VirtualBox

source: vbox/trunk/src/libs/openssl-3.1.3/crypto/x509/x509_att.c@ 102334

最後變更 在這個檔案從102334是 101211,由 vboxsync 提交於 17 月 前

openssl-3.1.3: Applied and adjusted our OpenSSL changes to 3.1.2. bugref:10527
檔案大小: 10.0 KB
行 
1/*
2 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/safestack.h>
13#include <openssl/asn1.h>
14#include <openssl/objects.h>
15#include <openssl/evp.h>
16#include <openssl/x509.h>
17#include <openssl/x509v3.h>
18#include "crypto/x509.h"
19#include "x509_local.h"
20
21int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
22{
23 return sk_X509_ATTRIBUTE_num(x);
24}
25
26int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
27 int lastpos)
28{
29 const ASN1_OBJECT *obj = OBJ_nid2obj(nid);
30
31 if (obj == NULL)
32 return -2;
33 return X509at_get_attr_by_OBJ(x, obj, lastpos);
34}
35
36int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
37 const ASN1_OBJECT *obj, int lastpos)
38{
39 int n;
40 X509_ATTRIBUTE *ex;
41
42 if (sk == NULL)
43 return -1;
44 lastpos++;
45 if (lastpos < 0)
46 lastpos = 0;
47 n = sk_X509_ATTRIBUTE_num(sk);
48 for (; lastpos < n; lastpos++) {
49 ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
50 if (OBJ_cmp(ex->object, obj) == 0)
51 return lastpos;
52 }
53 return -1;
54}
55
56X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)
57{
58 if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
59 return NULL;
60
61 return sk_X509_ATTRIBUTE_value(x, loc);
62}
63
64X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
65{
66 X509_ATTRIBUTE *ret;
67
68 if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
69 return NULL;
70 ret = sk_X509_ATTRIBUTE_delete(x, loc);
71 return ret;
72}
73
74STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
75 X509_ATTRIBUTE *attr)
76{
77 X509_ATTRIBUTE *new_attr = NULL;
78 STACK_OF(X509_ATTRIBUTE) *sk = NULL;
79
80 if (x == NULL) {
81 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
82 return NULL;
83 }
84
85 if (*x != NULL && X509at_get_attr_by_OBJ(*x, attr->object, -1) != -1) {
86 ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
87 return NULL;
88 }
89
90 if (*x == NULL) {
91 if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL)
92 goto err;
93 } else {
94 sk = *x;
95 }
96
97 if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
98 goto err2;
99 if (!sk_X509_ATTRIBUTE_push(sk, new_attr))
100 goto err;
101 if (*x == NULL)
102 *x = sk;
103 return sk;
104 err:
105 ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
106 err2:
107 X509_ATTRIBUTE_free(new_attr);
108 if (*x == NULL)
109 sk_X509_ATTRIBUTE_free(sk);
110 return NULL;
111}
112
113STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
114 **x, const ASN1_OBJECT *obj,
115 int type,
116 const unsigned char *bytes,
117 int len)
118{
119 X509_ATTRIBUTE *attr;
120 STACK_OF(X509_ATTRIBUTE) *ret;
121 attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
122 if (!attr)
123 return 0;
124 ret = X509at_add1_attr(x, attr);
125 X509_ATTRIBUTE_free(attr);
126 return ret;
127}
128
129STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
130 **x, int nid, int type,
131 const unsigned char *bytes,
132 int len)
133{
134 X509_ATTRIBUTE *attr;
135 STACK_OF(X509_ATTRIBUTE) *ret;
136 attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
137 if (!attr)
138 return 0;
139 ret = X509at_add1_attr(x, attr);
140 X509_ATTRIBUTE_free(attr);
141 return ret;
142}
143
144STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
145 **x, const char *attrname,
146 int type,
147 const unsigned char *bytes,
148 int len)
149{
150 X509_ATTRIBUTE *attr;
151 STACK_OF(X509_ATTRIBUTE) *ret;
152 attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
153 if (!attr)
154 return 0;
155 ret = X509at_add1_attr(x, attr);
156 X509_ATTRIBUTE_free(attr);
157 return ret;
158}
159
160void *X509at_get0_data_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *x,
161 const ASN1_OBJECT *obj, int lastpos, int type)
162{
163 int i;
164 X509_ATTRIBUTE *at;
165 i = X509at_get_attr_by_OBJ(x, obj, lastpos);
166 if (i == -1)
167 return NULL;
168 if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
169 return NULL;
170 at = X509at_get_attr(x, i);
171 if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
172 return NULL;
173 return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
174}
175
176STACK_OF(X509_ATTRIBUTE) *ossl_x509at_dup(const STACK_OF(X509_ATTRIBUTE) *x)
177{
178 int i, n;
179 STACK_OF(X509_ATTRIBUTE) *sk = NULL;
180
181 n = sk_X509_ATTRIBUTE_num(x);
182 for (i = 0; i < n; ++i) {
183 X509_ATTRIBUTE *attr = sk_X509_ATTRIBUTE_value(x, i);
184
185 if (X509at_add1_attr(&sk, attr) == NULL) {
186 sk_X509_ATTRIBUTE_pop_free(sk, X509_ATTRIBUTE_free);
187 return NULL;
188 }
189 }
190 return sk;
191}
192
193X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
194 int atrtype, const void *data,
195 int len)
196{
197 ASN1_OBJECT *obj;
198 X509_ATTRIBUTE *ret;
199
200 obj = OBJ_nid2obj(nid);
201 if (obj == NULL) {
202 ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID);
203 return NULL;
204 }
205 ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
206 if (ret == NULL)
207 ASN1_OBJECT_free(obj);
208 return ret;
209}
210
211X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
212 const ASN1_OBJECT *obj,
213 int atrtype, const void *data,
214 int len)
215{
216 X509_ATTRIBUTE *ret;
217
218 if ((attr == NULL) || (*attr == NULL)) {
219 if ((ret = X509_ATTRIBUTE_new()) == NULL) {
220 ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
221 return NULL;
222 }
223 } else
224 ret = *attr;
225
226 if (!X509_ATTRIBUTE_set1_object(ret, obj))
227 goto err;
228 if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
229 goto err;
230
231 if ((attr != NULL) && (*attr == NULL))
232 *attr = ret;
233 return ret;
234 err:
235 if ((attr == NULL) || (ret != *attr))
236 X509_ATTRIBUTE_free(ret);
237 return NULL;
238}
239
240X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
241 const char *atrname, int type,
242 const unsigned char *bytes,
243 int len)
244{
245 ASN1_OBJECT *obj;
246 X509_ATTRIBUTE *nattr;
247
248 obj = OBJ_txt2obj(atrname, 0);
249 if (obj == NULL) {
250 ERR_raise_data(ERR_LIB_X509, X509_R_INVALID_FIELD_NAME,
251 "name=%s", atrname);
252 return NULL;
253 }
254 nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
255 ASN1_OBJECT_free(obj);
256 return nattr;
257}
258
259int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
260{
261 if ((attr == NULL) || (obj == NULL))
262 return 0;
263 ASN1_OBJECT_free(attr->object);
264 attr->object = OBJ_dup(obj);
265 return attr->object != NULL;
266}
267
268int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
269 const void *data, int len)
270{
271 ASN1_TYPE *ttmp = NULL;
272 ASN1_STRING *stmp = NULL;
273 int atype = 0;
274 if (!attr)
275 return 0;
276 if (attrtype & MBSTRING_FLAG) {
277 stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
278 OBJ_obj2nid(attr->object));
279 if (!stmp) {
280 ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
281 return 0;
282 }
283 atype = stmp->type;
284 } else if (len != -1) {
285 if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL)
286 goto err;
287 if (!ASN1_STRING_set(stmp, data, len))
288 goto err;
289 atype = attrtype;
290 }
291 /*
292 * This is a bit naughty because the attribute should really have at
293 * least one value but some types use and zero length SET and require
294 * this.
295 */
296 if (attrtype == 0) {
297 ASN1_STRING_free(stmp);
298 return 1;
299 }
300 if ((ttmp = ASN1_TYPE_new()) == NULL)
301 goto err;
302 if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
303 if (!ASN1_TYPE_set1(ttmp, attrtype, data))
304 goto err;
305 } else {
306 ASN1_TYPE_set(ttmp, atype, stmp);
307 stmp = NULL;
308 }
309 if (!sk_ASN1_TYPE_push(attr->set, ttmp))
310 goto err;
311 return 1;
312 err:
313 ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
314 ASN1_TYPE_free(ttmp);
315 ASN1_STRING_free(stmp);
316 return 0;
317}
318
319int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
320{
321 if (attr == NULL)
322 return 0;
323 return sk_ASN1_TYPE_num(attr->set);
324}
325
326ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
327{
328 if (attr == NULL)
329 return NULL;
330 return attr->object;
331}
332
333void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
334 int atrtype, void *data)
335{
336 ASN1_TYPE *ttmp;
337 ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
338 if (!ttmp)
339 return NULL;
340 if (atrtype == V_ASN1_BOOLEAN
341 || atrtype == V_ASN1_NULL
342 || atrtype != ASN1_TYPE_get(ttmp)) {
343 ERR_raise(ERR_LIB_X509, X509_R_WRONG_TYPE);
344 return NULL;
345 }
346 return ttmp->value.ptr;
347}
348
349ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
350{
351 if (attr == NULL)
352 return NULL;
353 return sk_ASN1_TYPE_value(attr->set, idx);
354}
注意: 瀏覽 TracBrowser 來幫助您使用儲存庫瀏覽器

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette