isc_result_t
dst__openssl_init() {
isc_result_t result;
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
CRYPTO_set_mem_functions(mem_alloc, mem_realloc, mem_free);
nlocks = CRYPTO_num_locks();
locks = mem_alloc(sizeof(isc_mutex_t) * nlocks);
if (locks == NULL)
return (ISC_R_NOMEMORY);
result = isc_mutexblock_init(locks, nlocks);
if (result != ISC_R_SUCCESS)
goto cleanup_mutexalloc;
CRYPTO_set_locking_callback(lock_callback);
CRYPTO_set_id_callback(id_callback);
rm = mem_alloc(sizeof(RAND_METHOD));
if (rm == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_mutexinit;
}
rm->seed = NULL;
rm->bytes = entropy_get;
rm->cleanup = NULL;
rm->add = entropy_add;
rm->pseudorand = entropy_getpseudo;
rm->status = entropy_status;
#ifdef USE_ENGINE
e = ENGINE_new();
if (e == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_rm;
}
ENGINE_set_RAND(e, rm);
RAND_set_rand_method(rm);
#else
RAND_set_rand_method(rm);
#endif /* USE_ENGINE */
return (ISC_R_SUCCESS);
#ifdef USE_ENGINE
cleanup_rm:
mem_free(rm);
#endif
cleanup_mutexinit:
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
cleanup_mutexalloc:
mem_free(locks);
return (result);
}
void
dst__openssl_destroy() {
/*
* Sequence taken from apps_shutdown() in <apps/apps.h>.
*/
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
CONF_modules_unload(1);
#endif
EVP_cleanup();
#if defined(USE_ENGINE) && OPENSSL_VERSION_NUMBER >= 0x00907000L
ENGINE_cleanup();
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
CRYPTO_cleanup_all_ex_data();
#endif
ERR_clear_error();
ERR_free_strings();
ERR_remove_state(0);
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_mem_leaks_fp(stderr);
#endif
#if 0
/*
* The old error sequence that leaked. Remove for 9.4.1 if
* there are no issues by then.
*/
ERR_clear_error();
#ifdef USE_ENGINE
if (e != NULL) {
ENGINE_free(e);
e = NULL;
}
#endif
#endif
if (rm != NULL) {
#if OPENSSL_VERSION_NUMBER >= 0x00907000L
RAND_cleanup();
#endif
mem_free(rm);
}
if (locks != NULL) {
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
mem_free(locks);
}
}
void
dst__openssl_destroy(void) {
/*
* Sequence taken from apps_shutdown() in <apps/apps.h>.
*/
if (rm != NULL) {
#if OPENSSL_VERSION_NUMBER >= 0x00907000L
RAND_cleanup();
#endif
mem_free(rm);
rm = NULL;
}
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
CONF_modules_free();
#endif
OBJ_cleanup();
EVP_cleanup();
#if defined(USE_ENGINE)
if (e != NULL)
ENGINE_free(e);
e = NULL;
#if defined(USE_ENGINE) && OPENSSL_VERSION_NUMBER >= 0x00907000L
ENGINE_cleanup();
#endif
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
CRYPTO_cleanup_all_ex_data();
#endif
ERR_clear_error();
#if OPENSSL_VERSION_NUMBER < 0x10100000L
ERR_remove_state(0);
#endif
ERR_free_strings();
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_mem_leaks_fp(stderr);
#endif
if (locks != NULL) {
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
mem_free(locks);
locks = NULL;
}
}
isc_result_t
dst__openssl_init(const char *engine) {
isc_result_t result;
#ifdef USE_ENGINE
ENGINE *re;
#else
UNUSED(engine);
#endif
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
CRYPTO_set_mem_functions(mem_alloc, mem_realloc, mem_free);
nlocks = CRYPTO_num_locks();
locks = mem_alloc(sizeof(isc_mutex_t) * nlocks);
if (locks == NULL)
return (ISC_R_NOMEMORY);
result = isc_mutexblock_init(locks, nlocks);
if (result != ISC_R_SUCCESS)
goto cleanup_mutexalloc;
CRYPTO_set_locking_callback(lock_callback);
#if OPENSSL_VERSION_NUMBER < 0x10100000L
CRYPTO_set_id_callback(id_callback);
#endif
ERR_load_crypto_strings();
rm = mem_alloc(sizeof(RAND_METHOD));
if (rm == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_mutexinit;
}
rm->seed = NULL;
rm->bytes = entropy_get;
rm->cleanup = NULL;
rm->add = entropy_add;
rm->pseudorand = entropy_getpseudo;
rm->status = entropy_status;
#ifdef USE_ENGINE
OPENSSL_config(NULL);
if (engine != NULL && *engine == '\0')
engine = NULL;
if (engine != NULL) {
e = ENGINE_by_id(engine);
if (e == NULL) {
result = DST_R_NOENGINE;
goto cleanup_rm;
}
/* This will init the engine. */
if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
result = DST_R_NOENGINE;
goto cleanup_rm;
}
}
re = ENGINE_get_default_RAND();
if (re == NULL) {
re = ENGINE_new();
if (re == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_rm;
}
ENGINE_set_RAND(re, rm);
ENGINE_set_default_RAND(re);
ENGINE_free(re);
} else
ENGINE_finish(re);
#else
RAND_set_rand_method(rm);
#endif /* USE_ENGINE */
return (ISC_R_SUCCESS);
#ifdef USE_ENGINE
cleanup_rm:
if (e != NULL)
ENGINE_free(e);
e = NULL;
mem_free(rm);
rm = NULL;
#endif
cleanup_mutexinit:
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
cleanup_mutexalloc:
mem_free(locks);
locks = NULL;
return (result);
}
isc_result_t
dst__openssl_init() {
isc_result_t result;
#ifdef USE_ENGINE
/* const char *name; */
ENGINE *re;
#endif
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
CRYPTO_set_mem_functions(mem_alloc, mem_realloc, mem_free);
nlocks = CRYPTO_num_locks();
locks = mem_alloc(sizeof(isc_mutex_t) * nlocks);
if (locks == NULL)
return (ISC_R_NOMEMORY);
result = isc_mutexblock_init(locks, nlocks);
if (result != ISC_R_SUCCESS)
goto cleanup_mutexalloc;
CRYPTO_set_locking_callback(lock_callback);
CRYPTO_set_id_callback(id_callback);
rm = mem_alloc(sizeof(RAND_METHOD));
if (rm == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_mutexinit;
}
rm->seed = NULL;
rm->bytes = entropy_get;
rm->cleanup = NULL;
rm->add = entropy_add;
rm->pseudorand = entropy_getpseudo;
rm->status = entropy_status;
#ifdef USE_ENGINE
OPENSSL_config(NULL);
#ifdef USE_PKCS11
#ifndef PKCS11_SO_PATH
#define PKCS11_SO_PATH "/usr/local/lib/engines/engine_pkcs11.so"
#endif
#ifndef PKCS11_MODULE_PATH
#define PKCS11_MODULE_PATH "/usr/lib/libpkcs11.so"
#endif
{
/*
* to use this to config the PIN, add in openssl.cnf:
* - at the beginning: "openssl_conf = openssl_def"
* - at any place these sections:
* [ openssl_def ]
* engines = engine_section
* [ engine_section ]
* pkcs11 = pkcs11_section
* [ pkcs11_section ]
* PIN = my___pin
*/
const char *pre_cmds[] = {
"SO_PATH", PKCS11_SO_PATH,
"LOAD", NULL,
"MODULE_PATH", PKCS11_MODULE_PATH
};
const char *post_cmds[] = {
/* "PIN", "my___pin" */
};
result = dst__openssl_load_engine("pkcs11", "pkcs11",
pre_cmds, 0,
post_cmds, /*1*/ 0);
if (result != ISC_R_SUCCESS)
goto cleanup_rm;
}
#endif /* USE_PKCS11 */
if (engine_id != NULL) {
e = ENGINE_by_id(engine_id);
if (e == NULL) {
result = ISC_R_NOTFOUND;
goto cleanup_rm;
}
if (!ENGINE_init(e)) {
result = ISC_R_FAILURE;
ENGINE_free(e);
goto cleanup_rm;
}
ENGINE_set_default(e, ENGINE_METHOD_ALL);
ENGINE_free(e);
} else {
ENGINE_register_all_complete();
for (e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) {
/*
* Something weird here. If we call ENGINE_finish()
* ENGINE_get_default_RAND() will fail.
*/
if (ENGINE_init(e)) {
if (he == NULL)
he = e;
}
}
}
re = ENGINE_get_default_RAND();
if (re == NULL) {
re = ENGINE_new();
if (re == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_rm;
}
ENGINE_set_RAND(re, rm);
ENGINE_set_default_RAND(re);
ENGINE_free(re);
} else
ENGINE_finish(re);
#else
RAND_set_rand_method(rm);
#endif /* USE_ENGINE */
return (ISC_R_SUCCESS);
#ifdef USE_ENGINE
cleanup_rm:
mem_free(rm);
#endif
cleanup_mutexinit:
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
cleanup_mutexalloc:
mem_free(locks);
return (result);
}