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#include <fluent-bit.h>
#include <fluent-bit/flb_parser.h>
#include <fluent-bit/flb_parser.h>
#include <fluent-bit/flb_input_chunk.h>
#include <fluent-bit/flb_metrics.h>
#include "flb_fuzz_header.h"
#include <stdio.h>
#include <monkey/mk_core.h>
struct flb_parser *parser;
flb_ctx_t *ctx;
int in_ffd;
int out_ffd;
int filter_ffd;
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size < 100) {
return 0;
}
/* Set fuzzer-malloc chance of failure */
flb_malloc_p = 0;
flb_malloc_mod = 25000;
uint8_t ud = data[0];
MOVE_INPUT(1);
#define NM_SIZE 50
char *null_terminated = get_null_terminated(NM_SIZE, &data, &size);
char *nm3 = get_null_terminated(10, &data, &size);
char *nm4 = get_null_terminated(10, &data, &size);
int random_i1 = *(int *)data;
MOVE_INPUT(4);
int random_i2 = *(int *)data;
#define FUNC_NUMS 10
switch (ud % FUNC_NUMS) {
case 0:
flb_output(ctx, null_terminated, nm3);
break;
case 1:
flb_filter(ctx, null_terminated, nm3);
break;
case 2:
flb_input(ctx, null_terminated, nm3);
break;
case 3:
flb_output_check(ctx->config);
break;
case 4: {
struct mk_list *head;
struct flb_input_instance *entry;
mk_list_foreach(head, &ctx->config->inputs) {
entry = mk_list_entry(head, struct flb_input_instance, _head);
flb_input_name_exists(nm3, ctx->config);
flb_input_get_property(nm3, entry);
flb_input_name(entry);
flb_input_collector_running(0, entry);
flb_input_collector_pause(random_i1, entry);
flb_input_collector_resume(random_i2, entry);
flb_input_net_default_listener(nm4, random_i1, entry);
flb_input_collector_start(random_i2, entry);
}
}
break;
case 5: {
struct mk_list *head;
struct flb_input_instance *entry;
mk_list_foreach(head, &ctx->config->inputs) {
entry = mk_list_entry(head, struct flb_input_instance, _head);
if (entry->storage != NULL) {
char bufbuf[100];
flb_input_chunk_append_raw(entry, FLB_INPUT_LOGS, 0, "A",
1, "\0", 0);
struct flb_input_chunk *ic = NULL;
ic = flb_input_chunk_create(entry, FLB_INPUT_LOGS, nm3, 10);
if (ic != NULL) {
flb_input_chunk_get_size(ic);
flb_input_chunk_set_up_down(ic);
flb_input_chunk_down(ic);
flb_input_chunk_set_up(ic);
flb_input_chunk_get_name(ic);
char *tag_buf;
int tag_len;
flb_input_chunk_get_tag(ic, &tag_buf, &tag_len);
size_t flushed;
flb_input_chunk_flush(ic, &flushed);
}
}
}
}
break;
case 6:
flb_input_check(ctx->config);
flb_input_pause_all(ctx->config);
break;
case 7: {
struct mk_list *head;
struct flb_output_instance *entry;
mk_list_foreach(head, &ctx->config->outputs) {
entry = mk_list_entry(head, struct flb_output_instance, _head);
flb_output_net_default(nm4, random_i1, entry);
flb_output_name(entry);
}
}
break;
default:
flb_lib_push(ctx, in_ffd, null_terminated, NM_SIZE);
break;
}
flb_free(null_terminated);
flb_free(nm3);
flb_free(nm4);
return 0;
}
int callback_test(void* data, size_t size, void* cb_data)
{
return 0;
}
struct flb_lib_out_cb cb;
int LLVMFuzzerInitialize(int *argc, char ***argv) {
/* Set fuzzer-malloc chance of failure */
flb_malloc_p = 0;
flb_malloc_mod = 25000;
ctx = flb_create();
flb_service_set(ctx, "Flush", "0", "Grace",
"0", "Log_Level", "debug", NULL);
in_ffd = flb_input(ctx, (char *) "lib", NULL);
flb_input_set(ctx, in_ffd, (char *) "test", NULL);
flb_input_set(ctx, in_ffd, (char *) "BBBB", NULL);
flb_input_set(ctx, in_ffd, (char *) "AAAA", NULL);
flb_input_set(ctx, in_ffd, (char *) "AAAAA", NULL);
flb_input_set(ctx, in_ffd, (char *) "CC", NULL);
flb_input_set(ctx, in_ffd, (char *) "A", NULL);
parser = flb_parser_create("timestamp", "regex", "^(?<time>.*)$", FLB_TRUE,
"%s.%L", "time", NULL, MK_FALSE, 0, FLB_FALSE,
NULL, 0, NULL, ctx->config);
filter_ffd = flb_filter(ctx, (char *) "parser", NULL);
int ret;
ret = flb_filter_set(ctx, filter_ffd, "Match", "test",
"Key_Name", "@timestamp",
"Parser", "timestamp",
"Reserve_Data", "On",
NULL);
cb.cb = callback_test;
cb.data = NULL;
out_ffd = flb_output(ctx, (char *) "lib", &cb);
flb_output_set(ctx, out_ffd, "Match", "*",
"format", "json", NULL);
flb_output_set(ctx, out_ffd,"match", "test", NULL);
flb_output_set(ctx, out_ffd,"region", "us-west-2", NULL);
flb_output_set(ctx, out_ffd,"log_group_name", "fluent", NULL);
flb_output_set(ctx, out_ffd,"log_stream_prefix", "from-fluent-", NULL);
flb_output_set(ctx, out_ffd,"auto_create_group", "On", NULL);
flb_output_set(ctx, out_ffd,"net.keepalive", "Off", NULL);
flb_output_set(ctx, out_ffd,"Retry_Limit", "1", NULL);
/* start the engine */
flb_start(ctx);
}
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