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-rw-r--r--src/lib/libcrypto/asn1/tasn_fre.c242
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diff --git a/src/lib/libcrypto/asn1/tasn_fre.c b/src/lib/libcrypto/asn1/tasn_fre.c
deleted file mode 100644
index 0e259a13ab..0000000000
--- a/src/lib/libcrypto/asn1/tasn_fre.c
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@@ -1,242 +0,0 @@
1/* $OpenBSD: tasn_fre.c,v 1.24 2024/12/11 11:22:06 tb Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59
60#include <stddef.h>
61#include <openssl/asn1.h>
62#include <openssl/asn1t.h>
63#include <openssl/objects.h>
64
65#include "asn1_local.h"
66
67static void asn1_item_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
68
69/* Free up an ASN1 structure */
70
71void
72ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it)
73{
74 asn1_item_free(&val, it);
75}
76LCRYPTO_ALIAS(ASN1_item_free);
77
78void
79ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
80{
81 asn1_item_free(pval, it);
82}
83LCRYPTO_ALIAS(ASN1_item_ex_free);
84
85static void
86asn1_item_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
87{
88 const ASN1_TEMPLATE *tt = NULL, *seqtt;
89 const ASN1_EXTERN_FUNCS *ef;
90 const ASN1_AUX *aux = it->funcs;
91 ASN1_aux_cb *asn1_cb = NULL;
92 int i;
93
94 if (pval == NULL)
95 return;
96 /* For primitive types *pval may be something other than C pointer. */
97 if (it->itype != ASN1_ITYPE_PRIMITIVE && *pval == NULL)
98 return;
99
100 if (aux != NULL && aux->asn1_cb != NULL)
101 asn1_cb = aux->asn1_cb;
102
103 switch (it->itype) {
104 case ASN1_ITYPE_PRIMITIVE:
105 if (it->templates)
106 ASN1_template_free(pval, it->templates);
107 else
108 ASN1_primitive_free(pval, it);
109 break;
110
111 case ASN1_ITYPE_MSTRING:
112 ASN1_primitive_free(pval, it);
113 break;
114
115 case ASN1_ITYPE_CHOICE:
116 if (asn1_cb) {
117 i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL);
118 if (i == 2)
119 return;
120 }
121 i = asn1_get_choice_selector(pval, it);
122 if ((i >= 0) && (i < it->tcount)) {
123 ASN1_VALUE **pchval;
124 tt = it->templates + i;
125 pchval = asn1_get_field_ptr(pval, tt);
126 ASN1_template_free(pchval, tt);
127 }
128 if (asn1_cb)
129 asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL);
130 free(*pval);
131 *pval = NULL;
132 break;
133
134 case ASN1_ITYPE_EXTERN:
135 ef = it->funcs;
136 if (ef && ef->asn1_ex_free)
137 ef->asn1_ex_free(pval, it);
138 break;
139
140 case ASN1_ITYPE_NDEF_SEQUENCE:
141 case ASN1_ITYPE_SEQUENCE:
142 if (asn1_do_lock(pval, -1, it) > 0)
143 return;
144 if (asn1_cb) {
145 i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL);
146 if (i == 2)
147 return;
148 }
149 asn1_enc_cleanup(pval, it);
150 /* If we free up as normal we will invalidate any
151 * ANY DEFINED BY field and we wont be able to
152 * determine the type of the field it defines. So
153 * free up in reverse order.
154 */
155 for (i = it->tcount - 1; i >= 0; i--) {
156 ASN1_VALUE **pseqval;
157 seqtt = asn1_do_adb(pval, &it->templates[i], 0);
158 if (!seqtt)
159 continue;
160 pseqval = asn1_get_field_ptr(pval, seqtt);
161 ASN1_template_free(pseqval, seqtt);
162 }
163 if (asn1_cb)
164 asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL);
165 free(*pval);
166 *pval = NULL;
167 break;
168 }
169}
170
171void
172ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
173{
174 int i;
175 if (tt->flags & ASN1_TFLG_SK_MASK) {
176 STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval;
177 for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
178 ASN1_VALUE *vtmp;
179 vtmp = sk_ASN1_VALUE_value(sk, i);
180 asn1_item_free(&vtmp, tt->item);
181 }
182 sk_ASN1_VALUE_free(sk);
183 *pval = NULL;
184 } else
185 asn1_item_free(pval, tt->item);
186}
187
188void
189ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
190{
191 int utype;
192
193 if (it != NULL && it->funcs != NULL) {
194 const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
195
196 pf->prim_free(pval, it);
197 return;
198 }
199
200 /* Special case: if 'it' is NULL free contents of ASN1_TYPE */
201 if (!it) {
202 ASN1_TYPE *typ = (ASN1_TYPE *)*pval;
203 utype = typ->type;
204 pval = &typ->value.asn1_value;
205 if (!*pval)
206 return;
207 } else if (it->itype == ASN1_ITYPE_MSTRING) {
208 utype = -1;
209 if (!*pval)
210 return;
211 } else {
212 utype = it->utype;
213 if ((utype != V_ASN1_BOOLEAN) && !*pval)
214 return;
215 }
216
217 switch (utype) {
218 case V_ASN1_OBJECT:
219 ASN1_OBJECT_free((ASN1_OBJECT *)*pval);
220 break;
221
222 case V_ASN1_BOOLEAN:
223 if (it)
224 *(ASN1_BOOLEAN *)pval = it->size;
225 else
226 *(ASN1_BOOLEAN *)pval = -1;
227 return;
228
229 case V_ASN1_NULL:
230 break;
231
232 case V_ASN1_ANY:
233 ASN1_primitive_free(pval, NULL);
234 free(*pval);
235 break;
236
237 default:
238 ASN1_STRING_free((ASN1_STRING *)*pval);
239 break;
240 }
241 *pval = NULL;
242}
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