rc.subr revision 230007
1164640Sflz# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 230007 2012-01-12 06:48:11Z rea $ 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 [var] [defval] [desc] 5878344Sobrien# 59197144Shrs# Echo or define a rc.conf(5) variable name. Global variable 60197144Shrs# $rcvars is used. 6198186Sgordon# 62197144Shrs# If no argument is specified, echo "${name}_enable". 63197144Shrs# 64197144Shrs# If only a var is specified, echo "${var}_enable". 65197144Shrs# 66197144Shrs# If var and defval are specified, the ${var} is defined as 67197144Shrs# rc.conf(5) variable and the default value is ${defvar}. An 68197144Shrs# optional argument $desc can also be specified to add a 69197144Shrs# description for that. 70197144Shrs# 7198186Sgordonset_rcvar() 7298186Sgordon{ 73197144Shrs case $# in 74197144Shrs 0) 75197144Shrs echo ${name}_enable 7698186Sgordon ;; 77197144Shrs 1) 78197144Shrs echo ${1}_enable 7998186Sgordon ;; 8098186Sgordon *) 81197144Shrs debug "rcvar_define: \$$1=$2 is added" \ 82197144Shrs " as a rc.conf(5) variable." 83197144Shrs 84197144Shrs local _var 85197144Shrs _var=$1 86197144Shrs rcvars="${rcvars# } $_var" 87197144Shrs eval ${_var}_defval=\"$2\" 88197144Shrs shift 2 89197144Shrs # encode multiple lines of _desc 90197144Shrs for l in "$@"; do 91197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}^^$l\" 92197144Shrs done 93197144Shrs eval ${_var}_desc=\"\${${_var}_desc#^^}\" 9498186Sgordon ;; 9598186Sgordon esac 9698186Sgordon} 9798186Sgordon 98197144Shrs# set_rcvar_obsolete oldvar [newvar] [msg] 99197144Shrs# Define obsolete variable. 100197144Shrs# Global variable $rcvars_obsolete is used. 10198186Sgordon# 102197144Shrsset_rcvar_obsolete() 103197144Shrs{ 104197144Shrs local _var 105197144Shrs _var=$1 106197144Shrs debug "rcvar_obsolete: \$$1(old) -> \$$2(new) is defined" 107197144Shrs 108197144Shrs rcvars_obsolete="${rcvars_obsolete# } $1" 109197144Shrs eval ${1}_newvar=\"$2\" 110197144Shrs shift 2 111197144Shrs eval ${_var}_obsolete_msg=\"$*\" 112197144Shrs} 113197144Shrs 114197144Shrs# 11598186Sgordon# force_depend script 11698186Sgordon# Force a service to start. Intended for use by services 11798186Sgordon# to resolve dependency issues. It is assumed the caller 11898186Sgordon# has check to make sure this call is necessary 11998186Sgordon# $1 - filename of script, in /etc/rc.d, to run 12098186Sgordon# 12198186Sgordonforce_depend() 12298186Sgordon{ 12398186Sgordon _depend="$1" 12498186Sgordon 12598186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 126146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 12798186Sgordon warn "Unable to force ${_depend}. It may already be running." 12898186Sgordon return 1 12998186Sgordon fi 13098186Sgordon return 0 13198186Sgordon} 13298186Sgordon 13398186Sgordon# 13478344Sobrien# checkyesno var 13578344Sobrien# Test $1 variable, and warn if not set to YES or NO. 13678344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 13778344Sobrien# 13878344Sobriencheckyesno() 13978344Sobrien{ 14078344Sobrien eval _value=\$${1} 14198186Sgordon debug "checkyesno: $1 is set to $_value." 14278344Sobrien case $_value in 14378344Sobrien 14478344Sobrien # "yes", "true", "on", or "1" 14578344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 14678344Sobrien return 0 14778344Sobrien ;; 14878344Sobrien 14978344Sobrien # "no", "false", "off", or "0" 15078344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 15178344Sobrien return 1 15278344Sobrien ;; 15378344Sobrien *) 154229822Sdougb warn "\$${1} is not set properly - see rc.conf(5)." 15578344Sobrien return 1 15678344Sobrien ;; 15778344Sobrien esac 15878344Sobrien} 15978344Sobrien 160157473Sflz# 16198186Sgordon# reverse_list list 16298186Sgordon# print the list in reverse order 16378344Sobrien# 16498186Sgordonreverse_list() 16598186Sgordon{ 16698186Sgordon _revlist= 167126286Smtm for _revfile; do 16898186Sgordon _revlist="$_revfile $_revlist" 16998186Sgordon done 17098186Sgordon echo $_revlist 17198186Sgordon} 17298186Sgordon 173169668Smtm# stop_boot always 174169668Smtm# If booting directly to multiuser or $always is enabled, 175169668Smtm# send SIGTERM to the parent (/etc/rc) to abort the boot. 176169668Smtm# Otherwise just exit. 17778344Sobrien# 178169668Smtmstop_boot() 179169668Smtm{ 180169668Smtm local always 181169668Smtm 182178776Smaxim case $1 in 183178776Smaxim # "yes", "true", "on", or "1" 184178770Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 185169668Smtm always=true 186178770Smtm ;; 187178770Smtm *) 188169668Smtm always=false 189178770Smtm ;; 190178775Smaxim esac 191169668Smtm if [ "$autoboot" = yes -o "$always" = true ]; then 192169668Smtm echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!" 193169668Smtm kill -TERM ${RC_PID} 194169668Smtm fi 195169668Smtm exit 1 196169668Smtm} 197169668Smtm 198169668Smtm# 19998186Sgordon# mount_critical_filesystems type 20098186Sgordon# Go through the list of critical filesystems as provided in 20198186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 20298186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 20398186Sgordon# 20478344Sobrienmount_critical_filesystems() 20578344Sobrien{ 20698186Sgordon eval _fslist=\$critical_filesystems_${1} 20778344Sobrien for _fs in $_fslist; do 20878344Sobrien mount | ( 209126285Smtm _ismounted=false 21078344Sobrien while read what _on on _type type; do 21178344Sobrien if [ $on = $_fs ]; then 212126285Smtm _ismounted=true 21378344Sobrien fi 21478344Sobrien done 215126285Smtm if $_ismounted; then 216126285Smtm : 217126285Smtm else 21878344Sobrien mount $_fs >/dev/null 2>&1 21978344Sobrien fi 22098186Sgordon ) 22178344Sobrien done 22278344Sobrien} 22378344Sobrien 22478344Sobrien# 22598186Sgordon# check_pidfile pidfile procname [interpreter] 22698186Sgordon# Parses the first line of pidfile for a PID, and ensures 22778344Sobrien# that the process is running and matches procname. 22898186Sgordon# Prints the matching PID upon success, nothing otherwise. 22998186Sgordon# interpreter is optional; see _find_processes() for details. 23078344Sobrien# 23178344Sobriencheck_pidfile() 23278344Sobrien{ 23378344Sobrien _pidfile=$1 23478344Sobrien _procname=$2 23598186Sgordon _interpreter=$3 23678344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 23798186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 23878344Sobrien fi 23978344Sobrien if [ ! -f $_pidfile ]; then 240131061Smtm debug "pid file ($_pidfile): not readable." 24178344Sobrien return 24278344Sobrien fi 24378344Sobrien read _pid _junk < $_pidfile 24478344Sobrien if [ -z "$_pid" ]; then 245139949Skeramida debug "pid file ($_pidfile): no pid in file." 24678344Sobrien return 24778344Sobrien fi 24898186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 24978344Sobrien} 25078344Sobrien 25178344Sobrien# 25298186Sgordon# check_process procname [interpreter] 25378344Sobrien# Ensures that a process (or processes) named procname is running. 25498186Sgordon# Prints a list of matching PIDs. 25598186Sgordon# interpreter is optional; see _find_processes() for details. 25678344Sobrien# 25778344Sobriencheck_process() 25878344Sobrien{ 25978344Sobrien _procname=$1 26098186Sgordon _interpreter=$2 26178344Sobrien if [ -z "$_procname" ]; then 26298186Sgordon err 3 'USAGE: check_process procname [interpreter]' 26378344Sobrien fi 26498186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 26598186Sgordon} 26698186Sgordon 26798186Sgordon# 26898186Sgordon# _find_processes procname interpreter psargs 26998186Sgordon# Search for procname in the output of ps generated by psargs. 27098186Sgordon# Prints the PIDs of any matching processes, space separated. 27198186Sgordon# 27298186Sgordon# If interpreter == ".", check the following variations of procname 27398186Sgordon# against the first word of each command: 27498186Sgordon# procname 27598186Sgordon# `basename procname` 27698186Sgordon# `basename procname` + ":" 27798186Sgordon# "(" + `basename procname` + ")" 278155719Sceri# "[" + `basename procname` + "]" 27998186Sgordon# 28098186Sgordon# If interpreter != ".", read the first line of procname, remove the 28198186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 28298186Sgordon# match that against each command, either as is, or with extra words 283157841Sflz# at the end. As an alternative, to deal with interpreted daemons 284157841Sflz# using perl, the basename of the interpreter plus a colon is also 285157841Sflz# tried as the prefix to procname. 28698186Sgordon# 28798186Sgordon_find_processes() 28898186Sgordon{ 28998186Sgordon if [ $# -ne 3 ]; then 29098186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 29198186Sgordon fi 29298186Sgordon _procname=$1 29398186Sgordon _interpreter=$2 29498186Sgordon _psargs=$3 29598186Sgordon 29678344Sobrien _pref= 29798186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 298170282Syar _script=${_chroot}${_chroot:+"/"}$_procname 299170282Syar if [ -r $_script ]; then 300170282Syar read _interp < $_script # read interpreter name 301170282Syar case "$_interp" in 302170282Syar \#!*) 303170282Syar _interp=${_interp#\#!} # strip #! 304170282Syar set -- $_interp 305170282Syar case $1 in 306170282Syar */bin/env) 307170282Syar shift # drop env to get real name 308170282Syar ;; 309170282Syar esac 310170282Syar if [ $_interpreter != $1 ]; then 311170282Syar warn "\$command_interpreter $_interpreter != $1" 312170282Syar fi 313170282Syar ;; 314170282Syar *) 315170282Syar warn "no shebang line in $_script" 316170282Syar set -- $_interpreter 317170282Syar ;; 318170282Syar esac 319170282Syar else 320170282Syar warn "cannot read shebang line from $_script" 321170282Syar set -- $_interpreter 32278344Sobrien fi 32398186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 324157841Sflz _interpbn=${1##*/} 32598186Sgordon _fp_args='_argv' 32698186Sgordon _fp_match='case "$_argv" in 327157841Sflz ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 32898186Sgordon else # a normal daemon 32998186Sgordon _procnamebn=${_procname##*/} 33098186Sgordon _fp_args='_arg0 _argv' 33198186Sgordon _fp_match='case "$_arg0" in 332151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 33398186Sgordon fi 33498186Sgordon 335161435Syar _proccheck="\ 336161436Syar $PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' | 337157657Sflz while read _npid _jid '"$_fp_args"'; do 338161436Syar '"$_fp_match"' 339157657Sflz if [ "$JID" -eq "$_jid" ]; 340157657Sflz then echo -n "$_pref$_npid"; 341157657Sflz _pref=" "; 342157657Sflz fi 34398186Sgordon ;; 34498186Sgordon esac 34598186Sgordon done' 34698186Sgordon 347114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 34898186Sgordon eval $_proccheck 34998186Sgordon} 35098186Sgordon 35198186Sgordon# 35298186Sgordon# wait_for_pids pid [pid ...] 35398186Sgordon# spins until none of the pids exist 35498186Sgordon# 35598186Sgordonwait_for_pids() 35698186Sgordon{ 357206248Sdougb local _list _prefix _nlist _j 358206248Sdougb 359126286Smtm _list="$@" 36098186Sgordon if [ -z "$_list" ]; then 36198186Sgordon return 36298186Sgordon fi 36398186Sgordon _prefix= 36498186Sgordon while true; do 36598186Sgordon _nlist=""; 36698186Sgordon for _j in $_list; do 36798186Sgordon if kill -0 $_j 2>/dev/null; then 36898186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 369206248Sdougb [ -n "$_prefix" ] && sleep 1 37098186Sgordon fi 37198186Sgordon done 37298186Sgordon if [ -z "$_nlist" ]; then 37398186Sgordon break 37478344Sobrien fi 37598186Sgordon _list=$_nlist 37698186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 37798186Sgordon _prefix=", " 378206248Sdougb pwait $_list 2>/dev/null 37978344Sobrien done 38098186Sgordon if [ -n "$_prefix" ]; then 38198186Sgordon echo "." 38298186Sgordon fi 38378344Sobrien} 38478344Sobrien 38578344Sobrien# 386220962Sdougb# get_pidfile_from_conf string file 387220962Sdougb# 388220962Sdougb# Takes a string to search for in the specified file. 389220962Sdougb# Ignores lines with traditional comment characters. 390220962Sdougb# 391220962Sdougb# Example: 392220962Sdougb# 393220962Sdougb# if get_pidfile_from_conf string file; then 394220962Sdougb# pidfile="$_pidfile_from_conf" 395220962Sdougb# else 396220962Sdougb# pidfile='appropriate default' 397220962Sdougb# fi 398220962Sdougb# 399220962Sdougbget_pidfile_from_conf() 400220962Sdougb{ 401220963Sdougb if [ -z "$1" -o -z "$2" ]; then 402220963Sdougb err 3 "USAGE: get_pidfile_from_conf string file ($name)" 403220963Sdougb fi 404220963Sdougb 405220962Sdougb local string file line 406220962Sdougb 407220962Sdougb string="$1" ; file="$2" 408220962Sdougb 409220963Sdougb if [ ! -s "$file" ]; then 410220963Sdougb err 3 "get_pidfile_from_conf: $file does not exist ($name)" 411220962Sdougb fi 412220962Sdougb 413220962Sdougb while read line; do 414220962Sdougb case "$line" in 415220962Sdougb *[#\;]*${string}*) continue ;; 416220962Sdougb *${string}*) break ;; 417220962Sdougb esac 418220962Sdougb done < $file 419220962Sdougb 420220962Sdougb if [ -n "$line" ]; then 421220962Sdougb line=${line#*/} 422220962Sdougb _pidfile_from_conf="/${line%%[\"\;]*}" 423220962Sdougb else 424220962Sdougb return 1 425220962Sdougb fi 426220962Sdougb} 427220962Sdougb 428220962Sdougb# 429197947Sdougb# check_startmsgs 430197947Sdougb# If rc_quiet is set (usually as a result of using faststart at 431197947Sdougb# boot time) check if rc_startmsgs is enabled. 432197947Sdougb# 433197947Sdougbcheck_startmsgs() 434197947Sdougb{ 435197947Sdougb if [ -n "$rc_quiet" ]; then 436197947Sdougb checkyesno rc_startmsgs 437197947Sdougb else 438197947Sdougb return 0 439197947Sdougb fi 440197947Sdougb} 441197947Sdougb 442197947Sdougb# 44398186Sgordon# run_rc_command argument 44498186Sgordon# Search for argument in the list of supported commands, which is: 44598186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 44698186Sgordon# If there's a match, run ${argument}_cmd or the default method 44798186Sgordon# (see below). 44878344Sobrien# 44998186Sgordon# If argument has a given prefix, then change the operation as follows: 45098186Sgordon# Prefix Operation 45178344Sobrien# ------ --------- 452175676Smtm# fast Skip the pid check, and set rc_fast=yes, rc_quiet=yes 45398186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 454126303Smtm# one Set ${rcvar} to YES 455175676Smtm# quiet Don't output some diagnostics, and set rc_quiet=yes 45678344Sobrien# 45778344Sobrien# The following globals are used: 45878344Sobrien# 45998186Sgordon# Name Needed Purpose 46098186Sgordon# ---- ------ ------- 46178344Sobrien# name y Name of script. 46278344Sobrien# 46378344Sobrien# command n Full path to command. 46498186Sgordon# Not needed if ${rc_arg}_cmd is set for 46578344Sobrien# each keyword. 46678344Sobrien# 46778344Sobrien# command_args n Optional args/shell directives for command. 46878344Sobrien# 46998186Sgordon# command_interpreter n If not empty, command is interpreted, so 47098186Sgordon# call check_{pidfile,process}() appropriately. 47198186Sgordon# 472197144Shrs# desc n Description of script. 473197144Shrs# 47478344Sobrien# extra_commands n List of extra commands supported. 47578344Sobrien# 47698186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 47798186Sgordon# otherwise use check_process $command. 47898186Sgordon# In either case, only check if $command is set. 47978344Sobrien# 48098186Sgordon# procname n Process name to check for instead of $command. 48198186Sgordon# 48278344Sobrien# rcvar n This is checked with checkyesno to determine 48378344Sobrien# if the action should be run. 48478344Sobrien# 485157653Sflz# ${name}_program n Full path to command. 486157653Sflz# Meant to be used in /etc/rc.conf to override 487157653Sflz# ${command}. 488157653Sflz# 48978344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 49098186Sgordon# Requires /usr to be mounted. 49178344Sobrien# 49278344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 49378344Sobrien# (if not using ${name}_chroot). 49478344Sobrien# 49578344Sobrien# ${name}_flags n Arguments to call ${command} with. 49678344Sobrien# NOTE: $flags from the parent environment 49778344Sobrien# can be used to override this. 49878344Sobrien# 49978344Sobrien# ${name}_nice n Nice level to run ${command} at. 50078344Sobrien# 50178344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 50278344Sobrien# using ${name}_chroot. 50398186Sgordon# Requires /usr to be mounted. 50478344Sobrien# 50578344Sobrien# ${name}_group n Group to run chrooted ${command} as. 50698186Sgordon# Requires /usr to be mounted. 50778344Sobrien# 50898186Sgordon# ${name}_groups n Comma separated list of supplementary groups 50998186Sgordon# to run the chrooted ${command} with. 51098186Sgordon# Requires /usr to be mounted. 51178344Sobrien# 51298186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 51378344Sobrien# Otherwise, use default command (see below) 51478344Sobrien# 51598186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 51698186Sgordon# ${rc_arg}_cmd method in the default 51798186Sgordon# operation (i.e, after checking for required 51898186Sgordon# bits and process (non)existence). 51978344Sobrien# If this completes with a non-zero exit code, 52098186Sgordon# don't run ${rc_arg}_cmd. 52178344Sobrien# 52298186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 52398186Sgordon# ${rc_arg}_cmd method, if that method 52498186Sgordon# returned a zero exit code. 52598186Sgordon# 52678344Sobrien# required_dirs n If set, check for the existence of the given 527165565Syar# directories before running a (re)start command. 52878344Sobrien# 52978344Sobrien# required_files n If set, check for the readability of the given 530165565Syar# files before running a (re)start command. 53178344Sobrien# 532165565Syar# required_modules n If set, ensure the given kernel modules are 533165565Syar# loaded before running a (re)start command. 534165565Syar# The check and possible loads are actually 535165565Syar# done after start_precmd so that the modules 536165565Syar# aren't loaded in vain, should the precmd 537165565Syar# return a non-zero status to indicate a error. 538165565Syar# If a word in the list looks like "foo:bar", 539165565Syar# "foo" is the KLD file name and "bar" is the 540165565Syar# module name. If a word looks like "foo~bar", 541165565Syar# "foo" is the KLD file name and "bar" is a 542165565Syar# egrep(1) pattern matching the module name. 543165565Syar# Otherwise the module name is assumed to be 544165565Syar# the same as the KLD file name, which is most 545165565Syar# common. See load_kld(). 546165565Syar# 54778344Sobrien# required_vars n If set, perform checkyesno on each of the 54878344Sobrien# listed variables before running the default 54978344Sobrien# (re)start command. 55078344Sobrien# 55198186Sgordon# Default behaviour for a given argument, if no override method is 55298186Sgordon# provided: 55378344Sobrien# 55498186Sgordon# Argument Default behaviour 55598186Sgordon# -------- ----------------- 55678344Sobrien# start if !running && checkyesno ${rcvar} 55778344Sobrien# ${command} 55878344Sobrien# 55978344Sobrien# stop if ${pidfile} 56098186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 56178344Sobrien# else 56298186Sgordon# rc_pid=$(check_process $command) 56398186Sgordon# kill $sig_stop $rc_pid 56498186Sgordon# wait_for_pids $rc_pid 56598186Sgordon# ($sig_stop defaults to TERM.) 56678344Sobrien# 56798186Sgordon# reload Similar to stop, except use $sig_reload instead, 56898186Sgordon# and doesn't wait_for_pids. 56978344Sobrien# $sig_reload defaults to HUP. 570151685Syar# Note that `reload' isn't provided by default, 571151685Syar# it should be enabled via $extra_commands. 57278344Sobrien# 57378344Sobrien# restart Run `stop' then `start'. 57478344Sobrien# 57598186Sgordon# status Show if ${command} is running, etc. 57678344Sobrien# 57798186Sgordon# poll Wait for ${command} to exit. 57898186Sgordon# 57998186Sgordon# rcvar Display what rc.conf variable is used (if any). 58098186Sgordon# 58198186Sgordon# Variables available to methods, and after run_rc_command() has 58298186Sgordon# completed: 58398186Sgordon# 58498186Sgordon# Variable Purpose 58598186Sgordon# -------- ------- 586126303Smtm# rc_arg Argument to command, after fast/force/one processing 58798186Sgordon# performed 58898186Sgordon# 58998186Sgordon# rc_flags Flags to start the default command with. 59098186Sgordon# Defaults to ${name}_flags, unless overridden 59198186Sgordon# by $flags from the environment. 59298186Sgordon# This variable may be changed by the precmd method. 59398186Sgordon# 59498186Sgordon# rc_pid PID of command (if appropriate) 59598186Sgordon# 59698186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 59798186Sgordon# 59898186Sgordon# rc_force Not empty if "force" was provided (q.v.) 59998186Sgordon# 600175676Smtm# rc_quiet Not empty if "quiet" was provided 60198186Sgordon# 602175676Smtm# 60378344Sobrienrun_rc_command() 60478344Sobrien{ 605116097Smtm _return=0 60698186Sgordon rc_arg=$1 60778344Sobrien if [ -z "$name" ]; then 60898186Sgordon err 3 'run_rc_command: $name is not set.' 60978344Sobrien fi 61078344Sobrien 611132892Smtm # Don't repeat the first argument when passing additional command- 612132892Smtm # line arguments to the command subroutines. 613132892Smtm # 614132892Smtm shift 1 615132892Smtm rc_extra_args="$*" 616132892Smtm 617126303Smtm _rc_prefix= 61898186Sgordon case "$rc_arg" in 61978344Sobrien fast*) # "fast" prefix; don't check pid 62098186Sgordon rc_arg=${rc_arg#fast} 62198186Sgordon rc_fast=yes 622175676Smtm rc_quiet=yes 62378344Sobrien ;; 624198216Sed force*) # "force" prefix; always run 62598186Sgordon rc_force=yes 626126303Smtm _rc_prefix=force 627126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 62878344Sobrien if [ -n "${rcvar}" ]; then 62978344Sobrien eval ${rcvar}=YES 63078344Sobrien fi 63178344Sobrien ;; 632126303Smtm one*) # "one" prefix; set ${rcvar}=yes 633126303Smtm _rc_prefix=one 634126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 635126303Smtm if [ -n "${rcvar}" ]; then 636126303Smtm eval ${rcvar}=YES 637126303Smtm fi 638126303Smtm ;; 639175676Smtm quiet*) # "quiet" prefix; omit some messages 640175676Smtm _rc_prefix=quiet 641175676Smtm rc_arg=${rc_arg#${_rc_prefix}} 642175676Smtm rc_quiet=yes 643175676Smtm ;; 64478344Sobrien esac 64578344Sobrien 646161530Sflz eval _override_command=\$${name}_program 647198162Sdougb command=${_override_command:-$command} 648161530Sflz 64978344Sobrien _keywords="start stop restart rcvar $extra_commands" 65098186Sgordon rc_pid= 65178344Sobrien _pidcmd= 65298186Sgordon _procname=${procname:-${command}} 65398186Sgordon 654131135Smtm # setup pid check command 655131135Smtm if [ -n "$_procname" ]; then 65678344Sobrien if [ -n "$pidfile" ]; then 65798186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 65898186Sgordon else 65998186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 66078344Sobrien fi 66178344Sobrien if [ -n "$_pidcmd" ]; then 66298186Sgordon _keywords="${_keywords} status poll" 66378344Sobrien fi 66478344Sobrien fi 66578344Sobrien 66698186Sgordon if [ -z "$rc_arg" ]; then 667150796Syar rc_usage $_keywords 66878344Sobrien fi 66978344Sobrien 67078344Sobrien if [ -n "$flags" ]; then # allow override from environment 67198186Sgordon rc_flags=$flags 67278344Sobrien else 67398186Sgordon eval rc_flags=\$${name}_flags 67478344Sobrien fi 67598186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 67698186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 67798186Sgordon _group=\$${name}_group _groups=\$${name}_groups 67878344Sobrien 67998186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 680124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 68198186Sgordon unset _user 68298186Sgordon fi 68398186Sgordon fi 68498186Sgordon 685179870Smtm eval $_pidcmd # determine the pid if necessary 686179870Smtm 687179870Smtm for _elem in $_keywords; do 688179870Smtm if [ "$_elem" != "$rc_arg" ]; then 689179870Smtm continue 690179870Smtm fi 691206686Sdougb # if ${rcvar} is set, $1 is not "rcvar" 692206686Sdougb # and ${rc_pid} is not set, then run 69378344Sobrien # checkyesno ${rcvar} 69478344Sobrien # and return if that failed 69578344Sobrien # 696220760Sdougb if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" -a "$rc_arg" != "stop" ] || 697220760Sdougb [ -n "${rcvar}" -a "$rc_arg" = "stop" -a -z "${rc_pid}" ]; then 698179870Smtm if ! checkyesno ${rcvar}; then 699179870Smtm if [ -n "${rc_quiet}" ]; then 700179870Smtm return 0 701179870Smtm fi 702179870Smtm echo -n "Cannot '${rc_arg}' $name. Set ${rcvar} to " 703179870Smtm echo -n "YES in /etc/rc.conf or use 'one${rc_arg}' " 704179870Smtm echo "instead of '${rc_arg}'." 705175676Smtm return 0 706175676Smtm fi 70778344Sobrien fi 70878344Sobrien 70978344Sobrien # if there's a custom ${XXX_cmd}, 71078344Sobrien # run that instead of the default 71178344Sobrien # 712165565Syar eval _cmd=\$${rc_arg}_cmd \ 713165565Syar _precmd=\$${rc_arg}_precmd \ 714165565Syar _postcmd=\$${rc_arg}_postcmd 715165565Syar 71678344Sobrien if [ -n "$_cmd" ]; then 717165565Syar _run_rc_precmd || return 1 718165565Syar _run_rc_doit "$_cmd $rc_extra_args" || return 1 719165565Syar _run_rc_postcmd 720116097Smtm return $_return 72178344Sobrien fi 72278344Sobrien 72398186Sgordon case "$rc_arg" in # default operations... 72478344Sobrien 72578344Sobrien status) 726165565Syar _run_rc_precmd || return 1 72798186Sgordon if [ -n "$rc_pid" ]; then 72898186Sgordon echo "${name} is running as pid $rc_pid." 72978344Sobrien else 73078344Sobrien echo "${name} is not running." 73178344Sobrien return 1 73278344Sobrien fi 733165565Syar _run_rc_postcmd 73478344Sobrien ;; 73578344Sobrien 73678344Sobrien start) 737131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 738157473Sflz echo 1>&2 "${name} already running? (pid=$rc_pid)." 739153152Syar return 1 74078344Sobrien fi 74178344Sobrien 742167413Syar if [ ! -x ${_chroot}${_chroot:+"/"}${command} ]; then 743160667Syar warn "run_rc_command: cannot run $command" 744153152Syar return 1 74578344Sobrien fi 74678344Sobrien 747179946Smtm if ! _run_rc_precmd; then 748179946Smtm warn "failed precmd routine for ${name}" 749179946Smtm return 1 750179946Smtm fi 75178344Sobrien 752160668Syar # setup the full command to run 75378344Sobrien # 754197947Sdougb check_startmsgs && echo "Starting ${name}." 75578344Sobrien if [ -n "$_chroot" ]; then 75678344Sobrien _doit="\ 75778344Sobrien${_nice:+nice -n $_nice }\ 75878344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 75998186Sgordon$_chroot $command $rc_flags $command_args" 76078344Sobrien else 76178344Sobrien _doit="\ 762161396Syar${_chdir:+cd $_chdir && }\ 76398186Sgordon$command $rc_flags $command_args" 76498186Sgordon if [ -n "$_user" ]; then 76598186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 76698186Sgordon fi 767161396Syar if [ -n "$_nice" ]; then 768161396Syar if [ -z "$_user" ]; then 769161396Syar _doit="sh -c \"$_doit\"" 770201036Sdougb fi 771161396Syar _doit="nice -n $_nice $_doit" 772161396Syar fi 77378344Sobrien fi 77498186Sgordon 775165565Syar # run the full command 77698186Sgordon # 777179946Smtm if ! _run_rc_doit "$_doit"; then 778179946Smtm warn "failed to start ${name}" 779179946Smtm return 1 780179946Smtm fi 78198186Sgordon 78298186Sgordon # finally, run postcmd 78398186Sgordon # 784165565Syar _run_rc_postcmd 78578344Sobrien ;; 78678344Sobrien 78778344Sobrien stop) 78898186Sgordon if [ -z "$rc_pid" ]; then 789153152Syar [ -n "$rc_fast" ] && return 0 790165565Syar _run_rc_notrunning 791153152Syar return 1 79278344Sobrien fi 79378344Sobrien 794165565Syar _run_rc_precmd || return 1 79598186Sgordon 79698186Sgordon # send the signal to stop 79798186Sgordon # 79878344Sobrien echo "Stopping ${name}." 799165565Syar _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") 800165565Syar _run_rc_doit "$_doit" || return 1 80198186Sgordon 80298186Sgordon # wait for the command to exit, 80398186Sgordon # and run postcmd. 80498186Sgordon wait_for_pids $rc_pid 805165565Syar 806165565Syar _run_rc_postcmd 80778344Sobrien ;; 80878344Sobrien 80978344Sobrien reload) 81098186Sgordon if [ -z "$rc_pid" ]; then 811165565Syar _run_rc_notrunning 812153152Syar return 1 81378344Sobrien fi 814165565Syar 815165565Syar _run_rc_precmd || return 1 816165565Syar 817165565Syar _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") 818165565Syar _run_rc_doit "$_doit" || return 1 819165565Syar 820165565Syar _run_rc_postcmd 82178344Sobrien ;; 82278344Sobrien 82378344Sobrien restart) 82478344Sobrien # prevent restart being called more 82578344Sobrien # than once by any given script 82678344Sobrien # 827126285Smtm if ${_rc_restart_done:-false}; then 82878344Sobrien return 0 82978344Sobrien fi 830126285Smtm _rc_restart_done=true 83178344Sobrien 832165565Syar _run_rc_precmd || return 1 833165565Syar 834165565Syar # run those in a subshell to keep global variables 835152519Syar ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 836165565Syar ( run_rc_command ${_rc_prefix}start $rc_extra_args ) 837165565Syar _return=$? 838165565Syar [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 83998186Sgordon 840165565Syar _run_rc_postcmd 84178344Sobrien ;; 84278344Sobrien 84398186Sgordon poll) 844165565Syar _run_rc_precmd || return 1 84598186Sgordon if [ -n "$rc_pid" ]; then 84698186Sgordon wait_for_pids $rc_pid 84798186Sgordon fi 848165565Syar _run_rc_postcmd 84998186Sgordon ;; 85098186Sgordon 85178344Sobrien rcvar) 852197144Shrs echo -n "# $name" 853197144Shrs if [ -n "$desc" ]; then 854197144Shrs echo " : $desc" 855197144Shrs else 856197144Shrs echo "" 857197144Shrs fi 858197144Shrs echo "#" 859197144Shrs # Get unique vars in $rcvar $rcvars 860197144Shrs for _v in $rcvar $rcvars; do 861197144Shrs case $v in 862197144Shrs $_v\ *|\ *$_v|*\ $_v\ *) ;; 863197144Shrs *) v="${v# } $_v" ;; 864197144Shrs esac 865197144Shrs done 866197144Shrs 867197144Shrs # Display variables. 868197144Shrs for _v in $v; do 869197144Shrs if [ -z "$_v" ]; then 870197144Shrs continue 87178344Sobrien fi 872197144Shrs 873197144Shrs eval _desc=\$${_v}_desc 874197144Shrs eval _defval=\$${_v}_defval 875197144Shrs _h="-" 876197144Shrs 877197144Shrs eval echo \"$_v=\\\"\$$_v\\\"\" 878197144Shrs # decode multiple lines of _desc 879197144Shrs while [ -n "$_desc" ]; do 880197144Shrs case $_desc in 881197144Shrs *^^*) 882197144Shrs echo "# $_h ${_desc%%^^*}" 883197144Shrs _desc=${_desc#*^^} 884197144Shrs _h=" " 885197144Shrs ;; 886197144Shrs *) 887197144Shrs echo "# $_h ${_desc}" 888197144Shrs break 889197144Shrs ;; 890197144Shrs esac 891197144Shrs done 892197144Shrs echo "# (default: \"$_defval\")" 893197144Shrs done 894197144Shrs echo "" 89578344Sobrien ;; 89678344Sobrien 89778344Sobrien *) 898150796Syar rc_usage $_keywords 89978344Sobrien ;; 90078344Sobrien 90178344Sobrien esac 902116097Smtm return $_return 90378344Sobrien done 90478344Sobrien 90598186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 906150796Syar rc_usage $_keywords 907153152Syar # not reached 90878344Sobrien} 90978344Sobrien 91078344Sobrien# 911165565Syar# Helper functions for run_rc_command: common code. 912165565Syar# They use such global variables besides the exported rc_* ones: 913165565Syar# 914165565Syar# name R/W 915165565Syar# ------------------ 916165565Syar# _precmd R 917165565Syar# _postcmd R 918165565Syar# _return W 919165565Syar# 920165565Syar_run_rc_precmd() 921165565Syar{ 922165565Syar check_required_before "$rc_arg" || return 1 923165565Syar 924165565Syar if [ -n "$_precmd" ]; then 925165565Syar debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" 926165565Syar eval "$_precmd $rc_extra_args" 927165565Syar _return=$? 928165565Syar 929165565Syar # If precmd failed and force isn't set, request exit. 930165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 931165565Syar return 1 932165565Syar fi 933165565Syar fi 934165565Syar 935165565Syar check_required_after "$rc_arg" || return 1 936165565Syar 937165565Syar return 0 938165565Syar} 939165565Syar 940165565Syar_run_rc_postcmd() 941165565Syar{ 942165565Syar if [ -n "$_postcmd" ]; then 943165565Syar debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" 944165565Syar eval "$_postcmd $rc_extra_args" 945165565Syar _return=$? 946165565Syar fi 947165565Syar return 0 948165565Syar} 949165565Syar 950165565Syar_run_rc_doit() 951165565Syar{ 952165565Syar debug "run_rc_command: doit: $*" 953165565Syar eval "$@" 954165565Syar _return=$? 955165565Syar 956165565Syar # If command failed and force isn't set, request exit. 957165565Syar if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then 958165565Syar return 1 959165565Syar fi 960165565Syar 961165565Syar return 0 962165565Syar} 963165565Syar 964165565Syar_run_rc_notrunning() 965165565Syar{ 966165565Syar local _pidmsg 967165565Syar 968165565Syar if [ -n "$pidfile" ]; then 969165565Syar _pidmsg=" (check $pidfile)." 970165565Syar else 971165565Syar _pidmsg= 972165565Syar fi 973165565Syar echo 1>&2 "${name} not running?${_pidmsg}" 974165565Syar} 975165565Syar 976165565Syar_run_rc_killcmd() 977165565Syar{ 978165565Syar local _cmd 979165565Syar 980165565Syar _cmd="kill -$1 $rc_pid" 981165565Syar if [ -n "$_user" ]; then 982165565Syar _cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'" 983165565Syar fi 984165565Syar echo "$_cmd" 985165565Syar} 986165565Syar 987165565Syar# 98878344Sobrien# run_rc_script file arg 98978344Sobrien# Start the script `file' with `arg', and correctly handle the 990201038Sdougb# return value from the script. 991201038Sdougb# If `file' ends with `.sh', it's sourced into the current environment 992201038Sdougb# when $rc_fast_and_loose is set, otherwise it is run as a child process. 993201038Sdougb# If `file' appears to be a backup or scratch file, ignore it. 994201038Sdougb# Otherwise if it is executable run as a child process. 99578344Sobrien# 99678344Sobrienrun_rc_script() 99778344Sobrien{ 99878344Sobrien _file=$1 99978344Sobrien _arg=$2 100078344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 100178344Sobrien err 3 'USAGE: run_rc_script file arg' 100278344Sobrien fi 100378344Sobrien 100498186Sgordon unset name command command_args command_interpreter \ 100598186Sgordon extra_commands pidfile procname \ 1006197144Shrs rcvar rcvars rcvars_obsolete required_dirs required_files \ 1007197144Shrs required_vars 100898186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 100998186Sgordon 101078344Sobrien case "$_file" in 1011193118Sdougb /etc/rc.d/*.sh) # no longer allowed in the base 1012193118Sdougb warn "Ignoring old-style startup script $_file" 101378344Sobrien ;; 1014153105Sdougb *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 101598186Sgordon warn "Ignoring scratch file $_file" 101698186Sgordon ;; 101778344Sobrien *) # run in subshell 101898186Sgordon if [ -x $_file ]; then 101998186Sgordon if [ -n "$rc_fast_and_loose" ]; then 1020146490Sschweikh set $_arg; . $_file 102198186Sgordon else 1022130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 1023130161Smtm trap "echo Script $_file interrupted; exit 1" 2 1024184317Sthompsa trap "echo Script $_file running" 29 1025146490Sschweikh set $_arg; . $_file ) 102698186Sgordon fi 102798186Sgordon fi 102878344Sobrien ;; 102978344Sobrien esac 103078344Sobrien} 103178344Sobrien 103278344Sobrien# 1033157653Sflz# load_rc_config name 1034157653Sflz# Source in the configuration file for a given name. 103578344Sobrien# 103678344Sobrienload_rc_config() 103778344Sobrien{ 1038197144Shrs local _name _var _defval _v _msg _new 1039157653Sflz _name=$1 1040157653Sflz if [ -z "$_name" ]; then 1041157653Sflz err 3 'USAGE: load_rc_config name' 104278344Sobrien fi 104378344Sobrien 1044219612Sdougb if ${_rc_conf_loaded:-false}; then 1045219612Sdougb : 1046219612Sdougb else 104798186Sgordon if [ -r /etc/defaults/rc.conf ]; then 104898186Sgordon debug "Sourcing /etc/defaults/rc.conf" 104998186Sgordon . /etc/defaults/rc.conf 105098186Sgordon source_rc_confs 105198186Sgordon elif [ -r /etc/rc.conf ]; then 105298186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 105398186Sgordon . /etc/rc.conf 105498186Sgordon fi 1055126285Smtm _rc_conf_loaded=true 105698186Sgordon fi 1057161530Sflz if [ -f /etc/rc.conf.d/"$_name" ]; then 1058157653Sflz debug "Sourcing /etc/rc.conf.d/${_name}" 1059161530Sflz . /etc/rc.conf.d/"$_name" 1060157653Sflz fi 1061179872Smtm 1062197144Shrs # Set defaults if defined. 1063197144Shrs for _var in $rcvar $rcvars; do 1064223227Sjilles eval _defval=\$${_var}_defval 1065197144Shrs if [ -n "$_defval" ]; then 1066197144Shrs eval : \${$_var:=\$${_var}_defval} 1067197144Shrs fi 1068197144Shrs done 1069197144Shrs 1070197144Shrs # check obsolete rc.conf variables 1071197144Shrs for _var in $rcvars_obsolete; do 1072223227Sjilles eval _v=\$$_var 1073223227Sjilles eval _msg=\$${_var}_obsolete_msg 1074223227Sjilles eval _new=\$${_var}_newvar 1075197144Shrs case $_v in 1076197144Shrs "") 1077197144Shrs ;; 1078197144Shrs *) 1079197144Shrs if [ -z "$_new" ]; then 1080197144Shrs _msg="Ignored." 1081197144Shrs else 1082197144Shrs eval $_new=\"\$$_var\" 1083197144Shrs if [ -z "$_msg" ]; then 1084197144Shrs _msg="Use \$$_new instead." 1085197144Shrs fi 1086197144Shrs fi 1087197144Shrs warn "\$$_var is obsolete. $_msg" 1088197144Shrs ;; 1089197144Shrs esac 1090197144Shrs done 109178344Sobrien} 1092201036Sdougb 1093157473Sflz# 1094157653Sflz# load_rc_config_var name var 1095157653Sflz# Read the rc.conf(5) var for name and set in the 1096157473Sflz# current shell, using load_rc_config in a subshell to prevent 1097157473Sflz# unwanted side effects from other variable assignments. 1098157473Sflz# 1099157473Sflzload_rc_config_var() 1100157473Sflz{ 1101157473Sflz if [ $# -ne 2 ]; then 1102157653Sflz err 3 'USAGE: load_rc_config_var name var' 1103157473Sflz fi 1104157473Sflz eval $(eval '( 1105157473Sflz load_rc_config '$1' >/dev/null; 1106157473Sflz if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 1107157473Sflz echo '$2'=\'\''${'$2'}\'\''; 1108157473Sflz fi 1109157473Sflz )' ) 1110157473Sflz} 111178344Sobrien 111278344Sobrien# 111378344Sobrien# rc_usage commands 111478344Sobrien# Print a usage string for $0, with `commands' being a list of 111578344Sobrien# valid commands. 111678344Sobrien# 111778344Sobrienrc_usage() 111878344Sobrien{ 1119230007Srea echo -n 1>&2 "Usage: $0 [fast|force|one|quiet](" 112078344Sobrien 112178344Sobrien _sep= 1122126286Smtm for _elem; do 112378344Sobrien echo -n 1>&2 "$_sep$_elem" 112478344Sobrien _sep="|" 112578344Sobrien done 112678344Sobrien echo 1>&2 ")" 112778344Sobrien exit 1 112878344Sobrien} 112978344Sobrien 113078344Sobrien# 113178344Sobrien# err exitval message 113278344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 113378344Sobrien# 113478344Sobrienerr() 113578344Sobrien{ 113678344Sobrien exitval=$1 113778344Sobrien shift 113878344Sobrien 1139106643Sgordon if [ -x /usr/bin/logger ]; then 1140106643Sgordon logger "$0: ERROR: $*" 1141106643Sgordon fi 1142106643Sgordon echo 1>&2 "$0: ERROR: $*" 114378344Sobrien exit $exitval 114478344Sobrien} 114578344Sobrien 114678344Sobrien# 114778344Sobrien# warn message 114878344Sobrien# Display message to stderr and log to the syslog. 114978344Sobrien# 115078344Sobrienwarn() 115178344Sobrien{ 1152106643Sgordon if [ -x /usr/bin/logger ]; then 1153106643Sgordon logger "$0: WARNING: $*" 1154106643Sgordon fi 1155106643Sgordon echo 1>&2 "$0: WARNING: $*" 115678344Sobrien} 115798186Sgordon 115898186Sgordon# 115998186Sgordon# info message 116098186Sgordon# Display informational message to stdout and log to syslog. 116198186Sgordon# 116298186Sgordoninfo() 116398186Sgordon{ 1164119170Smtm case ${rc_info} in 1165119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1166119170Smtm if [ -x /usr/bin/logger ]; then 1167119170Smtm logger "$0: INFO: $*" 1168119170Smtm fi 1169119170Smtm echo "$0: INFO: $*" 1170119170Smtm ;; 1171119170Smtm esac 117298186Sgordon} 117398186Sgordon 117498186Sgordon# 117598186Sgordon# debug message 1176106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 117798186Sgordon# BEWARE that you don't call any subroutine that itself calls this 117898186Sgordon# function. 117998186Sgordon# 118098186Sgordondebug() 118198186Sgordon{ 118298186Sgordon case ${rc_debug} in 118398186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1184106700Sgordon if [ -x /usr/bin/logger ]; then 1185162947Syar logger "$0: DEBUG: $*" 1186106700Sgordon fi 1187146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 118898186Sgordon ;; 118998186Sgordon esac 119098186Sgordon} 119198186Sgordon 119298186Sgordon# 119398186Sgordon# backup_file action file cur backup 119498186Sgordon# Make a backup copy of `file' into `cur', and save the previous 119598186Sgordon# version of `cur' as `backup' or use rcs for archiving. 119698186Sgordon# 119798186Sgordon# This routine checks the value of the backup_uses_rcs variable, 119898186Sgordon# which can be either YES or NO. 119998186Sgordon# 120098186Sgordon# The `action' keyword can be one of the following: 120198186Sgordon# 120298186Sgordon# add `file' is now being backed up (and is possibly 120398186Sgordon# being reentered into the backups system). `cur' 120498186Sgordon# is created and RCS files, if necessary, are 120598186Sgordon# created as well. 120698186Sgordon# 120798186Sgordon# update `file' has changed and needs to be backed up. 120898186Sgordon# If `cur' exists, it is copied to to `back' or 120998186Sgordon# checked into RCS (if the repository file is old), 121098186Sgordon# and then `file' is copied to `cur'. Another RCS 121198186Sgordon# check in done here if RCS is being used. 121298186Sgordon# 121398186Sgordon# remove `file' is no longer being tracked by the backups 121498186Sgordon# system. If RCS is not being used, `cur' is moved 121598186Sgordon# to `back', otherwise an empty file is checked in, 121698186Sgordon# and then `cur' is removed. 121798186Sgordon# 121898186Sgordon# 121998186Sgordonbackup_file() 122098186Sgordon{ 122198186Sgordon _action=$1 122298186Sgordon _file=$2 122398186Sgordon _cur=$3 122498186Sgordon _back=$4 122598186Sgordon 122698186Sgordon if checkyesno backup_uses_rcs; then 122798186Sgordon _msg0="backup archive" 122898186Sgordon _msg1="update" 122998186Sgordon 123098186Sgordon # ensure that history file is not locked 123198186Sgordon if [ -f $_cur,v ]; then 123298186Sgordon rcs -q -u -U -M $_cur 123398186Sgordon fi 123498186Sgordon 123598186Sgordon # ensure after switching to rcs that the 123698186Sgordon # current backup is not lost 123798186Sgordon if [ -f $_cur ]; then 123898186Sgordon # no archive, or current newer than archive 123998186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 124098186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 124198186Sgordon rcs -q -kb -U $_cur 124298186Sgordon co -q -f -u $_cur 124398186Sgordon fi 124498186Sgordon fi 124598186Sgordon 124698186Sgordon case $_action in 124798186Sgordon add|update) 124898186Sgordon cp -p $_file $_cur 124998186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 125098186Sgordon rcs -q -kb -U $_cur 125198186Sgordon co -q -f -u $_cur 125298186Sgordon chown root:wheel $_cur $_cur,v 125398186Sgordon ;; 125498186Sgordon remove) 125598186Sgordon cp /dev/null $_cur 125698186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 125798186Sgordon rcs -q -kb -U $_cur 125898186Sgordon chown root:wheel $_cur $_cur,v 125998186Sgordon rm $_cur 126098186Sgordon ;; 126198186Sgordon esac 126298186Sgordon else 126398186Sgordon case $_action in 126498186Sgordon add|update) 126598186Sgordon if [ -f $_cur ]; then 126698186Sgordon cp -p $_cur $_back 126798186Sgordon fi 126898186Sgordon cp -p $_file $_cur 126998186Sgordon chown root:wheel $_cur 127098186Sgordon ;; 127198186Sgordon remove) 127298186Sgordon mv -f $_cur $_back 127398186Sgordon ;; 127498186Sgordon esac 127598186Sgordon fi 127698186Sgordon} 1277119166Smtm 1278123344Smtm# make_symlink src link 1279123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1280123344Smtm# directory in which link is to be created does not exist 1281123344Smtm# a warning will be displayed and an error will be returned. 1282229783Suqs# Returns 0 on success, 1 otherwise. 1283119166Smtm# 1284123344Smtmmake_symlink() 1285119166Smtm{ 1286123344Smtm local src link linkdir _me 1287123344Smtm src="$1" 1288123344Smtm link="$2" 1289123344Smtm linkdir="`dirname $link`" 1290123344Smtm _me="make_symlink()" 1291119166Smtm 1292123344Smtm if [ -z "$src" -o -z "$link" ]; then 1293123344Smtm warn "$_me: requires two arguments." 1294119166Smtm return 1 1295119166Smtm fi 1296123344Smtm if [ ! -d "$linkdir" ]; then 1297160667Syar warn "$_me: the directory $linkdir does not exist." 1298119166Smtm return 1 1299119166Smtm fi 1300146490Sschweikh if ! ln -sf $src $link; then 1301123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1302119166Smtm return 1 1303119166Smtm fi 1304119166Smtm return 0 1305119166Smtm} 1306119166Smtm 1307119166Smtm# devfs_rulesets_from_file file 1308119166Smtm# Reads a set of devfs commands from file, and creates 1309119166Smtm# the specified rulesets with their rules. Returns non-zero 1310119166Smtm# if there was an error. 1311119166Smtm# 1312119166Smtmdevfs_rulesets_from_file() 1313119166Smtm{ 1314119166Smtm local file _err _me 1315119166Smtm file="$1" 1316119166Smtm _me="devfs_rulesets_from_file" 1317119166Smtm _err=0 1318119166Smtm 1319119166Smtm if [ -z "$file" ]; then 1320119166Smtm warn "$_me: you must specify a file" 1321119166Smtm return 1 1322119166Smtm fi 1323119166Smtm if [ ! -e "$file" ]; then 1324119166Smtm debug "$_me: no such file ($file)" 1325119166Smtm return 0 1326119166Smtm fi 1327119166Smtm debug "reading rulesets from file ($file)" 1328119166Smtm { while read line 1329119166Smtm do 1330119166Smtm case $line in 1331119166Smtm \#*) 1332119166Smtm continue 1333119166Smtm ;; 1334119166Smtm \[*\]*) 1335119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1336119166Smtm if [ -z "$rulenum" ]; then 1337119166Smtm warn "$_me: cannot extract rule number ($line)" 1338119166Smtm _err=1 1339119166Smtm break 1340119166Smtm fi 1341119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1342119166Smtm if [ -z "$rulename" ]; then 1343119166Smtm warn "$_me: cannot extract rule name ($line)" 1344119166Smtm _err=1 1345119166Smtm break; 1346119166Smtm fi 1347119166Smtm eval $rulename=\$rulenum 1348119166Smtm debug "found ruleset: $rulename=$rulenum" 1349146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1350119166Smtm _err=1 1351119166Smtm break 1352119166Smtm fi 1353119166Smtm ;; 1354119166Smtm *) 1355119166Smtm rulecmd="${line%%"\#*"}" 1356119166Smtm # evaluate the command incase it includes 1357119166Smtm # other rules 1358119166Smtm if [ -n "$rulecmd" ]; then 1359119166Smtm debug "adding rule ($rulecmd)" 1360119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1361119166Smtm then 1362119166Smtm _err=1 1363119166Smtm break 1364119166Smtm fi 1365119166Smtm fi 1366119166Smtm ;; 1367119166Smtm esac 1368119166Smtm if [ $_err -ne 0 ]; then 1369119166Smtm debug "error in $_me" 1370119166Smtm break 1371119166Smtm fi 1372119166Smtm done } < $file 1373119166Smtm return $_err 1374119166Smtm} 1375119166Smtm 1376119166Smtm# devfs_init_rulesets 1377119166Smtm# Initializes rulesets from configuration files. Returns 1378119166Smtm# non-zero if there was an error. 1379119166Smtm# 1380119166Smtmdevfs_init_rulesets() 1381119166Smtm{ 1382119166Smtm local file _me 1383119166Smtm _me="devfs_init_rulesets" 1384119166Smtm 1385119166Smtm # Go through this only once 1386119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1387119166Smtm debug "$_me: devfs rulesets already initialized" 1388119166Smtm return 1389119166Smtm fi 1390146490Sschweikh for file in $devfs_rulesets; do 1391217090Sjh if ! devfs_rulesets_from_file $file; then 1392217090Sjh warn "$_me: could not read rules from $file" 1393217090Sjh return 1 1394217090Sjh fi 1395119166Smtm done 1396119166Smtm devfs_rulesets_init=1 1397119166Smtm debug "$_me: devfs rulesets initialized" 1398119166Smtm return 0 1399119166Smtm} 1400119166Smtm 1401119166Smtm# devfs_set_ruleset ruleset [dir] 1402151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1403119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1404119166Smtm# Returns non-zero if it could not set it successfully. 1405119166Smtm# 1406119166Smtmdevfs_set_ruleset() 1407119166Smtm{ 1408119166Smtm local devdir rs _me 1409119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1410119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1411119166Smtm _me="devfs_set_ruleset" 1412119166Smtm 1413119166Smtm if [ -z "$rs" ]; then 1414119166Smtm warn "$_me: you must specify a ruleset number" 1415119166Smtm return 1 1416119166Smtm fi 1417119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1418146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1419119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1420119166Smtm return 1 1421119166Smtm fi 1422119166Smtm return 0 1423119166Smtm} 1424119166Smtm 1425119166Smtm# devfs_apply_ruleset ruleset [dir] 1426119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1427119166Smtm# The ruleset argument must be a ruleset name as specified 1428119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1429119166Smtm# if it could not apply the ruleset. 1430119166Smtm# 1431119166Smtmdevfs_apply_ruleset() 1432119166Smtm{ 1433119166Smtm local devdir rs _me 1434119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1435119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1436119166Smtm _me="devfs_apply_ruleset" 1437119166Smtm 1438119166Smtm if [ -z "$rs" ]; then 1439119166Smtm warn "$_me: you must specify a ruleset" 1440119166Smtm return 1 1441119166Smtm fi 1442119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1443146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1444119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1445119166Smtm return 1 1446119166Smtm fi 1447119166Smtm return 0 1448119166Smtm} 1449119166Smtm 1450119166Smtm# devfs_domount dir [ruleset] 1451119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1452119166Smtm# on the mount-point. It must also be a ruleset name as specified 1453119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1454119166Smtm# 1455119166Smtmdevfs_domount() 1456119166Smtm{ 1457119166Smtm local devdir rs _me 1458119166Smtm devdir="$1" 1459119166Smtm [ -n "$2" ] && rs=$2 || rs= 1460119166Smtm _me="devfs_domount()" 1461119166Smtm 1462119166Smtm if [ -z "$devdir" ]; then 1463119166Smtm warn "$_me: you must specify a mount-point" 1464119166Smtm return 1 1465119166Smtm fi 1466119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1467146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1468119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1469119166Smtm return 1 1470119166Smtm fi 1471119166Smtm if [ -n "$rs" ]; then 1472119166Smtm devfs_init_rulesets 1473119166Smtm devfs_set_ruleset $rs $devdir 1474124797Scperciva devfs -m $devdir rule applyset 1475119166Smtm fi 1476119166Smtm return 0 1477119166Smtm} 1478119166Smtm 1479119166Smtm# devfs_mount_jail dir [ruleset] 1480119166Smtm# Mounts a devfs file system appropriate for jails 1481119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1482119166Smtm# it names will be used instead. If present, ruleset must 1483119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1484119166Smtm# This function returns non-zero if an error occurs. 1485119166Smtm# 1486119166Smtmdevfs_mount_jail() 1487119166Smtm{ 1488119166Smtm local jdev rs _me 1489119166Smtm jdev="$1" 1490119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1491119166Smtm _me="devfs_mount_jail" 1492119166Smtm 1493119166Smtm devfs_init_rulesets 1494146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1495119166Smtm warn "$_me: devfs was not mounted on $jdev" 1496119166Smtm return 1 1497119166Smtm fi 1498119166Smtm return 0 1499119166Smtm} 1500127345Sbrooks 1501127345Sbrooks# Provide a function for normalizing the mounting of memory 1502127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1503127345Sbrooks# as close as possible between 5-current and 4-stable. 1504127345Sbrooks# $1 = size 1505127345Sbrooks# $2 = mount point 1506137451Skeramida# $3 = (optional) extra mdmfs flags 1507146490Sschweikhmount_md() 1508146490Sschweikh{ 1509127345Sbrooks if [ -n "$3" ]; then 1510137451Skeramida flags="$3" 1511127345Sbrooks fi 1512149421Syar /sbin/mdmfs $flags -s $1 md $2 1513127345Sbrooks} 1514131550Scperciva 1515159828Syar# Code common to scripts that need to load a kernel module 1516159828Syar# if it isn't in the kernel yet. Syntax: 1517160666Syar# load_kld [-e regex] [-m module] file 1518159828Syar# where -e or -m chooses the way to check if the module 1519159828Syar# is already loaded: 1520160666Syar# regex is egrep'd in the output from `kldstat -v', 1521160666Syar# module is passed to `kldstat -m'. 1522160666Syar# The default way is as though `-m file' were specified. 1523159828Syarload_kld() 1524159828Syar{ 1525159828Syar local _loaded _mod _opt _re 1526159828Syar 1527159828Syar while getopts "e:m:" _opt; do 1528159828Syar case "$_opt" in 1529159828Syar e) _re="$OPTARG" ;; 1530159828Syar m) _mod="$OPTARG" ;; 1531160666Syar *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1532159828Syar esac 1533159828Syar done 1534159828Syar shift $(($OPTIND - 1)) 1535160666Syar if [ $# -ne 1 ]; then 1536160666Syar err 3 'USAGE: load_kld [-e regex] [-m module] file' 1537160666Syar fi 1538159828Syar _mod=${_mod:-$1} 1539159828Syar _loaded=false 1540159828Syar if [ -n "$_re" ]; then 1541159828Syar if kldstat -v | egrep -q -e "$_re"; then 1542159828Syar _loaded=true 1543159828Syar fi 1544159828Syar else 1545159828Syar if kldstat -q -m "$_mod"; then 1546159828Syar _loaded=true 1547159828Syar fi 1548159828Syar fi 1549159828Syar if ! $_loaded; then 1550159828Syar if ! kldload "$1"; then 1551159828Syar warn "Unable to load kernel module $1" 1552159828Syar return 1 1553160666Syar else 1554160666Syar info "$1 kernel module loaded." 1555159828Syar fi 1556160666Syar else 1557160666Syar debug "load_kld: $1 kernel module already loaded." 1558159828Syar fi 1559159828Syar return 0 1560159828Syar} 1561159828Syar 1562149049Spjd# ltr str src dst 1563149049Spjd# Change every $src in $str to $dst. 1564149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1565149049Spjd# awk(1). 1566149049Spjdltr() 1567149049Spjd{ 1568149049Spjd local _str _src _dst _out _com 1569149049Spjd _str=$1 1570149049Spjd _src=$2 1571149049Spjd _dst=$3 1572149049Spjd _out="" 1573149049Spjd 1574149049Spjd IFS=${_src} 1575149049Spjd for _com in ${_str}; do 1576149049Spjd if [ -z "${_out}" ]; then 1577149049Spjd _out="${_com}" 1578149049Spjd else 1579149049Spjd _out="${_out}${_dst}${_com}" 1580149049Spjd fi 1581149049Spjd done 1582149049Spjd echo "${_out}" 1583149049Spjd} 1584149049Spjd 1585149050Spjd# Creates a list of providers for GELI encryption. 1586149050Spjdgeli_make_list() 1587149050Spjd{ 1588149050Spjd local devices devices2 1589149050Spjd local provider mountpoint type options rest 1590149050Spjd 1591149050Spjd # Create list of GELI providers from fstab. 1592149050Spjd while read provider mountpoint type options rest ; do 1593155570Sflz case ":${options}" in 1594155570Sflz :*noauto*) 1595155570Sflz noauto=yes 1596155570Sflz ;; 1597155570Sflz *) 1598155570Sflz noauto=no 1599155570Sflz ;; 1600155570Sflz esac 1601155570Sflz 1602149050Spjd case ":${provider}" in 1603149050Spjd :#*) 1604149050Spjd continue 1605149050Spjd ;; 1606149050Spjd *.eli) 1607149050Spjd # Skip swap devices. 1608155570Sflz if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1609149050Spjd continue 1610149050Spjd fi 1611149050Spjd devices="${devices} ${provider}" 1612149050Spjd ;; 1613149050Spjd esac 1614149050Spjd done < /etc/fstab 1615149050Spjd 1616149050Spjd # Append providers from geli_devices. 1617149050Spjd devices="${devices} ${geli_devices}" 1618149050Spjd 1619149050Spjd for provider in ${devices}; do 1620149050Spjd provider=${provider%.eli} 1621149050Spjd provider=${provider#/dev/} 1622149050Spjd devices2="${devices2} ${provider}" 1623149050Spjd done 1624149050Spjd 1625149050Spjd echo ${devices2} 1626149050Spjd} 1627149050Spjd 1628153027Sdougb# Find scripts in local_startup directories that use the old syntax 1629153027Sdougb# 1630153027Sdougbfind_local_scripts_old () { 1631153027Sdougb zlist='' 1632153027Sdougb slist='' 1633153027Sdougb for dir in ${local_startup}; do 1634153027Sdougb if [ -d "${dir}" ]; then 1635153027Sdougb for file in ${dir}/[0-9]*.sh; do 1636153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1637153027Sdougb continue 1638153027Sdougb zlist="$zlist $file" 1639153027Sdougb done 1640227366Sjilles for file in ${dir}/[!0-9]*.sh; do 1641153027Sdougb grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1642153027Sdougb continue 1643153027Sdougb slist="$slist $file" 1644153027Sdougb done 1645153027Sdougb fi 1646153027Sdougb done 1647153027Sdougb} 1648153027Sdougb 1649153027Sdougbfind_local_scripts_new () { 1650153027Sdougb local_rc='' 1651153027Sdougb for dir in ${local_startup}; do 1652153027Sdougb if [ -d "${dir}" ]; then 1653153297Sdougb for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1654153027Sdougb case "$file" in 1655153027Sdougb *.sample) ;; 1656153027Sdougb *) if [ -x "$file" ]; then 1657153027Sdougb local_rc="${local_rc} ${file}" 1658153027Sdougb fi 1659153027Sdougb ;; 1660153027Sdougb esac 1661153027Sdougb done 1662153027Sdougb fi 1663153027Sdougb done 1664153027Sdougb} 1665153027Sdougb 1666165565Syar# check_required_{before|after} command 1667165565Syar# Check for things required by the command before and after its precmd, 1668165565Syar# respectively. The two separate functions are needed because some 1669165565Syar# conditions should prevent precmd from being run while other things 1670165565Syar# depend on precmd having already been run. 1671165565Syar# 1672165565Syarcheck_required_before() 1673165565Syar{ 1674165565Syar local _f 1675165565Syar 1676165565Syar case "$1" in 1677165565Syar start) 1678165565Syar for _f in $required_vars; do 1679165565Syar if ! checkyesno $_f; then 1680165565Syar warn "\$${_f} is not enabled." 1681165565Syar if [ -z "$rc_force" ]; then 1682165565Syar return 1 1683165565Syar fi 1684165565Syar fi 1685165565Syar done 1686165565Syar 1687165565Syar for _f in $required_dirs; do 1688165565Syar if [ ! -d "${_f}/." ]; then 1689165565Syar warn "${_f} is not a directory." 1690165565Syar if [ -z "$rc_force" ]; then 1691165565Syar return 1 1692165565Syar fi 1693165565Syar fi 1694165565Syar done 1695165565Syar 1696165565Syar for _f in $required_files; do 1697165565Syar if [ ! -r "${_f}" ]; then 1698165565Syar warn "${_f} is not readable." 1699165565Syar if [ -z "$rc_force" ]; then 1700165565Syar return 1 1701165565Syar fi 1702165565Syar fi 1703165565Syar done 1704165565Syar ;; 1705165565Syar esac 1706165565Syar 1707165565Syar return 0 1708165565Syar} 1709165565Syar 1710165565Syarcheck_required_after() 1711165565Syar{ 1712165565Syar local _f _args 1713165565Syar 1714165565Syar case "$1" in 1715165565Syar start) 1716165565Syar for _f in $required_modules; do 1717165565Syar case "${_f}" in 1718165565Syar *~*) _args="-e ${_f#*~} ${_f%%~*}" ;; 1719165565Syar *:*) _args="-m ${_f#*:} ${_f%%:*}" ;; 1720165565Syar *) _args="${_f}" ;; 1721165565Syar esac 1722165565Syar if ! load_kld ${_args}; then 1723165565Syar if [ -z "$rc_force" ]; then 1724165565Syar return 1 1725165565Syar fi 1726165565Syar fi 1727165565Syar done 1728165565Syar ;; 1729165565Syar esac 1730165565Syar 1731165565Syar return 0 1732165565Syar} 1733165565Syar 1734222996Shrs# check_kern_features mib 1735222996Shrs# Return existence of kern.features.* sysctl MIB as true or 1736222996Shrs# false. The result will be cached in $_rc_cache_kern_features_ 1737222996Shrs# namespace. "0" means the kern.features.X exists. 1738222996Shrs 1739222996Shrscheck_kern_features() 1740222996Shrs{ 1741222996Shrs local _v 1742222996Shrs 1743222996Shrs [ -n "$1" ] || return 1; 1744223292Sjilles eval _v=\$_rc_cache_kern_features_$1 1745222996Shrs [ -n "$_v" ] && return "$_v"; 1746222996Shrs 1747222996Shrs if ${SYSCTL_N} kern.features.$1 > /dev/null 2>&1; then 1748222996Shrs eval _rc_cache_kern_features_$1=0 1749222996Shrs return 0 1750222996Shrs else 1751222996Shrs eval _rc_cache_kern_features_$1=1 1752222996Shrs return 1 1753222996Shrs fi 1754222996Shrs} 1755222996Shrs 1756197144Shrs# _echoonce var msg mode 1757197144Shrs# mode=0: Echo $msg if ${$var} is empty. 1758197144Shrs# After doing echo, a string is set to ${$var}. 1759197144Shrs# 1760197144Shrs# mode=1: Echo $msg if ${$var} is a string with non-zero length. 1761197144Shrs# 1762197144Shrs_echoonce() 1763197144Shrs{ 1764197144Shrs local _var _msg _mode 1765223227Sjilles eval _var=\$$1 1766197144Shrs _msg=$2 1767197144Shrs _mode=$3 1768197144Shrs 1769197144Shrs case $_mode in 1770197144Shrs 1) [ -n "$_var" ] && echo "$_msg" ;; 1771197144Shrs *) [ -z "$_var" ] && echo -n "$_msg" && eval "$1=finished" ;; 1772197144Shrs esac 1773197144Shrs} 1774197144Shrs 1775223298Sjillesfi # [ -z "${_rc_subr_loaded}" ] 1776223298Sjilles 1777157841Sflz_rc_subr_loaded=: 1778