1 # $OpenBSD: agent-ptrace.sh,v 1.2 2014/02/27 21:21:25 djm Exp $
2 # Placed in the Public Domain.
4 tid="disallow agent ptrace attach"
6 if have_prog uname ; then
9 echo "skipped (not supported on this platform)"
15 if have_prog gdb ; then
18 echo "skipped (gdb not found)"
22 if $OBJ/setuid-allowed ${SSHAGENT} ; then
25 echo "skipped (${SSHAGENT} is mounted on a no-setuid filesystem)"
29 if test -z "$SUDO" ; then
30 echo "skipped (SUDO not set)"
33 $SUDO chown 0 ${SSHAGENT}
34 $SUDO chgrp 0 ${SSHAGENT}
35 $SUDO chmod 2755 ${SSHAGENT}
39 eval `${SSHAGENT} -s` > /dev/null
42 fail "could not start ssh-agent: exit code $r"
44 # ls -l ${SSH_AUTH_SOCK}
45 gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF
50 fail "gdb failed: exit code $r"
52 egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace.*Permission denied.|procfs:.*: Invalid argument.|Unable to access task ' >/dev/null ${OBJ}/gdb.out
56 fail "ptrace succeeded?: exit code $r"
60 ${SSHAGENT} -k > /dev/null