#!/bin/bash
# Launch the ssh-agent from a service so it survives logoff.

# When the service stops, kill the ssh-agent.
trap "ssh-agent -k;
  exit 0" TERM

# Clean up old files that may be left behind after a crash.
#   The file permissions make this safe to do in a multi-user
#   environment, but "/tmp" must be local to this host.
rm -rf /tmp/ssh-*

# Launch the ssh-agent.
eval $(ssh-agent)

# Provide the ssh-agent socket ID via the registry and broadcast
#   the change in case the user is logged before we finish.
#   Do not provide the ssh-agent PID to minimize the risk of
#   killing the ssh-agent.
regtool -s set /HKEY_CURRENT_USER/Environment/SSH_AUTH_SOCK $SSH_AUTH_SOCK
sendchenv

# Wait quietly until the service is stopped.
while true; do
  sleep 24h &
  wait
done