diff options
Diffstat (limited to 'fluent-bit/tests/internal/fuzzers/utils_fuzzer.c')
-rw-r--r-- | fluent-bit/tests/internal/fuzzers/utils_fuzzer.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/fluent-bit/tests/internal/fuzzers/utils_fuzzer.c b/fluent-bit/tests/internal/fuzzers/utils_fuzzer.c deleted file mode 100644 index 2352adf3..00000000 --- a/fluent-bit/tests/internal/fuzzers/utils_fuzzer.c +++ /dev/null @@ -1,242 +0,0 @@ -/* Fluent Bit - * ========== - * Copyright (C) 2019-2021 The Fluent Bit Authors - * Copyright (C) 2015-2018 Treasure Data Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdint.h> -#include <string.h> -#include <stdlib.h> -#include <msgpack.h> -#include <fluent-bit/flb_mem.h> -#include <fluent-bit/flb_utils.h> -#include <fluent-bit/flb_slist.h> -#include <fluent-bit/flb_gzip.h> -#include <fluent-bit/flb_hash_table.h> -#include <fluent-bit/flb_uri.h> -#include <fluent-bit/flb_hash.h> -#include <fluent-bit/flb_regex.h> -#include "flb_fuzz_header.h" - -int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) -{ - TIMEOUT_GUARD - - if (size < 750) { - return 0; - } - - /* Set fuzzer-malloc chance of failure */ - flb_malloc_mod = 25000; - flb_malloc_p = 0; - - uint64_t ran_hash = *(uint64_t *)data; - char *null_terminated1 = get_null_terminated(25, &data, &size); - char *null_terminated2 = get_null_terminated(25, &data, &size); - char *null_terminated3 = get_null_terminated(25, &data, &size); - - /* Prepare a general null-terminated string */ - char *null_terminated = (char*)malloc(size+1); - null_terminated[size] = '\0'; - memcpy(null_terminated, data, size); - - /* Fuzzing of flb_utils.c */ - int sec; - long nsec; - size_t new_size; - char *prot = NULL; - char *host = NULL; - char *port = NULL; - char *uri = NULL; - char *new_dst = NULL; - - if (flb_utils_write_str_buf(null_terminated, size, &new_dst, &new_size) == 0) { - flb_free(new_dst); - } - - struct mk_list *list = flb_utils_split(null_terminated, 'A', 3); - if (list != NULL) { - flb_utils_split_free(list); - } - struct mk_list *list2 = flb_utils_split_quoted(null_terminated, 'A', 3); - if (list2 != NULL) { - flb_utils_split_free(list2); - } - - if (flb_utils_url_split(null_terminated, &prot, &host, &port, &uri) == 0) { - flb_free(prot); - flb_free(port); - flb_free(host); - flb_free(uri); - } - - char *split_protocol = NULL; - char *split_username = NULL; - char *split_password = NULL; - char *split_host = NULL; - char *split_port = NULL; - if (flb_utils_proxy_url_split(null_terminated, &split_protocol, - &split_username, &split_password, &split_host, &split_port) == 0) { - if (split_protocol) { - flb_free(split_protocol); - } - if (split_username) { - flb_free(split_username); - } - if (split_password) { - flb_free(split_password); - } - if (split_host) { - flb_free(split_host); - } - if (split_port) { - flb_free(split_port); - } - } - - - flb_utils_size_to_bytes(null_terminated); - flb_utils_time_split(null_terminated, &sec, &nsec); - flb_utils_time_to_seconds(null_terminated); - flb_utils_bool(null_terminated); - flb_utils_hex2int(null_terminated, size); - - /* Fuzzong of flb_uri.c */ - struct flb_uri *uri2 = NULL; - uri2 = flb_uri_create(null_terminated); - if (uri2 != NULL) { - flb_uri_get(uri2, (int)data[0]); - flb_uri_dump(uri2); - flb_uri_destroy(uri2); - } - flb_sds_t encoded = flb_uri_encode((char*)data, size); - if (encoded != NULL) { - flb_sds_destroy(encoded); - } - - /* Fuzzing of flb_hash.c */ - struct flb_hash_table *ht = NULL; - ht = flb_hash_table_create((int)(data[2] % 0x04), - (size_t)data[0], - (int)data[1]); - if (ht != NULL) { - flb_hash_table_add(ht, null_terminated, size, null_terminated, size); - - char *out_buf = NULL; - size_t out_size; - flb_hash_table_get(ht, null_terminated, size, (void **)&out_buf, &out_size); - - /* now let's create some more instances */ - char *instances1[128] = { NULL }; - char *instances2[128] = { NULL }; - for (int i = 0; i < 128; i++) { - char *in1 = malloc(3); - char *in2 = malloc(3); - memcpy(in1, data+(i*4), 2); - memcpy(in2, data+(i*4)+2, 2); - in1[2] = '\0'; - in2[2] = '\0'; - flb_hash_table_add(ht, in1, 2, in2, 2); - instances1[i] = in1; - instances2[i] = in2; - } - - for(int i = 0; i < 20; i++) { - char *hash_out_buf; - size_t hash_out_size; - flb_hash_table_get_by_id(ht, (int)data[i], null_terminated, - (const char **)&hash_out_buf, &hash_out_size); - } - - flb_hash_table_del(ht, null_terminated1); - flb_hash_table_exists(ht, ran_hash); - flb_hash_table_del_ptr(ht, null_terminated2, strlen(null_terminated2), NULL); - flb_hash_table_get_ptr(ht, null_terminated3, strlen(null_terminated3)); - - flb_hash_table_destroy(ht); - for (int i =0; i<128; i++) { - flb_free(instances1[i]); - flb_free(instances2[i]); - } - } - - /* sds */ - flb_sds_t fs = flb_sds_create_len((const char*)data, size); - if (fs != NULL) { - fs = flb_sds_cat_esc(fs, "AAABBBCCC", 9, "ABC", 3); - if (fs != NULL) { - flb_sds_destroy(fs); - } - } - - /* Fuzzing of flb_gzip.c */ - void *str = NULL; - size_t len; - void *out_data = NULL; - size_t out_len; - if (flb_gzip_compress((char*)data, size, &str, &len) != -1) { - flb_gzip_uncompress(str, len, &out_data, &out_len); - } - if (str != NULL) { - free(str); - } - if (out_data != NULL) { - free(out_data); - } - void *out_data2 = NULL; - size_t out2_len; - int uncompress_ret = flb_gzip_uncompress((char*)data, size, &out_data2, &out2_len); - if (uncompress_ret != -1 && out_data2 != NULL) { - flb_free(out_data2); - } - - /* Fuzzing the sha routines */ - struct flb_hash sha512; - uint8_t buf[64]; - - flb_hash_init(&sha512, FLB_HASH_SHA512); - flb_hash_update(&sha512, (unsigned char *) null_terminated, 32); - flb_hash_update(&sha512, (unsigned char *) null_terminated+32, 32); - flb_hash_update(&sha512, (unsigned char *) null_terminated+64, 32); - flb_hash_finalize(&sha512, buf, sizeof(buf)); - flb_hash_cleanup(&sha512); - - /* regex */ - char *pregex = "^(?<INT>[^ ]+) (?<FLOAT>[^ ]+) (?<BOOL>[^ ]+) (?<STRING>.+)$"; - flb_regex_init(); - struct flb_regex *freg = flb_regex_create(pregex); - if (freg != NULL) { - flb_regex_match(freg, (unsigned char*)null_terminated, size); - flb_regex_destroy(freg); - } - flb_regex_exit(); - - /* slist */ - struct mk_list list3; - flb_slist_create(&list3); - flb_sds_t slist_str = flb_sds_create_len((const char*)data, size); - flb_slist_add_sds(&list3, slist_str); - flb_slist_entry_get(&list3, 100); - flb_slist_dump(&list3); - flb_slist_destroy(&list3); - - - /* General cleanup */ - flb_free(null_terminated); - flb_free(null_terminated1); - flb_free(null_terminated2); - flb_free(null_terminated3); - return 0; -} |