rc.subr revision 151687
1126288Smtm# $NetBSD: rc.subr,v 1.60 2003/07/26 05:13:47 lukem Exp $ 298186Sgordon# $FreeBSD: head/etc/rc.subr 151687 2005-10-26 04:32:31Z yar $ 378344Sobrien# 498186Sgordon# Copyright (c) 1997-2002 The NetBSD Foundation, Inc. 578344Sobrien# All rights reserved. 678344Sobrien# 778344Sobrien# This code is derived from software contributed to The NetBSD Foundation 878344Sobrien# by Luke Mewburn. 978344Sobrien# 1078344Sobrien# Redistribution and use in source and binary forms, with or without 1178344Sobrien# modification, are permitted provided that the following conditions 1278344Sobrien# are met: 1378344Sobrien# 1. Redistributions of source code must retain the above copyright 1478344Sobrien# notice, this list of conditions and the following disclaimer. 1578344Sobrien# 2. Redistributions in binary form must reproduce the above copyright 1678344Sobrien# notice, this list of conditions and the following disclaimer in the 1778344Sobrien# documentation and/or other materials provided with the distribution. 1878344Sobrien# 3. All advertising materials mentioning features or use of this software 1978344Sobrien# must display the following acknowledgement: 2078344Sobrien# This product includes software developed by the NetBSD 2178344Sobrien# Foundation, Inc. and its contributors. 2278344Sobrien# 4. Neither the name of The NetBSD Foundation nor the names of its 2378344Sobrien# contributors may be used to endorse or promote products derived 2478344Sobrien# from this software without specific prior written permission. 2578344Sobrien# 2678344Sobrien# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2778344Sobrien# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2878344Sobrien# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2978344Sobrien# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3078344Sobrien# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3178344Sobrien# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3278344Sobrien# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3378344Sobrien# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3478344Sobrien# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3578344Sobrien# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3678344Sobrien# POSSIBILITY OF SUCH DAMAGE. 3778344Sobrien# 3878344Sobrien# rc.subr 3978344Sobrien# functions used by various rc scripts 4078344Sobrien# 4178344Sobrien 4278344Sobrien# 4398186Sgordon# Operating System dependent/independent variables 4498186Sgordon# 4598186Sgordon 46131550Scpercivaif [ -z "${_rc_subr_loaded}" ]; then 47131550Scperciva 48131550Scperciva_rc_subr_loaded="YES" 49131550Scperciva 5098186SgordonSYSCTL="/sbin/sysctl" 5198186SgordonSYSCTL_N="${SYSCTL} -n" 5298186SgordonCMD_OSTYPE="${SYSCTL_N} kern.ostype" 53103018SgordonOSTYPE=`${CMD_OSTYPE}` 54124832SmtmID="/usr/bin/id" 55124832SmtmIDCMD="if [ -x $ID ]; then $ID -un; fi" 5698186Sgordon 57103018Sgordoncase ${OSTYPE} in 5898186SgordonFreeBSD) 5998186Sgordon SYSCTL_W="${SYSCTL}" 6098186Sgordon ;; 6198186SgordonNetBSD) 6298186Sgordon SYSCTL_W="${SYSCTL} -w" 6398186Sgordon ;; 6498186Sgordonesac 6598186Sgordon 6698186Sgordon# 6778344Sobrien# functions 6878344Sobrien# --------- 6978344Sobrien 7078344Sobrien# 7198186Sgordon# set_rcvar base_var 7298186Sgordon# Set the variable name enabling a specific service. 7398186Sgordon# FreeBSD uses ${service}_enable, while NetBSD uses 7498186Sgordon# just the name of the service. For example: 7598186Sgordon# FreeBSD: sendmail_enable="YES" 7698186Sgordon# NetBSD : sendmail="YES" 7798186Sgordon# $1 - if $name is not the base to work of off, specify 7898186Sgordon# a different one 7998186Sgordon# 8098186Sgordonset_rcvar() 8198186Sgordon{ 8298186Sgordon if [ -z "$1" ]; then 8398186Sgordon base_var=${name} 8498186Sgordon else 8598186Sgordon base_var="$1" 8698186Sgordon fi 8798186Sgordon 88103018Sgordon case ${OSTYPE} in 8998186Sgordon FreeBSD) 9098186Sgordon echo ${base_var}_enable 9198186Sgordon ;; 9298186Sgordon NetBSD) 9398186Sgordon echo ${base_var} 9498186Sgordon ;; 9598186Sgordon *) 9698186Sgordon echo 'XXX' 9798186Sgordon ;; 9898186Sgordon esac 9998186Sgordon} 10098186Sgordon 10198186Sgordon# 10298186Sgordon# force_depend script 10398186Sgordon# Force a service to start. Intended for use by services 10498186Sgordon# to resolve dependency issues. It is assumed the caller 10598186Sgordon# has check to make sure this call is necessary 10698186Sgordon# $1 - filename of script, in /etc/rc.d, to run 10798186Sgordon# 10898186Sgordonforce_depend() 10998186Sgordon{ 11098186Sgordon _depend="$1" 11198186Sgordon 11298186Sgordon info "${name} depends on ${_depend}, which will be forced to start." 113146490Sschweikh if ! /etc/rc.d/${_depend} forcestart; then 11498186Sgordon warn "Unable to force ${_depend}. It may already be running." 11598186Sgordon return 1 11698186Sgordon fi 11798186Sgordon return 0 11898186Sgordon} 11998186Sgordon 12098186Sgordon# 12178344Sobrien# checkyesno var 12278344Sobrien# Test $1 variable, and warn if not set to YES or NO. 12378344Sobrien# Return 0 if it's "yes" (et al), nonzero otherwise. 12478344Sobrien# 12578344Sobriencheckyesno() 12678344Sobrien{ 12778344Sobrien eval _value=\$${1} 12898186Sgordon debug "checkyesno: $1 is set to $_value." 12978344Sobrien case $_value in 13078344Sobrien 13178344Sobrien # "yes", "true", "on", or "1" 13278344Sobrien [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 13378344Sobrien return 0 13478344Sobrien ;; 13578344Sobrien 13678344Sobrien # "no", "false", "off", or "0" 13778344Sobrien [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) 13878344Sobrien return 1 13978344Sobrien ;; 14078344Sobrien *) 141106643Sgordon warn "\$${1} is not set properly - see rc.conf(5)." 14278344Sobrien return 1 14378344Sobrien ;; 14478344Sobrien esac 14578344Sobrien} 14678344Sobrien 14798186Sgordon# reverse_list list 14898186Sgordon# print the list in reverse order 14978344Sobrien# 15098186Sgordonreverse_list() 15198186Sgordon{ 15298186Sgordon _revlist= 153126286Smtm for _revfile; do 15498186Sgordon _revlist="$_revfile $_revlist" 15598186Sgordon done 15698186Sgordon echo $_revlist 15798186Sgordon} 15898186Sgordon 15978344Sobrien# 16098186Sgordon# mount_critical_filesystems type 16198186Sgordon# Go through the list of critical filesystems as provided in 16298186Sgordon# the rc.conf(5) variable $critical_filesystems_${type}, checking 16398186Sgordon# each one to see if it is mounted, and if it is not, mounting it. 16498186Sgordon# 16578344Sobrienmount_critical_filesystems() 16678344Sobrien{ 16798186Sgordon eval _fslist=\$critical_filesystems_${1} 16878344Sobrien for _fs in $_fslist; do 16978344Sobrien mount | ( 170126285Smtm _ismounted=false 17178344Sobrien while read what _on on _type type; do 17278344Sobrien if [ $on = $_fs ]; then 173126285Smtm _ismounted=true 17478344Sobrien fi 17578344Sobrien done 176126285Smtm if $_ismounted; then 177126285Smtm : 178126285Smtm else 17978344Sobrien mount $_fs >/dev/null 2>&1 18078344Sobrien fi 18198186Sgordon ) 18278344Sobrien done 18378344Sobrien} 18478344Sobrien 18578344Sobrien# 18698186Sgordon# check_pidfile pidfile procname [interpreter] 18798186Sgordon# Parses the first line of pidfile for a PID, and ensures 18878344Sobrien# that the process is running and matches procname. 18998186Sgordon# Prints the matching PID upon success, nothing otherwise. 19098186Sgordon# interpreter is optional; see _find_processes() for details. 19178344Sobrien# 19278344Sobriencheck_pidfile() 19378344Sobrien{ 19478344Sobrien _pidfile=$1 19578344Sobrien _procname=$2 19698186Sgordon _interpreter=$3 19778344Sobrien if [ -z "$_pidfile" -o -z "$_procname" ]; then 19898186Sgordon err 3 'USAGE: check_pidfile pidfile procname [interpreter]' 19978344Sobrien fi 20078344Sobrien if [ ! -f $_pidfile ]; then 201131061Smtm debug "pid file ($_pidfile): not readable." 20278344Sobrien return 20378344Sobrien fi 20478344Sobrien read _pid _junk < $_pidfile 20578344Sobrien if [ -z "$_pid" ]; then 206139949Skeramida debug "pid file ($_pidfile): no pid in file." 20778344Sobrien return 20878344Sobrien fi 20998186Sgordon _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" 21078344Sobrien} 21178344Sobrien 21278344Sobrien# 21398186Sgordon# check_process procname [interpreter] 21478344Sobrien# Ensures that a process (or processes) named procname is running. 21598186Sgordon# Prints a list of matching PIDs. 21698186Sgordon# interpreter is optional; see _find_processes() for details. 21778344Sobrien# 21878344Sobriencheck_process() 21978344Sobrien{ 22078344Sobrien _procname=$1 22198186Sgordon _interpreter=$2 22278344Sobrien if [ -z "$_procname" ]; then 22398186Sgordon err 3 'USAGE: check_process procname [interpreter]' 22478344Sobrien fi 22598186Sgordon _find_processes $_procname ${_interpreter:-.} '-ax' 22698186Sgordon} 22798186Sgordon 22898186Sgordon# 22998186Sgordon# _find_processes procname interpreter psargs 23098186Sgordon# Search for procname in the output of ps generated by psargs. 23198186Sgordon# Prints the PIDs of any matching processes, space separated. 23298186Sgordon# 23398186Sgordon# If interpreter == ".", check the following variations of procname 23498186Sgordon# against the first word of each command: 23598186Sgordon# procname 23698186Sgordon# `basename procname` 23798186Sgordon# `basename procname` + ":" 23898186Sgordon# "(" + `basename procname` + ")" 23998186Sgordon# 24098186Sgordon# If interpreter != ".", read the first line of procname, remove the 24198186Sgordon# leading #!, normalise whitespace, append procname, and attempt to 24298186Sgordon# match that against each command, either as is, or with extra words 24398186Sgordon# at the end. 24498186Sgordon# 24598186Sgordon_find_processes() 24698186Sgordon{ 24798186Sgordon if [ $# -ne 3 ]; then 24898186Sgordon err 3 'USAGE: _find_processes procname interpreter psargs' 24998186Sgordon fi 25098186Sgordon _procname=$1 25198186Sgordon _interpreter=$2 25298186Sgordon _psargs=$3 25398186Sgordon 25478344Sobrien _pref= 25598186Sgordon if [ $_interpreter != "." ]; then # an interpreted script 25698186Sgordon read _interp < $_procname # read interpreter name 25798186Sgordon _interp=${_interp#\#!} # strip #! 25898186Sgordon set -- $_interp 25998186Sgordon if [ $_interpreter != $1 ]; then 26098186Sgordon warn "\$command_interpreter $_interpreter != $1" 26178344Sobrien fi 26298186Sgordon _interp="$* $_procname" # cleanup spaces, add _procname 26398186Sgordon _fp_args='_argv' 26498186Sgordon _fp_match='case "$_argv" in 26598186Sgordon ${_interp}|"${_interp} "*)' 26698186Sgordon else # a normal daemon 26798186Sgordon _procnamebn=${_procname##*/} 26898186Sgordon _fp_args='_arg0 _argv' 26998186Sgordon _fp_match='case "$_arg0" in 270151426Sjhb $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")' 27198186Sgordon fi 27298186Sgordon 27398186Sgordon _proccheck=' 274126556Smtm ps 2>/dev/null -o "pid,command" '"$_psargs"' | 27598186Sgordon while read _npid '"$_fp_args"'; do 27698186Sgordon case "$_npid" in 277146490Sschweikh PID) 278146490Sschweikh continue;; 279146490Sschweikh esac; '"$_fp_match"' 280146490Sschweikh echo -n "$_pref$_npid"; 28198186Sgordon _pref=" " 28298186Sgordon ;; 28398186Sgordon esac 28498186Sgordon done' 28598186Sgordon 286114272Smtm# debug "in _find_processes: proccheck is ($_proccheck)." 28798186Sgordon eval $_proccheck 28898186Sgordon} 28998186Sgordon 29098186Sgordon# 29198186Sgordon# wait_for_pids pid [pid ...] 29298186Sgordon# spins until none of the pids exist 29398186Sgordon# 29498186Sgordonwait_for_pids() 29598186Sgordon{ 296126286Smtm _list="$@" 29798186Sgordon if [ -z "$_list" ]; then 29898186Sgordon return 29998186Sgordon fi 30098186Sgordon _prefix= 30198186Sgordon while true; do 30298186Sgordon _nlist=""; 30398186Sgordon for _j in $_list; do 30498186Sgordon if kill -0 $_j 2>/dev/null; then 30598186Sgordon _nlist="${_nlist}${_nlist:+ }$_j" 30698186Sgordon fi 30798186Sgordon done 30898186Sgordon if [ -z "$_nlist" ]; then 30998186Sgordon break 31078344Sobrien fi 31198186Sgordon _list=$_nlist 31298186Sgordon echo -n ${_prefix:-"Waiting for PIDS: "}$_list 31398186Sgordon _prefix=", " 31498186Sgordon sleep 2 31578344Sobrien done 31698186Sgordon if [ -n "$_prefix" ]; then 31798186Sgordon echo "." 31898186Sgordon fi 31978344Sobrien} 32078344Sobrien 32178344Sobrien# 32298186Sgordon# run_rc_command argument 32398186Sgordon# Search for argument in the list of supported commands, which is: 32498186Sgordon# "start stop restart rcvar status poll ${extra_commands}" 32598186Sgordon# If there's a match, run ${argument}_cmd or the default method 32698186Sgordon# (see below). 32778344Sobrien# 32898186Sgordon# If argument has a given prefix, then change the operation as follows: 32998186Sgordon# Prefix Operation 33078344Sobrien# ------ --------- 33198186Sgordon# fast Skip the pid check, and set rc_fast=yes 33298186Sgordon# force Set ${rcvar} to YES, and set rc_force=yes 333126303Smtm# one Set ${rcvar} to YES 33478344Sobrien# 33578344Sobrien# The following globals are used: 33678344Sobrien# 33798186Sgordon# Name Needed Purpose 33898186Sgordon# ---- ------ ------- 33978344Sobrien# name y Name of script. 34078344Sobrien# 34178344Sobrien# command n Full path to command. 34298186Sgordon# Not needed if ${rc_arg}_cmd is set for 34378344Sobrien# each keyword. 34478344Sobrien# 34578344Sobrien# command_args n Optional args/shell directives for command. 34678344Sobrien# 34798186Sgordon# command_interpreter n If not empty, command is interpreted, so 34898186Sgordon# call check_{pidfile,process}() appropriately. 34998186Sgordon# 35078344Sobrien# extra_commands n List of extra commands supported. 35178344Sobrien# 35298186Sgordon# pidfile n If set, use check_pidfile $pidfile $command, 35398186Sgordon# otherwise use check_process $command. 35498186Sgordon# In either case, only check if $command is set. 35578344Sobrien# 35698186Sgordon# procname n Process name to check for instead of $command. 35798186Sgordon# 35878344Sobrien# rcvar n This is checked with checkyesno to determine 35978344Sobrien# if the action should be run. 36078344Sobrien# 36178344Sobrien# ${name}_chroot n Directory to chroot to before running ${command} 36298186Sgordon# Requires /usr to be mounted. 36378344Sobrien# 36478344Sobrien# ${name}_chdir n Directory to cd to before running ${command} 36578344Sobrien# (if not using ${name}_chroot). 36678344Sobrien# 36778344Sobrien# ${name}_flags n Arguments to call ${command} with. 36878344Sobrien# NOTE: $flags from the parent environment 36978344Sobrien# can be used to override this. 37078344Sobrien# 37178344Sobrien# ${name}_nice n Nice level to run ${command} at. 37278344Sobrien# 37378344Sobrien# ${name}_user n User to run ${command} as, using su(1) if not 37478344Sobrien# using ${name}_chroot. 37598186Sgordon# Requires /usr to be mounted. 37678344Sobrien# 37778344Sobrien# ${name}_group n Group to run chrooted ${command} as. 37898186Sgordon# Requires /usr to be mounted. 37978344Sobrien# 38098186Sgordon# ${name}_groups n Comma separated list of supplementary groups 38198186Sgordon# to run the chrooted ${command} with. 38298186Sgordon# Requires /usr to be mounted. 38378344Sobrien# 38498186Sgordon# ${rc_arg}_cmd n If set, use this as the method when invoked; 38578344Sobrien# Otherwise, use default command (see below) 38678344Sobrien# 38798186Sgordon# ${rc_arg}_precmd n If set, run just before performing the 38898186Sgordon# ${rc_arg}_cmd method in the default 38998186Sgordon# operation (i.e, after checking for required 39098186Sgordon# bits and process (non)existence). 39178344Sobrien# If this completes with a non-zero exit code, 39298186Sgordon# don't run ${rc_arg}_cmd. 39378344Sobrien# 39498186Sgordon# ${rc_arg}_postcmd n If set, run just after performing the 39598186Sgordon# ${rc_arg}_cmd method, if that method 39698186Sgordon# returned a zero exit code. 39798186Sgordon# 39878344Sobrien# required_dirs n If set, check for the existence of the given 39978344Sobrien# directories before running the default 40078344Sobrien# (re)start command. 40178344Sobrien# 40278344Sobrien# required_files n If set, check for the readability of the given 40378344Sobrien# files before running the default (re)start 40478344Sobrien# command. 40578344Sobrien# 40678344Sobrien# required_vars n If set, perform checkyesno on each of the 40778344Sobrien# listed variables before running the default 40878344Sobrien# (re)start command. 40978344Sobrien# 41098186Sgordon# Default behaviour for a given argument, if no override method is 41198186Sgordon# provided: 41278344Sobrien# 41398186Sgordon# Argument Default behaviour 41498186Sgordon# -------- ----------------- 41578344Sobrien# start if !running && checkyesno ${rcvar} 41678344Sobrien# ${command} 41778344Sobrien# 41878344Sobrien# stop if ${pidfile} 41998186Sgordon# rc_pid=$(check_pidfile $pidfile $command) 42078344Sobrien# else 42198186Sgordon# rc_pid=$(check_process $command) 42298186Sgordon# kill $sig_stop $rc_pid 42398186Sgordon# wait_for_pids $rc_pid 42498186Sgordon# ($sig_stop defaults to TERM.) 42578344Sobrien# 42698186Sgordon# reload Similar to stop, except use $sig_reload instead, 42798186Sgordon# and doesn't wait_for_pids. 42878344Sobrien# $sig_reload defaults to HUP. 429151685Syar# Note that `reload' isn't provided by default, 430151685Syar# it should be enabled via $extra_commands. 43178344Sobrien# 43278344Sobrien# restart Run `stop' then `start'. 43378344Sobrien# 43498186Sgordon# status Show if ${command} is running, etc. 43578344Sobrien# 43698186Sgordon# poll Wait for ${command} to exit. 43798186Sgordon# 43898186Sgordon# rcvar Display what rc.conf variable is used (if any). 43998186Sgordon# 44098186Sgordon# Variables available to methods, and after run_rc_command() has 44198186Sgordon# completed: 44298186Sgordon# 44398186Sgordon# Variable Purpose 44498186Sgordon# -------- ------- 445126303Smtm# rc_arg Argument to command, after fast/force/one processing 44698186Sgordon# performed 44798186Sgordon# 44898186Sgordon# rc_flags Flags to start the default command with. 44998186Sgordon# Defaults to ${name}_flags, unless overridden 45098186Sgordon# by $flags from the environment. 45198186Sgordon# This variable may be changed by the precmd method. 45298186Sgordon# 45398186Sgordon# rc_pid PID of command (if appropriate) 45498186Sgordon# 45598186Sgordon# rc_fast Not empty if "fast" was provided (q.v.) 45698186Sgordon# 45798186Sgordon# rc_force Not empty if "force" was provided (q.v.) 45898186Sgordon# 45998186Sgordon# 46078344Sobrienrun_rc_command() 46178344Sobrien{ 462116097Smtm _return=0 46398186Sgordon rc_arg=$1 46478344Sobrien if [ -z "$name" ]; then 46598186Sgordon err 3 'run_rc_command: $name is not set.' 46678344Sobrien fi 46778344Sobrien 468132892Smtm # Don't repeat the first argument when passing additional command- 469132892Smtm # line arguments to the command subroutines. 470132892Smtm # 471132892Smtm shift 1 472132892Smtm rc_extra_args="$*" 473132892Smtm 474126303Smtm _rc_prefix= 47598186Sgordon case "$rc_arg" in 47678344Sobrien fast*) # "fast" prefix; don't check pid 47798186Sgordon rc_arg=${rc_arg#fast} 47898186Sgordon rc_fast=yes 47978344Sobrien ;; 480126303Smtm force*) # "force prefix; always run 48198186Sgordon rc_force=yes 482126303Smtm _rc_prefix=force 483126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 48478344Sobrien if [ -n "${rcvar}" ]; then 48578344Sobrien eval ${rcvar}=YES 48678344Sobrien fi 48778344Sobrien ;; 488126303Smtm one*) # "one" prefix; set ${rcvar}=yes 489126303Smtm _rc_prefix=one 490126303Smtm rc_arg=${rc_arg#${_rc_prefix}} 491126303Smtm if [ -n "${rcvar}" ]; then 492126303Smtm eval ${rcvar}=YES 493126303Smtm fi 494126303Smtm ;; 49578344Sobrien esac 49678344Sobrien 49798186Sgordon eval _overide_command=\$${name}_program 498151687Syar command=${command:+${_overide_command:-$command}} 49998186Sgordon 50078344Sobrien _keywords="start stop restart rcvar $extra_commands" 50198186Sgordon rc_pid= 50278344Sobrien _pidcmd= 50398186Sgordon _procname=${procname:-${command}} 50498186Sgordon 505131135Smtm # setup pid check command 506131135Smtm if [ -n "$_procname" ]; then 50778344Sobrien if [ -n "$pidfile" ]; then 50898186Sgordon _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' 50998186Sgordon else 51098186Sgordon _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' 51178344Sobrien fi 51278344Sobrien if [ -n "$_pidcmd" ]; then 51398186Sgordon _keywords="${_keywords} status poll" 51478344Sobrien fi 51578344Sobrien fi 51678344Sobrien 51798186Sgordon if [ -z "$rc_arg" ]; then 518150796Syar rc_usage $_keywords 51978344Sobrien fi 52078344Sobrien 52178344Sobrien if [ -n "$flags" ]; then # allow override from environment 52298186Sgordon rc_flags=$flags 52378344Sobrien else 52498186Sgordon eval rc_flags=\$${name}_flags 52578344Sobrien fi 52698186Sgordon eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ 52798186Sgordon _nice=\$${name}_nice _user=\$${name}_user \ 52898186Sgordon _group=\$${name}_group _groups=\$${name}_groups 52978344Sobrien 53098186Sgordon if [ -n "$_user" ]; then # unset $_user if running as that user 531124832Smtm if [ "$_user" = "$(eval $IDCMD)" ]; then 53298186Sgordon unset _user 53398186Sgordon fi 53498186Sgordon fi 53598186Sgordon 53678344Sobrien # if ${rcvar} is set, and $1 is not 53798186Sgordon # "rcvar", then run 53878344Sobrien # checkyesno ${rcvar} 53978344Sobrien # and return if that failed 54078344Sobrien # 54198186Sgordon if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then 54278344Sobrien if ! checkyesno ${rcvar}; then 54378344Sobrien return 0 54478344Sobrien fi 54578344Sobrien fi 54678344Sobrien 54778344Sobrien eval $_pidcmd # determine the pid if necessary 54878344Sobrien 54978344Sobrien for _elem in $_keywords; do 55098186Sgordon if [ "$_elem" != "$rc_arg" ]; then 55178344Sobrien continue 55278344Sobrien fi 55378344Sobrien 55478344Sobrien # if there's a custom ${XXX_cmd}, 55578344Sobrien # run that instead of the default 55678344Sobrien # 55798186Sgordon eval _cmd=\$${rc_arg}_cmd _precmd=\$${rc_arg}_precmd \ 55898186Sgordon _postcmd=\$${rc_arg}_postcmd 55978344Sobrien if [ -n "$_cmd" ]; then 56078344Sobrien # if the precmd failed and force 56178344Sobrien # isn't set, exit 56278344Sobrien # 563116097Smtm if [ -n "$_precmd" ]; then 564116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 565132892Smtm eval $_precmd $rc_extra_args 566116097Smtm _return=$? 567116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 568116097Smtm return 1 56978344Sobrien fi 57078344Sobrien 571116097Smtm if [ -n "$_cmd" ]; then 572116097Smtm debug "run_rc_command: evaluating ${_cmd}()." 573132892Smtm eval $_cmd $rc_extra_args 574116097Smtm _return=$? 575116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 576116097Smtm return 1 57798186Sgordon fi 578109582Smtm 579116097Smtm if [ -n "$_postcmd" ]; then 580116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 581132892Smtm eval $_postcmd $rc_extra_args 582116097Smtm _return=$? 583116097Smtm fi 584116097Smtm return $_return 58578344Sobrien fi 58678344Sobrien 58798186Sgordon case "$rc_arg" in # default operations... 58878344Sobrien 58978344Sobrien status) 59098186Sgordon if [ -n "$rc_pid" ]; then 59198186Sgordon echo "${name} is running as pid $rc_pid." 59278344Sobrien else 59378344Sobrien echo "${name} is not running." 59478344Sobrien return 1 59578344Sobrien fi 59678344Sobrien ;; 59778344Sobrien 59878344Sobrien start) 599131135Smtm if [ -z "$rc_fast" -a -n "$rc_pid" ]; then 60098186Sgordon echo "${name} already running? (pid=$rc_pid)." 60178344Sobrien exit 1 60278344Sobrien fi 60378344Sobrien 604126287Smtm if [ ! -x ${_chroot}${command} ]; then 60598186Sgordon info "run_rc_command: cannot run ($command)." 60678344Sobrien return 0 60778344Sobrien fi 60878344Sobrien 60978344Sobrien # check for required variables, 61078344Sobrien # directories, and files 61178344Sobrien # 61278344Sobrien for _f in $required_vars; do 61378344Sobrien if ! checkyesno $_f; then 61478344Sobrien warn "\$${_f} is not set." 61598186Sgordon if [ -z "$rc_force" ]; then 61678344Sobrien return 1 61778344Sobrien fi 61878344Sobrien fi 61978344Sobrien done 62078344Sobrien for _f in $required_dirs; do 62178344Sobrien if [ ! -d "${_f}/." ]; then 62278344Sobrien warn "${_f} is not a directory." 62398186Sgordon if [ -z "$rc_force" ]; then 62478344Sobrien return 1 62578344Sobrien fi 62678344Sobrien fi 62778344Sobrien done 62878344Sobrien for _f in $required_files; do 62978344Sobrien if [ ! -r "${_f}" ]; then 63078344Sobrien warn "${_f} is not readable." 63198186Sgordon if [ -z "$rc_force" ]; then 63278344Sobrien return 1 63378344Sobrien fi 63478344Sobrien fi 63578344Sobrien done 63678344Sobrien 63778344Sobrien # if the precmd failed and force 63878344Sobrien # isn't set, exit 63978344Sobrien # 640116097Smtm if [ -n "${_precmd}" ]; then 641116097Smtm debug "run_rc_command: evaluating ${_precmd}()." 642116097Smtm eval $_precmd 643116097Smtm _return=$? 644116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 645116097Smtm return 1 64678344Sobrien fi 64778344Sobrien 64878344Sobrien # setup the command to run, and run it 64978344Sobrien # 65078344Sobrien echo "Starting ${name}." 65178344Sobrien if [ -n "$_chroot" ]; then 65278344Sobrien _doit="\ 65378344Sobrien${_nice:+nice -n $_nice }\ 65478344Sobrienchroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ 65598186Sgordon$_chroot $command $rc_flags $command_args" 65678344Sobrien else 65778344Sobrien _doit="\ 65878344Sobrien${_chdir:+cd $_chdir; }\ 65978344Sobrien${_nice:+nice -n $_nice }\ 66098186Sgordon$command $rc_flags $command_args" 66198186Sgordon if [ -n "$_user" ]; then 66298186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 66398186Sgordon fi 66478344Sobrien fi 66598186Sgordon 66698186Sgordon # if the cmd failed and force 66798186Sgordon # isn't set, exit 66898186Sgordon # 66998186Sgordon debug "run_rc_command: _doit: $_doit" 670116097Smtm eval $_doit 671116097Smtm _return=$? 672116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 67398186Sgordon 67498186Sgordon # finally, run postcmd 67598186Sgordon # 676116097Smtm if [ -n "${_postcmd}" ]; then 677116097Smtm debug "run_rc_command: evaluating ${_postcmd}()." 678116097Smtm eval $_postcmd 679116097Smtm fi 68078344Sobrien ;; 68178344Sobrien 68278344Sobrien stop) 68398186Sgordon if [ -z "$rc_pid" ]; then 684131135Smtm [ -n "$rc_fast" ] && exit 0 68578344Sobrien if [ -n "$pidfile" ]; then 68678344Sobrien echo \ 68778344Sobrien "${name} not running? (check $pidfile)." 68878344Sobrien else 68978344Sobrien echo "${name} not running?" 69078344Sobrien fi 69178344Sobrien exit 1 69278344Sobrien fi 69378344Sobrien 69498186Sgordon # if the precmd failed and force 69598186Sgordon # isn't set, exit 69698186Sgordon # 697117977Smtm if [ -n "$_precmd" ]; then 698116097Smtm eval $_precmd 699116097Smtm _return=$? 700116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 701116097Smtm return 1 70278344Sobrien fi 70398186Sgordon 70498186Sgordon # send the signal to stop 70598186Sgordon # 70678344Sobrien echo "Stopping ${name}." 70798186Sgordon _doit="kill -${sig_stop:-TERM} $rc_pid" 70898186Sgordon if [ -n "$_user" ]; then 70998186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 71098186Sgordon fi 71198186Sgordon 71298186Sgordon # if the stop cmd failed and force 71398186Sgordon # isn't set, exit 71498186Sgordon # 715116097Smtm eval $_doit 716116097Smtm _return=$? 717116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 71898186Sgordon 71998186Sgordon # wait for the command to exit, 72098186Sgordon # and run postcmd. 72198186Sgordon wait_for_pids $rc_pid 722116097Smtm if [ -n "$_postcmd" ]; then 723116097Smtm eval $_postcmd 724116097Smtm _return=$? 725116097Smtm fi 72678344Sobrien ;; 72778344Sobrien 72878344Sobrien reload) 72998186Sgordon if [ -z "$rc_pid" ]; then 73078344Sobrien if [ -n "$pidfile" ]; then 73178344Sobrien echo \ 73278344Sobrien "${name} not running? (check $pidfile)." 73378344Sobrien else 73478344Sobrien echo "${name} not running?" 73578344Sobrien fi 73678344Sobrien exit 1 73778344Sobrien fi 73878344Sobrien echo "Reloading ${name} config files." 739116097Smtm if [ -n "$_precmd" ]; then 740116097Smtm eval $_precmd 741116097Smtm _return=$? 742116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 743116097Smtm return 1 74478344Sobrien fi 74598186Sgordon _doit="kill -${sig_reload:-HUP} $rc_pid" 74698186Sgordon if [ -n "$_user" ]; then 74798186Sgordon _doit="su -m $_user -c 'sh -c \"$_doit\"'" 74898186Sgordon fi 749116097Smtm eval $_doit 750116097Smtm _return=$? 751116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1 752116097Smtm if [ -n "$_postcmd" ]; then 753116097Smtm eval $_postcmd 754116097Smtm _return=$? 75598186Sgordon fi 75678344Sobrien ;; 75778344Sobrien 75878344Sobrien restart) 759116097Smtm if [ -n "$_precmd" ]; then 760132892Smtm eval $_precmd $rc_extra_args 761116097Smtm _return=$? 762116097Smtm [ $_return -ne 0 ] && [ -z "$rc_force" ] && 763116097Smtm return 1 76478344Sobrien fi 76578344Sobrien # prevent restart being called more 76678344Sobrien # than once by any given script 76778344Sobrien # 768126285Smtm if ${_rc_restart_done:-false}; then 76978344Sobrien return 0 77078344Sobrien fi 771126285Smtm _rc_restart_done=true 77278344Sobrien 773132892Smtm ( $0 ${_rc_prefix}stop $rc_extra_args ) 774132892Smtm $0 ${_rc_prefix}start $rc_extra_args 77598186Sgordon 776116097Smtm if [ -n "$_postcmd" ]; then 777132892Smtm eval $_postcmd $rc_extra_args 778116097Smtm _return=$? 779116097Smtm fi 78078344Sobrien ;; 78178344Sobrien 78298186Sgordon poll) 78398186Sgordon if [ -n "$rc_pid" ]; then 78498186Sgordon wait_for_pids $rc_pid 78598186Sgordon fi 78698186Sgordon ;; 78798186Sgordon 78878344Sobrien rcvar) 78978344Sobrien echo "# $name" 79078344Sobrien if [ -n "$rcvar" ]; then 79178344Sobrien if checkyesno ${rcvar}; then 79278344Sobrien echo "\$${rcvar}=YES" 79378344Sobrien else 79478344Sobrien echo "\$${rcvar}=NO" 79578344Sobrien fi 79678344Sobrien fi 79778344Sobrien ;; 79878344Sobrien 79978344Sobrien *) 800150796Syar rc_usage $_keywords 80178344Sobrien ;; 80278344Sobrien 80378344Sobrien esac 804116097Smtm return $_return 80578344Sobrien done 80678344Sobrien 80798186Sgordon echo 1>&2 "$0: unknown directive '$rc_arg'." 808150796Syar rc_usage $_keywords 80978344Sobrien exit 1 81078344Sobrien} 81178344Sobrien 81278344Sobrien# 81378344Sobrien# run_rc_script file arg 81478344Sobrien# Start the script `file' with `arg', and correctly handle the 81578344Sobrien# return value from the script. If `file' ends with `.sh', it's 81698186Sgordon# sourced into the current environment. If `file' appears to be 81798186Sgordon# a backup or scratch file, ignore it. Otherwise if it's 81898186Sgordon# executable run as a child process. 81978344Sobrien# 82078344Sobrienrun_rc_script() 82178344Sobrien{ 82278344Sobrien _file=$1 82378344Sobrien _arg=$2 82478344Sobrien if [ -z "$_file" -o -z "$_arg" ]; then 82578344Sobrien err 3 'USAGE: run_rc_script file arg' 82678344Sobrien fi 82778344Sobrien 82898186Sgordon unset name command command_args command_interpreter \ 82998186Sgordon extra_commands pidfile procname \ 83098186Sgordon rcvar required_dirs required_files required_vars 83198186Sgordon eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd 83298186Sgordon 83378344Sobrien case "$_file" in 83478344Sobrien *.sh) # run in current shell 835146490Sschweikh set $_arg; . $_file 83678344Sobrien ;; 837126288Smtm *[~#]|*.OLD|*.orig|*,v) # scratch file; skip 83898186Sgordon warn "Ignoring scratch file $_file" 83998186Sgordon ;; 84078344Sobrien *) # run in subshell 84198186Sgordon if [ -x $_file ]; then 84298186Sgordon if [ -n "$rc_fast_and_loose" ]; then 843146490Sschweikh set $_arg; . $_file 84498186Sgordon else 845130161Smtm ( trap "echo Script $_file interrupted; kill -QUIT $$" 3 846130161Smtm trap "echo Script $_file interrupted; exit 1" 2 847146490Sschweikh set $_arg; . $_file ) 84898186Sgordon fi 84998186Sgordon fi 85078344Sobrien ;; 85178344Sobrien esac 85278344Sobrien} 85378344Sobrien 85478344Sobrien# 85578344Sobrien# load_rc_config 85678344Sobrien# Source in the configuration file for a given command. 85778344Sobrien# 85878344Sobrienload_rc_config() 85978344Sobrien{ 86078344Sobrien _command=$1 86178344Sobrien if [ -z "$_command" ]; then 86278344Sobrien err 3 'USAGE: load_rc_config command' 86378344Sobrien fi 86478344Sobrien 865126285Smtm if ${_rc_conf_loaded:-false}; then 866126285Smtm : 867126285Smtm else 86898186Sgordon if [ -r /etc/defaults/rc.conf ]; then 86998186Sgordon debug "Sourcing /etc/defaults/rc.conf" 87098186Sgordon . /etc/defaults/rc.conf 87198186Sgordon source_rc_confs 87298186Sgordon elif [ -r /etc/rc.conf ]; then 87398186Sgordon debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." 87498186Sgordon . /etc/rc.conf 87598186Sgordon fi 876126285Smtm _rc_conf_loaded=true 87798186Sgordon fi 87878344Sobrien if [ -f /etc/rc.conf.d/"$_command" ]; then 87998186Sgordon debug "Sourcing /etc/rc.conf.d/${_command}" 88078344Sobrien . /etc/rc.conf.d/"$_command" 88178344Sobrien fi 882101850Sgordon 883101850Sgordon # XXX - Deprecated variable name support 884101850Sgordon # 885103018Sgordon case ${OSTYPE} in 886101850Sgordon FreeBSD) 887146490Sschweikh [ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable" 888146490Sschweikh [ -n "$portmap_program" ] && rpcbind_program="$portmap_program" 889146490Sschweikh [ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags" 890146490Sschweikh [ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable" 891146490Sschweikh [ -n "$xntpd_enable" ] && ntpd_enable="$xntpd_enable" 892146490Sschweikh [ -n "$xntpd_program" ] && ntpd_program="$xntpd_program" 893146490Sschweikh [ -n "$xntpd_flags" ] && ntpd_flags="$xntpd_flags" 894115950Smtm [ -n "$dhcp_program" ] && dhclient_program="$dhcp_program" 895115950Smtm [ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags" 896146490Sschweikh ;; 897101850Sgordon esac 89878344Sobrien} 89978344Sobrien 90078344Sobrien# 90178344Sobrien# rc_usage commands 90278344Sobrien# Print a usage string for $0, with `commands' being a list of 90378344Sobrien# valid commands. 90478344Sobrien# 90578344Sobrienrc_usage() 90678344Sobrien{ 907126303Smtm echo -n 1>&2 "Usage: $0 [fast|force|one](" 90878344Sobrien 90978344Sobrien _sep= 910126286Smtm for _elem; do 91178344Sobrien echo -n 1>&2 "$_sep$_elem" 91278344Sobrien _sep="|" 91378344Sobrien done 91478344Sobrien echo 1>&2 ")" 91578344Sobrien exit 1 91678344Sobrien} 91778344Sobrien 91878344Sobrien# 91978344Sobrien# err exitval message 92078344Sobrien# Display message to stderr and log to the syslog, and exit with exitval. 92178344Sobrien# 92278344Sobrienerr() 92378344Sobrien{ 92478344Sobrien exitval=$1 92578344Sobrien shift 92678344Sobrien 927106643Sgordon if [ -x /usr/bin/logger ]; then 928106643Sgordon logger "$0: ERROR: $*" 929106643Sgordon fi 930106643Sgordon echo 1>&2 "$0: ERROR: $*" 93178344Sobrien exit $exitval 93278344Sobrien} 93378344Sobrien 93478344Sobrien# 93578344Sobrien# warn message 93678344Sobrien# Display message to stderr and log to the syslog. 93778344Sobrien# 93878344Sobrienwarn() 93978344Sobrien{ 940106643Sgordon if [ -x /usr/bin/logger ]; then 941106643Sgordon logger "$0: WARNING: $*" 942106643Sgordon fi 943106643Sgordon echo 1>&2 "$0: WARNING: $*" 94478344Sobrien} 94598186Sgordon 94698186Sgordon# 94798186Sgordon# info message 94898186Sgordon# Display informational message to stdout and log to syslog. 94998186Sgordon# 95098186Sgordoninfo() 95198186Sgordon{ 952119170Smtm case ${rc_info} in 953119170Smtm [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 954119170Smtm if [ -x /usr/bin/logger ]; then 955119170Smtm logger "$0: INFO: $*" 956119170Smtm fi 957119170Smtm echo "$0: INFO: $*" 958119170Smtm ;; 959119170Smtm esac 96098186Sgordon} 96198186Sgordon 96298186Sgordon# 96398186Sgordon# debug message 964106643Sgordon# If debugging is enabled in rc.conf output message to stderr. 96598186Sgordon# BEWARE that you don't call any subroutine that itself calls this 96698186Sgordon# function. 96798186Sgordon# 96898186Sgordondebug() 96998186Sgordon{ 97098186Sgordon case ${rc_debug} in 97198186Sgordon [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 972106700Sgordon if [ -x /usr/bin/logger ]; then 973106700Sgordon logger "$0: INFO: $*" 974106700Sgordon fi 975146490Sschweikh echo 1>&2 "$0: DEBUG: $*" 97698186Sgordon ;; 97798186Sgordon esac 97898186Sgordon} 97998186Sgordon 98098186Sgordon# 98198186Sgordon# backup_file action file cur backup 98298186Sgordon# Make a backup copy of `file' into `cur', and save the previous 98398186Sgordon# version of `cur' as `backup' or use rcs for archiving. 98498186Sgordon# 98598186Sgordon# This routine checks the value of the backup_uses_rcs variable, 98698186Sgordon# which can be either YES or NO. 98798186Sgordon# 98898186Sgordon# The `action' keyword can be one of the following: 98998186Sgordon# 99098186Sgordon# add `file' is now being backed up (and is possibly 99198186Sgordon# being reentered into the backups system). `cur' 99298186Sgordon# is created and RCS files, if necessary, are 99398186Sgordon# created as well. 99498186Sgordon# 99598186Sgordon# update `file' has changed and needs to be backed up. 99698186Sgordon# If `cur' exists, it is copied to to `back' or 99798186Sgordon# checked into RCS (if the repository file is old), 99898186Sgordon# and then `file' is copied to `cur'. Another RCS 99998186Sgordon# check in done here if RCS is being used. 100098186Sgordon# 100198186Sgordon# remove `file' is no longer being tracked by the backups 100298186Sgordon# system. If RCS is not being used, `cur' is moved 100398186Sgordon# to `back', otherwise an empty file is checked in, 100498186Sgordon# and then `cur' is removed. 100598186Sgordon# 100698186Sgordon# 100798186Sgordonbackup_file() 100898186Sgordon{ 100998186Sgordon _action=$1 101098186Sgordon _file=$2 101198186Sgordon _cur=$3 101298186Sgordon _back=$4 101398186Sgordon 101498186Sgordon if checkyesno backup_uses_rcs; then 101598186Sgordon _msg0="backup archive" 101698186Sgordon _msg1="update" 101798186Sgordon 101898186Sgordon # ensure that history file is not locked 101998186Sgordon if [ -f $_cur,v ]; then 102098186Sgordon rcs -q -u -U -M $_cur 102198186Sgordon fi 102298186Sgordon 102398186Sgordon # ensure after switching to rcs that the 102498186Sgordon # current backup is not lost 102598186Sgordon if [ -f $_cur ]; then 102698186Sgordon # no archive, or current newer than archive 102798186Sgordon if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then 102898186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 102998186Sgordon rcs -q -kb -U $_cur 103098186Sgordon co -q -f -u $_cur 103198186Sgordon fi 103298186Sgordon fi 103398186Sgordon 103498186Sgordon case $_action in 103598186Sgordon add|update) 103698186Sgordon cp -p $_file $_cur 103798186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 103898186Sgordon rcs -q -kb -U $_cur 103998186Sgordon co -q -f -u $_cur 104098186Sgordon chown root:wheel $_cur $_cur,v 104198186Sgordon ;; 104298186Sgordon remove) 104398186Sgordon cp /dev/null $_cur 104498186Sgordon ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur 104598186Sgordon rcs -q -kb -U $_cur 104698186Sgordon chown root:wheel $_cur $_cur,v 104798186Sgordon rm $_cur 104898186Sgordon ;; 104998186Sgordon esac 105098186Sgordon else 105198186Sgordon case $_action in 105298186Sgordon add|update) 105398186Sgordon if [ -f $_cur ]; then 105498186Sgordon cp -p $_cur $_back 105598186Sgordon fi 105698186Sgordon cp -p $_file $_cur 105798186Sgordon chown root:wheel $_cur 105898186Sgordon ;; 105998186Sgordon remove) 106098186Sgordon mv -f $_cur $_back 106198186Sgordon ;; 106298186Sgordon esac 106398186Sgordon fi 106498186Sgordon} 1065119166Smtm 1066123344Smtm# make_symlink src link 1067123344Smtm# Make a symbolic link 'link' to src from basedir. If the 1068123344Smtm# directory in which link is to be created does not exist 1069123344Smtm# a warning will be displayed and an error will be returned. 1070123344Smtm# Returns 0 on sucess, 1 otherwise. 1071119166Smtm# 1072123344Smtmmake_symlink() 1073119166Smtm{ 1074123344Smtm local src link linkdir _me 1075123344Smtm src="$1" 1076123344Smtm link="$2" 1077123344Smtm linkdir="`dirname $link`" 1078123344Smtm _me="make_symlink()" 1079119166Smtm 1080123344Smtm if [ -z "$src" -o -z "$link" ]; then 1081123344Smtm warn "$_me: requires two arguments." 1082119166Smtm return 1 1083119166Smtm fi 1084123344Smtm if [ ! -d "$linkdir" ]; then 1085123344Smtm warn "$_me: the directory $linkdir does not exist" 1086119166Smtm return 1 1087119166Smtm fi 1088146490Sschweikh if ! ln -sf $src $link; then 1089123344Smtm warn "$_me: unable to make a symbolic link from $link to $src" 1090119166Smtm return 1 1091119166Smtm fi 1092119166Smtm return 0 1093119166Smtm} 1094119166Smtm 1095119166Smtm# devfs_rulesets_from_file file 1096119166Smtm# Reads a set of devfs commands from file, and creates 1097119166Smtm# the specified rulesets with their rules. Returns non-zero 1098119166Smtm# if there was an error. 1099119166Smtm# 1100119166Smtmdevfs_rulesets_from_file() 1101119166Smtm{ 1102119166Smtm local file _err _me 1103119166Smtm file="$1" 1104119166Smtm _me="devfs_rulesets_from_file" 1105119166Smtm _err=0 1106119166Smtm 1107119166Smtm if [ -z "$file" ]; then 1108119166Smtm warn "$_me: you must specify a file" 1109119166Smtm return 1 1110119166Smtm fi 1111119166Smtm if [ ! -e "$file" ]; then 1112119166Smtm debug "$_me: no such file ($file)" 1113119166Smtm return 0 1114119166Smtm fi 1115119166Smtm debug "reading rulesets from file ($file)" 1116119166Smtm { while read line 1117119166Smtm do 1118119166Smtm case $line in 1119119166Smtm \#*) 1120119166Smtm continue 1121119166Smtm ;; 1122119166Smtm \[*\]*) 1123119166Smtm rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"` 1124119166Smtm if [ -z "$rulenum" ]; then 1125119166Smtm warn "$_me: cannot extract rule number ($line)" 1126119166Smtm _err=1 1127119166Smtm break 1128119166Smtm fi 1129119166Smtm rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"` 1130119166Smtm if [ -z "$rulename" ]; then 1131119166Smtm warn "$_me: cannot extract rule name ($line)" 1132119166Smtm _err=1 1133119166Smtm break; 1134119166Smtm fi 1135119166Smtm eval $rulename=\$rulenum 1136119166Smtm debug "found ruleset: $rulename=$rulenum" 1137146490Sschweikh if ! /sbin/devfs rule -s $rulenum delset; then 1138119166Smtm _err=1 1139119166Smtm break 1140119166Smtm fi 1141119166Smtm ;; 1142119166Smtm *) 1143119166Smtm rulecmd="${line%%"\#*"}" 1144119166Smtm # evaluate the command incase it includes 1145119166Smtm # other rules 1146119166Smtm if [ -n "$rulecmd" ]; then 1147119166Smtm debug "adding rule ($rulecmd)" 1148119166Smtm if ! eval /sbin/devfs rule -s $rulenum $rulecmd 1149119166Smtm then 1150119166Smtm _err=1 1151119166Smtm break 1152119166Smtm fi 1153119166Smtm fi 1154119166Smtm ;; 1155119166Smtm esac 1156119166Smtm if [ $_err -ne 0 ]; then 1157119166Smtm debug "error in $_me" 1158119166Smtm break 1159119166Smtm fi 1160119166Smtm done } < $file 1161119166Smtm return $_err 1162119166Smtm} 1163119166Smtm 1164119166Smtm# devfs_init_rulesets 1165119166Smtm# Initializes rulesets from configuration files. Returns 1166119166Smtm# non-zero if there was an error. 1167119166Smtm# 1168119166Smtmdevfs_init_rulesets() 1169119166Smtm{ 1170119166Smtm local file _me 1171119166Smtm _me="devfs_init_rulesets" 1172119166Smtm 1173119166Smtm # Go through this only once 1174119166Smtm if [ -n "$devfs_rulesets_init" ]; then 1175119166Smtm debug "$_me: devfs rulesets already initialized" 1176119166Smtm return 1177119166Smtm fi 1178146490Sschweikh for file in $devfs_rulesets; do 1179119166Smtm devfs_rulesets_from_file $file || return 1 1180119166Smtm done 1181119166Smtm devfs_rulesets_init=1 1182119166Smtm debug "$_me: devfs rulesets initialized" 1183119166Smtm return 0 1184119166Smtm} 1185119166Smtm 1186119166Smtm# devfs_set_ruleset ruleset [dir] 1187151619Smaxim# Sets the default ruleset of dir to ruleset. The ruleset argument 1188119166Smtm# must be a ruleset name as specified in devfs.rules(5) file. 1189119166Smtm# Returns non-zero if it could not set it successfully. 1190119166Smtm# 1191119166Smtmdevfs_set_ruleset() 1192119166Smtm{ 1193119166Smtm local devdir rs _me 1194119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1195119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1196119166Smtm _me="devfs_set_ruleset" 1197119166Smtm 1198119166Smtm if [ -z "$rs" ]; then 1199119166Smtm warn "$_me: you must specify a ruleset number" 1200119166Smtm return 1 1201119166Smtm fi 1202119166Smtm debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })" 1203146490Sschweikh if ! /sbin/devfs $devdir ruleset $rs; then 1204119166Smtm warn "$_me: unable to set ruleset $rs to ${devdir#-m }" 1205119166Smtm return 1 1206119166Smtm fi 1207119166Smtm return 0 1208119166Smtm} 1209119166Smtm 1210119166Smtm# devfs_apply_ruleset ruleset [dir] 1211119166Smtm# Apply ruleset number $ruleset to the devfs mountpoint $dir. 1212119166Smtm# The ruleset argument must be a ruleset name as specified 1213119166Smtm# in a devfs.rules(5) file. Returns 0 on success or non-zero 1214119166Smtm# if it could not apply the ruleset. 1215119166Smtm# 1216119166Smtmdevfs_apply_ruleset() 1217119166Smtm{ 1218119166Smtm local devdir rs _me 1219119166Smtm [ -n "$1" ] && eval rs=\$$1 || rs= 1220119166Smtm [ -n "$2" ] && devdir="-m "$2"" || devdir= 1221119166Smtm _me="devfs_apply_ruleset" 1222119166Smtm 1223119166Smtm if [ -z "$rs" ]; then 1224119166Smtm warn "$_me: you must specify a ruleset" 1225119166Smtm return 1 1226119166Smtm fi 1227119166Smtm debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })" 1228146490Sschweikh if ! /sbin/devfs $devdir rule -s $rs applyset; then 1229119166Smtm warn "$_me: unable to apply ruleset $rs to ${devdir#-m }" 1230119166Smtm return 1 1231119166Smtm fi 1232119166Smtm return 0 1233119166Smtm} 1234119166Smtm 1235119166Smtm# devfs_domount dir [ruleset] 1236119166Smtm# Mount devfs on dir. If ruleset is specified it is set 1237119166Smtm# on the mount-point. It must also be a ruleset name as specified 1238119166Smtm# in a devfs.rules(5) file. Returns 0 on success. 1239119166Smtm# 1240119166Smtmdevfs_domount() 1241119166Smtm{ 1242119166Smtm local devdir rs _me 1243119166Smtm devdir="$1" 1244119166Smtm [ -n "$2" ] && rs=$2 || rs= 1245119166Smtm _me="devfs_domount()" 1246119166Smtm 1247119166Smtm if [ -z "$devdir" ]; then 1248119166Smtm warn "$_me: you must specify a mount-point" 1249119166Smtm return 1 1250119166Smtm fi 1251119166Smtm debug "$_me: mount-point is ($devdir), ruleset is ($rs)" 1252146490Sschweikh if ! mount -t devfs dev "$devdir"; then 1253119166Smtm warn "$_me: Unable to mount devfs on $devdir" 1254119166Smtm return 1 1255119166Smtm fi 1256119166Smtm if [ -n "$rs" ]; then 1257119166Smtm devfs_init_rulesets 1258119166Smtm devfs_set_ruleset $rs $devdir 1259124797Scperciva devfs -m $devdir rule applyset 1260119166Smtm fi 1261119166Smtm return 0 1262119166Smtm} 1263119166Smtm 1264119166Smtm# devfs_mount_jail dir [ruleset] 1265119166Smtm# Mounts a devfs file system appropriate for jails 1266119166Smtm# on the directory dir. If ruleset is specified, the ruleset 1267119166Smtm# it names will be used instead. If present, ruleset must 1268119166Smtm# be the name of a ruleset as defined in a devfs.rules(5) file. 1269119166Smtm# This function returns non-zero if an error occurs. 1270119166Smtm# 1271119166Smtmdevfs_mount_jail() 1272119166Smtm{ 1273119166Smtm local jdev rs _me 1274119166Smtm jdev="$1" 1275119166Smtm [ -n "$2" ] && rs=$2 || rs="devfsrules_jail" 1276119166Smtm _me="devfs_mount_jail" 1277119166Smtm 1278119166Smtm devfs_init_rulesets 1279146490Sschweikh if ! devfs_domount "$jdev" $rs; then 1280119166Smtm warn "$_me: devfs was not mounted on $jdev" 1281119166Smtm return 1 1282119166Smtm fi 1283119166Smtm return 0 1284119166Smtm} 1285127345Sbrooks 1286127345Sbrooks# Provide a function for normalizing the mounting of memory 1287127345Sbrooks# filesystems. This should allow the rest of the code here to remain 1288127345Sbrooks# as close as possible between 5-current and 4-stable. 1289127345Sbrooks# $1 = size 1290127345Sbrooks# $2 = mount point 1291137451Skeramida# $3 = (optional) extra mdmfs flags 1292146490Sschweikhmount_md() 1293146490Sschweikh{ 1294127345Sbrooks if [ -n "$3" ]; then 1295137451Skeramida flags="$3" 1296127345Sbrooks fi 1297149421Syar /sbin/mdmfs $flags -s $1 md $2 1298127345Sbrooks} 1299131550Scperciva 1300149049Spjd# ltr str src dst 1301149049Spjd# Change every $src in $str to $dst. 1302149049Spjd# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor 1303149049Spjd# awk(1). 1304149049Spjdltr() 1305149049Spjd{ 1306149049Spjd local _str _src _dst _out _com 1307149049Spjd _str=$1 1308149049Spjd _src=$2 1309149049Spjd _dst=$3 1310149049Spjd _out="" 1311149049Spjd 1312149049Spjd IFS=${_src} 1313149049Spjd for _com in ${_str}; do 1314149049Spjd if [ -z "${_out}" ]; then 1315149049Spjd _out="${_com}" 1316149049Spjd else 1317149049Spjd _out="${_out}${_dst}${_com}" 1318149049Spjd fi 1319149049Spjd done 1320149049Spjd echo "${_out}" 1321149049Spjd} 1322149049Spjd 1323149050Spjd# Creates a list of providers for GELI encryption. 1324149050Spjdgeli_make_list() 1325149050Spjd{ 1326149050Spjd local devices devices2 1327149050Spjd local provider mountpoint type options rest 1328149050Spjd 1329149050Spjd # Create list of GELI providers from fstab. 1330149050Spjd while read provider mountpoint type options rest ; do 1331149050Spjd case ":${provider}" in 1332149050Spjd :#*) 1333149050Spjd continue 1334149050Spjd ;; 1335149050Spjd *.eli) 1336149050Spjd # Skip swap devices. 1337149050Spjd if [ "${type}" = "swap" -o "${options}" = "sw" ]; then 1338149050Spjd continue 1339149050Spjd fi 1340149050Spjd devices="${devices} ${provider}" 1341149050Spjd ;; 1342149050Spjd esac 1343149050Spjd done < /etc/fstab 1344149050Spjd 1345149050Spjd # Append providers from geli_devices. 1346149050Spjd devices="${devices} ${geli_devices}" 1347149050Spjd 1348149050Spjd for provider in ${devices}; do 1349149050Spjd provider=${provider%.eli} 1350149050Spjd provider=${provider#/dev/} 1351149050Spjd devices2="${devices2} ${provider}" 1352149050Spjd done 1353149050Spjd 1354149050Spjd echo ${devices2} 1355149050Spjd} 1356149050Spjd 1357131550Scpercivafi 1358