1/* Copyright (c) 2016, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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
25struct wrapped_callback {
26  void (*callback)(const OBJ_NAME *, void *arg);
27  void *arg;
28};
29
30static 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
43static 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
56void 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
72void 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