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#!/bin/bash
# Look for CONFIG lines which try to enable blobs
# Copyright (C) David P. <megver83@parabola.nu>
#
# 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/>.
set -e
version=$1
args=${@#$1}
path=${0%/*}
usage() {
cat <<EOM
Usage: ${0##*/} [VERSION] [FILE1] [FILE2] ...
Where VERSION should be the kernel version and FILE the config file(s).
Example: ${0##*/} 4.14 /usr/src/linux-4.14/.config
To see a list of available versions, look at the files under the $path/versions
directory.
If the \$RESET environment variable is set, then the sed expresion to reset
CONFIG_LOCALVERSION and CONFIG_DEFAULT_HOSTNAME variables of the specified
config files will be printed and applied. Also CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
will be set to "linux-libre.fsfla.org" and CONFIG_LOCALVERSION will be set to
what \$RESET was set.
When RESET='none' then it is considered to have an empty CONFIG_LOCALVERSION.
If the \$FIRMWARE variable is set, then that value will be the same one
for CONFIG_EXTRA_FIRMWARE. If you also want CONFIG_EXTRA_FIRMWARE_DIR, just
do as following:
FIRMWARE='some_firmware.bin other_firm.elf:firmware'
Where 'firmware' is the firmware directory. When this is empty, CONFIG_EXTRA_FIRMWARE_DIR
gets removed. E.g.
FIRMWARE='some_firmware.bin other_firm.elf'
When FIRMWARE='none', then CONFIG_EXTRA_FIRMWARE is left unset.
EOM
}
err() {
printf '%sError:%s %s\n' \
"$(tput setaf 1)" \
"$(tput sgr0)" \
"$1"
false
}
check() {
if [ ! -f $path/versions/$version ]; then
err "Version $version not available"
fi
if [[ $args != "" ]]; then
for f in $args; do
[ -f $f ] || err "$f does not exist"
done
else
err 'No config files provided'
fi
}
deblob() {
local configs=$(grep -v ^# $path/versions/$version)
local i
for i in $configs; do
sed -i \
-e "s|$i=.*|# $i is not set|" \
"$reset" \
"$firmware" \
$1
sleep 0.2
done
}
load(){
local num=${#1}
local i
for i in $(seq $num); do
space+=" "
done
while true
do
printf "%s \r" "$space"
printf "[ running ] $1\r"
sleep 0.2
printf "[ running ] $1 .\r"
sleep 0.2
printf "[ running ] $1 ..\r"
sleep 0.2
printf "[ running ] $1 ...\r"
sleep 0.2
printf "[ running ] $1 ....\r"
sleep 0.2
printf "[ running ] $1 .....\r"
sleep 0.2
done
}
main(){
check
local i
for i in $@; do
load "Modifying $i" &
LOG=$(mktemp)
deblob $i &> $LOG && \
printf "[ OK ] \n" || \
(printf "[ FAILED ] \n"
err "Could not modify $i") || \
cat $LOG
kill $!
wait $! 2>/dev/null || true
rm $LOG
done
}
if [[ $# -lt 1 ]]; then
usage
else
if ! [[ $RESET = "none" ]]; then
echo "RESET sedexp"
export reset="-e s|^CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\""$RESET"\"|;s|^CONFIG_DEFAULT_HOSTNAME=.*|CONFIG_DEFAULT_HOSTNAME=\"\(none\)\"|;s|^CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=.*|CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=\"linux-libre.fsfla.org\"|"
echo "$reset"
elif [[ $RESET = "" ]]; then
unset reset
else
echo "RESET sedexp"
export reset="-e s|^CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"\"|;s|^CONFIG_DEFAULT_HOSTNAME=.*|CONFIG_DEFAULT_HOSTNAME=\"\(none\)\"|;s|^CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=.*|CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=\"linux-libre.fsfla.org\"|"
echo "$reset"
fi
if [[ $FIRMWARE = "none" ]]; then
echo "FIRMWARE sedexp"
export firmware="-e /^CONFIG_EXTRA_FIRMWARE_DIR/d;s|^CONFIG_EXTRA_FIRMWARE=.*|CONFIG_EXTRA_FIRMWARE=\"\"|"
echo "$firmware"
elif [[ $FIRMWARE = "" ]]; then
unset firmware
else
echo $FIRMWARE | grep : && \
extra_firmware=$(echo $FIRMWARE | cut -d ":" -f1) && \
extra_firmware_dir=$(echo $FIRMWARE | cut -d ":" -f2) || \
extra_firmware=$FIRMWARE
echo "FIRMWARE sedexp"
if ! [[ $extra_firmware = "" ]]; then
if ! [[ $extra_firmware_dir = "" ]]; then
export firmware="-e s|^CONFIG_EXTRA_FIRMWARE=.*|CONFIG_EXTRA_FIRMWARE=\""$extra_firmware"\"|;s|^CONFIG_EXTRA_FIRMWARE_DIR=.*|CONFIG_EXTRA_FIRMWARE_DIR=\""$extra_firmware_dir"\"|"
else
export firmware="-e s|^CONFIG_EXTRA_FIRMWARE=.*|CONFIG_EXTRA_FIRMWARE=\""$extra_firmware"\"|;/CONFIG_EXTRA_FIRMWARE_DIR/d"
fi
echo "$firmware"
fi
fi
main $args
fi
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