build-local.sh

#!/bin/sh

# This script is used to store local configuartion data to ease batch building

# Please customize this script to fit your local requirements

random_characters() {
	sort --random-sort < replaceable-characters | {
		IFS=
		while read -r line; do printf %s "$line"; done
	}
}

set -e

if [ $# != 1 ]; then
	printf 'Usage: %s <client-name>\n' "$0" 1>&2
	exit 255
fi

export CC=gcc
export CFLAGS="-Wall -Os -fno-common -fomit-frame-pointer"
export LDFLAGS=-s
# Uncomment following line to enable obfuscation for some strings
#export STRING_TRANSLITERATION="\"`random_characters`\"`random_characters`\""
# Edit the following line to fill the server address, port number, public key,
# as well as the privileged SSHOUT user name
sh build.sh <server-address> <server-port> <server-public-key> <privileged-user-name> "$1"
# Example:
#sh build.sh 127.0.0.1 22 AAAAB3NzaC1yc2EAAAADAQABAAABAQDSCKGsb7l1PmJafA8rs5sluuSmiQQYRYDrHMhZh5alrCEurzcvz9gfuqr42wUifQInM74tz6H4xoZBGq3qlJjoqFRHQc85X6Og2KdY+Xz+NYdkoHTmC6+5v4qDrNZ6dl0p7oABuMvFPCiYl+jd5sfA6Di/sF7t9/02RdJonrmqQd5qdccHUgkSeQ5aCTKgoZGNm6FAxrbyN/q+YSdCK2aDmjR9IedxjT8ipSrrWmQltLZfJ3GNN1TXy/GXSw1sOVEIq5JoDDiJwZZ13l7c0uPSFDHzqR7Q7ThpdbckRG3LDJWMJgc8SF1ptzYkmRK1MAuHYNtrHSw/fAvW5un/UF4f operator
echo
echo "set -e"
printf 'echo "'
xz --best < "client.$1" | base64 -w 80
# You may customize executable file name and service name here
echo '" | base64 -d | xz -d > /usr/local/bin/sfc'
echo "chmod 755 /usr/local/bin/sfc"
printf 'echo "'
gzip --best < sfc.service | base64 -w 80
echo '" | base64 -d | gzip -d > /etc/systemd/system/sfc.service'
echo "systemctl enable --now sfc"