xref: /freebsd/usr.sbin/bsdconfig/password/share/password.subr (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1if [ ! "$_PASSWORD_PASSWORD_SUBR" ]; then _PASSWORD_PASSWORD_SUBR=1
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 (INCLUDING, 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#
28############################################################ INCLUDES
29
30BSDCFG_SHARE="/usr/share/bsdconfig"
31. $BSDCFG_SHARE/common.subr || exit 1
32f_dprintf "%s: loading includes..." password/password.subr
33f_include $BSDCFG_SHARE/dialog.subr
34
35BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="040.password"
36f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
37
38############################################################ FUNCTIONS
39
40# f_dialog_input_password
41#
42# Prompt the user to enter a password (twice). If the user does not cancel or
43# press ESC, the $pw_password environment variable will hold the password.
44#
45f_dialog_input_password()
46{
47	local prompt1="$msg_enter_new_password"
48	local prompt2="$msg_reenter_password"
49	local hline="$hline_alnum_punc_tab_enter"
50
51	local height1 width1
52	f_dialog_inputbox_size height1 width1 \
53	                       "$DIALOG_TITLE"     \
54	                       "$DIALOG_BACKTITLE" \
55	                       "$prompt1"          \
56	                       ""                  \
57	                       "$hline"
58
59	local height2 width2
60	f_dialog_inputbox_size height2 width2 \
61	                       "$DIALOG_TITLE"     \
62	                       "$DIALOG_BACKTITLE" \
63	                       "$prompt2"          \
64	                       ""                  \
65	                       "$hline"
66
67	#
68	# Loop until the user provides taint-free/valid input
69	#
70	local _password1 _password2
71	while :; do
72		_password1=$( $DIALOG \
73			--title "$DIALOG_TITLE"         \
74			--backtitle "$DIALOG_BACKTITLE" \
75			--hline "$hline"                \
76			--ok-label "$msg_ok"            \
77			--cancel-label "$msg_cancel"    \
78			--insecure                      \
79			--passwordbox "$prompt1"        \
80			$height1 $width1                \
81			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
82		) || return $?
83			# Return if user either pressed ESC or chose Cancel/No
84		debug= f_dialog_line_sanitize _password1
85
86		_password2=$( $DIALOG \
87			--title "$DIALOG_TITLE"         \
88			--backtitle "$DIALOG_BACKTITLE" \
89			--hline "$hline"                \
90			--ok-label "$msg_ok"            \
91			--cancel-label "$msg_cancel"    \
92			--insecure                      \
93			--passwordbox "$prompt2"        \
94			$height2 $width2                \
95			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
96		) || return $?
97			# Return if user either pressed ESC or chose Cancel/No
98		debug= f_dialog_line_sanitize _password2
99
100		# Check for NULL entry
101		if ! [ "$_password1" -o "$_password2" ]; then
102			f_show_msg "$msg_password_is_empty"
103			continue
104		fi
105
106		# Check for password mismatch
107		if [ "$_password1" != "$_password2" ]; then
108			f_show_msg "$msg_passwords_do_not_match"
109			continue
110		fi
111
112		pw_password="$_password1"
113		break
114	done
115
116	return $DIALOG_OK
117}
118
119############################################################ MAIN
120
121f_dprintf "%s: Successfully loaded." password/password.subr
122
123fi # ! $_PASSWORD_PASSWORD_SUBR
124