40f5048aa7
This code (written by yours truly) was very broken on input strings long enough to require processing in multiple chunks. Fuzzing revealed this very quickly; after initial rework, further fuzzing also found a couple of very obscure bugs in corner cases.
52 lines
1.8 KiB
PHP
52 lines
1.8 KiB
PHP
--TEST--
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Temporary test of mbstring's UUEncode 'encoding'
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--EXTENSIONS--
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mbstring
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--FILE--
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<?php
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srand(1000); // Make results consistent
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/* Using mbstring to convert strings from UUEncode has already been deprecated
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* So this test should be removed when the UUEncode 'encoding' is */
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error_reporting(E_ALL & ~E_DEPRECATED);
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function testConversion($uuencode, $raw) {
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$converted = mb_convert_encoding($uuencode, '8bit', 'UUENCODE');
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if ($converted !== $raw)
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die('Expected "' . $uuencode . '" to convert to ' . bin2hex($raw) . '; actually got ' . bin2hex($converted));
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$converted = mb_convert_encoding($raw, 'UUENCODE', '8bit');
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if ($converted !== $uuencode)
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die('Expected ' . bin2hex($raw) . ' to convert to "' . $uuencode . '"; actually got "' . $converted . '"');
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}
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testConversion('', '');
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/* mbstring's uuencode requires the user to strip off the terminating "`\nend\n" */
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testConversion("begin 0644 filename\n#0V%T\n", 'Cat');
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testConversion("begin 0644 filename\n::'1T<#HO+W=W=RYW:6MI<&5D:6\$N;W)G#0H`\n", "http://www.wikipedia.org\r\n");
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testConversion("begin 0644 filename\n#`0(#\n", "\x01\x02\x03");
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testConversion("begin 0644 filename\n$`0(#\"@``\n", "\x01\x02\x03\n");
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function testRoundTrip($data) {
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$encoded = mb_convert_encoding($data, 'UUENCODE', '8bit');
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$decoded = mb_convert_encoding($encoded, '8bit', 'UUENCODE');
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if ($data !== $decoded)
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die("Round-trip failed! Expected " . bin2hex($data) . " to round-trip; actually got " . bin2hex($decoded));
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}
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for ($iterations = 0; $iterations < 500; $iterations++) {
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$strlen = rand(1, 300);
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$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$randstring = '';
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for ($i = 0; $i < $strlen; $i++) {
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$randstring .= $characters[rand(0, strlen($characters) - 1)];
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}
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testRoundTrip($randstring);
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}
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echo "Done!\n";
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?>
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--EXPECTF--
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Done!
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