Files
strongswan-ext/fuzz/fuzz_ike.c
T

59 lines
1.5 KiB
C

/*
* Copyright (C) 2026 Arthur SC Chan
*
* Copyright (C) secunet Security Networks AG
*
* 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 <encoding/message.h>
int LLVMFuzzerInitialize(int *argc, char ***argv)
{
dbg_default_set_level(-1);
library_init(NULL, "fuzz_ike");
return 0;
}
int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
{
message_t *message;
packet_t *packet;
/* Minimum IKE header size for fuzzing meaningful IKE headers effectively */
if (len < 28)
{
return 0;
}
/* Create packet from fuzzer input */
packet = packet_create_from_data(host_create_from_string("192.0.2.1", 500),
host_create_from_string("192.0.2.2", 500),
chunk_clone(chunk_create((u_char*)buf, len)));
if (!packet)
{
return 0;
}
/* Fuzz IKE message parsing and processing */
message = message_create_from_packet(packet);
if (message)
{
if (message->parse_header(message) == SUCCESS)
{
message->parse_body(message, NULL);
}
message->destroy(message);
}
return 0;
}