certificates: add support for finding certificates on dual boot devices

Signed-off-by: John Crispin <john@phrozen.org>

feeds/tip/certificates/files/etc/init.d/certificates

@@ -2,6 +2,17 @@
 
 START=80
 
+copy_certificates() {
+	[ -f /certificates/dev-id ] || return
+
+	cp /certificates/*.pem /etc/ucentral/
+	cp /certificates/dev-id /etc/ucentral/
+	chown root.network /etc/ucentral/*.pem
+	chmod 0440 root.network /etc/ucentral/*.pem
+	chmod 0400 /etc/ucentral/dev-id
+	exit 0
+}
+
 boot() {
 	[ -f /etc/ucentral/dev-id ] && return
 	. /lib/functions.sh
@@ -17,11 +28,41 @@ boot() {
 			[ -e /dev/ubi1 ] && mount -t ubifs ubi1:certificates /certificates
 		fi
 	fi
-	[ -f /certificates/dev-id ] && {
+	copy_certificates
-		cp /certificates/*.pem /etc/ucentral/
+
-		cp /certificates/dev-id /etc/ucentral/
+	# if we get here no valid certificates were found
-		chown root.network /etc/ucentral/*.pem 
+
-		chmod 0440 root.network /etc/ucentral/*.pem
+	. /lib/functions.sh
-		chmod 0400 /etc/ucentral/dev-id
+
-	}
+	local PART_NAME
+
+	case "$(board_name)" in
+	actiontec,web7200)
+		if grep -q bootselect=0 /proc/cmdline; then
+			PART_NAME=firmware2
+		else
+			PART_NAME=firmware1
+		fi
+		;;
+	edgecore,ecw5211|\
+	edgecore,eap101|\
+	edgecore,eap102)
+		if grep -q rootfs1 /proc/cmdline; then
+			PART_NAME=rootfs2
+		else
+			PART_NAME=rootfs1
+		fi	
+		;;
+	*)
+		return 1
+		;;
+	esac
+
+	local MTD=$(find_mtd_index $PART_NAME)
+
+	[ -z "$MTD" ] && return 1
+
+	ubiattach -m $MTD -d 3
+	[ -e /dev/ubi3 ] && mount -t ubifs ubi3:certificates /certificates
+	copy_certificates
 }