1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /*
3 * Copyright 1993 by OpenVision Technologies, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software
6 * and its documentation for any purpose is hereby granted without fee,
7 * provided that the above copyright notice appears in all copies and
8 * that both that copyright notice and this permission notice appear in
9 * supporting documentation, and that the name of OpenVision not be used
10 * in advertising or publicity pertaining to distribution of the software
11 * without specific, written prior permission. OpenVision makes no
12 * representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied warranty.
14 *
15 * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
16 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
17 * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
18 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
19 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
20 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
21 * PERFORMANCE OF THIS SOFTWARE.
22 */
23
24 #include "gssapiP_krb5.h"
25
26 /*
27 * $Id$
28 */
29
30 OM_uint32 KRB5_CALLCONV
krb5_gss_delete_sec_context(minor_status,context_handle,output_token)31 krb5_gss_delete_sec_context(minor_status, context_handle, output_token)
32 OM_uint32 *minor_status;
33 gss_ctx_id_t *context_handle;
34 gss_buffer_t output_token;
35 {
36 krb5_context context;
37 krb5_gss_ctx_id_rec *ctx;
38
39 if (output_token) {
40 output_token->length = 0;
41 output_token->value = NULL;
42 }
43
44 /*SUPPRESS 29*/
45 if (*context_handle == GSS_C_NO_CONTEXT) {
46 *minor_status = 0;
47 return(GSS_S_COMPLETE);
48 }
49
50 ctx = (krb5_gss_ctx_id_t) *context_handle;
51 context = ctx->k5_context;
52
53 /* free all the context state */
54
55 if (ctx->seqstate)
56 g_seqstate_free(ctx->seqstate);
57
58 if (ctx->enc)
59 krb5_k_free_key(context, ctx->enc);
60
61 if (ctx->seq)
62 krb5_k_free_key(context, ctx->seq);
63
64 if (ctx->here)
65 kg_release_name(context, &ctx->here);
66 if (ctx->there)
67 kg_release_name(context, &ctx->there);
68 if (ctx->subkey)
69 krb5_k_free_key(context, ctx->subkey);
70 if (ctx->acceptor_subkey)
71 krb5_k_free_key(context, ctx->acceptor_subkey);
72
73 if (ctx->auth_context) {
74 if (ctx->cred_rcache)
75 (void)krb5_auth_con_setrcache(context, ctx->auth_context, NULL);
76
77 krb5_auth_con_free(context, ctx->auth_context);
78 }
79
80 if (ctx->mech_used)
81 krb5_gss_release_oid(minor_status, &ctx->mech_used);
82
83 if (ctx->authdata)
84 krb5_free_authdata(context, ctx->authdata);
85
86 if (ctx->k5_context)
87 krb5_free_context(ctx->k5_context);
88
89 /* Zero out context */
90 zap(ctx, sizeof(*ctx));
91 xfree(ctx);
92
93 /* zero the handle itself */
94
95 *context_handle = GSS_C_NO_CONTEXT;
96
97 *minor_status = 0;
98 return(GSS_S_COMPLETE);
99 }
100