rc.subr revision 211311
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 211311 2010-08-14 18:58:05Z dougb $ 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# 1978344Sobrien# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2078344Sobrien# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2178344Sobrien# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2278344Sobrien# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2378344Sobrien# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2478344Sobrien# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2578344Sobrien# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2678344Sobrien# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2778344Sobrien# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2878344Sobrien# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2978344Sobrien# POSSIBILITY OF SUCH DAMAGE. 3078344Sobrien# 3178344Sobrien# rc.subr 3278344Sobrien# functions used by various rc scripts 3378344Sobrien# 3478344Sobrien 35157473Sflz: ${rcvar_manpage:='rc.conf(5)'} 36169668Smtm: ${RC_PID:=$$}; export RC_PID 37157473Sflz 3878344Sobrien# 3998186Sgordon# Operating System dependent/independent variables 4098186Sgordon# 4198186Sgordon 42131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 43131550Scperciva 44131550Scperciva_rc_subr_loaded="YES" 45131550Scperciva 4698186SgordonSYSCTL="/sbin/sysctl" 4798186SgordonSYSCTL_N="${SYSCTL} -n" 48202988SemasteSYSCTL_W="${SYSCTL}" 49124832SmtmID="/usr/bin/id" 50124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 51161435SyarPS="/bin/ps -ww" 52161435SyarJID=`$PS -p $$ -o jid=` 5398186Sgordon 5498186Sgordon# 5578344Sobrien# functions 5678344Sobrien# --------- 5778344Sobrien 58197144Shrs# set_rcvar [var] [defval] [desc] 5978344Sobrien# 60197144Shrs# Echo or define a rc.conf(5) variable name. Global variable 61197144Shrs# $rcvars is used. 6298186Sgordon# 63197144Shrs# If no argument is specified, echo "${name}_enable". 64197144Shrs# 65197144Shrs# If only a var is specified, echo "${var}_enable". 66197144Shrs# 67197144Shrs# If var and defval are specified, the ${var} is defined as 68197144Shrs# rc.conf(5) variable and the default value is ${defvar}. An 69197144Shrs# optional argument $desc can also be specified to add a 70197144Shrs# description for that. 71197144Shrs# 7298186Sgordonset_rcvar() 7398186Sgordon{ 74197144Shrs case $# in 75197144Shrs 0) 76197144Shrs echo ${name}_enable 7798186Sgordon ;; 78197144Shrs 1) 79197144Shrs echo ${1}_enable 8098186Sgordon ;; 8198186Sgordon *) 82197144Shrs debug "rcvar_define: \$$1=$2 is added" \ 83197144Shrs " as a rc.conf(5) variable." 84197144Shrs 85197144Shrs local _var 86197144Shrs _var=$1 87197144Shrs rcvars="${rcvars# } $_var" 88197144Shrs eval ${_var}_defval=\"$2\" 89197144Shrs shift 2 90197144Shrs # encode multiple lines of _desc 91197144Shrs for l in "$@"; do 92197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 93197144Shrs done 94197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}\" 9598186Sgordon ;; 9698186Sgordon esac 9798186Sgordon} 9898186Sgordon 99197144Shrs# set_rcvar_obsolete oldvar [newvar] [msg] 100197144Shrs# Define obsolete variable. 101197144Shrs# Global variable $rcvars_obsolete is used. 10298186Sgordon# 103197144Shrsset_rcvar_obsolete() 104197144Shrs{ 105197144Shrs local _var 106197144Shrs _var=$1 107197144Shrs debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 108197144Shrs 109197144Shrs rcvars_obsolete="${rcvars_obsolete# } $1" 110197144Shrs eval ${1}_newvar=\"$2\" 111197144Shrs shift 2 112197144Shrs eval ${_var}_obsolete_msg=\"$*\" 113197144Shrs} 114197144Shrs 115197144Shrs# 11698186Sgordon# force_depend script 11798186Sgordon# Force a service to start. Intended for use by services 11898186Sgordon# to resolve dependency issues. It is assumed the caller 11998186Sgordon# has check to make sure this call is necessary 12098186Sgordon# $1 - filename of script, in /etc/rc.d, to run 12198186Sgordon# 12298186Sgordonforce_depend() 12398186Sgordon{ 12498186Sgordon _depend="$1" 12598186Sgordon 12698186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 127146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 12898186Sgordon warn "Unable to force ${_depend}. It may already be running." 12998186Sgordon return 1 13098186Sgordon fi 13198186Sgordon return 0 13298186Sgordon} 13398186Sgordon 13498186Sgordon# 13578344Sobrien# checkyesno var 13678344Sobrien# Test $1 variable, and warn if not set to YES or NO. 13778344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 13878344Sobrien# 13978344Sobriencheckyesno() 14078344Sobrien{ 14178344Sobrien eval _value=\$${1} 14298186Sgordon debug "checkyesno: $1 is set to $_value." 14378344Sobrien case $_value in 14478344Sobrien 14578344Sobrien # "yes", "true", "on", or "1" 14678344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 14778344Sobrien return 0 14878344Sobrien ;; 14978344Sobrien 15078344Sobrien # "no", "false", "off", or "0" 15178344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 15278344Sobrien return 1 15378344Sobrien ;; 15478344Sobrien *) 155157473Sflz warn "\$${1} is not set properly - see ${rcvar_manpage}." 15678344Sobrien return 1 15778344Sobrien ;; 15878344Sobrien esac 15978344Sobrien} 16078344Sobrien 161157473Sflz# 16298186Sgordon# reverse_list list 16398186Sgordon# print the list in reverse order 16478344Sobrien# 16598186Sgordonreverse_list() 16698186Sgordon{ 16798186Sgordon _revlist= 168126286Smtm for _revfile; do 16998186Sgordon _revlist="$_revfile $_revlist" 17098186Sgordon done 17198186Sgordon echo $_revlist 17298186Sgordon} 17398186Sgordon 174169668Smtm# stop_boot always 175169668Smtm# If booting directly to multiuser or $always is enabled, 176169668Smtm# send SIGTERM to the parent (/etc/rc) to abort the boot. 177169668Smtm# Otherwise just exit. 17878344Sobrien# 179169668Smtmstop_boot() 180169668Smtm{ 181169668Smtm local always 182169668Smtm 183178776Smaxim case $1 in 184178776Smaxim # "yes", "true", "on", or "1" 185178770Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 186169668Smtm always=true 187178770Smtm ;; 188178770Smtm *) 189169668Smtm always=false 190178770Smtm ;; 191178775Smaxim esac 192169668Smtm if [ "$autoboot" = yes -o "$always" = true ]; then 193169668Smtm echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 194169668Smtm kill -TERM ${RC_PID} 195169668Smtm fi 196169668Smtm exit 1 197169668Smtm} 198169668Smtm 199169668Smtm# 20098186Sgordon# mount_critical_filesystems type 20198186Sgordon# Go through the list of critical filesystems as provided in 20298186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 20398186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 20498186Sgordon# 20578344Sobrienmount_critical_filesystems() 20678344Sobrien{ 20798186Sgordon eval _fslist=\$critical_filesystems_${1} 20878344Sobrien for _fs in $_fslist; do 20978344Sobrien mount | ( 210126285Smtm _ismounted=false 21178344Sobrien while read what _on on _type type; do 21278344Sobrien if [ $on = $_fs ]; then 213126285Smtm _ismounted=true 21478344Sobrien fi 21578344Sobrien done 216126285Smtm if $_ismounted; then 217126285Smtm : 218126285Smtm else 21978344Sobrien mount $_fs >/dev/null 2>&1 22078344Sobrien fi 22198186Sgordon ) 22278344Sobrien done 22378344Sobrien} 22478344Sobrien 22578344Sobrien# 22698186Sgordon# check_pidfile pidfile procname [interpreter] 22798186Sgordon# Parses the first line of pidfile for a PID, and ensures 22878344Sobrien# that the process is running and matches procname. 22998186Sgordon# Prints the matching PID upon success, nothing otherwise. 23098186Sgordon# interpreter is optional; see _find_processes() for details. 23178344Sobrien# 23278344Sobriencheck_pidfile() 23378344Sobrien{ 23478344Sobrien _pidfile=$1 23578344Sobrien _procname=$2 23698186Sgordon _interpreter=$3 23778344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 23898186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 23978344Sobrien fi 24078344Sobrien if [ ! -f $_pidfile ]; then 241131061Smtm debug "pid file ($_pidfile): not readable." 24278344Sobrien return 24378344Sobrien fi 24478344Sobrien read _pid _junk < $_pidfile 24578344Sobrien if [ -z "$_pid" ]; then 246139949Skeramida debug "pid file ($_pidfile): no pid in file." 24778344Sobrien return 24878344Sobrien fi 24998186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 25078344Sobrien} 25178344Sobrien 25278344Sobrien# 25398186Sgordon# check_process procname [interpreter] 25478344Sobrien# Ensures that a process (or processes) named procname is running. 25598186Sgordon# Prints a list of matching PIDs. 25698186Sgordon# interpreter is optional; see _find_processes() for details. 25778344Sobrien# 25878344Sobriencheck_process() 25978344Sobrien{ 26078344Sobrien _procname=$1 26198186Sgordon _interpreter=$2 26278344Sobrien if [ -z "$_procname" ]; then 26398186Sgordon err 3 'USAGE: check_process procname [interpreter]' 26478344Sobrien fi 26598186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 26698186Sgordon} 26798186Sgordon 26898186Sgordon# 26998186Sgordon# _find_processes procname interpreter psargs 27098186Sgordon# Search for procname in the output of ps generated by psargs. 27198186Sgordon# Prints the PIDs of any matching processes, space separated. 27298186Sgordon# 27398186Sgordon# If interpreter == ".", check the following variations of procname 27498186Sgordon# against the first word of each command: 27598186Sgordon# procname 27698186Sgordon# `basename procname` 27798186Sgordon# `basename procname` + ":" 27898186Sgordon# "(" + `basename procname` + ")" 279155719Sceri# "[" + `basename procname` + "]" 28098186Sgordon# 28198186Sgordon# If interpreter != ".", read the first line of procname, remove the 28298186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 28398186Sgordon# match that against each command, either as is, or with extra words 284157841Sflz# at the end. As an alternative, to deal with interpreted daemons 285157841Sflz# using perl, the basename of the interpreter plus a colon is also 286157841Sflz# tried as the prefix to procname. 28798186Sgordon# 28898186Sgordon_find_processes() 28998186Sgordon{ 29098186Sgordon if [ $# -ne 3 ]; then 29198186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 29298186Sgordon fi 29398186Sgordon _procname=$1 29498186Sgordon _interpreter=$2 29598186Sgordon _psargs=$3 29698186Sgordon 29778344Sobrien _pref= 29898186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 299170282Syar _script=${_chroot}${_chroot:+"/"}$_procname 300170282Syar if [ -r $_script ]; then 301170282Syar read _interp < $_script # read interpreter name 302170282Syar case "$_interp" in 303170282Syar \#!*) 304170282Syar _interp=${_interp#\#!} # strip #! 305170282Syar set -- $_interp 306170282Syar case $1 in 307170282Syar */bin/env) 308170282Syar shift # drop env to get real name 309170282Syar ;; 310170282Syar esac 311170282Syar if [ $_interpreter != $1 ]; then 312170282Syar warn "\$command_interpreter $_interpreter != $1" 313170282Syar fi 314170282Syar ;; 315170282Syar *) 316170282Syar warn "no shebang line in $_script" 317170282Syar set -- $_interpreter 318170282Syar ;; 319170282Syar esac 320170282Syar else 321170282Syar warn "cannot read shebang line from $_script" 322170282Syar set -- $_interpreter 32378344Sobrien fi 32498186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 325157841Sflz _interpbn=${1##*/} 32698186Sgordon _fp_args='_argv' 32798186Sgordon _fp_match='case "$_argv" in 328157841Sflz ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 32998186Sgordon else # a normal daemon 33098186Sgordon _procnamebn=${_procname##*/} 33198186Sgordon _fp_args='_arg0 _argv' 33298186Sgordon _fp_match='case "$_arg0" in 333151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 33498186Sgordon fi 33598186Sgordon 336161435Syar _proccheck="\ 337161436Syar $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 338157657Sflz while read _npid _jid '"$_fp_args"'; do 339161436Syar '"$_fp_match"' 340157657Sflz if [ "$JID" -eq "$_jid" ]; 341157657Sflz then echo -n "$_pref$_npid"; 342157657Sflz _pref=" "; 343157657Sflz fi 34498186Sgordon ;; 34598186Sgordon esac 34698186Sgordon done' 34798186Sgordon 348114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 34998186Sgordon eval $_proccheck 35098186Sgordon} 35198186Sgordon 35298186Sgordon# 35398186Sgordon# wait_for_pids pid [pid ...] 35498186Sgordon# spins until none of the pids exist 35598186Sgordon# 35698186Sgordonwait_for_pids() 35798186Sgordon{ 358206248Sdougb local _list _prefix _nlist _j 359206248Sdougb 360126286Smtm _list="$@" 36198186Sgordon if [ -z "$_list" ]; then 36298186Sgordon return 36398186Sgordon fi 36498186Sgordon _prefix= 36598186Sgordon while true; do 36698186Sgordon _nlist=""; 36798186Sgordon for _j in $_list; do 36898186Sgordon if kill -0 $_j 2>/dev/null; then 36998186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 370206248Sdougb [ -n "$_prefix" ] && sleep 1 37198186Sgordon fi 37298186Sgordon done 37398186Sgordon if [ -z "$_nlist" ]; then 37498186Sgordon break 37578344Sobrien fi 37698186Sgordon _list=$_nlist 37798186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 37898186Sgordon _prefix=", " 379206248Sdougb pwait $_list 2>/dev/null 38078344Sobrien done 38198186Sgordon if [ -n "$_prefix" ]; then 38298186Sgordon echo "." 38398186Sgordon fi 38478344Sobrien} 38578344Sobrien 38678344Sobrien# 387197947Sdougb# check_startmsgs 388197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 389197947Sdougb# boot time) check if rc_startmsgs is enabled. 390197947Sdougb# 391197947Sdougbcheck_startmsgs() 392197947Sdougb{ 393197947Sdougb if [ -n "$rc_quiet" ]; then 394197947Sdougb checkyesno rc_startmsgs 395197947Sdougb else 396197947Sdougb return 0 397197947Sdougb fi 398197947Sdougb} 399197947Sdougb 400197947Sdougb# 40198186Sgordon# run_rc_command argument 40298186Sgordon# Search for argument in the list of supported commands, which is: 40398186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 40498186Sgordon# If there's a match, run ${argument}_cmd or the default method 40598186Sgordon# (see below). 40678344Sobrien# 40798186Sgordon# If argument has a given prefix, then change the operation as follows: 40898186Sgordon# Prefix Operation 40978344Sobrien# ------ --------- 410175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 41198186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 412126303Smtm# one Set ${rcvar} to YES 413175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 41478344Sobrien# 41578344Sobrien# The following globals are used: 41678344Sobrien# 41798186Sgordon# Name Needed Purpose 41898186Sgordon# ---- ------ ------- 41978344Sobrien# name y Name of script. 42078344Sobrien# 42178344Sobrien# command n Full path to command. 42298186Sgordon# Not needed if ${rc_arg}_cmd is set for 42378344Sobrien# each keyword. 42478344Sobrien# 42578344Sobrien# command_args n Optional args/shell directives for command. 42678344Sobrien# 42798186Sgordon# command_interpreter n If not empty, command is interpreted, so 42898186Sgordon# call check_{pidfile,process}() appropriately. 42998186Sgordon# 430197144Shrs# desc n Description of script. 431197144Shrs# 43278344Sobrien# extra_commands n List of extra commands supported. 43378344Sobrien# 43498186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 43598186Sgordon# otherwise use check_process $command. 43698186Sgordon# In either case, only check if $command is set. 43778344Sobrien# 43898186Sgordon# procname n Process name to check for instead of $command. 43998186Sgordon# 44078344Sobrien# rcvar n This is checked with checkyesno to determine 44178344Sobrien# if the action should be run. 44278344Sobrien# 443157653Sflz# ${name}_program n Full path to command. 444157653Sflz# Meant to be used in /etc/rc.conf to override 445157653Sflz# ${command}. 446157653Sflz# 44778344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 44898186Sgordon# Requires /usr to be mounted. 44978344Sobrien# 45078344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 45178344Sobrien# (if not using ${name}_chroot). 45278344Sobrien# 45378344Sobrien# ${name}_flags n Arguments to call ${command} with. 45478344Sobrien# NOTE: $flags from the parent environment 45578344Sobrien# can be used to override this. 45678344Sobrien# 45778344Sobrien# ${name}_nice n Nice level to run ${command} at. 45878344Sobrien# 45978344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 46078344Sobrien# using ${name}_chroot. 46198186Sgordon# Requires /usr to be mounted. 46278344Sobrien# 46378344Sobrien# ${name}_group n Group to run chrooted ${command} as. 46498186Sgordon# Requires /usr to be mounted. 46578344Sobrien# 46698186Sgordon# ${name}_groups n Comma separated list of supplementary groups 46798186Sgordon# to run the chrooted ${command} with. 46898186Sgordon# Requires /usr to be mounted. 46978344Sobrien# 47098186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 47178344Sobrien# Otherwise, use default command (see below) 47278344Sobrien# 47398186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 47498186Sgordon# ${rc_arg}_cmd method in the default 47598186Sgordon# operation (i.e, after checking for required 47698186Sgordon# bits and process (non)existence). 47778344Sobrien# If this completes with a non-zero exit code, 47898186Sgordon# don't run ${rc_arg}_cmd. 47978344Sobrien# 48098186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 48198186Sgordon# ${rc_arg}_cmd method, if that method 48298186Sgordon# returned a zero exit code. 48398186Sgordon# 48478344Sobrien# required_dirs n If set, check for the existence of the given 485165565Syar# directories before running a (re)start command. 48678344Sobrien# 48778344Sobrien# required_files n If set, check for the readability of the given 488165565Syar# files before running a (re)start command. 48978344Sobrien# 490165565Syar# required_modules n If set, ensure the given kernel modules are 491165565Syar# loaded before running a (re)start command. 492165565Syar# The check and possible loads are actually 493165565Syar# done after start_precmd so that the modules 494165565Syar# aren't loaded in vain, should the precmd 495165565Syar# return a non-zero status to indicate a error. 496165565Syar# If a word in the list looks like "foo:bar", 497165565Syar# "foo" is the KLD file name and "bar" is the 498165565Syar# module name. If a word looks like "foo~bar", 499165565Syar# "foo" is the KLD file name and "bar" is a 500165565Syar# egrep(1) pattern matching the module name. 501165565Syar# Otherwise the module name is assumed to be 502165565Syar# the same as the KLD file name, which is most 503165565Syar# common. See load_kld(). 504165565Syar# 50578344Sobrien# required_vars n If set, perform checkyesno on each of the 50678344Sobrien# listed variables before running the default 50778344Sobrien# (re)start command. 50878344Sobrien# 50998186Sgordon# Default behaviour for a given argument, if no override method is 51098186Sgordon# provided: 51178344Sobrien# 51298186Sgordon# Argument Default behaviour 51398186Sgordon# -------- ----------------- 51478344Sobrien# start if !running && checkyesno ${rcvar} 51578344Sobrien# ${command} 51678344Sobrien# 51778344Sobrien# stop if ${pidfile} 51898186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 51978344Sobrien# else 52098186Sgordon# rc_pid=$(check_process $command) 52198186Sgordon# kill $sig_stop $rc_pid 52298186Sgordon# wait_for_pids $rc_pid 52398186Sgordon# ($sig_stop defaults to TERM.) 52478344Sobrien# 52598186Sgordon# reload Similar to stop, except use $sig_reload instead, 52698186Sgordon# and doesn't wait_for_pids. 52778344Sobrien# $sig_reload defaults to HUP. 528151685Syar# Note that `reload' isn't provided by default, 529151685Syar# it should be enabled via $extra_commands. 53078344Sobrien# 53178344Sobrien# restart Run `stop' then `start'. 53278344Sobrien# 53398186Sgordon# status Show if ${command} is running, etc. 53478344Sobrien# 53598186Sgordon# poll Wait for ${command} to exit. 53698186Sgordon# 53798186Sgordon# rcvar Display what rc.conf variable is used (if any). 53898186Sgordon# 53998186Sgordon# Variables available to methods, and after run_rc_command() has 54098186Sgordon# completed: 54198186Sgordon# 54298186Sgordon# Variable Purpose 54398186Sgordon# -------- ------- 544126303Smtm# rc_arg Argument to command, after fast/force/one processing 54598186Sgordon# performed 54698186Sgordon# 54798186Sgordon# rc_flags Flags to start the default command with. 54898186Sgordon# Defaults to ${name}_flags, unless overridden 54998186Sgordon# by $flags from the environment. 55098186Sgordon# This variable may be changed by the precmd method. 55198186Sgordon# 55298186Sgordon# rc_pid PID of command (if appropriate) 55398186Sgordon# 55498186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 55598186Sgordon# 55698186Sgordon# rc_force Not empty if "force" was provided (q.v.) 55798186Sgordon# 558175676Smtm# rc_quiet Not empty if "quiet" was provided 55998186Sgordon# 560175676Smtm# 56178344Sobrienrun_rc_command() 56278344Sobrien{ 563116097Smtm _return=0 56498186Sgordon rc_arg=$1 56578344Sobrien if [ -z "$name" ]; then 56698186Sgordon err 3 'run_rc_command: $name is not set.' 56778344Sobrien fi 56878344Sobrien 569132892Smtm # Don't repeat the first argument when passing additional command- 570132892Smtm # line arguments to the command subroutines. 571132892Smtm # 572132892Smtm shift 1 573132892Smtm rc_extra_args="$*" 574132892Smtm 575126303Smtm _rc_prefix= 57698186Sgordon case "$rc_arg" in 57778344Sobrien fast*) # "fast" prefix; don't check pid 57898186Sgordon rc_arg=${rc_arg#fast} 57998186Sgordon rc_fast=yes 580175676Smtm rc_quiet=yes 58178344Sobrien ;; 582198216Sed force*) # "force" prefix; always run 58398186Sgordon rc_force=yes 584126303Smtm _rc_prefix=force 585126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 58678344Sobrien if [ -n "${rcvar}" ]; then 58778344Sobrien eval ${rcvar}=YES 58878344Sobrien fi 58978344Sobrien ;; 590126303Smtm one*) # "one" prefix; set ${rcvar}=yes 591126303Smtm _rc_prefix=one 592126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 593126303Smtm if [ -n "${rcvar}" ]; then 594126303Smtm eval ${rcvar}=YES 595126303Smtm fi 596126303Smtm ;; 597175676Smtm quiet*) # "quiet" prefix; omit some messages 598175676Smtm _rc_prefix=quiet 599175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 600175676Smtm rc_quiet=yes 601175676Smtm ;; 60278344Sobrien esac 60378344Sobrien 604161530Sflz eval _override_command=\$${name}_program 605198162Sdougb command=${_override_command:-$command} 606161530Sflz 60778344Sobrien _keywords="start stop restart rcvar $extra_commands" 60898186Sgordon rc_pid= 60978344Sobrien _pidcmd= 61098186Sgordon _procname=${procname:-${command}} 61198186Sgordon 612131135Smtm # setup pid check command 613131135Smtm if [ -n "$_procname" ]; then 61478344Sobrien if [ -n "$pidfile" ]; then 61598186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 61698186Sgordon else 61798186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 61878344Sobrien fi 61978344Sobrien if [ -n "$_pidcmd" ]; then 62098186Sgordon _keywords="${_keywords} status poll" 62178344Sobrien fi 62278344Sobrien fi 62378344Sobrien 62498186Sgordon if [ -z "$rc_arg" ]; then 625150796Syar rc_usage $_keywords 62678344Sobrien fi 62778344Sobrien 62878344Sobrien if [ -n "$flags" ]; then # allow override from environment 62998186Sgordon rc_flags=$flags 63078344Sobrien else 63198186Sgordon eval rc_flags=\$${name}_flags 63278344Sobrien fi 63398186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 63498186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 63598186Sgordon _group=\$${name}_group _groups=\$${name}_groups 63678344Sobrien 63798186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 638124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 63998186Sgordon unset _user 64098186Sgordon fi 64198186Sgordon fi 64298186Sgordon 643179870Smtm eval $_pidcmd # determine the pid if necessary 644179870Smtm 645179870Smtm for _elem in $_keywords; do 646179870Smtm if [ "$_elem" != "$rc_arg" ]; then 647179870Smtm continue 648179870Smtm fi 649206686Sdougb # if ${rcvar} is set, $1 is not "rcvar" 650206686Sdougb # and ${rc_pid} is not set, then run 65178344Sobrien # checkyesno ${rcvar} 65278344Sobrien # and return if that failed 65378344Sobrien # 654206686Sdougb if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a -z "${rc_pid}" ]; then 655179870Smtm if ! checkyesno ${rcvar}; then 656179870Smtm if [ -n "${rc_quiet}" ]; then 657179870Smtm return 0 658179870Smtm fi 659179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 660179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 661179870Smtm echo "instead of '${rc_arg}'." 662175676Smtm return 0 663175676Smtm fi 66478344Sobrien fi 66578344Sobrien 66678344Sobrien # if there's a custom ${XXX_cmd}, 66778344Sobrien # run that instead of the default 66878344Sobrien # 669165565Syar eval _cmd=\$${rc_arg}_cmd \ 670165565Syar _precmd=\$${rc_arg}_precmd \ 671165565Syar _postcmd=\$${rc_arg}_postcmd 672165565Syar 67378344Sobrien if [ -n "$_cmd" ]; then 674165565Syar _run_rc_precmd || return 1 675165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 676165565Syar _run_rc_postcmd 677116097Smtm return $_return 67878344Sobrien fi 67978344Sobrien 68098186Sgordon case "$rc_arg" in # default operations... 68178344Sobrien 68278344Sobrien status) 683165565Syar _run_rc_precmd || return 1 68498186Sgordon if [ -n "$rc_pid" ]; then 68598186Sgordon echo "${name} is running as pid $rc_pid." 68678344Sobrien else 68778344Sobrien echo "${name} is not running." 68878344Sobrien return 1 68978344Sobrien fi 690165565Syar _run_rc_postcmd 69178344Sobrien ;; 69278344Sobrien 69378344Sobrien start) 694131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 695157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 696153152Syar return 1 69778344Sobrien fi 69878344Sobrien 699167413Syar if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 700160667Syar warn "run_rc_command: cannot run $command" 701153152Syar return 1 70278344Sobrien fi 70378344Sobrien 704179946Smtm if ! _run_rc_precmd; then 705179946Smtm warn "failed precmd routine for ${name}" 706179946Smtm return 1 707179946Smtm fi 70878344Sobrien 709160668Syar # setup the full command to run 71078344Sobrien # 711197947Sdougb check_startmsgs && echo "Starting ${name}." 71278344Sobrien if [ -n "$_chroot" ]; then 71378344Sobrien _doit="\ 71478344Sobrien${_nice:+nice -n $_nice }\ 71578344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 71698186Sgordon$_chroot $command $rc_flags $command_args" 71778344Sobrien else 71878344Sobrien _doit="\ 719161396Syar${_chdir:+cd $_chdir && }\ 72098186Sgordon$command $rc_flags $command_args" 72198186Sgordon if [ -n "$_user" ]; then 72298186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72398186Sgordon fi 724161396Syar if [ -n "$_nice" ]; then 725161396Syar if [ -z "$_user" ]; then 726161396Syar _doit="sh -c \"$_doit\"" 727201036Sdougb fi 728161396Syar _doit="nice -n $_nice $_doit" 729161396Syar fi 73078344Sobrien fi 73198186Sgordon 732165565Syar # run the full command 73398186Sgordon # 734179946Smtm if ! _run_rc_doit "$_doit"; then 735179946Smtm warn "failed to start ${name}" 736179946Smtm return 1 737179946Smtm fi 73898186Sgordon 73998186Sgordon # finally, run postcmd 74098186Sgordon # 741165565Syar _run_rc_postcmd 74278344Sobrien ;; 74378344Sobrien 74478344Sobrien stop) 74598186Sgordon if [ -z "$rc_pid" ]; then 746153152Syar [ -n "$rc_fast" ] && return 0 747165565Syar _run_rc_notrunning 748153152Syar return 1 74978344Sobrien fi 75078344Sobrien 751165565Syar _run_rc_precmd || return 1 75298186Sgordon 75398186Sgordon # send the signal to stop 75498186Sgordon # 75578344Sobrien echo "Stopping ${name}." 756165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 757165565Syar _run_rc_doit "$_doit" || return 1 75898186Sgordon 75998186Sgordon # wait for the command to exit, 76098186Sgordon # and run postcmd. 76198186Sgordon wait_for_pids $rc_pid 762165565Syar 763165565Syar _run_rc_postcmd 76478344Sobrien ;; 76578344Sobrien 76678344Sobrien reload) 76798186Sgordon if [ -z "$rc_pid" ]; then 768165565Syar _run_rc_notrunning 769153152Syar return 1 77078344Sobrien fi 771165565Syar 772165565Syar _run_rc_precmd || return 1 773165565Syar 774165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 775165565Syar _run_rc_doit "$_doit" || return 1 776165565Syar 777165565Syar _run_rc_postcmd 77878344Sobrien ;; 77978344Sobrien 78078344Sobrien restart) 78178344Sobrien # prevent restart being called more 78278344Sobrien # than once by any given script 78378344Sobrien # 784126285Smtm if ${_rc_restart_done:-false}; then 78578344Sobrien return 0 78678344Sobrien fi 787126285Smtm _rc_restart_done=true 78878344Sobrien 789165565Syar _run_rc_precmd || return 1 790165565Syar 791165565Syar # run those in a subshell to keep global variables 792152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 793165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 794165565Syar _return=$? 795165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 79698186Sgordon 797165565Syar _run_rc_postcmd 79878344Sobrien ;; 79978344Sobrien 80098186Sgordon poll) 801165565Syar _run_rc_precmd || return 1 80298186Sgordon if [ -n "$rc_pid" ]; then 80398186Sgordon wait_for_pids $rc_pid 80498186Sgordon fi 805165565Syar _run_rc_postcmd 80698186Sgordon ;; 80798186Sgordon 80878344Sobrien rcvar) 809197144Shrs echo -n "# $name" 810197144Shrs if [ -n "$desc" ]; then 811197144Shrs echo " : $desc" 812197144Shrs else 813197144Shrs echo "" 814197144Shrs fi 815197144Shrs echo "#" 816197144Shrs # Get unique vars in $rcvar $rcvars 817197144Shrs for _v in $rcvar $rcvars; do 818197144Shrs case $v in 819197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 820197144Shrs *) v="${v# } $_v" ;; 821197144Shrs esac 822197144Shrs done 823197144Shrs 824197144Shrs # Display variables. 825197144Shrs for _v in $v; do 826197144Shrs if [ -z "$_v" ]; then 827197144Shrs continue 82878344Sobrien fi 829197144Shrs 830197144Shrs eval _desc=\$${_v}_desc 831197144Shrs eval _defval=\$${_v}_defval 832197144Shrs _h="-" 833197144Shrs 834197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 835197144Shrs # decode multiple lines of _desc 836197144Shrs while [ -n "$_desc" ]; do 837197144Shrs case $_desc in 838197144Shrs *^^*) 839197144Shrs echo "# $_h ${_desc%%^^*}" 840197144Shrs _desc=${_desc#*^^} 841197144Shrs _h=" " 842197144Shrs ;; 843197144Shrs *) 844197144Shrs echo "# $_h ${_desc}" 845197144Shrs break 846197144Shrs ;; 847197144Shrs esac 848197144Shrs done 849197144Shrs echo "# (default: \"$_defval\")" 850197144Shrs done 851197144Shrs echo "" 85278344Sobrien ;; 85378344Sobrien 85478344Sobrien *) 855150796Syar rc_usage $_keywords 85678344Sobrien ;; 85778344Sobrien 85878344Sobrien esac 859116097Smtm return $_return 86078344Sobrien done 86178344Sobrien 86298186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 863150796Syar rc_usage $_keywords 864153152Syar # not reached 86578344Sobrien} 86678344Sobrien 86778344Sobrien# 868165565Syar# Helper functions for run_rc_command: common code. 869165565Syar# They use such global variables besides the exported rc_* ones: 870165565Syar# 871165565Syar# name R/W 872165565Syar# ------------------ 873165565Syar# _precmd R 874165565Syar# _postcmd R 875165565Syar# _return W 876165565Syar# 877165565Syar_run_rc_precmd() 878165565Syar{ 879165565Syar check_required_before "$rc_arg" || return 1 880165565Syar 881165565Syar if [ -n "$_precmd" ]; then 882165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 883165565Syar eval "$_precmd $rc_extra_args" 884165565Syar _return=$? 885165565Syar 886165565Syar # If precmd failed and force isn't set, request exit. 887165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 888165565Syar return 1 889165565Syar fi 890165565Syar fi 891165565Syar 892165565Syar check_required_after "$rc_arg" || return 1 893165565Syar 894165565Syar return 0 895165565Syar} 896165565Syar 897165565Syar_run_rc_postcmd() 898165565Syar{ 899165565Syar if [ -n "$_postcmd" ]; then 900165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 901165565Syar eval "$_postcmd $rc_extra_args" 902165565Syar _return=$? 903165565Syar fi 904165565Syar return 0 905165565Syar} 906165565Syar 907165565Syar_run_rc_doit() 908165565Syar{ 909165565Syar debug "run_rc_command: doit: $*" 910165565Syar eval "$@" 911165565Syar _return=$? 912165565Syar 913165565Syar # If command failed and force isn't set, request exit. 914165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 915165565Syar return 1 916165565Syar fi 917165565Syar 918165565Syar return 0 919165565Syar} 920165565Syar 921165565Syar_run_rc_notrunning() 922165565Syar{ 923165565Syar local _pidmsg 924165565Syar 925165565Syar if [ -n "$pidfile" ]; then 926165565Syar _pidmsg=" (check $pidfile)." 927165565Syar else 928165565Syar _pidmsg= 929165565Syar fi 930165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 931165565Syar} 932165565Syar 933165565Syar_run_rc_killcmd() 934165565Syar{ 935165565Syar local _cmd 936165565Syar 937165565Syar _cmd="kill -$1 $rc_pid" 938165565Syar if [ -n "$_user" ]; then 939165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 940165565Syar fi 941165565Syar echo "$_cmd" 942165565Syar} 943165565Syar 944165565Syar# 94578344Sobrien# run_rc_script file arg 94678344Sobrien# Start the script `file' with `arg', and correctly handle the 947201038Sdougb# return value from the script. 948201038Sdougb# If `file' ends with `.sh', it's sourced into the current environment 949201038Sdougb# when $rc_fast_and_loose is set, otherwise it is run as a child process. 950201038Sdougb# If `file' appears to be a backup or scratch file, ignore it. 951201038Sdougb# Otherwise if it is executable run as a child process. 95278344Sobrien# 95378344Sobrienrun_rc_script() 95478344Sobrien{ 95578344Sobrien _file=$1 95678344Sobrien _arg=$2 95778344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 95878344Sobrien err 3 'USAGE: run_rc_script file arg' 95978344Sobrien fi 96078344Sobrien 96198186Sgordon unset name command command_args command_interpreter \ 96298186Sgordon extra_commands pidfile procname \ 963197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 964197144Shrs required_vars 96598186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 96698186Sgordon 96778344Sobrien case "$_file" in 968193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 969193118Sdougb warn "Ignoring old-style startup script $_file" 97078344Sobrien ;; 971153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 97298186Sgordon warn "Ignoring scratch file $_file" 97398186Sgordon ;; 97478344Sobrien *) # run in subshell 97598186Sgordon if [ -x $_file ]; then 97698186Sgordon if [ -n "$rc_fast_and_loose" ]; then 977146490Sschweikh set $_arg; . $_file 97898186Sgordon else 979130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 980130161Smtm trap "echo Script $_file interrupted; exit 1" 2 981184317Sthompsa trap "echo Script $_file running" 29 982146490Sschweikh set $_arg; . $_file ) 98398186Sgordon fi 98498186Sgordon fi 98578344Sobrien ;; 98678344Sobrien esac 98778344Sobrien} 98878344Sobrien 98978344Sobrien# 990157653Sflz# load_rc_config name 991157653Sflz# Source in the configuration file for a given name. 99278344Sobrien# 99378344Sobrienload_rc_config() 99478344Sobrien{ 995197144Shrs local _name _var _defval _v _msg _new 996157653Sflz _name=$1 997157653Sflz if [ -z "$_name" ]; then 998157653Sflz err 3 'USAGE: load_rc_config name' 99978344Sobrien fi 100078344Sobrien 1001126285Smtm if ${_rc_conf_loaded:-false}; then 1002126285Smtm : 1003126285Smtm else 100498186Sgordon if [ -r /etc/defaults/rc.conf ]; then 100598186Sgordon debug "Sourcing /etc/defaults/rc.conf" 100698186Sgordon . /etc/defaults/rc.conf 100798186Sgordon source_rc_confs 100898186Sgordon elif [ -r /etc/rc.conf ]; then 100998186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 101098186Sgordon . /etc/rc.conf 101198186Sgordon fi 1012126285Smtm _rc_conf_loaded=true 101398186Sgordon fi 1014161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1015157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1016161530Sflz . /etc/rc.conf.d/"$_name" 1017157653Sflz fi 1018179872Smtm 1019211311Sdougb # Old variable name support -- Remove before 9.0-RELEASE 1020179872Smtm # 1021211311Sdougb [ -n "$enable_quotas" ] && err 1 "enable_quotas is deprecated, use quotas_enable" 1022197144Shrs 1023197144Shrs # Set defaults if defined. 1024197144Shrs for _var in $rcvar $rcvars; do 1025197144Shrs _defval=`eval echo "\\\$${_var}_defval"` 1026197144Shrs if [ -n "$_defval" ]; then 1027197144Shrs eval : \${$_var:=\$${_var}_defval} 1028197144Shrs fi 1029197144Shrs done 1030197144Shrs 1031197144Shrs # check obsolete rc.conf variables 1032197144Shrs for _var in $rcvars_obsolete; do 1033197144Shrs _v=`eval echo \\$$_var` 1034197144Shrs _msg=`eval echo \\$${_var}_obsolete_msg` 1035197144Shrs _new=`eval echo \\$${_var}_newvar` 1036197144Shrs case $_v in 1037197144Shrs "") 1038197144Shrs ;; 1039197144Shrs *) 1040197144Shrs if [ -z "$_new" ]; then 1041197144Shrs _msg="Ignored." 1042197144Shrs else 1043197144Shrs eval $_new=\"\$$_var\" 1044197144Shrs if [ -z "$_msg" ]; then 1045197144Shrs _msg="Use \$$_new instead." 1046197144Shrs fi 1047197144Shrs fi 1048197144Shrs warn "\$$_var is obsolete. $_msg" 1049197144Shrs ;; 1050197144Shrs esac 1051197144Shrs done 105278344Sobrien} 1053201036Sdougb 1054157473Sflz# 1055157653Sflz# load_rc_config_var name var 1056157653Sflz# Read the rc.conf(5) var for name and set in the 1057157473Sflz# current shell, using load_rc_config in a subshell to prevent 1058157473Sflz# unwanted side effects from other variable assignments. 1059157473Sflz# 1060157473Sflzload_rc_config_var() 1061157473Sflz{ 1062157473Sflz if [ $# -ne 2 ]; then 1063157653Sflz err 3 'USAGE: load_rc_config_var name var' 1064157473Sflz fi 1065157473Sflz eval $(eval '( 1066157473Sflz load_rc_config '$1' >/dev/null; 1067157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1068157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1069157473Sflz fi 1070157473Sflz )' ) 1071157473Sflz} 107278344Sobrien 107378344Sobrien# 107478344Sobrien# rc_usage commands 107578344Sobrien# Print a usage string for $0, with `commands' being a list of 107678344Sobrien# valid commands. 107778344Sobrien# 107878344Sobrienrc_usage() 107978344Sobrien{ 1080126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 108178344Sobrien 108278344Sobrien _sep= 1083126286Smtm for _elem; do 108478344Sobrien echo -n 1>&2 "$_sep$_elem" 108578344Sobrien _sep="|" 108678344Sobrien done 108778344Sobrien echo 1>&2 ")" 108878344Sobrien exit 1 108978344Sobrien} 109078344Sobrien 109178344Sobrien# 109278344Sobrien# err exitval message 109378344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 109478344Sobrien# 109578344Sobrienerr() 109678344Sobrien{ 109778344Sobrien exitval=$1 109878344Sobrien shift 109978344Sobrien 1100106643Sgordon if [ -x /usr/bin/logger ]; then 1101106643Sgordon logger "$0: ERROR: $*" 1102106643Sgordon fi 1103106643Sgordon echo 1>&2 "$0: ERROR: $*" 110478344Sobrien exit $exitval 110578344Sobrien} 110678344Sobrien 110778344Sobrien# 110878344Sobrien# warn message 110978344Sobrien# Display message to stderr and log to the syslog. 111078344Sobrien# 111178344Sobrienwarn() 111278344Sobrien{ 1113106643Sgordon if [ -x /usr/bin/logger ]; then 1114106643Sgordon logger "$0: WARNING: $*" 1115106643Sgordon fi 1116106643Sgordon echo 1>&2 "$0: WARNING: $*" 111778344Sobrien} 111898186Sgordon 111998186Sgordon# 112098186Sgordon# info message 112198186Sgordon# Display informational message to stdout and log to syslog. 112298186Sgordon# 112398186Sgordoninfo() 112498186Sgordon{ 1125119170Smtm case ${rc_info} in 1126119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1127119170Smtm if [ -x /usr/bin/logger ]; then 1128119170Smtm logger "$0: INFO: $*" 1129119170Smtm fi 1130119170Smtm echo "$0: INFO: $*" 1131119170Smtm ;; 1132119170Smtm esac 113398186Sgordon} 113498186Sgordon 113598186Sgordon# 113698186Sgordon# debug message 1137106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 113898186Sgordon# BEWARE that you don't call any subroutine that itself calls this 113998186Sgordon# function. 114098186Sgordon# 114198186Sgordondebug() 114298186Sgordon{ 114398186Sgordon case ${rc_debug} in 114498186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1145106700Sgordon if [ -x /usr/bin/logger ]; then 1146162947Syar logger "$0: DEBUG: $*" 1147106700Sgordon fi 1148146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 114998186Sgordon ;; 115098186Sgordon esac 115198186Sgordon} 115298186Sgordon 115398186Sgordon# 115498186Sgordon# backup_file action file cur backup 115598186Sgordon# Make a backup copy of `file' into `cur', and save the previous 115698186Sgordon# version of `cur' as `backup' or use rcs for archiving. 115798186Sgordon# 115898186Sgordon# This routine checks the value of the backup_uses_rcs variable, 115998186Sgordon# which can be either YES or NO. 116098186Sgordon# 116198186Sgordon# The `action' keyword can be one of the following: 116298186Sgordon# 116398186Sgordon# add `file' is now being backed up (and is possibly 116498186Sgordon# being reentered into the backups system). `cur' 116598186Sgordon# is created and RCS files, if necessary, are 116698186Sgordon# created as well. 116798186Sgordon# 116898186Sgordon# update `file' has changed and needs to be backed up. 116998186Sgordon# If `cur' exists, it is copied to to `back' or 117098186Sgordon# checked into RCS (if the repository file is old), 117198186Sgordon# and then `file' is copied to `cur'. Another RCS 117298186Sgordon# check in done here if RCS is being used. 117398186Sgordon# 117498186Sgordon# remove `file' is no longer being tracked by the backups 117598186Sgordon# system. If RCS is not being used, `cur' is moved 117698186Sgordon# to `back', otherwise an empty file is checked in, 117798186Sgordon# and then `cur' is removed. 117898186Sgordon# 117998186Sgordon# 118098186Sgordonbackup_file() 118198186Sgordon{ 118298186Sgordon _action=$1 118398186Sgordon _file=$2 118498186Sgordon _cur=$3 118598186Sgordon _back=$4 118698186Sgordon 118798186Sgordon if checkyesno backup_uses_rcs; then 118898186Sgordon _msg0="backup archive" 118998186Sgordon _msg1="update" 119098186Sgordon 119198186Sgordon # ensure that history file is not locked 119298186Sgordon if [ -f $_cur,v ]; then 119398186Sgordon rcs -q -u -U -M $_cur 119498186Sgordon fi 119598186Sgordon 119698186Sgordon # ensure after switching to rcs that the 119798186Sgordon # current backup is not lost 119898186Sgordon if [ -f $_cur ]; then 119998186Sgordon # no archive, or current newer than archive 120098186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 120198186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 120298186Sgordon rcs -q -kb -U $_cur 120398186Sgordon co -q -f -u $_cur 120498186Sgordon fi 120598186Sgordon fi 120698186Sgordon 120798186Sgordon case $_action in 120898186Sgordon add|update) 120998186Sgordon cp -p $_file $_cur 121098186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121198186Sgordon rcs -q -kb -U $_cur 121298186Sgordon co -q -f -u $_cur 121398186Sgordon chown root:wheel $_cur $_cur,v 121498186Sgordon ;; 121598186Sgordon remove) 121698186Sgordon cp /dev/null $_cur 121798186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121898186Sgordon rcs -q -kb -U $_cur 121998186Sgordon chown root:wheel $_cur $_cur,v 122098186Sgordon rm $_cur 122198186Sgordon ;; 122298186Sgordon esac 122398186Sgordon else 122498186Sgordon case $_action in 122598186Sgordon add|update) 122698186Sgordon if [ -f $_cur ]; then 122798186Sgordon cp -p $_cur $_back 122898186Sgordon fi 122998186Sgordon cp -p $_file $_cur 123098186Sgordon chown root:wheel $_cur 123198186Sgordon ;; 123298186Sgordon remove) 123398186Sgordon mv -f $_cur $_back 123498186Sgordon ;; 123598186Sgordon esac 123698186Sgordon fi 123798186Sgordon} 1238119166Smtm 1239123344Smtm# make_symlink src link 1240123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1241123344Smtm# directory in which link is to be created does not exist 1242123344Smtm# a warning will be displayed and an error will be returned. 1243123344Smtm# Returns 0 on sucess, 1 otherwise. 1244119166Smtm# 1245123344Smtmmake_symlink() 1246119166Smtm{ 1247123344Smtm local src link linkdir _me 1248123344Smtm src="$1" 1249123344Smtm link="$2" 1250123344Smtm linkdir="`dirname $link`" 1251123344Smtm _me="make_symlink()" 1252119166Smtm 1253123344Smtm if [ -z "$src" -o -z "$link" ]; then 1254123344Smtm warn "$_me: requires two arguments." 1255119166Smtm return 1 1256119166Smtm fi 1257123344Smtm if [ ! -d "$linkdir" ]; then 1258160667Syar warn "$_me: the directory $linkdir does not exist." 1259119166Smtm return 1 1260119166Smtm fi 1261146490Sschweikh if ! ln -sf $src $link; then 1262123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1263119166Smtm return 1 1264119166Smtm fi 1265119166Smtm return 0 1266119166Smtm} 1267119166Smtm 1268119166Smtm# devfs_rulesets_from_file file 1269119166Smtm# Reads a set of devfs commands from file, and creates 1270119166Smtm# the specified rulesets with their rules. Returns non-zero 1271119166Smtm# if there was an error. 1272119166Smtm# 1273119166Smtmdevfs_rulesets_from_file() 1274119166Smtm{ 1275119166Smtm local file _err _me 1276119166Smtm file="$1" 1277119166Smtm _me="devfs_rulesets_from_file" 1278119166Smtm _err=0 1279119166Smtm 1280119166Smtm if [ -z "$file" ]; then 1281119166Smtm warn "$_me: you must specify a file" 1282119166Smtm return 1 1283119166Smtm fi 1284119166Smtm if [ ! -e "$file" ]; then 1285119166Smtm debug "$_me: no such file ($file)" 1286119166Smtm return 0 1287119166Smtm fi 1288119166Smtm debug "reading rulesets from file ($file)" 1289119166Smtm { while read line 1290119166Smtm do 1291119166Smtm case $line in 1292119166Smtm \#*) 1293119166Smtm continue 1294119166Smtm ;; 1295119166Smtm \[*\]*) 1296119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1297119166Smtm if [ -z "$rulenum" ]; then 1298119166Smtm warn "$_me: cannot extract rule number ($line)" 1299119166Smtm _err=1 1300119166Smtm break 1301119166Smtm fi 1302119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1303119166Smtm if [ -z "$rulename" ]; then 1304119166Smtm warn "$_me: cannot extract rule name ($line)" 1305119166Smtm _err=1 1306119166Smtm break; 1307119166Smtm fi 1308119166Smtm eval $rulename=\$rulenum 1309119166Smtm debug "found ruleset: $rulename=$rulenum" 1310146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1311119166Smtm _err=1 1312119166Smtm break 1313119166Smtm fi 1314119166Smtm ;; 1315119166Smtm *) 1316119166Smtm rulecmd="${line%%"\#*"}" 1317119166Smtm # evaluate the command incase it includes 1318119166Smtm # other rules 1319119166Smtm if [ -n "$rulecmd" ]; then 1320119166Smtm debug "adding rule ($rulecmd)" 1321119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1322119166Smtm then 1323119166Smtm _err=1 1324119166Smtm break 1325119166Smtm fi 1326119166Smtm fi 1327119166Smtm ;; 1328119166Smtm esac 1329119166Smtm if [ $_err -ne 0 ]; then 1330119166Smtm debug "error in $_me" 1331119166Smtm break 1332119166Smtm fi 1333119166Smtm done } < $file 1334119166Smtm return $_err 1335119166Smtm} 1336119166Smtm 1337119166Smtm# devfs_init_rulesets 1338119166Smtm# Initializes rulesets from configuration files. Returns 1339119166Smtm# non-zero if there was an error. 1340119166Smtm# 1341119166Smtmdevfs_init_rulesets() 1342119166Smtm{ 1343119166Smtm local file _me 1344119166Smtm _me="devfs_init_rulesets" 1345119166Smtm 1346119166Smtm # Go through this only once 1347119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1348119166Smtm debug "$_me: devfs rulesets already initialized" 1349119166Smtm return 1350119166Smtm fi 1351146490Sschweikh for file in $devfs_rulesets; do 1352119166Smtm devfs_rulesets_from_file $file || return 1 1353119166Smtm done 1354119166Smtm devfs_rulesets_init=1 1355119166Smtm debug "$_me: devfs rulesets initialized" 1356119166Smtm return 0 1357119166Smtm} 1358119166Smtm 1359119166Smtm# devfs_set_ruleset ruleset [dir] 1360151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1361119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1362119166Smtm# Returns non-zero if it could not set it successfully. 1363119166Smtm# 1364119166Smtmdevfs_set_ruleset() 1365119166Smtm{ 1366119166Smtm local devdir rs _me 1367119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1368119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1369119166Smtm _me="devfs_set_ruleset" 1370119166Smtm 1371119166Smtm if [ -z "$rs" ]; then 1372119166Smtm warn "$_me: you must specify a ruleset number" 1373119166Smtm return 1 1374119166Smtm fi 1375119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1376146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1377119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1378119166Smtm return 1 1379119166Smtm fi 1380119166Smtm return 0 1381119166Smtm} 1382119166Smtm 1383119166Smtm# devfs_apply_ruleset ruleset [dir] 1384119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1385119166Smtm# The ruleset argument must be a ruleset name as specified 1386119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1387119166Smtm# if it could not apply the ruleset. 1388119166Smtm# 1389119166Smtmdevfs_apply_ruleset() 1390119166Smtm{ 1391119166Smtm local devdir rs _me 1392119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1393119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1394119166Smtm _me="devfs_apply_ruleset" 1395119166Smtm 1396119166Smtm if [ -z "$rs" ]; then 1397119166Smtm warn "$_me: you must specify a ruleset" 1398119166Smtm return 1 1399119166Smtm fi 1400119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1401146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1402119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1403119166Smtm return 1 1404119166Smtm fi 1405119166Smtm return 0 1406119166Smtm} 1407119166Smtm 1408119166Smtm# devfs_domount dir [ruleset] 1409119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1410119166Smtm# on the mount-point. It must also be a ruleset name as specified 1411119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1412119166Smtm# 1413119166Smtmdevfs_domount() 1414119166Smtm{ 1415119166Smtm local devdir rs _me 1416119166Smtm devdir="$1" 1417119166Smtm [ -n "$2" ] && rs=$2 || rs= 1418119166Smtm _me="devfs_domount()" 1419119166Smtm 1420119166Smtm if [ -z "$devdir" ]; then 1421119166Smtm warn "$_me: you must specify a mount-point" 1422119166Smtm return 1 1423119166Smtm fi 1424119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1425146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1426119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1427119166Smtm return 1 1428119166Smtm fi 1429119166Smtm if [ -n "$rs" ]; then 1430119166Smtm devfs_init_rulesets 1431119166Smtm devfs_set_ruleset $rs $devdir 1432124797Scperciva devfs -m $devdir rule applyset 1433119166Smtm fi 1434119166Smtm return 0 1435119166Smtm} 1436119166Smtm 1437119166Smtm# devfs_mount_jail dir [ruleset] 1438119166Smtm# Mounts a devfs file system appropriate for jails 1439119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1440119166Smtm# it names will be used instead. If present, ruleset must 1441119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1442119166Smtm# This function returns non-zero if an error occurs. 1443119166Smtm# 1444119166Smtmdevfs_mount_jail() 1445119166Smtm{ 1446119166Smtm local jdev rs _me 1447119166Smtm jdev="$1" 1448119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1449119166Smtm _me="devfs_mount_jail" 1450119166Smtm 1451119166Smtm devfs_init_rulesets 1452146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1453119166Smtm warn "$_me: devfs was not mounted on $jdev" 1454119166Smtm return 1 1455119166Smtm fi 1456119166Smtm return 0 1457119166Smtm} 1458127345Sbrooks 1459127345Sbrooks# Provide a function for normalizing the mounting of memory 1460127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1461127345Sbrooks# as close as possible between 5-current and 4-stable. 1462127345Sbrooks# $1 = size 1463127345Sbrooks# $2 = mount point 1464137451Skeramida# $3 = (optional) extra mdmfs flags 1465146490Sschweikhmount_md() 1466146490Sschweikh{ 1467127345Sbrooks if [ -n "$3" ]; then 1468137451Skeramida flags="$3" 1469127345Sbrooks fi 1470149421Syar /sbin/mdmfs $flags -s $1 md $2 1471127345Sbrooks} 1472131550Scperciva 1473159828Syar# Code common to scripts that need to load a kernel module 1474159828Syar# if it isn't in the kernel yet. Syntax: 1475160666Syar# load_kld [-e regex] [-m module] file 1476159828Syar# where -e or -m chooses the way to check if the module 1477159828Syar# is already loaded: 1478160666Syar# regex is egrep'd in the output from `kldstat -v', 1479160666Syar# module is passed to `kldstat -m'. 1480160666Syar# The default way is as though `-m file' were specified. 1481159828Syarload_kld() 1482159828Syar{ 1483159828Syar local _loaded _mod _opt _re 1484159828Syar 1485159828Syar while getopts "e:m:" _opt; do 1486159828Syar case "$_opt" in 1487159828Syar e) _re="$OPTARG" ;; 1488159828Syar m) _mod="$OPTARG" ;; 1489160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1490159828Syar esac 1491159828Syar done 1492159828Syar shift $(($OPTIND - 1)) 1493160666Syar if [ $# -ne 1 ]; then 1494160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1495160666Syar fi 1496159828Syar _mod=${_mod:-$1} 1497159828Syar _loaded=false 1498159828Syar if [ -n "$_re" ]; then 1499159828Syar if kldstat -v | egrep -q -e "$_re"; then 1500159828Syar _loaded=true 1501159828Syar fi 1502159828Syar else 1503159828Syar if kldstat -q -m "$_mod"; then 1504159828Syar _loaded=true 1505159828Syar fi 1506159828Syar fi 1507159828Syar if ! $_loaded; then 1508159828Syar if ! kldload "$1"; then 1509159828Syar warn "Unable to load kernel module $1" 1510159828Syar return 1 1511160666Syar else 1512160666Syar info "$1 kernel module loaded." 1513159828Syar fi 1514160666Syar else 1515160666Syar debug "load_kld: $1 kernel module already loaded." 1516159828Syar fi 1517159828Syar return 0 1518159828Syar} 1519159828Syar 1520149049Spjd# ltr str src dst 1521149049Spjd# Change every $src in $str to $dst. 1522149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1523149049Spjd# awk(1). 1524149049Spjdltr() 1525149049Spjd{ 1526149049Spjd local _str _src _dst _out _com 1527149049Spjd _str=$1 1528149049Spjd _src=$2 1529149049Spjd _dst=$3 1530149049Spjd _out="" 1531149049Spjd 1532149049Spjd IFS=${_src} 1533149049Spjd for _com in ${_str}; do 1534149049Spjd if [ -z "${_out}" ]; then 1535149049Spjd _out="${_com}" 1536149049Spjd else 1537149049Spjd _out="${_out}${_dst}${_com}" 1538149049Spjd fi 1539149049Spjd done 1540149049Spjd echo "${_out}" 1541149049Spjd} 1542149049Spjd 1543149050Spjd# Creates a list of providers for GELI encryption. 1544149050Spjdgeli_make_list() 1545149050Spjd{ 1546149050Spjd local devices devices2 1547149050Spjd local provider mountpoint type options rest 1548149050Spjd 1549149050Spjd # Create list of GELI providers from fstab. 1550149050Spjd while read provider mountpoint type options rest ; do 1551155570Sflz case ":${options}" in 1552155570Sflz :*noauto*) 1553155570Sflz noauto=yes 1554155570Sflz ;; 1555155570Sflz *) 1556155570Sflz noauto=no 1557155570Sflz ;; 1558155570Sflz esac 1559155570Sflz 1560149050Spjd case ":${provider}" in 1561149050Spjd :#*) 1562149050Spjd continue 1563149050Spjd ;; 1564149050Spjd *.eli) 1565149050Spjd # Skip swap devices. 1566155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1567149050Spjd continue 1568149050Spjd fi 1569149050Spjd devices="${devices} ${provider}" 1570149050Spjd ;; 1571149050Spjd esac 1572149050Spjd done < /etc/fstab 1573149050Spjd 1574149050Spjd # Append providers from geli_devices. 1575149050Spjd devices="${devices} ${geli_devices}" 1576149050Spjd 1577149050Spjd for provider in ${devices}; do 1578149050Spjd provider=${provider%.eli} 1579149050Spjd provider=${provider#/dev/} 1580149050Spjd devices2="${devices2} ${provider}" 1581149050Spjd done 1582149050Spjd 1583149050Spjd echo ${devices2} 1584149050Spjd} 1585149050Spjd 1586153027Sdougb# Find scripts in local_startup directories that use the old syntax 1587153027Sdougb# 1588153027Sdougbfind_local_scripts_old () { 1589153027Sdougb zlist='' 1590153027Sdougb slist='' 1591153027Sdougb for dir in ${local_startup}; do 1592153027Sdougb if [ -d "${dir}" ]; then 1593153027Sdougb for file in ${dir}/[0-9]*.sh; do 1594153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1595153027Sdougb continue 1596153027Sdougb zlist="$zlist $file" 1597153027Sdougb done 1598153027Sdougb for file in ${dir}/[^0-9]*.sh; do 1599153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1600153027Sdougb continue 1601153027Sdougb slist="$slist $file" 1602153027Sdougb done 1603153027Sdougb fi 1604153027Sdougb done 1605153027Sdougb} 1606153027Sdougb 1607153027Sdougbfind_local_scripts_new () { 1608153027Sdougb local_rc='' 1609153027Sdougb for dir in ${local_startup}; do 1610153027Sdougb if [ -d "${dir}" ]; then 1611153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1612153027Sdougb case "$file" in 1613153027Sdougb *.sample) ;; 1614153027Sdougb *) if [ -x "$file" ]; then 1615153027Sdougb local_rc="${local_rc} ${file}" 1616153027Sdougb fi 1617153027Sdougb ;; 1618153027Sdougb esac 1619153027Sdougb done 1620153027Sdougb fi 1621153027Sdougb done 1622153027Sdougb} 1623153027Sdougb 1624165565Syar# check_required_{before|after} command 1625165565Syar# Check for things required by the command before and after its precmd, 1626165565Syar# respectively. The two separate functions are needed because some 1627165565Syar# conditions should prevent precmd from being run while other things 1628165565Syar# depend on precmd having already been run. 1629165565Syar# 1630165565Syarcheck_required_before() 1631165565Syar{ 1632165565Syar local _f 1633165565Syar 1634165565Syar case "$1" in 1635165565Syar start) 1636165565Syar for _f in $required_vars; do 1637165565Syar if ! checkyesno $_f; then 1638165565Syar warn "\$${_f} is not enabled." 1639165565Syar if [ -z "$rc_force" ]; then 1640165565Syar return 1 1641165565Syar fi 1642165565Syar fi 1643165565Syar done 1644165565Syar 1645165565Syar for _f in $required_dirs; do 1646165565Syar if [ ! -d "${_f}/." ]; then 1647165565Syar warn "${_f} is not a directory." 1648165565Syar if [ -z "$rc_force" ]; then 1649165565Syar return 1 1650165565Syar fi 1651165565Syar fi 1652165565Syar done 1653165565Syar 1654165565Syar for _f in $required_files; do 1655165565Syar if [ ! -r "${_f}" ]; then 1656165565Syar warn "${_f} is not readable." 1657165565Syar if [ -z "$rc_force" ]; then 1658165565Syar return 1 1659165565Syar fi 1660165565Syar fi 1661165565Syar done 1662165565Syar ;; 1663165565Syar esac 1664165565Syar 1665165565Syar return 0 1666165565Syar} 1667165565Syar 1668165565Syarcheck_required_after() 1669165565Syar{ 1670165565Syar local _f _args 1671165565Syar 1672165565Syar case "$1" in 1673165565Syar start) 1674165565Syar for _f in $required_modules; do 1675165565Syar case "${_f}" in 1676165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1677165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1678165565Syar *) _args="${_f}" ;; 1679165565Syar esac 1680165565Syar if ! load_kld ${_args}; then 1681165565Syar if [ -z "$rc_force" ]; then 1682165565Syar return 1 1683165565Syar fi 1684165565Syar fi 1685165565Syar done 1686165565Syar ;; 1687165565Syar esac 1688165565Syar 1689165565Syar return 0 1690165565Syar} 1691165565Syar 1692131550Scpercivafi 1693157841Sflz 1694197144Shrs# _echoonce var msg mode 1695197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1696197144Shrs# After doing echo, a string is set to ${$var}. 1697197144Shrs# 1698197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1699197144Shrs# 1700197144Shrs_echoonce() 1701197144Shrs{ 1702197144Shrs local _var _msg _mode 1703197144Shrs _var=`eval echo \\$$1` 1704197144Shrs _msg=$2 1705197144Shrs _mode=$3 1706197144Shrs 1707197144Shrs case $_mode in 1708197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1709197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1710197144Shrs esac 1711197144Shrs} 1712197144Shrs 1713157841Sflz_rc_subr_loaded=: 1714