afssh: use temporary directory for socket

1 files changed, 16 insertions, 3 deletions

diff --git a/afssh b/afssh
index 364187b..97a0a25 100755
--- a/afssh
+++ b/afssh
@@ -23,7 +23,7 @@ set -e
 declare -a agent_filter_args
 
 while true; do
-	if [[ $1 = "--" ]]; then
+	if [ "$1" = "--" ]; then
 		shift
 		break
 	else
@@ -32,7 +32,20 @@ while true; do
 	fi
 done
 
-eval $(${BASH_SOURCE%/*}/ssh-agent-filter "${agent_filter_args[@]}" || echo exit $?)
-trap 'kill "$SSH_AGENT_PID"' EXIT
+# safeguard to not kill the real ssh-agent
+unset SSH_AGENT_PID
+
+trap 'kill "$SSH_AGENT_PID"; rm -r "$TEMPDIR"' EXIT
+TEMPDIR=$(mktemp -d)
+
+if [ -x "${BASH_SOURCE%/*}/ssh-agent-filter" ]; then
+	SAF=$(readlink -f "${BASH_SOURCE%/*}/ssh-agent-filter")
+else
+	SAF=$(which ssh-agent-filter)
+fi
+
+eval $(cd "$TEMPDIR"; "$SAF" "${agent_filter_args[@]}" || echo exit $?)
+
+ssh-add -l
 
 ssh -A "$@"