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/*
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* Copyright 2021 Endless OS Foundation, LLC
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "fuzz.h"
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#include "gio/gnetworking.h"
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#include "../gio/gthreadedresolver.h"
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static void
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test_for_rrtype (const guint8 *data,
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gsize data_len,
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gint rrtype)
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{
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/* g_resolver_records_from_res_query() is only available on Unix */
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#ifdef G_OS_UNIX
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GList *record_list = NULL;
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/* Data too long? */
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if (data_len > G_MAXSSIZE)
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return;
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/* rrname is only used in error messages, so doesn’t need to vary.
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* herr is used similarly, so is just set to zero. */
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record_list = g_resolver_records_from_res_query ("rrname",
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rrtype,
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data,
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data_len,
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0,
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NULL);
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g_list_free_full (record_list, (GDestroyNotify) g_variant_unref);
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#endif /* G_OS_UNIX */
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}
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int
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LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
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{
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const gint rrtypes_to_test[] =
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{
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/* See https://en.wikipedia.org/wiki/List_of_DNS_record_types */
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33 /* SRV */,
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15 /* MX */,
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6 /* SOA */,
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2 /* NS */,
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16 /* TXT */,
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999, /* not currently a valid rrtype, to test the ‘unknown’ code path */
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};
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gsize i;
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fuzz_set_logging_func ();
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for (i = 0; i < G_N_ELEMENTS (rrtypes_to_test); i++)
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test_for_rrtype (data, size, rrtypes_to_test[i]);
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return 0;
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}
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