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add ssh-agent option to set default lifetime of identities

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By default, ssh-agent stores identities forever. It has an option to
set a maximum lifetime for identites (useful to expire passphrase protected
keys). Allow this option to be set using:

zstyle :omz:plugins:ssh-agent lifetime <time>
This commit is contained in:
Marcel Wolf 2013-03-16 00:06:46 -04:00
parent 0ab0e67ecf
commit 2a1c9ff340
1 changed files with 12 additions and 3 deletions
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15
plugins/ssh-agent/ssh-agent.plugin.zsh
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@ -6,11 +6,17 @@
# #
# zstyle :omz:plugins:ssh-agent agent-forwarding on # zstyle :omz:plugins:ssh-agent agent-forwarding on
# #
# To load multiple identies use the identities style, For # To load multiple identities use the identities style, For
# example: # example:
# #
# zstyle :omz:plugins:ssh-agent id_rsa id_rsa2 id_github # zstyle :omz:plugins:ssh-agent id_rsa id_rsa2 id_github
# #
# To set the maximum lifetime of the identities, use the
# lifetime style. The lifetime may be specified in seconds
# or as described in sshd_config(5) (see TIME FORMATS)
# If left unspecified, the default lifetime is forever.
#
# zstyle :omz:plugins:ssh-agent lifetime 4h
# #
# CREDITS # CREDITS
# #
@ -27,15 +33,18 @@ local _plugin__forwarding
function _plugin__start_agent() function _plugin__start_agent()
{ {
local -a identities local -a identities
local lifetime
zstyle -s :omz:plugins:ssh-agent lifetime lifetime
# start ssh-agent and setup environment # start ssh-agent and setup environment
/usr/bin/env ssh-agent | sed 's/^echo/#echo/' > ${_plugin__ssh_env} /usr/bin/env ssh-agent ${lifetime:+-t} ${lifetime} | sed 's/^echo/#echo/' > ${_plugin__ssh_env}
chmod 600 ${_plugin__ssh_env} chmod 600 ${_plugin__ssh_env}
. ${_plugin__ssh_env} > /dev/null . ${_plugin__ssh_env} > /dev/null
# load identies # load identies
zstyle -a :omz:plugins:ssh-agent identities identities zstyle -a :omz:plugins:ssh-agent identities identities
echo starting... echo starting ssh-agent...
/usr/bin/ssh-add $HOME/.ssh/${^identities} /usr/bin/ssh-add $HOME/.ssh/${^identities}
} }