diff options
Diffstat (limited to 'contrib/bsddialog/bsdconfig/startup/share/rcvar.subr')
| -rw-r--r-- | contrib/bsddialog/bsdconfig/startup/share/rcvar.subr | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/contrib/bsddialog/bsdconfig/startup/share/rcvar.subr b/contrib/bsddialog/bsdconfig/startup/share/rcvar.subr deleted file mode 100644 index c1a6ff2443e2..000000000000 --- a/contrib/bsddialog/bsdconfig/startup/share/rcvar.subr +++ /dev/null @@ -1,236 +0,0 @@ -if [ ! "$_STARTUP_RCVAR_SUBR" ]; then _STARTUP_RCVAR_SUBR=1 -# -# Copyright (c) 2006-2013 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. -# -# $FreeBSD$ -# -############################################################ INCLUDES - -BSDCFG_SHARE="/usr/share/bsdconfig" -. $BSDCFG_SHARE/common.subr || exit 1 -f_dprintf "%s: loading includes..." startup/rcvar.subr -f_include $BSDCFG_SHARE/sysrc.subr - -############################################################ CONFIGURATION - -# -# Default path to the `/etc/rc.d' directory where service(8) scripts are stored -# -: ${ETC_RC_D:=/etc/rc.d} - -# -# Default path to `/etc/rc.subr' (for find_local_scripts_new()) -# -: ${ETC_RC_SUBR:=/etc/rc.subr} - -############################################################ GLOBALS - -# -# Initialize in-memory cache variables -# -STARTUP_RCVAR_MAP= -_STARTUP_RCVAR_MAP= - -# -# Define what an rcvar looks like -# -STARTUP_RCVAR_REGEX='[[:alpha:]_][[:alnum:]_]*="([Yy][Ee][Ss]|[Nn][Oo])"' - -# -# Default path to on-disk cache file(s) -# -STARTUP_RCVAR_MAP_CACHEFILE="/var/run/bsdconfig/startup_rcvar_map.cache" - -############################################################ FUNCTIONS - -# f_startup_rcvar_map [$var_to_set] -# -# Produce a map (beit from in-memory cache or on-disk cache) of rc.d scripts -# and their associated rcvar's. The map returned has the following format: -# -# rcvar default script description -# -# With each as follows: -# -# rcvar the variable used to enable this rc.d script -# default default value for this variable -# script the rc.d script in-question -# description description of the variable from rc.conf(5) defaults -# -# If $var_to_set is missing or NULL, the map is printed to standard output for -# capturing in a sub-shell (which is less-recommended because of performance -# degredation; for example, when called in a loop). -# -f_startup_rcvar_map() -{ - local __funcname=f_startup_rcvar_map - local __var_to_set="$1" - - # If the in-memory cached value is available, return it immediately - if [ "$_STARTUP_RCVAR_MAP" ]; then - if [ "$__var_to_set" ]; then - setvar "$__var_to_set" "$STARTUP_RCVAR_MAP" - else - echo "$STARTUP_RCVAR_MAP" - fi - return $SUCCESS - fi - - # - # create the in-memory cache (potentially from validated on-disk cache) - # - - # Get a list of /etc/rc.d scripts ... - local __file __rc_script_list= - for __file in "$ETC_RC_D"/*; do - [ -f "$__file" ] || continue - [ -x "$__file" ] || continue - __rc_script_list="$__rc_script_list $__file" - done - # ... and /usr/local/etc/rc.d scripts - __rc_script_list="$__rc_script_list $( - local_startup=$( f_sysrc_get local_startup ) - f_include "$ETC_RC_SUBR" - find_local_scripts_new - echo $local_rc - )" - __rc_script_list="${__rc_script_list# }" # Trim leading space - - # - # Calculate a digest given the checksums of all dependencies (scripts - # and the defaults file). This digest will be used to determine if an - # on-disk global persistent cache file (containg this digest on the - # first line) is valid and can be used to quickly populate the cache - # value for immediate return. - # - local __rc_script_list_digest - __rc_script_list_digest=$( cd "$ETC_RC_D" 2> /dev/null && - cksum "$RC_DEFAULTS" $__rc_script_list 2> /dev/null | md5 ) - - # - # Check to see if the global persistent cache file exists - # - if [ -f "$STARTUP_RCVAR_MAP_CACHEFILE" ]; then - # - # Attempt to populate the in-memory cache with the (soon to be) - # validated on-disk cache. If validation fails, fall-back to - # the current value and return error. - # - STARTUP_RCVAR_MAP=$( - ( # Get digest as first word on first line - read digest rest_ignored - - # - # If the stored digest matches the calculated- - # one populate the in-memory cache from the on- - # disk cache and return success. - # - if [ "$digest" = "$__rc_script_list_digest" ] - then - cat - exit $SUCCESS - else - # Otherwise, return the current value - echo "$STARTUP_RCVAR_MAP" - exit $FAILURE - fi - ) < "$STARTUP_RCVAR_MAP_CACHEFILE" - ) - local __retval=$? - export STARTUP_RCVAR_MAP # Make children faster (export cache) - if [ $__retval -eq $SUCCESS ]; then - export _STARTUP_RCVAR_MAP=1 - if [ "$__var_to_set" ]; then - setvar "$__var_to_set" "$STARTUP_RCVAR_MAP" - else - echo "$STARTUP_RCVAR_MAP" - fi - return $SUCCESS - fi - # Otherwise, fall-thru to create in-memory cache from scratch - fi - - # - # If we reach this point, we need to generate the data from scratch - # (and after we do, we'll attempt to create the global persistent - # cache file to speed up future executions). - # - - STARTUP_RCVAR_MAP=$( - for script in $__rc_script_list; do - rcvar_list=$( $script rcvar 2> /dev/null | awk -F= \ - -v script="$script" ' - /^'"$STARTUP_RCVAR_REGEX"'/ { - if ( $2 ~ /^"[Yy][Ee][Ss]"$/ ) - print $1 ",YES" - else - print $1 ",NO" - }' ) - for entry in $rcvar_list; do - rcvar="${entry%%,*}" - rcvar_default=$( f_sysrc_get_default "$rcvar" ) - [ "$rcvar_default" ] || - rcvar_default="${entry#*,}" - rcvar_desc=$( f_sysrc_desc "$rcvar" ) - echo $rcvar ${rcvar_default:-NO} \ - $script "$rcvar_desc" - done - done | sort -u - ) - export STARTUP_RCVAR_MAP - export _STARTUP_RCVAR_MAP=1 - if [ "$__var_to_set" ]; then - setvar "$__var_to_set" "$STARTUP_RCVAR_MAP" - else - echo "$STARTUP_RCVAR_MAP" - fi - - # - # Attempt to create/update the persistent global cache - # - - # Create a new temporary file to write to - local __tmpfile - f_eval_catch -dk __tmpfile $__funcname mktemp \ - 'mktemp -t "%s"' "$__tmpfile" || return $FAILURE - - # Write the temporary file contents - echo "$__rc_script_list_digest" > "$__tmpfile" - echo "$STARTUP_RCVAR_MAP" >> "$__tmpfile" - - # Finally, move the temporary file into place - case "$STARTUP_RCVAR_MAP_CACHEFILE" in - */*) f_eval_catch -d $__funcname mkdir \ - 'mkdir -p "%s"' "${STARTUP_RCVAR_MAP_CACHEFILE%/*}" - esac - f_eval_catch -d $__funcname mv \ - 'mv "%s" "%s"' "$__tmpfile" "$STARTUP_RCVAR_MAP_CACHEFILE" -} - -############################################################ MAIN - -f_dprintf "%s: Successfully loaded." startup/rcvar.subr - -fi # ! $_STARTUP_RCVAR_SUBR |