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#!/bin/sh
NORMAL="\033[1;0m"
STRONG="\033[1;1m"
GREEN="\033[1;32m"
config=$(grep -F 'config=' /etc/init.d/bitcoin |sed 's/config=//')
randgen() {
output=$(cat /dev/urandom | tr -dc '0-9a-zA-Z!@#$%^&*_+-' | head -c${1:-$1}) 2>/dev/null
echo $output
}
findRandomTcpPort(){
port=$(( 1024 + $(( $RANDOM % $(( 65534 - 1024 )) )) ))
while netstat -atn | grep -q :$port; do port=$(expr $port + 1); done; echo $port
}
GenPasswd(){
sed -i "/rpcuser=/ c \rpcuser=USER-"$(randgen 32)"" $config
sed -i "/rpcpassword=/ c \rpcpassword=PW-"$(randgen 64)"" $config
sed -i "/rpcport=/ c \rpcport="$(findRandomTcpPort)"" $config
print_green "Generated random user / password / port in:" " $config\n"
}
print_green() {
local prompt="${STRONG}$1${GREEN}$2${NORMAL}"
printf "${prompt}%s"
}
if grep -F "changeme" $config 1>/dev/null; then
GenPasswd
fi
exit 0
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