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LDAP_ERROR(3)                                                                                  LDAP_ERROR(3)



NAME
       ldap_perror,  ld_errno,  ldap_result2error,  ldap_errlist, ldap_err2string - LDAP protocol error han-dling handling
       dling routines

LIBRARY
       OpenLDAP LDAP (libldap, -lldap)

SYNOPSIS
       #include <ldap.h>

       char *ldap_err2string( int err );

DESCRIPTION
       The ldap_err2string() routine provides short description of the various codes returned by routines in
       this library.  The returned string is a pointer to a static area that should not be modified.

       These  codes  are either negative, indicating an API error code; positive, indicating an LDAP result-Code resultCode
       Code other than 'success' (0), or - zero, indicating both successful use of  the  API  and  the  LDAP
       resultCode 'success' (0).

       The   code   associated   with   an   LDAP   session   is  accessible  using  ldap_get_option(3)  and
       ldap_set_option(3) with the LDAP_OPT_RESULT_CODE option (previously called LDAP_OPT_ERROR_NUMBER).


PROTOCOL RESULT CODES
       This section provides a partial list of protocol codes recognized by the library.  As LDAP is  exten-sible, extensible,
       sible,  additional values may be returned.  A complete listing of registered LDAP result codes can be
       obtained from the Internet Assigned Numbers Authority <http://www.iana.org>.



       LDAP_SUCCESS        The request was successful.

       LDAP_OPERATIONS_ERROR
                           An operations error occurred.

       LDAP_PROTOCOL_ERROR A protocol violation was detected.

       LDAP_TIMELIMIT_EXCEEDED
                           An LDAP time limit was exceeded.

       LDAP_SIZELIMIT_EXCEEDED
                           An LDAP size limit was exceeded.

       LDAP_COMPARE_FALSE  A compare operation returned false.

       LDAP_COMPARE_TRUE   A compare operation returned true.

       LDAP_STRONG_AUTH_NOT_SUPPORTED
                           The LDAP server does not support strong authentication.

       LDAP_STRONG_AUTH_REQUIRED
                           Strong authentication is required for the operation.

       LDAP_PARTIAL_RESULTS
                           Partial results only returned.

       LDAP_NO_SUCH_ATTRIBUTE
                           The attribute type specified does not exist in the entry.

       LDAP_UNDEFINED_TYPE The attribute type specified is invalid.

       LDAP_INAPPROPRIATE_MATCHING
                           Filter type not supported for the specified attribute.

       LDAP_CONSTRAINT_VIOLATION
                           An attribute value specified violates some constraint (e.g., a postalAddress  has
                           too many lines, or a line that is too long).

       LDAP_TYPE_OR_VALUE_EXISTS
                           An attribute type or attribute value specified already exists in the entry.

       LDAP_INVALID_SYNTAX An invalid attribute value was specified.

       LDAP_NO_SUCH_OBJECT The specified object does not exist in The Directory.

       LDAP_ALIAS_PROBLEM  An alias in The Directory points to a nonexistent entry.

       LDAP_INVALID_DN_SYNTAX
                           A syntactically invalid DN was specified.

       LDAP_IS_LEAF        The object specified is a leaf.

       LDAP_ALIAS_DEREF_PROBLEM
                           A problem was encountered when dereferencing an alias.

       LDAP_INAPPROPRIATE_AUTH
                           Inappropriate  authentication was specified (e.g., LDAP_AUTH_SIMPLE was specified
                           and the entry does not have a userPassword attribute).

       LDAP_INVALID_CREDENTIALS
                           Invalid credentials were presented (e.g., the wrong password).

       LDAP_INSUFFICIENT_ACCESS
                           The user has insufficient access to perform the operation.

       LDAP_BUSY           The DSA is busy.

       LDAP_UNAVAILABLE    The DSA is unavailable.

       LDAP_UNWILLING_TO_PERFORM
                           The DSA is unwilling to perform the operation.

       LDAP_LOOP_DETECT    A loop was detected.

       LDAP_NAMING_VIOLATION
                           A naming violation occurred.

       LDAP_OBJECT_CLASS_VIOLATION
                           An object class violation occurred (e.g., a "must" attribute was missing from the
                           entry).

       LDAP_NOT_ALLOWED_ON_NONLEAF
                           The operation is not allowed on a nonleaf object.

       LDAP_NOT_ALLOWED_ON_RDN
                           The operation is not allowed on an RDN.

       LDAP_ALREADY_EXISTS The entry already exists.

       LDAP_NO_OBJECT_CLASS_MODS
                           Object class modifications are not allowed.

       LDAP_OTHER          An unknown error occurred.


API ERROR CODES
       This  section  provides  a  complete  list  of API error codes recognized by the library.   Note that
       LDAP_SUCCESS indicates success of an API call in addition to representing  the  return  of  the  LDAP
       'success' resultCode.




       LDAP_SERVER_DOWN    The LDAP library can't contact the LDAP server.

       LDAP_LOCAL_ERROR    Some local error occurred.  This is usually a failed dynamic memory allocation.

       LDAP_ENCODING_ERROR An error was encountered encoding parameters to send to the LDAP server.

       LDAP_DECODING_ERROR An error was encountered decoding a result from the LDAP server.

       LDAP_TIMEOUT        A timelimit was exceeded while waiting for a result.

       LDAP_AUTH_UNKNOWN   The authentication method specified to ldap_bind() is not known.

       LDAP_FILTER_ERROR   An invalid filter was supplied to ldap_search() (e.g., unbalanced parentheses).

       LDAP_PARAM_ERROR    An ldap routine was called with a bad parameter.

       LDAP_NO_MEMORY      An  memory  allocation  (e.g.,  malloc(3) or other dynamic memory allocator) call
                           failed in an ldap library routine.

       LDAP_USER_CANCELED  Indicates the user cancelled the operation.

       LDAP_CONNECT_ERROR  Indicates a connection problem.

       LDAP_NOT_SUPPORTED  Indicates the routine was called in a manner not supported by the library.

       LDAP_CONTROL_NOT_FOUND
                           Indicates the control provided is unknown to the client library.

       LDAP_NO_RESULTS_RETURNED
                           Indicates no results returned.

       LDAP_MORE_RESULTS_TO_RETURN
                           Indicates more results could be returned.

       LDAP_CLIENT_LOOP    Indicates the library has detected a loop in its processing.

       LDAP_REFERRAL_LIMIT_EXCEEDED
                           Indicates the referral limit has been exceeded.


DEPRECATED
       Deprecated interfaces generally remain in the library.  The macro LDAP_DEPRECATED can be defined to a
       non-zero  value  (e.g., -DLDAP_DEPRECATED=1) when compiling program designed to use deprecated inter-faces. interfaces.
       faces.  It is recommended that developers writing new programs, or updating old programs,  avoid  use
       of  deprecated  interfaces.   Over time, it is expected that documentation (and, eventually, support)
       for deprecated interfaces to be eliminated.


SEE ALSO
       ldap(3),

ACKNOWLEDGEMENTS
       OpenLDAP Software is developed and maintained by  The  OpenLDAP  Project  <http://www.openldap.org/>.
       OpenLDAP Software is derived from University of Michigan LDAP 3.3 Release.



OpenLDAP 2.4.28                                  2011/11/24                                    LDAP_ERROR(3)