rcdelete revision 251236
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/rcdelete 251236 2013-06-01 23:58:44Z 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/rcconf.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="$ipgm" 44 45############################################################ GLOBALS 46 47# 48# Global map/menu-list for the main menu 49# 50RCCONF_MAP= 51RCCONF_MENU_LIST= 52 53# 54# Options 55# 56# Inherit SHOW_DESC value if set, otherwise default to 1 57[ "${SHOW_DESC+set}" ] || SHOW_DESC=1 58# Selectively inherit SHOW_* value (in order of preference) 59if [ "$SHOW_DEFAULT_VALUE" ]; then 60 SHOW_DEFAULT_VALUE=1 61 SHOW_CONFIGURED= 62 SHOW_VALUE= 63elif [ "$SHOW_CONFIGURED" ]; then 64 SHOW_DEFAULT_VALUE= 65 SHOW_CONFIGURED=1 66 SHOW_VALUE= 67else 68 SHOW_DEFAULT_VALUE= 69 SHOW_CONFIGURED= 70 SHOW_VALUE=1 71fi 72 73############################################################ FUNCTIONS 74 75# dialog_create_main 76# 77# Create the dialog(1) main menu. Separated from dialog_menu_main (used to 78# display the menu) to speed up execution (we only call this function when 79# initializing or changing the view details). 80# 81dialog_create_main() 82{ 83 # Show infobox for modes that take a while to calculate/display 84 [ "$SHOW_DEFAULT_VALUE" -o "$SHOW_CONFIGURED" ] && 85 f_dialog_info "$msg_creating_menu_list" 86 87 RCCONF_MENU_LIST=$( 88 . "$RC_DEFAULTS" > /dev/null 89 source_rc_confs > /dev/null 90 var_list=$( f_startup_rcconf_list ) 91 for var in $var_list; do 92 eval export $var 93 [ "$SHOW_DEFAULT_VALUE" ] && export \ 94 _${var}_default="$( f_sysrc_get_default $var )" 95 [ "$SHOW_CONFIGURED" ] && export \ 96 _${var}_file="$( f_sysrc_find $var )" 97 done 98 export SHOW_VALUE SHOW_DESC SHOW_DEFAULT_VALUE SHOW_CONFIGURED 99 export msg_default_value 100 echo "$var_list" | awk ' 101 BEGIN { 102 prefix = "" 103 } 104 { 105 cur_prefix = tolower(substr($1, 1, 1)) 106 printf "'\''" 107 if ( prefix != cur_prefix ) 108 prefix = cur_prefix 109 else 110 printf " " 111 var = $1 112 printf "%s'\'' '\''[", var 113 if ( ENVIRON["_" var "_delete"] ) 114 printf "X" 115 else 116 printf " " 117 printf "] " 118 if ( ENVIRON["SHOW_DEFAULT_VALUE"] ) { 119 default = ENVIRON["_" var "_default"] 120 gsub(/'\''/, "'\''\\'\'\''", default) 121 value = ENVIRON[var] 122 gsub(/'\''/, "'\''\\'\'\''", value) 123 printf ENVIRON["msg_default_value"] "; %s", 124 default, value 125 } else if ( ENVIRON["SHOW_CONFIGURED"] ) { 126 printf "%s", ENVIRON["_" var "_file"] 127 } else { # SHOW_VALUE (default behavior) 128 value = ENVIRON[var] 129 gsub(/'\''/, "'\''\\'\'\''", value) 130 printf "%s", value 131 } 132 printf "'\''" 133 if ( ENVIRON["SHOW_DESC"] ) { 134 desc = ENVIRON["_" var "_desc"] 135 gsub(/'\''/, "'\''\\'\'\''", desc) 136 printf " '\''%s'\''", desc 137 } 138 printf "\n" 139 }' 140 ) 141} 142 143# dialog_menu_main 144# 145# Display the dialog(1)-based application main menu. 146# 147dialog_menu_main() 148{ 149 local hline="$hline_arrows_tab_enter" 150 local prompt="" 151 152 # 153 # [Re-]Accent the menu list before incorporating it 154 # 155 local rcconf_var details help menu_buf delete 156 eval set -- $RCCONF_MENU_LIST 157 while [ $# -gt 0 ]; do 158 rcconf_var="$1" details="$2" delete= 159 f_shell_escape "$details" details 160 if [ "$SHOW_DESC" ]; then 161 help="$3" 162 f_shell_escape "$help" help 163 shift 3 # rcconf_var/details/help 164 else 165 shift 2 # rcconf_var/details 166 fi 167 168 # Update mark 169 f_getvar _${rcconf_var# }_delete delete 170 if [ "$delete" ]; then 171 details="[X]${details#???}" 172 else 173 details="[ ]${details#???}" 174 fi 175 176 # Update buffer with modified elements 177 menu_buf="$menu_buf 178 '$rcconf_var' '$details' ${SHOW_DESC:+'$help'}" # End-Quote 179 done 180 181 local menu_list=" 182 'X $msg_exit_cancel' '$msg_exit_cancel_desc' 183 ${SHOW_DESC:+'$msg_exit_cancel_help'} 184 '> $msg_delete_selected' '$msg_delete_selected_desc' 185 ${SHOW_DESC:+'$msg_delete_selected_help'} 186 '> $msg_all' '$msg_all_desc' 187 ${SHOW_DESC:+'$msg_all_help'} 188 '> $msg_none' '$msg_none_desc' 189 ${SHOW_DESC:+'$msg_none_help'} 190 ${USE_XDIALOG:+ 191 '> $msg_view_details' '$msg_view_details_desc' 192 ${SHOW_DESC:+'$msg_view_details_help'} 193 } 194 $menu_buf 195 " # END-QUOTE 196 197 set -f # noglob (descriptions in $RCCONF_MENU_LIST may contain *) 198 199 local height width rows 200 eval f_dialog_menu${SHOW_DESC:+_with_help}_size \ 201 height width rows \ 202 \"\$DIALOG_TITLE\" \ 203 \"\$DIALOG_BACKTITLE\" \ 204 \"\$prompt\" \ 205 \"\$hline\" \ 206 $menu_list 207 208 local menu_choice 209 menu_choice=$( eval $DIALOG \ 210 --title \"\$DIALOG_TITLE\" \ 211 --backtitle \"\$DIALOG_BACKTITLE\" \ 212 --hline \"\$hline\" \ 213 --keep-tite \ 214 --ok-label \"\$msg_ok\" \ 215 --cancel-label \"\$msg_cancel\" \ 216 --help-button \ 217 --help-label \"\$msg_details\" \ 218 ${SHOW_DESC:+--item-help} \ 219 --default-item \"\$DEFAULTITEM_$$\" \ 220 --menu \"\$prompt\" \ 221 $height $width $rows \ 222 $menu_list \ 223 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD 224 ) 225 local retval=$? 226 f_dialog_data_sanitize menu_choice 227 f_dialog_menutag_store "$menu_choice" 228 229 # Only update default-item on success 230 [ $retval -eq 0 ] && setvar DEFAULTITEM_$$ "$menu_choice" 231 232 return $retval 233} 234 235# dialog_menu_confirm_delete $var1 [$var2 ...] 236# 237# Get the user's blessing to delete one or more variables. Returns success if 238# (and only-if) the user confirms (does not press ESC or Cancel/NO). Does NOT 239# return the user's menu-choice. 240# 241dialog_menu_confirm_delete() 242{ 243 local hline="$hline_arrows_tab_enter" 244 local prompt="$msg_are_you_sure_you_want_delete_the_following" 245 local var_list menu_list 246 247 [ $# -ge 1 ] || return $FAILURE 248 249 if [ $# -eq 1 ]; then 250 f_noyes "$msg_are_you_sure_you_want_to_delete" "$delete_vars" 251 return $? 252 fi 253 254 var_list=$( for var in $*; do echo "$var"; done | sort -u ) 255 menu_list=$( 256 . "$RC_DEFAULTS" 257 source_rc_confs 258 echo "$var_list" | awk ' 259 BEGIN { 260 prefix = "" 261 } 262 { 263 cur_prefix = tolower(substr($1, 1, 1)) 264 printf "'\''" 265 if ( prefix != cur_prefix ) 266 prefix = cur_prefix 267 else 268 printf " " 269 var = $1 270 printf "%s'\'' '\'\''\n", var 271 }' 272 ) 273 274 local height width rows 275 eval f_dialog_menu_size height width rows \ 276 \"\$DIALOG_TITLE\" \ 277 \"\$DIALOG_BACKTITLE\" \ 278 \"\$prompt\" \ 279 \"\$hline\" \ 280 $menu_list 281 282 local defaultno="defaultno" 283 [ "$USE_XDIALOG" ] && defaultno="default-no" 284 285 eval $DIALOG \ 286 --title \"\$DIALOG_TITLE\" \ 287 --backtitle \"\$DIALOG_BACKTITLE\" \ 288 --hline \"\$hline\" \ 289 --$defaultno \ 290 --ok-label \"\$msg_ok\" \ 291 --cancel-label \"\$msg_cancel\" \ 292 --menu \"\$prompt\" \ 293 $height $width $rows \ 294 $menu_list \ 295 2> /dev/null 296 297 # Menu choice ignored; status of above command returned 298} 299 300############################################################ MAIN 301 302# Incorporate rc-file if it exists 303[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc" 304 305# 306# Process command-line arguments 307# 308while getopts h$GETOPTS_STDARGS flag; do 309 case "$flag" in 310 h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm";; 311 esac 312done 313shift $(( $OPTIND - 1 )) 314 315# 316# Initialize 317# 318f_dialog_title "$msg_delete_startup_directives" 319f_dialog_backtitle "${ipgm:+bsdconfig }$pgm" 320f_mustberoot_init 321 322# Genreate $RCCONF_MAP of `var desc ...' per-line (see share/rcconf.subr) 323f_dialog_info "$msg_creating_rcconf_map" 324f_startup_rcconf_map RCCONF_MAP 325 326# Generate _${var}_desc variables from $RCCONF_MAP 327f_startup_rcconf_map_expand RCCONF_MAP 328 329# Generate RCCONF_MENU_LIST from $RCCONF_MAP 330dialog_create_main 331 332while :; do 333 dialog_menu_main 334 retval=$? 335 f_dialog_menutag_fetch mtag 336 337 if [ "$USE_XDIALOG" ]; then 338 case "$mtag" in "> $msg_view_details") 339 f_dialog_input_view_details && dialog_create_main 340 continue 341 esac 342 elif [ $retval -eq 2 ]; then 343 # The ``Help'' button (labeled "Details") was pressed 344 f_dialog_input_view_details && dialog_create_main 345 continue 346 fi 347 348 [ $retval -eq 0 ] || f_die 349 350 case "$mtag" in 351 "X $msg_exit_cancel") break ;; 352 "> $msg_delete_selected") 353 delete_vars= 354 for var in $( f_startup_rcconf_list ); do 355 [ "$( eval echo \$_${var}_delete )" ] || continue 356 delete_vars="$delete_vars${delete_vars:+ }$var" 357 done 358 unset var # no longer needed 359 if dialog_menu_confirm_delete $delete_vars; then 360 f_dialog_title "$msg_info" 361 f_dialog_info "$msg_deleting_selected_directives" 362 f_dialog_title_restore 363 for var in $delete_vars; do 364 err=$( f_sysrc_delete $var 2>&1 ) 365 if [ $? -ne $SUCCESS ]; then 366 f_dialog_msgbox "$err\n" 367 break 368 fi 369 done 370 unset var # no longer needed 371 dialog_create_main 372 fi 373 ;; 374 "> $msg_all") 375 for var in $( f_startup_rcconf_list ); do 376 setvar _${var}_delete 1 377 export _${var}_delete 378 done 379 unset var # no longer needed 380 ;; 381 "> $msg_none") 382 var_list=$( set | awk -F= " 383 /$STARTUP_RCCONF_REGEX/ { 384 if (\$1 ~ /^_[[:alpha:]_][[:alnum:]_]*_delete/) 385 print \$1 386 }" 387 ) 388 [ "$var_list" ] && unset $var_list 389 unset var_list # no longer needed 390 ;; 391 *) # Anything else is a variable to edit 392 var="${mtag# }" 393 394 # Toggle the state-variable and loop back to menu 395 if f_isset _${var}_delete; then 396 unset _${var}_delete 397 else 398 setvar _${var}_delete 1 399 export _${var}_delete 400 fi 401 unset var # no longer needed 402 esac 403done 404 405exit $SUCCESS 406 407################################################################################ 408# END 409################################################################################ 410