/* * Copyright (c) 2006 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "mech_locl.h" /** * Release a gss_OID * * This function should never be used, this is since many of the * gss_OID objects passed around are stack and data objected that are * not free-able. * * The function tries to find internal OIDs that are static and avoid * trying to free them. * * One could guess that gss_name_to_oid() might return an allocated * OID. In this implementation it wont, so there is no need to call * gss_release_oid(). * * @param minor_status minor status code returned * @param oid oid to be released/freed. * * @returns GSS major status code * * @ingroup gssapi */ GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_release_oid(OM_uint32 *__nonnull minor_status, __nonnull gss_OID * __nullable oid) { struct _gss_mech_switch *m; gss_OID o = *oid; size_t n; *oid = GSS_C_NO_OID; if (minor_status != NULL) *minor_status = 0; if (o == GSS_C_NO_OID) return GSS_S_COMPLETE; /* * Program broken and tries to release an static oid, don't let * it crash us, search static tables forst. */ for (n = 0; _gss_ont_mech[n].oid; n++) if (_gss_ont_mech[n].oid == o) return GSS_S_COMPLETE; for (n = 0; _gss_ont_ma[n].oid; n++) if (_gss_ont_ma[n].oid == o) return GSS_S_COMPLETE; HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) { if (&m->gm_mech.gm_mech_oid == o) return GSS_S_COMPLETE; } /* ok, the program doesn't try to crash us, lets release it for real now */ if (o->elements != NULL) { free(o->elements); o->elements = NULL; } o->length = 0; free(o); return GSS_S_COMPLETE; }