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#!/usr/bin/env python3
# libpulp - User-space Livepatching Library
#
# Copyright (C) 2021 SUSE Software Solutions GmbH
#
# This file is part of libpulp.
#
# libpulp is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# libpulp is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with libpulp. If not, see <http://www.gnu.org/licenses/>.
import testsuite
child = testsuite.spawn('memory_protection')
child.expect('Waiting for input.')
# Every time a newline is sent, the test program touchs code memory
child.sendline('')
child.expect('pristine');
child.livepatch('.libs/libaddress_livepatch1.so')
# Try to touch code memory after live patching
child.sendline('')
try:
child.expect('patched', reject='pristine');
except EOFError:
# Diagnose the error
print('Touching code after live patch failed.')
if child.isalive() == False:
print('The test program is dead')
else:
child.close(force=True)
# Let the exception propagate, so that the stack trace gets printed
raise
child.close(force=True)
exit(0)
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