zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_init.c b/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_init.c
new file mode 100644
index 0000000..6c9063f
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_init.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2001-2017 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "e_os.h"
+#include "eng_local.h"
+
+/*
+ * Initialise a engine type for use (or up its functional reference count if
+ * it's already in use). This version is only used internally.
+ */
+int engine_unlocked_init(ENGINE *e)
+{
+ int to_return = 1;
+
+ if ((e->funct_ref == 0) && e->init)
+ /*
+ * This is the first functional reference and the engine requires
+ * initialisation so we do it now.
+ */
+ to_return = e->init(e);
+ if (to_return) {
+ /*
+ * OK, we return a functional reference which is also a structural
+ * reference.
+ */
+ e->struct_ref++;
+ e->funct_ref++;
+ engine_ref_debug(e, 0, 1);
+ engine_ref_debug(e, 1, 1);
+ }
+ return to_return;
+}
+
+/*
+ * Free a functional reference to a engine type. This version is only used
+ * internally.
+ */
+int engine_unlocked_finish(ENGINE *e, int unlock_for_handlers)
+{
+ int to_return = 1;
+
+ /*
+ * Reduce the functional reference count here so if it's the terminating
+ * case, we can release the lock safely and call the finish() handler
+ * without risk of a race. We get a race if we leave the count until
+ * after and something else is calling "finish" at the same time -
+ * there's a chance that both threads will together take the count from 2
+ * to 0 without either calling finish().
+ */
+ e->funct_ref--;
+ engine_ref_debug(e, 1, -1);
+ if ((e->funct_ref == 0) && e->finish) {
+ if (unlock_for_handlers)
+ CRYPTO_THREAD_unlock(global_engine_lock);
+ to_return = e->finish(e);
+ if (unlock_for_handlers)
+ CRYPTO_THREAD_write_lock(global_engine_lock);
+ if (!to_return)
+ return 0;
+ }
+ REF_ASSERT_ISNT(e->funct_ref < 0);
+ /* Release the structural reference too */
+ if (!engine_free_util(e, 0)) {
+ ENGINEerr(ENGINE_F_ENGINE_UNLOCKED_FINISH, ENGINE_R_FINISH_FAILED);
+ return 0;
+ }
+ return to_return;
+}
+
+/* The API (locked) version of "init" */
+int ENGINE_init(ENGINE *e)
+{
+ int ret;
+ if (e == NULL) {
+ ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+ if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
+ ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ CRYPTO_THREAD_write_lock(global_engine_lock);
+ ret = engine_unlocked_init(e);
+ CRYPTO_THREAD_unlock(global_engine_lock);
+ return ret;
+}
+
+/* The API (locked) version of "finish" */
+int ENGINE_finish(ENGINE *e)
+{
+ int to_return = 1;
+
+ if (e == NULL)
+ return 1;
+ CRYPTO_THREAD_write_lock(global_engine_lock);
+ to_return = engine_unlocked_finish(e, 1);
+ CRYPTO_THREAD_unlock(global_engine_lock);
+ if (!to_return) {
+ ENGINEerr(ENGINE_F_ENGINE_FINISH, ENGINE_R_FINISH_FAILED);
+ return 0;
+ }
+ return to_return;
+}