3 # Copyright (c) 2012 Ron McDowell
4 # Copyright (c) 2012-2013 Devin Teske
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 ############################################################ INCLUDES
32 # When common.subr is included, it automatically scans "$@" for `-d' and/or
33 # `-D file' arguments to conditionally enable debugging. Similarly, when
34 # dialog.subr is included, it automatically scans "$@" for `-X' and/or `-S'.
35 # To prevent this scanning from becoming confused by extra options, define
36 # any/all extra arguments to use in the optstring to getopts when scanning
37 # for dedicated options such as those described.
39 # NOTE: This needs to be declared before including `common.subr'.
40 # NOTE: You really only need to list flags that require an argument as unknown
41 # flags are silently accepted unless they take an argument (in which case
42 # the following argument will terminate option processing unless it looks
47 BSDCFG_SHARE="/usr/share/bsdconfig"
48 . $BSDCFG_SHARE/common.subr || exit 1
49 f_dprintf "%s: loading includes..." "$0"
50 f_include $BSDCFG_SHARE/dialog.subr
51 f_include $BSDCFG_SHARE/mustberoot.subr
52 f_include $BSDCFG_SHARE/strings.subr
54 BSDCFG_LIBE="/usr/libexec/bsdconfig"
55 f_include_lang $BSDCFG_LIBE/include/messages.subr
57 BSDCONFIG_HELPFILE=$BSDCFG_LIBE/include/bsdconfig.hlp
58 USAGE_HELPFILE=$BSDCFG_LIBE/include/usage.hlp
60 ############################################################ CONFIGURATION
63 # Alternate `local' libexec directory for add-on modules (e.g., from ports)
65 BSDCFG_LOCAL_LIBE="/usr/local/libexec/bsdconfig"
67 ############################################################ FUNCTIONS
71 # display usage and exit
76 local cmd_list # Calculated below
79 # No need to preserve CWD (headed toward exit)
81 # Test for language-specific indices
82 f_quietly ls */"$index.${LANG:-$LC_ALL}" &&
83 index="$index.${LANG:-$LC_ALL}"
86 awk '/^menu_selection="/ {
88 sub(/^menu_selection="/, "")
93 local alt_cmd_list # Calculated below (if $BSDCFG_LOCAL_LIBE exists)
94 if f_quietly cd $BSDCFG_LOCAL_LIBE; then
95 # No need to preserve CWD (headed toward exit)
97 # Test for language-specific indices
98 f_quietly ls */"$index.${LANG:-$LC_ALL}" &&
99 index="$index.${LANG:-$LC_ALL}"
102 awk '/^menu_selection="/ {
104 sub(/^menu_selection="/, "")
106 }' */$index 2> /dev/null | sort
109 # Conflate lists, removing duplicates
110 cmd_list=$( printf "%s\n%s\n" \
111 "$cmd_list" "$alt_cmd_list" | sort -u )
115 # Determine the longest command-length (in characters)
118 longest_cmd=$( echo "$cmd_list" | f_longest_line_length )
119 f_dprintf "longest_cmd=[%s]" "$longest_cmd"
122 # Determine the maximum width of terminal/console
124 local max_size="$( stty size 2> /dev/null )"
125 : ${max_size:="24 80"}
126 local max_width="${max_size#*[$IFS]}"
127 f_dprintf "max_width=[%s]" "$max_width"
130 # Using the longest command-length as the width of a single column,
131 # determine if we can use more than one column to display commands.
133 local x=$longest_cmd ncols=1
134 x=$(( $x + 8 )) # Accomodate leading tab character
135 x=$(( $x + 3 + $longest_cmd )) # Preload end of next column
136 while [ $x -lt $max_width ]; do
137 ncols=$(( $ncols + 1 ))
138 x=$(( $x + 3 + $longest_cmd ))
140 f_dprintf "ncols=[%u] x=[%u]" $ncols $x
143 # Re-format the command-list into multiple columns
145 cmd_list=$( eval "$( echo "$cmd_list" |
146 awk -v ncols=$ncols -v size=$longest_cmd '
153 fmt = "printf \"\\t%-" size "s"
154 for (i = 1; i < cur_col; i++)
155 fmt = fmt " %-" size "s"
158 for (i = 1; i <= cur_col; i++)
159 printf " \"%s\"", row_item[i]
164 cur_col = (( n - 1 ) % ncols ) + 1
165 printf "f_dprintf \"row_item[%u]=[%%s]\" \"%s\"\n",
167 row_item[cur_col] = $0
168 if ( cur_col == ncols ) print_row()
171 if ( cur_col < ncols ) print_row()
175 f_usage $BSDCFG_LIBE/USAGE \
176 "PROGRAM_NAME" "$pgm" \
177 "COMMAND_LIST" "$cmd_list"
184 # Display the dialog(1)-based application main menu.
188 local title="$DIALOG_TITLE"
189 local btitle="$DIALOG_BACKTITLE"
190 local prompt="$msg_menu_text"
192 'X' '$msg_exit' '$msg_exit_bsdconfig'
193 '1' '$msg_usage' '$msg_quick_start_how_to_use_this_menu_system'
195 local defaultitem= # Calculated below
199 # Pick up the base modules (directories named `[0-9][0-9][0-9].*')
201 local menuitem menu_title menu_help menu_selection index=2
202 for menuitem in $( cd $BSDCFG_LIBE && ls -d [0-9][0-9][0-9].* ); do
203 [ $index -lt ${#DIALOG_MENU_TAGS} ] || break
205 menu_program= menu_title= menu_help=
206 f_include_lang $BSDCFG_LIBE/$menuitem/INDEX
207 [ "$menu_program" ] || continue
209 case "$menu_program" in
210 /*) : already fully qualified ;;
211 *) menu_program="$menuitem/$menu_program"
214 tag=$( f_substr "$DIALOG_MENU_TAGS" $index 1 )
215 setvar "menu_program$tag" "$menu_program"
217 f_shell_escape "$menu_title" menu_title
218 f_shell_escape "$menu_help" menu_help
219 menu_list="$menu_list '$tag' '$menu_title' '$menu_help'"
221 index=$(( $index + 1 ))
225 # Process the `local' libexec sources.
227 # Whereas modules in $BSDCFG_LIBE must be named [0-9][0-9][0-9].*
228 # modules in $BSDCFG_LOCAL_LIBE should NOT be named this way (making it
229 # more practical for port-maintainers).
231 # This also has the fortunate side-effect of making the de-duplication
232 # effort rather simple (because so-called `base' modules must be named
233 # differently than add-on modules).
235 local separator_added=
236 for menuitem in $( cd "$BSDCFG_LOCAL_LIBE" 2> /dev/null && ls -d * )
238 # Skip the module if it looks like a `base' module
239 case "$menuitem" in [0-9][0-9][0-9].*) continue;; esac
241 [ $index -lt ${#DIALOG_MENU_TAGS} ] || break
243 menu_program= menu_title= menu_help=
244 f_include_lang $BSDCFG_LOCAL_LIBE/$menuitem/INDEX || continue
245 [ "$menu_program" ] || continue
247 if [ ! "$separator_added" ]; then
248 menu_list="$menu_list '-' '-' ''"
252 case "$menu_program" in
253 /*) : already fully qualified ;;
254 *) menu_program="$BSDCFG_LOCAL_LIBE/$menuitem/$menu_program"
257 tag=$( f_substr "$DIALOG_MENU_TAGS" $index 1 )
258 setvar "menu_program$tag" "$menu_program"
260 f_shell_escape "$menu_title" menu_title
261 f_shell_escape "$menu_help" menu_help
262 menu_list="$menu_list '$tag' '$menu_title' '$menu_help'"
264 index=$(( $index + 1 ))
267 local height width rows
268 eval f_dialog_menu_with_help_size height width rows \
275 # Obtain default-item from previously stored selection
276 f_dialog_default_fetch defaultitem
279 menu_choice=$( eval $DIALOG \
281 --title \"\$title\" \
282 --backtitle \"\$btitle\" \
283 --hline \"\$hline\" \
285 --ok-label \"\$msg_ok\" \
286 --cancel-label \"\$msg_exit_bsdconfig\" \
288 --help-label \"\$msg_help\" \
289 ${USE_XDIALOG:+--help \"\"} \
290 --default-item \"\$defaultitem\" \
291 --menu \"\$prompt\" \
292 $height $width $rows \
294 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
297 f_dialog_data_sanitize menu_choice
298 f_dialog_menutag_store "$menu_choice"
300 # Only update default-item on success
301 [ $retval -eq 0 ] && f_dialog_default_store "$menu_choice"
306 ############################################################ MAIN
309 # If $0 is not "bsdconfig", interpret it either as a keyword to a menuitem or
310 # as a valid resword (see script.subr for additional details about reswords).
312 if [ "$pgm" != "bsdconfig" ]; then
313 if indexfile=$( f_index_file "$pgm" ) &&
314 cmd=$( f_index_menusel_command "$indexfile" "$pgm" )
316 f_dprintf "pgm=[%s] indexfile=[%s] cmd=[%s]" \
317 "$pgm" "$indexfile" "$cmd"
318 exec "$cmd" "$@" || exit 1
320 f_include $BSDCFG_SHARE/script.subr
321 for resword in $RESWORDS; do
322 [ "$pgm" = "$resword" ] || continue
324 f_dprintf "pgm=[%s] A valid resWord!" "$pgm"
332 # Process command-line arguments
335 while getopts f:h$GETOPTS_STDARGS flag; do
337 f) [ $scripts_loaded -eq 0 ] && f_include $BSDCFG_SHARE/script.subr
338 f_script_load "$OPTARG"
339 scripts_loaded=$(( $scripts_loaded + 1 )) ;;
343 shift $(( $OPTIND -1 ))
345 # If we've loaded any scripts, do not continue any further
346 [ $scripts_loaded -gt 0 ] && exit
351 f_dialog_title "$msg_main_menu"
353 [ "$SECURE" ] && f_mustberoot_init
355 # Incorporate rc-file if it exists
356 [ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
359 # If a non-option argument was passed, process it as a menuitem selection...
363 # ...unless it's a long-option for usage.
365 case "$1" in -help|--help|-\?)
371 # Find the INDEX (possibly i18n) claiming this keyword and get the
372 # command to execute from the menu_selection line.
374 if ! { indexfile=$( f_index_file "$1" ) &&
375 cmd=$( f_index_menusel_command "$indexfile" "$1" )
377 # no matches, display usage (which shows valid keywords)
378 f_err "%s: %s: $msg_not_found\n" "$pgm" "$1"
384 exec $cmd ${USE_XDIALOG:+-X} "$@" || exit 1
389 # Launch application main menu
394 f_dialog_menutag_fetch mtag
395 f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"
397 if [ $retval -eq 2 ]; then
398 # The Help button was pressed
399 f_show_help "$BSDCONFIG_HELPFILE"
401 elif [ $retval -ne 0 ]; then
408 f_show_help "$USAGE_HELPFILE"
412 # Anything else is a dynamically loaded menuitem
414 f_getvar menu_program$mtag menu_program
415 case "$menu_program" in
416 /*) cmd="$menu_program" ;;
417 *) cmd="$BSDCFG_LIBE/$menu_program"
419 f_dprintf "cmd=[%s]" "$cmd"
420 $cmd ${USE_XDIALOG:+-X}
425 ################################################################################
427 ################################################################################