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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:59:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:59:48 +0000 |
commit | 3b9b6d0b8e7f798023c9d109c490449d528fde80 (patch) | |
tree | 2e1c188dd7b8d7475cd163de9ae02c428343669b /fuzz/isc_lex_getmastertoken.c | |
parent | Initial commit. (diff) | |
download | bind9-0cd617f6bad00b68e380aeb0024ef4dc1985191c.tar.xz bind9-0cd617f6bad00b68e380aeb0024ef4dc1985191c.zip |
Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fuzz/isc_lex_getmastertoken.c')
-rw-r--r-- | fuzz/isc_lex_getmastertoken.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/fuzz/isc_lex_getmastertoken.c b/fuzz/isc_lex_getmastertoken.c new file mode 100644 index 0000000..5931e18 --- /dev/null +++ b/fuzz/isc_lex_getmastertoken.c @@ -0,0 +1,81 @@ +/* + * 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 <stddef.h> +#include <stdint.h> + +#include <isc/buffer.h> +#include <isc/lex.h> +#include <isc/mem.h> +#include <isc/string.h> +#include <isc/util.h> + +#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); +} |