rc.subr revision 243184
1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD: head/etc/rc.subr 243184 2012-11-17 18:11:10Z hrs $ 3# 4# Copyright (c) 1997-2004 The NetBSD Foundation, Inc. 5# All rights reserved. 6# 7# This code is derived from software contributed to The NetBSD Foundation 8# by Luke Mewburn. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 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. 18# 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. 30# 31# rc.subr 32# functions used by various rc scripts 33# 34 35: ${RC_PID:=$$}; export RC_PID 36 37# 38# Operating System dependent/independent variables 39# 40 41if [ -z "${_rc_subr_loaded}" ]; then 42 43_rc_subr_loaded="YES" 44 45SYSCTL="/sbin/sysctl" 46SYSCTL_N="${SYSCTL} -n" 47SYSCTL_W="${SYSCTL}" 48ID="/usr/bin/id" 49IDCMD="if [ -x $ID ]; then $ID -un; fi" 50PS="/bin/ps -ww" 51JID=`$PS -p $$ -o jid=` 52 53# 54# functions 55# --------- 56 57# set_rcvar_obsolete oldvar [newvar] [msg] 58# Define obsolete variable. 59# Global variable $rcvars_obsolete is used. 60# 61set_rcvar_obsolete() 62{ 63 local _var 64 _var=$1 65 debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 66 67 rcvars_obsolete="${rcvars_obsolete# } $1" 68 eval ${1}_newvar=\"$2\" 69 shift 2 70 eval ${_var}_obsolete_msg=\"$*\" 71} 72 73# 74# force_depend script [rcvar] 75# Force a service to start. Intended for use by services 76# to resolve dependency issues. 77# $1 - filename of script, in /etc/rc.d, to run 78# $2 - name of the script's rcvar (minus the _enable) 79# 80force_depend() 81{ 82 local _depend _dep_rcvar 83 84 _depend="$1" 85 _dep_rcvar="${2:-$1}_enable" 86 87 [ -n "$rc_fast" ] && ! checkyesno always_force_depends && 88 checkyesno $_dep_rcvar && return 0 89 90 /etc/rc.d/${_depend} forcestatus >/dev/null 2>&1 && return 0 91 92 info "${name} depends on ${_depend}, which will be forced to start." 93 if ! /etc/rc.d/${_depend} forcestart; then 94 warn "Unable to force ${_depend}. It may already be running." 95 return 1 96 fi 97} 98 99# 100# checkyesno var 101# Test $1 variable, and warn if not set to YES or NO. 102# Return 0 if it's "yes" (et al), nonzero otherwise. 103# 104checkyesno() 105{ 106 eval _value=\$${1} 107 debug "checkyesno: $1 is set to $_value." 108 case $_value in 109 110 # "yes", "true", "on", or "1" 111 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 112 return 0 113 ;; 114 115 # "no", "false", "off", or "0" 116 [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 117 return 1 118 ;; 119 *) 120 warn "\$${1} is not set properly - see rc.conf(5)." 121 return 1 122 ;; 123 esac 124} 125 126# 127# reverse_list list 128# print the list in reverse order 129# 130reverse_list() 131{ 132 _revlist= 133 for _revfile; do 134 _revlist="$_revfile $_revlist" 135 done 136 echo $_revlist 137} 138 139# stop_boot always 140# If booting directly to multiuser or $always is enabled, 141# send SIGTERM to the parent (/etc/rc) to abort the boot. 142# Otherwise just exit. 143# 144stop_boot() 145{ 146 local always 147 148 case $1 in 149 # "yes", "true", "on", or "1" 150 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 151 always=true 152 ;; 153 *) 154 always=false 155 ;; 156 esac 157 if [ "$autoboot" = yes -o "$always" = true ]; then 158 echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 159 kill -TERM ${RC_PID} 160 fi 161 exit 1 162} 163 164# 165# mount_critical_filesystems type 166# Go through the list of critical filesystems as provided in 167# the rc.conf(5) variable $critical_filesystems_${type}, checking 168# each one to see if it is mounted, and if it is not, mounting it. 169# 170mount_critical_filesystems() 171{ 172 eval _fslist=\$critical_filesystems_${1} 173 for _fs in $_fslist; do 174 mount | ( 175 _ismounted=false 176 while read what _on on _type type; do 177 if [ $on = $_fs ]; then 178 _ismounted=true 179 fi 180 done 181 if $_ismounted; then 182 : 183 else 184 mount $_fs >/dev/null 2>&1 185 fi 186 ) 187 done 188} 189 190# 191# check_pidfile pidfile procname [interpreter] 192# Parses the first line of pidfile for a PID, and ensures 193# that the process is running and matches procname. 194# Prints the matching PID upon success, nothing otherwise. 195# interpreter is optional; see _find_processes() for details. 196# 197check_pidfile() 198{ 199 _pidfile=$1 200 _procname=$2 201 _interpreter=$3 202 if [ -z "$_pidfile" -o -z "$_procname" ]; then 203 err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 204 fi 205 if [ ! -f $_pidfile ]; then 206 debug "pid file ($_pidfile): not readable." 207 return 208 fi 209 read _pid _junk < $_pidfile 210 if [ -z "$_pid" ]; then 211 debug "pid file ($_pidfile): no pid in file." 212 return 213 fi 214 _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 215} 216 217# 218# check_process procname [interpreter] 219# Ensures that a process (or processes) named procname is running. 220# Prints a list of matching PIDs. 221# interpreter is optional; see _find_processes() for details. 222# 223check_process() 224{ 225 _procname=$1 226 _interpreter=$2 227 if [ -z "$_procname" ]; then 228 err 3 'USAGE: check_process procname [interpreter]' 229 fi 230 _find_processes $_procname ${_interpreter:-.} '-ax' 231} 232 233# 234# _find_processes procname interpreter psargs 235# Search for procname in the output of ps generated by psargs. 236# Prints the PIDs of any matching processes, space separated. 237# 238# If interpreter == ".", check the following variations of procname 239# against the first word of each command: 240# procname 241# `basename procname` 242# `basename procname` + ":" 243# "(" + `basename procname` + ")" 244# "[" + `basename procname` + "]" 245# 246# If interpreter != ".", read the first line of procname, remove the 247# leading #!, normalise whitespace, append procname, and attempt to 248# match that against each command, either as is, or with extra words 249# at the end. As an alternative, to deal with interpreted daemons 250# using perl, the basename of the interpreter plus a colon is also 251# tried as the prefix to procname. 252# 253_find_processes() 254{ 255 if [ $# -ne 3 ]; then 256 err 3 'USAGE: _find_processes procname interpreter psargs' 257 fi 258 _procname=$1 259 _interpreter=$2 260 _psargs=$3 261 262 _pref= 263 if [ $_interpreter != "." ]; then # an interpreted script 264 _script="${_chroot}${_chroot:+/}$_procname" 265 if [ -r "$_script" ]; then 266 read _interp < $_script # read interpreter name 267 case "$_interp" in 268 \#!*) 269 _interp=${_interp#\#!} # strip #! 270 set -- $_interp 271 case $1 in 272 */bin/env) 273 shift # drop env to get real name 274 ;; 275 esac 276 if [ $_interpreter != $1 ]; then 277 warn "\$command_interpreter $_interpreter != $1" 278 fi 279 ;; 280 *) 281 warn "no shebang line in $_script" 282 set -- $_interpreter 283 ;; 284 esac 285 else 286 warn "cannot read shebang line from $_script" 287 set -- $_interpreter 288 fi 289 _interp="$* $_procname" # cleanup spaces, add _procname 290 _interpbn=${1##*/} 291 _fp_args='_argv' 292 _fp_match='case "$_argv" in 293 ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 294 else # a normal daemon 295 _procnamebn=${_procname##*/} 296 _fp_args='_arg0 _argv' 297 _fp_match='case "$_arg0" in 298 $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 299 fi 300 301 _proccheck="\ 302 $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 303 while read _npid _jid '"$_fp_args"'; do 304 '"$_fp_match"' 305 if [ "$JID" -eq "$_jid" ]; 306 then echo -n "$_pref$_npid"; 307 _pref=" "; 308 fi 309 ;; 310 esac 311 done' 312 313# debug "in _find_processes: proccheck is ($_proccheck)." 314 eval $_proccheck 315} 316 317# 318# wait_for_pids pid [pid ...] 319# spins until none of the pids exist 320# 321wait_for_pids() 322{ 323 local _list _prefix _nlist _j 324 325 _list="$@" 326 if [ -z "$_list" ]; then 327 return 328 fi 329 _prefix= 330 while true; do 331 _nlist=""; 332 for _j in $_list; do 333 if kill -0 $_j 2>/dev/null; then 334 _nlist="${_nlist}${_nlist:+ }$_j" 335 [ -n "$_prefix" ] && sleep 1 336 fi 337 done 338 if [ -z "$_nlist" ]; then 339 break 340 fi 341 _list=$_nlist 342 echo -n ${_prefix:-"Waiting for PIDS: "}$_list 343 _prefix=", " 344 pwait $_list 2>/dev/null 345 done 346 if [ -n "$_prefix" ]; then 347 echo "." 348 fi 349} 350 351# 352# get_pidfile_from_conf string file 353# 354# Takes a string to search for in the specified file. 355# Ignores lines with traditional comment characters. 356# 357# Example: 358# 359# if get_pidfile_from_conf string file; then 360# pidfile="$_pidfile_from_conf" 361# else 362# pidfile='appropriate default' 363# fi 364# 365get_pidfile_from_conf() 366{ 367 if [ -z "$1" -o -z "$2" ]; then 368 err 3 "USAGE: get_pidfile_from_conf string file ($name)" 369 fi 370 371 local string file line 372 373 string="$1" ; file="$2" 374 375 if [ ! -s "$file" ]; then 376 err 3 "get_pidfile_from_conf: $file does not exist ($name)" 377 fi 378 379 while read line; do 380 case "$line" in 381 *[#\;]*${string}*) continue ;; 382 *${string}*) break ;; 383 esac 384 done < $file 385 386 if [ -n "$line" ]; then 387 line=${line#*/} 388 _pidfile_from_conf="/${line%%[\"\;]*}" 389 else 390 return 1 391 fi 392} 393 394# 395# check_startmsgs 396# If rc_quiet is set (usually as a result of using faststart at 397# boot time) check if rc_startmsgs is enabled. 398# 399check_startmsgs() 400{ 401 if [ -n "$rc_quiet" ]; then 402 checkyesno rc_startmsgs 403 else 404 return 0 405 fi 406} 407 408# 409# run_rc_command argument 410# Search for argument in the list of supported commands, which is: 411# "start stop restart rcvar status poll ${extra_commands}" 412# If there's a match, run ${argument}_cmd or the default method 413# (see below). 414# 415# If argument has a given prefix, then change the operation as follows: 416# Prefix Operation 417# ------ --------- 418# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 419# force Set ${rcvar} to YES, and set rc_force=yes 420# one Set ${rcvar} to YES 421# quiet Don't output some diagnostics, and set rc_quiet=yes 422# 423# The following globals are used: 424# 425# Name Needed Purpose 426# ---- ------ ------- 427# name y Name of script. 428# 429# command n Full path to command. 430# Not needed if ${rc_arg}_cmd is set for 431# each keyword. 432# 433# command_args n Optional args/shell directives for command. 434# 435# command_interpreter n If not empty, command is interpreted, so 436# call check_{pidfile,process}() appropriately. 437# 438# desc n Description of script. 439# 440# extra_commands n List of extra commands supported. 441# 442# pidfile n If set, use check_pidfile $pidfile $command, 443# otherwise use check_process $command. 444# In either case, only check if $command is set. 445# 446# procname n Process name to check for instead of $command. 447# 448# rcvar n This is checked with checkyesno to determine 449# if the action should be run. 450# 451# ${name}_program n Full path to command. 452# Meant to be used in /etc/rc.conf to override 453# ${command}. 454# 455# ${name}_chroot n Directory to chroot to before running ${command} 456# Requires /usr to be mounted. 457# 458# ${name}_chdir n Directory to cd to before running ${command} 459# (if not using ${name}_chroot). 460# 461# ${name}_flags n Arguments to call ${command} with. 462# NOTE: $flags from the parent environment 463# can be used to override this. 464# 465# ${name}_fib n Routing table number to run ${command} with. 466# 467# ${name}_nice n Nice level to run ${command} at. 468# 469# ${name}_user n User to run ${command} as, using su(1) if not 470# using ${name}_chroot. 471# Requires /usr to be mounted. 472# 473# ${name}_group n Group to run chrooted ${command} as. 474# Requires /usr to be mounted. 475# 476# ${name}_groups n Comma separated list of supplementary groups 477# to run the chrooted ${command} with. 478# Requires /usr to be mounted. 479# 480# ${rc_arg}_cmd n If set, use this as the method when invoked; 481# Otherwise, use default command (see below) 482# 483# ${rc_arg}_precmd n If set, run just before performing the 484# ${rc_arg}_cmd method in the default 485# operation (i.e, after checking for required 486# bits and process (non)existence). 487# If this completes with a non-zero exit code, 488# don't run ${rc_arg}_cmd. 489# 490# ${rc_arg}_postcmd n If set, run just after performing the 491# ${rc_arg}_cmd method, if that method 492# returned a zero exit code. 493# 494# required_dirs n If set, check for the existence of the given 495# directories before running a (re)start command. 496# 497# required_files n If set, check for the readability of the given 498# files before running a (re)start command. 499# 500# required_modules n If set, ensure the given kernel modules are 501# loaded before running a (re)start command. 502# The check and possible loads are actually 503# done after start_precmd so that the modules 504# aren't loaded in vain, should the precmd 505# return a non-zero status to indicate a error. 506# If a word in the list looks like "foo:bar", 507# "foo" is the KLD file name and "bar" is the 508# module name. If a word looks like "foo~bar", 509# "foo" is the KLD file name and "bar" is a 510# egrep(1) pattern matching the module name. 511# Otherwise the module name is assumed to be 512# the same as the KLD file name, which is most 513# common. See load_kld(). 514# 515# required_vars n If set, perform checkyesno on each of the 516# listed variables before running the default 517# (re)start command. 518# 519# Default behaviour for a given argument, if no override method is 520# provided: 521# 522# Argument Default behaviour 523# -------- ----------------- 524# start if !running && checkyesno ${rcvar} 525# ${command} 526# 527# stop if ${pidfile} 528# rc_pid=$(check_pidfile $pidfile $command) 529# else 530# rc_pid=$(check_process $command) 531# kill $sig_stop $rc_pid 532# wait_for_pids $rc_pid 533# ($sig_stop defaults to TERM.) 534# 535# reload Similar to stop, except use $sig_reload instead, 536# and doesn't wait_for_pids. 537# $sig_reload defaults to HUP. 538# Note that `reload' isn't provided by default, 539# it should be enabled via $extra_commands. 540# 541# restart Run `stop' then `start'. 542# 543# status Show if ${command} is running, etc. 544# 545# poll Wait for ${command} to exit. 546# 547# rcvar Display what rc.conf variable is used (if any). 548# 549# Variables available to methods, and after run_rc_command() has 550# completed: 551# 552# Variable Purpose 553# -------- ------- 554# rc_arg Argument to command, after fast/force/one processing 555# performed 556# 557# rc_flags Flags to start the default command with. 558# Defaults to ${name}_flags, unless overridden 559# by $flags from the environment. 560# This variable may be changed by the precmd method. 561# 562# rc_pid PID of command (if appropriate) 563# 564# rc_fast Not empty if "fast" was provided (q.v.) 565# 566# rc_force Not empty if "force" was provided (q.v.) 567# 568# rc_quiet Not empty if "quiet" was provided 569# 570# 571run_rc_command() 572{ 573 _return=0 574 rc_arg=$1 575 if [ -z "$name" ]; then 576 err 3 'run_rc_command: $name is not set.' 577 fi 578 579 # Don't repeat the first argument when passing additional command- 580 # line arguments to the command subroutines. 581 # 582 shift 1 583 rc_extra_args="$*" 584 585 _rc_prefix= 586 case "$rc_arg" in 587 fast*) # "fast" prefix; don't check pid 588 rc_arg=${rc_arg#fast} 589 rc_fast=yes 590 rc_quiet=yes 591 ;; 592 force*) # "force" prefix; always run 593 rc_force=yes 594 _rc_prefix=force 595 rc_arg=${rc_arg#${_rc_prefix}} 596 if [ -n "${rcvar}" ]; then 597 eval ${rcvar}=YES 598 fi 599 ;; 600 one*) # "one" prefix; set ${rcvar}=yes 601 _rc_prefix=one 602 rc_arg=${rc_arg#${_rc_prefix}} 603 if [ -n "${rcvar}" ]; then 604 eval ${rcvar}=YES 605 fi 606 ;; 607 quiet*) # "quiet" prefix; omit some messages 608 _rc_prefix=quiet 609 rc_arg=${rc_arg#${_rc_prefix}} 610 rc_quiet=yes 611 ;; 612 esac 613 614 eval _override_command=\$${name}_program 615 command=${_override_command:-$command} 616 617 _keywords="start stop restart rcvar $extra_commands" 618 rc_pid= 619 _pidcmd= 620 _procname=${procname:-${command}} 621 622 # setup pid check command 623 if [ -n "$_procname" ]; then 624 if [ -n "$pidfile" ]; then 625 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 626 else 627 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 628 fi 629 if [ -n "$_pidcmd" ]; then 630 _keywords="${_keywords} status poll" 631 fi 632 fi 633 634 if [ -z "$rc_arg" ]; then 635 rc_usage $_keywords 636 fi 637 638 if [ -n "$flags" ]; then # allow override from environment 639 rc_flags=$flags 640 else 641 eval rc_flags=\$${name}_flags 642 fi 643 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 644 _nice=\$${name}_nice _user=\$${name}_user \ 645 _group=\$${name}_group _groups=\$${name}_groups \ 646 _fib=\$${name}_fib 647 648 if [ -n "$_user" ]; then # unset $_user if running as that user 649 if [ "$_user" = "$(eval $IDCMD)" ]; then 650 unset _user 651 fi 652 fi 653 654 [ -z "$autoboot" ] && eval $_pidcmd # determine the pid if necessary 655 656 for _elem in $_keywords; do 657 if [ "$_elem" != "$rc_arg" ]; then 658 continue 659 fi 660 # if ${rcvar} is set, $1 is not "rcvar" 661 # and ${rc_pid} is not set, then run 662 # checkyesno ${rcvar} 663 # and return if that failed 664 # 665 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 666 [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 667 if ! checkyesno ${rcvar}; then 668 if [ -n "${rc_quiet}" ]; then 669 return 0 670 fi 671 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 672 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 673 echo "instead of '${rc_arg}'." 674 return 0 675 fi 676 fi 677 678 # if there's a custom ${XXX_cmd}, 679 # run that instead of the default 680 # 681 eval _cmd=\$${rc_arg}_cmd \ 682 _precmd=\$${rc_arg}_precmd \ 683 _postcmd=\$${rc_arg}_postcmd 684 685 if [ -n "$_cmd" ]; then 686 _run_rc_precmd || return 1 687 _run_rc_doit "$_cmd $rc_extra_args" || return 1 688 _run_rc_postcmd 689 return $_return 690 fi 691 692 case "$rc_arg" in # default operations... 693 694 status) 695 _run_rc_precmd || return 1 696 if [ -n "$rc_pid" ]; then 697 echo "${name} is running as pid $rc_pid." 698 else 699 echo "${name} is not running." 700 return 1 701 fi 702 _run_rc_postcmd 703 ;; 704 705 start) 706 if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 707 echo 1>&2 "${name} already running? (pid=$rc_pid)." 708 return 1 709 fi 710 711 if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then 712 warn "run_rc_command: cannot run $command" 713 return 1 714 fi 715 716 if ! _run_rc_precmd; then 717 warn "failed precmd routine for ${name}" 718 return 1 719 fi 720 721 # setup the full command to run 722 # 723 check_startmsgs && echo "Starting ${name}." 724 if [ -n "$_chroot" ]; then 725 _doit="\ 726${_nice:+nice -n $_nice }\ 727${_fib:+setfib -F $_fib }\ 728chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 729$_chroot $command $rc_flags $command_args" 730 else 731 _doit="\ 732${_chdir:+cd $_chdir && }\ 733${_fib:+setfib -F $_fib }\ 734$command $rc_flags $command_args" 735 if [ -n "$_user" ]; then 736 _doit="su -m $_user -c 'sh -c \"$_doit\"'" 737 fi 738 if [ -n "$_nice" ]; then 739 if [ -z "$_user" ]; then 740 _doit="sh -c \"$_doit\"" 741 fi 742 _doit="nice -n $_nice $_doit" 743 fi 744 fi 745 746 # run the full command 747 # 748 if ! _run_rc_doit "$_doit"; then 749 warn "failed to start ${name}" 750 return 1 751 fi 752 753 # finally, run postcmd 754 # 755 _run_rc_postcmd 756 ;; 757 758 stop) 759 if [ -z "$rc_pid" ]; then 760 [ -n "$rc_fast" ] && return 0 761 _run_rc_notrunning 762 return 1 763 fi 764 765 _run_rc_precmd || return 1 766 767 # send the signal to stop 768 # 769 echo "Stopping ${name}." 770 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 771 _run_rc_doit "$_doit" || return 1 772 773 # wait for the command to exit, 774 # and run postcmd. 775 wait_for_pids $rc_pid 776 777 _run_rc_postcmd 778 ;; 779 780 reload) 781 if [ -z "$rc_pid" ]; then 782 _run_rc_notrunning 783 return 1 784 fi 785 786 _run_rc_precmd || return 1 787 788 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 789 _run_rc_doit "$_doit" || return 1 790 791 _run_rc_postcmd 792 ;; 793 794 restart) 795 # prevent restart being called more 796 # than once by any given script 797 # 798 if ${_rc_restart_done:-false}; then 799 return 0 800 fi 801 _rc_restart_done=true 802 803 _run_rc_precmd || return 1 804 805 # run those in a subshell to keep global variables 806 ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 807 ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 808 _return=$? 809 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 810 811 _run_rc_postcmd 812 ;; 813 814 poll) 815 _run_rc_precmd || return 1 816 if [ -n "$rc_pid" ]; then 817 wait_for_pids $rc_pid 818 fi 819 _run_rc_postcmd 820 ;; 821 822 rcvar) 823 echo -n "# $name" 824 if [ -n "$desc" ]; then 825 echo " : $desc" 826 else 827 echo "" 828 fi 829 echo "#" 830 # Get unique vars in $rcvar 831 for _v in $rcvar; do 832 case $v in 833 $_v\ *|\ *$_v|*\ $_v\ *) ;; 834 *) v="${v# } $_v" ;; 835 esac 836 done 837 838 # Display variables. 839 for _v in $v; do 840 if [ -z "$_v" ]; then 841 continue 842 fi 843 844 eval _desc=\$${_v}_desc 845 eval _defval=\$${_v}_defval 846 _h="-" 847 848 eval echo \"$_v=\\\"\$$_v\\\"\" 849 # decode multiple lines of _desc 850 while [ -n "$_desc" ]; do 851 case $_desc in 852 *^^*) 853 echo "# $_h ${_desc%%^^*}" 854 _desc=${_desc#*^^} 855 _h=" " 856 ;; 857 *) 858 echo "# $_h ${_desc}" 859 break 860 ;; 861 esac 862 done 863 echo "# (default: \"$_defval\")" 864 done 865 echo "" 866 ;; 867 868 *) 869 rc_usage $_keywords 870 ;; 871 872 esac 873 return $_return 874 done 875 876 echo 1>&2 "$0: unknown directive '$rc_arg'." 877 rc_usage $_keywords 878 # not reached 879} 880 881# 882# Helper functions for run_rc_command: common code. 883# They use such global variables besides the exported rc_* ones: 884# 885# name R/W 886# ------------------ 887# _precmd R 888# _postcmd R 889# _return W 890# 891_run_rc_precmd() 892{ 893 check_required_before "$rc_arg" || return 1 894 895 if [ -n "$_precmd" ]; then 896 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 897 eval "$_precmd $rc_extra_args" 898 _return=$? 899 900 # If precmd failed and force isn't set, request exit. 901 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 902 return 1 903 fi 904 fi 905 906 check_required_after "$rc_arg" || return 1 907 908 return 0 909} 910 911_run_rc_postcmd() 912{ 913 if [ -n "$_postcmd" ]; then 914 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 915 eval "$_postcmd $rc_extra_args" 916 _return=$? 917 fi 918 return 0 919} 920 921_run_rc_doit() 922{ 923 debug "run_rc_command: doit: $*" 924 eval "$@" 925 _return=$? 926 927 # If command failed and force isn't set, request exit. 928 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 929 return 1 930 fi 931 932 return 0 933} 934 935_run_rc_notrunning() 936{ 937 local _pidmsg 938 939 if [ -n "$pidfile" ]; then 940 _pidmsg=" (check $pidfile)." 941 else 942 _pidmsg= 943 fi 944 echo 1>&2 "${name} not running?${_pidmsg}" 945} 946 947_run_rc_killcmd() 948{ 949 local _cmd 950 951 _cmd="kill -$1 $rc_pid" 952 if [ -n "$_user" ]; then 953 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 954 fi 955 echo "$_cmd" 956} 957 958# 959# run_rc_script file arg 960# Start the script `file' with `arg', and correctly handle the 961# return value from the script. 962# If `file' ends with `.sh', it's sourced into the current environment 963# when $rc_fast_and_loose is set, otherwise it is run as a child process. 964# If `file' appears to be a backup or scratch file, ignore it. 965# Otherwise if it is executable run as a child process. 966# 967run_rc_script() 968{ 969 _file=$1 970 _arg=$2 971 if [ -z "$_file" -o -z "$_arg" ]; then 972 err 3 'USAGE: run_rc_script file arg' 973 fi 974 975 unset name command command_args command_interpreter \ 976 extra_commands pidfile procname \ 977 rcvar rcvars_obsolete required_dirs required_files \ 978 required_vars 979 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 980 981 case "$_file" in 982 /etc/rc.d/*.sh) # no longer allowed in the base 983 warn "Ignoring old-style startup script $_file" 984 ;; 985 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 986 warn "Ignoring scratch file $_file" 987 ;; 988 *) # run in subshell 989 if [ -x $_file ]; then 990 if [ -n "$rc_fast_and_loose" ]; then 991 set $_arg; . $_file 992 else 993 ( trap "echo Script $_file interrupted >&2 ; kill -QUIT $$" 3 994 trap "echo Script $_file interrupted >&2 ; exit 1" 2 995 trap "echo Script $_file running >&2" 29 996 set $_arg; . $_file ) 997 fi 998 fi 999 ;; 1000 esac 1001} 1002 1003# 1004# load_rc_config name 1005# Source in the configuration file for a given name. 1006# 1007load_rc_config() 1008{ 1009 local _name _rcvar_val _var _defval _v _msg _new 1010 _name=$1 1011 if [ -z "$_name" ]; then 1012 err 3 'USAGE: load_rc_config name' 1013 fi 1014 1015 if ${_rc_conf_loaded:-false}; then 1016 : 1017 else 1018 if [ -r /etc/defaults/rc.conf ]; then 1019 debug "Sourcing /etc/defaults/rc.conf" 1020 . /etc/defaults/rc.conf 1021 source_rc_confs 1022 elif [ -r /etc/rc.conf ]; then 1023 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1024 . /etc/rc.conf 1025 fi 1026 _rc_conf_loaded=true 1027 fi 1028 if [ -f /etc/rc.conf.d/"$_name" ]; then 1029 debug "Sourcing /etc/rc.conf.d/${_name}" 1030 . /etc/rc.conf.d/"$_name" 1031 fi 1032 1033 # Set defaults if defined. 1034 for _var in $rcvar; do 1035 eval _defval=\$${_var}_defval 1036 if [ -n "$_defval" ]; then 1037 eval : \${$_var:=\$${_var}_defval} 1038 fi 1039 done 1040 1041 # check obsolete rc.conf variables 1042 for _var in $rcvars_obsolete; do 1043 eval _v=\$$_var 1044 eval _msg=\$${_var}_obsolete_msg 1045 eval _new=\$${_var}_newvar 1046 case $_v in 1047 "") 1048 ;; 1049 *) 1050 if [ -z "$_new" ]; then 1051 _msg="Ignored." 1052 else 1053 eval $_new=\"\$$_var\" 1054 if [ -z "$_msg" ]; then 1055 _msg="Use \$$_new instead." 1056 fi 1057 fi 1058 warn "\$$_var is obsolete. $_msg" 1059 ;; 1060 esac 1061 done 1062} 1063 1064# 1065# load_rc_config_var name var 1066# Read the rc.conf(5) var for name and set in the 1067# current shell, using load_rc_config in a subshell to prevent 1068# unwanted side effects from other variable assignments. 1069# 1070load_rc_config_var() 1071{ 1072 if [ $# -ne 2 ]; then 1073 err 3 'USAGE: load_rc_config_var name var' 1074 fi 1075 eval $(eval '( 1076 load_rc_config '$1' >/dev/null; 1077 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1078 echo '$2'=\'\''${'$2'}\'\''; 1079 fi 1080 )' ) 1081} 1082 1083# 1084# rc_usage commands 1085# Print a usage string for $0, with `commands' being a list of 1086# valid commands. 1087# 1088rc_usage() 1089{ 1090 echo -n 1>&2 "Usage: $0 [fast|force|one|quiet](" 1091 1092 _sep= 1093 for _elem; do 1094 echo -n 1>&2 "$_sep$_elem" 1095 _sep="|" 1096 done 1097 echo 1>&2 ")" 1098 exit 1 1099} 1100 1101# 1102# err exitval message 1103# Display message to stderr and log to the syslog, and exit with exitval. 1104# 1105err() 1106{ 1107 exitval=$1 1108 shift 1109 1110 if [ -x /usr/bin/logger ]; then 1111 logger "$0: ERROR: $*" 1112 fi 1113 echo 1>&2 "$0: ERROR: $*" 1114 exit $exitval 1115} 1116 1117# 1118# warn message 1119# Display message to stderr and log to the syslog. 1120# 1121warn() 1122{ 1123 if [ -x /usr/bin/logger ]; then 1124 logger "$0: WARNING: $*" 1125 fi 1126 echo 1>&2 "$0: WARNING: $*" 1127} 1128 1129# 1130# info message 1131# Display informational message to stdout and log to syslog. 1132# 1133info() 1134{ 1135 case ${rc_info} in 1136 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1137 if [ -x /usr/bin/logger ]; then 1138 logger "$0: INFO: $*" 1139 fi 1140 echo "$0: INFO: $*" 1141 ;; 1142 esac 1143} 1144 1145# 1146# debug message 1147# If debugging is enabled in rc.conf output message to stderr. 1148# BEWARE that you don't call any subroutine that itself calls this 1149# function. 1150# 1151debug() 1152{ 1153 case ${rc_debug} in 1154 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1155 if [ -x /usr/bin/logger ]; then 1156 logger "$0: DEBUG: $*" 1157 fi 1158 echo 1>&2 "$0: DEBUG: $*" 1159 ;; 1160 esac 1161} 1162 1163# 1164# backup_file action file cur backup 1165# Make a backup copy of `file' into `cur', and save the previous 1166# version of `cur' as `backup' or use rcs for archiving. 1167# 1168# This routine checks the value of the backup_uses_rcs variable, 1169# which can be either YES or NO. 1170# 1171# The `action' keyword can be one of the following: 1172# 1173# add `file' is now being backed up (and is possibly 1174# being reentered into the backups system). `cur' 1175# is created and RCS files, if necessary, are 1176# created as well. 1177# 1178# update `file' has changed and needs to be backed up. 1179# If `cur' exists, it is copied to to `back' or 1180# checked into RCS (if the repository file is old), 1181# and then `file' is copied to `cur'. Another RCS 1182# check in done here if RCS is being used. 1183# 1184# remove `file' is no longer being tracked by the backups 1185# system. If RCS is not being used, `cur' is moved 1186# to `back', otherwise an empty file is checked in, 1187# and then `cur' is removed. 1188# 1189# 1190backup_file() 1191{ 1192 _action=$1 1193 _file=$2 1194 _cur=$3 1195 _back=$4 1196 1197 if checkyesno backup_uses_rcs; then 1198 _msg0="backup archive" 1199 _msg1="update" 1200 1201 # ensure that history file is not locked 1202 if [ -f $_cur,v ]; then 1203 rcs -q -u -U -M $_cur 1204 fi 1205 1206 # ensure after switching to rcs that the 1207 # current backup is not lost 1208 if [ -f $_cur ]; then 1209 # no archive, or current newer than archive 1210 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1211 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1212 rcs -q -kb -U $_cur 1213 co -q -f -u $_cur 1214 fi 1215 fi 1216 1217 case $_action in 1218 add|update) 1219 cp -p $_file $_cur 1220 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1221 rcs -q -kb -U $_cur 1222 co -q -f -u $_cur 1223 chown root:wheel $_cur $_cur,v 1224 ;; 1225 remove) 1226 cp /dev/null $_cur 1227 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1228 rcs -q -kb -U $_cur 1229 chown root:wheel $_cur $_cur,v 1230 rm $_cur 1231 ;; 1232 esac 1233 else 1234 case $_action in 1235 add|update) 1236 if [ -f $_cur ]; then 1237 cp -p $_cur $_back 1238 fi 1239 cp -p $_file $_cur 1240 chown root:wheel $_cur 1241 ;; 1242 remove) 1243 mv -f $_cur $_back 1244 ;; 1245 esac 1246 fi 1247} 1248 1249# make_symlink src link 1250# Make a symbolic link 'link' to src from basedir. If the 1251# directory in which link is to be created does not exist 1252# a warning will be displayed and an error will be returned. 1253# Returns 0 on success, 1 otherwise. 1254# 1255make_symlink() 1256{ 1257 local src link linkdir _me 1258 src="$1" 1259 link="$2" 1260 linkdir="`dirname $link`" 1261 _me="make_symlink()" 1262 1263 if [ -z "$src" -o -z "$link" ]; then 1264 warn "$_me: requires two arguments." 1265 return 1 1266 fi 1267 if [ ! -d "$linkdir" ]; then 1268 warn "$_me: the directory $linkdir does not exist." 1269 return 1 1270 fi 1271 if ! ln -sf $src $link; then 1272 warn "$_me: unable to make a symbolic link from $link to $src" 1273 return 1 1274 fi 1275 return 0 1276} 1277 1278# devfs_rulesets_from_file file 1279# Reads a set of devfs commands from file, and creates 1280# the specified rulesets with their rules. Returns non-zero 1281# if there was an error. 1282# 1283devfs_rulesets_from_file() 1284{ 1285 local file _err _me 1286 file="$1" 1287 _me="devfs_rulesets_from_file" 1288 _err=0 1289 1290 if [ -z "$file" ]; then 1291 warn "$_me: you must specify a file" 1292 return 1 1293 fi 1294 if [ ! -e "$file" ]; then 1295 debug "$_me: no such file ($file)" 1296 return 0 1297 fi 1298 debug "reading rulesets from file ($file)" 1299 { while read line 1300 do 1301 case $line in 1302 \#*) 1303 continue 1304 ;; 1305 \[*\]*) 1306 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1307 if [ -z "$rulenum" ]; then 1308 warn "$_me: cannot extract rule number ($line)" 1309 _err=1 1310 break 1311 fi 1312 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1313 if [ -z "$rulename" ]; then 1314 warn "$_me: cannot extract rule name ($line)" 1315 _err=1 1316 break; 1317 fi 1318 eval $rulename=\$rulenum 1319 debug "found ruleset: $rulename=$rulenum" 1320 if ! /sbin/devfs rule -s $rulenum delset; then 1321 _err=1 1322 break 1323 fi 1324 ;; 1325 *) 1326 rulecmd="${line%%"\#*"}" 1327 # evaluate the command incase it includes 1328 # other rules 1329 if [ -n "$rulecmd" ]; then 1330 debug "adding rule ($rulecmd)" 1331 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1332 then 1333 _err=1 1334 break 1335 fi 1336 fi 1337 ;; 1338 esac 1339 if [ $_err -ne 0 ]; then 1340 debug "error in $_me" 1341 break 1342 fi 1343 done } < $file 1344 return $_err 1345} 1346 1347# devfs_init_rulesets 1348# Initializes rulesets from configuration files. Returns 1349# non-zero if there was an error. 1350# 1351devfs_init_rulesets() 1352{ 1353 local file _me 1354 _me="devfs_init_rulesets" 1355 1356 # Go through this only once 1357 if [ -n "$devfs_rulesets_init" ]; then 1358 debug "$_me: devfs rulesets already initialized" 1359 return 1360 fi 1361 for file in $devfs_rulesets; do 1362 if ! devfs_rulesets_from_file $file; then 1363 warn "$_me: could not read rules from $file" 1364 return 1 1365 fi 1366 done 1367 devfs_rulesets_init=1 1368 debug "$_me: devfs rulesets initialized" 1369 return 0 1370} 1371 1372# devfs_set_ruleset ruleset [dir] 1373# Sets the default ruleset of dir to ruleset. The ruleset argument 1374# must be a ruleset name as specified in devfs.rules(5) file. 1375# Returns non-zero if it could not set it successfully. 1376# 1377devfs_set_ruleset() 1378{ 1379 local devdir rs _me 1380 [ -n "$1" ] && eval rs=\$$1 || rs= 1381 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1382 _me="devfs_set_ruleset" 1383 1384 if [ -z "$rs" ]; then 1385 warn "$_me: you must specify a ruleset number" 1386 return 1 1387 fi 1388 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1389 if ! /sbin/devfs $devdir ruleset $rs; then 1390 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1391 return 1 1392 fi 1393 return 0 1394} 1395 1396# devfs_apply_ruleset ruleset [dir] 1397# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1398# The ruleset argument must be a ruleset name as specified 1399# in a devfs.rules(5) file. Returns 0 on success or non-zero 1400# if it could not apply the ruleset. 1401# 1402devfs_apply_ruleset() 1403{ 1404 local devdir rs _me 1405 [ -n "$1" ] && eval rs=\$$1 || rs= 1406 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1407 _me="devfs_apply_ruleset" 1408 1409 if [ -z "$rs" ]; then 1410 warn "$_me: you must specify a ruleset" 1411 return 1 1412 fi 1413 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1414 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1415 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1416 return 1 1417 fi 1418 return 0 1419} 1420 1421# devfs_domount dir [ruleset] 1422# Mount devfs on dir. If ruleset is specified it is set 1423# on the mount-point. It must also be a ruleset name as specified 1424# in a devfs.rules(5) file. Returns 0 on success. 1425# 1426devfs_domount() 1427{ 1428 local devdir rs _me 1429 devdir="$1" 1430 [ -n "$2" ] && rs=$2 || rs= 1431 _me="devfs_domount()" 1432 1433 if [ -z "$devdir" ]; then 1434 warn "$_me: you must specify a mount-point" 1435 return 1 1436 fi 1437 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1438 if ! mount -t devfs dev "$devdir"; then 1439 warn "$_me: Unable to mount devfs on $devdir" 1440 return 1 1441 fi 1442 if [ -n "$rs" ]; then 1443 devfs_init_rulesets 1444 devfs_set_ruleset $rs $devdir 1445 devfs -m $devdir rule applyset 1446 fi 1447 return 0 1448} 1449 1450# devfs_mount_jail dir [ruleset] 1451# Mounts a devfs file system appropriate for jails 1452# on the directory dir. If ruleset is specified, the ruleset 1453# it names will be used instead. If present, ruleset must 1454# be the name of a ruleset as defined in a devfs.rules(5) file. 1455# This function returns non-zero if an error occurs. 1456# 1457devfs_mount_jail() 1458{ 1459 local jdev rs _me 1460 jdev="$1" 1461 [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1462 _me="devfs_mount_jail" 1463 1464 devfs_init_rulesets 1465 if ! devfs_domount "$jdev" $rs; then 1466 warn "$_me: devfs was not mounted on $jdev" 1467 return 1 1468 fi 1469 return 0 1470} 1471 1472# Provide a function for normalizing the mounting of memory 1473# filesystems. This should allow the rest of the code here to remain 1474# as close as possible between 5-current and 4-stable. 1475# $1 = size 1476# $2 = mount point 1477# $3 = (optional) extra mdmfs flags 1478mount_md() 1479{ 1480 if [ -n "$3" ]; then 1481 flags="$3" 1482 fi 1483 /sbin/mdmfs $flags -s $1 md $2 1484} 1485 1486# Code common to scripts that need to load a kernel module 1487# if it isn't in the kernel yet. Syntax: 1488# load_kld [-e regex] [-m module] file 1489# where -e or -m chooses the way to check if the module 1490# is already loaded: 1491# regex is egrep'd in the output from `kldstat -v', 1492# module is passed to `kldstat -m'. 1493# The default way is as though `-m file' were specified. 1494load_kld() 1495{ 1496 local _loaded _mod _opt _re 1497 1498 while getopts "e:m:" _opt; do 1499 case "$_opt" in 1500 e) _re="$OPTARG" ;; 1501 m) _mod="$OPTARG" ;; 1502 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1503 esac 1504 done 1505 shift $(($OPTIND - 1)) 1506 if [ $# -ne 1 ]; then 1507 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1508 fi 1509 _mod=${_mod:-$1} 1510 _loaded=false 1511 if [ -n "$_re" ]; then 1512 if kldstat -v | egrep -q -e "$_re"; then 1513 _loaded=true 1514 fi 1515 else 1516 if kldstat -q -m "$_mod"; then 1517 _loaded=true 1518 fi 1519 fi 1520 if ! $_loaded; then 1521 if ! kldload "$1"; then 1522 warn "Unable to load kernel module $1" 1523 return 1 1524 else 1525 info "$1 kernel module loaded." 1526 fi 1527 else 1528 debug "load_kld: $1 kernel module already loaded." 1529 fi 1530 return 0 1531} 1532 1533# ltr str src dst 1534# Change every $src in $str to $dst. 1535# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1536# awk(1). 1537ltr() 1538{ 1539 local _str _src _dst _out _com 1540 _str=$1 1541 _src=$2 1542 _dst=$3 1543 _out="" 1544 1545 IFS=${_src} 1546 for _com in ${_str}; do 1547 if [ -z "${_out}" ]; then 1548 _out="${_com}" 1549 else 1550 _out="${_out}${_dst}${_com}" 1551 fi 1552 done 1553 echo "${_out}" 1554} 1555 1556# Creates a list of providers for GELI encryption. 1557geli_make_list() 1558{ 1559 local devices devices2 1560 local provider mountpoint type options rest 1561 1562 # Create list of GELI providers from fstab. 1563 while read provider mountpoint type options rest ; do 1564 case ":${options}" in 1565 :*noauto*) 1566 noauto=yes 1567 ;; 1568 *) 1569 noauto=no 1570 ;; 1571 esac 1572 1573 case ":${provider}" in 1574 :#*) 1575 continue 1576 ;; 1577 *.eli) 1578 # Skip swap devices. 1579 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1580 continue 1581 fi 1582 devices="${devices} ${provider}" 1583 ;; 1584 esac 1585 done < /etc/fstab 1586 1587 # Append providers from geli_devices. 1588 devices="${devices} ${geli_devices}" 1589 1590 for provider in ${devices}; do 1591 provider=${provider%.eli} 1592 provider=${provider#/dev/} 1593 devices2="${devices2} ${provider}" 1594 done 1595 1596 echo ${devices2} 1597} 1598 1599# Find scripts in local_startup directories that use the old syntax 1600# 1601find_local_scripts_old() { 1602 zlist='' 1603 slist='' 1604 for dir in ${local_startup}; do 1605 if [ -d "${dir}" ]; then 1606 for file in ${dir}/[0-9]*.sh; do 1607 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1608 continue 1609 zlist="$zlist $file" 1610 done 1611 for file in ${dir}/[!0-9]*.sh; do 1612 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1613 continue 1614 slist="$slist $file" 1615 done 1616 fi 1617 done 1618} 1619 1620find_local_scripts_new() { 1621 local_rc='' 1622 for dir in ${local_startup}; do 1623 if [ -d "${dir}" ]; then 1624 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1625 case "$file" in 1626 *.sample) ;; 1627 *) if [ -x "$file" ]; then 1628 local_rc="${local_rc} ${file}" 1629 fi 1630 ;; 1631 esac 1632 done 1633 fi 1634 done 1635} 1636 1637# check_required_{before|after} command 1638# Check for things required by the command before and after its precmd, 1639# respectively. The two separate functions are needed because some 1640# conditions should prevent precmd from being run while other things 1641# depend on precmd having already been run. 1642# 1643check_required_before() 1644{ 1645 local _f 1646 1647 case "$1" in 1648 start) 1649 for _f in $required_vars; do 1650 if ! checkyesno $_f; then 1651 warn "\$${_f} is not enabled." 1652 if [ -z "$rc_force" ]; then 1653 return 1 1654 fi 1655 fi 1656 done 1657 1658 for _f in $required_dirs; do 1659 if [ ! -d "${_f}/." ]; then 1660 warn "${_f} is not a directory." 1661 if [ -z "$rc_force" ]; then 1662 return 1 1663 fi 1664 fi 1665 done 1666 1667 for _f in $required_files; do 1668 if [ ! -r "${_f}" ]; then 1669 warn "${_f} is not readable." 1670 if [ -z "$rc_force" ]; then 1671 return 1 1672 fi 1673 fi 1674 done 1675 ;; 1676 esac 1677 1678 return 0 1679} 1680 1681check_required_after() 1682{ 1683 local _f _args 1684 1685 case "$1" in 1686 start) 1687 for _f in $required_modules; do 1688 case "${_f}" in 1689 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1690 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1691 *) _args="${_f}" ;; 1692 esac 1693 if ! load_kld ${_args}; then 1694 if [ -z "$rc_force" ]; then 1695 return 1 1696 fi 1697 fi 1698 done 1699 ;; 1700 esac 1701 1702 return 0 1703} 1704 1705# check_kern_features mib 1706# Return existence of kern.features.* sysctl MIB as true or 1707# false. The result will be cached in $_rc_cache_kern_features_ 1708# namespace. "0" means the kern.features.X exists. 1709 1710check_kern_features() 1711{ 1712 local _v 1713 1714 [ -n "$1" ] || return 1; 1715 eval _v=\$_rc_cache_kern_features_$1 1716 [ -n "$_v" ] && return "$_v"; 1717 1718 if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then 1719 eval _rc_cache_kern_features_$1=0 1720 return 0 1721 else 1722 eval _rc_cache_kern_features_$1=1 1723 return 1 1724 fi 1725} 1726 1727# check_namevarlist var 1728# Return "0" if ${name}_var is reserved in rc.subr. 1729 1730_rc_namevarlist="program chroot chdir flags fib nice user group groups" 1731check_namevarlist() 1732{ 1733 local _v 1734 1735 for _v in $_rc_namevarlist; do 1736 case $1 in 1737 $_v) return 0 ;; 1738 esac 1739 done 1740 1741 return 1 1742} 1743 1744# _echoonce var msg mode 1745# mode=0: Echo $msg if ${$var} is empty. 1746# After doing echo, a string is set to ${$var}. 1747# 1748# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1749# 1750_echoonce() 1751{ 1752 local _var _msg _mode 1753 eval _var=\$$1 1754 _msg=$2 1755 _mode=$3 1756 1757 case $_mode in 1758 1) [ -n "$_var" ] && echo "$_msg" ;; 1759 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1760 esac 1761} 1762 1763fi # [ -z "${_rc_subr_loaded}" ] 1764 1765_rc_subr_loaded=: 1766