mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
a42a5a42f7
Checksums are better ignored during fuzzing, hence a flag is added to the regfio parser to disable checksums. Signed-off-by: Michael Hanselmann <public@hansmi.ch> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Uri Simchoni <uri@samba.org>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
|
|
* Unix SMB/CIFS implementation.
|
|
* Windows NT registry I/O library
|
|
* Copyright (C) Michael Hanselmann 2019
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "fuzzing/fuzzing.h"
|
|
#include "system/filesys.h"
|
|
#include "lib/util/fault.h"
|
|
#include "registry/reg_objects.h"
|
|
#include "registry/regfio.h"
|
|
|
|
static FILE *fp;
|
|
static char filename[128];
|
|
|
|
int LLVMFuzzerInitialize(int *argc, char ***argv)
|
|
{
|
|
fp = tmpfile();
|
|
|
|
(void)snprintf(filename, sizeof(filename), "/proc/self/fd/%d", fileno(fp));
|
|
|
|
return 0;
|
|
}
|
|
|
|
int LLVMFuzzerTestOneInput(uint8_t *buf, size_t len)
|
|
{
|
|
REGF_FILE* regfile;
|
|
REGF_NK_REC *nk, *subkey;
|
|
|
|
rewind(fp);
|
|
(void)fwrite(buf, len, 1, fp);
|
|
(void)fflush(fp);
|
|
|
|
regfile = regfio_open(filename, O_RDONLY, 0600);
|
|
if (!regfile) {
|
|
goto out;
|
|
}
|
|
|
|
regfile->ignore_checksums = true;
|
|
|
|
nk = regfio_rootkey(regfile);
|
|
if (nk != NULL) {
|
|
nk->subkey_index = 0;
|
|
while ((subkey = regfio_fetch_subkey(regfile, nk))) {
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (regfile != NULL) {
|
|
regfio_close(regfile);
|
|
}
|
|
|
|
return 0;
|
|
}
|