1#!/usr/bin/perl
2# Basic tests for "md5sum".
3
4# Copyright (C) 1998-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program 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.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19use strict;
20
21my $prog = 'md5sum';
22
23# Turn off localization of executable's output.
24@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
25
26my $degenerate = "d41d8cd98f00b204e9800998ecf8427e";
27
28my $try_help = "Try 'md5sum --help' for more information.\n";
29
30my @Tests =
31    (
32     ['1', {IN=> {f=> ''}},	{OUT=>"$degenerate  f\n"}],
33     ['2', {IN=> {f=> 'a'}},	{OUT=>"0cc175b9c0f1b6a831c399e269772661  f\n"}],
34     ['3', {IN=> {f=> 'abc'}},	{OUT=>"900150983cd24fb0d6963f7d28e17f72  f\n"}],
35     ['4', {IN=> {f=> 'message digest'}},
36                                {OUT=>"f96b697d7cb7938d525a2f31aaf161d0  f\n"}],
37     ['5', {IN=> {f=> 'abcdefghijklmnopqrstuvwxyz'}},
38                                {OUT=>"c3fcd3d76192e4007dfb496cca67e13b  f\n"}],
39     ['6', {IN=> {f=> join ('', 'A'..'Z', 'a'..'z', '0'..'9')}},
40                                {OUT=>"d174ab98d277d9f5a5611c2c9f419d9f  f\n"}],
41     ['7', {IN=> {f=> '1234567890' x 8}},
42                                {OUT=>"57edf4a22be3c955ac49da2e2107b67a  f\n"}],
43     ['backslash-1', {IN=> {".\nfoo"=> ''}},
44                                {OUT=>"\\$degenerate  .\\nfoo\n"}],
45     ['backslash-2', {IN=> {".\\foo"=> ''}},
46                                {OUT=>"\\$degenerate  .\\\\foo\n"}],
47     ['backslash-3', {IN=> {".\rfoo"=> ''}},
48                                {OUT=>"\\$degenerate  .\\rfoo\n"}],
49     ['check-1', '--check', {AUX=> {f=> ''}},
50                                {IN=> {'f.md5' => "$degenerate  f\n"}},
51                                {OUT=>"f: OK\n"}],
52     ['check-windows', '--check', {AUX=> {f=> ''}},
53                                {IN=> {'f.md5' => "$degenerate  f\r\n"}},
54                                {OUT=>"f: OK\n"}],
55
56     # Same as above, but with an added empty line, to test --strict.
57     ['ck-strict-1', '--check --strict', {AUX=> {f=> ''}},
58                                {IN=> {'f.md5' => "$degenerate  f\n\n"}},
59                                {OUT=>"f: OK\n"}],
60
61     # As above, but with the invalid line first, to ensure that following
62     # lines are processed in spite of the preceding invalid input line.
63     ['ck-strict-2', '--check --strict', {AUX=> {f=> ''}},
64                                {IN=> {'in.md5' => "ERR\n$degenerate  f\n"}},
65                                {OUT=>"f: OK\n"},
66                                {ERR=>"md5sum: "
67                                 . "WARNING: 1 line is improperly formatted\n"},
68                                {EXIT=> 1}],
69     ['check-2', '--check', '--status', {IN=>{'f.md5' => "$degenerate  f\n"}},
70                                {AUX=> {f=> 'foo'}}, {EXIT=> 1}],
71     ['check-quiet1', '--check', '--quiet', {AUX=> {f=> ''}},
72                                {IN=> {'f.md5' => "$degenerate  f\n"}},
73                                {OUT=>""}],
74     ['check-quiet2', '--check', '--quiet',
75                                {IN=>{'f.md5' => "$degenerate  f\n"}},
76                                {AUX=> {f=> 'foo'}}, {OUT=>"f: FAILED\n"},
77                                {ERR=>"md5sum: WARNING: 1 computed"
78                                       . " checksum did NOT match\n"},
79                                {EXIT=> 1}],
80     # Exercise new-after-8.6, easier-to-translate diagnostics.
81     ['check-multifail', '--check',
82                                {IN=>{'f.md5' =>
83                                      "$degenerate  f\n"
84                                      . "$degenerate  f\n"
85                                      . "invalid\n" }},
86                                {AUX=> {f=> 'foo'}},
87                                {OUT=>"f: FAILED\nf: FAILED\n"},
88                {ERR=>"md5sum: WARNING: 1 line is improperly formatted\n"
89                    . "md5sum: WARNING: 2 computed checksums did NOT match\n"},
90                                {EXIT=> 1}],
91     # Similar to the above, but use --warn to evoke one more diagnostic.
92     ['check-multifail-warn', '--check', '--warn',
93                                {IN=>{'f.md5' =>
94                                      "$degenerate  f\n"
95                                      . "$degenerate  f\n"
96                                      . "invalid\n" }},
97                                {AUX=> {f=> 'foo'}},
98                                {OUT=>"f: FAILED\nf: FAILED\n"},
99              {ERR=>"md5sum: f.md5: 3: "
100                              . "improperly formatted MD5 checksum line\n"
101                  . "md5sum: WARNING: 1 line is improperly formatted\n"
102                  . "md5sum: WARNING: 2 computed checksums did NOT match\n"},
103                                {EXIT=> 1}],
104     # Ensure we use appropriate state to track failures (broken in 9.2)
105     ['check-multifail-state', '--check', '--warn',
106                                {IN=>{'f.md5' =>
107                                      "$degenerate  f\n"
108                                      . "$degenerate  g\n"
109                                      . "$degenerate  f\n" }},
110                                {AUX=> {f=> ''}}, {AUX=> {g=> 'a'}},
111                                {OUT=>"f: OK\ng: FAILED\nf: OK\n"},
112              {ERR=>"md5sum: WARNING: 1 computed checksum did NOT match\n"},
113                                {EXIT=> 1}],
114     # The sha1sum and md5sum drivers share a lot of code.
115     # Ensure that md5sum does *not* share the part that makes
116     # sha1sum accept BSD format.
117     ['check-bsd', '--check', {IN=> {'f.sha1' => "SHA1 (f) = $degenerate\n"}},
118                                {AUX=> {f=> ''}},
119                                {ERR=>"md5sum: f.sha1: no properly formatted "
120                                       . "checksum lines found\n"},
121                                {EXIT=> 1}],
122     ['check-bsd2', '--check', {IN=> {'f.md5' => "MD5 (f) = $degenerate\n"}},
123                                {AUX=> {f=> ''}}, {OUT=>"f: OK\n"}],
124     ['check-bsd3', '--check', '--status',
125                                {IN=> {'f.md5' => "MD5 (f) = $degenerate\n"}},
126                                {AUX=> {f=> 'bar'}}, {EXIT=> 1}],
127     ['check-openssl', '--check', {IN=> {'f.sha1' => "SHA1(f)= $degenerate\n"}},
128                                {AUX=> {f=> ''}},
129                                {ERR=>"md5sum: f.sha1: no properly formatted "
130                                       . "checksum lines found\n"},
131                                {EXIT=> 1}],
132     ['check-openssl2', '--check', {IN=> {'f.md5' => "MD5(f)= $degenerate\n"}},
133                                {AUX=> {f=> ''}}, {OUT=>"f: OK\n"}],
134     ['check-openssl3', '--check', '--status',
135                                {IN=> {'f.md5' => "MD5(f)= $degenerate\n"}},
136                                {AUX=> {f=> 'bar'}}, {EXIT=> 1}],
137     ['check-ignore-missing-1', '--check', '--ignore-missing',
138                                {AUX=> {f=> ''}},
139                                {IN=> {'f.md5' => "$degenerate  f\n".
140                                                  "$degenerate  f.missing\n"}},
141                                {OUT=>"f: OK\n"}],
142     ['check-ignore-missing-2', '--check', '--ignore-missing',
143                                {AUX=> {f=> ''}},
144                                {IN=> {'f.md5' => "$degenerate  f\n".
145                                                  "$degenerate  f.missing\n"}},
146                                {OUT=>"f: OK\n"}],
147     ['check-ignore-missing-3', '--check', '--quiet', '--ignore-missing',
148                                {AUX=> {f=> ''}},
149                                {IN=> {'f.md5' => "$degenerate  missing/f\n".
150                                                  "$degenerate  f\n"}},
151                                {OUT=>""}],
152     ['check-ignore-missing-4', '--ignore-missing',
153                                {IN=> {f=> ''}},
154                                {ERR=>"md5sum: the --ignore-missing option is ".
155                                   "meaningful only when verifying checksums\n".
156                                   $try_help},
157                                {EXIT=> 1}],
158     ['check-ignore-missing-5', '--check', '--ignore-missing',
159                                {AUX=> {f=> ''}},
160                                {IN=> {'f.md5' => "$degenerate  missing\n"}},
161                                {ERR=>
162                                    "md5sum: f.md5: no file was verified\n"},
163                                {EXIT=> 1}],
164     # coreutils-8.25 with --ignore-missing treated checksums starting with 00
165     # as if the file was not present
166     ['check-ignore-missing-6', '--check', '--ignore-missing',
167                                {AUX=> {f=> '9t'}},
168                                {IN=> {'f.md5' =>
169                                    "006999e6df389641adf1fa3a74801d9d  f\n"}},
170                                {OUT=>"f: OK\n"}],
171     ['bsd-segv', '--check', {IN=> {'z' => "MD5 ("}}, {EXIT=> 1},
172      {ERR=> "$prog: z: no properly formatted checksum lines found\n"}],
173
174     # Ensure that when there's a NUL byte among the checksum hex digits
175     # we detect the invalid formatting and don't even open the file.
176     # Up to coreutils-6.10, this would report:
177     #   h: FAILED
178     #   md5sum: WARNING: 1 of 1 computed checksum did NOT match
179     ['nul-in-cksum', '--check', {IN=> {'h'=>("\0"x32)."  h\n"}}, {EXIT=> 1},
180      {ERR=> "$prog: h: no properly formatted checksum lines found\n"}],
181    );
182
183# Insert the '--text' argument for each test.
184my $t;
185foreach $t (@Tests)
186  {
187    splice @$t, 1, 0, '--text' unless @$t[1] =~ /--check/;
188  }
189
190my $save_temps = $ENV{DEBUG};
191my $verbose = $ENV{VERBOSE};
192
193my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose);
194exit $fail;
195