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setsid_stratum_server.sh
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#####################################################
# Code from https://www.exratione.com/2014/08/bash-script-ssh-automation-without-a-password-prompt/
# Updated by cryptopool.builders for crypto use...
#####################################################
#----------------------------------------------------------------------
# Set up values.
#----------------------------------------------------------------------
source /etc/multipool.conf
source $STORAGE_ROOT/yiimp/.yiimp.conf
# User credentials for the remote server.
StratumUser=${StratumUser}
StratumPass="${StratumPass}"
dir=$HOME
# The server hostname.
StratumServer=${StratumInternalIP}
# The script to run on the remote server.
script_create_user=${dir}'/multipool/yiimp_multi/create_user_remote.sh'
script_system_stratum=${dir}'/multipool/yiimp_multi/remote_system_stratum_server.sh'
script_stratum=${dir}'/multipool/yiimp_multi/remote_stratum.sh'
script_motd_web=${dir}'/multipool/yiimp_multi/motd.sh'
script_harden_web=${dir}'/multipool/yiimp_multi/server_harden.sh'
script_ssh=${dir}'/multipool/yiimp_multi/ssh.sh'
# Additional files that need to be copied to the remote server
functioncopy=${dir}'/multipool/yiimp_multi/required_remote_files/functions.sh'
conf=${STORAGE_ROOT}'/yiimp/.yiimp.conf'
screens=${dir}'/multipool/yiimp_multi/ubuntu/screens_stratum'
addport=${dir}'/multipool/yiimp_multi/ubuntu/addport'
addport_multi=${dir}'/multipool/yiimp_multi/ubuntu/addport_multi_stratums'
header=${dir}'/multipool/yiimp_multi/ubuntu/etc/update-motd.d/stratum/00-header'
sysinfo=${dir}'/multipool/yiimp_multi/ubuntu/etc/update-motd.d/stratum/10-sysinfo'
footer=${dir}'/multipool/yiimp_multi/ubuntu/etc/update-motd.d/stratum/90-footer'
# Desired location of the script on the remote server.
remote_create_user_path='/tmp/create_user_remote.sh'
remote_system_stratum_path='/tmp/remote_system_stratum_server.sh'
remote_stratum_path='/tmp/remote_stratum.sh'
remote_motd_web_path='/tmp/motd.sh'
remote_harden_web_path='/tmp/server_harden.sh'
remote_ssh_path='/tmp/ssh.sh'
#----------------------------------------------------------------------
# Create a temp script to echo the SSH password, used by SSH_ASKPASS
#----------------------------------------------------------------------
SSH_ASKPASS_SCRIPT=/tmp/ssh-askpass-script
cat > ${SSH_ASKPASS_SCRIPT} <<EOL
#!/usr/bin/env bash
echo '${StratumPass}'
EOL
chmod u+x ${SSH_ASKPASS_SCRIPT}
#----------------------------------------------------------------------
# Set up other items needed for OpenSSH to work.
#----------------------------------------------------------------------
# Set no display, necessary for ssh to play nice with setsid and SSH_ASKPASS.
export DISPLAY=:0
# Tell SSH to read in the output of the provided script as the password.
# We still have to use setsid to eliminate access to a terminal and thus avoid
# it ignoring this and asking for a password.
export SSH_ASKPASS=${SSH_ASKPASS_SCRIPT}
# LogLevel error is to suppress the hosts warning. The others are
# necessary if working with development servers with self-signed
# certificates.
SSH_OPTIONS="-oLogLevel=error"
SSH_OPTIONS="${SSH_OPTIONS} -oStrictHostKeyChecking=no"
SSH_OPTIONS="${SSH_OPTIONS} -oUserKnownHostsFile=/dev/null"
#----------------------------------------------------------------------
# Run the script on the remote server.
#----------------------------------------------------------------------
# Load in a base 64 encoded version of the script.
B64_user=`base64 --wrap=0 ${script_create_user}`
B64_system=`base64 --wrap=0 ${script_system_stratum}`
B64_stratum=`base64 --wrap=0 ${script_stratum}`
B64_motd=`base64 --wrap=0 ${script_motd_web}`
B64_harden=`base64 --wrap=0 ${script_harden_web}`
B64_ssh=`base64 --wrap=0 ${script_ssh}`
# The command that will run remotely. This unpacks the
# base64-encoded script, makes it executable, and then
# executes it as a background task.
system_user="base64 -d - > ${remote_create_user_path} <<< ${B64_user};"
system_user="${system_user} chmod u+x ${remote_create_user_path};"
system_user="${system_user} sh -c 'nohup ${remote_create_user_path}'"
system_stratum="base64 -d - > ${remote_system_stratum_path} <<< ${B64_system};"
system_stratum="${system_stratum} chmod u+x ${remote_system_stratum_path};"
system_stratum="${system_stratum} sh -c 'nohup ${remote_system_stratum_path}'"
stratum="base64 -d - > ${remote_stratum_path} <<< ${B64_stratum};"
stratum="${stratum} chmod u+x ${remote_stratum_path};"
stratum="${stratum} sh -c 'nohup ${remote_stratum_path}'"
motd_web="base64 -d - > ${remote_motd_web_path} <<< ${B64_motd};"
motd_web="${motd_web} chmod u+x ${remote_motd_web_path};"
motd_web="${motd_web} sh -c 'nohup ${remote_motd_web_path}'"
harden_web="base64 -d - > ${remote_harden_web_path} <<< ${B64_harden};"
harden_web="${harden_web} chmod u+x ${remote_harden_web_path};"
harden_web="${harden_web} sh -c 'nohup ${remote_harden_web_path}'"
ssh="base64 -d - > ${remote_ssh_path} <<< ${B64_ssh};"
ssh="${ssh} chmod u+x ${remote_ssh_path};"
ssh="${ssh} sh -c 'nohup ${remote_ssh_path} > /dev/null 2>&1 &'"
# Log in to the remote server and run the above command.
# Copy needed files to remote server
cat $functioncopy | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/functions.sh'
cat $conf | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/.yiimp.conf'
cat $screens | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/screens'
cat $addport | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/addport'
cat $addport_multi | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/addport_multi'
cat $header | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/00-header'
cat $sysinfo | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/10-sysinfo'
cat $footer | setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} 'cat > /tmp/90-footer'
# Execute scripts on remote server
setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} "${system_user}"
setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} "${system_stratum}"
setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} "${stratum}"
setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} "${motd_web}"
setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} "${harden_web}"
setsid ssh ${SSH_OPTIONS} ${StratumUser}@${StratumServer} "${ssh}"
cd $HOME/multipool/yiimp_multi