rc.subr revision 242183
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 242183 2012-10-27 17:43:30Z crees $ 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 35169668Smtm: ${RC_PID:=$$}; export RC_PID 36157473Sflz 3778344Sobrien# 3898186Sgordon# Operating System dependent/independent variables 3998186Sgordon# 4098186Sgordon 41131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 42131550Scperciva 43131550Scperciva_rc_subr_loaded="YES" 44131550Scperciva 4598186SgordonSYSCTL="/sbin/sysctl" 4698186SgordonSYSCTL_N="${SYSCTL} -n" 47202988SemasteSYSCTL_W="${SYSCTL}" 48124832SmtmID="/usr/bin/id" 49124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 50161435SyarPS="/bin/ps -ww" 51161435SyarJID=`$PS -p $$ -o jid=` 5298186Sgordon 5398186Sgordon# 5478344Sobrien# functions 5578344Sobrien# --------- 5678344Sobrien 57197144Shrs# set_rcvar_obsolete oldvar [newvar] [msg] 58197144Shrs# Define obsolete variable. 59197144Shrs# Global variable $rcvars_obsolete is used. 6098186Sgordon# 61197144Shrsset_rcvar_obsolete() 62197144Shrs{ 63197144Shrs local _var 64197144Shrs _var=$1 65197144Shrs debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 66197144Shrs 67197144Shrs rcvars_obsolete="${rcvars_obsolete# } $1" 68197144Shrs eval ${1}_newvar=\"$2\" 69197144Shrs shift 2 70197144Shrs eval ${_var}_obsolete_msg=\"$*\" 71197144Shrs} 72197144Shrs 73197144Shrs# 74231667Sdougb# force_depend script [rcvar] 7598186Sgordon# Force a service to start. Intended for use by services 76231667Sdougb# to resolve dependency issues. 7798186Sgordon# $1 - filename of script, in /etc/rc.d, to run 78231667Sdougb# $2 - name of the script's rcvar (minus the _enable) 7998186Sgordon# 8098186Sgordonforce_depend() 8198186Sgordon{ 82231667Sdougb local _depend _dep_rcvar 83231667Sdougb 8498186Sgordon _depend="$1" 85231667Sdougb _dep_rcvar="${2:-$1}_enable" 8698186Sgordon 87231667Sdougb [ -n "$rc_fast" ] && ! checkyesno always_force_depends && 88231667Sdougb checkyesno $_dep_rcvar && return 0 89231667Sdougb 90231667Sdougb /etc/rc.d/${_depend} forcestatus >/dev/null 2>&1 && return 0 91231667Sdougb 9298186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 93146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 9498186Sgordon warn "Unable to force ${_depend}. It may already be running." 9598186Sgordon return 1 9698186Sgordon fi 9798186Sgordon} 9898186Sgordon 9998186Sgordon# 10078344Sobrien# checkyesno var 10178344Sobrien# Test $1 variable, and warn if not set to YES or NO. 10278344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 10378344Sobrien# 10478344Sobriencheckyesno() 10578344Sobrien{ 10678344Sobrien eval _value=\$${1} 10798186Sgordon debug "checkyesno: $1 is set to $_value." 10878344Sobrien case $_value in 10978344Sobrien 11078344Sobrien # "yes", "true", "on", or "1" 11178344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 11278344Sobrien return 0 11378344Sobrien ;; 11478344Sobrien 11578344Sobrien # "no", "false", "off", or "0" 11678344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 11778344Sobrien return 1 11878344Sobrien ;; 11978344Sobrien *) 120229822Sdougb warn "\$${1} is not set properly - see rc.conf(5)." 12178344Sobrien return 1 12278344Sobrien ;; 12378344Sobrien esac 12478344Sobrien} 12578344Sobrien 126157473Sflz# 12798186Sgordon# reverse_list list 12898186Sgordon# print the list in reverse order 12978344Sobrien# 13098186Sgordonreverse_list() 13198186Sgordon{ 13298186Sgordon _revlist= 133126286Smtm for _revfile; do 13498186Sgordon _revlist="$_revfile $_revlist" 13598186Sgordon done 13698186Sgordon echo $_revlist 13798186Sgordon} 13898186Sgordon 139169668Smtm# stop_boot always 140169668Smtm# If booting directly to multiuser or $always is enabled, 141169668Smtm# send SIGTERM to the parent (/etc/rc) to abort the boot. 142169668Smtm# Otherwise just exit. 14378344Sobrien# 144169668Smtmstop_boot() 145169668Smtm{ 146169668Smtm local always 147169668Smtm 148178776Smaxim case $1 in 149178776Smaxim # "yes", "true", "on", or "1" 150178770Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 151169668Smtm always=true 152178770Smtm ;; 153178770Smtm *) 154169668Smtm always=false 155178770Smtm ;; 156178775Smaxim esac 157169668Smtm if [ "$autoboot" = yes -o "$always" = true ]; then 158169668Smtm echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 159169668Smtm kill -TERM ${RC_PID} 160169668Smtm fi 161169668Smtm exit 1 162169668Smtm} 163169668Smtm 164169668Smtm# 16598186Sgordon# mount_critical_filesystems type 16698186Sgordon# Go through the list of critical filesystems as provided in 16798186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 16898186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 16998186Sgordon# 17078344Sobrienmount_critical_filesystems() 17178344Sobrien{ 17298186Sgordon eval _fslist=\$critical_filesystems_${1} 17378344Sobrien for _fs in $_fslist; do 17478344Sobrien mount | ( 175126285Smtm _ismounted=false 17678344Sobrien while read what _on on _type type; do 17778344Sobrien if [ $on = $_fs ]; then 178126285Smtm _ismounted=true 17978344Sobrien fi 18078344Sobrien done 181126285Smtm if $_ismounted; then 182126285Smtm : 183126285Smtm else 18478344Sobrien mount $_fs >/dev/null 2>&1 18578344Sobrien fi 18698186Sgordon ) 18778344Sobrien done 18878344Sobrien} 18978344Sobrien 19078344Sobrien# 19198186Sgordon# check_pidfile pidfile procname [interpreter] 19298186Sgordon# Parses the first line of pidfile for a PID, and ensures 19378344Sobrien# that the process is running and matches procname. 19498186Sgordon# Prints the matching PID upon success, nothing otherwise. 19598186Sgordon# interpreter is optional; see _find_processes() for details. 19678344Sobrien# 19778344Sobriencheck_pidfile() 19878344Sobrien{ 19978344Sobrien _pidfile=$1 20078344Sobrien _procname=$2 20198186Sgordon _interpreter=$3 20278344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 20398186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 20478344Sobrien fi 20578344Sobrien if [ ! -f $_pidfile ]; then 206131061Smtm debug "pid file ($_pidfile): not readable." 20778344Sobrien return 20878344Sobrien fi 20978344Sobrien read _pid _junk < $_pidfile 21078344Sobrien if [ -z "$_pid" ]; then 211139949Skeramida debug "pid file ($_pidfile): no pid in file." 21278344Sobrien return 21378344Sobrien fi 21498186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 21578344Sobrien} 21678344Sobrien 21778344Sobrien# 21898186Sgordon# check_process procname [interpreter] 21978344Sobrien# Ensures that a process (or processes) named procname is running. 22098186Sgordon# Prints a list of matching PIDs. 22198186Sgordon# interpreter is optional; see _find_processes() for details. 22278344Sobrien# 22378344Sobriencheck_process() 22478344Sobrien{ 22578344Sobrien _procname=$1 22698186Sgordon _interpreter=$2 22778344Sobrien if [ -z "$_procname" ]; then 22898186Sgordon err 3 'USAGE: check_process procname [interpreter]' 22978344Sobrien fi 23098186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 23198186Sgordon} 23298186Sgordon 23398186Sgordon# 23498186Sgordon# _find_processes procname interpreter psargs 23598186Sgordon# Search for procname in the output of ps generated by psargs. 23698186Sgordon# Prints the PIDs of any matching processes, space separated. 23798186Sgordon# 23898186Sgordon# If interpreter == ".", check the following variations of procname 23998186Sgordon# against the first word of each command: 24098186Sgordon# procname 24198186Sgordon# `basename procname` 24298186Sgordon# `basename procname` + ":" 24398186Sgordon# "(" + `basename procname` + ")" 244155719Sceri# "[" + `basename procname` + "]" 24598186Sgordon# 24698186Sgordon# If interpreter != ".", read the first line of procname, remove the 24798186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 24898186Sgordon# match that against each command, either as is, or with extra words 249157841Sflz# at the end. As an alternative, to deal with interpreted daemons 250157841Sflz# using perl, the basename of the interpreter plus a colon is also 251157841Sflz# tried as the prefix to procname. 25298186Sgordon# 25398186Sgordon_find_processes() 25498186Sgordon{ 25598186Sgordon if [ $# -ne 3 ]; then 25698186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 25798186Sgordon fi 25898186Sgordon _procname=$1 25998186Sgordon _interpreter=$2 26098186Sgordon _psargs=$3 26198186Sgordon 26278344Sobrien _pref= 26398186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 264242183Screes _script="${_chroot}${_chroot:+/}$_procname" 265242183Screes if [ -r "$_script" ]; then 266170282Syar read _interp < $_script # read interpreter name 267170282Syar case "$_interp" in 268170282Syar \#!*) 269170282Syar _interp=${_interp#\#!} # strip #! 270170282Syar set -- $_interp 271170282Syar case $1 in 272170282Syar */bin/env) 273170282Syar shift # drop env to get real name 274170282Syar ;; 275170282Syar esac 276170282Syar if [ $_interpreter != $1 ]; then 277170282Syar warn "\$command_interpreter $_interpreter != $1" 278170282Syar fi 279170282Syar ;; 280170282Syar *) 281170282Syar warn "no shebang line in $_script" 282170282Syar set -- $_interpreter 283170282Syar ;; 284170282Syar esac 285170282Syar else 286170282Syar warn "cannot read shebang line from $_script" 287170282Syar set -- $_interpreter 28878344Sobrien fi 28998186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 290157841Sflz _interpbn=${1##*/} 29198186Sgordon _fp_args='_argv' 29298186Sgordon _fp_match='case "$_argv" in 293157841Sflz ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 29498186Sgordon else # a normal daemon 29598186Sgordon _procnamebn=${_procname##*/} 29698186Sgordon _fp_args='_arg0 _argv' 29798186Sgordon _fp_match='case "$_arg0" in 298151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 29998186Sgordon fi 30098186Sgordon 301161435Syar _proccheck="\ 302161436Syar $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 303157657Sflz while read _npid _jid '"$_fp_args"'; do 304161436Syar '"$_fp_match"' 305157657Sflz if [ "$JID" -eq "$_jid" ]; 306157657Sflz then echo -n "$_pref$_npid"; 307157657Sflz _pref=" "; 308157657Sflz fi 30998186Sgordon ;; 31098186Sgordon esac 31198186Sgordon done' 31298186Sgordon 313114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 31498186Sgordon eval $_proccheck 31598186Sgordon} 31698186Sgordon 31798186Sgordon# 31898186Sgordon# wait_for_pids pid [pid ...] 31998186Sgordon# spins until none of the pids exist 32098186Sgordon# 32198186Sgordonwait_for_pids() 32298186Sgordon{ 323206248Sdougb local _list _prefix _nlist _j 324206248Sdougb 325126286Smtm _list="$@" 32698186Sgordon if [ -z "$_list" ]; then 32798186Sgordon return 32898186Sgordon fi 32998186Sgordon _prefix= 33098186Sgordon while true; do 33198186Sgordon _nlist=""; 33298186Sgordon for _j in $_list; do 33398186Sgordon if kill -0 $_j 2>/dev/null; then 33498186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 335206248Sdougb [ -n "$_prefix" ] && sleep 1 33698186Sgordon fi 33798186Sgordon done 33898186Sgordon if [ -z "$_nlist" ]; then 33998186Sgordon break 34078344Sobrien fi 34198186Sgordon _list=$_nlist 34298186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 34398186Sgordon _prefix=", " 344206248Sdougb pwait $_list 2>/dev/null 34578344Sobrien done 34698186Sgordon if [ -n "$_prefix" ]; then 34798186Sgordon echo "." 34898186Sgordon fi 34978344Sobrien} 35078344Sobrien 35178344Sobrien# 352220962Sdougb# get_pidfile_from_conf string file 353220962Sdougb# 354220962Sdougb# Takes a string to search for in the specified file. 355220962Sdougb# Ignores lines with traditional comment characters. 356220962Sdougb# 357220962Sdougb# Example: 358220962Sdougb# 359220962Sdougb# if get_pidfile_from_conf string file; then 360220962Sdougb# pidfile="$_pidfile_from_conf" 361220962Sdougb# else 362220962Sdougb# pidfile='appropriate default' 363220962Sdougb# fi 364220962Sdougb# 365220962Sdougbget_pidfile_from_conf() 366220962Sdougb{ 367220963Sdougb if [ -z "$1" -o -z "$2" ]; then 368220963Sdougb err 3 "USAGE: get_pidfile_from_conf string file ($name)" 369220963Sdougb fi 370220963Sdougb 371220962Sdougb local string file line 372220962Sdougb 373220962Sdougb string="$1" ; file="$2" 374220962Sdougb 375220963Sdougb if [ ! -s "$file" ]; then 376220963Sdougb err 3 "get_pidfile_from_conf: $file does not exist ($name)" 377220962Sdougb fi 378220962Sdougb 379220962Sdougb while read line; do 380220962Sdougb case "$line" in 381220962Sdougb *[#\;]*${string}*) continue ;; 382220962Sdougb *${string}*) break ;; 383220962Sdougb esac 384220962Sdougb done < $file 385220962Sdougb 386220962Sdougb if [ -n "$line" ]; then 387220962Sdougb line=${line#*/} 388220962Sdougb _pidfile_from_conf="/${line%%[\"\;]*}" 389220962Sdougb else 390220962Sdougb return 1 391220962Sdougb fi 392220962Sdougb} 393220962Sdougb 394220962Sdougb# 395197947Sdougb# check_startmsgs 396197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 397197947Sdougb# boot time) check if rc_startmsgs is enabled. 398197947Sdougb# 399197947Sdougbcheck_startmsgs() 400197947Sdougb{ 401197947Sdougb if [ -n "$rc_quiet" ]; then 402197947Sdougb checkyesno rc_startmsgs 403197947Sdougb else 404197947Sdougb return 0 405197947Sdougb fi 406197947Sdougb} 407197947Sdougb 408197947Sdougb# 40998186Sgordon# run_rc_command argument 41098186Sgordon# Search for argument in the list of supported commands, which is: 41198186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 41298186Sgordon# If there's a match, run ${argument}_cmd or the default method 41398186Sgordon# (see below). 41478344Sobrien# 41598186Sgordon# If argument has a given prefix, then change the operation as follows: 41698186Sgordon# Prefix Operation 41778344Sobrien# ------ --------- 418175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 41998186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 420126303Smtm# one Set ${rcvar} to YES 421175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 42278344Sobrien# 42378344Sobrien# The following globals are used: 42478344Sobrien# 42598186Sgordon# Name Needed Purpose 42698186Sgordon# ---- ------ ------- 42778344Sobrien# name y Name of script. 42878344Sobrien# 42978344Sobrien# command n Full path to command. 43098186Sgordon# Not needed if ${rc_arg}_cmd is set for 43178344Sobrien# each keyword. 43278344Sobrien# 43378344Sobrien# command_args n Optional args/shell directives for command. 43478344Sobrien# 43598186Sgordon# command_interpreter n If not empty, command is interpreted, so 43698186Sgordon# call check_{pidfile,process}() appropriately. 43798186Sgordon# 438197144Shrs# desc n Description of script. 439197144Shrs# 44078344Sobrien# extra_commands n List of extra commands supported. 44178344Sobrien# 44298186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 44398186Sgordon# otherwise use check_process $command. 44498186Sgordon# In either case, only check if $command is set. 44578344Sobrien# 44698186Sgordon# procname n Process name to check for instead of $command. 44798186Sgordon# 44878344Sobrien# rcvar n This is checked with checkyesno to determine 44978344Sobrien# if the action should be run. 45078344Sobrien# 451157653Sflz# ${name}_program n Full path to command. 452157653Sflz# Meant to be used in /etc/rc.conf to override 453157653Sflz# ${command}. 454157653Sflz# 45578344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 45698186Sgordon# Requires /usr to be mounted. 45778344Sobrien# 45878344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 45978344Sobrien# (if not using ${name}_chroot). 46078344Sobrien# 46178344Sobrien# ${name}_flags n Arguments to call ${command} with. 46278344Sobrien# NOTE: $flags from the parent environment 46378344Sobrien# can be used to override this. 46478344Sobrien# 46578344Sobrien# ${name}_nice n Nice level to run ${command} at. 46678344Sobrien# 46778344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 46878344Sobrien# using ${name}_chroot. 46998186Sgordon# Requires /usr to be mounted. 47078344Sobrien# 47178344Sobrien# ${name}_group n Group to run chrooted ${command} as. 47298186Sgordon# Requires /usr to be mounted. 47378344Sobrien# 47498186Sgordon# ${name}_groups n Comma separated list of supplementary groups 47598186Sgordon# to run the chrooted ${command} with. 47698186Sgordon# Requires /usr to be mounted. 47778344Sobrien# 47898186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 47978344Sobrien# Otherwise, use default command (see below) 48078344Sobrien# 48198186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 48298186Sgordon# ${rc_arg}_cmd method in the default 48398186Sgordon# operation (i.e, after checking for required 48498186Sgordon# bits and process (non)existence). 48578344Sobrien# If this completes with a non-zero exit code, 48698186Sgordon# don't run ${rc_arg}_cmd. 48778344Sobrien# 48898186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 48998186Sgordon# ${rc_arg}_cmd method, if that method 49098186Sgordon# returned a zero exit code. 49198186Sgordon# 49278344Sobrien# required_dirs n If set, check for the existence of the given 493165565Syar# directories before running a (re)start command. 49478344Sobrien# 49578344Sobrien# required_files n If set, check for the readability of the given 496165565Syar# files before running a (re)start command. 49778344Sobrien# 498165565Syar# required_modules n If set, ensure the given kernel modules are 499165565Syar# loaded before running a (re)start command. 500165565Syar# The check and possible loads are actually 501165565Syar# done after start_precmd so that the modules 502165565Syar# aren't loaded in vain, should the precmd 503165565Syar# return a non-zero status to indicate a error. 504165565Syar# If a word in the list looks like "foo:bar", 505165565Syar# "foo" is the KLD file name and "bar" is the 506165565Syar# module name. If a word looks like "foo~bar", 507165565Syar# "foo" is the KLD file name and "bar" is a 508165565Syar# egrep(1) pattern matching the module name. 509165565Syar# Otherwise the module name is assumed to be 510165565Syar# the same as the KLD file name, which is most 511165565Syar# common. See load_kld(). 512165565Syar# 51378344Sobrien# required_vars n If set, perform checkyesno on each of the 51478344Sobrien# listed variables before running the default 51578344Sobrien# (re)start command. 51678344Sobrien# 51798186Sgordon# Default behaviour for a given argument, if no override method is 51898186Sgordon# provided: 51978344Sobrien# 52098186Sgordon# Argument Default behaviour 52198186Sgordon# -------- ----------------- 52278344Sobrien# start if !running && checkyesno ${rcvar} 52378344Sobrien# ${command} 52478344Sobrien# 52578344Sobrien# stop if ${pidfile} 52698186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 52778344Sobrien# else 52898186Sgordon# rc_pid=$(check_process $command) 52998186Sgordon# kill $sig_stop $rc_pid 53098186Sgordon# wait_for_pids $rc_pid 53198186Sgordon# ($sig_stop defaults to TERM.) 53278344Sobrien# 53398186Sgordon# reload Similar to stop, except use $sig_reload instead, 53498186Sgordon# and doesn't wait_for_pids. 53578344Sobrien# $sig_reload defaults to HUP. 536151685Syar# Note that `reload' isn't provided by default, 537151685Syar# it should be enabled via $extra_commands. 53878344Sobrien# 53978344Sobrien# restart Run `stop' then `start'. 54078344Sobrien# 54198186Sgordon# status Show if ${command} is running, etc. 54278344Sobrien# 54398186Sgordon# poll Wait for ${command} to exit. 54498186Sgordon# 54598186Sgordon# rcvar Display what rc.conf variable is used (if any). 54698186Sgordon# 54798186Sgordon# Variables available to methods, and after run_rc_command() has 54898186Sgordon# completed: 54998186Sgordon# 55098186Sgordon# Variable Purpose 55198186Sgordon# -------- ------- 552126303Smtm# rc_arg Argument to command, after fast/force/one processing 55398186Sgordon# performed 55498186Sgordon# 55598186Sgordon# rc_flags Flags to start the default command with. 55698186Sgordon# Defaults to ${name}_flags, unless overridden 55798186Sgordon# by $flags from the environment. 55898186Sgordon# This variable may be changed by the precmd method. 55998186Sgordon# 56098186Sgordon# rc_pid PID of command (if appropriate) 56198186Sgordon# 56298186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 56398186Sgordon# 56498186Sgordon# rc_force Not empty if "force" was provided (q.v.) 56598186Sgordon# 566175676Smtm# rc_quiet Not empty if "quiet" was provided 56798186Sgordon# 568175676Smtm# 56978344Sobrienrun_rc_command() 57078344Sobrien{ 571116097Smtm _return=0 57298186Sgordon rc_arg=$1 57378344Sobrien if [ -z "$name" ]; then 57498186Sgordon err 3 'run_rc_command: $name is not set.' 57578344Sobrien fi 57678344Sobrien 577132892Smtm # Don't repeat the first argument when passing additional command- 578132892Smtm # line arguments to the command subroutines. 579132892Smtm # 580132892Smtm shift 1 581132892Smtm rc_extra_args="$*" 582132892Smtm 583126303Smtm _rc_prefix= 58498186Sgordon case "$rc_arg" in 58578344Sobrien fast*) # "fast" prefix; don't check pid 58698186Sgordon rc_arg=${rc_arg#fast} 58798186Sgordon rc_fast=yes 588175676Smtm rc_quiet=yes 58978344Sobrien ;; 590198216Sed force*) # "force" prefix; always run 59198186Sgordon rc_force=yes 592126303Smtm _rc_prefix=force 593126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 59478344Sobrien if [ -n "${rcvar}" ]; then 59578344Sobrien eval ${rcvar}=YES 59678344Sobrien fi 59778344Sobrien ;; 598126303Smtm one*) # "one" prefix; set ${rcvar}=yes 599126303Smtm _rc_prefix=one 600126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 601126303Smtm if [ -n "${rcvar}" ]; then 602126303Smtm eval ${rcvar}=YES 603126303Smtm fi 604126303Smtm ;; 605175676Smtm quiet*) # "quiet" prefix; omit some messages 606175676Smtm _rc_prefix=quiet 607175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 608175676Smtm rc_quiet=yes 609175676Smtm ;; 61078344Sobrien esac 61178344Sobrien 612161530Sflz eval _override_command=\$${name}_program 613198162Sdougb command=${_override_command:-$command} 614161530Sflz 61578344Sobrien _keywords="start stop restart rcvar $extra_commands" 61698186Sgordon rc_pid= 61778344Sobrien _pidcmd= 61898186Sgordon _procname=${procname:-${command}} 61998186Sgordon 620131135Smtm # setup pid check command 621131135Smtm if [ -n "$_procname" ]; then 62278344Sobrien if [ -n "$pidfile" ]; then 62398186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 62498186Sgordon else 62598186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 62678344Sobrien fi 62778344Sobrien if [ -n "$_pidcmd" ]; then 62898186Sgordon _keywords="${_keywords} status poll" 62978344Sobrien fi 63078344Sobrien fi 63178344Sobrien 63298186Sgordon if [ -z "$rc_arg" ]; then 633150796Syar rc_usage $_keywords 63478344Sobrien fi 63578344Sobrien 63678344Sobrien if [ -n "$flags" ]; then # allow override from environment 63798186Sgordon rc_flags=$flags 63878344Sobrien else 63998186Sgordon eval rc_flags=\$${name}_flags 64078344Sobrien fi 64198186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 64298186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 64398186Sgordon _group=\$${name}_group _groups=\$${name}_groups 64478344Sobrien 64598186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 646124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 64798186Sgordon unset _user 64898186Sgordon fi 64998186Sgordon fi 65098186Sgordon 651230374Sdougb [ -z "$autoboot" ] && eval $_pidcmd # determine the pid if necessary 652179870Smtm 653179870Smtm for _elem in $_keywords; do 654179870Smtm if [ "$_elem" != "$rc_arg" ]; then 655179870Smtm continue 656179870Smtm fi 657206686Sdougb # if ${rcvar} is set, $1 is not "rcvar" 658206686Sdougb # and ${rc_pid} is not set, then run 65978344Sobrien # checkyesno ${rcvar} 66078344Sobrien # and return if that failed 66178344Sobrien # 662220760Sdougb if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 663220760Sdougb [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 664179870Smtm if ! checkyesno ${rcvar}; then 665179870Smtm if [ -n "${rc_quiet}" ]; then 666179870Smtm return 0 667179870Smtm fi 668179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 669179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 670179870Smtm echo "instead of '${rc_arg}'." 671175676Smtm return 0 672175676Smtm fi 67378344Sobrien fi 67478344Sobrien 67578344Sobrien # if there's a custom ${XXX_cmd}, 67678344Sobrien # run that instead of the default 67778344Sobrien # 678165565Syar eval _cmd=\$${rc_arg}_cmd \ 679165565Syar _precmd=\$${rc_arg}_precmd \ 680165565Syar _postcmd=\$${rc_arg}_postcmd 681165565Syar 68278344Sobrien if [ -n "$_cmd" ]; then 683165565Syar _run_rc_precmd || return 1 684165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 685165565Syar _run_rc_postcmd 686116097Smtm return $_return 68778344Sobrien fi 68878344Sobrien 68998186Sgordon case "$rc_arg" in # default operations... 69078344Sobrien 69178344Sobrien status) 692165565Syar _run_rc_precmd || return 1 69398186Sgordon if [ -n "$rc_pid" ]; then 69498186Sgordon echo "${name} is running as pid $rc_pid." 69578344Sobrien else 69678344Sobrien echo "${name} is not running." 69778344Sobrien return 1 69878344Sobrien fi 699165565Syar _run_rc_postcmd 70078344Sobrien ;; 70178344Sobrien 70278344Sobrien start) 703131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 704157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 705153152Syar return 1 70678344Sobrien fi 70778344Sobrien 708242183Screes if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then 709160667Syar warn "run_rc_command: cannot run $command" 710153152Syar return 1 71178344Sobrien fi 71278344Sobrien 713179946Smtm if ! _run_rc_precmd; then 714179946Smtm warn "failed precmd routine for ${name}" 715179946Smtm return 1 716179946Smtm fi 71778344Sobrien 718160668Syar # setup the full command to run 71978344Sobrien # 720197947Sdougb check_startmsgs && echo "Starting ${name}." 72178344Sobrien if [ -n "$_chroot" ]; then 72278344Sobrien _doit="\ 72378344Sobrien${_nice:+nice -n $_nice }\ 72478344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 72598186Sgordon$_chroot $command $rc_flags $command_args" 72678344Sobrien else 72778344Sobrien _doit="\ 728161396Syar${_chdir:+cd $_chdir && }\ 72998186Sgordon$command $rc_flags $command_args" 73098186Sgordon if [ -n "$_user" ]; then 73198186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 73298186Sgordon fi 733161396Syar if [ -n "$_nice" ]; then 734161396Syar if [ -z "$_user" ]; then 735161396Syar _doit="sh -c \"$_doit\"" 736201036Sdougb fi 737161396Syar _doit="nice -n $_nice $_doit" 738161396Syar fi 73978344Sobrien fi 74098186Sgordon 741165565Syar # run the full command 74298186Sgordon # 743179946Smtm if ! _run_rc_doit "$_doit"; then 744179946Smtm warn "failed to start ${name}" 745179946Smtm return 1 746179946Smtm fi 74798186Sgordon 74898186Sgordon # finally, run postcmd 74998186Sgordon # 750165565Syar _run_rc_postcmd 75178344Sobrien ;; 75278344Sobrien 75378344Sobrien stop) 75498186Sgordon if [ -z "$rc_pid" ]; then 755153152Syar [ -n "$rc_fast" ] && return 0 756165565Syar _run_rc_notrunning 757153152Syar return 1 75878344Sobrien fi 75978344Sobrien 760165565Syar _run_rc_precmd || return 1 76198186Sgordon 76298186Sgordon # send the signal to stop 76398186Sgordon # 76478344Sobrien echo "Stopping ${name}." 765165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 766165565Syar _run_rc_doit "$_doit" || return 1 76798186Sgordon 76898186Sgordon # wait for the command to exit, 76998186Sgordon # and run postcmd. 77098186Sgordon wait_for_pids $rc_pid 771165565Syar 772165565Syar _run_rc_postcmd 77378344Sobrien ;; 77478344Sobrien 77578344Sobrien reload) 77698186Sgordon if [ -z "$rc_pid" ]; then 777165565Syar _run_rc_notrunning 778153152Syar return 1 77978344Sobrien fi 780165565Syar 781165565Syar _run_rc_precmd || return 1 782165565Syar 783165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 784165565Syar _run_rc_doit "$_doit" || return 1 785165565Syar 786165565Syar _run_rc_postcmd 78778344Sobrien ;; 78878344Sobrien 78978344Sobrien restart) 79078344Sobrien # prevent restart being called more 79178344Sobrien # than once by any given script 79278344Sobrien # 793126285Smtm if ${_rc_restart_done:-false}; then 79478344Sobrien return 0 79578344Sobrien fi 796126285Smtm _rc_restart_done=true 79778344Sobrien 798165565Syar _run_rc_precmd || return 1 799165565Syar 800165565Syar # run those in a subshell to keep global variables 801152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 802165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 803165565Syar _return=$? 804165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 80598186Sgordon 806165565Syar _run_rc_postcmd 80778344Sobrien ;; 80878344Sobrien 80998186Sgordon poll) 810165565Syar _run_rc_precmd || return 1 81198186Sgordon if [ -n "$rc_pid" ]; then 81298186Sgordon wait_for_pids $rc_pid 81398186Sgordon fi 814165565Syar _run_rc_postcmd 81598186Sgordon ;; 81698186Sgordon 81778344Sobrien rcvar) 818197144Shrs echo -n "# $name" 819197144Shrs if [ -n "$desc" ]; then 820197144Shrs echo " : $desc" 821197144Shrs else 822197144Shrs echo "" 823197144Shrs fi 824197144Shrs echo "#" 825230103Sdougb # Get unique vars in $rcvar 826230103Sdougb for _v in $rcvar; do 827197144Shrs case $v in 828197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 829197144Shrs *) v="${v# } $_v" ;; 830197144Shrs esac 831197144Shrs done 832197144Shrs 833197144Shrs # Display variables. 834197144Shrs for _v in $v; do 835197144Shrs if [ -z "$_v" ]; then 836197144Shrs continue 83778344Sobrien fi 838197144Shrs 839197144Shrs eval _desc=\$${_v}_desc 840197144Shrs eval _defval=\$${_v}_defval 841197144Shrs _h="-" 842197144Shrs 843197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 844197144Shrs # decode multiple lines of _desc 845197144Shrs while [ -n "$_desc" ]; do 846197144Shrs case $_desc in 847197144Shrs *^^*) 848197144Shrs echo "# $_h ${_desc%%^^*}" 849197144Shrs _desc=${_desc#*^^} 850197144Shrs _h=" " 851197144Shrs ;; 852197144Shrs *) 853197144Shrs echo "# $_h ${_desc}" 854197144Shrs break 855197144Shrs ;; 856197144Shrs esac 857197144Shrs done 858197144Shrs echo "# (default: \"$_defval\")" 859197144Shrs done 860197144Shrs echo "" 86178344Sobrien ;; 86278344Sobrien 86378344Sobrien *) 864150796Syar rc_usage $_keywords 86578344Sobrien ;; 86678344Sobrien 86778344Sobrien esac 868116097Smtm return $_return 86978344Sobrien done 87078344Sobrien 87198186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 872150796Syar rc_usage $_keywords 873153152Syar # not reached 87478344Sobrien} 87578344Sobrien 87678344Sobrien# 877165565Syar# Helper functions for run_rc_command: common code. 878165565Syar# They use such global variables besides the exported rc_* ones: 879165565Syar# 880165565Syar# name R/W 881165565Syar# ------------------ 882165565Syar# _precmd R 883165565Syar# _postcmd R 884165565Syar# _return W 885165565Syar# 886165565Syar_run_rc_precmd() 887165565Syar{ 888165565Syar check_required_before "$rc_arg" || return 1 889165565Syar 890165565Syar if [ -n "$_precmd" ]; then 891165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 892165565Syar eval "$_precmd $rc_extra_args" 893165565Syar _return=$? 894165565Syar 895165565Syar # If precmd failed and force isn't set, request exit. 896165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 897165565Syar return 1 898165565Syar fi 899165565Syar fi 900165565Syar 901165565Syar check_required_after "$rc_arg" || return 1 902165565Syar 903165565Syar return 0 904165565Syar} 905165565Syar 906165565Syar_run_rc_postcmd() 907165565Syar{ 908165565Syar if [ -n "$_postcmd" ]; then 909165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 910165565Syar eval "$_postcmd $rc_extra_args" 911165565Syar _return=$? 912165565Syar fi 913165565Syar return 0 914165565Syar} 915165565Syar 916165565Syar_run_rc_doit() 917165565Syar{ 918165565Syar debug "run_rc_command: doit: $*" 919165565Syar eval "$@" 920165565Syar _return=$? 921165565Syar 922165565Syar # If command failed and force isn't set, request exit. 923165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 924165565Syar return 1 925165565Syar fi 926165565Syar 927165565Syar return 0 928165565Syar} 929165565Syar 930165565Syar_run_rc_notrunning() 931165565Syar{ 932165565Syar local _pidmsg 933165565Syar 934165565Syar if [ -n "$pidfile" ]; then 935165565Syar _pidmsg=" (check $pidfile)." 936165565Syar else 937165565Syar _pidmsg= 938165565Syar fi 939165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 940165565Syar} 941165565Syar 942165565Syar_run_rc_killcmd() 943165565Syar{ 944165565Syar local _cmd 945165565Syar 946165565Syar _cmd="kill -$1 $rc_pid" 947165565Syar if [ -n "$_user" ]; then 948165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 949165565Syar fi 950165565Syar echo "$_cmd" 951165565Syar} 952165565Syar 953165565Syar# 95478344Sobrien# run_rc_script file arg 95578344Sobrien# Start the script `file' with `arg', and correctly handle the 956201038Sdougb# return value from the script. 957201038Sdougb# If `file' ends with `.sh', it's sourced into the current environment 958201038Sdougb# when $rc_fast_and_loose is set, otherwise it is run as a child process. 959201038Sdougb# If `file' appears to be a backup or scratch file, ignore it. 960201038Sdougb# Otherwise if it is executable run as a child process. 96178344Sobrien# 96278344Sobrienrun_rc_script() 96378344Sobrien{ 96478344Sobrien _file=$1 96578344Sobrien _arg=$2 96678344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 96778344Sobrien err 3 'USAGE: run_rc_script file arg' 96878344Sobrien fi 96978344Sobrien 97098186Sgordon unset name command command_args command_interpreter \ 97198186Sgordon extra_commands pidfile procname \ 972230103Sdougb rcvar rcvars_obsolete required_dirs required_files \ 973197144Shrs required_vars 97498186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 97598186Sgordon 97678344Sobrien case "$_file" in 977193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 978193118Sdougb warn "Ignoring old-style startup script $_file" 97978344Sobrien ;; 980153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 98198186Sgordon warn "Ignoring scratch file $_file" 98298186Sgordon ;; 98378344Sobrien *) # run in subshell 98498186Sgordon if [ -x $_file ]; then 98598186Sgordon if [ -n "$rc_fast_and_loose" ]; then 986146490Sschweikh set $_arg; . $_file 98798186Sgordon else 988231888Sdelphij ( trap "echo Script $_file interrupted >&2 ; kill -QUIT $$" 3 989231888Sdelphij trap "echo Script $_file interrupted >&2 ; exit 1" 2 990231888Sdelphij trap "echo Script $_file running >&2" 29 991146490Sschweikh set $_arg; . $_file ) 99298186Sgordon fi 99398186Sgordon fi 99478344Sobrien ;; 99578344Sobrien esac 99678344Sobrien} 99778344Sobrien 99878344Sobrien# 999157653Sflz# load_rc_config name 1000157653Sflz# Source in the configuration file for a given name. 100178344Sobrien# 100278344Sobrienload_rc_config() 100378344Sobrien{ 1004230103Sdougb local _name _rcvar_val _var _defval _v _msg _new 1005157653Sflz _name=$1 1006157653Sflz if [ -z "$_name" ]; then 1007157653Sflz err 3 'USAGE: load_rc_config name' 100878344Sobrien fi 100978344Sobrien 1010219612Sdougb if ${_rc_conf_loaded:-false}; then 1011219612Sdougb : 1012219612Sdougb else 101398186Sgordon if [ -r /etc/defaults/rc.conf ]; then 101498186Sgordon debug "Sourcing /etc/defaults/rc.conf" 101598186Sgordon . /etc/defaults/rc.conf 101698186Sgordon source_rc_confs 101798186Sgordon elif [ -r /etc/rc.conf ]; then 101898186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 101998186Sgordon . /etc/rc.conf 102098186Sgordon fi 1021126285Smtm _rc_conf_loaded=true 102298186Sgordon fi 1023161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1024157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1025161530Sflz . /etc/rc.conf.d/"$_name" 1026157653Sflz fi 1027179872Smtm 1028197144Shrs # Set defaults if defined. 1029230103Sdougb for _var in $rcvar; do 1030223227Sjilles eval _defval=\$${_var}_defval 1031197144Shrs if [ -n "$_defval" ]; then 1032197144Shrs eval : \${$_var:=\$${_var}_defval} 1033197144Shrs fi 1034197144Shrs done 1035197144Shrs 1036197144Shrs # check obsolete rc.conf variables 1037197144Shrs for _var in $rcvars_obsolete; do 1038223227Sjilles eval _v=\$$_var 1039223227Sjilles eval _msg=\$${_var}_obsolete_msg 1040223227Sjilles eval _new=\$${_var}_newvar 1041197144Shrs case $_v in 1042197144Shrs "") 1043197144Shrs ;; 1044197144Shrs *) 1045197144Shrs if [ -z "$_new" ]; then 1046197144Shrs _msg="Ignored." 1047197144Shrs else 1048197144Shrs eval $_new=\"\$$_var\" 1049197144Shrs if [ -z "$_msg" ]; then 1050197144Shrs _msg="Use \$$_new instead." 1051197144Shrs fi 1052197144Shrs fi 1053197144Shrs warn "\$$_var is obsolete. $_msg" 1054197144Shrs ;; 1055197144Shrs esac 1056197144Shrs done 105778344Sobrien} 1058201036Sdougb 1059157473Sflz# 1060157653Sflz# load_rc_config_var name var 1061157653Sflz# Read the rc.conf(5) var for name and set in the 1062157473Sflz# current shell, using load_rc_config in a subshell to prevent 1063157473Sflz# unwanted side effects from other variable assignments. 1064157473Sflz# 1065157473Sflzload_rc_config_var() 1066157473Sflz{ 1067157473Sflz if [ $# -ne 2 ]; then 1068157653Sflz err 3 'USAGE: load_rc_config_var name var' 1069157473Sflz fi 1070157473Sflz eval $(eval '( 1071157473Sflz load_rc_config '$1' >/dev/null; 1072157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1073157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1074157473Sflz fi 1075157473Sflz )' ) 1076157473Sflz} 107778344Sobrien 107878344Sobrien# 107978344Sobrien# rc_usage commands 108078344Sobrien# Print a usage string for $0, with `commands' being a list of 108178344Sobrien# valid commands. 108278344Sobrien# 108378344Sobrienrc_usage() 108478344Sobrien{ 1085230007Srea echo -n 1>&2 "Usage: $0 [fast|force|one|quiet](" 108678344Sobrien 108778344Sobrien _sep= 1088126286Smtm for _elem; do 108978344Sobrien echo -n 1>&2 "$_sep$_elem" 109078344Sobrien _sep="|" 109178344Sobrien done 109278344Sobrien echo 1>&2 ")" 109378344Sobrien exit 1 109478344Sobrien} 109578344Sobrien 109678344Sobrien# 109778344Sobrien# err exitval message 109878344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 109978344Sobrien# 110078344Sobrienerr() 110178344Sobrien{ 110278344Sobrien exitval=$1 110378344Sobrien shift 110478344Sobrien 1105106643Sgordon if [ -x /usr/bin/logger ]; then 1106106643Sgordon logger "$0: ERROR: $*" 1107106643Sgordon fi 1108106643Sgordon echo 1>&2 "$0: ERROR: $*" 110978344Sobrien exit $exitval 111078344Sobrien} 111178344Sobrien 111278344Sobrien# 111378344Sobrien# warn message 111478344Sobrien# Display message to stderr and log to the syslog. 111578344Sobrien# 111678344Sobrienwarn() 111778344Sobrien{ 1118106643Sgordon if [ -x /usr/bin/logger ]; then 1119106643Sgordon logger "$0: WARNING: $*" 1120106643Sgordon fi 1121106643Sgordon echo 1>&2 "$0: WARNING: $*" 112278344Sobrien} 112398186Sgordon 112498186Sgordon# 112598186Sgordon# info message 112698186Sgordon# Display informational message to stdout and log to syslog. 112798186Sgordon# 112898186Sgordoninfo() 112998186Sgordon{ 1130119170Smtm case ${rc_info} in 1131119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1132119170Smtm if [ -x /usr/bin/logger ]; then 1133119170Smtm logger "$0: INFO: $*" 1134119170Smtm fi 1135119170Smtm echo "$0: INFO: $*" 1136119170Smtm ;; 1137119170Smtm esac 113898186Sgordon} 113998186Sgordon 114098186Sgordon# 114198186Sgordon# debug message 1142106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 114398186Sgordon# BEWARE that you don't call any subroutine that itself calls this 114498186Sgordon# function. 114598186Sgordon# 114698186Sgordondebug() 114798186Sgordon{ 114898186Sgordon case ${rc_debug} in 114998186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1150106700Sgordon if [ -x /usr/bin/logger ]; then 1151162947Syar logger "$0: DEBUG: $*" 1152106700Sgordon fi 1153146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 115498186Sgordon ;; 115598186Sgordon esac 115698186Sgordon} 115798186Sgordon 115898186Sgordon# 115998186Sgordon# backup_file action file cur backup 116098186Sgordon# Make a backup copy of `file' into `cur', and save the previous 116198186Sgordon# version of `cur' as `backup' or use rcs for archiving. 116298186Sgordon# 116398186Sgordon# This routine checks the value of the backup_uses_rcs variable, 116498186Sgordon# which can be either YES or NO. 116598186Sgordon# 116698186Sgordon# The `action' keyword can be one of the following: 116798186Sgordon# 116898186Sgordon# add `file' is now being backed up (and is possibly 116998186Sgordon# being reentered into the backups system). `cur' 117098186Sgordon# is created and RCS files, if necessary, are 117198186Sgordon# created as well. 117298186Sgordon# 117398186Sgordon# update `file' has changed and needs to be backed up. 117498186Sgordon# If `cur' exists, it is copied to to `back' or 117598186Sgordon# checked into RCS (if the repository file is old), 117698186Sgordon# and then `file' is copied to `cur'. Another RCS 117798186Sgordon# check in done here if RCS is being used. 117898186Sgordon# 117998186Sgordon# remove `file' is no longer being tracked by the backups 118098186Sgordon# system. If RCS is not being used, `cur' is moved 118198186Sgordon# to `back', otherwise an empty file is checked in, 118298186Sgordon# and then `cur' is removed. 118398186Sgordon# 118498186Sgordon# 118598186Sgordonbackup_file() 118698186Sgordon{ 118798186Sgordon _action=$1 118898186Sgordon _file=$2 118998186Sgordon _cur=$3 119098186Sgordon _back=$4 119198186Sgordon 119298186Sgordon if checkyesno backup_uses_rcs; then 119398186Sgordon _msg0="backup archive" 119498186Sgordon _msg1="update" 119598186Sgordon 119698186Sgordon # ensure that history file is not locked 119798186Sgordon if [ -f $_cur,v ]; then 119898186Sgordon rcs -q -u -U -M $_cur 119998186Sgordon fi 120098186Sgordon 120198186Sgordon # ensure after switching to rcs that the 120298186Sgordon # current backup is not lost 120398186Sgordon if [ -f $_cur ]; then 120498186Sgordon # no archive, or current newer than archive 120598186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 120698186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 120798186Sgordon rcs -q -kb -U $_cur 120898186Sgordon co -q -f -u $_cur 120998186Sgordon fi 121098186Sgordon fi 121198186Sgordon 121298186Sgordon case $_action in 121398186Sgordon add|update) 121498186Sgordon cp -p $_file $_cur 121598186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 121698186Sgordon rcs -q -kb -U $_cur 121798186Sgordon co -q -f -u $_cur 121898186Sgordon chown root:wheel $_cur $_cur,v 121998186Sgordon ;; 122098186Sgordon remove) 122198186Sgordon cp /dev/null $_cur 122298186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 122398186Sgordon rcs -q -kb -U $_cur 122498186Sgordon chown root:wheel $_cur $_cur,v 122598186Sgordon rm $_cur 122698186Sgordon ;; 122798186Sgordon esac 122898186Sgordon else 122998186Sgordon case $_action in 123098186Sgordon add|update) 123198186Sgordon if [ -f $_cur ]; then 123298186Sgordon cp -p $_cur $_back 123398186Sgordon fi 123498186Sgordon cp -p $_file $_cur 123598186Sgordon chown root:wheel $_cur 123698186Sgordon ;; 123798186Sgordon remove) 123898186Sgordon mv -f $_cur $_back 123998186Sgordon ;; 124098186Sgordon esac 124198186Sgordon fi 124298186Sgordon} 1243119166Smtm 1244123344Smtm# make_symlink src link 1245123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1246123344Smtm# directory in which link is to be created does not exist 1247123344Smtm# a warning will be displayed and an error will be returned. 1248229783Suqs# Returns 0 on success, 1 otherwise. 1249119166Smtm# 1250123344Smtmmake_symlink() 1251119166Smtm{ 1252123344Smtm local src link linkdir _me 1253123344Smtm src="$1" 1254123344Smtm link="$2" 1255123344Smtm linkdir="`dirname $link`" 1256123344Smtm _me="make_symlink()" 1257119166Smtm 1258123344Smtm if [ -z "$src" -o -z "$link" ]; then 1259123344Smtm warn "$_me: requires two arguments." 1260119166Smtm return 1 1261119166Smtm fi 1262123344Smtm if [ ! -d "$linkdir" ]; then 1263160667Syar warn "$_me: the directory $linkdir does not exist." 1264119166Smtm return 1 1265119166Smtm fi 1266146490Sschweikh if ! ln -sf $src $link; then 1267123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1268119166Smtm return 1 1269119166Smtm fi 1270119166Smtm return 0 1271119166Smtm} 1272119166Smtm 1273119166Smtm# devfs_rulesets_from_file file 1274119166Smtm# Reads a set of devfs commands from file, and creates 1275119166Smtm# the specified rulesets with their rules. Returns non-zero 1276119166Smtm# if there was an error. 1277119166Smtm# 1278119166Smtmdevfs_rulesets_from_file() 1279119166Smtm{ 1280119166Smtm local file _err _me 1281119166Smtm file="$1" 1282119166Smtm _me="devfs_rulesets_from_file" 1283119166Smtm _err=0 1284119166Smtm 1285119166Smtm if [ -z "$file" ]; then 1286119166Smtm warn "$_me: you must specify a file" 1287119166Smtm return 1 1288119166Smtm fi 1289119166Smtm if [ ! -e "$file" ]; then 1290119166Smtm debug "$_me: no such file ($file)" 1291119166Smtm return 0 1292119166Smtm fi 1293119166Smtm debug "reading rulesets from file ($file)" 1294119166Smtm { while read line 1295119166Smtm do 1296119166Smtm case $line in 1297119166Smtm \#*) 1298119166Smtm continue 1299119166Smtm ;; 1300119166Smtm \[*\]*) 1301119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1302119166Smtm if [ -z "$rulenum" ]; then 1303119166Smtm warn "$_me: cannot extract rule number ($line)" 1304119166Smtm _err=1 1305119166Smtm break 1306119166Smtm fi 1307119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1308119166Smtm if [ -z "$rulename" ]; then 1309119166Smtm warn "$_me: cannot extract rule name ($line)" 1310119166Smtm _err=1 1311119166Smtm break; 1312119166Smtm fi 1313119166Smtm eval $rulename=\$rulenum 1314119166Smtm debug "found ruleset: $rulename=$rulenum" 1315146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1316119166Smtm _err=1 1317119166Smtm break 1318119166Smtm fi 1319119166Smtm ;; 1320119166Smtm *) 1321119166Smtm rulecmd="${line%%"\#*"}" 1322119166Smtm # evaluate the command incase it includes 1323119166Smtm # other rules 1324119166Smtm if [ -n "$rulecmd" ]; then 1325119166Smtm debug "adding rule ($rulecmd)" 1326119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1327119166Smtm then 1328119166Smtm _err=1 1329119166Smtm break 1330119166Smtm fi 1331119166Smtm fi 1332119166Smtm ;; 1333119166Smtm esac 1334119166Smtm if [ $_err -ne 0 ]; then 1335119166Smtm debug "error in $_me" 1336119166Smtm break 1337119166Smtm fi 1338119166Smtm done } < $file 1339119166Smtm return $_err 1340119166Smtm} 1341119166Smtm 1342119166Smtm# devfs_init_rulesets 1343119166Smtm# Initializes rulesets from configuration files. Returns 1344119166Smtm# non-zero if there was an error. 1345119166Smtm# 1346119166Smtmdevfs_init_rulesets() 1347119166Smtm{ 1348119166Smtm local file _me 1349119166Smtm _me="devfs_init_rulesets" 1350119166Smtm 1351119166Smtm # Go through this only once 1352119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1353119166Smtm debug "$_me: devfs rulesets already initialized" 1354119166Smtm return 1355119166Smtm fi 1356146490Sschweikh for file in $devfs_rulesets; do 1357217090Sjh if ! devfs_rulesets_from_file $file; then 1358217090Sjh warn "$_me: could not read rules from $file" 1359217090Sjh return 1 1360217090Sjh fi 1361119166Smtm done 1362119166Smtm devfs_rulesets_init=1 1363119166Smtm debug "$_me: devfs rulesets initialized" 1364119166Smtm return 0 1365119166Smtm} 1366119166Smtm 1367119166Smtm# devfs_set_ruleset ruleset [dir] 1368151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1369119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1370119166Smtm# Returns non-zero if it could not set it successfully. 1371119166Smtm# 1372119166Smtmdevfs_set_ruleset() 1373119166Smtm{ 1374119166Smtm local devdir rs _me 1375119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1376119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1377119166Smtm _me="devfs_set_ruleset" 1378119166Smtm 1379119166Smtm if [ -z "$rs" ]; then 1380119166Smtm warn "$_me: you must specify a ruleset number" 1381119166Smtm return 1 1382119166Smtm fi 1383119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1384146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1385119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1386119166Smtm return 1 1387119166Smtm fi 1388119166Smtm return 0 1389119166Smtm} 1390119166Smtm 1391119166Smtm# devfs_apply_ruleset ruleset [dir] 1392119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1393119166Smtm# The ruleset argument must be a ruleset name as specified 1394119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1395119166Smtm# if it could not apply the ruleset. 1396119166Smtm# 1397119166Smtmdevfs_apply_ruleset() 1398119166Smtm{ 1399119166Smtm local devdir rs _me 1400119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1401119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1402119166Smtm _me="devfs_apply_ruleset" 1403119166Smtm 1404119166Smtm if [ -z "$rs" ]; then 1405119166Smtm warn "$_me: you must specify a ruleset" 1406119166Smtm return 1 1407119166Smtm fi 1408119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1409146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1410119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1411119166Smtm return 1 1412119166Smtm fi 1413119166Smtm return 0 1414119166Smtm} 1415119166Smtm 1416119166Smtm# devfs_domount dir [ruleset] 1417119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1418119166Smtm# on the mount-point. It must also be a ruleset name as specified 1419119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1420119166Smtm# 1421119166Smtmdevfs_domount() 1422119166Smtm{ 1423119166Smtm local devdir rs _me 1424119166Smtm devdir="$1" 1425119166Smtm [ -n "$2" ] && rs=$2 || rs= 1426119166Smtm _me="devfs_domount()" 1427119166Smtm 1428119166Smtm if [ -z "$devdir" ]; then 1429119166Smtm warn "$_me: you must specify a mount-point" 1430119166Smtm return 1 1431119166Smtm fi 1432119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1433146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1434119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1435119166Smtm return 1 1436119166Smtm fi 1437119166Smtm if [ -n "$rs" ]; then 1438119166Smtm devfs_init_rulesets 1439119166Smtm devfs_set_ruleset $rs $devdir 1440124797Scperciva devfs -m $devdir rule applyset 1441119166Smtm fi 1442119166Smtm return 0 1443119166Smtm} 1444119166Smtm 1445119166Smtm# devfs_mount_jail dir [ruleset] 1446119166Smtm# Mounts a devfs file system appropriate for jails 1447119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1448119166Smtm# it names will be used instead. If present, ruleset must 1449119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1450119166Smtm# This function returns non-zero if an error occurs. 1451119166Smtm# 1452119166Smtmdevfs_mount_jail() 1453119166Smtm{ 1454119166Smtm local jdev rs _me 1455119166Smtm jdev="$1" 1456119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1457119166Smtm _me="devfs_mount_jail" 1458119166Smtm 1459119166Smtm devfs_init_rulesets 1460146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1461119166Smtm warn "$_me: devfs was not mounted on $jdev" 1462119166Smtm return 1 1463119166Smtm fi 1464119166Smtm return 0 1465119166Smtm} 1466127345Sbrooks 1467127345Sbrooks# Provide a function for normalizing the mounting of memory 1468127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1469127345Sbrooks# as close as possible between 5-current and 4-stable. 1470127345Sbrooks# $1 = size 1471127345Sbrooks# $2 = mount point 1472137451Skeramida# $3 = (optional) extra mdmfs flags 1473146490Sschweikhmount_md() 1474146490Sschweikh{ 1475127345Sbrooks if [ -n "$3" ]; then 1476137451Skeramida flags="$3" 1477127345Sbrooks fi 1478149421Syar /sbin/mdmfs $flags -s $1 md $2 1479127345Sbrooks} 1480131550Scperciva 1481159828Syar# Code common to scripts that need to load a kernel module 1482159828Syar# if it isn't in the kernel yet. Syntax: 1483160666Syar# load_kld [-e regex] [-m module] file 1484159828Syar# where -e or -m chooses the way to check if the module 1485159828Syar# is already loaded: 1486160666Syar# regex is egrep'd in the output from `kldstat -v', 1487160666Syar# module is passed to `kldstat -m'. 1488160666Syar# The default way is as though `-m file' were specified. 1489159828Syarload_kld() 1490159828Syar{ 1491159828Syar local _loaded _mod _opt _re 1492159828Syar 1493159828Syar while getopts "e:m:" _opt; do 1494159828Syar case "$_opt" in 1495159828Syar e) _re="$OPTARG" ;; 1496159828Syar m) _mod="$OPTARG" ;; 1497160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1498159828Syar esac 1499159828Syar done 1500159828Syar shift $(($OPTIND - 1)) 1501160666Syar if [ $# -ne 1 ]; then 1502160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1503160666Syar fi 1504159828Syar _mod=${_mod:-$1} 1505159828Syar _loaded=false 1506159828Syar if [ -n "$_re" ]; then 1507159828Syar if kldstat -v | egrep -q -e "$_re"; then 1508159828Syar _loaded=true 1509159828Syar fi 1510159828Syar else 1511159828Syar if kldstat -q -m "$_mod"; then 1512159828Syar _loaded=true 1513159828Syar fi 1514159828Syar fi 1515159828Syar if ! $_loaded; then 1516159828Syar if ! kldload "$1"; then 1517159828Syar warn "Unable to load kernel module $1" 1518159828Syar return 1 1519160666Syar else 1520160666Syar info "$1 kernel module loaded." 1521159828Syar fi 1522160666Syar else 1523160666Syar debug "load_kld: $1 kernel module already loaded." 1524159828Syar fi 1525159828Syar return 0 1526159828Syar} 1527159828Syar 1528149049Spjd# ltr str src dst 1529149049Spjd# Change every $src in $str to $dst. 1530149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1531149049Spjd# awk(1). 1532149049Spjdltr() 1533149049Spjd{ 1534149049Spjd local _str _src _dst _out _com 1535149049Spjd _str=$1 1536149049Spjd _src=$2 1537149049Spjd _dst=$3 1538149049Spjd _out="" 1539149049Spjd 1540149049Spjd IFS=${_src} 1541149049Spjd for _com in ${_str}; do 1542149049Spjd if [ -z "${_out}" ]; then 1543149049Spjd _out="${_com}" 1544149049Spjd else 1545149049Spjd _out="${_out}${_dst}${_com}" 1546149049Spjd fi 1547149049Spjd done 1548149049Spjd echo "${_out}" 1549149049Spjd} 1550149049Spjd 1551149050Spjd# Creates a list of providers for GELI encryption. 1552149050Spjdgeli_make_list() 1553149050Spjd{ 1554149050Spjd local devices devices2 1555149050Spjd local provider mountpoint type options rest 1556149050Spjd 1557149050Spjd # Create list of GELI providers from fstab. 1558149050Spjd while read provider mountpoint type options rest ; do 1559155570Sflz case ":${options}" in 1560155570Sflz :*noauto*) 1561155570Sflz noauto=yes 1562155570Sflz ;; 1563155570Sflz *) 1564155570Sflz noauto=no 1565155570Sflz ;; 1566155570Sflz esac 1567155570Sflz 1568149050Spjd case ":${provider}" in 1569149050Spjd :#*) 1570149050Spjd continue 1571149050Spjd ;; 1572149050Spjd *.eli) 1573149050Spjd # Skip swap devices. 1574155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1575149050Spjd continue 1576149050Spjd fi 1577149050Spjd devices="${devices} ${provider}" 1578149050Spjd ;; 1579149050Spjd esac 1580149050Spjd done < /etc/fstab 1581149050Spjd 1582149050Spjd # Append providers from geli_devices. 1583149050Spjd devices="${devices} ${geli_devices}" 1584149050Spjd 1585149050Spjd for provider in ${devices}; do 1586149050Spjd provider=${provider%.eli} 1587149050Spjd provider=${provider#/dev/} 1588149050Spjd devices2="${devices2} ${provider}" 1589149050Spjd done 1590149050Spjd 1591149050Spjd echo ${devices2} 1592149050Spjd} 1593149050Spjd 1594153027Sdougb# Find scripts in local_startup directories that use the old syntax 1595153027Sdougb# 1596238416Skevlofind_local_scripts_old() { 1597153027Sdougb zlist='' 1598153027Sdougb slist='' 1599153027Sdougb for dir in ${local_startup}; do 1600153027Sdougb if [ -d "${dir}" ]; then 1601153027Sdougb for file in ${dir}/[0-9]*.sh; do 1602153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1603153027Sdougb continue 1604153027Sdougb zlist="$zlist $file" 1605153027Sdougb done 1606227366Sjilles for file in ${dir}/[!0-9]*.sh; do 1607153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1608153027Sdougb continue 1609153027Sdougb slist="$slist $file" 1610153027Sdougb done 1611153027Sdougb fi 1612153027Sdougb done 1613153027Sdougb} 1614153027Sdougb 1615238416Skevlofind_local_scripts_new() { 1616153027Sdougb local_rc='' 1617153027Sdougb for dir in ${local_startup}; do 1618153027Sdougb if [ -d "${dir}" ]; then 1619153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1620153027Sdougb case "$file" in 1621153027Sdougb *.sample) ;; 1622153027Sdougb *) if [ -x "$file" ]; then 1623153027Sdougb local_rc="${local_rc} ${file}" 1624153027Sdougb fi 1625153027Sdougb ;; 1626153027Sdougb esac 1627153027Sdougb done 1628153027Sdougb fi 1629153027Sdougb done 1630153027Sdougb} 1631153027Sdougb 1632165565Syar# check_required_{before|after} command 1633165565Syar# Check for things required by the command before and after its precmd, 1634165565Syar# respectively. The two separate functions are needed because some 1635165565Syar# conditions should prevent precmd from being run while other things 1636165565Syar# depend on precmd having already been run. 1637165565Syar# 1638165565Syarcheck_required_before() 1639165565Syar{ 1640165565Syar local _f 1641165565Syar 1642165565Syar case "$1" in 1643165565Syar start) 1644165565Syar for _f in $required_vars; do 1645165565Syar if ! checkyesno $_f; then 1646165565Syar warn "\$${_f} is not enabled." 1647165565Syar if [ -z "$rc_force" ]; then 1648165565Syar return 1 1649165565Syar fi 1650165565Syar fi 1651165565Syar done 1652165565Syar 1653165565Syar for _f in $required_dirs; do 1654165565Syar if [ ! -d "${_f}/." ]; then 1655165565Syar warn "${_f} is not a directory." 1656165565Syar if [ -z "$rc_force" ]; then 1657165565Syar return 1 1658165565Syar fi 1659165565Syar fi 1660165565Syar done 1661165565Syar 1662165565Syar for _f in $required_files; do 1663165565Syar if [ ! -r "${_f}" ]; then 1664165565Syar warn "${_f} is not readable." 1665165565Syar if [ -z "$rc_force" ]; then 1666165565Syar return 1 1667165565Syar fi 1668165565Syar fi 1669165565Syar done 1670165565Syar ;; 1671165565Syar esac 1672165565Syar 1673165565Syar return 0 1674165565Syar} 1675165565Syar 1676165565Syarcheck_required_after() 1677165565Syar{ 1678165565Syar local _f _args 1679165565Syar 1680165565Syar case "$1" in 1681165565Syar start) 1682165565Syar for _f in $required_modules; do 1683165565Syar case "${_f}" in 1684165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1685165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1686165565Syar *) _args="${_f}" ;; 1687165565Syar esac 1688165565Syar if ! load_kld ${_args}; then 1689165565Syar if [ -z "$rc_force" ]; then 1690165565Syar return 1 1691165565Syar fi 1692165565Syar fi 1693165565Syar done 1694165565Syar ;; 1695165565Syar esac 1696165565Syar 1697165565Syar return 0 1698165565Syar} 1699165565Syar 1700222996Shrs# check_kern_features mib 1701222996Shrs# Return existence of kern.features.* sysctl MIB as true or 1702222996Shrs# false. The result will be cached in $_rc_cache_kern_features_ 1703222996Shrs# namespace. "0" means the kern.features.X exists. 1704222996Shrs 1705222996Shrscheck_kern_features() 1706222996Shrs{ 1707222996Shrs local _v 1708222996Shrs 1709222996Shrs [ -n "$1" ] || return 1; 1710223292Sjilles eval _v=\$_rc_cache_kern_features_$1 1711222996Shrs [ -n "$_v" ] && return "$_v"; 1712222996Shrs 1713222996Shrs if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then 1714222996Shrs eval _rc_cache_kern_features_$1=0 1715222996Shrs return 0 1716222996Shrs else 1717222996Shrs eval _rc_cache_kern_features_$1=1 1718222996Shrs return 1 1719222996Shrs fi 1720222996Shrs} 1721222996Shrs 1722197144Shrs# _echoonce var msg mode 1723197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1724197144Shrs# After doing echo, a string is set to ${$var}. 1725197144Shrs# 1726197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1727197144Shrs# 1728197144Shrs_echoonce() 1729197144Shrs{ 1730197144Shrs local _var _msg _mode 1731223227Sjilles eval _var=\$$1 1732197144Shrs _msg=$2 1733197144Shrs _mode=$3 1734197144Shrs 1735197144Shrs case $_mode in 1736197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1737197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1738197144Shrs esac 1739197144Shrs} 1740197144Shrs 1741223298Sjillesfi # [ -z "${_rc_subr_loaded}" ] 1742223298Sjilles 1743157841Sflz_rc_subr_loaded=: 1744