oss-fuzz/projects/haproxy/fuzz_hpack_decode.c

75 lines
2.2 KiB
C

/*
* # Copyright 2020 Google 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 <ctype.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <common/chunk.h>
#include <common/hpack-dec.h>
#include <common/mini-clist.h>
#define MAX_RQ_SIZE 65536
#define MAX_HDR_NUM 1000
char hex[MAX_RQ_SIZE*3+3]; // enough for "[ XX]* <CR> <LF> \0"
uint8_t buf[MAX_RQ_SIZE];
char trash_buf[MAX_RQ_SIZE];
char tmp_buf[MAX_RQ_SIZE];
struct buffer trash = { .area = trash_buf, .data = 0, .size = sizeof(trash_buf) };
struct buffer tmp = { .area = tmp_buf, .data = 0, .size = sizeof(tmp_buf) };
/* Empty function we dont need - we just need a callback */
void debug_hexdump(FILE *out, const char *pfx, const char *buf,
unsigned int baseaddr, int len)
{ }
// These must be included here
#include "../src/hpack-huff.c"
#include "../src/hpack-tbl.c"
#include "../src/hpack-dec.c"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size){
char *new_str = (char *)malloc(size+1);
struct hpack_dht *dht;
int dht_size = 4096;
if (new_str == NULL){
return 0;
}
memcpy(new_str, data, size);
new_str[size] = '\0';
struct http_hdr list[MAX_HDR_NUM];
dht = hpack_dht_alloc(dht_size);
hpack_decode_frame(dht, new_str, size, list,sizeof(list)/sizeof(list[0]), &tmp);
if (dht != NULL)
{
free(dht);
}
free(new_str);
return 0;
}