const char *url, const char *basedn, int scope, char **attrs,
const char *filter, const char *bindpw, const char **binddn, const char ***retvals);
+/**
+ * Searches for a specified user object in an LDAP directory
+ * @param r The request record
+ * @param ldc The LDAP connection being used.
+ * @param url The URL of the LDAP connection - used for deciding which cache to use.
+ * @param basedn The Base DN to search for the user in.
+ * @param scope LDAP scope of the search.
+ * @param attrs LDAP attributes to return in search.
+ * @param filter The user to search for in the form of an LDAP filter. This filter must return
+ * exactly one user for the check to be successful.
+ * @param binddn The DN of the user will be returned in this variable.
+ * @param retvals The values corresponding to the attributes requested in the attrs array.
+ * @tip The filter supplied will be searched for. If a single entry is returned, an attempt
+ * is made to bind as that user. If this bind succeeds, the user is not validated.
+ * @deffunc int util_ldap_cache_getuserdn(request_rec *r, util_ldap_connection_t *ldc,
+ * char *url, const char *basedn, int scope, char **attrs,
+ * char *filter, char **binddn, char ***retvals)
+ */
+LDAP_DECLARE(int) util_ldap_cache_getuserdn(request_rec *r, util_ldap_connection_t *ldc,
+ const char *url, const char *basedn, int scope, char **attrs,
+ const char *filter, const char **binddn, const char ***retvals);
+
/**
* Checks if SSL support is available in mod_ldap
* @deffunc int util_ldap_ssl_supported(request_rec *r)