1 /*
2 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5 /*
6 * Copyright 2008 by the Massachusetts Institute of Technology.
7 * All Rights Reserved.
8 *
9 * Export of this software from the United States of America may
10 * require a specific license from the United States Government.
11 * It is the responsibility of any person or organization contemplating
12 * export to obtain such a license before exporting.
13 *
14 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
15 * distribute this software and its documentation for any purpose and
16 * without fee is hereby granted, provided that the above copyright
17 * notice appear in all copies and that both that copyright notice and
18 * this permission notice appear in supporting documentation, and that
19 * the name of M.I.T. not be used in advertising or publicity pertaining
20 * to distribution of the software without specific, written prior
21 * permission. Furthermore if you modify this software you must label
22 * your software as modified software and not distribute it in such a
23 * fashion that it might be confused with the original M.I.T. software.
24 * M.I.T. makes no representations about the suitability of
25 * this software for any purpose. It is provided "as is" without express
26 * or implied warranty.
27 *
28 */
29
30 #include "gssapiP_generic.h"
31 #include "mglueP.h"
32 #include <stdio.h>
33 #ifdef HAVE_STDLIB_H
34 #include <stdlib.h>
35 #endif
36 #include <string.h>
37 #include <errno.h>
38
generic_gss_create_empty_buffer_set(OM_uint32 * minor_status,gss_buffer_set_t * buffer_set)39 OM_uint32 generic_gss_create_empty_buffer_set
40 (OM_uint32 * minor_status,
41 gss_buffer_set_t *buffer_set)
42 {
43 gss_buffer_set_t set;
44
45 set = (gss_buffer_set_desc *) malloc(sizeof(*set));
46 if (set == GSS_C_NO_BUFFER_SET) {
47 *minor_status = ENOMEM;
48 return GSS_S_FAILURE;
49 }
50
51 set->count = 0;
52 set->elements = NULL;
53
54 *buffer_set = set;
55
56 *minor_status = 0;
57 return GSS_S_COMPLETE;
58 }
59
generic_gss_add_buffer_set_member(OM_uint32 * minor_status,const gss_buffer_t member_buffer,gss_buffer_set_t * buffer_set)60 OM_uint32 generic_gss_add_buffer_set_member
61 (OM_uint32 * minor_status,
62 const gss_buffer_t member_buffer,
63 gss_buffer_set_t *buffer_set)
64 {
65 gss_buffer_set_t set;
66 gss_buffer_t p;
67 OM_uint32 ret;
68
69 if (*buffer_set == GSS_C_NO_BUFFER_SET) {
70 ret = generic_gss_create_empty_buffer_set(minor_status,
71 buffer_set);
72 if (ret) {
73 return ret;
74 }
75 }
76
77 set = *buffer_set;
78 set->elements = (gss_buffer_desc *)realloc(set->elements,
79 (set->count + 1) *
80 sizeof(gss_buffer_desc));
81 if (set->elements == NULL) {
82 free(set); /* SUNW17PACresync - MIT17 bug */
83 *minor_status = ENOMEM;
84 return GSS_S_FAILURE;
85 }
86
87 p = &set->elements[set->count];
88
89 p->value = malloc(member_buffer->length);
90 if (p->value == NULL) {
91 free(set->elements); /* SUNW17PACresync - MIT17 bug */
92 free(set); /* SUNW17PACresync - MIT17 bug */
93 *minor_status = ENOMEM;
94 return GSS_S_FAILURE;
95 }
96 (void) memcpy(p->value, member_buffer->value, member_buffer->length);
97 p->length = member_buffer->length;
98
99 set->count++;
100
101 *minor_status = 0;
102 return GSS_S_COMPLETE;
103 }
104
generic_gss_release_buffer_set(OM_uint32 * minor_status,gss_buffer_set_t * buffer_set)105 OM_uint32 generic_gss_release_buffer_set
106 (OM_uint32 * minor_status,
107 gss_buffer_set_t *buffer_set)
108 {
109 int i;
110 OM_uint32 minor;
111
112 *minor_status = 0;
113
114 if (*buffer_set == GSS_C_NO_BUFFER_SET) {
115 return GSS_S_COMPLETE;
116 }
117
118 for (i = 0; i < (*buffer_set)->count; i++) {
119 (void) generic_gss_release_buffer(&minor, &((*buffer_set)->elements[i]));
120 }
121
122 if ((*buffer_set)->elements != NULL) {
123 free((*buffer_set)->elements);
124 (*buffer_set)->elements = NULL;
125 }
126
127 (*buffer_set)->count = 0;
128
129 free(*buffer_set);
130 *buffer_set = GSS_C_NO_BUFFER_SET;
131
132 return GSS_S_COMPLETE;
133 }
134
135