rc.subr revision 220962
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 220962 2011-04-23 04:26:31Z 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# get_pidfile_from_conf string file 388220962Sdougb# 389220962Sdougb# Takes a string to search for in the specified file. 390220962Sdougb# Ignores lines with traditional comment characters. 391220962Sdougb# 392220962Sdougb# Example: 393220962Sdougb# 394220962Sdougb# if get_pidfile_from_conf string file; then 395220962Sdougb# pidfile="$_pidfile_from_conf" 396220962Sdougb# else 397220962Sdougb# pidfile='appropriate default' 398220962Sdougb# fi 399220962Sdougb# 400220962Sdougbget_pidfile_from_conf() 401220962Sdougb{ 402220962Sdougb local string file line 403220962Sdougb 404220962Sdougb string="$1" ; file="$2" 405220962Sdougb 406220962Sdougb if [ -z "$string" -o -z "$file" ] || [ ! -s "$file" ]; then 407220962Sdougb err 3 'USAGE: get_pidfile_from_conf string file' 408220962Sdougb fi 409220962Sdougb 410220962Sdougb while read line; do 411220962Sdougb case "$line" in 412220962Sdougb *[#\;]*${string}*) continue ;; 413220962Sdougb *${string}*) break ;; 414220962Sdougb esac 415220962Sdougb done < $file 416220962Sdougb 417220962Sdougb if [ -n "$line" ]; then 418220962Sdougb line=${line#*/} 419220962Sdougb _pidfile_from_conf="/${line%%[\"\;]*}" 420220962Sdougb else 421220962Sdougb return 1 422220962Sdougb fi 423220962Sdougb} 424220962Sdougb 425220962Sdougb# 426197947Sdougb# check_startmsgs 427197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 428197947Sdougb# boot time) check if rc_startmsgs is enabled. 429197947Sdougb# 430197947Sdougbcheck_startmsgs() 431197947Sdougb{ 432197947Sdougb if [ -n "$rc_quiet" ]; then 433197947Sdougb checkyesno rc_startmsgs 434197947Sdougb else 435197947Sdougb return 0 436197947Sdougb fi 437197947Sdougb} 438197947Sdougb 439197947Sdougb# 44098186Sgordon# run_rc_command argument 44198186Sgordon# Search for argument in the list of supported commands, which is: 44298186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 44398186Sgordon# If there's a match, run ${argument}_cmd or the default method 44498186Sgordon# (see below). 44578344Sobrien# 44698186Sgordon# If argument has a given prefix, then change the operation as follows: 44798186Sgordon# Prefix Operation 44878344Sobrien# ------ --------- 449175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 45098186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 451126303Smtm# one Set ${rcvar} to YES 452175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 45378344Sobrien# 45478344Sobrien# The following globals are used: 45578344Sobrien# 45698186Sgordon# Name Needed Purpose 45798186Sgordon# ---- ------ ------- 45878344Sobrien# name y Name of script. 45978344Sobrien# 46078344Sobrien# command n Full path to command. 46198186Sgordon# Not needed if ${rc_arg}_cmd is set for 46278344Sobrien# each keyword. 46378344Sobrien# 46478344Sobrien# command_args n Optional args/shell directives for command. 46578344Sobrien# 46698186Sgordon# command_interpreter n If not empty, command is interpreted, so 46798186Sgordon# call check_{pidfile,process}() appropriately. 46898186Sgordon# 469197144Shrs# desc n Description of script. 470197144Shrs# 47178344Sobrien# extra_commands n List of extra commands supported. 47278344Sobrien# 47398186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 47498186Sgordon# otherwise use check_process $command. 47598186Sgordon# In either case, only check if $command is set. 47678344Sobrien# 47798186Sgordon# procname n Process name to check for instead of $command. 47898186Sgordon# 47978344Sobrien# rcvar n This is checked with checkyesno to determine 48078344Sobrien# if the action should be run. 48178344Sobrien# 482157653Sflz# ${name}_program n Full path to command. 483157653Sflz# Meant to be used in /etc/rc.conf to override 484157653Sflz# ${command}. 485157653Sflz# 48678344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 48798186Sgordon# Requires /usr to be mounted. 48878344Sobrien# 48978344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 49078344Sobrien# (if not using ${name}_chroot). 49178344Sobrien# 49278344Sobrien# ${name}_flags n Arguments to call ${command} with. 49378344Sobrien# NOTE: $flags from the parent environment 49478344Sobrien# can be used to override this. 49578344Sobrien# 49678344Sobrien# ${name}_nice n Nice level to run ${command} at. 49778344Sobrien# 49878344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 49978344Sobrien# using ${name}_chroot. 50098186Sgordon# Requires /usr to be mounted. 50178344Sobrien# 50278344Sobrien# ${name}_group n Group to run chrooted ${command} as. 50398186Sgordon# Requires /usr to be mounted. 50478344Sobrien# 50598186Sgordon# ${name}_groups n Comma separated list of supplementary groups 50698186Sgordon# to run the chrooted ${command} with. 50798186Sgordon# Requires /usr to be mounted. 50878344Sobrien# 50998186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 51078344Sobrien# Otherwise, use default command (see below) 51178344Sobrien# 51298186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 51398186Sgordon# ${rc_arg}_cmd method in the default 51498186Sgordon# operation (i.e, after checking for required 51598186Sgordon# bits and process (non)existence). 51678344Sobrien# If this completes with a non-zero exit code, 51798186Sgordon# don't run ${rc_arg}_cmd. 51878344Sobrien# 51998186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 52098186Sgordon# ${rc_arg}_cmd method, if that method 52198186Sgordon# returned a zero exit code. 52298186Sgordon# 52378344Sobrien# required_dirs n If set, check for the existence of the given 524165565Syar# directories before running a (re)start command. 52578344Sobrien# 52678344Sobrien# required_files n If set, check for the readability of the given 527165565Syar# files before running a (re)start command. 52878344Sobrien# 529165565Syar# required_modules n If set, ensure the given kernel modules are 530165565Syar# loaded before running a (re)start command. 531165565Syar# The check and possible loads are actually 532165565Syar# done after start_precmd so that the modules 533165565Syar# aren't loaded in vain, should the precmd 534165565Syar# return a non-zero status to indicate a error. 535165565Syar# If a word in the list looks like "foo:bar", 536165565Syar# "foo" is the KLD file name and "bar" is the 537165565Syar# module name. If a word looks like "foo~bar", 538165565Syar# "foo" is the KLD file name and "bar" is a 539165565Syar# egrep(1) pattern matching the module name. 540165565Syar# Otherwise the module name is assumed to be 541165565Syar# the same as the KLD file name, which is most 542165565Syar# common. See load_kld(). 543165565Syar# 54478344Sobrien# required_vars n If set, perform checkyesno on each of the 54578344Sobrien# listed variables before running the default 54678344Sobrien# (re)start command. 54778344Sobrien# 54898186Sgordon# Default behaviour for a given argument, if no override method is 54998186Sgordon# provided: 55078344Sobrien# 55198186Sgordon# Argument Default behaviour 55298186Sgordon# -------- ----------------- 55378344Sobrien# start if !running && checkyesno ${rcvar} 55478344Sobrien# ${command} 55578344Sobrien# 55678344Sobrien# stop if ${pidfile} 55798186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 55878344Sobrien# else 55998186Sgordon# rc_pid=$(check_process $command) 56098186Sgordon# kill $sig_stop $rc_pid 56198186Sgordon# wait_for_pids $rc_pid 56298186Sgordon# ($sig_stop defaults to TERM.) 56378344Sobrien# 56498186Sgordon# reload Similar to stop, except use $sig_reload instead, 56598186Sgordon# and doesn't wait_for_pids. 56678344Sobrien# $sig_reload defaults to HUP. 567151685Syar# Note that `reload' isn't provided by default, 568151685Syar# it should be enabled via $extra_commands. 56978344Sobrien# 57078344Sobrien# restart Run `stop' then `start'. 57178344Sobrien# 57298186Sgordon# status Show if ${command} is running, etc. 57378344Sobrien# 57498186Sgordon# poll Wait for ${command} to exit. 57598186Sgordon# 57698186Sgordon# rcvar Display what rc.conf variable is used (if any). 57798186Sgordon# 57898186Sgordon# Variables available to methods, and after run_rc_command() has 57998186Sgordon# completed: 58098186Sgordon# 58198186Sgordon# Variable Purpose 58298186Sgordon# -------- ------- 583126303Smtm# rc_arg Argument to command, after fast/force/one processing 58498186Sgordon# performed 58598186Sgordon# 58698186Sgordon# rc_flags Flags to start the default command with. 58798186Sgordon# Defaults to ${name}_flags, unless overridden 58898186Sgordon# by $flags from the environment. 58998186Sgordon# This variable may be changed by the precmd method. 59098186Sgordon# 59198186Sgordon# rc_pid PID of command (if appropriate) 59298186Sgordon# 59398186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 59498186Sgordon# 59598186Sgordon# rc_force Not empty if "force" was provided (q.v.) 59698186Sgordon# 597175676Smtm# rc_quiet Not empty if "quiet" was provided 59898186Sgordon# 599175676Smtm# 60078344Sobrienrun_rc_command() 60178344Sobrien{ 602116097Smtm _return=0 60398186Sgordon rc_arg=$1 60478344Sobrien if [ -z "$name" ]; then 60598186Sgordon err 3 'run_rc_command: $name is not set.' 60678344Sobrien fi 60778344Sobrien 608132892Smtm # Don't repeat the first argument when passing additional command- 609132892Smtm # line arguments to the command subroutines. 610132892Smtm # 611132892Smtm shift 1 612132892Smtm rc_extra_args="$*" 613132892Smtm 614126303Smtm _rc_prefix= 61598186Sgordon case "$rc_arg" in 61678344Sobrien fast*) # "fast" prefix; don't check pid 61798186Sgordon rc_arg=${rc_arg#fast} 61898186Sgordon rc_fast=yes 619175676Smtm rc_quiet=yes 62078344Sobrien ;; 621198216Sed force*) # "force" prefix; always run 62298186Sgordon rc_force=yes 623126303Smtm _rc_prefix=force 624126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 62578344Sobrien if [ -n "${rcvar}" ]; then 62678344Sobrien eval ${rcvar}=YES 62778344Sobrien fi 62878344Sobrien ;; 629126303Smtm one*) # "one" prefix; set ${rcvar}=yes 630126303Smtm _rc_prefix=one 631126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 632126303Smtm if [ -n "${rcvar}" ]; then 633126303Smtm eval ${rcvar}=YES 634126303Smtm fi 635126303Smtm ;; 636175676Smtm quiet*) # "quiet" prefix; omit some messages 637175676Smtm _rc_prefix=quiet 638175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 639175676Smtm rc_quiet=yes 640175676Smtm ;; 64178344Sobrien esac 64278344Sobrien 643161530Sflz eval _override_command=\$${name}_program 644198162Sdougb command=${_override_command:-$command} 645161530Sflz 64678344Sobrien _keywords="start stop restart rcvar $extra_commands" 64798186Sgordon rc_pid= 64878344Sobrien _pidcmd= 64998186Sgordon _procname=${procname:-${command}} 65098186Sgordon 651131135Smtm # setup pid check command 652131135Smtm if [ -n "$_procname" ]; then 65378344Sobrien if [ -n "$pidfile" ]; then 65498186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 65598186Sgordon else 65698186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 65778344Sobrien fi 65878344Sobrien if [ -n "$_pidcmd" ]; then 65998186Sgordon _keywords="${_keywords} status poll" 66078344Sobrien fi 66178344Sobrien fi 66278344Sobrien 66398186Sgordon if [ -z "$rc_arg" ]; then 664150796Syar rc_usage $_keywords 66578344Sobrien fi 66678344Sobrien 66778344Sobrien if [ -n "$flags" ]; then # allow override from environment 66898186Sgordon rc_flags=$flags 66978344Sobrien else 67098186Sgordon eval rc_flags=\$${name}_flags 67178344Sobrien fi 67298186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 67398186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 67498186Sgordon _group=\$${name}_group _groups=\$${name}_groups 67578344Sobrien 67698186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 677124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 67898186Sgordon unset _user 67998186Sgordon fi 68098186Sgordon fi 68198186Sgordon 682179870Smtm eval $_pidcmd # determine the pid if necessary 683179870Smtm 684179870Smtm for _elem in $_keywords; do 685179870Smtm if [ "$_elem" != "$rc_arg" ]; then 686179870Smtm continue 687179870Smtm fi 688206686Sdougb # if ${rcvar} is set, $1 is not "rcvar" 689206686Sdougb # and ${rc_pid} is not set, then run 69078344Sobrien # checkyesno ${rcvar} 69178344Sobrien # and return if that failed 69278344Sobrien # 693220760Sdougb if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 694220760Sdougb [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 695179870Smtm if ! checkyesno ${rcvar}; then 696179870Smtm if [ -n "${rc_quiet}" ]; then 697179870Smtm return 0 698179870Smtm fi 699179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 700179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 701179870Smtm echo "instead of '${rc_arg}'." 702175676Smtm return 0 703175676Smtm fi 70478344Sobrien fi 70578344Sobrien 70678344Sobrien # if there's a custom ${XXX_cmd}, 70778344Sobrien # run that instead of the default 70878344Sobrien # 709165565Syar eval _cmd=\$${rc_arg}_cmd \ 710165565Syar _precmd=\$${rc_arg}_precmd \ 711165565Syar _postcmd=\$${rc_arg}_postcmd 712165565Syar 71378344Sobrien if [ -n "$_cmd" ]; then 714165565Syar _run_rc_precmd || return 1 715165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 716165565Syar _run_rc_postcmd 717116097Smtm return $_return 71878344Sobrien fi 71978344Sobrien 72098186Sgordon case "$rc_arg" in # default operations... 72178344Sobrien 72278344Sobrien status) 723165565Syar _run_rc_precmd || return 1 72498186Sgordon if [ -n "$rc_pid" ]; then 72598186Sgordon echo "${name} is running as pid $rc_pid." 72678344Sobrien else 72778344Sobrien echo "${name} is not running." 72878344Sobrien return 1 72978344Sobrien fi 730165565Syar _run_rc_postcmd 73178344Sobrien ;; 73278344Sobrien 73378344Sobrien start) 734131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 735157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 736153152Syar return 1 73778344Sobrien fi 73878344Sobrien 739167413Syar if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 740160667Syar warn "run_rc_command: cannot run $command" 741153152Syar return 1 74278344Sobrien fi 74378344Sobrien 744179946Smtm if ! _run_rc_precmd; then 745179946Smtm warn "failed precmd routine for ${name}" 746179946Smtm return 1 747179946Smtm fi 74878344Sobrien 749160668Syar # setup the full command to run 75078344Sobrien # 751197947Sdougb check_startmsgs && echo "Starting ${name}." 75278344Sobrien if [ -n "$_chroot" ]; then 75378344Sobrien _doit="\ 75478344Sobrien${_nice:+nice -n $_nice }\ 75578344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 75698186Sgordon$_chroot $command $rc_flags $command_args" 75778344Sobrien else 75878344Sobrien _doit="\ 759161396Syar${_chdir:+cd $_chdir && }\ 76098186Sgordon$command $rc_flags $command_args" 76198186Sgordon if [ -n "$_user" ]; then 76298186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 76398186Sgordon fi 764161396Syar if [ -n "$_nice" ]; then 765161396Syar if [ -z "$_user" ]; then 766161396Syar _doit="sh -c \"$_doit\"" 767201036Sdougb fi 768161396Syar _doit="nice -n $_nice $_doit" 769161396Syar fi 77078344Sobrien fi 77198186Sgordon 772165565Syar # run the full command 77398186Sgordon # 774179946Smtm if ! _run_rc_doit "$_doit"; then 775179946Smtm warn "failed to start ${name}" 776179946Smtm return 1 777179946Smtm fi 77898186Sgordon 77998186Sgordon # finally, run postcmd 78098186Sgordon # 781165565Syar _run_rc_postcmd 78278344Sobrien ;; 78378344Sobrien 78478344Sobrien stop) 78598186Sgordon if [ -z "$rc_pid" ]; then 786153152Syar [ -n "$rc_fast" ] && return 0 787165565Syar _run_rc_notrunning 788153152Syar return 1 78978344Sobrien fi 79078344Sobrien 791165565Syar _run_rc_precmd || return 1 79298186Sgordon 79398186Sgordon # send the signal to stop 79498186Sgordon # 79578344Sobrien echo "Stopping ${name}." 796165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 797165565Syar _run_rc_doit "$_doit" || return 1 79898186Sgordon 79998186Sgordon # wait for the command to exit, 80098186Sgordon # and run postcmd. 80198186Sgordon wait_for_pids $rc_pid 802165565Syar 803165565Syar _run_rc_postcmd 80478344Sobrien ;; 80578344Sobrien 80678344Sobrien reload) 80798186Sgordon if [ -z "$rc_pid" ]; then 808165565Syar _run_rc_notrunning 809153152Syar return 1 81078344Sobrien fi 811165565Syar 812165565Syar _run_rc_precmd || return 1 813165565Syar 814165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 815165565Syar _run_rc_doit "$_doit" || return 1 816165565Syar 817165565Syar _run_rc_postcmd 81878344Sobrien ;; 81978344Sobrien 82078344Sobrien restart) 82178344Sobrien # prevent restart being called more 82278344Sobrien # than once by any given script 82378344Sobrien # 824126285Smtm if ${_rc_restart_done:-false}; then 82578344Sobrien return 0 82678344Sobrien fi 827126285Smtm _rc_restart_done=true 82878344Sobrien 829165565Syar _run_rc_precmd || return 1 830165565Syar 831165565Syar # run those in a subshell to keep global variables 832152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 833165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 834165565Syar _return=$? 835165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 83698186Sgordon 837165565Syar _run_rc_postcmd 83878344Sobrien ;; 83978344Sobrien 84098186Sgordon poll) 841165565Syar _run_rc_precmd || return 1 84298186Sgordon if [ -n "$rc_pid" ]; then 84398186Sgordon wait_for_pids $rc_pid 84498186Sgordon fi 845165565Syar _run_rc_postcmd 84698186Sgordon ;; 84798186Sgordon 84878344Sobrien rcvar) 849197144Shrs echo -n "# $name" 850197144Shrs if [ -n "$desc" ]; then 851197144Shrs echo " : $desc" 852197144Shrs else 853197144Shrs echo "" 854197144Shrs fi 855197144Shrs echo "#" 856197144Shrs # Get unique vars in $rcvar $rcvars 857197144Shrs for _v in $rcvar $rcvars; do 858197144Shrs case $v in 859197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 860197144Shrs *) v="${v# } $_v" ;; 861197144Shrs esac 862197144Shrs done 863197144Shrs 864197144Shrs # Display variables. 865197144Shrs for _v in $v; do 866197144Shrs if [ -z "$_v" ]; then 867197144Shrs continue 86878344Sobrien fi 869197144Shrs 870197144Shrs eval _desc=\$${_v}_desc 871197144Shrs eval _defval=\$${_v}_defval 872197144Shrs _h="-" 873197144Shrs 874197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 875197144Shrs # decode multiple lines of _desc 876197144Shrs while [ -n "$_desc" ]; do 877197144Shrs case $_desc in 878197144Shrs *^^*) 879197144Shrs echo "# $_h ${_desc%%^^*}" 880197144Shrs _desc=${_desc#*^^} 881197144Shrs _h=" " 882197144Shrs ;; 883197144Shrs *) 884197144Shrs echo "# $_h ${_desc}" 885197144Shrs break 886197144Shrs ;; 887197144Shrs esac 888197144Shrs done 889197144Shrs echo "# (default: \"$_defval\")" 890197144Shrs done 891197144Shrs echo "" 89278344Sobrien ;; 89378344Sobrien 89478344Sobrien *) 895150796Syar rc_usage $_keywords 89678344Sobrien ;; 89778344Sobrien 89878344Sobrien esac 899116097Smtm return $_return 90078344Sobrien done 90178344Sobrien 90298186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 903150796Syar rc_usage $_keywords 904153152Syar # not reached 90578344Sobrien} 90678344Sobrien 90778344Sobrien# 908165565Syar# Helper functions for run_rc_command: common code. 909165565Syar# They use such global variables besides the exported rc_* ones: 910165565Syar# 911165565Syar# name R/W 912165565Syar# ------------------ 913165565Syar# _precmd R 914165565Syar# _postcmd R 915165565Syar# _return W 916165565Syar# 917165565Syar_run_rc_precmd() 918165565Syar{ 919165565Syar check_required_before "$rc_arg" || return 1 920165565Syar 921165565Syar if [ -n "$_precmd" ]; then 922165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 923165565Syar eval "$_precmd $rc_extra_args" 924165565Syar _return=$? 925165565Syar 926165565Syar # If precmd failed and force isn't set, request exit. 927165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 928165565Syar return 1 929165565Syar fi 930165565Syar fi 931165565Syar 932165565Syar check_required_after "$rc_arg" || return 1 933165565Syar 934165565Syar return 0 935165565Syar} 936165565Syar 937165565Syar_run_rc_postcmd() 938165565Syar{ 939165565Syar if [ -n "$_postcmd" ]; then 940165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 941165565Syar eval "$_postcmd $rc_extra_args" 942165565Syar _return=$? 943165565Syar fi 944165565Syar return 0 945165565Syar} 946165565Syar 947165565Syar_run_rc_doit() 948165565Syar{ 949165565Syar debug "run_rc_command: doit: $*" 950165565Syar eval "$@" 951165565Syar _return=$? 952165565Syar 953165565Syar # If command failed and force isn't set, request exit. 954165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 955165565Syar return 1 956165565Syar fi 957165565Syar 958165565Syar return 0 959165565Syar} 960165565Syar 961165565Syar_run_rc_notrunning() 962165565Syar{ 963165565Syar local _pidmsg 964165565Syar 965165565Syar if [ -n "$pidfile" ]; then 966165565Syar _pidmsg=" (check $pidfile)." 967165565Syar else 968165565Syar _pidmsg= 969165565Syar fi 970165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 971165565Syar} 972165565Syar 973165565Syar_run_rc_killcmd() 974165565Syar{ 975165565Syar local _cmd 976165565Syar 977165565Syar _cmd="kill -$1 $rc_pid" 978165565Syar if [ -n "$_user" ]; then 979165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 980165565Syar fi 981165565Syar echo "$_cmd" 982165565Syar} 983165565Syar 984165565Syar# 98578344Sobrien# run_rc_script file arg 98678344Sobrien# Start the script `file' with `arg', and correctly handle the 987201038Sdougb# return value from the script. 988201038Sdougb# If `file' ends with `.sh', it's sourced into the current environment 989201038Sdougb# when $rc_fast_and_loose is set, otherwise it is run as a child process. 990201038Sdougb# If `file' appears to be a backup or scratch file, ignore it. 991201038Sdougb# Otherwise if it is executable run as a child process. 99278344Sobrien# 99378344Sobrienrun_rc_script() 99478344Sobrien{ 99578344Sobrien _file=$1 99678344Sobrien _arg=$2 99778344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 99878344Sobrien err 3 'USAGE: run_rc_script file arg' 99978344Sobrien fi 100078344Sobrien 100198186Sgordon unset name command command_args command_interpreter \ 100298186Sgordon extra_commands pidfile procname \ 1003197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 1004197144Shrs required_vars 100598186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 100698186Sgordon 100778344Sobrien case "$_file" in 1008193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 1009193118Sdougb warn "Ignoring old-style startup script $_file" 101078344Sobrien ;; 1011153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 101298186Sgordon warn "Ignoring scratch file $_file" 101398186Sgordon ;; 101478344Sobrien *) # run in subshell 101598186Sgordon if [ -x $_file ]; then 101698186Sgordon if [ -n "$rc_fast_and_loose" ]; then 1017146490Sschweikh set $_arg; . $_file 101898186Sgordon else 1019130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 1020130161Smtm trap "echo Script $_file interrupted; exit 1" 2 1021184317Sthompsa trap "echo Script $_file running" 29 1022146490Sschweikh set $_arg; . $_file ) 102398186Sgordon fi 102498186Sgordon fi 102578344Sobrien ;; 102678344Sobrien esac 102778344Sobrien} 102878344Sobrien 102978344Sobrien# 1030157653Sflz# load_rc_config name 1031157653Sflz# Source in the configuration file for a given name. 103278344Sobrien# 103378344Sobrienload_rc_config() 103478344Sobrien{ 1035197144Shrs local _name _var _defval _v _msg _new 1036157653Sflz _name=$1 1037157653Sflz if [ -z "$_name" ]; then 1038157653Sflz err 3 'USAGE: load_rc_config name' 103978344Sobrien fi 104078344Sobrien 1041219612Sdougb if ${_rc_conf_loaded:-false}; then 1042219612Sdougb : 1043219612Sdougb else 104498186Sgordon if [ -r /etc/defaults/rc.conf ]; then 104598186Sgordon debug "Sourcing /etc/defaults/rc.conf" 104698186Sgordon . /etc/defaults/rc.conf 104798186Sgordon source_rc_confs 104898186Sgordon elif [ -r /etc/rc.conf ]; then 104998186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 105098186Sgordon . /etc/rc.conf 105198186Sgordon fi 1052126285Smtm _rc_conf_loaded=true 105398186Sgordon fi 1054161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1055157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1056161530Sflz . /etc/rc.conf.d/"$_name" 1057157653Sflz fi 1058179872Smtm 1059211311Sdougb # Old variable name support -- Remove before 9.0-RELEASE 1060179872Smtm # 1061211319Sdougb [ -n "$enable_quotas" ] && err 1 "enable_quotas is deprecated, use quota_enable" 1062197144Shrs 1063197144Shrs # Set defaults if defined. 1064197144Shrs for _var in $rcvar $rcvars; do 1065197144Shrs _defval=`eval echo "\\\$${_var}_defval"` 1066197144Shrs if [ -n "$_defval" ]; then 1067197144Shrs eval : \${$_var:=\$${_var}_defval} 1068197144Shrs fi 1069197144Shrs done 1070197144Shrs 1071197144Shrs # check obsolete rc.conf variables 1072197144Shrs for _var in $rcvars_obsolete; do 1073197144Shrs _v=`eval echo \\$$_var` 1074197144Shrs _msg=`eval echo \\$${_var}_obsolete_msg` 1075197144Shrs _new=`eval echo \\$${_var}_newvar` 1076197144Shrs case $_v in 1077197144Shrs "") 1078197144Shrs ;; 1079197144Shrs *) 1080197144Shrs if [ -z "$_new" ]; then 1081197144Shrs _msg="Ignored." 1082197144Shrs else 1083197144Shrs eval $_new=\"\$$_var\" 1084197144Shrs if [ -z "$_msg" ]; then 1085197144Shrs _msg="Use \$$_new instead." 1086197144Shrs fi 1087197144Shrs fi 1088197144Shrs warn "\$$_var is obsolete. $_msg" 1089197144Shrs ;; 1090197144Shrs esac 1091197144Shrs done 109278344Sobrien} 1093201036Sdougb 1094157473Sflz# 1095157653Sflz# load_rc_config_var name var 1096157653Sflz# Read the rc.conf(5) var for name and set in the 1097157473Sflz# current shell, using load_rc_config in a subshell to prevent 1098157473Sflz# unwanted side effects from other variable assignments. 1099157473Sflz# 1100157473Sflzload_rc_config_var() 1101157473Sflz{ 1102157473Sflz if [ $# -ne 2 ]; then 1103157653Sflz err 3 'USAGE: load_rc_config_var name var' 1104157473Sflz fi 1105157473Sflz eval $(eval '( 1106157473Sflz load_rc_config '$1' >/dev/null; 1107157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1108157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1109157473Sflz fi 1110157473Sflz )' ) 1111157473Sflz} 111278344Sobrien 111378344Sobrien# 111478344Sobrien# rc_usage commands 111578344Sobrien# Print a usage string for $0, with `commands' being a list of 111678344Sobrien# valid commands. 111778344Sobrien# 111878344Sobrienrc_usage() 111978344Sobrien{ 1120126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 112178344Sobrien 112278344Sobrien _sep= 1123126286Smtm for _elem; do 112478344Sobrien echo -n 1>&2 "$_sep$_elem" 112578344Sobrien _sep="|" 112678344Sobrien done 112778344Sobrien echo 1>&2 ")" 112878344Sobrien exit 1 112978344Sobrien} 113078344Sobrien 113178344Sobrien# 113278344Sobrien# err exitval message 113378344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 113478344Sobrien# 113578344Sobrienerr() 113678344Sobrien{ 113778344Sobrien exitval=$1 113878344Sobrien shift 113978344Sobrien 1140106643Sgordon if [ -x /usr/bin/logger ]; then 1141106643Sgordon logger "$0: ERROR: $*" 1142106643Sgordon fi 1143106643Sgordon echo 1>&2 "$0: ERROR: $*" 114478344Sobrien exit $exitval 114578344Sobrien} 114678344Sobrien 114778344Sobrien# 114878344Sobrien# warn message 114978344Sobrien# Display message to stderr and log to the syslog. 115078344Sobrien# 115178344Sobrienwarn() 115278344Sobrien{ 1153106643Sgordon if [ -x /usr/bin/logger ]; then 1154106643Sgordon logger "$0: WARNING: $*" 1155106643Sgordon fi 1156106643Sgordon echo 1>&2 "$0: WARNING: $*" 115778344Sobrien} 115898186Sgordon 115998186Sgordon# 116098186Sgordon# info message 116198186Sgordon# Display informational message to stdout and log to syslog. 116298186Sgordon# 116398186Sgordoninfo() 116498186Sgordon{ 1165119170Smtm case ${rc_info} in 1166119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1167119170Smtm if [ -x /usr/bin/logger ]; then 1168119170Smtm logger "$0: INFO: $*" 1169119170Smtm fi 1170119170Smtm echo "$0: INFO: $*" 1171119170Smtm ;; 1172119170Smtm esac 117398186Sgordon} 117498186Sgordon 117598186Sgordon# 117698186Sgordon# debug message 1177106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 117898186Sgordon# BEWARE that you don't call any subroutine that itself calls this 117998186Sgordon# function. 118098186Sgordon# 118198186Sgordondebug() 118298186Sgordon{ 118398186Sgordon case ${rc_debug} in 118498186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1185106700Sgordon if [ -x /usr/bin/logger ]; then 1186162947Syar logger "$0: DEBUG: $*" 1187106700Sgordon fi 1188146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 118998186Sgordon ;; 119098186Sgordon esac 119198186Sgordon} 119298186Sgordon 119398186Sgordon# 119498186Sgordon# backup_file action file cur backup 119598186Sgordon# Make a backup copy of `file' into `cur', and save the previous 119698186Sgordon# version of `cur' as `backup' or use rcs for archiving. 119798186Sgordon# 119898186Sgordon# This routine checks the value of the backup_uses_rcs variable, 119998186Sgordon# which can be either YES or NO. 120098186Sgordon# 120198186Sgordon# The `action' keyword can be one of the following: 120298186Sgordon# 120398186Sgordon# add `file' is now being backed up (and is possibly 120498186Sgordon# being reentered into the backups system). `cur' 120598186Sgordon# is created and RCS files, if necessary, are 120698186Sgordon# created as well. 120798186Sgordon# 120898186Sgordon# update `file' has changed and needs to be backed up. 120998186Sgordon# If `cur' exists, it is copied to to `back' or 121098186Sgordon# checked into RCS (if the repository file is old), 121198186Sgordon# and then `file' is copied to `cur'. Another RCS 121298186Sgordon# check in done here if RCS is being used. 121398186Sgordon# 121498186Sgordon# remove `file' is no longer being tracked by the backups 121598186Sgordon# system. If RCS is not being used, `cur' is moved 121698186Sgordon# to `back', otherwise an empty file is checked in, 121798186Sgordon# and then `cur' is removed. 121898186Sgordon# 121998186Sgordon# 122098186Sgordonbackup_file() 122198186Sgordon{ 122298186Sgordon _action=$1 122398186Sgordon _file=$2 122498186Sgordon _cur=$3 122598186Sgordon _back=$4 122698186Sgordon 122798186Sgordon if checkyesno backup_uses_rcs; then 122898186Sgordon _msg0="backup archive" 122998186Sgordon _msg1="update" 123098186Sgordon 123198186Sgordon # ensure that history file is not locked 123298186Sgordon if [ -f $_cur,v ]; then 123398186Sgordon rcs -q -u -U -M $_cur 123498186Sgordon fi 123598186Sgordon 123698186Sgordon # ensure after switching to rcs that the 123798186Sgordon # current backup is not lost 123898186Sgordon if [ -f $_cur ]; then 123998186Sgordon # no archive, or current newer than archive 124098186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 124198186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 124298186Sgordon rcs -q -kb -U $_cur 124398186Sgordon co -q -f -u $_cur 124498186Sgordon fi 124598186Sgordon fi 124698186Sgordon 124798186Sgordon case $_action in 124898186Sgordon add|update) 124998186Sgordon cp -p $_file $_cur 125098186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 125198186Sgordon rcs -q -kb -U $_cur 125298186Sgordon co -q -f -u $_cur 125398186Sgordon chown root:wheel $_cur $_cur,v 125498186Sgordon ;; 125598186Sgordon remove) 125698186Sgordon cp /dev/null $_cur 125798186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 125898186Sgordon rcs -q -kb -U $_cur 125998186Sgordon chown root:wheel $_cur $_cur,v 126098186Sgordon rm $_cur 126198186Sgordon ;; 126298186Sgordon esac 126398186Sgordon else 126498186Sgordon case $_action in 126598186Sgordon add|update) 126698186Sgordon if [ -f $_cur ]; then 126798186Sgordon cp -p $_cur $_back 126898186Sgordon fi 126998186Sgordon cp -p $_file $_cur 127098186Sgordon chown root:wheel $_cur 127198186Sgordon ;; 127298186Sgordon remove) 127398186Sgordon mv -f $_cur $_back 127498186Sgordon ;; 127598186Sgordon esac 127698186Sgordon fi 127798186Sgordon} 1278119166Smtm 1279123344Smtm# make_symlink src link 1280123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1281123344Smtm# directory in which link is to be created does not exist 1282123344Smtm# a warning will be displayed and an error will be returned. 1283123344Smtm# Returns 0 on sucess, 1 otherwise. 1284119166Smtm# 1285123344Smtmmake_symlink() 1286119166Smtm{ 1287123344Smtm local src link linkdir _me 1288123344Smtm src="$1" 1289123344Smtm link="$2" 1290123344Smtm linkdir="`dirname $link`" 1291123344Smtm _me="make_symlink()" 1292119166Smtm 1293123344Smtm if [ -z "$src" -o -z "$link" ]; then 1294123344Smtm warn "$_me: requires two arguments." 1295119166Smtm return 1 1296119166Smtm fi 1297123344Smtm if [ ! -d "$linkdir" ]; then 1298160667Syar warn "$_me: the directory $linkdir does not exist." 1299119166Smtm return 1 1300119166Smtm fi 1301146490Sschweikh if ! ln -sf $src $link; then 1302123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1303119166Smtm return 1 1304119166Smtm fi 1305119166Smtm return 0 1306119166Smtm} 1307119166Smtm 1308119166Smtm# devfs_rulesets_from_file file 1309119166Smtm# Reads a set of devfs commands from file, and creates 1310119166Smtm# the specified rulesets with their rules. Returns non-zero 1311119166Smtm# if there was an error. 1312119166Smtm# 1313119166Smtmdevfs_rulesets_from_file() 1314119166Smtm{ 1315119166Smtm local file _err _me 1316119166Smtm file="$1" 1317119166Smtm _me="devfs_rulesets_from_file" 1318119166Smtm _err=0 1319119166Smtm 1320119166Smtm if [ -z "$file" ]; then 1321119166Smtm warn "$_me: you must specify a file" 1322119166Smtm return 1 1323119166Smtm fi 1324119166Smtm if [ ! -e "$file" ]; then 1325119166Smtm debug "$_me: no such file ($file)" 1326119166Smtm return 0 1327119166Smtm fi 1328119166Smtm debug "reading rulesets from file ($file)" 1329119166Smtm { while read line 1330119166Smtm do 1331119166Smtm case $line in 1332119166Smtm \#*) 1333119166Smtm continue 1334119166Smtm ;; 1335119166Smtm \[*\]*) 1336119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1337119166Smtm if [ -z "$rulenum" ]; then 1338119166Smtm warn "$_me: cannot extract rule number ($line)" 1339119166Smtm _err=1 1340119166Smtm break 1341119166Smtm fi 1342119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1343119166Smtm if [ -z "$rulename" ]; then 1344119166Smtm warn "$_me: cannot extract rule name ($line)" 1345119166Smtm _err=1 1346119166Smtm break; 1347119166Smtm fi 1348119166Smtm eval $rulename=\$rulenum 1349119166Smtm debug "found ruleset: $rulename=$rulenum" 1350146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1351119166Smtm _err=1 1352119166Smtm break 1353119166Smtm fi 1354119166Smtm ;; 1355119166Smtm *) 1356119166Smtm rulecmd="${line%%"\#*"}" 1357119166Smtm # evaluate the command incase it includes 1358119166Smtm # other rules 1359119166Smtm if [ -n "$rulecmd" ]; then 1360119166Smtm debug "adding rule ($rulecmd)" 1361119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1362119166Smtm then 1363119166Smtm _err=1 1364119166Smtm break 1365119166Smtm fi 1366119166Smtm fi 1367119166Smtm ;; 1368119166Smtm esac 1369119166Smtm if [ $_err -ne 0 ]; then 1370119166Smtm debug "error in $_me" 1371119166Smtm break 1372119166Smtm fi 1373119166Smtm done } < $file 1374119166Smtm return $_err 1375119166Smtm} 1376119166Smtm 1377119166Smtm# devfs_init_rulesets 1378119166Smtm# Initializes rulesets from configuration files. Returns 1379119166Smtm# non-zero if there was an error. 1380119166Smtm# 1381119166Smtmdevfs_init_rulesets() 1382119166Smtm{ 1383119166Smtm local file _me 1384119166Smtm _me="devfs_init_rulesets" 1385119166Smtm 1386119166Smtm # Go through this only once 1387119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1388119166Smtm debug "$_me: devfs rulesets already initialized" 1389119166Smtm return 1390119166Smtm fi 1391146490Sschweikh for file in $devfs_rulesets; do 1392217090Sjh if ! devfs_rulesets_from_file $file; then 1393217090Sjh warn "$_me: could not read rules from $file" 1394217090Sjh return 1 1395217090Sjh fi 1396119166Smtm done 1397119166Smtm devfs_rulesets_init=1 1398119166Smtm debug "$_me: devfs rulesets initialized" 1399119166Smtm return 0 1400119166Smtm} 1401119166Smtm 1402119166Smtm# devfs_set_ruleset ruleset [dir] 1403151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1404119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1405119166Smtm# Returns non-zero if it could not set it successfully. 1406119166Smtm# 1407119166Smtmdevfs_set_ruleset() 1408119166Smtm{ 1409119166Smtm local devdir rs _me 1410119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1411119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1412119166Smtm _me="devfs_set_ruleset" 1413119166Smtm 1414119166Smtm if [ -z "$rs" ]; then 1415119166Smtm warn "$_me: you must specify a ruleset number" 1416119166Smtm return 1 1417119166Smtm fi 1418119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1419146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1420119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1421119166Smtm return 1 1422119166Smtm fi 1423119166Smtm return 0 1424119166Smtm} 1425119166Smtm 1426119166Smtm# devfs_apply_ruleset ruleset [dir] 1427119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1428119166Smtm# The ruleset argument must be a ruleset name as specified 1429119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1430119166Smtm# if it could not apply the ruleset. 1431119166Smtm# 1432119166Smtmdevfs_apply_ruleset() 1433119166Smtm{ 1434119166Smtm local devdir rs _me 1435119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1436119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1437119166Smtm _me="devfs_apply_ruleset" 1438119166Smtm 1439119166Smtm if [ -z "$rs" ]; then 1440119166Smtm warn "$_me: you must specify a ruleset" 1441119166Smtm return 1 1442119166Smtm fi 1443119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1444146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1445119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1446119166Smtm return 1 1447119166Smtm fi 1448119166Smtm return 0 1449119166Smtm} 1450119166Smtm 1451119166Smtm# devfs_domount dir [ruleset] 1452119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1453119166Smtm# on the mount-point. It must also be a ruleset name as specified 1454119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1455119166Smtm# 1456119166Smtmdevfs_domount() 1457119166Smtm{ 1458119166Smtm local devdir rs _me 1459119166Smtm devdir="$1" 1460119166Smtm [ -n "$2" ] && rs=$2 || rs= 1461119166Smtm _me="devfs_domount()" 1462119166Smtm 1463119166Smtm if [ -z "$devdir" ]; then 1464119166Smtm warn "$_me: you must specify a mount-point" 1465119166Smtm return 1 1466119166Smtm fi 1467119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1468146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1469119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1470119166Smtm return 1 1471119166Smtm fi 1472119166Smtm if [ -n "$rs" ]; then 1473119166Smtm devfs_init_rulesets 1474119166Smtm devfs_set_ruleset $rs $devdir 1475124797Scperciva devfs -m $devdir rule applyset 1476119166Smtm fi 1477119166Smtm return 0 1478119166Smtm} 1479119166Smtm 1480119166Smtm# devfs_mount_jail dir [ruleset] 1481119166Smtm# Mounts a devfs file system appropriate for jails 1482119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1483119166Smtm# it names will be used instead. If present, ruleset must 1484119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1485119166Smtm# This function returns non-zero if an error occurs. 1486119166Smtm# 1487119166Smtmdevfs_mount_jail() 1488119166Smtm{ 1489119166Smtm local jdev rs _me 1490119166Smtm jdev="$1" 1491119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1492119166Smtm _me="devfs_mount_jail" 1493119166Smtm 1494119166Smtm devfs_init_rulesets 1495146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1496119166Smtm warn "$_me: devfs was not mounted on $jdev" 1497119166Smtm return 1 1498119166Smtm fi 1499119166Smtm return 0 1500119166Smtm} 1501127345Sbrooks 1502127345Sbrooks# Provide a function for normalizing the mounting of memory 1503127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1504127345Sbrooks# as close as possible between 5-current and 4-stable. 1505127345Sbrooks# $1 = size 1506127345Sbrooks# $2 = mount point 1507137451Skeramida# $3 = (optional) extra mdmfs flags 1508146490Sschweikhmount_md() 1509146490Sschweikh{ 1510127345Sbrooks if [ -n "$3" ]; then 1511137451Skeramida flags="$3" 1512127345Sbrooks fi 1513149421Syar /sbin/mdmfs $flags -s $1 md $2 1514127345Sbrooks} 1515131550Scperciva 1516159828Syar# Code common to scripts that need to load a kernel module 1517159828Syar# if it isn't in the kernel yet. Syntax: 1518160666Syar# load_kld [-e regex] [-m module] file 1519159828Syar# where -e or -m chooses the way to check if the module 1520159828Syar# is already loaded: 1521160666Syar# regex is egrep'd in the output from `kldstat -v', 1522160666Syar# module is passed to `kldstat -m'. 1523160666Syar# The default way is as though `-m file' were specified. 1524159828Syarload_kld() 1525159828Syar{ 1526159828Syar local _loaded _mod _opt _re 1527159828Syar 1528159828Syar while getopts "e:m:" _opt; do 1529159828Syar case "$_opt" in 1530159828Syar e) _re="$OPTARG" ;; 1531159828Syar m) _mod="$OPTARG" ;; 1532160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1533159828Syar esac 1534159828Syar done 1535159828Syar shift $(($OPTIND - 1)) 1536160666Syar if [ $# -ne 1 ]; then 1537160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1538160666Syar fi 1539159828Syar _mod=${_mod:-$1} 1540159828Syar _loaded=false 1541159828Syar if [ -n "$_re" ]; then 1542159828Syar if kldstat -v | egrep -q -e "$_re"; then 1543159828Syar _loaded=true 1544159828Syar fi 1545159828Syar else 1546159828Syar if kldstat -q -m "$_mod"; then 1547159828Syar _loaded=true 1548159828Syar fi 1549159828Syar fi 1550159828Syar if ! $_loaded; then 1551159828Syar if ! kldload "$1"; then 1552159828Syar warn "Unable to load kernel module $1" 1553159828Syar return 1 1554160666Syar else 1555160666Syar info "$1 kernel module loaded." 1556159828Syar fi 1557160666Syar else 1558160666Syar debug "load_kld: $1 kernel module already loaded." 1559159828Syar fi 1560159828Syar return 0 1561159828Syar} 1562159828Syar 1563149049Spjd# ltr str src dst 1564149049Spjd# Change every $src in $str to $dst. 1565149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1566149049Spjd# awk(1). 1567149049Spjdltr() 1568149049Spjd{ 1569149049Spjd local _str _src _dst _out _com 1570149049Spjd _str=$1 1571149049Spjd _src=$2 1572149049Spjd _dst=$3 1573149049Spjd _out="" 1574149049Spjd 1575149049Spjd IFS=${_src} 1576149049Spjd for _com in ${_str}; do 1577149049Spjd if [ -z "${_out}" ]; then 1578149049Spjd _out="${_com}" 1579149049Spjd else 1580149049Spjd _out="${_out}${_dst}${_com}" 1581149049Spjd fi 1582149049Spjd done 1583149049Spjd echo "${_out}" 1584149049Spjd} 1585149049Spjd 1586149050Spjd# Creates a list of providers for GELI encryption. 1587149050Spjdgeli_make_list() 1588149050Spjd{ 1589149050Spjd local devices devices2 1590149050Spjd local provider mountpoint type options rest 1591149050Spjd 1592149050Spjd # Create list of GELI providers from fstab. 1593149050Spjd while read provider mountpoint type options rest ; do 1594155570Sflz case ":${options}" in 1595155570Sflz :*noauto*) 1596155570Sflz noauto=yes 1597155570Sflz ;; 1598155570Sflz *) 1599155570Sflz noauto=no 1600155570Sflz ;; 1601155570Sflz esac 1602155570Sflz 1603149050Spjd case ":${provider}" in 1604149050Spjd :#*) 1605149050Spjd continue 1606149050Spjd ;; 1607149050Spjd *.eli) 1608149050Spjd # Skip swap devices. 1609155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1610149050Spjd continue 1611149050Spjd fi 1612149050Spjd devices="${devices} ${provider}" 1613149050Spjd ;; 1614149050Spjd esac 1615149050Spjd done < /etc/fstab 1616149050Spjd 1617149050Spjd # Append providers from geli_devices. 1618149050Spjd devices="${devices} ${geli_devices}" 1619149050Spjd 1620149050Spjd for provider in ${devices}; do 1621149050Spjd provider=${provider%.eli} 1622149050Spjd provider=${provider#/dev/} 1623149050Spjd devices2="${devices2} ${provider}" 1624149050Spjd done 1625149050Spjd 1626149050Spjd echo ${devices2} 1627149050Spjd} 1628149050Spjd 1629153027Sdougb# Find scripts in local_startup directories that use the old syntax 1630153027Sdougb# 1631153027Sdougbfind_local_scripts_old () { 1632153027Sdougb zlist='' 1633153027Sdougb slist='' 1634153027Sdougb for dir in ${local_startup}; do 1635153027Sdougb if [ -d "${dir}" ]; then 1636153027Sdougb for file in ${dir}/[0-9]*.sh; do 1637153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1638153027Sdougb continue 1639153027Sdougb zlist="$zlist $file" 1640153027Sdougb done 1641153027Sdougb for file in ${dir}/[^0-9]*.sh; do 1642153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1643153027Sdougb continue 1644153027Sdougb slist="$slist $file" 1645153027Sdougb done 1646153027Sdougb fi 1647153027Sdougb done 1648153027Sdougb} 1649153027Sdougb 1650153027Sdougbfind_local_scripts_new () { 1651153027Sdougb local_rc='' 1652153027Sdougb for dir in ${local_startup}; do 1653153027Sdougb if [ -d "${dir}" ]; then 1654153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1655153027Sdougb case "$file" in 1656153027Sdougb *.sample) ;; 1657153027Sdougb *) if [ -x "$file" ]; then 1658153027Sdougb local_rc="${local_rc} ${file}" 1659153027Sdougb fi 1660153027Sdougb ;; 1661153027Sdougb esac 1662153027Sdougb done 1663153027Sdougb fi 1664153027Sdougb done 1665153027Sdougb} 1666153027Sdougb 1667165565Syar# check_required_{before|after} command 1668165565Syar# Check for things required by the command before and after its precmd, 1669165565Syar# respectively. The two separate functions are needed because some 1670165565Syar# conditions should prevent precmd from being run while other things 1671165565Syar# depend on precmd having already been run. 1672165565Syar# 1673165565Syarcheck_required_before() 1674165565Syar{ 1675165565Syar local _f 1676165565Syar 1677165565Syar case "$1" in 1678165565Syar start) 1679165565Syar for _f in $required_vars; do 1680165565Syar if ! checkyesno $_f; then 1681165565Syar warn "\$${_f} is not enabled." 1682165565Syar if [ -z "$rc_force" ]; then 1683165565Syar return 1 1684165565Syar fi 1685165565Syar fi 1686165565Syar done 1687165565Syar 1688165565Syar for _f in $required_dirs; do 1689165565Syar if [ ! -d "${_f}/." ]; then 1690165565Syar warn "${_f} is not a directory." 1691165565Syar if [ -z "$rc_force" ]; then 1692165565Syar return 1 1693165565Syar fi 1694165565Syar fi 1695165565Syar done 1696165565Syar 1697165565Syar for _f in $required_files; do 1698165565Syar if [ ! -r "${_f}" ]; then 1699165565Syar warn "${_f} is not readable." 1700165565Syar if [ -z "$rc_force" ]; then 1701165565Syar return 1 1702165565Syar fi 1703165565Syar fi 1704165565Syar done 1705165565Syar ;; 1706165565Syar esac 1707165565Syar 1708165565Syar return 0 1709165565Syar} 1710165565Syar 1711165565Syarcheck_required_after() 1712165565Syar{ 1713165565Syar local _f _args 1714165565Syar 1715165565Syar case "$1" in 1716165565Syar start) 1717165565Syar for _f in $required_modules; do 1718165565Syar case "${_f}" in 1719165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1720165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1721165565Syar *) _args="${_f}" ;; 1722165565Syar esac 1723165565Syar if ! load_kld ${_args}; then 1724165565Syar if [ -z "$rc_force" ]; then 1725165565Syar return 1 1726165565Syar fi 1727165565Syar fi 1728165565Syar done 1729165565Syar ;; 1730165565Syar esac 1731165565Syar 1732165565Syar return 0 1733165565Syar} 1734165565Syar 1735131550Scpercivafi 1736157841Sflz 1737197144Shrs# _echoonce var msg mode 1738197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1739197144Shrs# After doing echo, a string is set to ${$var}. 1740197144Shrs# 1741197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1742197144Shrs# 1743197144Shrs_echoonce() 1744197144Shrs{ 1745197144Shrs local _var _msg _mode 1746197144Shrs _var=`eval echo \\$$1` 1747197144Shrs _msg=$2 1748197144Shrs _mode=$3 1749197144Shrs 1750197144Shrs case $_mode in 1751197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1752197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1753197144Shrs esac 1754197144Shrs} 1755197144Shrs 1756157841Sflz_rc_subr_loaded=: 1757