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A `BSTR` is similar to a `zend_string`; it stores the length of the string just before the actual string, and thus the string may contain NUL bytes. However, `php_com_olestring_to_string()` is supposed to deal with arbitrary `OLECHAR*`s which may not be `BSTR`s, so we introduce `php_com_bstr_to_string()` and use it for the only case where we actually have to deal with `BSTR`s which may contain NUL bytes. Contrary to `php_com_olestring_to_string()` we return a `zend_string`, so we can save the re-allocation when converting to a `zval`. We also cater to `php_com_string_to_olestring()` not being binary safe, with basically the same fix we did for `php_com_olestring_to_string()`.
18 lines
455 B
PHP
18 lines
455 B
PHP
--TEST--
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Bug #63208 (BSTR to PHP string conversion not binary safe)
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--SKIPIF--
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<?php
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if (!extension_loaded('com_dotnet')) die('skip com_dotnet extension not available');
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?>
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--FILE--
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<?php
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$string = "\u{0905}b\0cd";
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$variant = new VARIANT($string, VT_ARRAY | VT_UI1, CP_UTF8); // Array of bytes
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$converted = (string) $variant;
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var_dump(bin2hex($string));
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var_dump(bin2hex($converted));
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?>
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--EXPECT--
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string(14) "e0a48562006364"
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string(14) "e0a48562006364"
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