rc.subr revision 220962
1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD: head/etc/rc.subr 220962 2011-04-23 04:26:31Z dougb $ 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 local string file line 403 404 string="$1" ; file="$2" 405 406 if [ -z "$string" -o -z "$file" ] || [ ! -s "$file" ]; then 407 err 3 'USAGE: get_pidfile_from_conf string file' 408 fi 409 410 while read line; do 411 case "$line" in 412 *[#\;]*${string}*) continue ;; 413 *${string}*) break ;; 414 esac 415 done < $file 416 417 if [ -n "$line" ]; then 418 line=${line#*/} 419 _pidfile_from_conf="/${line%%[\"\;]*}" 420 else 421 return 1 422 fi 423} 424 425# 426# check_startmsgs 427# If rc_quiet is set (usually as a result of using faststart at 428# boot time) check if rc_startmsgs is enabled. 429# 430check_startmsgs() 431{ 432 if [ -n "$rc_quiet" ]; then 433 checkyesno rc_startmsgs 434 else 435 return 0 436 fi 437} 438 439# 440# run_rc_command argument 441# Search for argument in the list of supported commands, which is: 442# "start stop restart rcvar status poll ${extra_commands}" 443# If there's a match, run ${argument}_cmd or the default method 444# (see below). 445# 446# If argument has a given prefix, then change the operation as follows: 447# Prefix Operation 448# ------ --------- 449# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 450# force Set ${rcvar} to YES, and set rc_force=yes 451# one Set ${rcvar} to YES 452# quiet Don't output some diagnostics, and set rc_quiet=yes 453# 454# The following globals are used: 455# 456# Name Needed Purpose 457# ---- ------ ------- 458# name y Name of script. 459# 460# command n Full path to command. 461# Not needed if ${rc_arg}_cmd is set for 462# each keyword. 463# 464# command_args n Optional args/shell directives for command. 465# 466# command_interpreter n If not empty, command is interpreted, so 467# call check_{pidfile,process}() appropriately. 468# 469# desc n Description of script. 470# 471# extra_commands n List of extra commands supported. 472# 473# pidfile n If set, use check_pidfile $pidfile $command, 474# otherwise use check_process $command. 475# In either case, only check if $command is set. 476# 477# procname n Process name to check for instead of $command. 478# 479# rcvar n This is checked with checkyesno to determine 480# if the action should be run. 481# 482# ${name}_program n Full path to command. 483# Meant to be used in /etc/rc.conf to override 484# ${command}. 485# 486# ${name}_chroot n Directory to chroot to before running ${command} 487# Requires /usr to be mounted. 488# 489# ${name}_chdir n Directory to cd to before running ${command} 490# (if not using ${name}_chroot). 491# 492# ${name}_flags n Arguments to call ${command} with. 493# NOTE: $flags from the parent environment 494# can be used to override this. 495# 496# ${name}_nice n Nice level to run ${command} at. 497# 498# ${name}_user n User to run ${command} as, using su(1) if not 499# using ${name}_chroot. 500# Requires /usr to be mounted. 501# 502# ${name}_group n Group to run chrooted ${command} as. 503# Requires /usr to be mounted. 504# 505# ${name}_groups n Comma separated list of supplementary groups 506# to run the chrooted ${command} with. 507# Requires /usr to be mounted. 508# 509# ${rc_arg}_cmd n If set, use this as the method when invoked; 510# Otherwise, use default command (see below) 511# 512# ${rc_arg}_precmd n If set, run just before performing the 513# ${rc_arg}_cmd method in the default 514# operation (i.e, after checking for required 515# bits and process (non)existence). 516# If this completes with a non-zero exit code, 517# don't run ${rc_arg}_cmd. 518# 519# ${rc_arg}_postcmd n If set, run just after performing the 520# ${rc_arg}_cmd method, if that method 521# returned a zero exit code. 522# 523# required_dirs n If set, check for the existence of the given 524# directories before running a (re)start command. 525# 526# required_files n If set, check for the readability of the given 527# files before running a (re)start command. 528# 529# required_modules n If set, ensure the given kernel modules are 530# loaded before running a (re)start command. 531# The check and possible loads are actually 532# done after start_precmd so that the modules 533# aren't loaded in vain, should the precmd 534# return a non-zero status to indicate a error. 535# If a word in the list looks like "foo:bar", 536# "foo" is the KLD file name and "bar" is the 537# module name. If a word looks like "foo~bar", 538# "foo" is the KLD file name and "bar" is a 539# egrep(1) pattern matching the module name. 540# Otherwise the module name is assumed to be 541# the same as the KLD file name, which is most 542# common. See load_kld(). 543# 544# required_vars n If set, perform checkyesno on each of the 545# listed variables before running the default 546# (re)start command. 547# 548# Default behaviour for a given argument, if no override method is 549# provided: 550# 551# Argument Default behaviour 552# -------- ----------------- 553# start if !running && checkyesno ${rcvar} 554# ${command} 555# 556# stop if ${pidfile} 557# rc_pid=$(check_pidfile $pidfile $command) 558# else 559# rc_pid=$(check_process $command) 560# kill $sig_stop $rc_pid 561# wait_for_pids $rc_pid 562# ($sig_stop defaults to TERM.) 563# 564# reload Similar to stop, except use $sig_reload instead, 565# and doesn't wait_for_pids. 566# $sig_reload defaults to HUP. 567# Note that `reload' isn't provided by default, 568# it should be enabled via $extra_commands. 569# 570# restart Run `stop' then `start'. 571# 572# status Show if ${command} is running, etc. 573# 574# poll Wait for ${command} to exit. 575# 576# rcvar Display what rc.conf variable is used (if any). 577# 578# Variables available to methods, and after run_rc_command() has 579# completed: 580# 581# Variable Purpose 582# -------- ------- 583# rc_arg Argument to command, after fast/force/one processing 584# performed 585# 586# rc_flags Flags to start the default command with. 587# Defaults to ${name}_flags, unless overridden 588# by $flags from the environment. 589# This variable may be changed by the precmd method. 590# 591# rc_pid PID of command (if appropriate) 592# 593# rc_fast Not empty if "fast" was provided (q.v.) 594# 595# rc_force Not empty if "force" was provided (q.v.) 596# 597# rc_quiet Not empty if "quiet" was provided 598# 599# 600run_rc_command() 601{ 602 _return=0 603 rc_arg=$1 604 if [ -z "$name" ]; then 605 err 3 'run_rc_command: $name is not set.' 606 fi 607 608 # Don't repeat the first argument when passing additional command- 609 # line arguments to the command subroutines. 610 # 611 shift 1 612 rc_extra_args="$*" 613 614 _rc_prefix= 615 case "$rc_arg" in 616 fast*) # "fast" prefix; don't check pid 617 rc_arg=${rc_arg#fast} 618 rc_fast=yes 619 rc_quiet=yes 620 ;; 621 force*) # "force" prefix; always run 622 rc_force=yes 623 _rc_prefix=force 624 rc_arg=${rc_arg#${_rc_prefix}} 625 if [ -n "${rcvar}" ]; then 626 eval ${rcvar}=YES 627 fi 628 ;; 629 one*) # "one" prefix; set ${rcvar}=yes 630 _rc_prefix=one 631 rc_arg=${rc_arg#${_rc_prefix}} 632 if [ -n "${rcvar}" ]; then 633 eval ${rcvar}=YES 634 fi 635 ;; 636 quiet*) # "quiet" prefix; omit some messages 637 _rc_prefix=quiet 638 rc_arg=${rc_arg#${_rc_prefix}} 639 rc_quiet=yes 640 ;; 641 esac 642 643 eval _override_command=\$${name}_program 644 command=${_override_command:-$command} 645 646 _keywords="start stop restart rcvar $extra_commands" 647 rc_pid= 648 _pidcmd= 649 _procname=${procname:-${command}} 650 651 # setup pid check command 652 if [ -n "$_procname" ]; then 653 if [ -n "$pidfile" ]; then 654 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 655 else 656 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 657 fi 658 if [ -n "$_pidcmd" ]; then 659 _keywords="${_keywords} status poll" 660 fi 661 fi 662 663 if [ -z "$rc_arg" ]; then 664 rc_usage $_keywords 665 fi 666 667 if [ -n "$flags" ]; then # allow override from environment 668 rc_flags=$flags 669 else 670 eval rc_flags=\$${name}_flags 671 fi 672 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 673 _nice=\$${name}_nice _user=\$${name}_user \ 674 _group=\$${name}_group _groups=\$${name}_groups 675 676 if [ -n "$_user" ]; then # unset $_user if running as that user 677 if [ "$_user" = "$(eval $IDCMD)" ]; then 678 unset _user 679 fi 680 fi 681 682 eval $_pidcmd # determine the pid if necessary 683 684 for _elem in $_keywords; do 685 if [ "$_elem" != "$rc_arg" ]; then 686 continue 687 fi 688 # if ${rcvar} is set, $1 is not "rcvar" 689 # and ${rc_pid} is not set, then run 690 # checkyesno ${rcvar} 691 # and return if that failed 692 # 693 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 694 [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 695 if ! checkyesno ${rcvar}; then 696 if [ -n "${rc_quiet}" ]; then 697 return 0 698 fi 699 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 700 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 701 echo "instead of '${rc_arg}'." 702 return 0 703 fi 704 fi 705 706 # if there's a custom ${XXX_cmd}, 707 # run that instead of the default 708 # 709 eval _cmd=\$${rc_arg}_cmd \ 710 _precmd=\$${rc_arg}_precmd \ 711 _postcmd=\$${rc_arg}_postcmd 712 713 if [ -n "$_cmd" ]; then 714 _run_rc_precmd || return 1 715 _run_rc_doit "$_cmd $rc_extra_args" || return 1 716 _run_rc_postcmd 717 return $_return 718 fi 719 720 case "$rc_arg" in # default operations... 721 722 status) 723 _run_rc_precmd || return 1 724 if [ -n "$rc_pid" ]; then 725 echo "${name} is running as pid $rc_pid." 726 else 727 echo "${name} is not running." 728 return 1 729 fi 730 _run_rc_postcmd 731 ;; 732 733 start) 734 if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 735 echo 1>&2 "${name} already running? (pid=$rc_pid)." 736 return 1 737 fi 738 739 if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 740 warn "run_rc_command: cannot run $command" 741 return 1 742 fi 743 744 if ! _run_rc_precmd; then 745 warn "failed precmd routine for ${name}" 746 return 1 747 fi 748 749 # setup the full command to run 750 # 751 check_startmsgs && echo "Starting ${name}." 752 if [ -n "$_chroot" ]; then 753 _doit="\ 754${_nice:+nice -n $_nice }\ 755chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 756$_chroot $command $rc_flags $command_args" 757 else 758 _doit="\ 759${_chdir:+cd $_chdir && }\ 760$command $rc_flags $command_args" 761 if [ -n "$_user" ]; then 762 _doit="su -m $_user -c 'sh -c \"$_doit\"'" 763 fi 764 if [ -n "$_nice" ]; then 765 if [ -z "$_user" ]; then 766 _doit="sh -c \"$_doit\"" 767 fi 768 _doit="nice -n $_nice $_doit" 769 fi 770 fi 771 772 # run the full command 773 # 774 if ! _run_rc_doit "$_doit"; then 775 warn "failed to start ${name}" 776 return 1 777 fi 778 779 # finally, run postcmd 780 # 781 _run_rc_postcmd 782 ;; 783 784 stop) 785 if [ -z "$rc_pid" ]; then 786 [ -n "$rc_fast" ] && return 0 787 _run_rc_notrunning 788 return 1 789 fi 790 791 _run_rc_precmd || return 1 792 793 # send the signal to stop 794 # 795 echo "Stopping ${name}." 796 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 797 _run_rc_doit "$_doit" || return 1 798 799 # wait for the command to exit, 800 # and run postcmd. 801 wait_for_pids $rc_pid 802 803 _run_rc_postcmd 804 ;; 805 806 reload) 807 if [ -z "$rc_pid" ]; then 808 _run_rc_notrunning 809 return 1 810 fi 811 812 _run_rc_precmd || return 1 813 814 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 815 _run_rc_doit "$_doit" || return 1 816 817 _run_rc_postcmd 818 ;; 819 820 restart) 821 # prevent restart being called more 822 # than once by any given script 823 # 824 if ${_rc_restart_done:-false}; then 825 return 0 826 fi 827 _rc_restart_done=true 828 829 _run_rc_precmd || return 1 830 831 # run those in a subshell to keep global variables 832 ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 833 ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 834 _return=$? 835 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 836 837 _run_rc_postcmd 838 ;; 839 840 poll) 841 _run_rc_precmd || return 1 842 if [ -n "$rc_pid" ]; then 843 wait_for_pids $rc_pid 844 fi 845 _run_rc_postcmd 846 ;; 847 848 rcvar) 849 echo -n "# $name" 850 if [ -n "$desc" ]; then 851 echo " : $desc" 852 else 853 echo "" 854 fi 855 echo "#" 856 # Get unique vars in $rcvar $rcvars 857 for _v in $rcvar $rcvars; do 858 case $v in 859 $_v\ *|\ *$_v|*\ $_v\ *) ;; 860 *) v="${v# } $_v" ;; 861 esac 862 done 863 864 # Display variables. 865 for _v in $v; do 866 if [ -z "$_v" ]; then 867 continue 868 fi 869 870 eval _desc=\$${_v}_desc 871 eval _defval=\$${_v}_defval 872 _h="-" 873 874 eval echo \"$_v=\\\"\$$_v\\\"\" 875 # decode multiple lines of _desc 876 while [ -n "$_desc" ]; do 877 case $_desc in 878 *^^*) 879 echo "# $_h ${_desc%%^^*}" 880 _desc=${_desc#*^^} 881 _h=" " 882 ;; 883 *) 884 echo "# $_h ${_desc}" 885 break 886 ;; 887 esac 888 done 889 echo "# (default: \"$_defval\")" 890 done 891 echo "" 892 ;; 893 894 *) 895 rc_usage $_keywords 896 ;; 897 898 esac 899 return $_return 900 done 901 902 echo 1>&2 "$0: unknown directive '$rc_arg'." 903 rc_usage $_keywords 904 # not reached 905} 906 907# 908# Helper functions for run_rc_command: common code. 909# They use such global variables besides the exported rc_* ones: 910# 911# name R/W 912# ------------------ 913# _precmd R 914# _postcmd R 915# _return W 916# 917_run_rc_precmd() 918{ 919 check_required_before "$rc_arg" || return 1 920 921 if [ -n "$_precmd" ]; then 922 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 923 eval "$_precmd $rc_extra_args" 924 _return=$? 925 926 # If precmd failed and force isn't set, request exit. 927 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 928 return 1 929 fi 930 fi 931 932 check_required_after "$rc_arg" || return 1 933 934 return 0 935} 936 937_run_rc_postcmd() 938{ 939 if [ -n "$_postcmd" ]; then 940 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 941 eval "$_postcmd $rc_extra_args" 942 _return=$? 943 fi 944 return 0 945} 946 947_run_rc_doit() 948{ 949 debug "run_rc_command: doit: $*" 950 eval "$@" 951 _return=$? 952 953 # If command failed and force isn't set, request exit. 954 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 955 return 1 956 fi 957 958 return 0 959} 960 961_run_rc_notrunning() 962{ 963 local _pidmsg 964 965 if [ -n "$pidfile" ]; then 966 _pidmsg=" (check $pidfile)." 967 else 968 _pidmsg= 969 fi 970 echo 1>&2 "${name} not running?${_pidmsg}" 971} 972 973_run_rc_killcmd() 974{ 975 local _cmd 976 977 _cmd="kill -$1 $rc_pid" 978 if [ -n "$_user" ]; then 979 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 980 fi 981 echo "$_cmd" 982} 983 984# 985# run_rc_script file arg 986# Start the script `file' with `arg', and correctly handle the 987# return value from the script. 988# If `file' ends with `.sh', it's sourced into the current environment 989# when $rc_fast_and_loose is set, otherwise it is run as a child process. 990# If `file' appears to be a backup or scratch file, ignore it. 991# Otherwise if it is executable run as a child process. 992# 993run_rc_script() 994{ 995 _file=$1 996 _arg=$2 997 if [ -z "$_file" -o -z "$_arg" ]; then 998 err 3 'USAGE: run_rc_script file arg' 999 fi 1000 1001 unset name command command_args command_interpreter \ 1002 extra_commands pidfile procname \ 1003 rcvar rcvars rcvars_obsolete required_dirs required_files \ 1004 required_vars 1005 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 1006 1007 case "$_file" in 1008 /etc/rc.d/*.sh) # no longer allowed in the base 1009 warn "Ignoring old-style startup script $_file" 1010 ;; 1011 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 1012 warn "Ignoring scratch file $_file" 1013 ;; 1014 *) # run in subshell 1015 if [ -x $_file ]; then 1016 if [ -n "$rc_fast_and_loose" ]; then 1017 set $_arg; . $_file 1018 else 1019 ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 1020 trap "echo Script $_file interrupted; exit 1" 2 1021 trap "echo Script $_file running" 29 1022 set $_arg; . $_file ) 1023 fi 1024 fi 1025 ;; 1026 esac 1027} 1028 1029# 1030# load_rc_config name 1031# Source in the configuration file for a given name. 1032# 1033load_rc_config() 1034{ 1035 local _name _var _defval _v _msg _new 1036 _name=$1 1037 if [ -z "$_name" ]; then 1038 err 3 'USAGE: load_rc_config name' 1039 fi 1040 1041 if ${_rc_conf_loaded:-false}; then 1042 : 1043 else 1044 if [ -r /etc/defaults/rc.conf ]; then 1045 debug "Sourcing /etc/defaults/rc.conf" 1046 . /etc/defaults/rc.conf 1047 source_rc_confs 1048 elif [ -r /etc/rc.conf ]; then 1049 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1050 . /etc/rc.conf 1051 fi 1052 _rc_conf_loaded=true 1053 fi 1054 if [ -f /etc/rc.conf.d/"$_name" ]; then 1055 debug "Sourcing /etc/rc.conf.d/${_name}" 1056 . /etc/rc.conf.d/"$_name" 1057 fi 1058 1059 # Old variable name support -- Remove before 9.0-RELEASE 1060 # 1061 [ -n "$enable_quotas" ] && err 1 "enable_quotas is deprecated, use quota_enable" 1062 1063 # Set defaults if defined. 1064 for _var in $rcvar $rcvars; do 1065 _defval=`eval echo "\\\$${_var}_defval"` 1066 if [ -n "$_defval" ]; then 1067 eval : \${$_var:=\$${_var}_defval} 1068 fi 1069 done 1070 1071 # check obsolete rc.conf variables 1072 for _var in $rcvars_obsolete; do 1073 _v=`eval echo \\$$_var` 1074 _msg=`eval echo \\$${_var}_obsolete_msg` 1075 _new=`eval echo \\$${_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# _echoonce var msg mode 1738# mode=0: Echo $msg if ${$var} is empty. 1739# After doing echo, a string is set to ${$var}. 1740# 1741# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1742# 1743_echoonce() 1744{ 1745 local _var _msg _mode 1746 _var=`eval echo \\$$1` 1747 _msg=$2 1748 _mode=$3 1749 1750 case $_mode in 1751 1) [ -n "$_var" ] && echo "$_msg" ;; 1752 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1753 esac 1754} 1755 1756_rc_subr_loaded=: 1757