-#!/bin/sh -e
+#!/bin/sh
# monkeysphere-ssh-proxycommand: MonkeySphere ssh ProxyCommand hook
#
exit 1
fi
if [ -z "$PORT" ] ; then
- log "port must be specified."
- usage
- exit 1
+ PORT=22
fi
# set the host URI
-URI="ssh://${HOST}"
if [ "$PORT" != '22' ] ; then
- URI="${URI}:$PORT"
+ HOSTP="${HOST}:${PORT}"
+else
+ HOSTP="${HOST}"
fi
+URI="ssh://${HOSTP}"
# if the host is in the gpg keyring...
if gpg --list-key ="${URI}" 2>&1 >/dev/null ; then
# do not check the keyserver
CHECK_KEYSERVER="false"
+
# if the host is NOT in the keyring...
else
# if the host key is found in the known_hosts file...
# FIXME: this only works for default known_hosts location
- hostKey=$(ssh-keygen -F "$HOST")
+ hostKey=$(ssh-keygen -F "$HOST" 2>/dev/null)
+
if [ "$hostKey" ] ; then
# do not check the keyserver
# FIXME: more nuanced checking should be done here to properly
CHECK_KEYSERVER="true"
fi
fi
-export CHECK_KEYSERVER
+
+MONKEYSPHERE_CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:="$CHECK_KEYSERVER"}
+export MONKEYSPHERE_CHECK_KEYSERVER
# update the known_hosts file for the host
-monkeysphere update-known_hosts "$HOST"
+monkeysphere update-known_hosts "$HOSTP"
# exec a netcat passthrough to host for the ssh connection
if [ -z "$NO_CONNECT" ] ; then
- exec nc "$HOST" "$PORT"
+ if (which nc 2>/dev/null >/dev/null); then
+ exec nc "$HOST" "$PORT"
+ elif (which socat 2>/dev/null >/dev/null); then
+ exec socat STDIO "TCP:$HOST:$PORT"
+ else
+ log "Neither netcat nor socat found -- could not complete monkeysphere-ssh-proxycommand connection to $HOST:$PORT"
+ exit 1
+ fi
fi