Modify the DEVRANDOM source so that the files are kept open persistently.
[openssl.git] / crypto / rand / rand_lib.c
index 1a9a7d2..d31735c 100644 (file)
@@ -324,8 +324,13 @@ DEFINE_RUN_ONCE_STATIC(do_rand_init)
     if (rand_nonce_lock == NULL)
         goto err2;
 
+    if (!rand_pool_init())
+        goto err3;
+
     return 1;
 
+err3:
+    rand_pool_cleanup();
 err2:
     CRYPTO_THREAD_lock_free(rand_meth_lock);
     rand_meth_lock = NULL;
@@ -343,6 +348,7 @@ void rand_cleanup_int(void)
 
     if (meth != NULL && meth->cleanup != NULL)
         meth->cleanup();
+    rand_pool_cleanup();
     RAND_set_rand_method(NULL);
 #ifndef OPENSSL_NO_ENGINE
     CRYPTO_THREAD_lock_free(rand_engine_lock);
@@ -354,6 +360,15 @@ void rand_cleanup_int(void)
     rand_nonce_lock = NULL;
 }
 
+/*
+ * RAND_close_seed_files() ensures that any seed file decriptors are
+ * closed after use.
+ */
+void RAND_keep_random_devices_open(int keep)
+{
+    rand_pool_keep_random_devices_open(keep);
+}
+
 /*
  * RAND_poll() reseeds the default RNG using random input
  *