From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sat, 11 Jun 2011 14:43:44 +0000 (+0000)
Subject: Add support for automatic configuration of radvd.
X-Git-Tag: 001~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1eec467233eccfd96e26ca01257a3468777bce31;p=network.git

Add support for automatic configuration of radvd.
---

diff --git a/functions.radvd b/functions.radvd
new file mode 100644
index 00000000..16534157
--- /dev/null
+++ b/functions.radvd
@@ -0,0 +1,94 @@
+#!/bin/bash
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
+#                                                                             #
+# This program 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.                                         #
+#                                                                             #
+# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+RADVD_CONFIGFILE="/etc/radvd.conf"
+
+function radvd_update() {
+	# (Re-)write the configuration file
+	radvd_write_config
+
+	# Reload the radvd service.
+	service_reload radvd
+}
+
+function radvd_write_config() {
+	# Clear the config file.
+	__radvd_clear
+
+	# Write header to the file.
+	__radvd_write "#"
+	__radvd_write "# This is the radvd daemon configuration file."
+	__radvd_write "# THIS FILE IS AUTOMATICALLY GENERATED AND WILL OVERWRITE"
+	__radvd_write "# ANY CUSTOM CHANGES!"
+	__radvd_write "#\n"
+
+	# Write the configuration for all zones.
+	local zone
+	for zone in $(zones_get_all); do
+		__radvd_config_interface ${zone}
+	done
+}
+
+function __radvd_clear() {
+	log DEBUG "Clearing radvd config file."
+
+	: > ${RADVD_CONFIGFILE}
+}
+
+function __radvd_write() {
+	echo -e "$@" >> ${RADVD_CONFIGFILE}
+}
+
+function __radvd_config_interface() {
+	local zone=${1}
+	shift
+
+	assert isset zone
+
+	# If the interface does not provide any routing information,
+	# we can skip this whole stuff.
+	if ! routing_db_exists ${zone} ipv6; then
+		return ${EXIT_OK}
+	fi
+
+	# Skip if zone is not active.
+	local active=$(routing_db_get ${zone} ipv6 active)
+	[ "${active}" = "0" ] && return ${EXIT_OK}
+
+	# Skip if there is no prefix or prefix is link-local.
+	local prefix=$(routing_db_get ${zone} ipv6 local-ip-address)
+	if [ -z "${prefix}" ] || [ "${prefix:0:5}" = "fe80:" ]; then
+		return ${EXIT_OK}
+	fi
+
+	__radvd_write "interface ${zone} {"
+	__radvd_write "	AdvSendAdvert on;"
+	__radvd_write "	MinRtrAdvInterval 3;"
+	__radvd_write "	MaxRtrAdvInterval 10;"
+	__radvd_write "	IgnoreIfMissing on;"
+	__radvd_write ""
+	__radvd_write "	prefix ${prefix} {"
+	__radvd_write "		AdvOnLink on;"
+	__radvd_write "		AdvAutonomous on;"
+	__radvd_write "		AdvRouterAddr on;"
+	__radvd_write "	};"
+	__radvd_write "};\n"
+}
diff --git a/functions.service b/functions.service
new file mode 100644
index 00000000..b1a9cd83
--- /dev/null
+++ b/functions.service
@@ -0,0 +1,71 @@
+#!/bin/bash
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+function service_start() {
+	local name=${1}
+	shift
+
+	assert isset name
+
+	systemctl start ${name}.service
+}
+
+function service_stop() {
+	local name=${1}
+	shift
+
+	assert isset name
+
+	systemctl stop ${name}.service
+}
+
+function service_restart() {
+	local name=${1}
+	shift
+
+	assert isset name
+
+	systemctl restart ${name}.service
+}
+
+function service_reload() {
+	local name=${1}
+	shift
+
+	assert isset name
+
+	if service_status ${name}; then
+		systemctl reload ${name}.service
+		return $?
+	else
+		log WARNING "Cannot reload service '${name}' which is currently not running."
+	fi
+}
+
+function service_status() {
+	local name=${1}
+	shift
+
+	assert isset name
+
+	systemctl status ${name}.service >/dev/null 2>&1
+	return $?
+}