diff options
Diffstat (limited to 'tests/fuzz_edp.c')
-rw-r--r-- | tests/fuzz_edp.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/fuzz_edp.c b/tests/fuzz_edp.c new file mode 100644 index 0000000..c670c5c --- /dev/null +++ b/tests/fuzz_edp.c @@ -0,0 +1,54 @@ +/* -*- 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 cfg; + cfg.g_config.c_mgmt_pattern = NULL; + cfg.g_config.c_tx_hold = LLDPD_TX_HOLD; + + struct lldpd_chassis *nchassis = NULL; + struct lldpd_port *nport = NULL; + struct lldpd_hardware hardware; + TAILQ_INIT(&hardware.h_rports); + log_register(donothing); + + edp_decode(&cfg, (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; +} |