diff options
Diffstat (limited to '')
| -rw-r--r-- | regress/agent-ptrace.sh | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/regress/agent-ptrace.sh b/regress/agent-ptrace.sh new file mode 100644 index 0000000..df55b34 --- /dev/null +++ b/regress/agent-ptrace.sh @@ -0,0 +1,67 @@ +# $OpenBSD: agent-ptrace.sh,v 1.5 2022/04/22 05:08:43 anton Exp $ +# Placed in the Public Domain. + +tid="disallow agent ptrace attach" + +if have_prog uname ; then + case `uname` in + AIX|CYGWIN*|OSF1) + echo "skipped (not supported on this platform)" + exit 0 + ;; + esac +fi + +if [ "x$USER" = "xroot" ]; then + echo "Skipped: running as root" + exit 0 +fi + +if have_prog gdb ; then + : ok +else + echo "skipped (gdb not found)" + exit 0 +fi + +if $OBJ/setuid-allowed ${SSHAGENT} ; then + : ok +else + echo "skipped (${SSHAGENT} is mounted on a no-setuid filesystem)" + exit 0 +fi + +if test -z "$SUDO" ; then + echo "skipped (SUDO not set)" + exit 0 +else + $SUDO chown 0 ${SSHAGENT} + $SUDO chgrp 0 ${SSHAGENT} + $SUDO chmod 2755 ${SSHAGENT} + trap "$SUDO chown ${USER} ${SSHAGENT}; $SUDO chmod 755 ${SSHAGENT}" 0 +fi + +trace "start agent" +eval `${SSHAGENT} ${EXTRA_AGENT_ARGS} -s` > /dev/null +r=$? +if [ $r -ne 0 ]; then + fail "could not start ssh-agent: exit code $r" +else + # ls -l ${SSH_AUTH_SOCK} + gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF + quit +EOF + r=$? + if [ $r -ne 0 ]; then + fail "gdb failed: exit code $r" + fi + egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace.*Permission denied.|procfs:.*: Invalid argument.|Unable to access task ' >/dev/null ${OBJ}/gdb.out + r=$? + rm -f ${OBJ}/gdb.out + if [ $r -ne 0 ]; then + fail "ptrace succeeded?: exit code $r" + fi + + trace "kill agent" + ${SSHAGENT} -k > /dev/null +fi |