From a15c425dda7807f17b5526160f6fb164c05da0e1 Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Tue, 18 Aug 2020 10:13:26 -0500
Subject: Add hostapd-extra package for setting channel and SSID

---
 recipes-connectivity/hostapd/files/WiFi-SSID    | 27 ++++++++++++++++++++
 recipes-connectivity/hostapd/files/setchan      | 24 +++++++++++++++++
 recipes-connectivity/hostapd/hostapd_%.bbappend | 34 +++++++++++++++++++++++++
 3 files changed, 85 insertions(+)
 create mode 100644 recipes-connectivity/hostapd/files/WiFi-SSID
 create mode 100755 recipes-connectivity/hostapd/files/setchan

diff --git a/recipes-connectivity/hostapd/files/WiFi-SSID b/recipes-connectivity/hostapd/files/WiFi-SSID
new file mode 100644
index 0000000..e5d22ee
--- /dev/null
+++ b/recipes-connectivity/hostapd/files/WiFi-SSID
@@ -0,0 +1,27 @@
+diff -Naru orig/etc/init.d/hostapd new/etc/init.d/hostapd
+--- orig/etc/init.d/hostapd	2020-08-18 10:03:13.687093151 -0500
++++ new/etc/init.d/hostapd	2020-08-18 10:05:30.095090777 -0500
+@@ -2,7 +2,12 @@
+ DAEMON=/usr/sbin/hostapd
+ NAME=hostapd
+ DESC="HOSTAP Daemon"
+-ARGS="/etc/hostapd.conf -B"
++CONFIG=/var/config/hostapd.conf
++ARGS="${CONFIG} -B"
++
++DEVID=$(mts-io-sysfs show device-id)
++HOSTNAME=$(uname -n)
++SSID="${HOSTNAME}-${DEVID}"
+ 
+ test -f $DAEMON || exit 0
+ 
+@@ -35,6 +40,9 @@
+         if [[ -n $PREUP ]] ; then
+ 		bash -c "$PREUP"
+         fi
++        if ! grep -q "^ssid=${SSID}$" ${CONFIG} ; then
++	    sed -i "s/^ssid=.*/ssid=${SSID}/" ${CONFIG}
++        fi
+ 	echo -n "Starting $DESC: "
+ 	start-stop-daemon -S -x $DAEMON -- $ARGS
+         if [[ -n $POSTUP ]] ; then
diff --git a/recipes-connectivity/hostapd/files/setchan b/recipes-connectivity/hostapd/files/setchan
new file mode 100755
index 0000000..ceae0cf
--- /dev/null
+++ b/recipes-connectivity/hostapd/files/setchan
@@ -0,0 +1,24 @@
+#!/bin/bash
+echo 'Old Channel'
+egrep '^channel=|^hw_mode=' /var/config/hostapd.conf
+CHAN=$1
+if ! [[ $CHAN =~ ^[0-9]+$ ]] ; then
+	echo channel must be an integer
+fi
+if ((CHAN < 15)) ; then
+	HW='g'
+else
+	HW='a'
+fi
+
+sed -i "s/^channel=.*/channel=${CHAN}/" /var/config/hostapd.conf 
+sed -i "s/^hw_mode=.*/hw_mode=${HW}/" /var/config/hostapd.conf
+
+/etc/init.d/bt-pan stop
+/etc/init.d/bluetooth stop
+/etc/init.d/hostapd stop
+/etc/init.d/rs9113 stop
+/etc/init.d/rs9113 start
+/etc/init.d/bluetooth start
+/etc/init.d/bt-pan start
+/etc/init.d/hostapd start
diff --git a/recipes-connectivity/hostapd/hostapd_%.bbappend b/recipes-connectivity/hostapd/hostapd_%.bbappend
index d94e2ad..7851129 100644
--- a/recipes-connectivity/hostapd/hostapd_%.bbappend
+++ b/recipes-connectivity/hostapd/hostapd_%.bbappend
@@ -4,3 +4,37 @@ do_install_append() {
 	install -d ${D}{sysconfdir}/modprobe.d
 	install -m 644 -D ${WORKDIR}/cfg80211.conf ${D}${sysconfdir}/modprobe.d/cfg80211.conf
 }
+
+
+# -p option is striplevel
+SRC_URI += " file://cfg80211.conf \
+           file://WiFi-SSID \
+           file://setchan \
+           "
+
+do_install() {
+    install -d ${D}${sbindir} ${D}${sysconfdir}/init.d
+    install -m 0644 ${S}/hostapd.conf ${D}${sysconfdir}
+    install -m 0755 ${S}/hostapd ${D}${sbindir}
+    install -m 0755 ${S}/hostapd_cli ${D}${sbindir}
+    install -m 755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/hostapd
+    
+    install -m 644 -D ${WORKDIR}/cfg80211.conf ${D}${sysconfdir}/modprobe.d/cfg80211.conf
+    install -d ${D}/usr/share/hostap-daemon
+    install -m 0444 ${WORKDIR}/WiFi-SSID ${D}/usr/share/hostap-daemon/WiFi-SSID.patch
+    install -d ${D}/usr/local/bin
+    install -m 0744 ${WORKDIR}/setchan ${D}/usr/local/bin
+}
+
+PACKAGES =+ "${PN}-extra"
+FILES_${PN}-extra = "/usr/local/bin/* /usr/share/hostap-daemon/WiFi-SSID.patch"
+
+pkg_postinst_${PN}-bt-name() {
+	cd /$D
+	patch -Np1 < $D/usr/share/hostap-daemon/WiFi-SSID.patch
+}
+
+pkg_prerm_${PN}-bt-name() {
+	cd /$D
+	patch -Rp1 < $D/usr/share/hostap-daemon/WiFi-SSID.patch
+}
\ No newline at end of file
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