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261f3af4 AS |
1 | /* -*- mode: c; c-file-style: "openbsd" -*- */ |
2 | /* | |
3 | * Copyright (c) 2023 Vincent Bernat <bernat@luffy.cx> | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include "../src/daemon/lldpd.h" | |
19 | ||
20 | #define kMinInputLength 5 | |
21 | #define kMaxInputLength 2048 | |
22 | ||
23 | /* Use this callback to avoid some logs */ | |
24 | void donothing(int pri, const char *msg) {}; | |
25 | ||
26 | extern int | |
27 | LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) | |
28 | { | |
29 | if (Size < kMinInputLength || Size > kMaxInputLength) { | |
30 | return 1; | |
31 | } | |
32 | ||
33 | struct lldpd cfg; | |
34 | cfg.g_config.c_mgmt_pattern = NULL; | |
83f0eddc | 35 | cfg.g_config.c_tx_hold = LLDPD_TX_HOLD; |
261f3af4 AS |
36 | |
37 | struct lldpd_chassis *nchassis = NULL; | |
38 | struct lldpd_port *nport = NULL; | |
39 | struct lldpd_hardware hardware; | |
145d6548 | 40 | TAILQ_INIT(&hardware.h_rports); |
261f3af4 AS |
41 | log_register(donothing); |
42 | ||
43 | edp_decode(&cfg, (char *)Data, Size, &hardware, &nchassis, &nport); | |
44 | ||
45 | if (!nchassis || !nport) { | |
46 | return 1; | |
47 | } | |
48 | ||
49 | lldpd_port_cleanup(nport, 1); | |
50 | free(nport); | |
51 | lldpd_chassis_cleanup(nchassis, 1); | |
52 | ||
53 | return 0; | |
54 | } |