rc.subr revision 229783
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 229783 2012-01-07 16:10:32Z uqs $ 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{ 402220963Sdougb if [ -z "$1" -o -z "$2" ]; then 403220963Sdougb err 3 "USAGE: get_pidfile_from_conf string file ($name)" 404220963Sdougb fi 405220963Sdougb 406220962Sdougb local string file line 407220962Sdougb 408220962Sdougb string="$1" ; file="$2" 409220962Sdougb 410220963Sdougb if [ ! -s "$file" ]; then 411220963Sdougb err 3 "get_pidfile_from_conf: $file does not exist ($name)" 412220962Sdougb fi 413220962Sdougb 414220962Sdougb while read line; do 415220962Sdougb case "$line" in 416220962Sdougb *[#\;]*${string}*) continue ;; 417220962Sdougb *${string}*) break ;; 418220962Sdougb esac 419220962Sdougb done < $file 420220962Sdougb 421220962Sdougb if [ -n "$line" ]; then 422220962Sdougb line=${line#*/} 423220962Sdougb _pidfile_from_conf="/${line%%[\"\;]*}" 424220962Sdougb else 425220962Sdougb return 1 426220962Sdougb fi 427220962Sdougb} 428220962Sdougb 429220962Sdougb# 430197947Sdougb# check_startmsgs 431197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 432197947Sdougb# boot time) check if rc_startmsgs is enabled. 433197947Sdougb# 434197947Sdougbcheck_startmsgs() 435197947Sdougb{ 436197947Sdougb if [ -n "$rc_quiet" ]; then 437197947Sdougb checkyesno rc_startmsgs 438197947Sdougb else 439197947Sdougb return 0 440197947Sdougb fi 441197947Sdougb} 442197947Sdougb 443197947Sdougb# 44498186Sgordon# run_rc_command argument 44598186Sgordon# Search for argument in the list of supported commands, which is: 44698186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 44798186Sgordon# If there's a match, run ${argument}_cmd or the default method 44898186Sgordon# (see below). 44978344Sobrien# 45098186Sgordon# If argument has a given prefix, then change the operation as follows: 45198186Sgordon# Prefix Operation 45278344Sobrien# ------ --------- 453175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 45498186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 455126303Smtm# one Set ${rcvar} to YES 456175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 45778344Sobrien# 45878344Sobrien# The following globals are used: 45978344Sobrien# 46098186Sgordon# Name Needed Purpose 46198186Sgordon# ---- ------ ------- 46278344Sobrien# name y Name of script. 46378344Sobrien# 46478344Sobrien# command n Full path to command. 46598186Sgordon# Not needed if ${rc_arg}_cmd is set for 46678344Sobrien# each keyword. 46778344Sobrien# 46878344Sobrien# command_args n Optional args/shell directives for command. 46978344Sobrien# 47098186Sgordon# command_interpreter n If not empty, command is interpreted, so 47198186Sgordon# call check_{pidfile,process}() appropriately. 47298186Sgordon# 473197144Shrs# desc n Description of script. 474197144Shrs# 47578344Sobrien# extra_commands n List of extra commands supported. 47678344Sobrien# 47798186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 47898186Sgordon# otherwise use check_process $command. 47998186Sgordon# In either case, only check if $command is set. 48078344Sobrien# 48198186Sgordon# procname n Process name to check for instead of $command. 48298186Sgordon# 48378344Sobrien# rcvar n This is checked with checkyesno to determine 48478344Sobrien# if the action should be run. 48578344Sobrien# 486157653Sflz# ${name}_program n Full path to command. 487157653Sflz# Meant to be used in /etc/rc.conf to override 488157653Sflz# ${command}. 489157653Sflz# 49078344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 49198186Sgordon# Requires /usr to be mounted. 49278344Sobrien# 49378344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 49478344Sobrien# (if not using ${name}_chroot). 49578344Sobrien# 49678344Sobrien# ${name}_flags n Arguments to call ${command} with. 49778344Sobrien# NOTE: $flags from the parent environment 49878344Sobrien# can be used to override this. 49978344Sobrien# 50078344Sobrien# ${name}_nice n Nice level to run ${command} at. 50178344Sobrien# 50278344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 50378344Sobrien# using ${name}_chroot. 50498186Sgordon# Requires /usr to be mounted. 50578344Sobrien# 50678344Sobrien# ${name}_group n Group to run chrooted ${command} as. 50798186Sgordon# Requires /usr to be mounted. 50878344Sobrien# 50998186Sgordon# ${name}_groups n Comma separated list of supplementary groups 51098186Sgordon# to run the chrooted ${command} with. 51198186Sgordon# Requires /usr to be mounted. 51278344Sobrien# 51398186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 51478344Sobrien# Otherwise, use default command (see below) 51578344Sobrien# 51698186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 51798186Sgordon# ${rc_arg}_cmd method in the default 51898186Sgordon# operation (i.e, after checking for required 51998186Sgordon# bits and process (non)existence). 52078344Sobrien# If this completes with a non-zero exit code, 52198186Sgordon# don't run ${rc_arg}_cmd. 52278344Sobrien# 52398186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 52498186Sgordon# ${rc_arg}_cmd method, if that method 52598186Sgordon# returned a zero exit code. 52698186Sgordon# 52778344Sobrien# required_dirs n If set, check for the existence of the given 528165565Syar# directories before running a (re)start command. 52978344Sobrien# 53078344Sobrien# required_files n If set, check for the readability of the given 531165565Syar# files before running a (re)start command. 53278344Sobrien# 533165565Syar# required_modules n If set, ensure the given kernel modules are 534165565Syar# loaded before running a (re)start command. 535165565Syar# The check and possible loads are actually 536165565Syar# done after start_precmd so that the modules 537165565Syar# aren't loaded in vain, should the precmd 538165565Syar# return a non-zero status to indicate a error. 539165565Syar# If a word in the list looks like "foo:bar", 540165565Syar# "foo" is the KLD file name and "bar" is the 541165565Syar# module name. If a word looks like "foo~bar", 542165565Syar# "foo" is the KLD file name and "bar" is a 543165565Syar# egrep(1) pattern matching the module name. 544165565Syar# Otherwise the module name is assumed to be 545165565Syar# the same as the KLD file name, which is most 546165565Syar# common. See load_kld(). 547165565Syar# 54878344Sobrien# required_vars n If set, perform checkyesno on each of the 54978344Sobrien# listed variables before running the default 55078344Sobrien# (re)start command. 55178344Sobrien# 55298186Sgordon# Default behaviour for a given argument, if no override method is 55398186Sgordon# provided: 55478344Sobrien# 55598186Sgordon# Argument Default behaviour 55698186Sgordon# -------- ----------------- 55778344Sobrien# start if !running && checkyesno ${rcvar} 55878344Sobrien# ${command} 55978344Sobrien# 56078344Sobrien# stop if ${pidfile} 56198186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 56278344Sobrien# else 56398186Sgordon# rc_pid=$(check_process $command) 56498186Sgordon# kill $sig_stop $rc_pid 56598186Sgordon# wait_for_pids $rc_pid 56698186Sgordon# ($sig_stop defaults to TERM.) 56778344Sobrien# 56898186Sgordon# reload Similar to stop, except use $sig_reload instead, 56998186Sgordon# and doesn't wait_for_pids. 57078344Sobrien# $sig_reload defaults to HUP. 571151685Syar# Note that `reload' isn't provided by default, 572151685Syar# it should be enabled via $extra_commands. 57378344Sobrien# 57478344Sobrien# restart Run `stop' then `start'. 57578344Sobrien# 57698186Sgordon# status Show if ${command} is running, etc. 57778344Sobrien# 57898186Sgordon# poll Wait for ${command} to exit. 57998186Sgordon# 58098186Sgordon# rcvar Display what rc.conf variable is used (if any). 58198186Sgordon# 58298186Sgordon# Variables available to methods, and after run_rc_command() has 58398186Sgordon# completed: 58498186Sgordon# 58598186Sgordon# Variable Purpose 58698186Sgordon# -------- ------- 587126303Smtm# rc_arg Argument to command, after fast/force/one processing 58898186Sgordon# performed 58998186Sgordon# 59098186Sgordon# rc_flags Flags to start the default command with. 59198186Sgordon# Defaults to ${name}_flags, unless overridden 59298186Sgordon# by $flags from the environment. 59398186Sgordon# This variable may be changed by the precmd method. 59498186Sgordon# 59598186Sgordon# rc_pid PID of command (if appropriate) 59698186Sgordon# 59798186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 59898186Sgordon# 59998186Sgordon# rc_force Not empty if "force" was provided (q.v.) 60098186Sgordon# 601175676Smtm# rc_quiet Not empty if "quiet" was provided 60298186Sgordon# 603175676Smtm# 60478344Sobrienrun_rc_command() 60578344Sobrien{ 606116097Smtm _return=0 60798186Sgordon rc_arg=$1 60878344Sobrien if [ -z "$name" ]; then 60998186Sgordon err 3 'run_rc_command: $name is not set.' 61078344Sobrien fi 61178344Sobrien 612132892Smtm # Don't repeat the first argument when passing additional command- 613132892Smtm # line arguments to the command subroutines. 614132892Smtm # 615132892Smtm shift 1 616132892Smtm rc_extra_args="$*" 617132892Smtm 618126303Smtm _rc_prefix= 61998186Sgordon case "$rc_arg" in 62078344Sobrien fast*) # "fast" prefix; don't check pid 62198186Sgordon rc_arg=${rc_arg#fast} 62298186Sgordon rc_fast=yes 623175676Smtm rc_quiet=yes 62478344Sobrien ;; 625198216Sed force*) # "force" prefix; always run 62698186Sgordon rc_force=yes 627126303Smtm _rc_prefix=force 628126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 62978344Sobrien if [ -n "${rcvar}" ]; then 63078344Sobrien eval ${rcvar}=YES 63178344Sobrien fi 63278344Sobrien ;; 633126303Smtm one*) # "one" prefix; set ${rcvar}=yes 634126303Smtm _rc_prefix=one 635126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 636126303Smtm if [ -n "${rcvar}" ]; then 637126303Smtm eval ${rcvar}=YES 638126303Smtm fi 639126303Smtm ;; 640175676Smtm quiet*) # "quiet" prefix; omit some messages 641175676Smtm _rc_prefix=quiet 642175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 643175676Smtm rc_quiet=yes 644175676Smtm ;; 64578344Sobrien esac 64678344Sobrien 647161530Sflz eval _override_command=\$${name}_program 648198162Sdougb command=${_override_command:-$command} 649161530Sflz 65078344Sobrien _keywords="start stop restart rcvar $extra_commands" 65198186Sgordon rc_pid= 65278344Sobrien _pidcmd= 65398186Sgordon _procname=${procname:-${command}} 65498186Sgordon 655131135Smtm # setup pid check command 656131135Smtm if [ -n "$_procname" ]; then 65778344Sobrien if [ -n "$pidfile" ]; then 65898186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 65998186Sgordon else 66098186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 66178344Sobrien fi 66278344Sobrien if [ -n "$_pidcmd" ]; then 66398186Sgordon _keywords="${_keywords} status poll" 66478344Sobrien fi 66578344Sobrien fi 66678344Sobrien 66798186Sgordon if [ -z "$rc_arg" ]; then 668150796Syar rc_usage $_keywords 66978344Sobrien fi 67078344Sobrien 67178344Sobrien if [ -n "$flags" ]; then # allow override from environment 67298186Sgordon rc_flags=$flags 67378344Sobrien else 67498186Sgordon eval rc_flags=\$${name}_flags 67578344Sobrien fi 67698186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 67798186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 67898186Sgordon _group=\$${name}_group _groups=\$${name}_groups 67978344Sobrien 68098186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 681124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 68298186Sgordon unset _user 68398186Sgordon fi 68498186Sgordon fi 68598186Sgordon 686179870Smtm eval $_pidcmd # determine the pid if necessary 687179870Smtm 688179870Smtm for _elem in $_keywords; do 689179870Smtm if [ "$_elem" != "$rc_arg" ]; then 690179870Smtm continue 691179870Smtm fi 692206686Sdougb # if ${rcvar} is set, $1 is not "rcvar" 693206686Sdougb # and ${rc_pid} is not set, then run 69478344Sobrien # checkyesno ${rcvar} 69578344Sobrien # and return if that failed 69678344Sobrien # 697220760Sdougb if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 698220760Sdougb [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 699179870Smtm if ! checkyesno ${rcvar}; then 700179870Smtm if [ -n "${rc_quiet}" ]; then 701179870Smtm return 0 702179870Smtm fi 703179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 704179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 705179870Smtm echo "instead of '${rc_arg}'." 706175676Smtm return 0 707175676Smtm fi 70878344Sobrien fi 70978344Sobrien 71078344Sobrien # if there's a custom ${XXX_cmd}, 71178344Sobrien # run that instead of the default 71278344Sobrien # 713165565Syar eval _cmd=\$${rc_arg}_cmd \ 714165565Syar _precmd=\$${rc_arg}_precmd \ 715165565Syar _postcmd=\$${rc_arg}_postcmd 716165565Syar 71778344Sobrien if [ -n "$_cmd" ]; then 718165565Syar _run_rc_precmd || return 1 719165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 720165565Syar _run_rc_postcmd 721116097Smtm return $_return 72278344Sobrien fi 72378344Sobrien 72498186Sgordon case "$rc_arg" in # default operations... 72578344Sobrien 72678344Sobrien status) 727165565Syar _run_rc_precmd || return 1 72898186Sgordon if [ -n "$rc_pid" ]; then 72998186Sgordon echo "${name} is running as pid $rc_pid." 73078344Sobrien else 73178344Sobrien echo "${name} is not running." 73278344Sobrien return 1 73378344Sobrien fi 734165565Syar _run_rc_postcmd 73578344Sobrien ;; 73678344Sobrien 73778344Sobrien start) 738131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 739157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 740153152Syar return 1 74178344Sobrien fi 74278344Sobrien 743167413Syar if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 744160667Syar warn "run_rc_command: cannot run $command" 745153152Syar return 1 74678344Sobrien fi 74778344Sobrien 748179946Smtm if ! _run_rc_precmd; then 749179946Smtm warn "failed precmd routine for ${name}" 750179946Smtm return 1 751179946Smtm fi 75278344Sobrien 753160668Syar # setup the full command to run 75478344Sobrien # 755197947Sdougb check_startmsgs && echo "Starting ${name}." 75678344Sobrien if [ -n "$_chroot" ]; then 75778344Sobrien _doit="\ 75878344Sobrien${_nice:+nice -n $_nice }\ 75978344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 76098186Sgordon$_chroot $command $rc_flags $command_args" 76178344Sobrien else 76278344Sobrien _doit="\ 763161396Syar${_chdir:+cd $_chdir && }\ 76498186Sgordon$command $rc_flags $command_args" 76598186Sgordon if [ -n "$_user" ]; then 76698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 76798186Sgordon fi 768161396Syar if [ -n "$_nice" ]; then 769161396Syar if [ -z "$_user" ]; then 770161396Syar _doit="sh -c \"$_doit\"" 771201036Sdougb fi 772161396Syar _doit="nice -n $_nice $_doit" 773161396Syar fi 77478344Sobrien fi 77598186Sgordon 776165565Syar # run the full command 77798186Sgordon # 778179946Smtm if ! _run_rc_doit "$_doit"; then 779179946Smtm warn "failed to start ${name}" 780179946Smtm return 1 781179946Smtm fi 78298186Sgordon 78398186Sgordon # finally, run postcmd 78498186Sgordon # 785165565Syar _run_rc_postcmd 78678344Sobrien ;; 78778344Sobrien 78878344Sobrien stop) 78998186Sgordon if [ -z "$rc_pid" ]; then 790153152Syar [ -n "$rc_fast" ] && return 0 791165565Syar _run_rc_notrunning 792153152Syar return 1 79378344Sobrien fi 79478344Sobrien 795165565Syar _run_rc_precmd || return 1 79698186Sgordon 79798186Sgordon # send the signal to stop 79898186Sgordon # 79978344Sobrien echo "Stopping ${name}." 800165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 801165565Syar _run_rc_doit "$_doit" || return 1 80298186Sgordon 80398186Sgordon # wait for the command to exit, 80498186Sgordon # and run postcmd. 80598186Sgordon wait_for_pids $rc_pid 806165565Syar 807165565Syar _run_rc_postcmd 80878344Sobrien ;; 80978344Sobrien 81078344Sobrien reload) 81198186Sgordon if [ -z "$rc_pid" ]; then 812165565Syar _run_rc_notrunning 813153152Syar return 1 81478344Sobrien fi 815165565Syar 816165565Syar _run_rc_precmd || return 1 817165565Syar 818165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 819165565Syar _run_rc_doit "$_doit" || return 1 820165565Syar 821165565Syar _run_rc_postcmd 82278344Sobrien ;; 82378344Sobrien 82478344Sobrien restart) 82578344Sobrien # prevent restart being called more 82678344Sobrien # than once by any given script 82778344Sobrien # 828126285Smtm if ${_rc_restart_done:-false}; then 82978344Sobrien return 0 83078344Sobrien fi 831126285Smtm _rc_restart_done=true 83278344Sobrien 833165565Syar _run_rc_precmd || return 1 834165565Syar 835165565Syar # run those in a subshell to keep global variables 836152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 837165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 838165565Syar _return=$? 839165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 84098186Sgordon 841165565Syar _run_rc_postcmd 84278344Sobrien ;; 84378344Sobrien 84498186Sgordon poll) 845165565Syar _run_rc_precmd || return 1 84698186Sgordon if [ -n "$rc_pid" ]; then 84798186Sgordon wait_for_pids $rc_pid 84898186Sgordon fi 849165565Syar _run_rc_postcmd 85098186Sgordon ;; 85198186Sgordon 85278344Sobrien rcvar) 853197144Shrs echo -n "# $name" 854197144Shrs if [ -n "$desc" ]; then 855197144Shrs echo " : $desc" 856197144Shrs else 857197144Shrs echo "" 858197144Shrs fi 859197144Shrs echo "#" 860197144Shrs # Get unique vars in $rcvar $rcvars 861197144Shrs for _v in $rcvar $rcvars; do 862197144Shrs case $v in 863197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 864197144Shrs *) v="${v# } $_v" ;; 865197144Shrs esac 866197144Shrs done 867197144Shrs 868197144Shrs # Display variables. 869197144Shrs for _v in $v; do 870197144Shrs if [ -z "$_v" ]; then 871197144Shrs continue 87278344Sobrien fi 873197144Shrs 874197144Shrs eval _desc=\$${_v}_desc 875197144Shrs eval _defval=\$${_v}_defval 876197144Shrs _h="-" 877197144Shrs 878197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 879197144Shrs # decode multiple lines of _desc 880197144Shrs while [ -n "$_desc" ]; do 881197144Shrs case $_desc in 882197144Shrs *^^*) 883197144Shrs echo "# $_h ${_desc%%^^*}" 884197144Shrs _desc=${_desc#*^^} 885197144Shrs _h=" " 886197144Shrs ;; 887197144Shrs *) 888197144Shrs echo "# $_h ${_desc}" 889197144Shrs break 890197144Shrs ;; 891197144Shrs esac 892197144Shrs done 893197144Shrs echo "# (default: \"$_defval\")" 894197144Shrs done 895197144Shrs echo "" 89678344Sobrien ;; 89778344Sobrien 89878344Sobrien *) 899150796Syar rc_usage $_keywords 90078344Sobrien ;; 90178344Sobrien 90278344Sobrien esac 903116097Smtm return $_return 90478344Sobrien done 90578344Sobrien 90698186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 907150796Syar rc_usage $_keywords 908153152Syar # not reached 90978344Sobrien} 91078344Sobrien 91178344Sobrien# 912165565Syar# Helper functions for run_rc_command: common code. 913165565Syar# They use such global variables besides the exported rc_* ones: 914165565Syar# 915165565Syar# name R/W 916165565Syar# ------------------ 917165565Syar# _precmd R 918165565Syar# _postcmd R 919165565Syar# _return W 920165565Syar# 921165565Syar_run_rc_precmd() 922165565Syar{ 923165565Syar check_required_before "$rc_arg" || return 1 924165565Syar 925165565Syar if [ -n "$_precmd" ]; then 926165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 927165565Syar eval "$_precmd $rc_extra_args" 928165565Syar _return=$? 929165565Syar 930165565Syar # If precmd failed and force isn't set, request exit. 931165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 932165565Syar return 1 933165565Syar fi 934165565Syar fi 935165565Syar 936165565Syar check_required_after "$rc_arg" || return 1 937165565Syar 938165565Syar return 0 939165565Syar} 940165565Syar 941165565Syar_run_rc_postcmd() 942165565Syar{ 943165565Syar if [ -n "$_postcmd" ]; then 944165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 945165565Syar eval "$_postcmd $rc_extra_args" 946165565Syar _return=$? 947165565Syar fi 948165565Syar return 0 949165565Syar} 950165565Syar 951165565Syar_run_rc_doit() 952165565Syar{ 953165565Syar debug "run_rc_command: doit: $*" 954165565Syar eval "$@" 955165565Syar _return=$? 956165565Syar 957165565Syar # If command failed and force isn't set, request exit. 958165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 959165565Syar return 1 960165565Syar fi 961165565Syar 962165565Syar return 0 963165565Syar} 964165565Syar 965165565Syar_run_rc_notrunning() 966165565Syar{ 967165565Syar local _pidmsg 968165565Syar 969165565Syar if [ -n "$pidfile" ]; then 970165565Syar _pidmsg=" (check $pidfile)." 971165565Syar else 972165565Syar _pidmsg= 973165565Syar fi 974165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 975165565Syar} 976165565Syar 977165565Syar_run_rc_killcmd() 978165565Syar{ 979165565Syar local _cmd 980165565Syar 981165565Syar _cmd="kill -$1 $rc_pid" 982165565Syar if [ -n "$_user" ]; then 983165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 984165565Syar fi 985165565Syar echo "$_cmd" 986165565Syar} 987165565Syar 988165565Syar# 98978344Sobrien# run_rc_script file arg 99078344Sobrien# Start the script `file' with `arg', and correctly handle the 991201038Sdougb# return value from the script. 992201038Sdougb# If `file' ends with `.sh', it's sourced into the current environment 993201038Sdougb# when $rc_fast_and_loose is set, otherwise it is run as a child process. 994201038Sdougb# If `file' appears to be a backup or scratch file, ignore it. 995201038Sdougb# Otherwise if it is executable run as a child process. 99678344Sobrien# 99778344Sobrienrun_rc_script() 99878344Sobrien{ 99978344Sobrien _file=$1 100078344Sobrien _arg=$2 100178344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 100278344Sobrien err 3 'USAGE: run_rc_script file arg' 100378344Sobrien fi 100478344Sobrien 100598186Sgordon unset name command command_args command_interpreter \ 100698186Sgordon extra_commands pidfile procname \ 1007197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 1008197144Shrs required_vars 100998186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 101098186Sgordon 101178344Sobrien case "$_file" in 1012193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 1013193118Sdougb warn "Ignoring old-style startup script $_file" 101478344Sobrien ;; 1015153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 101698186Sgordon warn "Ignoring scratch file $_file" 101798186Sgordon ;; 101878344Sobrien *) # run in subshell 101998186Sgordon if [ -x $_file ]; then 102098186Sgordon if [ -n "$rc_fast_and_loose" ]; then 1021146490Sschweikh set $_arg; . $_file 102298186Sgordon else 1023130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 1024130161Smtm trap "echo Script $_file interrupted; exit 1" 2 1025184317Sthompsa trap "echo Script $_file running" 29 1026146490Sschweikh set $_arg; . $_file ) 102798186Sgordon fi 102898186Sgordon fi 102978344Sobrien ;; 103078344Sobrien esac 103178344Sobrien} 103278344Sobrien 103378344Sobrien# 1034157653Sflz# load_rc_config name 1035157653Sflz# Source in the configuration file for a given name. 103678344Sobrien# 103778344Sobrienload_rc_config() 103878344Sobrien{ 1039197144Shrs local _name _var _defval _v _msg _new 1040157653Sflz _name=$1 1041157653Sflz if [ -z "$_name" ]; then 1042157653Sflz err 3 'USAGE: load_rc_config name' 104378344Sobrien fi 104478344Sobrien 1045219612Sdougb if ${_rc_conf_loaded:-false}; then 1046219612Sdougb : 1047219612Sdougb else 104898186Sgordon if [ -r /etc/defaults/rc.conf ]; then 104998186Sgordon debug "Sourcing /etc/defaults/rc.conf" 105098186Sgordon . /etc/defaults/rc.conf 105198186Sgordon source_rc_confs 105298186Sgordon elif [ -r /etc/rc.conf ]; then 105398186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 105498186Sgordon . /etc/rc.conf 105598186Sgordon fi 1056126285Smtm _rc_conf_loaded=true 105798186Sgordon fi 1058161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1059157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1060161530Sflz . /etc/rc.conf.d/"$_name" 1061157653Sflz fi 1062179872Smtm 1063197144Shrs # Set defaults if defined. 1064197144Shrs for _var in $rcvar $rcvars; do 1065223227Sjilles eval _defval=\$${_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 $rcvars_obsolete; do 1073223227Sjilles eval _v=\$$_var 1074223227Sjilles eval _msg=\$${_var}_obsolete_msg 1075223227Sjilles eval _new=\$${_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. 1283229783Suqs# Returns 0 on success, 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 1641227366Sjilles 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 1735222996Shrs# check_kern_features mib 1736222996Shrs# Return existence of kern.features.* sysctl MIB as true or 1737222996Shrs# false. The result will be cached in $_rc_cache_kern_features_ 1738222996Shrs# namespace. "0" means the kern.features.X exists. 1739222996Shrs 1740222996Shrscheck_kern_features() 1741222996Shrs{ 1742222996Shrs local _v 1743222996Shrs 1744222996Shrs [ -n "$1" ] || return 1; 1745223292Sjilles eval _v=\$_rc_cache_kern_features_$1 1746222996Shrs [ -n "$_v" ] && return "$_v"; 1747222996Shrs 1748222996Shrs if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then 1749222996Shrs eval _rc_cache_kern_features_$1=0 1750222996Shrs return 0 1751222996Shrs else 1752222996Shrs eval _rc_cache_kern_features_$1=1 1753222996Shrs return 1 1754222996Shrs fi 1755222996Shrs} 1756222996Shrs 1757197144Shrs# _echoonce var msg mode 1758197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1759197144Shrs# After doing echo, a string is set to ${$var}. 1760197144Shrs# 1761197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1762197144Shrs# 1763197144Shrs_echoonce() 1764197144Shrs{ 1765197144Shrs local _var _msg _mode 1766223227Sjilles eval _var=\$$1 1767197144Shrs _msg=$2 1768197144Shrs _mode=$3 1769197144Shrs 1770197144Shrs case $_mode in 1771197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1772197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1773197144Shrs esac 1774197144Shrs} 1775197144Shrs 1776223298Sjillesfi # [ -z "${_rc_subr_loaded}" ] 1777223298Sjilles 1778157841Sflz_rc_subr_loaded=: 1779