mirror of
https://github.com/moparisthebest/curl
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57001ce3bb
Automake gets confused if you want to use C++ static libraries with C code - basically we need to involve the clang++ linker. The easiest way of achieving this is to rename the C code as C++ code. This gets us a bit further along the path and ought to be compatible with Google's version of clang.
149 lines
4.6 KiB
C
149 lines
4.6 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2017, Max Dymond, <cmeister2@gmail.com>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include <curl/curl.h>
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#include <testinput.h>
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/**
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* TLV types.
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*/
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#define TLV_TYPE_URL 1
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#define TLV_TYPE_RESPONSE1 2
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#define TLV_TYPE_USERNAME 3
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#define TLV_TYPE_PASSWORD 4
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#define TLV_TYPE_POSTFIELDS 5
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/**
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* TLV function return codes.
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*/
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#define TLV_RC_NO_ERROR 0
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#define TLV_RC_NO_MORE_TLVS 1
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#define TLV_RC_SIZE_ERROR 2
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/**
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* Byte stream representation of the TLV header. Casting the byte stream
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* to a TLV_RAW allows us to examine the type and length.
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*/
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typedef struct tlv_raw
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{
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/* Type of the TLV - 16 bits. */
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uint8_t raw_type[2];
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/* Length of the TLV data - 32 bits. */
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uint8_t raw_length[4];
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} TLV_RAW;
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typedef struct tlv
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{
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/* Type of the TLV */
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uint16_t type;
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/* Length of the TLV data */
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uint32_t length;
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/* Pointer to data if length > 0. */
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const uint8_t *value;
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} TLV;
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/**
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* Internal state when parsing a TLV data stream.
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*/
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typedef struct fuzz_parse_state
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{
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/* Data stream */
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const uint8_t *data;
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size_t data_len;
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/* Current position of our "cursor" in processing the data stream. */
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size_t data_pos;
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} FUZZ_PARSE_STATE;
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/**
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* Data local to a fuzzing run.
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*/
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typedef struct fuzz_data
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{
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/* CURL easy object */
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CURL *easy;
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/* Parser state */
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FUZZ_PARSE_STATE state;
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/* Current URL. */
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char *url;
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/* Response data and length */
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const uint8_t *rsp1_data;
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size_t rsp1_data_len;
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/* Username and password */
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char *username;
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char *password;
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/* Postfields */
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char *postfields;
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} FUZZ_DATA;
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/* Function prototypes */
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uint32_t to_u32(uint8_t b[4]);
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uint16_t to_u16(uint8_t b[2]);
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int fuzz_initialize_fuzz_data(FUZZ_DATA *fuzz,
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const uint8_t *data,
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size_t data_len);
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void fuzz_terminate_fuzz_data(FUZZ_DATA *fuzz);
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void fuzz_free(void **ptr);
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static curl_socket_t fuzz_open_socket(void *ptr,
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curlsocktype purpose,
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struct curl_sockaddr *address);
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static int fuzz_sockopt_callback(void *ptr,
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curl_socket_t curlfd,
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curlsocktype purpose);
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int fuzz_get_first_tlv(FUZZ_DATA *fuzz, TLV *tlv);
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int fuzz_get_next_tlv(FUZZ_DATA *fuzz, TLV *tlv);
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int fuzz_get_tlv_comn(FUZZ_DATA *fuzz, TLV *tlv);
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int fuzz_parse_tlv(FUZZ_DATA *fuzz, TLV *tlv);
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char *fuzz_tlv_to_string(TLV *tlv);
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/* Macros */
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#define FTRY(FUNC) \
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{ \
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int _func_rc = (FUNC); \
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if (_func_rc) \
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{ \
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rc = _func_rc; \
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goto EXIT_LABEL; \
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} \
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}
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#define FCHECK(COND) \
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{ \
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if (!(COND)) \
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{ \
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rc = 1; \
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goto EXIT_LABEL; \
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} \
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}
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