glib/fuzzing/fuzz_paths.c

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/*
* Copyright 2021 Endless OS Foundation, LLC
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "fuzz.h"
int
LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
{
unsigned char *nul_terminated_data = NULL;
const gchar *skipped_root G_GNUC_UNUSED /* when compiling with G_DISABLE_ASSERT */;
gchar *basename = NULL, *dirname = NULL;
fuzz_set_logging_func ();
/* ignore @size (none of the functions support it); ensure @data is nul-terminated */
nul_terminated_data = (unsigned char *) g_strndup ((const gchar *) data, size);
g_path_is_absolute ((const gchar *) nul_terminated_data);
skipped_root = g_path_skip_root ((const gchar *) nul_terminated_data);
g_assert (skipped_root == NULL || skipped_root >= (const gchar *) nul_terminated_data);
g_assert (skipped_root == NULL || skipped_root <= (const gchar *) nul_terminated_data + size);
basename = g_path_get_basename ((const gchar *) nul_terminated_data);
g_assert (strcmp (basename, ".") == 0 || strlen (basename) <= size);
dirname = g_path_get_dirname ((const gchar *) nul_terminated_data);
g_assert (strcmp (dirname, ".") == 0 || strlen (dirname) <= size);
g_free (nul_terminated_data);
g_free (dirname);
g_free (basename);
return 0;
}