2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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
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 "crypto/x509.h"
19 int X509_NAME_get_text_by_NID(const X509_NAME
*name
, int nid
,
24 obj
= OBJ_nid2obj(nid
);
27 return X509_NAME_get_text_by_OBJ(name
, obj
, buf
, len
);
30 int X509_NAME_get_text_by_OBJ(const X509_NAME
*name
, const ASN1_OBJECT
*obj
,
34 const ASN1_STRING
*data
;
36 i
= X509_NAME_get_index_by_OBJ(name
, obj
, -1);
39 data
= X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name
, i
));
44 i
= (data
->length
> (len
- 1)) ? (len
- 1) : data
->length
;
45 memcpy(buf
, data
->data
, i
);
50 int X509_NAME_entry_count(const X509_NAME
*name
)
56 ret
= sk_X509_NAME_ENTRY_num(name
->entries
);
57 return ret
> 0 ? ret
: 0;
60 int X509_NAME_get_index_by_NID(const X509_NAME
*name
, int nid
, int lastpos
)
64 obj
= OBJ_nid2obj(nid
);
67 return X509_NAME_get_index_by_OBJ(name
, obj
, lastpos
);
70 /* NOTE: you should be passing -1, not 0 as lastpos */
71 int X509_NAME_get_index_by_OBJ(const X509_NAME
*name
, const ASN1_OBJECT
*obj
,
76 STACK_OF(X509_NAME_ENTRY
) *sk
;
83 n
= sk_X509_NAME_ENTRY_num(sk
);
84 for (lastpos
++; lastpos
< n
; lastpos
++) {
85 ne
= sk_X509_NAME_ENTRY_value(sk
, lastpos
);
86 if (OBJ_cmp(ne
->object
, obj
) == 0)
92 X509_NAME_ENTRY
*X509_NAME_get_entry(const X509_NAME
*name
, int loc
)
94 if (name
== NULL
|| sk_X509_NAME_ENTRY_num(name
->entries
) <= loc
98 return sk_X509_NAME_ENTRY_value(name
->entries
, loc
);
101 X509_NAME_ENTRY
*X509_NAME_delete_entry(X509_NAME
*name
, int loc
)
103 X509_NAME_ENTRY
*ret
;
104 int i
, n
, set_prev
, set_next
;
105 STACK_OF(X509_NAME_ENTRY
) *sk
;
107 if (name
== NULL
|| sk_X509_NAME_ENTRY_num(name
->entries
) <= loc
112 ret
= sk_X509_NAME_ENTRY_delete(sk
, loc
);
113 n
= sk_X509_NAME_ENTRY_num(sk
);
118 /* else we need to fixup the set field */
120 set_prev
= (sk_X509_NAME_ENTRY_value(sk
, loc
- 1))->set
;
122 set_prev
= ret
->set
- 1;
123 set_next
= sk_X509_NAME_ENTRY_value(sk
, loc
)->set
;
126 * set_prev is the previous set
127 * set is the current set
128 * set_next is the following
129 * prev 1 1 1 1 1 1 1 1
131 * next 1 1 2 2 2 2 3 2
132 * so basically only if prev and next differ by 2, then
133 * re-number down by 1
135 if (set_prev
+ 1 < set_next
)
136 for (i
= loc
; i
< n
; i
++)
137 sk_X509_NAME_ENTRY_value(sk
, i
)->set
--;
141 int X509_NAME_add_entry_by_OBJ(X509_NAME
*name
, const ASN1_OBJECT
*obj
, int type
,
142 const unsigned char *bytes
, int len
, int loc
,
148 ne
= X509_NAME_ENTRY_create_by_OBJ(NULL
, obj
, type
, bytes
, len
);
151 ret
= X509_NAME_add_entry(name
, ne
, loc
, set
);
152 X509_NAME_ENTRY_free(ne
);
156 int X509_NAME_add_entry_by_NID(X509_NAME
*name
, int nid
, int type
,
157 const unsigned char *bytes
, int len
, int loc
,
162 ne
= X509_NAME_ENTRY_create_by_NID(NULL
, nid
, type
, bytes
, len
);
165 ret
= X509_NAME_add_entry(name
, ne
, loc
, set
);
166 X509_NAME_ENTRY_free(ne
);
170 int X509_NAME_add_entry_by_txt(X509_NAME
*name
, const char *field
, int type
,
171 const unsigned char *bytes
, int len
, int loc
,
176 ne
= X509_NAME_ENTRY_create_by_txt(NULL
, field
, type
, bytes
, len
);
179 ret
= X509_NAME_add_entry(name
, ne
, loc
, set
);
180 X509_NAME_ENTRY_free(ne
);
185 * if set is -1, append to previous set, 0 'a new one', and 1, prepend to the
186 * guy we are about to stomp on.
188 int X509_NAME_add_entry(X509_NAME
*name
, const X509_NAME_ENTRY
*ne
, int loc
,
191 X509_NAME_ENTRY
*new_name
= NULL
;
193 STACK_OF(X509_NAME_ENTRY
) *sk
;
198 n
= sk_X509_NAME_ENTRY_num(sk
);
211 set
= sk_X509_NAME_ENTRY_value(sk
, loc
- 1)->set
;
213 } else { /* if (set >= 0) */
217 set
= sk_X509_NAME_ENTRY_value(sk
, loc
- 1)->set
+ 1;
221 set
= sk_X509_NAME_ENTRY_value(sk
, loc
)->set
;
224 if ((new_name
= X509_NAME_ENTRY_dup(ne
)) == NULL
)
227 if (!sk_X509_NAME_ENTRY_insert(sk
, new_name
, loc
)) {
228 ERR_raise(ERR_LIB_X509
, ERR_R_CRYPTO_LIB
);
232 n
= sk_X509_NAME_ENTRY_num(sk
);
233 for (i
= loc
+ 1; i
< n
; i
++)
234 sk_X509_NAME_ENTRY_value(sk
, i
)->set
+= 1;
238 X509_NAME_ENTRY_free(new_name
);
242 X509_NAME_ENTRY
*X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY
**ne
,
243 const char *field
, int type
,
244 const unsigned char *bytes
,
248 X509_NAME_ENTRY
*nentry
;
250 obj
= OBJ_txt2obj(field
, 0);
252 ERR_raise_data(ERR_LIB_X509
, X509_R_INVALID_FIELD_NAME
,
256 nentry
= X509_NAME_ENTRY_create_by_OBJ(ne
, obj
, type
, bytes
, len
);
257 ASN1_OBJECT_free(obj
);
261 X509_NAME_ENTRY
*X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY
**ne
, int nid
,
263 const unsigned char *bytes
,
267 X509_NAME_ENTRY
*nentry
;
269 obj
= OBJ_nid2obj(nid
);
271 ERR_raise(ERR_LIB_X509
, X509_R_UNKNOWN_NID
);
274 nentry
= X509_NAME_ENTRY_create_by_OBJ(ne
, obj
, type
, bytes
, len
);
275 ASN1_OBJECT_free(obj
);
279 X509_NAME_ENTRY
*X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY
**ne
,
280 const ASN1_OBJECT
*obj
, int type
,
281 const unsigned char *bytes
,
284 X509_NAME_ENTRY
*ret
;
286 if ((ne
== NULL
) || (*ne
== NULL
)) {
287 if ((ret
= X509_NAME_ENTRY_new()) == NULL
)
292 if (!X509_NAME_ENTRY_set_object(ret
, obj
))
294 if (!X509_NAME_ENTRY_set_data(ret
, type
, bytes
, len
))
297 if ((ne
!= NULL
) && (*ne
== NULL
))
301 if ((ne
== NULL
) || (ret
!= *ne
))
302 X509_NAME_ENTRY_free(ret
);
306 int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY
*ne
, const ASN1_OBJECT
*obj
)
308 if ((ne
== NULL
) || (obj
== NULL
)) {
309 ERR_raise(ERR_LIB_X509
, ERR_R_PASSED_NULL_PARAMETER
);
312 ASN1_OBJECT_free(ne
->object
);
313 ne
->object
= OBJ_dup(obj
);
314 return ((ne
->object
== NULL
) ? 0 : 1);
317 int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY
*ne
, int type
,
318 const unsigned char *bytes
, int len
)
322 if ((ne
== NULL
) || ((bytes
== NULL
) && (len
!= 0)))
324 if ((type
> 0) && (type
& MBSTRING_FLAG
))
325 return ASN1_STRING_set_by_NID(&ne
->value
, bytes
,
327 OBJ_obj2nid(ne
->object
)) ? 1 : 0;
329 len
= strlen((const char *)bytes
);
330 i
= ASN1_STRING_set(ne
->value
, bytes
, len
);
333 if (type
!= V_ASN1_UNDEF
) {
334 if (type
== V_ASN1_APP_CHOOSE
)
335 ne
->value
->type
= ASN1_PRINTABLE_type(bytes
, len
);
337 ne
->value
->type
= type
;
342 ASN1_OBJECT
*X509_NAME_ENTRY_get_object(const X509_NAME_ENTRY
*ne
)
349 ASN1_STRING
*X509_NAME_ENTRY_get_data(const X509_NAME_ENTRY
*ne
)
356 int X509_NAME_ENTRY_set(const X509_NAME_ENTRY
*ne
)