1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
59 #include <openssl/asn1.h>
60 #include <openssl/err.h>
61 #include <openssl/evp.h>
62 #include <openssl/obj.h>
63 #include <openssl/stack.h>
64 #include <openssl/x509.h>
66 #include "../internal.h"
69 int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len)
71 const ASN1_OBJECT *obj;
73 obj = OBJ_nid2obj(nid);
76 return (X509_NAME_get_text_by_OBJ(name, obj, buf, len));
79 int X509_NAME_get_text_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj,
85 i = X509_NAME_get_index_by_OBJ(name, obj, -1);
88 data = X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name, i));
89 i = (data->length > (len - 1)) ? (len - 1) : data->length;
91 return (data->length);
92 OPENSSL_memcpy(buf, data->data, i);
97 int X509_NAME_entry_count(X509_NAME *name)
101 return (sk_X509_NAME_ENTRY_num(name->entries));
104 int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
106 const ASN1_OBJECT *obj;
108 obj = OBJ_nid2obj(nid);
111 return (X509_NAME_get_index_by_OBJ(name, obj, lastpos));
114 /* NOTE: you should be passsing -1, not 0 as lastpos */
115 int X509_NAME_get_index_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj,
120 STACK_OF(X509_NAME_ENTRY) *sk;
127 n = sk_X509_NAME_ENTRY_num(sk);
128 for (lastpos++; lastpos < n; lastpos++) {
129 ne = sk_X509_NAME_ENTRY_value(sk, lastpos);
130 if (OBJ_cmp(ne->object, obj) == 0)
136 X509_NAME_ENTRY *X509_NAME_get_entry(X509_NAME *name, int loc)
138 if (name == NULL || loc < 0
139 || sk_X509_NAME_ENTRY_num(name->entries) <= (size_t)loc)
142 return (sk_X509_NAME_ENTRY_value(name->entries, loc));
145 X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc)
147 X509_NAME_ENTRY *ret;
148 int i, n, set_prev, set_next;
149 STACK_OF(X509_NAME_ENTRY) *sk;
151 if (name == NULL || loc < 0
152 || sk_X509_NAME_ENTRY_num(name->entries) <= (size_t)loc)
155 ret = sk_X509_NAME_ENTRY_delete(sk, loc);
156 n = sk_X509_NAME_ENTRY_num(sk);
161 /* else we need to fixup the set field */
163 set_prev = (sk_X509_NAME_ENTRY_value(sk, loc - 1))->set;
165 set_prev = ret->set - 1;
166 set_next = sk_X509_NAME_ENTRY_value(sk, loc)->set;
169 * set_prev is the previous set set is the current set set_next is the
170 * following prev 1 1 1 1 1 1 1 1 set 1 1 2 2 next 1 1 2 2 2 2 3 2 so
171 * basically only if prev and next differ by 2, then re-number down by 1
173 if (set_prev + 1 < set_next)
174 for (i = loc; i < n; i++)
175 sk_X509_NAME_ENTRY_value(sk, i)->set--;
179 int X509_NAME_add_entry_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int type,
180 unsigned char *bytes, int len, int loc,
185 ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len);
188 ret = X509_NAME_add_entry(name, ne, loc, set);
189 X509_NAME_ENTRY_free(ne);
193 int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
194 unsigned char *bytes, int len, int loc,
199 ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len);
202 ret = X509_NAME_add_entry(name, ne, loc, set);
203 X509_NAME_ENTRY_free(ne);
207 int X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type,
208 const unsigned char *bytes, int len, int loc,
213 ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len);
216 ret = X509_NAME_add_entry(name, ne, loc, set);
217 X509_NAME_ENTRY_free(ne);
222 * if set is -1, append to previous set, 0 'a new one', and 1, prepend to the
223 * guy we are about to stomp on.
225 int X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc,
228 X509_NAME_ENTRY *new_name = NULL;
230 STACK_OF(X509_NAME_ENTRY) *sk;
235 n = sk_X509_NAME_ENTRY_num(sk);
248 set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set;
251 } else { /* if (set >= 0) */
255 set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set + 1;
259 set = sk_X509_NAME_ENTRY_value(sk, loc)->set;
260 inc = (set == 0) ? 1 : 0;
263 if ((new_name = X509_NAME_ENTRY_dup(ne)) == NULL)
266 if (!sk_X509_NAME_ENTRY_insert(sk, new_name, loc)) {
267 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
271 n = sk_X509_NAME_ENTRY_num(sk);
272 for (i = loc + 1; i < n; i++)
273 sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1;
277 if (new_name != NULL)
278 X509_NAME_ENTRY_free(new_name);
282 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
283 const char *field, int type,
284 const unsigned char *bytes,
288 X509_NAME_ENTRY *nentry;
290 obj = OBJ_txt2obj(field, 0);
292 OPENSSL_PUT_ERROR(X509, X509_R_INVALID_FIELD_NAME);
293 ERR_add_error_data(2, "name=", field);
296 nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
297 ASN1_OBJECT_free(obj);
301 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
302 int type, unsigned char *bytes,
305 const ASN1_OBJECT *obj = OBJ_nid2obj(nid);
307 OPENSSL_PUT_ERROR(X509, X509_R_UNKNOWN_NID);
310 return X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
313 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
314 const ASN1_OBJECT *obj,
316 const unsigned char *bytes,
319 X509_NAME_ENTRY *ret;
321 if ((ne == NULL) || (*ne == NULL)) {
322 if ((ret = X509_NAME_ENTRY_new()) == NULL)
327 if (!X509_NAME_ENTRY_set_object(ret, obj))
329 if (!X509_NAME_ENTRY_set_data(ret, type, bytes, len))
332 if ((ne != NULL) && (*ne == NULL))
336 if ((ne == NULL) || (ret != *ne))
337 X509_NAME_ENTRY_free(ret);
341 int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, const ASN1_OBJECT *obj)
343 if ((ne == NULL) || (obj == NULL)) {
344 OPENSSL_PUT_ERROR(X509, ERR_R_PASSED_NULL_PARAMETER);
347 ASN1_OBJECT_free(ne->object);
348 ne->object = OBJ_dup(obj);
349 return ((ne->object == NULL) ? 0 : 1);
352 int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
353 const unsigned char *bytes, int len)
357 if ((ne == NULL) || ((bytes == NULL) && (len != 0)))
359 if ((type > 0) && (type & MBSTRING_FLAG))
360 return ASN1_STRING_set_by_NID(&ne->value, bytes,
362 OBJ_obj2nid(ne->object)) ? 1 : 0;
364 len = strlen((const char *)bytes);
365 i = ASN1_STRING_set(ne->value, bytes, len);
368 if (type != V_ASN1_UNDEF) {
369 if (type == V_ASN1_APP_CHOOSE)
370 ne->value->type = ASN1_PRINTABLE_type(bytes, len);
372 ne->value->type = type;
377 ASN1_OBJECT *X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne)
384 ASN1_STRING *X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne)