rc.subr revision 223227
1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD: head/etc/rc.subr 223227 2011-06-18 11:05:30Z jilles $ 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: ${rcvar_manpage:='rc.conf(5)'} 36: ${RC_PID:=$$}; export RC_PID 37 38# 39# Operating System dependent/independent variables 40# 41 42if [ -z "${_rc_subr_loaded}" ]; then 43 44_rc_subr_loaded="YES" 45 46SYSCTL="/sbin/sysctl" 47SYSCTL_N="${SYSCTL} -n" 48SYSCTL_W="${SYSCTL}" 49ID="/usr/bin/id" 50IDCMD="if [ -x $ID ]; then $ID -un; fi" 51PS="/bin/ps -ww" 52JID=`$PS -p $$ -o jid=` 53 54# 55# functions 56# --------- 57 58# set_rcvar [var] [defval] [desc] 59# 60# Echo or define a rc.conf(5) variable name. Global variable 61# $rcvars is used. 62# 63# If no argument is specified, echo "${name}_enable". 64# 65# If only a var is specified, echo "${var}_enable". 66# 67# If var and defval are specified, the ${var} is defined as 68# rc.conf(5) variable and the default value is ${defvar}. An 69# optional argument $desc can also be specified to add a 70# description for that. 71# 72set_rcvar() 73{ 74 case $# in 75 0) 76 echo ${name}_enable 77 ;; 78 1) 79 echo ${1}_enable 80 ;; 81 *) 82 debug "rcvar_define: \$$1=$2 is added" \ 83 " as a rc.conf(5) variable." 84 85 local _var 86 _var=$1 87 rcvars="${rcvars# } $_var" 88 eval ${_var}_defval=\"$2\" 89 shift 2 90 # encode multiple lines of _desc 91 for l in "$@"; do 92 eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 93 done 94 eval ${_var}_desc=\"\${${_var}_desc#^^}\" 95 ;; 96 esac 97} 98 99# set_rcvar_obsolete oldvar [newvar] [msg] 100# Define obsolete variable. 101# Global variable $rcvars_obsolete is used. 102# 103set_rcvar_obsolete() 104{ 105 local _var 106 _var=$1 107 debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 108 109 rcvars_obsolete="${rcvars_obsolete# } $1" 110 eval ${1}_newvar=\"$2\" 111 shift 2 112 eval ${_var}_obsolete_msg=\"$*\" 113} 114 115# 116# force_depend script 117# Force a service to start. Intended for use by services 118# to resolve dependency issues. It is assumed the caller 119# has check to make sure this call is necessary 120# $1 - filename of script, in /etc/rc.d, to run 121# 122force_depend() 123{ 124 _depend="$1" 125 126 info "${name} depends on ${_depend}, which will be forced to start." 127 if ! /etc/rc.d/${_depend} forcestart; then 128 warn "Unable to force ${_depend}. It may already be running." 129 return 1 130 fi 131 return 0 132} 133 134# 135# checkyesno var 136# Test $1 variable, and warn if not set to YES or NO. 137# Return 0 if it's "yes" (et al), nonzero otherwise. 138# 139checkyesno() 140{ 141 eval _value=\$${1} 142 debug "checkyesno: $1 is set to $_value." 143 case $_value in 144 145 # "yes", "true", "on", or "1" 146 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 147 return 0 148 ;; 149 150 # "no", "false", "off", or "0" 151 [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 152 return 1 153 ;; 154 *) 155 warn "\$${1} is not set properly - see ${rcvar_manpage}." 156 return 1 157 ;; 158 esac 159} 160 161# 162# reverse_list list 163# print the list in reverse order 164# 165reverse_list() 166{ 167 _revlist= 168 for _revfile; do 169 _revlist="$_revfile $_revlist" 170 done 171 echo $_revlist 172} 173 174# stop_boot always 175# If booting directly to multiuser or $always is enabled, 176# send SIGTERM to the parent (/etc/rc) to abort the boot. 177# Otherwise just exit. 178# 179stop_boot() 180{ 181 local always 182 183 case $1 in 184 # "yes", "true", "on", or "1" 185 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 186 always=true 187 ;; 188 *) 189 always=false 190 ;; 191 esac 192 if [ "$autoboot" = yes -o "$always" = true ]; then 193 echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 194 kill -TERM ${RC_PID} 195 fi 196 exit 1 197} 198 199# 200# mount_critical_filesystems type 201# Go through the list of critical filesystems as provided in 202# the rc.conf(5) variable $critical_filesystems_${type}, checking 203# each one to see if it is mounted, and if it is not, mounting it. 204# 205mount_critical_filesystems() 206{ 207 eval _fslist=\$critical_filesystems_${1} 208 for _fs in $_fslist; do 209 mount | ( 210 _ismounted=false 211 while read what _on on _type type; do 212 if [ $on = $_fs ]; then 213 _ismounted=true 214 fi 215 done 216 if $_ismounted; then 217 : 218 else 219 mount $_fs >/dev/null 2>&1 220 fi 221 ) 222 done 223} 224 225# 226# check_pidfile pidfile procname [interpreter] 227# Parses the first line of pidfile for a PID, and ensures 228# that the process is running and matches procname. 229# Prints the matching PID upon success, nothing otherwise. 230# interpreter is optional; see _find_processes() for details. 231# 232check_pidfile() 233{ 234 _pidfile=$1 235 _procname=$2 236 _interpreter=$3 237 if [ -z "$_pidfile" -o -z "$_procname" ]; then 238 err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 239 fi 240 if [ ! -f $_pidfile ]; then 241 debug "pid file ($_pidfile): not readable." 242 return 243 fi 244 read _pid _junk < $_pidfile 245 if [ -z "$_pid" ]; then 246 debug "pid file ($_pidfile): no pid in file." 247 return 248 fi 249 _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 250} 251 252# 253# check_process procname [interpreter] 254# Ensures that a process (or processes) named procname is running. 255# Prints a list of matching PIDs. 256# interpreter is optional; see _find_processes() for details. 257# 258check_process() 259{ 260 _procname=$1 261 _interpreter=$2 262 if [ -z "$_procname" ]; then 263 err 3 'USAGE: check_process procname [interpreter]' 264 fi 265 _find_processes $_procname ${_interpreter:-.} '-ax' 266} 267 268# 269# _find_processes procname interpreter psargs 270# Search for procname in the output of ps generated by psargs. 271# Prints the PIDs of any matching processes, space separated. 272# 273# If interpreter == ".", check the following variations of procname 274# against the first word of each command: 275# procname 276# `basename procname` 277# `basename procname` + ":" 278# "(" + `basename procname` + ")" 279# "[" + `basename procname` + "]" 280# 281# If interpreter != ".", read the first line of procname, remove the 282# leading #!, normalise whitespace, append procname, and attempt to 283# match that against each command, either as is, or with extra words 284# at the end. As an alternative, to deal with interpreted daemons 285# using perl, the basename of the interpreter plus a colon is also 286# tried as the prefix to procname. 287# 288_find_processes() 289{ 290 if [ $# -ne 3 ]; then 291 err 3 'USAGE: _find_processes procname interpreter psargs' 292 fi 293 _procname=$1 294 _interpreter=$2 295 _psargs=$3 296 297 _pref= 298 if [ $_interpreter != "." ]; then # an interpreted script 299 _script=${_chroot}${_chroot:+"/"}$_procname 300 if [ -r $_script ]; then 301 read _interp < $_script # read interpreter name 302 case "$_interp" in 303 \#!*) 304 _interp=${_interp#\#!} # strip #! 305 set -- $_interp 306 case $1 in 307 */bin/env) 308 shift # drop env to get real name 309 ;; 310 esac 311 if [ $_interpreter != $1 ]; then 312 warn "\$command_interpreter $_interpreter != $1" 313 fi 314 ;; 315 *) 316 warn "no shebang line in $_script" 317 set -- $_interpreter 318 ;; 319 esac 320 else 321 warn "cannot read shebang line from $_script" 322 set -- $_interpreter 323 fi 324 _interp="$* $_procname" # cleanup spaces, add _procname 325 _interpbn=${1##*/} 326 _fp_args='_argv' 327 _fp_match='case "$_argv" in 328 ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 329 else # a normal daemon 330 _procnamebn=${_procname##*/} 331 _fp_args='_arg0 _argv' 332 _fp_match='case "$_arg0" in 333 $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 334 fi 335 336 _proccheck="\ 337 $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 338 while read _npid _jid '"$_fp_args"'; do 339 '"$_fp_match"' 340 if [ "$JID" -eq "$_jid" ]; 341 then echo -n "$_pref$_npid"; 342 _pref=" "; 343 fi 344 ;; 345 esac 346 done' 347 348# debug "in _find_processes: proccheck is ($_proccheck)." 349 eval $_proccheck 350} 351 352# 353# wait_for_pids pid [pid ...] 354# spins until none of the pids exist 355# 356wait_for_pids() 357{ 358 local _list _prefix _nlist _j 359 360 _list="$@" 361 if [ -z "$_list" ]; then 362 return 363 fi 364 _prefix= 365 while true; do 366 _nlist=""; 367 for _j in $_list; do 368 if kill -0 $_j 2>/dev/null; then 369 _nlist="${_nlist}${_nlist:+ }$_j" 370 [ -n "$_prefix" ] && sleep 1 371 fi 372 done 373 if [ -z "$_nlist" ]; then 374 break 375 fi 376 _list=$_nlist 377 echo -n ${_prefix:-"Waiting for PIDS: "}$_list 378 _prefix=", " 379 pwait $_list 2>/dev/null 380 done 381 if [ -n "$_prefix" ]; then 382 echo "." 383 fi 384} 385 386# 387# get_pidfile_from_conf string file 388# 389# Takes a string to search for in the specified file. 390# Ignores lines with traditional comment characters. 391# 392# Example: 393# 394# if get_pidfile_from_conf string file; then 395# pidfile="$_pidfile_from_conf" 396# else 397# pidfile='appropriate default' 398# fi 399# 400get_pidfile_from_conf() 401{ 402 if [ -z "$1" -o -z "$2" ]; then 403 err 3 "USAGE: get_pidfile_from_conf string file ($name)" 404 fi 405 406 local string file line 407 408 string="$1" ; file="$2" 409 410 if [ ! -s "$file" ]; then 411 err 3 "get_pidfile_from_conf: $file does not exist ($name)" 412 fi 413 414 while read line; do 415 case "$line" in 416 *[#\;]*${string}*) continue ;; 417 *${string}*) break ;; 418 esac 419 done < $file 420 421 if [ -n "$line" ]; then 422 line=${line#*/} 423 _pidfile_from_conf="/${line%%[\"\;]*}" 424 else 425 return 1 426 fi 427} 428 429# 430# check_startmsgs 431# If rc_quiet is set (usually as a result of using faststart at 432# boot time) check if rc_startmsgs is enabled. 433# 434check_startmsgs() 435{ 436 if [ -n "$rc_quiet" ]; then 437 checkyesno rc_startmsgs 438 else 439 return 0 440 fi 441} 442 443# 444# run_rc_command argument 445# Search for argument in the list of supported commands, which is: 446# "start stop restart rcvar status poll ${extra_commands}" 447# If there's a match, run ${argument}_cmd or the default method 448# (see below). 449# 450# If argument has a given prefix, then change the operation as follows: 451# Prefix Operation 452# ------ --------- 453# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 454# force Set ${rcvar} to YES, and set rc_force=yes 455# one Set ${rcvar} to YES 456# quiet Don't output some diagnostics, and set rc_quiet=yes 457# 458# The following globals are used: 459# 460# Name Needed Purpose 461# ---- ------ ------- 462# name y Name of script. 463# 464# command n Full path to command. 465# Not needed if ${rc_arg}_cmd is set for 466# each keyword. 467# 468# command_args n Optional args/shell directives for command. 469# 470# command_interpreter n If not empty, command is interpreted, so 471# call check_{pidfile,process}() appropriately. 472# 473# desc n Description of script. 474# 475# extra_commands n List of extra commands supported. 476# 477# pidfile n If set, use check_pidfile $pidfile $command, 478# otherwise use check_process $command. 479# In either case, only check if $command is set. 480# 481# procname n Process name to check for instead of $command. 482# 483# rcvar n This is checked with checkyesno to determine 484# if the action should be run. 485# 486# ${name}_program n Full path to command. 487# Meant to be used in /etc/rc.conf to override 488# ${command}. 489# 490# ${name}_chroot n Directory to chroot to before running ${command} 491# Requires /usr to be mounted. 492# 493# ${name}_chdir n Directory to cd to before running ${command} 494# (if not using ${name}_chroot). 495# 496# ${name}_flags n Arguments to call ${command} with. 497# NOTE: $flags from the parent environment 498# can be used to override this. 499# 500# ${name}_nice n Nice level to run ${command} at. 501# 502# ${name}_user n User to run ${command} as, using su(1) if not 503# using ${name}_chroot. 504# Requires /usr to be mounted. 505# 506# ${name}_group n Group to run chrooted ${command} as. 507# Requires /usr to be mounted. 508# 509# ${name}_groups n Comma separated list of supplementary groups 510# to run the chrooted ${command} with. 511# Requires /usr to be mounted. 512# 513# ${rc_arg}_cmd n If set, use this as the method when invoked; 514# Otherwise, use default command (see below) 515# 516# ${rc_arg}_precmd n If set, run just before performing the 517# ${rc_arg}_cmd method in the default 518# operation (i.e, after checking for required 519# bits and process (non)existence). 520# If this completes with a non-zero exit code, 521# don't run ${rc_arg}_cmd. 522# 523# ${rc_arg}_postcmd n If set, run just after performing the 524# ${rc_arg}_cmd method, if that method 525# returned a zero exit code. 526# 527# required_dirs n If set, check for the existence of the given 528# directories before running a (re)start command. 529# 530# required_files n If set, check for the readability of the given 531# files before running a (re)start command. 532# 533# required_modules n If set, ensure the given kernel modules are 534# loaded before running a (re)start command. 535# The check and possible loads are actually 536# done after start_precmd so that the modules 537# aren't loaded in vain, should the precmd 538# return a non-zero status to indicate a error. 539# If a word in the list looks like "foo:bar", 540# "foo" is the KLD file name and "bar" is the 541# module name. If a word looks like "foo~bar", 542# "foo" is the KLD file name and "bar" is a 543# egrep(1) pattern matching the module name. 544# Otherwise the module name is assumed to be 545# the same as the KLD file name, which is most 546# common. See load_kld(). 547# 548# required_vars n If set, perform checkyesno on each of the 549# listed variables before running the default 550# (re)start command. 551# 552# Default behaviour for a given argument, if no override method is 553# provided: 554# 555# Argument Default behaviour 556# -------- ----------------- 557# start if !running && checkyesno ${rcvar} 558# ${command} 559# 560# stop if ${pidfile} 561# rc_pid=$(check_pidfile $pidfile $command) 562# else 563# rc_pid=$(check_process $command) 564# kill $sig_stop $rc_pid 565# wait_for_pids $rc_pid 566# ($sig_stop defaults to TERM.) 567# 568# reload Similar to stop, except use $sig_reload instead, 569# and doesn't wait_for_pids. 570# $sig_reload defaults to HUP. 571# Note that `reload' isn't provided by default, 572# it should be enabled via $extra_commands. 573# 574# restart Run `stop' then `start'. 575# 576# status Show if ${command} is running, etc. 577# 578# poll Wait for ${command} to exit. 579# 580# rcvar Display what rc.conf variable is used (if any). 581# 582# Variables available to methods, and after run_rc_command() has 583# completed: 584# 585# Variable Purpose 586# -------- ------- 587# rc_arg Argument to command, after fast/force/one processing 588# performed 589# 590# rc_flags Flags to start the default command with. 591# Defaults to ${name}_flags, unless overridden 592# by $flags from the environment. 593# This variable may be changed by the precmd method. 594# 595# rc_pid PID of command (if appropriate) 596# 597# rc_fast Not empty if "fast" was provided (q.v.) 598# 599# rc_force Not empty if "force" was provided (q.v.) 600# 601# rc_quiet Not empty if "quiet" was provided 602# 603# 604run_rc_command() 605{ 606 _return=0 607 rc_arg=$1 608 if [ -z "$name" ]; then 609 err 3 'run_rc_command: $name is not set.' 610 fi 611 612 # Don't repeat the first argument when passing additional command- 613 # line arguments to the command subroutines. 614 # 615 shift 1 616 rc_extra_args="$*" 617 618 _rc_prefix= 619 case "$rc_arg" in 620 fast*) # "fast" prefix; don't check pid 621 rc_arg=${rc_arg#fast} 622 rc_fast=yes 623 rc_quiet=yes 624 ;; 625 force*) # "force" prefix; always run 626 rc_force=yes 627 _rc_prefix=force 628 rc_arg=${rc_arg#${_rc_prefix}} 629 if [ -n "${rcvar}" ]; then 630 eval ${rcvar}=YES 631 fi 632 ;; 633 one*) # "one" prefix; set ${rcvar}=yes 634 _rc_prefix=one 635 rc_arg=${rc_arg#${_rc_prefix}} 636 if [ -n "${rcvar}" ]; then 637 eval ${rcvar}=YES 638 fi 639 ;; 640 quiet*) # "quiet" prefix; omit some messages 641 _rc_prefix=quiet 642 rc_arg=${rc_arg#${_rc_prefix}} 643 rc_quiet=yes 644 ;; 645 esac 646 647 eval _override_command=\$${name}_program 648 command=${_override_command:-$command} 649 650 _keywords="start stop restart rcvar $extra_commands" 651 rc_pid= 652 _pidcmd= 653 _procname=${procname:-${command}} 654 655 # setup pid check command 656 if [ -n "$_procname" ]; then 657 if [ -n "$pidfile" ]; then 658 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 659 else 660 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 661 fi 662 if [ -n "$_pidcmd" ]; then 663 _keywords="${_keywords} status poll" 664 fi 665 fi 666 667 if [ -z "$rc_arg" ]; then 668 rc_usage $_keywords 669 fi 670 671 if [ -n "$flags" ]; then # allow override from environment 672 rc_flags=$flags 673 else 674 eval rc_flags=\$${name}_flags 675 fi 676 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 677 _nice=\$${name}_nice _user=\$${name}_user \ 678 _group=\$${name}_group _groups=\$${name}_groups 679 680 if [ -n "$_user" ]; then # unset $_user if running as that user 681 if [ "$_user" = "$(eval $IDCMD)" ]; then 682 unset _user 683 fi 684 fi 685 686 eval $_pidcmd # determine the pid if necessary 687 688 for _elem in $_keywords; do 689 if [ "$_elem" != "$rc_arg" ]; then 690 continue 691 fi 692 # if ${rcvar} is set, $1 is not "rcvar" 693 # and ${rc_pid} is not set, then run 694 # checkyesno ${rcvar} 695 # and return if that failed 696 # 697 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 698 [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 699 if ! checkyesno ${rcvar}; then 700 if [ -n "${rc_quiet}" ]; then 701 return 0 702 fi 703 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 704 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 705 echo "instead of '${rc_arg}'." 706 return 0 707 fi 708 fi 709 710 # if there's a custom ${XXX_cmd}, 711 # run that instead of the default 712 # 713 eval _cmd=\$${rc_arg}_cmd \ 714 _precmd=\$${rc_arg}_precmd \ 715 _postcmd=\$${rc_arg}_postcmd 716 717 if [ -n "$_cmd" ]; then 718 _run_rc_precmd || return 1 719 _run_rc_doit "$_cmd $rc_extra_args" || return 1 720 _run_rc_postcmd 721 return $_return 722 fi 723 724 case "$rc_arg" in # default operations... 725 726 status) 727 _run_rc_precmd || return 1 728 if [ -n "$rc_pid" ]; then 729 echo "${name} is running as pid $rc_pid." 730 else 731 echo "${name} is not running." 732 return 1 733 fi 734 _run_rc_postcmd 735 ;; 736 737 start) 738 if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 739 echo 1>&2 "${name} already running? (pid=$rc_pid)." 740 return 1 741 fi 742 743 if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 744 warn "run_rc_command: cannot run $command" 745 return 1 746 fi 747 748 if ! _run_rc_precmd; then 749 warn "failed precmd routine for ${name}" 750 return 1 751 fi 752 753 # setup the full command to run 754 # 755 check_startmsgs && echo "Starting ${name}." 756 if [ -n "$_chroot" ]; then 757 _doit="\ 758${_nice:+nice -n $_nice }\ 759chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 760$_chroot $command $rc_flags $command_args" 761 else 762 _doit="\ 763${_chdir:+cd $_chdir && }\ 764$command $rc_flags $command_args" 765 if [ -n "$_user" ]; then 766 _doit="su -m $_user -c 'sh -c \"$_doit\"'" 767 fi 768 if [ -n "$_nice" ]; then 769 if [ -z "$_user" ]; then 770 _doit="sh -c \"$_doit\"" 771 fi 772 _doit="nice -n $_nice $_doit" 773 fi 774 fi 775 776 # run the full command 777 # 778 if ! _run_rc_doit "$_doit"; then 779 warn "failed to start ${name}" 780 return 1 781 fi 782 783 # finally, run postcmd 784 # 785 _run_rc_postcmd 786 ;; 787 788 stop) 789 if [ -z "$rc_pid" ]; then 790 [ -n "$rc_fast" ] && return 0 791 _run_rc_notrunning 792 return 1 793 fi 794 795 _run_rc_precmd || return 1 796 797 # send the signal to stop 798 # 799 echo "Stopping ${name}." 800 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 801 _run_rc_doit "$_doit" || return 1 802 803 # wait for the command to exit, 804 # and run postcmd. 805 wait_for_pids $rc_pid 806 807 _run_rc_postcmd 808 ;; 809 810 reload) 811 if [ -z "$rc_pid" ]; then 812 _run_rc_notrunning 813 return 1 814 fi 815 816 _run_rc_precmd || return 1 817 818 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 819 _run_rc_doit "$_doit" || return 1 820 821 _run_rc_postcmd 822 ;; 823 824 restart) 825 # prevent restart being called more 826 # than once by any given script 827 # 828 if ${_rc_restart_done:-false}; then 829 return 0 830 fi 831 _rc_restart_done=true 832 833 _run_rc_precmd || return 1 834 835 # run those in a subshell to keep global variables 836 ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 837 ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 838 _return=$? 839 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 840 841 _run_rc_postcmd 842 ;; 843 844 poll) 845 _run_rc_precmd || return 1 846 if [ -n "$rc_pid" ]; then 847 wait_for_pids $rc_pid 848 fi 849 _run_rc_postcmd 850 ;; 851 852 rcvar) 853 echo -n "# $name" 854 if [ -n "$desc" ]; then 855 echo " : $desc" 856 else 857 echo "" 858 fi 859 echo "#" 860 # Get unique vars in $rcvar $rcvars 861 for _v in $rcvar $rcvars; do 862 case $v in 863 $_v\ *|\ *$_v|*\ $_v\ *) ;; 864 *) v="${v# } $_v" ;; 865 esac 866 done 867 868 # Display variables. 869 for _v in $v; do 870 if [ -z "$_v" ]; then 871 continue 872 fi 873 874 eval _desc=\$${_v}_desc 875 eval _defval=\$${_v}_defval 876 _h="-" 877 878 eval echo \"$_v=\\\"\$$_v\\\"\" 879 # decode multiple lines of _desc 880 while [ -n "$_desc" ]; do 881 case $_desc in 882 *^^*) 883 echo "# $_h ${_desc%%^^*}" 884 _desc=${_desc#*^^} 885 _h=" " 886 ;; 887 *) 888 echo "# $_h ${_desc}" 889 break 890 ;; 891 esac 892 done 893 echo "# (default: \"$_defval\")" 894 done 895 echo "" 896 ;; 897 898 *) 899 rc_usage $_keywords 900 ;; 901 902 esac 903 return $_return 904 done 905 906 echo 1>&2 "$0: unknown directive '$rc_arg'." 907 rc_usage $_keywords 908 # not reached 909} 910 911# 912# Helper functions for run_rc_command: common code. 913# They use such global variables besides the exported rc_* ones: 914# 915# name R/W 916# ------------------ 917# _precmd R 918# _postcmd R 919# _return W 920# 921_run_rc_precmd() 922{ 923 check_required_before "$rc_arg" || return 1 924 925 if [ -n "$_precmd" ]; then 926 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 927 eval "$_precmd $rc_extra_args" 928 _return=$? 929 930 # If precmd failed and force isn't set, request exit. 931 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 932 return 1 933 fi 934 fi 935 936 check_required_after "$rc_arg" || return 1 937 938 return 0 939} 940 941_run_rc_postcmd() 942{ 943 if [ -n "$_postcmd" ]; then 944 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 945 eval "$_postcmd $rc_extra_args" 946 _return=$? 947 fi 948 return 0 949} 950 951_run_rc_doit() 952{ 953 debug "run_rc_command: doit: $*" 954 eval "$@" 955 _return=$? 956 957 # If command failed and force isn't set, request exit. 958 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 959 return 1 960 fi 961 962 return 0 963} 964 965_run_rc_notrunning() 966{ 967 local _pidmsg 968 969 if [ -n "$pidfile" ]; then 970 _pidmsg=" (check $pidfile)." 971 else 972 _pidmsg= 973 fi 974 echo 1>&2 "${name} not running?${_pidmsg}" 975} 976 977_run_rc_killcmd() 978{ 979 local _cmd 980 981 _cmd="kill -$1 $rc_pid" 982 if [ -n "$_user" ]; then 983 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 984 fi 985 echo "$_cmd" 986} 987 988# 989# run_rc_script file arg 990# Start the script `file' with `arg', and correctly handle the 991# return value from the script. 992# If `file' ends with `.sh', it's sourced into the current environment 993# when $rc_fast_and_loose is set, otherwise it is run as a child process. 994# If `file' appears to be a backup or scratch file, ignore it. 995# Otherwise if it is executable run as a child process. 996# 997run_rc_script() 998{ 999 _file=$1 1000 _arg=$2 1001 if [ -z "$_file" -o -z "$_arg" ]; then 1002 err 3 'USAGE: run_rc_script file arg' 1003 fi 1004 1005 unset name command command_args command_interpreter \ 1006 extra_commands pidfile procname \ 1007 rcvar rcvars rcvars_obsolete required_dirs required_files \ 1008 required_vars 1009 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 1010 1011 case "$_file" in 1012 /etc/rc.d/*.sh) # no longer allowed in the base 1013 warn "Ignoring old-style startup script $_file" 1014 ;; 1015 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 1016 warn "Ignoring scratch file $_file" 1017 ;; 1018 *) # run in subshell 1019 if [ -x $_file ]; then 1020 if [ -n "$rc_fast_and_loose" ]; then 1021 set $_arg; . $_file 1022 else 1023 ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 1024 trap "echo Script $_file interrupted; exit 1" 2 1025 trap "echo Script $_file running" 29 1026 set $_arg; . $_file ) 1027 fi 1028 fi 1029 ;; 1030 esac 1031} 1032 1033# 1034# load_rc_config name 1035# Source in the configuration file for a given name. 1036# 1037load_rc_config() 1038{ 1039 local _name _var _defval _v _msg _new 1040 _name=$1 1041 if [ -z "$_name" ]; then 1042 err 3 'USAGE: load_rc_config name' 1043 fi 1044 1045 if ${_rc_conf_loaded:-false}; then 1046 : 1047 else 1048 if [ -r /etc/defaults/rc.conf ]; then 1049 debug "Sourcing /etc/defaults/rc.conf" 1050 . /etc/defaults/rc.conf 1051 source_rc_confs 1052 elif [ -r /etc/rc.conf ]; then 1053 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1054 . /etc/rc.conf 1055 fi 1056 _rc_conf_loaded=true 1057 fi 1058 if [ -f /etc/rc.conf.d/"$_name" ]; then 1059 debug "Sourcing /etc/rc.conf.d/${_name}" 1060 . /etc/rc.conf.d/"$_name" 1061 fi 1062 1063 # Set defaults if defined. 1064 for _var in $rcvar $rcvars; do 1065 eval _defval=\$${_var}_defval 1066 if [ -n "$_defval" ]; then 1067 eval : \${$_var:=\$${_var}_defval} 1068 fi 1069 done 1070 1071 # check obsolete rc.conf variables 1072 for _var in $rcvars_obsolete; do 1073 eval _v=\$$_var 1074 eval _msg=\$${_var}_obsolete_msg 1075 eval _new=\$${_var}_newvar 1076 case $_v in 1077 "") 1078 ;; 1079 *) 1080 if [ -z "$_new" ]; then 1081 _msg="Ignored." 1082 else 1083 eval $_new=\"\$$_var\" 1084 if [ -z "$_msg" ]; then 1085 _msg="Use \$$_new instead." 1086 fi 1087 fi 1088 warn "\$$_var is obsolete. $_msg" 1089 ;; 1090 esac 1091 done 1092} 1093 1094# 1095# load_rc_config_var name var 1096# Read the rc.conf(5) var for name and set in the 1097# current shell, using load_rc_config in a subshell to prevent 1098# unwanted side effects from other variable assignments. 1099# 1100load_rc_config_var() 1101{ 1102 if [ $# -ne 2 ]; then 1103 err 3 'USAGE: load_rc_config_var name var' 1104 fi 1105 eval $(eval '( 1106 load_rc_config '$1' >/dev/null; 1107 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1108 echo '$2'=\'\''${'$2'}\'\''; 1109 fi 1110 )' ) 1111} 1112 1113# 1114# rc_usage commands 1115# Print a usage string for $0, with `commands' being a list of 1116# valid commands. 1117# 1118rc_usage() 1119{ 1120 echo -n 1>&2 "Usage: $0 [fast|force|one](" 1121 1122 _sep= 1123 for _elem; do 1124 echo -n 1>&2 "$_sep$_elem" 1125 _sep="|" 1126 done 1127 echo 1>&2 ")" 1128 exit 1 1129} 1130 1131# 1132# err exitval message 1133# Display message to stderr and log to the syslog, and exit with exitval. 1134# 1135err() 1136{ 1137 exitval=$1 1138 shift 1139 1140 if [ -x /usr/bin/logger ]; then 1141 logger "$0: ERROR: $*" 1142 fi 1143 echo 1>&2 "$0: ERROR: $*" 1144 exit $exitval 1145} 1146 1147# 1148# warn message 1149# Display message to stderr and log to the syslog. 1150# 1151warn() 1152{ 1153 if [ -x /usr/bin/logger ]; then 1154 logger "$0: WARNING: $*" 1155 fi 1156 echo 1>&2 "$0: WARNING: $*" 1157} 1158 1159# 1160# info message 1161# Display informational message to stdout and log to syslog. 1162# 1163info() 1164{ 1165 case ${rc_info} in 1166 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1167 if [ -x /usr/bin/logger ]; then 1168 logger "$0: INFO: $*" 1169 fi 1170 echo "$0: INFO: $*" 1171 ;; 1172 esac 1173} 1174 1175# 1176# debug message 1177# If debugging is enabled in rc.conf output message to stderr. 1178# BEWARE that you don't call any subroutine that itself calls this 1179# function. 1180# 1181debug() 1182{ 1183 case ${rc_debug} in 1184 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1185 if [ -x /usr/bin/logger ]; then 1186 logger "$0: DEBUG: $*" 1187 fi 1188 echo 1>&2 "$0: DEBUG: $*" 1189 ;; 1190 esac 1191} 1192 1193# 1194# backup_file action file cur backup 1195# Make a backup copy of `file' into `cur', and save the previous 1196# version of `cur' as `backup' or use rcs for archiving. 1197# 1198# This routine checks the value of the backup_uses_rcs variable, 1199# which can be either YES or NO. 1200# 1201# The `action' keyword can be one of the following: 1202# 1203# add `file' is now being backed up (and is possibly 1204# being reentered into the backups system). `cur' 1205# is created and RCS files, if necessary, are 1206# created as well. 1207# 1208# update `file' has changed and needs to be backed up. 1209# If `cur' exists, it is copied to to `back' or 1210# checked into RCS (if the repository file is old), 1211# and then `file' is copied to `cur'. Another RCS 1212# check in done here if RCS is being used. 1213# 1214# remove `file' is no longer being tracked by the backups 1215# system. If RCS is not being used, `cur' is moved 1216# to `back', otherwise an empty file is checked in, 1217# and then `cur' is removed. 1218# 1219# 1220backup_file() 1221{ 1222 _action=$1 1223 _file=$2 1224 _cur=$3 1225 _back=$4 1226 1227 if checkyesno backup_uses_rcs; then 1228 _msg0="backup archive" 1229 _msg1="update" 1230 1231 # ensure that history file is not locked 1232 if [ -f $_cur,v ]; then 1233 rcs -q -u -U -M $_cur 1234 fi 1235 1236 # ensure after switching to rcs that the 1237 # current backup is not lost 1238 if [ -f $_cur ]; then 1239 # no archive, or current newer than archive 1240 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1241 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1242 rcs -q -kb -U $_cur 1243 co -q -f -u $_cur 1244 fi 1245 fi 1246 1247 case $_action in 1248 add|update) 1249 cp -p $_file $_cur 1250 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1251 rcs -q -kb -U $_cur 1252 co -q -f -u $_cur 1253 chown root:wheel $_cur $_cur,v 1254 ;; 1255 remove) 1256 cp /dev/null $_cur 1257 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1258 rcs -q -kb -U $_cur 1259 chown root:wheel $_cur $_cur,v 1260 rm $_cur 1261 ;; 1262 esac 1263 else 1264 case $_action in 1265 add|update) 1266 if [ -f $_cur ]; then 1267 cp -p $_cur $_back 1268 fi 1269 cp -p $_file $_cur 1270 chown root:wheel $_cur 1271 ;; 1272 remove) 1273 mv -f $_cur $_back 1274 ;; 1275 esac 1276 fi 1277} 1278 1279# make_symlink src link 1280# Make a symbolic link 'link' to src from basedir. If the 1281# directory in which link is to be created does not exist 1282# a warning will be displayed and an error will be returned. 1283# Returns 0 on sucess, 1 otherwise. 1284# 1285make_symlink() 1286{ 1287 local src link linkdir _me 1288 src="$1" 1289 link="$2" 1290 linkdir="`dirname $link`" 1291 _me="make_symlink()" 1292 1293 if [ -z "$src" -o -z "$link" ]; then 1294 warn "$_me: requires two arguments." 1295 return 1 1296 fi 1297 if [ ! -d "$linkdir" ]; then 1298 warn "$_me: the directory $linkdir does not exist." 1299 return 1 1300 fi 1301 if ! ln -sf $src $link; then 1302 warn "$_me: unable to make a symbolic link from $link to $src" 1303 return 1 1304 fi 1305 return 0 1306} 1307 1308# devfs_rulesets_from_file file 1309# Reads a set of devfs commands from file, and creates 1310# the specified rulesets with their rules. Returns non-zero 1311# if there was an error. 1312# 1313devfs_rulesets_from_file() 1314{ 1315 local file _err _me 1316 file="$1" 1317 _me="devfs_rulesets_from_file" 1318 _err=0 1319 1320 if [ -z "$file" ]; then 1321 warn "$_me: you must specify a file" 1322 return 1 1323 fi 1324 if [ ! -e "$file" ]; then 1325 debug "$_me: no such file ($file)" 1326 return 0 1327 fi 1328 debug "reading rulesets from file ($file)" 1329 { while read line 1330 do 1331 case $line in 1332 \#*) 1333 continue 1334 ;; 1335 \[*\]*) 1336 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1337 if [ -z "$rulenum" ]; then 1338 warn "$_me: cannot extract rule number ($line)" 1339 _err=1 1340 break 1341 fi 1342 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1343 if [ -z "$rulename" ]; then 1344 warn "$_me: cannot extract rule name ($line)" 1345 _err=1 1346 break; 1347 fi 1348 eval $rulename=\$rulenum 1349 debug "found ruleset: $rulename=$rulenum" 1350 if ! /sbin/devfs rule -s $rulenum delset; then 1351 _err=1 1352 break 1353 fi 1354 ;; 1355 *) 1356 rulecmd="${line%%"\#*"}" 1357 # evaluate the command incase it includes 1358 # other rules 1359 if [ -n "$rulecmd" ]; then 1360 debug "adding rule ($rulecmd)" 1361 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1362 then 1363 _err=1 1364 break 1365 fi 1366 fi 1367 ;; 1368 esac 1369 if [ $_err -ne 0 ]; then 1370 debug "error in $_me" 1371 break 1372 fi 1373 done } < $file 1374 return $_err 1375} 1376 1377# devfs_init_rulesets 1378# Initializes rulesets from configuration files. Returns 1379# non-zero if there was an error. 1380# 1381devfs_init_rulesets() 1382{ 1383 local file _me 1384 _me="devfs_init_rulesets" 1385 1386 # Go through this only once 1387 if [ -n "$devfs_rulesets_init" ]; then 1388 debug "$_me: devfs rulesets already initialized" 1389 return 1390 fi 1391 for file in $devfs_rulesets; do 1392 if ! devfs_rulesets_from_file $file; then 1393 warn "$_me: could not read rules from $file" 1394 return 1 1395 fi 1396 done 1397 devfs_rulesets_init=1 1398 debug "$_me: devfs rulesets initialized" 1399 return 0 1400} 1401 1402# devfs_set_ruleset ruleset [dir] 1403# Sets the default ruleset of dir to ruleset. The ruleset argument 1404# must be a ruleset name as specified in devfs.rules(5) file. 1405# Returns non-zero if it could not set it successfully. 1406# 1407devfs_set_ruleset() 1408{ 1409 local devdir rs _me 1410 [ -n "$1" ] && eval rs=\$$1 || rs= 1411 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1412 _me="devfs_set_ruleset" 1413 1414 if [ -z "$rs" ]; then 1415 warn "$_me: you must specify a ruleset number" 1416 return 1 1417 fi 1418 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1419 if ! /sbin/devfs $devdir ruleset $rs; then 1420 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1421 return 1 1422 fi 1423 return 0 1424} 1425 1426# devfs_apply_ruleset ruleset [dir] 1427# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1428# The ruleset argument must be a ruleset name as specified 1429# in a devfs.rules(5) file. Returns 0 on success or non-zero 1430# if it could not apply the ruleset. 1431# 1432devfs_apply_ruleset() 1433{ 1434 local devdir rs _me 1435 [ -n "$1" ] && eval rs=\$$1 || rs= 1436 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1437 _me="devfs_apply_ruleset" 1438 1439 if [ -z "$rs" ]; then 1440 warn "$_me: you must specify a ruleset" 1441 return 1 1442 fi 1443 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1444 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1445 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1446 return 1 1447 fi 1448 return 0 1449} 1450 1451# devfs_domount dir [ruleset] 1452# Mount devfs on dir. If ruleset is specified it is set 1453# on the mount-point. It must also be a ruleset name as specified 1454# in a devfs.rules(5) file. Returns 0 on success. 1455# 1456devfs_domount() 1457{ 1458 local devdir rs _me 1459 devdir="$1" 1460 [ -n "$2" ] && rs=$2 || rs= 1461 _me="devfs_domount()" 1462 1463 if [ -z "$devdir" ]; then 1464 warn "$_me: you must specify a mount-point" 1465 return 1 1466 fi 1467 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1468 if ! mount -t devfs dev "$devdir"; then 1469 warn "$_me: Unable to mount devfs on $devdir" 1470 return 1 1471 fi 1472 if [ -n "$rs" ]; then 1473 devfs_init_rulesets 1474 devfs_set_ruleset $rs $devdir 1475 devfs -m $devdir rule applyset 1476 fi 1477 return 0 1478} 1479 1480# devfs_mount_jail dir [ruleset] 1481# Mounts a devfs file system appropriate for jails 1482# on the directory dir. If ruleset is specified, the ruleset 1483# it names will be used instead. If present, ruleset must 1484# be the name of a ruleset as defined in a devfs.rules(5) file. 1485# This function returns non-zero if an error occurs. 1486# 1487devfs_mount_jail() 1488{ 1489 local jdev rs _me 1490 jdev="$1" 1491 [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1492 _me="devfs_mount_jail" 1493 1494 devfs_init_rulesets 1495 if ! devfs_domount "$jdev" $rs; then 1496 warn "$_me: devfs was not mounted on $jdev" 1497 return 1 1498 fi 1499 return 0 1500} 1501 1502# Provide a function for normalizing the mounting of memory 1503# filesystems. This should allow the rest of the code here to remain 1504# as close as possible between 5-current and 4-stable. 1505# $1 = size 1506# $2 = mount point 1507# $3 = (optional) extra mdmfs flags 1508mount_md() 1509{ 1510 if [ -n "$3" ]; then 1511 flags="$3" 1512 fi 1513 /sbin/mdmfs $flags -s $1 md $2 1514} 1515 1516# Code common to scripts that need to load a kernel module 1517# if it isn't in the kernel yet. Syntax: 1518# load_kld [-e regex] [-m module] file 1519# where -e or -m chooses the way to check if the module 1520# is already loaded: 1521# regex is egrep'd in the output from `kldstat -v', 1522# module is passed to `kldstat -m'. 1523# The default way is as though `-m file' were specified. 1524load_kld() 1525{ 1526 local _loaded _mod _opt _re 1527 1528 while getopts "e:m:" _opt; do 1529 case "$_opt" in 1530 e) _re="$OPTARG" ;; 1531 m) _mod="$OPTARG" ;; 1532 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1533 esac 1534 done 1535 shift $(($OPTIND - 1)) 1536 if [ $# -ne 1 ]; then 1537 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1538 fi 1539 _mod=${_mod:-$1} 1540 _loaded=false 1541 if [ -n "$_re" ]; then 1542 if kldstat -v | egrep -q -e "$_re"; then 1543 _loaded=true 1544 fi 1545 else 1546 if kldstat -q -m "$_mod"; then 1547 _loaded=true 1548 fi 1549 fi 1550 if ! $_loaded; then 1551 if ! kldload "$1"; then 1552 warn "Unable to load kernel module $1" 1553 return 1 1554 else 1555 info "$1 kernel module loaded." 1556 fi 1557 else 1558 debug "load_kld: $1 kernel module already loaded." 1559 fi 1560 return 0 1561} 1562 1563# ltr str src dst 1564# Change every $src in $str to $dst. 1565# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1566# awk(1). 1567ltr() 1568{ 1569 local _str _src _dst _out _com 1570 _str=$1 1571 _src=$2 1572 _dst=$3 1573 _out="" 1574 1575 IFS=${_src} 1576 for _com in ${_str}; do 1577 if [ -z "${_out}" ]; then 1578 _out="${_com}" 1579 else 1580 _out="${_out}${_dst}${_com}" 1581 fi 1582 done 1583 echo "${_out}" 1584} 1585 1586# Creates a list of providers for GELI encryption. 1587geli_make_list() 1588{ 1589 local devices devices2 1590 local provider mountpoint type options rest 1591 1592 # Create list of GELI providers from fstab. 1593 while read provider mountpoint type options rest ; do 1594 case ":${options}" in 1595 :*noauto*) 1596 noauto=yes 1597 ;; 1598 *) 1599 noauto=no 1600 ;; 1601 esac 1602 1603 case ":${provider}" in 1604 :#*) 1605 continue 1606 ;; 1607 *.eli) 1608 # Skip swap devices. 1609 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1610 continue 1611 fi 1612 devices="${devices} ${provider}" 1613 ;; 1614 esac 1615 done < /etc/fstab 1616 1617 # Append providers from geli_devices. 1618 devices="${devices} ${geli_devices}" 1619 1620 for provider in ${devices}; do 1621 provider=${provider%.eli} 1622 provider=${provider#/dev/} 1623 devices2="${devices2} ${provider}" 1624 done 1625 1626 echo ${devices2} 1627} 1628 1629# Find scripts in local_startup directories that use the old syntax 1630# 1631find_local_scripts_old () { 1632 zlist='' 1633 slist='' 1634 for dir in ${local_startup}; do 1635 if [ -d "${dir}" ]; then 1636 for file in ${dir}/[0-9]*.sh; do 1637 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1638 continue 1639 zlist="$zlist $file" 1640 done 1641 for file in ${dir}/[^0-9]*.sh; do 1642 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1643 continue 1644 slist="$slist $file" 1645 done 1646 fi 1647 done 1648} 1649 1650find_local_scripts_new () { 1651 local_rc='' 1652 for dir in ${local_startup}; do 1653 if [ -d "${dir}" ]; then 1654 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1655 case "$file" in 1656 *.sample) ;; 1657 *) if [ -x "$file" ]; then 1658 local_rc="${local_rc} ${file}" 1659 fi 1660 ;; 1661 esac 1662 done 1663 fi 1664 done 1665} 1666 1667# check_required_{before|after} command 1668# Check for things required by the command before and after its precmd, 1669# respectively. The two separate functions are needed because some 1670# conditions should prevent precmd from being run while other things 1671# depend on precmd having already been run. 1672# 1673check_required_before() 1674{ 1675 local _f 1676 1677 case "$1" in 1678 start) 1679 for _f in $required_vars; do 1680 if ! checkyesno $_f; then 1681 warn "\$${_f} is not enabled." 1682 if [ -z "$rc_force" ]; then 1683 return 1 1684 fi 1685 fi 1686 done 1687 1688 for _f in $required_dirs; do 1689 if [ ! -d "${_f}/." ]; then 1690 warn "${_f} is not a directory." 1691 if [ -z "$rc_force" ]; then 1692 return 1 1693 fi 1694 fi 1695 done 1696 1697 for _f in $required_files; do 1698 if [ ! -r "${_f}" ]; then 1699 warn "${_f} is not readable." 1700 if [ -z "$rc_force" ]; then 1701 return 1 1702 fi 1703 fi 1704 done 1705 ;; 1706 esac 1707 1708 return 0 1709} 1710 1711check_required_after() 1712{ 1713 local _f _args 1714 1715 case "$1" in 1716 start) 1717 for _f in $required_modules; do 1718 case "${_f}" in 1719 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1720 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1721 *) _args="${_f}" ;; 1722 esac 1723 if ! load_kld ${_args}; then 1724 if [ -z "$rc_force" ]; then 1725 return 1 1726 fi 1727 fi 1728 done 1729 ;; 1730 esac 1731 1732 return 0 1733} 1734 1735fi 1736 1737# check_kern_features mib 1738# Return existence of kern.features.* sysctl MIB as true or 1739# false. The result will be cached in $_rc_cache_kern_features_ 1740# namespace. "0" means the kern.features.X exists. 1741 1742check_kern_features() 1743{ 1744 local _v 1745 1746 [ -n "$1" ] || return 1; 1747 _v=`eval echo "\\$_rc_cache_kern_features_$1"` 1748 [ -n "$_v" ] && return "$_v"; 1749 1750 if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then 1751 eval _rc_cache_kern_features_$1=0 1752 return 0 1753 else 1754 eval _rc_cache_kern_features_$1=1 1755 return 1 1756 fi 1757} 1758 1759# _echoonce var msg mode 1760# mode=0: Echo $msg if ${$var} is empty. 1761# After doing echo, a string is set to ${$var}. 1762# 1763# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1764# 1765_echoonce() 1766{ 1767 local _var _msg _mode 1768 eval _var=\$$1 1769 _msg=$2 1770 _mode=$3 1771 1772 case $_mode in 1773 1) [ -n "$_var" ] && echo "$_msg" ;; 1774 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1775 esac 1776} 1777 1778_rc_subr_loaded=: 1779