rc.subr revision 124832
198186Sgordon# $NetBSD: rc.subr,v 1.49 2002/05/21 12:31:01 lukem Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 124832 2004-01-22 08:46:03Z 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= 14998186Sgordon for _revfile in $*; do 15098186Sgordon _revlist="$_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 | ( 16678344Sobrien _ismounted=no 16778344Sobrien while read what _on on _type type; do 16878344Sobrien if [ $on = $_fs ]; then 16978344Sobrien _ismounted=yes 17078344Sobrien fi 17178344Sobrien done 17298186Sgordon if [ $_ismounted = no ]; then 17378344Sobrien mount $_fs >/dev/null 2>&1 17478344Sobrien fi 17598186Sgordon ) 17678344Sobrien done 17778344Sobrien} 17878344Sobrien 17978344Sobrien# 18098186Sgordon# check_pidfile pidfile procname [interpreter] 18198186Sgordon# Parses the first line of pidfile for a PID, and ensures 18278344Sobrien# that the process is running and matches procname. 18398186Sgordon# Prints the matching PID upon success, nothing otherwise. 18498186Sgordon# interpreter is optional; see _find_processes() for details. 18578344Sobrien# 18678344Sobriencheck_pidfile() 18778344Sobrien{ 18878344Sobrien _pidfile=$1 18978344Sobrien _procname=$2 19098186Sgordon _interpreter=$3 19178344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 19298186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 19378344Sobrien fi 19478344Sobrien if [ ! -f $_pidfile ]; then 19598186Sgordon debug "pid file {$_pidfile): not readable." 19678344Sobrien return 19778344Sobrien fi 19878344Sobrien read _pid _junk < $_pidfile 19978344Sobrien if [ -z "$_pid" ]; then 20098186Sgordon debug "pid file {$_pidfile): no pid in file." 20178344Sobrien return 20278344Sobrien fi 20398186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 20478344Sobrien} 20578344Sobrien 20678344Sobrien# 20798186Sgordon# check_process procname [interpreter] 20878344Sobrien# Ensures that a process (or processes) named procname is running. 20998186Sgordon# Prints a list of matching PIDs. 21098186Sgordon# interpreter is optional; see _find_processes() for details. 21178344Sobrien# 21278344Sobriencheck_process() 21378344Sobrien{ 21478344Sobrien _procname=$1 21598186Sgordon _interpreter=$2 21678344Sobrien if [ -z "$_procname" ]; then 21798186Sgordon err 3 'USAGE: check_process procname [interpreter]' 21878344Sobrien fi 21998186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 22098186Sgordon} 22198186Sgordon 22298186Sgordon# 22398186Sgordon# _find_processes procname interpreter psargs 22498186Sgordon# Search for procname in the output of ps generated by psargs. 22598186Sgordon# Prints the PIDs of any matching processes, space separated. 22698186Sgordon# 22798186Sgordon# If interpreter == ".", check the following variations of procname 22898186Sgordon# against the first word of each command: 22998186Sgordon# procname 23098186Sgordon# `basename procname` 23198186Sgordon# `basename procname` + ":" 23298186Sgordon# "(" + `basename procname` + ")" 23398186Sgordon# 23498186Sgordon# If interpreter != ".", read the first line of procname, remove the 23598186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 23698186Sgordon# match that against each command, either as is, or with extra words 23798186Sgordon# at the end. 23898186Sgordon# 23998186Sgordon_find_processes() 24098186Sgordon{ 24198186Sgordon if [ $# -ne 3 ]; then 24298186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 24398186Sgordon fi 24498186Sgordon _procname=$1 24598186Sgordon _interpreter=$2 24698186Sgordon _psargs=$3 24798186Sgordon 24878344Sobrien _pref= 24998186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 25098186Sgordon read _interp < $_procname # read interpreter name 25198186Sgordon _interp=${_interp#\#!} # strip #! 25298186Sgordon set -- $_interp 25398186Sgordon if [ $_interpreter != $1 ]; then 25498186Sgordon warn "\$command_interpreter $_interpreter != $1" 25578344Sobrien fi 25698186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 25798186Sgordon _fp_args='_argv' 25898186Sgordon _fp_match='case "$_argv" in 25998186Sgordon ${_interp}|"${_interp} "*)' 26098186Sgordon else # a normal daemon 26198186Sgordon _procnamebn=${_procname##*/} 26298186Sgordon _fp_args='_arg0 _argv' 26398186Sgordon _fp_match='case "$_arg0" in 26498186Sgordon $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})")' 26598186Sgordon fi 26698186Sgordon 26798186Sgordon _proccheck=' 26898186Sgordon ps -o "pid,command" '"$_psargs"' | 26998186Sgordon while read _npid '"$_fp_args"'; do 27098186Sgordon case "$_npid" in 27198186Sgordon PID) 27298186Sgordon continue ;; 27398186Sgordon esac ; '"$_fp_match"' 27498186Sgordon echo -n "$_pref$_npid" ; 27598186Sgordon _pref=" " 27698186Sgordon ;; 27798186Sgordon esac 27898186Sgordon done' 27998186Sgordon 280114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 28198186Sgordon eval $_proccheck 28298186Sgordon} 28398186Sgordon 28498186Sgordon# 28598186Sgordon# wait_for_pids pid [pid ...] 28698186Sgordon# spins until none of the pids exist 28798186Sgordon# 28898186Sgordonwait_for_pids() 28998186Sgordon{ 29098186Sgordon _list=$* 29198186Sgordon if [ -z "$_list" ]; then 29298186Sgordon return 29398186Sgordon fi 29498186Sgordon _prefix= 29598186Sgordon while true; do 29698186Sgordon _nlist=""; 29798186Sgordon for _j in $_list; do 29898186Sgordon if kill -0 $_j 2>/dev/null; then 29998186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 30098186Sgordon fi 30198186Sgordon done 30298186Sgordon if [ -z "$_nlist" ]; then 30398186Sgordon break 30478344Sobrien fi 30598186Sgordon _list=$_nlist 30698186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 30798186Sgordon _prefix=", " 30898186Sgordon sleep 2 30978344Sobrien done 31098186Sgordon if [ -n "$_prefix" ]; then 31198186Sgordon echo "." 31298186Sgordon fi 31378344Sobrien} 31478344Sobrien 31578344Sobrien# 31698186Sgordon# run_rc_command argument 31798186Sgordon# Search for argument in the list of supported commands, which is: 31898186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 31998186Sgordon# If there's a match, run ${argument}_cmd or the default method 32098186Sgordon# (see below). 32178344Sobrien# 32298186Sgordon# If argument has a given prefix, then change the operation as follows: 32398186Sgordon# Prefix Operation 32478344Sobrien# ------ --------- 32598186Sgordon# fast Skip the pid check, and set rc_fast=yes 32698186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 32778344Sobrien# 32878344Sobrien# The following globals are used: 32978344Sobrien# 33098186Sgordon# Name Needed Purpose 33198186Sgordon# ---- ------ ------- 33278344Sobrien# name y Name of script. 33378344Sobrien# 33478344Sobrien# command n Full path to command. 33598186Sgordon# Not needed if ${rc_arg}_cmd is set for 33678344Sobrien# each keyword. 33778344Sobrien# 33878344Sobrien# command_args n Optional args/shell directives for command. 33978344Sobrien# 34098186Sgordon# command_interpreter n If not empty, command is interpreted, so 34198186Sgordon# call check_{pidfile,process}() appropriately. 34298186Sgordon# 34378344Sobrien# extra_commands n List of extra commands supported. 34478344Sobrien# 34598186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 34698186Sgordon# otherwise use check_process $command. 34798186Sgordon# In either case, only check if $command is set. 34878344Sobrien# 34998186Sgordon# procname n Process name to check for instead of $command. 35098186Sgordon# 35178344Sobrien# rcvar n This is checked with checkyesno to determine 35278344Sobrien# if the action should be run. 35378344Sobrien# 35478344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 35598186Sgordon# Requires /usr to be mounted. 35678344Sobrien# 35778344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 35878344Sobrien# (if not using ${name}_chroot). 35978344Sobrien# 36078344Sobrien# ${name}_flags n Arguments to call ${command} with. 36178344Sobrien# NOTE: $flags from the parent environment 36278344Sobrien# can be used to override this. 36378344Sobrien# 36478344Sobrien# ${name}_nice n Nice level to run ${command} at. 36578344Sobrien# 36678344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 36778344Sobrien# using ${name}_chroot. 36898186Sgordon# Requires /usr to be mounted. 36978344Sobrien# 37078344Sobrien# ${name}_group n Group to run chrooted ${command} as. 37198186Sgordon# Requires /usr to be mounted. 37278344Sobrien# 37398186Sgordon# ${name}_groups n Comma separated list of supplementary groups 37498186Sgordon# to run the chrooted ${command} with. 37598186Sgordon# Requires /usr to be mounted. 37678344Sobrien# 37798186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 37878344Sobrien# Otherwise, use default command (see below) 37978344Sobrien# 38098186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 38198186Sgordon# ${rc_arg}_cmd method in the default 38298186Sgordon# operation (i.e, after checking for required 38398186Sgordon# bits and process (non)existence). 38478344Sobrien# If this completes with a non-zero exit code, 38598186Sgordon# don't run ${rc_arg}_cmd. 38678344Sobrien# 38798186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 38898186Sgordon# ${rc_arg}_cmd method, if that method 38998186Sgordon# returned a zero exit code. 39098186Sgordon# 39178344Sobrien# required_dirs n If set, check for the existence of the given 39278344Sobrien# directories before running the default 39378344Sobrien# (re)start command. 39478344Sobrien# 39578344Sobrien# required_files n If set, check for the readability of the given 39678344Sobrien# files before running the default (re)start 39778344Sobrien# command. 39878344Sobrien# 39978344Sobrien# required_vars n If set, perform checkyesno on each of the 40078344Sobrien# listed variables before running the default 40178344Sobrien# (re)start command. 40278344Sobrien# 40398186Sgordon# Default behaviour for a given argument, if no override method is 40498186Sgordon# provided: 40578344Sobrien# 40698186Sgordon# Argument Default behaviour 40798186Sgordon# -------- ----------------- 40878344Sobrien# start if !running && checkyesno ${rcvar} 40978344Sobrien# ${command} 41078344Sobrien# 41178344Sobrien# stop if ${pidfile} 41298186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 41378344Sobrien# else 41498186Sgordon# rc_pid=$(check_process $command) 41598186Sgordon# kill $sig_stop $rc_pid 41698186Sgordon# wait_for_pids $rc_pid 41798186Sgordon# ($sig_stop defaults to TERM.) 41878344Sobrien# 41998186Sgordon# reload Similar to stop, except use $sig_reload instead, 42098186Sgordon# and doesn't wait_for_pids. 42178344Sobrien# $sig_reload defaults to HUP. 42278344Sobrien# 42378344Sobrien# restart Run `stop' then `start'. 42478344Sobrien# 42598186Sgordon# status Show if ${command} is running, etc. 42678344Sobrien# 42798186Sgordon# poll Wait for ${command} to exit. 42898186Sgordon# 42998186Sgordon# rcvar Display what rc.conf variable is used (if any). 43098186Sgordon# 43198186Sgordon# Variables available to methods, and after run_rc_command() has 43298186Sgordon# completed: 43398186Sgordon# 43498186Sgordon# Variable Purpose 43598186Sgordon# -------- ------- 43698186Sgordon# rc_arg Argument to command, after fast/force processing 43798186Sgordon# performed 43898186Sgordon# 43998186Sgordon# rc_flags Flags to start the default command with. 44098186Sgordon# Defaults to ${name}_flags, unless overridden 44198186Sgordon# by $flags from the environment. 44298186Sgordon# This variable may be changed by the precmd method. 44398186Sgordon# 44498186Sgordon# rc_pid PID of command (if appropriate) 44598186Sgordon# 44698186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 44798186Sgordon# 44898186Sgordon# rc_force Not empty if "force" was provided (q.v.) 44998186Sgordon# 45098186Sgordon# 45178344Sobrienrun_rc_command() 45278344Sobrien{ 453116097Smtm _return=0 45498186Sgordon rc_arg=$1 45578344Sobrien if [ -z "$name" ]; then 45698186Sgordon err 3 'run_rc_command: $name is not set.' 45778344Sobrien fi 45878344Sobrien 45998186Sgordon case "$rc_arg" in 46078344Sobrien fast*) # "fast" prefix; don't check pid 46198186Sgordon rc_arg=${rc_arg#fast} 46298186Sgordon rc_fast=yes 46378344Sobrien ;; 46478344Sobrien force*) # "force prefix; always start 46598186Sgordon rc_arg=${rc_arg#force} 46698186Sgordon rc_force=yes 46778344Sobrien if [ -n "${rcvar}" ]; then 46878344Sobrien eval ${rcvar}=YES 46978344Sobrien fi 47078344Sobrien ;; 47178344Sobrien esac 47278344Sobrien 47398186Sgordon eval _overide_command=\$${name}_program 47498186Sgordon if [ -n "$_overide_command" ]; then 47598186Sgordon command=$_overide_command 47698186Sgordon fi 47798186Sgordon 47878344Sobrien _keywords="start stop restart rcvar $extra_commands" 47998186Sgordon rc_pid= 48078344Sobrien _pidcmd= 48198186Sgordon _procname=${procname:-${command}} 48298186Sgordon 48378344Sobrien # setup pid check command if not fast 48498186Sgordon if [ -z "$rc_fast" -a -n "$_procname" ]; then 48578344Sobrien if [ -n "$pidfile" ]; then 48698186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 48798186Sgordon else 48898186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 48978344Sobrien fi 49078344Sobrien if [ -n "$_pidcmd" ]; then 49198186Sgordon _keywords="${_keywords} status poll" 49278344Sobrien fi 49378344Sobrien fi 49478344Sobrien 49598186Sgordon if [ -z "$rc_arg" ]; then 49678344Sobrien rc_usage "$_keywords" 49778344Sobrien fi 49878344Sobrien 49978344Sobrien if [ -n "$flags" ]; then # allow override from environment 50098186Sgordon rc_flags=$flags 50178344Sobrien else 50298186Sgordon eval rc_flags=\$${name}_flags 50378344Sobrien fi 50498186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 50598186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 50698186Sgordon _group=\$${name}_group _groups=\$${name}_groups 50778344Sobrien 50898186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 509124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 51098186Sgordon unset _user 51198186Sgordon fi 51298186Sgordon fi 51398186Sgordon 51478344Sobrien # if ${rcvar} is set, and $1 is not 51598186Sgordon # "rcvar", then run 51678344Sobrien # checkyesno ${rcvar} 51778344Sobrien # and return if that failed 51878344Sobrien # 51998186Sgordon if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 52078344Sobrien if ! checkyesno ${rcvar}; then 52178344Sobrien return 0 52278344Sobrien fi 52378344Sobrien fi 52478344Sobrien 52578344Sobrien eval $_pidcmd # determine the pid if necessary 52678344Sobrien 52778344Sobrien for _elem in $_keywords; do 52898186Sgordon if [ "$_elem" != "$rc_arg" ]; then 52978344Sobrien continue 53078344Sobrien fi 53178344Sobrien 53278344Sobrien # if there's a custom ${XXX_cmd}, 53378344Sobrien # run that instead of the default 53478344Sobrien # 53598186Sgordon eval _cmd=\$${rc_arg}_cmd _precmd=\$${rc_arg}_precmd \ 53698186Sgordon _postcmd=\$${rc_arg}_postcmd 53778344Sobrien if [ -n "$_cmd" ]; then 53878344Sobrien # if the precmd failed and force 53978344Sobrien # isn't set, exit 54078344Sobrien # 541116097Smtm if [ -n "$_precmd" ]; then 542116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 543116097Smtm eval $_precmd 544116097Smtm _return=$? 545116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 546116097Smtm return 1 54778344Sobrien fi 54878344Sobrien 549116097Smtm if [ -n "$_cmd" ]; then 550116097Smtm debug "run_rc_command: evaluating ${_cmd}()." 551116097Smtm eval $_cmd 552116097Smtm _return=$? 553116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 554116097Smtm return 1 55598186Sgordon fi 556109582Smtm 557116097Smtm if [ -n "$_postcmd" ]; then 558116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 559116097Smtm eval $_postcmd 560116097Smtm _return=$? 561116097Smtm fi 562116097Smtm return $_return 56378344Sobrien fi 56478344Sobrien 56598186Sgordon case "$rc_arg" in # default operations... 56678344Sobrien 56778344Sobrien status) 56898186Sgordon if [ -n "$rc_pid" ]; then 56998186Sgordon echo "${name} is running as pid $rc_pid." 57078344Sobrien else 57178344Sobrien echo "${name} is not running." 57278344Sobrien return 1 57378344Sobrien fi 57478344Sobrien ;; 57578344Sobrien 57678344Sobrien start) 57798186Sgordon if [ -n "$rc_pid" ]; then 57898186Sgordon echo "${name} already running? (pid=$rc_pid)." 57978344Sobrien exit 1 58078344Sobrien fi 58178344Sobrien 58278344Sobrien if [ ! -x $command ]; then 58398186Sgordon info "run_rc_command: cannot run ($command)." 58478344Sobrien return 0 58578344Sobrien fi 58678344Sobrien 58778344Sobrien # check for required variables, 58878344Sobrien # directories, and files 58978344Sobrien # 59078344Sobrien for _f in $required_vars; do 59178344Sobrien if ! checkyesno $_f; then 59278344Sobrien warn "\$${_f} is not set." 59398186Sgordon if [ -z "$rc_force" ]; then 59478344Sobrien return 1 59578344Sobrien fi 59678344Sobrien fi 59778344Sobrien done 59878344Sobrien for _f in $required_dirs; do 59978344Sobrien if [ ! -d "${_f}/." ]; then 60078344Sobrien warn "${_f} is not a directory." 60198186Sgordon if [ -z "$rc_force" ]; then 60278344Sobrien return 1 60378344Sobrien fi 60478344Sobrien fi 60578344Sobrien done 60678344Sobrien for _f in $required_files; do 60778344Sobrien if [ ! -r "${_f}" ]; then 60878344Sobrien warn "${_f} is not readable." 60998186Sgordon if [ -z "$rc_force" ]; then 61078344Sobrien return 1 61178344Sobrien fi 61278344Sobrien fi 61378344Sobrien done 61478344Sobrien 61578344Sobrien # if the precmd failed and force 61678344Sobrien # isn't set, exit 61778344Sobrien # 618116097Smtm if [ -n "${_precmd}" ]; then 619116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 620116097Smtm eval $_precmd 621116097Smtm _return=$? 622116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 623116097Smtm return 1 62478344Sobrien fi 62578344Sobrien 62678344Sobrien # setup the command to run, and run it 62778344Sobrien # 62878344Sobrien echo "Starting ${name}." 62978344Sobrien if [ -n "$_chroot" ]; then 63078344Sobrien _doit="\ 63178344Sobrien${_nice:+nice -n $_nice }\ 63278344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 63398186Sgordon$_chroot $command $rc_flags $command_args" 63478344Sobrien else 63578344Sobrien _doit="\ 63678344Sobrien${_chdir:+cd $_chdir; }\ 63778344Sobrien${_nice:+nice -n $_nice }\ 63898186Sgordon$command $rc_flags $command_args" 63998186Sgordon if [ -n "$_user" ]; then 64098186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 64198186Sgordon fi 64278344Sobrien fi 64398186Sgordon 64498186Sgordon # if the cmd failed and force 64598186Sgordon # isn't set, exit 64698186Sgordon # 64798186Sgordon debug "run_rc_command: _doit: $_doit" 648116097Smtm eval $_doit 649116097Smtm _return=$? 650116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 65198186Sgordon 65298186Sgordon # finally, run postcmd 65398186Sgordon # 654116097Smtm if [ -n "${_postcmd}" ]; then 655116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 656116097Smtm eval $_postcmd 657116097Smtm fi 65878344Sobrien ;; 65978344Sobrien 66078344Sobrien stop) 66198186Sgordon if [ -z "$rc_pid" ]; then 66278344Sobrien if [ -n "$pidfile" ]; then 66378344Sobrien echo \ 66478344Sobrien "${name} not running? (check $pidfile)." 66578344Sobrien else 66678344Sobrien echo "${name} not running?" 66778344Sobrien fi 66878344Sobrien exit 1 66978344Sobrien fi 67078344Sobrien 67198186Sgordon # if the precmd failed and force 67298186Sgordon # isn't set, exit 67398186Sgordon # 674117977Smtm if [ -n "$_precmd" ]; then 675116097Smtm eval $_precmd 676116097Smtm _return=$? 677116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 678116097Smtm return 1 67978344Sobrien fi 68098186Sgordon 68198186Sgordon # send the signal to stop 68298186Sgordon # 68378344Sobrien echo "Stopping ${name}." 68498186Sgordon _doit="kill -${sig_stop:-TERM} $rc_pid" 68598186Sgordon if [ -n "$_user" ]; then 68698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 68798186Sgordon fi 68898186Sgordon 68998186Sgordon # if the stop cmd failed and force 69098186Sgordon # isn't set, exit 69198186Sgordon # 692116097Smtm eval $_doit 693116097Smtm _return=$? 694116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 69598186Sgordon 69698186Sgordon # wait for the command to exit, 69798186Sgordon # and run postcmd. 69898186Sgordon wait_for_pids $rc_pid 699116097Smtm if [ -n "$_postcmd" ]; then 700116097Smtm eval $_postcmd 701116097Smtm _return=$? 702116097Smtm fi 70378344Sobrien ;; 70478344Sobrien 70578344Sobrien reload) 70698186Sgordon if [ -z "$rc_pid" ]; then 70778344Sobrien if [ -n "$pidfile" ]; then 70878344Sobrien echo \ 70978344Sobrien "${name} not running? (check $pidfile)." 71078344Sobrien else 71178344Sobrien echo "${name} not running?" 71278344Sobrien fi 71378344Sobrien exit 1 71478344Sobrien fi 71578344Sobrien echo "Reloading ${name} config files." 716116097Smtm if [ -n "$_precmd" ]; then 717116097Smtm eval $_precmd 718116097Smtm _return=$? 719116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 720116097Smtm return 1 72178344Sobrien fi 72298186Sgordon _doit="kill -${sig_reload:-HUP} $rc_pid" 72398186Sgordon if [ -n "$_user" ]; then 72498186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72598186Sgordon fi 726116097Smtm eval $_doit 727116097Smtm _return=$? 728116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 729116097Smtm if [ -n "$_postcmd" ]; then 730116097Smtm eval $_postcmd 731116097Smtm _return=$? 73298186Sgordon fi 73378344Sobrien ;; 73478344Sobrien 73578344Sobrien restart) 736116097Smtm if [ -n "$_precmd" ]; then 737116097Smtm eval $_precmd 738116097Smtm _return=$? 739116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 740116097Smtm return 1 74178344Sobrien fi 74278344Sobrien # prevent restart being called more 74378344Sobrien # than once by any given script 74478344Sobrien # 74578344Sobrien if [ -n "$_rc_restart_done" ]; then 74678344Sobrien return 0 74778344Sobrien fi 74878344Sobrien _rc_restart_done=YES 74978344Sobrien 75098186Sgordon ( $0 ${rc_force:+force}stop ) 75198186Sgordon $0 ${rc_force:+force}start 75298186Sgordon 753116097Smtm if [ -n "$_postcmd" ]; then 754116097Smtm eval $_postcmd 755116097Smtm _return=$? 756116097Smtm fi 75778344Sobrien ;; 75878344Sobrien 75998186Sgordon poll) 76098186Sgordon if [ -n "$rc_pid" ]; then 76198186Sgordon wait_for_pids $rc_pid 76298186Sgordon fi 76398186Sgordon ;; 76498186Sgordon 76578344Sobrien rcvar) 76678344Sobrien echo "# $name" 76778344Sobrien if [ -n "$rcvar" ]; then 76878344Sobrien if checkyesno ${rcvar}; then 76978344Sobrien echo "\$${rcvar}=YES" 77078344Sobrien else 77178344Sobrien echo "\$${rcvar}=NO" 77278344Sobrien fi 77378344Sobrien fi 77478344Sobrien ;; 77578344Sobrien 77678344Sobrien *) 77778344Sobrien rc_usage "$_keywords" 77878344Sobrien ;; 77978344Sobrien 78078344Sobrien esac 781116097Smtm return $_return 78278344Sobrien done 78378344Sobrien 78498186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 78578344Sobrien rc_usage "$_keywords" 78678344Sobrien exit 1 78778344Sobrien} 78878344Sobrien 78978344Sobrien# 79078344Sobrien# run_rc_script file arg 79178344Sobrien# Start the script `file' with `arg', and correctly handle the 79278344Sobrien# return value from the script. If `file' ends with `.sh', it's 79398186Sgordon# sourced into the current environment. If `file' appears to be 79498186Sgordon# a backup or scratch file, ignore it. Otherwise if it's 79598186Sgordon# executable run as a child process. 79678344Sobrien# 79778344Sobrienrun_rc_script() 79878344Sobrien{ 79978344Sobrien _file=$1 80078344Sobrien _arg=$2 80178344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 80278344Sobrien err 3 'USAGE: run_rc_script file arg' 80378344Sobrien fi 80478344Sobrien 80598186Sgordon trap "echo 'Reboot interrupted'; exit 1" 3 80698186Sgordon 80798186Sgordon unset name command command_args command_interpreter \ 80898186Sgordon extra_commands pidfile procname \ 80998186Sgordon rcvar required_dirs required_files required_vars 81098186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 81198186Sgordon 81278344Sobrien case "$_file" in 81378344Sobrien *.sh) # run in current shell 81478344Sobrien set $_arg ; . $_file 81578344Sobrien ;; 81698186Sgordon *[~#]|*.OLD|*.orig) # scratch file; skip 81798186Sgordon warn "Ignoring scratch file $_file" 81898186Sgordon ;; 81978344Sobrien *) # run in subshell 82098186Sgordon if [ -x $_file ]; then 82198186Sgordon if [ -n "$rc_fast_and_loose" ]; then 82298186Sgordon set $_arg ; . $_file 82398186Sgordon else 82498186Sgordon ( trap "echo 'Reboot interrupted'; exit 1" 3 82598186Sgordon set $_arg ; . $_file ) 82698186Sgordon fi 82798186Sgordon fi 82878344Sobrien ;; 82978344Sobrien esac 83078344Sobrien} 83178344Sobrien 83278344Sobrien# 83378344Sobrien# load_rc_config 83478344Sobrien# Source in the configuration file for a given command. 83578344Sobrien# 83678344Sobrienload_rc_config() 83778344Sobrien{ 83878344Sobrien _command=$1 83978344Sobrien if [ -z "$_command" ]; then 84078344Sobrien err 3 'USAGE: load_rc_config command' 84178344Sobrien fi 84278344Sobrien 84398186Sgordon if [ -z "$_rc_conf_loaded" ]; then 84498186Sgordon if [ -r /etc/defaults/rc.conf ]; then 84598186Sgordon debug "Sourcing /etc/defaults/rc.conf" 84698186Sgordon . /etc/defaults/rc.conf 84798186Sgordon source_rc_confs 84898186Sgordon elif [ -r /etc/rc.conf ]; then 84998186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 85098186Sgordon . /etc/rc.conf 85198186Sgordon fi 85298186Sgordon _rc_conf_loaded=YES 85398186Sgordon fi 85478344Sobrien if [ -f /etc/rc.conf.d/"$_command" ]; then 85598186Sgordon debug "Sourcing /etc/rc.conf.d/${_command}" 85678344Sobrien . /etc/rc.conf.d/"$_command" 85778344Sobrien fi 858101850Sgordon 859101850Sgordon # XXX - Deprecated variable name support 860101850Sgordon # 861103018Sgordon case ${OSTYPE} in 862101850Sgordon FreeBSD) 863101850Sgordon [ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable" 864101850Sgordon [ -n "$portmap_program" ] && rpcbind_program="$portmap_program" 865101850Sgordon [ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags" 866101850Sgordon [ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable" 867101850Sgordon [ -n "$xntpd_enable" ] && ntpd_enable="$xntpd_enable" 868101850Sgordon [ -n "$xntpd_program" ] && ntpd_program="$xntpd_program" 869101850Sgordon [ -n "$xntpd_flags" ] && ntpd_flags="$xntpd_flags" 870115950Smtm [ -n "$dhcp_program" ] && dhclient_program="$dhcp_program" 871115950Smtm [ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags" 872101850Sgordon ;; 873101850Sgordon esac 874101850Sgordon 87578344Sobrien} 87678344Sobrien 87778344Sobrien# 87878344Sobrien# rc_usage commands 87978344Sobrien# Print a usage string for $0, with `commands' being a list of 88078344Sobrien# valid commands. 88178344Sobrien# 88278344Sobrienrc_usage() 88378344Sobrien{ 884106643Sgordon echo -n 1>&2 "Usage: $0 [fast|force](" 88578344Sobrien 88678344Sobrien _sep= 88778344Sobrien for _elem in $*; do 88878344Sobrien echo -n 1>&2 "$_sep$_elem" 88978344Sobrien _sep="|" 89078344Sobrien done 89178344Sobrien echo 1>&2 ")" 89278344Sobrien exit 1 89378344Sobrien} 89478344Sobrien 89578344Sobrien# 89678344Sobrien# err exitval message 89778344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 89878344Sobrien# 89978344Sobrienerr() 90078344Sobrien{ 90178344Sobrien exitval=$1 90278344Sobrien shift 90378344Sobrien 904106643Sgordon if [ -x /usr/bin/logger ]; then 905106643Sgordon logger "$0: ERROR: $*" 906106643Sgordon fi 907106643Sgordon echo 1>&2 "$0: ERROR: $*" 90878344Sobrien exit $exitval 90978344Sobrien} 91078344Sobrien 91178344Sobrien# 91278344Sobrien# warn message 91378344Sobrien# Display message to stderr and log to the syslog. 91478344Sobrien# 91578344Sobrienwarn() 91678344Sobrien{ 917106643Sgordon if [ -x /usr/bin/logger ]; then 918106643Sgordon logger "$0: WARNING: $*" 919106643Sgordon fi 920106643Sgordon echo 1>&2 "$0: WARNING: $*" 92178344Sobrien} 92298186Sgordon 92398186Sgordon# 92498186Sgordon# info message 92598186Sgordon# Display informational message to stdout and log to syslog. 92698186Sgordon# 92798186Sgordoninfo() 92898186Sgordon{ 929119170Smtm case ${rc_info} in 930119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 931119170Smtm if [ -x /usr/bin/logger ]; then 932119170Smtm logger "$0: INFO: $*" 933119170Smtm fi 934119170Smtm echo "$0: INFO: $*" 935119170Smtm ;; 936119170Smtm esac 93798186Sgordon} 93898186Sgordon 93998186Sgordon# 94098186Sgordon# debug message 941106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 94298186Sgordon# BEWARE that you don't call any subroutine that itself calls this 94398186Sgordon# function. 94498186Sgordon# 94598186Sgordondebug() 94698186Sgordon{ 94798186Sgordon case ${rc_debug} in 94898186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 949106700Sgordon if [ -x /usr/bin/logger ]; then 950106700Sgordon logger "$0: INFO: $*" 951106700Sgordon fi 952106643Sgordon echo 1>&2 "$0: DEBUG: $*" 95398186Sgordon ;; 95498186Sgordon esac 95598186Sgordon} 95698186Sgordon 95798186Sgordon# 95898186Sgordon# backup_file action file cur backup 95998186Sgordon# Make a backup copy of `file' into `cur', and save the previous 96098186Sgordon# version of `cur' as `backup' or use rcs for archiving. 96198186Sgordon# 96298186Sgordon# This routine checks the value of the backup_uses_rcs variable, 96398186Sgordon# which can be either YES or NO. 96498186Sgordon# 96598186Sgordon# The `action' keyword can be one of the following: 96698186Sgordon# 96798186Sgordon# add `file' is now being backed up (and is possibly 96898186Sgordon# being reentered into the backups system). `cur' 96998186Sgordon# is created and RCS files, if necessary, are 97098186Sgordon# created as well. 97198186Sgordon# 97298186Sgordon# update `file' has changed and needs to be backed up. 97398186Sgordon# If `cur' exists, it is copied to to `back' or 97498186Sgordon# checked into RCS (if the repository file is old), 97598186Sgordon# and then `file' is copied to `cur'. Another RCS 97698186Sgordon# check in done here if RCS is being used. 97798186Sgordon# 97898186Sgordon# remove `file' is no longer being tracked by the backups 97998186Sgordon# system. If RCS is not being used, `cur' is moved 98098186Sgordon# to `back', otherwise an empty file is checked in, 98198186Sgordon# and then `cur' is removed. 98298186Sgordon# 98398186Sgordon# 98498186Sgordonbackup_file() 98598186Sgordon{ 98698186Sgordon _action=$1 98798186Sgordon _file=$2 98898186Sgordon _cur=$3 98998186Sgordon _back=$4 99098186Sgordon 99198186Sgordon if checkyesno backup_uses_rcs; then 99298186Sgordon _msg0="backup archive" 99398186Sgordon _msg1="update" 99498186Sgordon 99598186Sgordon # ensure that history file is not locked 99698186Sgordon if [ -f $_cur,v ]; then 99798186Sgordon rcs -q -u -U -M $_cur 99898186Sgordon fi 99998186Sgordon 100098186Sgordon # ensure after switching to rcs that the 100198186Sgordon # current backup is not lost 100298186Sgordon if [ -f $_cur ]; then 100398186Sgordon # no archive, or current newer than archive 100498186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 100598186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 100698186Sgordon rcs -q -kb -U $_cur 100798186Sgordon co -q -f -u $_cur 100898186Sgordon fi 100998186Sgordon fi 101098186Sgordon 101198186Sgordon case $_action in 101298186Sgordon add|update) 101398186Sgordon cp -p $_file $_cur 101498186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 101598186Sgordon rcs -q -kb -U $_cur 101698186Sgordon co -q -f -u $_cur 101798186Sgordon chown root:wheel $_cur $_cur,v 101898186Sgordon ;; 101998186Sgordon remove) 102098186Sgordon cp /dev/null $_cur 102198186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 102298186Sgordon rcs -q -kb -U $_cur 102398186Sgordon chown root:wheel $_cur $_cur,v 102498186Sgordon rm $_cur 102598186Sgordon ;; 102698186Sgordon esac 102798186Sgordon else 102898186Sgordon case $_action in 102998186Sgordon add|update) 103098186Sgordon if [ -f $_cur ]; then 103198186Sgordon cp -p $_cur $_back 103298186Sgordon fi 103398186Sgordon cp -p $_file $_cur 103498186Sgordon chown root:wheel $_cur 103598186Sgordon ;; 103698186Sgordon remove) 103798186Sgordon mv -f $_cur $_back 103898186Sgordon ;; 103998186Sgordon esac 104098186Sgordon fi 104198186Sgordon} 1042119166Smtm 1043123344Smtm# make_symlink src link 1044123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1045123344Smtm# directory in which link is to be created does not exist 1046123344Smtm# a warning will be displayed and an error will be returned. 1047123344Smtm# Returns 0 on sucess, 1 otherwise. 1048119166Smtm# 1049123344Smtmmake_symlink() 1050119166Smtm{ 1051123344Smtm local src link linkdir _me 1052123344Smtm src="$1" 1053123344Smtm link="$2" 1054123344Smtm linkdir="`dirname $link`" 1055123344Smtm _me="make_symlink()" 1056119166Smtm 1057123344Smtm if [ -z "$src" -o -z "$link" ]; then 1058123344Smtm warn "$_me: requires two arguments." 1059119166Smtm return 1 1060119166Smtm fi 1061123344Smtm if [ ! -d "$linkdir" ]; then 1062123344Smtm warn "$_me: the directory $linkdir does not exist" 1063119166Smtm return 1 1064119166Smtm fi 1065119166Smtm if ! ln -sf $src $link ; then 1066123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1067119166Smtm return 1 1068119166Smtm fi 1069119166Smtm return 0 1070119166Smtm} 1071119166Smtm 1072119166Smtm# devfs_rulesets_from_file file 1073119166Smtm# Reads a set of devfs commands from file, and creates 1074119166Smtm# the specified rulesets with their rules. Returns non-zero 1075119166Smtm# if there was an error. 1076119166Smtm# 1077119166Smtmdevfs_rulesets_from_file() 1078119166Smtm{ 1079119166Smtm local file _err _me 1080119166Smtm file="$1" 1081119166Smtm _me="devfs_rulesets_from_file" 1082119166Smtm _err=0 1083119166Smtm 1084119166Smtm if [ -z "$file" ]; then 1085119166Smtm warn "$_me: you must specify a file" 1086119166Smtm return 1 1087119166Smtm fi 1088119166Smtm if [ ! -e "$file" ]; then 1089119166Smtm debug "$_me: no such file ($file)" 1090119166Smtm return 0 1091119166Smtm fi 1092119166Smtm debug "reading rulesets from file ($file)" 1093119166Smtm { while read line 1094119166Smtm do 1095119166Smtm case $line in 1096119166Smtm \#*) 1097119166Smtm continue 1098119166Smtm ;; 1099119166Smtm \[*\]*) 1100119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1101119166Smtm if [ -z "$rulenum" ]; then 1102119166Smtm warn "$_me: cannot extract rule number ($line)" 1103119166Smtm _err=1 1104119166Smtm break 1105119166Smtm fi 1106119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1107119166Smtm if [ -z "$rulename" ]; then 1108119166Smtm warn "$_me: cannot extract rule name ($line)" 1109119166Smtm _err=1 1110119166Smtm break; 1111119166Smtm fi 1112119166Smtm eval $rulename=\$rulenum 1113119166Smtm debug "found ruleset: $rulename=$rulenum" 1114119166Smtm if ! /sbin/devfs rule -s $rulenum delset ; then 1115119166Smtm _err=1 1116119166Smtm break 1117119166Smtm fi 1118119166Smtm ;; 1119119166Smtm *) 1120119166Smtm rulecmd="${line%%"\#*"}" 1121119166Smtm # evaluate the command incase it includes 1122119166Smtm # other rules 1123119166Smtm if [ -n "$rulecmd" ]; then 1124119166Smtm debug "adding rule ($rulecmd)" 1125119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1126119166Smtm then 1127119166Smtm _err=1 1128119166Smtm break 1129119166Smtm fi 1130119166Smtm fi 1131119166Smtm ;; 1132119166Smtm esac 1133119166Smtm if [ $_err -ne 0 ]; then 1134119166Smtm debug "error in $_me" 1135119166Smtm break 1136119166Smtm fi 1137119166Smtm done } < $file 1138119166Smtm return $_err 1139119166Smtm} 1140119166Smtm 1141119166Smtm# devfs_init_rulesets 1142119166Smtm# Initializes rulesets from configuration files. Returns 1143119166Smtm# non-zero if there was an error. 1144119166Smtm# 1145119166Smtmdevfs_init_rulesets() 1146119166Smtm{ 1147119166Smtm local file _me 1148119166Smtm _me="devfs_init_rulesets" 1149119166Smtm 1150119166Smtm # Go through this only once 1151119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1152119166Smtm debug "$_me: devfs rulesets already initialized" 1153119166Smtm return 1154119166Smtm fi 1155119166Smtm for file in $devfs_rulesets ; do 1156119166Smtm devfs_rulesets_from_file $file || return 1 1157119166Smtm done 1158119166Smtm devfs_rulesets_init=1 1159119166Smtm debug "$_me: devfs rulesets initialized" 1160119166Smtm return 0 1161119166Smtm} 1162119166Smtm 1163119166Smtm# devfs_set_ruleset ruleset [dir] 1164119166Smtm# Sets the default ruleset of dir to ruleset. The ruleset arguement 1165119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1166119166Smtm# Returns non-zero if it could not set it successfully. 1167119166Smtm# 1168119166Smtmdevfs_set_ruleset() 1169119166Smtm{ 1170119166Smtm local devdir rs _me 1171119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1172119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1173119166Smtm _me="devfs_set_ruleset" 1174119166Smtm 1175119166Smtm if [ -z "$rs" ]; then 1176119166Smtm warn "$_me: you must specify a ruleset number" 1177119166Smtm return 1 1178119166Smtm fi 1179119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1180119166Smtm if ! /sbin/devfs $devdir ruleset $rs ; then 1181119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1182119166Smtm return 1 1183119166Smtm fi 1184119166Smtm return 0 1185119166Smtm} 1186119166Smtm 1187119166Smtm# devfs_apply_ruleset ruleset [dir] 1188119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1189119166Smtm# The ruleset argument must be a ruleset name as specified 1190119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1191119166Smtm# if it could not apply the ruleset. 1192119166Smtm# 1193119166Smtmdevfs_apply_ruleset() 1194119166Smtm{ 1195119166Smtm local devdir rs _me 1196119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1197119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1198119166Smtm _me="devfs_apply_ruleset" 1199119166Smtm 1200119166Smtm if [ -z "$rs" ]; then 1201119166Smtm warn "$_me: you must specify a ruleset" 1202119166Smtm return 1 1203119166Smtm fi 1204119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1205119166Smtm if ! /sbin/devfs $devdir rule -s $rs applyset ; then 1206119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1207119166Smtm return 1 1208119166Smtm fi 1209119166Smtm return 0 1210119166Smtm} 1211119166Smtm 1212119166Smtm# devfs_domount dir [ruleset] 1213119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1214119166Smtm# on the mount-point. It must also be a ruleset name as specified 1215119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1216119166Smtm# 1217119166Smtmdevfs_domount() 1218119166Smtm{ 1219119166Smtm local devdir rs _me 1220119166Smtm devdir="$1" 1221119166Smtm [ -n "$2" ] && rs=$2 || rs= 1222119166Smtm _me="devfs_domount()" 1223119166Smtm 1224119166Smtm if [ -z "$devdir" ]; then 1225119166Smtm warn "$_me: you must specify a mount-point" 1226119166Smtm return 1 1227119166Smtm fi 1228119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1229119166Smtm if ! mount -t devfs dev "$devdir" ; then 1230119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1231119166Smtm return 1 1232119166Smtm fi 1233119166Smtm if [ -n "$rs" ]; then 1234119166Smtm devfs_init_rulesets 1235119166Smtm devfs_set_ruleset $rs $devdir 1236124797Scperciva devfs -m $devdir rule applyset 1237119166Smtm fi 1238119166Smtm return 0 1239119166Smtm} 1240119166Smtm 1241119166Smtm# devfs_mount_jail dir [ruleset] 1242119166Smtm# Mounts a devfs file system appropriate for jails 1243119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1244119166Smtm# it names will be used instead. If present, ruleset must 1245119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1246119166Smtm# This function returns non-zero if an error occurs. 1247119166Smtm# 1248119166Smtmdevfs_mount_jail() 1249119166Smtm{ 1250119166Smtm local jdev rs _me 1251119166Smtm jdev="$1" 1252119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1253119166Smtm _me="devfs_mount_jail" 1254119166Smtm 1255119166Smtm devfs_init_rulesets 1256119166Smtm if ! devfs_domount "$jdev" $rs ; then 1257119166Smtm warn "$_me: devfs was not mounted on $jdev" 1258119166Smtm return 1 1259119166Smtm fi 1260119166Smtm return 0 1261119166Smtm} 1262