rc.subr revision 131550
1126288Smtm# $NetBSD: rc.subr,v 1.60 2003/07/26 05:13:47 lukem Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 131550 2004-07-04 07:21:18Z cperciva $ 378344Sobrien# 498186Sgordon# Copyright (c) 1997-2002 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# 3. All advertising materials mentioning features or use of this software 1978344Sobrien# must display the following acknowledgement: 2078344Sobrien# This product includes software developed by the NetBSD 2178344Sobrien# Foundation, Inc. and its contributors. 2278344Sobrien# 4. Neither the name of The NetBSD Foundation nor the names of its 2378344Sobrien# contributors may be used to endorse or promote products derived 2478344Sobrien# from this software without specific prior written permission. 2578344Sobrien# 2678344Sobrien# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2778344Sobrien# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2878344Sobrien# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2978344Sobrien# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3078344Sobrien# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3178344Sobrien# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3278344Sobrien# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3378344Sobrien# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3478344Sobrien# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3578344Sobrien# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3678344Sobrien# POSSIBILITY OF SUCH DAMAGE. 3778344Sobrien# 3878344Sobrien# rc.subr 3978344Sobrien# functions used by various rc scripts 4078344Sobrien# 4178344Sobrien 4278344Sobrien# 4398186Sgordon# Operating System dependent/independent variables 4498186Sgordon# 4598186Sgordon 46131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 47131550Scperciva 48131550Scperciva_rc_subr_loaded="YES" 49131550Scperciva 5098186SgordonSYSCTL="/sbin/sysctl" 5198186SgordonSYSCTL_N="${SYSCTL} -n" 5298186SgordonCMD_OSTYPE="${SYSCTL_N} kern.ostype" 53103018SgordonOSTYPE=`${CMD_OSTYPE}` 54124832SmtmID="/usr/bin/id" 55124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 5698186Sgordon 57103018Sgordoncase ${OSTYPE} in 5898186SgordonFreeBSD) 5998186Sgordon SYSCTL_W="${SYSCTL}" 6098186Sgordon ;; 6198186SgordonNetBSD) 6298186Sgordon SYSCTL_W="${SYSCTL} -w" 6398186Sgordon ;; 6498186Sgordonesac 6598186Sgordon 6698186Sgordon# 6778344Sobrien# functions 6878344Sobrien# --------- 6978344Sobrien 7078344Sobrien# 7198186Sgordon# set_rcvar base_var 7298186Sgordon# Set the variable name enabling a specific service. 7398186Sgordon# FreeBSD uses ${service}_enable, while NetBSD uses 7498186Sgordon# just the name of the service. For example: 7598186Sgordon# FreeBSD: sendmail_enable="YES" 7698186Sgordon# NetBSD : sendmail="YES" 7798186Sgordon# $1 - if $name is not the base to work of off, specify 7898186Sgordon# a different one 7998186Sgordon# 8098186Sgordonset_rcvar() 8198186Sgordon{ 8298186Sgordon if [ -z "$1" ]; then 8398186Sgordon base_var=${name} 8498186Sgordon else 8598186Sgordon base_var="$1" 8698186Sgordon fi 8798186Sgordon 88103018Sgordon case ${OSTYPE} in 8998186Sgordon FreeBSD) 9098186Sgordon echo ${base_var}_enable 9198186Sgordon ;; 9298186Sgordon NetBSD) 9398186Sgordon echo ${base_var} 9498186Sgordon ;; 9598186Sgordon *) 9698186Sgordon echo 'XXX' 9798186Sgordon ;; 9898186Sgordon esac 9998186Sgordon} 10098186Sgordon 10198186Sgordon# 10298186Sgordon# force_depend script 10398186Sgordon# Force a service to start. Intended for use by services 10498186Sgordon# to resolve dependency issues. It is assumed the caller 10598186Sgordon# has check to make sure this call is necessary 10698186Sgordon# $1 - filename of script, in /etc/rc.d, to run 10798186Sgordon# 10898186Sgordonforce_depend() 10998186Sgordon{ 11098186Sgordon _depend="$1" 11198186Sgordon 11298186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 11398186Sgordon if ! /etc/rc.d/${_depend} forcestart ; then 11498186Sgordon warn "Unable to force ${_depend}. It may already be running." 11598186Sgordon return 1 11698186Sgordon fi 11798186Sgordon return 0 11898186Sgordon} 11998186Sgordon 12098186Sgordon# 12178344Sobrien# checkyesno var 12278344Sobrien# Test $1 variable, and warn if not set to YES or NO. 12378344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 12478344Sobrien# 12578344Sobriencheckyesno() 12678344Sobrien{ 12778344Sobrien eval _value=\$${1} 12898186Sgordon debug "checkyesno: $1 is set to $_value." 12978344Sobrien case $_value in 13078344Sobrien 13178344Sobrien # "yes", "true", "on", or "1" 13278344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 13378344Sobrien return 0 13478344Sobrien ;; 13578344Sobrien 13678344Sobrien # "no", "false", "off", or "0" 13778344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 13878344Sobrien return 1 13978344Sobrien ;; 14078344Sobrien *) 141106643Sgordon warn "\$${1} is not set properly - see rc.conf(5)." 14278344Sobrien return 1 14378344Sobrien ;; 14478344Sobrien esac 14578344Sobrien} 14678344Sobrien 14798186Sgordon# reverse_list list 14898186Sgordon# print the list in reverse order 14978344Sobrien# 15098186Sgordonreverse_list() 15198186Sgordon{ 15298186Sgordon _revlist= 153126286Smtm for _revfile; do 15498186Sgordon _revlist="$_revfile $_revlist" 15598186Sgordon done 15698186Sgordon echo $_revlist 15798186Sgordon} 15898186Sgordon 15978344Sobrien# 16098186Sgordon# mount_critical_filesystems type 16198186Sgordon# Go through the list of critical filesystems as provided in 16298186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 16398186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 16498186Sgordon# 16578344Sobrienmount_critical_filesystems() 16678344Sobrien{ 16798186Sgordon eval _fslist=\$critical_filesystems_${1} 16878344Sobrien for _fs in $_fslist; do 16978344Sobrien mount | ( 170126285Smtm _ismounted=false 17178344Sobrien while read what _on on _type type; do 17278344Sobrien if [ $on = $_fs ]; then 173126285Smtm _ismounted=true 17478344Sobrien fi 17578344Sobrien done 176126285Smtm if $_ismounted; then 177126285Smtm : 178126285Smtm else 17978344Sobrien mount $_fs >/dev/null 2>&1 18078344Sobrien fi 18198186Sgordon ) 18278344Sobrien done 18378344Sobrien} 18478344Sobrien 18578344Sobrien# 18698186Sgordon# check_pidfile pidfile procname [interpreter] 18798186Sgordon# Parses the first line of pidfile for a PID, and ensures 18878344Sobrien# that the process is running and matches procname. 18998186Sgordon# Prints the matching PID upon success, nothing otherwise. 19098186Sgordon# interpreter is optional; see _find_processes() for details. 19178344Sobrien# 19278344Sobriencheck_pidfile() 19378344Sobrien{ 19478344Sobrien _pidfile=$1 19578344Sobrien _procname=$2 19698186Sgordon _interpreter=$3 19778344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 19898186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 19978344Sobrien fi 20078344Sobrien if [ ! -f $_pidfile ]; then 201131061Smtm debug "pid file ($_pidfile): not readable." 20278344Sobrien return 20378344Sobrien fi 20478344Sobrien read _pid _junk < $_pidfile 20578344Sobrien if [ -z "$_pid" ]; then 20698186Sgordon debug "pid file {$_pidfile): no pid in file." 20778344Sobrien return 20878344Sobrien fi 20998186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 21078344Sobrien} 21178344Sobrien 21278344Sobrien# 21398186Sgordon# check_process procname [interpreter] 21478344Sobrien# Ensures that a process (or processes) named procname is running. 21598186Sgordon# Prints a list of matching PIDs. 21698186Sgordon# interpreter is optional; see _find_processes() for details. 21778344Sobrien# 21878344Sobriencheck_process() 21978344Sobrien{ 22078344Sobrien _procname=$1 22198186Sgordon _interpreter=$2 22278344Sobrien if [ -z "$_procname" ]; then 22398186Sgordon err 3 'USAGE: check_process procname [interpreter]' 22478344Sobrien fi 22598186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 22698186Sgordon} 22798186Sgordon 22898186Sgordon# 22998186Sgordon# _find_processes procname interpreter psargs 23098186Sgordon# Search for procname in the output of ps generated by psargs. 23198186Sgordon# Prints the PIDs of any matching processes, space separated. 23298186Sgordon# 23398186Sgordon# If interpreter == ".", check the following variations of procname 23498186Sgordon# against the first word of each command: 23598186Sgordon# procname 23698186Sgordon# `basename procname` 23798186Sgordon# `basename procname` + ":" 23898186Sgordon# "(" + `basename procname` + ")" 23998186Sgordon# 24098186Sgordon# If interpreter != ".", read the first line of procname, remove the 24198186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 24298186Sgordon# match that against each command, either as is, or with extra words 24398186Sgordon# at the end. 24498186Sgordon# 24598186Sgordon_find_processes() 24698186Sgordon{ 24798186Sgordon if [ $# -ne 3 ]; then 24898186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 24998186Sgordon fi 25098186Sgordon _procname=$1 25198186Sgordon _interpreter=$2 25298186Sgordon _psargs=$3 25398186Sgordon 25478344Sobrien _pref= 25598186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 25698186Sgordon read _interp < $_procname # read interpreter name 25798186Sgordon _interp=${_interp#\#!} # strip #! 25898186Sgordon set -- $_interp 25998186Sgordon if [ $_interpreter != $1 ]; then 26098186Sgordon warn "\$command_interpreter $_interpreter != $1" 26178344Sobrien fi 26298186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 26398186Sgordon _fp_args='_argv' 26498186Sgordon _fp_match='case "$_argv" in 26598186Sgordon ${_interp}|"${_interp} "*)' 26698186Sgordon else # a normal daemon 26798186Sgordon _procnamebn=${_procname##*/} 26898186Sgordon _fp_args='_arg0 _argv' 26998186Sgordon _fp_match='case "$_arg0" in 27098186Sgordon $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})")' 27198186Sgordon fi 27298186Sgordon 27398186Sgordon _proccheck=' 274126556Smtm ps 2>/dev/null -o "pid,command" '"$_psargs"' | 27598186Sgordon while read _npid '"$_fp_args"'; do 27698186Sgordon case "$_npid" in 27798186Sgordon PID) 27898186Sgordon continue ;; 27998186Sgordon esac ; '"$_fp_match"' 28098186Sgordon echo -n "$_pref$_npid" ; 28198186Sgordon _pref=" " 28298186Sgordon ;; 28398186Sgordon esac 28498186Sgordon done' 28598186Sgordon 286114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 28798186Sgordon eval $_proccheck 28898186Sgordon} 28998186Sgordon 29098186Sgordon# 29198186Sgordon# wait_for_pids pid [pid ...] 29298186Sgordon# spins until none of the pids exist 29398186Sgordon# 29498186Sgordonwait_for_pids() 29598186Sgordon{ 296126286Smtm _list="$@" 29798186Sgordon if [ -z "$_list" ]; then 29898186Sgordon return 29998186Sgordon fi 30098186Sgordon _prefix= 30198186Sgordon while true; do 30298186Sgordon _nlist=""; 30398186Sgordon for _j in $_list; do 30498186Sgordon if kill -0 $_j 2>/dev/null; then 30598186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 30698186Sgordon fi 30798186Sgordon done 30898186Sgordon if [ -z "$_nlist" ]; then 30998186Sgordon break 31078344Sobrien fi 31198186Sgordon _list=$_nlist 31298186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 31398186Sgordon _prefix=", " 31498186Sgordon sleep 2 31578344Sobrien done 31698186Sgordon if [ -n "$_prefix" ]; then 31798186Sgordon echo "." 31898186Sgordon fi 31978344Sobrien} 32078344Sobrien 32178344Sobrien# 32298186Sgordon# run_rc_command argument 32398186Sgordon# Search for argument in the list of supported commands, which is: 32498186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 32598186Sgordon# If there's a match, run ${argument}_cmd or the default method 32698186Sgordon# (see below). 32778344Sobrien# 32898186Sgordon# If argument has a given prefix, then change the operation as follows: 32998186Sgordon# Prefix Operation 33078344Sobrien# ------ --------- 33198186Sgordon# fast Skip the pid check, and set rc_fast=yes 33298186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 333126303Smtm# one Set ${rcvar} to YES 33478344Sobrien# 33578344Sobrien# The following globals are used: 33678344Sobrien# 33798186Sgordon# Name Needed Purpose 33898186Sgordon# ---- ------ ------- 33978344Sobrien# name y Name of script. 34078344Sobrien# 34178344Sobrien# command n Full path to command. 34298186Sgordon# Not needed if ${rc_arg}_cmd is set for 34378344Sobrien# each keyword. 34478344Sobrien# 34578344Sobrien# command_args n Optional args/shell directives for command. 34678344Sobrien# 34798186Sgordon# command_interpreter n If not empty, command is interpreted, so 34898186Sgordon# call check_{pidfile,process}() appropriately. 34998186Sgordon# 35078344Sobrien# extra_commands n List of extra commands supported. 35178344Sobrien# 35298186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 35398186Sgordon# otherwise use check_process $command. 35498186Sgordon# In either case, only check if $command is set. 35578344Sobrien# 35698186Sgordon# procname n Process name to check for instead of $command. 35798186Sgordon# 35878344Sobrien# rcvar n This is checked with checkyesno to determine 35978344Sobrien# if the action should be run. 36078344Sobrien# 36178344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 36298186Sgordon# Requires /usr to be mounted. 36378344Sobrien# 36478344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 36578344Sobrien# (if not using ${name}_chroot). 36678344Sobrien# 36778344Sobrien# ${name}_flags n Arguments to call ${command} with. 36878344Sobrien# NOTE: $flags from the parent environment 36978344Sobrien# can be used to override this. 37078344Sobrien# 37178344Sobrien# ${name}_nice n Nice level to run ${command} at. 37278344Sobrien# 37378344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 37478344Sobrien# using ${name}_chroot. 37598186Sgordon# Requires /usr to be mounted. 37678344Sobrien# 37778344Sobrien# ${name}_group n Group to run chrooted ${command} as. 37898186Sgordon# Requires /usr to be mounted. 37978344Sobrien# 38098186Sgordon# ${name}_groups n Comma separated list of supplementary groups 38198186Sgordon# to run the chrooted ${command} with. 38298186Sgordon# Requires /usr to be mounted. 38378344Sobrien# 38498186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 38578344Sobrien# Otherwise, use default command (see below) 38678344Sobrien# 38798186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 38898186Sgordon# ${rc_arg}_cmd method in the default 38998186Sgordon# operation (i.e, after checking for required 39098186Sgordon# bits and process (non)existence). 39178344Sobrien# If this completes with a non-zero exit code, 39298186Sgordon# don't run ${rc_arg}_cmd. 39378344Sobrien# 39498186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 39598186Sgordon# ${rc_arg}_cmd method, if that method 39698186Sgordon# returned a zero exit code. 39798186Sgordon# 39878344Sobrien# required_dirs n If set, check for the existence of the given 39978344Sobrien# directories before running the default 40078344Sobrien# (re)start command. 40178344Sobrien# 40278344Sobrien# required_files n If set, check for the readability of the given 40378344Sobrien# files before running the default (re)start 40478344Sobrien# command. 40578344Sobrien# 40678344Sobrien# required_vars n If set, perform checkyesno on each of the 40778344Sobrien# listed variables before running the default 40878344Sobrien# (re)start command. 40978344Sobrien# 41098186Sgordon# Default behaviour for a given argument, if no override method is 41198186Sgordon# provided: 41278344Sobrien# 41398186Sgordon# Argument Default behaviour 41498186Sgordon# -------- ----------------- 41578344Sobrien# start if !running && checkyesno ${rcvar} 41678344Sobrien# ${command} 41778344Sobrien# 41878344Sobrien# stop if ${pidfile} 41998186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 42078344Sobrien# else 42198186Sgordon# rc_pid=$(check_process $command) 42298186Sgordon# kill $sig_stop $rc_pid 42398186Sgordon# wait_for_pids $rc_pid 42498186Sgordon# ($sig_stop defaults to TERM.) 42578344Sobrien# 42698186Sgordon# reload Similar to stop, except use $sig_reload instead, 42798186Sgordon# and doesn't wait_for_pids. 42878344Sobrien# $sig_reload defaults to HUP. 42978344Sobrien# 43078344Sobrien# restart Run `stop' then `start'. 43178344Sobrien# 43298186Sgordon# status Show if ${command} is running, etc. 43378344Sobrien# 43498186Sgordon# poll Wait for ${command} to exit. 43598186Sgordon# 43698186Sgordon# rcvar Display what rc.conf variable is used (if any). 43798186Sgordon# 43898186Sgordon# Variables available to methods, and after run_rc_command() has 43998186Sgordon# completed: 44098186Sgordon# 44198186Sgordon# Variable Purpose 44298186Sgordon# -------- ------- 443126303Smtm# rc_arg Argument to command, after fast/force/one processing 44498186Sgordon# performed 44598186Sgordon# 44698186Sgordon# rc_flags Flags to start the default command with. 44798186Sgordon# Defaults to ${name}_flags, unless overridden 44898186Sgordon# by $flags from the environment. 44998186Sgordon# This variable may be changed by the precmd method. 45098186Sgordon# 45198186Sgordon# rc_pid PID of command (if appropriate) 45298186Sgordon# 45398186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 45498186Sgordon# 45598186Sgordon# rc_force Not empty if "force" was provided (q.v.) 45698186Sgordon# 45798186Sgordon# 45878344Sobrienrun_rc_command() 45978344Sobrien{ 460116097Smtm _return=0 46198186Sgordon rc_arg=$1 46278344Sobrien if [ -z "$name" ]; then 46398186Sgordon err 3 'run_rc_command: $name is not set.' 46478344Sobrien fi 46578344Sobrien 466126303Smtm _rc_prefix= 46798186Sgordon case "$rc_arg" in 46878344Sobrien fast*) # "fast" prefix; don't check pid 46998186Sgordon rc_arg=${rc_arg#fast} 47098186Sgordon rc_fast=yes 47178344Sobrien ;; 472126303Smtm force*) # "force prefix; always run 47398186Sgordon rc_force=yes 474126303Smtm _rc_prefix=force 475126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 47678344Sobrien if [ -n "${rcvar}" ]; then 47778344Sobrien eval ${rcvar}=YES 47878344Sobrien fi 47978344Sobrien ;; 480126303Smtm one*) # "one" prefix; set ${rcvar}=yes 481126303Smtm _rc_prefix=one 482126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 483126303Smtm if [ -n "${rcvar}" ]; then 484126303Smtm eval ${rcvar}=YES 485126303Smtm fi 486126303Smtm ;; 48778344Sobrien esac 48878344Sobrien 48998186Sgordon eval _overide_command=\$${name}_program 49098186Sgordon if [ -n "$_overide_command" ]; then 49198186Sgordon command=$_overide_command 49298186Sgordon fi 49398186Sgordon 49478344Sobrien _keywords="start stop restart rcvar $extra_commands" 49598186Sgordon rc_pid= 49678344Sobrien _pidcmd= 49798186Sgordon _procname=${procname:-${command}} 49898186Sgordon 499131135Smtm # setup pid check command 500131135Smtm if [ -n "$_procname" ]; then 50178344Sobrien if [ -n "$pidfile" ]; then 50298186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 50398186Sgordon else 50498186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 50578344Sobrien fi 50678344Sobrien if [ -n "$_pidcmd" ]; then 50798186Sgordon _keywords="${_keywords} status poll" 50878344Sobrien fi 50978344Sobrien fi 51078344Sobrien 51198186Sgordon if [ -z "$rc_arg" ]; then 51278344Sobrien rc_usage "$_keywords" 51378344Sobrien fi 51478344Sobrien 51578344Sobrien if [ -n "$flags" ]; then # allow override from environment 51698186Sgordon rc_flags=$flags 51778344Sobrien else 51898186Sgordon eval rc_flags=\$${name}_flags 51978344Sobrien fi 52098186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 52198186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 52298186Sgordon _group=\$${name}_group _groups=\$${name}_groups 52378344Sobrien 52498186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 525124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 52698186Sgordon unset _user 52798186Sgordon fi 52898186Sgordon fi 52998186Sgordon 53078344Sobrien # if ${rcvar} is set, and $1 is not 53198186Sgordon # "rcvar", then run 53278344Sobrien # checkyesno ${rcvar} 53378344Sobrien # and return if that failed 53478344Sobrien # 53598186Sgordon if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 53678344Sobrien if ! checkyesno ${rcvar}; then 53778344Sobrien return 0 53878344Sobrien fi 53978344Sobrien fi 54078344Sobrien 54178344Sobrien eval $_pidcmd # determine the pid if necessary 54278344Sobrien 54378344Sobrien for _elem in $_keywords; do 54498186Sgordon if [ "$_elem" != "$rc_arg" ]; then 54578344Sobrien continue 54678344Sobrien fi 54778344Sobrien 54878344Sobrien # if there's a custom ${XXX_cmd}, 54978344Sobrien # run that instead of the default 55078344Sobrien # 55198186Sgordon eval _cmd=\$${rc_arg}_cmd _precmd=\$${rc_arg}_precmd \ 55298186Sgordon _postcmd=\$${rc_arg}_postcmd 55378344Sobrien if [ -n "$_cmd" ]; then 55478344Sobrien # if the precmd failed and force 55578344Sobrien # isn't set, exit 55678344Sobrien # 557116097Smtm if [ -n "$_precmd" ]; then 558116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 559116097Smtm eval $_precmd 560116097Smtm _return=$? 561116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 562116097Smtm return 1 56378344Sobrien fi 56478344Sobrien 565116097Smtm if [ -n "$_cmd" ]; then 566116097Smtm debug "run_rc_command: evaluating ${_cmd}()." 567116097Smtm eval $_cmd 568116097Smtm _return=$? 569116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 570116097Smtm return 1 57198186Sgordon fi 572109582Smtm 573116097Smtm if [ -n "$_postcmd" ]; then 574116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 575116097Smtm eval $_postcmd 576116097Smtm _return=$? 577116097Smtm fi 578116097Smtm return $_return 57978344Sobrien fi 58078344Sobrien 58198186Sgordon case "$rc_arg" in # default operations... 58278344Sobrien 58378344Sobrien status) 58498186Sgordon if [ -n "$rc_pid" ]; then 58598186Sgordon echo "${name} is running as pid $rc_pid." 58678344Sobrien else 58778344Sobrien echo "${name} is not running." 58878344Sobrien return 1 58978344Sobrien fi 59078344Sobrien ;; 59178344Sobrien 59278344Sobrien start) 593131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 59498186Sgordon echo "${name} already running? (pid=$rc_pid)." 59578344Sobrien exit 1 59678344Sobrien fi 59778344Sobrien 598126287Smtm if [ ! -x ${_chroot}${command} ]; then 59998186Sgordon info "run_rc_command: cannot run ($command)." 60078344Sobrien return 0 60178344Sobrien fi 60278344Sobrien 60378344Sobrien # check for required variables, 60478344Sobrien # directories, and files 60578344Sobrien # 60678344Sobrien for _f in $required_vars; do 60778344Sobrien if ! checkyesno $_f; then 60878344Sobrien warn "\$${_f} is not set." 60998186Sgordon if [ -z "$rc_force" ]; then 61078344Sobrien return 1 61178344Sobrien fi 61278344Sobrien fi 61378344Sobrien done 61478344Sobrien for _f in $required_dirs; do 61578344Sobrien if [ ! -d "${_f}/." ]; then 61678344Sobrien warn "${_f} is not a directory." 61798186Sgordon if [ -z "$rc_force" ]; then 61878344Sobrien return 1 61978344Sobrien fi 62078344Sobrien fi 62178344Sobrien done 62278344Sobrien for _f in $required_files; do 62378344Sobrien if [ ! -r "${_f}" ]; then 62478344Sobrien warn "${_f} is not readable." 62598186Sgordon if [ -z "$rc_force" ]; then 62678344Sobrien return 1 62778344Sobrien fi 62878344Sobrien fi 62978344Sobrien done 63078344Sobrien 63178344Sobrien # if the precmd failed and force 63278344Sobrien # isn't set, exit 63378344Sobrien # 634116097Smtm if [ -n "${_precmd}" ]; then 635116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 636116097Smtm eval $_precmd 637116097Smtm _return=$? 638116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 639116097Smtm return 1 64078344Sobrien fi 64178344Sobrien 64278344Sobrien # setup the command to run, and run it 64378344Sobrien # 64478344Sobrien echo "Starting ${name}." 64578344Sobrien if [ -n "$_chroot" ]; then 64678344Sobrien _doit="\ 64778344Sobrien${_nice:+nice -n $_nice }\ 64878344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 64998186Sgordon$_chroot $command $rc_flags $command_args" 65078344Sobrien else 65178344Sobrien _doit="\ 65278344Sobrien${_chdir:+cd $_chdir; }\ 65378344Sobrien${_nice:+nice -n $_nice }\ 65498186Sgordon$command $rc_flags $command_args" 65598186Sgordon if [ -n "$_user" ]; then 65698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 65798186Sgordon fi 65878344Sobrien fi 65998186Sgordon 66098186Sgordon # if the cmd failed and force 66198186Sgordon # isn't set, exit 66298186Sgordon # 66398186Sgordon debug "run_rc_command: _doit: $_doit" 664116097Smtm eval $_doit 665116097Smtm _return=$? 666116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 66798186Sgordon 66898186Sgordon # finally, run postcmd 66998186Sgordon # 670116097Smtm if [ -n "${_postcmd}" ]; then 671116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 672116097Smtm eval $_postcmd 673116097Smtm fi 67478344Sobrien ;; 67578344Sobrien 67678344Sobrien stop) 67798186Sgordon if [ -z "$rc_pid" ]; then 678131135Smtm [ -n "$rc_fast" ] && exit 0 67978344Sobrien if [ -n "$pidfile" ]; then 68078344Sobrien echo \ 68178344Sobrien "${name} not running? (check $pidfile)." 68278344Sobrien else 68378344Sobrien echo "${name} not running?" 68478344Sobrien fi 68578344Sobrien exit 1 68678344Sobrien fi 68778344Sobrien 68898186Sgordon # if the precmd failed and force 68998186Sgordon # isn't set, exit 69098186Sgordon # 691117977Smtm if [ -n "$_precmd" ]; then 692116097Smtm eval $_precmd 693116097Smtm _return=$? 694116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 695116097Smtm return 1 69678344Sobrien fi 69798186Sgordon 69898186Sgordon # send the signal to stop 69998186Sgordon # 70078344Sobrien echo "Stopping ${name}." 70198186Sgordon _doit="kill -${sig_stop:-TERM} $rc_pid" 70298186Sgordon if [ -n "$_user" ]; then 70398186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 70498186Sgordon fi 70598186Sgordon 70698186Sgordon # if the stop cmd failed and force 70798186Sgordon # isn't set, exit 70898186Sgordon # 709116097Smtm eval $_doit 710116097Smtm _return=$? 711116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 71298186Sgordon 71398186Sgordon # wait for the command to exit, 71498186Sgordon # and run postcmd. 71598186Sgordon wait_for_pids $rc_pid 716116097Smtm if [ -n "$_postcmd" ]; then 717116097Smtm eval $_postcmd 718116097Smtm _return=$? 719116097Smtm fi 72078344Sobrien ;; 72178344Sobrien 72278344Sobrien reload) 72398186Sgordon if [ -z "$rc_pid" ]; then 72478344Sobrien if [ -n "$pidfile" ]; then 72578344Sobrien echo \ 72678344Sobrien "${name} not running? (check $pidfile)." 72778344Sobrien else 72878344Sobrien echo "${name} not running?" 72978344Sobrien fi 73078344Sobrien exit 1 73178344Sobrien fi 73278344Sobrien echo "Reloading ${name} config files." 733116097Smtm if [ -n "$_precmd" ]; then 734116097Smtm eval $_precmd 735116097Smtm _return=$? 736116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 737116097Smtm return 1 73878344Sobrien fi 73998186Sgordon _doit="kill -${sig_reload:-HUP} $rc_pid" 74098186Sgordon if [ -n "$_user" ]; then 74198186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 74298186Sgordon fi 743116097Smtm eval $_doit 744116097Smtm _return=$? 745116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 746116097Smtm if [ -n "$_postcmd" ]; then 747116097Smtm eval $_postcmd 748116097Smtm _return=$? 74998186Sgordon fi 75078344Sobrien ;; 75178344Sobrien 75278344Sobrien restart) 753116097Smtm if [ -n "$_precmd" ]; then 754116097Smtm eval $_precmd 755116097Smtm _return=$? 756116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 757116097Smtm return 1 75878344Sobrien fi 75978344Sobrien # prevent restart being called more 76078344Sobrien # than once by any given script 76178344Sobrien # 762126285Smtm if ${_rc_restart_done:-false}; then 76378344Sobrien return 0 76478344Sobrien fi 765126285Smtm _rc_restart_done=true 76678344Sobrien 767126303Smtm ( $0 ${_rc_prefix}stop ) 768126303Smtm $0 ${_rc_prefix}start 76998186Sgordon 770116097Smtm if [ -n "$_postcmd" ]; then 771116097Smtm eval $_postcmd 772116097Smtm _return=$? 773116097Smtm fi 77478344Sobrien ;; 77578344Sobrien 77698186Sgordon poll) 77798186Sgordon if [ -n "$rc_pid" ]; then 77898186Sgordon wait_for_pids $rc_pid 77998186Sgordon fi 78098186Sgordon ;; 78198186Sgordon 78278344Sobrien rcvar) 78378344Sobrien echo "# $name" 78478344Sobrien if [ -n "$rcvar" ]; then 78578344Sobrien if checkyesno ${rcvar}; then 78678344Sobrien echo "\$${rcvar}=YES" 78778344Sobrien else 78878344Sobrien echo "\$${rcvar}=NO" 78978344Sobrien fi 79078344Sobrien fi 79178344Sobrien ;; 79278344Sobrien 79378344Sobrien *) 79478344Sobrien rc_usage "$_keywords" 79578344Sobrien ;; 79678344Sobrien 79778344Sobrien esac 798116097Smtm return $_return 79978344Sobrien done 80078344Sobrien 80198186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 80278344Sobrien rc_usage "$_keywords" 80378344Sobrien exit 1 80478344Sobrien} 80578344Sobrien 80678344Sobrien# 80778344Sobrien# run_rc_script file arg 80878344Sobrien# Start the script `file' with `arg', and correctly handle the 80978344Sobrien# return value from the script. If `file' ends with `.sh', it's 81098186Sgordon# sourced into the current environment. If `file' appears to be 81198186Sgordon# a backup or scratch file, ignore it. Otherwise if it's 81298186Sgordon# executable run as a child process. 81378344Sobrien# 81478344Sobrienrun_rc_script() 81578344Sobrien{ 81678344Sobrien _file=$1 81778344Sobrien _arg=$2 81878344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 81978344Sobrien err 3 'USAGE: run_rc_script file arg' 82078344Sobrien fi 82178344Sobrien 82298186Sgordon unset name command command_args command_interpreter \ 82398186Sgordon extra_commands pidfile procname \ 82498186Sgordon rcvar required_dirs required_files required_vars 82598186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 82698186Sgordon 82778344Sobrien case "$_file" in 82878344Sobrien *.sh) # run in current shell 82978344Sobrien set $_arg ; . $_file 83078344Sobrien ;; 831126288Smtm *[~#]|*.OLD|*.orig|*,v) # scratch file; skip 83298186Sgordon warn "Ignoring scratch file $_file" 83398186Sgordon ;; 83478344Sobrien *) # run in subshell 83598186Sgordon if [ -x $_file ]; then 83698186Sgordon if [ -n "$rc_fast_and_loose" ]; then 83798186Sgordon set $_arg ; . $_file 83898186Sgordon else 839130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 840130161Smtm trap "echo Script $_file interrupted; exit 1" 2 84198186Sgordon set $_arg ; . $_file ) 84298186Sgordon fi 84398186Sgordon fi 84478344Sobrien ;; 84578344Sobrien esac 84678344Sobrien} 84778344Sobrien 84878344Sobrien# 84978344Sobrien# load_rc_config 85078344Sobrien# Source in the configuration file for a given command. 85178344Sobrien# 85278344Sobrienload_rc_config() 85378344Sobrien{ 85478344Sobrien _command=$1 85578344Sobrien if [ -z "$_command" ]; then 85678344Sobrien err 3 'USAGE: load_rc_config command' 85778344Sobrien fi 85878344Sobrien 859126285Smtm if ${_rc_conf_loaded:-false}; then 860126285Smtm : 861126285Smtm else 86298186Sgordon if [ -r /etc/defaults/rc.conf ]; then 86398186Sgordon debug "Sourcing /etc/defaults/rc.conf" 86498186Sgordon . /etc/defaults/rc.conf 86598186Sgordon source_rc_confs 86698186Sgordon elif [ -r /etc/rc.conf ]; then 86798186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 86898186Sgordon . /etc/rc.conf 86998186Sgordon fi 870126285Smtm _rc_conf_loaded=true 87198186Sgordon fi 87278344Sobrien if [ -f /etc/rc.conf.d/"$_command" ]; then 87398186Sgordon debug "Sourcing /etc/rc.conf.d/${_command}" 87478344Sobrien . /etc/rc.conf.d/"$_command" 87578344Sobrien fi 876101850Sgordon 877101850Sgordon # XXX - Deprecated variable name support 878101850Sgordon # 879103018Sgordon case ${OSTYPE} in 880101850Sgordon FreeBSD) 881101850Sgordon [ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable" 882101850Sgordon [ -n "$portmap_program" ] && rpcbind_program="$portmap_program" 883101850Sgordon [ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags" 884101850Sgordon [ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable" 885101850Sgordon [ -n "$xntpd_enable" ] && ntpd_enable="$xntpd_enable" 886101850Sgordon [ -n "$xntpd_program" ] && ntpd_program="$xntpd_program" 887101850Sgordon [ -n "$xntpd_flags" ] && ntpd_flags="$xntpd_flags" 888115950Smtm [ -n "$dhcp_program" ] && dhclient_program="$dhcp_program" 889115950Smtm [ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags" 890101850Sgordon ;; 891101850Sgordon esac 892101850Sgordon 89378344Sobrien} 89478344Sobrien 89578344Sobrien# 89678344Sobrien# rc_usage commands 89778344Sobrien# Print a usage string for $0, with `commands' being a list of 89878344Sobrien# valid commands. 89978344Sobrien# 90078344Sobrienrc_usage() 90178344Sobrien{ 902126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 90378344Sobrien 90478344Sobrien _sep= 905126286Smtm for _elem; do 90678344Sobrien echo -n 1>&2 "$_sep$_elem" 90778344Sobrien _sep="|" 90878344Sobrien done 90978344Sobrien echo 1>&2 ")" 91078344Sobrien exit 1 91178344Sobrien} 91278344Sobrien 91378344Sobrien# 91478344Sobrien# err exitval message 91578344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 91678344Sobrien# 91778344Sobrienerr() 91878344Sobrien{ 91978344Sobrien exitval=$1 92078344Sobrien shift 92178344Sobrien 922106643Sgordon if [ -x /usr/bin/logger ]; then 923106643Sgordon logger "$0: ERROR: $*" 924106643Sgordon fi 925106643Sgordon echo 1>&2 "$0: ERROR: $*" 92678344Sobrien exit $exitval 92778344Sobrien} 92878344Sobrien 92978344Sobrien# 93078344Sobrien# warn message 93178344Sobrien# Display message to stderr and log to the syslog. 93278344Sobrien# 93378344Sobrienwarn() 93478344Sobrien{ 935106643Sgordon if [ -x /usr/bin/logger ]; then 936106643Sgordon logger "$0: WARNING: $*" 937106643Sgordon fi 938106643Sgordon echo 1>&2 "$0: WARNING: $*" 93978344Sobrien} 94098186Sgordon 94198186Sgordon# 94298186Sgordon# info message 94398186Sgordon# Display informational message to stdout and log to syslog. 94498186Sgordon# 94598186Sgordoninfo() 94698186Sgordon{ 947119170Smtm case ${rc_info} in 948119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 949119170Smtm if [ -x /usr/bin/logger ]; then 950119170Smtm logger "$0: INFO: $*" 951119170Smtm fi 952119170Smtm echo "$0: INFO: $*" 953119170Smtm ;; 954119170Smtm esac 95598186Sgordon} 95698186Sgordon 95798186Sgordon# 95898186Sgordon# debug message 959106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 96098186Sgordon# BEWARE that you don't call any subroutine that itself calls this 96198186Sgordon# function. 96298186Sgordon# 96398186Sgordondebug() 96498186Sgordon{ 96598186Sgordon case ${rc_debug} in 96698186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 967106700Sgordon if [ -x /usr/bin/logger ]; then 968106700Sgordon logger "$0: INFO: $*" 969106700Sgordon fi 970106643Sgordon echo 1>&2 "$0: DEBUG: $*" 97198186Sgordon ;; 97298186Sgordon esac 97398186Sgordon} 97498186Sgordon 97598186Sgordon# 97698186Sgordon# backup_file action file cur backup 97798186Sgordon# Make a backup copy of `file' into `cur', and save the previous 97898186Sgordon# version of `cur' as `backup' or use rcs for archiving. 97998186Sgordon# 98098186Sgordon# This routine checks the value of the backup_uses_rcs variable, 98198186Sgordon# which can be either YES or NO. 98298186Sgordon# 98398186Sgordon# The `action' keyword can be one of the following: 98498186Sgordon# 98598186Sgordon# add `file' is now being backed up (and is possibly 98698186Sgordon# being reentered into the backups system). `cur' 98798186Sgordon# is created and RCS files, if necessary, are 98898186Sgordon# created as well. 98998186Sgordon# 99098186Sgordon# update `file' has changed and needs to be backed up. 99198186Sgordon# If `cur' exists, it is copied to to `back' or 99298186Sgordon# checked into RCS (if the repository file is old), 99398186Sgordon# and then `file' is copied to `cur'. Another RCS 99498186Sgordon# check in done here if RCS is being used. 99598186Sgordon# 99698186Sgordon# remove `file' is no longer being tracked by the backups 99798186Sgordon# system. If RCS is not being used, `cur' is moved 99898186Sgordon# to `back', otherwise an empty file is checked in, 99998186Sgordon# and then `cur' is removed. 100098186Sgordon# 100198186Sgordon# 100298186Sgordonbackup_file() 100398186Sgordon{ 100498186Sgordon _action=$1 100598186Sgordon _file=$2 100698186Sgordon _cur=$3 100798186Sgordon _back=$4 100898186Sgordon 100998186Sgordon if checkyesno backup_uses_rcs; then 101098186Sgordon _msg0="backup archive" 101198186Sgordon _msg1="update" 101298186Sgordon 101398186Sgordon # ensure that history file is not locked 101498186Sgordon if [ -f $_cur,v ]; then 101598186Sgordon rcs -q -u -U -M $_cur 101698186Sgordon fi 101798186Sgordon 101898186Sgordon # ensure after switching to rcs that the 101998186Sgordon # current backup is not lost 102098186Sgordon if [ -f $_cur ]; then 102198186Sgordon # no archive, or current newer than archive 102298186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 102398186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 102498186Sgordon rcs -q -kb -U $_cur 102598186Sgordon co -q -f -u $_cur 102698186Sgordon fi 102798186Sgordon fi 102898186Sgordon 102998186Sgordon case $_action in 103098186Sgordon add|update) 103198186Sgordon cp -p $_file $_cur 103298186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 103398186Sgordon rcs -q -kb -U $_cur 103498186Sgordon co -q -f -u $_cur 103598186Sgordon chown root:wheel $_cur $_cur,v 103698186Sgordon ;; 103798186Sgordon remove) 103898186Sgordon cp /dev/null $_cur 103998186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 104098186Sgordon rcs -q -kb -U $_cur 104198186Sgordon chown root:wheel $_cur $_cur,v 104298186Sgordon rm $_cur 104398186Sgordon ;; 104498186Sgordon esac 104598186Sgordon else 104698186Sgordon case $_action in 104798186Sgordon add|update) 104898186Sgordon if [ -f $_cur ]; then 104998186Sgordon cp -p $_cur $_back 105098186Sgordon fi 105198186Sgordon cp -p $_file $_cur 105298186Sgordon chown root:wheel $_cur 105398186Sgordon ;; 105498186Sgordon remove) 105598186Sgordon mv -f $_cur $_back 105698186Sgordon ;; 105798186Sgordon esac 105898186Sgordon fi 105998186Sgordon} 1060119166Smtm 1061123344Smtm# make_symlink src link 1062123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1063123344Smtm# directory in which link is to be created does not exist 1064123344Smtm# a warning will be displayed and an error will be returned. 1065123344Smtm# Returns 0 on sucess, 1 otherwise. 1066119166Smtm# 1067123344Smtmmake_symlink() 1068119166Smtm{ 1069123344Smtm local src link linkdir _me 1070123344Smtm src="$1" 1071123344Smtm link="$2" 1072123344Smtm linkdir="`dirname $link`" 1073123344Smtm _me="make_symlink()" 1074119166Smtm 1075123344Smtm if [ -z "$src" -o -z "$link" ]; then 1076123344Smtm warn "$_me: requires two arguments." 1077119166Smtm return 1 1078119166Smtm fi 1079123344Smtm if [ ! -d "$linkdir" ]; then 1080123344Smtm warn "$_me: the directory $linkdir does not exist" 1081119166Smtm return 1 1082119166Smtm fi 1083119166Smtm if ! ln -sf $src $link ; then 1084123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1085119166Smtm return 1 1086119166Smtm fi 1087119166Smtm return 0 1088119166Smtm} 1089119166Smtm 1090119166Smtm# devfs_rulesets_from_file file 1091119166Smtm# Reads a set of devfs commands from file, and creates 1092119166Smtm# the specified rulesets with their rules. Returns non-zero 1093119166Smtm# if there was an error. 1094119166Smtm# 1095119166Smtmdevfs_rulesets_from_file() 1096119166Smtm{ 1097119166Smtm local file _err _me 1098119166Smtm file="$1" 1099119166Smtm _me="devfs_rulesets_from_file" 1100119166Smtm _err=0 1101119166Smtm 1102119166Smtm if [ -z "$file" ]; then 1103119166Smtm warn "$_me: you must specify a file" 1104119166Smtm return 1 1105119166Smtm fi 1106119166Smtm if [ ! -e "$file" ]; then 1107119166Smtm debug "$_me: no such file ($file)" 1108119166Smtm return 0 1109119166Smtm fi 1110119166Smtm debug "reading rulesets from file ($file)" 1111119166Smtm { while read line 1112119166Smtm do 1113119166Smtm case $line in 1114119166Smtm \#*) 1115119166Smtm continue 1116119166Smtm ;; 1117119166Smtm \[*\]*) 1118119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1119119166Smtm if [ -z "$rulenum" ]; then 1120119166Smtm warn "$_me: cannot extract rule number ($line)" 1121119166Smtm _err=1 1122119166Smtm break 1123119166Smtm fi 1124119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1125119166Smtm if [ -z "$rulename" ]; then 1126119166Smtm warn "$_me: cannot extract rule name ($line)" 1127119166Smtm _err=1 1128119166Smtm break; 1129119166Smtm fi 1130119166Smtm eval $rulename=\$rulenum 1131119166Smtm debug "found ruleset: $rulename=$rulenum" 1132119166Smtm if ! /sbin/devfs rule -s $rulenum delset ; then 1133119166Smtm _err=1 1134119166Smtm break 1135119166Smtm fi 1136119166Smtm ;; 1137119166Smtm *) 1138119166Smtm rulecmd="${line%%"\#*"}" 1139119166Smtm # evaluate the command incase it includes 1140119166Smtm # other rules 1141119166Smtm if [ -n "$rulecmd" ]; then 1142119166Smtm debug "adding rule ($rulecmd)" 1143119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1144119166Smtm then 1145119166Smtm _err=1 1146119166Smtm break 1147119166Smtm fi 1148119166Smtm fi 1149119166Smtm ;; 1150119166Smtm esac 1151119166Smtm if [ $_err -ne 0 ]; then 1152119166Smtm debug "error in $_me" 1153119166Smtm break 1154119166Smtm fi 1155119166Smtm done } < $file 1156119166Smtm return $_err 1157119166Smtm} 1158119166Smtm 1159119166Smtm# devfs_init_rulesets 1160119166Smtm# Initializes rulesets from configuration files. Returns 1161119166Smtm# non-zero if there was an error. 1162119166Smtm# 1163119166Smtmdevfs_init_rulesets() 1164119166Smtm{ 1165119166Smtm local file _me 1166119166Smtm _me="devfs_init_rulesets" 1167119166Smtm 1168119166Smtm # Go through this only once 1169119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1170119166Smtm debug "$_me: devfs rulesets already initialized" 1171119166Smtm return 1172119166Smtm fi 1173119166Smtm for file in $devfs_rulesets ; do 1174119166Smtm devfs_rulesets_from_file $file || return 1 1175119166Smtm done 1176119166Smtm devfs_rulesets_init=1 1177119166Smtm debug "$_me: devfs rulesets initialized" 1178119166Smtm return 0 1179119166Smtm} 1180119166Smtm 1181119166Smtm# devfs_set_ruleset ruleset [dir] 1182119166Smtm# Sets the default ruleset of dir to ruleset. The ruleset arguement 1183119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1184119166Smtm# Returns non-zero if it could not set it successfully. 1185119166Smtm# 1186119166Smtmdevfs_set_ruleset() 1187119166Smtm{ 1188119166Smtm local devdir rs _me 1189119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1190119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1191119166Smtm _me="devfs_set_ruleset" 1192119166Smtm 1193119166Smtm if [ -z "$rs" ]; then 1194119166Smtm warn "$_me: you must specify a ruleset number" 1195119166Smtm return 1 1196119166Smtm fi 1197119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1198119166Smtm if ! /sbin/devfs $devdir ruleset $rs ; then 1199119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1200119166Smtm return 1 1201119166Smtm fi 1202119166Smtm return 0 1203119166Smtm} 1204119166Smtm 1205119166Smtm# devfs_apply_ruleset ruleset [dir] 1206119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1207119166Smtm# The ruleset argument must be a ruleset name as specified 1208119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1209119166Smtm# if it could not apply the ruleset. 1210119166Smtm# 1211119166Smtmdevfs_apply_ruleset() 1212119166Smtm{ 1213119166Smtm local devdir rs _me 1214119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1215119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1216119166Smtm _me="devfs_apply_ruleset" 1217119166Smtm 1218119166Smtm if [ -z "$rs" ]; then 1219119166Smtm warn "$_me: you must specify a ruleset" 1220119166Smtm return 1 1221119166Smtm fi 1222119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1223119166Smtm if ! /sbin/devfs $devdir rule -s $rs applyset ; then 1224119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1225119166Smtm return 1 1226119166Smtm fi 1227119166Smtm return 0 1228119166Smtm} 1229119166Smtm 1230119166Smtm# devfs_domount dir [ruleset] 1231119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1232119166Smtm# on the mount-point. It must also be a ruleset name as specified 1233119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1234119166Smtm# 1235119166Smtmdevfs_domount() 1236119166Smtm{ 1237119166Smtm local devdir rs _me 1238119166Smtm devdir="$1" 1239119166Smtm [ -n "$2" ] && rs=$2 || rs= 1240119166Smtm _me="devfs_domount()" 1241119166Smtm 1242119166Smtm if [ -z "$devdir" ]; then 1243119166Smtm warn "$_me: you must specify a mount-point" 1244119166Smtm return 1 1245119166Smtm fi 1246119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1247119166Smtm if ! mount -t devfs dev "$devdir" ; then 1248119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1249119166Smtm return 1 1250119166Smtm fi 1251119166Smtm if [ -n "$rs" ]; then 1252119166Smtm devfs_init_rulesets 1253119166Smtm devfs_set_ruleset $rs $devdir 1254124797Scperciva devfs -m $devdir rule applyset 1255119166Smtm fi 1256119166Smtm return 0 1257119166Smtm} 1258119166Smtm 1259119166Smtm# devfs_mount_jail dir [ruleset] 1260119166Smtm# Mounts a devfs file system appropriate for jails 1261119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1262119166Smtm# it names will be used instead. If present, ruleset must 1263119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1264119166Smtm# This function returns non-zero if an error occurs. 1265119166Smtm# 1266119166Smtmdevfs_mount_jail() 1267119166Smtm{ 1268119166Smtm local jdev rs _me 1269119166Smtm jdev="$1" 1270119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1271119166Smtm _me="devfs_mount_jail" 1272119166Smtm 1273119166Smtm devfs_init_rulesets 1274119166Smtm if ! devfs_domount "$jdev" $rs ; then 1275119166Smtm warn "$_me: devfs was not mounted on $jdev" 1276119166Smtm return 1 1277119166Smtm fi 1278119166Smtm return 0 1279119166Smtm} 1280127345Sbrooks 1281127345Sbrooks# Provide a function for normalizing the mounting of memory 1282127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1283127345Sbrooks# as close as possible between 5-current and 4-stable. 1284127345Sbrooks# $1 = size 1285127345Sbrooks# $2 = mount point 1286127345Sbrooks# $3 = (optional) bytes-per-inode 1287127345Sbrooksmount_md() { 1288127345Sbrooks if [ -n "$3" ]; then 1289127345Sbrooks bpi="-i $3" 1290127345Sbrooks fi 1291127345Sbrooks /sbin/mdmfs $bpi -s $1 -M md $2 1292127345Sbrooks} 1293131550Scperciva 1294131550Scpercivafi 1295