#include "ssllib.h"
#include <openssl/ssl.h>
#include <time.h>
#include "auxlib.h"


#if OPENSSL_VERSION_NUMBER < 0x10100000L
static mutex_t *openssl_locks;

static void cb_openssl_threadid(CRYPTO_THREADID *tid) {
	pthread_t me;

	me = pthread_self();

	if (sizeof(me) == sizeof(void *))
		CRYPTO_THREADID_set_pointer(tid, (void *) me);
	else
		CRYPTO_THREADID_set_numeric(tid, (unsigned long) me);
}

static void cb_openssl_lock(int mode, int type, const char *file, int line) {
	if ((mode & CRYPTO_LOCK))
		mutex_lock(&openssl_locks[type]);
	else
		mutex_unlock(&openssl_locks[type]);
}

static void make_OpenSSL_thread_safe(void) {
	int i;

	openssl_locks = malloc(sizeof(*openssl_locks) * CRYPTO_num_locks());
	for (i = 0; i < CRYPTO_num_locks(); i++)
		mutex_init(&openssl_locks[i]);

	CRYPTO_THREADID_set_callback(cb_openssl_threadid);
	CRYPTO_set_locking_callback(cb_openssl_lock);
}
#else
static void make_OpenSSL_thread_safe(void) {
	;
}
#endif


void rtpe_ssl_init(void) {
	struct timespec ts;
	clock_gettime(CLOCK_REALTIME, &ts);
	srandom(ts.tv_sec ^ ts.tv_nsec);
	SSL_library_init();
	SSL_load_error_strings();
	make_OpenSSL_thread_safe();
}