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.. saslman:: sasl_usererr(3)
.. _sasl-reference-manpages-library-sasl_usererr:
===============================================================================
**sasl_usererr** - Remove information leak about accounts from sasl error codes
===============================================================================
Synopsis
========
.. code-block:: C
#include <sasl/sasl.h>
static int sasl_usererr(int saslerr)
Description
===========
.. c:function:: int sasl_usererr(int saslerr)
**sasl_usererr** is called to hide any potential data leaks to a client,
by preventing a client from discovering if a username exists or if
a user exists but the password is wrong.
:param saslerr: specifies the error number to convert.
This function should be called before calling :saslman:`sasl_errstring(3)`
or :saslman:`sasl_errdetail(3)` if information is being passed to a client.
Return Value
============
Returns a client-safe error code.
See Also
========
:rfc:`4422`,:saslman:`sasl(3)`, :saslman:`sasl_errdetail(3)`,
:saslman:`sasl_errors(3)`, :saslman:`sasl_errstring(3)`
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