#!/bin/bash
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#+--------------------------------------------------------------------------------------------
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#|Description: This shell script used download and compile dropbear for ARM
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#| Author: GuoWenxue <guowenxue@gmail.com>
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#| ChangeLog:
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#| 1, Initialize 1.0.0 on 2011.04.12
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#+--------------------------------------------------------------------------------------------
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PREFIX_PATH=`pwd`/../install/
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if [ -z $CROSSTOOL ] ; then
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CROSSTOOL=/opt/crosstool/cortex-a7/bin/arm-linux-gnueabi-
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fi
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function msg_banner()
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{
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echo ""
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echo "+-----------------------------------------------------------------------"
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echo "| $1 "
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echo "+-----------------------------------------------------------------------"
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echo ""
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}
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function check_result()
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{
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if [ $? != 0 ] ; then
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echo ""
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echo "+-----------------------------------------------------------------------"
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echo "| $1 "
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echo "+-----------------------------------------------------------------------"
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echo ""
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exit ;
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fi
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}
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function export_cross()
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{
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# export cross toolchain
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export CC=${CROSSTOOL}gcc
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export AS=${CROSSTOOL}as
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export AR=${CROSSTOOL}ar
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export LD=${CROSSTOOL}ld
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export NM=${CROSSTOOL}nm
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export RANLIB=${CROSSTOOL}ranlib
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export OBJDUMP=${CROSSTOOL}objdump
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export STRIP=${CROSSTOOL}strip
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# export cross configure
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export CONFIG_CROSS=" --build=i686-pc-linux --host=arm-linux "
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# Clear LDFLAGS and CFLAGS
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export LDFLAGS=
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export CFLAGS=
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}
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function compile_x86()
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{
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# compile for X86 and generate Key
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msg_banner "Start compile $SRC_NAME for X86"
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make distclean
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./configure && make
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./dropbearkey -t rsa -f ${PREFIX_PATH}/dropbear_rsa_host_key
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chmod 644 ${PREFIX_PATH}/dropbear_rsa_host_key
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make distclean
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}
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function compile_dropbear()
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{
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SRC_NAME=dropbear-2019.78
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PACK_SUFIX=tar.bz2
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if [ -f ${PREFIX_PATH}/dropbear ] ; then
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return 0;
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fi
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msg_banner "Start donwload $SRC_NAME "
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if [ ! -f ${SRC_NAME}.${PACK_SUFIX} ] ; then
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wget http://matt.ucc.asn.au/dropbear/releases/${SRC_NAME}.${PACK_SUFIX}
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check_result "ERROR: download ${SRC_NAME} failure"
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fi
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tar -xjf ${SRC_NAME}.${PACK_SUFIX}
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cd ${SRC_NAME}
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msg_banner "Start cross compile $SRC_NAME "
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./configure --prefix=${PREFIX_PATH} ${CONFIG_CROSS} --disable-zlib
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check_result "ERROR: configure ${SRC_NAME} failure"
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make
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check_result "ERROR: compile ${SRC_NAME} failure"
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${STRIP} dbclient dropbear
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cp dropbear ..
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cp dbclient ../ssh
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cp dbclient ${PREFIX_PATH}/bin/ssh
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cp dropbear ${PREFIX_PATH}/bin/
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cd -
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}
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function install_script()
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{
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init_script=S20_dropbear
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cat << EOF > ${init_script}
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#!/bin/sh
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mkdir -p /etc/dropbear/
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dropbear -R
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EOF
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chmod 755 ${init_script}
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}
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export_cross
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compile_dropbear
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install_script
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