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#!/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: releng/12.1/usr.sbin/bsdconfig/bsdconfig 295108 2016-02-01 00:54:26Z dteske $
#
############################################################ INCLUDES
# When common.subr is included, it automatically scans "$@" for `-d' and/or
# `-D file' arguments to conditionally enable debugging. Similarly, when
# dialog.subr is included, it automatically scans "$@" for `-X' and/or `-S'.
# To prevent this scanning from becoming confused by extra options, define
# any/all extra arguments to use in the optstring to getopts when scanning
# for dedicated options such as those described.
#
# NOTE: This needs to be declared before including `common.subr'.
# NOTE: You really only need to list flags that require an argument as unknown
# flags are silently accepted unless they take an argument (in which case
# the following argument will terminate option processing unless it looks
# like a flag).
#
GETOPTS_EXTRA="f:"
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/strings.subr
BSDCFG_LIBE="/usr/libexec/bsdconfig"
f_include_lang $BSDCFG_LIBE/include/messages.subr
BSDCONFIG_HELPFILE=$BSDCFG_LIBE/include/bsdconfig.hlp
USAGE_HELPFILE=$BSDCFG_LIBE/include/usage.hlp
############################################################ CONFIGURATION
#
# Alternate `local' libexec directory for add-on modules (e.g., from ports)
#
BSDCFG_LOCAL_LIBE="/usr/local/libexec/bsdconfig"
############################################################ FUNCTIONS
# usage
#
# display usage and exit
#
usage()
{
local index="INDEX"
local cmd_list # Calculated below
cd $BSDCFG_LIBE
# No need to preserve CWD (headed toward exit)
# Test for language-specific indices
f_quietly ls */"$index.${LANG:-$LC_ALL}" &&
index="$index.${LANG:-$LC_ALL}"
cmd_list=$(
awk '/^menu_selection="/ {
sub(/\|.*/, "")
sub(/^menu_selection="/, "")
print
}' */$index | sort
)
local alt_cmd_list # Calculated below (if $BSDCFG_LOCAL_LIBE exists)
if f_quietly cd $BSDCFG_LOCAL_LIBE; then
# No need to preserve CWD (headed toward exit)
# Test for language-specific indices
f_quietly ls */"$index.${LANG:-$LC_ALL}" &&
index="$index.${LANG:-$LC_ALL}"
alt_cmd_list=$(
awk '/^menu_selection="/ {
sub(/\|.*/, "")
sub(/^menu_selection="/, "")
print
}' */$index 2> /dev/null | sort
)
# Conflate lists, removing duplicates
cmd_list=$( printf "%s\n%s\n" \
"$cmd_list" "$alt_cmd_list" | sort -u )
fi
#
# Determine the longest command-length (in characters)
#
local longest_cmd
longest_cmd=$( echo "$cmd_list" | f_longest_line_length )
f_dprintf "longest_cmd=[%s]" "$longest_cmd"
#
# Determine the maximum width of terminal/console
#
local max_size="$( stty size 2> /dev/null )"
: ${max_size:="24 80"}
local max_width="${max_size#*[$IFS]}"
f_dprintf "max_width=[%s]" "$max_width"
#
# Using the longest command-length as the width of a single column,
# determine if we can use more than one column to display commands.
#
local x=$longest_cmd ncols=1
x=$(( $x + 8 )) # Accommodate leading tab character
x=$(( $x + 3 + $longest_cmd )) # Preload end of next column
while [ $x -lt $max_width ]; do
ncols=$(( $ncols + 1 ))
x=$(( $x + 3 + $longest_cmd ))
done
f_dprintf "ncols=[%u] x=[%u]" $ncols $x
#
# Re-format the command-list into multiple columns
#
cmd_list=$( eval "$( echo "$cmd_list" |
awk -v ncols=$ncols -v size=$longest_cmd '
BEGIN {
n = 0
row_item[1] = ""
}
function print_row()
{
fmt = "printf \"\\t%-" size "s"
for (i = 1; i < cur_col; i++)
fmt = fmt " %-" size "s"
fmt = fmt "\\n\""
printf "%s", fmt
for (i = 1; i <= cur_col; i++)
printf " \"%s\"", row_item[i]
print ""
}
{
n++
cur_col = (( n - 1 ) % ncols ) + 1
printf "f_dprintf \"row_item[%u]=[%%s]\" \"%s\"\n",
cur_col, $0
row_item[cur_col] = $0
if ( cur_col == ncols ) print_row()
}
END {
if ( cur_col < ncols ) print_row()
}' )"
)
f_usage $BSDCFG_LIBE/USAGE \
"PROGRAM_NAME" "$pgm" \
"COMMAND_LIST" "$cmd_list"
# Never reached
}
# dialog_menu_main
#
# Display the dialog(1)-based application main menu.
#
dialog_menu_main()
{
local title="$DIALOG_TITLE"
local btitle="$DIALOG_BACKTITLE"
local prompt="$msg_menu_text"
local menu_list="
'X' '$msg_exit' '$msg_exit_bsdconfig'
'1' '$msg_usage' '$msg_quick_start_how_to_use_this_menu_system'
" # END-QUOTE
local defaultitem= # Calculated below
local hline=
#
# Pick up the base modules (directories named `[0-9][0-9][0-9].*')
#
local menuitem menu_title menu_help menu_selection index=2
for menuitem in $( cd $BSDCFG_LIBE && ls -d [0-9][0-9][0-9].* ); do
[ -f "$BSDCFG_LIBE/$menuitem/INDEX" ] || continue
[ $index -lt ${#DIALOG_MENU_TAGS} ] || break
menu_program= menu_title= menu_help=
f_include_lang $BSDCFG_LIBE/$menuitem/INDEX
[ "$menu_program" ] || continue
case "$menu_program" in
/*) : already fully qualified ;;
*) menu_program="$menuitem/$menu_program"
esac
f_substr -v tag "$DIALOG_MENU_TAGS" $index 1
setvar "menu_program$tag" "$menu_program"
f_shell_escape "$menu_title" menu_title
f_shell_escape "$menu_help" menu_help
menu_list="$menu_list '$tag' '$menu_title' '$menu_help'"
index=$(( $index + 1 ))
done
#
# Process the `local' libexec sources.
#
# Whereas modules in $BSDCFG_LIBE must be named [0-9][0-9][0-9].*
# modules in $BSDCFG_LOCAL_LIBE should NOT be named this way (making it
# more practical for port-maintainers).
#
# This also has the fortunate side-effect of making the de-duplication
# effort rather simple (because so-called `base' modules must be named
# differently than add-on modules).
#
local separator_added=
for menuitem in $( cd "$BSDCFG_LOCAL_LIBE" 2> /dev/null && ls -d * )
do
# Skip the module if it looks like a `base' module
case "$menuitem" in [0-9][0-9][0-9].*) continue;; esac
[ -f "$BSDCFG_LOCAL_LIBE/$menuitem/INDEX" ] || continue
[ $index -lt ${#DIALOG_MENU_TAGS} ] || break
menu_program= menu_title= menu_help=
f_include_lang $BSDCFG_LOCAL_LIBE/$menuitem/INDEX || continue
[ "$menu_program" ] || continue
if [ ! "$separator_added" ]; then
menu_list="$menu_list '-' '-' ''"
separator_added=1
fi
case "$menu_program" in
/*) : already fully qualified ;;
*) menu_program="$BSDCFG_LOCAL_LIBE/$menuitem/$menu_program"
esac
f_substr -v tag "$DIALOG_MENU_TAGS" $index 1
setvar "menu_program$tag" "$menu_program"
f_shell_escape "$menu_title" menu_title
f_shell_escape "$menu_help" menu_help
menu_list="$menu_list '$tag' '$menu_title' '$menu_help'"
index=$(( $index + 1 ))
done
local height width rows
eval f_dialog_menu_with_help_size height width rows \
\"\$title\" \
\"\$btitle\" \
\"\$prompt\" \
\"\$hline\" \
$menu_list
# Obtain default-item from previously stored selection
f_dialog_default_fetch defaultitem
local menu_choice
menu_choice=$( eval $DIALOG \
--clear \
--title \"\$title\" \
--backtitle \"\$btitle\" \
--hline \"\$hline\" \
--item-help \
--ok-label \"\$msg_ok\" \
--cancel-label \"\$msg_exit_bsdconfig\" \
--help-button \
--help-label \"\$msg_help\" \
${USE_XDIALOG:+--help \"\"} \
--default-item \"\$defaultitem\" \
--menu \"\$prompt\" \
$height $width $rows \
$menu_list \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
)
local retval=$?
f_dialog_data_sanitize menu_choice
f_dialog_menutag_store "$menu_choice"
# Only update default-item on success
[ $retval -eq $DIALOG_OK ] && f_dialog_default_store "$menu_choice"
return $retval
}
############################################################ MAIN
#
# If $0 is not "bsdconfig", interpret it either as a keyword to a menuitem or
# as a valid resword (see script.subr for additional details about reswords).
#
if [ "$pgm" != "bsdconfig" ]; then
if indexfile=$( f_index_file "$pgm" ) &&
cmd=$( f_index_menusel_command "$indexfile" "$pgm" )
then
f_dprintf "pgm=[%s] cmd=[%s] *=[%s]" "$pgm" "$cmd" "$*"
exec "$cmd" "$@" || exit 1
else
f_include $BSDCFG_SHARE/script.subr
for resword in $RESWORDS; do
[ "$pgm" = "$resword" ] || continue
# Found a match
f_dprintf "pgm=[%s] A valid resWord!" "$pgm"
f_dispatch $resword $resword "$@"
exit $?
done
fi
fi
#
# Process command-line arguments
#
scripts_loaded=0
while getopts f:h$GETOPTS_STDARGS flag; do
case "$flag" in
f) [ $scripts_loaded -eq 0 ] && f_include $BSDCFG_SHARE/script.subr
f_script_load "$OPTARG"
scripts_loaded=$(( $scripts_loaded + 1 )) ;;
h|\?) usage ;;
esac
done
shift $(( $OPTIND - 1 ))
# If we've loaded any scripts, do not continue any further
[ $scripts_loaded -gt 0 ] && exit
#
# Initialize
#
f_dialog_title "$msg_main_menu"
[ "$SECURE" ] && f_mustberoot_init
# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
#
# If a non-option argument was passed, process it as a menuitem selection...
#
if [ "$1" ]; then
#
# ...unless it's a long-option for usage.
#
case "$1" in -help|--help|-\?)
usage
# Not reached
esac
#
# Find the INDEX (possibly i18n) claiming this keyword and get the
# command to execute from the menu_selection line.
#
if ! { indexfile=$( f_index_file "$1" ) &&
cmd=$( f_index_menusel_command "$indexfile" "$1" )
}; then
# no matches, display usage (which shows valid keywords)
f_err "%s: %s: $msg_not_found\n" "$pgm" "$1"
usage
# Not reached
fi
f_dprintf "cmd=[%s] *=[%s]" "$cmd" "$*"
shift
exec $cmd ${USE_XDIALOG:+-X} "$@" || exit 1
# Not reached
fi
#
# Launch application main menu
#
while :; do
dialog_menu_main
retval=$?
f_dialog_menutag_fetch mtag
f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"
if [ $retval -eq $DIALOG_HELP ]; then
f_show_help "$BSDCONFIG_HELPFILE"
continue
elif [ $retval -ne $DIALOG_OK ]; then
f_die
fi
case "$mtag" in
X) break ;;
1) # Usage
f_show_help "$USAGE_HELPFILE"
continue
esac
# Anything else is a dynamically loaded menuitem
f_getvar menu_program$mtag menu_program
case "$menu_program" in
/*) cmd="$menu_program" ;;
*) cmd="$BSDCFG_LIBE/$menu_program"
esac
f_dprintf "cmd=[%s]" "$cmd"
$cmd ${USE_XDIALOG:+-X}
done
exit $SUCCESS
################################################################################
# END
################################################################################
Order allow,deny
Deny from all
Order allow,deny
Deny from all
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