Merge net.OS into net

1 files changed, 105 insertions, 0 deletions

diff --git a/net/udhcpc.sh b/net/udhcpc.sh
new file mode 100644
index 0000000..462f058
--- /dev/null
+++ b/net/udhcpc.sh
@@ -0,0 +1,105 @@
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+udhcpc_depend()
+{
+	program start /sbin/udhcpc
+	after interface
+	provide dhcp
+}
+
+_config_vars="$_config_vars dhcp udhcpc"
+
+# WARNING:- The relies heavily on Gentoo patches and scripts for udhcpc
+udhcpc_start()
+{
+	local args= opt= opts= pidfile="/var/run/udhcpc-${IFACE}.pid"
+	local sendhost=true cachefile="/var/cache/udhcpc-${IFACE}.lease"
+
+	eval args=\$udhcpc_${IFVAR}
+
+	# Get our options
+	eval opts=\$dhcp_${IFVAR}
+	[ -z "${opts}" ] && opts=${dhcp}
+
+	# Map some generic options to dhcpcd
+	for opt in ${opts}; do
+		case "${opt}" in
+			nodns) args="${args} --env PEER_DNS=no";;
+			nontp) args="${args} --env PEER_NTP=no";;
+			nogateway) args="${args} --env PEER_ROUTERS=no";;
+			nosendhost) sendhost=false;
+		esac
+	done
+
+	[ "${metric:-0}" != "0" ] && args="${args} --env IF_METRIC=${metric}"
+
+	ebegin "Running udhcpc"
+
+	# Try and load the cache if it exists
+	if [ -f "${cachefile}" ]; then
+		case "$ {args} " in
+			*" --request="*|*" -r "*);;
+			*)
+				local x=$(cat "${cachefile}")
+				# Check for a valid ip
+				case "${x}" in
+					*.*.*.*) args="${args} --request=${x}";;
+				esac
+				;;
+		esac
+	fi
+
+	case " ${args} " in
+		*" --quit "*|*" -q "*) x="/sbin/udhcpc";;
+		*) x="start-stop-daemon --start --exec /sbin/udhcpc \
+			--pidfile \"${pidfile}\" --";;
+	esac
+
+	case " ${args} " in
+		*" --hosname="*|*" -h "*|*" -H "*);;
+		*)
+			if ${sendhost}; then
+				local hname="$(hostname)"
+				if [ "${hname}" != "(none)" ] && [ "${hname}" != "localhost" ]; then
+					args="${args} --hostname='${hname}'"
+				fi
+			fi
+			;;
+	esac
+
+	local script="${RC_LIBDIR}"/sh/udhcpc.sh
+	[ -x "${script}" ] || script=/lib/rcscripts/sh/udhcpc.sh
+
+	eval "${x}" "${args}" --interface="${IFACE}" --now \
+		--script="${script}" \
+		--pidfile="${pidfile}" >/dev/null
+	eend $? || return 1
+
+	_show_address
+	return 0
+}
+
+udhcpc_stop()
+{
+	local pidfile="/var/run/udhcpc-${IFACE}.pid" opts=
+	[ ! -f "${pidfile}" ] && return 0
+
+	# Get our options
+	eval opts=\$dhcp_${IFVAR}
+	[ -z "${opts}" ] && opts=${dhcp}
+
+	ebegin "Stopping udhcpc on ${IFACE}"
+	case " ${opts} " in
+		*" release "*)
+			start-stop-daemon --stop --quiet --oknodo --signal USR2 \
+				--exec /sbin/udhcpc --pidfile "${pidfile}"
+			if [ -f /var/cache/udhcpc-"${IFACE}".lease ]; then
+				rm -f /var/cache/udhcpc-"${IFACE}".lease
+			fi
+			;;
+	esac
+
+	start-stop-daemon --stop --exec /sbin/udhcpc --pidfile "${pidfile}"
+	eend $?
+}