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1 : : /* GLib testing framework examples and tests
2 : : *
3 : : * Copyright (C) 2013 Collabora, Ltd.
4 : : *
5 : : * SPDX-License-Identifier: LicenseRef-old-glib-tests
6 : : *
7 : : * This work is provided "as is"; redistribution and modification
8 : : * in whole or in part, in any medium, physical or electronic is
9 : : * permitted without restriction.
10 : : *
11 : : * This work is distributed in the hope that it will be useful,
12 : : * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 : : *
15 : : * In no event shall the authors or contributors be liable for any
16 : : * direct, indirect, incidental, special, exemplary, or consequential
17 : : * damages (including, but not limited to, procurement of substitute
18 : : * goods or services; loss of use, data, or profits; or business
19 : : * interruption) however caused and on any theory of liability, whether
20 : : * in contract, strict liability, or tort (including negligence or
21 : : * otherwise) arising in any way out of the use of this software, even
22 : : * if advised of the possibility of such damage.
23 : : *
24 : : * Author: Philip Withnall <philip.withnall@collabora.co.uk>
25 : : */
26 : :
27 : : #define GIO_COMPILATION 1
28 : : #include "../thumbnail-verify.c"
29 : :
30 : : static void
31 : 1 : test_validity (void)
32 : : {
33 : : struct
34 : : {
35 : : const gchar *filename; /* name of a file in the tests/thumbnails dir */
36 : : guint64 mtime; /* asserted mtime of @filename */
37 : : guint64 size; /* asserted size of @filename */
38 : : gboolean expected_validity; /* should thumbnail_verify() succeed? */
39 : : }
40 : 1 : tests[] =
41 : : {
42 : : /*
43 : : * Tests with well-formed PNG files.
44 : : *
45 : : * Note that these files have all been brutally truncated to a reasonable
46 : : * size, so aren't actually valid PNG files. Their headers are valid,
47 : : * however, and that's all we care about.
48 : : */
49 : :
50 : : /* Test that validation succeeds against a valid PNG file with URI,
51 : : * mtime and size which match the expected values. */
52 : : { "valid.png", 1382429848, 93654, TRUE },
53 : : /* Test that validation succeeds with URI and mtime, but no size in the
54 : : * tEXt data. */
55 : : { "valid-no-size.png", 1382429848, 93633, TRUE },
56 : : /* Test that a missing file fails validation. */
57 : : { "missing.png", 123456789, 12345, FALSE },
58 : : /* Test that an existing file with no tEXt data fails validation. */
59 : : { "no-text-data.png", 123 /* invalid */, 26378, FALSE },
60 : : /* Test that a URI mismatch fails validation. */
61 : : { "uri-mismatch.png" /* invalid */, 1382429848, 93654, FALSE },
62 : : /* Test that an mtime mismatch fails validation. */
63 : : { "valid.png", 123 /* invalid */, 93654, FALSE },
64 : : /* Test that a valid URI and mtime, but a mismatched size, fails
65 : : * validation. */
66 : : { "valid.png", 1382429848, 123 /* invalid */, FALSE },
67 : : /* Test that validation succeeds with an mtime of 0. */
68 : : { "mtime-zero.png", 0, 93621, TRUE },
69 : : /* Test that validation fails if the mtime is only a prefix match. */
70 : : { "valid.png", 9848 /* invalid */, 93654, FALSE },
71 : :
72 : : /*
73 : : * Tests with PNG files which have malicious or badly-formed headers.
74 : : *
75 : : * As above, the files have all been truncated to reduce their size.
76 : : */
77 : :
78 : : /* Check a corrupted PNG header fails validation. */
79 : : { "bad-header.png", 1382429848, 93654, FALSE },
80 : : /* Check a PNG header by itself fails. */
81 : : { "header-only.png", 1382429848, 8, FALSE },
82 : : /* Check a PNG header and initial chunk size fails. */
83 : : { "header-and-chunk-size.png", 1382429848, 20, FALSE },
84 : : /* Check a huge chunk size fails. */
85 : : { "huge-chunk-size.png", 1382429848, 93654, FALSE },
86 : : /* Check that an empty key fails. */
87 : : { "empty-key.png", 1382429848, 93654, FALSE },
88 : : /* Check that an over-long value fails (even if nul-terminated). */
89 : : { "overlong-value.png", 1382429848, 93660, FALSE },
90 : : };
91 : : guint i;
92 : :
93 : : /* Run all the tests. */
94 : 16 : for (i = 0; i < G_N_ELEMENTS (tests); i++)
95 : : {
96 : : GLocalFileStat stat_buf;
97 : : const gchar *thumbnail_path;
98 : : gchar *file_uri;
99 : : gboolean result;
100 : :
101 : 15 : thumbnail_path = g_test_get_filename (G_TEST_DIST, "thumbnails",
102 : : tests[i].filename, NULL);
103 : 15 : file_uri = g_strconcat ("file:///tmp/", tests[i].filename, NULL);
104 : : #ifdef HAVE_STATX
105 : 15 : stat_buf.stx_mtime.tv_sec = tests[i].mtime;
106 : 15 : stat_buf.stx_size = tests[i].size;
107 : : #else
108 : : #ifdef G_OS_WIN32
109 : : stat_buf.st_mtim.tv_sec = tests[i].mtime;
110 : : #else
111 : : stat_buf.st_mtime = tests[i].mtime;
112 : : #endif
113 : : stat_buf.st_size = tests[i].size;
114 : : #endif
115 : :
116 : 15 : result = thumbnail_verify (thumbnail_path, file_uri, &stat_buf);
117 : :
118 : 15 : g_free (file_uri);
119 : :
120 : 15 : g_assert (result == tests[i].expected_validity);
121 : : }
122 : 1 : }
123 : :
124 : : int
125 : 1 : main (int argc,
126 : : char *argv[])
127 : : {
128 : 1 : g_test_init (&argc, &argv, NULL);
129 : :
130 : 1 : g_test_add_func ("/png-thumbs/validity", test_validity);
131 : :
132 : 1 : return g_test_run ();
133 : : }
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