Add support for agent forwarding

This commit is contained in:
gwjo 2011-06-04 21:07:55 -04:00
parent e8bd400bff
commit 35b879a17b

View File

@ -1,23 +1,51 @@
#
# INSTRUCTIONS
#
# To enabled agent forwarding support add the following to
# your .zshrc file:
#
# zstyle :omz:plugins:ssh-agent agent-forwarding on
#
#
# CREDITS
#
# Based on code from Joseph M. Reagle
# http://www.cygwin.com/ml/cygwin/2001-06/msg00537.html
#
# Agent forwarding support based on ideas from
# Florent Thoumie and Jonas Pfenniger
#
local SSH_ENV=$HOME/.ssh/environment-$HOST
local _plugin__ssh_env=$HOME/.ssh/environment-$HOST
local _plugin__forwarding
function start_agent {
/usr/bin/env ssh-agent | sed 's/^echo/#echo/' > ${SSH_ENV}
chmod 600 ${SSH_ENV}
. ${SSH_ENV} > /dev/null
function _plugin__start_agent()
{
/usr/bin/env ssh-agent | sed 's/^echo/#echo/' > ${_plugin__ssh_env}
chmod 600 ${_plugin__ssh_env}
. ${_plugin__ssh_env} > /dev/null
/usr/bin/ssh-add;
}
# Source SSH settings, if applicable
# test if agent-forwarding is enabled
zstyle -b :omz:plugins:ssh-agent agent-forwarding _plugin__forwarding
if [[ ${_plugin__forwarding} == "yes" && -z $SSH_AGENT_PID && -n "$SSH_AUTH_SOCK" ]]; then
# No PID but a AUTH_SOCK means agent forwarding is enabled
# Add a nifty symlink for screen/tmux
[[ -L $SSH_AUTH_SOCK ]] || ln -sf "$SSH_AUTH_SOCK" /tmp/ssh-agent-$USER-screen
if [ -f "${SSH_ENV}" ]; then
. ${SSH_ENV} > /dev/null
elif [ -f "${_plugin__ssh_env}" ]; then
# Source SSH settings, if applicable
. ${_plugin__ssh_env} > /dev/null
ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
start_agent;
_plugin__start_agent;
}
else
start_agent;
_plugin__start_agent;
fi
# tidy up after ourselves
unfunction _plugin__start_agent
unset _plugin__forwarding
unset _plugin__ssh_env