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Contents
#!/usr/bin/env ruby
require 'fileutils'
include FileUtils::Verbose
require 'tins/go'
include Tins::GO
=begin
~/.ssh/config:
Host *
ForwardX11 = yes
ControlMaster auto
ControlPath ~/.ssh/%r@%h:%p.sock
=end
def usage
puts <<EOT
Usage: #{File.basename($0)} [OPTS] [user@]remote[:port]"
OPTS is one of
-N list all session names on the specified remote
-n NAME name of the screen session to attach to (defaults to $USER)
-t [HOST[:PORT]] host:port to tunnel if different from LOCALPORT
-l LOCALPORT the localport to forward to
-h to display this help
EOT
exit 1
end
arguments = ARGV.dup
opts = go 'l:t:n:hN', arguments
usage if opts['h'] or arguments.size != 1
user_remote = arguments.shift
user, remote, rport =
case user_remote
when /\A(?:([^@:]+)@)?([^@:]+)(?::(\d+))?\Z/
user = $1 || ENV['USER']
user.to_s.empty? and fail "user required to login"
[ user, $2, $3 || '22' ]
else
usage
end
lport = opts['l']
tunnel, tport = if tunnel_port = opts['t']
case tunnel_port
when /\A([^:]+)(?::(\d+))?\Z/
[ $1, $2 || '22' ]
else
usage
end
else
[ 'localhost', lport ]
end
ssh_dir = File.expand_path('~/.ssh')
mkdir_p ssh_dir
sock_file = "#{ssh_dir}/#{user}@#{remote}:#{rport}.sock"
env_user = ENV['USER'] and opts['n'] ||= env_user
if opts['N']
exec "ssh -p #{rport} -S #{sock_file} #{user}@#{remote} screen -ls"
elsif lport
File.exist? sock_file and rm_f sock_file
exec "ssh -p #{rport} -Mt -L localhost:#{lport}:#{tunnel}:#{tport}"\
" -S #{sock_file} #{user}@#{remote} screen -DUR #{opts['n']}"
else
File.exist? sock_file and rm_f sock_file
exec "ssh -p #{rport} -Mt -S #{sock_file} #{user}@#{remote} screen -DUR #{opts['n']}"
end
Version data entries
34 entries across 34 versions & 1 rubygems