1/* 2 * Copyright (c) 2006 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include "mech_locl.h" 35 36/** 37 * Release a gss_OID 38 * 39 * This function should never be used, this is since many of the 40 * gss_OID objects passed around are stack and data objected that are 41 * not free-able. 42 * 43 * The function tries to find internal OIDs that are static and avoid 44 * trying to free them. 45 * 46 * One could guess that gss_name_to_oid() might return an allocated 47 * OID. In this implementation it wont, so there is no need to call 48 * gss_release_oid(). 49 * 50 * @param minor_status minor status code returned 51 * @param oid oid to be released/freed. 52 * 53 * @returns GSS major status code 54 * 55 * @ingroup gssapi 56 */ 57 58GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 59gss_release_oid(OM_uint32 *minor_status, gss_OID *oid) 60{ 61 struct _gss_mech_switch *m; 62 gss_OID o = *oid; 63 size_t n; 64 65 *oid = GSS_C_NO_OID; 66 67 if (minor_status != NULL) 68 *minor_status = 0; 69 70 if (o == GSS_C_NO_OID) 71 return GSS_S_COMPLETE; 72 73 /* 74 * Program broken and tries to release an static oid, don't let 75 * it crash us, search static tables forst. 76 */ 77 for (n = 0; _gss_ont_mech[n].oid; n++) 78 if (_gss_ont_mech[n].oid == o) 79 return GSS_S_COMPLETE; 80 for (n = 0; _gss_ont_ma[n].oid; n++) 81 if (_gss_ont_ma[n].oid == o) 82 return GSS_S_COMPLETE; 83 84 HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) { 85 if (&m->gm_mech.gm_mech_oid == o) 86 return GSS_S_COMPLETE; 87 } 88 89 /* ok, the program doesn't try to crash us, lets release it for real now */ 90 91 if (o->elements != NULL) { 92 free(o->elements); 93 o->elements = NULL; 94 } 95 o->length = 0; 96 free(o); 97 98 return GSS_S_COMPLETE; 99} 100