[331] | 1 | /*
|
---|
| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
---|
| 3 | *
|
---|
| 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
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | #include <stdio.h>
|
---|
| 11 | #include "internal/cryptlib.h"
|
---|
| 12 | #include <openssl/lhash.h>
|
---|
| 13 | #include <openssl/objects.h>
|
---|
| 14 | #include <openssl/buffer.h>
|
---|
| 15 | #include "internal/asn1_int.h"
|
---|
| 16 |
|
---|
| 17 | ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o)
|
---|
| 18 | {
|
---|
| 19 | ASN1_OBJECT *r;
|
---|
| 20 |
|
---|
| 21 | if (o == NULL)
|
---|
| 22 | return NULL;
|
---|
| 23 | /* If object isn't dynamic it's an internal OID which is never freed */
|
---|
| 24 | if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
|
---|
| 25 | return ((ASN1_OBJECT *)o);
|
---|
| 26 |
|
---|
| 27 | r = ASN1_OBJECT_new();
|
---|
| 28 | if (r == NULL) {
|
---|
| 29 | OBJerr(OBJ_F_OBJ_DUP, ERR_R_ASN1_LIB);
|
---|
| 30 | return (NULL);
|
---|
| 31 | }
|
---|
| 32 |
|
---|
| 33 | /* Set dynamic flags so everything gets freed up on error */
|
---|
| 34 |
|
---|
| 35 | r->flags = o->flags | (ASN1_OBJECT_FLAG_DYNAMIC |
|
---|
| 36 | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
|
---|
| 37 | ASN1_OBJECT_FLAG_DYNAMIC_DATA);
|
---|
| 38 |
|
---|
| 39 | if (o->length > 0 && (r->data = OPENSSL_memdup(o->data, o->length)) == NULL)
|
---|
| 40 | goto err;
|
---|
| 41 |
|
---|
| 42 | r->length = o->length;
|
---|
| 43 | r->nid = o->nid;
|
---|
| 44 |
|
---|
| 45 | if (o->ln != NULL && (r->ln = OPENSSL_strdup(o->ln)) == NULL)
|
---|
| 46 | goto err;
|
---|
| 47 |
|
---|
| 48 | if (o->sn != NULL && (r->sn = OPENSSL_strdup(o->sn)) == NULL)
|
---|
| 49 | goto err;
|
---|
| 50 |
|
---|
| 51 | return r;
|
---|
| 52 | err:
|
---|
| 53 | ASN1_OBJECT_free(r);
|
---|
| 54 | OBJerr(OBJ_F_OBJ_DUP, ERR_R_MALLOC_FAILURE);
|
---|
| 55 | return NULL;
|
---|
| 56 | }
|
---|
| 57 |
|
---|
| 58 | int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
|
---|
| 59 | {
|
---|
| 60 | int ret;
|
---|
| 61 |
|
---|
| 62 | ret = (a->length - b->length);
|
---|
| 63 | if (ret)
|
---|
| 64 | return (ret);
|
---|
| 65 | return (memcmp(a->data, b->data, a->length));
|
---|
| 66 | }
|
---|