rc.subr revision 201038
1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD: head/etc/rc.subr 201038 2009-12-27 06:27:09Z 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# 3. All advertising materials mentioning features or use of this software 19# must display the following acknowledgement: 20# This product includes software developed by the NetBSD 21# Foundation, Inc. and its contributors. 22# 4. Neither the name of The NetBSD Foundation nor the names of its 23# contributors may be used to endorse or promote products derived 24# from this software without specific prior written permission. 25# 26# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36# POSSIBILITY OF SUCH DAMAGE. 37# 38# rc.subr 39# functions used by various rc scripts 40# 41 42: ${rcvar_manpage:='rc.conf(5)'} 43: ${RC_PID:=$$}; export RC_PID 44 45# 46# Operating System dependent/independent variables 47# 48 49if [ -z "${_rc_subr_loaded}" ]; then 50 51_rc_subr_loaded="YES" 52 53SYSCTL="/sbin/sysctl" 54SYSCTL_N="${SYSCTL} -n" 55CMD_OSTYPE="${SYSCTL_N} kern.ostype" 56OSTYPE=`${CMD_OSTYPE}` 57ID="/usr/bin/id" 58IDCMD="if [ -x $ID ]; then $ID -un; fi" 59PS="/bin/ps -ww" 60JID=`$PS -p $$ -o jid=` 61 62case ${OSTYPE} in 63FreeBSD) 64 SYSCTL_W="${SYSCTL}" 65 ;; 66NetBSD) 67 SYSCTL_W="${SYSCTL} -w" 68 ;; 69esac 70 71# 72# functions 73# --------- 74 75# set_rcvar [var] [defval] [desc] 76# 77# Echo or define a rc.conf(5) variable name. Global variable 78# $rcvars is used. 79# 80# If no argument is specified, echo "${name}_enable". 81# 82# If only a var is specified, echo "${var}_enable". 83# 84# If var and defval are specified, the ${var} is defined as 85# rc.conf(5) variable and the default value is ${defvar}. An 86# optional argument $desc can also be specified to add a 87# description for that. 88# 89set_rcvar() 90{ 91 case $# in 92 0) 93 echo ${name}_enable 94 ;; 95 1) 96 echo ${1}_enable 97 ;; 98 *) 99 debug "rcvar_define: \$$1=$2 is added" \ 100 " as a rc.conf(5) variable." 101 102 local _var 103 _var=$1 104 rcvars="${rcvars# } $_var" 105 eval ${_var}_defval=\"$2\" 106 shift 2 107 # encode multiple lines of _desc 108 for l in "$@"; do 109 eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 110 done 111 eval ${_var}_desc=\"\${${_var}_desc#^^}\" 112 ;; 113 esac 114} 115 116# set_rcvar_obsolete oldvar [newvar] [msg] 117# Define obsolete variable. 118# Global variable $rcvars_obsolete is used. 119# 120set_rcvar_obsolete() 121{ 122 local _var 123 _var=$1 124 debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 125 126 rcvars_obsolete="${rcvars_obsolete# } $1" 127 eval ${1}_newvar=\"$2\" 128 shift 2 129 eval ${_var}_obsolete_msg=\"$*\" 130} 131 132# 133# force_depend script 134# Force a service to start. Intended for use by services 135# to resolve dependency issues. It is assumed the caller 136# has check to make sure this call is necessary 137# $1 - filename of script, in /etc/rc.d, to run 138# 139force_depend() 140{ 141 _depend="$1" 142 143 info "${name} depends on ${_depend}, which will be forced to start." 144 if ! /etc/rc.d/${_depend} forcestart; then 145 warn "Unable to force ${_depend}. It may already be running." 146 return 1 147 fi 148 return 0 149} 150 151# 152# checkyesno var 153# Test $1 variable, and warn if not set to YES or NO. 154# Return 0 if it's "yes" (et al), nonzero otherwise. 155# 156checkyesno() 157{ 158 eval _value=\$${1} 159 debug "checkyesno: $1 is set to $_value." 160 case $_value in 161 162 # "yes", "true", "on", or "1" 163 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 164 return 0 165 ;; 166 167 # "no", "false", "off", or "0" 168 [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 169 return 1 170 ;; 171 *) 172 warn "\$${1} is not set properly - see ${rcvar_manpage}." 173 return 1 174 ;; 175 esac 176} 177 178# 179# reverse_list list 180# print the list in reverse order 181# 182reverse_list() 183{ 184 _revlist= 185 for _revfile; do 186 _revlist="$_revfile $_revlist" 187 done 188 echo $_revlist 189} 190 191# stop_boot always 192# If booting directly to multiuser or $always is enabled, 193# send SIGTERM to the parent (/etc/rc) to abort the boot. 194# Otherwise just exit. 195# 196stop_boot() 197{ 198 local always 199 200 case $1 in 201 # "yes", "true", "on", or "1" 202 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 203 always=true 204 ;; 205 *) 206 always=false 207 ;; 208 esac 209 if [ "$autoboot" = yes -o "$always" = true ]; then 210 echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 211 kill -TERM ${RC_PID} 212 fi 213 exit 1 214} 215 216# 217# mount_critical_filesystems type 218# Go through the list of critical filesystems as provided in 219# the rc.conf(5) variable $critical_filesystems_${type}, checking 220# each one to see if it is mounted, and if it is not, mounting it. 221# 222mount_critical_filesystems() 223{ 224 eval _fslist=\$critical_filesystems_${1} 225 for _fs in $_fslist; do 226 mount | ( 227 _ismounted=false 228 while read what _on on _type type; do 229 if [ $on = $_fs ]; then 230 _ismounted=true 231 fi 232 done 233 if $_ismounted; then 234 : 235 else 236 mount $_fs >/dev/null 2>&1 237 fi 238 ) 239 done 240} 241 242# 243# check_pidfile pidfile procname [interpreter] 244# Parses the first line of pidfile for a PID, and ensures 245# that the process is running and matches procname. 246# Prints the matching PID upon success, nothing otherwise. 247# interpreter is optional; see _find_processes() for details. 248# 249check_pidfile() 250{ 251 _pidfile=$1 252 _procname=$2 253 _interpreter=$3 254 if [ -z "$_pidfile" -o -z "$_procname" ]; then 255 err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 256 fi 257 if [ ! -f $_pidfile ]; then 258 debug "pid file ($_pidfile): not readable." 259 return 260 fi 261 read _pid _junk < $_pidfile 262 if [ -z "$_pid" ]; then 263 debug "pid file ($_pidfile): no pid in file." 264 return 265 fi 266 _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 267} 268 269# 270# check_process procname [interpreter] 271# Ensures that a process (or processes) named procname is running. 272# Prints a list of matching PIDs. 273# interpreter is optional; see _find_processes() for details. 274# 275check_process() 276{ 277 _procname=$1 278 _interpreter=$2 279 if [ -z "$_procname" ]; then 280 err 3 'USAGE: check_process procname [interpreter]' 281 fi 282 _find_processes $_procname ${_interpreter:-.} '-ax' 283} 284 285# 286# _find_processes procname interpreter psargs 287# Search for procname in the output of ps generated by psargs. 288# Prints the PIDs of any matching processes, space separated. 289# 290# If interpreter == ".", check the following variations of procname 291# against the first word of each command: 292# procname 293# `basename procname` 294# `basename procname` + ":" 295# "(" + `basename procname` + ")" 296# "[" + `basename procname` + "]" 297# 298# If interpreter != ".", read the first line of procname, remove the 299# leading #!, normalise whitespace, append procname, and attempt to 300# match that against each command, either as is, or with extra words 301# at the end. As an alternative, to deal with interpreted daemons 302# using perl, the basename of the interpreter plus a colon is also 303# tried as the prefix to procname. 304# 305_find_processes() 306{ 307 if [ $# -ne 3 ]; then 308 err 3 'USAGE: _find_processes procname interpreter psargs' 309 fi 310 _procname=$1 311 _interpreter=$2 312 _psargs=$3 313 314 _pref= 315 if [ $_interpreter != "." ]; then # an interpreted script 316 _script=${_chroot}${_chroot:+"/"}$_procname 317 if [ -r $_script ]; then 318 read _interp < $_script # read interpreter name 319 case "$_interp" in 320 \#!*) 321 _interp=${_interp#\#!} # strip #! 322 set -- $_interp 323 case $1 in 324 */bin/env) 325 shift # drop env to get real name 326 ;; 327 esac 328 if [ $_interpreter != $1 ]; then 329 warn "\$command_interpreter $_interpreter != $1" 330 fi 331 ;; 332 *) 333 warn "no shebang line in $_script" 334 set -- $_interpreter 335 ;; 336 esac 337 else 338 warn "cannot read shebang line from $_script" 339 set -- $_interpreter 340 fi 341 _interp="$* $_procname" # cleanup spaces, add _procname 342 _interpbn=${1##*/} 343 _fp_args='_argv' 344 _fp_match='case "$_argv" in 345 ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 346 else # a normal daemon 347 _procnamebn=${_procname##*/} 348 _fp_args='_arg0 _argv' 349 _fp_match='case "$_arg0" in 350 $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 351 fi 352 353 _proccheck="\ 354 $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 355 while read _npid _jid '"$_fp_args"'; do 356 '"$_fp_match"' 357 if [ "$JID" -eq "$_jid" ]; 358 then echo -n "$_pref$_npid"; 359 _pref=" "; 360 fi 361 ;; 362 esac 363 done' 364 365# debug "in _find_processes: proccheck is ($_proccheck)." 366 eval $_proccheck 367} 368 369# 370# wait_for_pids pid [pid ...] 371# spins until none of the pids exist 372# 373wait_for_pids() 374{ 375 _list="$@" 376 if [ -z "$_list" ]; then 377 return 378 fi 379 _prefix= 380 while true; do 381 _nlist=""; 382 for _j in $_list; do 383 if kill -0 $_j 2>/dev/null; then 384 _nlist="${_nlist}${_nlist:+ }$_j" 385 fi 386 done 387 if [ -z "$_nlist" ]; then 388 break 389 fi 390 _list=$_nlist 391 echo -n ${_prefix:-"Waiting for PIDS: "}$_list 392 _prefix=", " 393 pwait $_list 2>/dev/null || sleep 2 394 done 395 if [ -n "$_prefix" ]; then 396 echo "." 397 fi 398} 399 400# 401# check_startmsgs 402# If rc_quiet is set (usually as a result of using faststart at 403# boot time) check if rc_startmsgs is enabled. 404# 405check_startmsgs() 406{ 407 if [ -n "$rc_quiet" ]; then 408 checkyesno rc_startmsgs 409 else 410 return 0 411 fi 412} 413 414# 415# run_rc_command argument 416# Search for argument in the list of supported commands, which is: 417# "start stop restart rcvar status poll ${extra_commands}" 418# If there's a match, run ${argument}_cmd or the default method 419# (see below). 420# 421# If argument has a given prefix, then change the operation as follows: 422# Prefix Operation 423# ------ --------- 424# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 425# force Set ${rcvar} to YES, and set rc_force=yes 426# one Set ${rcvar} to YES 427# quiet Don't output some diagnostics, and set rc_quiet=yes 428# 429# The following globals are used: 430# 431# Name Needed Purpose 432# ---- ------ ------- 433# name y Name of script. 434# 435# command n Full path to command. 436# Not needed if ${rc_arg}_cmd is set for 437# each keyword. 438# 439# command_args n Optional args/shell directives for command. 440# 441# command_interpreter n If not empty, command is interpreted, so 442# call check_{pidfile,process}() appropriately. 443# 444# desc n Description of script. 445# 446# extra_commands n List of extra commands supported. 447# 448# pidfile n If set, use check_pidfile $pidfile $command, 449# otherwise use check_process $command. 450# In either case, only check if $command is set. 451# 452# procname n Process name to check for instead of $command. 453# 454# rcvar n This is checked with checkyesno to determine 455# if the action should be run. 456# 457# ${name}_program n Full path to command. 458# Meant to be used in /etc/rc.conf to override 459# ${command}. 460# 461# ${name}_chroot n Directory to chroot to before running ${command} 462# Requires /usr to be mounted. 463# 464# ${name}_chdir n Directory to cd to before running ${command} 465# (if not using ${name}_chroot). 466# 467# ${name}_flags n Arguments to call ${command} with. 468# NOTE: $flags from the parent environment 469# can be used to override this. 470# 471# ${name}_nice n Nice level to run ${command} at. 472# 473# ${name}_user n User to run ${command} as, using su(1) if not 474# using ${name}_chroot. 475# Requires /usr to be mounted. 476# 477# ${name}_group n Group to run chrooted ${command} as. 478# Requires /usr to be mounted. 479# 480# ${name}_groups n Comma separated list of supplementary groups 481# to run the chrooted ${command} with. 482# Requires /usr to be mounted. 483# 484# ${rc_arg}_cmd n If set, use this as the method when invoked; 485# Otherwise, use default command (see below) 486# 487# ${rc_arg}_precmd n If set, run just before performing the 488# ${rc_arg}_cmd method in the default 489# operation (i.e, after checking for required 490# bits and process (non)existence). 491# If this completes with a non-zero exit code, 492# don't run ${rc_arg}_cmd. 493# 494# ${rc_arg}_postcmd n If set, run just after performing the 495# ${rc_arg}_cmd method, if that method 496# returned a zero exit code. 497# 498# required_dirs n If set, check for the existence of the given 499# directories before running a (re)start command. 500# 501# required_files n If set, check for the readability of the given 502# files before running a (re)start command. 503# 504# required_modules n If set, ensure the given kernel modules are 505# loaded before running a (re)start command. 506# The check and possible loads are actually 507# done after start_precmd so that the modules 508# aren't loaded in vain, should the precmd 509# return a non-zero status to indicate a error. 510# If a word in the list looks like "foo:bar", 511# "foo" is the KLD file name and "bar" is the 512# module name. If a word looks like "foo~bar", 513# "foo" is the KLD file name and "bar" is a 514# egrep(1) pattern matching the module name. 515# Otherwise the module name is assumed to be 516# the same as the KLD file name, which is most 517# common. See load_kld(). 518# 519# required_vars n If set, perform checkyesno on each of the 520# listed variables before running the default 521# (re)start command. 522# 523# Default behaviour for a given argument, if no override method is 524# provided: 525# 526# Argument Default behaviour 527# -------- ----------------- 528# start if !running && checkyesno ${rcvar} 529# ${command} 530# 531# stop if ${pidfile} 532# rc_pid=$(check_pidfile $pidfile $command) 533# else 534# rc_pid=$(check_process $command) 535# kill $sig_stop $rc_pid 536# wait_for_pids $rc_pid 537# ($sig_stop defaults to TERM.) 538# 539# reload Similar to stop, except use $sig_reload instead, 540# and doesn't wait_for_pids. 541# $sig_reload defaults to HUP. 542# Note that `reload' isn't provided by default, 543# it should be enabled via $extra_commands. 544# 545# restart Run `stop' then `start'. 546# 547# status Show if ${command} is running, etc. 548# 549# poll Wait for ${command} to exit. 550# 551# rcvar Display what rc.conf variable is used (if any). 552# 553# Variables available to methods, and after run_rc_command() has 554# completed: 555# 556# Variable Purpose 557# -------- ------- 558# rc_arg Argument to command, after fast/force/one processing 559# performed 560# 561# rc_flags Flags to start the default command with. 562# Defaults to ${name}_flags, unless overridden 563# by $flags from the environment. 564# This variable may be changed by the precmd method. 565# 566# rc_pid PID of command (if appropriate) 567# 568# rc_fast Not empty if "fast" was provided (q.v.) 569# 570# rc_force Not empty if "force" was provided (q.v.) 571# 572# rc_quiet Not empty if "quiet" was provided 573# 574# 575run_rc_command() 576{ 577 _return=0 578 rc_arg=$1 579 if [ -z "$name" ]; then 580 err 3 'run_rc_command: $name is not set.' 581 fi 582 583 # Don't repeat the first argument when passing additional command- 584 # line arguments to the command subroutines. 585 # 586 shift 1 587 rc_extra_args="$*" 588 589 _rc_prefix= 590 case "$rc_arg" in 591 fast*) # "fast" prefix; don't check pid 592 rc_arg=${rc_arg#fast} 593 rc_fast=yes 594 rc_quiet=yes 595 ;; 596 force*) # "force" prefix; always run 597 rc_force=yes 598 _rc_prefix=force 599 rc_arg=${rc_arg#${_rc_prefix}} 600 if [ -n "${rcvar}" ]; then 601 eval ${rcvar}=YES 602 fi 603 ;; 604 one*) # "one" prefix; set ${rcvar}=yes 605 _rc_prefix=one 606 rc_arg=${rc_arg#${_rc_prefix}} 607 if [ -n "${rcvar}" ]; then 608 eval ${rcvar}=YES 609 fi 610 ;; 611 quiet*) # "quiet" prefix; omit some messages 612 _rc_prefix=quiet 613 rc_arg=${rc_arg#${_rc_prefix}} 614 rc_quiet=yes 615 ;; 616 esac 617 618 eval _override_command=\$${name}_program 619 command=${_override_command:-$command} 620 621 _keywords="start stop restart rcvar $extra_commands" 622 rc_pid= 623 _pidcmd= 624 _procname=${procname:-${command}} 625 626 # setup pid check command 627 if [ -n "$_procname" ]; then 628 if [ -n "$pidfile" ]; then 629 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 630 else 631 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 632 fi 633 if [ -n "$_pidcmd" ]; then 634 _keywords="${_keywords} status poll" 635 fi 636 fi 637 638 if [ -z "$rc_arg" ]; then 639 rc_usage $_keywords 640 fi 641 642 if [ -n "$flags" ]; then # allow override from environment 643 rc_flags=$flags 644 else 645 eval rc_flags=\$${name}_flags 646 fi 647 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 648 _nice=\$${name}_nice _user=\$${name}_user \ 649 _group=\$${name}_group _groups=\$${name}_groups 650 651 if [ -n "$_user" ]; then # unset $_user if running as that user 652 if [ "$_user" = "$(eval $IDCMD)" ]; then 653 unset _user 654 fi 655 fi 656 657 eval $_pidcmd # determine the pid if necessary 658 659 for _elem in $_keywords; do 660 if [ "$_elem" != "$rc_arg" ]; then 661 continue 662 fi 663 # if ${rcvar} is set, and $1 is not 664 # "rcvar", then run 665 # checkyesno ${rcvar} 666 # and return if that failed 667 # 668 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 669 if ! checkyesno ${rcvar}; then 670 if [ -n "${rc_quiet}" ]; then 671 return 0 672 fi 673 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 674 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 675 echo "instead of '${rc_arg}'." 676 return 0 677 fi 678 fi 679 680 # if there's a custom ${XXX_cmd}, 681 # run that instead of the default 682 # 683 eval _cmd=\$${rc_arg}_cmd \ 684 _precmd=\$${rc_arg}_precmd \ 685 _postcmd=\$${rc_arg}_postcmd 686 687 if [ -n "$_cmd" ]; then 688 _run_rc_precmd || return 1 689 _run_rc_doit "$_cmd $rc_extra_args" || return 1 690 _run_rc_postcmd 691 return $_return 692 fi 693 694 case "$rc_arg" in # default operations... 695 696 status) 697 _run_rc_precmd || return 1 698 if [ -n "$rc_pid" ]; then 699 echo "${name} is running as pid $rc_pid." 700 else 701 echo "${name} is not running." 702 return 1 703 fi 704 _run_rc_postcmd 705 ;; 706 707 start) 708 if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 709 echo 1>&2 "${name} already running? (pid=$rc_pid)." 710 return 1 711 fi 712 713 if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 714 warn "run_rc_command: cannot run $command" 715 return 1 716 fi 717 718 if ! _run_rc_precmd; then 719 warn "failed precmd routine for ${name}" 720 return 1 721 fi 722 723 # setup the full command to run 724 # 725 check_startmsgs && echo "Starting ${name}." 726 if [ -n "$_chroot" ]; then 727 _doit="\ 728${_nice:+nice -n $_nice }\ 729chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 730$_chroot $command $rc_flags $command_args" 731 else 732 _doit="\ 733${_chdir:+cd $_chdir && }\ 734$command $rc_flags $command_args" 735 if [ -n "$_user" ]; then 736 _doit="su -m $_user -c 'sh -c \"$_doit\"'" 737 fi 738 if [ -n "$_nice" ]; then 739 if [ -z "$_user" ]; then 740 _doit="sh -c \"$_doit\"" 741 fi 742 _doit="nice -n $_nice $_doit" 743 fi 744 fi 745 746 # run the full command 747 # 748 if ! _run_rc_doit "$_doit"; then 749 warn "failed to start ${name}" 750 return 1 751 fi 752 753 # finally, run postcmd 754 # 755 _run_rc_postcmd 756 ;; 757 758 stop) 759 if [ -z "$rc_pid" ]; then 760 [ -n "$rc_fast" ] && return 0 761 _run_rc_notrunning 762 return 1 763 fi 764 765 _run_rc_precmd || return 1 766 767 # send the signal to stop 768 # 769 echo "Stopping ${name}." 770 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 771 _run_rc_doit "$_doit" || return 1 772 773 # wait for the command to exit, 774 # and run postcmd. 775 wait_for_pids $rc_pid 776 777 _run_rc_postcmd 778 ;; 779 780 reload) 781 if [ -z "$rc_pid" ]; then 782 _run_rc_notrunning 783 return 1 784 fi 785 786 _run_rc_precmd || return 1 787 788 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 789 _run_rc_doit "$_doit" || return 1 790 791 _run_rc_postcmd 792 ;; 793 794 restart) 795 # prevent restart being called more 796 # than once by any given script 797 # 798 if ${_rc_restart_done:-false}; then 799 return 0 800 fi 801 _rc_restart_done=true 802 803 _run_rc_precmd || return 1 804 805 # run those in a subshell to keep global variables 806 ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 807 ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 808 _return=$? 809 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 810 811 _run_rc_postcmd 812 ;; 813 814 poll) 815 _run_rc_precmd || return 1 816 if [ -n "$rc_pid" ]; then 817 wait_for_pids $rc_pid 818 fi 819 _run_rc_postcmd 820 ;; 821 822 rcvar) 823 echo -n "# $name" 824 if [ -n "$desc" ]; then 825 echo " : $desc" 826 else 827 echo "" 828 fi 829 echo "#" 830 # Get unique vars in $rcvar $rcvars 831 for _v in $rcvar $rcvars; do 832 case $v in 833 $_v\ *|\ *$_v|*\ $_v\ *) ;; 834 *) v="${v# } $_v" ;; 835 esac 836 done 837 838 # Display variables. 839 for _v in $v; do 840 if [ -z "$_v" ]; then 841 continue 842 fi 843 844 eval _desc=\$${_v}_desc 845 eval _defval=\$${_v}_defval 846 _h="-" 847 848 eval echo \"$_v=\\\"\$$_v\\\"\" 849 # decode multiple lines of _desc 850 while [ -n "$_desc" ]; do 851 case $_desc in 852 *^^*) 853 echo "# $_h ${_desc%%^^*}" 854 _desc=${_desc#*^^} 855 _h=" " 856 ;; 857 *) 858 echo "# $_h ${_desc}" 859 break 860 ;; 861 esac 862 done 863 echo "# (default: \"$_defval\")" 864 done 865 echo "" 866 ;; 867 868 *) 869 rc_usage $_keywords 870 ;; 871 872 esac 873 return $_return 874 done 875 876 echo 1>&2 "$0: unknown directive '$rc_arg'." 877 rc_usage $_keywords 878 # not reached 879} 880 881# 882# Helper functions for run_rc_command: common code. 883# They use such global variables besides the exported rc_* ones: 884# 885# name R/W 886# ------------------ 887# _precmd R 888# _postcmd R 889# _return W 890# 891_run_rc_precmd() 892{ 893 check_required_before "$rc_arg" || return 1 894 895 if [ -n "$_precmd" ]; then 896 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 897 eval "$_precmd $rc_extra_args" 898 _return=$? 899 900 # If precmd failed and force isn't set, request exit. 901 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 902 return 1 903 fi 904 fi 905 906 check_required_after "$rc_arg" || return 1 907 908 return 0 909} 910 911_run_rc_postcmd() 912{ 913 if [ -n "$_postcmd" ]; then 914 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 915 eval "$_postcmd $rc_extra_args" 916 _return=$? 917 fi 918 return 0 919} 920 921_run_rc_doit() 922{ 923 debug "run_rc_command: doit: $*" 924 eval "$@" 925 _return=$? 926 927 # If command failed and force isn't set, request exit. 928 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 929 return 1 930 fi 931 932 return 0 933} 934 935_run_rc_notrunning() 936{ 937 local _pidmsg 938 939 if [ -n "$pidfile" ]; then 940 _pidmsg=" (check $pidfile)." 941 else 942 _pidmsg= 943 fi 944 echo 1>&2 "${name} not running?${_pidmsg}" 945} 946 947_run_rc_killcmd() 948{ 949 local _cmd 950 951 _cmd="kill -$1 $rc_pid" 952 if [ -n "$_user" ]; then 953 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 954 fi 955 echo "$_cmd" 956} 957 958# 959# run_rc_script file arg 960# Start the script `file' with `arg', and correctly handle the 961# return value from the script. 962# If `file' ends with `.sh', it's sourced into the current environment 963# when $rc_fast_and_loose is set, otherwise it is run as a child process. 964# If `file' appears to be a backup or scratch file, ignore it. 965# Otherwise if it is executable run as a child process. 966# 967run_rc_script() 968{ 969 _file=$1 970 _arg=$2 971 if [ -z "$_file" -o -z "$_arg" ]; then 972 err 3 'USAGE: run_rc_script file arg' 973 fi 974 975 unset name command command_args command_interpreter \ 976 extra_commands pidfile procname \ 977 rcvar rcvars rcvars_obsolete required_dirs required_files \ 978 required_vars 979 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 980 981 case "$_file" in 982 /etc/rc.d/*.sh) # no longer allowed in the base 983 warn "Ignoring old-style startup script $_file" 984 ;; 985 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 986 warn "Ignoring scratch file $_file" 987 ;; 988 *) # run in subshell 989 if [ -x $_file ]; then 990 if [ -n "$rc_fast_and_loose" ]; then 991 set $_arg; . $_file 992 else 993 ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 994 trap "echo Script $_file interrupted; exit 1" 2 995 trap "echo Script $_file running" 29 996 set $_arg; . $_file ) 997 fi 998 fi 999 ;; 1000 esac 1001} 1002 1003# 1004# load_rc_config name 1005# Source in the configuration file for a given name. 1006# 1007load_rc_config() 1008{ 1009 local _name _var _defval _v _msg _new 1010 _name=$1 1011 if [ -z "$_name" ]; then 1012 err 3 'USAGE: load_rc_config name' 1013 fi 1014 1015 if ${_rc_conf_loaded:-false}; then 1016 : 1017 else 1018 if [ -r /etc/defaults/rc.conf ]; then 1019 debug "Sourcing /etc/defaults/rc.conf" 1020 . /etc/defaults/rc.conf 1021 source_rc_confs 1022 elif [ -r /etc/rc.conf ]; then 1023 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1024 . /etc/rc.conf 1025 fi 1026 _rc_conf_loaded=true 1027 fi 1028 if [ -f /etc/rc.conf.d/"$_name" ]; then 1029 debug "Sourcing /etc/rc.conf.d/${_name}" 1030 . /etc/rc.conf.d/"$_name" 1031 fi 1032 1033 # Old variable names support 1034 # 1035 [ -n "$enable_quotas" ] && quota_enable="$enable_quotas" 1036 1037 # Set defaults if defined. 1038 for _var in $rcvar $rcvars; do 1039 _defval=`eval echo "\\\$${_var}_defval"` 1040 if [ -n "$_defval" ]; then 1041 eval : \${$_var:=\$${_var}_defval} 1042 fi 1043 done 1044 1045 # check obsolete rc.conf variables 1046 for _var in $rcvars_obsolete; do 1047 _v=`eval echo \\$$_var` 1048 _msg=`eval echo \\$${_var}_obsolete_msg` 1049 _new=`eval echo \\$${_var}_newvar` 1050 case $_v in 1051 "") 1052 ;; 1053 *) 1054 if [ -z "$_new" ]; then 1055 _msg="Ignored." 1056 else 1057 eval $_new=\"\$$_var\" 1058 if [ -z "$_msg" ]; then 1059 _msg="Use \$$_new instead." 1060 fi 1061 fi 1062 warn "\$$_var is obsolete. $_msg" 1063 ;; 1064 esac 1065 done 1066} 1067 1068# 1069# load_rc_config_var name var 1070# Read the rc.conf(5) var for name and set in the 1071# current shell, using load_rc_config in a subshell to prevent 1072# unwanted side effects from other variable assignments. 1073# 1074load_rc_config_var() 1075{ 1076 if [ $# -ne 2 ]; then 1077 err 3 'USAGE: load_rc_config_var name var' 1078 fi 1079 eval $(eval '( 1080 load_rc_config '$1' >/dev/null; 1081 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1082 echo '$2'=\'\''${'$2'}\'\''; 1083 fi 1084 )' ) 1085} 1086 1087# 1088# rc_usage commands 1089# Print a usage string for $0, with `commands' being a list of 1090# valid commands. 1091# 1092rc_usage() 1093{ 1094 echo -n 1>&2 "Usage: $0 [fast|force|one](" 1095 1096 _sep= 1097 for _elem; do 1098 echo -n 1>&2 "$_sep$_elem" 1099 _sep="|" 1100 done 1101 echo 1>&2 ")" 1102 exit 1 1103} 1104 1105# 1106# err exitval message 1107# Display message to stderr and log to the syslog, and exit with exitval. 1108# 1109err() 1110{ 1111 exitval=$1 1112 shift 1113 1114 if [ -x /usr/bin/logger ]; then 1115 logger "$0: ERROR: $*" 1116 fi 1117 echo 1>&2 "$0: ERROR: $*" 1118 exit $exitval 1119} 1120 1121# 1122# warn message 1123# Display message to stderr and log to the syslog. 1124# 1125warn() 1126{ 1127 if [ -x /usr/bin/logger ]; then 1128 logger "$0: WARNING: $*" 1129 fi 1130 echo 1>&2 "$0: WARNING: $*" 1131} 1132 1133# 1134# info message 1135# Display informational message to stdout and log to syslog. 1136# 1137info() 1138{ 1139 case ${rc_info} in 1140 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1141 if [ -x /usr/bin/logger ]; then 1142 logger "$0: INFO: $*" 1143 fi 1144 echo "$0: INFO: $*" 1145 ;; 1146 esac 1147} 1148 1149# 1150# debug message 1151# If debugging is enabled in rc.conf output message to stderr. 1152# BEWARE that you don't call any subroutine that itself calls this 1153# function. 1154# 1155debug() 1156{ 1157 case ${rc_debug} in 1158 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1159 if [ -x /usr/bin/logger ]; then 1160 logger "$0: DEBUG: $*" 1161 fi 1162 echo 1>&2 "$0: DEBUG: $*" 1163 ;; 1164 esac 1165} 1166 1167# 1168# backup_file action file cur backup 1169# Make a backup copy of `file' into `cur', and save the previous 1170# version of `cur' as `backup' or use rcs for archiving. 1171# 1172# This routine checks the value of the backup_uses_rcs variable, 1173# which can be either YES or NO. 1174# 1175# The `action' keyword can be one of the following: 1176# 1177# add `file' is now being backed up (and is possibly 1178# being reentered into the backups system). `cur' 1179# is created and RCS files, if necessary, are 1180# created as well. 1181# 1182# update `file' has changed and needs to be backed up. 1183# If `cur' exists, it is copied to to `back' or 1184# checked into RCS (if the repository file is old), 1185# and then `file' is copied to `cur'. Another RCS 1186# check in done here if RCS is being used. 1187# 1188# remove `file' is no longer being tracked by the backups 1189# system. If RCS is not being used, `cur' is moved 1190# to `back', otherwise an empty file is checked in, 1191# and then `cur' is removed. 1192# 1193# 1194backup_file() 1195{ 1196 _action=$1 1197 _file=$2 1198 _cur=$3 1199 _back=$4 1200 1201 if checkyesno backup_uses_rcs; then 1202 _msg0="backup archive" 1203 _msg1="update" 1204 1205 # ensure that history file is not locked 1206 if [ -f $_cur,v ]; then 1207 rcs -q -u -U -M $_cur 1208 fi 1209 1210 # ensure after switching to rcs that the 1211 # current backup is not lost 1212 if [ -f $_cur ]; then 1213 # no archive, or current newer than archive 1214 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1215 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1216 rcs -q -kb -U $_cur 1217 co -q -f -u $_cur 1218 fi 1219 fi 1220 1221 case $_action in 1222 add|update) 1223 cp -p $_file $_cur 1224 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1225 rcs -q -kb -U $_cur 1226 co -q -f -u $_cur 1227 chown root:wheel $_cur $_cur,v 1228 ;; 1229 remove) 1230 cp /dev/null $_cur 1231 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1232 rcs -q -kb -U $_cur 1233 chown root:wheel $_cur $_cur,v 1234 rm $_cur 1235 ;; 1236 esac 1237 else 1238 case $_action in 1239 add|update) 1240 if [ -f $_cur ]; then 1241 cp -p $_cur $_back 1242 fi 1243 cp -p $_file $_cur 1244 chown root:wheel $_cur 1245 ;; 1246 remove) 1247 mv -f $_cur $_back 1248 ;; 1249 esac 1250 fi 1251} 1252 1253# make_symlink src link 1254# Make a symbolic link 'link' to src from basedir. If the 1255# directory in which link is to be created does not exist 1256# a warning will be displayed and an error will be returned. 1257# Returns 0 on sucess, 1 otherwise. 1258# 1259make_symlink() 1260{ 1261 local src link linkdir _me 1262 src="$1" 1263 link="$2" 1264 linkdir="`dirname $link`" 1265 _me="make_symlink()" 1266 1267 if [ -z "$src" -o -z "$link" ]; then 1268 warn "$_me: requires two arguments." 1269 return 1 1270 fi 1271 if [ ! -d "$linkdir" ]; then 1272 warn "$_me: the directory $linkdir does not exist." 1273 return 1 1274 fi 1275 if ! ln -sf $src $link; then 1276 warn "$_me: unable to make a symbolic link from $link to $src" 1277 return 1 1278 fi 1279 return 0 1280} 1281 1282# devfs_rulesets_from_file file 1283# Reads a set of devfs commands from file, and creates 1284# the specified rulesets with their rules. Returns non-zero 1285# if there was an error. 1286# 1287devfs_rulesets_from_file() 1288{ 1289 local file _err _me 1290 file="$1" 1291 _me="devfs_rulesets_from_file" 1292 _err=0 1293 1294 if [ -z "$file" ]; then 1295 warn "$_me: you must specify a file" 1296 return 1 1297 fi 1298 if [ ! -e "$file" ]; then 1299 debug "$_me: no such file ($file)" 1300 return 0 1301 fi 1302 debug "reading rulesets from file ($file)" 1303 { while read line 1304 do 1305 case $line in 1306 \#*) 1307 continue 1308 ;; 1309 \[*\]*) 1310 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1311 if [ -z "$rulenum" ]; then 1312 warn "$_me: cannot extract rule number ($line)" 1313 _err=1 1314 break 1315 fi 1316 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1317 if [ -z "$rulename" ]; then 1318 warn "$_me: cannot extract rule name ($line)" 1319 _err=1 1320 break; 1321 fi 1322 eval $rulename=\$rulenum 1323 debug "found ruleset: $rulename=$rulenum" 1324 if ! /sbin/devfs rule -s $rulenum delset; then 1325 _err=1 1326 break 1327 fi 1328 ;; 1329 *) 1330 rulecmd="${line%%"\#*"}" 1331 # evaluate the command incase it includes 1332 # other rules 1333 if [ -n "$rulecmd" ]; then 1334 debug "adding rule ($rulecmd)" 1335 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1336 then 1337 _err=1 1338 break 1339 fi 1340 fi 1341 ;; 1342 esac 1343 if [ $_err -ne 0 ]; then 1344 debug "error in $_me" 1345 break 1346 fi 1347 done } < $file 1348 return $_err 1349} 1350 1351# devfs_init_rulesets 1352# Initializes rulesets from configuration files. Returns 1353# non-zero if there was an error. 1354# 1355devfs_init_rulesets() 1356{ 1357 local file _me 1358 _me="devfs_init_rulesets" 1359 1360 # Go through this only once 1361 if [ -n "$devfs_rulesets_init" ]; then 1362 debug "$_me: devfs rulesets already initialized" 1363 return 1364 fi 1365 for file in $devfs_rulesets; do 1366 devfs_rulesets_from_file $file || return 1 1367 done 1368 devfs_rulesets_init=1 1369 debug "$_me: devfs rulesets initialized" 1370 return 0 1371} 1372 1373# devfs_set_ruleset ruleset [dir] 1374# Sets the default ruleset of dir to ruleset. The ruleset argument 1375# must be a ruleset name as specified in devfs.rules(5) file. 1376# Returns non-zero if it could not set it successfully. 1377# 1378devfs_set_ruleset() 1379{ 1380 local devdir rs _me 1381 [ -n "$1" ] && eval rs=\$$1 || rs= 1382 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1383 _me="devfs_set_ruleset" 1384 1385 if [ -z "$rs" ]; then 1386 warn "$_me: you must specify a ruleset number" 1387 return 1 1388 fi 1389 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1390 if ! /sbin/devfs $devdir ruleset $rs; then 1391 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1392 return 1 1393 fi 1394 return 0 1395} 1396 1397# devfs_apply_ruleset ruleset [dir] 1398# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1399# The ruleset argument must be a ruleset name as specified 1400# in a devfs.rules(5) file. Returns 0 on success or non-zero 1401# if it could not apply the ruleset. 1402# 1403devfs_apply_ruleset() 1404{ 1405 local devdir rs _me 1406 [ -n "$1" ] && eval rs=\$$1 || rs= 1407 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1408 _me="devfs_apply_ruleset" 1409 1410 if [ -z "$rs" ]; then 1411 warn "$_me: you must specify a ruleset" 1412 return 1 1413 fi 1414 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1415 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1416 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1417 return 1 1418 fi 1419 return 0 1420} 1421 1422# devfs_domount dir [ruleset] 1423# Mount devfs on dir. If ruleset is specified it is set 1424# on the mount-point. It must also be a ruleset name as specified 1425# in a devfs.rules(5) file. Returns 0 on success. 1426# 1427devfs_domount() 1428{ 1429 local devdir rs _me 1430 devdir="$1" 1431 [ -n "$2" ] && rs=$2 || rs= 1432 _me="devfs_domount()" 1433 1434 if [ -z "$devdir" ]; then 1435 warn "$_me: you must specify a mount-point" 1436 return 1 1437 fi 1438 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1439 if ! mount -t devfs dev "$devdir"; then 1440 warn "$_me: Unable to mount devfs on $devdir" 1441 return 1 1442 fi 1443 if [ -n "$rs" ]; then 1444 devfs_init_rulesets 1445 devfs_set_ruleset $rs $devdir 1446 devfs -m $devdir rule applyset 1447 fi 1448 return 0 1449} 1450 1451# devfs_mount_jail dir [ruleset] 1452# Mounts a devfs file system appropriate for jails 1453# on the directory dir. If ruleset is specified, the ruleset 1454# it names will be used instead. If present, ruleset must 1455# be the name of a ruleset as defined in a devfs.rules(5) file. 1456# This function returns non-zero if an error occurs. 1457# 1458devfs_mount_jail() 1459{ 1460 local jdev rs _me 1461 jdev="$1" 1462 [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1463 _me="devfs_mount_jail" 1464 1465 devfs_init_rulesets 1466 if ! devfs_domount "$jdev" $rs; then 1467 warn "$_me: devfs was not mounted on $jdev" 1468 return 1 1469 fi 1470 return 0 1471} 1472 1473# Provide a function for normalizing the mounting of memory 1474# filesystems. This should allow the rest of the code here to remain 1475# as close as possible between 5-current and 4-stable. 1476# $1 = size 1477# $2 = mount point 1478# $3 = (optional) extra mdmfs flags 1479mount_md() 1480{ 1481 if [ -n "$3" ]; then 1482 flags="$3" 1483 fi 1484 /sbin/mdmfs $flags -s $1 md $2 1485} 1486 1487# Code common to scripts that need to load a kernel module 1488# if it isn't in the kernel yet. Syntax: 1489# load_kld [-e regex] [-m module] file 1490# where -e or -m chooses the way to check if the module 1491# is already loaded: 1492# regex is egrep'd in the output from `kldstat -v', 1493# module is passed to `kldstat -m'. 1494# The default way is as though `-m file' were specified. 1495load_kld() 1496{ 1497 local _loaded _mod _opt _re 1498 1499 while getopts "e:m:" _opt; do 1500 case "$_opt" in 1501 e) _re="$OPTARG" ;; 1502 m) _mod="$OPTARG" ;; 1503 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1504 esac 1505 done 1506 shift $(($OPTIND - 1)) 1507 if [ $# -ne 1 ]; then 1508 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1509 fi 1510 _mod=${_mod:-$1} 1511 _loaded=false 1512 if [ -n "$_re" ]; then 1513 if kldstat -v | egrep -q -e "$_re"; then 1514 _loaded=true 1515 fi 1516 else 1517 if kldstat -q -m "$_mod"; then 1518 _loaded=true 1519 fi 1520 fi 1521 if ! $_loaded; then 1522 if ! kldload "$1"; then 1523 warn "Unable to load kernel module $1" 1524 return 1 1525 else 1526 info "$1 kernel module loaded." 1527 fi 1528 else 1529 debug "load_kld: $1 kernel module already loaded." 1530 fi 1531 return 0 1532} 1533 1534# ltr str src dst 1535# Change every $src in $str to $dst. 1536# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1537# awk(1). 1538ltr() 1539{ 1540 local _str _src _dst _out _com 1541 _str=$1 1542 _src=$2 1543 _dst=$3 1544 _out="" 1545 1546 IFS=${_src} 1547 for _com in ${_str}; do 1548 if [ -z "${_out}" ]; then 1549 _out="${_com}" 1550 else 1551 _out="${_out}${_dst}${_com}" 1552 fi 1553 done 1554 echo "${_out}" 1555} 1556 1557# Creates a list of providers for GELI encryption. 1558geli_make_list() 1559{ 1560 local devices devices2 1561 local provider mountpoint type options rest 1562 1563 # Create list of GELI providers from fstab. 1564 while read provider mountpoint type options rest ; do 1565 case ":${options}" in 1566 :*noauto*) 1567 noauto=yes 1568 ;; 1569 *) 1570 noauto=no 1571 ;; 1572 esac 1573 1574 case ":${provider}" in 1575 :#*) 1576 continue 1577 ;; 1578 *.eli) 1579 # Skip swap devices. 1580 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1581 continue 1582 fi 1583 devices="${devices} ${provider}" 1584 ;; 1585 esac 1586 done < /etc/fstab 1587 1588 # Append providers from geli_devices. 1589 devices="${devices} ${geli_devices}" 1590 1591 for provider in ${devices}; do 1592 provider=${provider%.eli} 1593 provider=${provider#/dev/} 1594 devices2="${devices2} ${provider}" 1595 done 1596 1597 echo ${devices2} 1598} 1599 1600# Find scripts in local_startup directories that use the old syntax 1601# 1602find_local_scripts_old () { 1603 zlist='' 1604 slist='' 1605 for dir in ${local_startup}; do 1606 if [ -d "${dir}" ]; then 1607 for file in ${dir}/[0-9]*.sh; do 1608 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1609 continue 1610 zlist="$zlist $file" 1611 done 1612 for file in ${dir}/[^0-9]*.sh; do 1613 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1614 continue 1615 slist="$slist $file" 1616 done 1617 fi 1618 done 1619} 1620 1621find_local_scripts_new () { 1622 local_rc='' 1623 for dir in ${local_startup}; do 1624 if [ -d "${dir}" ]; then 1625 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1626 case "$file" in 1627 *.sample) ;; 1628 *) if [ -x "$file" ]; then 1629 local_rc="${local_rc} ${file}" 1630 fi 1631 ;; 1632 esac 1633 done 1634 fi 1635 done 1636} 1637 1638# check_required_{before|after} command 1639# Check for things required by the command before and after its precmd, 1640# respectively. The two separate functions are needed because some 1641# conditions should prevent precmd from being run while other things 1642# depend on precmd having already been run. 1643# 1644check_required_before() 1645{ 1646 local _f 1647 1648 case "$1" in 1649 start) 1650 for _f in $required_vars; do 1651 if ! checkyesno $_f; then 1652 warn "\$${_f} is not enabled." 1653 if [ -z "$rc_force" ]; then 1654 return 1 1655 fi 1656 fi 1657 done 1658 1659 for _f in $required_dirs; do 1660 if [ ! -d "${_f}/." ]; then 1661 warn "${_f} is not a directory." 1662 if [ -z "$rc_force" ]; then 1663 return 1 1664 fi 1665 fi 1666 done 1667 1668 for _f in $required_files; do 1669 if [ ! -r "${_f}" ]; then 1670 warn "${_f} is not readable." 1671 if [ -z "$rc_force" ]; then 1672 return 1 1673 fi 1674 fi 1675 done 1676 ;; 1677 esac 1678 1679 return 0 1680} 1681 1682check_required_after() 1683{ 1684 local _f _args 1685 1686 case "$1" in 1687 start) 1688 for _f in $required_modules; do 1689 case "${_f}" in 1690 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1691 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1692 *) _args="${_f}" ;; 1693 esac 1694 if ! load_kld ${_args}; then 1695 if [ -z "$rc_force" ]; then 1696 return 1 1697 fi 1698 fi 1699 done 1700 ;; 1701 esac 1702 1703 return 0 1704} 1705 1706fi 1707 1708# _echoonce var msg mode 1709# mode=0: Echo $msg if ${$var} is empty. 1710# After doing echo, a string is set to ${$var}. 1711# 1712# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1713# 1714_echoonce() 1715{ 1716 local _var _msg _mode 1717 _var=`eval echo \\$$1` 1718 _msg=$2 1719 _mode=$3 1720 1721 case $_mode in 1722 1) [ -n "$_var" ] && echo "$_msg" ;; 1723 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1724 esac 1725} 1726 1727_rc_subr_loaded=: 1728