usr.sbin/bsdconfig/startup/rcvar

   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 (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 # $FreeBSD$
  28 #
  29 ############################################################ INCLUDES
  30
  31 BSDCFG_SHARE="/usr/share/bsdconfig"
  32 . $BSDCFG_SHARE/common.subr || exit 1
  33 f_dprintf "%s: loading includes..." "$0"
  34 f_include $BSDCFG_SHARE/dialog.subr
  35 f_include $BSDCFG_SHARE/mustberoot.subr
  36 f_include $BSDCFG_SHARE/sysrc.subr
  37 f_include $BSDCFG_SHARE/startup/rcvar.subr
  38
  39 BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="140.startup"
  40 f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
  41
  42 ipgm=$( f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
  43 [ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"
  44
  45 ############################################################ GLOBALS
  46
  47 #
  48 # Global map/menu-list for the main menu
  49 #
  50 RCVAR_MAP=
  51 _RCVAR_MAP=
  52
  53 #
  54 # Options
  55 #
  56 # Inherit SHOW_DESC value if set, otherwise default to 1
  57 [ "${SHOW_DESC+set}" ] || SHOW_DESC=1
  58
  59 ############################################################ FUNCTIONS
  60
  61 # dialog_menu_main
  62 #
  63 # Display the dialog(1)-based application main menu.
  64 #
  65 dialog_menu_main()
  66 {
  67         local prompt=
  68         local menu_list="
  69                 'X $msg_exit' '$msg_exit_this_menu'
  70                               ${SHOW_DESC:+'$msg_exit_this_menu'}
  71         " # END-QUOTE
  72         local hline="$hline_arrows_tab_enter"
  73         local defaultitem= # Calculated below
  74
  75         if [ ! "$_RCVAR_MAP" ]; then
  76                 # Generate RCVAR_MAP of `rcvar dflt script desc ...' per-line
  77                 f_dialog_info "$msg_creating_rcvar_map"
  78                 RCVAR_MAP=$( f_startup_rcvar_map )
  79                 export RCVAR_MAP
  80                 export _RCVAR_MAP=1
  81         fi
  82
  83         menu_list="$menu_list $(
  84                 . "$RC_DEFAULTS" > /dev/null
  85                 source_rc_confs > /dev/null
  86                 for rcvar in $( echo "$RCVAR_MAP" | awk '{print $1}' ); do
  87                         eval export $rcvar
  88                 done
  89                 export SHOW_DESC msg_default_value
  90                 echo "$RCVAR_MAP" | awk '
  91                 BEGIN {
  92                         prefix = ""
  93                         rword  = "^[[:space:]]*[^[:space:]]*[[:space:]]*"
  94                 }
  95                 {
  96                         cur_prefix = tolower(substr($1, 1, 1))
  97                         printf "'\''"
  98                         if ( prefix != cur_prefix )
  99                                 prefix = cur_prefix
 100                         else
 101                                 printf " "
 102                         rcvar   = $1
 103                         default = $2
 104                         script  = $3
 105                         printf "%s'\'' '\''", rcvar
 106                         if ( ENVIRON[rcvar] ~ /[Yy][Ee][Ss]/ )
 107                                 printf "[X] "
 108                         else
 109                                 printf "[ ] "
 110                         printf "%s; " ENVIRON["msg_default_value"],
 111                                script, default
 112                         printf "'\''"
 113                         if ( ENVIRON["SHOW_DESC"] ) {
 114                                 desc = $0
 115                                 sub(rword, "", desc)
 116                                 sub(rword, "", desc)
 117                                 sub(rword, "", desc)
 118                                 gsub(/'\''/, "'\''\\'\'\''", desc)
 119                                 printf " '\''%s'\''", desc
 120                         }
 121                         printf "\n"
 122                 }'
 123         )"
 124
 125         set -f # set noglob because descriptions in the $menu_list may
 126                # contain `*' and get expanded by dialog(1). This prevents
 127                # dialog(1) from expanding wildcards in the help line.
 128
 129         local height width rows
 130         eval f_dialog_menu${SHOW_DESC:+_with_help}_size \
 131                 height width rows      \
 132                 \"\$DIALOG_TITLE\"     \
 133                 \"\$DIALOG_BACKTITLE\" \
 134                 \"\$prompt\"           \
 135                 \"\$hline\"            \
 136                 $menu_list
 137
 138         # Obtain default-item from previously stored selection
 139         f_dialog_default_fetch defaultitem
 140
 141         local menu_choice
 142         menu_choice=$( eval $DIALOG \
 143                 --title \"\$DIALOG_TITLE\"         \
 144                 --backtitle \"\$DIALOG_BACKTITLE\" \
 145                 --hline \"\$hline\"                \
 146                 --keep-tite                        \
 147                 --ok-label \"\$msg_ok\"            \
 148                 --cancel-label \"\$msg_cancel\"    \
 149                 ${SHOW_DESC:+--item-help}          \
 150                 --default-item \"\$defaultitem\"   \
 151                 --menu \"\$prompt\"                \
 152                 $height $width $rows               \
 153                 $menu_list                         \
 154                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
 155         )
 156         local retval=$?
 157         f_dialog_data_sanitize menu_choice
 158         f_dialog_menutag_store "$menu_choice"
 159         f_dialog_default_store "$menu_choice"
 160
 161         if [ $retval -eq $SUCCESS ]; then
 162                 local item
 163                 item=$( eval f_dialog_menutag2item${SHOW_DESC:+_with_help} \
 164                                 \"\$menu_choice\" $menu_list )
 165                 f_dialog_menuitem_store "$item"
 166         fi
 167
 168         return $retval
 169 }
 170
 171 ############################################################ MAIN
 172
 173 # Incorporate rc-file if it exists
 174 [ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
 175
 176 #
 177 # Process command-line arguments
 178 #
 179 while getopts h$GETOPTS_STDARGS flag; do
 180         case "$flag" in
 181         h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
 182         esac
 183 done
 184 shift $(( $OPTIND - 1 ))
 185
 186 #
 187 # Initialize
 188 #
 189 f_dialog_title "$msg_toggle_startup_services"
 190 f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
 191 f_mustberoot_init
 192
 193 #
 194 # Launch application main menu
 195 #
 196 while :; do
 197         dialog_menu_main || f_die
 198         f_dialog_menutag_fetch mtag
 199
 200         [ "$mtag" = "X $msg_exit" ] && break
 201
 202         # Anything else is an rcvar to toggle
 203
 204         rcvar="${mtag# }"
 205         f_dialog_menuitem_fetch value
 206
 207         # Determine the new [toggled] value to use
 208         case "$value" in
 209         "[X]"*) value="NO" ;;
 210              *) value="YES"
 211         esac
 212
 213         err=$( f_sysrc_set "$rcvar" "$value" 2>&1 ) || f_dialog_msgbox "$err"
 214 done
 215
 216 exit $SUCCESS
 217
 218 ################################################################################
 219 # END
 220 ################################################################################