X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=src%2Fmonkeysphere-ssh-proxycommand;h=780ff035c78af143b7feb709250eac19dae8d163;hb=d78a6e30ed3bc408e6a43077b4024597dfb810bd;hp=f4d4b0d9affb8835ae812e22c9fa58f5388c3fbf;hpb=3a6f611a52d56b919b8c50a6e1700af43ff49578;p=monkeysphere.git diff --git a/src/monkeysphere-ssh-proxycommand b/src/monkeysphere-ssh-proxycommand index f4d4b0d..780ff03 100755 --- a/src/monkeysphere-ssh-proxycommand +++ b/src/monkeysphere-ssh-proxycommand @@ -1,4 +1,4 @@ -#!/bin/sh -e +#!/bin/sh # monkeysphere-ssh-proxycommand: MonkeySphere ssh ProxyCommand hook # @@ -31,50 +31,64 @@ fi HOST="$1" PORT="$2" +MS_HOME=${MS_HOME:-"${HOME}/.config/monkeysphere"} + if [ -z "$HOST" ] ; then log "host must be specified." usage 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 [ "$hostKey" ] ; then - # if the check keyserver variable is NOT set to true... - if [ "$CHECK_KEYSERVER" != 'true' ] ; then - # schedule a keyserver check for host at a later time - echo "monkeysphere update-known_hosts $HOST" | at noon - fi + # do not check the keyserver + # FIXME: more nuanced checking should be done here to properly + # take into consideration hosts that join monkeysphere by + # converting an existing and known ssh key + CHECK_KEYSERVER="false" + # if the host key is not found in the known_hosts file... else # check the keyserver CHECK_KEYSERVER="true" fi fi -export CHECK_KEYSERVER + +MONKEYSPHERE_CHECK_KEYSERVER=${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