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34573bdf46
* Makefile.am: Add wget_progress_fuzzer. * wget_progress_fuzzer.c: New file.
143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/*
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* Copyright (c) 2017-2019 Free Software Foundation, Inc.
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*
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* This file is part of GNU Wget.
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*
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* GNU Wget is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNU Wget is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Wget. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <dirent.h> // opendir, readdir
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#include <stdint.h> // uint8_t
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#include <stdio.h> // fmemopen
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#include <string.h> // strncmp
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#include <stdlib.h> // free
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#include <fcntl.h> // open flags
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#include <unistd.h> // close
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#include <setjmp.h> // longjmp, setjmp
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#include "wget.h"
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#undef fopen_wgetrc
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "progress.h"
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// declarations for wget internal functions
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int main_wget(int argc, const char **argv);
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void cleanup(void);
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FILE *fopen_wget(const char *pathname, const char *mode);
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FILE *fopen_wgetrc(const char *pathname, const char *mode);
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void exit_wget(int status);
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#ifdef __cplusplus
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}
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#endif
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#include "fuzzer.h"
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FILE *fopen_wget(const char *pathname, const char *mode)
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{
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(void) pathname;
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return fopen("/dev/null", mode);
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}
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FILE *fopen_wgetrc(const char *pathname, const char *mode)
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{
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(void) pathname;
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(void) mode;
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return NULL;
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}
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#ifdef FUZZING
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void exit_wget(int status)
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{
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(void) status;
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}
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#endif
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#define NAMEPOS (2 * sizeof(wgint) + sizeof(double))
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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void *progress;
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if (size > 4096) // same as max_len = ... in .options file
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return 0;
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if (size < NAMEPOS)
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return 0;
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// CLOSE_STDERR
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wgint start = ((wgint *) data)[0];
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wgint end = ((wgint *) data)[1];
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double dltime = ((wgint *) data)[2];
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if (start < 0 || end < 0)
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return 0;
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if (start > end) {
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wgint x = start;
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start = end;
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end = x;
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}
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// double dltime = ((double *) (data + 2 * sizeof(wgint)))[0];
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char *filename = strndup((char *) (data + NAMEPOS), size - NAMEPOS);
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// printf("%ld %ld %lf %s\n", start, end, dltime, filename);
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set_progress_implementation("bar:force"); // [:force][:noscroll]
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progress = progress_create (filename, start, end);
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progress_update (progress, 0, dltime);
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progress_update (progress, end - start, dltime);
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progress_finish (progress, dltime);
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set_progress_implementation("dot:default");// [:default|:binary|:mega|:giga]
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progress = progress_create (filename, start, end);
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progress_update (progress, 0, dltime);
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progress_update (progress, end - start, dltime);
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progress_finish (progress, dltime);
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set_progress_implementation("dot:binary");// [:default|:binary|:mega|:giga]
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progress = progress_create (filename, start, end);
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progress_update (progress, 0, dltime);
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progress_update (progress, end - start, dltime);
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progress_finish (progress, dltime);
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set_progress_implementation("dot:mega");// [:default|:binary|:mega|:giga]
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progress = progress_create (filename, start, end);
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progress_update (progress, 0, dltime);
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progress_update (progress, end - start, dltime);
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progress_finish (progress, dltime);
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set_progress_implementation("dot:giga");// [:default|:binary|:mega|:giga]
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progress = progress_create (filename, start, end);
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progress_update (progress, 0, dltime);
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progress_update (progress, end - start, dltime);
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progress_finish (progress, dltime);
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free(filename);
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// RESTORE_STDERR
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return 0;
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}
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