[gbc] first version of boardconfig generator

mote/v2/tools/gbc

@@ -0,0 +1,91 @@
+#!/usr/bin/env bash
+#
+#   gbc - generate a set of boardconfig files
+#
+#   Copyright (C) 2011 Bart Van Der Meerssche <bart.vandermeerssche@flukso.net>
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+
+BFLAG=
+SFLAG=
+MFLAG=
+CFALG=
+
+BATCH="FLxx"
+SERIAL=1
+MAC="0123456789abc"
+COUNT=0
+
+while getopts 'b:m:s:c:h' OPTION
+do
+	case $OPTION in
+	b)	BFLAG=1
+		BATCH="$OPTARG"
+		;;
+
+	s)	SFLAG=1
+		SERIAL="$OPTARG"
+		;;
+
+	m)	MFLAG=1
+		MAC="0x$OPTARG"
+		;;
+
+	c)	CFLAG=1
+		COUNT="$OPTARG"
+		;;
+
+	h|?)	printf "Generate a set of boardconfig (bc) files.\n"
+		printf "Usage: %s -b <batch> [-s <serial>] -m <mac_addr> -c <#bc's> <reference bc>\n" $(basename $0) >&2
+		exit 1
+		;;
+	esac
+done
+
+shift $(($OPTIND - 1))
+
+printf "Creating target directory %s.\n" $BATCH
+mkdir $BATCH
+
+for ((i = 0; i < COUNT; i++))
+do
+	FN=$(printf "$BATCH/$BATCH%06d" $((SERIAL + i)))
+
+	printf "Cloning reference file to %s.\n" $FN
+	cp $1 $FN
+
+	ETH=$(echo 16o $((MAC + 2*i)) p | dc)
+	WIFI=$(echo 16o $((MAC + 2*i+1)) p | dc)
+	
+	printf "Substituting eth/wifi macs for %s/%s.\n" $ETH $WIFI
+	echo $ETH | xxd -r -p -s $((0x0060)) - $FN
+	echo $WIFI | xxd -r -p -s $((0x0066)) - $FN
+
+	printf "Writing 224 CSPRNG bytes to %s.\n" $FN
+	hexdump -v -e '1/1 "%.2x"' -n 224 /dev/urandom | xxd -r -p -s $((0x1020)) - $FN
+done
+
+printf "Writing 32 TRNG bytes to each boardconfig file.\n"
+printf "Write speed depends on the entropy pool being filled by kernel events.\n"
+printf "So surf the web, click around, enter keystrokes...\n"
+
+for ((i = 0; i < COUNT; i++))
+do
+	FN=$(printf "$BATCH/$BATCH%06d" $((SERIAL + i)))
+
+	printf "Writing 32 TRNG bytes to %s.\n" $FN
+	hexdump -v -e '1/1 "%.2x"' -n 32 /dev/random | xxd -r -p -s $((0x1000)) - $FN
+done