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Use existing ssh-agent when invoking a sudo shell (#3891)

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When invoking a shell as root using ```sudo -s```, the ssh-agent plugin
starts a new agent although it already exists.

The problem boils down to a check if ssh-agent is running using
```ps x```. If that is extended to ```ps ax``` for root, then the
existing ssh-agent will still work.
This commit is contained in:
Michael Stucki 2018-07-01 18:20:34 +02:00 committed by Marc Cornellà
parent b09890a3e4
commit 302270174d
1 changed files with 6 additions and 1 deletions
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7
plugins/ssh-agent/ssh-agent.plugin.zsh
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@ -30,7 +30,12 @@ if [[ $_agent_forwarding == "yes" && -n "$SSH_AUTH_SOCK" ]]; then
elif [[ -f "$_ssh_env_cache" ]]; then
# Source SSH settings, if applicable
. $_ssh_env_cache > /dev/null
ps x | grep ssh-agent | grep -q $SSH_AGENT_PID || {
if [[ $USER == "root" ]]; then
FILTER="ax"
else
FILTER="x"
fi
ps $FILTER | grep ssh-agent | grep -q $SSH_AGENT_PID || {
_start_agent
}
else