ampr-ripd: Initial package release

This project can be used with the OpenWrt SDK to generate a package
for ampr-ripd.  It is intended for use only by licensed amateur radio
operators.  ampr-ripd is a modified RIPv2 listener that provides
route information for ARDC IPIP Mesh tunnels.

Signed-off-by: Dan Srebnick <[email protected]>

diff --git a/net/ampr-ripd/Makefile b/net/ampr-ripd/Makefile
new file mode 100644 (file)
index 0000000..511fef2
--- /dev/null
+++ b/net/ampr-ripd/Makefile
@@ -0,0 +1,102 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ampr-ripd
+PKG_VERSION:=2.4.2
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tgz
+PKG_SOURCE_URL:=https://yo2loj.ro/hamprojects
+PKG_HASH:=e4635bd0f88c1f2b0777e948a00d0470aa97254ec4b0b8fd75c79d109995a350
+
+PKG_MAINTAINER:=Dan Srebnick <[email protected]>
+PKG_LICENSE:=GPL-2.0-only
+PKG_LICENSE_FILES:=COPYING
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/ampr-ripd
+  SECTION:=net
+  CATEGORY:=Network
+  SUBMENU:=Routing and Redirection
+  DEPENDS:=+kmod-ipip +ip
+  TITLE:=Routing daemon for the AMPR network
+  URL:=https://www.yo2loj.ro/hamprojects
+endef
+
+define Package/ampr-ripd/description
+  Routing daemon written in C similar to Hessu's rip44d including optional resending of RIPv2 broadcasts for router injection.
+endef
+
+CONFIGURE_VARS+= \
+       CC="$(TOOLCHAIN_DIR)/bin/$(TARGET_CC)"
+       COPT="$(TARGET_COPT)"
+
+define Package/ampr-ripd/install
+       $(INSTALL_DIR) $(1)/usr/sbin
+       $(INSTALL_BIN) $(PKG_BUILD_DIR)/ampr-ripd $(1)/usr/sbin
+       $(INSTALL_DIR) $(1)/etc/init.d
+       $(INSTALL_BIN) ./files/ampr-ripd-init $(1)/etc/init.d/ampr-ripd
+       $(INSTALL_DIR) $(1)/etc/uci-defaults
+       $(INSTALL_DATA) ./files/99-ampr-ripd $(1)/etc/uci-defaults/99-ampr-ripd
+       $(INSTALL_DIR) $(1)/etc/config
+       $(INSTALL_CONF) ./files/ampr-ripd-config $(1)/etc/config/ampr-ripd
+endef
+
+define Package/ampr-ripd/postrm
+#!/bin/sh
+[ "$${PKG_UPGRADE}" = 1 ] && exit 0
+[ -z "$${IPKG_INSTROOT}" ] || exit 0
+
+echo "Removing firewall rules..."
+for i in $$(seq 99 -1 0); do
+   if [ $$(uci -q get firewall.@rule[$$i]) ]; then
+      name=$$(uci get firewall.@rule[$$i].name)
+      if [ "$$name" = "Net 44 ICMP Echo Request" ] \
+         || [ "$$name" = "Net 44 Router ICMP" ]    \
+         || [ "$$name" = "ipip" ]; then
+         uci del firewall.@rule[$$i]
+      fi
+   fi
+done
+uci commit firewall
+
+echo "Removing network rules..."
+for i in $$(seq 99 -1 0); do
+   if [ $$(uci -q get network.@rule[$$i]) ]; then
+      lookup=$$(uci get network.@rule[$$i].lookup)
+      if [ "$$lookup" = "44" ]; then
+         uci del network.@rule[$$i]
+      fi
+   fi
+done
+uci commit network
+
+echo "Removing firewall zone forwarding rules..."
+for i in $$(seq 99 -1 0); do
+   if [ $$(uci -q get firewall.@forwarding[$$i]) ]; then
+      name=$$(uci get firewall.@forwarding[$$i].src)
+      if [ "$$name" = "amprlan" ] || [ "$$name" = "amprwan" ]; then
+         uci del firewall.@forwarding[$$i]
+      fi
+   fi
+done
+
+echo "Removing firewall zones..."
+for i in $$(seq 99 -1 0); do
+   if [ $$(uci -q get firewall.@zone[$$i]) ]; then
+      name=$$(uci get firewall.@zone[$$i].name)
+      if [ "$$name" = "amprlan" ] || [ "$$name" = "amprwan" ]; then
+         uci del firewall.@zone[$$i]
+      fi
+   fi
+done
+uci commit firewall
+
+echo "Removing network interfaces..."
+uci del network.amprwan
+uci del network.amprlan
+uci commit network
+
+endef
+
+$(eval $(call BuildPackage,ampr-ripd))

diff --git a/net/ampr-ripd/files/99-ampr-ripd b/net/ampr-ripd/files/99-ampr-ripd
new file mode 100644 (file)
index 0000000..fcccb77
--- /dev/null
+++ b/net/ampr-ripd/files/99-ampr-ripd
@@ -0,0 +1,112 @@
+##############################################################################
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.
+#
+# Copyright (C) 2025 Dan Srebnick (K2IE)
+#
+##############################################################################
+
+# Check to see if network.amprlan.ipaddr and network.amprwan.ipaddr exist.
+# If so, no need to apply defaults.
+
+if [ -z "$(uci -q get network.amprlan.ipaddr)" ] && \
+   [ -z "$(uci -q get network.amprwan.ipaddr)" ]; then
+
+echo Installing default routing rules...
+r=$(uci add network rule)
+uci -q batch << EOI
+set network.$r.dest='44.0.0.0/9'
+set network.$r.lookup='44'
+set network.$r.priority='44'
+EOI
+r=$(uci add network rule)
+uci -q batch << EOI
+set network.$r.dest='44.128.0.0/10'
+set network.$r.lookup='44'
+set network.$r.priority='44'
+EOI
+r=$(uci add network rule)
+uci -q batch << EOI
+set network.$r.src='44.127.254.0/24'
+set network.$r.lookup='44'
+set network.$r.priority='45'
+EOI
+
+echo Installing default network interfaces...
+uci -q batch << EOI
+set network.amprlan=interface
+set network.amprlan.proto='static'
+set network.amprlan.device='br-lan'
+set network.amprlan.force_link='0'
+set network.amprlan.ipaddr='44.127.254.254'
+set network.amprlan.netmask='255.255.255.0'
+set network.amprlan.defaultroute='0'
+set network.amprlan.ip4table='44'
+set network.amprlan.delegate='0'
+set network.amprwan=interface
+set network.amprwan.device='tunl0'
+set network.amprwan.proto='static'
+set network.amprwan.ipaddr='44.127.254.254'
+set network.amprwan.netmask='255.255.255.0'
+commit network
+EOI
+
+echo Installing default firewall zones...
+z=$(uci add firewall zone)
+uci -q batch << EOI
+set firewall.$z.name='amprlan'
+set firewall.$z.network='amprlan'
+EOI
+z=$(uci add firewall zone)
+uci -q batch << EOI
+set firewall.$z.name='amprwan'
+set firewall.$z.network='amprwan'
+set firewall.$z.input='REJECT'
+EOI
+z=$(uci add firewall forwarding)
+uci -q batch << EOI
+set firewall.$z.src='amprlan'
+set firewall.$z.dest='amprwan'
+commit firewall
+EOI
+
+echo Installing default firewall rules...
+f=$(uci add firewall rule)
+uci -q batch << EOI
+set firewall.$f.name='ipip'
+set firewall.$f.proto='ipencap'
+set firewall.$f.src='wan'
+set firewall.$f.target='ACCEPT'
+set firewall.$f.family='ipv4'
+set firewall.$f.icmp_type='echo-request'
+EOI
+f=$(uci add firewall rule)
+uci -q batch << EOI
+set firewall.$f.name='Net 44 ICMP Echo Request'
+set firewall.$f.proto='icmp'
+set firewall.$f.src='amprwan'
+set firewall.$f.dest='amprlan'
+set firewall.$f.target='ACCEPT'
+set firewall.$f.family='ipv4'
+set firewall.$f.icmp_type='echo-request'
+EOI
+f=$(uci add firewall rule)
+uci -q batch << EOI
+set firewall.$f.name='Net 44 Router ICMP'
+set firewall.$f.proto='icmp'
+set firewall.$f.src='amprwan'
+set firewall.$f.target='ACCEPT'
+set firewall.$f.family='ipv4'
+set firewall.$f.icmp_type='echo-request'
+commit firewall
+EOI
+
+fi
+exit

diff --git a/net/ampr-ripd/files/ampr-ripd-config b/net/ampr-ripd/files/ampr-ripd-config
new file mode 100644 (file)
index 0000000..a7d7d51
--- /dev/null
+++ b/net/ampr-ripd/files/ampr-ripd-config
@@ -0,0 +1,4 @@
+
+config ampr-ripd 'network'
+       option tunnet 44.127.254.0/255.255.255.0
+

diff --git a/net/ampr-ripd/files/ampr-ripd-init b/net/ampr-ripd/files/ampr-ripd-init
new file mode 100755 (executable)
index 0000000..6f1a8f4
--- /dev/null
+++ b/net/ampr-ripd/files/ampr-ripd-init
@@ -0,0 +1,87 @@
+#!/bin/sh /etc/rc.common
+
+START=95
+STOP=10
+
+EXTRA_COMMANDS="configure"
+EXTRA_HELP="        configure       Configure service parameters"
+
+start() {
+       default_addr="44.127.254.254"
+       if [ "$(uci get network.amprlan.ipaddr)" = "$default_addr" ] || \
+               [ "$(uci get network.amprwan.ipaddr)" = "$default_addr" ]; then
+
+               cat <<-EOF
+               ampr-ripd is not fully configured.
+               You must run /etc/init.d/ampr-ripd configure.
+               EOF
+
+               exit 1
+       fi
+       if [ ! -d /var/lib/ampr-ripd ]; then
+               mkdir -p /var/lib/ampr-ripd
+       fi
+       ip tunnel change ttl 64 mode ipip tunl0
+       ip link set dev tunl0 up
+       ifconfig tunl0 mtu 1480
+       tunnet=$(uci -q get ampr-ripd.network.tunnet)
+       /usr/sbin/ampr-ripd -s -r -t 44 -i tunl0 -a "$tunnet"
+}
+
+stop() {
+       ifconfig tunl0 down
+       killall ampr-ripd
+}
+
+configure() {
+       if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then
+               cat <<-EOF
+
+               Usage: /etc/init.d/ampr-ripd configure [amprhost] [amprmask] [amprnet]
+
+                      amprhost is the 44 net address assigned to your OpenWrt host
+                      amprmask is the full netmask of your AMPR assigned network
+                      amprnet is the network number of your AMPR assigned network 
+
+                  Eg. /etc/init.d/ampr-ripd configure 44.127.254.1 255.255.255.0 44.127.254.0
+               EOF
+               exit 1
+       fi
+       amprhost=$1
+       amprmask=$2
+       amprnet=$3
+
+       cat <<-EOF
+       Configuring ampr-ripd with values:
+
+       amprhost=$amprhost
+       amprmask=$amprmask
+       amprnet=$amprnet
+       EOF
+
+       tunnet=$amprnet/$amprmask
+       uci set ampr-ripd.network.tunnet="$tunnet"
+       uci commit ampr-ripd
+       uci set network.amprlan.ipaddr="$amprhost"
+       uci set network.amprlan.netmask="$amprmask"
+       uci set network.amprwan.ipaddr="$amprhost"
+       uci set network.amprwan.netmask="$amprmask"
+       for i in $(seq 0 -1 -99); do
+               if [ ! -z $(uci -q get network.@rule[$i].src) ] && \
+                       [ "$(uci get network.@rule[$i].lookup)" = "44" ] && \
+                       [ "$(uci get network.@rule[$i].priority)" = "45" ]; then
+                               uci set network.@rule[$i].src="$tunnet"
+                               break
+               fi
+       done
+       uci commit network
+
+       cat <<-EOF
+
+       Now, do the following:
+       /etc/init.d/ampr-ripd restart
+       /etc/init.d/network restart
+       EOF
+
+       exit 0
+}