[slx-network] support for dhcp in stage4

1 files changed, 52 insertions, 0 deletions

diff --git a/builder/modules.d/slx-network/scripts/setup-bootif-network.stage4 b/builder/modules.d/slx-network/scripts/setup-bootif-network.stage4
new file mode 100755
index 00000000..7ccb94e6
--- /dev/null
+++ b/builder/modules.d/slx-network/scripts/setup-bootif-network.stage4
@@ -0,0 +1,52 @@
+#!/bin/bash
+# For arrays
+
+export PATH=$PATH:/opt/openslx/sbin:/opt/openslx/bin
+
+. /run/openslx/network.conf
+
+net_if="$1"
+net_ip="$(ip addr show dev "${net_if}" | grep -m1 '^\s*inet ' | \
+	awk -F " " '{print $2}' | awk -F "/" '{print $1}')"
+
+# set default options
+declare -a udhcpc_opts
+udhcpc_opts+=("-t" "8")
+udhcpc_opts+=("-O" "domain")
+udhcpc_opts+=("-O" "nissrv")
+udhcpc_opts+=("-O" "nisdomain")
+udhcpc_opts+=("-O" "wpad")
+udhcpc_opts+=("-O" "search")
+udhcpc_opts+=("-O" "wins")
+
+# need to renew?
+if [ -n "$net_ip" ]; then
+	udhcpc_opts+=( "-r" "$net_ip" )
+fi
+
+primary="br0"
+[ -n "$SLX_BRIDGE" ] && primary="$SLX_BRIDGE"
+
+# send machine uuid during DHCP if acting on primary interface
+if [ "$primary" = "$net_if" ] && [ "$SLX_NET_DHCP_UUID" = "yes" ]; then
+	uid=$(dmidecode -s system-uuid | \
+		sed -r 's/^(..)(..)(..)(..)-(..)(..)-(..)(..)-(....)-/00\4\3\2\1\6\5\8\7\9/')
+	if [ "${#uid}" = 34 ]; then
+		echo "Using SMBIOS uid for DHCP"
+		udhcpc_opts+=( "-x" "0x3d:$uid" )
+	fi
+fi
+
+mkdir -p /run/udhcpc || echo "Could not create '/run/udhcpc'."
+
+udhcpc "${udhcpc_opts[@]}" -i "${net_if}" \
+	-s /opt/openslx/scripts/udhcpc-trigger \
+	-p "/run/udhcpc/udhcpc.${net_if}.pid"
+ret=$?
+
+if [ "${ret}" != 0 ]; then
+	echo "udhcpc" "Could not run 'udhcpc ${udhcpc_opts[*]}' on ${net_if}."
+fi
+
+exit "${ret}"
+