xref: /openssl/crypto/asn1/tasn_scn.c (revision e077455e)
1 /*
2  * Copyright 2010-2020 The OpenSSL Project Authors. All Rights Reserved.
3  *
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
8  */
9 
10 #include <stddef.h>
11 #include "internal/cryptlib.h"
12 #include <openssl/asn1.h>
13 #include <openssl/asn1t.h>
14 #include <openssl/objects.h>
15 #include <openssl/buffer.h>
16 #include <openssl/err.h>
17 #include <openssl/x509v3.h>
18 #include "asn1_local.h"
19 
20 /*
21  * General ASN1 structure recursive scanner: iterate through all fields
22  * passing details to a callback.
23  */
24 
ASN1_SCTX_new(int (* scan_cb)(ASN1_SCTX * ctx))25 ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb) (ASN1_SCTX *ctx))
26 {
27     ASN1_SCTX *ret = OPENSSL_zalloc(sizeof(*ret));
28 
29     if (ret == NULL)
30         return NULL;
31     ret->scan_cb = scan_cb;
32     return ret;
33 }
34 
ASN1_SCTX_free(ASN1_SCTX * p)35 void ASN1_SCTX_free(ASN1_SCTX *p)
36 {
37     OPENSSL_free(p);
38 }
39 
ASN1_SCTX_get_item(ASN1_SCTX * p)40 const ASN1_ITEM *ASN1_SCTX_get_item(ASN1_SCTX *p)
41 {
42     return p->it;
43 }
44 
ASN1_SCTX_get_template(ASN1_SCTX * p)45 const ASN1_TEMPLATE *ASN1_SCTX_get_template(ASN1_SCTX *p)
46 {
47     return p->tt;
48 }
49 
ASN1_SCTX_get_flags(ASN1_SCTX * p)50 unsigned long ASN1_SCTX_get_flags(ASN1_SCTX *p)
51 {
52     return p->flags;
53 }
54 
ASN1_SCTX_set_app_data(ASN1_SCTX * p,void * data)55 void ASN1_SCTX_set_app_data(ASN1_SCTX *p, void *data)
56 {
57     p->app_data = data;
58 }
59 
ASN1_SCTX_get_app_data(ASN1_SCTX * p)60 void *ASN1_SCTX_get_app_data(ASN1_SCTX *p)
61 {
62     return p->app_data;
63 }
64