mirror of
https://gitlab.isc.org/isc-projects/bind9
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78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include <isc/buffer.h>
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#include <isc/lex.h>
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#include <isc/mem.h>
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#include <isc/string.h>
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#include <isc/util.h>
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#include "fuzz.h"
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bool debug = false;
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int
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LLVMFuzzerInitialize(int *argc __attribute__((unused)),
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char ***argv __attribute__((unused)));
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int
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LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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static isc_mem_t *mctx = NULL;
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static isc_lex_t *lex = NULL;
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int
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LLVMFuzzerInitialize(int *argc __attribute__((unused)),
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char ***argv __attribute__((unused))) {
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isc_mem_create(&mctx);
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isc_lex_create(mctx, 1024, &lex);
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return (0);
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}
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int
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LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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isc_buffer_t buf;
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isc_result_t result;
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isc_token_t token;
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isc_tokentype_t expect;
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bool eol;
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if (size < sizeof(expect) + sizeof(eol)) {
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return (0);
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}
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(void)memmove(&expect, data, sizeof(expect));
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data += sizeof(expect);
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size -= sizeof(expect);
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eol = *data != 0;
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data += 1;
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size -= 1;
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isc_buffer_constinit(&buf, data, size);
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isc_buffer_add(&buf, size);
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isc_buffer_setactive(&buf, size);
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CHECK(isc_lex_openbuffer(lex, &buf));
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do {
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result = isc_lex_getmastertoken(lex, &token, expect, eol);
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} while (result == ISC_R_SUCCESS && token.type != isc_tokentype_eof);
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return (0);
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}
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