wpa_supplicant fix

net/wireless/wpa_supplicant/wpa_cli.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+# Script for using udhcpc (started by ifup) with wpa_supplicant.
+#
+# Distributed under the same license as wpa_supplicant itself.
+# Copyright (c) 2015,2018 Sören Tempel <soeren+alpine@soeren-tempel.net>
+
+if [ $# -ne 2 ]; then
+	logger -t wpa_cli "this script should be called from wpa_cli(8)"
+	exit 1
+fi
+
+IFNAME="${1}"
+ACTION="${2}"
+SIGNAL=""
+DHCPID=""
+
+# PID file created by the busybox ifup applet for udhcpc.
+DHCPIDFILE="/var/run/udhcpc.${IFNAME}.pid"
+
+if [ ! -e "${DHCPIDFILE}" ]; then
+	logger -t wpa_cli "udhcpc isn't running for interface '${IFNAME}'"
+	exit 1
+fi
+
+logger -t wpa_cli "interface ${IFNAME} ${ACTION}"
+case "${ACTION}" in
+	CONNECTED)
+		SIGNAL="USR1"
+		;;
+	DISCONNECTED)
+		SIGNAL="USR2"
+		;;
+	*)
+		logger -t wpa_cli "unknown action '${ACTION}'"
+		exit 1
+esac
+
+read -r DHCPID < "${DHCPIDFILE}"
+kill -${SIGNAL} "${DHCPID}" || logger -t wpa_cli \
+	"Couldn't send '${SIGNAL}' to '${DHCPID}'"