Line data Source code
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 "gsskrb5_locl.h"
35 :
36 : OM_uint32 GSSAPI_CALLCONV
37 62762 : _gsskrb5_delete_sec_context(OM_uint32 * minor_status,
38 : gss_ctx_id_t * context_handle,
39 : gss_buffer_t output_token)
40 : {
41 : krb5_context context;
42 : gsskrb5_ctx ctx;
43 :
44 62762 : GSSAPI_KRB5_INIT (&context);
45 :
46 62762 : *minor_status = 0;
47 :
48 62762 : if (output_token) {
49 0 : output_token->length = 0;
50 0 : output_token->value = NULL;
51 : }
52 :
53 62762 : if (*context_handle == GSS_C_NO_CONTEXT)
54 0 : return GSS_S_COMPLETE;
55 :
56 62762 : ctx = (gsskrb5_ctx) *context_handle;
57 62762 : *context_handle = GSS_C_NO_CONTEXT;
58 :
59 : HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
60 :
61 62762 : krb5_auth_con_free (context, ctx->auth_context);
62 62762 : krb5_auth_con_free (context, ctx->deleg_auth_context);
63 62762 : if (ctx->kcred)
64 444 : krb5_free_creds(context, ctx->kcred);
65 62762 : if(ctx->source)
66 62733 : krb5_free_principal (context, ctx->source);
67 62762 : if(ctx->target)
68 62733 : krb5_free_principal (context, ctx->target);
69 62762 : if (ctx->ticket)
70 44464 : krb5_free_ticket (context, ctx->ticket);
71 62762 : if(ctx->order)
72 62272 : _gssapi_msg_order_destroy(&ctx->order);
73 62762 : if (ctx->service_keyblock)
74 44464 : krb5_free_keyblock (context, ctx->service_keyblock);
75 62762 : krb5_data_free(&ctx->fwd_data);
76 62762 : if (ctx->crypto)
77 62272 : krb5_crypto_destroy(context, ctx->crypto);
78 62762 : if (ctx->ccache && (ctx->more_flags & CLOSE_CCACHE))
79 0 : krb5_cc_close(context, ctx->ccache);
80 :
81 : HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
82 : HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
83 62762 : memset(ctx, 0, sizeof(*ctx));
84 62762 : free (ctx);
85 62762 : return GSS_S_COMPLETE;
86 : }
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