# $OpenBSD: agent-getpeereid.sh,v 1.6 2016/05/03 14:41:04 djm Exp $ # Placed in the Public Domain. tid="disallow agent attach from other uid" UNPRIV=nobody ASOCK=${OBJ}/agent SSH_AUTH_SOCK=/nonexistent case "x$SUDO" in xsudo) sudo=1;; xdoas) ;; x) fatal "need SUDO to switch to uid $UNPRIV, test won't work without";; *) fatal 'unsupported $SUDO - "doas" and "sudo" are allowed' ;; esac trace "start agent" eval `${SSHAGENT} -s -a ${ASOCK}` > /dev/null r=$? if [ $r -ne 0 ]; then fail "could not start ssh-agent: exit code $r" else chmod 644 ${SSH_AUTH_SOCK} ssh-add -l > /dev/null 2>&1 r=$? if [ $r -ne 1 ]; then fail "ssh-add failed with $r != 1" fi if test -z "$sudo" ; then # doas ${SUDO} -n -u ${UNPRIV} ssh-add -l 2>/dev/null else # sudo < /dev/null ${SUDO} -S -u ${UNPRIV} ssh-add -l 2>/dev/null fi r=$? if [ $r -lt 2 ]; then fail "ssh-add did not fail for ${UNPRIV}: $r < 2" fi trace "kill agent" ${SSHAGENT} -k > /dev/null fi rm -f ${OBJ}/agent