Backport r1926954

apr_ldap: Reset apr_ldap_bind_interact_t each time in case the
callback misbehaves.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr-util/branches/1.7.x@1926955 13f79535-47bb-0310-9956-ffa450edef68

Author: minfrin

ldap/apr_ldap.c

@@ -2692,10 +2692,12 @@ APU_DECLARE_LDAP(apr_status_t) apr_ldap_bind(apr_pool_t *pool, apr_ldap_t *ldap,
         const char *dn;
         struct berval cred;
 
-        apr_ldap_bind_interact_t interaction = { 0 };
+        apr_ldap_bind_interact_t interaction;
 
         memset(err, 0, sizeof(*err));
 
+        memset(&interaction, 0, sizeof(apr_ldap_bind_interact_t));
+
         interaction.id = APR_LDAP_INTERACT_DN;
         interaction.prompt = "Distinguished Name";
 
@@ -2717,6 +2719,8 @@ APU_DECLARE_LDAP(apr_status_t) apr_ldap_bind(apr_pool_t *pool, apr_ldap_t *ldap,
             dn = "";
         }
 
+        memset(&interaction, 0, sizeof(apr_ldap_bind_interact_t));
+
         interaction.id = APR_LDAP_INTERACT_PASS;
         interaction.prompt = "Password";