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/*
* Copyright (c) 2017-2019, 2021-2023 Free Software Foundation, Inc.
*
* This file is part of GNU Wget.
*
* GNU Wget is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GNU Wget is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Wget. If not, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <sys/types.h>
#include <dirent.h> // opendir, readdir
#include <stdint.h> // uint8_t
#include <stdio.h> // fmemopen
#include <string.h> // strncmp
#include <stdlib.h> // free
#include <fcntl.h> // open flags
#include <unistd.h> // close
#include <setjmp.h> // longjmp, setjmp
#include <assert.h> // assert
#include "wget.h"
#undef fopen_wgetrc
#ifdef __cplusplus
extern "C" {
#endif
#include "http-ntlm.h"
// declarations for wget internal functions
int main_wget(int argc, const char **argv);
void cleanup(void);
FILE *fopen_wget(const char *pathname, const char *mode);
FILE *fopen_wgetrc(const char *pathname, const char *mode);
void exit_wget(int status);
#ifdef __cplusplus
}
#endif
#include "fuzzer.h"
FILE *fopen_wget(const char *pathname, const char *mode)
{
(void) pathname;
return fopen("/dev/null", mode);
}
FILE *fopen_wgetrc(const char *pathname, const char *mode)
{
(void) pathname;
(void) mode;
return NULL;
}
#ifdef FUZZING
void exit_wget(int status)
{
(void) status;
}
#endif
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
if (size > 128) // same as max_len = ... in .options file
return 0;
// CLOSE_STDERR
struct ntlmdata *ntlm = (struct ntlmdata *) calloc(1, sizeof(struct ntlmdata));
char *data0 = (char *) malloc(size + 4 + 1);
bool ready;
assert(ntlm && data0);
memcpy(data0, "NTLM", 4);
memcpy(data0 + 4, data, size);
data0[size + 4] = 0;
if (ntlm_input(ntlm, data0))
free(ntlm_output(ntlm, data0 + 4, data0 + 4, &ready));
free(data0);
free(ntlm);
// RESTORE_STDERR
return 0;
}
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