1 /* $NetBSD: isc_lex_gettoken.c,v 1.2 2024/02/21 22:51:58 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 #include <stddef.h> 17 #include <stdint.h> 18 19 #include <isc/buffer.h> 20 #include <isc/lex.h> 21 #include <isc/mem.h> 22 #include <isc/util.h> 23 24 #include "fuzz.h" 25 26 bool debug = false; 27 28 static isc_mem_t *mctx = NULL; 29 static isc_lex_t *lex = NULL; 30 31 int 32 LLVMFuzzerInitialize(int *argc __attribute__((unused)), 33 char ***argv __attribute__((unused))) { 34 isc_result_t result; 35 36 isc_mem_create(&mctx); 37 38 result = isc_lex_create(mctx, 1024, &lex); 39 REQUIRE(result == ISC_R_SUCCESS); 40 41 return (0); 42 } 43 44 int 45 LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 46 isc_buffer_t buf; 47 isc_result_t result; 48 49 isc_buffer_constinit(&buf, data, size); 50 isc_buffer_add(&buf, size); 51 isc_buffer_setactive(&buf, size); 52 53 CHECK(isc_lex_openbuffer(lex, &buf)); 54 55 do { 56 isc_token_t token; 57 result = isc_lex_gettoken(lex, 0, &token); 58 } while (result == ISC_R_SUCCESS); 59 60 return (0); 61 } 62