rc.subr revision 200818
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 200818 2009-12-21 22:16:07Z jilles $ 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=", " 393200818Sjilles pwait $_list 2>/dev/null || sleep 2 39478344Sobrien done 39598186Sgordon if [ -n "$_prefix" ]; then 39698186Sgordon echo "." 39798186Sgordon fi 39878344Sobrien} 39978344Sobrien 40078344Sobrien# 401197947Sdougb# check_startmsgs 402197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 403197947Sdougb# boot time) check if rc_startmsgs is enabled. 404197947Sdougb# 405197947Sdougbcheck_startmsgs() 406197947Sdougb{ 407197947Sdougb if [ -n "$rc_quiet" ]; then 408197947Sdougb checkyesno rc_startmsgs 409197947Sdougb else 410197947Sdougb return 0 411197947Sdougb fi 412197947Sdougb} 413197947Sdougb 414197947Sdougb# 41598186Sgordon# run_rc_command argument 41698186Sgordon# Search for argument in the list of supported commands, which is: 41798186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 41898186Sgordon# If there's a match, run ${argument}_cmd or the default method 41998186Sgordon# (see below). 42078344Sobrien# 42198186Sgordon# If argument has a given prefix, then change the operation as follows: 42298186Sgordon# Prefix Operation 42378344Sobrien# ------ --------- 424175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 42598186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 426126303Smtm# one Set ${rcvar} to YES 427175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 42878344Sobrien# 42978344Sobrien# The following globals are used: 43078344Sobrien# 43198186Sgordon# Name Needed Purpose 43298186Sgordon# ---- ------ ------- 43378344Sobrien# name y Name of script. 43478344Sobrien# 43578344Sobrien# command n Full path to command. 43698186Sgordon# Not needed if ${rc_arg}_cmd is set for 43778344Sobrien# each keyword. 43878344Sobrien# 43978344Sobrien# command_args n Optional args/shell directives for command. 44078344Sobrien# 44198186Sgordon# command_interpreter n If not empty, command is interpreted, so 44298186Sgordon# call check_{pidfile,process}() appropriately. 44398186Sgordon# 444197144Shrs# desc n Description of script. 445197144Shrs# 44678344Sobrien# extra_commands n List of extra commands supported. 44778344Sobrien# 44898186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 44998186Sgordon# otherwise use check_process $command. 45098186Sgordon# In either case, only check if $command is set. 45178344Sobrien# 45298186Sgordon# procname n Process name to check for instead of $command. 45398186Sgordon# 45478344Sobrien# rcvar n This is checked with checkyesno to determine 45578344Sobrien# if the action should be run. 45678344Sobrien# 457157653Sflz# ${name}_program n Full path to command. 458157653Sflz# Meant to be used in /etc/rc.conf to override 459157653Sflz# ${command}. 460157653Sflz# 46178344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 46298186Sgordon# Requires /usr to be mounted. 46378344Sobrien# 46478344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 46578344Sobrien# (if not using ${name}_chroot). 46678344Sobrien# 46778344Sobrien# ${name}_flags n Arguments to call ${command} with. 46878344Sobrien# NOTE: $flags from the parent environment 46978344Sobrien# can be used to override this. 47078344Sobrien# 47178344Sobrien# ${name}_nice n Nice level to run ${command} at. 47278344Sobrien# 47378344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 47478344Sobrien# using ${name}_chroot. 47598186Sgordon# Requires /usr to be mounted. 47678344Sobrien# 47778344Sobrien# ${name}_group n Group to run chrooted ${command} as. 47898186Sgordon# Requires /usr to be mounted. 47978344Sobrien# 48098186Sgordon# ${name}_groups n Comma separated list of supplementary groups 48198186Sgordon# to run the chrooted ${command} with. 48298186Sgordon# Requires /usr to be mounted. 48378344Sobrien# 48498186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 48578344Sobrien# Otherwise, use default command (see below) 48678344Sobrien# 48798186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 48898186Sgordon# ${rc_arg}_cmd method in the default 48998186Sgordon# operation (i.e, after checking for required 49098186Sgordon# bits and process (non)existence). 49178344Sobrien# If this completes with a non-zero exit code, 49298186Sgordon# don't run ${rc_arg}_cmd. 49378344Sobrien# 49498186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 49598186Sgordon# ${rc_arg}_cmd method, if that method 49698186Sgordon# returned a zero exit code. 49798186Sgordon# 49878344Sobrien# required_dirs n If set, check for the existence of the given 499165565Syar# directories before running a (re)start command. 50078344Sobrien# 50178344Sobrien# required_files n If set, check for the readability of the given 502165565Syar# files before running a (re)start command. 50378344Sobrien# 504165565Syar# required_modules n If set, ensure the given kernel modules are 505165565Syar# loaded before running a (re)start command. 506165565Syar# The check and possible loads are actually 507165565Syar# done after start_precmd so that the modules 508165565Syar# aren't loaded in vain, should the precmd 509165565Syar# return a non-zero status to indicate a error. 510165565Syar# If a word in the list looks like "foo:bar", 511165565Syar# "foo" is the KLD file name and "bar" is the 512165565Syar# module name. If a word looks like "foo~bar", 513165565Syar# "foo" is the KLD file name and "bar" is a 514165565Syar# egrep(1) pattern matching the module name. 515165565Syar# Otherwise the module name is assumed to be 516165565Syar# the same as the KLD file name, which is most 517165565Syar# common. See load_kld(). 518165565Syar# 51978344Sobrien# required_vars n If set, perform checkyesno on each of the 52078344Sobrien# listed variables before running the default 52178344Sobrien# (re)start command. 52278344Sobrien# 52398186Sgordon# Default behaviour for a given argument, if no override method is 52498186Sgordon# provided: 52578344Sobrien# 52698186Sgordon# Argument Default behaviour 52798186Sgordon# -------- ----------------- 52878344Sobrien# start if !running && checkyesno ${rcvar} 52978344Sobrien# ${command} 53078344Sobrien# 53178344Sobrien# stop if ${pidfile} 53298186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 53378344Sobrien# else 53498186Sgordon# rc_pid=$(check_process $command) 53598186Sgordon# kill $sig_stop $rc_pid 53698186Sgordon# wait_for_pids $rc_pid 53798186Sgordon# ($sig_stop defaults to TERM.) 53878344Sobrien# 53998186Sgordon# reload Similar to stop, except use $sig_reload instead, 54098186Sgordon# and doesn't wait_for_pids. 54178344Sobrien# $sig_reload defaults to HUP. 542151685Syar# Note that `reload' isn't provided by default, 543151685Syar# it should be enabled via $extra_commands. 54478344Sobrien# 54578344Sobrien# restart Run `stop' then `start'. 54678344Sobrien# 54798186Sgordon# status Show if ${command} is running, etc. 54878344Sobrien# 54998186Sgordon# poll Wait for ${command} to exit. 55098186Sgordon# 55198186Sgordon# rcvar Display what rc.conf variable is used (if any). 55298186Sgordon# 55398186Sgordon# Variables available to methods, and after run_rc_command() has 55498186Sgordon# completed: 55598186Sgordon# 55698186Sgordon# Variable Purpose 55798186Sgordon# -------- ------- 558126303Smtm# rc_arg Argument to command, after fast/force/one processing 55998186Sgordon# performed 56098186Sgordon# 56198186Sgordon# rc_flags Flags to start the default command with. 56298186Sgordon# Defaults to ${name}_flags, unless overridden 56398186Sgordon# by $flags from the environment. 56498186Sgordon# This variable may be changed by the precmd method. 56598186Sgordon# 56698186Sgordon# rc_pid PID of command (if appropriate) 56798186Sgordon# 56898186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 56998186Sgordon# 57098186Sgordon# rc_force Not empty if "force" was provided (q.v.) 57198186Sgordon# 572175676Smtm# rc_quiet Not empty if "quiet" was provided 57398186Sgordon# 574175676Smtm# 57578344Sobrienrun_rc_command() 57678344Sobrien{ 577116097Smtm _return=0 57898186Sgordon rc_arg=$1 57978344Sobrien if [ -z "$name" ]; then 58098186Sgordon err 3 'run_rc_command: $name is not set.' 58178344Sobrien fi 58278344Sobrien 583132892Smtm # Don't repeat the first argument when passing additional command- 584132892Smtm # line arguments to the command subroutines. 585132892Smtm # 586132892Smtm shift 1 587132892Smtm rc_extra_args="$*" 588132892Smtm 589126303Smtm _rc_prefix= 59098186Sgordon case "$rc_arg" in 59178344Sobrien fast*) # "fast" prefix; don't check pid 59298186Sgordon rc_arg=${rc_arg#fast} 59398186Sgordon rc_fast=yes 594175676Smtm rc_quiet=yes 59578344Sobrien ;; 596198216Sed force*) # "force" prefix; always run 59798186Sgordon rc_force=yes 598126303Smtm _rc_prefix=force 599126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 60078344Sobrien if [ -n "${rcvar}" ]; then 60178344Sobrien eval ${rcvar}=YES 60278344Sobrien fi 60378344Sobrien ;; 604126303Smtm one*) # "one" prefix; set ${rcvar}=yes 605126303Smtm _rc_prefix=one 606126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 607126303Smtm if [ -n "${rcvar}" ]; then 608126303Smtm eval ${rcvar}=YES 609126303Smtm fi 610126303Smtm ;; 611175676Smtm quiet*) # "quiet" prefix; omit some messages 612175676Smtm _rc_prefix=quiet 613175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 614175676Smtm rc_quiet=yes 615175676Smtm ;; 61678344Sobrien esac 61778344Sobrien 618161530Sflz eval _override_command=\$${name}_program 619198162Sdougb command=${_override_command:-$command} 620161530Sflz 62178344Sobrien _keywords="start stop restart rcvar $extra_commands" 62298186Sgordon rc_pid= 62378344Sobrien _pidcmd= 62498186Sgordon _procname=${procname:-${command}} 62598186Sgordon 626131135Smtm # setup pid check command 627131135Smtm if [ -n "$_procname" ]; then 62878344Sobrien if [ -n "$pidfile" ]; then 62998186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 63098186Sgordon else 63198186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 63278344Sobrien fi 63378344Sobrien if [ -n "$_pidcmd" ]; then 63498186Sgordon _keywords="${_keywords} status poll" 63578344Sobrien fi 63678344Sobrien fi 63778344Sobrien 63898186Sgordon if [ -z "$rc_arg" ]; then 639150796Syar rc_usage $_keywords 64078344Sobrien fi 64178344Sobrien 64278344Sobrien if [ -n "$flags" ]; then # allow override from environment 64398186Sgordon rc_flags=$flags 64478344Sobrien else 64598186Sgordon eval rc_flags=\$${name}_flags 64678344Sobrien fi 64798186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 64898186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 64998186Sgordon _group=\$${name}_group _groups=\$${name}_groups 65078344Sobrien 65198186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 652124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 65398186Sgordon unset _user 65498186Sgordon fi 65598186Sgordon fi 65698186Sgordon 657179870Smtm eval $_pidcmd # determine the pid if necessary 658179870Smtm 659179870Smtm for _elem in $_keywords; do 660179870Smtm if [ "$_elem" != "$rc_arg" ]; then 661179870Smtm continue 662179870Smtm fi 66378344Sobrien # if ${rcvar} is set, and $1 is not 66498186Sgordon # "rcvar", then run 66578344Sobrien # checkyesno ${rcvar} 66678344Sobrien # and return if that failed 66778344Sobrien # 668179870Smtm if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 669179870Smtm if ! checkyesno ${rcvar}; then 670179870Smtm if [ -n "${rc_quiet}" ]; then 671179870Smtm return 0 672179870Smtm fi 673179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 674179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 675179870Smtm echo "instead of '${rc_arg}'." 676175676Smtm return 0 677175676Smtm fi 67878344Sobrien fi 67978344Sobrien 68078344Sobrien # if there's a custom ${XXX_cmd}, 68178344Sobrien # run that instead of the default 68278344Sobrien # 683165565Syar eval _cmd=\$${rc_arg}_cmd \ 684165565Syar _precmd=\$${rc_arg}_precmd \ 685165565Syar _postcmd=\$${rc_arg}_postcmd 686165565Syar 68778344Sobrien if [ -n "$_cmd" ]; then 688165565Syar _run_rc_precmd || return 1 689165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 690165565Syar _run_rc_postcmd 691116097Smtm return $_return 69278344Sobrien fi 69378344Sobrien 69498186Sgordon case "$rc_arg" in # default operations... 69578344Sobrien 69678344Sobrien status) 697165565Syar _run_rc_precmd || return 1 69898186Sgordon if [ -n "$rc_pid" ]; then 69998186Sgordon echo "${name} is running as pid $rc_pid." 70078344Sobrien else 70178344Sobrien echo "${name} is not running." 70278344Sobrien return 1 70378344Sobrien fi 704165565Syar _run_rc_postcmd 70578344Sobrien ;; 70678344Sobrien 70778344Sobrien start) 708131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 709157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 710153152Syar return 1 71178344Sobrien fi 71278344Sobrien 713167413Syar if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 714160667Syar warn "run_rc_command: cannot run $command" 715153152Syar return 1 71678344Sobrien fi 71778344Sobrien 718179946Smtm if ! _run_rc_precmd; then 719179946Smtm warn "failed precmd routine for ${name}" 720179946Smtm return 1 721179946Smtm fi 72278344Sobrien 723160668Syar # setup the full command to run 72478344Sobrien # 725197947Sdougb check_startmsgs && echo "Starting ${name}." 72678344Sobrien if [ -n "$_chroot" ]; then 72778344Sobrien _doit="\ 72878344Sobrien${_nice:+nice -n $_nice }\ 72978344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 73098186Sgordon$_chroot $command $rc_flags $command_args" 73178344Sobrien else 73278344Sobrien _doit="\ 733161396Syar${_chdir:+cd $_chdir && }\ 73498186Sgordon$command $rc_flags $command_args" 73598186Sgordon if [ -n "$_user" ]; then 73698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 73798186Sgordon fi 738161396Syar if [ -n "$_nice" ]; then 739161396Syar if [ -z "$_user" ]; then 740161396Syar _doit="sh -c \"$_doit\"" 741161396Syar fi 742161396Syar _doit="nice -n $_nice $_doit" 743161396Syar fi 74478344Sobrien fi 74598186Sgordon 746165565Syar # run the full command 74798186Sgordon # 748179946Smtm if ! _run_rc_doit "$_doit"; then 749179946Smtm warn "failed to start ${name}" 750179946Smtm return 1 751179946Smtm fi 75298186Sgordon 75398186Sgordon # finally, run postcmd 75498186Sgordon # 755165565Syar _run_rc_postcmd 75678344Sobrien ;; 75778344Sobrien 75878344Sobrien stop) 75998186Sgordon if [ -z "$rc_pid" ]; then 760153152Syar [ -n "$rc_fast" ] && return 0 761165565Syar _run_rc_notrunning 762153152Syar return 1 76378344Sobrien fi 76478344Sobrien 765165565Syar _run_rc_precmd || return 1 76698186Sgordon 76798186Sgordon # send the signal to stop 76898186Sgordon # 76978344Sobrien echo "Stopping ${name}." 770165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 771165565Syar _run_rc_doit "$_doit" || return 1 77298186Sgordon 77398186Sgordon # wait for the command to exit, 77498186Sgordon # and run postcmd. 77598186Sgordon wait_for_pids $rc_pid 776165565Syar 777165565Syar _run_rc_postcmd 77878344Sobrien ;; 77978344Sobrien 78078344Sobrien reload) 78198186Sgordon if [ -z "$rc_pid" ]; then 782165565Syar _run_rc_notrunning 783153152Syar return 1 78478344Sobrien fi 785165565Syar 786165565Syar _run_rc_precmd || return 1 787165565Syar 788165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 789165565Syar _run_rc_doit "$_doit" || return 1 790165565Syar 791165565Syar _run_rc_postcmd 79278344Sobrien ;; 79378344Sobrien 79478344Sobrien restart) 79578344Sobrien # prevent restart being called more 79678344Sobrien # than once by any given script 79778344Sobrien # 798126285Smtm if ${_rc_restart_done:-false}; then 79978344Sobrien return 0 80078344Sobrien fi 801126285Smtm _rc_restart_done=true 80278344Sobrien 803165565Syar _run_rc_precmd || return 1 804165565Syar 805165565Syar # run those in a subshell to keep global variables 806152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 807165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 808165565Syar _return=$? 809165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 81098186Sgordon 811165565Syar _run_rc_postcmd 81278344Sobrien ;; 81378344Sobrien 81498186Sgordon poll) 815165565Syar _run_rc_precmd || return 1 81698186Sgordon if [ -n "$rc_pid" ]; then 81798186Sgordon wait_for_pids $rc_pid 81898186Sgordon fi 819165565Syar _run_rc_postcmd 82098186Sgordon ;; 82198186Sgordon 82278344Sobrien rcvar) 823197144Shrs echo -n "# $name" 824197144Shrs if [ -n "$desc" ]; then 825197144Shrs echo " : $desc" 826197144Shrs else 827197144Shrs echo "" 828197144Shrs fi 829197144Shrs echo "#" 830197144Shrs # Get unique vars in $rcvar $rcvars 831197144Shrs for _v in $rcvar $rcvars; do 832197144Shrs case $v in 833197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 834197144Shrs *) v="${v# } $_v" ;; 835197144Shrs esac 836197144Shrs done 837197144Shrs 838197144Shrs # Display variables. 839197144Shrs for _v in $v; do 840197144Shrs if [ -z "$_v" ]; then 841197144Shrs continue 84278344Sobrien fi 843197144Shrs 844197144Shrs eval _desc=\$${_v}_desc 845197144Shrs eval _defval=\$${_v}_defval 846197144Shrs _h="-" 847197144Shrs 848197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 849197144Shrs # decode multiple lines of _desc 850197144Shrs while [ -n "$_desc" ]; do 851197144Shrs case $_desc in 852197144Shrs *^^*) 853197144Shrs echo "# $_h ${_desc%%^^*}" 854197144Shrs _desc=${_desc#*^^} 855197144Shrs _h=" " 856197144Shrs ;; 857197144Shrs *) 858197144Shrs echo "# $_h ${_desc}" 859197144Shrs break 860197144Shrs ;; 861197144Shrs esac 862197144Shrs done 863197144Shrs echo "# (default: \"$_defval\")" 864197144Shrs done 865197144Shrs echo "" 86678344Sobrien ;; 86778344Sobrien 86878344Sobrien *) 869150796Syar rc_usage $_keywords 87078344Sobrien ;; 87178344Sobrien 87278344Sobrien esac 873116097Smtm return $_return 87478344Sobrien done 87578344Sobrien 87698186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 877150796Syar rc_usage $_keywords 878153152Syar # not reached 87978344Sobrien} 88078344Sobrien 88178344Sobrien# 882165565Syar# Helper functions for run_rc_command: common code. 883165565Syar# They use such global variables besides the exported rc_* ones: 884165565Syar# 885165565Syar# name R/W 886165565Syar# ------------------ 887165565Syar# _precmd R 888165565Syar# _postcmd R 889165565Syar# _return W 890165565Syar# 891165565Syar_run_rc_precmd() 892165565Syar{ 893165565Syar check_required_before "$rc_arg" || return 1 894165565Syar 895165565Syar if [ -n "$_precmd" ]; then 896165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 897165565Syar eval "$_precmd $rc_extra_args" 898165565Syar _return=$? 899165565Syar 900165565Syar # If precmd failed and force isn't set, request exit. 901165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 902165565Syar return 1 903165565Syar fi 904165565Syar fi 905165565Syar 906165565Syar check_required_after "$rc_arg" || return 1 907165565Syar 908165565Syar return 0 909165565Syar} 910165565Syar 911165565Syar_run_rc_postcmd() 912165565Syar{ 913165565Syar if [ -n "$_postcmd" ]; then 914165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 915165565Syar eval "$_postcmd $rc_extra_args" 916165565Syar _return=$? 917165565Syar fi 918165565Syar return 0 919165565Syar} 920165565Syar 921165565Syar_run_rc_doit() 922165565Syar{ 923165565Syar debug "run_rc_command: doit: $*" 924165565Syar eval "$@" 925165565Syar _return=$? 926165565Syar 927165565Syar # If command failed and force isn't set, request exit. 928165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 929165565Syar return 1 930165565Syar fi 931165565Syar 932165565Syar return 0 933165565Syar} 934165565Syar 935165565Syar_run_rc_notrunning() 936165565Syar{ 937165565Syar local _pidmsg 938165565Syar 939165565Syar if [ -n "$pidfile" ]; then 940165565Syar _pidmsg=" (check $pidfile)." 941165565Syar else 942165565Syar _pidmsg= 943165565Syar fi 944165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 945165565Syar} 946165565Syar 947165565Syar_run_rc_killcmd() 948165565Syar{ 949165565Syar local _cmd 950165565Syar 951165565Syar _cmd="kill -$1 $rc_pid" 952165565Syar if [ -n "$_user" ]; then 953165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 954165565Syar fi 955165565Syar echo "$_cmd" 956165565Syar} 957165565Syar 958165565Syar# 95978344Sobrien# run_rc_script file arg 96078344Sobrien# Start the script `file' with `arg', and correctly handle the 96178344Sobrien# return value from the script. If `file' ends with `.sh', it's 96298186Sgordon# sourced into the current environment. If `file' appears to be 96398186Sgordon# a backup or scratch file, ignore it. Otherwise if it's 96498186Sgordon# executable run as a child process. 96578344Sobrien# 96678344Sobrienrun_rc_script() 96778344Sobrien{ 96878344Sobrien _file=$1 96978344Sobrien _arg=$2 97078344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 97178344Sobrien err 3 'USAGE: run_rc_script file arg' 97278344Sobrien fi 97378344Sobrien 97498186Sgordon unset name command command_args command_interpreter \ 97598186Sgordon extra_commands pidfile procname \ 976197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 977197144Shrs required_vars 97898186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 97998186Sgordon 98078344Sobrien case "$_file" in 981193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 982193118Sdougb warn "Ignoring old-style startup script $_file" 98378344Sobrien ;; 984153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 98598186Sgordon warn "Ignoring scratch file $_file" 98698186Sgordon ;; 98778344Sobrien *) # run in subshell 98898186Sgordon if [ -x $_file ]; then 98998186Sgordon if [ -n "$rc_fast_and_loose" ]; then 990146490Sschweikh set $_arg; . $_file 99198186Sgordon else 992130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 993130161Smtm trap "echo Script $_file interrupted; exit 1" 2 994184317Sthompsa trap "echo Script $_file running" 29 995146490Sschweikh set $_arg; . $_file ) 99698186Sgordon fi 99798186Sgordon fi 99878344Sobrien ;; 99978344Sobrien esac 100078344Sobrien} 100178344Sobrien 100278344Sobrien# 1003157653Sflz# load_rc_config name 1004157653Sflz# Source in the configuration file for a given name. 100578344Sobrien# 100678344Sobrienload_rc_config() 100778344Sobrien{ 1008197144Shrs local _name _var _defval _v _msg _new 1009157653Sflz _name=$1 1010157653Sflz if [ -z "$_name" ]; then 1011157653Sflz err 3 'USAGE: load_rc_config name' 101278344Sobrien fi 101378344Sobrien 1014126285Smtm if ${_rc_conf_loaded:-false}; then 1015126285Smtm : 1016126285Smtm else 101798186Sgordon if [ -r /etc/defaults/rc.conf ]; then 101898186Sgordon debug "Sourcing /etc/defaults/rc.conf" 101998186Sgordon . /etc/defaults/rc.conf 102098186Sgordon source_rc_confs 102198186Sgordon elif [ -r /etc/rc.conf ]; then 102298186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 102398186Sgordon . /etc/rc.conf 102498186Sgordon fi 1025126285Smtm _rc_conf_loaded=true 102698186Sgordon fi 1027161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1028157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1029161530Sflz . /etc/rc.conf.d/"$_name" 1030157653Sflz fi 1031179872Smtm 1032179872Smtm # Old variable names support 1033179872Smtm # 1034179872Smtm [ -n "$enable_quotas" ] && quota_enable="$enable_quotas" 1035197144Shrs 1036197144Shrs # Set defaults if defined. 1037197144Shrs for _var in $rcvar $rcvars; do 1038197144Shrs _defval=`eval echo "\\\$${_var}_defval"` 1039197144Shrs if [ -n "$_defval" ]; then 1040197144Shrs eval : \${$_var:=\$${_var}_defval} 1041197144Shrs fi 1042197144Shrs done 1043197144Shrs 1044197144Shrs # check obsolete rc.conf variables 1045197144Shrs for _var in $rcvars_obsolete; do 1046197144Shrs _v=`eval echo \\$$_var` 1047197144Shrs _msg=`eval echo \\$${_var}_obsolete_msg` 1048197144Shrs _new=`eval echo \\$${_var}_newvar` 1049197144Shrs case $_v in 1050197144Shrs "") 1051197144Shrs ;; 1052197144Shrs *) 1053197144Shrs if [ -z "$_new" ]; then 1054197144Shrs _msg="Ignored." 1055197144Shrs else 1056197144Shrs eval $_new=\"\$$_var\" 1057197144Shrs if [ -z "$_msg" ]; then 1058197144Shrs _msg="Use \$$_new instead." 1059197144Shrs fi 1060197144Shrs fi 1061197144Shrs warn "\$$_var is obsolete. $_msg" 1062197144Shrs ;; 1063197144Shrs esac 1064197144Shrs done 106578344Sobrien} 1066157473Sflz 1067157473Sflz# 1068157653Sflz# load_rc_config_var name var 1069157653Sflz# Read the rc.conf(5) var for name and set in the 1070157473Sflz# current shell, using load_rc_config in a subshell to prevent 1071157473Sflz# unwanted side effects from other variable assignments. 1072157473Sflz# 1073157473Sflzload_rc_config_var() 1074157473Sflz{ 1075157473Sflz if [ $# -ne 2 ]; then 1076157653Sflz err 3 'USAGE: load_rc_config_var name var' 1077157473Sflz fi 1078157473Sflz eval $(eval '( 1079157473Sflz load_rc_config '$1' >/dev/null; 1080157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1081157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1082157473Sflz fi 1083157473Sflz )' ) 1084157473Sflz} 108578344Sobrien 108678344Sobrien# 108778344Sobrien# rc_usage commands 108878344Sobrien# Print a usage string for $0, with `commands' being a list of 108978344Sobrien# valid commands. 109078344Sobrien# 109178344Sobrienrc_usage() 109278344Sobrien{ 1093126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 109478344Sobrien 109578344Sobrien _sep= 1096126286Smtm for _elem; do 109778344Sobrien echo -n 1>&2 "$_sep$_elem" 109878344Sobrien _sep="|" 109978344Sobrien done 110078344Sobrien echo 1>&2 ")" 110178344Sobrien exit 1 110278344Sobrien} 110378344Sobrien 110478344Sobrien# 110578344Sobrien# err exitval message 110678344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 110778344Sobrien# 110878344Sobrienerr() 110978344Sobrien{ 111078344Sobrien exitval=$1 111178344Sobrien shift 111278344Sobrien 1113106643Sgordon if [ -x /usr/bin/logger ]; then 1114106643Sgordon logger "$0: ERROR: $*" 1115106643Sgordon fi 1116106643Sgordon echo 1>&2 "$0: ERROR: $*" 111778344Sobrien exit $exitval 111878344Sobrien} 111978344Sobrien 112078344Sobrien# 112178344Sobrien# warn message 112278344Sobrien# Display message to stderr and log to the syslog. 112378344Sobrien# 112478344Sobrienwarn() 112578344Sobrien{ 1126106643Sgordon if [ -x /usr/bin/logger ]; then 1127106643Sgordon logger "$0: WARNING: $*" 1128106643Sgordon fi 1129106643Sgordon echo 1>&2 "$0: WARNING: $*" 113078344Sobrien} 113198186Sgordon 113298186Sgordon# 113398186Sgordon# info message 113498186Sgordon# Display informational message to stdout and log to syslog. 113598186Sgordon# 113698186Sgordoninfo() 113798186Sgordon{ 1138119170Smtm case ${rc_info} in 1139119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1140119170Smtm if [ -x /usr/bin/logger ]; then 1141119170Smtm logger "$0: INFO: $*" 1142119170Smtm fi 1143119170Smtm echo "$0: INFO: $*" 1144119170Smtm ;; 1145119170Smtm esac 114698186Sgordon} 114798186Sgordon 114898186Sgordon# 114998186Sgordon# debug message 1150106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 115198186Sgordon# BEWARE that you don't call any subroutine that itself calls this 115298186Sgordon# function. 115398186Sgordon# 115498186Sgordondebug() 115598186Sgordon{ 115698186Sgordon case ${rc_debug} in 115798186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1158106700Sgordon if [ -x /usr/bin/logger ]; then 1159162947Syar logger "$0: DEBUG: $*" 1160106700Sgordon fi 1161146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 116298186Sgordon ;; 116398186Sgordon esac 116498186Sgordon} 116598186Sgordon 116698186Sgordon# 116798186Sgordon# backup_file action file cur backup 116898186Sgordon# Make a backup copy of `file' into `cur', and save the previous 116998186Sgordon# version of `cur' as `backup' or use rcs for archiving. 117098186Sgordon# 117198186Sgordon# This routine checks the value of the backup_uses_rcs variable, 117298186Sgordon# which can be either YES or NO. 117398186Sgordon# 117498186Sgordon# The `action' keyword can be one of the following: 117598186Sgordon# 117698186Sgordon# add `file' is now being backed up (and is possibly 117798186Sgordon# being reentered into the backups system). `cur' 117898186Sgordon# is created and RCS files, if necessary, are 117998186Sgordon# created as well. 118098186Sgordon# 118198186Sgordon# update `file' has changed and needs to be backed up. 118298186Sgordon# If `cur' exists, it is copied to to `back' or 118398186Sgordon# checked into RCS (if the repository file is old), 118498186Sgordon# and then `file' is copied to `cur'. Another RCS 118598186Sgordon# check in done here if RCS is being used. 118698186Sgordon# 118798186Sgordon# remove `file' is no longer being tracked by the backups 118898186Sgordon# system. If RCS is not being used, `cur' is moved 118998186Sgordon# to `back', otherwise an empty file is checked in, 119098186Sgordon# and then `cur' is removed. 119198186Sgordon# 119298186Sgordon# 119398186Sgordonbackup_file() 119498186Sgordon{ 119598186Sgordon _action=$1 119698186Sgordon _file=$2 119798186Sgordon _cur=$3 119898186Sgordon _back=$4 119998186Sgordon 120098186Sgordon if checkyesno backup_uses_rcs; then 120198186Sgordon _msg0="backup archive" 120298186Sgordon _msg1="update" 120398186Sgordon 120498186Sgordon # ensure that history file is not locked 120598186Sgordon if [ -f $_cur,v ]; then 120698186Sgordon rcs -q -u -U -M $_cur 120798186Sgordon fi 120898186Sgordon 120998186Sgordon # ensure after switching to rcs that the 121098186Sgordon # current backup is not lost 121198186Sgordon if [ -f $_cur ]; then 121298186Sgordon # no archive, or current newer than archive 121398186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 121498186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121598186Sgordon rcs -q -kb -U $_cur 121698186Sgordon co -q -f -u $_cur 121798186Sgordon fi 121898186Sgordon fi 121998186Sgordon 122098186Sgordon case $_action in 122198186Sgordon add|update) 122298186Sgordon cp -p $_file $_cur 122398186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 122498186Sgordon rcs -q -kb -U $_cur 122598186Sgordon co -q -f -u $_cur 122698186Sgordon chown root:wheel $_cur $_cur,v 122798186Sgordon ;; 122898186Sgordon remove) 122998186Sgordon cp /dev/null $_cur 123098186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 123198186Sgordon rcs -q -kb -U $_cur 123298186Sgordon chown root:wheel $_cur $_cur,v 123398186Sgordon rm $_cur 123498186Sgordon ;; 123598186Sgordon esac 123698186Sgordon else 123798186Sgordon case $_action in 123898186Sgordon add|update) 123998186Sgordon if [ -f $_cur ]; then 124098186Sgordon cp -p $_cur $_back 124198186Sgordon fi 124298186Sgordon cp -p $_file $_cur 124398186Sgordon chown root:wheel $_cur 124498186Sgordon ;; 124598186Sgordon remove) 124698186Sgordon mv -f $_cur $_back 124798186Sgordon ;; 124898186Sgordon esac 124998186Sgordon fi 125098186Sgordon} 1251119166Smtm 1252123344Smtm# make_symlink src link 1253123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1254123344Smtm# directory in which link is to be created does not exist 1255123344Smtm# a warning will be displayed and an error will be returned. 1256123344Smtm# Returns 0 on sucess, 1 otherwise. 1257119166Smtm# 1258123344Smtmmake_symlink() 1259119166Smtm{ 1260123344Smtm local src link linkdir _me 1261123344Smtm src="$1" 1262123344Smtm link="$2" 1263123344Smtm linkdir="`dirname $link`" 1264123344Smtm _me="make_symlink()" 1265119166Smtm 1266123344Smtm if [ -z "$src" -o -z "$link" ]; then 1267123344Smtm warn "$_me: requires two arguments." 1268119166Smtm return 1 1269119166Smtm fi 1270123344Smtm if [ ! -d "$linkdir" ]; then 1271160667Syar warn "$_me: the directory $linkdir does not exist." 1272119166Smtm return 1 1273119166Smtm fi 1274146490Sschweikh if ! ln -sf $src $link; then 1275123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1276119166Smtm return 1 1277119166Smtm fi 1278119166Smtm return 0 1279119166Smtm} 1280119166Smtm 1281119166Smtm# devfs_rulesets_from_file file 1282119166Smtm# Reads a set of devfs commands from file, and creates 1283119166Smtm# the specified rulesets with their rules. Returns non-zero 1284119166Smtm# if there was an error. 1285119166Smtm# 1286119166Smtmdevfs_rulesets_from_file() 1287119166Smtm{ 1288119166Smtm local file _err _me 1289119166Smtm file="$1" 1290119166Smtm _me="devfs_rulesets_from_file" 1291119166Smtm _err=0 1292119166Smtm 1293119166Smtm if [ -z "$file" ]; then 1294119166Smtm warn "$_me: you must specify a file" 1295119166Smtm return 1 1296119166Smtm fi 1297119166Smtm if [ ! -e "$file" ]; then 1298119166Smtm debug "$_me: no such file ($file)" 1299119166Smtm return 0 1300119166Smtm fi 1301119166Smtm debug "reading rulesets from file ($file)" 1302119166Smtm { while read line 1303119166Smtm do 1304119166Smtm case $line in 1305119166Smtm \#*) 1306119166Smtm continue 1307119166Smtm ;; 1308119166Smtm \[*\]*) 1309119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1310119166Smtm if [ -z "$rulenum" ]; then 1311119166Smtm warn "$_me: cannot extract rule number ($line)" 1312119166Smtm _err=1 1313119166Smtm break 1314119166Smtm fi 1315119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1316119166Smtm if [ -z "$rulename" ]; then 1317119166Smtm warn "$_me: cannot extract rule name ($line)" 1318119166Smtm _err=1 1319119166Smtm break; 1320119166Smtm fi 1321119166Smtm eval $rulename=\$rulenum 1322119166Smtm debug "found ruleset: $rulename=$rulenum" 1323146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1324119166Smtm _err=1 1325119166Smtm break 1326119166Smtm fi 1327119166Smtm ;; 1328119166Smtm *) 1329119166Smtm rulecmd="${line%%"\#*"}" 1330119166Smtm # evaluate the command incase it includes 1331119166Smtm # other rules 1332119166Smtm if [ -n "$rulecmd" ]; then 1333119166Smtm debug "adding rule ($rulecmd)" 1334119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1335119166Smtm then 1336119166Smtm _err=1 1337119166Smtm break 1338119166Smtm fi 1339119166Smtm fi 1340119166Smtm ;; 1341119166Smtm esac 1342119166Smtm if [ $_err -ne 0 ]; then 1343119166Smtm debug "error in $_me" 1344119166Smtm break 1345119166Smtm fi 1346119166Smtm done } < $file 1347119166Smtm return $_err 1348119166Smtm} 1349119166Smtm 1350119166Smtm# devfs_init_rulesets 1351119166Smtm# Initializes rulesets from configuration files. Returns 1352119166Smtm# non-zero if there was an error. 1353119166Smtm# 1354119166Smtmdevfs_init_rulesets() 1355119166Smtm{ 1356119166Smtm local file _me 1357119166Smtm _me="devfs_init_rulesets" 1358119166Smtm 1359119166Smtm # Go through this only once 1360119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1361119166Smtm debug "$_me: devfs rulesets already initialized" 1362119166Smtm return 1363119166Smtm fi 1364146490Sschweikh for file in $devfs_rulesets; do 1365119166Smtm devfs_rulesets_from_file $file || return 1 1366119166Smtm done 1367119166Smtm devfs_rulesets_init=1 1368119166Smtm debug "$_me: devfs rulesets initialized" 1369119166Smtm return 0 1370119166Smtm} 1371119166Smtm 1372119166Smtm# devfs_set_ruleset ruleset [dir] 1373151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1374119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1375119166Smtm# Returns non-zero if it could not set it successfully. 1376119166Smtm# 1377119166Smtmdevfs_set_ruleset() 1378119166Smtm{ 1379119166Smtm local devdir rs _me 1380119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1381119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1382119166Smtm _me="devfs_set_ruleset" 1383119166Smtm 1384119166Smtm if [ -z "$rs" ]; then 1385119166Smtm warn "$_me: you must specify a ruleset number" 1386119166Smtm return 1 1387119166Smtm fi 1388119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1389146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1390119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1391119166Smtm return 1 1392119166Smtm fi 1393119166Smtm return 0 1394119166Smtm} 1395119166Smtm 1396119166Smtm# devfs_apply_ruleset ruleset [dir] 1397119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1398119166Smtm# The ruleset argument must be a ruleset name as specified 1399119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1400119166Smtm# if it could not apply the ruleset. 1401119166Smtm# 1402119166Smtmdevfs_apply_ruleset() 1403119166Smtm{ 1404119166Smtm local devdir rs _me 1405119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1406119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1407119166Smtm _me="devfs_apply_ruleset" 1408119166Smtm 1409119166Smtm if [ -z "$rs" ]; then 1410119166Smtm warn "$_me: you must specify a ruleset" 1411119166Smtm return 1 1412119166Smtm fi 1413119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1414146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1415119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1416119166Smtm return 1 1417119166Smtm fi 1418119166Smtm return 0 1419119166Smtm} 1420119166Smtm 1421119166Smtm# devfs_domount dir [ruleset] 1422119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1423119166Smtm# on the mount-point. It must also be a ruleset name as specified 1424119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1425119166Smtm# 1426119166Smtmdevfs_domount() 1427119166Smtm{ 1428119166Smtm local devdir rs _me 1429119166Smtm devdir="$1" 1430119166Smtm [ -n "$2" ] && rs=$2 || rs= 1431119166Smtm _me="devfs_domount()" 1432119166Smtm 1433119166Smtm if [ -z "$devdir" ]; then 1434119166Smtm warn "$_me: you must specify a mount-point" 1435119166Smtm return 1 1436119166Smtm fi 1437119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1438146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1439119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1440119166Smtm return 1 1441119166Smtm fi 1442119166Smtm if [ -n "$rs" ]; then 1443119166Smtm devfs_init_rulesets 1444119166Smtm devfs_set_ruleset $rs $devdir 1445124797Scperciva devfs -m $devdir rule applyset 1446119166Smtm fi 1447119166Smtm return 0 1448119166Smtm} 1449119166Smtm 1450119166Smtm# devfs_mount_jail dir [ruleset] 1451119166Smtm# Mounts a devfs file system appropriate for jails 1452119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1453119166Smtm# it names will be used instead. If present, ruleset must 1454119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1455119166Smtm# This function returns non-zero if an error occurs. 1456119166Smtm# 1457119166Smtmdevfs_mount_jail() 1458119166Smtm{ 1459119166Smtm local jdev rs _me 1460119166Smtm jdev="$1" 1461119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1462119166Smtm _me="devfs_mount_jail" 1463119166Smtm 1464119166Smtm devfs_init_rulesets 1465146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1466119166Smtm warn "$_me: devfs was not mounted on $jdev" 1467119166Smtm return 1 1468119166Smtm fi 1469119166Smtm return 0 1470119166Smtm} 1471127345Sbrooks 1472127345Sbrooks# Provide a function for normalizing the mounting of memory 1473127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1474127345Sbrooks# as close as possible between 5-current and 4-stable. 1475127345Sbrooks# $1 = size 1476127345Sbrooks# $2 = mount point 1477137451Skeramida# $3 = (optional) extra mdmfs flags 1478146490Sschweikhmount_md() 1479146490Sschweikh{ 1480127345Sbrooks if [ -n "$3" ]; then 1481137451Skeramida flags="$3" 1482127345Sbrooks fi 1483149421Syar /sbin/mdmfs $flags -s $1 md $2 1484127345Sbrooks} 1485131550Scperciva 1486159828Syar# Code common to scripts that need to load a kernel module 1487159828Syar# if it isn't in the kernel yet. Syntax: 1488160666Syar# load_kld [-e regex] [-m module] file 1489159828Syar# where -e or -m chooses the way to check if the module 1490159828Syar# is already loaded: 1491160666Syar# regex is egrep'd in the output from `kldstat -v', 1492160666Syar# module is passed to `kldstat -m'. 1493160666Syar# The default way is as though `-m file' were specified. 1494159828Syarload_kld() 1495159828Syar{ 1496159828Syar local _loaded _mod _opt _re 1497159828Syar 1498159828Syar while getopts "e:m:" _opt; do 1499159828Syar case "$_opt" in 1500159828Syar e) _re="$OPTARG" ;; 1501159828Syar m) _mod="$OPTARG" ;; 1502160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1503159828Syar esac 1504159828Syar done 1505159828Syar shift $(($OPTIND - 1)) 1506160666Syar if [ $# -ne 1 ]; then 1507160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1508160666Syar fi 1509159828Syar _mod=${_mod:-$1} 1510159828Syar _loaded=false 1511159828Syar if [ -n "$_re" ]; then 1512159828Syar if kldstat -v | egrep -q -e "$_re"; then 1513159828Syar _loaded=true 1514159828Syar fi 1515159828Syar else 1516159828Syar if kldstat -q -m "$_mod"; then 1517159828Syar _loaded=true 1518159828Syar fi 1519159828Syar fi 1520159828Syar if ! $_loaded; then 1521159828Syar if ! kldload "$1"; then 1522159828Syar warn "Unable to load kernel module $1" 1523159828Syar return 1 1524160666Syar else 1525160666Syar info "$1 kernel module loaded." 1526159828Syar fi 1527160666Syar else 1528160666Syar debug "load_kld: $1 kernel module already loaded." 1529159828Syar fi 1530159828Syar return 0 1531159828Syar} 1532159828Syar 1533149049Spjd# ltr str src dst 1534149049Spjd# Change every $src in $str to $dst. 1535149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1536149049Spjd# awk(1). 1537149049Spjdltr() 1538149049Spjd{ 1539149049Spjd local _str _src _dst _out _com 1540149049Spjd _str=$1 1541149049Spjd _src=$2 1542149049Spjd _dst=$3 1543149049Spjd _out="" 1544149049Spjd 1545149049Spjd IFS=${_src} 1546149049Spjd for _com in ${_str}; do 1547149049Spjd if [ -z "${_out}" ]; then 1548149049Spjd _out="${_com}" 1549149049Spjd else 1550149049Spjd _out="${_out}${_dst}${_com}" 1551149049Spjd fi 1552149049Spjd done 1553149049Spjd echo "${_out}" 1554149049Spjd} 1555149049Spjd 1556149050Spjd# Creates a list of providers for GELI encryption. 1557149050Spjdgeli_make_list() 1558149050Spjd{ 1559149050Spjd local devices devices2 1560149050Spjd local provider mountpoint type options rest 1561149050Spjd 1562149050Spjd # Create list of GELI providers from fstab. 1563149050Spjd while read provider mountpoint type options rest ; do 1564155570Sflz case ":${options}" in 1565155570Sflz :*noauto*) 1566155570Sflz noauto=yes 1567155570Sflz ;; 1568155570Sflz *) 1569155570Sflz noauto=no 1570155570Sflz ;; 1571155570Sflz esac 1572155570Sflz 1573149050Spjd case ":${provider}" in 1574149050Spjd :#*) 1575149050Spjd continue 1576149050Spjd ;; 1577149050Spjd *.eli) 1578149050Spjd # Skip swap devices. 1579155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1580149050Spjd continue 1581149050Spjd fi 1582149050Spjd devices="${devices} ${provider}" 1583149050Spjd ;; 1584149050Spjd esac 1585149050Spjd done < /etc/fstab 1586149050Spjd 1587149050Spjd # Append providers from geli_devices. 1588149050Spjd devices="${devices} ${geli_devices}" 1589149050Spjd 1590149050Spjd for provider in ${devices}; do 1591149050Spjd provider=${provider%.eli} 1592149050Spjd provider=${provider#/dev/} 1593149050Spjd devices2="${devices2} ${provider}" 1594149050Spjd done 1595149050Spjd 1596149050Spjd echo ${devices2} 1597149050Spjd} 1598149050Spjd 1599153027Sdougb# Find scripts in local_startup directories that use the old syntax 1600153027Sdougb# 1601153027Sdougbfind_local_scripts_old () { 1602153027Sdougb zlist='' 1603153027Sdougb slist='' 1604153027Sdougb for dir in ${local_startup}; do 1605153027Sdougb if [ -d "${dir}" ]; then 1606153027Sdougb for file in ${dir}/[0-9]*.sh; do 1607153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1608153027Sdougb continue 1609153027Sdougb zlist="$zlist $file" 1610153027Sdougb done 1611153027Sdougb for file in ${dir}/[^0-9]*.sh; do 1612153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1613153027Sdougb continue 1614153027Sdougb slist="$slist $file" 1615153027Sdougb done 1616153027Sdougb fi 1617153027Sdougb done 1618153027Sdougb} 1619153027Sdougb 1620153027Sdougbfind_local_scripts_new () { 1621153027Sdougb local_rc='' 1622153027Sdougb for dir in ${local_startup}; do 1623153027Sdougb if [ -d "${dir}" ]; then 1624153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1625153027Sdougb case "$file" in 1626153027Sdougb *.sample) ;; 1627153027Sdougb *) if [ -x "$file" ]; then 1628153027Sdougb local_rc="${local_rc} ${file}" 1629153027Sdougb fi 1630153027Sdougb ;; 1631153027Sdougb esac 1632153027Sdougb done 1633153027Sdougb fi 1634153027Sdougb done 1635153027Sdougb} 1636153027Sdougb 1637165565Syar# check_required_{before|after} command 1638165565Syar# Check for things required by the command before and after its precmd, 1639165565Syar# respectively. The two separate functions are needed because some 1640165565Syar# conditions should prevent precmd from being run while other things 1641165565Syar# depend on precmd having already been run. 1642165565Syar# 1643165565Syarcheck_required_before() 1644165565Syar{ 1645165565Syar local _f 1646165565Syar 1647165565Syar case "$1" in 1648165565Syar start) 1649165565Syar for _f in $required_vars; do 1650165565Syar if ! checkyesno $_f; then 1651165565Syar warn "\$${_f} is not enabled." 1652165565Syar if [ -z "$rc_force" ]; then 1653165565Syar return 1 1654165565Syar fi 1655165565Syar fi 1656165565Syar done 1657165565Syar 1658165565Syar for _f in $required_dirs; do 1659165565Syar if [ ! -d "${_f}/." ]; then 1660165565Syar warn "${_f} is not a directory." 1661165565Syar if [ -z "$rc_force" ]; then 1662165565Syar return 1 1663165565Syar fi 1664165565Syar fi 1665165565Syar done 1666165565Syar 1667165565Syar for _f in $required_files; do 1668165565Syar if [ ! -r "${_f}" ]; then 1669165565Syar warn "${_f} is not readable." 1670165565Syar if [ -z "$rc_force" ]; then 1671165565Syar return 1 1672165565Syar fi 1673165565Syar fi 1674165565Syar done 1675165565Syar ;; 1676165565Syar esac 1677165565Syar 1678165565Syar return 0 1679165565Syar} 1680165565Syar 1681165565Syarcheck_required_after() 1682165565Syar{ 1683165565Syar local _f _args 1684165565Syar 1685165565Syar case "$1" in 1686165565Syar start) 1687165565Syar for _f in $required_modules; do 1688165565Syar case "${_f}" in 1689165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1690165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1691165565Syar *) _args="${_f}" ;; 1692165565Syar esac 1693165565Syar if ! load_kld ${_args}; then 1694165565Syar if [ -z "$rc_force" ]; then 1695165565Syar return 1 1696165565Syar fi 1697165565Syar fi 1698165565Syar done 1699165565Syar ;; 1700165565Syar esac 1701165565Syar 1702165565Syar return 0 1703165565Syar} 1704165565Syar 1705131550Scpercivafi 1706157841Sflz 1707197144Shrs# _echoonce var msg mode 1708197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1709197144Shrs# After doing echo, a string is set to ${$var}. 1710197144Shrs# 1711197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1712197144Shrs# 1713197144Shrs_echoonce() 1714197144Shrs{ 1715197144Shrs local _var _msg _mode 1716197144Shrs _var=`eval echo \\$$1` 1717197144Shrs _msg=$2 1718197144Shrs _mode=$3 1719197144Shrs 1720197144Shrs case $_mode in 1721197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1722197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1723197144Shrs esac 1724197144Shrs} 1725197144Shrs 1726157841Sflz_rc_subr_loaded=: 1727