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source: vbox/trunk/src/libs/openssl-3.3.2/crypto/x509/x509_att.c@ 108358

最後變更 在這個檔案從108358是 108206,由 vboxsync 提交於 6 週 前

openssl-3.3.2: Exported all files to OSE and removed .scm-settings ​bugref:10757
  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Author Date Id Revision
檔案大小: 13.1 KB
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1/*
2 * Copyright 1995-2024 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) {
59 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
60 return NULL;
61 }
62 if (sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) {
63 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_INVALID_ARGUMENT);
64 return NULL;
65 }
66 return sk_X509_ATTRIBUTE_value(x, loc);
67}
68
69X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
70{
71 if (x == NULL) {
72 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
73 return NULL;
74 }
75 if (sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) {
76 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_INVALID_ARGUMENT);
77 return NULL;
78 }
79 return sk_X509_ATTRIBUTE_delete(x, loc);
80}
81
82STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
83 X509_ATTRIBUTE *attr)
84{
85 X509_ATTRIBUTE *new_attr = NULL;
86 STACK_OF(X509_ATTRIBUTE) *sk = NULL;
87
88 if (x == NULL || attr == NULL) {
89 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
90 return NULL;
91 }
92
93 if (*x == NULL) {
94 if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL) {
95 ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
96 goto err;
97 }
98 } else {
99 sk = *x;
100 }
101
102 if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
103 goto err;
104 if (!sk_X509_ATTRIBUTE_push(sk, new_attr)) {
105 ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
106 goto err;
107 }
108 if (*x == NULL)
109 *x = sk;
110 return sk;
111 err:
112 X509_ATTRIBUTE_free(new_attr);
113 if (*x == NULL)
114 sk_X509_ATTRIBUTE_free(sk);
115 return NULL;
116}
117
118STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
119 X509_ATTRIBUTE *attr)
120{
121 if (x == NULL || attr == NULL) {
122 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
123 return NULL;
124 }
125 if (*x != NULL && X509at_get_attr_by_OBJ(*x, attr->object, -1) != -1) {
126 ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
127 return NULL;
128 }
129
130 return ossl_x509at_add1_attr(x, attr);
131}
132
133STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x,
134 const ASN1_OBJECT *obj,
135 int type,
136 const unsigned char *bytes,
137 int len)
138{
139 X509_ATTRIBUTE *attr;
140 STACK_OF(X509_ATTRIBUTE) *ret;
141
142 attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
143 if (attr == NULL)
144 return 0;
145 ret = ossl_x509at_add1_attr(x, attr);
146 X509_ATTRIBUTE_free(attr);
147 return ret;
148}
149
150STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
151 **x, const ASN1_OBJECT *obj,
152 int type,
153 const unsigned char *bytes,
154 int len)
155{
156 if (x == NULL || obj == NULL) {
157 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
158 return NULL;
159 }
160 if (*x != NULL && X509at_get_attr_by_OBJ(*x, obj, -1) != -1) {
161 ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
162 return NULL;
163 }
164
165 return ossl_x509at_add1_attr_by_OBJ(x, obj, type, bytes, len);
166}
167
168STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
169 int nid, int type,
170 const unsigned char *bytes,
171 int len)
172{
173 X509_ATTRIBUTE *attr;
174 STACK_OF(X509_ATTRIBUTE) *ret;
175
176 attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
177 if (attr == NULL)
178 return 0;
179 ret = ossl_x509at_add1_attr(x, attr);
180 X509_ATTRIBUTE_free(attr);
181 return ret;
182}
183
184STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
185 **x, int nid, int type,
186 const unsigned char *bytes,
187 int len)
188{
189 if (x == NULL) {
190 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
191 return NULL;
192 }
193 if (*x != NULL && X509at_get_attr_by_NID(*x, nid, -1) != -1) {
194 ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
195 return NULL;
196 }
197
198 return ossl_x509at_add1_attr_by_NID(x, nid, type, bytes, len);
199}
200
201STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
202 const char *attrname,
203 int type,
204 const unsigned char *bytes,
205 int len)
206{
207 X509_ATTRIBUTE *attr;
208 STACK_OF(X509_ATTRIBUTE) *ret;
209
210 attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
211 if (attr == NULL)
212 return 0;
213 ret = ossl_x509at_add1_attr(x, attr);
214 X509_ATTRIBUTE_free(attr);
215 return ret;
216}
217
218STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
219 **x, const char *attrname,
220 int type,
221 const unsigned char *bytes,
222 int len)
223{
224 X509_ATTRIBUTE *attr;
225 STACK_OF(X509_ATTRIBUTE) *ret;
226
227 attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
228 if (attr == NULL)
229 return 0;
230 ret = X509at_add1_attr(x, attr);
231 X509_ATTRIBUTE_free(attr);
232 return ret;
233}
234
235void *X509at_get0_data_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *x,
236 const ASN1_OBJECT *obj, int lastpos, int type)
237{
238 int i = X509at_get_attr_by_OBJ(x, obj, lastpos);
239 X509_ATTRIBUTE *at;
240
241 if (i == -1)
242 return NULL;
243 if (lastpos <= -2 && X509at_get_attr_by_OBJ(x, obj, i) != -1)
244 return NULL;
245 at = X509at_get_attr(x, i);
246 if (lastpos <= -3 && X509_ATTRIBUTE_count(at) != 1)
247 return NULL;
248 return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
249}
250
251STACK_OF(X509_ATTRIBUTE) *ossl_x509at_dup(const STACK_OF(X509_ATTRIBUTE) *x)
252{
253 int i, n = sk_X509_ATTRIBUTE_num(x);
254 STACK_OF(X509_ATTRIBUTE) *sk = NULL;
255
256 for (i = 0; i < n; ++i) {
257 if (X509at_add1_attr(&sk, sk_X509_ATTRIBUTE_value(x, i)) == NULL) {
258 sk_X509_ATTRIBUTE_pop_free(sk, X509_ATTRIBUTE_free);
259 return NULL;
260 }
261 }
262 return sk;
263}
264
265X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
266 int atrtype, const void *data,
267 int len)
268{
269 ASN1_OBJECT *obj = OBJ_nid2obj(nid);
270 X509_ATTRIBUTE *ret;
271
272 if (obj == NULL) {
273 ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID);
274 return NULL;
275 }
276 ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
277 if (ret == NULL)
278 ASN1_OBJECT_free(obj);
279 return ret;
280}
281
282X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
283 const ASN1_OBJECT *obj,
284 int atrtype, const void *data,
285 int len)
286{
287 X509_ATTRIBUTE *ret;
288
289 if (attr == NULL || *attr == NULL) {
290 if ((ret = X509_ATTRIBUTE_new()) == NULL) {
291 ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
292 return NULL;
293 }
294 } else {
295 ret = *attr;
296 }
297
298 if (!X509_ATTRIBUTE_set1_object(ret, obj))
299 goto err;
300 if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
301 goto err;
302
303 if (attr != NULL && *attr == NULL)
304 *attr = ret;
305 return ret;
306 err:
307 if (attr == NULL || ret != *attr)
308 X509_ATTRIBUTE_free(ret);
309 return NULL;
310}
311
312X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
313 const char *atrname, int type,
314 const unsigned char *bytes,
315 int len)
316{
317 ASN1_OBJECT *obj = OBJ_txt2obj(atrname, 0);
318 X509_ATTRIBUTE *nattr;
319
320 if (obj == NULL) {
321 ERR_raise_data(ERR_LIB_X509, X509_R_INVALID_FIELD_NAME,
322 "name=%s", atrname);
323 return NULL;
324 }
325 nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
326 ASN1_OBJECT_free(obj);
327 return nattr;
328}
329
330int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
331{
332 if (attr == NULL || obj == NULL) {
333 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
334 return 0;
335 }
336 ASN1_OBJECT_free(attr->object);
337 attr->object = OBJ_dup(obj);
338 return attr->object != NULL;
339}
340
341int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
342 const void *data, int len)
343{
344 ASN1_TYPE *ttmp = NULL;
345 ASN1_STRING *stmp = NULL;
346 int atype = 0;
347
348 if (attr == NULL) {
349 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
350 return 0;
351 }
352 if ((attrtype & MBSTRING_FLAG) != 0) {
353 stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
354 OBJ_obj2nid(attr->object));
355 if (stmp == NULL) {
356 ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
357 return 0;
358 }
359 atype = stmp->type;
360 } else if (len != -1) {
361 if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL
362 || !ASN1_STRING_set(stmp, data, len)) {
363 ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
364 goto err;
365 }
366 atype = attrtype;
367 }
368 /*
369 * This is a bit naughty because the attribute should really have at
370 * least one value but some types use and zero length SET and require
371 * this.
372 */
373 if (attrtype == 0) {
374 ASN1_STRING_free(stmp);
375 return 1;
376 }
377 if ((ttmp = ASN1_TYPE_new()) == NULL) {
378 ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
379 goto err;
380 }
381 if (len == -1 && (attrtype & MBSTRING_FLAG) == 0) {
382 if (!ASN1_TYPE_set1(ttmp, attrtype, data)) {
383 ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
384 goto err;
385 }
386 } else {
387 ASN1_TYPE_set(ttmp, atype, stmp);
388 stmp = NULL;
389 }
390 if (!sk_ASN1_TYPE_push(attr->set, ttmp)) {
391 ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
392 goto err;
393 }
394 return 1;
395 err:
396 ASN1_TYPE_free(ttmp);
397 ASN1_STRING_free(stmp);
398 return 0;
399}
400
401int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
402{
403 if (attr == NULL)
404 return 0;
405 return sk_ASN1_TYPE_num(attr->set);
406}
407
408ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
409{
410 if (attr == NULL) {
411 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
412 return NULL;
413 }
414 return attr->object;
415}
416
417void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
418 int atrtype, void *data)
419{
420 ASN1_TYPE *ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
421
422 if (ttmp == NULL)
423 return NULL;
424 if (atrtype == V_ASN1_BOOLEAN
425 || atrtype == V_ASN1_NULL
426 || atrtype != ASN1_TYPE_get(ttmp)) {
427 ERR_raise(ERR_LIB_X509, X509_R_WRONG_TYPE);
428 return NULL;
429 }
430 return ttmp->value.ptr;
431}
432
433ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
434{
435 if (attr == NULL) {
436 ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
437 return NULL;
438 }
439 return sk_ASN1_TYPE_value(attr->set, idx);
440}
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