Config.in « ebtables « package - openwrt/upstream - upstream openwrt

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config BR2_PACKAGE_EBTABLES
	tristate "ebtables - Ethernet bridge firewall administration utility"
	default m if CONFIG_DEVEL
	help
	  Ethernet Bridge Firewalling (ebtables)
	  
	  http://ebtables.sourceforge.net/

ral.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

#!/bin/sh
#
# Copyright (C) 2011 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

# Write image header followed by all specified files
# The header is padded to 64k, format is:
#  CE               magic word ("Combined Extended Image") (2 bytes)
#  <CE_VERSION>     file format version field (2 bytes) 
#  <TYPE>           short description of the target device (32 bytes)
#  <NUM FILES>      number of files following the header (2 byte)
#  <file1_name>     name of the first file (32 bytes)
#  <file1_length>   length of the first file encoded as zero padded 8 digit hex (8 bytes)
#  <file1_md5>      md5 checksum of the first file (32 bytes)
#  <fileN_name>     name of the Nth file (32 bytes)
#  <fileN_length>   length of the Nth file encoded as zero padded 8 digit hex (8 bytes)
#  <fileN_md5>      md5 checksum of the Nth file (32 bytes)

## version history
# * version 1: initial file format with num files / name / length / md5 checksum 

ME="${0##*/}"

usage() {
	echo "Usage: $ME <type> <ext filename> <file1> <filename1> [<file2> <filename2> <fileN> <filenameN>]"
	[ "$IMG_OUT" ] && rm -f "$IMG_OUT"
	exit 1
}

[ "$#" -lt 4 ] && usage

CE_VERSION=1
IMG_TYPE=$1; shift
IMG_OUT=$1; shift
FILE_NUM=$(($# / 2))
FILES=""

printf "CE%02x%-32s%02x" $CE_VERSION "$IMG_TYPE" $FILE_NUM > $IMG_OUT

while [ "$#" -gt 1 ]
   do
      file=$1
      filename=$2

      [ ! -f "$file" ] && echo "$ME: Not a valid file: $file" && usage
      FILES="$FILES $file"
      md5=$(cat "$file" | md5sum -)
      printf "%-32s%08x%32s" "$filename" $(stat -c "%s" "$file") "${md5%% *}" >> $IMG_OUT
      shift 2
   done

[ "$#" -eq 1 ] && echo "$ME: Filename not specified: $1" && usage

mv $IMG_OUT $IMG_OUT.tmp
dd if="$IMG_OUT.tmp" of="$IMG_OUT" bs=65536 conv=sync 2>/dev/null
rm $IMG_OUT.tmp

cat $FILES >> $IMG_OUT