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fwmod
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fwmod
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#! /usr/bin/env bash
# Freetz script to modify AVM FRITZ!Box and OEM firmware images
#
# Copyright (C) 2005-2006 Daniel Eiband <eiband@online.de>
# Copyright (C) 2006-2018 by the Freetz developers (http://freetz.org)
# Copyright (C) 2019 by Freetz developers (https://freetz-ng.github.io/ and https://freetz.github.io)
#
# Licensed under the GPL v2, see the file COPYING in this tarball.
#
# This script is based on Christian Volkmann's fritzbox mod-0.57.
# Legacy URL: http://www.ip-phone-forum.de/showthread.php?t=65894
#
# Special thanks to Andreas Buehmann, Christian Volkmann, Enrik Berkhan,
# SpeedyBZ and all members on ip-phone-forum.de who contributed to this mod.
usage()
{
cat << EOF
Usage: $SELF [-u|-m|-p|-a] [-s] [-v <pub> [-w <pub> [-x <pub>]]] [-z] [-c <dir>] [-n] [-f] [-i <cfg>] [-d <dir>] <orig_fw> [<tk_fw> [<aux_fw>]]
main actions
-u unpack firmware image
-m modify previously unpacked image
-p pack firmware image
-a all: unpack, modify and pack firmware image
special actions
-s sign firmware image
-v <pub> validate firmware image with the pub key (not for recovery.exe)
-w <pub> validate 2nd firmware image with the pub key (not for recovery.exe)
-x <pub> validate 3rd firmware image with the pub key (not for recovery.exe)
-z zip file system into archive for USB/NFS root
-c <dir> copy file system to target directory for NFS/USB root (implies -z)
options
-n firmware-nocompile: do not install kernel and busybox
-f force pack even if image is too big for flash (AVM SDK)
input/output
-i <cfg> input file for configuration data (default: .config)
-d <dir> build directory (default: <orig_firmware>.mod)
<orig_fw> original firmware name
<tk_fw> 2nd firmware name (e.g. for merging in web UI)
<aux_fw> 3rd firmware name (e.g. to borrow missing files)
EOF
}
##################################################
## Initialise and check command line parameters ##
##################################################
# This script's name ("fwmod" if not linked/renamed)
SELF="$(basename "$0")"
# No parameters -> print usage info to stdout
[ $# -eq 0 ] && usage && exit 0
# Backup command line parameters [$0..$n] to save them from getopts eating them
# away, because we need them again later for the recursive fakeroot/pseudo call.
for ((i=0; i<=$#; i++)); do
CMDLINE_ORIG[i]="${!i}"
done
# Default values for unset command line parameters
DOT_CONFIG="$(dirname "$0")/.config"
DO_UNPACK=0; DO_MOD=0; DO_PACK=0; DO_SIGN=0; DO_VALIDATE=0; DO_VALIDATE2=0; DO_VALIDATE3=0
FIRMWARE_NOCOMPILE=0; FORCE_PACK=0; DO_ZIP=0; COPY_FS_DIR=; DIR=
# Parse command line parameters
while getopts umpsanfzc:i:d:v:w:x: opt; do
case "$opt" in
u) DO_UNPACK=1 ;;
m) DO_MOD=1 ;;
p) DO_PACK=1 ;;
v) DO_VALIDATE=1; FIRMWARE_PUB="$OPTARG" ;;
w) DO_VALIDATE2=1; FIRMWARE2_PUB="$OPTARG" ;;
x) DO_VALIDATE3=1; FIRMWARE3_PUB="$OPTARG" ;;
s) DO_SIGN=1 ;;
a) DO_UNPACK=1; DO_MOD=1; DO_PACK=1 ;;
n) FIRMWARE_NOCOMPILE=1 ;;
f) FORCE_PACK=1 ;;
z) DO_ZIP=1 ;;
c) COPY_FS_DIR="$OPTARG"; [ "$COPY_FS_DIR" ] && DO_ZIP=1 ;;
i) DOT_CONFIG="$OPTARG" ;;
d) DIR="$OPTARG" ;;
*) usage >&2; exit 1 ;;
esac
done
shift $((OPTIND-1))
# At least one action and one (non-empty) firmware image name must be specified
[ $(($DO_UNPACK + $DO_MOD + $DO_PACK + $DO_ZIP + $DO_VALIDATE)) -eq 0 -o $# -lt 1 -o $# -gt 3 -o ! "$1" ] && usage >&2 && exit 1
# Check if it's a completely automated run in the "no freetz"-mode and cache the value.
# We are interested in what the user asked us for and not what we are actually doing,
# the UNPACK step might be skipped (and the value of DO_UNPACK changed) if the already
# unpacked firmware is found on the disk.
[ "$DO_UNPACK" -gt 0 -a "$DO_MOD" -eq 0 -a "$DO_PACK" -gt 0 ] && NO_FREETZ_AUTOMATED_RUN=1 || NO_FREETZ_AUTOMATED_RUN=0
# Freetz base + tools directories
BASE_DIR="$(dirname "$0")"
ABS_BASE_DIR="$(readlink -f "$BASE_DIR")"
TOOLS_DIR="${ABS_BASE_DIR}/tools"
# Include common helper functions (isFreetzType, echo*, error, modunsqfs* etc.)
source "${TOOLS_DIR}/freetz_functions" ||
(echo "cannot find script freetz_functions" >&2; exit 1)
[ ! -x "${TOOLS_DIR}/busybox" ] && \
error 1 "Can not find host tools, please run 'make tools' first."
[ "$DO_SIGN" -gt 0 -a $(($DO_PACK + $DO_ZIP)) -eq 0 ] && \
error 1 "Firmware signing without packing is not supported. Please use PeterPawn's sign_image tool to sign an already existing .image file."
[ $(($DO_SIGN + $DO_VALIDATE + $DO_VALIDATE2 + $DO_VALIDATE3 )) -gt 0 -a ! -x "$(command -v openssl)" ] && \
error 1 "OpenSSL is required to verify and create image signature. Please install it or disable the option(s) in menuconfig."
# Initialise firmware image names
FIRMWARE="$1"
FIRMWARE2="$2"
FIRMWARE3="$3"
FIRMWARE_EXTENSION="${FIRMWARE##*.}"
FIRMWARE_EXTENSION="${FIRMWARE_EXTENSION,,}"
# Given firmware image(s) must exist
[ -r "$FIRMWARE" ] ||
error 1 "firmware image $(basename "$FIRMWARE") not found"
[ "$FIRMWARE2" -a ! -r "$FIRMWARE2" ] &&
error 1 "firmware image $(basename "$FIRMWARE2") not found"
[ "$FIRMWARE3" -a ! -r "$FIRMWARE3" ] &&
error 1 "firmware image $(basename "$FIRMWARE3") not found"
# Config file must exist
[ -r "$DOT_CONFIG" ] ||
error 1 "not configured"
# Set default output directory, if not specified on command line
: ${DIR:=$FIRMWARE.mod}
# Create output directory if not yet exists (not in validate only mode)
[ $(($DO_UNPACK + $DO_MOD + $DO_PACK + $DO_ZIP )) -ne 0 ] && mkdir -p "$DIR"
#################################
## Initialise script variables ##
#################################
# Relative subdirectories
SOURCE_SUBDIR="source"
FIRMWARE_SUBDIR="firmware"
FITIMAGE_SUBDIR="fit-image"
FILESYSTEM_SUBDIR="filesystem"
FILESYSTEM_OUTER_SUBDIR="filesystem.outer"
AVMPLUGINS_SUBDIR="plugins.image"
EXTERNAL_SUBDIR="external"
KERNEL_SUBDIR="kernel"
VARTAR_SUBDIR="var.tar"
SIGNATURE_SUBDIR=".signature"
HTML_SUBDIR="usr/www"
GRAPHICS_SUBDIR="graphics"
# (temporary) files created during firmware unpacking
RAW_KERNEL_FILE="kernel.raw"
RAW_HIDDEN_FILE="kernelsquashfs.raw"
VARTAR_FILE="var.tar"
UNPACKED_FILE="$DIR/.unpacked"
# Path to bash (shell required by fwmod)
SHELL=$BASH
# Tools used by fwmod
FINDSQUASHFS_TOOL="find-squashfs"
TICHKSUM_TOOL="tichksum"
MAKEDEVS_TOOL="makedevs"
DEBUGFS_TOOL="debugfs"
EXTERNAL_TOOL="external"
TAR_BBA_TOOL="tar"
TAR_GNU_TOOL="tar-gnu"
MD5SUM_TOOL="md5sum"
BUSYBOX_TOOL="busybox"
# Optional tools
PV="$(command -v pv >/dev/null && echo 'pv -rcb')"
# Absolute tools paths
EXTERNAL="${TOOLS_DIR}/${EXTERNAL_TOOL}"
DEBUGFS="${TOOLS_DIR}/${DEBUGFS_TOOL}"
FINDSQUASHFS="${TOOLS_DIR}/${FINDSQUASHFS_TOOL}"
TICHKSUM="${TOOLS_DIR}/${TICHKSUM_TOOL}"
MAKEDEVS="${TOOLS_DIR}/${MAKEDEVS_TOOL}"
MAKEDEVS_FILE="${TOOLS_DIR}/device.table"
TAR_BBA="${TOOLS_DIR}/${TAR_BBA_TOOL}"
TAR_GNU="${TOOLS_DIR}/${TAR_GNU_TOOL}"
MD5SUM="${TOOLS_DIR}/${MD5SUM_TOOL}"
BUSYBOX="${TOOLS_DIR}/${BUSYBOX_TOOL}"
BLKID="${TOOLS_DIR}/blkid"
# Freetz directores relative to base dir
PACKAGES_DIR_ROOT="${BASE_DIR}/packages"
PATCHES_DIR="${BASE_DIR}/patches"
PATCHES_COND_DIR="${PATCHES_DIR}/cond"
PATCHES_DEVICES_DIR="${PATCHES_DIR}/devices"
PATCHES_SCRIPTS_DIR="${PATCHES_DIR}/scripts"
ROOT_DIR="${BASE_DIR}/root"
KERNEL_REP_DIR="${BASE_DIR}/kernel"
ADDON_DIR="${BASE_DIR}/addon"
GRAPHICS_DIR="${BASE_DIR}/${GRAPHICS_SUBDIR}"
# Freetz branding directories relative to graphics subdirectory
FAVICON_DIR="${GRAPHICS_DIR}/favicon"
TAGGING_DIR="${GRAPHICS_DIR}/tagging"
# Package files
PACKAGES_LIST_FILE="${BASE_DIR}/.packages"
STATIC_ADDON_FILES="${ADDON_DIR}/*.pkg"
# Alien variables
TK_DIR="${DIR}/.tk/original"
FIRMWARE_TK_DIR="${TK_DIR}/${FIRMWARE_SUBDIR}"
FILESYSTEM_TK_DIR="${TK_DIR}/${FILESYSTEM_SUBDIR}"
KERNEL_TK_DIR="${TK_DIR}/${KERNEL_SUBDIR}"
VARTAR_TK_DIR="${KERNEL_TK_DIR}/${VARTAR_SUBDIR}"
AUX_DIR="${DIR}/.aux/original"
FIRMWARE_AUX_DIR="${AUX_DIR}/${FIRMWARE_SUBDIR}"
FILESYSTEM_AUX_DIR="${AUX_DIR}/${FILESYSTEM_SUBDIR}"
KERNEL_AUX_DIR="${AUX_DIR}/${KERNEL_SUBDIR}"
VARTAR_AUX_DIR="${KERNEL_AUX_DIR}/${VARTAR_SUBDIR}"
##########################################################
## Include config file + initialise some more variables ##
##########################################################
# Include config file, but do not override variables which are already defined
# in the environment, e.g. via "make FREETZ_SOMETHING=y"
sed -nr 's/^([^=]+)=(.*)/: ${\1:=\2}/p' "$DOT_CONFIG" > "$DOT_CONFIG.fwmod"
source "$DOT_CONFIG.fwmod"
rm "$DOT_CONFIG.fwmod"
# Verbosity level of fwmod
FREETZ_VERBOSITY_LEVEL="$FREETZ_VERBOSITY_FWMOD"
# Set default verbosity level, just in case none was defined in the (possibly
# user-defined and minimal) config file
: ${FREETZ_VERBOSITY_LEVEL:=0}
[ "$FREETZ_VERBOSITY_LEVEL" -lt 2 ] && PV=''
# Kernel/SquashFS images contained in firmware
KERNEL_IMAGE="${FREETZ_AVM_IMAGES_SUBDIR}/kernel.image"
FILESYSTEM_IMAGE="${FREETZ_AVM_IMAGES_SUBDIR}/filesystem.image"
FILESYSTEM_INNER_IMAGE="filesystem_core.squashfs"
AVMPLUGINS_FILE="${FREETZ_AVM_IMAGES_SUBDIR}/plugins.update"
# Use FREETZ_TARGET_CROSS to determine build tool paths
NM="${ABS_BASE_DIR}/toolchain/target/bin/${FREETZ_TARGET_CROSS}nm"
STRIP="${ABS_BASE_DIR}/toolchain/target/bin/${FREETZ_TARGET_CROSS}strip"
# Tools and options for (un)packing SquashFS
UNSQUASHFS_TOOL="unsquashfs4-avm-${FREETZ_AVM_SQUASHFS_ENDIANNESS}"
UNSQUASHFS="${TOOLS_DIR}/${UNSQUASHFS_TOOL}"
UNSQUASHFS_OPTIONS="-no-progress -exit-on-error"
MKSQUASHFS_TOOL[2]="mksquashfs2-lzma"
MKSQUASHFS_TOOL[3]="mksquashfs3-multi"
MKSQUASHFS_TOOL[4]="mksquashfs4-avm-${FREETZ_AVM_SQUASHFS_ENDIANNESS}"
MKSQUASHFS="${TOOLS_DIR}/${MKSQUASHFS_TOOL[${FREETZ_SQUASHFS_VERSION}]}"
MKSQUASHFS_OPTIONS="-all-root -info"
if [ "${FREETZ_SQUASHFS_VERSION}" -gt 2 ]; then
MKSQUASHFS_OPTIONS+=" -no-progress -no-exports -no-sparse"
fi
if [ "${FREETZ_SQUASHFS_VERSION}" -lt 4 ]; then
MKSQUASHFS_OPTIONS+=" -noappend"
MKSQUASHFS_OPTIONS+=" -${FREETZ_AVM_SQUASHFS_ENDIANNESS}"
fi
if [ "${FREETZ_SQUASHFS_VERSION}" -eq 3 -a "${FREETZ_AVM_SQUASHFS_COMPRESSION}" == "lzma" ]; then
MKSQUASHFS_OPTIONS+=" -lzma1"
fi
#################################
## Validate firmware signature ##
#################################
# validate_signature
# $1 ("1") when signature validating is enabled
# $2 (img) the .image file to validate
# $3 (key) public key, format: "EXPONENTxMODULUS". If no EXPONENT is given, default 010001 will be used (as in all images at the moment)
validate_signature() {
echo -n "checking signature: "
[ "$1" != "1" ] && echo -e "\033[1;33mdisabled\033[0m" && return
[ -z "$3" ] && echo -e "\033[1;34munknown\033[0m" && error 1 "no public key available to validate signature"
# var
local TMP="$(mktemp -dt freetz-sig-XXX)"
local MOD="${3#*x}"
local EXP="${3%x*}"
[ "$EXP" == "$MOD" ] && EXP='010001'
if [ "$FREETZ_FWMOD_VALIDATE_METHOD_SI" == "y" ]; then
echo -e "$MOD\n$EXP" > "$TMP/sig"
${TOOLS_DIR}/yf/signimage/yf_check_signature "$2" -a "$TMP/sig" 2> "$TMP/out"
RET=$?
[ $RET -ne 0 ] && echo -e "\033[0;31mfailed\033[0m" && cat "$TMP/out"
rm -rf "$TMP"
[ $RET -ne 0 ] && error $RET "image could not be verified with public key"
else
# img
cat "$2" > "$TMP/img"
# fix
local FIX="$(mktemp -p $TMP)"
"$TAR_GNU" -f "$TMP/img" --owner=0 --group=0 --numeric-owner --format=oldgnu -C "$TMP" --append ${FIX##*/}
# sig
"$TAR_GNU" -f "$TMP/img" --owner=0 --group=0 --numeric-owner --format=oldgnu -C "$TMP" --extract ./var/signature --transform='s!.*!sig!'
"$TAR_GNU" -f "$TMP/img" --owner=0 --group=0 --numeric-owner --format=oldgnu --delete ./var/signature ${FIX##*/}
# key
{
echo -n 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQ==' | base64 -d
echo -n "$MOD" | while read -n2 x; do echo -ne "\x$x"; done
echo -ne "\x2"
echo -ne "\x$((${#EXP}/2))"
echo -n "$EXP" | while read -n2 x; do echo -ne "\x$x"; done
} > "$TMP/key"
# chk
VAL="$(openssl md5 -verify "$TMP/key" -keyform der -signature "$TMP/sig" "$TMP/img" 2>&1)"
RET="$?"
# clr
rm -rf "$TMP"
# act
[ "$RET" != "0" ] && echo -e "\033[0;31mfailed\033[0m\nOpenSSL: $VAL" && error 1 "image could not be verified with public key"
fi
echo -e "\033[0;32mvalid\033[0m"
}
# validate_signature only
[ $DO_VALIDATE -eq 1 -a $(($DO_UNPACK + $DO_MOD + $DO_PACK + $DO_ZIP)) -eq 0 ] && validate_signature "$DO_VALIDATE" "$FIRMWARE" "$FIRMWARE_PUB" && exit 0
##############################################
## Initialise fakeroot/pseudo incl. caching ##
##############################################
# Create id string based on MD5 hashes of firmware images
FIRMWARE_MD5="$("$MD5SUM" "$FIRMWARE" | cut -d ' ' -f 1)"
[ "$FIRMWARE2" ] && FIRMWARE_MD5="$FIRMWARE_MD5-$("$MD5SUM" "$FIRMWARE2" | cut -d ' ' -f 1)"
[ "$FREETZ_ROOTEMU_FAKEROOT" != 'y' ] && FIRMWARE_MD5="$FIRMWARE_MD5-pseudo" || FIRMWARE_MD5="$FIRMWARE_MD5-fakeroot"
FAKEROOT_CACHE_DIR="$ABS_BASE_DIR/.fakeroot-cache"
[ "$FREETZ_ROOTEMU_FAKEROOT" != 'y' ] && FAKEROOT_CACHE_DB="$FAKEROOT_CACHE_DIR/files.db" || FAKEROOT_CACHE_DB="$FAKEROOT_CACHE_DIR/fakeroot.cvs"
# Are we in a fakeroot/pseudo context?
if [ -n "$FWMOD_RECURSIVE" ] && [ $UID -eq 0 ]; then
# Yes -> fakeroot/pseudo is active
# Make sure fakeroot/pseudo call came from ourselves so we can assume the cache settings to be correct
if [ $((FWMOD_RECURSIVE)) -eq 0 ] || [ "./$SELF" != "$(cat /proc/$FWMOD_RECURSIVE/cmdline | tr '\0' '\n' | sed -n 2p)" ]; then
error 1 "$SELF must not run in a fakeroot/pseudo environment"
fi
# Has current combination of firmware already been unpacked?
if [ "$(cat "$UNPACKED_FILE" 2>/dev/null)" == "$FIRMWARE_MD5" ]; then
# Yes -> skip unpack
[ $DO_UNPACK -gt 0 ] && SKIP_UNPACK="STEP 1: UNPACK (SKIPPED)\n\n"
DO_UNPACK=0
else
# No -> force unpack
[ $DO_UNPACK -eq 0 ] && FORCE_UNPACK=" (FORCED)"
DO_UNPACK=1
fi
else
# No -> fakeroot/pseudo is inactive
if [ "$(cat "$UNPACKED_FILE" 2>/dev/null)" != "$FIRMWARE_MD5" ]; then
# Dont keep old databases on a new unpack
mkdir -p "$FAKEROOT_CACHE_DIR"
rm -f $FAKEROOT_CACHE_DIR/*
fi
if [ "$FREETZ_ROOTEMU_FAKEROOT" != 'y' ]; then
PSEUDO_PREFIX="$TOOLS_DIR/build" PSEUDO_LOCALSTATEDIR="$FAKEROOT_CACHE_DIR" "$TOOLS_DIR/build/bin/pseudo" -B &>/dev/null #scan
FWMOD_RECURSIVE="$$" PSEUDO_PREFIX="$TOOLS_DIR/build" PSEUDO_LOCALSTATEDIR="$FAKEROOT_CACHE_DIR" PSEUDO_DEBUG="0" "$TOOLS_DIR/build/bin/pseudo" '--' "${CMDLINE_ORIG[@]}"
PSEUDO_PREFIX="$TOOLS_DIR/build" PSEUDO_LOCALSTATEDIR="$FAKEROOT_CACHE_DIR" "$TOOLS_DIR/build/bin/pseudo" -S &>/dev/null #halt
else
# Has current combination of firmware already been unpacked?
if [ "$(cat "$UNPACKED_FILE" 2>/dev/null)" == "$FIRMWARE_MD5" ]; then
# Yes -> use existing cache and firmwares (no unpack necessary)
NON_FAKEROOT_USERNAME=$(id -u -n) FWMOD_RECURSIVE=$$ $TOOLS_DIR/build/bin/fakeroot -i "$FAKEROOT_CACHE_DB" -s "$FAKEROOT_CACHE_DB" '--' "${CMDLINE_ORIG[@]}"
else
# No -> create new fakeroot cache and unpack firmwares
NON_FAKEROOT_USERNAME=$(id -u -n) FWMOD_RECURSIVE=$$ $TOOLS_DIR/build/bin/fakeroot -s "$FAKEROOT_CACHE_DB" '--' "${CMDLINE_ORIG[@]}"
fi
fi
retval=$?
[ $retval -eq 0 ] || exit $retval
# ------------------------------------------------------------------
# -- Copy file system to target folder (NFS root, maybe USB root) --
# ------------------------------------------------------------------
# This cannot be done in the pack/zip section (needs real sudo, not fakeroot/pseudo)
if [ "$COPY_FS_DIR" ]; then
echo0 "copying root file system to directory $COPY_FS_DIR"
rootfs_archive="$(cat "${DIR}/.rootfs_archive")" ||
error 1 "cannot determine root file system archive name"
[ -d "$COPY_FS_DIR" ] && (sudo rm -rf "$COPY_FS_DIR"/* ||
error 1 "cannot clean up directory $COPY_FS_DIR")
mkdir -p "$COPY_FS_DIR" ||
error 1 "cannot create directory $COPY_FS_DIR"
sudo "$TAR_BBA" -C "$COPY_FS_DIR" -xf "$rootfs_archive" ||
error 1 "cannot unpack root file system"
echo -e "done.\n"
fi
echo0 -b "FINISHED"
exit 0
fi
############################################
## Unpack and unsquash the firmware image ##
############################################
ORG_DIR="${DIR}/original"
FIRMWARE_DIR="${ORG_DIR}/${FIRMWARE_SUBDIR}"
FITIMAGE_DIR="${ORG_DIR}/${FITIMAGE_SUBDIR}"
FILESYSTEM_DIR="${ORG_DIR}/${FILESYSTEM_SUBDIR}"
FILESYSTEM_OUTER_DIR="${ORG_DIR}/${FILESYSTEM_OUTER_SUBDIR}"
KERNEL_DIR="${ORG_DIR}/${KERNEL_SUBDIR}"
AVMPLUGINS_DIR="${KERNEL_DIR}/${AVMPLUGINS_SUBDIR}"
VARTAR_DIR="${KERNEL_DIR}/${VARTAR_SUBDIR}"
HTML_DIR="${FILESYSTEM_DIR}/${HTML_SUBDIR}"
RAW_KERNEL="${KERNEL_DIR}/${RAW_KERNEL_FILE}"
RAW_FILESYSTEM="${KERNEL_DIR}/${RAW_HIDDEN_FILE}"
KERNEL="${FIRMWARE_DIR}/${KERNEL_IMAGE}"
if [ "${FREETZ_AVM_HAS_SEPARATE_FILESYSTEM_IMAGE}" == "y" ]; then
if [ "${FREETZ_AVM_HAS_INNER_OUTER_FILESYSTEM}" == "y" ]; then
FILESYSTEM="${FILESYSTEM_OUTER_DIR}/${FILESYSTEM_INNER_IMAGE}"
INNER_FS_PREFIX="inner-"
else
FILESYSTEM="${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}"
fi
else
FILESYSTEM="${RAW_FILESYSTEM}"
fi
AVMPLUGINS="${FIRMWARE_DIR}/${AVMPLUGINS_FILE}"
VARTAR="${FILESYSTEM_DIR}/${VARTAR_FILE}"
echo
STEP="1"
if [ "$DO_UNPACK" -gt 0 ]; then
[ "$FIRMWARE2" ] && UNPACK_SUBSTEP="A" && UNPACK_MAIN=" 1ST"
echo0 -b "STEP 1${UNPACK_SUBSTEP}: UNPACK${UNPACK_MAIN}${FORCE_UNPACK}"
# Remove old "unpacked" marker to avoid an undefined state in case of
# interruption before unpacking operation is finished
rm -f "$UNPACKED_FILE"
REAL_FIRMWARE="$(readlink ${FIRMWARE} 2>/dev/null || echo ${FIRMWARE##*/})"
echo2 -l "source firmware file: ${FIRMWARE/${FIRMWARE##*\/}/$REAL_FIRMWARE}"
rm -rf "$ORG_DIR"
mkdir "$ORG_DIR"
# validate_signature
if [ "$FIRMWARE_EXTENSION" == "cvc" ]; then
[ $DO_VALIDATE -ne 1 ] && validate_signature "$DO_VALIDATE"
elif [ "$FIRMWARE_EXTENSION" != "exe" ]; then
validate_signature "$DO_VALIDATE" "$FIRMWARE" "$FIRMWARE_PUB"
else
validate_signature "0"
fi
echo "unpacking firmware image"
mkdir "$FIRMWARE_DIR"
if [ "$FIRMWARE_EXTENSION" == "cvc" ]; then
# Check and skip garbage (cvc&p7b)
image_size="0x$(printf "%08X\n" $(stat -c %s "$FIRMWARE"))"
image_grbg="$($TOOLS_DIR/sfk hexfind "$FIRMWARE" _./var/_ | sed -n 's/.*hit at offset //p' |head -n1)"
[ -n "$image_grbg" ] && echo "Skipping $(($image_grbg)) Bytes garbage"
# validate_signature
if [ $DO_VALIDATE -eq 1 ]; then
TMP_SIG="$(mktemp -t freetz-sig-XXX)"
tail -c $(( $image_size - ${image_grbg:-0x0} )) "$FIRMWARE" > "$TMP_SIG"
validate_signature "$DO_VALIDATE" "$TMP_SIG" "$FIRMWARE_PUB"
rm "$TMP_SIG"
fi
# Unpack standard *.image file in tar format
tail -c $(( $image_size - ${image_grbg:-0x0} )) "$FIRMWARE" | \
"$TAR_GNU" -x --owner=0 --group=0 --numeric-owner -C "$FIRMWARE_DIR" || untar_failed=1
elif [ "$FIRMWARE_EXTENSION" != "exe" ]; then
# Unpack standard *.image file in tar format
"$TAR_GNU" -xif "$FIRMWARE" --owner=0 --group=0 --numeric-owner -C "$FIRMWARE_DIR" || untar_failed=1
fi
if [ "$FIRMWARE_EXTENSION" == "exe" ] || [ "$untar_failed" ]; then
# Unpack Windows recover.exe file or mtdblock dump
exe_images=($("${TOOLS_DIR}/extract-images" "$ABS_BASE_DIR" "$FIRMWARE" | sed -nr 's/^ *(.*\.image) - .*/\1/p'))
[ "$exe_images" ] || error 1 "unpacking failed"
mkdir -p "$FIRMWARE_DIR/${FREETZ_AVM_IMAGES_SUBDIR}"
mkdir "$KERNEL_DIR"
unset exe_hr_mode
# NOTE: This loop is sensitive to the order and format of output of
# "tools/extract-images", e.g. a hidden root image is always listed
# before its parts.
for (( i=0; i<${#exe_images[@]}; i++ )); do
exe_image="${exe_images[i]}"
case "$exe_image" in
*/urlader.image)
mv "$exe_image" "$FIRMWARE_DIR/${FREETZ_AVM_IMAGES_SUBDIR}"
;;
*/hr_kernel.image)
exe_hr_mode=1
mv "$exe_image" "$FIRMWARE_DIR/${FREETZ_AVM_IMAGES_SUBDIR}/kernel.image"
touch "$FIRMWARE_DIR/${FREETZ_AVM_IMAGES_SUBDIR}/filesystem.image"
;;
*/kernel.image)
[ "$exe_hr_mode" ] || cp "$exe_image" "$FIRMWARE_DIR/${FREETZ_AVM_IMAGES_SUBDIR}/kernel.image"
mv "$exe_image" "$KERNEL_DIR/kernel.raw"
;;
*/filesystem.image)
if [ "$exe_hr_mode" ]; then
mv "$exe_image" "$KERNEL_DIR/kernelsquashfs.raw"
else
mv "$exe_image" "$FIRMWARE_DIR/${FREETZ_AVM_IMAGES_SUBDIR}/filesystem.image"
fi
;;
esac
done
rm -r "$(dirname "$exe_image")"
fi
if [ -e "$FIRMWARE_DIR/var/firmware-update.uimg" ]; then
echo0 "unpacking uimg file"
"${TOOLS_DIR}/uimg" -u "$FIRMWARE_DIR/var/firmware-update.uimg" >/dev/null
chmod +w $FIRMWARE_DIR/var/*.bin
mkdir -p "$FIRMWARE_DIR/var/remote/var/tmp/x86"
ln $FIRMWARE_DIR/var/*_ATOM_ROOTFS.bin "$FIRMWARE_DIR/var/remote/var/tmp/x86/filesystem.image"
ln $FIRMWARE_DIR/var/*_ATOM_KERNEL.bin "$FIRMWARE_DIR/var/remote/var/tmp/x86/kernel.image"
elif [ -e "$FIRMWARE_DIR/var/tmp/fit-image" ]; then
echo0 "unpacking fitimg file"
$TOOLS_DIR/fit.sh unpack "$FIRMWARE_DIR/var/tmp/fit-image" "$FITIMAGE_DIR" || error 1 "unpacking failed"
for x in kernel filesystem; do ln $FITIMAGE_DIR/$x.image $FIRMWARE_DIR/var/tmp/; done
fi
# Do the images exist ?
[ ! -r "${KERNEL}" ] && error 1 "cannot find kernel.image (${KERNEL})"
[ ! -r "${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}" ] && error 1 "cannot find filesystem.image (${FIRMWARE_DIR}/${FILESYSTEM_IMAGE})"
# Remove NMI vector from SquashFS
if [ "$FREETZ_AVM_HAS_NMI_VECTOR" == "y" ]; then
echo0 "removing NMI vector from SquashFS"
[ "$FREETZ_AVM_HAS_SEPARATE_FILESYSTEM_IMAGE" == "y" ] && FILE_WITH_NMI_VECTOR_TO_PROCESS="${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}" || FILE_WITH_NMI_VECTOR_TO_PROCESS="$KERNEL"
if [ "$FREETZ_VERBOSITY_LEVEL" -lt 2 ]; then
"$TOOLS_DIR/remove-nmi-vector" "$FILE_WITH_NMI_VECTOR_TO_PROCESS" "$FILE_WITH_NMI_VECTOR_TO_PROCESS.no-nmi" >/dev/null 2>&1
else
"$TOOLS_DIR/remove-nmi-vector" "$FILE_WITH_NMI_VECTOR_TO_PROCESS" "$FILE_WITH_NMI_VECTOR_TO_PROCESS.no-nmi"
fi
case "$?" in
0) mv -f "$FILE_WITH_NMI_VECTOR_TO_PROCESS.no-nmi" "$FILE_WITH_NMI_VECTOR_TO_PROCESS" ;;
1) warn2 "NMI vector not found. Assuming Freetz or Freetz-repacked image." ;;
*) error 1 "fatal error while removing NMI vector from SquashFS." ;;
esac
fi
[ ! -x "$TICHKSUM" ] && error 1 "cannot find the tool $TICHKSUM"
"$TICHKSUM" -r "${KERNEL}" > /dev/null
"$TICHKSUM" -r "${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}" > /dev/null
mkdir -p "$KERNEL_DIR"
if [ "${FREETZ_AVM_HAS_SEPARATE_FILESYSTEM_IMAGE}" == "y" ]; then
cp "${KERNEL}" "${RAW_KERNEL}"
[ ! -r "$RAW_KERNEL" ] && error 1 "copying kernel image failed"
if [ "${FREETZ_AVM_HAS_INNER_OUTER_FILESYSTEM}" == "y" ]; then
echo "unpacking outer-filesystem image"
modunpack_autodetect_fs "${FILESYSTEM_OUTER_DIR}" "${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}"
[ ! -r "$FILESYSTEM" ] && error 1 "unpacking outer-filesystem image failed"
fi
echo "unpacking ${INNER_FS_PREFIX}filesystem image"
modunpack_autodetect_fs "$FILESYSTEM_DIR" "$FILESYSTEM" || error 1 "unpacking ${INNER_FS_PREFIX}filesystem image failed"
else
[ ! -x "$FINDSQUASHFS" ] && error 1 "cannot find the tool $FINDSQUASHFS"
echo "splitting kernel image"
( cd "$KERNEL_DIR" && "${TOOLS_DIR}/${FINDSQUASHFS_TOOL}" "../${FIRMWARE_SUBDIR}/${KERNEL_IMAGE}" > /dev/null 2>&1 )
if [ ! -r "$RAW_KERNEL" -o ! -r "$FILESYSTEM" ]; then
if [ -r "${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}" ] && [ $(stat -c %s "${FIRMWARE_DIR}/${FILESYSTEM_IMAGE}") -gt 0 ]; then
_config_hint=" - maybe you should configure a firmware with FREETZ_AVM_HAS_SEPARATE_FILESYSTEM_IMAGE/FREETZ_AVM_HAS_INNER_OUTER_FILESYSTEM"
fi
error 1 "kernel splitting failed${_config_hint}"
fi
echo "unpacking filesystem image"
modunpack_autodetect_fs "$FILESYSTEM_DIR" "$FILESYSTEM" || error 1 "unpacking filesystem image failed"
fi
if [ -r "$AVMPLUGINS" ]; then
echo0 "unpacking AVM plugins"
mkdir -p "$AVMPLUGINS_DIR"
"$TAR_GNU" -xif "$AVMPLUGINS" --owner=0 --group=0 --numeric-owner -C "$AVMPLUGINS_DIR" || error 1 "tar failed"
for i in "${AVMPLUGINS_DIR}/var/"*.image; do
AVMPLUGIN="${i##*/plugin-}"
AVMPLUGIN="${AVMPLUGIN%\.image}"
echo2 "$AVMPLUGIN image"
modunpack_autodetect_fs "$AVMPLUGINS_DIR/plugin-${AVMPLUGIN}" "$i" > /dev/null
done
chmod -R +w "$AVMPLUGINS_DIR"
fi
if [ ! -r "$FILESYSTEM_DIR/var" ]; then
error 1 "could not unpack the filesystem image"
fi
if [ ! -r "$VARTAR" ]; then
error 1 "no var.tar found"
fi
echo "unpacking var.tar"
mkdir "$VARTAR_DIR"
"$TAR_GNU" -xipf "$VARTAR" --owner=0 --group=0 --numeric-owner -C "$VARTAR_DIR" || error 1 "tar failed"
image_details
echo2 -lc "detected firmware version: ${SOURCE_IMAGE_DETAILS}"
echo -e "done.\n"
# Unpack secondary firmware image
if [ -n "$FIRMWARE2" ]; then
rm -rf "${DIR}/.tk"
# validate_signature
[ $DO_VALIDATE2 -eq 1 ] && UNPACK_VALIDATE2="-v $FIRMWARE2_PUB"
( set -o pipefail; "$0" -u $UNPACK_VALIDATE2 -d "${DIR}/.tk" "$FIRMWARE2" |
sed "s/STEP 1: UNPACK/STEP 1B: UNPACK 2ND${FORCE_UNPACK}/" )
[ $? -ne 0 ] && error 1 "unpacking failed"
fi
# Unpack auxiliary firmware image
if [ -n "$FIRMWARE3" ]; then
rm -rf "${DIR}/.aux"
# validate_signature
[ $DO_VALIDATE3 -eq 1 ] && UNPACK_VALIDATE3="-v $FIRMWARE3_PUB"
( set -o pipefail; "$0" -u $UNPACK_VALIDATE3 -d "${DIR}/.aux" "$FIRMWARE3" |
sed "s/STEP 1: UNPACK/STEP 1C: UNPACK 3RD${FORCE_UNPACK}/" )
[ $? -ne 0 ] && error 1 "unpacking failed"
fi
# Create "unpacked" marker, recording exactly *what* was unpacked (MD5)
echo "$FIRMWARE_MD5" > "$UNPACKED_FILE"
fi
echo0 -n -b "$SKIP_UNPACK"
###############################################
# Lets copy and modify the unpacked firmware ##
###############################################
# FREETZ_LIBRARY_DIR is the 1st FREETZ_RPATH entry
FREETZ_LIBRARY_DIR=$(stripTrailingSlash "${FREETZ_RPATH%%:*}")
MOD_DIR="${DIR}/modified"
FIRMWARE_MOD_DIR="${MOD_DIR}/${FIRMWARE_SUBDIR}"
FITIMAGE_MOD_DIR="${MOD_DIR}/${FITIMAGE_SUBDIR}"
FILESYSTEM_MOD_DIR="${MOD_DIR}/${FILESYSTEM_SUBDIR}"
FILESYSTEM_OUTER_MOD_DIR="${MOD_DIR}/${FILESYSTEM_OUTER_SUBDIR}"
EXTERNAL_MOD_DIR="${MOD_DIR}/${EXTERNAL_SUBDIR}"
KERNEL_MOD_DIR="${MOD_DIR}/${KERNEL_SUBDIR}"
AVMPLUGINS_MOD_DIR="${KERNEL_MOD_DIR}/${AVMPLUGINS_SUBDIR}"
AVMPLUGINS_FILESYSTEM_MOD_DIR="${FILESYSTEM_MOD_DIR}/usr/share/avmplugins"
VARTAR_MOD_DIR="${KERNEL_MOD_DIR}/${VARTAR_SUBDIR}"
KERNEL_MOD="${FIRMWARE_MOD_DIR}/${KERNEL_IMAGE}"
FILESYSTEM_MOD="${FIRMWARE_MOD_DIR}/${FILESYSTEM_IMAGE}"
RAW_KERNEL_MOD="${KERNEL_MOD_DIR}/${RAW_KERNEL_FILE}"
RAW_FILESYSTEM_MOD="${KERNEL_MOD_DIR}/${RAW_HIDDEN_FILE}"
if [ "${FREETZ_AVM_HAS_SEPARATE_FILESYSTEM_IMAGE}" == "y" ]; then
if [ "${FREETZ_AVM_HAS_INNER_OUTER_FILESYSTEM}" == "y" ]; then
MAIN_FILESYSTEM_MOD="${FILESYSTEM_OUTER_MOD_DIR}/${FILESYSTEM_INNER_IMAGE}"
else
MAIN_FILESYSTEM_MOD="$RAW_FILESYSTEM_MOD"
fi
else
MAIN_FILESYSTEM_MOD="$RAW_FILESYSTEM_MOD"
fi
VARTAR_MOD="${FILESYSTEM_MOD_DIR}/${VARTAR_FILE}"
[ "${FREETZ_SYSTEM_TYPE_BCM63138}" == "y" ] && TARGET_TOOLCHAIN_ID__GCC_SUFFIX="-bcm"
[ "${FREETZ_AVM_UCLIBC_NPTL_ENABLED}" == "y" ] && TARGET_TOOLCHAIN_ID__UCLIBC_SUFFIX="-nptl"
[ "${FREETZ_KERNEL_VERSION_3_10_MIN}" == "y" ] && TARGET_TOOLCHAIN_ID__KERNEL_SUFFIX="_kernel-${FREETZ_KERNEL_VERSION_MAJOR}"
TARGET_TOOLCHAIN_ID="${FREETZ_TARGET_ARCH_ENDIANNESS_DEPENDENT}_gcc-${FREETZ_TARGET_GCC_VERSION}${TARGET_TOOLCHAIN_ID__GCC_SUFFIX}_uClibc-${FREETZ_TARGET_UCLIBC_VERSION}${TARGET_TOOLCHAIN_ID__UCLIBC_SUFFIX}${TARGET_TOOLCHAIN_ID__KERNEL_SUFFIX}"
PACKAGES_DIR="${PACKAGES_DIR_ROOT}/target-${TARGET_TOOLCHAIN_ID}"
TARGET_SPECIFIC_ROOT_DIR="${PACKAGES_DIR}/root"
HTML_MOD_DIR="${FILESYSTEM_MOD_DIR}/${HTML_SUBDIR}"
# $LUA_MOD_DIR can't be defined here. eg: ${FILESYSTEM_MOD_DIR}/usr/www/all/lua
# $HTML_LANG_MOD_DIR can't be defined here. eg: ${FILESYSTEM_MOD_DIR}/usr/www/all
# $HTML_SPEC_MOD_DIR can't be defined here. eg: ${FILESYSTEM_MOD_DIR}/usr/www/all/html/de
# $MENU_DATA_LUA will be set below to ${FILESYSTEM_MOD_DIR}/usr/lua/menu_data.lua or ${HTML_LANG_MOD_DIR}/menus/menu_data.lua or filenotavailable
# $SYSTEMD_CORE_MOD_DIR will be set below to ${FILESYSTEM_MOD_DIR}/etc/boot.d/core if it exists
if [ -z "$FREETZ_SQUASHFS_BLOCKSIZE" ]; then # expected to be empty only if FREETZ_SQUASHFS_BLOCKSIZE_ORIG is set
[ ! -x "$UNSQUASHFS" ] && error 1 "cannot find the tool $UNSQUASHFS"
echo -n "determining SquashFS block size of the original firmware: "
FREETZ_SQUASHFS_BLOCKSIZE=$("$UNSQUASHFS" -s "$FILESYSTEM" 2>/dev/null | sed -nr 's/Block size ([0-9]+)/\1/p')
[ -z "$FREETZ_SQUASHFS_BLOCKSIZE" ] && error 1 "failed" || echo -e "$((FREETZ_SQUASHFS_BLOCKSIZE/1024)) kB\n"
fi
MKSQUASHFS_OPTIONS+=" -b $FREETZ_SQUASHFS_BLOCKSIZE"
#echo "Using '$MKSQUASHFS_OPTIONS' as MKSQUASHFS_OPTIONS"
if [ "$FREETZ_SIZEINFO_COMPRESSED" == "y" ]; then
let FILESYSTEM_BLOCKSIZE_KB=$FREETZ_SQUASHFS_BLOCKSIZE/1024
SIZEINFO_CACHEDIR=${PACKAGES_DIR}/freetzcachedsizes
mkdir -p ${SIZEINFO_CACHEDIR}
fi
function sizeinfo()
{
[ "$FREETZ_VERBOSITY_LEVEL" -lt 1 ] && return
#formated output
if [ $# -eq 1 ]; then
if [ "$FREETZ_SIZEINFO_COMPRESSED" != "y" ]; then
echo1 "$1"
else
echo1 -n "$(printf "%-34s " "${1:0:31}" | sed 's/ /\./g;s/\.\./ ./;s/\.(addon)/ (addon)/')"
fi
return
fi
[ "$FREETZ_SIZEINFO_COMPRESSED" != "y" ] && return
#cache file
local sizeinfo_mode=$1
shift
case $sizeinfo_mode in
lib) #libraries: multiple files
local shash="$(ls -l $@ | sort | $MD5SUM)"
local sfile="${SIZEINFO_CACHEDIR}/$(echo $@ | sed -rn 's!.*/(.*)\.so.*!\1!p').sizeinfo.MD5_${shash/ */}.BS_${FILESYSTEM_BLOCKSIZE_KB}"
;;
mod) #modules: one .ko file
local shash="$(ls -l $1 | $MD5SUM)"
local sfile="${SIZEINFO_CACHEDIR}/${1##*/}.sizeinfo.MD5_${shash/ */}.BS_${FILESYSTEM_BLOCKSIZE_KB}"
;;
pkg) #packages: files (without .excluded)
local shash="$(echo $* | sort | $MD5SUM)"
local sfile="${1}/.sizeinfo.MD5_${shash/ */}.BS_${FILESYSTEM_BLOCKSIZE_KB}"
shift
;;
dir) #addons/plugins: one directory
local shash="$(find $1 -type f -exec ls -l {} ';' | $MD5SUM)"
local sfile="${SIZEINFO_CACHEDIR}/${1##*/}.sizeinfo.MD5_${shash/ */}.BS_${FILESYSTEM_BLOCKSIZE_KB}"
;;
*)
echo "invalid"
return
;;
esac
#compressed size
if [ ! -s "$sfile" ]; then
if [ $# -eq 0 ]; then
echo -n " 0.00 kB (uncompressed: 0.00 kB)" > ${sfile}
else
local tempf=/tmp/freetz-sizeinfo-$$.tmp
"$MKSQUASHFS" $@ $tempf $MKSQUASHFS_OPTIONS 2>/dev/null | grep -A1 ^Filesystem \
| sed -n 'N;s!Filesystem size \(.*\)ytes (.*\n.*(\(.*\)ytes.*$!\1 \2!p' \
| awk '{printf "%8s%3s (uncompressed:%8s%3s)",$1,$2,$3,$4}' > ${sfile}
rm -rf $tempf 2>/dev/null
fi
fi
#uncompressed size
if [ "$FREETZ_SIZEINFO_UNCOMPRESSED" = "y" ]; then
cat ${sfile}
else
cat ${sfile} | sed 's/(uncompressed.*//'
fi
echo
}
image_details
STEP="2"
if [ "$DO_MOD" -gt 0 ]; then
echo0 -b "STEP 2: MODIFY"
# Check if firmware is unpacked
if [ ! -r "$UNPACKED_FILE" ]; then
error 1 "firmware image has to be unpacked before modifying"
fi
rm -rf "$MOD_DIR"
rm -f "${DIR}/.modified"
# Copy the unpacked directory
[ -n "$PV" ] && echo0 "preparing directory build/modified/"
mkdir -p "$MOD_DIR"
[ "$FREETZ_AVM_HAS_UDEV" == y ] || exclude_dev="--exclude=./filesystem/dev"
"$TAR_GNU" -c --owner=0 --group=0 --numeric-owner -C "$ORG_DIR" $exclude_dev --exclude='*.log' . | ${PV:-cat} | "$TAR_BBA" -x -C "$MOD_DIR" || error 1 "tar failed"
# Fix some permissions
find "${FILESYSTEM_MOD_DIR}" ! -type l -exec chmod u+w {} '+'
find "${FILESYSTEM_MOD_DIR}" "${VARTAR_MOD_DIR}" -type d -exec chmod 755 {} '+'
# Give all users write permissions to /var/tmp to allow it to be used as a temp-directory.
# Set sticky bit to prevent users from deleting/renaming files they are not the owners of.
# NB: The permissions set are the regular temp-directory permissions on Unix-like systems.
chmod 1777 "${VARTAR_MOD_DIR}/var/tmp"
# determine OEMs supported by the original firmware
all_known_oems="1und1 aol avm avme ewetel freenet otwo tcom versatel"
iterate_over_oems_pattern='for[ ]+i[ ]+in[ ]+('"${all_known_oems// /|}"')[^;]*;[ ]*do'
oems=$(sed -n -r -e '/'"${iterate_over_oems_pattern}"'/ { s/^.*for[ ]+i[ ]+in[ ]+([^;]+);[ ]+do.*$/\1/p; q }' "${FIRMWARE_MOD_DIR}/var/install")
[ -z "$oems" ] && for oem in ${FILESYSTEM_MOD_DIR}/etc/default.Fritz_Box_*/*; do oems="$oems ${oem##*/}"; done
[ -z "$oems" ] && error 1 "failed to determine OEMs supported by the original firmware"
echo0 -n "applying symlinks, deleting additional webinterfaces"
echo1 -ln " in:"
for webdir in \
${FILESYSTEM_MOD_DIR}/usr/www \
${FILESYSTEM_MOD_DIR}/usr/www.nas \
${FILESYSTEM_MOD_DIR}/usr/www.myfritz \
; do
[ ! -d ${webdir} ] && continue
for edition in ewetel; do
[ ! -d ${webdir}/$edition ] && continue
[ -d ${webdir}/avm ] && continue
[ -d ${webdir}/all ] && continue
# force creation of /usr/www/all/
mv ${webdir}/$edition ${webdir}/avm
done
# some recent LTE firmwares contain both avm and avme OEMs (identical in all firmwares seen so far)
# use the 1st of them (according to the alphabetical order) as the main one
main_oem=$(find "${webdir}" -maxdepth 1 -type d -name "avm*" -printf "%P\n" | sort | head -n 1)
if [ -n "${main_oem}" ]; then
echo1 -ln " ${webdir#${FILESYSTEM_MOD_DIR}/}"
mv ${webdir}/${main_oem} ${webdir}/all
for i in $oems; do
rm -rf ${webdir}/$i
ln -s all ${webdir}/$i
done
fi
done
echo0
echo0 "applying patches"
# Include patching helper function (modpatch)
source "${TOOLS_DIR}/freetz_patch" || error 1 "cannot find script freetz_patch"
PATCHES_DEVICES_DIR_FW_SERIES_SPECIFIC="${PATCHES_DEVICES_DIR}/${FREETZ_TYPE_PREFIX_SERIES_SUBDIR}"
PATCHES_DEVICES_DIR_BOX_SPECIFIC="${PATCHES_DEVICES_DIR_FW_SERIES_SPECIFIC}/${FREETZ_TYPE_PREFIX%_*}"
declare -a PATCHES_DEVICES_DIR_FULL_LIST=($(
for j in \
${PATCHES_DEVICES_DIR_FW_SERIES_SPECIFIC} \
${PATCHES_DEVICES_DIR_BOX_SPECIFIC} \
$( [ -n "${FREETZ_TYPE_PREFIX_LABOR_FIRMWARE}" ] && echo "${PATCHES_DEVICES_DIR_BOX_SPECIFIC}/${FREETZ_TYPE_PREFIX_LABOR_FIRMWARE:1}" ) \
; do
for i in $j $j/${FREETZ_TYPE_LANGUAGE}; do
echo "${i}"
done
done
))
# Apply patches
if [ -d "$FREETZ_TYPE_PREFIX_SERIES_SUBDIR" ]; then
echo1 "applying patches: ${FREETZ_TYPE_PREFIX_SERIES_SUBDIR}/${FREETZ_TYPE_PREFIX}${FREETZ_TYPE_PREFIX_LABOR_FIRMWARE}-${FREETZ_TYPE_LANGUAGE} (${PATCHES_DEVICES_DIR_FULL_LIST[@]#${PATCHES_DEVICES_DIR}/})"
fi
# Execute firmware-series-specific and box-specific patch scripts (both common for all languages and language-specific)
shopt -s nullglob
for j in ${PATCHES_DEVICES_DIR_FULL_LIST[@]}; do
for i in $j/*.sh; do
echo2 "applying patch file $i"
source $i
done
done
shopt -u nullglob
# Now we are in place to check html directory
for i in all/en all ewetel; do
if [ -d "${HTML_MOD_DIR}/$i" ]; then
HTML_LANG_MOD_DIR="${HTML_MOD_DIR}/$i"
break
fi
done
# Find menu_data.lua
MENU_DATA_LUA="filenotavailable"
for dir in "${FILESYSTEM_MOD_DIR}/usr/lua" "${HTML_LANG_MOD_DIR}/menus"; do
[ -f "$dir/menu_data.lua" ] && MENU_DATA_LUA="$dir/menu_data.lua" && break
done
# Check systemd direcotry
[ -d "${FILESYSTEM_MOD_DIR}/etc/boot.d/core" ] && SYSTEMD_CORE_MOD_DIR="${FILESYSTEM_MOD_DIR}/etc/boot.d/core" || SYSTEMD_CORE_MOD_DIR=""
# Now check language specific html directory (if there is any)
for i in de en; do
if [ -d "${HTML_LANG_MOD_DIR}/html/$i" ]; then
HTML_SPEC_MOD_DIR="${HTML_LANG_MOD_DIR}/html/$i"
break
fi
done
echo1 "Language specific HTML directory: ${HTML_SPEC_MOD_DIR:-none}"
if [ -z "$HTML_SPEC_MOD_DIR" ]; then
HTML_SPEC_MOD_DIR="${HTML_LANG_MOD_DIR}/html/doesnotexist"
FREETZ_AVM_HAS_ONLY_LUA=y
[ "$FREETZ_AVM_VERSION_07_0X_MIN" == "y" -o -e "${FILESYSTEM_MOD_DIR}/usr/www/all/css/rd/images/fritzLogo.svg" ] && FREETZ_AVM_HAS_LUA_SCALABLE=y
fi
# Check for LUA directory
LUA_MOD_DIR="${FILESYSTEM_MOD_DIR}/usr/lua"
[ -d "$LUA_MOD_DIR" ] || LUA_MOD_DIR="${HTML_LANG_MOD_DIR}/lua"
[ -d "$LUA_MOD_DIR" ] && echo1 "LUA directory: ${LUA_MOD_DIR}" || FREETZ_AVM_HAS_ONLY_HTML=y
# Determine $MODULES_DIR in AVM image, eg: "${FILESYSTEM_MOD_DIR}/lib/modules/2.6.19.2
MODULES_DIR="$(find ${FILESYSTEM_MOD_DIR}/lib/modules/[2345].[0123456789]*.* -maxdepth 0 -type d 2>/dev/null)"
[ ! -d "$MODULES_DIR" ] && error 1 "Cannot find modules dir."
# Set $MODULES_SUBDIR relative to root dir in AVM image, eg: "lib/modules/2.6.19.2
MODULES_SUBDIR="${MODULES_DIR#${FILESYSTEM_MOD_DIR}/}"
# Apply firmware-series-specific and box-specific patches (both common for all languages and language-specific)
shopt -s nullglob
for ((j=0; j<${#PATCHES_DEVICES_DIR_FULL_LIST[@]}; j++)); do
for i in ${PATCHES_DEVICES_DIR_FULL_LIST[$j]}/*.patch; do
# Check if a more specific version of the patch exists,
# i.e. define an order on all patches with the same name
# FW_SERIES/XY.patch
# FW_SERIES/LANG/XY.patch
# FW_SERIES/BOXID/XY.patch
# FW_SERIES/BOXID/LANG/XY.patch
# and do NOT apply patch XY.patch from dir FOO
# if it also exists in a directory with a higher order.
#
# This makes it possible in situations where one box needs
# a box-specific version of the patch to have just two versions
# of it: one box-specific and one for all other boxes.
i_basename=$(basename "$i")
for ((jj=j+1; jj<${#PATCHES_DEVICES_DIR_FULL_LIST[@]}; jj++)); do
if [ -f "${PATCHES_DEVICES_DIR_FULL_LIST[$jj]}/${i_basename}" ]; then
continue 2
fi
done
modpatch "$FILESYSTEM_MOD_DIR" "$i"
done
done
shopt -u nullglob
echo1 "creating symlinks /tmp, /mod, /home and /ftp"
rm -rf "$FILESYSTEM_MOD_DIR"/tmp
ln -s var/{tmp,mod} "$FILESYSTEM_MOD_DIR"/
ln -s var/mod/home "$FILESYSTEM_MOD_DIR"/
ln -s var/media/ftp "$FILESYSTEM_MOD_DIR"/
echo1 "creating /mnt and /opt"
mkdir -p "$FILESYSTEM_MOD_DIR"/mnt
# 7390: /opt is symlink to /var/InternerSpeicher/opt
[ ! -L "$FILESYSTEM_MOD_DIR"/opt ] && mkdir -p "$FILESYSTEM_MOD_DIR"/opt
# Determine Freetz version
FREETZ_VERSION="$(${TOOLS_DIR}/freetz_revision fwmod)"
echo1 "setting freetz-version '${FREETZ_VERSION}'"
echo "${FREETZ_VERSION}" > "${FILESYSTEM_MOD_DIR}/etc/.freetz-version"
ln -f "${FILESYSTEM_MOD_DIR}/etc/.freetz-version" "${FILESYSTEM_MOD_DIR}/etc/.freetz-ng-version"
# Execute general patch scripts
for i in "${PATCHES_SCRIPTS_DIR}/"*.sh; do
[ -r "$i" ] || continue
echo2 -l "applying patch file $i"
source $i
done
# stop execution if in patch test mode
if [ "$FWMOD_PATCH_TEST" == "y" ]; then
echo0 -b "Patch test mode: exiting without error."
exit
fi
echo1 -l "patches applied"
# remove oems
echo1 -l "original oem: $oems"
echo1 -ln "removing oem:"
oem_removed=0
oem_kept=0
oem_list=
ln -sf /usr/www/cgi-bin/freetz_status "${HTML_LANG_MOD_DIR}/cgi-bin/freetz_status"
for i in $oems; do
if [ "$(eval "echo \"\$FREETZ_REMOVE_BRANDING_${i}\"")" == "y" ]; then
echo1 -ln " $i"
# delete webinterface symlinks otherwise user can choose branding in status.cgi
rm -rf "${FILESYSTEM_MOD_DIR}/usr/www/${i}"
rm -rf "${FILESYSTEM_MOD_DIR}/usr/www.nas/${i}"
rm -rf "${FILESYSTEM_MOD_DIR}/usr/www.myfritz/${i}"
find ${FILESYSTEM_MOD_DIR}/etc/default.* -name "*${i}*" | xargs rm -rf
oem_removed=1
else
oem_list+=" $i"
oem_kept=1