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 <openssl/stack.h>
12 #include "internal/cryptlib.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, ASN1_OBJECT *obj, char *buf,
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, 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(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 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 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, 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;
217 if ((new_name = X509_NAME_ENTRY_dup(ne)) == NULL)
220 if (!sk_X509_NAME_ENTRY_insert(sk, new_name, loc)) {
221 X509err(X509_F_X509_NAME_ADD_ENTRY, ERR_R_MALLOC_FAILURE);
225 n = sk_X509_NAME_ENTRY_num(sk);
226 for (i = loc + 1; i < n; i++)
227 sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1;
231 X509_NAME_ENTRY_free(new_name);
235 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
236 const char *field, int type,
237 const unsigned char *bytes,
241 X509_NAME_ENTRY *nentry;
243 obj = OBJ_txt2obj(field, 0);
245 X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT,
246 X509_R_INVALID_FIELD_NAME);
247 ERR_add_error_data(2, "name=", field);
250 nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
251 ASN1_OBJECT_free(obj);
255 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
256 int type, unsigned char *bytes,
260 X509_NAME_ENTRY *nentry;
262 obj = OBJ_nid2obj(nid);
264 X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID, X509_R_UNKNOWN_NID);
267 nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
268 ASN1_OBJECT_free(obj);
272 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
273 const ASN1_OBJECT *obj, int type,
274 const unsigned char *bytes,
277 X509_NAME_ENTRY *ret;
279 if ((ne == NULL) || (*ne == NULL)) {
280 if ((ret = X509_NAME_ENTRY_new()) == NULL)
285 if (!X509_NAME_ENTRY_set_object(ret, obj))
287 if (!X509_NAME_ENTRY_set_data(ret, type, bytes, len))
290 if ((ne != NULL) && (*ne == NULL))
294 if ((ne == NULL) || (ret != *ne))
295 X509_NAME_ENTRY_free(ret);
299 int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, const ASN1_OBJECT *obj)
301 if ((ne == NULL) || (obj == NULL)) {
302 X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,
303 ERR_R_PASSED_NULL_PARAMETER);
306 ASN1_OBJECT_free(ne->object);
307 ne->object = OBJ_dup(obj);
308 return ((ne->object == NULL) ? 0 : 1);
311 int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
312 const unsigned char *bytes, int len)
316 if ((ne == NULL) || ((bytes == NULL) && (len != 0)))
318 if ((type > 0) && (type & MBSTRING_FLAG))
319 return ASN1_STRING_set_by_NID(&ne->value, bytes,
321 OBJ_obj2nid(ne->object)) ? 1 : 0;
323 len = strlen((const char *)bytes);
324 i = ASN1_STRING_set(ne->value, bytes, len);
327 if (type != V_ASN1_UNDEF) {
328 if (type == V_ASN1_APP_CHOOSE)
329 ne->value->type = ASN1_PRINTABLE_type(bytes, len);
331 ne->value->type = type;
336 ASN1_OBJECT *X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne)
343 ASN1_STRING *X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne)
350 int X509_NAME_ENTRY_set(const X509_NAME_ENTRY *ne)