This is the initial release of luci-pbx as submitted to the mailing list.

1 files changed, 638 insertions, 0 deletions

diff --git a/applications/luci-pbx/root/etc/init.d/pbx-asterisk b/applications/luci-pbx/root/etc/init.d/pbx-asterisk
new file mode 100644
index 000000000..d96eb4f08
--- /dev/null
+++ b/applications/luci-pbx/root/etc/init.d/pbx-asterisk
@@ -0,0 +1,638 @@
+#!/bin/sh /etc/rc.common
+#
+# Copyright 2011 Iordan Iordanov <iiordanov (AT) gmail.com>
+#
+#    This file is part of luci-pbx.
+#
+#    luci-pbx is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    luci-pbx is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with luci-pbx.  If not, see <http://www.gnu.org/licenses/>.
+
+. /etc/functions.sh
+
+START=60
+
+# Some global variables
+MODULENAME=pbx
+USERAGENT="PBX"
+DEFAULTOUTCNTXT=default-outgoing-call-context
+HANGUPCNTXT=hangup
+GTALKUNVL=unavailable
+
+ASTUSER=nobody
+ASTGROUP=nogroup
+ASTDIRSRECURSIVE="/var/run/asterisk /var/log/asterisk /var/spool/asterisk"
+ASTDIRS="/usr/lib/asterisk"
+
+FIREWALL_PATH="/etc/asterisk/firewall.$MODULENAME"
+
+TEMPLATEDIR=/etc/${MODULENAME}-asterisk
+ASTERISKDIR=/etc/asterisk
+WORKDIR=/tmp/$MODULENAME.$$
+MD5SUMSFILE=/tmp/$MODULENAME-sums.$$
+
+TMPL_ASTERISK=$TEMPLATEDIR/asterisk.conf.TEMPLATE
+TMPL_GTALK=$TEMPLATEDIR/gtalk.conf.TEMPLATE
+TMPL_INDICATIONS=$TEMPLATEDIR/indications.conf.TEMPLATE
+TMPL_LOGGER=$TEMPLATEDIR/logger.conf.TEMPLATE
+TMPL_MANAGER=$TEMPLATEDIR/manager.conf.TEMPLATE
+TMPL_MODULES=$TEMPLATEDIR/modules.conf.TEMPLATE
+TMPL_RTP=$TEMPLATEDIR/rtp.conf.TEMPLATE
+
+TMPL_EXTCTHRUCHECKHDR=$TEMPLATEDIR/extensions_disa-check_header.conf.TEMPLATE
+TMPL_EXTCTHRUCHECK=$TEMPLATEDIR/extensions_disa-check.conf.TEMPLATE
+TMPL_EXTCTHRUCHECKFTR=$TEMPLATEDIR/extensions_disa-check_footer.conf.TEMPLATE
+TMPL_EXTCTHRUHDR=$TEMPLATEDIR/extensions_disa_header.conf.TEMPLATE
+TMPL_EXTCTHRU=$TEMPLATEDIR/extensions_disa.conf.TEMPLATE
+
+TMPL_EXTENSIONS=$TEMPLATEDIR/extensions.conf.TEMPLATE
+
+TMPL_EXTBLKLIST=$TEMPLATEDIR/extensions_blacklist.conf.TEMPLATE
+TMPL_EXTBLKLISTFTR=$TEMPLATEDIR/extensions_blacklist_footer.conf.TEMPLATE
+TMPL_EXTBLKLISTHDR=$TEMPLATEDIR/extensions_blacklist_header.conf.TEMPLATE
+
+TMPL_EXTINCNTXTSIP=$TEMPLATEDIR/extensions_incoming_context_sip.conf.TEMPLATE
+TMPL_EXTINCNTXTGTALKHDR=$TEMPLATEDIR/extensions_incoming_context_gtalk_header.conf.TEMPLATE
+TMPL_EXTINCNTXTGTALK=$TEMPLATEDIR/extensions_incoming_context_gtalk.conf.TEMPLATE
+
+TMPL_EXTUSERCNTXT=$TEMPLATEDIR/extensions_user_context.conf.TEMPLATE
+TMPL_EXTUSERCNTXTFTR=$TEMPLATEDIR/extensions_user_context_footer.conf.TEMPLATE
+TMPL_EXTUSERCNTXTHDR=$TEMPLATEDIR/extensions_user_context_header.conf.TEMPLATE
+
+TMPL_EXTOUTHDR=$TEMPLATEDIR/extensions_default_outgoing_header.conf.TEMPLATE
+TMPL_EXTOUTGTALK=$TEMPLATEDIR/extensions_outgoing_gtalk.conf.TEMPLATE
+TMPL_EXTOUTLOCAL=$TEMPLATEDIR/extensions_outgoing_dial_local_user.conf.TEMPLATE
+TMPL_EXTOUTSIP=$TEMPLATEDIR/extensions_outgoing_sip.conf.TEMPLATE
+
+TMPL_FIREWALL=$TEMPLATEDIR/firewall.$MODULENAME.TEMPLATE
+TMPL_JABBER=$TEMPLATEDIR/jabber.conf.TEMPLATE
+TMPL_JABBERUSER=$TEMPLATEDIR/jabber_users.conf.TEMPLATE
+TMPL_SIP=$TEMPLATEDIR/sip.conf.TEMPLATE
+TMPL_SIPPEER=$TEMPLATEDIR/sip_peer.TEMPLATE
+TMPL_SIPREG=$TEMPLATEDIR/sip_registration.TEMPLATE
+TMPL_SIPUSR=$TEMPLATEDIR/sip_user.TEMPLATE
+
+INCLUDED_FILES="$WORKDIR/extensions_blacklist.conf $WORKDIR/extensions_callthrough.conf\
+                $WORKDIR/extensions_incoming.conf  $WORKDIR/extensions_incoming_gtalk.conf\
+                $WORKDIR/extensions_user.conf      $WORKDIR/jabber_users.conf\
+                $WORKDIR/sip_peers.conf            $WORKDIR/sip_registrations.conf\
+                $WORKDIR/sip_users.conf"
+
+
+# In this string, we concatenate all local users enabled to receive calls
+# readily formatted for the Dial command.
+localusers_to_ring=""
+# In this string, we keep a list of all users that are enabled for outgoing
+# calls. It is used at the end to create the user contexts.
+localusers_can_dial=""
+
+# In this string, we put together a space-separated list of provider names
+# (alphanumeric, with all non-alpha characters replaced with underscores),
+# which will be used to dial out by default (whose outgoing contexts will
+# be included in users' contexts by default.
+outbound_providers=""
+
+# Copies the template files which we don't edit.
+copy_unedited_templates_over()
+{
+	cp $TMPL_ASTERISK    $WORKDIR/asterisk.conf
+	cp $TMPL_GTALK       $WORKDIR/gtalk.conf
+	cp $TMPL_INDICATIONS $WORKDIR/indications.conf
+        cp $TMPL_LOGGER      $WORKDIR/logger.conf
+	cp $TMPL_MANAGER     $WORKDIR/manager.conf
+	cp $TMPL_MODULES     $WORKDIR/modules.conf
+}
+
+# Touches all the included files, to prevent asterisk from refusing to
+# start if a config item is missing and an included config file isn't created.
+create_included_files()
+{
+    touch $INCLUDED_FILES
+}
+
+# Puts together all the extensions.conf related configuration.
+pbx_create_extensions_config()
+{
+	sed "s/|LOCALUSERS|/$localusers_to_ring/g" $TMPL_EXTENSIONS > $WORKDIR/extensions.conf
+	mv  $WORKDIR/inext.TMP                         $WORKDIR/extensions_incoming.conf
+	cp  $TMPL_EXTINCNTXTGTALKHDR                   $WORKDIR/extensions_incoming_gtalk.conf
+	cat $WORKDIR/outextgtalk.TMP                >> $WORKDIR/extensions_incoming_gtalk.conf 2>/dev/null
+	rm -f $WORKDIR/outextgtalk.TMP
+	mv  $WORKDIR/blacklist.TMP                     $WORKDIR/extensions_blacklist.conf
+	mv  $WORKDIR/userext.TMP                       $WORKDIR/extensions_user.conf
+	cp  $TMPL_EXTCTHRUHDR                          $WORKDIR/extensions_callthrough.conf
+	cat $WORKDIR/callthrough.TMP                >> $WORKDIR/extensions_callthrough.conf 2>/dev/null
+	rm -f $WORKDIR/callthrough.TMP
+	cat $TMPL_EXTCTHRUCHECKHDR                  >> $WORKDIR/extensions_callthrough.conf 2>/dev/null
+	cat $WORKDIR/callthroughcheck.TMP           >> $WORKDIR/extensions_callthrough.conf 2>/dev/null
+	rm -f $WORKDIR/callthroughcheck.TMP
+	cat $TMPL_EXTCTHRUCHECKFTR                  >> $WORKDIR/extensions_callthrough.conf 2>/dev/null
+	rm -f $WORKDIR/outext-*.TMP
+	rm -f $WORKDIR/localext.TMP
+}
+
+# Puts together all the sip.conf related configuration.
+pbx_create_sip_config()
+{
+	mv $WORKDIR/sip_regs.TMP    $WORKDIR/sip_registrations.conf
+	mv $WORKDIR/sip_peers.TMP   $WORKDIR/sip_peers.conf
+	mv $WORKDIR/sip_users.TMP   $WORKDIR/sip_users.conf
+}
+
+# Creates the jabber.conf related config
+pbx_create_jabber_config()
+{
+	cp  $TMPL_JABBER        $WORKDIR/jabber.conf
+	mv  $WORKDIR/jabber.TMP $WORKDIR/jabber_users.conf
+}
+
+# Gets rid of any config files from $ASTERISKDIR not found in $WORKDIR.
+clean_up_asterisk_config_dir()
+{
+        for f in $ASTERISKDIR/* ; do
+                basef="`basename $f`"
+                if [ ! -e "$WORKDIR/$basef" ] ; then
+                        rm -rf "$f"
+                fi
+        done
+}
+
+# Compares md5sums of the config files in $WORKDIR to those
+# in $ASTERISKDIR, and copies only changed files over to reduce
+# wear on flash in embedded devices.
+compare_configs_and_copy_changed()
+{
+	# First, compute md5sums of the config files in $WORKDIR.
+	cd $WORKDIR/
+	md5sum * > $MD5SUMSFILE
+
+	# Now, check the files in $ASTERISKDIR against the md5sums.
+	cd $ASTERISKDIR/
+	changed_files="`md5sum -c $MD5SUMSFILE 2>/dev/null | fgrep ": FAILED" | awk -F: '{print $1}'`"
+
+	rm -f $MD5SUMSFILE
+
+	[ -z "$changed_files" ] && return
+
+	# Now copy over the changed files.
+	for f in $changed_files ; do
+		cp "$WORKDIR/$f" "$ASTERISKDIR/$f"
+	done
+}
+
+# Calls the functions that create the final config files
+# Calls the function which compares which files have changed
+# Puts the final touches on $ASTERISKDIR
+# Gets rid of $WORKDIR
+pbx_assemble_and_copy_config()
+{
+	mkdir -p $ASTERISKDIR
+
+	copy_unedited_templates_over
+	create_included_files
+	pbx_create_extensions_config
+	pbx_create_sip_config
+	pbx_create_jabber_config
+
+	touch    $WORKDIR/features.conf
+
+	# At this point, $WORKDIR should contain a complete, working config.
+	clean_up_asterisk_config_dir
+
+	compare_configs_and_copy_changed
+
+	[ ! -d $ASTERISKDIR/manager.d ] && mkdir -p $ASTERISKDIR/manager.d/
+
+	# Get rid of the working directory
+	rm -rf $WORKDIR/
+}
+
+# Creates configuration for a user and adds it to the temporary file that holds
+# all users configured so far.
+pbx_add_user()
+{
+	local fullname
+	local defaultuser
+	local secret
+	local ring
+	local can_call
+
+	config_get fullname $1 fullname
+	config_get defaultuser $1 defaultuser
+	config_get secret $1 secret
+	config_get ring $1 ring
+	config_get can_call $1 can_call
+
+	[ -z "$defaultuser" -o -z "$secret" ] && return
+	[ -z "$fullname" ] && fullname="$defaultuser"
+
+	sed "s/|DEFAULTUSER|/$defaultuser/g" $TMPL_SIPUSR > $WORKDIR/sip_user.tmp
+
+	if [ "$can_call" = "yes" ] ; then
+		# Add user to list of all users that are allowed to make calls.
+		localusers_can_dial="$localusers_can_dial $defaultuser"
+		sed -i "s/|CONTEXTNAME|/$defaultuser/g"     $WORKDIR/sip_user.tmp
+	else
+		sed -i "s/|CONTEXTNAME|/$HANGUPCNTXT/g"     $WORKDIR/sip_user.tmp
+	fi
+
+	# Add this user's configuration to the temp file containing all user configs.
+	sed "s/|FULLNAME|/$fullname/" $WORKDIR/sip_user.tmp |\
+	     sed "s/|SECRET|/$secret/g"                  >> $WORKDIR/sip_users.TMP
+
+	if [ "$ring" = "yes" ] ; then
+		if [ -z "$localusers_to_ring" ] ; then
+			localusers_to_ring="SIP\/$defaultuser"
+		else
+			localusers_to_ring="$localusers_to_ring\&SIP\/$defaultuser"
+		fi
+	fi
+
+	# Add configuration which allows local users to call each other.
+	sed "s/|DEFAULTUSER|/$defaultuser/g" $TMPL_EXTOUTLOCAL >> $WORKDIR/localext.TMP
+
+	rm -f $WORKDIR/sip_user.tmp
+}
+
+# Creates configuration for a Google account, and adds it to the temporary file that holds
+# all accounts configured so far.
+# Also creates the outgoing extensions which are used in users' outgoing contexts.
+pbx_add_jabber()
+{
+	local username
+	local secret
+	local numprefix
+	local register
+	local make_outgoing_calls
+	local name
+	local users_to_ring
+	local status
+	local statusmessage
+
+	config_get username $1 username
+	config_get secret $1 secret
+	config_get numprefix $1 numprefix
+	config_get register $1 register
+	config_get make_outgoing_calls $1 make_outgoing_calls
+	config_get name $1 name
+	config_get status $1 status
+	config_get statusmessage $1 statusmessage
+
+	[ -z "$username" -o -z "$secret" ] && return
+
+	# Construct a jabber entry for this provider.
+	sed     "s/|USERNAME|/$username/g" $TMPL_JABBERUSER |\
+	    sed "s/|NAME|/$name/g"                            > $WORKDIR/jabber.tmp
+
+	if [ "$register" = yes ] ; then
+		# If this provider is enabled for incoming calls, we need to set the
+		# status of the user to something other than unavailable in order to receive calls.
+		sed -i "s/|STATUS|/$status/g"                   $WORKDIR/jabber.tmp
+		sed -i "s/|STATUSMESSAGE|/\"$statusmessage\"/g" $WORKDIR/jabber.tmp
+
+		users_to_ring="`uci -q get ${MODULENAME}-calls.incoming_calls.$name`"
+		# If no users have been specified to ring, we ring all users enabled for incoming calls.
+		if [ -z "$users_to_ring" ] ; then
+			users_to_ring=$localusers_to_ring
+		else
+		# Else, we cook up a string formatted for the Dial command
+		# with the specified users (SIP/user1&SIP/user2&...). We do it
+		# with set, shift and a loop in order to be more tolerant of ugly whitespace
+		# messes entered by users.
+			set $users_to_ring
+			users_to_ring="SIP\/$1" && shift
+			for u in $@ ; do users_to_ring=$users_to_ring\\\&SIP\\\/$u ; done
+		fi
+
+		# Now, we add this account to the gtalk incoming context.
+		sed    "s/|USERNAME|/$username/g" $TMPL_EXTINCNTXTGTALK |\
+		   sed "s/|LOCALUSERS|/$users_to_ring/g"    >> $WORKDIR/outextgtalk.TMP
+	else
+		sed -i "s/|STATUS|/$GTALKUNVL/g"               $WORKDIR/jabber.tmp
+		sed -i "s/|STATUSMESSAGE|/\"\"/g"              $WORKDIR/jabber.tmp
+	fi
+
+	# Add this account's configuration to the temp file containing all account configs.
+	sed "s/|SECRET|/$secret/g" $WORKDIR/jabber.tmp      >> $WORKDIR/jabber.TMP
+
+	# If this provider is enabled for outgoing calls.
+	if [ "$make_outgoing_calls" = "yes" ] ; then
+
+		numprefix="`uci -q get ${MODULENAME}-calls.outgoing_calls.$name`"
+
+		# If no prefixes are specified, then we use "X" which matches any prefix.
+		[ -z "$numprefix" ]  && numprefix="X"
+
+		for p in $numprefix ; do
+			sed "s/|NUMPREFIX|/$p/g" $TMPL_EXTOUTGTALK |\
+			    sed "s/|NAME|/$name/g"            >> $WORKDIR/outext-$name.TMP
+		done
+
+		# Add this provider to the list of enabled outbound providers.
+		if [ -z "$outbound_providers" ] ; then
+			outbound_providers="$name"
+		else
+			outbound_providers="$outbound_providers $name"
+		fi
+	fi
+
+	rm -f $WORKDIR/jabber.tmp
+}
+
+# Creates configuration for a SIP provider account, and adds it to the temporary file that holds
+# all accounts configured so far.
+# Also creates the outgoing extensions which are used in users' outgoing contexts.
+pbx_add_peer()
+{
+	local defaultuser
+	local secret
+	local host
+	local fromdomain
+	local register
+	local numprefix
+	local make_outgoing_calls
+	local name
+	local users_to_ring
+	local port
+	local outboundproxy
+
+	config_get defaultuser $1 defaultuser
+	config_get secret $1 secret
+	config_get host $1 host
+	config_get port $1 port
+	config_get outbountproxy $1 outboundproxy
+	config_get fromdomain $1 fromdomain
+	config_get register $1 register
+	config_get numprefix $1 numprefix
+	config_get make_outgoing_calls $1 make_outgoing_calls
+	config_get name $1 name
+
+	[ -z "$defaultuser" -o -z "$secret" -o -z "$host" ] && return
+	[ -z "$fromdomain" ]    && fromdomain=$host
+	[ -n "$port" ]          && port="port=$port"
+	[ -n "$outboundproxy" ] && outboundproxy="outboundproxy=$outboundproxy"
+
+	# Construct a sip peer entry for this provider.
+	sed    "s/|DEFAULTUSER|/$defaultuser/" $TMPL_SIPPEER  >  $WORKDIR/sip_peer.tmp
+	sed -i "s/|NAME|/$name/"                                 $WORKDIR/sip_peer.tmp
+	sed -i "s/|FROMUSER|/$defaultuser/"                      $WORKDIR/sip_peer.tmp
+	sed -i "s/|SECRET|/$secret/"                             $WORKDIR/sip_peer.tmp
+	sed -i "s/|HOST|/$host/"                                 $WORKDIR/sip_peer.tmp
+	sed -i "s/|PORT|/$port/"                                 $WORKDIR/sip_peer.tmp
+	sed -i "s/|OUTBOUNDPROXY|/$outboundproxy/"               $WORKDIR/sip_peer.tmp
+	# Add this account's configuration to the temp file containing all account configs.
+	sed    "s/|FROMDOMAIN|/$host/" $WORKDIR/sip_peer.tmp >>  $WORKDIR/sip_peers.TMP
+
+	# If this provider is enabled for incoming calls.
+        if [ "$register" = "yes" ] ; then
+		# Then we create a registration string for this provider.
+		sed    "s/|DEFAULTUSER|/$defaultuser/g" $TMPL_SIPREG         > $WORKDIR/sip_reg.tmp
+		sed -i "s/|SECRET|/$secret/g"                                  $WORKDIR/sip_reg.tmp
+		sed    "s/|NAME|/$name/g" $WORKDIR/sip_reg.tmp              >> $WORKDIR/sip_regs.TMP
+
+		users_to_ring="`uci -q get ${MODULENAME}-calls.incoming_calls.$name`"
+		# If no users have been specified to ring, we ring all users enabled for incoming calls.
+		if [ -z "$users_to_ring" ] ; then
+			users_to_ring=$localusers_to_ring
+		else
+		# Else, we cook up a string formatted for the Dial command
+		# with the specified users (SIP/user1&SIP/user2&...). We do it
+		# with set, shift and a loop in order to be more tolerant of ugly whitespace
+		# messes entered by users.
+			set $users_to_ring
+			users_to_ring="SIP\/$1" && shift
+			for u in $@ ; do users_to_ring=$users_to_ring\\\&SIP\\\/$u ; done
+		fi
+
+		# And we create an incoming calls context for this provider.
+		sed    "s/|NAME|/$name/g"                          $TMPL_EXTINCNTXTSIP |\
+		    sed "s/|LOCALUSERS|/$users_to_ring/g"       >> $WORKDIR/inext.TMP
+	fi
+
+	# If this provider is enabled for outgoing calls.
+	if [ "$make_outgoing_calls" = "yes" ] ; then
+
+		numprefix="`uci -q get ${MODULENAME}-calls.outgoing_calls.$name`"
+		# If no prefixes are specified, then we use "X" which matches any prefix.
+		[ -z "$numprefix" ]  && numprefix="X"
+		for p in $numprefix ; do
+			sed "s/|NUMPREFIX|/$p/g" $TMPL_EXTOUTSIP |\
+			    sed "s/|NAME|/$name/g"              >> $WORKDIR/outext-$name.TMP
+		done
+
+		# Add this provider to the list of enabled outbound providers.
+		if [ -z "$outbound_providers" ] ; then
+			outbound_providers="$name"
+		else
+			outbound_providers="$outbound_providers $name"
+		fi
+	fi
+
+	rm -f $WORKDIR/sip_peer.tmp
+	rm -f $WORKDIR/sip_reg.tmp
+}
+
+# For all local users enabled for outbound calls, creates a context
+# containing the extensions for Google and SIP accounts this user is
+# allowed to use.
+pbx_create_user_contexts()
+{
+	local providers
+
+	for u in $localusers_can_dial ; do
+		sed "s/|DEFAULTUSER|/$u/g" $TMPL_EXTUSERCNTXTHDR                >> $WORKDIR/userext.TMP
+		cat $WORKDIR/localext.TMP                                       >> $WORKDIR/userext.TMP
+		providers="`uci -q get ${MODULENAME}-calls.providers_user_can_use.$u`"
+		[ -z "$providers" ] && providers="$outbound_providers"
+
+		# For each provider, cat the contents of outext-$name.TMP into the user's outgoing calls extension
+		for p in $providers ; do
+			[ -f $WORKDIR/outext-$p.TMP ] && cat $WORKDIR/outext-$p.TMP >> $WORKDIR/userext.TMP
+		done
+		cat $TMPL_EXTUSERCNTXTFTR                                       >> $WORKDIR/userext.TMP
+	done
+}
+
+# Creates the blacklist context which hangs up on blacklisted numbers.
+pbx_add_blacklist()
+{
+	local blacklist1
+	local blacklist2
+
+	config_get blacklist1 blacklisting blacklist1
+	config_get blacklist2 blacklisting blacklist2
+
+	# We create the blacklist context no matter whether the blacklist
+	# actually contains entries or not, since the PBX will send calls
+	# to the context for a check against the list anyway.
+	cp $TMPL_EXTBLKLISTHDR                                   $WORKDIR/blacklist.TMP
+	for n in $blacklist1 $blacklist2 ; do
+		sed "s/|BLACKLISTITEM|/$n/g" $TMPL_EXTBLKLIST >> $WORKDIR/blacklist.TMP 
+	done
+	cat $TMPL_EXTBLKLISTFTR                               >> $WORKDIR/blacklist.TMP
+}
+
+# Creates the callthrough context which allows specified numbers to get
+# into the PBX and dial out as the configured user.
+pbx_add_callthrough()
+{
+	local callthrough_number_list
+	local defaultuser
+	local pin
+	local enabled
+
+	config_get callthrough_number_list $1 callthrough_number_list
+	config_get defaultuser $1 defaultuser
+	config_get pin $1 pin
+	config_get enabled $1 enabled
+
+	[ "$enabled" = "no" ]   && return
+	[ "$defaultuser" = "" ] && return
+
+	for callthrough_number in $callthrough_number_list ; do
+		sed "s/|NUMBER|/$callthrough_number/g" $TMPL_EXTCTHRUCHECK >> $WORKDIR/callthroughcheck.TMP
+
+		sed "s/|NUMBER|/$callthrough_number/g" $TMPL_EXTCTHRU |\
+		    sed "s/|DEFAULTUSER|/$defaultuser/"               |\
+		        sed "s/|PIN|/$pin/"                                >> $WORKDIR/callthrough.TMP
+	done
+}
+
+# Creates sip.conf from its template.
+pbx_cook_sip_template()
+{
+	local useragent
+	local externhost
+	local bindport
+
+	config_get useragent advanced useragent
+	config_get externhost advanced externhost
+	config_get bindport advanced bindport
+
+	[ -z "$useragent" ] && useragent="$USERAGENT"
+
+	sed "s/|USERAGENT|/$useragent/g" $TMPL_SIP  > $WORKDIR/sip.conf
+
+	if [ -z "$externhost" ] ; then
+		sed -i "s/externhost=|EXTERNHOST|//g" $WORKDIR/sip.conf
+	else
+		sed -i "s/|EXTERNHOST|/$externhost/g" $WORKDIR/sip.conf
+	fi
+
+	if [ -z "$bindport" ] ; then
+		sed -i "s/bindport=|BINDPORT|//g"     $WORKDIR/sip.conf
+	else
+		sed -i "s/|BINDPORT|/$bindport/g"     $WORKDIR/sip.conf
+	fi
+
+
+}
+
+# Creates rtp.conf from its template.
+pbx_cook_rtp_template()
+{
+	local rtpstart
+	local rtpend
+
+	config_get rtpstart advanced rtpstart
+	config_get rtpend   advanced rtpend
+
+	sed "s/|RTPSTART|/$rtpstart/" $TMPL_RTP |\
+	    sed "s/|RTPEND|/$rtpend/"               > $WORKDIR/rtp.conf
+}
+
+# Makes sure the ownership of specified directories is proper.
+pbx_fix_ownership()
+{
+	chown $ASTUSER:$ASTGROUP    $ASTDIRS
+	chown $ASTUSER:$ASTGROUP -R $ASTDIRSRECURSIVE
+}
+
+# Creates firewall configuration. However, since this functionality is now
+# taken over by pbx-advanced.lua, this function is unused.
+create_firewall_config()
+{
+	local bindport
+	local rtpstart
+	local rtpend
+	local externhost
+
+	config_get bindport advanced bindport
+	config_get externhost advanced externhost
+	config_get rtpstart advanced rtpstart
+	config_get rtpend   advanced rtpend
+
+	# We need all of these parameters to be set in order to consider inserting firewall rules.
+	if [ -z "$externhost" -o -z "$bindport" -o -z "$rtpstart" -o -z "$rtpend" ] ; then
+		rm -f $FIREWALL_PATH
+		return
+	fi
+
+	sed "s/|SIPPORT|/$bindport/g" $TMPL_FIREWALL |\
+	     sed "s/|RTPRANGE|/$rtpstart:$rtpend/g" > $WORKDIR/firewall.$MODULENAME
+
+	# Make sure there is an include section in the firewall configuration
+	# to include the file we just created.
+	i=0 ; found_path=0
+	while p=`uci get firewall.@include[$i].path 2>/dev/null` ; do
+		if [ "$p" = "$FIREWALL_PATH" ] ; then
+			found_path=1
+			break
+		fi
+		i=`expr $i + 1`
+	done
+
+	# If no include section was found which mentions $FIREWALL_PATH, add one.
+	if [ $found_path -eq 0 ] ; then
+		uci add firewall include   1>/dev/null 2>/dev/null
+		uci set firewall.@include[-1].path="$FIREWALL_PATH"
+		uci commit firewall
+	fi
+}
+
+start() {
+	mkdir -p $WORKDIR
+
+	# Create the users.
+	config_load ${MODULENAME}-users
+	config_foreach pbx_add_user local_user
+
+	# Create configuration for each google account.
+	config_unset
+	config_load ${MODULENAME}-google
+	config_foreach pbx_add_jabber gtalk_jabber
+
+	# Create configuration for each voip provider.
+	config_unset
+	config_load ${MODULENAME}-voip
+	config_foreach pbx_add_peer voip_provider
+
+	# Create the user contexts, and phone blacklist.
+	config_unset
+	config_load ${MODULENAME}-calls
+	pbx_create_user_contexts
+	pbx_add_blacklist
+	config_foreach pbx_add_callthrough callthrough_numbers
+
+	# Prepare sip.conf using settings from the "advanced" section.
+	config_unset
+	config_load ${MODULENAME}-advanced
+	pbx_cook_sip_template
+	pbx_cook_rtp_template
+
+	# Assemble the configuration, and copy changed files over.
+	pbx_assemble_and_copy_config
+
+	# Enforce ownership of specified files and directories.
+	pbx_fix_ownership
+}
+