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ssl.c
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ssl.c
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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "tcn.h"
#include "apr_file_io.h"
#include "apr_thread_mutex.h"
#include "apr_atomic.h"
#include "apr_poll.h"
#ifdef __linux__
#include <sys/syscall.h>
#endif
#ifdef HAVE_OPENSSL
#include "ssl_private.h"
static int ssl_initialized = 0;
static char *ssl_global_rand_file = NULL;
extern apr_pool_t *tcn_global_pool;
ENGINE *tcn_ssl_engine = NULL;
tcn_pass_cb_t tcn_password_callback;
#ifdef HAVE_KEYLOG_CALLBACK
static BIO *key_log_file = NULL;
static void ssl_keylog_callback(const SSL *ssl, const char *line)
{
if (key_log_file && line && *line) {
BIO_puts(key_log_file, line);
BIO_puts(key_log_file, "\n");
}
}
#endif
/* From netty-tcnative */
static jclass byteArrayClass;
static jclass stringClass;
#if OPENSSL_VERSION_NUMBER < 0x10100000L
/* Global reference to the pool used by the dynamic mutexes */
static apr_pool_t *dynlockpool = NULL;
/* Dynamic lock structure */
struct CRYPTO_dynlock_value {
apr_pool_t *pool;
const char* file;
int line;
apr_thread_mutex_t *mutex;
};
#if ! (defined(WIN32) || defined(WIN64))
apr_threadkey_t *thread_exit_key;
static int threadkey_initialized = 0;
#endif
#endif
/*
* supported_ssl_opts is a bitmask that contains all supported SSL_OP_*
* options at compile-time. This is used in hasOp to determine which
* SSL_OP_* options are available at runtime.
*
* Note that at least up through OpenSSL 0.9.8o, checking SSL_OP_ALL will
* return JNI_FALSE because SSL_OP_ALL is a mask that covers all bug
* workarounds for OpenSSL including future workarounds that are defined
* to be in the least-significant 3 nibbles of the SSL_OP_* bit space.
*
* This implementation has chosen NOT to simply set all those lower bits
* so that the return value for SSL_OP_FUTURE_WORKAROUND will only be
* reported by versions that actually support that specific workaround.
*/
static const jint supported_ssl_opts = 0
/*
Specifically skip SSL_OP_ALL
#ifdef SSL_OP_ALL
| SSL_OP_ALL
#endif
*/
#ifdef SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION
| SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION
#endif
#ifdef SSL_OP_CIPHER_SERVER_PREFERENCE
| SSL_OP_CIPHER_SERVER_PREFERENCE
#endif
#ifdef SSL_OP_CRYPTOPRO_TLSEXT_BUG
| SSL_OP_CRYPTOPRO_TLSEXT_BUG
#endif
#ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
| SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
#endif
#ifdef SSL_OP_EPHEMERAL_RSA
| SSL_OP_EPHEMERAL_RSA
#endif
#ifdef SSL_OP_LEGACY_SERVER_CONNECT
| SSL_OP_LEGACY_SERVER_CONNECT
#endif
#ifdef SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER
| SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER
#endif
#ifdef SSL_OP_MICROSOFT_SESS_ID_BUG
| SSL_OP_MICROSOFT_SESS_ID_BUG
#endif
#ifdef SSL_OP_MSIE_SSLV2_RSA_PADDING
| SSL_OP_MSIE_SSLV2_RSA_PADDING
#endif
#ifdef SSL_OP_NETSCAPE_CA_DN_BUG
| SSL_OP_NETSCAPE_CA_DN_BUG
#endif
#ifdef SSL_OP_NETSCAPE_CHALLENGE_BUG
| SSL_OP_NETSCAPE_CHALLENGE_BUG
#endif
#ifdef SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG
| SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG
#endif
#ifdef SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
| SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
#endif
#ifdef SSL_OP_NO_COMPRESSION
| SSL_OP_NO_COMPRESSION
#endif
#ifdef SSL_OP_NO_QUERY_MTU
| SSL_OP_NO_QUERY_MTU
#endif
#ifdef SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
| SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
#endif
#ifdef SSL_OP_NO_SSLv2
| SSL_OP_NO_SSLv2
#endif
#ifdef SSL_OP_NO_SSLv3
| SSL_OP_NO_SSLv3
#endif
#ifdef SSL_OP_NO_TICKET
| SSL_OP_NO_TICKET
#endif
#ifdef SSL_OP_NO_TLSv1
| SSL_OP_NO_TLSv1
#endif
#ifdef SSL_OP_PKCS1_CHECK_1
| SSL_OP_PKCS1_CHECK_1
#endif
#ifdef SSL_OP_PKCS1_CHECK_2
| SSL_OP_PKCS1_CHECK_2
#endif
#ifdef SSL_OP_NO_TLSv1_1
| SSL_OP_NO_TLSv1_1
#endif
#ifdef SSL_OP_NO_TLSv1_2
| SSL_OP_NO_TLSv1_2
#endif
#ifdef SSL_OP_SINGLE_DH_USE
| SSL_OP_SINGLE_DH_USE
#endif
#ifdef SSL_OP_SINGLE_ECDH_USE
| SSL_OP_SINGLE_ECDH_USE
#endif
#ifdef SSL_OP_SSLEAY_080_CLIENT_DH_BUG
| SSL_OP_SSLEAY_080_CLIENT_DH_BUG
#endif
#ifdef SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG
| SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG
#endif
#ifdef SSL_OP_TLS_BLOCK_PADDING_BUG
| SSL_OP_TLS_BLOCK_PADDING_BUG
#endif
#ifdef SSL_OP_TLS_D5_BUG
| SSL_OP_TLS_D5_BUG
#endif
#ifdef SSL_OP_TLS_ROLLBACK_BUG
| SSL_OP_TLS_ROLLBACK_BUG
#endif
| 0;
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
/* OpenSSL Pre-1.1.0 compatibility */
/* Taken from OpenSSL 1.1.0 snapshot 20160410 */
int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
{
/* q is optional */
if (p == NULL || g == NULL)
return 0;
BN_free(dh->p);
BN_free(dh->q);
BN_free(dh->g);
dh->p = p;
dh->q = q;
dh->g = g;
if (q != NULL) {
dh->length = BN_num_bits(q);
}
return 1;
}
#endif
/*
* Grab well-defined DH parameters from OpenSSL, see the BN_get_rfc*
* functions in <openssl/bn.h> for all available primes.
*/
static DH *make_dh_params(BIGNUM *(*prime)(BIGNUM *))
{
DH *dh = DH_new();
BIGNUM *p, *g;
if (!dh) {
return NULL;
}
p = prime(NULL);
g = BN_new();
if (g != NULL) {
BN_set_word(g, 2);
}
if (!p || !g || !DH_set0_pqg(dh, p, NULL, g)) {
DH_free(dh);
BN_free(p);
BN_free(g);
return NULL;
}
return dh;
}
/* Storage and initialization for DH parameters. */
static struct dhparam {
BIGNUM *(*const prime)(BIGNUM *); /* function to generate... */
DH *dh; /* ...this, used for keys.... */
const unsigned int min; /* ...of length >= this. */
} dhparams[] = {
{ BN_get_rfc3526_prime_8192, NULL, 6145 },
{ BN_get_rfc3526_prime_6144, NULL, 4097 },
{ BN_get_rfc3526_prime_4096, NULL, 3073 },
{ BN_get_rfc3526_prime_3072, NULL, 2049 },
{ BN_get_rfc3526_prime_2048, NULL, 1025 },
{ BN_get_rfc2409_prime_1024, NULL, 0 }
};
static void init_dh_params(void)
{
unsigned n;
for (n = 0; n < sizeof(dhparams)/sizeof(dhparams[0]); n++)
dhparams[n].dh = make_dh_params(dhparams[n].prime);
}
static void free_dh_params(void)
{
unsigned n;
/* DH_free() is a noop for a NULL parameter, so these are harmless
* in the (unexpected) case where these variables are already
* NULL. */
for (n = 0; n < sizeof(dhparams)/sizeof(dhparams[0]); n++) {
DH_free(dhparams[n].dh);
dhparams[n].dh = NULL;
}
}
#ifdef HAVE_KEYLOG_CALLBACK
void SSL_callback_add_keylog(SSL_CTX *ctx)
{
if (key_log_file) {
SSL_CTX_set_keylog_callback(ctx, ssl_keylog_callback);
}
}
#endif
/* Hand out the same DH structure though once generated as we leak
* memory otherwise and freeing the structure up after use would be
* hard to track and in fact is not needed at all as it is safe to
* use the same parameters over and over again security wise (in
* contrast to the keys itself) and code safe as the returned structure
* is duplicated by OpenSSL anyway. Hence no modification happens
* to our copy. */
DH *SSL_get_dh_params(unsigned keylen)
{
unsigned n;
for (n = 0; n < sizeof(dhparams)/sizeof(dhparams[0]); n++)
if (keylen >= dhparams[n].min)
return dhparams[n].dh;
return NULL; /* impossible to reach. */
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
static void init_bio_methods(void);
static void free_bio_methods(void);
#endif
TCN_IMPLEMENT_CALL(jint, SSL, version)(TCN_STDARGS)
{
UNREFERENCED_STDARGS;
return OpenSSL_version_num();
}
TCN_IMPLEMENT_CALL(jstring, SSL, versionString)(TCN_STDARGS)
{
UNREFERENCED(o);
return AJP_TO_JSTRING(OpenSSL_version(OPENSSL_VERSION));
}
/*
* the various processing hooks
*/
static apr_status_t ssl_init_cleanup(void *data)
{
UNREFERENCED(data);
if (!ssl_initialized)
return APR_SUCCESS;
ssl_initialized = 0;
#if OPENSSL_VERSION_NUMBER < 0x10100000L && ! (defined(WIN32) || defined(WIN64))
if (threadkey_initialized) {
threadkey_initialized = 0;
apr_threadkey_private_delete(thread_exit_key);
}
#endif
if (tcn_password_callback.cb.obj) {
JNIEnv *env;
tcn_get_java_env(&env);
TCN_UNLOAD_CLASS(env,
tcn_password_callback.cb.obj);
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
free_bio_methods();
#endif
free_dh_params();
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
/* Openssl v1.1+ handles all termination automatically. Do
* nothing in this case.
*/
#else
/*
* Try to kill the internals of the SSL library.
*/
#ifdef OPENSSL_FIPS
FIPS_mode_set(0);
#endif
/* Corresponds to OPENSSL_load_builtin_modules() */
CONF_modules_free();
/* Corresponds to SSL_library_init: */
EVP_cleanup();
#if HAVE_ENGINE_LOAD_BUILTIN_ENGINES
ENGINE_cleanup();
#endif
#if OPENSSL_VERSION_NUMBER >= 0x1000200fL
#ifndef OPENSSL_NO_COMP
SSL_COMP_free_compression_methods();
#endif
#endif
CRYPTO_cleanup_all_ex_data();
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
ERR_remove_thread_state(NULL);
#endif
#endif
#ifdef HAVE_KEYLOG_CALLBACK
if (key_log_file) {
BIO_free(key_log_file);
key_log_file = NULL;
}
#endif
/* Don't call ERR_free_strings here; ERR_load_*_strings only
* actually load the error strings once per process due to static
* variable abuse in OpenSSL. */
/*
* TODO: determine somewhere we can safely shove out diagnostics
* (when enabled) at this late stage in the game:
* CRYPTO_mem_leaks_fp(stderr);
*/
return APR_SUCCESS;
}
#ifndef OPENSSL_NO_ENGINE
/* Try to load an engine in a shareable library */
static ENGINE *ssl_try_load_engine(const char *engine)
{
ENGINE *e = ENGINE_by_id("dynamic");
if (e) {
if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
ENGINE_free(e);
e = NULL;
}
}
return e;
}
#endif
/*
* To ensure thread-safetyness in OpenSSL
*/
#if OPENSSL_VERSION_NUMBER < 0x10100000L
static apr_thread_mutex_t **ssl_lock_cs;
static int ssl_lock_num_locks;
static void ssl_thread_lock(int mode, int type,
const char *file, int line)
{
UNREFERENCED(file);
UNREFERENCED(line);
if (type < ssl_lock_num_locks) {
if (mode & CRYPTO_LOCK) {
apr_thread_mutex_lock(ssl_lock_cs[type]);
}
else {
apr_thread_mutex_unlock(ssl_lock_cs[type]);
}
}
}
#endif
static unsigned long ssl_thread_id(void)
{
/* OpenSSL needs this to return an unsigned long. On OS/390, the pthread
* id is a structure twice that big. Use the TCB pointer instead as a
* unique unsigned long.
*/
#ifdef __MVS__
struct PSA {
char unmapped[540];
unsigned long PSATOLD;
} *psaptr = 0;
return psaptr->PSATOLD;
#elif defined(WIN32)
return (unsigned long)GetCurrentThreadId();
#elif defined(DARWIN)
uint64_t tid;
pthread_threadid_np(NULL, &tid);
return (unsigned long)tid;
#elif defined(__linux__)
return (unsigned long)syscall(SYS_gettid);
#else
return (unsigned long)(apr_os_thread_current());
#endif
}
#if OPENSSL_VERSION_NUMBER < 0x10100000L
#if ! (defined(WIN32) || defined(WIN64))
void SSL_thread_exit(void) {
ERR_remove_thread_state(NULL);
apr_threadkey_private_set(NULL, thread_exit_key);
}
unsigned long SSL_ERR_get() {
apr_threadkey_private_set(thread_exit_key, thread_exit_key);
return ERR_get_error();
}
void SSL_ERR_clear() {
apr_threadkey_private_set(thread_exit_key, thread_exit_key);
ERR_clear_error();
}
static void _ssl_thread_exit(void *data) {
UNREFERENCED(data);
SSL_thread_exit();
}
#endif
static void ssl_set_thread_id(CRYPTO_THREADID *id)
{
CRYPTO_THREADID_set_numeric(id, ssl_thread_id());
}
static apr_status_t ssl_thread_cleanup(void *data)
{
UNREFERENCED(data);
CRYPTO_THREADID_set_callback(NULL);
CRYPTO_set_locking_callback(NULL);
CRYPTO_set_dynlock_create_callback(NULL);
CRYPTO_set_dynlock_lock_callback(NULL);
CRYPTO_set_dynlock_destroy_callback(NULL);
dynlockpool = NULL;
/* Let the registered mutex cleanups do their own thing
*/
return APR_SUCCESS;
}
/*
* Dynamic lock creation callback
*/
static struct CRYPTO_dynlock_value *ssl_dyn_create_function(const char *file,
int line)
{
struct CRYPTO_dynlock_value *value;
apr_pool_t *p;
apr_status_t rv;
/*
* We need a pool to allocate our mutex. Since we can't clear
* allocated memory from a pool, create a subpool that we can blow
* away in the destruction callback.
*/
rv = apr_pool_create(&p, dynlockpool);
if (rv != APR_SUCCESS) {
/* TODO log that fprintf(stderr, "Failed to create subpool for dynamic lock"); */
return NULL;
}
value = (struct CRYPTO_dynlock_value *)apr_palloc(p,
sizeof(struct CRYPTO_dynlock_value));
if (!value) {
/* TODO log that fprintf(stderr, "Failed to allocate dynamic lock structure"); */
return NULL;
}
value->pool = p;
/* Keep our own copy of the place from which we were created,
using our own pool. */
value->file = apr_pstrdup(p, file);
value->line = line;
rv = apr_thread_mutex_create(&(value->mutex), APR_THREAD_MUTEX_DEFAULT,
p);
if (rv != APR_SUCCESS) {
/* TODO log that fprintf(stderr, "Failed to create thread mutex for dynamic lock"); */
apr_pool_destroy(p);
return NULL;
}
return value;
}
/*
* Dynamic locking and unlocking function
*/
static void ssl_dyn_lock_function(int mode, struct CRYPTO_dynlock_value *l,
const char *file, int line)
{
if (mode & CRYPTO_LOCK) {
apr_thread_mutex_lock(l->mutex);
}
else {
apr_thread_mutex_unlock(l->mutex);
}
}
/*
* Dynamic lock destruction callback
*/
static void ssl_dyn_destroy_function(struct CRYPTO_dynlock_value *l,
const char *file, int line)
{
apr_status_t rv;
rv = apr_thread_mutex_destroy(l->mutex);
if (rv != APR_SUCCESS) {
/* TODO log that fprintf(stderr, "Failed to destroy mutex for dynamic lock %s:%d", l->file, l->line); */
}
/* Trust that whomever owned the CRYPTO_dynlock_value we were
* passed has no future use for it...
*/
apr_pool_destroy(l->pool);
}
static void ssl_thread_setup(apr_pool_t *p)
{
int i;
CRYPTO_THREADID_set_callback(ssl_set_thread_id);
ssl_lock_num_locks = CRYPTO_num_locks();
ssl_lock_cs = apr_palloc(p, ssl_lock_num_locks * sizeof(*ssl_lock_cs));
for (i = 0; i < ssl_lock_num_locks; i++) {
apr_thread_mutex_create(&(ssl_lock_cs[i]),
APR_THREAD_MUTEX_DEFAULT, p);
}
CRYPTO_set_locking_callback(ssl_thread_lock);
/* Set up dynamic locking scaffolding for OpenSSL to use at its
* convenience.
*/
dynlockpool = p;
CRYPTO_set_dynlock_create_callback(ssl_dyn_create_function);
CRYPTO_set_dynlock_lock_callback(ssl_dyn_lock_function);
CRYPTO_set_dynlock_destroy_callback(ssl_dyn_destroy_function);
apr_pool_cleanup_register(p, NULL, ssl_thread_cleanup,
apr_pool_cleanup_null);
}
#endif
static int ssl_rand_choosenum(int l, int h)
{
int i;
char buf[50];
apr_snprintf(buf, sizeof(buf), "%.0f",
(((double)(rand()%RAND_MAX)/RAND_MAX)*(h-l)));
i = atoi(buf)+1;
if (i < l) i = l;
if (i > h) i = h;
return i;
}
static int ssl_rand_load_file(const char *file)
{
char buffer[APR_PATH_MAX];
int n;
if (file == NULL)
file = ssl_global_rand_file;
if (file && (strcmp(file, "builtin") == 0))
return -1;
if (file == NULL)
file = RAND_file_name(buffer, sizeof(buffer));
if (file) {
if (strncmp(file, "egd:", 4) == 0) {
#ifndef OPENSSL_NO_EGD
if ((n = RAND_egd(file + 4)) > 0)
return n;
else
#endif
return -1;
}
if ((n = RAND_load_file(file, -1)) > 0)
return n;
}
return -1;
}
/*
* writes a number of random bytes (currently 1024) to
* file which can be used to initialize the PRNG by calling
* RAND_load_file() in a later session
*/
static int ssl_rand_save_file(const char *file)
{
char buffer[APR_PATH_MAX];
#ifndef OPENSSL_NO_EGD
int n;
#endif
if (file == NULL)
file = RAND_file_name(buffer, sizeof(buffer));
#ifndef OPENSSL_NO_EGD
else if ((n = RAND_egd(file)) > 0) {
return 0;
}
#endif
if (file == NULL || !RAND_write_file(file))
return 0;
else
return 1;
}
int SSL_rand_seed(const char *file)
{
unsigned char stackdata[256];
static volatile apr_uint32_t counter = 0;
if (ssl_rand_load_file(file) < 0) {
int n;
struct {
apr_time_t t;
pid_t p;
unsigned long i;
apr_uint32_t u;
} _ssl_seed;
if (counter == 0) {
apr_generate_random_bytes(stackdata, 256);
RAND_seed(stackdata, 128);
}
_ssl_seed.t = apr_time_now();
_ssl_seed.p = getpid();
_ssl_seed.i = ssl_thread_id();
apr_atomic_inc32(&counter);
_ssl_seed.u = counter;
RAND_seed((unsigned char *)&_ssl_seed, sizeof(_ssl_seed));
/*
* seed in some current state of the run-time stack (128 bytes)
*/
n = ssl_rand_choosenum(0, sizeof(stackdata)-128-1);
RAND_seed(stackdata + n, 128);
}
return RAND_status();
}
static int ssl_rand_make(const char *file, int len, int base64)
{
int r;
int num = len;
BIO *out = NULL;
out = BIO_new(BIO_s_file());
if (out == NULL)
return 0;
if ((r = BIO_write_filename(out, (char *)file)) < 0) {
BIO_free_all(out);
return 0;
}
if (base64) {
BIO *b64 = BIO_new(BIO_f_base64());
if (b64 == NULL) {
BIO_free_all(out);
return 0;
}
out = BIO_push(b64, out);
}
while (num > 0) {
unsigned char buf[4096];
int len = num;
if (len > sizeof(buf))
len = sizeof(buf);
r = RAND_bytes(buf, len);
if (r <= 0) {
BIO_free_all(out);
return 0;
}
BIO_write(out, buf, len);
num -= len;
}
r = BIO_flush(out);
BIO_free_all(out);
return r > 0 ? 1 : 0;
}
TCN_IMPLEMENT_CALL(jint, SSL, initialize)(TCN_STDARGS, jstring engine)
{
jclass clazz;
jclass sClazz;
#if !defined(OPENSSL_NO_ENGINE) || OPENSSL_VERSION_NUMBER < 0x10100000L
apr_status_t err = APR_SUCCESS;
#endif
TCN_ALLOC_CSTRING(engine);
UNREFERENCED(o);
if (!tcn_global_pool) {
TCN_FREE_CSTRING(engine);
tcn_ThrowAPRException(e, APR_EINVAL);
return (jint)APR_EINVAL;
}
/* Check if already initialized */
if (ssl_initialized++) {
TCN_FREE_CSTRING(engine);
return (jint)APR_SUCCESS;
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
/* Openssl v1.1+ handles all initialisation automatically, apart
* from hints as to how we want to use the library.
*
* We tell openssl we want to include engine support.
*/
OPENSSL_init_ssl(OPENSSL_INIT_ENGINE_ALL_BUILTIN, NULL);
#else
/* We must register the library in full, to ensure our configuration
* code can successfully test the SSL environment.
*/
OPENSSL_malloc_init();
ERR_load_crypto_strings();
SSL_load_error_strings();
SSL_library_init();
OpenSSL_add_all_algorithms();
#if HAVE_ENGINE_LOAD_BUILTIN_ENGINES
ENGINE_load_builtin_engines();
#endif
OPENSSL_load_builtin_modules();
#if ! (defined(WIN32) || defined(WIN64))
err = apr_threadkey_private_create(&thread_exit_key, _ssl_thread_exit,
tcn_global_pool);
if (err != APR_SUCCESS) {
ssl_init_cleanup(NULL);
tcn_ThrowAPRException(e, err);
return (jint)err;
}
threadkey_initialized = 1;
#endif
/* Initialize thread support */
ssl_thread_setup(tcn_global_pool);
#endif
#ifndef OPENSSL_NO_ENGINE
if (J2S(engine)) {
ENGINE *ee = NULL;
if(strcmp(J2S(engine), "auto") == 0) {
ENGINE_register_all_complete();
}
else {
if ((ee = ENGINE_by_id(J2S(engine))) == NULL
&& (ee = ssl_try_load_engine(J2S(engine))) == NULL)
err = APR_ENOTIMPL;
else {
#ifdef ENGINE_CTRL_CHIL_SET_FORKCHECK
if (strcmp(J2S(engine), "chil") == 0)
ENGINE_ctrl(ee, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0);
#endif
if (!ENGINE_set_default(ee, ENGINE_METHOD_ALL))
err = APR_ENOTIMPL;
}
/* Free our "structural" reference. */
if (ee)
ENGINE_free(ee);
}
if (err != APR_SUCCESS) {
TCN_FREE_CSTRING(engine);
ssl_init_cleanup(NULL);
tcn_ThrowAPRException(e, err);
return (jint)err;
}
tcn_ssl_engine = ee;
}
#endif
memset(&tcn_password_callback, 0, sizeof(tcn_pass_cb_t));
/* Initialize PRNG
* This will in most cases call the builtin
* low entropy seed.
*/
SSL_rand_seed(NULL);
/* For SSL_get_app_data2(), SSL_get_app_data3() and SSL_get_app_data4() at request time */
SSL_init_app_data_idx();
init_dh_params();
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
init_bio_methods();
#endif
/*
* Let us cleanup the ssl library when the library is unloaded
*/
apr_pool_cleanup_register(tcn_global_pool, NULL,
ssl_init_cleanup,
apr_pool_cleanup_null);
TCN_FREE_CSTRING(engine);
/* Cache the byte[].class for performance reasons */
clazz = (*e)->FindClass(e, "[B");
byteArrayClass = (jclass) (*e)->NewGlobalRef(e, clazz);
/* Cache the String.class for performance reasons */
sClazz = (*e)->FindClass(e, "java/lang/String");
stringClass = (jclass) (*e)->NewGlobalRef(e, sClazz);
#ifdef HAVE_KEYLOG_CALLBACK
if (!key_log_file) {
char *key_log_file_name = getenv("SSLKEYLOGFILE");
if (key_log_file_name) {
FILE *file = fopen(key_log_file_name, "a");
if (file) {
if (setvbuf(file, NULL, _IONBF, 0)) {
fclose(file);
} else {
key_log_file = BIO_new_fp(file, BIO_CLOSE);
}
}
}
}
#endif
return (jint)APR_SUCCESS;
}
TCN_IMPLEMENT_CALL(jboolean, SSL, randLoad)(TCN_STDARGS, jstring file)
{
TCN_ALLOC_CSTRING(file);
int r;
UNREFERENCED(o);
r = SSL_rand_seed(J2S(file));
TCN_FREE_CSTRING(file);
return r ? JNI_TRUE : JNI_FALSE;
}
TCN_IMPLEMENT_CALL(jboolean, SSL, randSave)(TCN_STDARGS, jstring file)
{
TCN_ALLOC_CSTRING(file);
int r;
UNREFERENCED(o);
r = ssl_rand_save_file(J2S(file));
TCN_FREE_CSTRING(file);
return r ? JNI_TRUE : JNI_FALSE;
}
TCN_IMPLEMENT_CALL(jboolean, SSL, randMake)(TCN_STDARGS, jstring file,
jint length, jboolean base64)
{
TCN_ALLOC_CSTRING(file);
int r;
UNREFERENCED(o);
r = ssl_rand_make(J2S(file), length, base64);
TCN_FREE_CSTRING(file);
return r ? JNI_TRUE : JNI_FALSE;
}
TCN_IMPLEMENT_CALL(void, SSL, randSet)(TCN_STDARGS, jstring file)
{
TCN_ALLOC_CSTRING(file);
UNREFERENCED(o);
if (J2S(file)) {
ssl_global_rand_file = apr_pstrdup(tcn_global_pool, J2S(file));
}
TCN_FREE_CSTRING(file);
}
TCN_IMPLEMENT_CALL(jint, SSL, fipsModeGet)(TCN_STDARGS)
{
UNREFERENCED(o);
#ifdef OPENSSL_FIPS
return FIPS_mode();
#else
/* FIPS is unavailable */
tcn_ThrowException(e, "FIPS was not available to tcnative at build time. You will need to re-build tcnative against an OpenSSL with FIPS.");
return 0;
#endif
}
TCN_IMPLEMENT_CALL(jint, SSL, fipsModeSet)(TCN_STDARGS, jint mode)
{
int r = 0;
UNREFERENCED(o);
#ifdef OPENSSL_FIPS
if(1 != (r = (jint)FIPS_mode_set((int)mode))) {
/* arrange to get a human-readable error message */
unsigned long err = SSL_ERR_get();
char msg[256];
/* ERR_load_crypto_strings() already called in initialize() */
ERR_error_string_n(err, msg, 256);
tcn_ThrowException(e, msg);
}
#else
/* FIPS is unavailable */
tcn_ThrowException(e, "FIPS was not available to tcnative at build time. You will need to re-build tcnative against an OpenSSL with FIPS.");
#endif
return r;
}
/* OpenSSL Java Stream BIO */
typedef struct {
int refcount;
apr_pool_t *pool;
tcn_callback_t cb;
} BIO_JAVA;
static apr_status_t generic_bio_cleanup(void *data)
{
BIO *b = (BIO *)data;
if (b) {