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# $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 [ "x$USER" = "xroot" ]; then
skip "running as root"
fi
if ! which gdb >/dev/null 2>&1; then
skip "gdb not found"
fi
trace "start agent"
eval `${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
grep -q 'ptrace: Operation not permitted.' ${OBJ}/gdb.out
r=$?
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
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