1 # $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $
4 # Copyright (c) 1997-2004 The NetBSD Foundation, Inc.
7 # This code is derived from software contributed to The NetBSD Foundation
10 # Redistribution and use in source and binary forms, with or without
11 # modification, are permitted provided that the following conditions
13 # 1. Redistributions of source code must retain the above copyright
14 # notice, this list of conditions and the following disclaimer.
15 # 2. Redistributions in binary form must reproduce the above copyright
16 # notice, this list of conditions and the following disclaimer in the
17 # documentation and/or other materials provided with the distribution.
19 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 # POSSIBILITY OF SUCH DAMAGE.
32 # functions used by various rc scripts
35 : ${RC_PID:=$$}; export RC_PID
38 # Operating System dependent/independent variables
41 if [ -n "${_rc_subr_loaded}" ]; then
48 SYSCTL_N="${SYSCTL} -n"
50 PROTECT="/usr/bin/protect"
52 IDCMD="if [ -x $ID ]; then $ID -un; fi"
55 # rc_service provides the path to the service script that we are executing.
56 # This is not being set here in an execution context, necessarily, so it's
57 # really just a reasonable guess, and it will get overwritten later if
58 # we are executing from some other means than direct execution by service(8)
59 # or manual invocation of the service script. The prime example of this is
60 # during system startup, all rc scripts will be invoked via /etc/rc, so
61 # run_rc_script will overwrite rc_service with the file being sourced.
69 # List variables matching glob pattern.
73 # Localize 'set' option below.
75 local IFS=$'\n' line varname
77 # Disable path expansion in unquoted 'for' parameters below.
80 for line in $(set); do
84 "$line"|*[!a-zA-Z0-9_]*)
94 # set_rcvar [var] [defval] [desc]
96 # Echo or define a rc.conf(5) variable name. Global variable
99 # If no argument is specified, echo "${name}_enable".
101 # If only a var is specified, echo "${var}_enable".
103 # If var and defval are specified, the ${var} is defined as
104 # rc.conf(5) variable and the default value is ${defvar}. An
105 # optional argument $desc can also be specified to add a
106 # description for that.
113 0) echo ${name}_enable ;;
114 1) echo ${1}_enable ;;
116 debug "set_rcvar: \$$1=$2 is added" \
117 " as a rc.conf(5) variable."
119 rcvars="${rcvars# } $_var"
120 eval ${_var}_defval=\"$2\"
122 eval ${_var}_desc=\"$*\"
127 # set_rcvar_obsolete oldvar [newvar] [msg]
128 # Define obsolete variable.
129 # Global variable $rcvars_obsolete is used.
135 debug "set_rcvar_obsolete: \$$1(old) -> \$$2(new) is defined"
137 rcvars_obsolete="${rcvars_obsolete# } $1"
138 eval ${1}_newvar=\"$2\"
140 eval ${_var}_obsolete_msg=\"$*\"
144 # force_depend script [rcvar]
145 # Force a service to start. Intended for use by services
146 # to resolve dependency issues.
147 # $1 - filename of script, in /etc/rc.d, to run
148 # $2 - name of the script's rcvar (minus the _enable)
152 local _depend _dep_rcvar
155 _dep_rcvar="${2:-$1}_enable"
157 [ -n "$rc_fast" ] && ! checkyesno always_force_depends &&
158 checkyesno $_dep_rcvar && return 0
160 /etc/rc.d/${_depend} forcestatus >/dev/null 2>&1 && return 0
162 info "${name} depends on ${_depend}, which will be forced to start."
163 if ! /etc/rc.d/${_depend} forcestart; then
164 warn "Unable to force ${_depend}. It may already be running."
171 # Test $1 variable, and warn if not set to YES or NO.
172 # Return 0 if it's "yes" (et al), nonzero otherwise.
177 debug "checkyesno: $1 is set to $_value."
180 # "yes", "true", "on", or "1"
181 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
185 # "no", "false", "off", or "0"
186 [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
190 warn "\$${1} is not set properly - see rc.conf(5)."
198 # print the list in reverse order
204 _revlist="$_revfile $_revlist"
210 # If booting directly to multiuser or $always is enabled,
211 # send SIGTERM to the parent (/etc/rc) to abort the boot.
212 # Otherwise just exit.
219 # "yes", "true", "on", or "1"
220 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
227 if [ "$autoboot" = yes -o "$always" = true ]; then
228 echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!"
235 # mount_critical_filesystems type
236 # Go through the list of critical filesystems as provided in
237 # the rc.conf(5) variable $critical_filesystems_${type}, checking
238 # each one to see if it is mounted, and if it is not, mounting it.
240 mount_critical_filesystems()
242 eval _fslist=\$critical_filesystems_${1}
243 for _fs in $_fslist; do
246 while read what _on on _type type; do
247 if [ $on = $_fs ]; then
254 mount $_fs >/dev/null 2>&1
261 # check_pidfile pidfile procname [interpreter]
262 # Parses the first line of pidfile for a PID, and ensures
263 # that the process is running and matches procname.
264 # Prints the matching PID upon success, nothing otherwise.
265 # interpreter is optional; see _find_processes() for details.
272 if [ -z "$_pidfile" -o -z "$_procname" ]; then
273 err 3 'USAGE: check_pidfile pidfile procname [interpreter]'
275 if [ ! -f $_pidfile ]; then
276 debug "pid file ($_pidfile): not readable."
279 read _pid _junk < $_pidfile
280 if [ -z "$_pid" ]; then
281 debug "pid file ($_pidfile): no pid in file."
284 _find_processes $_procname ${_interpreter:-.} '-p '"$_pid"
288 # check_process procname [interpreter]
289 # Ensures that a process (or processes) named procname is running.
290 # Prints a list of matching PIDs.
291 # interpreter is optional; see _find_processes() for details.
297 if [ -z "$_procname" ]; then
298 err 3 'USAGE: check_process procname [interpreter]'
300 _find_processes $_procname ${_interpreter:-.} '-ax'
304 # _find_processes procname interpreter psargs
305 # Search for procname in the output of ps generated by psargs.
306 # Prints the PIDs of any matching processes, space separated.
308 # If interpreter == ".", check the following variations of procname
309 # against the first word of each command:
311 # `basename procname`
312 # `basename procname` + ":"
313 # "(" + `basename procname` + ")"
314 # "[" + `basename procname` + "]"
316 # If interpreter != ".", read the first line of procname, remove the
317 # leading #!, normalise whitespace, append procname, and attempt to
318 # match that against each command, either as is, or with extra words
319 # at the end. As an alternative, to deal with interpreted daemons
320 # using perl, the basename of the interpreter plus a colon is also
321 # tried as the prefix to procname.
325 if [ $# -ne 3 ]; then
326 err 3 'USAGE: _find_processes procname interpreter psargs'
333 if [ $_interpreter != "." ]; then # an interpreted script
334 _script="${_chroot}${_chroot:+/}$_procname"
335 if [ -r "$_script" ]; then
336 read _interp < $_script # read interpreter name
339 _interp=${_interp#\#!} # strip #!
343 shift # drop env to get real name
346 if [ $_interpreter != $1 ]; then
347 warn "\$command_interpreter $_interpreter != $1"
351 warn "no shebang line in $_script"
356 warn "cannot read shebang line from $_script"
359 _interp="$* $_procname" # cleanup spaces, add _procname
362 _fp_match='case "$_argv" in
363 ${_interp}|"${_interp} "*|"[${_interpbn}]"|"${_interpbn}: ${_procname}"*)'
364 else # a normal daemon
365 _procnamebn=${_procname##*/}
366 _fp_args='_arg0 _argv'
367 _fp_match='case "$_arg0" in
368 $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")'
372 $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' |
373 while read _npid _jid '"$_fp_args"'; do
375 if [ "$JID" -eq "$_jid" ];
376 then echo -n "$_pref$_npid";
383 # debug "in _find_processes: proccheck is ($_proccheck)."
387 # sort_lite [-b] [-n] [-k POS] [-t SEP]
388 # A lite version of sort(1) (supporting a few options) that can be used
389 # before the real sort(1) is available (e.g., in scripts that run prior
390 # to mountcritremote). Requires only shell built-in functionality.
394 local funcname=sort_lite
395 local sort_sep="$IFS" sort_ignore_leading_space=
396 local sort_field=0 sort_strict_fields= sort_numeric=
397 local nitems=0 skip_leading=0 trim=
400 while getopts bnk:t: flag; do
402 b) sort_ignore_leading_space=1 ;;
403 n) sort_numeric=1 sort_ignore_leading_space=1 ;;
404 k) sort_field="${OPTARG%%,*}" ;; # only up to first comma
405 # NB: Unlike sort(1) only one POS allowed
406 t) sort_sep="$OPTARG"
407 if [ ${#sort_sep} -gt 1 ]; then
408 echo "$funcname: multi-character tab \`$sort_sep'" >&2
416 shift $(( $OPTIND - 1 ))
418 # Create transformation pattern to trim leading text if desired
419 case "$sort_field" in
420 ""|[!0-9]*|*[!0-9.]*)
421 echo "$funcname: invalid sort field \`$sort_field'" >&2
425 skip_leading=${sort_field#*.} sort_field=${sort_field%%.*}
426 while [ ${skip_leading:-0} -gt 1 ] 2> /dev/null; do
427 trim="$trim?" skip_leading=$(( $skip_leading - 1 ))
431 # Copy input to series of local numbered variables
432 # NB: IFS of NULL preserves leading whitespace
434 while IFS= read -r LINE || [ "$LINE" ]; do
435 nitems=$(( $nitems + 1 ))
436 local src_$nitems="$LINE"
440 # Sort numbered locals using insertion sort
442 local curitem curitem_orig curitem_mod curitem_haskey
443 local dest dest_orig dest_mod dest_haskey
446 while [ $i -le $nitems ]; do
447 curitem_haskey=1 # Assume sort field (-k POS) exists
448 eval curitem=\"\$src_$i\"
449 curitem_mod="$curitem" # for modified comparison
450 curitem_orig="$curitem" # for original comparison
452 # Trim leading whitespace if desired
453 if [ "$sort_ignore_leading_space" ]; then
454 while case "$curitem_orig" in
455 [$IFS]*) : ;; *) false; esac
457 curitem_orig="${curitem_orig#?}"
459 curitem_mod="$curitem_orig"
462 # Shift modified comparison value if sort field (-k POS) is > 1
464 while [ $n -gt 1 ]; do
465 case "$curitem_mod" in
467 # Cut text up-to (and incl.) first separator
468 curitem_mod="${curitem_mod#*[$sort_sep]}"
470 # Skip NULLs unless strict field splitting
471 [ "$sort_strict_fields" ] ||
472 [ "${curitem_mod%%[$sort_sep]*}" ] ||
477 # Asked for a field that doesn't exist
478 curitem_haskey= break
483 # Trim trailing words if sort field >= 1
484 [ $sort_field -ge 1 -a "$sort_numeric" ] &&
485 curitem_mod="${curitem_mod%%[$sort_sep]*}"
487 # Apply optional trim (-k POS.TRIM) to cut leading characters
488 curitem_mod="${curitem_mod#$trim}"
490 # Determine the type of modified comparison to use initially
491 # NB: Prefer numerical if requested but fallback to standard
492 case "$curitem_mod" in
493 ""|[!0-9]*) # NULL or begins with non-number
495 [ "$sort_numeric" ] && curitem_mod=0
498 if [ "$sort_numeric" ]; then
500 curitem_mod="${curitem_mod%%[!0-9]*}"
501 # NB: trailing non-digits removed
502 # otherwise numeric comparison fails
508 # If first time through, short-circuit below position-search
509 if [ $i -le 1 ]; then
516 # Find appropriate element position
520 dest_haskey=$curitem_haskey
521 eval dest=\"\$dest_$d\"
522 dest_mod="$dest" # for modified comparison
523 dest_orig="$dest" # for original comparison
525 # Trim leading whitespace if desired
526 if [ "$sort_ignore_leading_space" ]; then
527 while case "$dest_orig" in
528 [$IFS]*) : ;; *) false; esac
530 dest_orig="${dest_orig#?}"
532 dest_mod="$dest_orig"
535 # Shift modified value if sort field (-k POS) is > 1
537 while [ $n -gt 1 ]; do
540 # Cut text up-to (and incl.) 1st sep
541 dest_mod="${dest_mod#*[$sort_sep]}"
543 # Skip NULLs unless strict fields
544 [ "$sort_strict_fields" ] ||
545 [ "${dest_mod%%[$sort_sep]*}" ] ||
550 # Asked for a field that doesn't exist
556 # Trim trailing words if sort field >= 1
557 [ $sort_field -ge 1 -a "$sort_numeric" ] &&
558 dest_mod="${dest_mod%%[$sort_sep]*}"
560 # Apply optional trim (-k POS.TRIM), cut leading chars
561 dest_mod="${dest_mod#$trim}"
563 # Determine type of modified comparison to use
564 # NB: Prefer numerical if requested, fallback to std
566 ""|[!0-9]*) # NULL or begins with non-number
568 [ "$sort_numeric" ] && dest_mod=0
571 if [ "$sort_numeric" ]; then
573 dest_mod="${dest_mod%%[!0-9]*}"
574 # NB: kill trailing non-digits
575 # for numeric comparison safety
581 # Break if we've found the proper element position
582 if [ "$curitem_haskey" -a "$dest_haskey" ]; then
583 if [ "$dest_mod" = "$curitem_mod" ]; then
584 [ "$dest_orig" ">" "$curitem_orig" ] &&
586 elif [ "$dest_mod" $gt "$curitem_mod" ] \
592 [ "$dest_orig" ">" "$curitem_orig" ] && break
595 # Break if we've hit the end
596 [ $d -ge $i ] && break
601 # Shift remaining positions forward, making room for new item
603 while [ $n -ge $d ]; do
604 # Shift destination item forward one placement
605 eval dest_$(( $n + 1 ))=\"\$dest_$n\"
610 if [ $i -eq 1 ]; then
611 local dest_1="$curitem"
613 local dest_$d="$curitem"
619 # Print sorted results
621 while [ $d -le $nitems ]; do
622 eval echo \"\$dest_$d\"
628 # wait_for_pids pid [pid ...]
629 # spins until none of the pids exist
633 local _list _prefix _nlist _j
636 if [ -z "$_list" ]; then
643 if kill -0 $_j 2>/dev/null; then
644 _nlist="${_nlist}${_nlist:+ }$_j"
645 [ -n "$_prefix" ] && sleep 1
648 if [ -z "$_nlist" ]; then
652 echo -n ${_prefix:-"Waiting for PIDS: "}$_list
654 pwait $_list 2>/dev/null
656 if [ -n "$_prefix" ]; then
662 # get_pidfile_from_conf string file
664 # Takes a string to search for in the specified file.
665 # Ignores lines with traditional comment characters.
669 # if get_pidfile_from_conf string file; then
670 # pidfile="$_pidfile_from_conf"
672 # pidfile='appropriate default'
675 get_pidfile_from_conf()
677 if [ -z "$1" -o -z "$2" ]; then
678 err 3 "USAGE: get_pidfile_from_conf string file ($name)"
681 local string file line
683 string="$1" ; file="$2"
685 if [ ! -s "$file" ]; then
686 err 3 "get_pidfile_from_conf: $file does not exist ($name)"
691 *[#\;]*${string}*) continue ;;
692 *${string}*) break ;;
696 if [ -n "$line" ]; then
698 _pidfile_from_conf="/${line%%[\"\;]*}"
706 # If rc_quiet is set (usually as a result of using faststart at
707 # boot time) check if rc_startmsgs is enabled.
711 if [ -n "$rc_quiet" ]; then
712 checkyesno rc_startmsgs
719 # run_rc_command argument
720 # Search for argument in the list of supported commands, which is:
721 # "start stop restart rcvar status poll ${extra_commands}"
722 # If there's a match, run ${argument}_cmd or the default method
725 # If argument has a given prefix, then change the operation as follows:
728 # fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes
729 # force Set ${rcvar} to YES, and set rc_force=yes
730 # one Set ${rcvar} to YES
731 # quiet Don't output some diagnostics, and set rc_quiet=yes
733 # The following globals are used:
735 # Name Needed Purpose
736 # ---- ------ -------
737 # name y Name of script.
739 # command n Full path to command.
740 # Not needed if ${rc_arg}_cmd is set for
743 # command_args n Optional args/shell directives for command.
745 # command_interpreter n If not empty, command is interpreted, so
746 # call check_{pidfile,process}() appropriately.
748 # desc n Description of script.
750 # extra_commands n List of extra commands supported.
752 # pidfile n If set, use check_pidfile $pidfile $command,
753 # otherwise use check_process $command.
754 # In either case, only check if $command is set.
756 # procname n Process name to check for instead of $command.
758 # rcvar n This is checked with checkyesno to determine
759 # if the action should be run.
761 # ${name}_program n Full path to command.
762 # Meant to be used in /etc/rc.conf to override
765 # ${name}_chroot n Directory to chroot to before running ${command}
766 # Requires /usr to be mounted.
768 # ${name}_chdir n Directory to cd to before running ${command}
769 # (if not using ${name}_chroot).
771 # ${name}_flags n Arguments to call ${command} with.
772 # NOTE: $flags from the parent environment
773 # can be used to override this.
775 # ${name}_env n Environment variables to run ${command} with.
777 # ${name}_env_file n File to source variables to run ${command} with.
779 # ${name}_fib n Routing table number to run ${command} with.
781 # ${name}_nice n Nice level to run ${command} at.
783 # ${name}_oomprotect n Don't kill ${command} when swap space is exhausted.
785 # ${name}_user n User to run ${command} as, using su(1) if not
786 # using ${name}_chroot.
787 # Requires /usr to be mounted.
789 # ${name}_group n Group to run chrooted ${command} as.
790 # Requires /usr to be mounted.
792 # ${name}_groups n Comma separated list of supplementary groups
793 # to run the chrooted ${command} with.
794 # Requires /usr to be mounted.
796 # ${name}_prepend n Command added before ${command}.
798 # ${name}_login_class n Login class to use, else "daemon".
800 # ${name}_limits n limits(1) to apply to ${command}.
802 # ${rc_arg}_cmd n If set, use this as the method when invoked;
803 # Otherwise, use default command (see below)
805 # ${rc_arg}_precmd n If set, run just before performing the
806 # ${rc_arg}_cmd method in the default
807 # operation (i.e, after checking for required
808 # bits and process (non)existence).
809 # If this completes with a non-zero exit code,
810 # don't run ${rc_arg}_cmd.
812 # ${rc_arg}_postcmd n If set, run just after performing the
813 # ${rc_arg}_cmd method, if that method
814 # returned a zero exit code.
816 # required_dirs n If set, check for the existence of the given
817 # directories before running a (re)start command.
819 # required_files n If set, check for the readability of the given
820 # files before running a (re)start command.
822 # required_modules n If set, ensure the given kernel modules are
823 # loaded before running a (re)start command.
824 # The check and possible loads are actually
825 # done after start_precmd so that the modules
826 # aren't loaded in vain, should the precmd
827 # return a non-zero status to indicate a error.
828 # If a word in the list looks like "foo:bar",
829 # "foo" is the KLD file name and "bar" is the
830 # module name. If a word looks like "foo~bar",
831 # "foo" is the KLD file name and "bar" is a
832 # egrep(1) pattern matching the module name.
833 # Otherwise the module name is assumed to be
834 # the same as the KLD file name, which is most
835 # common. See load_kld().
837 # required_vars n If set, perform checkyesno on each of the
838 # listed variables before running the default
841 # Default behaviour for a given argument, if no override method is
844 # Argument Default behaviour
845 # -------- -----------------
846 # start if !running && checkyesno ${rcvar}
850 # rc_pid=$(check_pidfile $pidfile $command)
852 # rc_pid=$(check_process $command)
853 # kill $sig_stop $rc_pid
854 # wait_for_pids $rc_pid
855 # ($sig_stop defaults to TERM.)
857 # reload Similar to stop, except use $sig_reload instead,
858 # and doesn't wait_for_pids.
859 # $sig_reload defaults to HUP.
860 # Note that `reload' isn't provided by default,
861 # it should be enabled via $extra_commands.
863 # restart Run `stop' then `start'.
865 # status Show if ${command} is running, etc.
867 # poll Wait for ${command} to exit.
869 # rcvar Display what rc.conf variable is used (if any).
871 # enabled Return true if the service is enabled.
873 # describe Show the service's description
875 # extracommands Show the service's extra commands
877 # Variables available to methods, and after run_rc_command() has
882 # rc_arg Argument to command, after fast/force/one processing
885 # rc_flags Flags to start the default command with.
886 # Defaults to ${name}_flags, unless overridden
887 # by $flags from the environment.
888 # This variable may be changed by the precmd method.
890 # rc_service Path to the service being executed, in case the service
891 # needs to re-invoke itself.
893 # rc_pid PID of command (if appropriate)
895 # rc_fast Not empty if "fast" was provided (q.v.)
897 # rc_force Not empty if "force" was provided (q.v.)
899 # rc_quiet Not empty if "quiet" was provided
906 if [ -z "$name" ]; then
907 err 3 'run_rc_command: $name is not set.'
910 # Don't repeat the first argument when passing additional command-
911 # line arguments to the command subroutines.
918 fast*) # "fast" prefix; don't check pid
919 rc_arg=${rc_arg#fast}
923 force*) # "force" prefix; always run
926 rc_arg=${rc_arg#${_rc_prefix}}
927 if [ -n "${rcvar}" ]; then
931 one*) # "one" prefix; set ${rcvar}=yes
933 rc_arg=${rc_arg#${_rc_prefix}}
934 if [ -n "${rcvar}" ]; then
938 quiet*) # "quiet" prefix; omit some messages
940 rc_arg=${rc_arg#${_rc_prefix}}
945 eval _override_command=\$${name}_program
946 command=${_override_command:-$command}
948 _keywords="start stop restart rcvar enable disable delete enabled describe extracommands $extra_commands"
951 _procname=${procname:-${command}}
953 # setup pid check command
954 if [ -n "$_procname" ]; then
955 if [ -n "$pidfile" ]; then
956 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')'
958 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')'
960 _keywords="${_keywords} status poll"
963 if [ -z "$rc_arg" ]; then
967 if [ "$rc_arg" = "enabled" ] ; then
972 if [ -n "$flags" ]; then # allow override from environment
975 eval rc_flags=\$${name}_flags
977 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \
978 _nice=\$${name}_nice _user=\$${name}_user \
979 _group=\$${name}_group _groups=\$${name}_groups \
980 _fib=\$${name}_fib _env=\$${name}_env \
981 _prepend=\$${name}_prepend _login_class=\${${name}_login_class:-daemon} \
982 _limits=\$${name}_limits _oomprotect=\$${name}_oomprotect \
983 _env_file=\$${name}_env_file
985 if [ -n "$_env_file" ] && [ -r "${_env_file}" ]; then # load env from file
991 if [ -n "$_user" ]; then # unset $_user if running as that user
992 if [ "$_user" = "$(eval $IDCMD)" ]; then
997 [ -z "$autoboot" ] && eval $_pidcmd # determine the pid if necessary
999 for _elem in $_keywords; do
1000 if [ "$_elem" != "$rc_arg" ]; then
1003 # if ${rcvar} is set, $1 is not "rcvar", "describe",
1004 # "enable" or "delete", and ${rc_pid} is not set, run:
1005 # checkyesno ${rcvar}
1006 # and return if that failed
1008 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" \
1009 -a "$rc_arg" != "delete" -a "$rc_arg" != "enable" \
1010 -a "$rc_arg" != "describe" ] ||
1011 [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then
1012 if ! checkyesno ${rcvar}; then
1013 if [ -n "${rc_quiet}" ]; then
1016 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to "
1017 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' "
1018 echo "instead of '${rc_arg}'."
1023 if [ $rc_arg = "start" -a -z "$rc_fast" -a -n "$rc_pid" ]; then
1024 if [ -z "$rc_quiet" ]; then
1025 echo 1>&2 "${name} already running? " \
1031 # if there's a custom ${XXX_cmd},
1032 # run that instead of the default
1034 eval _cmd=\$${rc_arg}_cmd \
1035 _precmd=\$${rc_arg}_precmd \
1036 _postcmd=\$${rc_arg}_postcmd
1038 if [ -n "$_cmd" ]; then
1039 if [ -n "$_env" ]; then
1040 eval "export -- $_env"
1042 _run_rc_precmd || return 1
1043 _run_rc_doit "$_cmd $rc_extra_args" || return 1
1048 case "$rc_arg" in # default operations...
1051 if [ -n "$desc" ]; then
1057 echo "$extra_commands"
1061 _out=$(/usr/sbin/sysrc -vs "$name" "$rcvar=YES") &&
1062 echo "$name enabled in ${_out%%:*}"
1066 _out=$(/usr/sbin/sysrc -vs "$name" "$rcvar=NO") &&
1067 echo "$name disabled in ${_out%%:*}"
1072 for _file in $(sysrc -lEs "$name"); do
1073 _out=$(sysrc -Fif $_file "$rcvar") && _files="$_files $_file"
1075 /usr/sbin/sysrc -x "$rcvar" && echo "$rcvar deleted in ${_files# }"
1076 # delete file in rc.conf.d if desired and empty.
1077 checkyesno service_delete_empty || _files=
1078 for _file in $_files; do
1079 [ "$_file" = "${_file#*/rc.conf.d/}" ] && continue
1080 [ $(/usr/bin/stat -f%z $_file) -gt 0 ] && continue
1081 /bin/rm "$_file" && echo "Empty file $_file removed"
1086 _run_rc_precmd || return 1
1087 if [ -n "$rc_pid" ]; then
1088 echo "${name} is running as pid $rc_pid."
1090 echo "${name} is not running."
1097 if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then
1098 warn "run_rc_command: cannot run $command"
1102 if ! _run_rc_precmd; then
1103 warn "failed precmd routine for ${name}"
1107 # setup the full command to run
1109 check_startmsgs && echo "Starting ${name}."
1110 if [ -n "$_chroot" ]; then
1113 ${_nice:+nice -n $_nice }\
1114 ${_fib:+setfib -F $_fib }\
1115 ${_env:+env $_env }\
1116 chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\
1117 $_chroot $command $rc_flags $command_args"
1119 _cd="${_chdir:+cd $_chdir && }"
1121 ${_fib:+setfib -F $_fib }\
1122 ${_env:+env $_env }\
1123 $command $rc_flags $command_args"
1124 if [ -n "$_user" ]; then
1125 _doit="su -m $_user -c 'sh -c \"$_doit\"'"
1127 if [ -n "$_nice" ]; then
1128 if [ -z "$_user" ]; then
1129 _doit="sh -c \"$_doit\""
1131 _doit="nice -n $_nice $_doit"
1133 if [ -n "$_prepend" ]; then
1134 _doit="$_prepend $_doit"
1138 # Prepend default limits
1139 _doit="$_cd limits -C $_login_class $_limits $_doit"
1141 # run the full command
1143 if ! _run_rc_doit "$_doit"; then
1144 warn "failed to start ${name}"
1148 # finally, run postcmd
1154 if [ -z "$rc_pid" ]; then
1155 [ -n "$rc_fast" ] && return 0
1160 _run_rc_precmd || return 1
1162 # send the signal to stop
1164 echo "Stopping ${name}."
1165 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}")
1166 _run_rc_doit "$_doit" || return 1
1168 # wait for the command to exit,
1170 wait_for_pids $rc_pid
1176 if [ -z "$rc_pid" ]; then
1181 _run_rc_precmd || return 1
1183 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}")
1184 _run_rc_doit "$_doit" || return 1
1190 # prevent restart being called more
1191 # than once by any given script
1193 if ${_rc_restart_done:-false}; then
1196 _rc_restart_done=true
1198 _run_rc_precmd || return 1
1200 # run those in a subshell to keep global variables
1201 ( run_rc_command ${_rc_prefix}stop $rc_extra_args )
1202 ( run_rc_command ${_rc_prefix}start $rc_extra_args )
1204 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1
1210 _run_rc_precmd || return 1
1211 if [ -n "$rc_pid" ]; then
1212 wait_for_pids $rc_pid
1219 if [ -n "$desc" ]; then
1225 # Get unique vars in $rcvar $rcvars
1226 for _v in $rcvar $rcvars; do
1228 $_v\ *|\ *$_v|*\ $_v\ *) ;;
1229 *) v="${v# } $_v" ;;
1233 # Display variables.
1235 if [ -z "$_v" ]; then
1239 eval _desc=\$${_v}_desc
1240 eval _defval=\$${_v}_defval
1243 eval echo \"$_v=\\\"\$$_v\\\"\"
1244 # decode multiple lines of _desc
1245 while [ -n "$_desc" ]; do
1248 echo "# $_h ${_desc%%^^*}"
1253 echo "# $_h ${_desc}"
1258 echo "# (default: \"$_defval\")"
1269 # Apply protect(1) to the PID if ${name}_oomprotect is set.
1272 # We cannot use protect(1) inside jails.
1273 if [ -n "$_oomprotect" ] && [ -f "${PROTECT}" ] &&
1274 [ "$(sysctl -n security.jail.jailed)" -eq 0 ]; then
1275 pid=$(check_process $command)
1276 case $_oomprotect in
1278 ${PROTECT} -i -p ${pid}
1281 ${PROTECT} -p ${pid}
1291 echo 1>&2 "$0: unknown directive '$rc_arg'."
1297 # Helper functions for run_rc_command: common code.
1298 # They use such global variables besides the exported rc_* ones:
1301 # ------------------
1308 check_required_before "$rc_arg" || return 1
1310 if [ -n "$_precmd" ]; then
1311 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args"
1312 eval "$_precmd $rc_extra_args"
1315 # If precmd failed and force isn't set, request exit.
1316 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then
1321 check_required_after "$rc_arg" || return 1
1328 if [ -n "$_postcmd" ]; then
1329 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args"
1330 eval "$_postcmd $rc_extra_args"
1338 debug "run_rc_command: doit: $*"
1342 # If command failed and force isn't set, request exit.
1343 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then
1350 _run_rc_notrunning()
1354 if [ -n "$pidfile" ]; then
1355 _pidmsg=" (check $pidfile)."
1359 echo 1>&2 "${name} not running?${_pidmsg}"
1366 _cmd="kill -$1 $rc_pid"
1367 if [ -n "$_user" ]; then
1368 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'"
1374 # run_rc_script file arg
1375 # Start the script `file' with `arg', and correctly handle the
1376 # return value from the script.
1377 # If `file' ends with `.sh' and lives in /etc/rc.d, ignore it as it's
1378 # an old-style startup file.
1379 # If `file' ends with `.sh' and does not live in /etc/rc.d, it's sourced
1380 # into the current environment if $rc_fast_and_loose is set; otherwise
1381 # it is run as a child process.
1382 # If `file' appears to be a backup or scratch file, ignore it.
1383 # Otherwise if it is executable run as a child process.
1389 if [ -z "$_file" -o -z "$_arg" ]; then
1390 err 3 'USAGE: run_rc_script file arg'
1393 unset name command command_args command_interpreter \
1394 extra_commands pidfile procname \
1395 rcvar rcvars rcvars_obsolete required_dirs required_files \
1397 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd
1401 /etc/rc.d/*.sh) # no longer allowed in the base
1402 warn "Ignoring old-style startup script $_file"
1404 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip
1405 warn "Ignoring scratch file $_file"
1407 *) # run in subshell
1408 if [ -x $_file ]; then
1409 if [ -n "$rc_fast_and_loose" ]; then
1412 ( trap "echo Script $_file interrupted >&2 ; kill -QUIT $$" 3
1413 trap "echo Script $_file interrupted >&2 ; exit 1" 2
1414 trap "echo Script $_file running >&2" 29
1415 set $_arg; . $_file )
1423 # load_rc_config [service]
1424 # Source in the configuration file(s) for a given service.
1425 # If no service is specified, only the global configuration
1426 # file(s) will be loaded.
1430 local _name _rcvar_val _var _defval _v _msg _new _d
1433 if ${_rc_conf_loaded:-false}; then
1436 if [ -r /etc/defaults/rc.conf ]; then
1437 debug "Sourcing /etc/defaults/rc.conf"
1438 . /etc/defaults/rc.conf
1440 elif [ -r /etc/rc.conf ]; then
1441 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)."
1444 _rc_conf_loaded=true
1447 # If a service name was specified, attempt to load
1448 # service-specific configuration
1449 if [ -n "$_name" ] ; then
1450 for _d in /etc ${local_startup}; do
1452 if [ -f ${_d}/rc.conf.d/"$_name" ]; then
1453 debug "Sourcing ${_d}/rc.conf.d/$_name"
1454 . ${_d}/rc.conf.d/"$_name"
1455 elif [ -d ${_d}/rc.conf.d/"$_name" ] ; then
1457 for _rc in ${_d}/rc.conf.d/"$_name"/* ; do
1458 if [ -f "$_rc" ] ; then
1459 debug "Sourcing $_rc"
1467 # Set defaults if defined.
1468 for _var in $rcvar $rcvars; do
1469 eval _defval=\$${_var}_defval
1470 if [ -n "$_defval" ]; then
1471 eval : \${$_var:=\$${_var}_defval}
1475 # check obsolete rc.conf variables
1476 for _var in $rcvars_obsolete; do
1478 eval _msg=\$${_var}_obsolete_msg
1479 eval _new=\$${_var}_newvar
1484 if [ -z "$_new" ]; then
1487 eval $_new=\"\$$_var\"
1488 if [ -z "$_msg" ]; then
1489 _msg="Use \$$_new instead."
1492 warn "\$$_var is obsolete. $_msg"
1499 # load_rc_config_var name var
1500 # Read the rc.conf(5) var for name and set in the
1501 # current shell, using load_rc_config in a subshell to prevent
1502 # unwanted side effects from other variable assignments.
1504 load_rc_config_var()
1506 if [ $# -ne 2 ]; then
1507 err 3 'USAGE: load_rc_config_var name var'
1510 load_rc_config '$1' >/dev/null;
1511 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then
1512 echo '$2'=\'\''${'$2'}\'\'';
1519 # Print a usage string for $0, with `commands' being a list of
1524 echo -n 1>&2 "Usage: $0 [fast|force|one|quiet]("
1528 echo -n 1>&2 "$_sep$_elem"
1536 # err exitval message
1537 # Display message to stderr and log to the syslog, and exit with exitval.
1544 if [ -x /usr/bin/logger ]; then
1545 logger "$0: ERROR: $*"
1547 echo 1>&2 "$0: ERROR: $*"
1553 # Display message to stderr and log to the syslog.
1557 if [ -x /usr/bin/logger ]; then
1558 logger "$0: WARNING: $*"
1560 echo 1>&2 "$0: WARNING: $*"
1565 # Display informational message to stdout and log to syslog.
1570 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
1571 if [ -x /usr/bin/logger ]; then
1572 logger "$0: INFO: $*"
1581 # If debugging is enabled in rc.conf output message to stderr.
1582 # BEWARE that you don't call any subroutine that itself calls this
1588 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
1589 if [ -x /usr/bin/logger ]; then
1590 logger "$0: DEBUG: $*"
1592 echo 1>&2 "$0: DEBUG: $*"
1598 # backup_file action file cur backup
1599 # Make a backup copy of `file' into `cur', and save the previous
1600 # version of `cur' as `backup'.
1602 # The `action' keyword can be one of the following:
1604 # add `file' is now being backed up (and is possibly
1605 # being reentered into the backups system). `cur'
1608 # update `file' has changed and needs to be backed up.
1609 # If `cur' exists, it is copied to `back'
1610 # and then `file' is copied to `cur'.
1612 # remove `file' is no longer being tracked by the backups
1613 # system. `cur' is moved `back'.
1625 if [ -f $_cur ]; then
1629 chown root:wheel $_cur
1637 # make_symlink src link
1638 # Make a symbolic link 'link' to src from basedir. If the
1639 # directory in which link is to be created does not exist
1640 # a warning will be displayed and an error will be returned.
1641 # Returns 0 on success, 1 otherwise.
1645 local src link linkdir _me
1648 linkdir="`dirname $link`"
1649 _me="make_symlink()"
1651 if [ -z "$src" -o -z "$link" ]; then
1652 warn "$_me: requires two arguments."
1655 if [ ! -d "$linkdir" ]; then
1656 warn "$_me: the directory $linkdir does not exist."
1659 if ! ln -sf $src $link; then
1660 warn "$_me: unable to make a symbolic link from $link to $src"
1666 # devfs_rulesets_from_file file
1667 # Reads a set of devfs commands from file, and creates
1668 # the specified rulesets with their rules. Returns non-zero
1669 # if there was an error.
1671 devfs_rulesets_from_file()
1673 local file _err _me _opts
1675 _me="devfs_rulesets_from_file"
1678 if [ -z "$file" ]; then
1679 warn "$_me: you must specify a file"
1682 if [ ! -e "$file" ]; then
1683 debug "$_me: no such file ($file)"
1687 # Disable globbing so that the rule patterns are not expanded
1688 # by accident with matching filesystem entries.
1691 debug "reading rulesets from file ($file)"
1699 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"`
1700 if [ -z "$rulenum" ]; then
1701 warn "$_me: cannot extract rule number ($line)"
1705 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"`
1706 if [ -z "$rulename" ]; then
1707 warn "$_me: cannot extract rule name ($line)"
1711 eval $rulename=\$rulenum
1712 debug "found ruleset: $rulename=$rulenum"
1713 if ! /sbin/devfs rule -s $rulenum delset; then
1719 rulecmd="${line%%"\#*"}"
1720 # evaluate the command incase it includes
1722 if [ -n "$rulecmd" ]; then
1723 debug "adding rule ($rulecmd)"
1724 if ! eval /sbin/devfs rule -s $rulenum $rulecmd
1732 if [ $_err -ne 0 ]; then
1733 debug "error in $_me"
1737 case $_opts in *f*) ;; *) set +f ;; esac
1741 # devfs_init_rulesets
1742 # Initializes rulesets from configuration files. Returns
1743 # non-zero if there was an error.
1745 devfs_init_rulesets()
1748 _me="devfs_init_rulesets"
1750 # Go through this only once
1751 if [ -n "$devfs_rulesets_init" ]; then
1752 debug "$_me: devfs rulesets already initialized"
1755 for file in $devfs_rulesets; do
1756 if ! devfs_rulesets_from_file $file; then
1757 warn "$_me: could not read rules from $file"
1761 devfs_rulesets_init=1
1762 debug "$_me: devfs rulesets initialized"
1766 # devfs_set_ruleset ruleset [dir]
1767 # Sets the default ruleset of dir to ruleset. The ruleset argument
1768 # must be a ruleset name as specified in devfs.rules(5) file.
1769 # Returns non-zero if it could not set it successfully.
1774 [ -n "$1" ] && eval rs=\$$1 || rs=
1775 [ -n "$2" ] && devdir="-m "$2"" || devdir=
1776 _me="devfs_set_ruleset"
1778 if [ -z "$rs" ]; then
1779 warn "$_me: you must specify a ruleset number"
1782 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })"
1783 if ! /sbin/devfs $devdir ruleset $rs; then
1784 warn "$_me: unable to set ruleset $rs to ${devdir#-m }"
1790 # devfs_apply_ruleset ruleset [dir]
1791 # Apply ruleset number $ruleset to the devfs mountpoint $dir.
1792 # The ruleset argument must be a ruleset name as specified
1793 # in a devfs.rules(5) file. Returns 0 on success or non-zero
1794 # if it could not apply the ruleset.
1796 devfs_apply_ruleset()
1799 [ -n "$1" ] && eval rs=\$$1 || rs=
1800 [ -n "$2" ] && devdir="-m "$2"" || devdir=
1801 _me="devfs_apply_ruleset"
1803 if [ -z "$rs" ]; then
1804 warn "$_me: you must specify a ruleset"
1807 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })"
1808 if ! /sbin/devfs $devdir rule -s $rs applyset; then
1809 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }"
1815 # devfs_domount dir [ruleset]
1816 # Mount devfs on dir. If ruleset is specified it is set
1817 # on the mount-point. It must also be a ruleset name as specified
1818 # in a devfs.rules(5) file. Returns 0 on success.
1824 [ -n "$2" ] && rs=$2 || rs=
1825 _me="devfs_domount()"
1827 if [ -z "$devdir" ]; then
1828 warn "$_me: you must specify a mount-point"
1831 debug "$_me: mount-point is ($devdir), ruleset is ($rs)"
1832 if ! mount -t devfs dev "$devdir"; then
1833 warn "$_me: Unable to mount devfs on $devdir"
1836 if [ -n "$rs" ]; then
1838 devfs_set_ruleset $rs $devdir
1839 devfs -m $devdir rule applyset
1844 # Provide a function for normalizing the mounting of memory
1845 # filesystems. This should allow the rest of the code here to remain
1846 # as close as possible between 5-current and 4-stable.
1849 # $3 = (optional) extra mdmfs flags
1852 if [ -n "$3" ]; then
1855 /sbin/mdmfs $flags -s $1 ${mfs_type} $2
1858 # Code common to scripts that need to load a kernel module
1859 # if it isn't in the kernel yet. Syntax:
1860 # load_kld [-e regex] [-m module] file
1861 # where -e or -m chooses the way to check if the module
1862 # is already loaded:
1863 # regex is egrep'd in the output from `kldstat -v',
1864 # module is passed to `kldstat -m'.
1865 # The default way is as though `-m file' were specified.
1868 local _loaded _mod _opt _re
1870 while getopts "e:m:" _opt; do
1873 m) _mod="$OPTARG" ;;
1874 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;;
1877 shift $(($OPTIND - 1))
1878 if [ $# -ne 1 ]; then
1879 err 3 'USAGE: load_kld [-e regex] [-m module] file'
1883 if [ -n "$_re" ]; then
1884 if kldstat -v | egrep -q -e "$_re"; then
1888 if kldstat -q -m "$_mod"; then
1893 if ! kldload "$1"; then
1894 warn "Unable to load kernel module $1"
1897 info "$1 kernel module loaded."
1900 debug "load_kld: $1 kernel module already loaded."
1905 # ltr str src dst [var]
1906 # Change every $src in $str to $dst.
1907 # Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor
1908 # awk(1). If var is non-NULL, set it to the result.
1911 local _str _src _dst _out _com _var
1919 for _com in ${_str}; do
1920 if [ -z "${_out}" ]; then
1923 _out="${_out}${_dst}${_com}"
1926 if [ -n "${_var}" ]; then
1927 setvar "${_var}" "${_out}"
1933 # Creates a list of providers for GELI encryption.
1936 local devices devices2
1937 local provider mountpoint type options rest
1939 # Create list of GELI providers from fstab.
1940 while read provider mountpoint type options rest ; do
1941 case ":${options}" in
1950 case ":${provider}" in
1955 # Skip swap devices.
1956 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then
1959 devices="${devices} ${provider}"
1964 # Append providers from geli_devices.
1965 devices="${devices} ${geli_devices}"
1967 for provider in ${devices}; do
1968 provider=${provider%.eli}
1969 provider=${provider#/dev/}
1970 devices2="${devices2} ${provider}"
1976 # Originally, root mount hold had to be released before mounting
1977 # the root filesystem. This delayed the boot, so it was changed
1978 # to only wait if the root device isn't readily available. This
1979 # can result in rc scripts executing before all the devices - such
1980 # as graid(8), or USB disks - can be accessed. This function can
1981 # be used to explicitly wait for root mount holds to be released.
1984 local wait waited holders
1988 holders="$(sysctl -n vfs.root_mount_hold)"
1989 if [ -z "${holders}" ]; then
1992 if [ ${waited} -eq 0 ]; then
1993 echo -n "Waiting ${root_hold_delay}s" \
1994 "for the root mount holders: ${holders}"
1998 if [ ${waited} -ge ${root_hold_delay} ]; then
2003 waited=$(($waited + 1))
2007 # Find scripts in local_startup directories that use the old syntax
2009 find_local_scripts_old() {
2012 for dir in ${local_startup}; do
2013 if [ -d "${dir}" ]; then
2014 for file in ${dir}/[0-9]*.sh; do
2015 grep '^# PROVIDE:' $file >/dev/null 2>&1 &&
2017 zlist="$zlist $file"
2019 for file in ${dir}/[!0-9]*.sh; do
2020 grep '^# PROVIDE:' $file >/dev/null 2>&1 &&
2022 slist="$slist $file"
2028 find_local_scripts_new() {
2030 for dir in ${local_startup}; do
2031 if [ -d "${dir}" ]; then
2032 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do
2035 *) if [ -x "$file" ]; then
2036 local_rc="${local_rc} ${file}"
2045 # check_required_{before|after} command
2046 # Check for things required by the command before and after its precmd,
2047 # respectively. The two separate functions are needed because some
2048 # conditions should prevent precmd from being run while other things
2049 # depend on precmd having already been run.
2051 check_required_before()
2057 for _f in $required_vars; do
2058 if ! checkyesno $_f; then
2059 warn "\$${_f} is not enabled."
2060 if [ -z "$rc_force" ]; then
2066 for _f in $required_dirs; do
2067 if [ ! -d "${_f}/." ]; then
2068 warn "${_f} is not a directory."
2069 if [ -z "$rc_force" ]; then
2075 for _f in $required_files; do
2076 if [ ! -r "${_f}" ]; then
2077 warn "${_f} is not readable."
2078 if [ -z "$rc_force" ]; then
2089 check_required_after()
2095 for _f in $required_modules; do
2097 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;;
2098 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;;
2101 if ! load_kld ${_args}; then
2102 if [ -z "$rc_force" ]; then
2114 # Return true if security.jail.$mib exists and set to 1.
2121 if _v=$(${SYSCTL_N} "security.jail.$_mib" 2> /dev/null); then
2129 # check_kern_features mib
2130 # Return existence of kern.features.* sysctl MIB as true or
2131 # false. The result will be cached in $_rc_cache_kern_features_
2132 # namespace. "0" means the kern.features.X exists.
2134 check_kern_features()
2138 [ -n "$1" ] || return 1;
2139 eval _v=\$_rc_cache_kern_features_$1
2140 [ -n "$_v" ] && return "$_v";
2142 if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then
2143 eval _rc_cache_kern_features_$1=0
2146 eval _rc_cache_kern_features_$1=1
2151 # check_namevarlist var
2152 # Return "0" if ${name}_var is reserved in rc.subr.
2154 _rc_namevarlist="program chroot chdir env flags fib nice user group groups prepend"
2159 for _v in $_rc_namevarlist; do
2168 # _echoonce var msg mode
2169 # mode=0: Echo $msg if ${$var} is empty.
2170 # After doing echo, a string is set to ${$var}.
2172 # mode=1: Echo $msg if ${$var} is a string with non-zero length.
2176 local _var _msg _mode
2182 1) [ -n "$_var" ] && echo "$_msg" ;;
2183 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;;
2187 # If the loader env variable rc.debug is set, turn on debugging. rc.conf will
2188 # still override this, but /etc/defaults/rc.conf can't unconditionally set this
2189 # since it would undo what we've done here.
2190 if kenv -q rc.debug > /dev/null ; then