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50 lines
1002 B
PHP
50 lines
1002 B
PHP
--TEST--
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imagecreatefromwbmp with invalid wbmp
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--EXTENSIONS--
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gd
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--SKIPIF--
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<?php
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if (!GD_BUNDLED) die("skip requires bundled GD library\n");
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?>
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--FILE--
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<?php
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$filename = __DIR__ . '/_tmp.wbmp';
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$fp = fopen($filename,"wb");
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if (!$fp) {
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exit("Failed to create <$filename>");
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}
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//write header
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$c = 0;
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fputs($fp, chr($c), 1);
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fputs($fp, $c, 1);
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//write width = 2^32 / 4 + 1
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$c = 0x84;
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fputs($fp, chr($c), 1);
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$c = 0x80;
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fputs($fp, chr($c), 1);
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fputs($fp, chr($c), 1);
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fputs($fp, chr($c), 1);
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$c = 0x01;
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fputs($fp, chr($c), 1);
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/*write height = 4*/
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$c = 0x04;
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fputs($fp, chr($c), 1);
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/*write some data to cause overflow*/
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for ($i=0; $i<10000; $i++) {
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fwrite($fp, chr($c), 1);
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}
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fclose($fp);
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$im = imagecreatefromwbmp($filename);
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unlink($filename);
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?>
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--EXPECTF--
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Warning: imagecreatefromwbmp(): Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
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in %s on line %d
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Warning: imagecreatefromwbmp(): "%s" is not a valid WBMP file in %s on line %d
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