109#
110# Process command-line arguments
111#
112while getopts h$GETOPTS_STDARGS flag; do
113	case "$flag" in
114	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm";;
115	esac
116done
117shift $(( $OPTIND - 1 ))
118
119#
120# Initialize
121#
122f_dialog_title "$msg_securelevels_menu_title"
123f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
124f_mustberoot_init
125
126#
127# Launch application main menu (loop for additional `Help' button)
128#
129while :; do
130	dialog_menu_main
131	retval=$?
132	f_dialog_menutag_fetch mtag
133
134	if [ $retval -eq 2 ]; then
135		# The Help button was pressed
136		f_show_help "$SECURELEVEL_HELPFILE"
137		continue
138	elif [ $retval -ne 0 ]; then
139		f_die
140	fi
141
142	break
143done
144
145case "$mtag" in
146"$msg_disabled")
147	f_sysrc_set kern_securelevel_enable "NO"
148	;;
149"$msg_secure")
150	f_sysrc_set kern_securelevel_enable "YES"
151	f_sysrc_set kern_securelevel "1" 
152	;;
153"$msg_highly_secure")
154	f_sysrc_set kern_securelevel_enable "YES"
155	f_sysrc_set kern_securelevel "2" 
156	;;
157"$msg_network_secure")
158	f_sysrc_set kern_securelevel_enable "YES"
159	f_sysrc_set kern_securelevel "3" 
160	;;
161*)
162	f_die 1 "$msg_unknown_kern_securelevel_selection"
163esac
164
165exit $SUCCESS
166
167################################################################################
168# END
169################################################################################
170