1/* 2 * Copyright (c) 1997 - 2003 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 "ntlm.h" 35 36OM_uint32 _gss_ntlm_delete_sec_context 37 (OM_uint32 * minor_status, 38 gss_ctx_id_t * context_handle, 39 gss_buffer_t output_token 40 ) 41{ 42 if (context_handle) { 43 ntlm_ctx ctx = (ntlm_ctx)*context_handle; 44 gss_cred_id_t cred = (gss_cred_id_t)ctx->client; 45 size_t i; 46 47 *context_handle = GSS_C_NO_CONTEXT; 48 49 if (ctx->targetinfo.data != NULL) 50 free(ctx->targetinfo.data); 51 52 if (ctx->ti.servername) 53 heim_ntlm_free_targetinfo(&ctx->ti); 54 55 for (i = 0; i < ctx->num_backends; i++) { 56 if (ctx->backends[i].ctx == NULL) 57 continue; 58 ctx->backends[i].interface->nsi_destroy(minor_status, 59 ctx->backends[i].ctx); 60 } 61 if (ctx->backends) 62 free(ctx->backends); 63 64 if (ctx->srcname) 65 _gss_ntlm_release_name(NULL, &ctx->srcname); 66 if (ctx->targetname) 67 _gss_ntlm_release_name(NULL, &ctx->targetname); 68 if (ctx->clientsuppliedtargetname) 69 free(ctx->clientsuppliedtargetname); 70 71 72 _gss_ntlm_destroy_crypto(ctx); 73 74 krb5_data_free(&ctx->sessionkey); 75 krb5_data_free(&ctx->type1); 76 krb5_data_free(&ctx->type2); 77 krb5_data_free(&ctx->type3); 78 gss_release_buffer(minor_status, &ctx->pac); 79 80 _gss_ntlm_release_cred(NULL, &cred); 81 82 memset(ctx, 0, sizeof(*ctx)); 83 free(ctx); 84 } 85 if (output_token) { 86 output_token->length = 0; 87 output_token->value = NULL; 88 } 89 90 *minor_status = 0; 91 return GSS_S_COMPLETE; 92} 93