maketar.sh

#!/bin/bash
COMPRESSABLE=(
	"./usr/lib/libevent-2.1.so.7.0.1"
	"./usr/lib/libevent_core-2.1.so.7.0.1"
	"./usr/lib/libevent_extra-2.1.so.7.0.1"
	"./usr/lib/libevent_openssl-2.1.so.7.0.1"
	"./usr/lib/libevent_pthreads-2.1.so.7.0.1"
	"./usr/lib/libform.so.6.1"
	"./usr/lib/libmenu.so.6.1"
	"./usr/lib/libncurses.so.6.1"
	"./usr/lib/libpanel.so.6.1"
	"./usr/lib/libssl.so.1.1"
	"./usr/lib/libcrypto.so.1.1"
	"./usr/lib/libz.so.1.2.12"
	"./usr/lib/liblz4.so.1.7.1"
	"./lib/libatomic.so.1.1.0"
	"./usr/lib/libstdc++.so.6.0.21"
	"./usr/lib/engines-1.1/afalg.so"
	"./usr/lib/engines-1.1/capi.so"
	"./usr/lib/engines-1.1/padlock.so"
	"./usr/lib/openvpn/plugins/openvpn-plugin-down-root.so"
	"./usr/lib/libcurl.so.4.7.0"
	"./usr/lib/libpopt.so.0.0.1"
	"./usr/lib/liblinear.so.5"
	"./usr/libexec/sftp-server"
	"./usr/libexec/ssh-keysign"
	"./usr/libexec/ssh-pkcs11-helper"
	"./usr/bin/ssh-agent"
	"./usr/bin/ssh-add"
	"./usr/bin/ssh-copy-id"
	"./usr/bin/ssh-keyscan"
	"./usr/bin/ssh"
	"./usr/bin/ssh-keygen"
	"./usr/sbin/sshd"
	"./usr/sbin/mtd_debug"
	"./usr/sbin/mtdinfo"
	"./usr/sbin/mtdpart"
	"./usr/sbin/nanddump"
	"./usr/sbin/nandtest"
	"./usr/sbin/nandwrite"
	"./usr/sbin/mkfs.ubifs"
	"./usr/bin/nmap"

	"./usr/lib/libpcap.so.1.10.1"

	"./usr/bin/ddrescue"
	"./usr/bin/ddrescuelog"

	"./usr/bin/rsync"
	"./usr/bin/rsync-ssl"

	"./bin/bash"
	"./usr/bin/curl"
	"./usr/bin/nano"
	"./usr/bin/htop"
	"./usr/bin/tmux"
	"./usr/bin/openssl"

	"./usr/sbin/openvpn"
)

BASH_COMPLETIONS=(
	"arp" "arping" "brctl" "bzip2" "chgrp" "chmod"
	"chown" "cpio" "crontab" "curl" "dd" "ebtables"
	"ether-wake" "find" "gdb" "gzip" "hd" "hostname"
	"htop" "id" "ifdown" "ifup" "insmod" "ip" "ipcalc"
	"iptables" "iwconfig" "iwlist" "iwpriv" "iwspy"
	"kill" "killall" "lpq" "lpr" "lsusb" "lzma" "lzop"
	"man" "mktemp" "modinfo" "modprobe" "nc" "nmap"
	"nslookup" "openssl" "passwd" "patch" "perl"
	"pgrep" "pidof" "ping" "ping6" "pkill" "printenv"
	"pwd" "rmmod" "route" "rpm" "rsync" "scp" "sh"
	"ssh" "ssh-add" "ssh-copy-id" "ssh-keygen" "strings"
	"sysctl" "tar" "tcpdump" "timeout" "update-alternatives"
	"watch" "wget" "xmllint" "xz"
)

BASH_COMPLETIONS_PATHS=()

for bc in ${BASH_COMPLETIONS[@]}; do
	BASH_COMPLETIONS_PATHS+=("./usr/share/bash-completion/completions/${bc}")
done


TEMP_DIRS=()

CUSTOM_FILE_PATH="$(dirname "$(realpath "${0}")")/custom_files"
CUSTOM_FILES=(
	"./etc/inittab" "root:root" "644"
	"./usr/bin/speedtest" "root:root" "755"
	"./usr/bin/ltesignal" "root:root" "755"
)

CUSTOM_FILES_INCLUDE=()

for f in ${CUSTOM_FILES[@]}; do
	if [ "${f:0:1}" == "." ]; then
		if [ -f "${CUSTOM_FILE_PATH}/${f}" ]; then
			CUSTOM_FILES_INCLUDE+=("${f}")
		fi
	fi
done

INCLUDE_BUILDROOT=(
	"${COMPRESSABLE[@]}"
	"./usr/lib/libcurses.so"
	"./usr/lib/libevent-2.1.so.7"
	"./usr/lib/libevent_core-2.1.so.7"
	"./usr/lib/libevent_core.so"
	"./usr/lib/libevent_extra-2.1.so.7"
	"./usr/lib/libevent_extra.so"
	"./usr/lib/libevent_openssl-2.1.so.7"
	"./usr/lib/libevent_openssl.so"
	"./usr/lib/libevent_pthreads-2.1.so.7"
	"./usr/lib/libevent_pthreads.so"
	"./usr/lib/libevent.so"
	"./usr/lib/libform.so"
	"./usr/lib/libform.so.6"
	"./usr/lib/libmenu.so"
	"./usr/lib/libmenu.so.6"
	"./usr/lib/libncurses.so"
	"./usr/lib/libncurses.so.6"
	"./usr/lib/libpanel.so"
	"./usr/lib/libpanel.so.6"
	"./usr/lib/libz.so.1"
	"./usr/lib/libz.so"
	"./usr/lib/libpcap.so"
	"./usr/lib/libpcap.so.1"
	"./usr/lib/libstdc++.so.6"
	"./usr/lib/libstdc++.so"
	"./lib/libatomic.so.1"
	"./lib/libatomic.so"
	"./usr/lib/libcrypto.so"
	"./usr/lib/libssl.so"
	"./usr/lib/liblz4.so.1"
	"./usr/lib/liblz4.so"
	"./usr/lib/libcurl.so.4"
	"./usr/lib/libcurl.so"
	"./usr/lib/libpopt.so.0"
	"./usr/lib/libpopt.so"
	"./usr/lib/liblinear.so"
	"./var/empty"
	"./usr/share/nmap"
	"./etc/ssl"
	"./usr/share/ca-certificates"

	"./etc/profile.d"
	"./usr/lib/locale"
	"./usr/lib/terminfo"
	"./usr/share/terminfo"
	"./etc/ssh"

	"${BASH_COMPLETIONS_PATHS[@]}"

	"./etc/init.d/S50sshd"
	"./etc/init.d/S60openvpn"
)

INCLUDE_OUT=(
	"${INCLUDE_BUILDROOT[@]}"
	"${TEMP_DIRS[@]}"
	"${CUSTOM_FILES_INCLUDE[@]}"
)

SED_PATCHES=(
	"./etc/ssh/sshd_config" "s|\#PermitRootLogin prohibit-password|PermitRootLogin yes|" "Enable root login with password"
)

cd output/target || exit 0

if [ -d ../tar_staging ]; then
	echo " * Removing old tar_staging directory ..."
	rm -rf ../tar_staging || exit 0
fi
mkdir ../tar_staging || exit 0
cd ../tar_staging || exit 0

echo " * Extracting from rootfs.tar (w/ fakeroot) ..."
fakeroot -- tar --strip-components=1 -xpf ../images/rootfs.tar "${INCLUDE[@]}" || exit 0

## disabled due to favoring RAM over NAND space
#for f in "${COMPRESSABLE[@]}"; do
#	if [ -f "${f}" ]; then
#		upx -d "${f}"
#		upx --android-shlib --ultra-brute "${f}"
#	fi
#done

if [ ${#TEMP_DIRS[@]} -gt 0 ]; then
	echo " * Temporarly creating directory ${d} ..."
	for d in ${TEMP_DIRS[@]}; do
		mkdir -p "${d}";
		chown root:root -R "${d}"
	done
fi

if [ ${#SED_PATCHES[@]} -gt 0 ]; then
	for f in $(seq 0 ${#SED_PATCHES[@]}); do
		if [ -f "${SED_PATCHES[${f}]}" ]; then
			echo " * Patching ${SED_PATCHES[${f}]} (${SED_PATCHES[$((f+2))]}) ..."
			sed -i "${SED_PATCHES[$((f+1))]}" "${SED_PATCHES[${f}]}"
		else
			if [ "${SED_PATCHES[${f}]:0,1}" == "." ]; then
				echo "No such file: ${SED_PATCHES[${f}]} ..."
			fi
			continue;
		fi
	done
fi
if [ ${#CUSTOM_FILES[@]} -gt 0 ]; then
	for f in $(seq 0 ${#CUSTOM_FILES[@]}); do
		if [ -f "${CUSTOM_FILE_PATH}/${CUSTOM_FILES[${f}]}" ]; then
			echo " * Inserting ${CUSTOM_FILES[${f}]} ..."
			mkdir -p "$(dirname "${CUSTOM_FILES[${f}]}")"
			fakeroot cp -r "${CUSTOM_FILE_PATH}/${CUSTOM_FILES[${f}]}" "${CUSTOM_FILES[${f}]}"
			fakeroot chown -R "${CUSTOM_FILES[$((f+1))]}" "${CUSTOM_FILES[${f}]}"
			fakeroot chmod -R "${CUSTOM_FILES[$((f+2))]}" "${CUSTOM_FILES[${f}]}"
		else
			if [ "${CUSTOM_FILES[${f}]:0,1}" == "." ]; then
				echo "No such file: ${CUSTOM_FILES[${f}]} ..."
			fi
			continue;
		fi
	done
fi

echo " * Packaging files info files.tgz (w/ fakeroot) ..."
fakeroot -- tar zcpf ../../files.tgz "${INCLUDE_OUT[@]}" || exit 0


if [ ${#TEMP_DIRS[@]} -gt 0 ]; then
	echo " * Removing temporary directory ${d} ..."
	for d in ${TEMP_DIRS[@]}; do
		rm -rf "${d}";
	done
fi