rc.subr revision 161396
198186Sgordon# $NetBSD: rc.subr,v 1.66 2006/04/01 10:05:50 he Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 161396 2006-08-17 08:04:20Z yar $ 378344Sobrien# 498186Sgordon# Copyright (c) 1997-2004 The NetBSD Foundation, Inc. 578344Sobrien# All rights reserved. 678344Sobrien# 778344Sobrien# This code is derived from software contributed to The NetBSD Foundation 878344Sobrien# by Luke Mewburn. 978344Sobrien# 1078344Sobrien# Redistribution and use in source and binary forms, with or without 1178344Sobrien# modification, are permitted provided that the following conditions 1278344Sobrien# are met: 1378344Sobrien# 1. Redistributions of source code must retain the above copyright 1478344Sobrien# notice, this list of conditions and the following disclaimer. 1578344Sobrien# 2. Redistributions in binary form must reproduce the above copyright 1678344Sobrien# notice, this list of conditions and the following disclaimer in the 1778344Sobrien# documentation and/or other materials provided with the distribution. 1878344Sobrien# 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: ${rcvar_manpage:='rc.conf(5)'} 4398186Sgordon 4498186Sgordon# 4598186Sgordon# Operating System dependent/independent variables 4698186Sgordon# 4798186Sgordon 4898186Sgordonif [ -z "${_rc_subr_loaded}" ]; then 49103018Sgordon 5098186Sgordon_rc_subr_loaded="YES" 51103018Sgordon 5298186SgordonSYSCTL="/sbin/sysctl" 5398186SgordonSYSCTL_N="${SYSCTL} -n" 5498186SgordonCMD_OSTYPE="${SYSCTL_N} kern.ostype" 5598186SgordonOSTYPE=`${CMD_OSTYPE}` 5698186SgordonID="/usr/bin/id" 5798186SgordonJID=`ps -p $$ -o jid=` 5898186SgordonIDCMD="if [ -x $ID ]; then $ID -un; fi" 5998186Sgordon 6098186Sgordoncase ${OSTYPE} in 6178344SobrienFreeBSD) 6278344Sobrien SYSCTL_W="${SYSCTL}" 6378344Sobrien ;; 6478344SobrienNetBSD) 6598186Sgordon SYSCTL_W="${SYSCTL} -w" 6698186Sgordon ;; 6798186Sgordonesac 6898186Sgordon 6998186Sgordon# 7098186Sgordon# functions 7198186Sgordon# --------- 7298186Sgordon 7398186Sgordon# 7498186Sgordon# set_rcvar base_var 7598186Sgordon# Set the variable name enabling a specific service. 7698186Sgordon# FreeBSD uses ${service}_enable, while NetBSD uses 7798186Sgordon# just the name of the service. For example: 7898186Sgordon# FreeBSD: sendmail_enable="YES" 7998186Sgordon# NetBSD : sendmail="YES" 8098186Sgordon# $1 - if $name is not the base to work of off, specify 8198186Sgordon# a different one 82103018Sgordon# 8398186Sgordonset_rcvar() 8498186Sgordon{ 8598186Sgordon if [ -z "$1" ]; then 8698186Sgordon base_var=${name} 8798186Sgordon else 8898186Sgordon base_var="$1" 8998186Sgordon fi 9098186Sgordon 9198186Sgordon case ${OSTYPE} in 9298186Sgordon FreeBSD) 9398186Sgordon echo ${base_var}_enable 9498186Sgordon ;; 9598186Sgordon NetBSD) 9698186Sgordon echo ${base_var} 9798186Sgordon ;; 9898186Sgordon *) 9998186Sgordon echo 'XXX' 10098186Sgordon ;; 10198186Sgordon esac 10298186Sgordon} 10398186Sgordon 10498186Sgordon# 10598186Sgordon# force_depend script 10698186Sgordon# Force a service to start. Intended for use by services 10798186Sgordon# to resolve dependency issues. It is assumed the caller 10898186Sgordon# has check to make sure this call is necessary 10998186Sgordon# $1 - filename of script, in /etc/rc.d, to run 11098186Sgordon# 11198186Sgordonforce_depend() 11298186Sgordon{ 11398186Sgordon _depend="$1" 11498186Sgordon 11578344Sobrien info "${name} depends on ${_depend}, which will be forced to start." 11678344Sobrien if ! /etc/rc.d/${_depend} forcestart; then 11778344Sobrien warn "Unable to force ${_depend}. It may already be running." 11878344Sobrien return 1 11978344Sobrien fi 12078344Sobrien return 0 12178344Sobrien} 12298186Sgordon 12378344Sobrien# 12478344Sobrien# checkyesno var 12578344Sobrien# Test $1 variable, and warn if not set to YES or NO. 12678344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 12778344Sobrien# 12878344Sobriencheckyesno() 12978344Sobrien{ 13078344Sobrien eval _value=\$${1} 13178344Sobrien debug "checkyesno: $1 is set to $_value." 13278344Sobrien case $_value in 13378344Sobrien 13478344Sobrien # "yes", "true", "on", or "1" 135106643Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 13678344Sobrien return 0 13778344Sobrien ;; 13878344Sobrien 13978344Sobrien # "no", "false", "off", or "0" 14078344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 14198186Sgordon return 1 14298186Sgordon ;; 14378344Sobrien *) 14498186Sgordon warn "\$${1} is not set properly - see ${rcvar_manpage}." 14598186Sgordon return 1 14698186Sgordon ;; 14798186Sgordon esac 14898186Sgordon} 14998186Sgordon 15098186Sgordon# 15198186Sgordon# reverse_list list 15298186Sgordon# print the list in reverse order 15378344Sobrien# 15498186Sgordonreverse_list() 15598186Sgordon{ 15698186Sgordon _revlist= 15798186Sgordon for _revfile; do 15898186Sgordon _revlist="$_revfile $_revlist" 15978344Sobrien done 16078344Sobrien echo $_revlist 16198186Sgordon} 16278344Sobrien 16378344Sobrien# 16478344Sobrien# mount_critical_filesystems type 16578344Sobrien# Go through the list of critical filesystems as provided in 16678344Sobrien# the rc.conf(5) variable $critical_filesystems_${type}, checking 16778344Sobrien# each one to see if it is mounted, and if it is not, mounting it. 16878344Sobrien# 16978344Sobrienmount_critical_filesystems() 17098186Sgordon{ 17178344Sobrien eval _fslist=\$critical_filesystems_${1} 17278344Sobrien for _fs in $_fslist; do 17398186Sgordon mount | ( 17478344Sobrien _ismounted=false 17578344Sobrien while read what _on on _type type; do 17678344Sobrien if [ $on = $_fs ]; then 17778344Sobrien _ismounted=true 17898186Sgordon fi 17998186Sgordon done 18078344Sobrien if $_ismounted; then 18198186Sgordon : 18298186Sgordon else 18378344Sobrien mount $_fs >/dev/null 2>&1 18478344Sobrien fi 18578344Sobrien ) 18678344Sobrien done 18778344Sobrien} 18898186Sgordon 18978344Sobrien# 19098186Sgordon# check_pidfile pidfile procname [interpreter] 19178344Sobrien# Parses the first line of pidfile for a PID, and ensures 19278344Sobrien# that the process is running and matches procname. 19398186Sgordon# Prints the matching PID upon success, nothing otherwise. 19478344Sobrien# interpreter is optional; see _find_processes() for details. 19578344Sobrien# 19678344Sobriencheck_pidfile() 19778344Sobrien{ 19898186Sgordon _pidfile=$1 19978344Sobrien _procname=$2 20078344Sobrien _interpreter=$3 20198186Sgordon if [ -z "$_pidfile" -o -z "$_procname" ]; then 20278344Sobrien err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 20378344Sobrien fi 20478344Sobrien if [ ! -f $_pidfile ]; then 20598186Sgordon debug "pid file ($_pidfile): not readable." 20678344Sobrien return 20798186Sgordon fi 20898186Sgordon read _pid _junk < $_pidfile 20978344Sobrien if [ -z "$_pid" ]; then 21078344Sobrien debug "pid file ($_pidfile): no pid in file." 21178344Sobrien return 21278344Sobrien fi 21398186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 21478344Sobrien} 21598186Sgordon 21678344Sobrien# 21798186Sgordon# check_process procname [interpreter] 21898186Sgordon# Ensures that a process (or processes) named procname is running. 21998186Sgordon# Prints a list of matching PIDs. 22098186Sgordon# interpreter is optional; see _find_processes() for details. 22198186Sgordon# 22298186Sgordoncheck_process() 22398186Sgordon{ 22498186Sgordon _procname=$1 22598186Sgordon _interpreter=$2 22698186Sgordon if [ -z "$_procname" ]; then 22798186Sgordon err 3 'USAGE: check_process procname [interpreter]' 22898186Sgordon fi 22998186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 23098186Sgordon} 23198186Sgordon 23298186Sgordon# 23398186Sgordon# _find_processes procname interpreter psargs 23498186Sgordon# Search for procname in the output of ps generated by psargs. 23598186Sgordon# Prints the PIDs of any matching processes, space separated. 23698186Sgordon# 23798186Sgordon# If interpreter == ".", check the following variations of procname 23898186Sgordon# against the first word of each command: 23998186Sgordon# procname 24098186Sgordon# `basename procname` 24198186Sgordon# `basename procname` + ":" 24298186Sgordon# "(" + `basename procname` + ")" 24398186Sgordon# "[" + `basename procname` + "]" 24498186Sgordon# 24598186Sgordon# If interpreter != ".", read the first line of procname, remove the 24678344Sobrien# leading #!, normalise whitespace, append procname, and attempt to 24798186Sgordon# match that against each command, either as is, or with extra words 24898186Sgordon# at the end. As an alternative, to deal with interpreted daemons 24998186Sgordon# using perl, the basename of the interpreter plus a colon is also 25098186Sgordon# tried as the prefix to procname. 25198186Sgordon# 25298186Sgordon_find_processes() 25378344Sobrien{ 25498186Sgordon if [ $# -ne 3 ]; then 25598186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 25698186Sgordon fi 25798186Sgordon _procname=$1 25898186Sgordon _interpreter=$2 25998186Sgordon _psargs=$3 26098186Sgordon 26198186Sgordon _pref= 26298186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 26398186Sgordon read _interp < $_procname # read interpreter name 26498186Sgordon _interp=${_interp#\#!} # strip #! 26598186Sgordon set -- $_interp 26698186Sgordon if [ $_interpreter != $1 ]; then 26798186Sgordon warn "\$command_interpreter $_interpreter != $1" 26898186Sgordon fi 26998186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 27098186Sgordon _interpbn=${1##*/} 27198186Sgordon _fp_args='_argv' 27298186Sgordon _fp_match='case "$_argv" in 27398186Sgordon ${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)' 27498186Sgordon else # a normal daemon 27598186Sgordon _procnamebn=${_procname##*/} 27698186Sgordon _fp_args='_arg0 _argv' 27798186Sgordon _fp_match='case "$_arg0" in 278114272Smtm $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 27998186Sgordon fi 28098186Sgordon 28198186Sgordon _proccheck=' 28298186Sgordon ps 2>/dev/null -o "pid,jid,command" '"$_psargs"' | 28398186Sgordon while read _npid _jid '"$_fp_args"'; do 28498186Sgordon case "$_npid" in 28598186Sgordon PID) 28698186Sgordon continue;; 28798186Sgordon esac; '"$_fp_match"' 28898186Sgordon if [ "$JID" -eq "$_jid" ]; 28998186Sgordon then echo -n "$_pref$_npid"; 29098186Sgordon _pref=" "; 29198186Sgordon fi 29298186Sgordon ;; 29398186Sgordon esac 29498186Sgordon done' 29598186Sgordon 29698186Sgordon# debug "in _find_processes: proccheck is ($_proccheck)." 29798186Sgordon eval $_proccheck 29898186Sgordon} 29998186Sgordon 30098186Sgordon# 30198186Sgordon# wait_for_pids pid [pid ...] 30278344Sobrien# spins until none of the pids exist 30398186Sgordon# 30498186Sgordonwait_for_pids() 30598186Sgordon{ 30698186Sgordon _list="$@" 30778344Sobrien if [ -z "$_list" ]; then 30898186Sgordon return 30998186Sgordon fi 31098186Sgordon _prefix= 31178344Sobrien while true; do 31278344Sobrien _nlist=""; 31378344Sobrien for _j in $_list; do 31498186Sgordon if kill -0 $_j 2>/dev/null; then 31598186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 31698186Sgordon fi 31798186Sgordon done 31898186Sgordon if [ -z "$_nlist" ]; then 31978344Sobrien break 32098186Sgordon fi 32198186Sgordon _list=$_nlist 32278344Sobrien echo -n ${_prefix:-"Waiting for PIDS: "}$_list 32398186Sgordon _prefix=", " 32498186Sgordon sleep 2 32578344Sobrien done 32678344Sobrien if [ -n "$_prefix" ]; then 32778344Sobrien echo "." 32898186Sgordon fi 32998186Sgordon} 33078344Sobrien 33178344Sobrien# 33278344Sobrien# run_rc_command argument 33398186Sgordon# Search for argument in the list of supported commands, which is: 33478344Sobrien# "start stop restart rcvar status poll ${extra_commands}" 33578344Sobrien# If there's a match, run ${argument}_cmd or the default method 33678344Sobrien# (see below). 33778344Sobrien# 33898186Sgordon# If argument has a given prefix, then change the operation as follows: 33998186Sgordon# Prefix Operation 34098186Sgordon# ------ --------- 34178344Sobrien# fast Skip the pid check, and set rc_fast=yes 34278344Sobrien# force Set ${rcvar} to YES, and set rc_force=yes 34398186Sgordon# one Set ${rcvar} to YES 34498186Sgordon# 34598186Sgordon# The following globals are used: 34678344Sobrien# 34798186Sgordon# Name Needed Purpose 34898186Sgordon# ---- ------ ------- 34978344Sobrien# name y Name of script. 35078344Sobrien# 35178344Sobrien# command n Full path to command. 35278344Sobrien# Not needed if ${rc_arg}_cmd is set for 35398186Sgordon# each keyword. 35478344Sobrien# 35578344Sobrien# command_args n Optional args/shell directives for command. 35678344Sobrien# 35778344Sobrien# command_interpreter n If not empty, command is interpreted, so 35878344Sobrien# call check_{pidfile,process}() appropriately. 35978344Sobrien# 36078344Sobrien# extra_commands n List of extra commands supported. 36178344Sobrien# 36278344Sobrien# pidfile n If set, use check_pidfile $pidfile $command, 36378344Sobrien# otherwise use check_process $command. 36478344Sobrien# In either case, only check if $command is set. 36578344Sobrien# 36698186Sgordon# procname n Process name to check for instead of $command. 36778344Sobrien# 36878344Sobrien# rcvar n This is checked with checkyesno to determine 36998186Sgordon# if the action should be run. 37078344Sobrien# 37198186Sgordon# ${name}_program n Full path to command. 37298186Sgordon# Meant to be used in /etc/rc.conf to override 37398186Sgordon# ${command}. 37478344Sobrien# 37598186Sgordon# ${name}_chroot n Directory to chroot to before running ${command} 37678344Sobrien# Requires /usr to be mounted. 37778344Sobrien# 37898186Sgordon# ${name}_chdir n Directory to cd to before running ${command} 37998186Sgordon# (if not using ${name}_chroot). 38098186Sgordon# 38198186Sgordon# ${name}_flags n Arguments to call ${command} with. 38278344Sobrien# NOTE: $flags from the parent environment 38398186Sgordon# can be used to override this. 38478344Sobrien# 38598186Sgordon# ${name}_nice n Nice level to run ${command} at. 38698186Sgordon# 38798186Sgordon# ${name}_user n User to run ${command} as, using su(1) if not 38898186Sgordon# using ${name}_chroot. 38978344Sobrien# Requires /usr to be mounted. 39078344Sobrien# 39178344Sobrien# ${name}_group n Group to run chrooted ${command} as. 39278344Sobrien# Requires /usr to be mounted. 39378344Sobrien# 39478344Sobrien# ${name}_groups n Comma separated list of supplementary groups 39578344Sobrien# to run the chrooted ${command} with. 39678344Sobrien# Requires /usr to be mounted. 39778344Sobrien# 39878344Sobrien# ${rc_arg}_cmd n If set, use this as the method when invoked; 39978344Sobrien# Otherwise, use default command (see below) 40078344Sobrien# 40198186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 40298186Sgordon# ${rc_arg}_cmd method in the default 40378344Sobrien# operation (i.e, after checking for required 40498186Sgordon# bits and process (non)existence). 40598186Sgordon# If this completes with a non-zero exit code, 40678344Sobrien# don't run ${rc_arg}_cmd. 40778344Sobrien# 40878344Sobrien# ${rc_arg}_postcmd n If set, run just after performing the 40978344Sobrien# ${rc_arg}_cmd method, if that method 41098186Sgordon# returned a zero exit code. 41178344Sobrien# 41298186Sgordon# required_dirs n If set, check for the existence of the given 41398186Sgordon# directories before running the default 41498186Sgordon# (re)start command. 41598186Sgordon# 41678344Sobrien# required_files n If set, check for the readability of the given 41798186Sgordon# files before running the default (re)start 41898186Sgordon# command. 41978344Sobrien# 42078344Sobrien# required_vars n If set, perform checkyesno on each of the 42178344Sobrien# listed variables before running the default 42278344Sobrien# (re)start command. 42398186Sgordon# 42478344Sobrien# Default behaviour for a given argument, if no override method is 42598186Sgordon# provided: 42698186Sgordon# 42798186Sgordon# Argument Default behaviour 42898186Sgordon# -------- ----------------- 42998186Sgordon# start if !running && checkyesno ${rcvar} 43098186Sgordon# ${command} 43198186Sgordon# 43298186Sgordon# stop if ${pidfile} 43398186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 43498186Sgordon# else 43598186Sgordon# rc_pid=$(check_process $command) 43698186Sgordon# kill $sig_stop $rc_pid 43798186Sgordon# wait_for_pids $rc_pid 43898186Sgordon# ($sig_stop defaults to TERM.) 43998186Sgordon# 44098186Sgordon# reload Similar to stop, except use $sig_reload instead, 44198186Sgordon# and doesn't wait_for_pids. 44298186Sgordon# $sig_reload defaults to HUP. 44398186Sgordon# Note that `reload' isn't provided by default, 44498186Sgordon# it should be enabled via $extra_commands. 44598186Sgordon# 44698186Sgordon# restart Run `stop' then `start'. 44798186Sgordon# 44898186Sgordon# status Show if ${command} is running, etc. 44978344Sobrien# 45078344Sobrien# poll Wait for ${command} to exit. 45198186Sgordon# 45278344Sobrien# rcvar Display what rc.conf variable is used (if any). 45398186Sgordon# 45478344Sobrien# Variables available to methods, and after run_rc_command() has 45578344Sobrien# completed: 45698186Sgordon# 45778344Sobrien# Variable Purpose 45898186Sgordon# -------- ------- 45998186Sgordon# rc_arg Argument to command, after fast/force/one processing 46078344Sobrien# performed 46178344Sobrien# 46298186Sgordon# rc_flags Flags to start the default command with. 46398186Sgordon# Defaults to ${name}_flags, unless overridden 46478344Sobrien# by $flags from the environment. 46578344Sobrien# This variable may be changed by the precmd method. 46678344Sobrien# 46778344Sobrien# rc_pid PID of command (if appropriate) 46878344Sobrien# 46978344Sobrien# rc_fast Not empty if "fast" was provided (q.v.) 47098186Sgordon# 47198186Sgordon# rc_force Not empty if "force" was provided (q.v.) 47298186Sgordon# 47398186Sgordon# 47498186Sgordonrun_rc_command() 47578344Sobrien{ 47698186Sgordon _return=0 47778344Sobrien rc_arg=$1 47898186Sgordon if [ -z "$name" ]; then 47998186Sgordon err 3 'run_rc_command: $name is not set.' 48078344Sobrien fi 48198186Sgordon 48278344Sobrien # Don't repeat the first argument when passing additional command- 48398186Sgordon # line arguments to the command subroutines. 48498186Sgordon # 48598186Sgordon shift 1 48678344Sobrien rc_extra_args="$*" 48778344Sobrien 48898186Sgordon _rc_prefix= 48978344Sobrien case "$rc_arg" in 49078344Sobrien fast*) # "fast" prefix; don't check pid 49178344Sobrien rc_arg=${rc_arg#fast} 49298186Sgordon rc_fast=yes 49378344Sobrien ;; 49478344Sobrien force*) # "force prefix; always run 49578344Sobrien rc_force=yes 49678344Sobrien _rc_prefix=force 49798186Sgordon rc_arg=${rc_arg#${_rc_prefix}} 49878344Sobrien if [ -n "${rcvar}" ]; then 49998186Sgordon eval ${rcvar}=YES 50078344Sobrien fi 50198186Sgordon ;; 50298186Sgordon one*) # "one" prefix; set ${rcvar}=yes 50398186Sgordon _rc_prefix=one 50478344Sobrien rc_arg=${rc_arg#${_rc_prefix}} 50598186Sgordon if [ -n "${rcvar}" ]; then 50698186Sgordon eval ${rcvar}=YES 50798186Sgordon fi 50898186Sgordon ;; 50998186Sgordon esac 51098186Sgordon 51178344Sobrien _keywords="start stop restart rcvar $extra_commands" 51298186Sgordon rc_pid= 51378344Sobrien _pidcmd= 51478344Sobrien _procname=${procname:-${command}} 51578344Sobrien 51698186Sgordon # setup pid check command 51778344Sobrien if [ -n "$_procname" ]; then 51878344Sobrien if [ -n "$pidfile" ]; then 51978344Sobrien _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 52078344Sobrien else 52178344Sobrien _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 52278344Sobrien fi 52378344Sobrien if [ -n "$_pidcmd" ]; then 52478344Sobrien _keywords="${_keywords} status poll" 52598186Sgordon fi 52678344Sobrien fi 52778344Sobrien 52878344Sobrien if [ -z "$rc_arg" ]; then 52978344Sobrien rc_usage $_keywords 53078344Sobrien fi 53178344Sobrien 53298186Sgordon if [ -n "$flags" ]; then # allow override from environment 53398186Sgordon rc_flags=$flags 53478344Sobrien else 53578344Sobrien eval rc_flags=\$${name}_flags 53678344Sobrien fi 53778344Sobrien eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 538109582Smtm _nice=\$${name}_nice _user=\$${name}_user \ 539109582Smtm _group=\$${name}_group _groups=\$${name}_groups 54098186Sgordon 54178344Sobrien if [ -n "$_user" ]; then # unset $_user if running as that user 54278344Sobrien if [ "$_user" = "$(eval $IDCMD)" ]; then 54378344Sobrien unset _user 544109582Smtm fi 545109582Smtm fi 54698186Sgordon 54798186Sgordon # if ${rcvar} is set, and $1 is not 54898186Sgordon # "rcvar", then run 549109582Smtm # checkyesno ${rcvar} 550109582Smtm # and return if that failed 551109582Smtm # 55298186Sgordon if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 55378344Sobrien if ! checkyesno ${rcvar}; then 55478344Sobrien return 0 55578344Sobrien fi 55698186Sgordon fi 55778344Sobrien 55878344Sobrien eval $_pidcmd # determine the pid if necessary 55998186Sgordon 56098186Sgordon for _elem in $_keywords; do 56178344Sobrien if [ "$_elem" != "$rc_arg" ]; then 56278344Sobrien continue 56378344Sobrien fi 56478344Sobrien 56578344Sobrien # if there's a custom ${XXX_cmd}, 56678344Sobrien # run that instead of the default 56778344Sobrien # 56898186Sgordon eval _cmd=\$${rc_arg}_cmd _precmd=\$${rc_arg}_precmd \ 56998186Sgordon _postcmd=\$${rc_arg}_postcmd 57078344Sobrien if [ -n "$_cmd" ]; then 57178344Sobrien # if the precmd failed and force 57278344Sobrien # isn't set, exit 57378344Sobrien # 57498186Sgordon if [ -n "$_precmd" ]; then 57578344Sobrien debug "run_rc_command: evaluating ${_precmd}()." 57678344Sobrien eval $_precmd $rc_extra_args 57778344Sobrien _return=$? 57878344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && 57978344Sobrien return 1 58078344Sobrien fi 58178344Sobrien 58278344Sobrien if [ -n "$_cmd" ]; then 58378344Sobrien debug "run_rc_command: evaluating ${_cmd}()." 58498186Sgordon eval $_cmd $rc_extra_args 58578344Sobrien _return=$? 58678344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && 58778344Sobrien return 1 58878344Sobrien fi 58978344Sobrien 59078344Sobrien if [ -n "$_postcmd" ]; then 59178344Sobrien debug "run_rc_command: evaluating ${_postcmd}()." 59298186Sgordon eval $_postcmd $rc_extra_args 59378344Sobrien _return=$? 59478344Sobrien fi 59578344Sobrien return $_return 59678344Sobrien fi 59778344Sobrien 59878344Sobrien case "$rc_arg" in # default operations... 59978344Sobrien 60098186Sgordon status) 60178344Sobrien if [ -n "$rc_pid" ]; then 60278344Sobrien echo "${name} is running as pid $rc_pid." 60378344Sobrien else 60478344Sobrien echo "${name} is not running." 60578344Sobrien return 1 60678344Sobrien fi 60778344Sobrien ;; 60878344Sobrien 609109582Smtm start) 610109582Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 61198186Sgordon echo 1>&2 "${name} already running? (pid=$rc_pid)." 61278344Sobrien return 1 61378344Sobrien fi 61478344Sobrien 61578344Sobrien if [ ! -x ${_chroot}${command} ]; then 61678344Sobrien warn "run_rc_command: cannot run $command" 61778344Sobrien return 1 61878344Sobrien fi 61978344Sobrien 62078344Sobrien # check for required variables, 62178344Sobrien # directories, and files 62298186Sgordon # 62378344Sobrien for _f in $required_vars; do 62478344Sobrien if ! checkyesno $_f; then 62578344Sobrien warn "\$${_f} is not enabled." 62678344Sobrien if [ -z "$rc_force" ]; then 62798186Sgordon return 1 62898186Sgordon fi 62998186Sgordon fi 63098186Sgordon done 63178344Sobrien for _f in $required_dirs; do 63298186Sgordon if [ ! -d "${_f}/." ]; then 63398186Sgordon warn "${_f} is not a directory." 63498186Sgordon if [ -z "$rc_force" ]; then 63598186Sgordon return 1 63698186Sgordon fi 63798186Sgordon fi 63898186Sgordon done 63998186Sgordon for _f in $required_files; do 64098186Sgordon if [ ! -r "${_f}" ]; then 64198186Sgordon warn "${_f} is not readable." 64298186Sgordon if [ -z "$rc_force" ]; then 643109582Smtm return 1 644109582Smtm fi 64598186Sgordon fi 64678344Sobrien done 64778344Sobrien 64878344Sobrien # if the precmd failed and force 64998186Sgordon # isn't set, exit 65078344Sobrien # 65178344Sobrien if [ -n "${_precmd}" ]; then 65278344Sobrien debug "run_rc_command: evaluating ${_precmd}()." 65378344Sobrien eval $_precmd 65478344Sobrien _return=$? 65578344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && 65678344Sobrien return 1 65778344Sobrien fi 65878344Sobrien 65998186Sgordon # setup the full command to run 66098186Sgordon # 66198186Sgordon echo "Starting ${name}." 66298186Sgordon if [ -n "$_chroot" ]; then 66378344Sobrien _doit="\ 66478344Sobrien${_nice:+nice -n $_nice }\ 66598186Sgordonchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 66698186Sgordon$_chroot $command $rc_flags $command_args" 66798186Sgordon else 66878344Sobrien _doit="\ 66998186Sgordon${_chdir:+cd $_chdir && }\ 67098186Sgordon$command $rc_flags $command_args" 67198186Sgordon if [ -n "$_user" ]; then 67298186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 67398186Sgordon fi 67498186Sgordon if [ -n "$_nice" ]; then 67598186Sgordon if [ -z "$_user" ]; then 67698186Sgordon _doit="sh -c \"$_doit\"" 67798186Sgordon fi 67898186Sgordon _doit="nice -n $_nice $_doit" 67998186Sgordon fi 68098186Sgordon fi 68198186Sgordon 68298186Sgordon # run the full command; 68398186Sgordon # if the cmd failed and force 68498186Sgordon # isn't set, exit 68578344Sobrien # 68678344Sobrien debug "run_rc_command: _doit: $_doit" 68778344Sobrien eval $_doit 68898186Sgordon _return=$? 68978344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 69078344Sobrien 69178344Sobrien # finally, run postcmd 69278344Sobrien # 69378344Sobrien if [ -n "${_postcmd}" ]; then 69478344Sobrien debug "run_rc_command: evaluating ${_postcmd}()." 69578344Sobrien eval $_postcmd 69678344Sobrien fi 69778344Sobrien ;; 69898186Sgordon 69978344Sobrien stop) 70078344Sobrien if [ -z "$rc_pid" ]; then 70198186Sgordon [ -n "$rc_fast" ] && return 0 70298186Sgordon if [ -n "$pidfile" ]; then 70398186Sgordon echo 1>&2 \ 70498186Sgordon "${name} not running? (check $pidfile)." 70598186Sgordon else 70698186Sgordon echo 1>&2 "${name} not running?" 70798186Sgordon fi 70898186Sgordon return 1 70978344Sobrien fi 71078344Sobrien 71178344Sobrien # if the precmd failed and force 71298186Sgordon # isn't set, exit 71378344Sobrien # 71478344Sobrien if [ -n "$_precmd" ]; then 71578344Sobrien eval $_precmd 71678344Sobrien _return=$? 71778344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && 71878344Sobrien return 1 71978344Sobrien fi 72078344Sobrien 72178344Sobrien # send the signal to stop 72278344Sobrien # 72398186Sgordon echo "Stopping ${name}." 72498186Sgordon _doit="kill -${sig_stop:-TERM} $rc_pid" 72598186Sgordon if [ -n "$_user" ]; then 72698186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 72778344Sobrien fi 72878344Sobrien 72998186Sgordon # if the stop cmd failed and force 73098186Sgordon # isn't set, exit 73198186Sgordon # 73298186Sgordon eval $_doit 73398186Sgordon _return=$? 73498186Sgordon [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 73578344Sobrien 73678344Sobrien # wait for the command to exit, 73778344Sobrien # and run postcmd. 73878344Sobrien wait_for_pids $rc_pid 73978344Sobrien if [ -n "$_postcmd" ]; then 74078344Sobrien eval $_postcmd 74178344Sobrien _return=$? 74278344Sobrien fi 74378344Sobrien ;; 74478344Sobrien 74578344Sobrien reload) 74678344Sobrien if [ -z "$rc_pid" ]; then 74778344Sobrien if [ -n "$pidfile" ]; then 74878344Sobrien echo 1>&2 \ 74978344Sobrien "${name} not running? (check $pidfile)." 75078344Sobrien else 75178344Sobrien echo 1>&2 "${name} not running?" 75278344Sobrien fi 75378344Sobrien return 1 75498186Sgordon fi 75578344Sobrien echo "Reloading ${name} config files." 75678344Sobrien if [ -n "$_precmd" ]; then 75778344Sobrien eval $_precmd 75878344Sobrien _return=$? 75978344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && 76078344Sobrien return 1 76178344Sobrien fi 76278344Sobrien _doit="kill -${sig_reload:-HUP} $rc_pid" 76398186Sgordon if [ -n "$_user" ]; then 76498186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 76598186Sgordon fi 76678344Sobrien eval $_doit 76778344Sobrien _return=$? 76878344Sobrien [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 76978344Sobrien if [ -n "$_postcmd" ]; then 77078344Sobrien eval $_postcmd 77178344Sobrien _return=$? 77278344Sobrien fi 77378344Sobrien ;; 77478344Sobrien 77598186Sgordon restart) 77698186Sgordon if [ -n "$_precmd" ]; then 77798186Sgordon eval $_precmd $rc_extra_args 77898186Sgordon _return=$? 77998186Sgordon [ $_return -ne 0 ] && [ -z "$rc_force" ] && 78098186Sgordon return 1 78198186Sgordon fi 78278344Sobrien # prevent restart being called more 78378344Sobrien # than once by any given script 78478344Sobrien # 78578344Sobrien if ${_rc_restart_done:-false}; then 78698186Sgordon return 0 78798186Sgordon fi 78898186Sgordon _rc_restart_done=true 78978344Sobrien 79098186Sgordon # run stop in a subshell to keep variables for start 79198186Sgordon ( run_rc_command ${_rc_prefix}stop $rc_extra_args ) 79298186Sgordon run_rc_command ${_rc_prefix}start $rc_extra_args 79398186Sgordon 79498186Sgordon if [ -n "$_postcmd" ]; then 79598186Sgordon eval $_postcmd $rc_extra_args 79698186Sgordon _return=$? 79798186Sgordon fi 79878344Sobrien ;; 79978344Sobrien 80078344Sobrien poll) 80178344Sobrien if [ -n "$rc_pid" ]; then 80278344Sobrien wait_for_pids $rc_pid 80378344Sobrien fi 80478344Sobrien ;; 80578344Sobrien 80678344Sobrien rcvar) 80778344Sobrien echo "# $name" 80878344Sobrien if [ -n "$rcvar" ]; then 80978344Sobrien if checkyesno ${rcvar}; then 81078344Sobrien echo "\$${rcvar}=YES" 81178344Sobrien else 81278344Sobrien echo "\$${rcvar}=NO" 81398186Sgordon fi 81498186Sgordon fi 81598186Sgordon ;; 81698186Sgordon 81798186Sgordon *) 81898186Sgordon rc_usage $_keywords 81998186Sgordon ;; 82098186Sgordon 82198186Sgordon esac 82298186Sgordon return $_return 82398186Sgordon done 82478344Sobrien 82598186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 82678344Sobrien rc_usage $_keywords 82778344Sobrien # not reached 828101850Sgordon} 829101850Sgordon 830101850Sgordon# 831103018Sgordon# run_rc_script file arg 832101850Sgordon# Start the script `file' with `arg', and correctly handle the 833101850Sgordon# return value from the script. If `file' ends with `.sh', it's 834101850Sgordon# sourced into the current environment. If `file' appears to be 835101850Sgordon# a backup or scratch file, ignore it. Otherwise if it's 836101850Sgordon# executable run as a child process. 837101850Sgordon# 838101850Sgordonrun_rc_script() 839101850Sgordon{ 840101850Sgordon _file=$1 841101850Sgordon _arg=$2 842101850Sgordon if [ -z "$_file" -o -z "$_arg" ]; then 84378344Sobrien err 3 'USAGE: run_rc_script file arg' 84478344Sobrien fi 84578344Sobrien 84678344Sobrien unset name command command_args command_interpreter \ 84778344Sobrien extra_commands pidfile procname \ 84878344Sobrien rcvar required_dirs required_files required_vars 84978344Sobrien eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 85078344Sobrien 85178344Sobrien case "$_file" in 852106643Sgordon /etc/rc.d/*.sh) # run in current shell 85378344Sobrien set $_arg; . $_file 85478344Sobrien ;; 85578344Sobrien *[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip 85678344Sobrien warn "Ignoring scratch file $_file" 85778344Sobrien ;; 85878344Sobrien *) # run in subshell 85978344Sobrien if [ -x $_file ]; then 86078344Sobrien if [ -n "$rc_fast_and_loose" ]; then 86178344Sobrien set $_arg; . $_file 86278344Sobrien else 86378344Sobrien ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 86478344Sobrien trap "echo Script $_file interrupted; exit 1" 2 86578344Sobrien set $_arg; . $_file ) 86678344Sobrien fi 86778344Sobrien fi 86878344Sobrien ;; 86978344Sobrien esac 87078344Sobrien} 87178344Sobrien 872106643Sgordon# 873106643Sgordon# load_rc_config name 874106643Sgordon# Source in the configuration file for a given name. 875106643Sgordon# 87678344Sobrienload_rc_config() 87778344Sobrien{ 87878344Sobrien local _tmp 87978344Sobrien 88078344Sobrien _name=$1 88178344Sobrien if [ -z "$_name" ]; then 88278344Sobrien err 3 'USAGE: load_rc_config name' 88378344Sobrien fi 88478344Sobrien 885106643Sgordon if ${_rc_conf_loaded:-false}; then 886106643Sgordon : 887106643Sgordon else 888106643Sgordon if [ -r /etc/defaults/rc.conf ]; then 88978344Sobrien debug "Sourcing /etc/defaults/rc.conf" 89098186Sgordon . /etc/defaults/rc.conf 89198186Sgordon source_rc_confs 89298186Sgordon elif [ -r /etc/rc.conf ]; then 89398186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 89498186Sgordon . /etc/rc.conf 89598186Sgordon fi 89698186Sgordon _rc_conf_loaded=true 897106643Sgordon fi 898106643Sgordon 899106643Sgordon eval _override_command=\$${name}_program 900106643Sgordon command=${command:+${_override_command:-$command}} 90198186Sgordon 90298186Sgordon if [ -z "${command}" ]; then 90398186Sgordon _tmp=`/bin/realpath $0` 90498186Sgordon prefix=${_tmp%/etc/rc.d/*}/ 905106643Sgordon else 90698186Sgordon prefix=${command%/*bin/*}/ 90798186Sgordon fi 90898186Sgordon if [ "${prefix}" = "/" -o "${prefix}" = "/usr/" ] ; then 90998186Sgordon etcdir="/etc" 91098186Sgordon else 91198186Sgordon etcdir="${prefix}etc" 91298186Sgordon fi 913106700Sgordon 914106700Sgordon # XXX - Deprecated 915106700Sgordon if [ -f /etc/rc.conf.d/${_name} -a ${etcdir} != "/etc" ]; then 916106643Sgordon debug "Sourcing /etc/rc.conf.d/${_name}" 91798186Sgordon warn "Warning: /etc/rc.conf.d/${_name} is deprecated, please use ${etcdir}/rc.conf.d/${_name} instead." 91898186Sgordon if [ -f ${etcdir}/rc.conf.d/${_name} ]; then 91998186Sgordon warn "Warning: Both /etc/rc.conf.d/${_name} and ${etcdir}/rc.conf.d/${_name} exist." 92098186Sgordon fi 92198186Sgordon . /etc/rc.conf.d/${_name} 92298186Sgordon fi 92398186Sgordon 92498186Sgordon if [ -f ${etcdir}/rc.conf.d/${_name} ]; then 92598186Sgordon debug "Sourcing ${etcdir}/rc.conf.d/${_name}" 92698186Sgordon . ${etcdir}/rc.conf.d/${_name} 92798186Sgordon fi 92898186Sgordon 92998186Sgordon # XXX - Deprecated variable name support 93098186Sgordon # 93198186Sgordon case ${OSTYPE} in 93298186Sgordon FreeBSD) 93398186Sgordon [ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable" 93498186Sgordon [ -n "$portmap_program" ] && rpcbind_program="$portmap_program" 93598186Sgordon [ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags" 93698186Sgordon [ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable" 93798186Sgordon [ -n "$xntpd_enable" ] && ntpd_enable="$xntpd_enable" 93898186Sgordon [ -n "$xntpd_program" ] && ntpd_program="$xntpd_program" 93998186Sgordon [ -n "$xntpd_flags" ] && ntpd_flags="$xntpd_flags" 94098186Sgordon [ -n "$dhcp_program" ] && dhclient_program="$dhcp_program" 94198186Sgordon [ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags" 94298186Sgordon ;; 94398186Sgordon esac 94498186Sgordon} 94598186Sgordon 94698186Sgordon# 94798186Sgordon# load_rc_config_var name var 94898186Sgordon# Read the rc.conf(5) var for name and set in the 94998186Sgordon# current shell, using load_rc_config in a subshell to prevent 95098186Sgordon# unwanted side effects from other variable assignments. 95198186Sgordon# 95298186Sgordonload_rc_config_var() 95398186Sgordon{ 95498186Sgordon if [ $# -ne 2 ]; then 95598186Sgordon err 3 'USAGE: load_rc_config_var name var' 95698186Sgordon fi 95798186Sgordon eval $(eval '( 95898186Sgordon load_rc_config '$1' >/dev/null; 95998186Sgordon if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then 96098186Sgordon echo '$2'=\'\''${'$2'}\'\''; 96198186Sgordon fi 96298186Sgordon )' ) 96398186Sgordon} 96498186Sgordon 96598186Sgordon# 96698186Sgordon# rc_usage commands 96798186Sgordon# Print a usage string for $0, with `commands' being a list of 96898186Sgordon# valid commands. 96998186Sgordon# 97098186Sgordonrc_usage() 97198186Sgordon{ 97298186Sgordon echo -n 1>&2 "Usage: $0 [fast|force|one](" 97398186Sgordon 97498186Sgordon _sep= 97598186Sgordon for _elem; do 97698186Sgordon echo -n 1>&2 "$_sep$_elem" 97798186Sgordon _sep="|" 97898186Sgordon done 97998186Sgordon echo 1>&2 ")" 98098186Sgordon exit 1 98198186Sgordon} 98298186Sgordon 98398186Sgordon# 98498186Sgordon# err exitval message 98598186Sgordon# Display message to stderr and log to the syslog, and exit with exitval. 98698186Sgordon# 98798186Sgordonerr() 98898186Sgordon{ 98998186Sgordon exitval=$1 99098186Sgordon shift 99198186Sgordon 99298186Sgordon if [ -x /usr/bin/logger ]; then 99398186Sgordon logger "$0: ERROR: $*" 99498186Sgordon fi 99598186Sgordon echo 1>&2 "$0: ERROR: $*" 99698186Sgordon exit $exitval 99798186Sgordon} 99898186Sgordon 99998186Sgordon# 100098186Sgordon# warn message 100198186Sgordon# Display message to stderr and log to the syslog. 100298186Sgordon# 100398186Sgordonwarn() 100498186Sgordon{ 100598186Sgordon if [ -x /usr/bin/logger ]; then 1006 logger "$0: WARNING: $*" 1007 fi 1008 echo 1>&2 "$0: WARNING: $*" 1009} 1010 1011# 1012# info message 1013# Display informational message to stdout and log to syslog. 1014# 1015info() 1016{ 1017 case ${rc_info} in 1018 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1019 if [ -x /usr/bin/logger ]; then 1020 logger "$0: INFO: $*" 1021 fi 1022 echo "$0: INFO: $*" 1023 ;; 1024 esac 1025} 1026 1027# 1028# debug message 1029# If debugging is enabled in rc.conf output message to stderr. 1030# BEWARE that you don't call any subroutine that itself calls this 1031# function. 1032# 1033debug() 1034{ 1035 case ${rc_debug} in 1036 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 1037 if [ -x /usr/bin/logger ]; then 1038 logger "$0: INFO: $*" 1039 fi 1040 echo 1>&2 "$0: DEBUG: $*" 1041 ;; 1042 esac 1043} 1044 1045# 1046# backup_file action file cur backup 1047# Make a backup copy of `file' into `cur', and save the previous 1048# version of `cur' as `backup' or use rcs for archiving. 1049# 1050# This routine checks the value of the backup_uses_rcs variable, 1051# which can be either YES or NO. 1052# 1053# The `action' keyword can be one of the following: 1054# 1055# add `file' is now being backed up (and is possibly 1056# being reentered into the backups system). `cur' 1057# is created and RCS files, if necessary, are 1058# created as well. 1059# 1060# update `file' has changed and needs to be backed up. 1061# If `cur' exists, it is copied to to `back' or 1062# checked into RCS (if the repository file is old), 1063# and then `file' is copied to `cur'. Another RCS 1064# check in done here if RCS is being used. 1065# 1066# remove `file' is no longer being tracked by the backups 1067# system. If RCS is not being used, `cur' is moved 1068# to `back', otherwise an empty file is checked in, 1069# and then `cur' is removed. 1070# 1071# 1072backup_file() 1073{ 1074 _action=$1 1075 _file=$2 1076 _cur=$3 1077 _back=$4 1078 1079 if checkyesno backup_uses_rcs; then 1080 _msg0="backup archive" 1081 _msg1="update" 1082 1083 # ensure that history file is not locked 1084 if [ -f $_cur,v ]; then 1085 rcs -q -u -U -M $_cur 1086 fi 1087 1088 # ensure after switching to rcs that the 1089 # current backup is not lost 1090 if [ -f $_cur ]; then 1091 # no archive, or current newer than archive 1092 if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 1093 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1094 rcs -q -kb -U $_cur 1095 co -q -f -u $_cur 1096 fi 1097 fi 1098 1099 case $_action in 1100 add|update) 1101 cp -p $_file $_cur 1102 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1103 rcs -q -kb -U $_cur 1104 co -q -f -u $_cur 1105 chown root:wheel $_cur $_cur,v 1106 ;; 1107 remove) 1108 cp /dev/null $_cur 1109 ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 1110 rcs -q -kb -U $_cur 1111 chown root:wheel $_cur $_cur,v 1112 rm $_cur 1113 ;; 1114 esac 1115 else 1116 case $_action in 1117 add|update) 1118 if [ -f $_cur ]; then 1119 cp -p $_cur $_back 1120 fi 1121 cp -p $_file $_cur 1122 chown root:wheel $_cur 1123 ;; 1124 remove) 1125 mv -f $_cur $_back 1126 ;; 1127 esac 1128 fi 1129} 1130 1131# make_symlink src link 1132# Make a symbolic link 'link' to src from basedir. If the 1133# directory in which link is to be created does not exist 1134# a warning will be displayed and an error will be returned. 1135# Returns 0 on sucess, 1 otherwise. 1136# 1137make_symlink() 1138{ 1139 local src link linkdir _me 1140 src="$1" 1141 link="$2" 1142 linkdir="`dirname $link`" 1143 _me="make_symlink()" 1144 1145 if [ -z "$src" -o -z "$link" ]; then 1146 warn "$_me: requires two arguments." 1147 return 1 1148 fi 1149 if [ ! -d "$linkdir" ]; then 1150 warn "$_me: the directory $linkdir does not exist." 1151 return 1 1152 fi 1153 if ! ln -sf $src $link; then 1154 warn "$_me: unable to make a symbolic link from $link to $src" 1155 return 1 1156 fi 1157 return 0 1158} 1159 1160# devfs_rulesets_from_file file 1161# Reads a set of devfs commands from file, and creates 1162# the specified rulesets with their rules. Returns non-zero 1163# if there was an error. 1164# 1165devfs_rulesets_from_file() 1166{ 1167 local file _err _me 1168 file="$1" 1169 _me="devfs_rulesets_from_file" 1170 _err=0 1171 1172 if [ -z "$file" ]; then 1173 warn "$_me: you must specify a file" 1174 return 1 1175 fi 1176 if [ ! -e "$file" ]; then 1177 debug "$_me: no such file ($file)" 1178 return 0 1179 fi 1180 debug "reading rulesets from file ($file)" 1181 { while read line 1182 do 1183 case $line in 1184 \#*) 1185 continue 1186 ;; 1187 \[*\]*) 1188 rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1189 if [ -z "$rulenum" ]; then 1190 warn "$_me: cannot extract rule number ($line)" 1191 _err=1 1192 break 1193 fi 1194 rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1195 if [ -z "$rulename" ]; then 1196 warn "$_me: cannot extract rule name ($line)" 1197 _err=1 1198 break; 1199 fi 1200 eval $rulename=\$rulenum 1201 debug "found ruleset: $rulename=$rulenum" 1202 if ! /sbin/devfs rule -s $rulenum delset; then 1203 _err=1 1204 break 1205 fi 1206 ;; 1207 *) 1208 rulecmd="${line%%"\#*"}" 1209 # evaluate the command incase it includes 1210 # other rules 1211 if [ -n "$rulecmd" ]; then 1212 debug "adding rule ($rulecmd)" 1213 if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1214 then 1215 _err=1 1216 break 1217 fi 1218 fi 1219 ;; 1220 esac 1221 if [ $_err -ne 0 ]; then 1222 debug "error in $_me" 1223 break 1224 fi 1225 done } < $file 1226 return $_err 1227} 1228 1229# devfs_init_rulesets 1230# Initializes rulesets from configuration files. Returns 1231# non-zero if there was an error. 1232# 1233devfs_init_rulesets() 1234{ 1235 local file _me 1236 _me="devfs_init_rulesets" 1237 1238 # Go through this only once 1239 if [ -n "$devfs_rulesets_init" ]; then 1240 debug "$_me: devfs rulesets already initialized" 1241 return 1242 fi 1243 for file in $devfs_rulesets; do 1244 devfs_rulesets_from_file $file || return 1 1245 done 1246 devfs_rulesets_init=1 1247 debug "$_me: devfs rulesets initialized" 1248 return 0 1249} 1250 1251# devfs_set_ruleset ruleset [dir] 1252# Sets the default ruleset of dir to ruleset. The ruleset argument 1253# must be a ruleset name as specified in devfs.rules(5) file. 1254# Returns non-zero if it could not set it successfully. 1255# 1256devfs_set_ruleset() 1257{ 1258 local devdir rs _me 1259 [ -n "$1" ] && eval rs=\$$1 || rs= 1260 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1261 _me="devfs_set_ruleset" 1262 1263 if [ -z "$rs" ]; then 1264 warn "$_me: you must specify a ruleset number" 1265 return 1 1266 fi 1267 debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1268 if ! /sbin/devfs $devdir ruleset $rs; then 1269 warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1270 return 1 1271 fi 1272 return 0 1273} 1274 1275# devfs_apply_ruleset ruleset [dir] 1276# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1277# The ruleset argument must be a ruleset name as specified 1278# in a devfs.rules(5) file. Returns 0 on success or non-zero 1279# if it could not apply the ruleset. 1280# 1281devfs_apply_ruleset() 1282{ 1283 local devdir rs _me 1284 [ -n "$1" ] && eval rs=\$$1 || rs= 1285 [ -n "$2" ] && devdir="-m "$2"" || devdir= 1286 _me="devfs_apply_ruleset" 1287 1288 if [ -z "$rs" ]; then 1289 warn "$_me: you must specify a ruleset" 1290 return 1 1291 fi 1292 debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1293 if ! /sbin/devfs $devdir rule -s $rs applyset; then 1294 warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1295 return 1 1296 fi 1297 return 0 1298} 1299 1300# devfs_domount dir [ruleset] 1301# Mount devfs on dir. If ruleset is specified it is set 1302# on the mount-point. It must also be a ruleset name as specified 1303# in a devfs.rules(5) file. Returns 0 on success. 1304# 1305devfs_domount() 1306{ 1307 local devdir rs _me 1308 devdir="$1" 1309 [ -n "$2" ] && rs=$2 || rs= 1310 _me="devfs_domount()" 1311 1312 if [ -z "$devdir" ]; then 1313 warn "$_me: you must specify a mount-point" 1314 return 1 1315 fi 1316 debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1317 if ! mount -t devfs dev "$devdir"; then 1318 warn "$_me: Unable to mount devfs on $devdir" 1319 return 1 1320 fi 1321 if [ -n "$rs" ]; then 1322 devfs_init_rulesets 1323 devfs_set_ruleset $rs $devdir 1324 devfs -m $devdir rule applyset 1325 fi 1326 return 0 1327} 1328 1329# devfs_mount_jail dir [ruleset] 1330# Mounts a devfs file system appropriate for jails 1331# on the directory dir. If ruleset is specified, the ruleset 1332# it names will be used instead. If present, ruleset must 1333# be the name of a ruleset as defined in a devfs.rules(5) file. 1334# This function returns non-zero if an error occurs. 1335# 1336devfs_mount_jail() 1337{ 1338 local jdev rs _me 1339 jdev="$1" 1340 [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1341 _me="devfs_mount_jail" 1342 1343 devfs_init_rulesets 1344 if ! devfs_domount "$jdev" $rs; then 1345 warn "$_me: devfs was not mounted on $jdev" 1346 return 1 1347 fi 1348 return 0 1349} 1350 1351# Provide a function for normalizing the mounting of memory 1352# filesystems. This should allow the rest of the code here to remain 1353# as close as possible between 5-current and 4-stable. 1354# $1 = size 1355# $2 = mount point 1356# $3 = (optional) extra mdmfs flags 1357mount_md() 1358{ 1359 if [ -n "$3" ]; then 1360 flags="$3" 1361 fi 1362 /sbin/mdmfs $flags -s $1 md $2 1363} 1364 1365# Code common to scripts that need to load a kernel module 1366# if it isn't in the kernel yet. Syntax: 1367# load_kld [-e regex] [-m module] file 1368# where -e or -m chooses the way to check if the module 1369# is already loaded: 1370# regex is egrep'd in the output from `kldstat -v', 1371# module is passed to `kldstat -m'. 1372# The default way is as though `-m file' were specified. 1373load_kld() 1374{ 1375 local _loaded _mod _opt _re 1376 1377 while getopts "e:m:" _opt; do 1378 case "$_opt" in 1379 e) _re="$OPTARG" ;; 1380 m) _mod="$OPTARG" ;; 1381 *) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;; 1382 esac 1383 done 1384 shift $(($OPTIND - 1)) 1385 if [ $# -ne 1 ]; then 1386 err 3 'USAGE: load_kld [-e regex] [-m module] file' 1387 fi 1388 _mod=${_mod:-$1} 1389 _loaded=false 1390 if [ -n "$_re" ]; then 1391 if kldstat -v | egrep -q -e "$_re"; then 1392 _loaded=true 1393 fi 1394 else 1395 if kldstat -q -m "$_mod"; then 1396 _loaded=true 1397 fi 1398 fi 1399 if ! $_loaded; then 1400 if ! kldload "$1"; then 1401 warn "Unable to load kernel module $1" 1402 return 1 1403 else 1404 info "$1 kernel module loaded." 1405 fi 1406 else 1407 debug "load_kld: $1 kernel module already loaded." 1408 fi 1409 return 0 1410} 1411 1412# ltr str src dst 1413# Change every $src in $str to $dst. 1414# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1415# awk(1). 1416ltr() 1417{ 1418 local _str _src _dst _out _com 1419 _str=$1 1420 _src=$2 1421 _dst=$3 1422 _out="" 1423 1424 IFS=${_src} 1425 for _com in ${_str}; do 1426 if [ -z "${_out}" ]; then 1427 _out="${_com}" 1428 else 1429 _out="${_out}${_dst}${_com}" 1430 fi 1431 done 1432 echo "${_out}" 1433} 1434 1435# Creates a list of providers for GELI encryption. 1436geli_make_list() 1437{ 1438 local devices devices2 1439 local provider mountpoint type options rest 1440 1441 # Create list of GELI providers from fstab. 1442 while read provider mountpoint type options rest ; do 1443 case ":${options}" in 1444 :*noauto*) 1445 noauto=yes 1446 ;; 1447 *) 1448 noauto=no 1449 ;; 1450 esac 1451 1452 case ":${provider}" in 1453 :#*) 1454 continue 1455 ;; 1456 *.eli) 1457 # Skip swap devices. 1458 if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then 1459 continue 1460 fi 1461 devices="${devices} ${provider}" 1462 ;; 1463 esac 1464 done < /etc/fstab 1465 1466 # Append providers from geli_devices. 1467 devices="${devices} ${geli_devices}" 1468 1469 for provider in ${devices}; do 1470 provider=${provider%.eli} 1471 provider=${provider#/dev/} 1472 devices2="${devices2} ${provider}" 1473 done 1474 1475 echo ${devices2} 1476} 1477 1478# Find scripts in local_startup directories that use the old syntax 1479# 1480find_local_scripts_old () { 1481 zlist='' 1482 slist='' 1483 for dir in ${local_startup}; do 1484 if [ -d "${dir}" ]; then 1485 for file in ${dir}/[0-9]*.sh; do 1486 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1487 continue 1488 zlist="$zlist $file" 1489 done 1490 for file in ${dir}/[^0-9]*.sh; do 1491 grep '^# PROVIDE:' $file >/dev/null 2>&1 && 1492 continue 1493 slist="$slist $file" 1494 done 1495 fi 1496 done 1497} 1498 1499find_local_scripts_new () { 1500 local_rc='' 1501 for dir in ${local_startup}; do 1502 if [ -d "${dir}" ]; then 1503 for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do 1504 case "$file" in 1505 *.sample) ;; 1506 *) if [ -x "$file" ]; then 1507 local_rc="${local_rc} ${file}" 1508 fi 1509 ;; 1510 esac 1511 done 1512 fi 1513 done 1514} 1515 1516fi 1517 1518_rc_subr_loaded=: 1519