rc.subr revision 220760
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 220760 2011-04-17 22:31:36Z dougb $ 378344Sobrien# 4157473Sflz# Copyright (c) 1997-2004 The NetBSD Foundation, Inc. 578344Sobrien# All rights reserved. 678344Sobrien# 778344Sobrien# This code is derived from software contributed to The NetBSD Foundation 878344Sobrien# by Luke Mewburn. 978344Sobrien# 1078344Sobrien# Redistribution and use in source and binary forms, with or without 1178344Sobrien# modification, are permitted provided that the following conditions 1278344Sobrien# are met: 1378344Sobrien# 1. Redistributions of source code must retain the above copyright 1478344Sobrien# notice, this list of conditions and the following disclaimer. 1578344Sobrien# 2. Redistributions in binary form must reproduce the above copyright 1678344Sobrien# notice, this list of conditions and the following disclaimer in the 1778344Sobrien# documentation and/or other materials provided with the distribution. 1878344Sobrien# 1978344Sobrien# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2078344Sobrien# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2178344Sobrien# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2278344Sobrien# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2378344Sobrien# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2478344Sobrien# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2578344Sobrien# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2678344Sobrien# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2778344Sobrien# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2878344Sobrien# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2978344Sobrien# POSSIBILITY OF SUCH DAMAGE. 3078344Sobrien# 3178344Sobrien# rc.subr 3278344Sobrien# functions used by various rc scripts 3378344Sobrien# 3478344Sobrien 35157473Sflz: ${rcvar_manpage:='rc.conf(5)'} 36169668Smtm: ${RC_PID:=$$}; export RC_PID 37157473Sflz 3878344Sobrien# 3998186Sgordon# Operating System dependent/independent variables 4098186Sgordon# 4198186Sgordon 42131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 43131550Scperciva 44131550Scperciva_rc_subr_loaded="YES" 45131550Scperciva 4698186SgordonSYSCTL="/sbin/sysctl" 4798186SgordonSYSCTL_N="${SYSCTL} -n" 48202988SemasteSYSCTL_W="${SYSCTL}" 49124832SmtmID="/usr/bin/id" 50124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 51161435SyarPS="/bin/ps -ww" 52161435SyarJID=`$PS -p $$ -o jid=` 5398186Sgordon 5498186Sgordon# 5578344Sobrien# functions 5678344Sobrien# --------- 5778344Sobrien 58197144Shrs# set_rcvar [var] [defval] [desc] 5978344Sobrien# 60197144Shrs# Echo or define a rc.conf(5) variable name. Global variable 61197144Shrs# $rcvars is used. 6298186Sgordon# 63197144Shrs# If no argument is specified, echo "${name}_enable". 64197144Shrs# 65197144Shrs# If only a var is specified, echo "${var}_enable". 66197144Shrs# 67197144Shrs# If var and defval are specified, the ${var} is defined as 68197144Shrs# rc.conf(5) variable and the default value is ${defvar}. An 69197144Shrs# optional argument $desc can also be specified to add a 70197144Shrs# description for that. 71197144Shrs# 7298186Sgordonset_rcvar() 7398186Sgordon{ 74197144Shrs case $# in 75197144Shrs 0) 76197144Shrs echo ${name}_enable 7798186Sgordon ;; 78197144Shrs 1) 79197144Shrs echo ${1}_enable 8098186Sgordon ;; 8198186Sgordon *) 82197144Shrs debug "rcvar_define: \$$1=$2 is added" \ 83197144Shrs " as a rc.conf(5) variable." 84197144Shrs 85197144Shrs local _var 86197144Shrs _var=$1 87197144Shrs rcvars="${rcvars# } $_var" 88197144Shrs eval ${_var}_defval=\"$2\" 89197144Shrs shift 2 90197144Shrs # encode multiple lines of _desc 91197144Shrs for l in "$@"; do 92197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 93197144Shrs done 94197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}\" 9598186Sgordon ;; 9698186Sgordon esac 9798186Sgordon} 9898186Sgordon 99197144Shrs# set_rcvar_obsolete oldvar [newvar] [msg] 100197144Shrs# Define obsolete variable. 101197144Shrs# Global variable $rcvars_obsolete is used. 10298186Sgordon# 103197144Shrsset_rcvar_obsolete() 104197144Shrs{ 105197144Shrs local _var 106197144Shrs _var=$1 107197144Shrs debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 108197144Shrs 109197144Shrs rcvars_obsolete="${rcvars_obsolete# } $1" 110197144Shrs eval ${1}_newvar=\"$2\" 111197144Shrs shift 2 112197144Shrs eval ${_var}_obsolete_msg=\"$*\" 113197144Shrs} 114197144Shrs 115197144Shrs# 11698186Sgordon# force_depend script 11798186Sgordon# Force a service to start. Intended for use by services 11898186Sgordon# to resolve dependency issues. It is assumed the caller 11998186Sgordon# has check to make sure this call is necessary 12098186Sgordon# $1 - filename of script, in /etc/rc.d, to run 12198186Sgordon# 12298186Sgordonforce_depend() 12398186Sgordon{ 12498186Sgordon _depend="$1" 12598186Sgordon 12698186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 127146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 12898186Sgordon warn "Unable to force ${_depend}. It may already be running." 12998186Sgordon return 1 13098186Sgordon fi 13198186Sgordon return 0 13298186Sgordon} 13398186Sgordon 13498186Sgordon# 13578344Sobrien# checkyesno var 13678344Sobrien# Test $1 variable, and warn if not set to YES or NO. 13778344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 13878344Sobrien# 13978344Sobriencheckyesno() 14078344Sobrien{ 14178344Sobrien eval _value=\$${1} 14298186Sgordon debug "checkyesno: $1 is set to $_value." 14378344Sobrien case $_value in 14478344Sobrien 14578344Sobrien # "yes", "true", "on", or "1" 14678344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 14778344Sobrien return 0 14878344Sobrien ;; 14978344Sobrien 15078344Sobrien # "no", "false", "off", or "0" 15178344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 15278344Sobrien return 1 15378344Sobrien ;; 15478344Sobrien *) 155157473Sflz warn "\$${1} is not set properly - see ${rcvar_manpage}." 15678344Sobrien return 1 15778344Sobrien ;; 15878344Sobrien esac 15978344Sobrien} 16078344Sobrien 161157473Sflz# 16298186Sgordon# reverse_list list 16398186Sgordon# print the list in reverse order 16478344Sobrien# 16598186Sgordonreverse_list() 16698186Sgordon{ 16798186Sgordon _revlist= 168126286Smtm for _revfile; do 16998186Sgordon _revlist="$_revfile $_revlist" 17098186Sgordon done 17198186Sgordon echo $_revlist 17298186Sgordon} 17398186Sgordon 174169668Smtm# stop_boot always 175169668Smtm# If booting directly to multiuser or $always is enabled, 176169668Smtm# send SIGTERM to the parent (/etc/rc) to abort the boot. 177169668Smtm# Otherwise just exit. 17878344Sobrien# 179169668Smtmstop_boot() 180169668Smtm{ 181169668Smtm local always 182169668Smtm 183178776Smaxim case $1 in 184178776Smaxim # "yes", "true", "on", or "1" 185178770Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 186169668Smtm always=true 187178770Smtm ;; 188178770Smtm *) 189169668Smtm always=false 190178770Smtm ;; 191178775Smaxim esac 192169668Smtm if [ "$autoboot" = yes -o "$always" = true ]; then 193169668Smtm echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 194169668Smtm kill -TERM ${RC_PID} 195169668Smtm fi 196169668Smtm exit 1 197169668Smtm} 198169668Smtm 199169668Smtm# 20098186Sgordon# mount_critical_filesystems type 20198186Sgordon# Go through the list of critical filesystems as provided in 20298186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 20398186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 20498186Sgordon# 20578344Sobrienmount_critical_filesystems() 20678344Sobrien{ 20798186Sgordon eval _fslist=\$critical_filesystems_${1} 20878344Sobrien for _fs in $_fslist; do 20978344Sobrien mount | ( 210126285Smtm _ismounted=false 21178344Sobrien while read what _on on _type type; do 21278344Sobrien if [ $on = $_fs ]; then 213126285Smtm _ismounted=true 21478344Sobrien fi 21578344Sobrien done 216126285Smtm if $_ismounted; then 217126285Smtm : 218126285Smtm else 21978344Sobrien mount $_fs >/dev/null 2>&1 22078344Sobrien fi 22198186Sgordon ) 22278344Sobrien done 22378344Sobrien} 22478344Sobrien 22578344Sobrien# 22698186Sgordon# check_pidfile pidfile procname [interpreter] 22798186Sgordon# Parses the first line of pidfile for a PID, and ensures 22878344Sobrien# that the process is running and matches procname. 22998186Sgordon# Prints the matching PID upon success, nothing otherwise. 23098186Sgordon# interpreter is optional; see _find_processes() for details. 23178344Sobrien# 23278344Sobriencheck_pidfile() 23378344Sobrien{ 23478344Sobrien _pidfile=$1 23578344Sobrien _procname=$2 23698186Sgordon _interpreter=$3 23778344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 23898186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 23978344Sobrien fi 24078344Sobrien if [ ! -f $_pidfile ]; then 241131061Smtm debug "pid file ($_pidfile): not readable." 24278344Sobrien return 24378344Sobrien fi 24478344Sobrien read _pid _junk < $_pidfile 24578344Sobrien if [ -z "$_pid" ]; then 246139949Skeramida debug "pid file ($_pidfile): no pid in file." 24778344Sobrien return 24878344Sobrien fi 24998186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 25078344Sobrien} 25178344Sobrien 25278344Sobrien# 25398186Sgordon# check_process procname [interpreter] 25478344Sobrien# Ensures that a process (or processes) named procname is running. 25598186Sgordon# Prints a list of matching PIDs. 25698186Sgordon# interpreter is optional; see _find_processes() for details. 25778344Sobrien# 25878344Sobriencheck_process() 25978344Sobrien{ 26078344Sobrien _procname=$1 26198186Sgordon _interpreter=$2 26278344Sobrien if [ -z "$_procname" ]; then 26398186Sgordon err 3 'USAGE: check_process procname [interpreter]' 26478344Sobrien fi 26598186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 26698186Sgordon} 26798186Sgordon 26898186Sgordon# 26998186Sgordon# _find_processes procname interpreter psargs 27098186Sgordon# Search for procname in the output of ps generated by psargs. 27198186Sgordon# Prints the PIDs of any matching processes, space separated. 27298186Sgordon# 27398186Sgordon# If interpreter == ".", check the following variations of procname 27498186Sgordon# against the first word of each command: 27598186Sgordon# procname 27698186Sgordon# `basename procname` 27798186Sgordon# `basename procname` + ":" 27898186Sgordon# "(" + `basename procname` + ")" 279155719Sceri# "[" + `basename procname` + "]" 28098186Sgordon# 28198186Sgordon# If interpreter != ".", read the first line of procname, remove the 28298186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 28398186Sgordon# match that against each command, either as is, or with extra words 284157841Sflz# at the end. As an alternative, to deal with interpreted daemons 285157841Sflz# using perl, the basename of the interpreter plus a colon is also 286157841Sflz# tried as the prefix to procname. 28798186Sgordon# 28898186Sgordon_find_processes() 28998186Sgordon{ 29098186Sgordon if [ $# -ne 3 ]; then 29198186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 29298186Sgordon fi 29398186Sgordon _procname=$1 29498186Sgordon _interpreter=$2 29598186Sgordon _psargs=$3 29698186Sgordon 29778344Sobrien _pref= 29898186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 299170282Syar _script=${_chroot}${_chroot:+"/"}$_procname 300170282Syar if [ -r $_script ]; then 301170282Syar read _interp < $_script # read interpreter name 302170282Syar case "$_interp" in 303170282Syar \#!*) 304170282Syar _interp=${_interp#\#!} # strip #! 305170282Syar set -- $_interp 306170282Syar case $1 in 307170282Syar */bin/env) 308170282Syar shift # drop env to get real name 309170282Syar ;; 310170282Syar esac 311170282Syar if [ $_interpreter != $1 ]; then 312170282Syar warn "\$command_interpreter $_interpreter != $1" 313170282Syar fi 314170282Syar ;; 315170282Syar *) 316170282Syar warn "no shebang line in $_script" 317170282Syar set -- $_interpreter 318170282Syar ;; 319170282Syar esac 320170282Syar else 321170282Syar warn "cannot read shebang line from $_script" 322170282Syar set -- $_interpreter 32378344Sobrien fi 32498186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 325157841Sflz _interpbn=${1##*/} 32698186Sgordon _fp_args='_argv' 32798186Sgordon _fp_match='case "$_argv" in 328157841Sflz ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 32998186Sgordon else # a normal daemon 33098186Sgordon _procnamebn=${_procname##*/} 33198186Sgordon _fp_args='_arg0 _argv' 33298186Sgordon _fp_match='case "$_arg0" in 333151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 33498186Sgordon fi 33598186Sgordon 336161435Syar _proccheck="\ 337161436Syar $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 338157657Sflz while read _npid _jid '"$_fp_args"'; do 339161436Syar '"$_fp_match"' 340157657Sflz if [ "$JID" -eq "$_jid" ]; 341157657Sflz then echo -n "$_pref$_npid"; 342157657Sflz _pref=" "; 343157657Sflz fi 34498186Sgordon ;; 34598186Sgordon esac 34698186Sgordon done' 34798186Sgordon 348114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 34998186Sgordon eval $_proccheck 35098186Sgordon} 35198186Sgordon 35298186Sgordon# 35398186Sgordon# wait_for_pids pid [pid ...] 35498186Sgordon# spins until none of the pids exist 35598186Sgordon# 35698186Sgordonwait_for_pids() 35798186Sgordon{ 358206248Sdougb local _list _prefix _nlist _j 359206248Sdougb 360126286Smtm _list="$@" 36198186Sgordon if [ -z "$_list" ]; then 36298186Sgordon return 36398186Sgordon fi 36498186Sgordon _prefix= 36598186Sgordon while true; do 36698186Sgordon _nlist=""; 36798186Sgordon for _j in $_list; do 36898186Sgordon if kill -0 $_j 2>/dev/null; then 36998186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 370206248Sdougb [ -n "$_prefix" ] && sleep 1 37198186Sgordon fi 37298186Sgordon done 37398186Sgordon if [ -z "$_nlist" ]; then 37498186Sgordon break 37578344Sobrien fi 37698186Sgordon _list=$_nlist 37798186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 37898186Sgordon _prefix=", " 379206248Sdougb pwait $_list 2>/dev/null 38078344Sobrien done 38198186Sgordon if [ -n "$_prefix" ]; then 38298186Sgordon echo "." 38398186Sgordon fi 38478344Sobrien} 38578344Sobrien 38678344Sobrien# 387220962Sdougb# check_startmsgs 388220962Sdougb# If rc_quiet is set (usually as a result of using faststart at 389220962Sdougb# boot time) check if rc_startmsgs is enabled. 390220962Sdougb# 391220962Sdougbcheck_startmsgs() 392220962Sdougb{ 393220962Sdougb if [ -n "$rc_quiet" ]; then 394220962Sdougb checkyesno rc_startmsgs 395220962Sdougb else 396220962Sdougb return 0 397220962Sdougb fi 398220962Sdougb} 399220962Sdougb 400220962Sdougb# 401220962Sdougb# run_rc_command argument 402220963Sdougb# Search for argument in the list of supported commands, which is: 403220963Sdougb# "start stop restart rcvar status poll ${extra_commands}" 404220963Sdougb# If there's a match, run ${argument}_cmd or the default method 405220963Sdougb# (see below). 406220962Sdougb# 407220962Sdougb# If argument has a given prefix, then change the operation as follows: 408220962Sdougb# Prefix Operation 409220962Sdougb# ------ --------- 410220963Sdougb# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 411220963Sdougb# force Set ${rcvar} to YES, and set rc_force=yes 412220962Sdougb# one Set ${rcvar} to YES 413220962Sdougb# quiet Don't output some diagnostics, and set rc_quiet=yes 414220962Sdougb# 415220962Sdougb# The following globals are used: 416220962Sdougb# 417220962Sdougb# Name Needed Purpose 418220962Sdougb# ---- ------ ------- 419220962Sdougb# name y Name of script. 420220962Sdougb# 421220962Sdougb# command n Full path to command. 422220962Sdougb# Not needed if ${rc_arg}_cmd is set for 423220962Sdougb# each keyword. 424220962Sdougb# 425220962Sdougb# command_args n Optional args/shell directives for command. 426220962Sdougb# 427220962Sdougb# command_interpreter n If not empty, command is interpreted, so 428220962Sdougb# call check_{pidfile,process}() appropriately. 429220962Sdougb# 430197947Sdougb# desc n Description of script. 431197947Sdougb# 432197947Sdougb# extra_commands n List of extra commands supported. 433197947Sdougb# 434197947Sdougb# pidfile n If set, use check_pidfile $pidfile $command, 435197947Sdougb# otherwise use check_process $command. 436197947Sdougb# In either case, only check if $command is set. 437197947Sdougb# 438197947Sdougb# procname n Process name to check for instead of $command. 439197947Sdougb# 440197947Sdougb# rcvar n This is checked with checkyesno to determine 441197947Sdougb# if the action should be run. 442197947Sdougb# 443197947Sdougb# ${name}_program n Full path to command. 44498186Sgordon# Meant to be used in /etc/rc.conf to override 44598186Sgordon# ${command}. 44698186Sgordon# 44798186Sgordon# ${name}_chroot n Directory to chroot to before running ${command} 44898186Sgordon# Requires /usr to be mounted. 44978344Sobrien# 45098186Sgordon# ${name}_chdir n Directory to cd to before running ${command} 45198186Sgordon# (if not using ${name}_chroot). 45278344Sobrien# 453175676Smtm# ${name}_flags n Arguments to call ${command} with. 45498186Sgordon# NOTE: $flags from the parent environment 455126303Smtm# can be used to override this. 456175676Smtm# 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 46098186Sgordon# using ${name}_chroot. 46198186Sgordon# Requires /usr to be mounted. 46278344Sobrien# 46378344Sobrien# ${name}_group n Group to run chrooted ${command} as. 46478344Sobrien# Requires /usr to be mounted. 46598186Sgordon# 46678344Sobrien# ${name}_groups n Comma separated list of supplementary groups 46778344Sobrien# to run the chrooted ${command} with. 46878344Sobrien# Requires /usr to be mounted. 46978344Sobrien# 47098186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 47198186Sgordon# Otherwise, use default command (see below) 47298186Sgordon# 473197144Shrs# ${rc_arg}_precmd n If set, run just before performing the 474197144Shrs# ${rc_arg}_cmd method in the default 47578344Sobrien# operation (i.e, after checking for required 47678344Sobrien# bits and process (non)existence). 47798186Sgordon# If this completes with a non-zero exit code, 47898186Sgordon# don't run ${rc_arg}_cmd. 47998186Sgordon# 48078344Sobrien# ${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. 48378344Sobrien# 48478344Sobrien# required_dirs n If set, check for the existence of the given 48578344Sobrien# directories before running a (re)start command. 486157653Sflz# 487157653Sflz# required_files n If set, check for the readability of the given 488157653Sflz# files before running a (re)start command. 489157653Sflz# 49078344Sobrien# required_modules n If set, ensure the given kernel modules are 49198186Sgordon# loaded before running a (re)start command. 49278344Sobrien# The check and possible loads are actually 49378344Sobrien# done after start_precmd so that the modules 49478344Sobrien# aren't loaded in vain, should the precmd 49578344Sobrien# return a non-zero status to indicate a error. 49678344Sobrien# If a word in the list looks like "foo:bar", 49778344Sobrien# "foo" is the KLD file name and "bar" is the 49878344Sobrien# module name. If a word looks like "foo~bar", 49978344Sobrien# "foo" is the KLD file name and "bar" is a 50078344Sobrien# egrep(1) pattern matching the module name. 50178344Sobrien# Otherwise the module name is assumed to be 50278344Sobrien# the same as the KLD file name, which is most 50378344Sobrien# common. See load_kld(). 50498186Sgordon# 50578344Sobrien# required_vars n If set, perform checkyesno on each of the 50678344Sobrien# listed variables before running the default 50798186Sgordon# (re)start command. 50878344Sobrien# 50998186Sgordon# Default behaviour for a given argument, if no override method is 51098186Sgordon# provided: 51198186Sgordon# 51278344Sobrien# Argument Default behaviour 51398186Sgordon# -------- ----------------- 51478344Sobrien# start if !running && checkyesno ${rcvar} 51578344Sobrien# ${command} 51698186Sgordon# 51798186Sgordon# stop if ${pidfile} 51898186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 51998186Sgordon# else 52078344Sobrien# rc_pid=$(check_process $command) 52198186Sgordon# kill $sig_stop $rc_pid 52278344Sobrien# wait_for_pids $rc_pid 52398186Sgordon# ($sig_stop defaults to TERM.) 52498186Sgordon# 52598186Sgordon# reload Similar to stop, except use $sig_reload instead, 52698186Sgordon# and doesn't wait_for_pids. 52778344Sobrien# $sig_reload defaults to HUP. 528165565Syar# Note that `reload' isn't provided by default, 52978344Sobrien# it should be enabled via $extra_commands. 53078344Sobrien# 531165565Syar# restart Run `stop' then `start'. 53278344Sobrien# 533165565Syar# status Show if ${command} is running, etc. 534165565Syar# 535165565Syar# poll Wait for ${command} to exit. 536165565Syar# 537165565Syar# rcvar Display what rc.conf variable is used (if any). 538165565Syar# 539165565Syar# Variables available to methods, and after run_rc_command() has 540165565Syar# completed: 541165565Syar# 542165565Syar# Variable Purpose 543165565Syar# -------- ------- 544165565Syar# rc_arg Argument to command, after fast/force/one processing 545165565Syar# performed 546165565Syar# 547165565Syar# rc_flags Flags to start the default command with. 54878344Sobrien# Defaults to ${name}_flags, unless overridden 54978344Sobrien# by $flags from the environment. 55078344Sobrien# This variable may be changed by the precmd method. 55178344Sobrien# 55298186Sgordon# rc_pid PID of command (if appropriate) 55398186Sgordon# 55478344Sobrien# rc_fast Not empty if "fast" was provided (q.v.) 55598186Sgordon# 55698186Sgordon# rc_force Not empty if "force" was provided (q.v.) 55778344Sobrien# 55878344Sobrien# rc_quiet Not empty if "quiet" was provided 55978344Sobrien# 56078344Sobrien# 56198186Sgordonrun_rc_command() 56278344Sobrien{ 56398186Sgordon _return=0 56498186Sgordon rc_arg=$1 56598186Sgordon if [ -z "$name" ]; then 56698186Sgordon err 3 'run_rc_command: $name is not set.' 56778344Sobrien fi 56898186Sgordon 56998186Sgordon # Don't repeat the first argument when passing additional command- 57078344Sobrien # line arguments to the command subroutines. 571151685Syar # 572151685Syar shift 1 57378344Sobrien rc_extra_args="$*" 57478344Sobrien 57578344Sobrien _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 58098186Sgordon rc_quiet=yes 58198186Sgordon ;; 58298186Sgordon force*) # "force" prefix; always run 58398186Sgordon rc_force=yes 58498186Sgordon _rc_prefix=force 58598186Sgordon rc_arg=${rc_arg#${_rc_prefix}} 58698186Sgordon if [ -n "${rcvar}" ]; then 587126303Smtm eval ${rcvar}=YES 58898186Sgordon fi 58998186Sgordon ;; 59098186Sgordon one*) # "one" prefix; set ${rcvar}=yes 59198186Sgordon _rc_prefix=one 59298186Sgordon rc_arg=${rc_arg#${_rc_prefix}} 59398186Sgordon if [ -n "${rcvar}" ]; then 59498186Sgordon eval ${rcvar}=YES 59598186Sgordon fi 59698186Sgordon ;; 59798186Sgordon quiet*) # "quiet" prefix; omit some messages 59898186Sgordon _rc_prefix=quiet 59998186Sgordon rc_arg=${rc_arg#${_rc_prefix}} 60098186Sgordon rc_quiet=yes 601175676Smtm ;; 60298186Sgordon esac 603175676Smtm 60478344Sobrien eval _override_command=\$${name}_program 60578344Sobrien command=${_override_command:-$command} 606116097Smtm 60798186Sgordon _keywords="start stop restart rcvar $extra_commands" 60878344Sobrien rc_pid= 60998186Sgordon _pidcmd= 61078344Sobrien _procname=${procname:-${command}} 61178344Sobrien 612132892Smtm # setup pid check command 613132892Smtm if [ -n "$_procname" ]; then 614132892Smtm if [ -n "$pidfile" ]; then 615132892Smtm _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 616132892Smtm else 617132892Smtm _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 618126303Smtm fi 61998186Sgordon if [ -n "$_pidcmd" ]; then 62078344Sobrien _keywords="${_keywords} status poll" 62198186Sgordon fi 62298186Sgordon fi 623175676Smtm 62478344Sobrien if [ -z "$rc_arg" ]; then 625198216Sed rc_usage $_keywords 62698186Sgordon fi 627126303Smtm 628126303Smtm if [ -n "$flags" ]; then # allow override from environment 62978344Sobrien rc_flags=$flags 63078344Sobrien else 63178344Sobrien eval rc_flags=\$${name}_flags 63278344Sobrien fi 633126303Smtm eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 634126303Smtm _nice=\$${name}_nice _user=\$${name}_user \ 635126303Smtm _group=\$${name}_group _groups=\$${name}_groups 636126303Smtm 637126303Smtm if [ -n "$_user" ]; then # unset $_user if running as that user 638126303Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 639126303Smtm unset _user 640175676Smtm fi 641175676Smtm fi 642175676Smtm 643175676Smtm eval $_pidcmd # determine the pid if necessary 644175676Smtm 64578344Sobrien for _elem in $_keywords; do 64678344Sobrien if [ "$_elem" != "$rc_arg" ]; then 647161530Sflz continue 648198162Sdougb fi 649161530Sflz # if ${rcvar} is set, $1 is not "rcvar" 65078344Sobrien # and ${rc_pid} is not set, then run 65198186Sgordon # checkyesno ${rcvar} 65278344Sobrien # and return if that failed 65398186Sgordon # 65498186Sgordon if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 655131135Smtm [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 656131135Smtm if ! checkyesno ${rcvar}; then 65778344Sobrien if [ -n "${rc_quiet}" ]; then 65898186Sgordon return 0 65998186Sgordon fi 66098186Sgordon echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 66178344Sobrien echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 66278344Sobrien echo "instead of '${rc_arg}'." 66398186Sgordon return 0 66478344Sobrien fi 66578344Sobrien fi 66678344Sobrien 66798186Sgordon # if there's a custom ${XXX_cmd}, 668150796Syar # run that instead of the default 66978344Sobrien # 67078344Sobrien eval _cmd=\$${rc_arg}_cmd \ 67178344Sobrien _precmd=\$${rc_arg}_precmd \ 67298186Sgordon _postcmd=\$${rc_arg}_postcmd 67378344Sobrien 67498186Sgordon if [ -n "$_cmd" ]; then 67578344Sobrien _run_rc_precmd || return 1 67698186Sgordon _run_rc_doit "$_cmd $rc_extra_args" || return 1 67798186Sgordon _run_rc_postcmd 67898186Sgordon return $_return 67978344Sobrien fi 68098186Sgordon 681124832Smtm case "$rc_arg" in # default operations... 68298186Sgordon 68398186Sgordon status) 68498186Sgordon _run_rc_precmd || return 1 68598186Sgordon if [ -n "$rc_pid" ]; then 686179870Smtm echo "${name} is running as pid $rc_pid." 687179870Smtm else 688179870Smtm echo "${name} is not running." 689179870Smtm return 1 690179870Smtm fi 691179870Smtm _run_rc_postcmd 692206686Sdougb ;; 693206686Sdougb 69478344Sobrien start) 69578344Sobrien if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 69678344Sobrien echo 1>&2 "${name} already running? (pid=$rc_pid)." 697220760Sdougb return 1 698220760Sdougb fi 699179870Smtm 700179870Smtm if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 701179870Smtm warn "run_rc_command: cannot run $command" 702179870Smtm return 1 703179870Smtm fi 704179870Smtm 705179870Smtm if ! _run_rc_precmd; then 706175676Smtm warn "failed precmd routine for ${name}" 707175676Smtm return 1 70878344Sobrien fi 70978344Sobrien 71078344Sobrien # setup the full command to run 71178344Sobrien # 71278344Sobrien check_startmsgs && echo "Starting ${name}." 713165565Syar if [ -n "$_chroot" ]; then 714165565Syar _doit="\ 715165565Syar${_nice:+nice -n $_nice }\ 716165565Syarchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 71778344Sobrien$_chroot $command $rc_flags $command_args" 718165565Syar else 719165565Syar _doit="\ 720165565Syar${_chdir:+cd $_chdir && }\ 721116097Smtm$command $rc_flags $command_args" 72278344Sobrien if [ -n "$_user" ]; then 72378344Sobrien _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72498186Sgordon fi 72578344Sobrien if [ -n "$_nice" ]; then 72678344Sobrien if [ -z "$_user" ]; then 727165565Syar _doit="sh -c \"$_doit\"" 72898186Sgordon fi 72998186Sgordon _doit="nice -n $_nice $_doit" 73078344Sobrien fi 73178344Sobrien fi 73278344Sobrien 73378344Sobrien # run the full command 734165565Syar # 73578344Sobrien if ! _run_rc_doit "$_doit"; then 73678344Sobrien warn "failed to start ${name}" 73778344Sobrien return 1 738131135Smtm fi 739157473Sflz 740153152Syar # finally, run postcmd 74178344Sobrien # 74278344Sobrien _run_rc_postcmd 743167413Syar ;; 744160667Syar 745153152Syar stop) 74678344Sobrien if [ -z "$rc_pid" ]; then 74778344Sobrien [ -n "$rc_fast" ] && return 0 748179946Smtm _run_rc_notrunning 749179946Smtm return 1 750179946Smtm fi 751179946Smtm 75278344Sobrien _run_rc_precmd || return 1 753160668Syar 75478344Sobrien # send the signal to stop 755197947Sdougb # 75678344Sobrien echo "Stopping ${name}." 75778344Sobrien _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 75878344Sobrien _run_rc_doit "$_doit" || return 1 75978344Sobrien 76098186Sgordon # wait for the command to exit, 76178344Sobrien # and run postcmd. 76278344Sobrien wait_for_pids $rc_pid 763161396Syar 76498186Sgordon _run_rc_postcmd 76598186Sgordon ;; 76698186Sgordon 76798186Sgordon reload) 768161396Syar if [ -z "$rc_pid" ]; then 769161396Syar _run_rc_notrunning 770161396Syar return 1 771201036Sdougb fi 772161396Syar 773161396Syar _run_rc_precmd || return 1 77478344Sobrien 77598186Sgordon _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 776165565Syar _run_rc_doit "$_doit" || return 1 77798186Sgordon 778179946Smtm _run_rc_postcmd 779179946Smtm ;; 780179946Smtm 781179946Smtm restart) 78298186Sgordon # prevent restart being called more 78398186Sgordon # than once by any given script 78498186Sgordon # 785165565Syar if ${_rc_restart_done:-false}; then 78678344Sobrien return 0 78778344Sobrien fi 78878344Sobrien _rc_restart_done=true 78998186Sgordon 790153152Syar _run_rc_precmd || return 1 791165565Syar 792153152Syar # run those in a subshell to keep global variables 79378344Sobrien ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 79478344Sobrien ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 795165565Syar _return=$? 79698186Sgordon [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 79798186Sgordon 79898186Sgordon _run_rc_postcmd 79978344Sobrien ;; 800165565Syar 801165565Syar poll) 80298186Sgordon _run_rc_precmd || return 1 80398186Sgordon if [ -n "$rc_pid" ]; then 80498186Sgordon wait_for_pids $rc_pid 80598186Sgordon fi 806165565Syar _run_rc_postcmd 807165565Syar ;; 80878344Sobrien 80978344Sobrien rcvar) 81078344Sobrien echo -n "# $name" 81198186Sgordon if [ -n "$desc" ]; then 812165565Syar echo " : $desc" 813153152Syar else 81478344Sobrien echo "" 815165565Syar fi 816165565Syar echo "#" 817165565Syar # Get unique vars in $rcvar $rcvars 818165565Syar for _v in $rcvar $rcvars; do 819165565Syar case $v in 820165565Syar $_v\ *|\ *$_v|*\ $_v\ *) ;; 821165565Syar *) v="${v# } $_v" ;; 82278344Sobrien esac 82378344Sobrien done 82478344Sobrien 82578344Sobrien # Display variables. 82678344Sobrien for _v in $v; do 82778344Sobrien if [ -z "$_v" ]; then 828126285Smtm continue 82978344Sobrien fi 83078344Sobrien 831126285Smtm eval _desc=\$${_v}_desc 83278344Sobrien eval _defval=\$${_v}_defval 833165565Syar _h="-" 834165565Syar 835165565Syar eval echo \"$_v=\\\"\$$_v\\\"\" 836152519Syar # decode multiple lines of _desc 837165565Syar while [ -n "$_desc" ]; do 838165565Syar case $_desc in 839165565Syar *^^*) 84098186Sgordon echo "# $_h ${_desc%%^^*}" 841165565Syar _desc=${_desc#*^^} 84278344Sobrien _h=" " 84378344Sobrien ;; 84498186Sgordon *) 845165565Syar echo "# $_h ${_desc}" 84698186Sgordon break 84798186Sgordon ;; 84898186Sgordon esac 849165565Syar done 85098186Sgordon echo "# (default: \"$_defval\")" 85198186Sgordon done 85278344Sobrien echo "" 853197144Shrs ;; 854197144Shrs 855197144Shrs *) 856197144Shrs rc_usage $_keywords 857197144Shrs ;; 858197144Shrs 859197144Shrs esac 860197144Shrs return $_return 861197144Shrs done 862197144Shrs 863197144Shrs echo 1>&2 "$0: unknown directive '$rc_arg'." 864197144Shrs rc_usage $_keywords 865197144Shrs # not reached 866197144Shrs} 867197144Shrs 868197144Shrs# 869197144Shrs# Helper functions for run_rc_command: common code. 870197144Shrs# They use such global variables besides the exported rc_* ones: 871197144Shrs# 87278344Sobrien# name R/W 873197144Shrs# ------------------ 874197144Shrs# _precmd R 875197144Shrs# _postcmd R 876197144Shrs# _return W 877197144Shrs# 878197144Shrs_run_rc_precmd() 879197144Shrs{ 880197144Shrs check_required_before "$rc_arg" || return 1 881197144Shrs 882197144Shrs if [ -n "$_precmd" ]; then 883197144Shrs debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 884197144Shrs eval "$_precmd $rc_extra_args" 885197144Shrs _return=$? 886197144Shrs 887197144Shrs # If precmd failed and force isn't set, request exit. 888197144Shrs if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 889197144Shrs return 1 890197144Shrs fi 891197144Shrs fi 892197144Shrs 893197144Shrs check_required_after "$rc_arg" || return 1 894197144Shrs 895197144Shrs return 0 89678344Sobrien} 89778344Sobrien 89878344Sobrien_run_rc_postcmd() 899150796Syar{ 90078344Sobrien if [ -n "$_postcmd" ]; then 90178344Sobrien debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 90278344Sobrien eval "$_postcmd $rc_extra_args" 903116097Smtm _return=$? 90478344Sobrien fi 90578344Sobrien return 0 90698186Sgordon} 907150796Syar 908153152Syar_run_rc_doit() 90978344Sobrien{ 91078344Sobrien debug "run_rc_command: doit: $*" 91178344Sobrien eval "$@" 912165565Syar _return=$? 913165565Syar 914165565Syar # If command failed and force isn't set, request exit. 915165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 916165565Syar return 1 917165565Syar fi 918165565Syar 919165565Syar return 0 920165565Syar} 921165565Syar 922165565Syar_run_rc_notrunning() 923165565Syar{ 924165565Syar local _pidmsg 925165565Syar 926165565Syar if [ -n "$pidfile" ]; then 927165565Syar _pidmsg=" (check $pidfile)." 928165565Syar else 929165565Syar _pidmsg= 930165565Syar fi 931165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 932165565Syar} 933165565Syar 934165565Syar_run_rc_killcmd() 935165565Syar{ 936165565Syar local _cmd 937165565Syar 938165565Syar _cmd="kill -$1 $rc_pid" 939165565Syar if [ -n "$_user" ]; then 940165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 941165565Syar fi 942165565Syar echo "$_cmd" 943165565Syar} 944165565Syar 945165565Syar# 946165565Syar# run_rc_script file arg 947165565Syar# Start the script `file' with `arg', and correctly handle the 948165565Syar# return value from the script. 949165565Syar# If `file' ends with `.sh', it's sourced into the current environment 950165565Syar# when $rc_fast_and_loose is set, otherwise it is run as a child process. 951165565Syar# If `file' appears to be a backup or scratch file, ignore it. 952165565Syar# Otherwise if it is executable run as a child process. 953165565Syar# 954165565Syarrun_rc_script() 955165565Syar{ 956165565Syar _file=$1 957165565Syar _arg=$2 958165565Syar if [ -z "$_file" -o -z "$_arg" ]; then 959165565Syar err 3 'USAGE: run_rc_script file arg' 960165565Syar fi 961165565Syar 962165565Syar unset name command command_args command_interpreter \ 963165565Syar extra_commands pidfile procname \ 964165565Syar rcvar rcvars rcvars_obsolete required_dirs required_files \ 965165565Syar required_vars 966165565Syar eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 967165565Syar 968165565Syar case "$_file" in 969165565Syar /etc/rc.d/*.sh) # no longer allowed in the base 970165565Syar warn "Ignoring old-style startup script $_file" 971165565Syar ;; 972165565Syar *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 973165565Syar warn "Ignoring scratch file $_file" 974165565Syar ;; 975165565Syar *) # run in subshell 976165565Syar if [ -x $_file ]; then 977165565Syar if [ -n "$rc_fast_and_loose" ]; then 978165565Syar set $_arg; . $_file 979165565Syar else 980165565Syar ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 981165565Syar trap "echo Script $_file interrupted; exit 1" 2 982165565Syar trap "echo Script $_file running" 29 983165565Syar set $_arg; . $_file ) 984165565Syar fi 985165565Syar fi 986165565Syar ;; 987165565Syar esac 988165565Syar} 98978344Sobrien 99078344Sobrien# 991201038Sdougb# load_rc_config name 992201038Sdougb# Source in the configuration file for a given name. 993201038Sdougb# 994201038Sdougbload_rc_config() 995201038Sdougb{ 99678344Sobrien local _name _var _defval _v _msg _new 99778344Sobrien _name=$1 99878344Sobrien if [ -z "$_name" ]; then 99978344Sobrien err 3 'USAGE: load_rc_config name' 100078344Sobrien fi 100178344Sobrien 100278344Sobrien if ${_rc_conf_loaded:-false}; then 100378344Sobrien : 100478344Sobrien else 100598186Sgordon if [ -r /etc/defaults/rc.conf ]; then 100698186Sgordon debug "Sourcing /etc/defaults/rc.conf" 1007197144Shrs . /etc/defaults/rc.conf 1008197144Shrs source_rc_confs 100998186Sgordon elif [ -r /etc/rc.conf ]; then 101098186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 101178344Sobrien . /etc/rc.conf 1012193118Sdougb fi 1013193118Sdougb _rc_conf_loaded=true 101478344Sobrien fi 1015153105Sdougb if [ -f /etc/rc.conf.d/"$_name" ]; then 101698186Sgordon debug "Sourcing /etc/rc.conf.d/${_name}" 101798186Sgordon . /etc/rc.conf.d/"$_name" 101878344Sobrien fi 101998186Sgordon 102098186Sgordon # Old variable name support -- Remove before 9.0-RELEASE 1021146490Sschweikh # 102298186Sgordon [ -n "$enable_quotas" ] && err 1 "enable_quotas is deprecated, use quota_enable" 1023130161Smtm 1024130161Smtm # Set defaults if defined. 1025184317Sthompsa for _var in $rcvar $rcvars; do 1026146490Sschweikh _defval=`eval echo "\\\$${_var}_defval"` 102798186Sgordon if [ -n "$_defval" ]; then 102898186Sgordon eval : \${$_var:=\$${_var}_defval} 102978344Sobrien fi 103078344Sobrien done 103178344Sobrien 103278344Sobrien # check obsolete rc.conf variables 103378344Sobrien for _var in $rcvars_obsolete; do 1034157653Sflz _v=`eval echo \\$$_var` 1035157653Sflz _msg=`eval echo \\$${_var}_obsolete_msg` 103678344Sobrien _new=`eval echo \\$${_var}_newvar` 103778344Sobrien case $_v in 103878344Sobrien "") 1039197144Shrs ;; 1040157653Sflz *) 1041157653Sflz if [ -z "$_new" ]; then 1042157653Sflz _msg="Ignored." 104378344Sobrien else 104478344Sobrien eval $_new=\"\$$_var\" 1045219612Sdougb if [ -z "$_msg" ]; then 1046219612Sdougb _msg="Use \$$_new instead." 1047219612Sdougb fi 104898186Sgordon fi 104998186Sgordon warn "\$$_var is obsolete. $_msg" 105098186Sgordon ;; 105198186Sgordon esac 105298186Sgordon done 105398186Sgordon} 105498186Sgordon 105598186Sgordon# 1056126285Smtm# load_rc_config_var name var 105798186Sgordon# Read the rc.conf(5) var for name and set in the 1058161530Sflz# current shell, using load_rc_config in a subshell to prevent 1059157653Sflz# unwanted side effects from other variable assignments. 1060161530Sflz# 1061157653Sflzload_rc_config_var() 1062179872Smtm{ 1063197144Shrs if [ $# -ne 2 ]; then 1064197144Shrs err 3 'USAGE: load_rc_config_var name var' 1065223227Sjilles fi 1066197144Shrs eval $(eval '( 1067197144Shrs load_rc_config '$1' >/dev/null; 1068197144Shrs if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1069197144Shrs echo '$2'=\'\''${'$2'}\'\''; 1070197144Shrs fi 1071197144Shrs )' ) 1072197144Shrs} 1073223227Sjilles 1074223227Sjilles# 1075223227Sjilles# rc_usage commands 1076197144Shrs# Print a usage string for $0, with `commands' being a list of 1077197144Shrs# valid commands. 1078197144Shrs# 1079197144Shrsrc_usage() 1080197144Shrs{ 1081197144Shrs echo -n 1>&2 "Usage: $0 [fast|force|one](" 1082197144Shrs 1083197144Shrs _sep= 1084197144Shrs for _elem; do 1085197144Shrs echo -n 1>&2 "$_sep$_elem" 1086197144Shrs _sep="|" 1087197144Shrs done 1088197144Shrs echo 1>&2 ")" 1089197144Shrs exit 1 1090197144Shrs} 1091197144Shrs 109278344Sobrien# 1093201036Sdougb# err exitval message 1094157473Sflz# Display message to stderr and log to the syslog, and exit with exitval. 1095157653Sflz# 1096157653Sflzerr() 1097157473Sflz{ 1098157473Sflz exitval=$1 1099157473Sflz shift 1100157473Sflz 1101157473Sflz if [ -x /usr/bin/logger ]; then 1102157473Sflz logger "$0: ERROR: $*" 1103157653Sflz fi 1104157473Sflz echo 1>&2 "$0: ERROR: $*" 1105157473Sflz exit $exitval 1106157473Sflz} 1107157473Sflz 1108157473Sflz# 1109157473Sflz# warn message 1110157473Sflz# Display message to stderr and log to the syslog. 1111157473Sflz# 111278344Sobrienwarn() 111378344Sobrien{ 111478344Sobrien if [ -x /usr/bin/logger ]; then 111578344Sobrien logger "$0: WARNING: $*" 111678344Sobrien fi 111778344Sobrien echo 1>&2 "$0: WARNING: $*" 111878344Sobrien} 111978344Sobrien 1120126303Smtm# 112178344Sobrien# info message 112278344Sobrien# Display informational message to stdout and log to syslog. 1123126286Smtm# 112478344Sobrieninfo() 112578344Sobrien{ 112678344Sobrien case ${rc_info} in 112778344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 112878344Sobrien if [ -x /usr/bin/logger ]; then 112978344Sobrien logger "$0: INFO: $*" 113078344Sobrien fi 113178344Sobrien echo "$0: INFO: $*" 113278344Sobrien ;; 113378344Sobrien esac 113478344Sobrien} 113578344Sobrien 113678344Sobrien# 113778344Sobrien# debug message 113878344Sobrien# If debugging is enabled in rc.conf output message to stderr. 113978344Sobrien# BEWARE that you don't call any subroutine that itself calls this 1140106643Sgordon# function. 1141106643Sgordon# 1142106643Sgordondebug() 1143106643Sgordon{ 114478344Sobrien case ${rc_debug} in 114578344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 114678344Sobrien if [ -x /usr/bin/logger ]; then 114778344Sobrien logger "$0: DEBUG: $*" 114878344Sobrien fi 114978344Sobrien echo 1>&2 "$0: DEBUG: $*" 115078344Sobrien ;; 115178344Sobrien esac 115278344Sobrien} 1153106643Sgordon 1154106643Sgordon# 1155106643Sgordon# backup_file action file cur backup 1156106643Sgordon# Make a backup copy of `file' into `cur', and save the previous 115778344Sobrien# version of `cur' as `backup' or use rcs for archiving. 115898186Sgordon# 115998186Sgordon# This routine checks the value of the backup_uses_rcs variable, 116098186Sgordon# which can be either YES or NO. 116198186Sgordon# 116298186Sgordon# The `action' keyword can be one of the following: 116398186Sgordon# 116498186Sgordon# add `file' is now being backed up (and is possibly 1165119170Smtm# being reentered into the backups system). `cur' 1166119170Smtm# is created and RCS files, if necessary, are 1167119170Smtm# created as well. 1168119170Smtm# 1169119170Smtm# update `file' has changed and needs to be backed up. 1170119170Smtm# If `cur' exists, it is copied to to `back' or 1171119170Smtm# checked into RCS (if the repository file is old), 1172119170Smtm# and then `file' is copied to `cur'. Another RCS 117398186Sgordon# check in done here if RCS is being used. 117498186Sgordon# 117598186Sgordon# remove `file' is no longer being tracked by the backups 117698186Sgordon# system. If RCS is not being used, `cur' is moved 1177106643Sgordon# to `back', otherwise an empty file is checked in, 117898186Sgordon# and then `cur' is removed. 117998186Sgordon# 118098186Sgordon# 118198186Sgordonbackup_file() 118298186Sgordon{ 118398186Sgordon _action=$1 118498186Sgordon _file=$2 1185106700Sgordon _cur=$3 1186162947Syar _back=$4 1187106700Sgordon 1188146490Sschweikh if checkyesno backup_uses_rcs; then 118998186Sgordon _msg0="backup archive" 119098186Sgordon _msg1="update" 119198186Sgordon 119298186Sgordon # ensure that history file is not locked 119398186Sgordon if [ -f $_cur,v ]; then 119498186Sgordon rcs -q -u -U -M $_cur 119598186Sgordon fi 119698186Sgordon 119798186Sgordon # ensure after switching to rcs that the 119898186Sgordon # current backup is not lost 119998186Sgordon if [ -f $_cur ]; then 120098186Sgordon # no archive, or current newer than archive 120198186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 120298186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 120398186Sgordon rcs -q -kb -U $_cur 120498186Sgordon co -q -f -u $_cur 120598186Sgordon fi 120698186Sgordon fi 120798186Sgordon 120898186Sgordon case $_action in 120998186Sgordon add|update) 121098186Sgordon cp -p $_file $_cur 121198186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121298186Sgordon rcs -q -kb -U $_cur 121398186Sgordon co -q -f -u $_cur 121498186Sgordon chown root:wheel $_cur $_cur,v 121598186Sgordon ;; 121698186Sgordon remove) 121798186Sgordon cp /dev/null $_cur 121898186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121998186Sgordon rcs -q -kb -U $_cur 122098186Sgordon chown root:wheel $_cur $_cur,v 122198186Sgordon rm $_cur 122298186Sgordon ;; 122398186Sgordon esac 122498186Sgordon else 122598186Sgordon case $_action in 122698186Sgordon add|update) 122798186Sgordon if [ -f $_cur ]; then 122898186Sgordon cp -p $_cur $_back 122998186Sgordon fi 123098186Sgordon cp -p $_file $_cur 123198186Sgordon chown root:wheel $_cur 123298186Sgordon ;; 123398186Sgordon remove) 123498186Sgordon mv -f $_cur $_back 123598186Sgordon ;; 123698186Sgordon esac 123798186Sgordon fi 123898186Sgordon} 123998186Sgordon 124098186Sgordon# make_symlink src link 124198186Sgordon# Make a symbolic link 'link' to src from basedir. If the 124298186Sgordon# directory in which link is to be created does not exist 124398186Sgordon# a warning will be displayed and an error will be returned. 124498186Sgordon# Returns 0 on sucess, 1 otherwise. 124598186Sgordon# 124698186Sgordonmake_symlink() 124798186Sgordon{ 124898186Sgordon local src link linkdir _me 124998186Sgordon src="$1" 125098186Sgordon link="$2" 125198186Sgordon linkdir="`dirname $link`" 125298186Sgordon _me="make_symlink()" 125398186Sgordon 125498186Sgordon if [ -z "$src" -o -z "$link" ]; then 125598186Sgordon warn "$_me: requires two arguments." 125698186Sgordon return 1 125798186Sgordon fi 125898186Sgordon if [ ! -d "$linkdir" ]; then 125998186Sgordon warn "$_me: the directory $linkdir does not exist." 126098186Sgordon return 1 126198186Sgordon fi 126298186Sgordon if ! ln -sf $src $link; then 126398186Sgordon warn "$_me: unable to make a symbolic link from $link to $src" 126498186Sgordon return 1 126598186Sgordon fi 126698186Sgordon return 0 126798186Sgordon} 126898186Sgordon 126998186Sgordon# devfs_rulesets_from_file file 127098186Sgordon# Reads a set of devfs commands from file, and creates 127198186Sgordon# the specified rulesets with their rules. Returns non-zero 127298186Sgordon# if there was an error. 127398186Sgordon# 127498186Sgordondevfs_rulesets_from_file() 127598186Sgordon{ 127698186Sgordon local file _err _me 127798186Sgordon file="$1" 1278119166Smtm _me="devfs_rulesets_from_file" 1279123344Smtm _err=0 1280123344Smtm 1281123344Smtm if [ -z "$file" ]; then 1282123344Smtm warn "$_me: you must specify a file" 1283229783Suqs return 1 1284119166Smtm fi 1285123344Smtm if [ ! -e "$file" ]; then 1286119166Smtm debug "$_me: no such file ($file)" 1287123344Smtm return 0 1288123344Smtm fi 1289123344Smtm debug "reading rulesets from file ($file)" 1290123344Smtm { while read line 1291123344Smtm do 1292119166Smtm case $line in 1293123344Smtm \#*) 1294123344Smtm continue 1295119166Smtm ;; 1296119166Smtm \[*\]*) 1297123344Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1298160667Syar if [ -z "$rulenum" ]; then 1299119166Smtm warn "$_me: cannot extract rule number ($line)" 1300119166Smtm _err=1 1301146490Sschweikh break 1302123344Smtm fi 1303119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1304119166Smtm if [ -z "$rulename" ]; then 1305119166Smtm warn "$_me: cannot extract rule name ($line)" 1306119166Smtm _err=1 1307119166Smtm break; 1308119166Smtm fi 1309119166Smtm eval $rulename=\$rulenum 1310119166Smtm debug "found ruleset: $rulename=$rulenum" 1311119166Smtm if ! /sbin/devfs rule -s $rulenum delset; then 1312119166Smtm _err=1 1313119166Smtm break 1314119166Smtm fi 1315119166Smtm ;; 1316119166Smtm *) 1317119166Smtm rulecmd="${line%%"\#*"}" 1318119166Smtm # evaluate the command incase it includes 1319119166Smtm # other rules 1320119166Smtm if [ -n "$rulecmd" ]; then 1321119166Smtm debug "adding rule ($rulecmd)" 1322119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1323119166Smtm then 1324119166Smtm _err=1 1325119166Smtm break 1326119166Smtm fi 1327119166Smtm fi 1328119166Smtm ;; 1329119166Smtm esac 1330119166Smtm if [ $_err -ne 0 ]; then 1331119166Smtm debug "error in $_me" 1332119166Smtm break 1333119166Smtm fi 1334119166Smtm done } < $file 1335119166Smtm return $_err 1336119166Smtm} 1337119166Smtm 1338119166Smtm# devfs_init_rulesets 1339119166Smtm# Initializes rulesets from configuration files. Returns 1340119166Smtm# non-zero if there was an error. 1341119166Smtm# 1342119166Smtmdevfs_init_rulesets() 1343119166Smtm{ 1344119166Smtm local file _me 1345119166Smtm _me="devfs_init_rulesets" 1346119166Smtm 1347119166Smtm # Go through this only once 1348119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1349119166Smtm debug "$_me: devfs rulesets already initialized" 1350146490Sschweikh return 1351119166Smtm fi 1352119166Smtm for file in $devfs_rulesets; do 1353119166Smtm if ! devfs_rulesets_from_file $file; then 1354119166Smtm warn "$_me: could not read rules from $file" 1355119166Smtm return 1 1356119166Smtm fi 1357119166Smtm done 1358119166Smtm devfs_rulesets_init=1 1359119166Smtm debug "$_me: devfs rulesets initialized" 1360119166Smtm return 0 1361119166Smtm} 1362119166Smtm 1363119166Smtm# devfs_set_ruleset ruleset [dir] 1364119166Smtm# Sets the default ruleset of dir to ruleset. The ruleset argument 1365119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1366119166Smtm# Returns non-zero if it could not set it successfully. 1367119166Smtm# 1368119166Smtmdevfs_set_ruleset() 1369119166Smtm{ 1370119166Smtm local devdir rs _me 1371119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1372119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1373119166Smtm _me="devfs_set_ruleset" 1374119166Smtm 1375119166Smtm if [ -z "$rs" ]; then 1376119166Smtm warn "$_me: you must specify a ruleset number" 1377119166Smtm return 1 1378119166Smtm fi 1379119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1380119166Smtm if ! /sbin/devfs $devdir ruleset $rs; then 1381119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1382119166Smtm return 1 1383119166Smtm fi 1384119166Smtm return 0 1385119166Smtm} 1386119166Smtm 1387119166Smtm# devfs_apply_ruleset ruleset [dir] 1388119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1389119166Smtm# The ruleset argument must be a ruleset name as specified 1390119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1391146490Sschweikh# if it could not apply the ruleset. 1392217090Sjh# 1393217090Sjhdevfs_apply_ruleset() 1394217090Sjh{ 1395217090Sjh local devdir rs _me 1396119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1397119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1398119166Smtm _me="devfs_apply_ruleset" 1399119166Smtm 1400119166Smtm if [ -z "$rs" ]; then 1401119166Smtm warn "$_me: you must specify a ruleset" 1402119166Smtm return 1 1403151619Smaxim fi 1404119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1405119166Smtm if ! /sbin/devfs $devdir rule -s $rs applyset; then 1406119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1407119166Smtm return 1 1408119166Smtm fi 1409119166Smtm return 0 1410119166Smtm} 1411119166Smtm 1412119166Smtm# devfs_domount dir [ruleset] 1413119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1414119166Smtm# on the mount-point. It must also be a ruleset name as specified 1415119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1416119166Smtm# 1417119166Smtmdevfs_domount() 1418119166Smtm{ 1419146490Sschweikh local devdir rs _me 1420119166Smtm devdir="$1" 1421119166Smtm [ -n "$2" ] && rs=$2 || rs= 1422119166Smtm _me="devfs_domount()" 1423119166Smtm 1424119166Smtm if [ -z "$devdir" ]; then 1425119166Smtm warn "$_me: you must specify a mount-point" 1426119166Smtm return 1 1427119166Smtm fi 1428119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1429119166Smtm if ! mount -t devfs dev "$devdir"; then 1430119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1431119166Smtm return 1 1432119166Smtm fi 1433119166Smtm if [ -n "$rs" ]; then 1434119166Smtm devfs_init_rulesets 1435119166Smtm devfs_set_ruleset $rs $devdir 1436119166Smtm devfs -m $devdir rule applyset 1437119166Smtm fi 1438119166Smtm return 0 1439119166Smtm} 1440119166Smtm 1441119166Smtm# devfs_mount_jail dir [ruleset] 1442119166Smtm# Mounts a devfs file system appropriate for jails 1443119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1444146490Sschweikh# it names will be used instead. If present, ruleset must 1445119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1446119166Smtm# This function returns non-zero if an error occurs. 1447119166Smtm# 1448119166Smtmdevfs_mount_jail() 1449119166Smtm{ 1450119166Smtm local jdev rs _me 1451119166Smtm jdev="$1" 1452119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1453119166Smtm _me="devfs_mount_jail" 1454119166Smtm 1455119166Smtm devfs_init_rulesets 1456119166Smtm if ! devfs_domount "$jdev" $rs; then 1457119166Smtm warn "$_me: devfs was not mounted on $jdev" 1458119166Smtm return 1 1459119166Smtm fi 1460119166Smtm return 0 1461119166Smtm} 1462119166Smtm 1463119166Smtm# Provide a function for normalizing the mounting of memory 1464119166Smtm# filesystems. This should allow the rest of the code here to remain 1465119166Smtm# as close as possible between 5-current and 4-stable. 1466119166Smtm# $1 = size 1467119166Smtm# $2 = mount point 1468146490Sschweikh# $3 = (optional) extra mdmfs flags 1469119166Smtmmount_md() 1470119166Smtm{ 1471119166Smtm if [ -n "$3" ]; then 1472119166Smtm flags="$3" 1473119166Smtm fi 1474119166Smtm /sbin/mdmfs $flags -s $1 md $2 1475124797Scperciva} 1476119166Smtm 1477119166Smtm# Code common to scripts that need to load a kernel module 1478119166Smtm# if it isn't in the kernel yet. Syntax: 1479119166Smtm# load_kld [-e regex] [-m module] file 1480119166Smtm# where -e or -m chooses the way to check if the module 1481119166Smtm# is already loaded: 1482119166Smtm# regex is egrep'd in the output from `kldstat -v', 1483119166Smtm# module is passed to `kldstat -m'. 1484119166Smtm# The default way is as though `-m file' were specified. 1485119166Smtmload_kld() 1486119166Smtm{ 1487119166Smtm local _loaded _mod _opt _re 1488119166Smtm 1489119166Smtm while getopts "e:m:" _opt; do 1490119166Smtm case "$_opt" in 1491119166Smtm e) _re="$OPTARG" ;; 1492119166Smtm m) _mod="$OPTARG" ;; 1493119166Smtm *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1494119166Smtm esac 1495146490Sschweikh done 1496119166Smtm shift $(($OPTIND - 1)) 1497119166Smtm if [ $# -ne 1 ]; then 1498119166Smtm err 3 'USAGE: load_kld [-e regex] [-m module] file' 1499119166Smtm fi 1500119166Smtm _mod=${_mod:-$1} 1501127345Sbrooks _loaded=false 1502127345Sbrooks if [ -n "$_re" ]; then 1503127345Sbrooks if kldstat -v | egrep -q -e "$_re"; then 1504127345Sbrooks _loaded=true 1505127345Sbrooks fi 1506127345Sbrooks else 1507137451Skeramida if kldstat -q -m "$_mod"; then 1508146490Sschweikh _loaded=true 1509146490Sschweikh fi 1510127345Sbrooks fi 1511137451Skeramida if ! $_loaded; then 1512127345Sbrooks if ! kldload "$1"; then 1513149421Syar warn "Unable to load kernel module $1" 1514127345Sbrooks return 1 1515131550Scperciva else 1516159828Syar info "$1 kernel module loaded." 1517159828Syar fi 1518160666Syar else 1519159828Syar debug "load_kld: $1 kernel module already loaded." 1520159828Syar fi 1521160666Syar return 0 1522160666Syar} 1523160666Syar 1524159828Syar# ltr str src dst 1525159828Syar# Change every $src in $str to $dst. 1526159828Syar# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1527159828Syar# awk(1). 1528159828Syarltr() 1529159828Syar{ 1530159828Syar local _str _src _dst _out _com 1531159828Syar _str=$1 1532160666Syar _src=$2 1533159828Syar _dst=$3 1534159828Syar _out="" 1535159828Syar 1536160666Syar IFS=${_src} 1537160666Syar for _com in ${_str}; do 1538160666Syar if [ -z "${_out}" ]; then 1539159828Syar _out="${_com}" 1540159828Syar else 1541159828Syar _out="${_out}${_dst}${_com}" 1542159828Syar fi 1543159828Syar done 1544159828Syar echo "${_out}" 1545159828Syar} 1546159828Syar 1547159828Syar# Creates a list of providers for GELI encryption. 1548159828Syargeli_make_list() 1549159828Syar{ 1550159828Syar local devices devices2 1551159828Syar local provider mountpoint type options rest 1552159828Syar 1553159828Syar # Create list of GELI providers from fstab. 1554160666Syar while read provider mountpoint type options rest ; do 1555160666Syar case ":${options}" in 1556159828Syar :*noauto*) 1557160666Syar noauto=yes 1558160666Syar ;; 1559159828Syar *) 1560159828Syar noauto=no 1561159828Syar ;; 1562159828Syar esac 1563149049Spjd 1564149049Spjd case ":${provider}" in 1565149049Spjd :#*) 1566149049Spjd continue 1567149049Spjd ;; 1568149049Spjd *.eli) 1569149049Spjd # Skip swap devices. 1570149049Spjd if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1571149049Spjd continue 1572149049Spjd fi 1573149049Spjd devices="${devices} ${provider}" 1574149049Spjd ;; 1575149049Spjd esac 1576149049Spjd done < /etc/fstab 1577149049Spjd 1578149049Spjd # Append providers from geli_devices. 1579149049Spjd devices="${devices} ${geli_devices}" 1580149049Spjd 1581149049Spjd for provider in ${devices}; do 1582149049Spjd provider=${provider%.eli} 1583149049Spjd provider=${provider#/dev/} 1584149049Spjd devices2="${devices2} ${provider}" 1585149049Spjd done 1586149050Spjd 1587149050Spjd echo ${devices2} 1588149050Spjd} 1589149050Spjd 1590149050Spjd# Find scripts in local_startup directories that use the old syntax 1591149050Spjd# 1592149050Spjdfind_local_scripts_old () { 1593149050Spjd zlist='' 1594155570Sflz slist='' 1595155570Sflz for dir in ${local_startup}; do 1596155570Sflz if [ -d "${dir}" ]; then 1597155570Sflz for file in ${dir}/[0-9]*.sh; do 1598155570Sflz grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1599155570Sflz continue 1600155570Sflz zlist="$zlist $file" 1601155570Sflz done 1602155570Sflz for file in ${dir}/[^0-9]*.sh; do 1603149050Spjd grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1604149050Spjd continue 1605149050Spjd slist="$slist $file" 1606149050Spjd done 1607149050Spjd fi 1608149050Spjd done 1609155570Sflz} 1610149050Spjd 1611149050Spjdfind_local_scripts_new () { 1612149050Spjd local_rc='' 1613149050Spjd for dir in ${local_startup}; do 1614149050Spjd if [ -d "${dir}" ]; then 1615149050Spjd for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1616149050Spjd case "$file" in 1617149050Spjd *.sample) ;; 1618149050Spjd *) if [ -x "$file" ]; then 1619149050Spjd local_rc="${local_rc} ${file}" 1620149050Spjd fi 1621149050Spjd ;; 1622149050Spjd esac 1623149050Spjd done 1624149050Spjd fi 1625149050Spjd done 1626149050Spjd} 1627149050Spjd 1628149050Spjd# check_required_{before|after} command 1629153027Sdougb# Check for things required by the command before and after its precmd, 1630153027Sdougb# respectively. The two separate functions are needed because some 1631153027Sdougb# conditions should prevent precmd from being run while other things 1632153027Sdougb# depend on precmd having already been run. 1633153027Sdougb# 1634153027Sdougbcheck_required_before() 1635153027Sdougb{ 1636153027Sdougb local _f 1637153027Sdougb 1638153027Sdougb case "$1" in 1639153027Sdougb start) 1640153027Sdougb for _f in $required_vars; do 1641227366Sjilles if ! checkyesno $_f; then 1642153027Sdougb warn "\$${_f} is not enabled." 1643153027Sdougb if [ -z "$rc_force" ]; then 1644153027Sdougb return 1 1645153027Sdougb fi 1646153027Sdougb fi 1647153027Sdougb done 1648153027Sdougb 1649153027Sdougb for _f in $required_dirs; do 1650153027Sdougb if [ ! -d "${_f}/." ]; then 1651153027Sdougb warn "${_f} is not a directory." 1652153027Sdougb if [ -z "$rc_force" ]; then 1653153027Sdougb return 1 1654153297Sdougb fi 1655153027Sdougb fi 1656153027Sdougb done 1657153027Sdougb 1658153027Sdougb for _f in $required_files; do 1659153027Sdougb if [ ! -r "${_f}" ]; then 1660153027Sdougb warn "${_f} is not readable." 1661153027Sdougb if [ -z "$rc_force" ]; then 1662153027Sdougb return 1 1663153027Sdougb fi 1664153027Sdougb fi 1665153027Sdougb done 1666153027Sdougb ;; 1667165565Syar esac 1668165565Syar 1669165565Syar return 0 1670165565Syar} 1671165565Syar 1672165565Syarcheck_required_after() 1673165565Syar{ 1674165565Syar local _f _args 1675165565Syar 1676165565Syar case "$1" in 1677165565Syar start) 1678165565Syar for _f in $required_modules; do 1679165565Syar case "${_f}" in 1680165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1681165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1682165565Syar *) _args="${_f}" ;; 1683165565Syar esac 1684165565Syar if ! load_kld ${_args}; then 1685165565Syar if [ -z "$rc_force" ]; then 1686165565Syar return 1 1687165565Syar fi 1688165565Syar fi 1689165565Syar done 1690165565Syar ;; 1691165565Syar esac 1692165565Syar 1693165565Syar return 0 1694165565Syar} 1695165565Syar 1696165565Syarfi 1697165565Syar 1698165565Syar# _echoonce var msg mode 1699165565Syar# mode=0: Echo $msg if ${$var} is empty. 1700165565Syar# After doing echo, a string is set to ${$var}. 1701165565Syar# 1702165565Syar# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1703165565Syar# 1704165565Syar_echoonce() 1705165565Syar{ 1706165565Syar local _var _msg _mode 1707165565Syar _var=`eval echo \\$$1` 1708165565Syar _msg=$2 1709165565Syar _mode=$3 1710165565Syar 1711165565Syar case $_mode in 1712165565Syar 1) [ -n "$_var" ] && echo "$_msg" ;; 1713165565Syar *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1714165565Syar esac 1715165565Syar} 1716165565Syar 1717165565Syar_rc_subr_loaded=: 1718165565Syar