Fixed dropbear bundle
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bauen1
parent
159efbb767
commit
c671c639de
@ -2,10 +2,7 @@
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SRC_DIR=$(pwd)
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# Find the main source directory
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cd ../../..
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MAIN_SRC_DIR=$(pwd)
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cd $SRC_DIR
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. ../../common.sh
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# Grab everything after the '=' character.
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DOWNLOAD_URL=$(grep -i DROPBEAR_SOURCE_URL $MAIN_SRC_DIR/.config | cut -f2 -d'=')
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@ -33,12 +30,12 @@ fi
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# Delete folder with previously extracted Dropbear.
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echo "Removing Dropbear work area. This may take a while..."
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rm -rf ../../work/overlay/dropbear
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mkdir ../../work/overlay/dropbear
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rm -rf $WORK_DIR/overlay/dropbear
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mkdir $WORK_DIR/overlay/dropbear
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# Extract Dropbear to folder 'work/overlay/dropbear'.
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# Full path will be something like 'work/overlay/dropbear/dropbear-2016.73'.
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tar -xvf $ARCHIVE_FILE -C ../../work/overlay/dropbear
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tar -xvf $ARCHIVE_FILE -C $WORK_DIR/overlay/dropbear
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cd $SRC_DIR
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@ -2,107 +2,91 @@
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SRC_DIR=$(pwd)
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# Find the main source directory
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cd ../../..
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MAIN_SRC_DIR=$(pwd)
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cd $SRC_DIR
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. ../../common.sh
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# Read the 'JOB_FACTOR' property from '.config'
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JOB_FACTOR="$(grep -i ^JOB_FACTOR $MAIN_SRC_DIR/.config | cut -f2 -d'=')"
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cd $WORK_DIR/overlay/dropbear
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# Read the 'CFLAGS' property from '.config'
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CFLAGS="$(grep -i ^CFLAGS $MAIN_SRC_DIR/.config | cut -f2 -d'=')"
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# Find the number of available CPU cores.
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NUM_CORES=$(grep ^processor /proc/cpuinfo | wc -l)
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# Calculate the number of 'make' jobs to be used later.
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NUM_JOBS=$((NUM_CORES * JOB_FACTOR))
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if [ ! -d $MAIN_SRC_DIR/work/glibc/glibc_prepared ] ; then
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echo "Cannot continue - Dropbear SSH depends on GLIBC. Please buld GLIBC first."
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exit 1
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fi
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cd $MAIN_SRC_DIR/work/overlay/dropbear
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DESTDIR="$PWD/dropbear_installed"
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# Change to the Dropbear source directory which ls finds, e.g. 'dropbear-2016.73'.
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cd $(ls -d dropbear-*)
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echo "Preparing Dropbear work area. This may take a while..."
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make clean -j $NUM_JOBS 2>/dev/null
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rm -rf ../dropbear_installed
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make -j $NUM_JOBS clean
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rm -rf $DESTDIR
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echo "Configuring Dropbear..."
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./configure \
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--prefix=$MAIN_SRC_DIR/work/overlay/dropbear/dropbear_installed \
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--disable-zlib \
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--prefix=/usr \
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--disable-loginfunc \
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CFLAGS="$CFLAGS"
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CC="$CC" \
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CFLAGS="$CFLAGS" \
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LDFLAGS="$LDFLAGS"
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echo "Building Dropbear..."
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make -j $NUM_JOBS
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echo "Installing Dropbear..."
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make install -j $NUM_JOBS
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make -j $NUM_JOBS install DESTDIR="$DESTDIR"
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mkdir -p ../dropbear_installed/lib
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mkdir -p $DESTDIR/lib
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# Copy all dependent GLIBC libraries.
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cp $MAIN_SRC_DIR/work/glibc/glibc_prepared/lib/libnsl.so.1 ../dropbear_installed/lib
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cp $MAIN_SRC_DIR/work/glibc/glibc_prepared/lib/libnss_compat.so.2 ../dropbear_installed/lib
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cp $MAIN_SRC_DIR/work/glibc/glibc_prepared/lib/libutil.so.1 ../dropbear_installed/lib
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cp $MAIN_SRC_DIR/work/glibc/glibc_prepared/lib/libcrypt.so.1 ../dropbear_installed/lib
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cp $SYSROOT/lib/libnsl.so.1 $DESTDIR/lib
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cp $SYSROOT/lib/libnss_compat.so.2 $DESTDIR/lib
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cp $SYSROOT/lib/libutil.so.1 $DESTDIR/lib
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cp $SYSROOT/lib/libcrypt.so.1 $DESTDIR/lib
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mkdir -p ../dropbear_installed/etc/dropbear
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mkdir -p $DESTDIR/etc/dropbear
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# Create Dropbear SSH configuration BEGIN
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# Create RSA key.
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../dropbear_installed/bin/dropbearkey \
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$DESTDIR/usr/bin/dropbearkey \
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-t rsa \
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-f ../dropbear_installed/etc/dropbear/dropbear_rsa_host_key
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-f $DESTDIR/etc/dropbear/dropbear_rsa_host_key
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# Create DSS key.
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../dropbear_installed/bin/dropbearkey \
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$DESTDIR/usr/bin/dropbearkey \
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-t dss \
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-f ../dropbear_installed/etc/dropbear/dropbear_dss_host_key
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-f $DESTDIR/etc/dropbear/dropbear_dss_host_key
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# Create ECDSA key.
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../dropbear_installed/bin/dropbearkey \
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$DESTDIR/usr/bin/dropbearkey \
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-t ecdsa \
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-f ../dropbear_installed/etc/dropbear/dropbear_ecdsa_host_key
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-f $DESTDIR/etc/dropbear/dropbear_ecdsa_host_key
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# Create user/group configuration files.
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touch ../dropbear_installed/etc/passwd
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touch ../dropbear_installed/etc/group
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touch $DESTDIR/etc/passwd
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touch $DESTDIR/etc/group
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# Add group 0 for root.
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echo "root:x:0:" \
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> ../dropbear_installed/etc/group
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> $DESTDIR/etc/group
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# Add user root with password 'toor'.
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echo "root:AprZpdBUhZXss:0:0:Minimal Root,,,:/root:/bin/sh" \
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> ../dropbear_installed/etc/passwd
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> $DESTDIR/etc/passwd
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# Create home folder for root user.
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mkdir -p ../dropbear_installed/root
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mkdir -p $DESTDIR/root
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# Create Dropbear SSH configuration END
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echo "Reducing Dropbear size..."
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strip -g \
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../dropbear_installed/bin/* \
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../dropbear_installed/sbin/* \
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../dropbear_installed/lib/*
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$DESTDIR/usr/bin/* \
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$DESTDIR/usr/sbin/* \
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$DESTDIR/usr/lib/* \
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$DESTDIR/lib/*
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cp -r \
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../dropbear_installed/etc \
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../dropbear_installed/bin \
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../dropbear_installed/sbin \
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../dropbear_installed/lib \
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$MAIN_SRC_DIR/work/src/minimal_overlay/rootfs
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$DESTDIR/etc \
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$DESTDIR/usr/bin \
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$DESTDIR/usr/sbin \
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$DESTDIR/usr/lib \
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$DESTDIR/lib \
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$WORK_DIR/src/minimal_overlay/rootfs
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echo "Dropbear has been installed."
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