rc.subr revision 220963
1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD: head/etc/rc.subr 220963 2011-04-23 05:24:17Z 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 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 $$" 3 1024 trap "echo Script $_file interrupted; exit 1" 2 1025 trap "echo Script $_file running" 29 1026 set $_arg; . $_file ) 1027 fi 1028 fi 1029 ;; 1030 esac 1031} 1032 1033# 1034# load_rc_config name 1035# Source in the configuration file for a given name. 1036# 1037load_rc_config() 1038{ 1039 local _name _var _defval _v _msg _new 1040 _name=$1 1041 if [ -z "$_name" ]; then 1042 err 3 'USAGE: load_rc_config name' 1043 fi 1044 1045 if ${_rc_conf_loaded:-false}; then 1046 : 1047 else 1048 if [ -r /etc/defaults/rc.conf ]; then 1049 debug "Sourcing /etc/defaults/rc.conf" 1050 . /etc/defaults/rc.conf 1051 source_rc_confs 1052 elif [ -r /etc/rc.conf ]; then 1053 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1054 . /etc/rc.conf 1055 fi 1056 _rc_conf_loaded=true 1057 fi 1058 if [ -f /etc/rc.conf.d/"$_name" ]; then 1059 debug "Sourcing /etc/rc.conf.d/${_name}" 1060 . /etc/rc.conf.d/"$_name" 1061 fi 1062 1063 # Old variable name support -- Remove before 9.0-RELEASE 1064 # 1065 [ -n "$enable_quotas" ] && err 1 "enable_quotas is deprecated, use quota_enable" 1066 1067 # Set defaults if defined. 1068 for _var in $rcvar $rcvars; do 1069 _defval=`eval echo "\\\$${_var}_defval"` 1070 if [ -n "$_defval" ]; then 1071 eval : \${$_var:=\$${_var}_defval} 1072 fi 1073 done 1074 1075 # check obsolete rc.conf variables 1076 for _var in $rcvars_obsolete; do 1077 _v=`eval echo \\$$_var` 1078 _msg=`eval echo \\$${_var}_obsolete_msg` 1079 _new=`eval echo \\$${_var}_newvar` 1080 case $_v in 1081 "") 1082 ;; 1083 *) 1084 if [ -z "$_new" ]; then 1085 _msg="Ignored." 1086 else 1087 eval $_new=\"\$$_var\" 1088 if [ -z "$_msg" ]; then 1089 _msg="Use \$$_new instead." 1090 fi 1091 fi 1092 warn "\$$_var is obsolete. $_msg" 1093 ;; 1094 esac 1095 done 1096} 1097 1098# 1099# load_rc_config_var name var 1100# Read the rc.conf(5) var for name and set in the 1101# current shell, using load_rc_config in a subshell to prevent 1102# unwanted side effects from other variable assignments. 1103# 1104load_rc_config_var() 1105{ 1106 if [ $# -ne 2 ]; then 1107 err 3 'USAGE: load_rc_config_var name var' 1108 fi 1109 eval $(eval '( 1110 load_rc_config '$1' >/dev/null; 1111 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1112 echo '$2'=\'\''${'$2'}\'\''; 1113 fi 1114 )' ) 1115} 1116 1117# 1118# rc_usage commands 1119# Print a usage string for $0, with `commands' being a list of 1120# valid commands. 1121# 1122rc_usage() 1123{ 1124 echo -n 1>&2 "Usage: $0 [fast|force|one](" 1125 1126 _sep= 1127 for _elem; do 1128 echo -n 1>&2 "$_sep$_elem" 1129 _sep="|" 1130 done 1131 echo 1>&2 ")" 1132 exit 1 1133} 1134 1135# 1136# err exitval message 1137# Display message to stderr and log to the syslog, and exit with exitval. 1138# 1139err() 1140{ 1141 exitval=$1 1142 shift 1143 1144 if [ -x /usr/bin/logger ]; then 1145 logger "$0: ERROR: $*" 1146 fi 1147 echo 1>&2 "$0: ERROR: $*" 1148 exit $exitval 1149} 1150 1151# 1152# warn message 1153# Display message to stderr and log to the syslog. 1154# 1155warn() 1156{ 1157 if [ -x /usr/bin/logger ]; then 1158 logger "$0: WARNING: $*" 1159 fi 1160 echo 1>&2 "$0: WARNING: $*" 1161} 1162 1163# 1164# info message 1165# Display informational message to stdout and log to syslog. 1166# 1167info() 1168{ 1169 case ${rc_info} in 1170 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1171 if [ -x /usr/bin/logger ]; then 1172 logger "$0: INFO: $*" 1173 fi 1174 echo "$0: INFO: $*" 1175 ;; 1176 esac 1177} 1178 1179# 1180# debug message 1181# If debugging is enabled in rc.conf output message to stderr. 1182# BEWARE that you don't call any subroutine that itself calls this 1183# function. 1184# 1185debug() 1186{ 1187 case ${rc_debug} in 1188 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1189 if [ -x /usr/bin/logger ]; then 1190 logger "$0: DEBUG: $*" 1191 fi 1192 echo 1>&2 "$0: DEBUG: $*" 1193 ;; 1194 esac 1195} 1196 1197# 1198# backup_file action file cur backup 1199# Make a backup copy of `file' into `cur', and save the previous 1200# version of `cur' as `backup' or use rcs for archiving. 1201# 1202# This routine checks the value of the backup_uses_rcs variable, 1203# which can be either YES or NO. 1204# 1205# The `action' keyword can be one of the following: 1206# 1207# add `file' is now being backed up (and is possibly 1208# being reentered into the backups system). `cur' 1209# is created and RCS files, if necessary, are 1210# created as well. 1211# 1212# update `file' has changed and needs to be backed up. 1213# If `cur' exists, it is copied to to `back' or 1214# checked into RCS (if the repository file is old), 1215# and then `file' is copied to `cur'. Another RCS 1216# check in done here if RCS is being used. 1217# 1218# remove `file' is no longer being tracked by the backups 1219# system. If RCS is not being used, `cur' is moved 1220# to `back', otherwise an empty file is checked in, 1221# and then `cur' is removed. 1222# 1223# 1224backup_file() 1225{ 1226 _action=$1 1227 _file=$2 1228 _cur=$3 1229 _back=$4 1230 1231 if checkyesno backup_uses_rcs; then 1232 _msg0="backup archive" 1233 _msg1="update" 1234 1235 # ensure that history file is not locked 1236 if [ -f $_cur,v ]; then 1237 rcs -q -u -U -M $_cur 1238 fi 1239 1240 # ensure after switching to rcs that the 1241 # current backup is not lost 1242 if [ -f $_cur ]; then 1243 # no archive, or current newer than archive 1244 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1245 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1246 rcs -q -kb -U $_cur 1247 co -q -f -u $_cur 1248 fi 1249 fi 1250 1251 case $_action in 1252 add|update) 1253 cp -p $_file $_cur 1254 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1255 rcs -q -kb -U $_cur 1256 co -q -f -u $_cur 1257 chown root:wheel $_cur $_cur,v 1258 ;; 1259 remove) 1260 cp /dev/null $_cur 1261 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1262 rcs -q -kb -U $_cur 1263 chown root:wheel $_cur $_cur,v 1264 rm $_cur 1265 ;; 1266 esac 1267 else 1268 case $_action in 1269 add|update) 1270 if [ -f $_cur ]; then 1271 cp -p $_cur $_back 1272 fi 1273 cp -p $_file $_cur 1274 chown root:wheel $_cur 1275 ;; 1276 remove) 1277 mv -f $_cur $_back 1278 ;; 1279 esac 1280 fi 1281} 1282 1283# make_symlink src link 1284# Make a symbolic link 'link' to src from basedir. If the 1285# directory in which link is to be created does not exist 1286# a warning will be displayed and an error will be returned. 1287# Returns 0 on sucess, 1 otherwise. 1288# 1289make_symlink() 1290{ 1291 local src link linkdir _me 1292 src="$1" 1293 link="$2" 1294 linkdir="`dirname $link`" 1295 _me="make_symlink()" 1296 1297 if [ -z "$src" -o -z "$link" ]; then 1298 warn "$_me: requires two arguments." 1299 return 1 1300 fi 1301 if [ ! -d "$linkdir" ]; then 1302 warn "$_me: the directory $linkdir does not exist." 1303 return 1 1304 fi 1305 if ! ln -sf $src $link; then 1306 warn "$_me: unable to make a symbolic link from $link to $src" 1307 return 1 1308 fi 1309 return 0 1310} 1311 1312# devfs_rulesets_from_file file 1313# Reads a set of devfs commands from file, and creates 1314# the specified rulesets with their rules. Returns non-zero 1315# if there was an error. 1316# 1317devfs_rulesets_from_file() 1318{ 1319 local file _err _me 1320 file="$1" 1321 _me="devfs_rulesets_from_file" 1322 _err=0 1323 1324 if [ -z "$file" ]; then 1325 warn "$_me: you must specify a file" 1326 return 1 1327 fi 1328 if [ ! -e "$file" ]; then 1329 debug "$_me: no such file ($file)" 1330 return 0 1331 fi 1332 debug "reading rulesets from file ($file)" 1333 { while read line 1334 do 1335 case $line in 1336 \#*) 1337 continue 1338 ;; 1339 \[*\]*) 1340 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1341 if [ -z "$rulenum" ]; then 1342 warn "$_me: cannot extract rule number ($line)" 1343 _err=1 1344 break 1345 fi 1346 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1347 if [ -z "$rulename" ]; then 1348 warn "$_me: cannot extract rule name ($line)" 1349 _err=1 1350 break; 1351 fi 1352 eval $rulename=\$rulenum 1353 debug "found ruleset: $rulename=$rulenum" 1354 if ! /sbin/devfs rule -s $rulenum delset; then 1355 _err=1 1356 break 1357 fi 1358 ;; 1359 *) 1360 rulecmd="${line%%"\#*"}" 1361 # evaluate the command incase it includes 1362 # other rules 1363 if [ -n "$rulecmd" ]; then 1364 debug "adding rule ($rulecmd)" 1365 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1366 then 1367 _err=1 1368 break 1369 fi 1370 fi 1371 ;; 1372 esac 1373 if [ $_err -ne 0 ]; then 1374 debug "error in $_me" 1375 break 1376 fi 1377 done } < $file 1378 return $_err 1379} 1380 1381# devfs_init_rulesets 1382# Initializes rulesets from configuration files. Returns 1383# non-zero if there was an error. 1384# 1385devfs_init_rulesets() 1386{ 1387 local file _me 1388 _me="devfs_init_rulesets" 1389 1390 # Go through this only once 1391 if [ -n "$devfs_rulesets_init" ]; then 1392 debug "$_me: devfs rulesets already initialized" 1393 return 1394 fi 1395 for file in $devfs_rulesets; do 1396 if ! devfs_rulesets_from_file $file; then 1397 warn "$_me: could not read rules from $file" 1398 return 1 1399 fi 1400 done 1401 devfs_rulesets_init=1 1402 debug "$_me: devfs rulesets initialized" 1403 return 0 1404} 1405 1406# devfs_set_ruleset ruleset [dir] 1407# Sets the default ruleset of dir to ruleset. The ruleset argument 1408# must be a ruleset name as specified in devfs.rules(5) file. 1409# Returns non-zero if it could not set it successfully. 1410# 1411devfs_set_ruleset() 1412{ 1413 local devdir rs _me 1414 [ -n "$1" ] && eval rs=\$$1 || rs= 1415 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1416 _me="devfs_set_ruleset" 1417 1418 if [ -z "$rs" ]; then 1419 warn "$_me: you must specify a ruleset number" 1420 return 1 1421 fi 1422 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1423 if ! /sbin/devfs $devdir ruleset $rs; then 1424 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1425 return 1 1426 fi 1427 return 0 1428} 1429 1430# devfs_apply_ruleset ruleset [dir] 1431# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1432# The ruleset argument must be a ruleset name as specified 1433# in a devfs.rules(5) file. Returns 0 on success or non-zero 1434# if it could not apply the ruleset. 1435# 1436devfs_apply_ruleset() 1437{ 1438 local devdir rs _me 1439 [ -n "$1" ] && eval rs=\$$1 || rs= 1440 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1441 _me="devfs_apply_ruleset" 1442 1443 if [ -z "$rs" ]; then 1444 warn "$_me: you must specify a ruleset" 1445 return 1 1446 fi 1447 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1448 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1449 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1450 return 1 1451 fi 1452 return 0 1453} 1454 1455# devfs_domount dir [ruleset] 1456# Mount devfs on dir. If ruleset is specified it is set 1457# on the mount-point. It must also be a ruleset name as specified 1458# in a devfs.rules(5) file. Returns 0 on success. 1459# 1460devfs_domount() 1461{ 1462 local devdir rs _me 1463 devdir="$1" 1464 [ -n "$2" ] && rs=$2 || rs= 1465 _me="devfs_domount()" 1466 1467 if [ -z "$devdir" ]; then 1468 warn "$_me: you must specify a mount-point" 1469 return 1 1470 fi 1471 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1472 if ! mount -t devfs dev "$devdir"; then 1473 warn "$_me: Unable to mount devfs on $devdir" 1474 return 1 1475 fi 1476 if [ -n "$rs" ]; then 1477 devfs_init_rulesets 1478 devfs_set_ruleset $rs $devdir 1479 devfs -m $devdir rule applyset 1480 fi 1481 return 0 1482} 1483 1484# devfs_mount_jail dir [ruleset] 1485# Mounts a devfs file system appropriate for jails 1486# on the directory dir. If ruleset is specified, the ruleset 1487# it names will be used instead. If present, ruleset must 1488# be the name of a ruleset as defined in a devfs.rules(5) file. 1489# This function returns non-zero if an error occurs. 1490# 1491devfs_mount_jail() 1492{ 1493 local jdev rs _me 1494 jdev="$1" 1495 [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1496 _me="devfs_mount_jail" 1497 1498 devfs_init_rulesets 1499 if ! devfs_domount "$jdev" $rs; then 1500 warn "$_me: devfs was not mounted on $jdev" 1501 return 1 1502 fi 1503 return 0 1504} 1505 1506# Provide a function for normalizing the mounting of memory 1507# filesystems. This should allow the rest of the code here to remain 1508# as close as possible between 5-current and 4-stable. 1509# $1 = size 1510# $2 = mount point 1511# $3 = (optional) extra mdmfs flags 1512mount_md() 1513{ 1514 if [ -n "$3" ]; then 1515 flags="$3" 1516 fi 1517 /sbin/mdmfs $flags -s $1 md $2 1518} 1519 1520# Code common to scripts that need to load a kernel module 1521# if it isn't in the kernel yet. Syntax: 1522# load_kld [-e regex] [-m module] file 1523# where -e or -m chooses the way to check if the module 1524# is already loaded: 1525# regex is egrep'd in the output from `kldstat -v', 1526# module is passed to `kldstat -m'. 1527# The default way is as though `-m file' were specified. 1528load_kld() 1529{ 1530 local _loaded _mod _opt _re 1531 1532 while getopts "e:m:" _opt; do 1533 case "$_opt" in 1534 e) _re="$OPTARG" ;; 1535 m) _mod="$OPTARG" ;; 1536 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1537 esac 1538 done 1539 shift $(($OPTIND - 1)) 1540 if [ $# -ne 1 ]; then 1541 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1542 fi 1543 _mod=${_mod:-$1} 1544 _loaded=false 1545 if [ -n "$_re" ]; then 1546 if kldstat -v | egrep -q -e "$_re"; then 1547 _loaded=true 1548 fi 1549 else 1550 if kldstat -q -m "$_mod"; then 1551 _loaded=true 1552 fi 1553 fi 1554 if ! $_loaded; then 1555 if ! kldload "$1"; then 1556 warn "Unable to load kernel module $1" 1557 return 1 1558 else 1559 info "$1 kernel module loaded." 1560 fi 1561 else 1562 debug "load_kld: $1 kernel module already loaded." 1563 fi 1564 return 0 1565} 1566 1567# ltr str src dst 1568# Change every $src in $str to $dst. 1569# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1570# awk(1). 1571ltr() 1572{ 1573 local _str _src _dst _out _com 1574 _str=$1 1575 _src=$2 1576 _dst=$3 1577 _out="" 1578 1579 IFS=${_src} 1580 for _com in ${_str}; do 1581 if [ -z "${_out}" ]; then 1582 _out="${_com}" 1583 else 1584 _out="${_out}${_dst}${_com}" 1585 fi 1586 done 1587 echo "${_out}" 1588} 1589 1590# Creates a list of providers for GELI encryption. 1591geli_make_list() 1592{ 1593 local devices devices2 1594 local provider mountpoint type options rest 1595 1596 # Create list of GELI providers from fstab. 1597 while read provider mountpoint type options rest ; do 1598 case ":${options}" in 1599 :*noauto*) 1600 noauto=yes 1601 ;; 1602 *) 1603 noauto=no 1604 ;; 1605 esac 1606 1607 case ":${provider}" in 1608 :#*) 1609 continue 1610 ;; 1611 *.eli) 1612 # Skip swap devices. 1613 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1614 continue 1615 fi 1616 devices="${devices} ${provider}" 1617 ;; 1618 esac 1619 done < /etc/fstab 1620 1621 # Append providers from geli_devices. 1622 devices="${devices} ${geli_devices}" 1623 1624 for provider in ${devices}; do 1625 provider=${provider%.eli} 1626 provider=${provider#/dev/} 1627 devices2="${devices2} ${provider}" 1628 done 1629 1630 echo ${devices2} 1631} 1632 1633# Find scripts in local_startup directories that use the old syntax 1634# 1635find_local_scripts_old () { 1636 zlist='' 1637 slist='' 1638 for dir in ${local_startup}; do 1639 if [ -d "${dir}" ]; then 1640 for file in ${dir}/[0-9]*.sh; do 1641 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1642 continue 1643 zlist="$zlist $file" 1644 done 1645 for file in ${dir}/[^0-9]*.sh; do 1646 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1647 continue 1648 slist="$slist $file" 1649 done 1650 fi 1651 done 1652} 1653 1654find_local_scripts_new () { 1655 local_rc='' 1656 for dir in ${local_startup}; do 1657 if [ -d "${dir}" ]; then 1658 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1659 case "$file" in 1660 *.sample) ;; 1661 *) if [ -x "$file" ]; then 1662 local_rc="${local_rc} ${file}" 1663 fi 1664 ;; 1665 esac 1666 done 1667 fi 1668 done 1669} 1670 1671# check_required_{before|after} command 1672# Check for things required by the command before and after its precmd, 1673# respectively. The two separate functions are needed because some 1674# conditions should prevent precmd from being run while other things 1675# depend on precmd having already been run. 1676# 1677check_required_before() 1678{ 1679 local _f 1680 1681 case "$1" in 1682 start) 1683 for _f in $required_vars; do 1684 if ! checkyesno $_f; then 1685 warn "\$${_f} is not enabled." 1686 if [ -z "$rc_force" ]; then 1687 return 1 1688 fi 1689 fi 1690 done 1691 1692 for _f in $required_dirs; do 1693 if [ ! -d "${_f}/." ]; then 1694 warn "${_f} is not a directory." 1695 if [ -z "$rc_force" ]; then 1696 return 1 1697 fi 1698 fi 1699 done 1700 1701 for _f in $required_files; do 1702 if [ ! -r "${_f}" ]; then 1703 warn "${_f} is not readable." 1704 if [ -z "$rc_force" ]; then 1705 return 1 1706 fi 1707 fi 1708 done 1709 ;; 1710 esac 1711 1712 return 0 1713} 1714 1715check_required_after() 1716{ 1717 local _f _args 1718 1719 case "$1" in 1720 start) 1721 for _f in $required_modules; do 1722 case "${_f}" in 1723 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1724 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1725 *) _args="${_f}" ;; 1726 esac 1727 if ! load_kld ${_args}; then 1728 if [ -z "$rc_force" ]; then 1729 return 1 1730 fi 1731 fi 1732 done 1733 ;; 1734 esac 1735 1736 return 0 1737} 1738 1739fi 1740 1741# _echoonce var msg mode 1742# mode=0: Echo $msg if ${$var} is empty. 1743# After doing echo, a string is set to ${$var}. 1744# 1745# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1746# 1747_echoonce() 1748{ 1749 local _var _msg _mode 1750 _var=`eval echo \\$$1` 1751 _msg=$2 1752 _mode=$3 1753 1754 case $_mode in 1755 1) [ -n "$_var" ] && echo "$_msg" ;; 1756 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1757 esac 1758} 1759 1760_rc_subr_loaded=: 1761