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 vars matching pattern.
73 set | { while read LINE; do
76 "$LINE"|*[!a-zA-Z0-9_]*) continue ;;
82 # set_rcvar [var] [defval] [desc]
84 # Echo or define a rc.conf(5) variable name. Global variable
87 # If no argument is specified, echo "${name}_enable".
89 # If only a var is specified, echo "${var}_enable".
91 # If var and defval are specified, the ${var} is defined as
92 # rc.conf(5) variable and the default value is ${defvar}. An
93 # optional argument $desc can also be specified to add a
94 # description for that.
101 0) echo ${name}_enable ;;
102 1) echo ${1}_enable ;;
104 debug "set_rcvar: \$$1=$2 is added" \
105 " as a rc.conf(5) variable."
107 rcvars="${rcvars# } $_var"
108 eval ${_var}_defval=\"$2\"
110 eval ${_var}_desc=\"$*\"
115 # set_rcvar_obsolete oldvar [newvar] [msg]
116 # Define obsolete variable.
117 # Global variable $rcvars_obsolete is used.
123 debug "set_rcvar_obsolete: \$$1(old) -> \$$2(new) is defined"
125 rcvars_obsolete="${rcvars_obsolete# } $1"
126 eval ${1}_newvar=\"$2\"
128 eval ${_var}_obsolete_msg=\"$*\"
132 # force_depend script [rcvar]
133 # Force a service to start. Intended for use by services
134 # to resolve dependency issues.
135 # $1 - filename of script, in /etc/rc.d, to run
136 # $2 - name of the script's rcvar (minus the _enable)
140 local _depend _dep_rcvar
143 _dep_rcvar="${2:-$1}_enable"
145 [ -n "$rc_fast" ] && ! checkyesno always_force_depends &&
146 checkyesno $_dep_rcvar && return 0
148 /etc/rc.d/${_depend} forcestatus >/dev/null 2>&1 && return 0
150 info "${name} depends on ${_depend}, which will be forced to start."
151 if ! /etc/rc.d/${_depend} forcestart; then
152 warn "Unable to force ${_depend}. It may already be running."
159 # Test $1 variable, and warn if not set to YES or NO.
160 # Return 0 if it's "yes" (et al), nonzero otherwise.
165 debug "checkyesno: $1 is set to $_value."
168 # "yes", "true", "on", or "1"
169 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
173 # "no", "false", "off", or "0"
174 [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
178 warn "\$${1} is not set properly - see rc.conf(5)."
186 # print the list in reverse order
192 _revlist="$_revfile $_revlist"
198 # If booting directly to multiuser or $always is enabled,
199 # send SIGTERM to the parent (/etc/rc) to abort the boot.
200 # Otherwise just exit.
207 # "yes", "true", "on", or "1"
208 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
215 if [ "$autoboot" = yes -o "$always" = true ]; then
216 echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!"
223 # mount_critical_filesystems type
224 # Go through the list of critical filesystems as provided in
225 # the rc.conf(5) variable $critical_filesystems_${type}, checking
226 # each one to see if it is mounted, and if it is not, mounting it.
228 mount_critical_filesystems()
230 eval _fslist=\$critical_filesystems_${1}
231 for _fs in $_fslist; do
234 while read what _on on _type type; do
235 if [ $on = $_fs ]; then
242 mount $_fs >/dev/null 2>&1
249 # check_pidfile pidfile procname [interpreter]
250 # Parses the first line of pidfile for a PID, and ensures
251 # that the process is running and matches procname.
252 # Prints the matching PID upon success, nothing otherwise.
253 # interpreter is optional; see _find_processes() for details.
260 if [ -z "$_pidfile" -o -z "$_procname" ]; then
261 err 3 'USAGE: check_pidfile pidfile procname [interpreter]'
263 if [ ! -f $_pidfile ]; then
264 debug "pid file ($_pidfile): not readable."
267 read _pid _junk < $_pidfile
268 if [ -z "$_pid" ]; then
269 debug "pid file ($_pidfile): no pid in file."
272 _find_processes $_procname ${_interpreter:-.} '-p '"$_pid"
276 # check_process procname [interpreter]
277 # Ensures that a process (or processes) named procname is running.
278 # Prints a list of matching PIDs.
279 # interpreter is optional; see _find_processes() for details.
285 if [ -z "$_procname" ]; then
286 err 3 'USAGE: check_process procname [interpreter]'
288 _find_processes $_procname ${_interpreter:-.} '-ax'
292 # _find_processes procname interpreter psargs
293 # Search for procname in the output of ps generated by psargs.
294 # Prints the PIDs of any matching processes, space separated.
296 # If interpreter == ".", check the following variations of procname
297 # against the first word of each command:
299 # `basename procname`
300 # `basename procname` + ":"
301 # "(" + `basename procname` + ")"
302 # "[" + `basename procname` + "]"
304 # If interpreter != ".", read the first line of procname, remove the
305 # leading #!, normalise whitespace, append procname, and attempt to
306 # match that against each command, either as is, or with extra words
307 # at the end. As an alternative, to deal with interpreted daemons
308 # using perl, the basename of the interpreter plus a colon is also
309 # tried as the prefix to procname.
313 if [ $# -ne 3 ]; then
314 err 3 'USAGE: _find_processes procname interpreter psargs'
321 if [ $_interpreter != "." ]; then # an interpreted script
322 _script="${_chroot}${_chroot:+/}$_procname"
323 if [ -r "$_script" ]; then
324 read _interp < $_script # read interpreter name
327 _interp=${_interp#\#!} # strip #!
331 shift # drop env to get real name
334 if [ $_interpreter != $1 ]; then
335 warn "\$command_interpreter $_interpreter != $1"
339 warn "no shebang line in $_script"
344 warn "cannot read shebang line from $_script"
347 _interp="$* $_procname" # cleanup spaces, add _procname
350 _fp_match='case "$_argv" in
351 ${_interp}|"${_interp} "*|"[${_interpbn}]"|"${_interpbn}: ${_procname}"*)'
352 else # a normal daemon
353 _procnamebn=${_procname##*/}
354 _fp_args='_arg0 _argv'
355 _fp_match='case "$_arg0" in
356 $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")'
360 $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' |
361 while read _npid _jid '"$_fp_args"'; do
363 if [ "$JID" -eq "$_jid" ];
364 then echo -n "$_pref$_npid";
371 # debug "in _find_processes: proccheck is ($_proccheck)."
375 # sort_lite [-b] [-n] [-k POS] [-t SEP]
376 # A lite version of sort(1) (supporting a few options) that can be used
377 # before the real sort(1) is available (e.g., in scripts that run prior
378 # to mountcritremote). Requires only shell built-in functionality.
382 local funcname=sort_lite
383 local sort_sep="$IFS" sort_ignore_leading_space=
384 local sort_field=0 sort_strict_fields= sort_numeric=
385 local nitems=0 skip_leading=0 trim=
388 while getopts bnk:t: flag; do
390 b) sort_ignore_leading_space=1 ;;
391 n) sort_numeric=1 sort_ignore_leading_space=1 ;;
392 k) sort_field="${OPTARG%%,*}" ;; # only up to first comma
393 # NB: Unlike sort(1) only one POS allowed
394 t) sort_sep="$OPTARG"
395 if [ ${#sort_sep} -gt 1 ]; then
396 echo "$funcname: multi-character tab \`$sort_sep'" >&2
404 shift $(( $OPTIND - 1 ))
406 # Create transformation pattern to trim leading text if desired
407 case "$sort_field" in
408 ""|[!0-9]*|*[!0-9.]*)
409 echo "$funcname: invalid sort field \`$sort_field'" >&2
413 skip_leading=${sort_field#*.} sort_field=${sort_field%%.*}
414 while [ ${skip_leading:-0} -gt 1 ] 2> /dev/null; do
415 trim="$trim?" skip_leading=$(( $skip_leading - 1 ))
419 # Copy input to series of local numbered variables
420 # NB: IFS of NULL preserves leading whitespace
422 while IFS= read -r LINE || [ "$LINE" ]; do
423 nitems=$(( $nitems + 1 ))
424 local src_$nitems="$LINE"
428 # Sort numbered locals using insertion sort
430 local curitem curitem_orig curitem_mod curitem_haskey
431 local dest dest_orig dest_mod dest_haskey
434 while [ $i -le $nitems ]; do
435 curitem_haskey=1 # Assume sort field (-k POS) exists
436 eval curitem=\"\$src_$i\"
437 curitem_mod="$curitem" # for modified comparison
438 curitem_orig="$curitem" # for original comparison
440 # Trim leading whitespace if desired
441 if [ "$sort_ignore_leading_space" ]; then
442 while case "$curitem_orig" in
443 [$IFS]*) : ;; *) false; esac
445 curitem_orig="${curitem_orig#?}"
447 curitem_mod="$curitem_orig"
450 # Shift modified comparison value if sort field (-k POS) is > 1
452 while [ $n -gt 1 ]; do
453 case "$curitem_mod" in
455 # Cut text up-to (and incl.) first separator
456 curitem_mod="${curitem_mod#*[$sort_sep]}"
458 # Skip NULLs unless strict field splitting
459 [ "$sort_strict_fields" ] ||
460 [ "${curitem_mod%%[$sort_sep]*}" ] ||
465 # Asked for a field that doesn't exist
466 curitem_haskey= break
471 # Trim trailing words if sort field >= 1
472 [ $sort_field -ge 1 -a "$sort_numeric" ] &&
473 curitem_mod="${curitem_mod%%[$sort_sep]*}"
475 # Apply optional trim (-k POS.TRIM) to cut leading characters
476 curitem_mod="${curitem_mod#$trim}"
478 # Determine the type of modified comparison to use initially
479 # NB: Prefer numerical if requested but fallback to standard
480 case "$curitem_mod" in
481 ""|[!0-9]*) # NULL or begins with non-number
483 [ "$sort_numeric" ] && curitem_mod=0
486 if [ "$sort_numeric" ]; then
488 curitem_mod="${curitem_mod%%[!0-9]*}"
489 # NB: trailing non-digits removed
490 # otherwise numeric comparison fails
496 # If first time through, short-circuit below position-search
497 if [ $i -le 1 ]; then
504 # Find appropriate element position
508 dest_haskey=$curitem_haskey
509 eval dest=\"\$dest_$d\"
510 dest_mod="$dest" # for modified comparison
511 dest_orig="$dest" # for original comparison
513 # Trim leading whitespace if desired
514 if [ "$sort_ignore_leading_space" ]; then
515 while case "$dest_orig" in
516 [$IFS]*) : ;; *) false; esac
518 dest_orig="${dest_orig#?}"
520 dest_mod="$dest_orig"
523 # Shift modified value if sort field (-k POS) is > 1
525 while [ $n -gt 1 ]; do
528 # Cut text up-to (and incl.) 1st sep
529 dest_mod="${dest_mod#*[$sort_sep]}"
531 # Skip NULLs unless strict fields
532 [ "$sort_strict_fields" ] ||
533 [ "${dest_mod%%[$sort_sep]*}" ] ||
538 # Asked for a field that doesn't exist
544 # Trim trailing words if sort field >= 1
545 [ $sort_field -ge 1 -a "$sort_numeric" ] &&
546 dest_mod="${dest_mod%%[$sort_sep]*}"
548 # Apply optional trim (-k POS.TRIM), cut leading chars
549 dest_mod="${dest_mod#$trim}"
551 # Determine type of modified comparison to use
552 # NB: Prefer numerical if requested, fallback to std
554 ""|[!0-9]*) # NULL or begins with non-number
556 [ "$sort_numeric" ] && dest_mod=0
559 if [ "$sort_numeric" ]; then
561 dest_mod="${dest_mod%%[!0-9]*}"
562 # NB: kill trailing non-digits
563 # for numeric comparison safety
569 # Break if we've found the proper element position
570 if [ "$curitem_haskey" -a "$dest_haskey" ]; then
571 if [ "$dest_mod" = "$curitem_mod" ]; then
572 [ "$dest_orig" ">" "$curitem_orig" ] &&
574 elif [ "$dest_mod" $gt "$curitem_mod" ] \
580 [ "$dest_orig" ">" "$curitem_orig" ] && break
583 # Break if we've hit the end
584 [ $d -ge $i ] && break
589 # Shift remaining positions forward, making room for new item
591 while [ $n -ge $d ]; do
592 # Shift destination item forward one placement
593 eval dest_$(( $n + 1 ))=\"\$dest_$n\"
598 if [ $i -eq 1 ]; then
599 local dest_1="$curitem"
601 local dest_$d="$curitem"
607 # Print sorted results
609 while [ $d -le $nitems ]; do
610 eval echo \"\$dest_$d\"
616 # wait_for_pids pid [pid ...]
617 # spins until none of the pids exist
621 local _list _prefix _nlist _j
624 if [ -z "$_list" ]; then
631 if kill -0 $_j 2>/dev/null; then
632 _nlist="${_nlist}${_nlist:+ }$_j"
633 [ -n "$_prefix" ] && sleep 1
636 if [ -z "$_nlist" ]; then
640 echo -n ${_prefix:-"Waiting for PIDS: "}$_list
642 pwait $_list 2>/dev/null
644 if [ -n "$_prefix" ]; then
650 # get_pidfile_from_conf string file
652 # Takes a string to search for in the specified file.
653 # Ignores lines with traditional comment characters.
657 # if get_pidfile_from_conf string file; then
658 # pidfile="$_pidfile_from_conf"
660 # pidfile='appropriate default'
663 get_pidfile_from_conf()
665 if [ -z "$1" -o -z "$2" ]; then
666 err 3 "USAGE: get_pidfile_from_conf string file ($name)"
669 local string file line
671 string="$1" ; file="$2"
673 if [ ! -s "$file" ]; then
674 err 3 "get_pidfile_from_conf: $file does not exist ($name)"
679 *[#\;]*${string}*) continue ;;
680 *${string}*) break ;;
684 if [ -n "$line" ]; then
686 _pidfile_from_conf="/${line%%[\"\;]*}"
694 # If rc_quiet is set (usually as a result of using faststart at
695 # boot time) check if rc_startmsgs is enabled.
699 if [ -n "$rc_quiet" ]; then
700 checkyesno rc_startmsgs
707 # run_rc_command argument
708 # Search for argument in the list of supported commands, which is:
709 # "start stop restart rcvar status poll ${extra_commands}"
710 # If there's a match, run ${argument}_cmd or the default method
713 # If argument has a given prefix, then change the operation as follows:
716 # fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes
717 # force Set ${rcvar} to YES, and set rc_force=yes
718 # one Set ${rcvar} to YES
719 # quiet Don't output some diagnostics, and set rc_quiet=yes
721 # The following globals are used:
723 # Name Needed Purpose
724 # ---- ------ -------
725 # name y Name of script.
727 # command n Full path to command.
728 # Not needed if ${rc_arg}_cmd is set for
731 # command_args n Optional args/shell directives for command.
733 # command_interpreter n If not empty, command is interpreted, so
734 # call check_{pidfile,process}() appropriately.
736 # desc n Description of script.
738 # extra_commands n List of extra commands supported.
740 # pidfile n If set, use check_pidfile $pidfile $command,
741 # otherwise use check_process $command.
742 # In either case, only check if $command is set.
744 # procname n Process name to check for instead of $command.
746 # rcvar n This is checked with checkyesno to determine
747 # if the action should be run.
749 # ${name}_program n Full path to command.
750 # Meant to be used in /etc/rc.conf to override
753 # ${name}_chroot n Directory to chroot to before running ${command}
754 # Requires /usr to be mounted.
756 # ${name}_chdir n Directory to cd to before running ${command}
757 # (if not using ${name}_chroot).
759 # ${name}_flags n Arguments to call ${command} with.
760 # NOTE: $flags from the parent environment
761 # can be used to override this.
763 # ${name}_env n Environment variables to run ${command} with.
765 # ${name}_env_file n File to source variables to run ${command} with.
767 # ${name}_fib n Routing table number to run ${command} with.
769 # ${name}_nice n Nice level to run ${command} at.
771 # ${name}_oomprotect n Don't kill ${command} when swap space is exhausted.
773 # ${name}_user n User to run ${command} as, using su(1) if not
774 # using ${name}_chroot.
775 # Requires /usr to be mounted.
777 # ${name}_group n Group to run chrooted ${command} as.
778 # Requires /usr to be mounted.
780 # ${name}_groups n Comma separated list of supplementary groups
781 # to run the chrooted ${command} with.
782 # Requires /usr to be mounted.
784 # ${name}_prepend n Command added before ${command}.
786 # ${name}_login_class n Login class to use, else "daemon".
788 # ${name}_limits n limits(1) to apply to ${command}.
790 # ${rc_arg}_cmd n If set, use this as the method when invoked;
791 # Otherwise, use default command (see below)
793 # ${rc_arg}_precmd n If set, run just before performing the
794 # ${rc_arg}_cmd method in the default
795 # operation (i.e, after checking for required
796 # bits and process (non)existence).
797 # If this completes with a non-zero exit code,
798 # don't run ${rc_arg}_cmd.
800 # ${rc_arg}_postcmd n If set, run just after performing the
801 # ${rc_arg}_cmd method, if that method
802 # returned a zero exit code.
804 # required_dirs n If set, check for the existence of the given
805 # directories before running a (re)start command.
807 # required_files n If set, check for the readability of the given
808 # files before running a (re)start command.
810 # required_modules n If set, ensure the given kernel modules are
811 # loaded before running a (re)start command.
812 # The check and possible loads are actually
813 # done after start_precmd so that the modules
814 # aren't loaded in vain, should the precmd
815 # return a non-zero status to indicate a error.
816 # If a word in the list looks like "foo:bar",
817 # "foo" is the KLD file name and "bar" is the
818 # module name. If a word looks like "foo~bar",
819 # "foo" is the KLD file name and "bar" is a
820 # egrep(1) pattern matching the module name.
821 # Otherwise the module name is assumed to be
822 # the same as the KLD file name, which is most
823 # common. See load_kld().
825 # required_vars n If set, perform checkyesno on each of the
826 # listed variables before running the default
829 # Default behaviour for a given argument, if no override method is
832 # Argument Default behaviour
833 # -------- -----------------
834 # start if !running && checkyesno ${rcvar}
838 # rc_pid=$(check_pidfile $pidfile $command)
840 # rc_pid=$(check_process $command)
841 # kill $sig_stop $rc_pid
842 # wait_for_pids $rc_pid
843 # ($sig_stop defaults to TERM.)
845 # reload Similar to stop, except use $sig_reload instead,
846 # and doesn't wait_for_pids.
847 # $sig_reload defaults to HUP.
848 # Note that `reload' isn't provided by default,
849 # it should be enabled via $extra_commands.
851 # restart Run `stop' then `start'.
853 # status Show if ${command} is running, etc.
855 # poll Wait for ${command} to exit.
857 # rcvar Display what rc.conf variable is used (if any).
859 # enabled Return true if the service is enabled.
861 # describe Show the service's description
863 # extracommands Show the service's extra commands
865 # Variables available to methods, and after run_rc_command() has
870 # rc_arg Argument to command, after fast/force/one processing
873 # rc_flags Flags to start the default command with.
874 # Defaults to ${name}_flags, unless overridden
875 # by $flags from the environment.
876 # This variable may be changed by the precmd method.
878 # rc_service Path to the service being executed, in case the service
879 # needs to re-invoke itself.
881 # rc_pid PID of command (if appropriate)
883 # rc_fast Not empty if "fast" was provided (q.v.)
885 # rc_force Not empty if "force" was provided (q.v.)
887 # rc_quiet Not empty if "quiet" was provided
894 if [ -z "$name" ]; then
895 err 3 'run_rc_command: $name is not set.'
898 # Don't repeat the first argument when passing additional command-
899 # line arguments to the command subroutines.
906 fast*) # "fast" prefix; don't check pid
907 rc_arg=${rc_arg#fast}
911 force*) # "force" prefix; always run
914 rc_arg=${rc_arg#${_rc_prefix}}
915 if [ -n "${rcvar}" ]; then
919 one*) # "one" prefix; set ${rcvar}=yes
921 rc_arg=${rc_arg#${_rc_prefix}}
922 if [ -n "${rcvar}" ]; then
926 quiet*) # "quiet" prefix; omit some messages
928 rc_arg=${rc_arg#${_rc_prefix}}
933 eval _override_command=\$${name}_program
934 command=${_override_command:-$command}
936 _keywords="start stop restart rcvar enable disable delete enabled describe extracommands $extra_commands"
939 _procname=${procname:-${command}}
941 # setup pid check command
942 if [ -n "$_procname" ]; then
943 if [ -n "$pidfile" ]; then
944 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')'
946 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')'
948 _keywords="${_keywords} status poll"
951 if [ -z "$rc_arg" ]; then
955 if [ "$rc_arg" = "enabled" ] ; then
960 if [ -n "$flags" ]; then # allow override from environment
963 eval rc_flags=\$${name}_flags
965 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \
966 _nice=\$${name}_nice _user=\$${name}_user \
967 _group=\$${name}_group _groups=\$${name}_groups \
968 _fib=\$${name}_fib _env=\$${name}_env \
969 _prepend=\$${name}_prepend _login_class=\${${name}_login_class:-daemon} \
970 _limits=\$${name}_limits _oomprotect=\$${name}_oomprotect \
971 _env_file=\$${name}_env_file
973 if [ -n "$_env_file" ] && [ -r "${_env_file}" ]; then # load env from file
979 if [ -n "$_user" ]; then # unset $_user if running as that user
980 if [ "$_user" = "$(eval $IDCMD)" ]; then
985 [ -z "$autoboot" ] && eval $_pidcmd # determine the pid if necessary
987 for _elem in $_keywords; do
988 if [ "$_elem" != "$rc_arg" ]; then
991 # if ${rcvar} is set, $1 is not "rcvar", "describe",
992 # "enable" or "delete", and ${rc_pid} is not set, run:
993 # checkyesno ${rcvar}
994 # and return if that failed
996 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" \
997 -a "$rc_arg" != "delete" -a "$rc_arg" != "enable" \
998 -a "$rc_arg" != "describe" ] ||
999 [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then
1000 if ! checkyesno ${rcvar}; then
1001 if [ -n "${rc_quiet}" ]; then
1004 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to "
1005 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' "
1006 echo "instead of '${rc_arg}'."
1011 if [ $rc_arg = "start" -a -z "$rc_fast" -a -n "$rc_pid" ]; then
1012 if [ -z "$rc_quiet" ]; then
1013 echo 1>&2 "${name} already running? " \
1019 # if there's a custom ${XXX_cmd},
1020 # run that instead of the default
1022 eval _cmd=\$${rc_arg}_cmd \
1023 _precmd=\$${rc_arg}_precmd \
1024 _postcmd=\$${rc_arg}_postcmd
1026 if [ -n "$_cmd" ]; then
1027 if [ -n "$_env" ]; then
1028 eval "export -- $_env"
1030 _run_rc_precmd || return 1
1031 _run_rc_doit "$_cmd $rc_extra_args" || return 1
1036 case "$rc_arg" in # default operations...
1039 if [ -n "$desc" ]; then
1045 echo "$extra_commands"
1049 _out=$(/usr/sbin/sysrc -vs "$name" "$rcvar=YES") &&
1050 echo "$name enabled in ${_out%%:*}"
1054 _out=$(/usr/sbin/sysrc -vs "$name" "$rcvar=NO") &&
1055 echo "$name disabled in ${_out%%:*}"
1060 for _file in $(sysrc -lEs "$name"); do
1061 _out=$(sysrc -Fif $_file "$rcvar") && _files="$_files $_file"
1063 /usr/sbin/sysrc -x "$rcvar" && echo "$rcvar deleted in ${_files# }"
1064 # delete file in rc.conf.d if desired and empty.
1065 checkyesno service_delete_empty || _files=
1066 for _file in $_files; do
1067 [ "$_file" = "${_file#*/rc.conf.d/}" ] && continue
1068 [ $(/usr/bin/stat -f%z $_file) -gt 0 ] && continue
1069 /bin/rm "$_file" && echo "Empty file $_file removed"
1074 _run_rc_precmd || return 1
1075 if [ -n "$rc_pid" ]; then
1076 echo "${name} is running as pid $rc_pid."
1078 echo "${name} is not running."
1085 if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then
1086 warn "run_rc_command: cannot run $command"
1090 if ! _run_rc_precmd; then
1091 warn "failed precmd routine for ${name}"
1095 # setup the full command to run
1097 check_startmsgs && echo "Starting ${name}."
1098 if [ -n "$_chroot" ]; then
1101 ${_nice:+nice -n $_nice }\
1102 ${_fib:+setfib -F $_fib }\
1103 ${_env:+env $_env }\
1104 chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\
1105 $_chroot $command $rc_flags $command_args"
1107 _cd="${_chdir:+cd $_chdir && }"
1109 ${_fib:+setfib -F $_fib }\
1110 ${_env:+env $_env }\
1111 $command $rc_flags $command_args"
1112 if [ -n "$_user" ]; then
1113 _doit="su -m $_user -c 'sh -c \"$_doit\"'"
1115 if [ -n "$_nice" ]; then
1116 if [ -z "$_user" ]; then
1117 _doit="sh -c \"$_doit\""
1119 _doit="nice -n $_nice $_doit"
1121 if [ -n "$_prepend" ]; then
1122 _doit="$_prepend $_doit"
1126 # Prepend default limits
1127 _doit="$_cd limits -C $_login_class $_limits $_doit"
1129 # run the full command
1131 if ! _run_rc_doit "$_doit"; then
1132 warn "failed to start ${name}"
1136 # finally, run postcmd
1142 if [ -z "$rc_pid" ]; then
1143 [ -n "$rc_fast" ] && return 0
1148 _run_rc_precmd || return 1
1150 # send the signal to stop
1152 echo "Stopping ${name}."
1153 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}")
1154 _run_rc_doit "$_doit" || return 1
1156 # wait for the command to exit,
1158 wait_for_pids $rc_pid
1164 if [ -z "$rc_pid" ]; then
1169 _run_rc_precmd || return 1
1171 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}")
1172 _run_rc_doit "$_doit" || return 1
1178 # prevent restart being called more
1179 # than once by any given script
1181 if ${_rc_restart_done:-false}; then
1184 _rc_restart_done=true
1186 _run_rc_precmd || return 1
1188 # run those in a subshell to keep global variables
1189 ( run_rc_command ${_rc_prefix}stop $rc_extra_args )
1190 ( run_rc_command ${_rc_prefix}start $rc_extra_args )
1192 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1
1198 _run_rc_precmd || return 1
1199 if [ -n "$rc_pid" ]; then
1200 wait_for_pids $rc_pid
1207 if [ -n "$desc" ]; then
1213 # Get unique vars in $rcvar $rcvars
1214 for _v in $rcvar $rcvars; do
1216 $_v\ *|\ *$_v|*\ $_v\ *) ;;
1217 *) v="${v# } $_v" ;;
1221 # Display variables.
1223 if [ -z "$_v" ]; then
1227 eval _desc=\$${_v}_desc
1228 eval _defval=\$${_v}_defval
1231 eval echo \"$_v=\\\"\$$_v\\\"\"
1232 # decode multiple lines of _desc
1233 while [ -n "$_desc" ]; do
1236 echo "# $_h ${_desc%%^^*}"
1241 echo "# $_h ${_desc}"
1246 echo "# (default: \"$_defval\")"
1257 # Apply protect(1) to the PID if ${name}_oomprotect is set.
1260 # We cannot use protect(1) inside jails.
1261 if [ -n "$_oomprotect" ] && [ -f "${PROTECT}" ] &&
1262 [ "$(sysctl -n security.jail.jailed)" -eq 0 ]; then
1263 pid=$(check_process $command)
1264 case $_oomprotect in
1266 ${PROTECT} -i -p ${pid}
1269 ${PROTECT} -p ${pid}
1279 echo 1>&2 "$0: unknown directive '$rc_arg'."
1285 # Helper functions for run_rc_command: common code.
1286 # They use such global variables besides the exported rc_* ones:
1289 # ------------------
1296 check_required_before "$rc_arg" || return 1
1298 if [ -n "$_precmd" ]; then
1299 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args"
1300 eval "$_precmd $rc_extra_args"
1303 # If precmd failed and force isn't set, request exit.
1304 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then
1309 check_required_after "$rc_arg" || return 1
1316 if [ -n "$_postcmd" ]; then
1317 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args"
1318 eval "$_postcmd $rc_extra_args"
1326 debug "run_rc_command: doit: $*"
1330 # If command failed and force isn't set, request exit.
1331 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then
1338 _run_rc_notrunning()
1342 if [ -n "$pidfile" ]; then
1343 _pidmsg=" (check $pidfile)."
1347 echo 1>&2 "${name} not running?${_pidmsg}"
1354 _cmd="kill -$1 $rc_pid"
1355 if [ -n "$_user" ]; then
1356 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'"
1362 # run_rc_script file arg
1363 # Start the script `file' with `arg', and correctly handle the
1364 # return value from the script.
1365 # If `file' ends with `.sh' and lives in /etc/rc.d, ignore it as it's
1366 # an old-style startup file.
1367 # If `file' ends with `.sh' and does not live in /etc/rc.d, it's sourced
1368 # into the current environment if $rc_fast_and_loose is set; otherwise
1369 # it is run as a child process.
1370 # If `file' appears to be a backup or scratch file, ignore it.
1371 # Otherwise if it is executable run as a child process.
1377 if [ -z "$_file" -o -z "$_arg" ]; then
1378 err 3 'USAGE: run_rc_script file arg'
1381 unset name command command_args command_interpreter \
1382 extra_commands pidfile procname \
1383 rcvar rcvars rcvars_obsolete required_dirs required_files \
1385 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd
1389 /etc/rc.d/*.sh) # no longer allowed in the base
1390 warn "Ignoring old-style startup script $_file"
1392 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip
1393 warn "Ignoring scratch file $_file"
1395 *) # run in subshell
1396 if [ -x $_file ]; then
1397 if [ -n "$rc_fast_and_loose" ]; then
1400 ( trap "echo Script $_file interrupted >&2 ; kill -QUIT $$" 3
1401 trap "echo Script $_file interrupted >&2 ; exit 1" 2
1402 trap "echo Script $_file running >&2" 29
1403 set $_arg; . $_file )
1411 # load_rc_config [service]
1412 # Source in the configuration file(s) for a given service.
1413 # If no service is specified, only the global configuration
1414 # file(s) will be loaded.
1418 local _name _rcvar_val _var _defval _v _msg _new _d
1421 if ${_rc_conf_loaded:-false}; then
1424 if [ -r /etc/defaults/rc.conf ]; then
1425 debug "Sourcing /etc/defaults/rc.conf"
1426 . /etc/defaults/rc.conf
1428 elif [ -r /etc/rc.conf ]; then
1429 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)."
1432 _rc_conf_loaded=true
1435 # If a service name was specified, attempt to load
1436 # service-specific configuration
1437 if [ -n "$_name" ] ; then
1438 for _d in /etc ${local_startup}; do
1440 if [ -f ${_d}/rc.conf.d/"$_name" ]; then
1441 debug "Sourcing ${_d}/rc.conf.d/$_name"
1442 . ${_d}/rc.conf.d/"$_name"
1443 elif [ -d ${_d}/rc.conf.d/"$_name" ] ; then
1445 for _rc in ${_d}/rc.conf.d/"$_name"/* ; do
1446 if [ -f "$_rc" ] ; then
1447 debug "Sourcing $_rc"
1455 # Set defaults if defined.
1456 for _var in $rcvar $rcvars; do
1457 eval _defval=\$${_var}_defval
1458 if [ -n "$_defval" ]; then
1459 eval : \${$_var:=\$${_var}_defval}
1463 # check obsolete rc.conf variables
1464 for _var in $rcvars_obsolete; do
1466 eval _msg=\$${_var}_obsolete_msg
1467 eval _new=\$${_var}_newvar
1472 if [ -z "$_new" ]; then
1475 eval $_new=\"\$$_var\"
1476 if [ -z "$_msg" ]; then
1477 _msg="Use \$$_new instead."
1480 warn "\$$_var is obsolete. $_msg"
1487 # load_rc_config_var name var
1488 # Read the rc.conf(5) var for name and set in the
1489 # current shell, using load_rc_config in a subshell to prevent
1490 # unwanted side effects from other variable assignments.
1492 load_rc_config_var()
1494 if [ $# -ne 2 ]; then
1495 err 3 'USAGE: load_rc_config_var name var'
1498 load_rc_config '$1' >/dev/null;
1499 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then
1500 echo '$2'=\'\''${'$2'}\'\'';
1507 # Print a usage string for $0, with `commands' being a list of
1512 echo -n 1>&2 "Usage: $0 [fast|force|one|quiet]("
1516 echo -n 1>&2 "$_sep$_elem"
1524 # err exitval message
1525 # Display message to stderr and log to the syslog, and exit with exitval.
1532 if [ -x /usr/bin/logger ]; then
1533 logger "$0: ERROR: $*"
1535 echo 1>&2 "$0: ERROR: $*"
1541 # Display message to stderr and log to the syslog.
1545 if [ -x /usr/bin/logger ]; then
1546 logger "$0: WARNING: $*"
1548 echo 1>&2 "$0: WARNING: $*"
1553 # Display informational message to stdout and log to syslog.
1558 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
1559 if [ -x /usr/bin/logger ]; then
1560 logger "$0: INFO: $*"
1569 # If debugging is enabled in rc.conf output message to stderr.
1570 # BEWARE that you don't call any subroutine that itself calls this
1576 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
1577 if [ -x /usr/bin/logger ]; then
1578 logger "$0: DEBUG: $*"
1580 echo 1>&2 "$0: DEBUG: $*"
1586 # backup_file action file cur backup
1587 # Make a backup copy of `file' into `cur', and save the previous
1588 # version of `cur' as `backup'.
1590 # The `action' keyword can be one of the following:
1592 # add `file' is now being backed up (and is possibly
1593 # being reentered into the backups system). `cur'
1596 # update `file' has changed and needs to be backed up.
1597 # If `cur' exists, it is copied to `back'
1598 # and then `file' is copied to `cur'.
1600 # remove `file' is no longer being tracked by the backups
1601 # system. `cur' is moved `back'.
1613 if [ -f $_cur ]; then
1617 chown root:wheel $_cur
1625 # make_symlink src link
1626 # Make a symbolic link 'link' to src from basedir. If the
1627 # directory in which link is to be created does not exist
1628 # a warning will be displayed and an error will be returned.
1629 # Returns 0 on success, 1 otherwise.
1633 local src link linkdir _me
1636 linkdir="`dirname $link`"
1637 _me="make_symlink()"
1639 if [ -z "$src" -o -z "$link" ]; then
1640 warn "$_me: requires two arguments."
1643 if [ ! -d "$linkdir" ]; then
1644 warn "$_me: the directory $linkdir does not exist."
1647 if ! ln -sf $src $link; then
1648 warn "$_me: unable to make a symbolic link from $link to $src"
1654 # devfs_rulesets_from_file file
1655 # Reads a set of devfs commands from file, and creates
1656 # the specified rulesets with their rules. Returns non-zero
1657 # if there was an error.
1659 devfs_rulesets_from_file()
1661 local file _err _me _opts
1663 _me="devfs_rulesets_from_file"
1666 if [ -z "$file" ]; then
1667 warn "$_me: you must specify a file"
1670 if [ ! -e "$file" ]; then
1671 debug "$_me: no such file ($file)"
1675 # Disable globbing so that the rule patterns are not expanded
1676 # by accident with matching filesystem entries.
1679 debug "reading rulesets from file ($file)"
1687 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"`
1688 if [ -z "$rulenum" ]; then
1689 warn "$_me: cannot extract rule number ($line)"
1693 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"`
1694 if [ -z "$rulename" ]; then
1695 warn "$_me: cannot extract rule name ($line)"
1699 eval $rulename=\$rulenum
1700 debug "found ruleset: $rulename=$rulenum"
1701 if ! /sbin/devfs rule -s $rulenum delset; then
1707 rulecmd="${line%%"\#*"}"
1708 # evaluate the command incase it includes
1710 if [ -n "$rulecmd" ]; then
1711 debug "adding rule ($rulecmd)"
1712 if ! eval /sbin/devfs rule -s $rulenum $rulecmd
1720 if [ $_err -ne 0 ]; then
1721 debug "error in $_me"
1725 case $_opts in *f*) ;; *) set +f ;; esac
1729 # devfs_init_rulesets
1730 # Initializes rulesets from configuration files. Returns
1731 # non-zero if there was an error.
1733 devfs_init_rulesets()
1736 _me="devfs_init_rulesets"
1738 # Go through this only once
1739 if [ -n "$devfs_rulesets_init" ]; then
1740 debug "$_me: devfs rulesets already initialized"
1743 for file in $devfs_rulesets; do
1744 if ! devfs_rulesets_from_file $file; then
1745 warn "$_me: could not read rules from $file"
1749 devfs_rulesets_init=1
1750 debug "$_me: devfs rulesets initialized"
1754 # devfs_set_ruleset ruleset [dir]
1755 # Sets the default ruleset of dir to ruleset. The ruleset argument
1756 # must be a ruleset name as specified in devfs.rules(5) file.
1757 # Returns non-zero if it could not set it successfully.
1762 [ -n "$1" ] && eval rs=\$$1 || rs=
1763 [ -n "$2" ] && devdir="-m "$2"" || devdir=
1764 _me="devfs_set_ruleset"
1766 if [ -z "$rs" ]; then
1767 warn "$_me: you must specify a ruleset number"
1770 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })"
1771 if ! /sbin/devfs $devdir ruleset $rs; then
1772 warn "$_me: unable to set ruleset $rs to ${devdir#-m }"
1778 # devfs_apply_ruleset ruleset [dir]
1779 # Apply ruleset number $ruleset to the devfs mountpoint $dir.
1780 # The ruleset argument must be a ruleset name as specified
1781 # in a devfs.rules(5) file. Returns 0 on success or non-zero
1782 # if it could not apply the ruleset.
1784 devfs_apply_ruleset()
1787 [ -n "$1" ] && eval rs=\$$1 || rs=
1788 [ -n "$2" ] && devdir="-m "$2"" || devdir=
1789 _me="devfs_apply_ruleset"
1791 if [ -z "$rs" ]; then
1792 warn "$_me: you must specify a ruleset"
1795 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })"
1796 if ! /sbin/devfs $devdir rule -s $rs applyset; then
1797 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }"
1803 # devfs_domount dir [ruleset]
1804 # Mount devfs on dir. If ruleset is specified it is set
1805 # on the mount-point. It must also be a ruleset name as specified
1806 # in a devfs.rules(5) file. Returns 0 on success.
1812 [ -n "$2" ] && rs=$2 || rs=
1813 _me="devfs_domount()"
1815 if [ -z "$devdir" ]; then
1816 warn "$_me: you must specify a mount-point"
1819 debug "$_me: mount-point is ($devdir), ruleset is ($rs)"
1820 if ! mount -t devfs dev "$devdir"; then
1821 warn "$_me: Unable to mount devfs on $devdir"
1824 if [ -n "$rs" ]; then
1826 devfs_set_ruleset $rs $devdir
1827 devfs -m $devdir rule applyset
1832 # Provide a function for normalizing the mounting of memory
1833 # filesystems. This should allow the rest of the code here to remain
1834 # as close as possible between 5-current and 4-stable.
1837 # $3 = (optional) extra mdmfs flags
1840 if [ -n "$3" ]; then
1843 /sbin/mdmfs $flags -s $1 ${mfs_type} $2
1846 # Code common to scripts that need to load a kernel module
1847 # if it isn't in the kernel yet. Syntax:
1848 # load_kld [-e regex] [-m module] file
1849 # where -e or -m chooses the way to check if the module
1850 # is already loaded:
1851 # regex is egrep'd in the output from `kldstat -v',
1852 # module is passed to `kldstat -m'.
1853 # The default way is as though `-m file' were specified.
1856 local _loaded _mod _opt _re
1858 while getopts "e:m:" _opt; do
1861 m) _mod="$OPTARG" ;;
1862 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;;
1865 shift $(($OPTIND - 1))
1866 if [ $# -ne 1 ]; then
1867 err 3 'USAGE: load_kld [-e regex] [-m module] file'
1871 if [ -n "$_re" ]; then
1872 if kldstat -v | egrep -q -e "$_re"; then
1876 if kldstat -q -m "$_mod"; then
1881 if ! kldload "$1"; then
1882 warn "Unable to load kernel module $1"
1885 info "$1 kernel module loaded."
1888 debug "load_kld: $1 kernel module already loaded."
1893 # ltr str src dst [var]
1894 # Change every $src in $str to $dst.
1895 # Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor
1896 # awk(1). If var is non-NULL, set it to the result.
1899 local _str _src _dst _out _com _var
1907 for _com in ${_str}; do
1908 if [ -z "${_out}" ]; then
1911 _out="${_out}${_dst}${_com}"
1914 if [ -n "${_var}" ]; then
1915 setvar "${_var}" "${_out}"
1921 # Creates a list of providers for GELI encryption.
1924 local devices devices2
1925 local provider mountpoint type options rest
1927 # Create list of GELI providers from fstab.
1928 while read provider mountpoint type options rest ; do
1929 case ":${options}" in
1938 case ":${provider}" in
1943 # Skip swap devices.
1944 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then
1947 devices="${devices} ${provider}"
1952 # Append providers from geli_devices.
1953 devices="${devices} ${geli_devices}"
1955 for provider in ${devices}; do
1956 provider=${provider%.eli}
1957 provider=${provider#/dev/}
1958 devices2="${devices2} ${provider}"
1964 # Originally, root mount hold had to be released before mounting
1965 # the root filesystem. This delayed the boot, so it was changed
1966 # to only wait if the root device isn't readily available. This
1967 # can result in rc scripts executing before all the devices - such
1968 # as graid(8), or USB disks - can be accessed. This function can
1969 # be used to explicitly wait for root mount holds to be released.
1972 local wait waited holders
1976 holders="$(sysctl -n vfs.root_mount_hold)"
1977 if [ -z "${holders}" ]; then
1980 if [ ${waited} -eq 0 ]; then
1981 echo -n "Waiting ${root_hold_delay}s" \
1982 "for the root mount holders: ${holders}"
1986 if [ ${waited} -ge ${root_hold_delay} ]; then
1991 waited=$(($waited + 1))
1995 # Find scripts in local_startup directories that use the old syntax
1997 find_local_scripts_old() {
2000 for dir in ${local_startup}; do
2001 if [ -d "${dir}" ]; then
2002 for file in ${dir}/[0-9]*.sh; do
2003 grep '^# PROVIDE:' $file >/dev/null 2>&1 &&
2005 zlist="$zlist $file"
2007 for file in ${dir}/[!0-9]*.sh; do
2008 grep '^# PROVIDE:' $file >/dev/null 2>&1 &&
2010 slist="$slist $file"
2016 find_local_scripts_new() {
2018 for dir in ${local_startup}; do
2019 if [ -d "${dir}" ]; then
2020 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do
2023 *) if [ -x "$file" ]; then
2024 local_rc="${local_rc} ${file}"
2033 # check_required_{before|after} command
2034 # Check for things required by the command before and after its precmd,
2035 # respectively. The two separate functions are needed because some
2036 # conditions should prevent precmd from being run while other things
2037 # depend on precmd having already been run.
2039 check_required_before()
2045 for _f in $required_vars; do
2046 if ! checkyesno $_f; then
2047 warn "\$${_f} is not enabled."
2048 if [ -z "$rc_force" ]; then
2054 for _f in $required_dirs; do
2055 if [ ! -d "${_f}/." ]; then
2056 warn "${_f} is not a directory."
2057 if [ -z "$rc_force" ]; then
2063 for _f in $required_files; do
2064 if [ ! -r "${_f}" ]; then
2065 warn "${_f} is not readable."
2066 if [ -z "$rc_force" ]; then
2077 check_required_after()
2083 for _f in $required_modules; do
2085 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;;
2086 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;;
2089 if ! load_kld ${_args}; then
2090 if [ -z "$rc_force" ]; then
2102 # Return true if security.jail.$mib exists and set to 1.
2109 if _v=$(${SYSCTL_N} "security.jail.$_mib" 2> /dev/null); then
2117 # check_kern_features mib
2118 # Return existence of kern.features.* sysctl MIB as true or
2119 # false. The result will be cached in $_rc_cache_kern_features_
2120 # namespace. "0" means the kern.features.X exists.
2122 check_kern_features()
2126 [ -n "$1" ] || return 1;
2127 eval _v=\$_rc_cache_kern_features_$1
2128 [ -n "$_v" ] && return "$_v";
2130 if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then
2131 eval _rc_cache_kern_features_$1=0
2134 eval _rc_cache_kern_features_$1=1
2139 # check_namevarlist var
2140 # Return "0" if ${name}_var is reserved in rc.subr.
2142 _rc_namevarlist="program chroot chdir env flags fib nice user group groups prepend"
2147 for _v in $_rc_namevarlist; do
2156 # _echoonce var msg mode
2157 # mode=0: Echo $msg if ${$var} is empty.
2158 # After doing echo, a string is set to ${$var}.
2160 # mode=1: Echo $msg if ${$var} is a string with non-zero length.
2164 local _var _msg _mode
2170 1) [ -n "$_var" ] && echo "$_msg" ;;
2171 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;;
2175 # If the loader env variable rc.debug is set, turn on debugging. rc.conf will
2176 # still override this, but /etc/defaults/rc.conf can't unconditionally set this
2177 # since it would undo what we've done here.
2178 if kenv -q rc.debug > /dev/null ; then