rc.subr revision 202988
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 202988 2010-01-25 20:59:04Z emaste $ 378344Sobrien# 4157473Sflz# Copyright (c) 1997-2004 The NetBSD Foundation, Inc. 578344Sobrien# All rights reserved. 678344Sobrien# 778344Sobrien# This code is derived from software contributed to The NetBSD Foundation 878344Sobrien# by Luke Mewburn. 978344Sobrien# 1078344Sobrien# Redistribution and use in source and binary forms, with or without 1178344Sobrien# modification, are permitted provided that the following conditions 1278344Sobrien# are met: 1378344Sobrien# 1. Redistributions of source code must retain the above copyright 1478344Sobrien# notice, this list of conditions and the following disclaimer. 1578344Sobrien# 2. Redistributions in binary form must reproduce the above copyright 1678344Sobrien# notice, this list of conditions and the following disclaimer in the 1778344Sobrien# documentation and/or other materials provided with the distribution. 1878344Sobrien# 3. All advertising materials mentioning features or use of this software 1978344Sobrien# must display the following acknowledgement: 2078344Sobrien# This product includes software developed by the NetBSD 2178344Sobrien# Foundation, Inc. and its contributors. 2278344Sobrien# 4. Neither the name of The NetBSD Foundation nor the names of its 2378344Sobrien# contributors may be used to endorse or promote products derived 2478344Sobrien# from this software without specific prior written permission. 2578344Sobrien# 2678344Sobrien# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2778344Sobrien# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2878344Sobrien# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2978344Sobrien# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3078344Sobrien# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3178344Sobrien# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3278344Sobrien# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3378344Sobrien# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3478344Sobrien# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3578344Sobrien# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3678344Sobrien# POSSIBILITY OF SUCH DAMAGE. 3778344Sobrien# 3878344Sobrien# rc.subr 3978344Sobrien# functions used by various rc scripts 4078344Sobrien# 4178344Sobrien 42157473Sflz: ${rcvar_manpage:='rc.conf(5)'} 43169668Smtm: ${RC_PID:=$$}; export RC_PID 44157473Sflz 4578344Sobrien# 4698186Sgordon# Operating System dependent/independent variables 4798186Sgordon# 4898186Sgordon 49131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 50131550Scperciva 51131550Scperciva_rc_subr_loaded="YES" 52131550Scperciva 5398186SgordonSYSCTL="/sbin/sysctl" 5498186SgordonSYSCTL_N="${SYSCTL} -n" 55202988SemasteSYSCTL_W="${SYSCTL}" 56124832SmtmID="/usr/bin/id" 57124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 58161435SyarPS="/bin/ps -ww" 59161435SyarJID=`$PS -p $$ -o jid=` 6098186Sgordon 6198186Sgordon# 6278344Sobrien# functions 6378344Sobrien# --------- 6478344Sobrien 65197144Shrs# set_rcvar [var] [defval] [desc] 6678344Sobrien# 67197144Shrs# Echo or define a rc.conf(5) variable name. Global variable 68197144Shrs# $rcvars is used. 6998186Sgordon# 70197144Shrs# If no argument is specified, echo "${name}_enable". 71197144Shrs# 72197144Shrs# If only a var is specified, echo "${var}_enable". 73197144Shrs# 74197144Shrs# If var and defval are specified, the ${var} is defined as 75197144Shrs# rc.conf(5) variable and the default value is ${defvar}. An 76197144Shrs# optional argument $desc can also be specified to add a 77197144Shrs# description for that. 78197144Shrs# 7998186Sgordonset_rcvar() 8098186Sgordon{ 81197144Shrs case $# in 82197144Shrs 0) 83197144Shrs echo ${name}_enable 8498186Sgordon ;; 85197144Shrs 1) 86197144Shrs echo ${1}_enable 8798186Sgordon ;; 8898186Sgordon *) 89197144Shrs debug "rcvar_define: \$$1=$2 is added" \ 90197144Shrs " as a rc.conf(5) variable." 91197144Shrs 92197144Shrs local _var 93197144Shrs _var=$1 94197144Shrs rcvars="${rcvars# } $_var" 95197144Shrs eval ${_var}_defval=\"$2\" 96197144Shrs shift 2 97197144Shrs # encode multiple lines of _desc 98197144Shrs for l in "$@"; do 99197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 100197144Shrs done 101197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}\" 10298186Sgordon ;; 10398186Sgordon esac 10498186Sgordon} 10598186Sgordon 106197144Shrs# set_rcvar_obsolete oldvar [newvar] [msg] 107197144Shrs# Define obsolete variable. 108197144Shrs# Global variable $rcvars_obsolete is used. 10998186Sgordon# 110197144Shrsset_rcvar_obsolete() 111197144Shrs{ 112197144Shrs local _var 113197144Shrs _var=$1 114197144Shrs debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 115197144Shrs 116197144Shrs rcvars_obsolete="${rcvars_obsolete# } $1" 117197144Shrs eval ${1}_newvar=\"$2\" 118197144Shrs shift 2 119197144Shrs eval ${_var}_obsolete_msg=\"$*\" 120197144Shrs} 121197144Shrs 122197144Shrs# 12398186Sgordon# force_depend script 12498186Sgordon# Force a service to start. Intended for use by services 12598186Sgordon# to resolve dependency issues. It is assumed the caller 12698186Sgordon# has check to make sure this call is necessary 12798186Sgordon# $1 - filename of script, in /etc/rc.d, to run 12898186Sgordon# 12998186Sgordonforce_depend() 13098186Sgordon{ 13198186Sgordon _depend="$1" 13298186Sgordon 13398186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 134146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 13598186Sgordon warn "Unable to force ${_depend}. It may already be running." 13698186Sgordon return 1 13798186Sgordon fi 13898186Sgordon return 0 13998186Sgordon} 14098186Sgordon 14198186Sgordon# 14278344Sobrien# checkyesno var 14378344Sobrien# Test $1 variable, and warn if not set to YES or NO. 14478344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 14578344Sobrien# 14678344Sobriencheckyesno() 14778344Sobrien{ 14878344Sobrien eval _value=\$${1} 14998186Sgordon debug "checkyesno: $1 is set to $_value." 15078344Sobrien case $_value in 15178344Sobrien 15278344Sobrien # "yes", "true", "on", or "1" 15378344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 15478344Sobrien return 0 15578344Sobrien ;; 15678344Sobrien 15778344Sobrien # "no", "false", "off", or "0" 15878344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 15978344Sobrien return 1 16078344Sobrien ;; 16178344Sobrien *) 162157473Sflz warn "\$${1} is not set properly - see ${rcvar_manpage}." 16378344Sobrien return 1 16478344Sobrien ;; 16578344Sobrien esac 16678344Sobrien} 16778344Sobrien 168157473Sflz# 16998186Sgordon# reverse_list list 17098186Sgordon# print the list in reverse order 17178344Sobrien# 17298186Sgordonreverse_list() 17398186Sgordon{ 17498186Sgordon _revlist= 175126286Smtm for _revfile; do 17698186Sgordon _revlist="$_revfile $_revlist" 17798186Sgordon done 17898186Sgordon echo $_revlist 17998186Sgordon} 18098186Sgordon 181169668Smtm# stop_boot always 182169668Smtm# If booting directly to multiuser or $always is enabled, 183169668Smtm# send SIGTERM to the parent (/etc/rc) to abort the boot. 184169668Smtm# Otherwise just exit. 18578344Sobrien# 186169668Smtmstop_boot() 187169668Smtm{ 188169668Smtm local always 189169668Smtm 190178776Smaxim case $1 in 191178776Smaxim # "yes", "true", "on", or "1" 192178770Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 193169668Smtm always=true 194178770Smtm ;; 195178770Smtm *) 196169668Smtm always=false 197178770Smtm ;; 198178775Smaxim esac 199169668Smtm if [ "$autoboot" = yes -o "$always" = true ]; then 200169668Smtm echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 201169668Smtm kill -TERM ${RC_PID} 202169668Smtm fi 203169668Smtm exit 1 204169668Smtm} 205169668Smtm 206169668Smtm# 20798186Sgordon# mount_critical_filesystems type 20898186Sgordon# Go through the list of critical filesystems as provided in 20998186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 21098186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 21198186Sgordon# 21278344Sobrienmount_critical_filesystems() 21378344Sobrien{ 21498186Sgordon eval _fslist=\$critical_filesystems_${1} 21578344Sobrien for _fs in $_fslist; do 21678344Sobrien mount | ( 217126285Smtm _ismounted=false 21878344Sobrien while read what _on on _type type; do 21978344Sobrien if [ $on = $_fs ]; then 220126285Smtm _ismounted=true 22178344Sobrien fi 22278344Sobrien done 223126285Smtm if $_ismounted; then 224126285Smtm : 225126285Smtm else 22678344Sobrien mount $_fs >/dev/null 2>&1 22778344Sobrien fi 22898186Sgordon ) 22978344Sobrien done 23078344Sobrien} 23178344Sobrien 23278344Sobrien# 23398186Sgordon# check_pidfile pidfile procname [interpreter] 23498186Sgordon# Parses the first line of pidfile for a PID, and ensures 23578344Sobrien# that the process is running and matches procname. 23698186Sgordon# Prints the matching PID upon success, nothing otherwise. 23798186Sgordon# interpreter is optional; see _find_processes() for details. 23878344Sobrien# 23978344Sobriencheck_pidfile() 24078344Sobrien{ 24178344Sobrien _pidfile=$1 24278344Sobrien _procname=$2 24398186Sgordon _interpreter=$3 24478344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 24598186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 24678344Sobrien fi 24778344Sobrien if [ ! -f $_pidfile ]; then 248131061Smtm debug "pid file ($_pidfile): not readable." 24978344Sobrien return 25078344Sobrien fi 25178344Sobrien read _pid _junk < $_pidfile 25278344Sobrien if [ -z "$_pid" ]; then 253139949Skeramida debug "pid file ($_pidfile): no pid in file." 25478344Sobrien return 25578344Sobrien fi 25698186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 25778344Sobrien} 25878344Sobrien 25978344Sobrien# 26098186Sgordon# check_process procname [interpreter] 26178344Sobrien# Ensures that a process (or processes) named procname is running. 26298186Sgordon# Prints a list of matching PIDs. 26398186Sgordon# interpreter is optional; see _find_processes() for details. 26478344Sobrien# 26578344Sobriencheck_process() 26678344Sobrien{ 26778344Sobrien _procname=$1 26898186Sgordon _interpreter=$2 26978344Sobrien if [ -z "$_procname" ]; then 27098186Sgordon err 3 'USAGE: check_process procname [interpreter]' 27178344Sobrien fi 27298186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 27398186Sgordon} 27498186Sgordon 27598186Sgordon# 27698186Sgordon# _find_processes procname interpreter psargs 27798186Sgordon# Search for procname in the output of ps generated by psargs. 27898186Sgordon# Prints the PIDs of any matching processes, space separated. 27998186Sgordon# 28098186Sgordon# If interpreter == ".", check the following variations of procname 28198186Sgordon# against the first word of each command: 28298186Sgordon# procname 28398186Sgordon# `basename procname` 28498186Sgordon# `basename procname` + ":" 28598186Sgordon# "(" + `basename procname` + ")" 286155719Sceri# "[" + `basename procname` + "]" 28798186Sgordon# 28898186Sgordon# If interpreter != ".", read the first line of procname, remove the 28998186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 29098186Sgordon# match that against each command, either as is, or with extra words 291157841Sflz# at the end. As an alternative, to deal with interpreted daemons 292157841Sflz# using perl, the basename of the interpreter plus a colon is also 293157841Sflz# tried as the prefix to procname. 29498186Sgordon# 29598186Sgordon_find_processes() 29698186Sgordon{ 29798186Sgordon if [ $# -ne 3 ]; then 29898186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 29998186Sgordon fi 30098186Sgordon _procname=$1 30198186Sgordon _interpreter=$2 30298186Sgordon _psargs=$3 30398186Sgordon 30478344Sobrien _pref= 30598186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 306170282Syar _script=${_chroot}${_chroot:+"/"}$_procname 307170282Syar if [ -r $_script ]; then 308170282Syar read _interp < $_script # read interpreter name 309170282Syar case "$_interp" in 310170282Syar \#!*) 311170282Syar _interp=${_interp#\#!} # strip #! 312170282Syar set -- $_interp 313170282Syar case $1 in 314170282Syar */bin/env) 315170282Syar shift # drop env to get real name 316170282Syar ;; 317170282Syar esac 318170282Syar if [ $_interpreter != $1 ]; then 319170282Syar warn "\$command_interpreter $_interpreter != $1" 320170282Syar fi 321170282Syar ;; 322170282Syar *) 323170282Syar warn "no shebang line in $_script" 324170282Syar set -- $_interpreter 325170282Syar ;; 326170282Syar esac 327170282Syar else 328170282Syar warn "cannot read shebang line from $_script" 329170282Syar set -- $_interpreter 33078344Sobrien fi 33198186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 332157841Sflz _interpbn=${1##*/} 33398186Sgordon _fp_args='_argv' 33498186Sgordon _fp_match='case "$_argv" in 335157841Sflz ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 33698186Sgordon else # a normal daemon 33798186Sgordon _procnamebn=${_procname##*/} 33898186Sgordon _fp_args='_arg0 _argv' 33998186Sgordon _fp_match='case "$_arg0" in 340151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 34198186Sgordon fi 34298186Sgordon 343161435Syar _proccheck="\ 344161436Syar $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 345157657Sflz while read _npid _jid '"$_fp_args"'; do 346161436Syar '"$_fp_match"' 347157657Sflz if [ "$JID" -eq "$_jid" ]; 348157657Sflz then echo -n "$_pref$_npid"; 349157657Sflz _pref=" "; 350157657Sflz fi 35198186Sgordon ;; 35298186Sgordon esac 35398186Sgordon done' 35498186Sgordon 355114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 35698186Sgordon eval $_proccheck 35798186Sgordon} 35898186Sgordon 35998186Sgordon# 36098186Sgordon# wait_for_pids pid [pid ...] 36198186Sgordon# spins until none of the pids exist 36298186Sgordon# 36398186Sgordonwait_for_pids() 36498186Sgordon{ 365126286Smtm _list="$@" 36698186Sgordon if [ -z "$_list" ]; then 36798186Sgordon return 36898186Sgordon fi 36998186Sgordon _prefix= 37098186Sgordon while true; do 37198186Sgordon _nlist=""; 37298186Sgordon for _j in $_list; do 37398186Sgordon if kill -0 $_j 2>/dev/null; then 37498186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 37598186Sgordon fi 37698186Sgordon done 37798186Sgordon if [ -z "$_nlist" ]; then 37898186Sgordon break 37978344Sobrien fi 38098186Sgordon _list=$_nlist 38198186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 38298186Sgordon _prefix=", " 383200818Sjilles pwait $_list 2>/dev/null || sleep 2 38478344Sobrien done 38598186Sgordon if [ -n "$_prefix" ]; then 38698186Sgordon echo "." 38798186Sgordon fi 38878344Sobrien} 38978344Sobrien 39078344Sobrien# 391197947Sdougb# check_startmsgs 392197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 393197947Sdougb# boot time) check if rc_startmsgs is enabled. 394197947Sdougb# 395197947Sdougbcheck_startmsgs() 396197947Sdougb{ 397197947Sdougb if [ -n "$rc_quiet" ]; then 398197947Sdougb checkyesno rc_startmsgs 399197947Sdougb else 400197947Sdougb return 0 401197947Sdougb fi 402197947Sdougb} 403197947Sdougb 404197947Sdougb# 40598186Sgordon# run_rc_command argument 40698186Sgordon# Search for argument in the list of supported commands, which is: 40798186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 40898186Sgordon# If there's a match, run ${argument}_cmd or the default method 40998186Sgordon# (see below). 41078344Sobrien# 41198186Sgordon# If argument has a given prefix, then change the operation as follows: 41298186Sgordon# Prefix Operation 41378344Sobrien# ------ --------- 414175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 41598186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 416126303Smtm# one Set ${rcvar} to YES 417175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 41878344Sobrien# 41978344Sobrien# The following globals are used: 42078344Sobrien# 42198186Sgordon# Name Needed Purpose 42298186Sgordon# ---- ------ ------- 42378344Sobrien# name y Name of script. 42478344Sobrien# 42578344Sobrien# command n Full path to command. 42698186Sgordon# Not needed if ${rc_arg}_cmd is set for 42778344Sobrien# each keyword. 42878344Sobrien# 42978344Sobrien# command_args n Optional args/shell directives for command. 43078344Sobrien# 43198186Sgordon# command_interpreter n If not empty, command is interpreted, so 43298186Sgordon# call check_{pidfile,process}() appropriately. 43398186Sgordon# 434197144Shrs# desc n Description of script. 435197144Shrs# 43678344Sobrien# extra_commands n List of extra commands supported. 43778344Sobrien# 43898186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 43998186Sgordon# otherwise use check_process $command. 44098186Sgordon# In either case, only check if $command is set. 44178344Sobrien# 44298186Sgordon# procname n Process name to check for instead of $command. 44398186Sgordon# 44478344Sobrien# rcvar n This is checked with checkyesno to determine 44578344Sobrien# if the action should be run. 44678344Sobrien# 447157653Sflz# ${name}_program n Full path to command. 448157653Sflz# Meant to be used in /etc/rc.conf to override 449157653Sflz# ${command}. 450157653Sflz# 45178344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 45298186Sgordon# Requires /usr to be mounted. 45378344Sobrien# 45478344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 45578344Sobrien# (if not using ${name}_chroot). 45678344Sobrien# 45778344Sobrien# ${name}_flags n Arguments to call ${command} with. 45878344Sobrien# NOTE: $flags from the parent environment 45978344Sobrien# can be used to override this. 46078344Sobrien# 46178344Sobrien# ${name}_nice n Nice level to run ${command} at. 46278344Sobrien# 46378344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 46478344Sobrien# using ${name}_chroot. 46598186Sgordon# Requires /usr to be mounted. 46678344Sobrien# 46778344Sobrien# ${name}_group n Group to run chrooted ${command} as. 46898186Sgordon# Requires /usr to be mounted. 46978344Sobrien# 47098186Sgordon# ${name}_groups n Comma separated list of supplementary groups 47198186Sgordon# to run the chrooted ${command} with. 47298186Sgordon# Requires /usr to be mounted. 47378344Sobrien# 47498186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 47578344Sobrien# Otherwise, use default command (see below) 47678344Sobrien# 47798186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 47898186Sgordon# ${rc_arg}_cmd method in the default 47998186Sgordon# operation (i.e, after checking for required 48098186Sgordon# bits and process (non)existence). 48178344Sobrien# If this completes with a non-zero exit code, 48298186Sgordon# don't run ${rc_arg}_cmd. 48378344Sobrien# 48498186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 48598186Sgordon# ${rc_arg}_cmd method, if that method 48698186Sgordon# returned a zero exit code. 48798186Sgordon# 48878344Sobrien# required_dirs n If set, check for the existence of the given 489165565Syar# directories before running a (re)start command. 49078344Sobrien# 49178344Sobrien# required_files n If set, check for the readability of the given 492165565Syar# files before running a (re)start command. 49378344Sobrien# 494165565Syar# required_modules n If set, ensure the given kernel modules are 495165565Syar# loaded before running a (re)start command. 496165565Syar# The check and possible loads are actually 497165565Syar# done after start_precmd so that the modules 498165565Syar# aren't loaded in vain, should the precmd 499165565Syar# return a non-zero status to indicate a error. 500165565Syar# If a word in the list looks like "foo:bar", 501165565Syar# "foo" is the KLD file name and "bar" is the 502165565Syar# module name. If a word looks like "foo~bar", 503165565Syar# "foo" is the KLD file name and "bar" is a 504165565Syar# egrep(1) pattern matching the module name. 505165565Syar# Otherwise the module name is assumed to be 506165565Syar# the same as the KLD file name, which is most 507165565Syar# common. See load_kld(). 508165565Syar# 50978344Sobrien# required_vars n If set, perform checkyesno on each of the 51078344Sobrien# listed variables before running the default 51178344Sobrien# (re)start command. 51278344Sobrien# 51398186Sgordon# Default behaviour for a given argument, if no override method is 51498186Sgordon# provided: 51578344Sobrien# 51698186Sgordon# Argument Default behaviour 51798186Sgordon# -------- ----------------- 51878344Sobrien# start if !running && checkyesno ${rcvar} 51978344Sobrien# ${command} 52078344Sobrien# 52178344Sobrien# stop if ${pidfile} 52298186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 52378344Sobrien# else 52498186Sgordon# rc_pid=$(check_process $command) 52598186Sgordon# kill $sig_stop $rc_pid 52698186Sgordon# wait_for_pids $rc_pid 52798186Sgordon# ($sig_stop defaults to TERM.) 52878344Sobrien# 52998186Sgordon# reload Similar to stop, except use $sig_reload instead, 53098186Sgordon# and doesn't wait_for_pids. 53178344Sobrien# $sig_reload defaults to HUP. 532151685Syar# Note that `reload' isn't provided by default, 533151685Syar# it should be enabled via $extra_commands. 53478344Sobrien# 53578344Sobrien# restart Run `stop' then `start'. 53678344Sobrien# 53798186Sgordon# status Show if ${command} is running, etc. 53878344Sobrien# 53998186Sgordon# poll Wait for ${command} to exit. 54098186Sgordon# 54198186Sgordon# rcvar Display what rc.conf variable is used (if any). 54298186Sgordon# 54398186Sgordon# Variables available to methods, and after run_rc_command() has 54498186Sgordon# completed: 54598186Sgordon# 54698186Sgordon# Variable Purpose 54798186Sgordon# -------- ------- 548126303Smtm# rc_arg Argument to command, after fast/force/one processing 54998186Sgordon# performed 55098186Sgordon# 55198186Sgordon# rc_flags Flags to start the default command with. 55298186Sgordon# Defaults to ${name}_flags, unless overridden 55398186Sgordon# by $flags from the environment. 55498186Sgordon# This variable may be changed by the precmd method. 55598186Sgordon# 55698186Sgordon# rc_pid PID of command (if appropriate) 55798186Sgordon# 55898186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 55998186Sgordon# 56098186Sgordon# rc_force Not empty if "force" was provided (q.v.) 56198186Sgordon# 562175676Smtm# rc_quiet Not empty if "quiet" was provided 56398186Sgordon# 564175676Smtm# 56578344Sobrienrun_rc_command() 56678344Sobrien{ 567116097Smtm _return=0 56898186Sgordon rc_arg=$1 56978344Sobrien if [ -z "$name" ]; then 57098186Sgordon err 3 'run_rc_command: $name is not set.' 57178344Sobrien fi 57278344Sobrien 573132892Smtm # Don't repeat the first argument when passing additional command- 574132892Smtm # line arguments to the command subroutines. 575132892Smtm # 576132892Smtm shift 1 577132892Smtm rc_extra_args="$*" 578132892Smtm 579126303Smtm _rc_prefix= 58098186Sgordon case "$rc_arg" in 58178344Sobrien fast*) # "fast" prefix; don't check pid 58298186Sgordon rc_arg=${rc_arg#fast} 58398186Sgordon rc_fast=yes 584175676Smtm rc_quiet=yes 58578344Sobrien ;; 586198216Sed force*) # "force" prefix; always run 58798186Sgordon rc_force=yes 588126303Smtm _rc_prefix=force 589126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 59078344Sobrien if [ -n "${rcvar}" ]; then 59178344Sobrien eval ${rcvar}=YES 59278344Sobrien fi 59378344Sobrien ;; 594126303Smtm one*) # "one" prefix; set ${rcvar}=yes 595126303Smtm _rc_prefix=one 596126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 597126303Smtm if [ -n "${rcvar}" ]; then 598126303Smtm eval ${rcvar}=YES 599126303Smtm fi 600126303Smtm ;; 601175676Smtm quiet*) # "quiet" prefix; omit some messages 602175676Smtm _rc_prefix=quiet 603175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 604175676Smtm rc_quiet=yes 605175676Smtm ;; 60678344Sobrien esac 60778344Sobrien 608161530Sflz eval _override_command=\$${name}_program 609198162Sdougb command=${_override_command:-$command} 610161530Sflz 61178344Sobrien _keywords="start stop restart rcvar $extra_commands" 61298186Sgordon rc_pid= 61378344Sobrien _pidcmd= 61498186Sgordon _procname=${procname:-${command}} 61598186Sgordon 616131135Smtm # setup pid check command 617131135Smtm if [ -n "$_procname" ]; then 61878344Sobrien if [ -n "$pidfile" ]; then 61998186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 62098186Sgordon else 62198186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 62278344Sobrien fi 62378344Sobrien if [ -n "$_pidcmd" ]; then 62498186Sgordon _keywords="${_keywords} status poll" 62578344Sobrien fi 62678344Sobrien fi 62778344Sobrien 62898186Sgordon if [ -z "$rc_arg" ]; then 629150796Syar rc_usage $_keywords 63078344Sobrien fi 63178344Sobrien 63278344Sobrien if [ -n "$flags" ]; then # allow override from environment 63398186Sgordon rc_flags=$flags 63478344Sobrien else 63598186Sgordon eval rc_flags=\$${name}_flags 63678344Sobrien fi 63798186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 63898186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 63998186Sgordon _group=\$${name}_group _groups=\$${name}_groups 64078344Sobrien 64198186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 642124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 64398186Sgordon unset _user 64498186Sgordon fi 64598186Sgordon fi 64698186Sgordon 647179870Smtm eval $_pidcmd # determine the pid if necessary 648179870Smtm 649179870Smtm for _elem in $_keywords; do 650179870Smtm if [ "$_elem" != "$rc_arg" ]; then 651179870Smtm continue 652179870Smtm fi 65378344Sobrien # if ${rcvar} is set, and $1 is not 65498186Sgordon # "rcvar", then run 65578344Sobrien # checkyesno ${rcvar} 65678344Sobrien # and return if that failed 65778344Sobrien # 658179870Smtm if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 659179870Smtm if ! checkyesno ${rcvar}; then 660179870Smtm if [ -n "${rc_quiet}" ]; then 661179870Smtm return 0 662179870Smtm fi 663179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 664179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 665179870Smtm echo "instead of '${rc_arg}'." 666175676Smtm return 0 667175676Smtm fi 66878344Sobrien fi 66978344Sobrien 67078344Sobrien # if there's a custom ${XXX_cmd}, 67178344Sobrien # run that instead of the default 67278344Sobrien # 673165565Syar eval _cmd=\$${rc_arg}_cmd \ 674165565Syar _precmd=\$${rc_arg}_precmd \ 675165565Syar _postcmd=\$${rc_arg}_postcmd 676165565Syar 67778344Sobrien if [ -n "$_cmd" ]; then 678165565Syar _run_rc_precmd || return 1 679165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 680165565Syar _run_rc_postcmd 681116097Smtm return $_return 68278344Sobrien fi 68378344Sobrien 68498186Sgordon case "$rc_arg" in # default operations... 68578344Sobrien 68678344Sobrien status) 687165565Syar _run_rc_precmd || return 1 68898186Sgordon if [ -n "$rc_pid" ]; then 68998186Sgordon echo "${name} is running as pid $rc_pid." 69078344Sobrien else 69178344Sobrien echo "${name} is not running." 69278344Sobrien return 1 69378344Sobrien fi 694165565Syar _run_rc_postcmd 69578344Sobrien ;; 69678344Sobrien 69778344Sobrien start) 698131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 699157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 700153152Syar return 1 70178344Sobrien fi 70278344Sobrien 703167413Syar if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 704160667Syar warn "run_rc_command: cannot run $command" 705153152Syar return 1 70678344Sobrien fi 70778344Sobrien 708179946Smtm if ! _run_rc_precmd; then 709179946Smtm warn "failed precmd routine for ${name}" 710179946Smtm return 1 711179946Smtm fi 71278344Sobrien 713160668Syar # setup the full command to run 71478344Sobrien # 715197947Sdougb check_startmsgs && echo "Starting ${name}." 71678344Sobrien if [ -n "$_chroot" ]; then 71778344Sobrien _doit="\ 71878344Sobrien${_nice:+nice -n $_nice }\ 71978344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 72098186Sgordon$_chroot $command $rc_flags $command_args" 72178344Sobrien else 72278344Sobrien _doit="\ 723161396Syar${_chdir:+cd $_chdir && }\ 72498186Sgordon$command $rc_flags $command_args" 72598186Sgordon if [ -n "$_user" ]; then 72698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72798186Sgordon fi 728161396Syar if [ -n "$_nice" ]; then 729161396Syar if [ -z "$_user" ]; then 730161396Syar _doit="sh -c \"$_doit\"" 731201036Sdougb fi 732161396Syar _doit="nice -n $_nice $_doit" 733161396Syar fi 73478344Sobrien fi 73598186Sgordon 736165565Syar # run the full command 73798186Sgordon # 738179946Smtm if ! _run_rc_doit "$_doit"; then 739179946Smtm warn "failed to start ${name}" 740179946Smtm return 1 741179946Smtm fi 74298186Sgordon 74398186Sgordon # finally, run postcmd 74498186Sgordon # 745165565Syar _run_rc_postcmd 74678344Sobrien ;; 74778344Sobrien 74878344Sobrien stop) 74998186Sgordon if [ -z "$rc_pid" ]; then 750153152Syar [ -n "$rc_fast" ] && return 0 751165565Syar _run_rc_notrunning 752153152Syar return 1 75378344Sobrien fi 75478344Sobrien 755165565Syar _run_rc_precmd || return 1 75698186Sgordon 75798186Sgordon # send the signal to stop 75898186Sgordon # 75978344Sobrien echo "Stopping ${name}." 760165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 761165565Syar _run_rc_doit "$_doit" || return 1 76298186Sgordon 76398186Sgordon # wait for the command to exit, 76498186Sgordon # and run postcmd. 76598186Sgordon wait_for_pids $rc_pid 766165565Syar 767165565Syar _run_rc_postcmd 76878344Sobrien ;; 76978344Sobrien 77078344Sobrien reload) 77198186Sgordon if [ -z "$rc_pid" ]; then 772165565Syar _run_rc_notrunning 773153152Syar return 1 77478344Sobrien fi 775165565Syar 776165565Syar _run_rc_precmd || return 1 777165565Syar 778165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 779165565Syar _run_rc_doit "$_doit" || return 1 780165565Syar 781165565Syar _run_rc_postcmd 78278344Sobrien ;; 78378344Sobrien 78478344Sobrien restart) 78578344Sobrien # prevent restart being called more 78678344Sobrien # than once by any given script 78778344Sobrien # 788126285Smtm if ${_rc_restart_done:-false}; then 78978344Sobrien return 0 79078344Sobrien fi 791126285Smtm _rc_restart_done=true 79278344Sobrien 793165565Syar _run_rc_precmd || return 1 794165565Syar 795165565Syar # run those in a subshell to keep global variables 796152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 797165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 798165565Syar _return=$? 799165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 80098186Sgordon 801165565Syar _run_rc_postcmd 80278344Sobrien ;; 80378344Sobrien 80498186Sgordon poll) 805165565Syar _run_rc_precmd || return 1 80698186Sgordon if [ -n "$rc_pid" ]; then 80798186Sgordon wait_for_pids $rc_pid 80898186Sgordon fi 809165565Syar _run_rc_postcmd 81098186Sgordon ;; 81198186Sgordon 81278344Sobrien rcvar) 813197144Shrs echo -n "# $name" 814197144Shrs if [ -n "$desc" ]; then 815197144Shrs echo " : $desc" 816197144Shrs else 817197144Shrs echo "" 818197144Shrs fi 819197144Shrs echo "#" 820197144Shrs # Get unique vars in $rcvar $rcvars 821197144Shrs for _v in $rcvar $rcvars; do 822197144Shrs case $v in 823197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 824197144Shrs *) v="${v# } $_v" ;; 825197144Shrs esac 826197144Shrs done 827197144Shrs 828197144Shrs # Display variables. 829197144Shrs for _v in $v; do 830197144Shrs if [ -z "$_v" ]; then 831197144Shrs continue 83278344Sobrien fi 833197144Shrs 834197144Shrs eval _desc=\$${_v}_desc 835197144Shrs eval _defval=\$${_v}_defval 836197144Shrs _h="-" 837197144Shrs 838197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 839197144Shrs # decode multiple lines of _desc 840197144Shrs while [ -n "$_desc" ]; do 841197144Shrs case $_desc in 842197144Shrs *^^*) 843197144Shrs echo "# $_h ${_desc%%^^*}" 844197144Shrs _desc=${_desc#*^^} 845197144Shrs _h=" " 846197144Shrs ;; 847197144Shrs *) 848197144Shrs echo "# $_h ${_desc}" 849197144Shrs break 850197144Shrs ;; 851197144Shrs esac 852197144Shrs done 853197144Shrs echo "# (default: \"$_defval\")" 854197144Shrs done 855197144Shrs echo "" 85678344Sobrien ;; 85778344Sobrien 85878344Sobrien *) 859150796Syar rc_usage $_keywords 86078344Sobrien ;; 86178344Sobrien 86278344Sobrien esac 863116097Smtm return $_return 86478344Sobrien done 86578344Sobrien 86698186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 867150796Syar rc_usage $_keywords 868153152Syar # not reached 86978344Sobrien} 87078344Sobrien 87178344Sobrien# 872165565Syar# Helper functions for run_rc_command: common code. 873165565Syar# They use such global variables besides the exported rc_* ones: 874165565Syar# 875165565Syar# name R/W 876165565Syar# ------------------ 877165565Syar# _precmd R 878165565Syar# _postcmd R 879165565Syar# _return W 880165565Syar# 881165565Syar_run_rc_precmd() 882165565Syar{ 883165565Syar check_required_before "$rc_arg" || return 1 884165565Syar 885165565Syar if [ -n "$_precmd" ]; then 886165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 887165565Syar eval "$_precmd $rc_extra_args" 888165565Syar _return=$? 889165565Syar 890165565Syar # If precmd failed and force isn't set, request exit. 891165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 892165565Syar return 1 893165565Syar fi 894165565Syar fi 895165565Syar 896165565Syar check_required_after "$rc_arg" || return 1 897165565Syar 898165565Syar return 0 899165565Syar} 900165565Syar 901165565Syar_run_rc_postcmd() 902165565Syar{ 903165565Syar if [ -n "$_postcmd" ]; then 904165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 905165565Syar eval "$_postcmd $rc_extra_args" 906165565Syar _return=$? 907165565Syar fi 908165565Syar return 0 909165565Syar} 910165565Syar 911165565Syar_run_rc_doit() 912165565Syar{ 913165565Syar debug "run_rc_command: doit: $*" 914165565Syar eval "$@" 915165565Syar _return=$? 916165565Syar 917165565Syar # If command failed and force isn't set, request exit. 918165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 919165565Syar return 1 920165565Syar fi 921165565Syar 922165565Syar return 0 923165565Syar} 924165565Syar 925165565Syar_run_rc_notrunning() 926165565Syar{ 927165565Syar local _pidmsg 928165565Syar 929165565Syar if [ -n "$pidfile" ]; then 930165565Syar _pidmsg=" (check $pidfile)." 931165565Syar else 932165565Syar _pidmsg= 933165565Syar fi 934165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 935165565Syar} 936165565Syar 937165565Syar_run_rc_killcmd() 938165565Syar{ 939165565Syar local _cmd 940165565Syar 941165565Syar _cmd="kill -$1 $rc_pid" 942165565Syar if [ -n "$_user" ]; then 943165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 944165565Syar fi 945165565Syar echo "$_cmd" 946165565Syar} 947165565Syar 948165565Syar# 94978344Sobrien# run_rc_script file arg 95078344Sobrien# Start the script `file' with `arg', and correctly handle the 951201038Sdougb# return value from the script. 952201038Sdougb# If `file' ends with `.sh', it's sourced into the current environment 953201038Sdougb# when $rc_fast_and_loose is set, otherwise it is run as a child process. 954201038Sdougb# If `file' appears to be a backup or scratch file, ignore it. 955201038Sdougb# Otherwise if it is executable run as a child process. 95678344Sobrien# 95778344Sobrienrun_rc_script() 95878344Sobrien{ 95978344Sobrien _file=$1 96078344Sobrien _arg=$2 96178344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 96278344Sobrien err 3 'USAGE: run_rc_script file arg' 96378344Sobrien fi 96478344Sobrien 96598186Sgordon unset name command command_args command_interpreter \ 96698186Sgordon extra_commands pidfile procname \ 967197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 968197144Shrs required_vars 96998186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 97098186Sgordon 97178344Sobrien case "$_file" in 972193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 973193118Sdougb warn "Ignoring old-style startup script $_file" 97478344Sobrien ;; 975153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 97698186Sgordon warn "Ignoring scratch file $_file" 97798186Sgordon ;; 97878344Sobrien *) # run in subshell 97998186Sgordon if [ -x $_file ]; then 98098186Sgordon if [ -n "$rc_fast_and_loose" ]; then 981146490Sschweikh set $_arg; . $_file 98298186Sgordon else 983130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 984130161Smtm trap "echo Script $_file interrupted; exit 1" 2 985184317Sthompsa trap "echo Script $_file running" 29 986146490Sschweikh set $_arg; . $_file ) 98798186Sgordon fi 98898186Sgordon fi 98978344Sobrien ;; 99078344Sobrien esac 99178344Sobrien} 99278344Sobrien 99378344Sobrien# 994157653Sflz# load_rc_config name 995157653Sflz# Source in the configuration file for a given name. 99678344Sobrien# 99778344Sobrienload_rc_config() 99878344Sobrien{ 999197144Shrs local _name _var _defval _v _msg _new 1000157653Sflz _name=$1 1001157653Sflz if [ -z "$_name" ]; then 1002157653Sflz err 3 'USAGE: load_rc_config name' 100378344Sobrien fi 100478344Sobrien 1005126285Smtm if ${_rc_conf_loaded:-false}; then 1006126285Smtm : 1007126285Smtm else 100898186Sgordon if [ -r /etc/defaults/rc.conf ]; then 100998186Sgordon debug "Sourcing /etc/defaults/rc.conf" 101098186Sgordon . /etc/defaults/rc.conf 101198186Sgordon source_rc_confs 101298186Sgordon elif [ -r /etc/rc.conf ]; then 101398186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 101498186Sgordon . /etc/rc.conf 101598186Sgordon fi 1016126285Smtm _rc_conf_loaded=true 101798186Sgordon fi 1018161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1019157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1020161530Sflz . /etc/rc.conf.d/"$_name" 1021157653Sflz fi 1022179872Smtm 1023179872Smtm # Old variable names support 1024179872Smtm # 1025179872Smtm [ -n "$enable_quotas" ] && quota_enable="$enable_quotas" 1026197144Shrs 1027197144Shrs # Set defaults if defined. 1028197144Shrs for _var in $rcvar $rcvars; do 1029197144Shrs _defval=`eval echo "\\\$${_var}_defval"` 1030197144Shrs if [ -n "$_defval" ]; then 1031197144Shrs eval : \${$_var:=\$${_var}_defval} 1032197144Shrs fi 1033197144Shrs done 1034197144Shrs 1035197144Shrs # check obsolete rc.conf variables 1036197144Shrs for _var in $rcvars_obsolete; do 1037197144Shrs _v=`eval echo \\$$_var` 1038197144Shrs _msg=`eval echo \\$${_var}_obsolete_msg` 1039197144Shrs _new=`eval echo \\$${_var}_newvar` 1040197144Shrs case $_v in 1041197144Shrs "") 1042197144Shrs ;; 1043197144Shrs *) 1044197144Shrs if [ -z "$_new" ]; then 1045197144Shrs _msg="Ignored." 1046197144Shrs else 1047197144Shrs eval $_new=\"\$$_var\" 1048197144Shrs if [ -z "$_msg" ]; then 1049197144Shrs _msg="Use \$$_new instead." 1050197144Shrs fi 1051197144Shrs fi 1052197144Shrs warn "\$$_var is obsolete. $_msg" 1053197144Shrs ;; 1054197144Shrs esac 1055197144Shrs done 105678344Sobrien} 1057201036Sdougb 1058157473Sflz# 1059157653Sflz# load_rc_config_var name var 1060157653Sflz# Read the rc.conf(5) var for name and set in the 1061157473Sflz# current shell, using load_rc_config in a subshell to prevent 1062157473Sflz# unwanted side effects from other variable assignments. 1063157473Sflz# 1064157473Sflzload_rc_config_var() 1065157473Sflz{ 1066157473Sflz if [ $# -ne 2 ]; then 1067157653Sflz err 3 'USAGE: load_rc_config_var name var' 1068157473Sflz fi 1069157473Sflz eval $(eval '( 1070157473Sflz load_rc_config '$1' >/dev/null; 1071157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1072157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1073157473Sflz fi 1074157473Sflz )' ) 1075157473Sflz} 107678344Sobrien 107778344Sobrien# 107878344Sobrien# rc_usage commands 107978344Sobrien# Print a usage string for $0, with `commands' being a list of 108078344Sobrien# valid commands. 108178344Sobrien# 108278344Sobrienrc_usage() 108378344Sobrien{ 1084126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 108578344Sobrien 108678344Sobrien _sep= 1087126286Smtm for _elem; do 108878344Sobrien echo -n 1>&2 "$_sep$_elem" 108978344Sobrien _sep="|" 109078344Sobrien done 109178344Sobrien echo 1>&2 ")" 109278344Sobrien exit 1 109378344Sobrien} 109478344Sobrien 109578344Sobrien# 109678344Sobrien# err exitval message 109778344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 109878344Sobrien# 109978344Sobrienerr() 110078344Sobrien{ 110178344Sobrien exitval=$1 110278344Sobrien shift 110378344Sobrien 1104106643Sgordon if [ -x /usr/bin/logger ]; then 1105106643Sgordon logger "$0: ERROR: $*" 1106106643Sgordon fi 1107106643Sgordon echo 1>&2 "$0: ERROR: $*" 110878344Sobrien exit $exitval 110978344Sobrien} 111078344Sobrien 111178344Sobrien# 111278344Sobrien# warn message 111378344Sobrien# Display message to stderr and log to the syslog. 111478344Sobrien# 111578344Sobrienwarn() 111678344Sobrien{ 1117106643Sgordon if [ -x /usr/bin/logger ]; then 1118106643Sgordon logger "$0: WARNING: $*" 1119106643Sgordon fi 1120106643Sgordon echo 1>&2 "$0: WARNING: $*" 112178344Sobrien} 112298186Sgordon 112398186Sgordon# 112498186Sgordon# info message 112598186Sgordon# Display informational message to stdout and log to syslog. 112698186Sgordon# 112798186Sgordoninfo() 112898186Sgordon{ 1129119170Smtm case ${rc_info} in 1130119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1131119170Smtm if [ -x /usr/bin/logger ]; then 1132119170Smtm logger "$0: INFO: $*" 1133119170Smtm fi 1134119170Smtm echo "$0: INFO: $*" 1135119170Smtm ;; 1136119170Smtm esac 113798186Sgordon} 113898186Sgordon 113998186Sgordon# 114098186Sgordon# debug message 1141106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 114298186Sgordon# BEWARE that you don't call any subroutine that itself calls this 114398186Sgordon# function. 114498186Sgordon# 114598186Sgordondebug() 114698186Sgordon{ 114798186Sgordon case ${rc_debug} in 114898186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1149106700Sgordon if [ -x /usr/bin/logger ]; then 1150162947Syar logger "$0: DEBUG: $*" 1151106700Sgordon fi 1152146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 115398186Sgordon ;; 115498186Sgordon esac 115598186Sgordon} 115698186Sgordon 115798186Sgordon# 115898186Sgordon# backup_file action file cur backup 115998186Sgordon# Make a backup copy of `file' into `cur', and save the previous 116098186Sgordon# version of `cur' as `backup' or use rcs for archiving. 116198186Sgordon# 116298186Sgordon# This routine checks the value of the backup_uses_rcs variable, 116398186Sgordon# which can be either YES or NO. 116498186Sgordon# 116598186Sgordon# The `action' keyword can be one of the following: 116698186Sgordon# 116798186Sgordon# add `file' is now being backed up (and is possibly 116898186Sgordon# being reentered into the backups system). `cur' 116998186Sgordon# is created and RCS files, if necessary, are 117098186Sgordon# created as well. 117198186Sgordon# 117298186Sgordon# update `file' has changed and needs to be backed up. 117398186Sgordon# If `cur' exists, it is copied to to `back' or 117498186Sgordon# checked into RCS (if the repository file is old), 117598186Sgordon# and then `file' is copied to `cur'. Another RCS 117698186Sgordon# check in done here if RCS is being used. 117798186Sgordon# 117898186Sgordon# remove `file' is no longer being tracked by the backups 117998186Sgordon# system. If RCS is not being used, `cur' is moved 118098186Sgordon# to `back', otherwise an empty file is checked in, 118198186Sgordon# and then `cur' is removed. 118298186Sgordon# 118398186Sgordon# 118498186Sgordonbackup_file() 118598186Sgordon{ 118698186Sgordon _action=$1 118798186Sgordon _file=$2 118898186Sgordon _cur=$3 118998186Sgordon _back=$4 119098186Sgordon 119198186Sgordon if checkyesno backup_uses_rcs; then 119298186Sgordon _msg0="backup archive" 119398186Sgordon _msg1="update" 119498186Sgordon 119598186Sgordon # ensure that history file is not locked 119698186Sgordon if [ -f $_cur,v ]; then 119798186Sgordon rcs -q -u -U -M $_cur 119898186Sgordon fi 119998186Sgordon 120098186Sgordon # ensure after switching to rcs that the 120198186Sgordon # current backup is not lost 120298186Sgordon if [ -f $_cur ]; then 120398186Sgordon # no archive, or current newer than archive 120498186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 120598186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 120698186Sgordon rcs -q -kb -U $_cur 120798186Sgordon co -q -f -u $_cur 120898186Sgordon fi 120998186Sgordon fi 121098186Sgordon 121198186Sgordon case $_action in 121298186Sgordon add|update) 121398186Sgordon cp -p $_file $_cur 121498186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121598186Sgordon rcs -q -kb -U $_cur 121698186Sgordon co -q -f -u $_cur 121798186Sgordon chown root:wheel $_cur $_cur,v 121898186Sgordon ;; 121998186Sgordon remove) 122098186Sgordon cp /dev/null $_cur 122198186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 122298186Sgordon rcs -q -kb -U $_cur 122398186Sgordon chown root:wheel $_cur $_cur,v 122498186Sgordon rm $_cur 122598186Sgordon ;; 122698186Sgordon esac 122798186Sgordon else 122898186Sgordon case $_action in 122998186Sgordon add|update) 123098186Sgordon if [ -f $_cur ]; then 123198186Sgordon cp -p $_cur $_back 123298186Sgordon fi 123398186Sgordon cp -p $_file $_cur 123498186Sgordon chown root:wheel $_cur 123598186Sgordon ;; 123698186Sgordon remove) 123798186Sgordon mv -f $_cur $_back 123898186Sgordon ;; 123998186Sgordon esac 124098186Sgordon fi 124198186Sgordon} 1242119166Smtm 1243123344Smtm# make_symlink src link 1244123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1245123344Smtm# directory in which link is to be created does not exist 1246123344Smtm# a warning will be displayed and an error will be returned. 1247123344Smtm# Returns 0 on sucess, 1 otherwise. 1248119166Smtm# 1249123344Smtmmake_symlink() 1250119166Smtm{ 1251123344Smtm local src link linkdir _me 1252123344Smtm src="$1" 1253123344Smtm link="$2" 1254123344Smtm linkdir="`dirname $link`" 1255123344Smtm _me="make_symlink()" 1256119166Smtm 1257123344Smtm if [ -z "$src" -o -z "$link" ]; then 1258123344Smtm warn "$_me: requires two arguments." 1259119166Smtm return 1 1260119166Smtm fi 1261123344Smtm if [ ! -d "$linkdir" ]; then 1262160667Syar warn "$_me: the directory $linkdir does not exist." 1263119166Smtm return 1 1264119166Smtm fi 1265146490Sschweikh if ! ln -sf $src $link; then 1266123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1267119166Smtm return 1 1268119166Smtm fi 1269119166Smtm return 0 1270119166Smtm} 1271119166Smtm 1272119166Smtm# devfs_rulesets_from_file file 1273119166Smtm# Reads a set of devfs commands from file, and creates 1274119166Smtm# the specified rulesets with their rules. Returns non-zero 1275119166Smtm# if there was an error. 1276119166Smtm# 1277119166Smtmdevfs_rulesets_from_file() 1278119166Smtm{ 1279119166Smtm local file _err _me 1280119166Smtm file="$1" 1281119166Smtm _me="devfs_rulesets_from_file" 1282119166Smtm _err=0 1283119166Smtm 1284119166Smtm if [ -z "$file" ]; then 1285119166Smtm warn "$_me: you must specify a file" 1286119166Smtm return 1 1287119166Smtm fi 1288119166Smtm if [ ! -e "$file" ]; then 1289119166Smtm debug "$_me: no such file ($file)" 1290119166Smtm return 0 1291119166Smtm fi 1292119166Smtm debug "reading rulesets from file ($file)" 1293119166Smtm { while read line 1294119166Smtm do 1295119166Smtm case $line in 1296119166Smtm \#*) 1297119166Smtm continue 1298119166Smtm ;; 1299119166Smtm \[*\]*) 1300119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1301119166Smtm if [ -z "$rulenum" ]; then 1302119166Smtm warn "$_me: cannot extract rule number ($line)" 1303119166Smtm _err=1 1304119166Smtm break 1305119166Smtm fi 1306119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1307119166Smtm if [ -z "$rulename" ]; then 1308119166Smtm warn "$_me: cannot extract rule name ($line)" 1309119166Smtm _err=1 1310119166Smtm break; 1311119166Smtm fi 1312119166Smtm eval $rulename=\$rulenum 1313119166Smtm debug "found ruleset: $rulename=$rulenum" 1314146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1315119166Smtm _err=1 1316119166Smtm break 1317119166Smtm fi 1318119166Smtm ;; 1319119166Smtm *) 1320119166Smtm rulecmd="${line%%"\#*"}" 1321119166Smtm # evaluate the command incase it includes 1322119166Smtm # other rules 1323119166Smtm if [ -n "$rulecmd" ]; then 1324119166Smtm debug "adding rule ($rulecmd)" 1325119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1326119166Smtm then 1327119166Smtm _err=1 1328119166Smtm break 1329119166Smtm fi 1330119166Smtm fi 1331119166Smtm ;; 1332119166Smtm esac 1333119166Smtm if [ $_err -ne 0 ]; then 1334119166Smtm debug "error in $_me" 1335119166Smtm break 1336119166Smtm fi 1337119166Smtm done } < $file 1338119166Smtm return $_err 1339119166Smtm} 1340119166Smtm 1341119166Smtm# devfs_init_rulesets 1342119166Smtm# Initializes rulesets from configuration files. Returns 1343119166Smtm# non-zero if there was an error. 1344119166Smtm# 1345119166Smtmdevfs_init_rulesets() 1346119166Smtm{ 1347119166Smtm local file _me 1348119166Smtm _me="devfs_init_rulesets" 1349119166Smtm 1350119166Smtm # Go through this only once 1351119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1352119166Smtm debug "$_me: devfs rulesets already initialized" 1353119166Smtm return 1354119166Smtm fi 1355146490Sschweikh for file in $devfs_rulesets; do 1356119166Smtm devfs_rulesets_from_file $file || return 1 1357119166Smtm done 1358119166Smtm devfs_rulesets_init=1 1359119166Smtm debug "$_me: devfs rulesets initialized" 1360119166Smtm return 0 1361119166Smtm} 1362119166Smtm 1363119166Smtm# devfs_set_ruleset ruleset [dir] 1364151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1365119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1366119166Smtm# Returns non-zero if it could not set it successfully. 1367119166Smtm# 1368119166Smtmdevfs_set_ruleset() 1369119166Smtm{ 1370119166Smtm local devdir rs _me 1371119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1372119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1373119166Smtm _me="devfs_set_ruleset" 1374119166Smtm 1375119166Smtm if [ -z "$rs" ]; then 1376119166Smtm warn "$_me: you must specify a ruleset number" 1377119166Smtm return 1 1378119166Smtm fi 1379119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1380146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1381119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1382119166Smtm return 1 1383119166Smtm fi 1384119166Smtm return 0 1385119166Smtm} 1386119166Smtm 1387119166Smtm# devfs_apply_ruleset ruleset [dir] 1388119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1389119166Smtm# The ruleset argument must be a ruleset name as specified 1390119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1391119166Smtm# if it could not apply the ruleset. 1392119166Smtm# 1393119166Smtmdevfs_apply_ruleset() 1394119166Smtm{ 1395119166Smtm local devdir rs _me 1396119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1397119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1398119166Smtm _me="devfs_apply_ruleset" 1399119166Smtm 1400119166Smtm if [ -z "$rs" ]; then 1401119166Smtm warn "$_me: you must specify a ruleset" 1402119166Smtm return 1 1403119166Smtm fi 1404119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1405146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1406119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1407119166Smtm return 1 1408119166Smtm fi 1409119166Smtm return 0 1410119166Smtm} 1411119166Smtm 1412119166Smtm# devfs_domount dir [ruleset] 1413119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1414119166Smtm# on the mount-point. It must also be a ruleset name as specified 1415119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1416119166Smtm# 1417119166Smtmdevfs_domount() 1418119166Smtm{ 1419119166Smtm local devdir rs _me 1420119166Smtm devdir="$1" 1421119166Smtm [ -n "$2" ] && rs=$2 || rs= 1422119166Smtm _me="devfs_domount()" 1423119166Smtm 1424119166Smtm if [ -z "$devdir" ]; then 1425119166Smtm warn "$_me: you must specify a mount-point" 1426119166Smtm return 1 1427119166Smtm fi 1428119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1429146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1430119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1431119166Smtm return 1 1432119166Smtm fi 1433119166Smtm if [ -n "$rs" ]; then 1434119166Smtm devfs_init_rulesets 1435119166Smtm devfs_set_ruleset $rs $devdir 1436124797Scperciva devfs -m $devdir rule applyset 1437119166Smtm fi 1438119166Smtm return 0 1439119166Smtm} 1440119166Smtm 1441119166Smtm# devfs_mount_jail dir [ruleset] 1442119166Smtm# Mounts a devfs file system appropriate for jails 1443119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1444119166Smtm# it names will be used instead. If present, ruleset must 1445119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1446119166Smtm# This function returns non-zero if an error occurs. 1447119166Smtm# 1448119166Smtmdevfs_mount_jail() 1449119166Smtm{ 1450119166Smtm local jdev rs _me 1451119166Smtm jdev="$1" 1452119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1453119166Smtm _me="devfs_mount_jail" 1454119166Smtm 1455119166Smtm devfs_init_rulesets 1456146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1457119166Smtm warn "$_me: devfs was not mounted on $jdev" 1458119166Smtm return 1 1459119166Smtm fi 1460119166Smtm return 0 1461119166Smtm} 1462127345Sbrooks 1463127345Sbrooks# Provide a function for normalizing the mounting of memory 1464127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1465127345Sbrooks# as close as possible between 5-current and 4-stable. 1466127345Sbrooks# $1 = size 1467127345Sbrooks# $2 = mount point 1468137451Skeramida# $3 = (optional) extra mdmfs flags 1469146490Sschweikhmount_md() 1470146490Sschweikh{ 1471127345Sbrooks if [ -n "$3" ]; then 1472137451Skeramida flags="$3" 1473127345Sbrooks fi 1474149421Syar /sbin/mdmfs $flags -s $1 md $2 1475127345Sbrooks} 1476131550Scperciva 1477159828Syar# Code common to scripts that need to load a kernel module 1478159828Syar# if it isn't in the kernel yet. Syntax: 1479160666Syar# load_kld [-e regex] [-m module] file 1480159828Syar# where -e or -m chooses the way to check if the module 1481159828Syar# is already loaded: 1482160666Syar# regex is egrep'd in the output from `kldstat -v', 1483160666Syar# module is passed to `kldstat -m'. 1484160666Syar# The default way is as though `-m file' were specified. 1485159828Syarload_kld() 1486159828Syar{ 1487159828Syar local _loaded _mod _opt _re 1488159828Syar 1489159828Syar while getopts "e:m:" _opt; do 1490159828Syar case "$_opt" in 1491159828Syar e) _re="$OPTARG" ;; 1492159828Syar m) _mod="$OPTARG" ;; 1493160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1494159828Syar esac 1495159828Syar done 1496159828Syar shift $(($OPTIND - 1)) 1497160666Syar if [ $# -ne 1 ]; then 1498160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1499160666Syar fi 1500159828Syar _mod=${_mod:-$1} 1501159828Syar _loaded=false 1502159828Syar if [ -n "$_re" ]; then 1503159828Syar if kldstat -v | egrep -q -e "$_re"; then 1504159828Syar _loaded=true 1505159828Syar fi 1506159828Syar else 1507159828Syar if kldstat -q -m "$_mod"; then 1508159828Syar _loaded=true 1509159828Syar fi 1510159828Syar fi 1511159828Syar if ! $_loaded; then 1512159828Syar if ! kldload "$1"; then 1513159828Syar warn "Unable to load kernel module $1" 1514159828Syar return 1 1515160666Syar else 1516160666Syar info "$1 kernel module loaded." 1517159828Syar fi 1518160666Syar else 1519160666Syar debug "load_kld: $1 kernel module already loaded." 1520159828Syar fi 1521159828Syar return 0 1522159828Syar} 1523159828Syar 1524149049Spjd# ltr str src dst 1525149049Spjd# Change every $src in $str to $dst. 1526149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1527149049Spjd# awk(1). 1528149049Spjdltr() 1529149049Spjd{ 1530149049Spjd local _str _src _dst _out _com 1531149049Spjd _str=$1 1532149049Spjd _src=$2 1533149049Spjd _dst=$3 1534149049Spjd _out="" 1535149049Spjd 1536149049Spjd IFS=${_src} 1537149049Spjd for _com in ${_str}; do 1538149049Spjd if [ -z "${_out}" ]; then 1539149049Spjd _out="${_com}" 1540149049Spjd else 1541149049Spjd _out="${_out}${_dst}${_com}" 1542149049Spjd fi 1543149049Spjd done 1544149049Spjd echo "${_out}" 1545149049Spjd} 1546149049Spjd 1547149050Spjd# Creates a list of providers for GELI encryption. 1548149050Spjdgeli_make_list() 1549149050Spjd{ 1550149050Spjd local devices devices2 1551149050Spjd local provider mountpoint type options rest 1552149050Spjd 1553149050Spjd # Create list of GELI providers from fstab. 1554149050Spjd while read provider mountpoint type options rest ; do 1555155570Sflz case ":${options}" in 1556155570Sflz :*noauto*) 1557155570Sflz noauto=yes 1558155570Sflz ;; 1559155570Sflz *) 1560155570Sflz noauto=no 1561155570Sflz ;; 1562155570Sflz esac 1563155570Sflz 1564149050Spjd case ":${provider}" in 1565149050Spjd :#*) 1566149050Spjd continue 1567149050Spjd ;; 1568149050Spjd *.eli) 1569149050Spjd # Skip swap devices. 1570155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1571149050Spjd continue 1572149050Spjd fi 1573149050Spjd devices="${devices} ${provider}" 1574149050Spjd ;; 1575149050Spjd esac 1576149050Spjd done < /etc/fstab 1577149050Spjd 1578149050Spjd # Append providers from geli_devices. 1579149050Spjd devices="${devices} ${geli_devices}" 1580149050Spjd 1581149050Spjd for provider in ${devices}; do 1582149050Spjd provider=${provider%.eli} 1583149050Spjd provider=${provider#/dev/} 1584149050Spjd devices2="${devices2} ${provider}" 1585149050Spjd done 1586149050Spjd 1587149050Spjd echo ${devices2} 1588149050Spjd} 1589149050Spjd 1590153027Sdougb# Find scripts in local_startup directories that use the old syntax 1591153027Sdougb# 1592153027Sdougbfind_local_scripts_old () { 1593153027Sdougb zlist='' 1594153027Sdougb slist='' 1595153027Sdougb for dir in ${local_startup}; do 1596153027Sdougb if [ -d "${dir}" ]; then 1597153027Sdougb for file in ${dir}/[0-9]*.sh; do 1598153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1599153027Sdougb continue 1600153027Sdougb zlist="$zlist $file" 1601153027Sdougb done 1602153027Sdougb for file in ${dir}/[^0-9]*.sh; do 1603153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1604153027Sdougb continue 1605153027Sdougb slist="$slist $file" 1606153027Sdougb done 1607153027Sdougb fi 1608153027Sdougb done 1609153027Sdougb} 1610153027Sdougb 1611153027Sdougbfind_local_scripts_new () { 1612153027Sdougb local_rc='' 1613153027Sdougb for dir in ${local_startup}; do 1614153027Sdougb if [ -d "${dir}" ]; then 1615153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1616153027Sdougb case "$file" in 1617153027Sdougb *.sample) ;; 1618153027Sdougb *) if [ -x "$file" ]; then 1619153027Sdougb local_rc="${local_rc} ${file}" 1620153027Sdougb fi 1621153027Sdougb ;; 1622153027Sdougb esac 1623153027Sdougb done 1624153027Sdougb fi 1625153027Sdougb done 1626153027Sdougb} 1627153027Sdougb 1628165565Syar# check_required_{before|after} command 1629165565Syar# Check for things required by the command before and after its precmd, 1630165565Syar# respectively. The two separate functions are needed because some 1631165565Syar# conditions should prevent precmd from being run while other things 1632165565Syar# depend on precmd having already been run. 1633165565Syar# 1634165565Syarcheck_required_before() 1635165565Syar{ 1636165565Syar local _f 1637165565Syar 1638165565Syar case "$1" in 1639165565Syar start) 1640165565Syar for _f in $required_vars; do 1641165565Syar if ! checkyesno $_f; then 1642165565Syar warn "\$${_f} is not enabled." 1643165565Syar if [ -z "$rc_force" ]; then 1644165565Syar return 1 1645165565Syar fi 1646165565Syar fi 1647165565Syar done 1648165565Syar 1649165565Syar for _f in $required_dirs; do 1650165565Syar if [ ! -d "${_f}/." ]; then 1651165565Syar warn "${_f} is not a directory." 1652165565Syar if [ -z "$rc_force" ]; then 1653165565Syar return 1 1654165565Syar fi 1655165565Syar fi 1656165565Syar done 1657165565Syar 1658165565Syar for _f in $required_files; do 1659165565Syar if [ ! -r "${_f}" ]; then 1660165565Syar warn "${_f} is not readable." 1661165565Syar if [ -z "$rc_force" ]; then 1662165565Syar return 1 1663165565Syar fi 1664165565Syar fi 1665165565Syar done 1666165565Syar ;; 1667165565Syar esac 1668165565Syar 1669165565Syar return 0 1670165565Syar} 1671165565Syar 1672165565Syarcheck_required_after() 1673165565Syar{ 1674165565Syar local _f _args 1675165565Syar 1676165565Syar case "$1" in 1677165565Syar start) 1678165565Syar for _f in $required_modules; do 1679165565Syar case "${_f}" in 1680165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1681165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1682165565Syar *) _args="${_f}" ;; 1683165565Syar esac 1684165565Syar if ! load_kld ${_args}; then 1685165565Syar if [ -z "$rc_force" ]; then 1686165565Syar return 1 1687165565Syar fi 1688165565Syar fi 1689165565Syar done 1690165565Syar ;; 1691165565Syar esac 1692165565Syar 1693165565Syar return 0 1694165565Syar} 1695165565Syar 1696131550Scpercivafi 1697157841Sflz 1698197144Shrs# _echoonce var msg mode 1699197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1700197144Shrs# After doing echo, a string is set to ${$var}. 1701197144Shrs# 1702197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1703197144Shrs# 1704197144Shrs_echoonce() 1705197144Shrs{ 1706197144Shrs local _var _msg _mode 1707197144Shrs _var=`eval echo \\$$1` 1708197144Shrs _msg=$2 1709197144Shrs _mode=$3 1710197144Shrs 1711197144Shrs case $_mode in 1712197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1713197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1714197144Shrs esac 1715197144Shrs} 1716197144Shrs 1717157841Sflz_rc_subr_loaded=: 1718