Import openresolv-3.8.0 with the following changes:
* init system detection moved from configure into resolvconf. * Fixed multiple domains not bein separated correctly.
This commit is contained in:
roy
parent
79169177cf
commit
917ddb683c
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@ -1,5 +1,5 @@
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#!/bin/sh
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# Copyright (c) 2007-2012 Roy Marples
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# Copyright (c) 2007-2016 Roy Marples
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# All rights reserved
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# dnsmasq subscriber for resolvconf
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@ -37,7 +37,6 @@ NL="
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[ -s "$dnsmasq_pid" ] || dnsmasq_pid=/var/run/dnsmasq/dnsmasq.pid
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[ -s "$dnsmasq_pid" ] || unset dnsmasq_pid
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: ${dnsmasq_service:=dnsmasq}
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: ${dnsmasq_restart:=@RESTARTCMD ${dnsmasq_service}@}
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newconf="# Generated by resolvconf$NL"
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newresolv="$newconf"
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@ -180,7 +179,15 @@ if [ -n "$dnsmasq_resolv" ]; then
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fi
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if $changed; then
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eval $dnsmasq_restart
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# dnsmasq does not re-read the configuration file on SIGHUP
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if [ -n "$dnsmasq_restart" ]; then
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eval $dnsmasq_restart
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elif [ -n "$RESTARTCMD" ]; then
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set -- ${dnsmasq_service}
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eval $RESTARTCMD
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else
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@SBINDIR@/resolvconf -r ${dnsmasq_service}
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fi
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fi
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if $dbus; then
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if [ -s "$dnsmasq_pid" ]; then
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@ -1,5 +1,5 @@
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#!/bin/sh
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# Copyright (c) 2007-2014 Roy Marples
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# Copyright (c) 2007-2016 Roy Marples
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# All rights reserved
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# libc subscriber for resolvconf
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@ -97,7 +97,6 @@ elif [ -d "$SYSCONFDIR"/resolvconf ]; then
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fi
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: ${resolv_conf:=/etc/resolv.conf}
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: ${libc_service:=nscd}
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: ${libc_restart:=@RESTARTCMD ${libc_service}@}
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: ${list_resolv:=@SBINDIR@/resolvconf -l}
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if [ "${resolv_conf_head-x}" = x -a -f "$SYSCONFDIR"/resolv.conf.head ]; then
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resolv_conf_head="$(cat "${SYSCONFDIR}"/resolv.conf.head)"
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@ -229,7 +228,14 @@ fi
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# Create our resolv.conf now
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(umask 022; printf %s "$newconf" >"$resolv_conf")
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eval $libc_restart
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if [ -n "$libc_restart" ]; then
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eval $libc_restart
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elif [ -n "$RESTARTCMD" ]; then
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set -- ${libc_service}
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eval $RESTARTCMD
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else
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@SBINDIR@/resolvconf -r ${libc_service}
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fi
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retval=0
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# Notify users of the resolver
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@ -1,5 +1,5 @@
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#!/bin/sh
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# Copyright (c) 2007-2012 Roy Marples
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# Copyright (c) 2007-2016 Roy Marples
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# All rights reserved
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# named subscriber for resolvconf
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@ -35,18 +35,22 @@ NL="
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# Platform specific kludges
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if [ -z "$named_service" -a -z "$named_restart" -a \
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-d "@RCDIR@" -a ! -x "@RCDIR@"/named ]
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-d "$RCDIR" -a ! -x "$RCDIR"/named ]
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then
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if [ -x "@RCDIR@"/bind9 ]; then
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if [ -x "$RCDIR"/bind9 ]; then
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# Debian and derivatives
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named_service=bind9
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elif [ -x "@RCDIR@"/rc.bind ]; then
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elif [ -x "$RCDIR"/rc.bind ]; then
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# Slackware
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named_service=rc.bind
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fi
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fi
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: ${named_service:=named}
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: ${named_restart:=@RESTARTCMD ${named_service}@}
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: ${named_pid:=/var/run/$named_service.pid}
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[ -s "$named_pid" ] || named_pid=/var/run/$named_service/$named_service.pid
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[ -s "$named_pid" ] || unset named_pid
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newoptions="# Generated by resolvconf$NL"
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newzones="$newoptions"
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@ -101,6 +105,14 @@ if [ -n "$named_zones" ]; then
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fi
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fi
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# named does not seem to work with SIGHUP which is a same
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if $changed; then
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eval $named_restart
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if [ -n "$named_restart" ]; then
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eval $named_restart
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elif [ -n "$RESTARTCMD" ]; then
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set -- ${named_service}
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eval $RESTARTCMD
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else
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@SBINDIR@/resolvconf -r ${named_service}
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fi
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fi
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@ -1,4 +1,4 @@
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.\" Copyright (c) 2007-2015 Roy Marples
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.\" Copyright (c) 2007-2016 Roy Marples
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.\" All rights reserved
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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@ -22,7 +22,7 @@
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd April 27, 2015
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.Dd February 23, 2016
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.Dt RESOLVCONF 8
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.Os
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.Sh NAME
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@ -125,24 +125,28 @@ file(s) for all the
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on the
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.Ar interface .
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.Pp
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Here are some more options that
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.Nm
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has:-
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Here are some options for the above commands:-
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.Bl -tag -width indent
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.It Fl I
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Initialise the state directory
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.Pa @VARDIR@ .
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This only needs to be called if the initial system boot sequence does not
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automatically clean it out; for example the state directory is moved
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somewhere other than
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.Pa /var/run .
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If used, it should only be called once as early in the system boot sequence
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as possible and before
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.Nm
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is used to add interfaces.
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.It Fl f
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Ignore non existant interfaces.
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Only really useful for deleting interfaces.
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.It Fl m Ar metric
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Set the metric of the interface when adding it, default of 0.
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Lower metrics take precedence.
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This affects the default order of interfaces when listed.
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.It Fl p
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Marks the interface
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.Pa resolv.conf
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as private.
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.It Fl x
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Mark the interface
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.Pa resolv.conf
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as exclusive when adding, otherwise only use the latest exclusive interface.
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.El
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.Pp
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.Nm
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has some more commands for general usage:-
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.Bl -tag -width indent
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.It Fl i Ar pattern
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List the interfaces and protocols, optionally matching
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.Ar pattern ,
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@ -157,14 +161,6 @@ If
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.Ar pattern
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is specified then we list the files for the interfaces and protocols
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that match it.
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.It Fl m Ar metric
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Set the metric of the interface when adding it, default of 0.
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Lower metrics take precedence.
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This affects the default order of interfaces when listed.
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.It Fl p
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Marks the interface
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.Pa resolv.conf
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as private.
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.It Fl u
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Force
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.Nm
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@ -172,15 +168,31 @@ to update all its subscribers.
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.Nm
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does not update the subscribers when adding a resolv.conf that matches
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what it already has for that interface.
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.It Fl x
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Mark the interface
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.Pa resolv.conf
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as exclusive when adding, otherwise only use the latest exclusive interface.
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.El
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.Pp
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.Nm
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also has some options designed to be used by its subscribers:-
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also has some commands designed to be used by it's subscribers and
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system startup:-
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.Bl -tag -width indent
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.It Fl I
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Initialise the state directory
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.Pa @VARDIR@ .
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This only needs to be called if the initial system boot sequence does not
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automatically clean it out; for example the state directory is moved
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somewhere other than
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.Pa /var/run .
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If used, it should only be called once as early in the system boot sequence
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as possible and before
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.Nm
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is used to add interfaces.
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.It Fl R
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Echo the command used to restart a service.
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.It Fl r Ar service
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If the
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.Ar service
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is running then restart it.
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If the service does not exist or is not running then zero is returned,
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otherwise the result of restarting the service.
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.It Fl v
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Echo variables DOMAINS, SEARCH and NAMESERVERS so that the subscriber can
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configure the resolver easily.
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@ -22,7 +22,7 @@
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd February 21, 2016
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.Dd February 23, 2016
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.Dt RESOLVCONF.CONF 5
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.Os
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.Sh NAME
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@ -284,23 +284,23 @@ variables, documented below.
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.Pp
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.Bl -tag -width indent
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.It Sy dnsmasq_service
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Location of the dnsmasq service.
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Name of the dnsmasq service.
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.It Sy dnsmasq_restart
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Command to restart the dnsmasq service.
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.It Sy dnsmasq_pid
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Location of the dnsmasq pidfile.
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.It Sy libc_service
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Location of the libc service.
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Name of the libc service.
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.It Sy libc_restart
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Command to restart the libc service.
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.It Sy named_service
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Location of the named service.
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Name of the named service.
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.It Sy named_restart
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Command to restart the named service.
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.It Sy pdnsd_restart
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Command to restart the pdnsd service.
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.It Sy unbound_service
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Location of the unbound service.
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Name of the unbound service.
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.It Sy unbound_restart
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Command to restart the unbound service.
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.It Sy unbound_pid
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@ -25,9 +25,12 @@
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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RESOLVCONF="$0"
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OPENRESOLV_VERSION="3.8.0"
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SYSCONFDIR=@SYSCONFDIR@
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LIBEXECDIR=@LIBEXECDIR@
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VARDIR=@VARDIR@
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RCDIR=@RCDIR@
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RESTARTCMD=@RESTARTCMD@
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# Disregard dhcpcd setting
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unset interface_order state_dir
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@ -71,55 +74,45 @@ error_exit()
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usage()
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{
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cat <<-EOF
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Usage: ${RESOLVCONF##*/} [options]
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Usage: ${RESOLVCONF##*/} [options] command [argument]
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Inform the system about any DNS updates.
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Options:
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Commands:
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-a \$INTERFACE Add DNS information to the specified interface
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(DNS supplied via stdin in resolv.conf format)
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-m metric Give the added DNS information a metric
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-p Mark the interface as private
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-x Mark the interface as exclusive
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-d \$INTERFACE Delete DNS information from the specified interface
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-f Ignore non existant interfaces
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-I Init the state dir
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-u Run updates from our current DNS information
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-l [\$PATTERN] Show DNS information, optionally from interfaces
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that match the specified pattern
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-h Show this help cruft
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-i [\$PATTERN] Show interfaces that have supplied DNS information
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optionally from interfaces that match the specified
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pattern
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-l [\$PATTERN] Show DNS information, optionally from interfaces
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that match the specified pattern
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-u Run updates from our current DNS information
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Options:
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-f Ignore non existant interfaces
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-m metric Give the added DNS information a metric
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-p Mark the interface as private
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-x Mark the interface as exclusive
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Subscriber and System Init Commands:
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-I Init the state dir
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-r \$SERVICE Restart the system service
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(restarting a non-existent or non-running service
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should have no output and return 0)
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-R Show the system service restart command
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-v [\$PATTERN] echo NEWDOMAIN, NEWSEARCH and NEWNS variables to
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the console
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-h Show this help cruft
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-V [\$PATTERN] Same as -v, but only uses configuration in
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$SYSCONFDIR/resolvconf.conf
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EOF
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[ -z "$1" ] && exit 0
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echo
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error_exit "$*"
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}
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echo_resolv()
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{
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local line= OIFS="$IFS"
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[ -n "$1" -a -f "$IFACEDIR/$1" ] || return 1
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echo "# resolv.conf from $1"
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# Our variable maker works of the fact each resolv.conf per interface
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# is separated by blank lines.
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# So we remove them when echoing them.
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while read -r line; do
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IFS="$OIFS"
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if [ -n "$line" ]; then
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# We need to set IFS here to preserve any whitespace
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IFS=''
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printf "%s\n" "$line"
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fi
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done < "$IFACEDIR/$1"
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echo
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IFS="$OIFS"
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}
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# Strip any trailing dot from each name as a FQDN does not belong
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# in resolv.conf(5)
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# If you think otherwise, capture a DNS trace and you'll see libc
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@ -127,10 +120,11 @@ echo_resolv()
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# This also solves setting up duplicate zones in our subscribers.
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strip_trailing_dots()
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{
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local n=
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local n= d=
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for n; do
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printf "%s" "${n%.}"
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printf "$d%s" "${n%.}"
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d=" "
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done
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printf "\n"
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}
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@ -260,6 +254,108 @@ config_mkdirs()
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return $e
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}
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# With the advent of alternative init systems, it's possible to have
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# more than one installed. So we need to try and guess what one we're
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# using unless overriden by configure.
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# Note that restarting a service is a last resort - the subscribers
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# should make a reasonable attempt to reconfigre the service via some
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# method, normally SIGHUP.
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detect_init()
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{
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[ -n "$RESTARTCMD" ] && return 0
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# Detect the running init system.
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# As systemd and OpenRC can be installed on top of legacy init
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# systems we try to detect them first.
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local status="@STATUSARG@"
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: ${status:=status}
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if [ -x /bin/systemctl -a -S /run/systemd/private ]; then
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RESTARTCMD="if /bin/systemctl --quiet is-active; then
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/bin/systemctl restart \$1.service;
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fi"
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elif [ -x /usr/bin/systemctl -a -S /run/systemd/private ]; then
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RESTARTCMD="if /usr/bin/systemctl --quiet is-active; then
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/usr/bin/systemctl restart \$1.service;
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fi"
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elif [ -x /sbin/rc-service -a \
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-s /libexec/rc/init.d/softlevel -o -s /run/openrc/softlevel ]
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then
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RESTARTCMD="/sbin/rc-service -i \$1 -- -Ds restart"
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elif [ -x /usr/sbin/invoke-rc.d ]; then
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RCDIR=/etc/init.d
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RESTARTCMD="if /usr/sbin/invoke-rc.d --quiet \$1 status 1>/dev/null 2>&1; then
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/usr/sbin/invoke-rc.d \$1 restart;
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fi"
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elif [ -x /sbin/service ]; then
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# Old RedHat
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RCDIR=/etc/init.d
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RESTARTCMD="if /sbin/service \$1; then
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/sbin/service \$1 restart;
|
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fi"
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elif [ -x /usr/sbin/service ]; then
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# Could be FreeBSD
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RESTARTCMD="if /usr/sbin/service \$1 $status 1>/dev/null 2>&1; then
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/usr/sbin/service \$1 restart;
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fi"
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elif [ -x /bin/sv ]; then
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RESTARTCMD="/bin/sv try-restart \$1"
|
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elif [ -x /usr/bin/sv ]; then
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RESTARTCMD="/usr/bin/sv try-restart \$1"
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elif [ -e /etc/arch-release -a -d /etc/rc.d ]; then
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RCDIR=/etc/rc.d
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RESTARTCMD="if [ -e /var/run/daemons/\$1 ]; then
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/etc/rc.d/\$1 restart;
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fi"
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elif [ -e /etc/slackware-version -a -d /etc/rc.d ]; then
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RESTARTCMD="if /etc/rc.d/rc.\$1 status 1>/dev/null 2>&1; then
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/etc/rc.d/rc.\$1 restart;
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fi"
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elif [ -e /etc/rc.d/rc.subr -a -d /etc/rc.d ]; then
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# OpenBSD
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RESTARTCMD="if /etc/rc.d/\$1 check 1>/dev/null 2>&1; then
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/etc/rc.d/\$1 restart;
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fi"
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else
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for x in /etc/init.d/rc.d /etc/rc.d /etc/init.d; do
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[ -d $x ] || continue
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RESTARTCMD="if $x/\$1 $status 1>/dev/null 2>&1; then
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$x/\$1 restart;
|
||||
fi"
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break
|
||||
done
|
||||
fi
|
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|
||||
if [ -z "$RESTARTCMD" ]; then
|
||||
if [ "$NOINIT_WARNED" != true ]; then
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warn "could not detect a useable init system"
|
||||
_NOINIT_WARNED=true
|
||||
fi
|
||||
return 1
|
||||
fi
|
||||
_NOINIT_WARNED=
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||||
return 0
|
||||
}
|
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|
||||
echo_resolv()
|
||||
{
|
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local line= OIFS="$IFS"
|
||||
|
||||
[ -n "$1" -a -f "$IFACEDIR/$1" ] || return 1
|
||||
echo "# resolv.conf from $1"
|
||||
# Our variable maker works of the fact each resolv.conf per interface
|
||||
# is separated by blank lines.
|
||||
# So we remove them when echoing them.
|
||||
while read -r line; do
|
||||
IFS="$OIFS"
|
||||
if [ -n "$line" ]; then
|
||||
# We need to set IFS here to preserve any whitespace
|
||||
IFS=''
|
||||
printf "%s\n" "$line"
|
||||
fi
|
||||
done < "$IFACEDIR/$1"
|
||||
IFS="$OIFS"
|
||||
}
|
||||
|
||||
list_resolv()
|
||||
{
|
||||
[ -d "$IFACEDIR" ] || return 0
|
||||
|
|
@ -319,6 +415,7 @@ list_resolv()
|
|||
|
||||
cd "$IFACEDIR"
|
||||
retval=1
|
||||
excl=true
|
||||
for i in $(uniqify $list); do
|
||||
# Only list interfaces which we really have
|
||||
if ! [ -f "$i" ]; then
|
||||
|
|
@ -333,6 +430,7 @@ list_resolv()
|
|||
printf %s "$i "
|
||||
else
|
||||
echo_resolv "$i"
|
||||
echo
|
||||
fi
|
||||
[ $? = 0 -a "$retval" = 1 ] && retval=0
|
||||
done
|
||||
|
|
@ -498,7 +596,7 @@ make_vars()
|
|||
|
||||
force=false
|
||||
VFLAG=
|
||||
while getopts a:Dd:fhIilm:puvVx OPT; do
|
||||
while getopts a:Dd:fhIilm:pRruvVx OPT; do
|
||||
case "$OPT" in
|
||||
f) force=true;;
|
||||
h) usage;;
|
||||
|
|
@ -540,6 +638,18 @@ if [ "$cmd" = l -o "$cmd" = i ]; then
|
|||
exit $?
|
||||
fi
|
||||
|
||||
# Restart a service or echo the command to restart a service
|
||||
if [ "$cmd" = r -o "$cmd" = R ]; then
|
||||
detect_init || exit 1
|
||||
if [ "$cmd" = r ]; then
|
||||
set -- $args
|
||||
eval $RESTARTCMD
|
||||
else
|
||||
echo "$RESTARTCMD"
|
||||
fi
|
||||
exit $?
|
||||
fi
|
||||
|
||||
# Not normally needed, but subscribers should be able to run independently
|
||||
if [ "$cmd" = v -o -n "$VFLAG" ]; then
|
||||
make_vars "$iface"
|
||||
|
|
@ -764,6 +874,10 @@ case "${resolvconf:-YES}" in
|
|||
*) exit 0;;
|
||||
esac
|
||||
|
||||
# Try and detect a suitable init system for our scripts
|
||||
detect_init
|
||||
export RESTARTCMD RCDIR _NOINIT_WARNED
|
||||
|
||||
eval "$(make_vars)"
|
||||
export RESOLVCONF DOMAINS SEARCH NAMESERVERS LOCALNAMESERVERS
|
||||
: ${list_resolv:=list_resolv -l}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
#!/bin/sh
|
||||
# Copyright (c) 2009-2014 Roy Marples
|
||||
# Copyright (c) 2009-2016 Roy Marples
|
||||
# All rights reserved
|
||||
|
||||
# unbound subscriber for resolvconf
|
||||
|
|
@ -37,7 +37,6 @@ NL="
|
|||
|
||||
: ${unbound_pid:=/var/run/unbound.pid}
|
||||
: ${unbound_service:=unbound}
|
||||
: ${unbound_restart:=@RESTARTCMD ${unbound_service}@}
|
||||
newconf="# Generated by resolvconf$NL"
|
||||
|
||||
for d in $DOMAINS; do
|
||||
|
|
@ -71,6 +70,18 @@ else
|
|||
@SBINDIR@/resolvconf -D "$unbound_conf"
|
||||
fi
|
||||
|
||||
restart_unbound()
|
||||
{
|
||||
if [ -n "$unbound_restart" ]; then
|
||||
eval $unbound_restart
|
||||
elif [ -n "$RESTARTCMD" ]; then
|
||||
set -- ${unbound_service}
|
||||
eval $RESTARTCMD
|
||||
else
|
||||
@SBINDIR@/resolvconf -r ${unbound_service}
|
||||
fi
|
||||
}
|
||||
|
||||
if [ ! -f "$unbound_conf" ] || \
|
||||
[ "$(cat "$unbound_conf")" != "$(printf %s "$newconf")" ]
|
||||
then
|
||||
|
|
@ -78,9 +89,9 @@ then
|
|||
# If we can't sent a HUP then force a restart
|
||||
if [ -s "$unbound_pid" ]; then
|
||||
if ! kill -HUP $(cat "$unbound_pid") 2>/dev/null; then
|
||||
eval $unbound_restart
|
||||
restart_unbound
|
||||
fi
|
||||
else
|
||||
eval $unbound_restart
|
||||
restart_unbound
|
||||
fi
|
||||
fi
|
||||
|
|
|
|||
Loading…
Reference in New Issue