/* $NetBSD: isc_lex_getmastertoken.c,v 1.2.4.2 2024/02/29 12:33:43 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #include #include #include #include #include #include #include #include "fuzz.h" bool debug = false; int LLVMFuzzerInitialize(int *argc __attribute__((unused)), char ***argv __attribute__((unused))); int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); static isc_mem_t *mctx = NULL; static isc_lex_t *lex = NULL; int LLVMFuzzerInitialize(int *argc __attribute__((unused)), char ***argv __attribute__((unused))) { isc_result_t result; isc_mem_create(&mctx); result = isc_lex_create(mctx, 1024, &lex); REQUIRE(result == ISC_R_SUCCESS); return (0); } int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { isc_buffer_t buf; isc_result_t result; isc_token_t token; isc_tokentype_t expect; bool eol; if (size < sizeof(expect) + sizeof(eol)) { return (0); } (void)memmove(&expect, data, sizeof(expect)); data += sizeof(expect); size -= sizeof(expect); eol = *data != 0; data += 1; size -= 1; isc_buffer_constinit(&buf, data, size); isc_buffer_add(&buf, size); isc_buffer_setactive(&buf, size); CHECK(isc_lex_openbuffer(lex, &buf)); do { result = isc_lex_getmastertoken(lex, &token, expect, eol); } while (result == ISC_R_SUCCESS && token.type != isc_tokentype_eof); return (0); }