rc.subr revision 197144
1# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 2# $FreeBSD: head/etc/rc.subr 197144 2009-09-12 22:19:48Z hrs $ 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 sleep 2 394 done 395 if [ -n "$_prefix" ]; then 396 echo "." 397 fi 398} 399 400# 401# run_rc_command argument 402# Search for argument in the list of supported commands, which is: 403# "start stop restart rcvar status poll ${extra_commands}" 404# If there's a match, run ${argument}_cmd or the default method 405# (see below). 406# 407# If argument has a given prefix, then change the operation as follows: 408# Prefix Operation 409# ------ --------- 410# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 411# force Set ${rcvar} to YES, and set rc_force=yes 412# one Set ${rcvar} to YES 413# quiet Don't output some diagnostics, and set rc_quiet=yes 414# 415# The following globals are used: 416# 417# Name Needed Purpose 418# ---- ------ ------- 419# name y Name of script. 420# 421# command n Full path to command. 422# Not needed if ${rc_arg}_cmd is set for 423# each keyword. 424# 425# command_args n Optional args/shell directives for command. 426# 427# command_interpreter n If not empty, command is interpreted, so 428# call check_{pidfile,process}() appropriately. 429# 430# desc n Description of script. 431# 432# extra_commands n List of extra commands supported. 433# 434# pidfile n If set, use check_pidfile $pidfile $command, 435# otherwise use check_process $command. 436# In either case, only check if $command is set. 437# 438# procname n Process name to check for instead of $command. 439# 440# rcvar n This is checked with checkyesno to determine 441# if the action should be run. 442# 443# ${name}_program n Full path to command. 444# Meant to be used in /etc/rc.conf to override 445# ${command}. 446# 447# ${name}_chroot n Directory to chroot to before running ${command} 448# Requires /usr to be mounted. 449# 450# ${name}_chdir n Directory to cd to before running ${command} 451# (if not using ${name}_chroot). 452# 453# ${name}_flags n Arguments to call ${command} with. 454# NOTE: $flags from the parent environment 455# can be used to override this. 456# 457# ${name}_nice n Nice level to run ${command} at. 458# 459# ${name}_user n User to run ${command} as, using su(1) if not 460# using ${name}_chroot. 461# Requires /usr to be mounted. 462# 463# ${name}_group n Group to run chrooted ${command} as. 464# Requires /usr to be mounted. 465# 466# ${name}_groups n Comma separated list of supplementary groups 467# to run the chrooted ${command} with. 468# Requires /usr to be mounted. 469# 470# ${rc_arg}_cmd n If set, use this as the method when invoked; 471# Otherwise, use default command (see below) 472# 473# ${rc_arg}_precmd n If set, run just before performing the 474# ${rc_arg}_cmd method in the default 475# operation (i.e, after checking for required 476# bits and process (non)existence). 477# If this completes with a non-zero exit code, 478# don't run ${rc_arg}_cmd. 479# 480# ${rc_arg}_postcmd n If set, run just after performing the 481# ${rc_arg}_cmd method, if that method 482# returned a zero exit code. 483# 484# required_dirs n If set, check for the existence of the given 485# directories before running a (re)start command. 486# 487# required_files n If set, check for the readability of the given 488# files before running a (re)start command. 489# 490# required_modules n If set, ensure the given kernel modules are 491# loaded before running a (re)start command. 492# The check and possible loads are actually 493# done after start_precmd so that the modules 494# aren't loaded in vain, should the precmd 495# return a non-zero status to indicate a error. 496# If a word in the list looks like "foo:bar", 497# "foo" is the KLD file name and "bar" is the 498# module name. If a word looks like "foo~bar", 499# "foo" is the KLD file name and "bar" is a 500# egrep(1) pattern matching the module name. 501# Otherwise the module name is assumed to be 502# the same as the KLD file name, which is most 503# common. See load_kld(). 504# 505# required_vars n If set, perform checkyesno on each of the 506# listed variables before running the default 507# (re)start command. 508# 509# Default behaviour for a given argument, if no override method is 510# provided: 511# 512# Argument Default behaviour 513# -------- ----------------- 514# start if !running && checkyesno ${rcvar} 515# ${command} 516# 517# stop if ${pidfile} 518# rc_pid=$(check_pidfile $pidfile $command) 519# else 520# rc_pid=$(check_process $command) 521# kill $sig_stop $rc_pid 522# wait_for_pids $rc_pid 523# ($sig_stop defaults to TERM.) 524# 525# reload Similar to stop, except use $sig_reload instead, 526# and doesn't wait_for_pids. 527# $sig_reload defaults to HUP. 528# Note that `reload' isn't provided by default, 529# it should be enabled via $extra_commands. 530# 531# restart Run `stop' then `start'. 532# 533# status Show if ${command} is running, etc. 534# 535# poll Wait for ${command} to exit. 536# 537# rcvar Display what rc.conf variable is used (if any). 538# 539# Variables available to methods, and after run_rc_command() has 540# completed: 541# 542# Variable Purpose 543# -------- ------- 544# rc_arg Argument to command, after fast/force/one processing 545# performed 546# 547# rc_flags Flags to start the default command with. 548# Defaults to ${name}_flags, unless overridden 549# by $flags from the environment. 550# This variable may be changed by the precmd method. 551# 552# rc_pid PID of command (if appropriate) 553# 554# rc_fast Not empty if "fast" was provided (q.v.) 555# 556# rc_force Not empty if "force" was provided (q.v.) 557# 558# rc_quiet Not empty if "quiet" was provided 559# 560# 561run_rc_command() 562{ 563 _return=0 564 rc_arg=$1 565 if [ -z "$name" ]; then 566 err 3 'run_rc_command: $name is not set.' 567 fi 568 569 # Don't repeat the first argument when passing additional command- 570 # line arguments to the command subroutines. 571 # 572 shift 1 573 rc_extra_args="$*" 574 575 _rc_prefix= 576 case "$rc_arg" in 577 fast*) # "fast" prefix; don't check pid 578 rc_arg=${rc_arg#fast} 579 rc_fast=yes 580 rc_quiet=yes 581 ;; 582 force*) # "force prefix; always run 583 rc_force=yes 584 _rc_prefix=force 585 rc_arg=${rc_arg#${_rc_prefix}} 586 if [ -n "${rcvar}" ]; then 587 eval ${rcvar}=YES 588 fi 589 ;; 590 one*) # "one" prefix; set ${rcvar}=yes 591 _rc_prefix=one 592 rc_arg=${rc_arg#${_rc_prefix}} 593 if [ -n "${rcvar}" ]; then 594 eval ${rcvar}=YES 595 fi 596 ;; 597 quiet*) # "quiet" prefix; omit some messages 598 _rc_prefix=quiet 599 rc_arg=${rc_arg#${_rc_prefix}} 600 rc_quiet=yes 601 ;; 602 esac 603 604 eval _override_command=\$${name}_program 605 command=${command:-${_override_command}} 606 607 _keywords="start stop restart rcvar $extra_commands" 608 rc_pid= 609 _pidcmd= 610 _procname=${procname:-${command}} 611 612 # setup pid check command 613 if [ -n "$_procname" ]; then 614 if [ -n "$pidfile" ]; then 615 _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 616 else 617 _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 618 fi 619 if [ -n "$_pidcmd" ]; then 620 _keywords="${_keywords} status poll" 621 fi 622 fi 623 624 if [ -z "$rc_arg" ]; then 625 rc_usage $_keywords 626 fi 627 628 if [ -n "$flags" ]; then # allow override from environment 629 rc_flags=$flags 630 else 631 eval rc_flags=\$${name}_flags 632 fi 633 eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 634 _nice=\$${name}_nice _user=\$${name}_user \ 635 _group=\$${name}_group _groups=\$${name}_groups 636 637 if [ -n "$_user" ]; then # unset $_user if running as that user 638 if [ "$_user" = "$(eval $IDCMD)" ]; then 639 unset _user 640 fi 641 fi 642 643 eval $_pidcmd # determine the pid if necessary 644 645 for _elem in $_keywords; do 646 if [ "$_elem" != "$rc_arg" ]; then 647 continue 648 fi 649 # if ${rcvar} is set, and $1 is not 650 # "rcvar", then run 651 # checkyesno ${rcvar} 652 # and return if that failed 653 # 654 if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 655 if ! checkyesno ${rcvar}; then 656 if [ -n "${rc_quiet}" ]; then 657 return 0 658 fi 659 echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 660 echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 661 echo "instead of '${rc_arg}'." 662 return 0 663 fi 664 fi 665 666 # if there's a custom ${XXX_cmd}, 667 # run that instead of the default 668 # 669 eval _cmd=\$${rc_arg}_cmd \ 670 _precmd=\$${rc_arg}_precmd \ 671 _postcmd=\$${rc_arg}_postcmd 672 673 if [ -n "$_cmd" ]; then 674 _run_rc_precmd || return 1 675 _run_rc_doit "$_cmd $rc_extra_args" || return 1 676 _run_rc_postcmd 677 return $_return 678 fi 679 680 case "$rc_arg" in # default operations... 681 682 status) 683 _run_rc_precmd || return 1 684 if [ -n "$rc_pid" ]; then 685 echo "${name} is running as pid $rc_pid." 686 else 687 echo "${name} is not running." 688 return 1 689 fi 690 _run_rc_postcmd 691 ;; 692 693 start) 694 if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 695 echo 1>&2 "${name} already running? (pid=$rc_pid)." 696 return 1 697 fi 698 699 if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 700 warn "run_rc_command: cannot run $command" 701 return 1 702 fi 703 704 if ! _run_rc_precmd; then 705 warn "failed precmd routine for ${name}" 706 return 1 707 fi 708 709 # setup the full command to run 710 # 711 [ -z "${rc_quiet}" ] && echo "Starting ${name}." 712 if [ -n "$_chroot" ]; then 713 _doit="\ 714${_nice:+nice -n $_nice }\ 715chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 716$_chroot $command $rc_flags $command_args" 717 else 718 _doit="\ 719${_chdir:+cd $_chdir && }\ 720$command $rc_flags $command_args" 721 if [ -n "$_user" ]; then 722 _doit="su -m $_user -c 'sh -c \"$_doit\"'" 723 fi 724 if [ -n "$_nice" ]; then 725 if [ -z "$_user" ]; then 726 _doit="sh -c \"$_doit\"" 727 fi 728 _doit="nice -n $_nice $_doit" 729 fi 730 fi 731 732 # run the full command 733 # 734 if ! _run_rc_doit "$_doit"; then 735 warn "failed to start ${name}" 736 return 1 737 fi 738 739 # finally, run postcmd 740 # 741 _run_rc_postcmd 742 ;; 743 744 stop) 745 if [ -z "$rc_pid" ]; then 746 [ -n "$rc_fast" ] && return 0 747 _run_rc_notrunning 748 return 1 749 fi 750 751 _run_rc_precmd || return 1 752 753 # send the signal to stop 754 # 755 echo "Stopping ${name}." 756 _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 757 _run_rc_doit "$_doit" || return 1 758 759 # wait for the command to exit, 760 # and run postcmd. 761 wait_for_pids $rc_pid 762 763 _run_rc_postcmd 764 ;; 765 766 reload) 767 if [ -z "$rc_pid" ]; then 768 _run_rc_notrunning 769 return 1 770 fi 771 772 _run_rc_precmd || return 1 773 774 _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 775 _run_rc_doit "$_doit" || return 1 776 777 _run_rc_postcmd 778 ;; 779 780 restart) 781 # prevent restart being called more 782 # than once by any given script 783 # 784 if ${_rc_restart_done:-false}; then 785 return 0 786 fi 787 _rc_restart_done=true 788 789 _run_rc_precmd || return 1 790 791 # run those in a subshell to keep global variables 792 ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 793 ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 794 _return=$? 795 [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 796 797 _run_rc_postcmd 798 ;; 799 800 poll) 801 _run_rc_precmd || return 1 802 if [ -n "$rc_pid" ]; then 803 wait_for_pids $rc_pid 804 fi 805 _run_rc_postcmd 806 ;; 807 808 rcvar) 809 echo -n "# $name" 810 if [ -n "$desc" ]; then 811 echo " : $desc" 812 else 813 echo "" 814 fi 815 echo "#" 816 # Get unique vars in $rcvar $rcvars 817 for _v in $rcvar $rcvars; do 818 case $v in 819 $_v\ *|\ *$_v|*\ $_v\ *) ;; 820 *) v="${v# } $_v" ;; 821 esac 822 done 823 824 # Display variables. 825 for _v in $v; do 826 if [ -z "$_v" ]; then 827 continue 828 fi 829 830 eval _desc=\$${_v}_desc 831 eval _defval=\$${_v}_defval 832 _h="-" 833 834 eval echo \"$_v=\\\"\$$_v\\\"\" 835 # decode multiple lines of _desc 836 while [ -n "$_desc" ]; do 837 case $_desc in 838 *^^*) 839 echo "# $_h ${_desc%%^^*}" 840 _desc=${_desc#*^^} 841 _h=" " 842 ;; 843 *) 844 echo "# $_h ${_desc}" 845 break 846 ;; 847 esac 848 done 849 echo "# (default: \"$_defval\")" 850 done 851 echo "" 852 ;; 853 854 *) 855 rc_usage $_keywords 856 ;; 857 858 esac 859 return $_return 860 done 861 862 echo 1>&2 "$0: unknown directive '$rc_arg'." 863 rc_usage $_keywords 864 # not reached 865} 866 867# 868# Helper functions for run_rc_command: common code. 869# They use such global variables besides the exported rc_* ones: 870# 871# name R/W 872# ------------------ 873# _precmd R 874# _postcmd R 875# _return W 876# 877_run_rc_precmd() 878{ 879 check_required_before "$rc_arg" || return 1 880 881 if [ -n "$_precmd" ]; then 882 debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 883 eval "$_precmd $rc_extra_args" 884 _return=$? 885 886 # If precmd failed and force isn't set, request exit. 887 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 888 return 1 889 fi 890 fi 891 892 check_required_after "$rc_arg" || return 1 893 894 return 0 895} 896 897_run_rc_postcmd() 898{ 899 if [ -n "$_postcmd" ]; then 900 debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 901 eval "$_postcmd $rc_extra_args" 902 _return=$? 903 fi 904 return 0 905} 906 907_run_rc_doit() 908{ 909 debug "run_rc_command: doit: $*" 910 eval "$@" 911 _return=$? 912 913 # If command failed and force isn't set, request exit. 914 if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 915 return 1 916 fi 917 918 return 0 919} 920 921_run_rc_notrunning() 922{ 923 local _pidmsg 924 925 if [ -n "$pidfile" ]; then 926 _pidmsg=" (check $pidfile)." 927 else 928 _pidmsg= 929 fi 930 echo 1>&2 "${name} not running?${_pidmsg}" 931} 932 933_run_rc_killcmd() 934{ 935 local _cmd 936 937 _cmd="kill -$1 $rc_pid" 938 if [ -n "$_user" ]; then 939 _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 940 fi 941 echo "$_cmd" 942} 943 944# 945# run_rc_script file arg 946# Start the script `file' with `arg', and correctly handle the 947# return value from the script. If `file' ends with `.sh', it's 948# sourced into the current environment. If `file' appears to be 949# a backup or scratch file, ignore it. Otherwise if it's 950# executable run as a child process. 951# 952run_rc_script() 953{ 954 _file=$1 955 _arg=$2 956 if [ -z "$_file" -o -z "$_arg" ]; then 957 err 3 'USAGE: run_rc_script file arg' 958 fi 959 960 unset name command command_args command_interpreter \ 961 extra_commands pidfile procname \ 962 rcvar rcvars rcvars_obsolete required_dirs required_files \ 963 required_vars 964 eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 965 966 case "$_file" in 967 /etc/rc.d/*.sh) # no longer allowed in the base 968 warn "Ignoring old-style startup script $_file" 969 ;; 970 *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 971 warn "Ignoring scratch file $_file" 972 ;; 973 *) # run in subshell 974 if [ -x $_file ]; then 975 if [ -n "$rc_fast_and_loose" ]; then 976 set $_arg; . $_file 977 else 978 ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 979 trap "echo Script $_file interrupted; exit 1" 2 980 trap "echo Script $_file running" 29 981 set $_arg; . $_file ) 982 fi 983 fi 984 ;; 985 esac 986} 987 988# 989# load_rc_config name 990# Source in the configuration file for a given name. 991# 992load_rc_config() 993{ 994 local _name _var _defval _v _msg _new 995 _name=$1 996 if [ -z "$_name" ]; then 997 err 3 'USAGE: load_rc_config name' 998 fi 999 1000 if ${_rc_conf_loaded:-false}; then 1001 : 1002 else 1003 if [ -r /etc/defaults/rc.conf ]; then 1004 debug "Sourcing /etc/defaults/rc.conf" 1005 . /etc/defaults/rc.conf 1006 source_rc_confs 1007 elif [ -r /etc/rc.conf ]; then 1008 debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 1009 . /etc/rc.conf 1010 fi 1011 _rc_conf_loaded=true 1012 fi 1013 if [ -f /etc/rc.conf.d/"$_name" ]; then 1014 debug "Sourcing /etc/rc.conf.d/${_name}" 1015 . /etc/rc.conf.d/"$_name" 1016 fi 1017 1018 # Old variable names support 1019 # 1020 [ -n "$enable_quotas" ] && quota_enable="$enable_quotas" 1021 1022 # Set defaults if defined. 1023 for _var in $rcvar $rcvars; do 1024 _defval=`eval echo "\\\$${_var}_defval"` 1025 if [ -n "$_defval" ]; then 1026 eval : \${$_var:=\$${_var}_defval} 1027 fi 1028 done 1029 1030 # check obsolete rc.conf variables 1031 for _var in $rcvars_obsolete; do 1032 _v=`eval echo \\$$_var` 1033 _msg=`eval echo \\$${_var}_obsolete_msg` 1034 _new=`eval echo \\$${_var}_newvar` 1035 case $_v in 1036 "") 1037 ;; 1038 *) 1039 if [ -z "$_new" ]; then 1040 _msg="Ignored." 1041 else 1042 eval $_new=\"\$$_var\" 1043 if [ -z "$_msg" ]; then 1044 _msg="Use \$$_new instead." 1045 fi 1046 fi 1047 warn "\$$_var is obsolete. $_msg" 1048 ;; 1049 esac 1050 done 1051} 1052 1053# 1054# load_rc_config_var name var 1055# Read the rc.conf(5) var for name and set in the 1056# current shell, using load_rc_config in a subshell to prevent 1057# unwanted side effects from other variable assignments. 1058# 1059load_rc_config_var() 1060{ 1061 if [ $# -ne 2 ]; then 1062 err 3 'USAGE: load_rc_config_var name var' 1063 fi 1064 eval $(eval '( 1065 load_rc_config '$1' >/dev/null; 1066 if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1067 echo '$2'=\'\''${'$2'}\'\''; 1068 fi 1069 )' ) 1070} 1071 1072# 1073# rc_usage commands 1074# Print a usage string for $0, with `commands' being a list of 1075# valid commands. 1076# 1077rc_usage() 1078{ 1079 echo -n 1>&2 "Usage: $0 [fast|force|one](" 1080 1081 _sep= 1082 for _elem; do 1083 echo -n 1>&2 "$_sep$_elem" 1084 _sep="|" 1085 done 1086 echo 1>&2 ")" 1087 exit 1 1088} 1089 1090# 1091# err exitval message 1092# Display message to stderr and log to the syslog, and exit with exitval. 1093# 1094err() 1095{ 1096 exitval=$1 1097 shift 1098 1099 if [ -x /usr/bin/logger ]; then 1100 logger "$0: ERROR: $*" 1101 fi 1102 echo 1>&2 "$0: ERROR: $*" 1103 exit $exitval 1104} 1105 1106# 1107# warn message 1108# Display message to stderr and log to the syslog. 1109# 1110warn() 1111{ 1112 if [ -x /usr/bin/logger ]; then 1113 logger "$0: WARNING: $*" 1114 fi 1115 echo 1>&2 "$0: WARNING: $*" 1116} 1117 1118# 1119# info message 1120# Display informational message to stdout and log to syslog. 1121# 1122info() 1123{ 1124 case ${rc_info} in 1125 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1126 if [ -x /usr/bin/logger ]; then 1127 logger "$0: INFO: $*" 1128 fi 1129 echo "$0: INFO: $*" 1130 ;; 1131 esac 1132} 1133 1134# 1135# debug message 1136# If debugging is enabled in rc.conf output message to stderr. 1137# BEWARE that you don't call any subroutine that itself calls this 1138# function. 1139# 1140debug() 1141{ 1142 case ${rc_debug} in 1143 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1144 if [ -x /usr/bin/logger ]; then 1145 logger "$0: DEBUG: $*" 1146 fi 1147 echo 1>&2 "$0: DEBUG: $*" 1148 ;; 1149 esac 1150} 1151 1152# 1153# backup_file action file cur backup 1154# Make a backup copy of `file' into `cur', and save the previous 1155# version of `cur' as `backup' or use rcs for archiving. 1156# 1157# This routine checks the value of the backup_uses_rcs variable, 1158# which can be either YES or NO. 1159# 1160# The `action' keyword can be one of the following: 1161# 1162# add `file' is now being backed up (and is possibly 1163# being reentered into the backups system). `cur' 1164# is created and RCS files, if necessary, are 1165# created as well. 1166# 1167# update `file' has changed and needs to be backed up. 1168# If `cur' exists, it is copied to to `back' or 1169# checked into RCS (if the repository file is old), 1170# and then `file' is copied to `cur'. Another RCS 1171# check in done here if RCS is being used. 1172# 1173# remove `file' is no longer being tracked by the backups 1174# system. If RCS is not being used, `cur' is moved 1175# to `back', otherwise an empty file is checked in, 1176# and then `cur' is removed. 1177# 1178# 1179backup_file() 1180{ 1181 _action=$1 1182 _file=$2 1183 _cur=$3 1184 _back=$4 1185 1186 if checkyesno backup_uses_rcs; then 1187 _msg0="backup archive" 1188 _msg1="update" 1189 1190 # ensure that history file is not locked 1191 if [ -f $_cur,v ]; then 1192 rcs -q -u -U -M $_cur 1193 fi 1194 1195 # ensure after switching to rcs that the 1196 # current backup is not lost 1197 if [ -f $_cur ]; then 1198 # no archive, or current newer than archive 1199 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1200 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1201 rcs -q -kb -U $_cur 1202 co -q -f -u $_cur 1203 fi 1204 fi 1205 1206 case $_action in 1207 add|update) 1208 cp -p $_file $_cur 1209 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1210 rcs -q -kb -U $_cur 1211 co -q -f -u $_cur 1212 chown root:wheel $_cur $_cur,v 1213 ;; 1214 remove) 1215 cp /dev/null $_cur 1216 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1217 rcs -q -kb -U $_cur 1218 chown root:wheel $_cur $_cur,v 1219 rm $_cur 1220 ;; 1221 esac 1222 else 1223 case $_action in 1224 add|update) 1225 if [ -f $_cur ]; then 1226 cp -p $_cur $_back 1227 fi 1228 cp -p $_file $_cur 1229 chown root:wheel $_cur 1230 ;; 1231 remove) 1232 mv -f $_cur $_back 1233 ;; 1234 esac 1235 fi 1236} 1237 1238# make_symlink src link 1239# Make a symbolic link 'link' to src from basedir. If the 1240# directory in which link is to be created does not exist 1241# a warning will be displayed and an error will be returned. 1242# Returns 0 on sucess, 1 otherwise. 1243# 1244make_symlink() 1245{ 1246 local src link linkdir _me 1247 src="$1" 1248 link="$2" 1249 linkdir="`dirname $link`" 1250 _me="make_symlink()" 1251 1252 if [ -z "$src" -o -z "$link" ]; then 1253 warn "$_me: requires two arguments." 1254 return 1 1255 fi 1256 if [ ! -d "$linkdir" ]; then 1257 warn "$_me: the directory $linkdir does not exist." 1258 return 1 1259 fi 1260 if ! ln -sf $src $link; then 1261 warn "$_me: unable to make a symbolic link from $link to $src" 1262 return 1 1263 fi 1264 return 0 1265} 1266 1267# devfs_rulesets_from_file file 1268# Reads a set of devfs commands from file, and creates 1269# the specified rulesets with their rules. Returns non-zero 1270# if there was an error. 1271# 1272devfs_rulesets_from_file() 1273{ 1274 local file _err _me 1275 file="$1" 1276 _me="devfs_rulesets_from_file" 1277 _err=0 1278 1279 if [ -z "$file" ]; then 1280 warn "$_me: you must specify a file" 1281 return 1 1282 fi 1283 if [ ! -e "$file" ]; then 1284 debug "$_me: no such file ($file)" 1285 return 0 1286 fi 1287 debug "reading rulesets from file ($file)" 1288 { while read line 1289 do 1290 case $line in 1291 \#*) 1292 continue 1293 ;; 1294 \[*\]*) 1295 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1296 if [ -z "$rulenum" ]; then 1297 warn "$_me: cannot extract rule number ($line)" 1298 _err=1 1299 break 1300 fi 1301 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1302 if [ -z "$rulename" ]; then 1303 warn "$_me: cannot extract rule name ($line)" 1304 _err=1 1305 break; 1306 fi 1307 eval $rulename=\$rulenum 1308 debug "found ruleset: $rulename=$rulenum" 1309 if ! /sbin/devfs rule -s $rulenum delset; then 1310 _err=1 1311 break 1312 fi 1313 ;; 1314 *) 1315 rulecmd="${line%%"\#*"}" 1316 # evaluate the command incase it includes 1317 # other rules 1318 if [ -n "$rulecmd" ]; then 1319 debug "adding rule ($rulecmd)" 1320 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1321 then 1322 _err=1 1323 break 1324 fi 1325 fi 1326 ;; 1327 esac 1328 if [ $_err -ne 0 ]; then 1329 debug "error in $_me" 1330 break 1331 fi 1332 done } < $file 1333 return $_err 1334} 1335 1336# devfs_init_rulesets 1337# Initializes rulesets from configuration files. Returns 1338# non-zero if there was an error. 1339# 1340devfs_init_rulesets() 1341{ 1342 local file _me 1343 _me="devfs_init_rulesets" 1344 1345 # Go through this only once 1346 if [ -n "$devfs_rulesets_init" ]; then 1347 debug "$_me: devfs rulesets already initialized" 1348 return 1349 fi 1350 for file in $devfs_rulesets; do 1351 devfs_rulesets_from_file $file || return 1 1352 done 1353 devfs_rulesets_init=1 1354 debug "$_me: devfs rulesets initialized" 1355 return 0 1356} 1357 1358# devfs_set_ruleset ruleset [dir] 1359# Sets the default ruleset of dir to ruleset. The ruleset argument 1360# must be a ruleset name as specified in devfs.rules(5) file. 1361# Returns non-zero if it could not set it successfully. 1362# 1363devfs_set_ruleset() 1364{ 1365 local devdir rs _me 1366 [ -n "$1" ] && eval rs=\$$1 || rs= 1367 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1368 _me="devfs_set_ruleset" 1369 1370 if [ -z "$rs" ]; then 1371 warn "$_me: you must specify a ruleset number" 1372 return 1 1373 fi 1374 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1375 if ! /sbin/devfs $devdir ruleset $rs; then 1376 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1377 return 1 1378 fi 1379 return 0 1380} 1381 1382# devfs_apply_ruleset ruleset [dir] 1383# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1384# The ruleset argument must be a ruleset name as specified 1385# in a devfs.rules(5) file. Returns 0 on success or non-zero 1386# if it could not apply the ruleset. 1387# 1388devfs_apply_ruleset() 1389{ 1390 local devdir rs _me 1391 [ -n "$1" ] && eval rs=\$$1 || rs= 1392 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1393 _me="devfs_apply_ruleset" 1394 1395 if [ -z "$rs" ]; then 1396 warn "$_me: you must specify a ruleset" 1397 return 1 1398 fi 1399 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1400 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1401 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1402 return 1 1403 fi 1404 return 0 1405} 1406 1407# devfs_domount dir [ruleset] 1408# Mount devfs on dir. If ruleset is specified it is set 1409# on the mount-point. It must also be a ruleset name as specified 1410# in a devfs.rules(5) file. Returns 0 on success. 1411# 1412devfs_domount() 1413{ 1414 local devdir rs _me 1415 devdir="$1" 1416 [ -n "$2" ] && rs=$2 || rs= 1417 _me="devfs_domount()" 1418 1419 if [ -z "$devdir" ]; then 1420 warn "$_me: you must specify a mount-point" 1421 return 1 1422 fi 1423 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1424 if ! mount -t devfs dev "$devdir"; then 1425 warn "$_me: Unable to mount devfs on $devdir" 1426 return 1 1427 fi 1428 if [ -n "$rs" ]; then 1429 devfs_init_rulesets 1430 devfs_set_ruleset $rs $devdir 1431 devfs -m $devdir rule applyset 1432 fi 1433 return 0 1434} 1435 1436# devfs_mount_jail dir [ruleset] 1437# Mounts a devfs file system appropriate for jails 1438# on the directory dir. If ruleset is specified, the ruleset 1439# it names will be used instead. If present, ruleset must 1440# be the name of a ruleset as defined in a devfs.rules(5) file. 1441# This function returns non-zero if an error occurs. 1442# 1443devfs_mount_jail() 1444{ 1445 local jdev rs _me 1446 jdev="$1" 1447 [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1448 _me="devfs_mount_jail" 1449 1450 devfs_init_rulesets 1451 if ! devfs_domount "$jdev" $rs; then 1452 warn "$_me: devfs was not mounted on $jdev" 1453 return 1 1454 fi 1455 return 0 1456} 1457 1458# Provide a function for normalizing the mounting of memory 1459# filesystems. This should allow the rest of the code here to remain 1460# as close as possible between 5-current and 4-stable. 1461# $1 = size 1462# $2 = mount point 1463# $3 = (optional) extra mdmfs flags 1464mount_md() 1465{ 1466 if [ -n "$3" ]; then 1467 flags="$3" 1468 fi 1469 /sbin/mdmfs $flags -s $1 md $2 1470} 1471 1472# Code common to scripts that need to load a kernel module 1473# if it isn't in the kernel yet. Syntax: 1474# load_kld [-e regex] [-m module] file 1475# where -e or -m chooses the way to check if the module 1476# is already loaded: 1477# regex is egrep'd in the output from `kldstat -v', 1478# module is passed to `kldstat -m'. 1479# The default way is as though `-m file' were specified. 1480load_kld() 1481{ 1482 local _loaded _mod _opt _re 1483 1484 while getopts "e:m:" _opt; do 1485 case "$_opt" in 1486 e) _re="$OPTARG" ;; 1487 m) _mod="$OPTARG" ;; 1488 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1489 esac 1490 done 1491 shift $(($OPTIND - 1)) 1492 if [ $# -ne 1 ]; then 1493 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1494 fi 1495 _mod=${_mod:-$1} 1496 _loaded=false 1497 if [ -n "$_re" ]; then 1498 if kldstat -v | egrep -q -e "$_re"; then 1499 _loaded=true 1500 fi 1501 else 1502 if kldstat -q -m "$_mod"; then 1503 _loaded=true 1504 fi 1505 fi 1506 if ! $_loaded; then 1507 if ! kldload "$1"; then 1508 warn "Unable to load kernel module $1" 1509 return 1 1510 else 1511 info "$1 kernel module loaded." 1512 fi 1513 else 1514 debug "load_kld: $1 kernel module already loaded." 1515 fi 1516 return 0 1517} 1518 1519# ltr str src dst 1520# Change every $src in $str to $dst. 1521# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1522# awk(1). 1523ltr() 1524{ 1525 local _str _src _dst _out _com 1526 _str=$1 1527 _src=$2 1528 _dst=$3 1529 _out="" 1530 1531 IFS=${_src} 1532 for _com in ${_str}; do 1533 if [ -z "${_out}" ]; then 1534 _out="${_com}" 1535 else 1536 _out="${_out}${_dst}${_com}" 1537 fi 1538 done 1539 echo "${_out}" 1540} 1541 1542# Creates a list of providers for GELI encryption. 1543geli_make_list() 1544{ 1545 local devices devices2 1546 local provider mountpoint type options rest 1547 1548 # Create list of GELI providers from fstab. 1549 while read provider mountpoint type options rest ; do 1550 case ":${options}" in 1551 :*noauto*) 1552 noauto=yes 1553 ;; 1554 *) 1555 noauto=no 1556 ;; 1557 esac 1558 1559 case ":${provider}" in 1560 :#*) 1561 continue 1562 ;; 1563 *.eli) 1564 # Skip swap devices. 1565 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1566 continue 1567 fi 1568 devices="${devices} ${provider}" 1569 ;; 1570 esac 1571 done < /etc/fstab 1572 1573 # Append providers from geli_devices. 1574 devices="${devices} ${geli_devices}" 1575 1576 for provider in ${devices}; do 1577 provider=${provider%.eli} 1578 provider=${provider#/dev/} 1579 devices2="${devices2} ${provider}" 1580 done 1581 1582 echo ${devices2} 1583} 1584 1585# Find scripts in local_startup directories that use the old syntax 1586# 1587find_local_scripts_old () { 1588 zlist='' 1589 slist='' 1590 for dir in ${local_startup}; do 1591 if [ -d "${dir}" ]; then 1592 for file in ${dir}/[0-9]*.sh; do 1593 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1594 continue 1595 zlist="$zlist $file" 1596 done 1597 for file in ${dir}/[^0-9]*.sh; do 1598 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1599 continue 1600 slist="$slist $file" 1601 done 1602 fi 1603 done 1604} 1605 1606find_local_scripts_new () { 1607 local_rc='' 1608 for dir in ${local_startup}; do 1609 if [ -d "${dir}" ]; then 1610 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1611 case "$file" in 1612 *.sample) ;; 1613 *) if [ -x "$file" ]; then 1614 local_rc="${local_rc} ${file}" 1615 fi 1616 ;; 1617 esac 1618 done 1619 fi 1620 done 1621} 1622 1623# check_required_{before|after} command 1624# Check for things required by the command before and after its precmd, 1625# respectively. The two separate functions are needed because some 1626# conditions should prevent precmd from being run while other things 1627# depend on precmd having already been run. 1628# 1629check_required_before() 1630{ 1631 local _f 1632 1633 case "$1" in 1634 start) 1635 for _f in $required_vars; do 1636 if ! checkyesno $_f; then 1637 warn "\$${_f} is not enabled." 1638 if [ -z "$rc_force" ]; then 1639 return 1 1640 fi 1641 fi 1642 done 1643 1644 for _f in $required_dirs; do 1645 if [ ! -d "${_f}/." ]; then 1646 warn "${_f} is not a directory." 1647 if [ -z "$rc_force" ]; then 1648 return 1 1649 fi 1650 fi 1651 done 1652 1653 for _f in $required_files; do 1654 if [ ! -r "${_f}" ]; then 1655 warn "${_f} is not readable." 1656 if [ -z "$rc_force" ]; then 1657 return 1 1658 fi 1659 fi 1660 done 1661 ;; 1662 esac 1663 1664 return 0 1665} 1666 1667check_required_after() 1668{ 1669 local _f _args 1670 1671 case "$1" in 1672 start) 1673 for _f in $required_modules; do 1674 case "${_f}" in 1675 *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1676 *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1677 *) _args="${_f}" ;; 1678 esac 1679 if ! load_kld ${_args}; then 1680 if [ -z "$rc_force" ]; then 1681 return 1 1682 fi 1683 fi 1684 done 1685 ;; 1686 esac 1687 1688 return 0 1689} 1690 1691fi 1692 1693# _echoonce var msg mode 1694# mode=0: Echo $msg if ${$var} is empty. 1695# After doing echo, a string is set to ${$var}. 1696# 1697# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1698# 1699_echoonce() 1700{ 1701 local _var _msg _mode 1702 _var=`eval echo \\$$1` 1703 _msg=$2 1704 _mode=$3 1705 1706 case $_mode in 1707 1) [ -n "$_var" ] && echo "$_msg" ;; 1708 *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1709 esac 1710} 1711 1712_rc_subr_loaded=: 1713