1#include <openssl/engine.h>
2#include <openssl/pem.h>
3
4#include <assert.h>
5#include <string.h>
6#include <stdlib.h>
7
8#include <fstream>
9#include <iterator>
10#include <string>
11
12#ifndef ENGINE_CMD_BASE
13# error did not get engine.h
14#endif
15
16#define TEST_ENGINE_ID      "testkeyengine"
17#define TEST_ENGINE_NAME    "dummy test key engine"
18
19#define PRIVATE_KEY           "test/fixtures/keys/agent1-key.pem"
20
21#ifdef _WIN32
22# define DEFAULT_VISIBILITY __declspec(dllexport)
23#else
24# define DEFAULT_VISIBILITY __attribute__((visibility("default")))
25#endif
26
27namespace {
28
29int EngineInit(ENGINE* engine) {
30  return 1;
31}
32
33int EngineFinish(ENGINE* engine) {
34  return 1;
35}
36
37int EngineDestroy(ENGINE* engine) {
38  return 1;
39}
40
41std::string LoadFile(const char* filename) {
42  std::ifstream file(filename);
43  return std::string(std::istreambuf_iterator<char>(file),
44                     std::istreambuf_iterator<char>());
45}
46
47static EVP_PKEY* EngineLoadPrivkey(ENGINE* engine, const char* name,
48                                   UI_METHOD* ui_method, void* callback_data) {
49  if (strcmp(name, "dummykey") == 0) {
50    std::string key = LoadFile(PRIVATE_KEY);
51    BIO* bio = BIO_new_mem_buf(key.data(), key.size());
52    EVP_PKEY* ret = PEM_read_bio_PrivateKey(bio, nullptr, nullptr, nullptr);
53
54    BIO_vfree(bio);
55    if (ret != nullptr) {
56      return ret;
57    }
58  }
59
60  return nullptr;
61}
62
63int bind_fn(ENGINE* engine, const char* id) {
64  ENGINE_set_id(engine, TEST_ENGINE_ID);
65  ENGINE_set_name(engine, TEST_ENGINE_NAME);
66  ENGINE_set_init_function(engine, EngineInit);
67  ENGINE_set_finish_function(engine, EngineFinish);
68  ENGINE_set_destroy_function(engine, EngineDestroy);
69  ENGINE_set_load_privkey_function(engine, EngineLoadPrivkey);
70
71  return 1;
72}
73
74extern "C" {
75  DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_CHECK_FN();
76  DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_BIND_FN(bind_fn);
77}
78
79}  // anonymous namespace
80