rc.subr revision 197790
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 197790 2009-10-05 20:11:33Z hrs $ 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:=$$}; export RC_PID 44157473Sflz 4578344Sobrien# 4698186Sgordon# Operating System dependent/independent variables 4798186Sgordon# 4898186Sgordon 49131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 50131550Scperciva 51131550Scperciva_rc_subr_loaded="YES" 52131550Scperciva 5398186SgordonSYSCTL="/sbin/sysctl" 5498186SgordonSYSCTL_N="${SYSCTL} -n" 5598186SgordonCMD_OSTYPE="${SYSCTL_N} kern.ostype" 56103018SgordonOSTYPE=`${CMD_OSTYPE}` 57124832SmtmID="/usr/bin/id" 58124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 59161435SyarPS="/bin/ps -ww" 60161435SyarJID=`$PS -p $$ -o jid=` 6198186Sgordon 62103018Sgordoncase ${OSTYPE} in 6398186SgordonFreeBSD) 6498186Sgordon SYSCTL_W="${SYSCTL}" 6598186Sgordon ;; 6698186SgordonNetBSD) 6798186Sgordon SYSCTL_W="${SYSCTL} -w" 6898186Sgordon ;; 6998186Sgordonesac 7098186Sgordon 7198186Sgordon# 7278344Sobrien# functions 7378344Sobrien# --------- 7478344Sobrien 75197144Shrs# set_rcvar [var] [defval] [desc] 7678344Sobrien# 77197144Shrs# Echo or define a rc.conf(5) variable name. Global variable 78197144Shrs# $rcvars is used. 7998186Sgordon# 80197144Shrs# If no argument is specified, echo "${name}_enable". 81197144Shrs# 82197144Shrs# If only a var is specified, echo "${var}_enable". 83197144Shrs# 84197144Shrs# If var and defval are specified, the ${var} is defined as 85197144Shrs# rc.conf(5) variable and the default value is ${defvar}. An 86197144Shrs# optional argument $desc can also be specified to add a 87197144Shrs# description for that. 88197144Shrs# 8998186Sgordonset_rcvar() 9098186Sgordon{ 91197144Shrs case $# in 92197144Shrs 0) 93197144Shrs echo ${name}_enable 9498186Sgordon ;; 95197144Shrs 1) 96197144Shrs echo ${1}_enable 9798186Sgordon ;; 9898186Sgordon *) 99197144Shrs debug "rcvar_define: \$$1=$2 is added" \ 100197144Shrs " as a rc.conf(5) variable." 101197144Shrs 102197144Shrs local _var 103197144Shrs _var=$1 104197144Shrs rcvars="${rcvars# } $_var" 105197144Shrs eval ${_var}_defval=\"$2\" 106197144Shrs shift 2 107197144Shrs # encode multiple lines of _desc 108197144Shrs for l in "$@"; do 109197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 110197144Shrs done 111197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}\" 11298186Sgordon ;; 11398186Sgordon esac 11498186Sgordon} 11598186Sgordon 116197144Shrs# set_rcvar_obsolete oldvar [newvar] [msg] 117197144Shrs# Define obsolete variable. 118197144Shrs# Global variable $rcvars_obsolete is used. 11998186Sgordon# 120197144Shrsset_rcvar_obsolete() 121197144Shrs{ 122197144Shrs local _var 123197144Shrs _var=$1 124197144Shrs debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 125197144Shrs 126197144Shrs rcvars_obsolete="${rcvars_obsolete# } $1" 127197144Shrs eval ${1}_newvar=\"$2\" 128197144Shrs shift 2 129197144Shrs eval ${_var}_obsolete_msg=\"$*\" 130197144Shrs} 131197144Shrs 132197144Shrs# 13398186Sgordon# force_depend script 13498186Sgordon# Force a service to start. Intended for use by services 13598186Sgordon# to resolve dependency issues. It is assumed the caller 13698186Sgordon# has check to make sure this call is necessary 13798186Sgordon# $1 - filename of script, in /etc/rc.d, to run 13898186Sgordon# 13998186Sgordonforce_depend() 14098186Sgordon{ 14198186Sgordon _depend="$1" 14298186Sgordon 14398186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 144146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 14598186Sgordon warn "Unable to force ${_depend}. It may already be running." 14698186Sgordon return 1 14798186Sgordon fi 14898186Sgordon return 0 14998186Sgordon} 15098186Sgordon 15198186Sgordon# 15278344Sobrien# checkyesno var 15378344Sobrien# Test $1 variable, and warn if not set to YES or NO. 15478344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 15578344Sobrien# 15678344Sobriencheckyesno() 15778344Sobrien{ 15878344Sobrien eval _value=\$${1} 15998186Sgordon debug "checkyesno: $1 is set to $_value." 16078344Sobrien case $_value in 16178344Sobrien 16278344Sobrien # "yes", "true", "on", or "1" 16378344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 16478344Sobrien return 0 16578344Sobrien ;; 16678344Sobrien 16778344Sobrien # "no", "false", "off", or "0" 16878344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 16978344Sobrien return 1 17078344Sobrien ;; 17178344Sobrien *) 172157473Sflz warn "\$${1} is not set properly - see ${rcvar_manpage}." 17378344Sobrien return 1 17478344Sobrien ;; 17578344Sobrien esac 17678344Sobrien} 17778344Sobrien 178157473Sflz# 17998186Sgordon# reverse_list list 18098186Sgordon# print the list in reverse order 18178344Sobrien# 18298186Sgordonreverse_list() 18398186Sgordon{ 18498186Sgordon _revlist= 185126286Smtm for _revfile; do 18698186Sgordon _revlist="$_revfile $_revlist" 18798186Sgordon done 18898186Sgordon echo $_revlist 18998186Sgordon} 19098186Sgordon 191169668Smtm# stop_boot always 192169668Smtm# If booting directly to multiuser or $always is enabled, 193169668Smtm# send SIGTERM to the parent (/etc/rc) to abort the boot. 194169668Smtm# Otherwise just exit. 19578344Sobrien# 196169668Smtmstop_boot() 197169668Smtm{ 198169668Smtm local always 199169668Smtm 200178776Smaxim case $1 in 201178776Smaxim # "yes", "true", "on", or "1" 202178770Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 203169668Smtm always=true 204178770Smtm ;; 205178770Smtm *) 206169668Smtm always=false 207178770Smtm ;; 208178775Smaxim esac 209169668Smtm if [ "$autoboot" = yes -o "$always" = true ]; then 210169668Smtm echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 211169668Smtm kill -TERM ${RC_PID} 212169668Smtm fi 213169668Smtm exit 1 214169668Smtm} 215169668Smtm 216169668Smtm# 21798186Sgordon# mount_critical_filesystems type 21898186Sgordon# Go through the list of critical filesystems as provided in 21998186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 22098186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 22198186Sgordon# 22278344Sobrienmount_critical_filesystems() 22378344Sobrien{ 22498186Sgordon eval _fslist=\$critical_filesystems_${1} 22578344Sobrien for _fs in $_fslist; do 22678344Sobrien mount | ( 227126285Smtm _ismounted=false 22878344Sobrien while read what _on on _type type; do 22978344Sobrien if [ $on = $_fs ]; then 230126285Smtm _ismounted=true 23178344Sobrien fi 23278344Sobrien done 233126285Smtm if $_ismounted; then 234126285Smtm : 235126285Smtm else 23678344Sobrien mount $_fs >/dev/null 2>&1 23778344Sobrien fi 23898186Sgordon ) 23978344Sobrien done 24078344Sobrien} 24178344Sobrien 24278344Sobrien# 24398186Sgordon# check_pidfile pidfile procname [interpreter] 24498186Sgordon# Parses the first line of pidfile for a PID, and ensures 24578344Sobrien# that the process is running and matches procname. 24698186Sgordon# Prints the matching PID upon success, nothing otherwise. 24798186Sgordon# interpreter is optional; see _find_processes() for details. 24878344Sobrien# 24978344Sobriencheck_pidfile() 25078344Sobrien{ 25178344Sobrien _pidfile=$1 25278344Sobrien _procname=$2 25398186Sgordon _interpreter=$3 25478344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 25598186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 25678344Sobrien fi 25778344Sobrien if [ ! -f $_pidfile ]; then 258131061Smtm debug "pid file ($_pidfile): not readable." 25978344Sobrien return 26078344Sobrien fi 26178344Sobrien read _pid _junk < $_pidfile 26278344Sobrien if [ -z "$_pid" ]; then 263139949Skeramida debug "pid file ($_pidfile): no pid in file." 26478344Sobrien return 26578344Sobrien fi 26698186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 26778344Sobrien} 26878344Sobrien 26978344Sobrien# 27098186Sgordon# check_process procname [interpreter] 27178344Sobrien# Ensures that a process (or processes) named procname is running. 27298186Sgordon# Prints a list of matching PIDs. 27398186Sgordon# interpreter is optional; see _find_processes() for details. 27478344Sobrien# 27578344Sobriencheck_process() 27678344Sobrien{ 27778344Sobrien _procname=$1 27898186Sgordon _interpreter=$2 27978344Sobrien if [ -z "$_procname" ]; then 28098186Sgordon err 3 'USAGE: check_process procname [interpreter]' 28178344Sobrien fi 28298186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 28398186Sgordon} 28498186Sgordon 28598186Sgordon# 28698186Sgordon# _find_processes procname interpreter psargs 28798186Sgordon# Search for procname in the output of ps generated by psargs. 28898186Sgordon# Prints the PIDs of any matching processes, space separated. 28998186Sgordon# 29098186Sgordon# If interpreter == ".", check the following variations of procname 29198186Sgordon# against the first word of each command: 29298186Sgordon# procname 29398186Sgordon# `basename procname` 29498186Sgordon# `basename procname` + ":" 29598186Sgordon# "(" + `basename procname` + ")" 296155719Sceri# "[" + `basename procname` + "]" 29798186Sgordon# 29898186Sgordon# If interpreter != ".", read the first line of procname, remove the 29998186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 30098186Sgordon# match that against each command, either as is, or with extra words 301157841Sflz# at the end. As an alternative, to deal with interpreted daemons 302157841Sflz# using perl, the basename of the interpreter plus a colon is also 303157841Sflz# tried as the prefix to procname. 30498186Sgordon# 30598186Sgordon_find_processes() 30698186Sgordon{ 30798186Sgordon if [ $# -ne 3 ]; then 30898186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 30998186Sgordon fi 31098186Sgordon _procname=$1 31198186Sgordon _interpreter=$2 31298186Sgordon _psargs=$3 31398186Sgordon 31478344Sobrien _pref= 31598186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 316170282Syar _script=${_chroot}${_chroot:+"/"}$_procname 317170282Syar if [ -r $_script ]; then 318170282Syar read _interp < $_script # read interpreter name 319170282Syar case "$_interp" in 320170282Syar \#!*) 321170282Syar _interp=${_interp#\#!} # strip #! 322170282Syar set -- $_interp 323170282Syar case $1 in 324170282Syar */bin/env) 325170282Syar shift # drop env to get real name 326170282Syar ;; 327170282Syar esac 328170282Syar if [ $_interpreter != $1 ]; then 329170282Syar warn "\$command_interpreter $_interpreter != $1" 330170282Syar fi 331170282Syar ;; 332170282Syar *) 333170282Syar warn "no shebang line in $_script" 334170282Syar set -- $_interpreter 335170282Syar ;; 336170282Syar esac 337170282Syar else 338170282Syar warn "cannot read shebang line from $_script" 339170282Syar set -- $_interpreter 34078344Sobrien fi 34198186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 342157841Sflz _interpbn=${1##*/} 34398186Sgordon _fp_args='_argv' 34498186Sgordon _fp_match='case "$_argv" in 345157841Sflz ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 34698186Sgordon else # a normal daemon 34798186Sgordon _procnamebn=${_procname##*/} 34898186Sgordon _fp_args='_arg0 _argv' 34998186Sgordon _fp_match='case "$_arg0" in 350151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 35198186Sgordon fi 35298186Sgordon 353161435Syar _proccheck="\ 354161436Syar $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 355157657Sflz while read _npid _jid '"$_fp_args"'; do 356161436Syar '"$_fp_match"' 357157657Sflz if [ "$JID" -eq "$_jid" ]; 358157657Sflz then echo -n "$_pref$_npid"; 359157657Sflz _pref=" "; 360157657Sflz fi 36198186Sgordon ;; 36298186Sgordon esac 36398186Sgordon done' 36498186Sgordon 365114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 36698186Sgordon eval $_proccheck 36798186Sgordon} 36898186Sgordon 36998186Sgordon# 37098186Sgordon# wait_for_pids pid [pid ...] 37198186Sgordon# spins until none of the pids exist 37298186Sgordon# 37398186Sgordonwait_for_pids() 37498186Sgordon{ 375126286Smtm _list="$@" 37698186Sgordon if [ -z "$_list" ]; then 37798186Sgordon return 37898186Sgordon fi 37998186Sgordon _prefix= 38098186Sgordon while true; do 38198186Sgordon _nlist=""; 38298186Sgordon for _j in $_list; do 38398186Sgordon if kill -0 $_j 2>/dev/null; then 38498186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 38598186Sgordon fi 38698186Sgordon done 38798186Sgordon if [ -z "$_nlist" ]; then 38898186Sgordon break 38978344Sobrien fi 39098186Sgordon _list=$_nlist 39198186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 39298186Sgordon _prefix=", " 39398186Sgordon sleep 2 39478344Sobrien done 39598186Sgordon if [ -n "$_prefix" ]; then 39698186Sgordon echo "." 39798186Sgordon fi 39878344Sobrien} 39978344Sobrien 40078344Sobrien# 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 ;; 582126303Smtm 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 605197790Shrs command=${command:+${_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 64978344Sobrien # if ${rcvar} is set, and $1 is not 65098186Sgordon # "rcvar", then run 65178344Sobrien # checkyesno ${rcvar} 65278344Sobrien # and return if that failed 65378344Sobrien # 654179870Smtm if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; 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 ${name}" 706179946Smtm return 1 707179946Smtm fi 70878344Sobrien 709160668Syar # setup the full command to run 71078344Sobrien # 711197297Sdougb _show_startmsgs=1 712197297Sdougb if [ -n "${rc_quiet}" ]; then 713197297Sdougb if ! checkyesno rc_startmsgs; then 714197297Sdougb unset _show_startmsgs 715197297Sdougb fi 716197297Sdougb fi 717197297Sdougb [ -n "$_show_startmsgs" ] && echo "Starting ${name}." 71878344Sobrien if [ -n "$_chroot" ]; then 71978344Sobrien _doit="\ 72078344Sobrien${_nice:+nice -n $_nice }\ 72178344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 72298186Sgordon$_chroot $command $rc_flags $command_args" 72378344Sobrien else 72478344Sobrien _doit="\ 725161396Syar${_chdir:+cd $_chdir && }\ 72698186Sgordon$command $rc_flags $command_args" 72798186Sgordon if [ -n "$_user" ]; then 72898186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72998186Sgordon fi 730161396Syar if [ -n "$_nice" ]; then 731161396Syar if [ -z "$_user" ]; then 732161396Syar _doit="sh -c \"$_doit\"" 733161396Syar fi 734161396Syar _doit="nice -n $_nice $_doit" 735161396Syar fi 73678344Sobrien fi 73798186Sgordon 738165565Syar # run the full command 73998186Sgordon # 740179946Smtm if ! _run_rc_doit "$_doit"; then 741179946Smtm warn "failed to start ${name}" 742179946Smtm return 1 743179946Smtm fi 74498186Sgordon 74598186Sgordon # finally, run postcmd 74698186Sgordon # 747165565Syar _run_rc_postcmd 74878344Sobrien ;; 74978344Sobrien 75078344Sobrien stop) 75198186Sgordon if [ -z "$rc_pid" ]; then 752153152Syar [ -n "$rc_fast" ] && return 0 753165565Syar _run_rc_notrunning 754153152Syar return 1 75578344Sobrien fi 75678344Sobrien 757165565Syar _run_rc_precmd || return 1 75898186Sgordon 75998186Sgordon # send the signal to stop 76098186Sgordon # 76178344Sobrien echo "Stopping ${name}." 762165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 763165565Syar _run_rc_doit "$_doit" || return 1 76498186Sgordon 76598186Sgordon # wait for the command to exit, 76698186Sgordon # and run postcmd. 76798186Sgordon wait_for_pids $rc_pid 768165565Syar 769165565Syar _run_rc_postcmd 77078344Sobrien ;; 77178344Sobrien 77278344Sobrien reload) 77398186Sgordon if [ -z "$rc_pid" ]; then 774165565Syar _run_rc_notrunning 775153152Syar return 1 77678344Sobrien fi 777165565Syar 778165565Syar _run_rc_precmd || return 1 779165565Syar 780165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 781165565Syar _run_rc_doit "$_doit" || return 1 782165565Syar 783165565Syar _run_rc_postcmd 78478344Sobrien ;; 78578344Sobrien 78678344Sobrien restart) 78778344Sobrien # prevent restart being called more 78878344Sobrien # than once by any given script 78978344Sobrien # 790126285Smtm if ${_rc_restart_done:-false}; then 79178344Sobrien return 0 79278344Sobrien fi 793126285Smtm _rc_restart_done=true 79478344Sobrien 795165565Syar _run_rc_precmd || return 1 796165565Syar 797165565Syar # run those in a subshell to keep global variables 798152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 799165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 800165565Syar _return=$? 801165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 80298186Sgordon 803165565Syar _run_rc_postcmd 80478344Sobrien ;; 80578344Sobrien 80698186Sgordon poll) 807165565Syar _run_rc_precmd || return 1 80898186Sgordon if [ -n "$rc_pid" ]; then 80998186Sgordon wait_for_pids $rc_pid 81098186Sgordon fi 811165565Syar _run_rc_postcmd 81298186Sgordon ;; 81398186Sgordon 81478344Sobrien rcvar) 815197144Shrs echo -n "# $name" 816197144Shrs if [ -n "$desc" ]; then 817197144Shrs echo " : $desc" 818197144Shrs else 819197144Shrs echo "" 820197144Shrs fi 821197144Shrs echo "#" 822197144Shrs # Get unique vars in $rcvar $rcvars 823197144Shrs for _v in $rcvar $rcvars; do 824197144Shrs case $v in 825197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 826197144Shrs *) v="${v# } $_v" ;; 827197144Shrs esac 828197144Shrs done 829197144Shrs 830197144Shrs # Display variables. 831197144Shrs for _v in $v; do 832197144Shrs if [ -z "$_v" ]; then 833197144Shrs continue 83478344Sobrien fi 835197144Shrs 836197144Shrs eval _desc=\$${_v}_desc 837197144Shrs eval _defval=\$${_v}_defval 838197144Shrs _h="-" 839197144Shrs 840197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 841197144Shrs # decode multiple lines of _desc 842197144Shrs while [ -n "$_desc" ]; do 843197144Shrs case $_desc in 844197144Shrs *^^*) 845197144Shrs echo "# $_h ${_desc%%^^*}" 846197144Shrs _desc=${_desc#*^^} 847197144Shrs _h=" " 848197144Shrs ;; 849197144Shrs *) 850197144Shrs echo "# $_h ${_desc}" 851197144Shrs break 852197144Shrs ;; 853197144Shrs esac 854197144Shrs done 855197144Shrs echo "# (default: \"$_defval\")" 856197144Shrs done 857197144Shrs echo "" 85878344Sobrien ;; 85978344Sobrien 86078344Sobrien *) 861150796Syar rc_usage $_keywords 86278344Sobrien ;; 86378344Sobrien 86478344Sobrien esac 865116097Smtm return $_return 86678344Sobrien done 86778344Sobrien 86898186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 869150796Syar rc_usage $_keywords 870153152Syar # not reached 87178344Sobrien} 87278344Sobrien 87378344Sobrien# 874165565Syar# Helper functions for run_rc_command: common code. 875165565Syar# They use such global variables besides the exported rc_* ones: 876165565Syar# 877165565Syar# name R/W 878165565Syar# ------------------ 879165565Syar# _precmd R 880165565Syar# _postcmd R 881165565Syar# _return W 882165565Syar# 883165565Syar_run_rc_precmd() 884165565Syar{ 885165565Syar check_required_before "$rc_arg" || return 1 886165565Syar 887165565Syar if [ -n "$_precmd" ]; then 888165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 889165565Syar eval "$_precmd $rc_extra_args" 890165565Syar _return=$? 891165565Syar 892165565Syar # If precmd failed and force isn't set, request exit. 893165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 894165565Syar return 1 895165565Syar fi 896165565Syar fi 897165565Syar 898165565Syar check_required_after "$rc_arg" || return 1 899165565Syar 900165565Syar return 0 901165565Syar} 902165565Syar 903165565Syar_run_rc_postcmd() 904165565Syar{ 905165565Syar if [ -n "$_postcmd" ]; then 906165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 907165565Syar eval "$_postcmd $rc_extra_args" 908165565Syar _return=$? 909165565Syar fi 910165565Syar return 0 911165565Syar} 912165565Syar 913165565Syar_run_rc_doit() 914165565Syar{ 915165565Syar debug "run_rc_command: doit: $*" 916165565Syar eval "$@" 917165565Syar _return=$? 918165565Syar 919165565Syar # If command failed and force isn't set, request exit. 920165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 921165565Syar return 1 922165565Syar fi 923165565Syar 924165565Syar return 0 925165565Syar} 926165565Syar 927165565Syar_run_rc_notrunning() 928165565Syar{ 929165565Syar local _pidmsg 930165565Syar 931165565Syar if [ -n "$pidfile" ]; then 932165565Syar _pidmsg=" (check $pidfile)." 933165565Syar else 934165565Syar _pidmsg= 935165565Syar fi 936165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 937165565Syar} 938165565Syar 939165565Syar_run_rc_killcmd() 940165565Syar{ 941165565Syar local _cmd 942165565Syar 943165565Syar _cmd="kill -$1 $rc_pid" 944165565Syar if [ -n "$_user" ]; then 945165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 946165565Syar fi 947165565Syar echo "$_cmd" 948165565Syar} 949165565Syar 950165565Syar# 95178344Sobrien# run_rc_script file arg 95278344Sobrien# Start the script `file' with `arg', and correctly handle the 95378344Sobrien# return value from the script. If `file' ends with `.sh', it's 95498186Sgordon# sourced into the current environment. If `file' appears to be 95598186Sgordon# a backup or scratch file, ignore it. Otherwise if it's 95698186Sgordon# executable run as a child process. 95778344Sobrien# 95878344Sobrienrun_rc_script() 95978344Sobrien{ 96078344Sobrien _file=$1 96178344Sobrien _arg=$2 96278344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 96378344Sobrien err 3 'USAGE: run_rc_script file arg' 96478344Sobrien fi 96578344Sobrien 96698186Sgordon unset name command command_args command_interpreter \ 96798186Sgordon extra_commands pidfile procname \ 968197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 969197144Shrs required_vars 97098186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 97198186Sgordon 97278344Sobrien case "$_file" in 973193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 974193118Sdougb warn "Ignoring old-style startup script $_file" 97578344Sobrien ;; 976153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 97798186Sgordon warn "Ignoring scratch file $_file" 97898186Sgordon ;; 97978344Sobrien *) # run in subshell 98098186Sgordon if [ -x $_file ]; then 98198186Sgordon if [ -n "$rc_fast_and_loose" ]; then 982146490Sschweikh set $_arg; . $_file 98398186Sgordon else 984130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 985130161Smtm trap "echo Script $_file interrupted; exit 1" 2 986184317Sthompsa trap "echo Script $_file running" 29 987146490Sschweikh set $_arg; . $_file ) 98898186Sgordon fi 98998186Sgordon fi 99078344Sobrien ;; 99178344Sobrien esac 99278344Sobrien} 99378344Sobrien 99478344Sobrien# 995157653Sflz# load_rc_config name 996157653Sflz# Source in the configuration file for a given name. 99778344Sobrien# 99878344Sobrienload_rc_config() 99978344Sobrien{ 1000197144Shrs local _name _var _defval _v _msg _new 1001157653Sflz _name=$1 1002157653Sflz if [ -z "$_name" ]; then 1003157653Sflz err 3 'USAGE: load_rc_config name' 100478344Sobrien fi 100578344Sobrien 1006126285Smtm if ${_rc_conf_loaded:-false}; then 1007126285Smtm : 1008126285Smtm else 100998186Sgordon if [ -r /etc/defaults/rc.conf ]; then 101098186Sgordon debug "Sourcing /etc/defaults/rc.conf" 101198186Sgordon . /etc/defaults/rc.conf 101298186Sgordon source_rc_confs 101398186Sgordon elif [ -r /etc/rc.conf ]; then 101498186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 101598186Sgordon . /etc/rc.conf 101698186Sgordon fi 1017126285Smtm _rc_conf_loaded=true 101898186Sgordon fi 1019161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1020157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1021161530Sflz . /etc/rc.conf.d/"$_name" 1022157653Sflz fi 1023179872Smtm 1024179872Smtm # Old variable names support 1025179872Smtm # 1026179872Smtm [ -n "$enable_quotas" ] && quota_enable="$enable_quotas" 1027197144Shrs 1028197144Shrs # Set defaults if defined. 1029197144Shrs for _var in $rcvar $rcvars; do 1030197144Shrs _defval=`eval echo "\\\$${_var}_defval"` 1031197144Shrs if [ -n "$_defval" ]; then 1032197144Shrs eval : \${$_var:=\$${_var}_defval} 1033197144Shrs fi 1034197144Shrs done 1035197144Shrs 1036197144Shrs # check obsolete rc.conf variables 1037197144Shrs for _var in $rcvars_obsolete; do 1038197144Shrs _v=`eval echo \\$$_var` 1039197144Shrs _msg=`eval echo \\$${_var}_obsolete_msg` 1040197144Shrs _new=`eval echo \\$${_var}_newvar` 1041197144Shrs case $_v in 1042197144Shrs "") 1043197144Shrs ;; 1044197144Shrs *) 1045197144Shrs if [ -z "$_new" ]; then 1046197144Shrs _msg="Ignored." 1047197144Shrs else 1048197144Shrs eval $_new=\"\$$_var\" 1049197144Shrs if [ -z "$_msg" ]; then 1050197144Shrs _msg="Use \$$_new instead." 1051197144Shrs fi 1052197144Shrs fi 1053197144Shrs warn "\$$_var is obsolete. $_msg" 1054197144Shrs ;; 1055197144Shrs esac 1056197144Shrs done 105778344Sobrien} 1058157473Sflz 1059157473Sflz# 1060157653Sflz# load_rc_config_var name var 1061157653Sflz# Read the rc.conf(5) var for name and set in the 1062157473Sflz# current shell, using load_rc_config in a subshell to prevent 1063157473Sflz# unwanted side effects from other variable assignments. 1064157473Sflz# 1065157473Sflzload_rc_config_var() 1066157473Sflz{ 1067157473Sflz if [ $# -ne 2 ]; then 1068157653Sflz err 3 'USAGE: load_rc_config_var name var' 1069157473Sflz fi 1070157473Sflz eval $(eval '( 1071157473Sflz load_rc_config '$1' >/dev/null; 1072157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1073157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1074157473Sflz fi 1075157473Sflz )' ) 1076157473Sflz} 107778344Sobrien 107878344Sobrien# 107978344Sobrien# rc_usage commands 108078344Sobrien# Print a usage string for $0, with `commands' being a list of 108178344Sobrien# valid commands. 108278344Sobrien# 108378344Sobrienrc_usage() 108478344Sobrien{ 1085126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 108678344Sobrien 108778344Sobrien _sep= 1088126286Smtm for _elem; do 108978344Sobrien echo -n 1>&2 "$_sep$_elem" 109078344Sobrien _sep="|" 109178344Sobrien done 109278344Sobrien echo 1>&2 ")" 109378344Sobrien exit 1 109478344Sobrien} 109578344Sobrien 109678344Sobrien# 109778344Sobrien# err exitval message 109878344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 109978344Sobrien# 110078344Sobrienerr() 110178344Sobrien{ 110278344Sobrien exitval=$1 110378344Sobrien shift 110478344Sobrien 1105106643Sgordon if [ -x /usr/bin/logger ]; then 1106106643Sgordon logger "$0: ERROR: $*" 1107106643Sgordon fi 1108106643Sgordon echo 1>&2 "$0: ERROR: $*" 110978344Sobrien exit $exitval 111078344Sobrien} 111178344Sobrien 111278344Sobrien# 111378344Sobrien# warn message 111478344Sobrien# Display message to stderr and log to the syslog. 111578344Sobrien# 111678344Sobrienwarn() 111778344Sobrien{ 1118106643Sgordon if [ -x /usr/bin/logger ]; then 1119106643Sgordon logger "$0: WARNING: $*" 1120106643Sgordon fi 1121106643Sgordon echo 1>&2 "$0: WARNING: $*" 112278344Sobrien} 112398186Sgordon 112498186Sgordon# 112598186Sgordon# info message 112698186Sgordon# Display informational message to stdout and log to syslog. 112798186Sgordon# 112898186Sgordoninfo() 112998186Sgordon{ 1130119170Smtm case ${rc_info} in 1131119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1132119170Smtm if [ -x /usr/bin/logger ]; then 1133119170Smtm logger "$0: INFO: $*" 1134119170Smtm fi 1135119170Smtm echo "$0: INFO: $*" 1136119170Smtm ;; 1137119170Smtm esac 113898186Sgordon} 113998186Sgordon 114098186Sgordon# 114198186Sgordon# debug message 1142106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 114398186Sgordon# BEWARE that you don't call any subroutine that itself calls this 114498186Sgordon# function. 114598186Sgordon# 114698186Sgordondebug() 114798186Sgordon{ 114898186Sgordon case ${rc_debug} in 114998186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1150106700Sgordon if [ -x /usr/bin/logger ]; then 1151162947Syar logger "$0: DEBUG: $*" 1152106700Sgordon fi 1153146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 115498186Sgordon ;; 115598186Sgordon esac 115698186Sgordon} 115798186Sgordon 115898186Sgordon# 115998186Sgordon# backup_file action file cur backup 116098186Sgordon# Make a backup copy of `file' into `cur', and save the previous 116198186Sgordon# version of `cur' as `backup' or use rcs for archiving. 116298186Sgordon# 116398186Sgordon# This routine checks the value of the backup_uses_rcs variable, 116498186Sgordon# which can be either YES or NO. 116598186Sgordon# 116698186Sgordon# The `action' keyword can be one of the following: 116798186Sgordon# 116898186Sgordon# add `file' is now being backed up (and is possibly 116998186Sgordon# being reentered into the backups system). `cur' 117098186Sgordon# is created and RCS files, if necessary, are 117198186Sgordon# created as well. 117298186Sgordon# 117398186Sgordon# update `file' has changed and needs to be backed up. 117498186Sgordon# If `cur' exists, it is copied to to `back' or 117598186Sgordon# checked into RCS (if the repository file is old), 117698186Sgordon# and then `file' is copied to `cur'. Another RCS 117798186Sgordon# check in done here if RCS is being used. 117898186Sgordon# 117998186Sgordon# remove `file' is no longer being tracked by the backups 118098186Sgordon# system. If RCS is not being used, `cur' is moved 118198186Sgordon# to `back', otherwise an empty file is checked in, 118298186Sgordon# and then `cur' is removed. 118398186Sgordon# 118498186Sgordon# 118598186Sgordonbackup_file() 118698186Sgordon{ 118798186Sgordon _action=$1 118898186Sgordon _file=$2 118998186Sgordon _cur=$3 119098186Sgordon _back=$4 119198186Sgordon 119298186Sgordon if checkyesno backup_uses_rcs; then 119398186Sgordon _msg0="backup archive" 119498186Sgordon _msg1="update" 119598186Sgordon 119698186Sgordon # ensure that history file is not locked 119798186Sgordon if [ -f $_cur,v ]; then 119898186Sgordon rcs -q -u -U -M $_cur 119998186Sgordon fi 120098186Sgordon 120198186Sgordon # ensure after switching to rcs that the 120298186Sgordon # current backup is not lost 120398186Sgordon if [ -f $_cur ]; then 120498186Sgordon # no archive, or current newer than archive 120598186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 120698186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 120798186Sgordon rcs -q -kb -U $_cur 120898186Sgordon co -q -f -u $_cur 120998186Sgordon fi 121098186Sgordon fi 121198186Sgordon 121298186Sgordon case $_action in 121398186Sgordon add|update) 121498186Sgordon cp -p $_file $_cur 121598186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121698186Sgordon rcs -q -kb -U $_cur 121798186Sgordon co -q -f -u $_cur 121898186Sgordon chown root:wheel $_cur $_cur,v 121998186Sgordon ;; 122098186Sgordon remove) 122198186Sgordon cp /dev/null $_cur 122298186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 122398186Sgordon rcs -q -kb -U $_cur 122498186Sgordon chown root:wheel $_cur $_cur,v 122598186Sgordon rm $_cur 122698186Sgordon ;; 122798186Sgordon esac 122898186Sgordon else 122998186Sgordon case $_action in 123098186Sgordon add|update) 123198186Sgordon if [ -f $_cur ]; then 123298186Sgordon cp -p $_cur $_back 123398186Sgordon fi 123498186Sgordon cp -p $_file $_cur 123598186Sgordon chown root:wheel $_cur 123698186Sgordon ;; 123798186Sgordon remove) 123898186Sgordon mv -f $_cur $_back 123998186Sgordon ;; 124098186Sgordon esac 124198186Sgordon fi 124298186Sgordon} 1243119166Smtm 1244123344Smtm# make_symlink src link 1245123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1246123344Smtm# directory in which link is to be created does not exist 1247123344Smtm# a warning will be displayed and an error will be returned. 1248123344Smtm# Returns 0 on sucess, 1 otherwise. 1249119166Smtm# 1250123344Smtmmake_symlink() 1251119166Smtm{ 1252123344Smtm local src link linkdir _me 1253123344Smtm src="$1" 1254123344Smtm link="$2" 1255123344Smtm linkdir="`dirname $link`" 1256123344Smtm _me="make_symlink()" 1257119166Smtm 1258123344Smtm if [ -z "$src" -o -z "$link" ]; then 1259123344Smtm warn "$_me: requires two arguments." 1260119166Smtm return 1 1261119166Smtm fi 1262123344Smtm if [ ! -d "$linkdir" ]; then 1263160667Syar warn "$_me: the directory $linkdir does not exist." 1264119166Smtm return 1 1265119166Smtm fi 1266146490Sschweikh if ! ln -sf $src $link; then 1267123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1268119166Smtm return 1 1269119166Smtm fi 1270119166Smtm return 0 1271119166Smtm} 1272119166Smtm 1273119166Smtm# devfs_rulesets_from_file file 1274119166Smtm# Reads a set of devfs commands from file, and creates 1275119166Smtm# the specified rulesets with their rules. Returns non-zero 1276119166Smtm# if there was an error. 1277119166Smtm# 1278119166Smtmdevfs_rulesets_from_file() 1279119166Smtm{ 1280119166Smtm local file _err _me 1281119166Smtm file="$1" 1282119166Smtm _me="devfs_rulesets_from_file" 1283119166Smtm _err=0 1284119166Smtm 1285119166Smtm if [ -z "$file" ]; then 1286119166Smtm warn "$_me: you must specify a file" 1287119166Smtm return 1 1288119166Smtm fi 1289119166Smtm if [ ! -e "$file" ]; then 1290119166Smtm debug "$_me: no such file ($file)" 1291119166Smtm return 0 1292119166Smtm fi 1293119166Smtm debug "reading rulesets from file ($file)" 1294119166Smtm { while read line 1295119166Smtm do 1296119166Smtm case $line in 1297119166Smtm \#*) 1298119166Smtm continue 1299119166Smtm ;; 1300119166Smtm \[*\]*) 1301119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1302119166Smtm if [ -z "$rulenum" ]; then 1303119166Smtm warn "$_me: cannot extract rule number ($line)" 1304119166Smtm _err=1 1305119166Smtm break 1306119166Smtm fi 1307119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1308119166Smtm if [ -z "$rulename" ]; then 1309119166Smtm warn "$_me: cannot extract rule name ($line)" 1310119166Smtm _err=1 1311119166Smtm break; 1312119166Smtm fi 1313119166Smtm eval $rulename=\$rulenum 1314119166Smtm debug "found ruleset: $rulename=$rulenum" 1315146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1316119166Smtm _err=1 1317119166Smtm break 1318119166Smtm fi 1319119166Smtm ;; 1320119166Smtm *) 1321119166Smtm rulecmd="${line%%"\#*"}" 1322119166Smtm # evaluate the command incase it includes 1323119166Smtm # other rules 1324119166Smtm if [ -n "$rulecmd" ]; then 1325119166Smtm debug "adding rule ($rulecmd)" 1326119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1327119166Smtm then 1328119166Smtm _err=1 1329119166Smtm break 1330119166Smtm fi 1331119166Smtm fi 1332119166Smtm ;; 1333119166Smtm esac 1334119166Smtm if [ $_err -ne 0 ]; then 1335119166Smtm debug "error in $_me" 1336119166Smtm break 1337119166Smtm fi 1338119166Smtm done } < $file 1339119166Smtm return $_err 1340119166Smtm} 1341119166Smtm 1342119166Smtm# devfs_init_rulesets 1343119166Smtm# Initializes rulesets from configuration files. Returns 1344119166Smtm# non-zero if there was an error. 1345119166Smtm# 1346119166Smtmdevfs_init_rulesets() 1347119166Smtm{ 1348119166Smtm local file _me 1349119166Smtm _me="devfs_init_rulesets" 1350119166Smtm 1351119166Smtm # Go through this only once 1352119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1353119166Smtm debug "$_me: devfs rulesets already initialized" 1354119166Smtm return 1355119166Smtm fi 1356146490Sschweikh for file in $devfs_rulesets; do 1357119166Smtm devfs_rulesets_from_file $file || return 1 1358119166Smtm done 1359119166Smtm devfs_rulesets_init=1 1360119166Smtm debug "$_me: devfs rulesets initialized" 1361119166Smtm return 0 1362119166Smtm} 1363119166Smtm 1364119166Smtm# devfs_set_ruleset ruleset [dir] 1365151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1366119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1367119166Smtm# Returns non-zero if it could not set it successfully. 1368119166Smtm# 1369119166Smtmdevfs_set_ruleset() 1370119166Smtm{ 1371119166Smtm local devdir rs _me 1372119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1373119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1374119166Smtm _me="devfs_set_ruleset" 1375119166Smtm 1376119166Smtm if [ -z "$rs" ]; then 1377119166Smtm warn "$_me: you must specify a ruleset number" 1378119166Smtm return 1 1379119166Smtm fi 1380119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1381146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1382119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1383119166Smtm return 1 1384119166Smtm fi 1385119166Smtm return 0 1386119166Smtm} 1387119166Smtm 1388119166Smtm# devfs_apply_ruleset ruleset [dir] 1389119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1390119166Smtm# The ruleset argument must be a ruleset name as specified 1391119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1392119166Smtm# if it could not apply the ruleset. 1393119166Smtm# 1394119166Smtmdevfs_apply_ruleset() 1395119166Smtm{ 1396119166Smtm local devdir rs _me 1397119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1398119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1399119166Smtm _me="devfs_apply_ruleset" 1400119166Smtm 1401119166Smtm if [ -z "$rs" ]; then 1402119166Smtm warn "$_me: you must specify a ruleset" 1403119166Smtm return 1 1404119166Smtm fi 1405119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1406146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1407119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1408119166Smtm return 1 1409119166Smtm fi 1410119166Smtm return 0 1411119166Smtm} 1412119166Smtm 1413119166Smtm# devfs_domount dir [ruleset] 1414119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1415119166Smtm# on the mount-point. It must also be a ruleset name as specified 1416119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1417119166Smtm# 1418119166Smtmdevfs_domount() 1419119166Smtm{ 1420119166Smtm local devdir rs _me 1421119166Smtm devdir="$1" 1422119166Smtm [ -n "$2" ] && rs=$2 || rs= 1423119166Smtm _me="devfs_domount()" 1424119166Smtm 1425119166Smtm if [ -z "$devdir" ]; then 1426119166Smtm warn "$_me: you must specify a mount-point" 1427119166Smtm return 1 1428119166Smtm fi 1429119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1430146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1431119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1432119166Smtm return 1 1433119166Smtm fi 1434119166Smtm if [ -n "$rs" ]; then 1435119166Smtm devfs_init_rulesets 1436119166Smtm devfs_set_ruleset $rs $devdir 1437124797Scperciva devfs -m $devdir rule applyset 1438119166Smtm fi 1439119166Smtm return 0 1440119166Smtm} 1441119166Smtm 1442119166Smtm# devfs_mount_jail dir [ruleset] 1443119166Smtm# Mounts a devfs file system appropriate for jails 1444119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1445119166Smtm# it names will be used instead. If present, ruleset must 1446119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1447119166Smtm# This function returns non-zero if an error occurs. 1448119166Smtm# 1449119166Smtmdevfs_mount_jail() 1450119166Smtm{ 1451119166Smtm local jdev rs _me 1452119166Smtm jdev="$1" 1453119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1454119166Smtm _me="devfs_mount_jail" 1455119166Smtm 1456119166Smtm devfs_init_rulesets 1457146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1458119166Smtm warn "$_me: devfs was not mounted on $jdev" 1459119166Smtm return 1 1460119166Smtm fi 1461119166Smtm return 0 1462119166Smtm} 1463127345Sbrooks 1464127345Sbrooks# Provide a function for normalizing the mounting of memory 1465127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1466127345Sbrooks# as close as possible between 5-current and 4-stable. 1467127345Sbrooks# $1 = size 1468127345Sbrooks# $2 = mount point 1469137451Skeramida# $3 = (optional) extra mdmfs flags 1470146490Sschweikhmount_md() 1471146490Sschweikh{ 1472127345Sbrooks if [ -n "$3" ]; then 1473137451Skeramida flags="$3" 1474127345Sbrooks fi 1475149421Syar /sbin/mdmfs $flags -s $1 md $2 1476127345Sbrooks} 1477131550Scperciva 1478159828Syar# Code common to scripts that need to load a kernel module 1479159828Syar# if it isn't in the kernel yet. Syntax: 1480160666Syar# load_kld [-e regex] [-m module] file 1481159828Syar# where -e or -m chooses the way to check if the module 1482159828Syar# is already loaded: 1483160666Syar# regex is egrep'd in the output from `kldstat -v', 1484160666Syar# module is passed to `kldstat -m'. 1485160666Syar# The default way is as though `-m file' were specified. 1486159828Syarload_kld() 1487159828Syar{ 1488159828Syar local _loaded _mod _opt _re 1489159828Syar 1490159828Syar while getopts "e:m:" _opt; do 1491159828Syar case "$_opt" in 1492159828Syar e) _re="$OPTARG" ;; 1493159828Syar m) _mod="$OPTARG" ;; 1494160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1495159828Syar esac 1496159828Syar done 1497159828Syar shift $(($OPTIND - 1)) 1498160666Syar if [ $# -ne 1 ]; then 1499160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1500160666Syar fi 1501159828Syar _mod=${_mod:-$1} 1502159828Syar _loaded=false 1503159828Syar if [ -n "$_re" ]; then 1504159828Syar if kldstat -v | egrep -q -e "$_re"; then 1505159828Syar _loaded=true 1506159828Syar fi 1507159828Syar else 1508159828Syar if kldstat -q -m "$_mod"; then 1509159828Syar _loaded=true 1510159828Syar fi 1511159828Syar fi 1512159828Syar if ! $_loaded; then 1513159828Syar if ! kldload "$1"; then 1514159828Syar warn "Unable to load kernel module $1" 1515159828Syar return 1 1516160666Syar else 1517160666Syar info "$1 kernel module loaded." 1518159828Syar fi 1519160666Syar else 1520160666Syar debug "load_kld: $1 kernel module already loaded." 1521159828Syar fi 1522159828Syar return 0 1523159828Syar} 1524159828Syar 1525149049Spjd# ltr str src dst 1526149049Spjd# Change every $src in $str to $dst. 1527149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1528149049Spjd# awk(1). 1529149049Spjdltr() 1530149049Spjd{ 1531149049Spjd local _str _src _dst _out _com 1532149049Spjd _str=$1 1533149049Spjd _src=$2 1534149049Spjd _dst=$3 1535149049Spjd _out="" 1536149049Spjd 1537149049Spjd IFS=${_src} 1538149049Spjd for _com in ${_str}; do 1539149049Spjd if [ -z "${_out}" ]; then 1540149049Spjd _out="${_com}" 1541149049Spjd else 1542149049Spjd _out="${_out}${_dst}${_com}" 1543149049Spjd fi 1544149049Spjd done 1545149049Spjd echo "${_out}" 1546149049Spjd} 1547149049Spjd 1548149050Spjd# Creates a list of providers for GELI encryption. 1549149050Spjdgeli_make_list() 1550149050Spjd{ 1551149050Spjd local devices devices2 1552149050Spjd local provider mountpoint type options rest 1553149050Spjd 1554149050Spjd # Create list of GELI providers from fstab. 1555149050Spjd while read provider mountpoint type options rest ; do 1556155570Sflz case ":${options}" in 1557155570Sflz :*noauto*) 1558155570Sflz noauto=yes 1559155570Sflz ;; 1560155570Sflz *) 1561155570Sflz noauto=no 1562155570Sflz ;; 1563155570Sflz esac 1564155570Sflz 1565149050Spjd case ":${provider}" in 1566149050Spjd :#*) 1567149050Spjd continue 1568149050Spjd ;; 1569149050Spjd *.eli) 1570149050Spjd # Skip swap devices. 1571155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1572149050Spjd continue 1573149050Spjd fi 1574149050Spjd devices="${devices} ${provider}" 1575149050Spjd ;; 1576149050Spjd esac 1577149050Spjd done < /etc/fstab 1578149050Spjd 1579149050Spjd # Append providers from geli_devices. 1580149050Spjd devices="${devices} ${geli_devices}" 1581149050Spjd 1582149050Spjd for provider in ${devices}; do 1583149050Spjd provider=${provider%.eli} 1584149050Spjd provider=${provider#/dev/} 1585149050Spjd devices2="${devices2} ${provider}" 1586149050Spjd done 1587149050Spjd 1588149050Spjd echo ${devices2} 1589149050Spjd} 1590149050Spjd 1591153027Sdougb# Find scripts in local_startup directories that use the old syntax 1592153027Sdougb# 1593153027Sdougbfind_local_scripts_old () { 1594153027Sdougb zlist='' 1595153027Sdougb slist='' 1596153027Sdougb for dir in ${local_startup}; do 1597153027Sdougb if [ -d "${dir}" ]; then 1598153027Sdougb for file in ${dir}/[0-9]*.sh; do 1599153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1600153027Sdougb continue 1601153027Sdougb zlist="$zlist $file" 1602153027Sdougb done 1603153027Sdougb for file in ${dir}/[^0-9]*.sh; do 1604153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1605153027Sdougb continue 1606153027Sdougb slist="$slist $file" 1607153027Sdougb done 1608153027Sdougb fi 1609153027Sdougb done 1610153027Sdougb} 1611153027Sdougb 1612153027Sdougbfind_local_scripts_new () { 1613153027Sdougb local_rc='' 1614153027Sdougb for dir in ${local_startup}; do 1615153027Sdougb if [ -d "${dir}" ]; then 1616153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1617153027Sdougb case "$file" in 1618153027Sdougb *.sample) ;; 1619153027Sdougb *) if [ -x "$file" ]; then 1620153027Sdougb local_rc="${local_rc} ${file}" 1621153027Sdougb fi 1622153027Sdougb ;; 1623153027Sdougb esac 1624153027Sdougb done 1625153027Sdougb fi 1626153027Sdougb done 1627153027Sdougb} 1628153027Sdougb 1629165565Syar# check_required_{before|after} command 1630165565Syar# Check for things required by the command before and after its precmd, 1631165565Syar# respectively. The two separate functions are needed because some 1632165565Syar# conditions should prevent precmd from being run while other things 1633165565Syar# depend on precmd having already been run. 1634165565Syar# 1635165565Syarcheck_required_before() 1636165565Syar{ 1637165565Syar local _f 1638165565Syar 1639165565Syar case "$1" in 1640165565Syar start) 1641165565Syar for _f in $required_vars; do 1642165565Syar if ! checkyesno $_f; then 1643165565Syar warn "\$${_f} is not enabled." 1644165565Syar if [ -z "$rc_force" ]; then 1645165565Syar return 1 1646165565Syar fi 1647165565Syar fi 1648165565Syar done 1649165565Syar 1650165565Syar for _f in $required_dirs; do 1651165565Syar if [ ! -d "${_f}/." ]; then 1652165565Syar warn "${_f} is not a directory." 1653165565Syar if [ -z "$rc_force" ]; then 1654165565Syar return 1 1655165565Syar fi 1656165565Syar fi 1657165565Syar done 1658165565Syar 1659165565Syar for _f in $required_files; do 1660165565Syar if [ ! -r "${_f}" ]; then 1661165565Syar warn "${_f} is not readable." 1662165565Syar if [ -z "$rc_force" ]; then 1663165565Syar return 1 1664165565Syar fi 1665165565Syar fi 1666165565Syar done 1667165565Syar ;; 1668165565Syar esac 1669165565Syar 1670165565Syar return 0 1671165565Syar} 1672165565Syar 1673165565Syarcheck_required_after() 1674165565Syar{ 1675165565Syar local _f _args 1676165565Syar 1677165565Syar case "$1" in 1678165565Syar start) 1679165565Syar for _f in $required_modules; do 1680165565Syar case "${_f}" in 1681165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1682165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1683165565Syar *) _args="${_f}" ;; 1684165565Syar esac 1685165565Syar if ! load_kld ${_args}; then 1686165565Syar if [ -z "$rc_force" ]; then 1687165565Syar return 1 1688165565Syar fi 1689165565Syar fi 1690165565Syar done 1691165565Syar ;; 1692165565Syar esac 1693165565Syar 1694165565Syar return 0 1695165565Syar} 1696165565Syar 1697131550Scpercivafi 1698157841Sflz 1699197144Shrs# _echoonce var msg mode 1700197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1701197144Shrs# After doing echo, a string is set to ${$var}. 1702197144Shrs# 1703197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1704197144Shrs# 1705197144Shrs_echoonce() 1706197144Shrs{ 1707197144Shrs local _var _msg _mode 1708197144Shrs _var=`eval echo \\$$1` 1709197144Shrs _msg=$2 1710197144Shrs _mode=$3 1711197144Shrs 1712197144Shrs case $_mode in 1713197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1714197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1715197144Shrs esac 1716197144Shrs} 1717197144Shrs 1718157841Sflz_rc_subr_loaded=: 1719