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2732650bfb
While reading a single byte or uint16 from an input stream is fairly simple and uncontroversial, the code to read a line or read up to any of a set of stop characters is not so trivial. People may be using `GDataInputStream` to parse untrusted input like this, so we should probably test that it’s robust against a variety of input conditions. Signed-off-by: Philip Withnall <pwithnall@gnome.org>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* Copyright 2024 GNOME Foundation, Inc.
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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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int
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LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
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{
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GInputStream *base_stream = NULL;
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GDataInputStream *input_stream = NULL;
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char *line = NULL;
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size_t line_length = 0;
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fuzz_set_logging_func ();
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base_stream = g_memory_input_stream_new_from_data (data, size, NULL);
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input_stream = g_data_input_stream_new (base_stream);
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line = g_data_input_stream_read_line_utf8 (input_stream, &line_length, NULL, NULL);
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g_assert (line != NULL || line_length == 0);
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g_assert (line_length <= size);
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g_free (line);
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g_clear_object (&input_stream);
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g_clear_object (&base_stream);
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return 0;
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}
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