1 files changed, 116 insertions, 0 deletions
diff --git a/net-scripts/net/dhcpcd.sh b/net-scripts/net/dhcpcd.sh
new file mode 100644
index 0000000..3cf6267
--- /dev/null
+++ b/net-scripts/net/dhcpcd.sh
@@ -0,0 +1,116 @@
+# Copyright (c) 2004-2006 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# Contributed by Roy Marples (uberlord@gentoo.org)
+
+# void dhcpcd_depend(void)
+#
+# Sets up the dependancies for the module
+dhcpcd_depend() {
+	after interface
+	provide dhcp
+	functions interface_exists interface_get_address
+}
+
+# void dhcpcd_expose(void)
+#
+# Expose variables that can be configured
+dhcpcd_expose() {
+	variables dhcpcd dhcp
+}
+
+# bool dhcpcd_check_installed(void)
+#
+# Returns 1 if dhcpcd is installed, otherwise 0
+dhcpcd_check_installed() {
+	if [[ -x /sbin/dhcpcd ]]; then
+		if dhcpcd -h 2>&1 | grep -q "etcDir" ; then
+			return 0
+		else
+			${1:-false} && eerror "We require dhcpcd-2.0.0 or newer"
+			return 1
+		fi
+	fi
+
+	${1:-false} && eerror "For DHCP (dhcpcd) support, emerge net-misc/dhcpcd"
+	return 1
+}
+
+# bool dhcpcd_stop(char *iface)
+#
+# Stop DHCP on an interface by calling dhcpcd -z $iface
+#
+# Returns 0 (true) when a DHCP address dropped
+# otherwise return 1
+dhcpcd_stop() {
+	local iface=$1 signal pidfile="/var/run/dhcpcd-$1.pid" d
+
+	[[ ! -f ${pidfile} ]] && return 0
+
+	ebegin "Stopping dhcpcd on ${iface}"
+	
+	local ifvar="$(bash_variable "${iface}")"
+	d="dhcp_${ifvar}"
+	d=" ${!d} "
+	[[ ${d} == "  " ]] && d=" ${dhcp} "
+
+	if [[ ${d} == *" release "* ]] ; then
+		/sbin/dhcpcd -k "${iface}"
+	else
+		start-stop-daemon --stop --exec /sbin/dhcpcd --pidfile "${pidfile}"
+	fi
+	eend $?
+}
+
+# bool dhcpcd_start(char *iface)
+#
+# Start DHCP on an interface by calling dhcpcd $iface $options
+#
+# Returns 0 (true) when a DHCP address is obtained, otherwise 1
+dhcpcd_start() {
+	local iface="$1" opts pidfile="/var/run/dhcpcd-$1.pid"
+	local ifvar="$(bash_variable "${iface}")" metric d
+
+	interface_exists "${iface}" true || return 1
+
+	# Get our options
+	opts="dhcpcd_${ifvar}"
+	opts="${!opts}"
+
+	# Map some generic options to dhcpcd
+	d="dhcp_${ifvar}"
+	d=" ${!d} "
+	[[ ${d} == "  " ]] && d=" ${dhcp} "
+	[[ ${d} == *" nodns "* ]] && opts="${opts} -R"
+	[[ ${d} == *" nontp "* ]] && opts="${opts} -N"
+	[[ ${d} == *" nonis "* ]] && opts="${opts} -Y"
+	[[ ${d} == *" nogateway "* ]] && opts="${opts} -G"
+
+	# We transmit the hostname by default
+	if [[ " ${d} " != *" nosendhost "* && " ${opts} " != *" -h "* ]]; then
+		local hname="$(hostname)"
+		[[ -n ${hname} && ${hname} != "(none)" && ${hname} != "localhost" ]] \
+			&& opts="-h \"${hname}\" ${opts}"
+	fi
+
+	# Stop dhcpcd from bringing the interface down when we exit
+	opts="${opts} -o"
+
+	# Add our route metric
+	metric="metric_${ifvar}"
+	[[ -n ${!metric} && ${!metric} != "0" ]] && opts="${opts} -m ${!metric}"
+
+	# Bring up DHCP for this interface (or alias)
+	ebegin "Running dhcpcd"
+
+	eval /sbin/dhcpcd "${opts}" "${iface}"
+	eend $? || return 1
+
+	# DHCP succeeded, show address retrieved
+	local addr="$( interface_get_address "${iface}" )"
+	einfo "${iface} received address ${addr}"
+
+	return 0
+}
+
+# vim: set ts=4 :