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/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
* Copyright (c) 2023 Vincent Bernat <bernat@luffy.cx>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "../src/daemon/lldpd.h"
#define kMinInputLength 5
#define kMaxInputLength 2048
/* Use this callback to avoid some logs */
void donothing(int pri, const char *msg) {};
extern int
LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
if (Size < kMinInputLength || Size > kMaxInputLength) {
return 1;
}
struct lldpd_chassis *nchassis = NULL;
struct lldpd_port *nport = NULL;
struct lldpd_hardware hardware;
log_register(donothing);
if (!cdpv2_guess((char *)Data, Size)) {
return 1;
}
cdp_decode(NULL, (char *)Data, Size, &hardware, &nchassis, &nport);
if (!nchassis || !nport) {
return 1;
}
lldpd_port_cleanup(nport, 1);
free(nport);
lldpd_chassis_cleanup(nchassis, 1);
return 0;
}
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