| Klemen Zagar (JIRA) 2007-07-25, 1:11 pm |
| ASN.1 decoder does not use UTF-8 encoding for strings
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Key: DIRSERVER-1009
URL: https://issues.apache.org/jira/browse/DIRSERVER-1009
Project: Directory ApacheDS
Issue Type: Bug
Components: asn1
Affects Versions: 1.5.0
Environment: JDK 1.6, WinXP
Reporter: Klemen Zagar
Currently, LDAP ASN.1 decoder transforms byte[] to String via calls such as:
String any = new String( tlv.getValue().getData() );
(source: /ldap/src/main/java/org/apache/directory/shared/ldap/codec/actions/StoreAnyAction.java, line 74)
This uses some default encoding, though according to LDAP RFC, UTF-8 should always be used (http://www.rfc-editor.org/rfc/rfc2251.txt, section 4.1.2).
I recommend that the following code be used for converting byte[] to String:
// static variable containing the UTF8 encoder
private static final Charset UTF8 = Charset.forName("UTF8");
// wherever byte[]->string conversion is needed
String any = UTF8.decode(tlv.getValue().getData()).toString();
From user's perspective, the problem is that non-ASCII characters in search filters are messed up, and search doesn't return any results.
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