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strongswan/fuzz/fuzz_pa_tnc.c

73 lines
2.1 KiB

/*
* Copyright (C) 2018 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#include <library.h>
#include <imcv.h>
#include <pa_tnc/pa_tnc_msg.h>
#include <ietf/ietf_attr_pa_tnc_error.h>
#include <utils/debug.h>
int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
{
pa_tnc_msg_t *msg;
pa_tnc_attr_t *attr;
ietf_attr_pa_tnc_error_t *error;
linked_list_t *non_fatal_types;
enumerator_t *enumerator;
chunk_t chunk;
dbg_default_set_level(-1);
library_init(NULL, "fuzz_pa_tnc");
plugin_loader_add_plugindirs(PLUGINDIR, PLUGINS);
if (!lib->plugins->load(lib->plugins, PLUGINS))
{
return 1;
}
libimcv_init(FALSE);
chunk = chunk_create((u_char*)buf, len);
/* Parse incoming PA-TNC message */
msg = pa_tnc_msg_create_from_data(chunk);
if (msg->process(msg) == SUCCESS)
{
non_fatal_types = linked_list_create();
msg->process_ietf_std_errors(msg, non_fatal_types);
non_fatal_types->destroy(non_fatal_types);
}
/* enumerate correctly decoded attributes */
enumerator = msg->create_attribute_enumerator(msg);
while (enumerator->enumerate(enumerator, &attr))
{
attr->get_noskip_flag(attr);
}
enumerator->destroy(enumerator);
/* enumerate errors detected while parsing PA-TNC message and attributes */
enumerator = msg->create_error_enumerator(msg);
while (enumerator->enumerate(enumerator, &attr))
{
error = (ietf_attr_pa_tnc_error_t*)attr;
error->get_error_code(error);
}
enumerator->destroy(enumerator);
msg->destroy(msg);
libimcv_deinit();
lib->plugins->unload(lib->plugins);
library_deinit();
return 0;
}