5 files changed, 158 insertions, 0 deletions

diff --git a/meta-networking/recipes-connectivity/dhcp/dhcp-relay_4.4.2.bb b/meta-networking/recipes-connectivity/dhcp/dhcp-relay_4.4.2.bb
new file mode 100644
index 0000000000..bd816106c5
--- /dev/null
+++ b/meta-networking/recipes-connectivity/dhcp/dhcp-relay_4.4.2.bb
@@ -0,0 +1,62 @@
+SECTION = "console/network"
+SUMMARY = "Internet Software Consortium DHCP Relay Agent"
+DESCRIPTION = "A DHCP relay agent passes DHCP requests from one \
+LAN to another, so that a DHCP server is not needed on every LAN."
+
+HOMEPAGE = "http://www.isc.org/"
+
+LICENSE = "ISC"
+LIC_FILES_CHKSUM = "file://LICENSE;beginline=4;md5=004a4db50a1e20972e924a8618747c01"
+
+DEPENDS = "openssl libcap zlib"
+
+SRC_URI = "https://ftp.isc.org/isc/dhcp/${PV}/dhcp-${PV}.tar.gz \
+           file://default-relay \
+           file://init-relay \
+           file://dhcrelay.service \
+           file://0001-Makefile.am-only-build-dhcrelay.patch \
+           "
+
+SRC_URI[md5sum] = "2afdaf8498dc1edaf3012efdd589b3e1"
+SRC_URI[sha256sum] = "1a7ccd64a16e5e68f7b5e0f527fd07240a2892ea53fe245620f4f5f607004521"
+
+UPSTREAM_CHECK_URI = "http://ftp.isc.org/isc/dhcp/"
+UPSTREAM_CHECK_REGEX = "(?P<pver>\d+\.\d+\.(\d+?))/"
+
+S = "${WORKDIR}/dhcp-${PV}"
+
+inherit autotools-brokensep systemd
+
+SYSTEMD_SERVICE_${PN} = "dhcrelay.service"
+SYSTEMD_AUTO_ENABLE_${PN} = "disable"
+
+CFLAGS += "-D_GNU_SOURCE -fcommon"
+LDFLAGS_append = " -pthread"
+
+EXTRA_OECONF = "--enable-paranoia \
+                --disable-static \
+                --enable-libtool \
+                --with-randomdev=/dev/random \
+               "
+
+# Enable shared libs per dhcp README
+do_configure_prepend () {
+    cp configure.ac+lt configure.ac
+}
+
+do_install_append () {
+    install -d ${D}${sysconfdir}/default
+    install -m 0644 ${WORKDIR}/default-relay ${D}${sysconfdir}/default/dhcp-relay
+
+    if ${@bb.utils.contains('DISTRO_FEATURES','systemd','true','false',d)}; then
+        install -d ${D}${systemd_unitdir}/system
+        install -m 0644 ${WORKDIR}/dhcrelay.service ${D}${systemd_unitdir}/system
+        sed -i -e 's,@SBINDIR@,${sbindir},g' ${D}${systemd_unitdir}/system/dhcrelay.service
+        sed -i -e 's,@SYSCONFDIR@,${sysconfdir},g' ${D}${systemd_unitdir}/system/dhcrelay.service
+    else
+        install -d ${D}${sysconfdir}/init.d
+        install -m 0755 ${WORKDIR}/init-relay ${D}${sysconfdir}/init.d/dhcp-relay
+    fi
+}
+
+PARALLEL_MAKE = ""
diff --git a/meta-networking/recipes-connectivity/dhcp/files/0001-Makefile.am-only-build-dhcrelay.patch b/meta-networking/recipes-connectivity/dhcp/files/0001-Makefile.am-only-build-dhcrelay.patch
new file mode 100644
index 0000000000..fed85d2a8c
--- /dev/null
+++ b/meta-networking/recipes-connectivity/dhcp/files/0001-Makefile.am-only-build-dhcrelay.patch
@@ -0,0 +1,30 @@
+From 17cc080e58894644dd18664ac6f3451096d5f065 Mon Sep 17 00:00:00 2001
+From: Yi Zhao <yi.zhao@windriver.com>
+Date: Thu, 13 May 2021 15:23:16 +0800
+Subject: [PATCH] Makefile.am: only build dhcrelay
+
+Drop client and server build as we don't need them.
+
+Upstream-Status: Inappropriate [embedded specific]
+
+Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
+---
+ Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index ed692a5..34f9772 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -38,7 +38,7 @@ endif
+ 
+ # Use an autoconf substitution vs an automake conditional here
+ # to fool automake when the bind directory does not exist.
+-SUBDIRS = @BINDSUBDIR@ includes tests common omapip client dhcpctl relay server
++SUBDIRS = @BINDSUBDIR@ includes common omapip relay
+ 
+ DIST_SUBDIRS = $(SUBDIRS) keama
+ 
+-- 
+2.17.1
+
diff --git a/meta-networking/recipes-connectivity/dhcp/files/default-relay b/meta-networking/recipes-connectivity/dhcp/files/default-relay
new file mode 100644
index 0000000000..7961f014be
--- /dev/null
+++ b/meta-networking/recipes-connectivity/dhcp/files/default-relay
@@ -0,0 +1,12 @@
+# Defaults for dhcp-relay initscript
+# sourced by /etc/init.d/dhcp-relay
+
+# What servers should the DHCP relay forward requests to?
+# e.g: SERVERS="192.168.0.1"
+SERVERS=""
+
+# On what interfaces should the DHCP relay (dhrelay) serve DHCP requests?
+INTERFACES=""
+
+# Additional options that are passed to the DHCP relay daemon?
+OPTIONS=""
diff --git a/meta-networking/recipes-connectivity/dhcp/files/dhcrelay.service b/meta-networking/recipes-connectivity/dhcp/files/dhcrelay.service
new file mode 100644
index 0000000000..15ff927d34
--- /dev/null
+++ b/meta-networking/recipes-connectivity/dhcp/files/dhcrelay.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=DHCP Relay Agent Daemon
+After=network.target
+
+[Service]
+EnvironmentFile=@SYSCONFDIR@/default/dhcp-relay
+ExecStart=@SBINDIR@/dhcrelay -d --no-pid -q $SERVERS
+
+[Install]
+WantedBy=multi-user.target
diff --git a/meta-networking/recipes-connectivity/dhcp/files/init-relay b/meta-networking/recipes-connectivity/dhcp/files/init-relay
new file mode 100644
index 0000000000..019a7e84cf
--- /dev/null
+++ b/meta-networking/recipes-connectivity/dhcp/files/init-relay
@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# $Id: dhcp3-relay,v 1.1 2004/04/16 15:41:08 ml Exp $
+#
+
+# It is not safe to start if we don't have a default configuration...
+if [ ! -f /etc/default/dhcp-relay ]; then
+        echo "/etc/default/dhcp-relay does not exist! - Aborting..."
+        echo "create this file to fix the problem."
+        exit 1
+fi
+
+# Read init script configuration (interfaces the daemon should listen on
+# and the DHCP server we should forward requests to.)
+. /etc/default/dhcp-relay
+
+# Build command line for interfaces (will be passed to dhrelay below.)
+IFCMD=""
+if test "$INTERFACES" != ""; then
+        for I in $INTERFACES; do
+                IFCMD=${IFCMD}"-i "${I}" "
+        done
+fi
+
+DHCRELAYPID=/var/run/dhcrelay.pid
+
+case "$1" in
+        start)
+                start-stop-daemon -S -x /usr/sbin/dhcrelay -- -q $OPTIONS $IFCMD $SERVERS
+                ;;
+        stop)
+                start-stop-daemon -K -x /usr/sbin/dhcrelay
+                ;;
+        restart | force-reload)
+                $0 stop
+                sleep 2
+                $0 start
+                ;;
+        *)
+                echo "Usage: /etc/init.d/dhcp-relay {start|stop|restart|force-reload}"
+                exit 1 
+esac
+
+exit 0