rc.subr revision 126288
1126288Smtm# $NetBSD: rc.subr,v 1.60 2003/07/26 05:13:47 lukem Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 126288 2004-02-26 12:43:43Z mtm $ 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 4698186SgordonSYSCTL="/sbin/sysctl" 4798186SgordonSYSCTL_N="${SYSCTL} -n" 4898186SgordonCMD_OSTYPE="${SYSCTL_N} kern.ostype" 49103018SgordonOSTYPE=`${CMD_OSTYPE}` 50124832SmtmID="/usr/bin/id" 51124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 5298186Sgordon 53103018Sgordoncase ${OSTYPE} in 5498186SgordonFreeBSD) 5598186Sgordon SYSCTL_W="${SYSCTL}" 5698186Sgordon ;; 5798186SgordonNetBSD) 5898186Sgordon SYSCTL_W="${SYSCTL} -w" 5998186Sgordon ;; 6098186Sgordonesac 6198186Sgordon 6298186Sgordon# 6378344Sobrien# functions 6478344Sobrien# --------- 6578344Sobrien 6678344Sobrien# 6798186Sgordon# set_rcvar base_var 6898186Sgordon# Set the variable name enabling a specific service. 6998186Sgordon# FreeBSD uses ${service}_enable, while NetBSD uses 7098186Sgordon# just the name of the service. For example: 7198186Sgordon# FreeBSD: sendmail_enable="YES" 7298186Sgordon# NetBSD : sendmail="YES" 7398186Sgordon# $1 - if $name is not the base to work of off, specify 7498186Sgordon# a different one 7598186Sgordon# 7698186Sgordonset_rcvar() 7798186Sgordon{ 7898186Sgordon if [ -z "$1" ]; then 7998186Sgordon base_var=${name} 8098186Sgordon else 8198186Sgordon base_var="$1" 8298186Sgordon fi 8398186Sgordon 84103018Sgordon case ${OSTYPE} in 8598186Sgordon FreeBSD) 8698186Sgordon echo ${base_var}_enable 8798186Sgordon ;; 8898186Sgordon NetBSD) 8998186Sgordon echo ${base_var} 9098186Sgordon ;; 9198186Sgordon *) 9298186Sgordon echo 'XXX' 9398186Sgordon ;; 9498186Sgordon esac 9598186Sgordon} 9698186Sgordon 9798186Sgordon# 9898186Sgordon# force_depend script 9998186Sgordon# Force a service to start. Intended for use by services 10098186Sgordon# to resolve dependency issues. It is assumed the caller 10198186Sgordon# has check to make sure this call is necessary 10298186Sgordon# $1 - filename of script, in /etc/rc.d, to run 10398186Sgordon# 10498186Sgordonforce_depend() 10598186Sgordon{ 10698186Sgordon _depend="$1" 10798186Sgordon 10898186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 10998186Sgordon if ! /etc/rc.d/${_depend} forcestart ; then 11098186Sgordon warn "Unable to force ${_depend}. It may already be running." 11198186Sgordon return 1 11298186Sgordon fi 11398186Sgordon return 0 11498186Sgordon} 11598186Sgordon 11698186Sgordon# 11778344Sobrien# checkyesno var 11878344Sobrien# Test $1 variable, and warn if not set to YES or NO. 11978344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 12078344Sobrien# 12178344Sobriencheckyesno() 12278344Sobrien{ 12378344Sobrien eval _value=\$${1} 12498186Sgordon debug "checkyesno: $1 is set to $_value." 12578344Sobrien case $_value in 12678344Sobrien 12778344Sobrien # "yes", "true", "on", or "1" 12878344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 12978344Sobrien return 0 13078344Sobrien ;; 13178344Sobrien 13278344Sobrien # "no", "false", "off", or "0" 13378344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 13478344Sobrien return 1 13578344Sobrien ;; 13678344Sobrien *) 137106643Sgordon warn "\$${1} is not set properly - see rc.conf(5)." 13878344Sobrien return 1 13978344Sobrien ;; 14078344Sobrien esac 14178344Sobrien} 14278344Sobrien 14398186Sgordon# reverse_list list 14498186Sgordon# print the list in reverse order 14578344Sobrien# 14698186Sgordonreverse_list() 14798186Sgordon{ 14898186Sgordon _revlist= 149126286Smtm for _revfile; do 15098186Sgordon _revlist="$_revfile $_revlist" 15198186Sgordon done 15298186Sgordon echo $_revlist 15398186Sgordon} 15498186Sgordon 15578344Sobrien# 15698186Sgordon# mount_critical_filesystems type 15798186Sgordon# Go through the list of critical filesystems as provided in 15898186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 15998186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 16098186Sgordon# 16178344Sobrienmount_critical_filesystems() 16278344Sobrien{ 16398186Sgordon eval _fslist=\$critical_filesystems_${1} 16478344Sobrien for _fs in $_fslist; do 16578344Sobrien mount | ( 166126285Smtm _ismounted=false 16778344Sobrien while read what _on on _type type; do 16878344Sobrien if [ $on = $_fs ]; then 169126285Smtm _ismounted=true 17078344Sobrien fi 17178344Sobrien done 172126285Smtm if $_ismounted; then 173126285Smtm : 174126285Smtm else 17578344Sobrien mount $_fs >/dev/null 2>&1 17678344Sobrien fi 17798186Sgordon ) 17878344Sobrien done 17978344Sobrien} 18078344Sobrien 18178344Sobrien# 18298186Sgordon# check_pidfile pidfile procname [interpreter] 18398186Sgordon# Parses the first line of pidfile for a PID, and ensures 18478344Sobrien# that the process is running and matches procname. 18598186Sgordon# Prints the matching PID upon success, nothing otherwise. 18698186Sgordon# interpreter is optional; see _find_processes() for details. 18778344Sobrien# 18878344Sobriencheck_pidfile() 18978344Sobrien{ 19078344Sobrien _pidfile=$1 19178344Sobrien _procname=$2 19298186Sgordon _interpreter=$3 19378344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 19498186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 19578344Sobrien fi 19678344Sobrien if [ ! -f $_pidfile ]; then 19798186Sgordon debug "pid file {$_pidfile): not readable." 19878344Sobrien return 19978344Sobrien fi 20078344Sobrien read _pid _junk < $_pidfile 20178344Sobrien if [ -z "$_pid" ]; then 20298186Sgordon debug "pid file {$_pidfile): no pid in file." 20378344Sobrien return 20478344Sobrien fi 20598186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 20678344Sobrien} 20778344Sobrien 20878344Sobrien# 20998186Sgordon# check_process procname [interpreter] 21078344Sobrien# Ensures that a process (or processes) named procname is running. 21198186Sgordon# Prints a list of matching PIDs. 21298186Sgordon# interpreter is optional; see _find_processes() for details. 21378344Sobrien# 21478344Sobriencheck_process() 21578344Sobrien{ 21678344Sobrien _procname=$1 21798186Sgordon _interpreter=$2 21878344Sobrien if [ -z "$_procname" ]; then 21998186Sgordon err 3 'USAGE: check_process procname [interpreter]' 22078344Sobrien fi 22198186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 22298186Sgordon} 22398186Sgordon 22498186Sgordon# 22598186Sgordon# _find_processes procname interpreter psargs 22698186Sgordon# Search for procname in the output of ps generated by psargs. 22798186Sgordon# Prints the PIDs of any matching processes, space separated. 22898186Sgordon# 22998186Sgordon# If interpreter == ".", check the following variations of procname 23098186Sgordon# against the first word of each command: 23198186Sgordon# procname 23298186Sgordon# `basename procname` 23398186Sgordon# `basename procname` + ":" 23498186Sgordon# "(" + `basename procname` + ")" 23598186Sgordon# 23698186Sgordon# If interpreter != ".", read the first line of procname, remove the 23798186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 23898186Sgordon# match that against each command, either as is, or with extra words 23998186Sgordon# at the end. 24098186Sgordon# 24198186Sgordon_find_processes() 24298186Sgordon{ 24398186Sgordon if [ $# -ne 3 ]; then 24498186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 24598186Sgordon fi 24698186Sgordon _procname=$1 24798186Sgordon _interpreter=$2 24898186Sgordon _psargs=$3 24998186Sgordon 25078344Sobrien _pref= 25198186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 25298186Sgordon read _interp < $_procname # read interpreter name 25398186Sgordon _interp=${_interp#\#!} # strip #! 25498186Sgordon set -- $_interp 25598186Sgordon if [ $_interpreter != $1 ]; then 25698186Sgordon warn "\$command_interpreter $_interpreter != $1" 25778344Sobrien fi 25898186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 25998186Sgordon _fp_args='_argv' 26098186Sgordon _fp_match='case "$_argv" in 26198186Sgordon ${_interp}|"${_interp} "*)' 26298186Sgordon else # a normal daemon 26398186Sgordon _procnamebn=${_procname##*/} 26498186Sgordon _fp_args='_arg0 _argv' 26598186Sgordon _fp_match='case "$_arg0" in 26698186Sgordon $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})")' 26798186Sgordon fi 26898186Sgordon 26998186Sgordon _proccheck=' 27098186Sgordon ps -o "pid,command" '"$_psargs"' | 27198186Sgordon while read _npid '"$_fp_args"'; do 27298186Sgordon case "$_npid" in 27398186Sgordon PID) 27498186Sgordon continue ;; 27598186Sgordon esac ; '"$_fp_match"' 27698186Sgordon echo -n "$_pref$_npid" ; 27798186Sgordon _pref=" " 27898186Sgordon ;; 27998186Sgordon esac 28098186Sgordon done' 28198186Sgordon 282114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 28398186Sgordon eval $_proccheck 28498186Sgordon} 28598186Sgordon 28698186Sgordon# 28798186Sgordon# wait_for_pids pid [pid ...] 28898186Sgordon# spins until none of the pids exist 28998186Sgordon# 29098186Sgordonwait_for_pids() 29198186Sgordon{ 292126286Smtm _list="$@" 29398186Sgordon if [ -z "$_list" ]; then 29498186Sgordon return 29598186Sgordon fi 29698186Sgordon _prefix= 29798186Sgordon while true; do 29898186Sgordon _nlist=""; 29998186Sgordon for _j in $_list; do 30098186Sgordon if kill -0 $_j 2>/dev/null; then 30198186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 30298186Sgordon fi 30398186Sgordon done 30498186Sgordon if [ -z "$_nlist" ]; then 30598186Sgordon break 30678344Sobrien fi 30798186Sgordon _list=$_nlist 30898186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 30998186Sgordon _prefix=", " 31098186Sgordon sleep 2 31178344Sobrien done 31298186Sgordon if [ -n "$_prefix" ]; then 31398186Sgordon echo "." 31498186Sgordon fi 31578344Sobrien} 31678344Sobrien 31778344Sobrien# 31898186Sgordon# run_rc_command argument 31998186Sgordon# Search for argument in the list of supported commands, which is: 32098186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 32198186Sgordon# If there's a match, run ${argument}_cmd or the default method 32298186Sgordon# (see below). 32378344Sobrien# 32498186Sgordon# If argument has a given prefix, then change the operation as follows: 32598186Sgordon# Prefix Operation 32678344Sobrien# ------ --------- 32798186Sgordon# fast Skip the pid check, and set rc_fast=yes 32898186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 32978344Sobrien# 33078344Sobrien# The following globals are used: 33178344Sobrien# 33298186Sgordon# Name Needed Purpose 33398186Sgordon# ---- ------ ------- 33478344Sobrien# name y Name of script. 33578344Sobrien# 33678344Sobrien# command n Full path to command. 33798186Sgordon# Not needed if ${rc_arg}_cmd is set for 33878344Sobrien# each keyword. 33978344Sobrien# 34078344Sobrien# command_args n Optional args/shell directives for command. 34178344Sobrien# 34298186Sgordon# command_interpreter n If not empty, command is interpreted, so 34398186Sgordon# call check_{pidfile,process}() appropriately. 34498186Sgordon# 34578344Sobrien# extra_commands n List of extra commands supported. 34678344Sobrien# 34798186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 34898186Sgordon# otherwise use check_process $command. 34998186Sgordon# In either case, only check if $command is set. 35078344Sobrien# 35198186Sgordon# procname n Process name to check for instead of $command. 35298186Sgordon# 35378344Sobrien# rcvar n This is checked with checkyesno to determine 35478344Sobrien# if the action should be run. 35578344Sobrien# 35678344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 35798186Sgordon# Requires /usr to be mounted. 35878344Sobrien# 35978344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 36078344Sobrien# (if not using ${name}_chroot). 36178344Sobrien# 36278344Sobrien# ${name}_flags n Arguments to call ${command} with. 36378344Sobrien# NOTE: $flags from the parent environment 36478344Sobrien# can be used to override this. 36578344Sobrien# 36678344Sobrien# ${name}_nice n Nice level to run ${command} at. 36778344Sobrien# 36878344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 36978344Sobrien# using ${name}_chroot. 37098186Sgordon# Requires /usr to be mounted. 37178344Sobrien# 37278344Sobrien# ${name}_group n Group to run chrooted ${command} as. 37398186Sgordon# Requires /usr to be mounted. 37478344Sobrien# 37598186Sgordon# ${name}_groups n Comma separated list of supplementary groups 37698186Sgordon# to run the chrooted ${command} with. 37798186Sgordon# Requires /usr to be mounted. 37878344Sobrien# 37998186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 38078344Sobrien# Otherwise, use default command (see below) 38178344Sobrien# 38298186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 38398186Sgordon# ${rc_arg}_cmd method in the default 38498186Sgordon# operation (i.e, after checking for required 38598186Sgordon# bits and process (non)existence). 38678344Sobrien# If this completes with a non-zero exit code, 38798186Sgordon# don't run ${rc_arg}_cmd. 38878344Sobrien# 38998186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 39098186Sgordon# ${rc_arg}_cmd method, if that method 39198186Sgordon# returned a zero exit code. 39298186Sgordon# 39378344Sobrien# required_dirs n If set, check for the existence of the given 39478344Sobrien# directories before running the default 39578344Sobrien# (re)start command. 39678344Sobrien# 39778344Sobrien# required_files n If set, check for the readability of the given 39878344Sobrien# files before running the default (re)start 39978344Sobrien# command. 40078344Sobrien# 40178344Sobrien# required_vars n If set, perform checkyesno on each of the 40278344Sobrien# listed variables before running the default 40378344Sobrien# (re)start command. 40478344Sobrien# 40598186Sgordon# Default behaviour for a given argument, if no override method is 40698186Sgordon# provided: 40778344Sobrien# 40898186Sgordon# Argument Default behaviour 40998186Sgordon# -------- ----------------- 41078344Sobrien# start if !running && checkyesno ${rcvar} 41178344Sobrien# ${command} 41278344Sobrien# 41378344Sobrien# stop if ${pidfile} 41498186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 41578344Sobrien# else 41698186Sgordon# rc_pid=$(check_process $command) 41798186Sgordon# kill $sig_stop $rc_pid 41898186Sgordon# wait_for_pids $rc_pid 41998186Sgordon# ($sig_stop defaults to TERM.) 42078344Sobrien# 42198186Sgordon# reload Similar to stop, except use $sig_reload instead, 42298186Sgordon# and doesn't wait_for_pids. 42378344Sobrien# $sig_reload defaults to HUP. 42478344Sobrien# 42578344Sobrien# restart Run `stop' then `start'. 42678344Sobrien# 42798186Sgordon# status Show if ${command} is running, etc. 42878344Sobrien# 42998186Sgordon# poll Wait for ${command} to exit. 43098186Sgordon# 43198186Sgordon# rcvar Display what rc.conf variable is used (if any). 43298186Sgordon# 43398186Sgordon# Variables available to methods, and after run_rc_command() has 43498186Sgordon# completed: 43598186Sgordon# 43698186Sgordon# Variable Purpose 43798186Sgordon# -------- ------- 43898186Sgordon# rc_arg Argument to command, after fast/force processing 43998186Sgordon# performed 44098186Sgordon# 44198186Sgordon# rc_flags Flags to start the default command with. 44298186Sgordon# Defaults to ${name}_flags, unless overridden 44398186Sgordon# by $flags from the environment. 44498186Sgordon# This variable may be changed by the precmd method. 44598186Sgordon# 44698186Sgordon# rc_pid PID of command (if appropriate) 44798186Sgordon# 44898186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 44998186Sgordon# 45098186Sgordon# rc_force Not empty if "force" was provided (q.v.) 45198186Sgordon# 45298186Sgordon# 45378344Sobrienrun_rc_command() 45478344Sobrien{ 455116097Smtm _return=0 45698186Sgordon rc_arg=$1 45778344Sobrien if [ -z "$name" ]; then 45898186Sgordon err 3 'run_rc_command: $name is not set.' 45978344Sobrien fi 46078344Sobrien 46198186Sgordon case "$rc_arg" in 46278344Sobrien fast*) # "fast" prefix; don't check pid 46398186Sgordon rc_arg=${rc_arg#fast} 46498186Sgordon rc_fast=yes 46578344Sobrien ;; 46678344Sobrien force*) # "force prefix; always start 46798186Sgordon rc_arg=${rc_arg#force} 46898186Sgordon rc_force=yes 46978344Sobrien if [ -n "${rcvar}" ]; then 47078344Sobrien eval ${rcvar}=YES 47178344Sobrien fi 47278344Sobrien ;; 47378344Sobrien esac 47478344Sobrien 47598186Sgordon eval _overide_command=\$${name}_program 47698186Sgordon if [ -n "$_overide_command" ]; then 47798186Sgordon command=$_overide_command 47898186Sgordon fi 47998186Sgordon 48078344Sobrien _keywords="start stop restart rcvar $extra_commands" 48198186Sgordon rc_pid= 48278344Sobrien _pidcmd= 48398186Sgordon _procname=${procname:-${command}} 48498186Sgordon 48578344Sobrien # setup pid check command if not fast 48698186Sgordon if [ -z "$rc_fast" -a -n "$_procname" ]; then 48778344Sobrien if [ -n "$pidfile" ]; then 48898186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 48998186Sgordon else 49098186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 49178344Sobrien fi 49278344Sobrien if [ -n "$_pidcmd" ]; then 49398186Sgordon _keywords="${_keywords} status poll" 49478344Sobrien fi 49578344Sobrien fi 49678344Sobrien 49798186Sgordon if [ -z "$rc_arg" ]; then 49878344Sobrien rc_usage "$_keywords" 49978344Sobrien fi 50078344Sobrien 50178344Sobrien if [ -n "$flags" ]; then # allow override from environment 50298186Sgordon rc_flags=$flags 50378344Sobrien else 50498186Sgordon eval rc_flags=\$${name}_flags 50578344Sobrien fi 50698186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 50798186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 50898186Sgordon _group=\$${name}_group _groups=\$${name}_groups 50978344Sobrien 51098186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 511124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 51298186Sgordon unset _user 51398186Sgordon fi 51498186Sgordon fi 51598186Sgordon 51678344Sobrien # if ${rcvar} is set, and $1 is not 51798186Sgordon # "rcvar", then run 51878344Sobrien # checkyesno ${rcvar} 51978344Sobrien # and return if that failed 52078344Sobrien # 52198186Sgordon if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 52278344Sobrien if ! checkyesno ${rcvar}; then 52378344Sobrien return 0 52478344Sobrien fi 52578344Sobrien fi 52678344Sobrien 52778344Sobrien eval $_pidcmd # determine the pid if necessary 52878344Sobrien 52978344Sobrien for _elem in $_keywords; do 53098186Sgordon if [ "$_elem" != "$rc_arg" ]; then 53178344Sobrien continue 53278344Sobrien fi 53378344Sobrien 53478344Sobrien # if there's a custom ${XXX_cmd}, 53578344Sobrien # run that instead of the default 53678344Sobrien # 53798186Sgordon eval _cmd=\$${rc_arg}_cmd _precmd=\$${rc_arg}_precmd \ 53898186Sgordon _postcmd=\$${rc_arg}_postcmd 53978344Sobrien if [ -n "$_cmd" ]; then 54078344Sobrien # if the precmd failed and force 54178344Sobrien # isn't set, exit 54278344Sobrien # 543116097Smtm if [ -n "$_precmd" ]; then 544116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 545116097Smtm eval $_precmd 546116097Smtm _return=$? 547116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 548116097Smtm return 1 54978344Sobrien fi 55078344Sobrien 551116097Smtm if [ -n "$_cmd" ]; then 552116097Smtm debug "run_rc_command: evaluating ${_cmd}()." 553116097Smtm eval $_cmd 554116097Smtm _return=$? 555116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 556116097Smtm return 1 55798186Sgordon fi 558109582Smtm 559116097Smtm if [ -n "$_postcmd" ]; then 560116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 561116097Smtm eval $_postcmd 562116097Smtm _return=$? 563116097Smtm fi 564116097Smtm return $_return 56578344Sobrien fi 56678344Sobrien 56798186Sgordon case "$rc_arg" in # default operations... 56878344Sobrien 56978344Sobrien status) 57098186Sgordon if [ -n "$rc_pid" ]; then 57198186Sgordon echo "${name} is running as pid $rc_pid." 57278344Sobrien else 57378344Sobrien echo "${name} is not running." 57478344Sobrien return 1 57578344Sobrien fi 57678344Sobrien ;; 57778344Sobrien 57878344Sobrien start) 57998186Sgordon if [ -n "$rc_pid" ]; then 58098186Sgordon echo "${name} already running? (pid=$rc_pid)." 58178344Sobrien exit 1 58278344Sobrien fi 58378344Sobrien 584126287Smtm if [ ! -x ${_chroot}${command} ]; then 58598186Sgordon info "run_rc_command: cannot run ($command)." 58678344Sobrien return 0 58778344Sobrien fi 58878344Sobrien 58978344Sobrien # check for required variables, 59078344Sobrien # directories, and files 59178344Sobrien # 59278344Sobrien for _f in $required_vars; do 59378344Sobrien if ! checkyesno $_f; then 59478344Sobrien warn "\$${_f} is not set." 59598186Sgordon if [ -z "$rc_force" ]; then 59678344Sobrien return 1 59778344Sobrien fi 59878344Sobrien fi 59978344Sobrien done 60078344Sobrien for _f in $required_dirs; do 60178344Sobrien if [ ! -d "${_f}/." ]; then 60278344Sobrien warn "${_f} is not a directory." 60398186Sgordon if [ -z "$rc_force" ]; then 60478344Sobrien return 1 60578344Sobrien fi 60678344Sobrien fi 60778344Sobrien done 60878344Sobrien for _f in $required_files; do 60978344Sobrien if [ ! -r "${_f}" ]; then 61078344Sobrien warn "${_f} is not readable." 61198186Sgordon if [ -z "$rc_force" ]; then 61278344Sobrien return 1 61378344Sobrien fi 61478344Sobrien fi 61578344Sobrien done 61678344Sobrien 61778344Sobrien # if the precmd failed and force 61878344Sobrien # isn't set, exit 61978344Sobrien # 620116097Smtm if [ -n "${_precmd}" ]; then 621116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 622116097Smtm eval $_precmd 623116097Smtm _return=$? 624116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 625116097Smtm return 1 62678344Sobrien fi 62778344Sobrien 62878344Sobrien # setup the command to run, and run it 62978344Sobrien # 63078344Sobrien echo "Starting ${name}." 63178344Sobrien if [ -n "$_chroot" ]; then 63278344Sobrien _doit="\ 63378344Sobrien${_nice:+nice -n $_nice }\ 63478344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 63598186Sgordon$_chroot $command $rc_flags $command_args" 63678344Sobrien else 63778344Sobrien _doit="\ 63878344Sobrien${_chdir:+cd $_chdir; }\ 63978344Sobrien${_nice:+nice -n $_nice }\ 64098186Sgordon$command $rc_flags $command_args" 64198186Sgordon if [ -n "$_user" ]; then 64298186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 64398186Sgordon fi 64478344Sobrien fi 64598186Sgordon 64698186Sgordon # if the cmd failed and force 64798186Sgordon # isn't set, exit 64898186Sgordon # 64998186Sgordon debug "run_rc_command: _doit: $_doit" 650116097Smtm eval $_doit 651116097Smtm _return=$? 652116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 65398186Sgordon 65498186Sgordon # finally, run postcmd 65598186Sgordon # 656116097Smtm if [ -n "${_postcmd}" ]; then 657116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 658116097Smtm eval $_postcmd 659116097Smtm fi 66078344Sobrien ;; 66178344Sobrien 66278344Sobrien stop) 66398186Sgordon if [ -z "$rc_pid" ]; then 66478344Sobrien if [ -n "$pidfile" ]; then 66578344Sobrien echo \ 66678344Sobrien "${name} not running? (check $pidfile)." 66778344Sobrien else 66878344Sobrien echo "${name} not running?" 66978344Sobrien fi 67078344Sobrien exit 1 67178344Sobrien fi 67278344Sobrien 67398186Sgordon # if the precmd failed and force 67498186Sgordon # isn't set, exit 67598186Sgordon # 676117977Smtm if [ -n "$_precmd" ]; then 677116097Smtm eval $_precmd 678116097Smtm _return=$? 679116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 680116097Smtm return 1 68178344Sobrien fi 68298186Sgordon 68398186Sgordon # send the signal to stop 68498186Sgordon # 68578344Sobrien echo "Stopping ${name}." 68698186Sgordon _doit="kill -${sig_stop:-TERM} $rc_pid" 68798186Sgordon if [ -n "$_user" ]; then 68898186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 68998186Sgordon fi 69098186Sgordon 69198186Sgordon # if the stop cmd failed and force 69298186Sgordon # isn't set, exit 69398186Sgordon # 694116097Smtm eval $_doit 695116097Smtm _return=$? 696116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 69798186Sgordon 69898186Sgordon # wait for the command to exit, 69998186Sgordon # and run postcmd. 70098186Sgordon wait_for_pids $rc_pid 701116097Smtm if [ -n "$_postcmd" ]; then 702116097Smtm eval $_postcmd 703116097Smtm _return=$? 704116097Smtm fi 70578344Sobrien ;; 70678344Sobrien 70778344Sobrien reload) 70898186Sgordon if [ -z "$rc_pid" ]; then 70978344Sobrien if [ -n "$pidfile" ]; then 71078344Sobrien echo \ 71178344Sobrien "${name} not running? (check $pidfile)." 71278344Sobrien else 71378344Sobrien echo "${name} not running?" 71478344Sobrien fi 71578344Sobrien exit 1 71678344Sobrien fi 71778344Sobrien echo "Reloading ${name} config files." 718116097Smtm if [ -n "$_precmd" ]; then 719116097Smtm eval $_precmd 720116097Smtm _return=$? 721116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 722116097Smtm return 1 72378344Sobrien fi 72498186Sgordon _doit="kill -${sig_reload:-HUP} $rc_pid" 72598186Sgordon if [ -n "$_user" ]; then 72698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72798186Sgordon fi 728116097Smtm eval $_doit 729116097Smtm _return=$? 730116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 731116097Smtm if [ -n "$_postcmd" ]; then 732116097Smtm eval $_postcmd 733116097Smtm _return=$? 73498186Sgordon fi 73578344Sobrien ;; 73678344Sobrien 73778344Sobrien restart) 738116097Smtm if [ -n "$_precmd" ]; then 739116097Smtm eval $_precmd 740116097Smtm _return=$? 741116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 742116097Smtm return 1 74378344Sobrien fi 74478344Sobrien # prevent restart being called more 74578344Sobrien # than once by any given script 74678344Sobrien # 747126285Smtm if ${_rc_restart_done:-false}; then 74878344Sobrien return 0 74978344Sobrien fi 750126285Smtm _rc_restart_done=true 75178344Sobrien 75298186Sgordon ( $0 ${rc_force:+force}stop ) 75398186Sgordon $0 ${rc_force:+force}start 75498186Sgordon 755116097Smtm if [ -n "$_postcmd" ]; then 756116097Smtm eval $_postcmd 757116097Smtm _return=$? 758116097Smtm fi 75978344Sobrien ;; 76078344Sobrien 76198186Sgordon poll) 76298186Sgordon if [ -n "$rc_pid" ]; then 76398186Sgordon wait_for_pids $rc_pid 76498186Sgordon fi 76598186Sgordon ;; 76698186Sgordon 76778344Sobrien rcvar) 76878344Sobrien echo "# $name" 76978344Sobrien if [ -n "$rcvar" ]; then 77078344Sobrien if checkyesno ${rcvar}; then 77178344Sobrien echo "\$${rcvar}=YES" 77278344Sobrien else 77378344Sobrien echo "\$${rcvar}=NO" 77478344Sobrien fi 77578344Sobrien fi 77678344Sobrien ;; 77778344Sobrien 77878344Sobrien *) 77978344Sobrien rc_usage "$_keywords" 78078344Sobrien ;; 78178344Sobrien 78278344Sobrien esac 783116097Smtm return $_return 78478344Sobrien done 78578344Sobrien 78698186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 78778344Sobrien rc_usage "$_keywords" 78878344Sobrien exit 1 78978344Sobrien} 79078344Sobrien 79178344Sobrien# 79278344Sobrien# run_rc_script file arg 79378344Sobrien# Start the script `file' with `arg', and correctly handle the 79478344Sobrien# return value from the script. If `file' ends with `.sh', it's 79598186Sgordon# sourced into the current environment. If `file' appears to be 79698186Sgordon# a backup or scratch file, ignore it. Otherwise if it's 79798186Sgordon# executable run as a child process. 79878344Sobrien# 79978344Sobrienrun_rc_script() 80078344Sobrien{ 80178344Sobrien _file=$1 80278344Sobrien _arg=$2 80378344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 80478344Sobrien err 3 'USAGE: run_rc_script file arg' 80578344Sobrien fi 80678344Sobrien 80798186Sgordon trap "echo 'Reboot interrupted'; exit 1" 3 80898186Sgordon 80998186Sgordon unset name command command_args command_interpreter \ 81098186Sgordon extra_commands pidfile procname \ 81198186Sgordon rcvar required_dirs required_files required_vars 81298186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 81398186Sgordon 81478344Sobrien case "$_file" in 81578344Sobrien *.sh) # run in current shell 81678344Sobrien set $_arg ; . $_file 81778344Sobrien ;; 818126288Smtm *[~#]|*.OLD|*.orig|*,v) # scratch file; skip 81998186Sgordon warn "Ignoring scratch file $_file" 82098186Sgordon ;; 82178344Sobrien *) # run in subshell 82298186Sgordon if [ -x $_file ]; then 82398186Sgordon if [ -n "$rc_fast_and_loose" ]; then 82498186Sgordon set $_arg ; . $_file 82598186Sgordon else 82698186Sgordon ( trap "echo 'Reboot interrupted'; exit 1" 3 82798186Sgordon set $_arg ; . $_file ) 82898186Sgordon fi 82998186Sgordon fi 83078344Sobrien ;; 83178344Sobrien esac 83278344Sobrien} 83378344Sobrien 83478344Sobrien# 83578344Sobrien# load_rc_config 83678344Sobrien# Source in the configuration file for a given command. 83778344Sobrien# 83878344Sobrienload_rc_config() 83978344Sobrien{ 84078344Sobrien _command=$1 84178344Sobrien if [ -z "$_command" ]; then 84278344Sobrien err 3 'USAGE: load_rc_config command' 84378344Sobrien fi 84478344Sobrien 845126285Smtm if ${_rc_conf_loaded:-false}; then 846126285Smtm : 847126285Smtm else 84898186Sgordon if [ -r /etc/defaults/rc.conf ]; then 84998186Sgordon debug "Sourcing /etc/defaults/rc.conf" 85098186Sgordon . /etc/defaults/rc.conf 85198186Sgordon source_rc_confs 85298186Sgordon elif [ -r /etc/rc.conf ]; then 85398186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 85498186Sgordon . /etc/rc.conf 85598186Sgordon fi 856126285Smtm _rc_conf_loaded=true 85798186Sgordon fi 85878344Sobrien if [ -f /etc/rc.conf.d/"$_command" ]; then 85998186Sgordon debug "Sourcing /etc/rc.conf.d/${_command}" 86078344Sobrien . /etc/rc.conf.d/"$_command" 86178344Sobrien fi 862101850Sgordon 863101850Sgordon # XXX - Deprecated variable name support 864101850Sgordon # 865103018Sgordon case ${OSTYPE} in 866101850Sgordon FreeBSD) 867101850Sgordon [ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable" 868101850Sgordon [ -n "$portmap_program" ] && rpcbind_program="$portmap_program" 869101850Sgordon [ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags" 870101850Sgordon [ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable" 871101850Sgordon [ -n "$xntpd_enable" ] && ntpd_enable="$xntpd_enable" 872101850Sgordon [ -n "$xntpd_program" ] && ntpd_program="$xntpd_program" 873101850Sgordon [ -n "$xntpd_flags" ] && ntpd_flags="$xntpd_flags" 874115950Smtm [ -n "$dhcp_program" ] && dhclient_program="$dhcp_program" 875115950Smtm [ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags" 876101850Sgordon ;; 877101850Sgordon esac 878101850Sgordon 87978344Sobrien} 88078344Sobrien 88178344Sobrien# 88278344Sobrien# rc_usage commands 88378344Sobrien# Print a usage string for $0, with `commands' being a list of 88478344Sobrien# valid commands. 88578344Sobrien# 88678344Sobrienrc_usage() 88778344Sobrien{ 888106643Sgordon echo -n 1>&2 "Usage: $0 [fast|force](" 88978344Sobrien 89078344Sobrien _sep= 891126286Smtm for _elem; do 89278344Sobrien echo -n 1>&2 "$_sep$_elem" 89378344Sobrien _sep="|" 89478344Sobrien done 89578344Sobrien echo 1>&2 ")" 89678344Sobrien exit 1 89778344Sobrien} 89878344Sobrien 89978344Sobrien# 90078344Sobrien# err exitval message 90178344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 90278344Sobrien# 90378344Sobrienerr() 90478344Sobrien{ 90578344Sobrien exitval=$1 90678344Sobrien shift 90778344Sobrien 908106643Sgordon if [ -x /usr/bin/logger ]; then 909106643Sgordon logger "$0: ERROR: $*" 910106643Sgordon fi 911106643Sgordon echo 1>&2 "$0: ERROR: $*" 91278344Sobrien exit $exitval 91378344Sobrien} 91478344Sobrien 91578344Sobrien# 91678344Sobrien# warn message 91778344Sobrien# Display message to stderr and log to the syslog. 91878344Sobrien# 91978344Sobrienwarn() 92078344Sobrien{ 921106643Sgordon if [ -x /usr/bin/logger ]; then 922106643Sgordon logger "$0: WARNING: $*" 923106643Sgordon fi 924106643Sgordon echo 1>&2 "$0: WARNING: $*" 92578344Sobrien} 92698186Sgordon 92798186Sgordon# 92898186Sgordon# info message 92998186Sgordon# Display informational message to stdout and log to syslog. 93098186Sgordon# 93198186Sgordoninfo() 93298186Sgordon{ 933119170Smtm case ${rc_info} in 934119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 935119170Smtm if [ -x /usr/bin/logger ]; then 936119170Smtm logger "$0: INFO: $*" 937119170Smtm fi 938119170Smtm echo "$0: INFO: $*" 939119170Smtm ;; 940119170Smtm esac 94198186Sgordon} 94298186Sgordon 94398186Sgordon# 94498186Sgordon# debug message 945106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 94698186Sgordon# BEWARE that you don't call any subroutine that itself calls this 94798186Sgordon# function. 94898186Sgordon# 94998186Sgordondebug() 95098186Sgordon{ 95198186Sgordon case ${rc_debug} in 95298186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 953106700Sgordon if [ -x /usr/bin/logger ]; then 954106700Sgordon logger "$0: INFO: $*" 955106700Sgordon fi 956106643Sgordon echo 1>&2 "$0: DEBUG: $*" 95798186Sgordon ;; 95898186Sgordon esac 95998186Sgordon} 96098186Sgordon 96198186Sgordon# 96298186Sgordon# backup_file action file cur backup 96398186Sgordon# Make a backup copy of `file' into `cur', and save the previous 96498186Sgordon# version of `cur' as `backup' or use rcs for archiving. 96598186Sgordon# 96698186Sgordon# This routine checks the value of the backup_uses_rcs variable, 96798186Sgordon# which can be either YES or NO. 96898186Sgordon# 96998186Sgordon# The `action' keyword can be one of the following: 97098186Sgordon# 97198186Sgordon# add `file' is now being backed up (and is possibly 97298186Sgordon# being reentered into the backups system). `cur' 97398186Sgordon# is created and RCS files, if necessary, are 97498186Sgordon# created as well. 97598186Sgordon# 97698186Sgordon# update `file' has changed and needs to be backed up. 97798186Sgordon# If `cur' exists, it is copied to to `back' or 97898186Sgordon# checked into RCS (if the repository file is old), 97998186Sgordon# and then `file' is copied to `cur'. Another RCS 98098186Sgordon# check in done here if RCS is being used. 98198186Sgordon# 98298186Sgordon# remove `file' is no longer being tracked by the backups 98398186Sgordon# system. If RCS is not being used, `cur' is moved 98498186Sgordon# to `back', otherwise an empty file is checked in, 98598186Sgordon# and then `cur' is removed. 98698186Sgordon# 98798186Sgordon# 98898186Sgordonbackup_file() 98998186Sgordon{ 99098186Sgordon _action=$1 99198186Sgordon _file=$2 99298186Sgordon _cur=$3 99398186Sgordon _back=$4 99498186Sgordon 99598186Sgordon if checkyesno backup_uses_rcs; then 99698186Sgordon _msg0="backup archive" 99798186Sgordon _msg1="update" 99898186Sgordon 99998186Sgordon # ensure that history file is not locked 100098186Sgordon if [ -f $_cur,v ]; then 100198186Sgordon rcs -q -u -U -M $_cur 100298186Sgordon fi 100398186Sgordon 100498186Sgordon # ensure after switching to rcs that the 100598186Sgordon # current backup is not lost 100698186Sgordon if [ -f $_cur ]; then 100798186Sgordon # no archive, or current newer than archive 100898186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 100998186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 101098186Sgordon rcs -q -kb -U $_cur 101198186Sgordon co -q -f -u $_cur 101298186Sgordon fi 101398186Sgordon fi 101498186Sgordon 101598186Sgordon case $_action in 101698186Sgordon add|update) 101798186Sgordon cp -p $_file $_cur 101898186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 101998186Sgordon rcs -q -kb -U $_cur 102098186Sgordon co -q -f -u $_cur 102198186Sgordon chown root:wheel $_cur $_cur,v 102298186Sgordon ;; 102398186Sgordon remove) 102498186Sgordon cp /dev/null $_cur 102598186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 102698186Sgordon rcs -q -kb -U $_cur 102798186Sgordon chown root:wheel $_cur $_cur,v 102898186Sgordon rm $_cur 102998186Sgordon ;; 103098186Sgordon esac 103198186Sgordon else 103298186Sgordon case $_action in 103398186Sgordon add|update) 103498186Sgordon if [ -f $_cur ]; then 103598186Sgordon cp -p $_cur $_back 103698186Sgordon fi 103798186Sgordon cp -p $_file $_cur 103898186Sgordon chown root:wheel $_cur 103998186Sgordon ;; 104098186Sgordon remove) 104198186Sgordon mv -f $_cur $_back 104298186Sgordon ;; 104398186Sgordon esac 104498186Sgordon fi 104598186Sgordon} 1046119166Smtm 1047123344Smtm# make_symlink src link 1048123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1049123344Smtm# directory in which link is to be created does not exist 1050123344Smtm# a warning will be displayed and an error will be returned. 1051123344Smtm# Returns 0 on sucess, 1 otherwise. 1052119166Smtm# 1053123344Smtmmake_symlink() 1054119166Smtm{ 1055123344Smtm local src link linkdir _me 1056123344Smtm src="$1" 1057123344Smtm link="$2" 1058123344Smtm linkdir="`dirname $link`" 1059123344Smtm _me="make_symlink()" 1060119166Smtm 1061123344Smtm if [ -z "$src" -o -z "$link" ]; then 1062123344Smtm warn "$_me: requires two arguments." 1063119166Smtm return 1 1064119166Smtm fi 1065123344Smtm if [ ! -d "$linkdir" ]; then 1066123344Smtm warn "$_me: the directory $linkdir does not exist" 1067119166Smtm return 1 1068119166Smtm fi 1069119166Smtm if ! ln -sf $src $link ; then 1070123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1071119166Smtm return 1 1072119166Smtm fi 1073119166Smtm return 0 1074119166Smtm} 1075119166Smtm 1076119166Smtm# devfs_rulesets_from_file file 1077119166Smtm# Reads a set of devfs commands from file, and creates 1078119166Smtm# the specified rulesets with their rules. Returns non-zero 1079119166Smtm# if there was an error. 1080119166Smtm# 1081119166Smtmdevfs_rulesets_from_file() 1082119166Smtm{ 1083119166Smtm local file _err _me 1084119166Smtm file="$1" 1085119166Smtm _me="devfs_rulesets_from_file" 1086119166Smtm _err=0 1087119166Smtm 1088119166Smtm if [ -z "$file" ]; then 1089119166Smtm warn "$_me: you must specify a file" 1090119166Smtm return 1 1091119166Smtm fi 1092119166Smtm if [ ! -e "$file" ]; then 1093119166Smtm debug "$_me: no such file ($file)" 1094119166Smtm return 0 1095119166Smtm fi 1096119166Smtm debug "reading rulesets from file ($file)" 1097119166Smtm { while read line 1098119166Smtm do 1099119166Smtm case $line in 1100119166Smtm \#*) 1101119166Smtm continue 1102119166Smtm ;; 1103119166Smtm \[*\]*) 1104119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1105119166Smtm if [ -z "$rulenum" ]; then 1106119166Smtm warn "$_me: cannot extract rule number ($line)" 1107119166Smtm _err=1 1108119166Smtm break 1109119166Smtm fi 1110119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1111119166Smtm if [ -z "$rulename" ]; then 1112119166Smtm warn "$_me: cannot extract rule name ($line)" 1113119166Smtm _err=1 1114119166Smtm break; 1115119166Smtm fi 1116119166Smtm eval $rulename=\$rulenum 1117119166Smtm debug "found ruleset: $rulename=$rulenum" 1118119166Smtm if ! /sbin/devfs rule -s $rulenum delset ; then 1119119166Smtm _err=1 1120119166Smtm break 1121119166Smtm fi 1122119166Smtm ;; 1123119166Smtm *) 1124119166Smtm rulecmd="${line%%"\#*"}" 1125119166Smtm # evaluate the command incase it includes 1126119166Smtm # other rules 1127119166Smtm if [ -n "$rulecmd" ]; then 1128119166Smtm debug "adding rule ($rulecmd)" 1129119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1130119166Smtm then 1131119166Smtm _err=1 1132119166Smtm break 1133119166Smtm fi 1134119166Smtm fi 1135119166Smtm ;; 1136119166Smtm esac 1137119166Smtm if [ $_err -ne 0 ]; then 1138119166Smtm debug "error in $_me" 1139119166Smtm break 1140119166Smtm fi 1141119166Smtm done } < $file 1142119166Smtm return $_err 1143119166Smtm} 1144119166Smtm 1145119166Smtm# devfs_init_rulesets 1146119166Smtm# Initializes rulesets from configuration files. Returns 1147119166Smtm# non-zero if there was an error. 1148119166Smtm# 1149119166Smtmdevfs_init_rulesets() 1150119166Smtm{ 1151119166Smtm local file _me 1152119166Smtm _me="devfs_init_rulesets" 1153119166Smtm 1154119166Smtm # Go through this only once 1155119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1156119166Smtm debug "$_me: devfs rulesets already initialized" 1157119166Smtm return 1158119166Smtm fi 1159119166Smtm for file in $devfs_rulesets ; do 1160119166Smtm devfs_rulesets_from_file $file || return 1 1161119166Smtm done 1162119166Smtm devfs_rulesets_init=1 1163119166Smtm debug "$_me: devfs rulesets initialized" 1164119166Smtm return 0 1165119166Smtm} 1166119166Smtm 1167119166Smtm# devfs_set_ruleset ruleset [dir] 1168119166Smtm# Sets the default ruleset of dir to ruleset. The ruleset arguement 1169119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1170119166Smtm# Returns non-zero if it could not set it successfully. 1171119166Smtm# 1172119166Smtmdevfs_set_ruleset() 1173119166Smtm{ 1174119166Smtm local devdir rs _me 1175119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1176119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1177119166Smtm _me="devfs_set_ruleset" 1178119166Smtm 1179119166Smtm if [ -z "$rs" ]; then 1180119166Smtm warn "$_me: you must specify a ruleset number" 1181119166Smtm return 1 1182119166Smtm fi 1183119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1184119166Smtm if ! /sbin/devfs $devdir ruleset $rs ; then 1185119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1186119166Smtm return 1 1187119166Smtm fi 1188119166Smtm return 0 1189119166Smtm} 1190119166Smtm 1191119166Smtm# devfs_apply_ruleset ruleset [dir] 1192119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1193119166Smtm# The ruleset argument must be a ruleset name as specified 1194119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1195119166Smtm# if it could not apply the ruleset. 1196119166Smtm# 1197119166Smtmdevfs_apply_ruleset() 1198119166Smtm{ 1199119166Smtm local devdir rs _me 1200119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1201119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1202119166Smtm _me="devfs_apply_ruleset" 1203119166Smtm 1204119166Smtm if [ -z "$rs" ]; then 1205119166Smtm warn "$_me: you must specify a ruleset" 1206119166Smtm return 1 1207119166Smtm fi 1208119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1209119166Smtm if ! /sbin/devfs $devdir rule -s $rs applyset ; then 1210119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1211119166Smtm return 1 1212119166Smtm fi 1213119166Smtm return 0 1214119166Smtm} 1215119166Smtm 1216119166Smtm# devfs_domount dir [ruleset] 1217119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1218119166Smtm# on the mount-point. It must also be a ruleset name as specified 1219119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1220119166Smtm# 1221119166Smtmdevfs_domount() 1222119166Smtm{ 1223119166Smtm local devdir rs _me 1224119166Smtm devdir="$1" 1225119166Smtm [ -n "$2" ] && rs=$2 || rs= 1226119166Smtm _me="devfs_domount()" 1227119166Smtm 1228119166Smtm if [ -z "$devdir" ]; then 1229119166Smtm warn "$_me: you must specify a mount-point" 1230119166Smtm return 1 1231119166Smtm fi 1232119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1233119166Smtm if ! mount -t devfs dev "$devdir" ; then 1234119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1235119166Smtm return 1 1236119166Smtm fi 1237119166Smtm if [ -n "$rs" ]; then 1238119166Smtm devfs_init_rulesets 1239119166Smtm devfs_set_ruleset $rs $devdir 1240124797Scperciva devfs -m $devdir rule applyset 1241119166Smtm fi 1242119166Smtm return 0 1243119166Smtm} 1244119166Smtm 1245119166Smtm# devfs_mount_jail dir [ruleset] 1246119166Smtm# Mounts a devfs file system appropriate for jails 1247119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1248119166Smtm# it names will be used instead. If present, ruleset must 1249119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1250119166Smtm# This function returns non-zero if an error occurs. 1251119166Smtm# 1252119166Smtmdevfs_mount_jail() 1253119166Smtm{ 1254119166Smtm local jdev rs _me 1255119166Smtm jdev="$1" 1256119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1257119166Smtm _me="devfs_mount_jail" 1258119166Smtm 1259119166Smtm devfs_init_rulesets 1260119166Smtm if ! devfs_domount "$jdev" $rs ; then 1261119166Smtm warn "$_me: devfs was not mounted on $jdev" 1262119166Smtm return 1 1263119166Smtm fi 1264119166Smtm return 0 1265119166Smtm} 1266