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59 lines
2.0 KiB
59 lines
2.0 KiB
4 months ago
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#!/bin/echo Try "scripts/mkroot.sh dropbear"
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# Example overlay file, adding dropbear (which requires zlib)
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echo === download source
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download a4d316c404ff54ca545ea71a27af7dbc29817088 \
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http://downloads.sf.net/libpng/zlib-1.2.8.tar.gz
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download 820ec2b8c869edbcf5ad1138777fc0f54349505c \
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https://matt.ucc.asn.au/dropbear/releases/dropbear-2019.78.tar.bz2
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echo === Native build static zlib
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setupfor zlib
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# They keep checking in broken generated files.
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rm -f Makefile zconf.h &&
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CC=${CROSS_COMPILE}cc LD=${CROSS_COMPILE}ld AS=${CROSS_COMPILE}as ./configure &&
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make -j $(nproc) || exit 1
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# do _not_ cleanup zlib, we need the files we just built for dropbear
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cd ..
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echo === $HOST Native build static dropbear
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setupfor dropbear
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# Repeat after me: "autoconf is useless"
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echo 'echo "$@"' > config.sub &&
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ZLIB="$(echo ../zlib*)" &&
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CFLAGS="-I $ZLIB -O2" LDFLAGS="-L $ZLIB" ./configure --enable-static \
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--disable-wtmp --host=${CROSS_BASE%-} &&
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sed -i 's@/usr/bin/dbclient@ssh@' options.h &&
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sed -i 's@\(#define NON_INETD_MODE\) 1@\1 0@' default_options.h &&
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make -j $(nproc) PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" MULTI=1 SCPPROGRESS=1 &&
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${CROSS_COMPILE}strip dropbearmulti &&
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mkdir -p "$ROOT"/{bin,etc/{rc,dropbear},var/log} &&
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touch "$ROOT"/var/log/lastlog &&
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cp dropbearmulti "$ROOT"/bin || exit 1
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for i in "$ROOT"/bin/{ssh,dropbear,scp,dropbearkey}
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do
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ln -s dropbearmulti $i || exit 1
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done
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cleanup
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rm -rf zlib-*
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# user root password root, user guest no password
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echo -e 'root:$1$939UTPzb$/PfVYAsF2Hqi/AQ3UBjbK/:::::::\nguest::::::::' > "$ROOT"/etc/shadow &&
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chmod 600 "$ROOT"/etc/shadow &&
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echo 'netcat -p 22 -L dropbear -iRB &' > "$ROOT"/etc/rc/dropbear &&
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# file to run on host to ssh into guest
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echo 'ssh -o "UserKnownHostsFile=/dev/null" -o "StrictHostKeyChecking=no" ${1:+$1@}127.0.0.1 -p 2222' > "$OUTPUT"/ssh2dropbear.sh &&
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chmod +x "$OUTPUT"/ssh2dropbear.sh
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# Forward 127.0.0.1:2222 into qemu instance
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QEMU_MORE="-nic user,hostfwd=tcp:127.0.0.1:2222-:22"
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