2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
11 #include "internal/cryptlib.h"
12 #include <openssl/stack.h>
13 #include <openssl/asn1.h>
14 #include <openssl/objects.h>
15 #include <openssl/evp.h>
16 #include <openssl/x509.h>
17 #include "internal/x509_int.h"
19 int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len)
23 obj = OBJ_nid2obj(nid);
26 return (X509_NAME_get_text_by_OBJ(name, obj, buf, len));
29 int X509_NAME_get_text_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, char *buf,
33 const ASN1_STRING *data;
35 i = X509_NAME_get_index_by_OBJ(name, obj, -1);
38 data = X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name, i));
39 i = (data->length > (len - 1)) ? (len - 1) : data->length;
41 return (data->length);
42 memcpy(buf, data->data, i);
47 int X509_NAME_entry_count(const X509_NAME *name)
51 return (sk_X509_NAME_ENTRY_num(name->entries));
54 int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
58 obj = OBJ_nid2obj(nid);
61 return (X509_NAME_get_index_by_OBJ(name, obj, lastpos));
64 /* NOTE: you should be passing -1, not 0 as lastpos */
65 int X509_NAME_get_index_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, int lastpos)
69 STACK_OF(X509_NAME_ENTRY) *sk;
76 n = sk_X509_NAME_ENTRY_num(sk);
77 for (lastpos++; lastpos < n; lastpos++) {
78 ne = sk_X509_NAME_ENTRY_value(sk, lastpos);
79 if (OBJ_cmp(ne->object, obj) == 0)
85 X509_NAME_ENTRY *X509_NAME_get_entry(const X509_NAME *name, int loc)
87 if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
91 return (sk_X509_NAME_ENTRY_value(name->entries, loc));
94 X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc)
97 int i, n, set_prev, set_next;
98 STACK_OF(X509_NAME_ENTRY) *sk;
100 if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
104 ret = sk_X509_NAME_ENTRY_delete(sk, loc);
105 n = sk_X509_NAME_ENTRY_num(sk);
110 /* else we need to fixup the set field */
112 set_prev = (sk_X509_NAME_ENTRY_value(sk, loc - 1))->set;
114 set_prev = ret->set - 1;
115 set_next = sk_X509_NAME_ENTRY_value(sk, loc)->set;
118 * set_prev is the previous set
119 * set is the current set
120 * set_next is the following
121 * prev 1 1 1 1 1 1 1 1
123 * next 1 1 2 2 2 2 3 2
124 * so basically only if prev and next differ by 2, then
125 * re-number down by 1
127 if (set_prev + 1 < set_next)
128 for (i = loc; i < n; i++)
129 sk_X509_NAME_ENTRY_value(sk, i)->set--;
133 int X509_NAME_add_entry_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, int type,
134 const unsigned char *bytes, int len, int loc,
139 ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len);
142 ret = X509_NAME_add_entry(name, ne, loc, set);
143 X509_NAME_ENTRY_free(ne);
147 int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
148 const unsigned char *bytes, int len, int loc,
153 ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len);
156 ret = X509_NAME_add_entry(name, ne, loc, set);
157 X509_NAME_ENTRY_free(ne);
161 int X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type,
162 const unsigned char *bytes, int len, int loc,
167 ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len);
170 ret = X509_NAME_add_entry(name, ne, loc, set);
171 X509_NAME_ENTRY_free(ne);
176 * if set is -1, append to previous set, 0 'a new one', and 1, prepend to the
177 * guy we are about to stomp on.
179 int X509_NAME_add_entry(X509_NAME *name, const X509_NAME_ENTRY *ne, int loc,
182 X509_NAME_ENTRY *new_name = NULL;
184 STACK_OF(X509_NAME_ENTRY) *sk;
189 n = sk_X509_NAME_ENTRY_num(sk);
202 set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set;
205 } else { /* if (set >= 0) */
209 set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set + 1;
213 set = sk_X509_NAME_ENTRY_value(sk, loc)->set;
214 inc = (set == 0) ? 1 : 0;
218 * X509_NAME_ENTRY_dup is ASN1 generated code, that can't be easily
219 * const'ified; harmless cast as dup() don't modify its input.
221 if ((new_name = X509_NAME_ENTRY_dup((X509_NAME_ENTRY *)ne)) == NULL)
224 if (!sk_X509_NAME_ENTRY_insert(sk, new_name, loc)) {
225 X509err(X509_F_X509_NAME_ADD_ENTRY, ERR_R_MALLOC_FAILURE);
229 n = sk_X509_NAME_ENTRY_num(sk);
230 for (i = loc + 1; i < n; i++)
231 sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1;
235 X509_NAME_ENTRY_free(new_name);
239 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
240 const char *field, int type,
241 const unsigned char *bytes,
245 X509_NAME_ENTRY *nentry;
247 obj = OBJ_txt2obj(field, 0);
249 X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT,
250 X509_R_INVALID_FIELD_NAME);
251 ERR_add_error_data(2, "name=", field);
254 nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
255 ASN1_OBJECT_free(obj);
259 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
261 const unsigned char *bytes,
265 X509_NAME_ENTRY *nentry;
267 obj = OBJ_nid2obj(nid);
269 X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID, X509_R_UNKNOWN_NID);
272 nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
273 ASN1_OBJECT_free(obj);
277 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
278 const ASN1_OBJECT *obj, int type,
279 const unsigned char *bytes,
282 X509_NAME_ENTRY *ret;
284 if ((ne == NULL) || (*ne == NULL)) {
285 if ((ret = X509_NAME_ENTRY_new()) == NULL)
290 if (!X509_NAME_ENTRY_set_object(ret, obj))
292 if (!X509_NAME_ENTRY_set_data(ret, type, bytes, len))
295 if ((ne != NULL) && (*ne == NULL))
299 if ((ne == NULL) || (ret != *ne))
300 X509_NAME_ENTRY_free(ret);
304 int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, const ASN1_OBJECT *obj)
306 if ((ne == NULL) || (obj == NULL)) {
307 X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,
308 ERR_R_PASSED_NULL_PARAMETER);
311 ASN1_OBJECT_free(ne->object);
312 ne->object = OBJ_dup(obj);
313 return ((ne->object == NULL) ? 0 : 1);
316 int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
317 const unsigned char *bytes, int len)
321 if ((ne == NULL) || ((bytes == NULL) && (len != 0)))
323 if ((type > 0) && (type & MBSTRING_FLAG))
324 return ASN1_STRING_set_by_NID(&ne->value, bytes,
326 OBJ_obj2nid(ne->object)) ? 1 : 0;
328 len = strlen((const char *)bytes);
329 i = ASN1_STRING_set(ne->value, bytes, len);
332 if (type != V_ASN1_UNDEF) {
333 if (type == V_ASN1_APP_CHOOSE)
334 ne->value->type = ASN1_PRINTABLE_type(bytes, len);
336 ne->value->type = type;
341 ASN1_OBJECT *X509_NAME_ENTRY_get_object(const X509_NAME_ENTRY *ne)
348 ASN1_STRING *X509_NAME_ENTRY_get_data(const X509_NAME_ENTRY *ne)
355 int X509_NAME_ENTRY_set(const X509_NAME_ENTRY *ne)