xref: /freebsd/crypto/krb5/src/lib/gssapi/mechglue/g_rel_name.c (revision f1c4c3daccbaf3820f0e2224de53df12fc952fcc)
1 /* #pragma ident	"@(#)g_rel_name.c	1.11	04/02/23 SMI" */
2 
3 /*
4  * Copyright 1996 by Sun Microsystems, Inc.
5  *
6  * Permission to use, copy, modify, distribute, and sell this software
7  * and its documentation for any purpose is hereby granted without fee,
8  * provided that the above copyright notice appears in all copies and
9  * that both that copyright notice and this permission notice appear in
10  * supporting documentation, and that the name of Sun Microsystems not be used
11  * in advertising or publicity pertaining to distribution of the software
12  * without specific, written prior permission. Sun Microsystems makes no
13  * representations about the suitability of this software for any
14  * purpose.  It is provided "as is" without express or implied warranty.
15  *
16  * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18  * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
20  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
21  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22  * PERFORMANCE OF THIS SOFTWARE.
23  */
24 
25 /*
26  *  glue routine for gss_release_name
27  */
28 
29 #include "mglueP.h"
30 #include <stdio.h>
31 #ifdef HAVE_STDLIB_H
32 #include <stdlib.h>
33 #endif
34 #include <string.h>
35 
36 OM_uint32 KRB5_CALLCONV
gss_release_name(OM_uint32 * minor_status,gss_name_t * input_name)37 gss_release_name(OM_uint32 *minor_status, gss_name_t *input_name)
38 {
39     gss_union_name_t	union_name;
40 
41     if (minor_status == NULL)
42 	return (GSS_S_CALL_INACCESSIBLE_WRITE);
43     *minor_status = 0;
44 
45     /* if input_name is NULL, return error */
46     if (input_name == NULL)
47 	return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME);
48 
49     if (*input_name == GSS_C_NO_NAME)
50 	return GSS_S_COMPLETE;
51 
52     /*
53      * free up the space for the external_name and then
54      * free the union_name descriptor
55      */
56 
57     union_name = (gss_union_name_t) *input_name;
58     if (GSSINT_CHK_LOOP(union_name))
59 	return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME);
60     *input_name = 0;
61     *minor_status = 0;
62 
63     if (union_name->name_type != GSS_C_NO_OID)
64 	gss_release_oid(minor_status, &union_name->name_type);
65 
66     if (union_name->external_name != GSS_C_NO_BUFFER) {
67 	if (union_name->external_name->value != NULL)
68 	    gssalloc_free(union_name->external_name->value);
69 	free(union_name->external_name);
70     }
71 
72     if (union_name->mech_type) {
73 	gssint_release_internal_name(minor_status, union_name->mech_type,
74 				     &union_name->mech_name);
75 	gss_release_oid(minor_status, &union_name->mech_type);
76     }
77 
78     free(union_name);
79 
80     return(GSS_S_COMPLETE);
81 }
82