1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD$ 3# 4# Copyright (c) 1997-2004 The NetBSD Foundation, Inc. 5# All rights reserved. 6# 7# This code is derived from software contributed to The NetBSD Foundation 8# by Luke Mewburn. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 13# 1. Redistributions of source code must retain the above copyright 14# notice, this list of conditions and the following disclaimer. 15# 2. Redistributions in binary form must reproduce the above copyright 16# notice, this list of conditions and the following disclaimer in the 17# documentation and/or other materials provided with the distribution. 18# 19# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29# POSSIBILITY OF SUCH DAMAGE. 30# 31# rc.subr 32# functions used by various rc scripts 33# 34 35: ${RC_PID:=$$}; export RC_PID 36 37# 38# Operating System dependent/independent variables 39# 40 41if [ -z "${_rc_subr_loaded}" ]; then 42 43_rc_subr_loaded="YES" 44 45SYSCTL="/sbin/sysctl" 46SYSCTL_N="${SYSCTL} -n" 47SYSCTL_W="${SYSCTL}" 48ID="/usr/bin/id" 49IDCMD="if [ -x $ID ]; then $ID -un; fi" 50PS="/bin/ps -ww" 51JID=`$PS -p $$ -o jid=` 52 53# 54# functions 55# --------- 56 57# set_rcvar_obsolete oldvar [newvar] [msg] 58# Define obsolete variable. 59# Global variable $rcvars_obsolete is used. 60# 61set_rcvar_obsolete() 62{ 63 local _var 64 _var=$1 65 debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 66 67 rcvars_obsolete="${rcvars_obsolete# } $1" 68 eval ${1}_newvar=\"$2\" 69 shift 2 70 eval ${_var}_obsolete_msg=\"$*\" 71} 72 73# 74# force_depend script [rcvar] 75# Force a service to start. Intended for use by services 76# to resolve dependency issues. 77# $1 - filename of script, in /etc/rc.d, to run 78# $2 - name of the script's rcvar (minus the _enable) 79# 80force_depend() 81{ 82 local _depend _dep_rcvar 83 84 _depend="$1" 85 _dep_rcvar="${2:-$1}_enable" 86 87 [ -n "$rc_fast" ] && ! checkyesno always_force_depends && 88 checkyesno $_dep_rcvar && return 0 89 90 /etc/rc.d/${_depend} forcestatus >/dev/null 2>&1 && return 0 91 92 info "${name} depends on ${_depend}, which will be forced to start." 93 if ! /etc/rc.d/${_depend} forcestart; then 94 warn "Unable to force ${_depend}. It may already be running." 95 return 1 96 fi 97} 98 99# 100# checkyesno var 101# Test $1 variable, and warn if not set to YES or NO. 102# Return 0 if it's "yes" (et al), nonzero otherwise. 103# 104checkyesno() 105{ 106 eval _value=\$${1} 107 debug "checkyesno: $1 is set to $_value." 108 case $_value in 109 110 # "yes", "true", "on", or "1" 111 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 112 return 0 113 ;; 114 115 # "no", "false", "off", or "0" 116 [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 117 return 1 118 ;; 119 *) 120 warn "\$${1} is not set properly - see rc.conf(5)." 121 return 1 122 ;; 123 esac 124} 125 126# 127# reverse_list list 128# print the list in reverse order 129# 130reverse_list() 131{ 132 _revlist= 133 for _revfile; do 134 _revlist="$_revfile $_revlist" 135 done 136 echo $_revlist 137} 138 139# stop_boot always 140# If booting directly to multiuser or $always is enabled, 141# send SIGTERM to the parent (/etc/rc) to abort the boot. 142# Otherwise just exit. 143# 144stop_boot() 145{ 146 local always 147 148 case $1 in 149 # "yes", "true", "on", or "1" 150 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 151 always=true 152 ;; 153 *) 154 always=false 155 ;; 156 esac 157 if [ "$autoboot" = yes -o "$always" = true ]; then 158 echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 159 kill -TERM ${RC_PID} 160 fi 161 exit 1 162} 163 164# 165# mount_critical_filesystems type 166# Go through the list of critical filesystems as provided in 167# the rc.conf(5) variable $critical_filesystems_${type}, checking 168# each one to see if it is mounted, and if it is not, mounting it. 169# 170mount_critical_filesystems() 171{ 172 eval _fslist=\$critical_filesystems_${1} 173 for _fs in $_fslist; do 174 mount | ( 175 _ismounted=false 176 while read what _on on _type type; do 177 if [ $on = $_fs ]; then 178 _ismounted=true 179 fi 180 done 181 if $_ismounted; then 182 : 183 else 184 mount $_fs >/dev/null 2>&1 185 fi 186 ) 187 done 188} 189 190# 191# check_pidfile pidfile procname [interpreter] 192# Parses the first line of pidfile for a PID, and ensures 193# that the process is running and matches procname. 194# Prints the matching PID upon success, nothing otherwise. 195# interpreter is optional; see _find_processes() for details. 196# 197check_pidfile() 198{ 199 _pidfile=$1 200 _procname=$2 201 _interpreter=$3 202 if [ -z "$_pidfile" -o -z "$_procname" ]; then 203 err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 204 fi 205 if [ ! -f $_pidfile ]; then 206 debug "pid file ($_pidfile): not readable." 207 return 208 fi 209 read _pid _junk < $_pidfile 210 if [ -z "$_pid" ]; then 211 debug "pid file ($_pidfile): no pid in file." 212 return 213 fi 214 _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 215} 216 217# 218# check_process procname [interpreter] 219# Ensures that a process (or processes) named procname is running. 220# Prints a list of matching PIDs. 221# interpreter is optional; see _find_processes() for details. 222# 223check_process() 224{ 225 _procname=$1 226 _interpreter=$2 227 if [ -z "$_procname" ]; then 228 err 3 'USAGE: check_process procname [interpreter]' 229 fi 230 _find_processes $_procname ${_interpreter:-.} '-ax' 231} 232 233# 234# _find_processes procname interpreter psargs 235# Search for procname in the output of ps generated by psargs. 236# Prints the PIDs of any matching processes, space separated. 237# 238# If interpreter == ".", check the following variations of procname 239# against the first word of each command: 240# procname 241# `basename procname` 242# `basename procname` + ":" 243# "(" + `basename procname` + ")" 244# "[" + `basename procname` + "]" 245# 246# If interpreter != ".", read the first line of procname, remove the 247# leading #!, normalise whitespace, append procname, and attempt to 248# match that against each command, either as is, or with extra words 249# at the end. As an alternative, to deal with interpreted daemons 250# using perl, the basename of the interpreter plus a colon is also 251# tried as the prefix to procname. 252# 253_find_processes() 254{ 255 if [ $# -ne 3 ]; then 256 err 3 'USAGE: _find_processes procname interpreter psargs' 257 fi 258 _procname=$1 259 _interpreter=$2 260 _psargs=$3 261 262 _pref= 263 if [ $_interpreter != "." ]; then # an interpreted script 264 _script="${_chroot}${_chroot:+/}$_procname" 265 if [ -r "$_script" ]; then 266 read _interp < $_script # read interpreter name 267 case "$_interp" in 268 \#!*) 269 _interp=${_interp#\#!} # strip #! 270 set -- $_interp 271 case $1 in 272 */bin/env) 273 shift # drop env to get real name 274 ;; 275 esac 276 if [ $_interpreter != $1 ]; then 277 warn "\$command_interpreter $_interpreter != $1" 278 fi 279 ;; 280 *) 281 warn "no shebang line in $_script" 282 set -- $_interpreter 283 ;; 284 esac 285 else 286 warn "cannot read shebang line from $_script" 287 set -- $_interpreter 288 fi 289 _interp="$* $_procname" # cleanup spaces, add _procname 290 _interpbn=${1##*/} 291 _fp_args='_argv' 292 _fp_match='case "$_argv" in 293 ${_interp}|"${_interp} "*|"[${_interpbn}]"|"${_interpbn}: ${_procname}"*)' 294 else # a normal daemon 295 _procnamebn=${_procname##*/} 296 _fp_args='_arg0 _argv' 297 _fp_match='case "$_arg0" in 298 $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 299 fi 300 301 _proccheck="\ 302 $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 303 while read _npid _jid '"$_fp_args"'; do 304 '"$_fp_match"' 305 if [ "$JID" -eq "$_jid" ]; 306 then echo -n "$_pref$_npid"; 307 _pref=" "; 308 fi 309 ;; 310 esac 311 done' 312 313# debug "in _find_processes: proccheck is ($_proccheck)." 314 eval $_proccheck 315} 316 317# 318# wait_for_pids pid [pid ...] 319# spins until none of the pids exist 320# 321wait_for_pids() 322{ 323 local _list _prefix _nlist _j 324 325 _list="$@" 326 if [ -z "$_list" ]; then 327 return 328 fi 329 _prefix= 330 while true; do 331 _nlist=""; 332 for _j in $_list; do 333 if kill -0 $_j 2>/dev/null; then 334 _nlist="${_nlist}${_nlist:+ }$_j" 335 [ -n "$_prefix" ] && sleep 1 336 fi 337 done 338 if [ -z "$_nlist" ]; then 339 break 340 fi 341 _list=$_nlist 342 echo -n ${_prefix:-"Waiting for PIDS: "}$_list 343 _prefix=", " 344 pwait $_list 2>/dev/null 345 done 346 if [ -n "$_prefix" ]; then 347 echo "." 348 fi 349} 350 351# 352# get_pidfile_from_conf string file 353# 354# Takes a string to search for in the specified file. 355# Ignores lines with traditional comment characters. 356# 357# Example: 358# 359# if get_pidfile_from_conf string file; then 360# pidfile="$_pidfile_from_conf" 361# else 362# pidfile='appropriate default' 363# fi 364# 365get_pidfile_from_conf() 366{ 367 if [ -z "$1" -o -z "$2" ]; then 368 err 3 "USAGE: get_pidfile_from_conf string file ($name)" 369 fi 370 371 local string file line 372 373 string="$1" ; file="$2" 374 375 if [ ! -s "$file" ]; then 376 err 3 "get_pidfile_from_conf: $file does not exist ($name)" 377 fi 378 379 while read line; do 380 case "$line" in 381 *[#\;]*${string}*) continue ;; 382 *${string}*) break ;; 383 esac 384 done < $file 385 386 if [ -n "$line" ]; then 387 line=${line#*/} 388 _pidfile_from_conf="/${line%%[\"\;]*}" 389 else 390 return 1 391 fi 392} 393 394# 395# check_startmsgs 396# If rc_quiet is set (usually as a result of using faststart at 397# boot time) check if rc_startmsgs is enabled. 398# 399check_startmsgs() 400{ 401 if [ -n "$rc_quiet" ]; then 402 checkyesno rc_startmsgs 403 else 404 return 0 405 fi 406} 407 408# 409# run_rc_command argument 410# Search for argument in the list of supported commands, which is: 411# "start stop restart rcvar status poll ${extra_commands}" 412# If there's a match, run ${argument}_cmd or the default method 413# (see below). 414# 415# If argument has a given prefix, then change the operation as follows: 416# Prefix Operation 417# ------ --------- 418# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 419# force Set ${rcvar} to YES, and set rc_force=yes 420# one Set ${rcvar} to YES 421# quiet Don't output some diagnostics, and set rc_quiet=yes 422# 423# The following globals are used: 424# 425# Name Needed Purpose 426# ---- ------ ------- 427# name y Name of script. 428# 429# command n Full path to command. 430# Not needed if ${rc_arg}_cmd is set for 431# each keyword. 432# 433# command_args n Optional args/shell directives for command. 434# 435# command_interpreter n If not empty, command is interpreted, so 436# call check_{pidfile,process}() appropriately. 437# 438# desc n Description of script. 439# 440# extra_commands n List of extra commands supported. 441# 442# pidfile n If set, use check_pidfile $pidfile $command, 443# otherwise use check_process $command. 444# In either case, only check if $command is set. 445# 446# procname n Process name to check for instead of $command. 447# 448# rcvar n This is checked with checkyesno to determine 449# if the action should be run. 450# 451# ${name}_program n Full path to command. 452# Meant to be used in /etc/rc.conf to override 453# ${command}. 454# 455# ${name}_chroot n Directory to chroot to before running ${command} 456# Requires /usr to be mounted. 457# 458# ${name}_chdir n Directory to cd to before running ${command} 459# (if not using ${name}_chroot). 460# 461# ${name}_flags n Arguments to call ${command} with. 462# NOTE: $flags from the parent environment 463# can be used to override this. 464# 465# ${name}_fib n Routing table number to run ${command} with. 466# 467# ${name}_nice n Nice level to run ${command} at. 468# 469# ${name}_user n User to run ${command} as, using su(1) if not 470# using ${name}_chroot. 471# Requires /usr to be mounted. 472# 473# ${name}_group n Group to run chrooted ${command} as. 474# Requires /usr to be mounted. 475# 476# ${name}_groups n Comma separated list of supplementary groups 477# to run the chrooted ${command} with. 478# Requires /usr to be mounted. 479# 480# ${rc_arg}_cmd n If set, use this as the method when invoked; 481# Otherwise, use default command (see below) 482# 483# ${rc_arg}_precmd n If set, run just before performing the 484# ${rc_arg}_cmd method in the default 485# operation (i.e, after checking for required 486# bits and process (non)existence). 487# If this completes with a non-zero exit code, 488# don't run ${rc_arg}_cmd. 489# 490# ${rc_arg}_postcmd n If set, run just after performing the 491# ${rc_arg}_cmd method, if that method 492# returned a zero exit code. 493# 494# required_dirs n If set, check for the existence of the given 495# directories before running a (re)start command. 496# 497# required_files n If set, check for the readability of the given 498# files before running a (re)start command. 499# 500# required_modules n If set, ensure the given kernel modules are 501# loaded before running a (re)start command. 502# The check and possible loads are actually 503# done after start_precmd so that the modules 504# aren't loaded in vain, should the precmd 505# return a non-zero status to indicate a error. 506# If a word in the list looks like "foo:bar", 507# "foo" is the KLD file name and "bar" is the 508# module name. If a word looks like "foo~bar", 509# "foo" is the KLD file name and "bar" is a 510# egrep(1) pattern matching the module name. 511# Otherwise the module name is assumed to be 512# the same as the KLD file name, which is most 513# common. See load_kld(). 514# 515# required_vars n If set, perform checkyesno on each of the 516# listed variables before running the default 517# (re)start command. 518# 519# Default behaviour for a given argument, if no override method is 520# provided: 521# 522# Argument Default behaviour 523# -------- ----------------- 524# start if !running && checkyesno ${rcvar} 525# ${command} 526# 527# stop if ${pidfile} 528# rc_pid=$(check_pidfile $pidfile $command) 529# else 530# rc_pid=$(check_process $command) 531# kill $sig_stop $rc_pid 532# wait_for_pids $rc_pid 533# ($sig_stop defaults to TERM.) 534# 535# reload Similar to stop, except use $sig_reload instead, 536# and doesn't wait_for_pids. 537# $sig_reload defaults to HUP. 538# Note that `reload' isn't provided by default, 539# it should be enabled via $extra_commands. 540# 541# restart Run `stop' then `start'. 542# 543# status Show if ${command} is running, etc. 544# 545# poll Wait for ${command} to exit. 546# 547# rcvar Display what rc.conf variable is used (if any). 548# 549# enabled Return true if the service is enabled. 550# 551# Variables available to methods, and after run_rc_command() has 552# completed: 553# 554# Variable Purpose 555# -------- ------- 556# rc_arg Argument to command, after fast/force/one processing 557# performed 558# 559# rc_flags Flags to start the default command with. 560# Defaults to ${name}_flags, unless overridden 561# by $flags from the environment. 562# This variable may be changed by the precmd method. 563# 564# rc_pid PID of command (if appropriate) 565# 566# rc_fast Not empty if "fast" was provided (q.v.) 567# 568# rc_force Not empty if "force" was provided (q.v.) 569# 570# rc_quiet Not empty if "quiet" was provided 571# 572# 573run_rc_command() 574{ 575 _return=0 576 rc_arg=$1 577 if [ -z "$name" ]; then 578 err 3 'run_rc_command: $name is not set.' 579 fi 580 581 # Don't repeat the first argument when passing additional command- 582 # line arguments to the command subroutines. 583 # 584 shift 1 585 rc_extra_args="$*" 586 587 _rc_prefix= 588 case "$rc_arg" in 589 fast*) # "fast" prefix; don't check pid 590 rc_arg=${rc_arg#fast} 591 rc_fast=yes 592 rc_quiet=yes 593 ;; 594 force*) # "force" prefix; always run 595 rc_force=yes 596 _rc_prefix=force 597 rc_arg=${rc_arg#${_rc_prefix}} 598 if [ -n "${rcvar}" ]; then 599 eval ${rcvar}=YES 600 fi 601 ;; 602 one*) # "one" prefix; set ${rcvar}=yes 603 _rc_prefix=one 604 rc_arg=${rc_arg#${_rc_prefix}} 605 if [ -n "${rcvar}" ]; then 606 eval ${rcvar}=YES 607 fi 608 ;; 609 quiet*) # "quiet" prefix; omit some messages 610 _rc_prefix=quiet 611 rc_arg=${rc_arg#${_rc_prefix}} 612 rc_quiet=yes 613 ;; 614 esac 615 616 eval _override_command=\$${name}_program 617 command=${_override_command:-$command} 618 619 _keywords="start stop restart rcvar enabled $extra_commands" 620 rc_pid= 621 _pidcmd= 622 _procname=${procname:-${command}} 623 624 # setup pid check command 625 if [ -n "$_procname" ]; then 626 if [ -n "$pidfile" ]; then 627 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 628 else 629 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 630 fi 631 if [ -n "$_pidcmd" ]; then 632 _keywords="${_keywords} status poll" 633 fi 634 fi 635 636 if [ -z "$rc_arg" ]; then 637 rc_usage $_keywords 638 fi 639 640 if [ "$rc_arg" = "enabled" ] ; then 641 checkyesno ${rcvar} 642 return $? 643 fi 644 645 if [ -n "$flags" ]; then # allow override from environment 646 rc_flags=$flags 647 else 648 eval rc_flags=\$${name}_flags 649 fi 650 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 651 _nice=\$${name}_nice _user=\$${name}_user \ 652 _group=\$${name}_group _groups=\$${name}_groups \ 653 _fib=\$${name}_fib 654 655 if [ -n "$_user" ]; then # unset $_user if running as that user 656 if [ "$_user" = "$(eval $IDCMD)" ]; then 657 unset _user 658 fi 659 fi 660 661 [ -z "$autoboot" ] && eval $_pidcmd # determine the pid if necessary 662 663 for _elem in $_keywords; do 664 if [ "$_elem" != "$rc_arg" ]; then 665 continue 666 fi 667 # if ${rcvar} is set, $1 is not "rcvar" 668 # and ${rc_pid} is not set, then run 669 # checkyesno ${rcvar} 670 # and return if that failed 671 # 672 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 673 [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 674 if ! checkyesno ${rcvar}; then 675 if [ -n "${rc_quiet}" ]; then 676 return 0 677 fi 678 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 679 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 680 echo "instead of '${rc_arg}'." 681 return 0 682 fi 683 fi 684 685 # if there's a custom ${XXX_cmd}, 686 # run that instead of the default 687 # 688 eval _cmd=\$${rc_arg}_cmd \ 689 _precmd=\$${rc_arg}_precmd \ 690 _postcmd=\$${rc_arg}_postcmd 691 692 if [ -n "$_cmd" ]; then 693 _run_rc_precmd || return 1 694 _run_rc_doit "$_cmd $rc_extra_args" || return 1 695 _run_rc_postcmd 696 return $_return 697 fi 698 699 case "$rc_arg" in # default operations... 700 701 status) 702 _run_rc_precmd || return 1 703 if [ -n "$rc_pid" ]; then 704 echo "${name} is running as pid $rc_pid." 705 else 706 echo "${name} is not running." 707 return 1 708 fi 709 _run_rc_postcmd 710 ;; 711 712 start) 713 if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 714 if [ -z "$rc_quiet" ]; then 715 echo 1>&2 "${name} already running? " \ 716 "(pid=$rc_pid)." 717 fi 718 return 1 719 fi 720 721 if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then 722 warn "run_rc_command: cannot run $command" 723 return 1 724 fi 725 726 if ! _run_rc_precmd; then 727 warn "failed precmd routine for ${name}" 728 return 1 729 fi 730 731 # setup the full command to run 732 # 733 check_startmsgs && echo "Starting ${name}." 734 if [ -n "$_chroot" ]; then 735 _doit="\ 736${_nice:+nice -n $_nice }\ 737${_fib:+setfib -F $_fib }\ 738chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 739$_chroot $command $rc_flags $command_args" 740 else 741 _doit="\ 742${_chdir:+cd $_chdir && }\ 743${_fib:+setfib -F $_fib }\ 744$command $rc_flags $command_args" 745 if [ -n "$_user" ]; then 746 _doit="su -m $_user -c 'sh -c \"$_doit\"'" 747 fi 748 if [ -n "$_nice" ]; then 749 if [ -z "$_user" ]; then 750 _doit="sh -c \"$_doit\"" 751 fi 752 _doit="nice -n $_nice $_doit" 753 fi 754 fi 755 756 # run the full command 757 # 758 if ! _run_rc_doit "$_doit"; then 759 warn "failed to start ${name}" 760 return 1 761 fi 762 763 # finally, run postcmd 764 # 765 _run_rc_postcmd 766 ;; 767 768 stop) 769 if [ -z "$rc_pid" ]; then 770 [ -n "$rc_fast" ] && return 0 771 _run_rc_notrunning 772 return 1 773 fi 774 775 _run_rc_precmd || return 1 776 777 # send the signal to stop 778 # 779 echo "Stopping ${name}." 780 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 781 _run_rc_doit "$_doit" || return 1 782 783 # wait for the command to exit, 784 # and run postcmd. 785 wait_for_pids $rc_pid 786 787 _run_rc_postcmd 788 ;; 789 790 reload) 791 if [ -z "$rc_pid" ]; then 792 _run_rc_notrunning 793 return 1 794 fi 795 796 _run_rc_precmd || return 1 797 798 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 799 _run_rc_doit "$_doit" || return 1 800 801 _run_rc_postcmd 802 ;; 803 804 restart) 805 # prevent restart being called more 806 # than once by any given script 807 # 808 if ${_rc_restart_done:-false}; then 809 return 0 810 fi 811 _rc_restart_done=true 812 813 _run_rc_precmd || return 1 814 815 # run those in a subshell to keep global variables 816 ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 817 ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 818 _return=$? 819 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 820 821 _run_rc_postcmd 822 ;; 823 824 poll) 825 _run_rc_precmd || return 1 826 if [ -n "$rc_pid" ]; then 827 wait_for_pids $rc_pid 828 fi 829 _run_rc_postcmd 830 ;; 831 832 rcvar) 833 echo -n "# $name" 834 if [ -n "$desc" ]; then 835 echo " : $desc" 836 else 837 echo "" 838 fi 839 echo "#" 840 # Get unique vars in $rcvar 841 for _v in $rcvar; do 842 case $v in 843 $_v\ *|\ *$_v|*\ $_v\ *) ;; 844 *) v="${v# } $_v" ;; 845 esac 846 done 847 848 # Display variables. 849 for _v in $v; do 850 if [ -z "$_v" ]; then 851 continue 852 fi 853 854 eval _desc=\$${_v}_desc 855 eval _defval=\$${_v}_defval 856 _h="-" 857 858 eval echo \"$_v=\\\"\$$_v\\\"\" 859 # decode multiple lines of _desc 860 while [ -n "$_desc" ]; do 861 case $_desc in 862 *^^*) 863 echo "# $_h ${_desc%%^^*}" 864 _desc=${_desc#*^^} 865 _h=" " 866 ;; 867 *) 868 echo "# $_h ${_desc}" 869 break 870 ;; 871 esac 872 done 873 echo "# (default: \"$_defval\")" 874 done 875 echo "" 876 ;; 877 878 *) 879 rc_usage $_keywords 880 ;; 881 882 esac 883 return $_return 884 done 885 886 echo 1>&2 "$0: unknown directive '$rc_arg'." 887 rc_usage $_keywords 888 # not reached 889} 890 891# 892# Helper functions for run_rc_command: common code. 893# They use such global variables besides the exported rc_* ones: 894# 895# name R/W 896# ------------------ 897# _precmd R 898# _postcmd R 899# _return W 900# 901_run_rc_precmd() 902{ 903 check_required_before "$rc_arg" || return 1 904 905 if [ -n "$_precmd" ]; then 906 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 907 eval "$_precmd $rc_extra_args" 908 _return=$? 909 910 # If precmd failed and force isn't set, request exit. 911 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 912 return 1 913 fi 914 fi 915 916 check_required_after "$rc_arg" || return 1 917 918 return 0 919} 920 921_run_rc_postcmd() 922{ 923 if [ -n "$_postcmd" ]; then 924 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 925 eval "$_postcmd $rc_extra_args" 926 _return=$? 927 fi 928 return 0 929} 930 931_run_rc_doit() 932{ 933 debug "run_rc_command: doit: $*" 934 eval "$@" 935 _return=$? 936 937 # If command failed and force isn't set, request exit. 938 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 939 return 1 940 fi 941 942 return 0 943} 944 945_run_rc_notrunning() 946{ 947 local _pidmsg 948 949 if [ -n "$pidfile" ]; then 950 _pidmsg=" (check $pidfile)." 951 else 952 _pidmsg= 953 fi 954 echo 1>&2 "${name} not running?${_pidmsg}" 955} 956 957_run_rc_killcmd() 958{ 959 local _cmd 960 961 _cmd="kill -$1 $rc_pid" 962 if [ -n "$_user" ]; then 963 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 964 fi 965 echo "$_cmd" 966} 967 968# 969# run_rc_script file arg 970# Start the script `file' with `arg', and correctly handle the 971# return value from the script. 972# If `file' ends with `.sh', it's sourced into the current environment 973# when $rc_fast_and_loose is set, otherwise it is run as a child process. 974# If `file' appears to be a backup or scratch file, ignore it. 975# Otherwise if it is executable run as a child process. 976# 977run_rc_script() 978{ 979 _file=$1 980 _arg=$2 981 if [ -z "$_file" -o -z "$_arg" ]; then 982 err 3 'USAGE: run_rc_script file arg' 983 fi 984 985 unset name command command_args command_interpreter \ 986 extra_commands pidfile procname \ 987 rcvar rcvars_obsolete required_dirs required_files \ 988 required_vars 989 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 990 991 case "$_file" in 992 /etc/rc.d/*.sh) # no longer allowed in the base 993 warn "Ignoring old-style startup script $_file" 994 ;; 995 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 996 warn "Ignoring scratch file $_file" 997 ;; 998 *) # run in subshell 999 if [ -x $_file ]; then 1000 if [ -n "$rc_fast_and_loose" ]; then 1001 set $_arg; . $_file 1002 else 1003 ( trap "echo Script $_file interrupted >&2 ; kill -QUIT $$" 3 1004 trap "echo Script $_file interrupted >&2 ; exit 1" 2 1005 trap "echo Script $_file running >&2" 29 1006 set $_arg; . $_file ) 1007 fi 1008 fi 1009 ;; 1010 esac 1011} 1012 1013# 1014# load_rc_config name 1015# Source in the configuration file for a given name. 1016# 1017load_rc_config() 1018{ 1019 local _name _rcvar_val _var _defval _v _msg _new 1020 _name=$1 1021 if [ -z "$_name" ]; then 1022 err 3 'USAGE: load_rc_config name' 1023 fi 1024 1025 if ${_rc_conf_loaded:-false}; then 1026 : 1027 else 1028 if [ -r /etc/defaults/rc.conf ]; then 1029 debug "Sourcing /etc/defaults/rc.conf" 1030 . /etc/defaults/rc.conf 1031 source_rc_confs 1032 elif [ -r /etc/rc.conf ]; then 1033 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1034 . /etc/rc.conf 1035 fi 1036 _rc_conf_loaded=true 1037 fi 1038 if [ -f /etc/rc.conf.d/"$_name" ]; then 1039 debug "Sourcing /etc/rc.conf.d/${_name}" 1040 . /etc/rc.conf.d/"$_name" 1041 fi 1042 1043 # Set defaults if defined. 1044 for _var in $rcvar; do 1045 eval _defval=\$${_var}_defval 1046 if [ -n "$_defval" ]; then 1047 eval : \${$_var:=\$${_var}_defval} 1048 fi 1049 done 1050 1051 # check obsolete rc.conf variables 1052 for _var in $rcvars_obsolete; do 1053 eval _v=\$$_var 1054 eval _msg=\$${_var}_obsolete_msg 1055 eval _new=\$${_var}_newvar 1056 case $_v in 1057 "") 1058 ;; 1059 *) 1060 if [ -z "$_new" ]; then 1061 _msg="Ignored." 1062 else 1063 eval $_new=\"\$$_var\" 1064 if [ -z "$_msg" ]; then 1065 _msg="Use \$$_new instead." 1066 fi 1067 fi 1068 warn "\$$_var is obsolete. $_msg" 1069 ;; 1070 esac 1071 done 1072} 1073 1074# 1075# load_rc_config_var name var 1076# Read the rc.conf(5) var for name and set in the 1077# current shell, using load_rc_config in a subshell to prevent 1078# unwanted side effects from other variable assignments. 1079# 1080load_rc_config_var() 1081{ 1082 if [ $# -ne 2 ]; then 1083 err 3 'USAGE: load_rc_config_var name var' 1084 fi 1085 eval $(eval '( 1086 load_rc_config '$1' >/dev/null; 1087 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1088 echo '$2'=\'\''${'$2'}\'\''; 1089 fi 1090 )' ) 1091} 1092 1093# 1094# rc_usage commands 1095# Print a usage string for $0, with `commands' being a list of 1096# valid commands. 1097# 1098rc_usage() 1099{ 1100 echo -n 1>&2 "Usage: $0 [fast|force|one|quiet](" 1101 1102 _sep= 1103 for _elem; do 1104 echo -n 1>&2 "$_sep$_elem" 1105 _sep="|" 1106 done 1107 echo 1>&2 ")" 1108 exit 1 1109} 1110 1111# 1112# err exitval message 1113# Display message to stderr and log to the syslog, and exit with exitval. 1114# 1115err() 1116{ 1117 exitval=$1 1118 shift 1119 1120 if [ -x /usr/bin/logger ]; then 1121 logger "$0: ERROR: $*" 1122 fi 1123 echo 1>&2 "$0: ERROR: $*" 1124 exit $exitval 1125} 1126 1127# 1128# warn message 1129# Display message to stderr and log to the syslog. 1130# 1131warn() 1132{ 1133 if [ -x /usr/bin/logger ]; then 1134 logger "$0: WARNING: $*" 1135 fi 1136 echo 1>&2 "$0: WARNING: $*" 1137} 1138 1139# 1140# info message 1141# Display informational message to stdout and log to syslog. 1142# 1143info() 1144{ 1145 case ${rc_info} in 1146 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1147 if [ -x /usr/bin/logger ]; then 1148 logger "$0: INFO: $*" 1149 fi 1150 echo "$0: INFO: $*" 1151 ;; 1152 esac 1153} 1154 1155# 1156# debug message 1157# If debugging is enabled in rc.conf output message to stderr. 1158# BEWARE that you don't call any subroutine that itself calls this 1159# function. 1160# 1161debug() 1162{ 1163 case ${rc_debug} in 1164 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1165 if [ -x /usr/bin/logger ]; then 1166 logger "$0: DEBUG: $*" 1167 fi 1168 echo 1>&2 "$0: DEBUG: $*" 1169 ;; 1170 esac 1171} 1172 1173# 1174# backup_file action file cur backup 1175# Make a backup copy of `file' into `cur', and save the previous 1176# version of `cur' as `backup' or use rcs for archiving. 1177# 1178# This routine checks the value of the backup_uses_rcs variable, 1179# which can be either YES or NO. 1180# 1181# The `action' keyword can be one of the following: 1182# 1183# add `file' is now being backed up (and is possibly 1184# being reentered into the backups system). `cur' 1185# is created and RCS files, if necessary, are 1186# created as well. 1187# 1188# update `file' has changed and needs to be backed up. 1189# If `cur' exists, it is copied to to `back' or 1190# checked into RCS (if the repository file is old), 1191# and then `file' is copied to `cur'. Another RCS 1192# check in done here if RCS is being used. 1193# 1194# remove `file' is no longer being tracked by the backups 1195# system. If RCS is not being used, `cur' is moved 1196# to `back', otherwise an empty file is checked in, 1197# and then `cur' is removed. 1198# 1199# 1200backup_file() 1201{ 1202 _action=$1 1203 _file=$2 1204 _cur=$3 1205 _back=$4 1206 1207 if checkyesno backup_uses_rcs; then 1208 _msg0="backup archive" 1209 _msg1="update" 1210 1211 # ensure that history file is not locked 1212 if [ -f $_cur,v ]; then 1213 rcs -q -u -U -M $_cur 1214 fi 1215 1216 # ensure after switching to rcs that the 1217 # current backup is not lost 1218 if [ -f $_cur ]; then 1219 # no archive, or current newer than archive 1220 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1221 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1222 rcs -q -kb -U $_cur 1223 co -q -f -u $_cur 1224 fi 1225 fi 1226 1227 case $_action in 1228 add|update) 1229 cp -p $_file $_cur 1230 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1231 rcs -q -kb -U $_cur 1232 co -q -f -u $_cur 1233 chown root:wheel $_cur $_cur,v 1234 ;; 1235 remove) 1236 cp /dev/null $_cur 1237 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1238 rcs -q -kb -U $_cur 1239 chown root:wheel $_cur $_cur,v 1240 rm $_cur 1241 ;; 1242 esac 1243 else 1244 case $_action in 1245 add|update) 1246 if [ -f $_cur ]; then 1247 cp -p $_cur $_back 1248 fi 1249 cp -p $_file $_cur 1250 chown root:wheel $_cur 1251 ;; 1252 remove) 1253 mv -f $_cur $_back 1254 ;; 1255 esac 1256 fi 1257} 1258 1259# make_symlink src link 1260# Make a symbolic link 'link' to src from basedir. If the 1261# directory in which link is to be created does not exist 1262# a warning will be displayed and an error will be returned. 1263# Returns 0 on success, 1 otherwise. 1264# 1265make_symlink() 1266{ 1267 local src link linkdir _me 1268 src="$1" 1269 link="$2" 1270 linkdir="`dirname $link`" 1271 _me="make_symlink()" 1272 1273 if [ -z "$src" -o -z "$link" ]; then 1274 warn "$_me: requires two arguments." 1275 return 1 1276 fi 1277 if [ ! -d "$linkdir" ]; then 1278 warn "$_me: the directory $linkdir does not exist." 1279 return 1 1280 fi 1281 if ! ln -sf $src $link; then 1282 warn "$_me: unable to make a symbolic link from $link to $src" 1283 return 1 1284 fi 1285 return 0 1286} 1287 1288# devfs_rulesets_from_file file 1289# Reads a set of devfs commands from file, and creates 1290# the specified rulesets with their rules. Returns non-zero 1291# if there was an error. 1292# 1293devfs_rulesets_from_file() 1294{ 1295 local file _err _me _opts 1296 file="$1" 1297 _me="devfs_rulesets_from_file" 1298 _err=0 1299 1300 if [ -z "$file" ]; then 1301 warn "$_me: you must specify a file" 1302 return 1 1303 fi 1304 if [ ! -e "$file" ]; then 1305 debug "$_me: no such file ($file)" 1306 return 0 1307 fi 1308 1309 # Disable globbing so that the rule patterns are not expanded 1310 # by accident with matching filesystem entries. 1311 _opts=$-; set -f 1312 1313 debug "reading rulesets from file ($file)" 1314 { while read line 1315 do 1316 case $line in 1317 \#*) 1318 continue 1319 ;; 1320 \[*\]*) 1321 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1322 if [ -z "$rulenum" ]; then 1323 warn "$_me: cannot extract rule number ($line)" 1324 _err=1 1325 break 1326 fi 1327 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1328 if [ -z "$rulename" ]; then 1329 warn "$_me: cannot extract rule name ($line)" 1330 _err=1 1331 break; 1332 fi 1333 eval $rulename=\$rulenum 1334 debug "found ruleset: $rulename=$rulenum" 1335 if ! /sbin/devfs rule -s $rulenum delset; then 1336 _err=1 1337 break 1338 fi 1339 ;; 1340 *) 1341 rulecmd="${line%%"\#*"}" 1342 # evaluate the command incase it includes 1343 # other rules 1344 if [ -n "$rulecmd" ]; then 1345 debug "adding rule ($rulecmd)" 1346 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1347 then 1348 _err=1 1349 break 1350 fi 1351 fi 1352 ;; 1353 esac 1354 if [ $_err -ne 0 ]; then 1355 debug "error in $_me" 1356 break 1357 fi 1358 done } < $file 1359 case $_opts in *f*) ;; *) set +f ;; esac 1360 return $_err 1361} 1362 1363# devfs_init_rulesets 1364# Initializes rulesets from configuration files. Returns 1365# non-zero if there was an error. 1366# 1367devfs_init_rulesets() 1368{ 1369 local file _me 1370 _me="devfs_init_rulesets" 1371 1372 # Go through this only once 1373 if [ -n "$devfs_rulesets_init" ]; then 1374 debug "$_me: devfs rulesets already initialized" 1375 return 1376 fi 1377 for file in $devfs_rulesets; do 1378 if ! devfs_rulesets_from_file $file; then 1379 warn "$_me: could not read rules from $file" 1380 return 1 1381 fi 1382 done 1383 devfs_rulesets_init=1 1384 debug "$_me: devfs rulesets initialized" 1385 return 0 1386} 1387 1388# devfs_set_ruleset ruleset [dir] 1389# Sets the default ruleset of dir to ruleset. The ruleset argument 1390# must be a ruleset name as specified in devfs.rules(5) file. 1391# Returns non-zero if it could not set it successfully. 1392# 1393devfs_set_ruleset() 1394{ 1395 local devdir rs _me 1396 [ -n "$1" ] && eval rs=\$$1 || rs= 1397 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1398 _me="devfs_set_ruleset" 1399 1400 if [ -z "$rs" ]; then 1401 warn "$_me: you must specify a ruleset number" 1402 return 1 1403 fi 1404 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1405 if ! /sbin/devfs $devdir ruleset $rs; then 1406 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1407 return 1 1408 fi 1409 return 0 1410} 1411 1412# devfs_apply_ruleset ruleset [dir] 1413# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1414# The ruleset argument must be a ruleset name as specified 1415# in a devfs.rules(5) file. Returns 0 on success or non-zero 1416# if it could not apply the ruleset. 1417# 1418devfs_apply_ruleset() 1419{ 1420 local devdir rs _me 1421 [ -n "$1" ] && eval rs=\$$1 || rs= 1422 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1423 _me="devfs_apply_ruleset" 1424 1425 if [ -z "$rs" ]; then 1426 warn "$_me: you must specify a ruleset" 1427 return 1 1428 fi 1429 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1430 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1431 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1432 return 1 1433 fi 1434 return 0 1435} 1436 1437# devfs_domount dir [ruleset] 1438# Mount devfs on dir. If ruleset is specified it is set 1439# on the mount-point. It must also be a ruleset name as specified 1440# in a devfs.rules(5) file. Returns 0 on success. 1441# 1442devfs_domount() 1443{ 1444 local devdir rs _me 1445 devdir="$1" 1446 [ -n "$2" ] && rs=$2 || rs= 1447 _me="devfs_domount()" 1448 1449 if [ -z "$devdir" ]; then 1450 warn "$_me: you must specify a mount-point" 1451 return 1 1452 fi 1453 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1454 if ! mount -t devfs dev "$devdir"; then 1455 warn "$_me: Unable to mount devfs on $devdir" 1456 return 1 1457 fi 1458 if [ -n "$rs" ]; then 1459 devfs_init_rulesets 1460 devfs_set_ruleset $rs $devdir 1461 devfs -m $devdir rule applyset 1462 fi 1463 return 0 1464} 1465 1466# Provide a function for normalizing the mounting of memory 1467# filesystems. This should allow the rest of the code here to remain 1468# as close as possible between 5-current and 4-stable. 1469# $1 = size 1470# $2 = mount point 1471# $3 = (optional) extra mdmfs flags 1472mount_md() 1473{ 1474 if [ -n "$3" ]; then 1475 flags="$3" 1476 fi 1477 /sbin/mdmfs $flags -s $1 md $2 1478} 1479 1480# Code common to scripts that need to load a kernel module 1481# if it isn't in the kernel yet. Syntax: 1482# load_kld [-e regex] [-m module] file 1483# where -e or -m chooses the way to check if the module 1484# is already loaded: 1485# regex is egrep'd in the output from `kldstat -v', 1486# module is passed to `kldstat -m'. 1487# The default way is as though `-m file' were specified. 1488load_kld() 1489{ 1490 local _loaded _mod _opt _re 1491 1492 while getopts "e:m:" _opt; do 1493 case "$_opt" in 1494 e) _re="$OPTARG" ;; 1495 m) _mod="$OPTARG" ;; 1496 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1497 esac 1498 done 1499 shift $(($OPTIND - 1)) 1500 if [ $# -ne 1 ]; then 1501 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1502 fi 1503 _mod=${_mod:-$1} 1504 _loaded=false 1505 if [ -n "$_re" ]; then 1506 if kldstat -v | egrep -q -e "$_re"; then 1507 _loaded=true 1508 fi 1509 else 1510 if kldstat -q -m "$_mod"; then 1511 _loaded=true 1512 fi 1513 fi 1514 if ! $_loaded; then 1515 if ! kldload "$1"; then 1516 warn "Unable to load kernel module $1" 1517 return 1 1518 else 1519 info "$1 kernel module loaded." 1520 fi 1521 else 1522 debug "load_kld: $1 kernel module already loaded." 1523 fi 1524 return 0 1525} 1526 1527# ltr str src dst 1528# Change every $src in $str to $dst. 1529# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1530# awk(1). 1531ltr() 1532{ 1533 local _str _src _dst _out _com 1534 _str=$1 1535 _src=$2 1536 _dst=$3 1537 _out="" 1538 1539 IFS=${_src} 1540 for _com in ${_str}; do 1541 if [ -z "${_out}" ]; then 1542 _out="${_com}" 1543 else 1544 _out="${_out}${_dst}${_com}" 1545 fi 1546 done 1547 echo "${_out}" 1548} 1549 1550# Creates a list of providers for GELI encryption. 1551geli_make_list() 1552{ 1553 local devices devices2 1554 local provider mountpoint type options rest 1555 1556 # Create list of GELI providers from fstab. 1557 while read provider mountpoint type options rest ; do 1558 case ":${options}" in 1559 :*noauto*) 1560 noauto=yes 1561 ;; 1562 *) 1563 noauto=no 1564 ;; 1565 esac 1566 1567 case ":${provider}" in 1568 :#*) 1569 continue 1570 ;; 1571 *.eli) 1572 # Skip swap devices. 1573 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1574 continue 1575 fi 1576 devices="${devices} ${provider}" 1577 ;; 1578 esac 1579 done < /etc/fstab 1580 1581 # Append providers from geli_devices. 1582 devices="${devices} ${geli_devices}" 1583 1584 for provider in ${devices}; do 1585 provider=${provider%.eli} 1586 provider=${provider#/dev/} 1587 devices2="${devices2} ${provider}" 1588 done 1589 1590 echo ${devices2} 1591} 1592 1593# Find scripts in local_startup directories that use the old syntax 1594# 1595find_local_scripts_old() { 1596 zlist='' 1597 slist='' 1598 for dir in ${local_startup}; do 1599 if [ -d "${dir}" ]; then 1600 for file in ${dir}/[0-9]*.sh; do 1601 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1602 continue 1603 zlist="$zlist $file" 1604 done 1605 for file in ${dir}/[!0-9]*.sh; do 1606 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1607 continue 1608 slist="$slist $file" 1609 done 1610 fi 1611 done 1612} 1613 1614find_local_scripts_new() { 1615 local_rc='' 1616 for dir in ${local_startup}; do 1617 if [ -d "${dir}" ]; then 1618 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1619 case "$file" in 1620 *.sample) ;; 1621 *) if [ -x "$file" ]; then 1622 local_rc="${local_rc} ${file}" 1623 fi 1624 ;; 1625 esac 1626 done 1627 fi 1628 done 1629} 1630 1631# check_required_{before|after} command 1632# Check for things required by the command before and after its precmd, 1633# respectively. The two separate functions are needed because some 1634# conditions should prevent precmd from being run while other things 1635# depend on precmd having already been run. 1636# 1637check_required_before() 1638{ 1639 local _f 1640 1641 case "$1" in 1642 start) 1643 for _f in $required_vars; do 1644 if ! checkyesno $_f; then 1645 warn "\$${_f} is not enabled." 1646 if [ -z "$rc_force" ]; then 1647 return 1 1648 fi 1649 fi 1650 done 1651 1652 for _f in $required_dirs; do 1653 if [ ! -d "${_f}/." ]; then 1654 warn "${_f} is not a directory." 1655 if [ -z "$rc_force" ]; then 1656 return 1 1657 fi 1658 fi 1659 done 1660 1661 for _f in $required_files; do 1662 if [ ! -r "${_f}" ]; then 1663 warn "${_f} is not readable." 1664 if [ -z "$rc_force" ]; then 1665 return 1 1666 fi 1667 fi 1668 done 1669 ;; 1670 esac 1671 1672 return 0 1673} 1674 1675check_required_after() 1676{ 1677 local _f _args 1678 1679 case "$1" in 1680 start) 1681 for _f in $required_modules; do 1682 case "${_f}" in 1683 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1684 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1685 *) _args="${_f}" ;; 1686 esac 1687 if ! load_kld ${_args}; then 1688 if [ -z "$rc_force" ]; then 1689 return 1 1690 fi 1691 fi 1692 done 1693 ;; 1694 esac 1695 1696 return 0 1697} 1698 1699# check_kern_features mib 1700# Return existence of kern.features.* sysctl MIB as true or 1701# false. The result will be cached in $_rc_cache_kern_features_ 1702# namespace. "0" means the kern.features.X exists. 1703 1704check_kern_features() 1705{ 1706 local _v 1707 1708 [ -n "$1" ] || return 1; 1709 eval _v=\$_rc_cache_kern_features_$1 1710 [ -n "$_v" ] && return "$_v"; 1711 1712 if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then 1713 eval _rc_cache_kern_features_$1=0 1714 return 0 1715 else 1716 eval _rc_cache_kern_features_$1=1 1717 return 1 1718 fi 1719} 1720 1721# check_namevarlist var 1722# Return "0" if ${name}_var is reserved in rc.subr. 1723 1724_rc_namevarlist="program chroot chdir flags fib nice user group groups" 1725check_namevarlist() 1726{ 1727 local _v 1728 1729 for _v in $_rc_namevarlist; do 1730 case $1 in 1731 $_v) return 0 ;; 1732 esac 1733 done 1734 1735 return 1 1736} 1737 1738# _echoonce var msg mode 1739# mode=0: Echo $msg if ${$var} is empty. 1740# After doing echo, a string is set to ${$var}. 1741# 1742# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1743# 1744_echoonce() 1745{ 1746 local _var _msg _mode 1747 eval _var=\$$1 1748 _msg=$2 1749 _mode=$3 1750 1751 case $_mode in 1752 1) [ -n "$_var" ] && echo "$_msg" ;; 1753 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1754 esac 1755} 1756 1757fi # [ -z "${_rc_subr_loaded}" ] 1758 1759_rc_subr_loaded=: 1760