1 // Copyright 2016 The BoringSSL Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include <openssl/obj.h>
16
17 #include <assert.h>
18 #include <string.h>
19
20 #include <openssl/evp.h>
21
22 #include "../../crypto/internal.h"
23
24
25 struct wrapped_callback {
26 void (*callback)(const OBJ_NAME *, void *arg);
27 void *arg;
28 };
29
cipher_callback(const EVP_CIPHER * cipher,const char * name,const char * unused,void * arg)30 static void cipher_callback(const EVP_CIPHER *cipher, const char *name,
31 const char *unused, void *arg) {
32 const struct wrapped_callback *wrapped = (struct wrapped_callback *)arg;
33 OBJ_NAME obj_name;
34
35 OPENSSL_memset(&obj_name, 0, sizeof(obj_name));
36 obj_name.type = OBJ_NAME_TYPE_CIPHER_METH;
37 obj_name.name = name;
38 obj_name.data = (const char *)cipher;
39
40 wrapped->callback(&obj_name, wrapped->arg);
41 }
42
md_callback(const EVP_MD * md,const char * name,const char * unused,void * arg)43 static void md_callback(const EVP_MD *md, const char *name, const char *unused,
44 void *arg) {
45 const struct wrapped_callback *wrapped = (struct wrapped_callback*) arg;
46 OBJ_NAME obj_name;
47
48 OPENSSL_memset(&obj_name, 0, sizeof(obj_name));
49 obj_name.type = OBJ_NAME_TYPE_MD_METH;
50 obj_name.name = name;
51 obj_name.data = (const char *)md;
52
53 wrapped->callback(&obj_name, wrapped->arg);
54 }
55
OBJ_NAME_do_all_sorted(int type,void (* callback)(const OBJ_NAME *,void * arg),void * arg)56 void OBJ_NAME_do_all_sorted(int type,
57 void (*callback)(const OBJ_NAME *, void *arg),
58 void *arg) {
59 struct wrapped_callback wrapped;
60 wrapped.callback = callback;
61 wrapped.arg = arg;
62
63 if (type == OBJ_NAME_TYPE_CIPHER_METH) {
64 EVP_CIPHER_do_all_sorted(cipher_callback, &wrapped);
65 } else if (type == OBJ_NAME_TYPE_MD_METH) {
66 EVP_MD_do_all_sorted(md_callback, &wrapped);
67 } else {
68 assert(0);
69 }
70 }
71
OBJ_NAME_do_all(int type,void (* callback)(const OBJ_NAME *,void * arg),void * arg)72 void OBJ_NAME_do_all(int type, void (*callback)(const OBJ_NAME *, void *arg),
73 void *arg) {
74 OBJ_NAME_do_all_sorted(type, callback, arg);
75 }
76