0a888a1e57
interpreted $command. Some "portable" sofware packages use such a line to skip the task of figuring out the absolute pathname of the interpreter at install time, e.g.: #!/usr/bin/env python It is insecure, but a popular book on Python seems to have advised it to a wide audience. Hence a number of such scripts in the ports, mostly written in Python. PR: bin/100287 MFC after: 1 week
1549 lines
35 KiB
Plaintext
1549 lines
35 KiB
Plaintext
# $NetBSD: rc.subr,v 1.67 2006/10/07 11:25:15 elad Exp $
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# $FreeBSD$
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#
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# Copyright (c) 1997-2004 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Luke Mewburn.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# rc.subr
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# functions used by various rc scripts
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#
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: ${rcvar_manpage:='rc.conf(5)'}
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#
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# Operating System dependent/independent variables
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#
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if [ -z "${_rc_subr_loaded}" ]; then
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_rc_subr_loaded="YES"
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SYSCTL="/sbin/sysctl"
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SYSCTL_N="${SYSCTL} -n"
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CMD_OSTYPE="${SYSCTL_N} kern.ostype"
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OSTYPE=`${CMD_OSTYPE}`
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ID="/usr/bin/id"
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IDCMD="if [ -x $ID ]; then $ID -un; fi"
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PS="/bin/ps -ww"
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JID=`$PS -p $$ -o jid=`
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case ${OSTYPE} in
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FreeBSD)
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SYSCTL_W="${SYSCTL}"
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;;
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NetBSD)
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SYSCTL_W="${SYSCTL} -w"
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;;
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esac
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#
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# functions
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# ---------
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#
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# set_rcvar base_var
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# Set the variable name enabling a specific service.
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# FreeBSD uses ${service}_enable, while NetBSD uses
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# just the name of the service. For example:
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# FreeBSD: sendmail_enable="YES"
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# NetBSD : sendmail="YES"
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# $1 - if $name is not the base to work of off, specify
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# a different one
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#
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set_rcvar()
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{
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if [ -z "$1" ]; then
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base_var=${name}
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else
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base_var="$1"
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fi
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case ${OSTYPE} in
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FreeBSD)
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echo ${base_var}_enable
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;;
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NetBSD)
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echo ${base_var}
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;;
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*)
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echo 'XXX'
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;;
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esac
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}
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#
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# force_depend script
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# Force a service to start. Intended for use by services
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# to resolve dependency issues. It is assumed the caller
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# has check to make sure this call is necessary
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# $1 - filename of script, in /etc/rc.d, to run
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#
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force_depend()
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{
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_depend="$1"
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info "${name} depends on ${_depend}, which will be forced to start."
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if ! /etc/rc.d/${_depend} forcestart; then
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warn "Unable to force ${_depend}. It may already be running."
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return 1
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fi
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return 0
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}
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#
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# checkyesno var
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# Test $1 variable, and warn if not set to YES or NO.
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# Return 0 if it's "yes" (et al), nonzero otherwise.
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#
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checkyesno()
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{
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eval _value=\$${1}
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debug "checkyesno: $1 is set to $_value."
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case $_value in
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# "yes", "true", "on", or "1"
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
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return 0
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;;
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# "no", "false", "off", or "0"
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[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
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return 1
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;;
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*)
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warn "\$${1} is not set properly - see ${rcvar_manpage}."
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return 1
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;;
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esac
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}
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#
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# reverse_list list
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# print the list in reverse order
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#
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reverse_list()
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{
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_revlist=
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for _revfile; do
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_revlist="$_revfile $_revlist"
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done
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echo $_revlist
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}
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#
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# mount_critical_filesystems type
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# Go through the list of critical filesystems as provided in
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# the rc.conf(5) variable $critical_filesystems_${type}, checking
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# each one to see if it is mounted, and if it is not, mounting it.
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#
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mount_critical_filesystems()
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{
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eval _fslist=\$critical_filesystems_${1}
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for _fs in $_fslist; do
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mount | (
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_ismounted=false
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while read what _on on _type type; do
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if [ $on = $_fs ]; then
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_ismounted=true
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fi
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done
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if $_ismounted; then
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:
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else
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mount $_fs >/dev/null 2>&1
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fi
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)
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done
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}
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#
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# check_pidfile pidfile procname [interpreter]
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# Parses the first line of pidfile for a PID, and ensures
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# that the process is running and matches procname.
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# Prints the matching PID upon success, nothing otherwise.
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# interpreter is optional; see _find_processes() for details.
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#
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check_pidfile()
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{
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_pidfile=$1
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_procname=$2
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_interpreter=$3
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if [ -z "$_pidfile" -o -z "$_procname" ]; then
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err 3 'USAGE: check_pidfile pidfile procname [interpreter]'
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fi
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if [ ! -f $_pidfile ]; then
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debug "pid file ($_pidfile): not readable."
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return
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fi
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read _pid _junk < $_pidfile
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if [ -z "$_pid" ]; then
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debug "pid file ($_pidfile): no pid in file."
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return
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fi
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_find_processes $_procname ${_interpreter:-.} '-p '"$_pid"
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}
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#
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# check_process procname [interpreter]
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# Ensures that a process (or processes) named procname is running.
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# Prints a list of matching PIDs.
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# interpreter is optional; see _find_processes() for details.
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#
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check_process()
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{
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_procname=$1
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_interpreter=$2
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if [ -z "$_procname" ]; then
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err 3 'USAGE: check_process procname [interpreter]'
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fi
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_find_processes $_procname ${_interpreter:-.} '-ax'
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}
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#
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# _find_processes procname interpreter psargs
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# Search for procname in the output of ps generated by psargs.
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# Prints the PIDs of any matching processes, space separated.
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#
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# If interpreter == ".", check the following variations of procname
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# against the first word of each command:
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# procname
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# `basename procname`
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# `basename procname` + ":"
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# "(" + `basename procname` + ")"
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# "[" + `basename procname` + "]"
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#
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# If interpreter != ".", read the first line of procname, remove the
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# leading #!, normalise whitespace, append procname, and attempt to
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# match that against each command, either as is, or with extra words
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# at the end. As an alternative, to deal with interpreted daemons
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# using perl, the basename of the interpreter plus a colon is also
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# tried as the prefix to procname.
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#
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_find_processes()
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{
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if [ $# -ne 3 ]; then
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err 3 'USAGE: _find_processes procname interpreter psargs'
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fi
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_procname=$1
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_interpreter=$2
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_psargs=$3
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_pref=
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if [ $_interpreter != "." ]; then # an interpreted script
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read _interp < ${_chroot:-}/$_procname # read interpreter name
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_interp=${_interp#\#!} # strip #!
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set -- $_interp
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case $1 in
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*/bin/env)
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shift # drop env to get real name
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;;
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esac
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if [ $_interpreter != $1 ]; then
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warn "\$command_interpreter $_interpreter != $1"
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fi
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_interp="$* $_procname" # cleanup spaces, add _procname
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_interpbn=${1##*/}
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_fp_args='_argv'
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_fp_match='case "$_argv" in
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${_interp}|"${_interp} "*|"${_interpbn}: ${_procname}"*)'
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else # a normal daemon
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_procnamebn=${_procname##*/}
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_fp_args='_arg0 _argv'
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_fp_match='case "$_arg0" in
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$_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})"|"[${_procnamebn}]")'
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fi
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_proccheck="\
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$PS 2>/dev/null -o pid= -o jid= -o command= $_psargs"' |
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while read _npid _jid '"$_fp_args"'; do
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'"$_fp_match"'
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if [ "$JID" -eq "$_jid" ];
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then echo -n "$_pref$_npid";
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_pref=" ";
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fi
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;;
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esac
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done'
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# debug "in _find_processes: proccheck is ($_proccheck)."
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eval $_proccheck
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}
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#
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# wait_for_pids pid [pid ...]
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# spins until none of the pids exist
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#
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wait_for_pids()
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{
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_list="$@"
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if [ -z "$_list" ]; then
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return
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fi
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_prefix=
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while true; do
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_nlist="";
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for _j in $_list; do
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if kill -0 $_j 2>/dev/null; then
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_nlist="${_nlist}${_nlist:+ }$_j"
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fi
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done
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if [ -z "$_nlist" ]; then
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break
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fi
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_list=$_nlist
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echo -n ${_prefix:-"Waiting for PIDS: "}$_list
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_prefix=", "
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sleep 2
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done
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if [ -n "$_prefix" ]; then
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echo "."
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fi
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}
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#
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# run_rc_command argument
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# Search for argument in the list of supported commands, which is:
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# "start stop restart rcvar status poll ${extra_commands}"
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# If there's a match, run ${argument}_cmd or the default method
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# (see below).
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#
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# If argument has a given prefix, then change the operation as follows:
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# Prefix Operation
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# ------ ---------
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# fast Skip the pid check, and set rc_fast=yes
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# force Set ${rcvar} to YES, and set rc_force=yes
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# one Set ${rcvar} to YES
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#
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# The following globals are used:
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#
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# Name Needed Purpose
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# ---- ------ -------
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# name y Name of script.
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#
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# command n Full path to command.
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# Not needed if ${rc_arg}_cmd is set for
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# each keyword.
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#
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# command_args n Optional args/shell directives for command.
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#
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# command_interpreter n If not empty, command is interpreted, so
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# call check_{pidfile,process}() appropriately.
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#
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# extra_commands n List of extra commands supported.
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#
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# pidfile n If set, use check_pidfile $pidfile $command,
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# otherwise use check_process $command.
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# In either case, only check if $command is set.
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#
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# procname n Process name to check for instead of $command.
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#
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# rcvar n This is checked with checkyesno to determine
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# if the action should be run.
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#
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# ${name}_program n Full path to command.
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# Meant to be used in /etc/rc.conf to override
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# ${command}.
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#
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# ${name}_chroot n Directory to chroot to before running ${command}
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# Requires /usr to be mounted.
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#
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# ${name}_chdir n Directory to cd to before running ${command}
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# (if not using ${name}_chroot).
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#
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# ${name}_flags n Arguments to call ${command} with.
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# NOTE: $flags from the parent environment
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# can be used to override this.
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#
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# ${name}_nice n Nice level to run ${command} at.
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#
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# ${name}_user n User to run ${command} as, using su(1) if not
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# using ${name}_chroot.
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# Requires /usr to be mounted.
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#
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# ${name}_group n Group to run chrooted ${command} as.
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# Requires /usr to be mounted.
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#
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# ${name}_groups n Comma separated list of supplementary groups
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# to run the chrooted ${command} with.
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# Requires /usr to be mounted.
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#
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|
# ${rc_arg}_cmd n If set, use this as the method when invoked;
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# Otherwise, use default command (see below)
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#
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|
# ${rc_arg}_precmd n If set, run just before performing the
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|
# ${rc_arg}_cmd method in the default
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# operation (i.e, after checking for required
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# bits and process (non)existence).
|
|
# If this completes with a non-zero exit code,
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|
# don't run ${rc_arg}_cmd.
|
|
#
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|
# ${rc_arg}_postcmd n If set, run just after performing the
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# ${rc_arg}_cmd method, if that method
|
|
# returned a zero exit code.
|
|
#
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|
# required_dirs n If set, check for the existence of the given
|
|
# directories before running a (re)start command.
|
|
#
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|
# required_files n If set, check for the readability of the given
|
|
# files before running a (re)start command.
|
|
#
|
|
# required_modules n If set, ensure the given kernel modules are
|
|
# loaded before running a (re)start command.
|
|
# The check and possible loads are actually
|
|
# done after start_precmd so that the modules
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|
# aren't loaded in vain, should the precmd
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|
# return a non-zero status to indicate a error.
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|
# If a word in the list looks like "foo:bar",
|
|
# "foo" is the KLD file name and "bar" is the
|
|
# module name. If a word looks like "foo~bar",
|
|
# "foo" is the KLD file name and "bar" is a
|
|
# egrep(1) pattern matching the module name.
|
|
# Otherwise the module name is assumed to be
|
|
# the same as the KLD file name, which is most
|
|
# common. See load_kld().
|
|
#
|
|
# required_vars n If set, perform checkyesno on each of the
|
|
# listed variables before running the default
|
|
# (re)start command.
|
|
#
|
|
# Default behaviour for a given argument, if no override method is
|
|
# provided:
|
|
#
|
|
# Argument Default behaviour
|
|
# -------- -----------------
|
|
# start if !running && checkyesno ${rcvar}
|
|
# ${command}
|
|
#
|
|
# stop if ${pidfile}
|
|
# rc_pid=$(check_pidfile $pidfile $command)
|
|
# else
|
|
# rc_pid=$(check_process $command)
|
|
# kill $sig_stop $rc_pid
|
|
# wait_for_pids $rc_pid
|
|
# ($sig_stop defaults to TERM.)
|
|
#
|
|
# reload Similar to stop, except use $sig_reload instead,
|
|
# and doesn't wait_for_pids.
|
|
# $sig_reload defaults to HUP.
|
|
# Note that `reload' isn't provided by default,
|
|
# it should be enabled via $extra_commands.
|
|
#
|
|
# restart Run `stop' then `start'.
|
|
#
|
|
# status Show if ${command} is running, etc.
|
|
#
|
|
# poll Wait for ${command} to exit.
|
|
#
|
|
# rcvar Display what rc.conf variable is used (if any).
|
|
#
|
|
# Variables available to methods, and after run_rc_command() has
|
|
# completed:
|
|
#
|
|
# Variable Purpose
|
|
# -------- -------
|
|
# rc_arg Argument to command, after fast/force/one processing
|
|
# performed
|
|
#
|
|
# rc_flags Flags to start the default command with.
|
|
# Defaults to ${name}_flags, unless overridden
|
|
# by $flags from the environment.
|
|
# This variable may be changed by the precmd method.
|
|
#
|
|
# rc_pid PID of command (if appropriate)
|
|
#
|
|
# rc_fast Not empty if "fast" was provided (q.v.)
|
|
#
|
|
# rc_force Not empty if "force" was provided (q.v.)
|
|
#
|
|
#
|
|
run_rc_command()
|
|
{
|
|
_return=0
|
|
rc_arg=$1
|
|
if [ -z "$name" ]; then
|
|
err 3 'run_rc_command: $name is not set.'
|
|
fi
|
|
|
|
# Don't repeat the first argument when passing additional command-
|
|
# line arguments to the command subroutines.
|
|
#
|
|
shift 1
|
|
rc_extra_args="$*"
|
|
|
|
_rc_prefix=
|
|
case "$rc_arg" in
|
|
fast*) # "fast" prefix; don't check pid
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|
rc_arg=${rc_arg#fast}
|
|
rc_fast=yes
|
|
;;
|
|
force*) # "force prefix; always run
|
|
rc_force=yes
|
|
_rc_prefix=force
|
|
rc_arg=${rc_arg#${_rc_prefix}}
|
|
if [ -n "${rcvar}" ]; then
|
|
eval ${rcvar}=YES
|
|
fi
|
|
;;
|
|
one*) # "one" prefix; set ${rcvar}=yes
|
|
_rc_prefix=one
|
|
rc_arg=${rc_arg#${_rc_prefix}}
|
|
if [ -n "${rcvar}" ]; then
|
|
eval ${rcvar}=YES
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
eval _override_command=\$${name}_program
|
|
command=${command:+${_override_command:-$command}}
|
|
|
|
_keywords="start stop restart rcvar $extra_commands"
|
|
rc_pid=
|
|
_pidcmd=
|
|
_procname=${procname:-${command}}
|
|
|
|
# setup pid check command
|
|
if [ -n "$_procname" ]; then
|
|
if [ -n "$pidfile" ]; then
|
|
_pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')'
|
|
else
|
|
_pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')'
|
|
fi
|
|
if [ -n "$_pidcmd" ]; then
|
|
_keywords="${_keywords} status poll"
|
|
fi
|
|
fi
|
|
|
|
if [ -z "$rc_arg" ]; then
|
|
rc_usage $_keywords
|
|
fi
|
|
|
|
if [ -n "$flags" ]; then # allow override from environment
|
|
rc_flags=$flags
|
|
else
|
|
eval rc_flags=\$${name}_flags
|
|
fi
|
|
eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \
|
|
_nice=\$${name}_nice _user=\$${name}_user \
|
|
_group=\$${name}_group _groups=\$${name}_groups
|
|
|
|
if [ -n "$_user" ]; then # unset $_user if running as that user
|
|
if [ "$_user" = "$(eval $IDCMD)" ]; then
|
|
unset _user
|
|
fi
|
|
fi
|
|
|
|
# if ${rcvar} is set, and $1 is not
|
|
# "rcvar", then run
|
|
# checkyesno ${rcvar}
|
|
# and return if that failed
|
|
#
|
|
if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then
|
|
if ! checkyesno ${rcvar}; then
|
|
return 0
|
|
fi
|
|
fi
|
|
|
|
eval $_pidcmd # determine the pid if necessary
|
|
|
|
for _elem in $_keywords; do
|
|
if [ "$_elem" != "$rc_arg" ]; then
|
|
continue
|
|
fi
|
|
# if there's a custom ${XXX_cmd},
|
|
# run that instead of the default
|
|
#
|
|
eval _cmd=\$${rc_arg}_cmd \
|
|
_precmd=\$${rc_arg}_precmd \
|
|
_postcmd=\$${rc_arg}_postcmd
|
|
|
|
if [ -n "$_cmd" ]; then
|
|
_run_rc_precmd || return 1
|
|
_run_rc_doit "$_cmd $rc_extra_args" || return 1
|
|
_run_rc_postcmd
|
|
return $_return
|
|
fi
|
|
|
|
case "$rc_arg" in # default operations...
|
|
|
|
status)
|
|
_run_rc_precmd || return 1
|
|
if [ -n "$rc_pid" ]; then
|
|
echo "${name} is running as pid $rc_pid."
|
|
else
|
|
echo "${name} is not running."
|
|
return 1
|
|
fi
|
|
_run_rc_postcmd
|
|
;;
|
|
|
|
start)
|
|
if [ -z "$rc_fast" -a -n "$rc_pid" ]; then
|
|
echo 1>&2 "${name} already running? (pid=$rc_pid)."
|
|
return 1
|
|
fi
|
|
|
|
if [ ! -x ${_chroot}${command} ]; then
|
|
warn "run_rc_command: cannot run $command"
|
|
return 1
|
|
fi
|
|
|
|
_run_rc_precmd || return 1
|
|
|
|
# setup the full command to run
|
|
#
|
|
echo "Starting ${name}."
|
|
if [ -n "$_chroot" ]; then
|
|
_doit="\
|
|
${_nice:+nice -n $_nice }\
|
|
chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\
|
|
$_chroot $command $rc_flags $command_args"
|
|
else
|
|
_doit="\
|
|
${_chdir:+cd $_chdir && }\
|
|
$command $rc_flags $command_args"
|
|
if [ -n "$_user" ]; then
|
|
_doit="su -m $_user -c 'sh -c \"$_doit\"'"
|
|
fi
|
|
if [ -n "$_nice" ]; then
|
|
if [ -z "$_user" ]; then
|
|
_doit="sh -c \"$_doit\""
|
|
fi
|
|
_doit="nice -n $_nice $_doit"
|
|
fi
|
|
fi
|
|
|
|
# run the full command
|
|
#
|
|
_run_rc_doit "$_doit" || return 1
|
|
|
|
# finally, run postcmd
|
|
#
|
|
_run_rc_postcmd
|
|
;;
|
|
|
|
stop)
|
|
if [ -z "$rc_pid" ]; then
|
|
[ -n "$rc_fast" ] && return 0
|
|
_run_rc_notrunning
|
|
return 1
|
|
fi
|
|
|
|
_run_rc_precmd || return 1
|
|
|
|
# send the signal to stop
|
|
#
|
|
echo "Stopping ${name}."
|
|
_doit=$(_run_rc_killcmd "${sig_stop:-TERM}")
|
|
_run_rc_doit "$_doit" || return 1
|
|
|
|
# wait for the command to exit,
|
|
# and run postcmd.
|
|
wait_for_pids $rc_pid
|
|
|
|
_run_rc_postcmd
|
|
;;
|
|
|
|
reload)
|
|
if [ -z "$rc_pid" ]; then
|
|
_run_rc_notrunning
|
|
return 1
|
|
fi
|
|
|
|
_run_rc_precmd || return 1
|
|
|
|
_doit=$(_run_rc_killcmd "${sig_reload:-HUP}")
|
|
_run_rc_doit "$_doit" || return 1
|
|
|
|
_run_rc_postcmd
|
|
;;
|
|
|
|
restart)
|
|
# prevent restart being called more
|
|
# than once by any given script
|
|
#
|
|
if ${_rc_restart_done:-false}; then
|
|
return 0
|
|
fi
|
|
_rc_restart_done=true
|
|
|
|
_run_rc_precmd || return 1
|
|
|
|
# run those in a subshell to keep global variables
|
|
( run_rc_command ${_rc_prefix}stop $rc_extra_args )
|
|
( run_rc_command ${_rc_prefix}start $rc_extra_args )
|
|
_return=$?
|
|
[ $_return -ne 0 ] && [ -z "$rc_force" ] && return 1
|
|
|
|
_run_rc_postcmd
|
|
;;
|
|
|
|
poll)
|
|
_run_rc_precmd || return 1
|
|
if [ -n "$rc_pid" ]; then
|
|
wait_for_pids $rc_pid
|
|
fi
|
|
_run_rc_postcmd
|
|
;;
|
|
|
|
rcvar)
|
|
echo "# $name"
|
|
if [ -n "$rcvar" ]; then
|
|
if checkyesno ${rcvar}; then
|
|
echo "${rcvar}=YES"
|
|
else
|
|
echo "${rcvar}=NO"
|
|
fi
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
rc_usage $_keywords
|
|
;;
|
|
|
|
esac
|
|
return $_return
|
|
done
|
|
|
|
echo 1>&2 "$0: unknown directive '$rc_arg'."
|
|
rc_usage $_keywords
|
|
# not reached
|
|
}
|
|
|
|
#
|
|
# Helper functions for run_rc_command: common code.
|
|
# They use such global variables besides the exported rc_* ones:
|
|
#
|
|
# name R/W
|
|
# ------------------
|
|
# _precmd R
|
|
# _postcmd R
|
|
# _return W
|
|
#
|
|
_run_rc_precmd()
|
|
{
|
|
check_required_before "$rc_arg" || return 1
|
|
|
|
if [ -n "$_precmd" ]; then
|
|
debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args"
|
|
eval "$_precmd $rc_extra_args"
|
|
_return=$?
|
|
|
|
# If precmd failed and force isn't set, request exit.
|
|
if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then
|
|
return 1
|
|
fi
|
|
fi
|
|
|
|
check_required_after "$rc_arg" || return 1
|
|
|
|
return 0
|
|
}
|
|
|
|
_run_rc_postcmd()
|
|
{
|
|
if [ -n "$_postcmd" ]; then
|
|
debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args"
|
|
eval "$_postcmd $rc_extra_args"
|
|
_return=$?
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
_run_rc_doit()
|
|
{
|
|
debug "run_rc_command: doit: $*"
|
|
eval "$@"
|
|
_return=$?
|
|
|
|
# If command failed and force isn't set, request exit.
|
|
if [ $_return -ne 0 ] && [ -z "$rc_force" ]; then
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
_run_rc_notrunning()
|
|
{
|
|
local _pidmsg
|
|
|
|
if [ -n "$pidfile" ]; then
|
|
_pidmsg=" (check $pidfile)."
|
|
else
|
|
_pidmsg=
|
|
fi
|
|
echo 1>&2 "${name} not running?${_pidmsg}"
|
|
}
|
|
|
|
_run_rc_killcmd()
|
|
{
|
|
local _cmd
|
|
|
|
_cmd="kill -$1 $rc_pid"
|
|
if [ -n "$_user" ]; then
|
|
_cmd="su -m ${_user} -c 'sh -c \"${_cmd}\"'"
|
|
fi
|
|
echo "$_cmd"
|
|
}
|
|
|
|
#
|
|
# run_rc_script file arg
|
|
# Start the script `file' with `arg', and correctly handle the
|
|
# return value from the script. If `file' ends with `.sh', it's
|
|
# sourced into the current environment. If `file' appears to be
|
|
# a backup or scratch file, ignore it. Otherwise if it's
|
|
# executable run as a child process.
|
|
#
|
|
run_rc_script()
|
|
{
|
|
_file=$1
|
|
_arg=$2
|
|
if [ -z "$_file" -o -z "$_arg" ]; then
|
|
err 3 'USAGE: run_rc_script file arg'
|
|
fi
|
|
|
|
unset name command command_args command_interpreter \
|
|
extra_commands pidfile procname \
|
|
rcvar required_dirs required_files required_vars
|
|
eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd
|
|
|
|
case "$_file" in
|
|
/etc/rc.d/*.sh) # run in current shell
|
|
set $_arg; . $_file
|
|
;;
|
|
*[~#]|*.OLD|*.bak|*.orig|*,v) # scratch file; skip
|
|
warn "Ignoring scratch file $_file"
|
|
;;
|
|
*) # run in subshell
|
|
if [ -x $_file ]; then
|
|
if [ -n "$rc_fast_and_loose" ]; then
|
|
set $_arg; . $_file
|
|
else
|
|
( trap "echo Script $_file interrupted; kill -QUIT $$" 3
|
|
trap "echo Script $_file interrupted; exit 1" 2
|
|
set $_arg; . $_file )
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
}
|
|
|
|
#
|
|
# load_rc_config name
|
|
# Source in the configuration file for a given name.
|
|
#
|
|
load_rc_config()
|
|
{
|
|
_name=$1
|
|
if [ -z "$_name" ]; then
|
|
err 3 'USAGE: load_rc_config name'
|
|
fi
|
|
|
|
if ${_rc_conf_loaded:-false}; then
|
|
:
|
|
else
|
|
if [ -r /etc/defaults/rc.conf ]; then
|
|
debug "Sourcing /etc/defaults/rc.conf"
|
|
. /etc/defaults/rc.conf
|
|
source_rc_confs
|
|
elif [ -r /etc/rc.conf ]; then
|
|
debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)."
|
|
. /etc/rc.conf
|
|
fi
|
|
_rc_conf_loaded=true
|
|
fi
|
|
if [ -f /etc/rc.conf.d/"$_name" ]; then
|
|
debug "Sourcing /etc/rc.conf.d/${_name}"
|
|
. /etc/rc.conf.d/"$_name"
|
|
fi
|
|
|
|
# XXX - Deprecated variable name support
|
|
#
|
|
case ${OSTYPE} in
|
|
FreeBSD)
|
|
[ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable"
|
|
[ -n "$portmap_program" ] && rpcbind_program="$portmap_program"
|
|
[ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags"
|
|
[ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable"
|
|
[ -n "$xntpd_enable" ] && ntpd_enable="$xntpd_enable"
|
|
[ -n "$xntpd_program" ] && ntpd_program="$xntpd_program"
|
|
[ -n "$xntpd_flags" ] && ntpd_flags="$xntpd_flags"
|
|
[ -n "$dhcp_program" ] && dhclient_program="$dhcp_program"
|
|
[ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
#
|
|
# load_rc_config_var name var
|
|
# Read the rc.conf(5) var for name and set in the
|
|
# current shell, using load_rc_config in a subshell to prevent
|
|
# unwanted side effects from other variable assignments.
|
|
#
|
|
load_rc_config_var()
|
|
{
|
|
if [ $# -ne 2 ]; then
|
|
err 3 'USAGE: load_rc_config_var name var'
|
|
fi
|
|
eval $(eval '(
|
|
load_rc_config '$1' >/dev/null;
|
|
if [ -n "${'$2'}" -o "${'$2'-UNSET}" != "UNSET" ]; then
|
|
echo '$2'=\'\''${'$2'}\'\'';
|
|
fi
|
|
)' )
|
|
}
|
|
|
|
#
|
|
# rc_usage commands
|
|
# Print a usage string for $0, with `commands' being a list of
|
|
# valid commands.
|
|
#
|
|
rc_usage()
|
|
{
|
|
echo -n 1>&2 "Usage: $0 [fast|force|one]("
|
|
|
|
_sep=
|
|
for _elem; do
|
|
echo -n 1>&2 "$_sep$_elem"
|
|
_sep="|"
|
|
done
|
|
echo 1>&2 ")"
|
|
exit 1
|
|
}
|
|
|
|
#
|
|
# err exitval message
|
|
# Display message to stderr and log to the syslog, and exit with exitval.
|
|
#
|
|
err()
|
|
{
|
|
exitval=$1
|
|
shift
|
|
|
|
if [ -x /usr/bin/logger ]; then
|
|
logger "$0: ERROR: $*"
|
|
fi
|
|
echo 1>&2 "$0: ERROR: $*"
|
|
exit $exitval
|
|
}
|
|
|
|
#
|
|
# warn message
|
|
# Display message to stderr and log to the syslog.
|
|
#
|
|
warn()
|
|
{
|
|
if [ -x /usr/bin/logger ]; then
|
|
logger "$0: WARNING: $*"
|
|
fi
|
|
echo 1>&2 "$0: WARNING: $*"
|
|
}
|
|
|
|
#
|
|
# info message
|
|
# Display informational message to stdout and log to syslog.
|
|
#
|
|
info()
|
|
{
|
|
case ${rc_info} in
|
|
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
|
|
if [ -x /usr/bin/logger ]; then
|
|
logger "$0: INFO: $*"
|
|
fi
|
|
echo "$0: INFO: $*"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
#
|
|
# debug message
|
|
# If debugging is enabled in rc.conf output message to stderr.
|
|
# BEWARE that you don't call any subroutine that itself calls this
|
|
# function.
|
|
#
|
|
debug()
|
|
{
|
|
case ${rc_debug} in
|
|
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
|
|
if [ -x /usr/bin/logger ]; then
|
|
logger "$0: DEBUG: $*"
|
|
fi
|
|
echo 1>&2 "$0: DEBUG: $*"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
#
|
|
# backup_file action file cur backup
|
|
# Make a backup copy of `file' into `cur', and save the previous
|
|
# version of `cur' as `backup' or use rcs for archiving.
|
|
#
|
|
# This routine checks the value of the backup_uses_rcs variable,
|
|
# which can be either YES or NO.
|
|
#
|
|
# The `action' keyword can be one of the following:
|
|
#
|
|
# add `file' is now being backed up (and is possibly
|
|
# being reentered into the backups system). `cur'
|
|
# is created and RCS files, if necessary, are
|
|
# created as well.
|
|
#
|
|
# update `file' has changed and needs to be backed up.
|
|
# If `cur' exists, it is copied to to `back' or
|
|
# checked into RCS (if the repository file is old),
|
|
# and then `file' is copied to `cur'. Another RCS
|
|
# check in done here if RCS is being used.
|
|
#
|
|
# remove `file' is no longer being tracked by the backups
|
|
# system. If RCS is not being used, `cur' is moved
|
|
# to `back', otherwise an empty file is checked in,
|
|
# and then `cur' is removed.
|
|
#
|
|
#
|
|
backup_file()
|
|
{
|
|
_action=$1
|
|
_file=$2
|
|
_cur=$3
|
|
_back=$4
|
|
|
|
if checkyesno backup_uses_rcs; then
|
|
_msg0="backup archive"
|
|
_msg1="update"
|
|
|
|
# ensure that history file is not locked
|
|
if [ -f $_cur,v ]; then
|
|
rcs -q -u -U -M $_cur
|
|
fi
|
|
|
|
# ensure after switching to rcs that the
|
|
# current backup is not lost
|
|
if [ -f $_cur ]; then
|
|
# no archive, or current newer than archive
|
|
if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then
|
|
ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur
|
|
rcs -q -kb -U $_cur
|
|
co -q -f -u $_cur
|
|
fi
|
|
fi
|
|
|
|
case $_action in
|
|
add|update)
|
|
cp -p $_file $_cur
|
|
ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur
|
|
rcs -q -kb -U $_cur
|
|
co -q -f -u $_cur
|
|
chown root:wheel $_cur $_cur,v
|
|
;;
|
|
remove)
|
|
cp /dev/null $_cur
|
|
ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur
|
|
rcs -q -kb -U $_cur
|
|
chown root:wheel $_cur $_cur,v
|
|
rm $_cur
|
|
;;
|
|
esac
|
|
else
|
|
case $_action in
|
|
add|update)
|
|
if [ -f $_cur ]; then
|
|
cp -p $_cur $_back
|
|
fi
|
|
cp -p $_file $_cur
|
|
chown root:wheel $_cur
|
|
;;
|
|
remove)
|
|
mv -f $_cur $_back
|
|
;;
|
|
esac
|
|
fi
|
|
}
|
|
|
|
# make_symlink src link
|
|
# Make a symbolic link 'link' to src from basedir. If the
|
|
# directory in which link is to be created does not exist
|
|
# a warning will be displayed and an error will be returned.
|
|
# Returns 0 on sucess, 1 otherwise.
|
|
#
|
|
make_symlink()
|
|
{
|
|
local src link linkdir _me
|
|
src="$1"
|
|
link="$2"
|
|
linkdir="`dirname $link`"
|
|
_me="make_symlink()"
|
|
|
|
if [ -z "$src" -o -z "$link" ]; then
|
|
warn "$_me: requires two arguments."
|
|
return 1
|
|
fi
|
|
if [ ! -d "$linkdir" ]; then
|
|
warn "$_me: the directory $linkdir does not exist."
|
|
return 1
|
|
fi
|
|
if ! ln -sf $src $link; then
|
|
warn "$_me: unable to make a symbolic link from $link to $src"
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# devfs_rulesets_from_file file
|
|
# Reads a set of devfs commands from file, and creates
|
|
# the specified rulesets with their rules. Returns non-zero
|
|
# if there was an error.
|
|
#
|
|
devfs_rulesets_from_file()
|
|
{
|
|
local file _err _me
|
|
file="$1"
|
|
_me="devfs_rulesets_from_file"
|
|
_err=0
|
|
|
|
if [ -z "$file" ]; then
|
|
warn "$_me: you must specify a file"
|
|
return 1
|
|
fi
|
|
if [ ! -e "$file" ]; then
|
|
debug "$_me: no such file ($file)"
|
|
return 0
|
|
fi
|
|
debug "reading rulesets from file ($file)"
|
|
{ while read line
|
|
do
|
|
case $line in
|
|
\#*)
|
|
continue
|
|
;;
|
|
\[*\]*)
|
|
rulenum=`expr "$line" : "\[.*=\([0-9]*\)\]"`
|
|
if [ -z "$rulenum" ]; then
|
|
warn "$_me: cannot extract rule number ($line)"
|
|
_err=1
|
|
break
|
|
fi
|
|
rulename=`expr "$line" : "\[\(.*\)=[0-9]*\]"`
|
|
if [ -z "$rulename" ]; then
|
|
warn "$_me: cannot extract rule name ($line)"
|
|
_err=1
|
|
break;
|
|
fi
|
|
eval $rulename=\$rulenum
|
|
debug "found ruleset: $rulename=$rulenum"
|
|
if ! /sbin/devfs rule -s $rulenum delset; then
|
|
_err=1
|
|
break
|
|
fi
|
|
;;
|
|
*)
|
|
rulecmd="${line%%"\#*"}"
|
|
# evaluate the command incase it includes
|
|
# other rules
|
|
if [ -n "$rulecmd" ]; then
|
|
debug "adding rule ($rulecmd)"
|
|
if ! eval /sbin/devfs rule -s $rulenum $rulecmd
|
|
then
|
|
_err=1
|
|
break
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
if [ $_err -ne 0 ]; then
|
|
debug "error in $_me"
|
|
break
|
|
fi
|
|
done } < $file
|
|
return $_err
|
|
}
|
|
|
|
# devfs_init_rulesets
|
|
# Initializes rulesets from configuration files. Returns
|
|
# non-zero if there was an error.
|
|
#
|
|
devfs_init_rulesets()
|
|
{
|
|
local file _me
|
|
_me="devfs_init_rulesets"
|
|
|
|
# Go through this only once
|
|
if [ -n "$devfs_rulesets_init" ]; then
|
|
debug "$_me: devfs rulesets already initialized"
|
|
return
|
|
fi
|
|
for file in $devfs_rulesets; do
|
|
devfs_rulesets_from_file $file || return 1
|
|
done
|
|
devfs_rulesets_init=1
|
|
debug "$_me: devfs rulesets initialized"
|
|
return 0
|
|
}
|
|
|
|
# devfs_set_ruleset ruleset [dir]
|
|
# Sets the default ruleset of dir to ruleset. The ruleset argument
|
|
# must be a ruleset name as specified in devfs.rules(5) file.
|
|
# Returns non-zero if it could not set it successfully.
|
|
#
|
|
devfs_set_ruleset()
|
|
{
|
|
local devdir rs _me
|
|
[ -n "$1" ] && eval rs=\$$1 || rs=
|
|
[ -n "$2" ] && devdir="-m "$2"" || devdir=
|
|
_me="devfs_set_ruleset"
|
|
|
|
if [ -z "$rs" ]; then
|
|
warn "$_me: you must specify a ruleset number"
|
|
return 1
|
|
fi
|
|
debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })"
|
|
if ! /sbin/devfs $devdir ruleset $rs; then
|
|
warn "$_me: unable to set ruleset $rs to ${devdir#-m }"
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# devfs_apply_ruleset ruleset [dir]
|
|
# Apply ruleset number $ruleset to the devfs mountpoint $dir.
|
|
# The ruleset argument must be a ruleset name as specified
|
|
# in a devfs.rules(5) file. Returns 0 on success or non-zero
|
|
# if it could not apply the ruleset.
|
|
#
|
|
devfs_apply_ruleset()
|
|
{
|
|
local devdir rs _me
|
|
[ -n "$1" ] && eval rs=\$$1 || rs=
|
|
[ -n "$2" ] && devdir="-m "$2"" || devdir=
|
|
_me="devfs_apply_ruleset"
|
|
|
|
if [ -z "$rs" ]; then
|
|
warn "$_me: you must specify a ruleset"
|
|
return 1
|
|
fi
|
|
debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })"
|
|
if ! /sbin/devfs $devdir rule -s $rs applyset; then
|
|
warn "$_me: unable to apply ruleset $rs to ${devdir#-m }"
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# devfs_domount dir [ruleset]
|
|
# Mount devfs on dir. If ruleset is specified it is set
|
|
# on the mount-point. It must also be a ruleset name as specified
|
|
# in a devfs.rules(5) file. Returns 0 on success.
|
|
#
|
|
devfs_domount()
|
|
{
|
|
local devdir rs _me
|
|
devdir="$1"
|
|
[ -n "$2" ] && rs=$2 || rs=
|
|
_me="devfs_domount()"
|
|
|
|
if [ -z "$devdir" ]; then
|
|
warn "$_me: you must specify a mount-point"
|
|
return 1
|
|
fi
|
|
debug "$_me: mount-point is ($devdir), ruleset is ($rs)"
|
|
if ! mount -t devfs dev "$devdir"; then
|
|
warn "$_me: Unable to mount devfs on $devdir"
|
|
return 1
|
|
fi
|
|
if [ -n "$rs" ]; then
|
|
devfs_init_rulesets
|
|
devfs_set_ruleset $rs $devdir
|
|
devfs -m $devdir rule applyset
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# devfs_mount_jail dir [ruleset]
|
|
# Mounts a devfs file system appropriate for jails
|
|
# on the directory dir. If ruleset is specified, the ruleset
|
|
# it names will be used instead. If present, ruleset must
|
|
# be the name of a ruleset as defined in a devfs.rules(5) file.
|
|
# This function returns non-zero if an error occurs.
|
|
#
|
|
devfs_mount_jail()
|
|
{
|
|
local jdev rs _me
|
|
jdev="$1"
|
|
[ -n "$2" ] && rs=$2 || rs="devfsrules_jail"
|
|
_me="devfs_mount_jail"
|
|
|
|
devfs_init_rulesets
|
|
if ! devfs_domount "$jdev" $rs; then
|
|
warn "$_me: devfs was not mounted on $jdev"
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# Provide a function for normalizing the mounting of memory
|
|
# filesystems. This should allow the rest of the code here to remain
|
|
# as close as possible between 5-current and 4-stable.
|
|
# $1 = size
|
|
# $2 = mount point
|
|
# $3 = (optional) extra mdmfs flags
|
|
mount_md()
|
|
{
|
|
if [ -n "$3" ]; then
|
|
flags="$3"
|
|
fi
|
|
/sbin/mdmfs $flags -s $1 md $2
|
|
}
|
|
|
|
# Code common to scripts that need to load a kernel module
|
|
# if it isn't in the kernel yet. Syntax:
|
|
# load_kld [-e regex] [-m module] file
|
|
# where -e or -m chooses the way to check if the module
|
|
# is already loaded:
|
|
# regex is egrep'd in the output from `kldstat -v',
|
|
# module is passed to `kldstat -m'.
|
|
# The default way is as though `-m file' were specified.
|
|
load_kld()
|
|
{
|
|
local _loaded _mod _opt _re
|
|
|
|
while getopts "e:m:" _opt; do
|
|
case "$_opt" in
|
|
e) _re="$OPTARG" ;;
|
|
m) _mod="$OPTARG" ;;
|
|
*) err 3 'USAGE: load_kld [-e regex] [-m module] file' ;;
|
|
esac
|
|
done
|
|
shift $(($OPTIND - 1))
|
|
if [ $# -ne 1 ]; then
|
|
err 3 'USAGE: load_kld [-e regex] [-m module] file'
|
|
fi
|
|
_mod=${_mod:-$1}
|
|
_loaded=false
|
|
if [ -n "$_re" ]; then
|
|
if kldstat -v | egrep -q -e "$_re"; then
|
|
_loaded=true
|
|
fi
|
|
else
|
|
if kldstat -q -m "$_mod"; then
|
|
_loaded=true
|
|
fi
|
|
fi
|
|
if ! $_loaded; then
|
|
if ! kldload "$1"; then
|
|
warn "Unable to load kernel module $1"
|
|
return 1
|
|
else
|
|
info "$1 kernel module loaded."
|
|
fi
|
|
else
|
|
debug "load_kld: $1 kernel module already loaded."
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# ltr str src dst
|
|
# Change every $src in $str to $dst.
|
|
# Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor
|
|
# awk(1).
|
|
ltr()
|
|
{
|
|
local _str _src _dst _out _com
|
|
_str=$1
|
|
_src=$2
|
|
_dst=$3
|
|
_out=""
|
|
|
|
IFS=${_src}
|
|
for _com in ${_str}; do
|
|
if [ -z "${_out}" ]; then
|
|
_out="${_com}"
|
|
else
|
|
_out="${_out}${_dst}${_com}"
|
|
fi
|
|
done
|
|
echo "${_out}"
|
|
}
|
|
|
|
# Creates a list of providers for GELI encryption.
|
|
geli_make_list()
|
|
{
|
|
local devices devices2
|
|
local provider mountpoint type options rest
|
|
|
|
# Create list of GELI providers from fstab.
|
|
while read provider mountpoint type options rest ; do
|
|
case ":${options}" in
|
|
:*noauto*)
|
|
noauto=yes
|
|
;;
|
|
*)
|
|
noauto=no
|
|
;;
|
|
esac
|
|
|
|
case ":${provider}" in
|
|
:#*)
|
|
continue
|
|
;;
|
|
*.eli)
|
|
# Skip swap devices.
|
|
if [ "${type}" = "swap" -o "${options}" = "sw" -o "${noauto}" = "yes" ]; then
|
|
continue
|
|
fi
|
|
devices="${devices} ${provider}"
|
|
;;
|
|
esac
|
|
done < /etc/fstab
|
|
|
|
# Append providers from geli_devices.
|
|
devices="${devices} ${geli_devices}"
|
|
|
|
for provider in ${devices}; do
|
|
provider=${provider%.eli}
|
|
provider=${provider#/dev/}
|
|
devices2="${devices2} ${provider}"
|
|
done
|
|
|
|
echo ${devices2}
|
|
}
|
|
|
|
# Find scripts in local_startup directories that use the old syntax
|
|
#
|
|
find_local_scripts_old () {
|
|
zlist=''
|
|
slist=''
|
|
for dir in ${local_startup}; do
|
|
if [ -d "${dir}" ]; then
|
|
for file in ${dir}/[0-9]*.sh; do
|
|
grep '^# PROVIDE:' $file >/dev/null 2>&1 &&
|
|
continue
|
|
zlist="$zlist $file"
|
|
done
|
|
for file in ${dir}/[^0-9]*.sh; do
|
|
grep '^# PROVIDE:' $file >/dev/null 2>&1 &&
|
|
continue
|
|
slist="$slist $file"
|
|
done
|
|
fi
|
|
done
|
|
}
|
|
|
|
find_local_scripts_new () {
|
|
local_rc=''
|
|
for dir in ${local_startup}; do
|
|
if [ -d "${dir}" ]; then
|
|
for file in `grep -l '^# PROVIDE:' ${dir}/* 2>/dev/null`; do
|
|
case "$file" in
|
|
*.sample) ;;
|
|
*) if [ -x "$file" ]; then
|
|
local_rc="${local_rc} ${file}"
|
|
fi
|
|
;;
|
|
esac
|
|
done
|
|
fi
|
|
done
|
|
}
|
|
|
|
# check_required_{before|after} command
|
|
# Check for things required by the command before and after its precmd,
|
|
# respectively. The two separate functions are needed because some
|
|
# conditions should prevent precmd from being run while other things
|
|
# depend on precmd having already been run.
|
|
#
|
|
check_required_before()
|
|
{
|
|
local _f
|
|
|
|
case "$1" in
|
|
start)
|
|
for _f in $required_vars; do
|
|
if ! checkyesno $_f; then
|
|
warn "\$${_f} is not enabled."
|
|
if [ -z "$rc_force" ]; then
|
|
return 1
|
|
fi
|
|
fi
|
|
done
|
|
|
|
for _f in $required_dirs; do
|
|
if [ ! -d "${_f}/." ]; then
|
|
warn "${_f} is not a directory."
|
|
if [ -z "$rc_force" ]; then
|
|
return 1
|
|
fi
|
|
fi
|
|
done
|
|
|
|
for _f in $required_files; do
|
|
if [ ! -r "${_f}" ]; then
|
|
warn "${_f} is not readable."
|
|
if [ -z "$rc_force" ]; then
|
|
return 1
|
|
fi
|
|
fi
|
|
done
|
|
;;
|
|
esac
|
|
|
|
return 0
|
|
}
|
|
|
|
check_required_after()
|
|
{
|
|
local _f _args
|
|
|
|
case "$1" in
|
|
start)
|
|
for _f in $required_modules; do
|
|
case "${_f}" in
|
|
*~*) _args="-e ${_f#*~} ${_f%%~*}" ;;
|
|
*:*) _args="-m ${_f#*:} ${_f%%:*}" ;;
|
|
*) _args="${_f}" ;;
|
|
esac
|
|
if ! load_kld ${_args}; then
|
|
if [ -z "$rc_force" ]; then
|
|
return 1
|
|
fi
|
|
fi
|
|
done
|
|
;;
|
|
esac
|
|
|
|
return 0
|
|
}
|
|
|
|
fi
|
|
|
|
_rc_subr_loaded=:
|