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9c55864e | 1 | /* Testcase for http://sourceware.org/bugzilla/show_bug.cgi?id=14090. |
bfff8b1b | 2 | Copyright (C) 2012-2017 Free Software Foundation, Inc. |
9c55864e AJ |
3 | This file is part of the GNU C Library. |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published | |
7 | by the Free Software Foundation; version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <stdint.h> | |
19 | #include <stdio.h> | |
20 | #include <stdlib.h> | |
21 | #include <string.h> | |
22 | #include <sys/mman.h> | |
23 | ||
24 | #include "md5.h" | |
25 | ||
26 | /* This test will not work with 32-bit size_t, so let it succeed | |
27 | there. */ | |
28 | #if SIZE_MAX <= UINT32_MAX | |
29 | static int | |
30 | do_test (void) | |
31 | { | |
32 | return 0; | |
33 | } | |
34 | #else | |
35 | ||
36 | # define CONST_2G 0x080000000 | |
37 | # define CONST_10G 0x280000000 | |
38 | ||
39 | /* MD5 sum values of zero-filled blocks of specified sizes. */ | |
40 | static const struct test_data_s | |
41 | { | |
42 | const char ref[16]; | |
43 | size_t len; | |
44 | } test_data[] = | |
45 | { | |
46 | { "\xd4\x1d\x8c\xd9\x8f\x00\xb2\x04\xe9\x80\x09\x98\xec\xf8\x42\x7e", | |
47 | 0x000000000 }, | |
48 | { "\xa9\x81\x13\x0c\xf2\xb7\xe0\x9f\x46\x86\xdc\x27\x3c\xf7\x18\x7e", | |
49 | 0x080000000 }, | |
50 | { "\xc9\xa5\xa6\x87\x8d\x97\xb4\x8c\xc9\x65\xc1\xe4\x18\x59\xf0\x34", | |
51 | 0x100000000 }, | |
52 | { "\x58\xcf\x63\x8a\x73\x3f\x91\x90\x07\xb4\x28\x7c\xf5\x39\x6d\x0c", | |
53 | 0x180000000 }, | |
54 | { "\xb7\x70\x35\x1f\xad\xae\x5a\x96\xbb\xaf\x97\x02\xed\x97\xd2\x8d", | |
55 | 0x200000000 }, | |
56 | { "\x2d\xd2\x6c\x4d\x47\x99\xeb\xd2\x9f\xa3\x1e\x48\xd4\x9e\x8e\x53", | |
57 | 0x280000000 }, | |
58 | }; | |
59 | ||
60 | static int | |
61 | report (const char *id, const char *md5, size_t len, const char *ref) | |
62 | { | |
63 | if (memcmp (md5, ref, 16)) | |
64 | { | |
65 | printf ("test %s with size %zd failed\n", id, len); | |
66 | return 1; | |
67 | } | |
68 | return 0; | |
69 | } | |
70 | ||
71 | /* Test md5 in a single md5_process_bytes call. */ | |
72 | static int | |
73 | test_single (void *buf, size_t len, const char *ref) | |
74 | { | |
75 | char sum[16]; | |
76 | struct md5_ctx ctx; | |
77 | ||
78 | __md5_init_ctx (&ctx); | |
79 | __md5_process_bytes (buf, len, &ctx); | |
80 | __md5_finish_ctx (&ctx, sum); | |
81 | ||
82 | return report ("single", sum, len, ref); | |
83 | } | |
84 | ||
85 | /* Test md5 with two md5_process_bytes calls to trigger a | |
86 | different path in md5_process_block for sizes > 2 GB. */ | |
87 | static int | |
88 | test_double (void *buf, size_t len, const char *ref) | |
89 | { | |
90 | char sum[16]; | |
91 | struct md5_ctx ctx; | |
92 | ||
93 | __md5_init_ctx (&ctx); | |
94 | if (len >= CONST_2G) | |
95 | { | |
96 | __md5_process_bytes (buf, CONST_2G, &ctx); | |
97 | __md5_process_bytes (buf + CONST_2G, len - CONST_2G, &ctx); | |
98 | } | |
99 | else | |
100 | __md5_process_bytes (buf, len, &ctx); | |
101 | ||
102 | __md5_finish_ctx (&ctx, sum); | |
103 | ||
104 | return report ("double", sum, len, ref); | |
105 | } | |
106 | ||
107 | ||
108 | static int | |
109 | do_test (void) | |
110 | { | |
111 | void *buf; | |
112 | unsigned int j; | |
113 | int result = 0; | |
114 | ||
115 | buf = mmap64 (0, CONST_10G, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); | |
116 | if (buf == MAP_FAILED) | |
117 | { | |
118 | puts ("Could not allocate 10 GB via mmap, skipping test."); | |
119 | return 0; | |
120 | } | |
121 | ||
122 | for (j = 0; j < sizeof (test_data) / sizeof (struct test_data_s); j++) | |
123 | { | |
124 | if (test_single (buf, test_data[j].len, test_data[j].ref)) | |
125 | result = 1; | |
126 | if (test_double (buf, test_data[j].len, test_data[j].ref)) | |
127 | result = 1; | |
128 | } | |
129 | ||
130 | return result; | |
131 | } | |
132 | #endif | |
133 | ||
134 | /* This needs on a fast machine 90s. */ | |
626f8b6a | 135 | #define TIMEOUT 480 |
9c55864e AJ |
136 | #define TEST_FUNCTION do_test () |
137 | #include "../test-skeleton.c" |