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/*
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS 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.
*
* GnuTLS 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 Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gnutls/gnutls.h>
#include <gnutls/ocsp.h>
#include <stdlib.h>
#include <stdint.h>
#include <limits.h>
#include <dirent.h>
#include "utils.h"
/* This program will load certificates from CERT_DIR and try to print
* them. If CERT_DIR/certname.err is available, it should contain the
* error code that gnutls_x509_crt_import() should return.
*/
#define CERT_DIR "ocsp-resp-interesting"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
static int getnext(DIR **dirp, gnutls_datum_t *der)
{
struct dirent *d;
char path[256];
char cert_dir[256];
const char *src;
int ret;
src = getenv("srcdir");
if (src == NULL)
src = ".";
snprintf(cert_dir, sizeof(cert_dir), "%s/%s", src, CERT_DIR);
if (*dirp == NULL) {
*dirp = opendir(cert_dir);
if (*dirp == NULL)
return -1;
}
do {
d = readdir(*dirp);
if (d != NULL
#ifdef _DIRENT_HAVE_D_TYPE
&& d->d_type == DT_REG
#endif
) {
if (strstr(d->d_name, ".der") == 0)
continue;
snprintf(path, sizeof(path), "%s/%s", cert_dir, d->d_name);
success("Loading %s\n", path);
ret = gnutls_load_file(path, der);
if (ret < 0) {
return -1;
}
return 0;
}
} while(d != NULL);
closedir(*dirp);
return -1; /* finished */
}
#include "../devel/fuzz/gnutls_ocsp_resp_parser_fuzzer.cc"
void doit(void)
{
int ret;
gnutls_datum_t raw;
DIR *dirp = NULL;
ret = global_init();
if (ret < 0)
fail("init %d\n", ret);
while (getnext(&dirp, &raw)==0) {
LLVMFuzzerTestOneInput(raw.data, raw.size);
gnutls_free(raw.data);
raw.data = NULL;
raw.size = 0;
}
gnutls_global_deinit();
}
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