STORE: Add the base functions to support provider based loaders

[openssl.git] / include / internal / bio.h

diff --git a/include/internal/bio.h b/include/internal/bio.h
index 3b6a6ac4d2d519c212f2c43016aeeae6c0270b8c..2fb0d5cb76f458533bd1c617fe37761f968663c2 100644 (file)
--- a/include/internal/bio.h
+++ b/include/internal/bio.h
@@ -1,26 +1,72 @@
 /*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (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
  */
 
+#ifndef OSSL_INTERNAL_BIO_H
+# define OSSL_INTERNAL_BIO_H
+
 #include <openssl/bio.h>
 
 struct bio_method_st {
     int type;
-    const char *name;
-    int (*bwrite) (BIO *, const char *, int);
-    int (*bread) (BIO *, char *, int);
+    char *name;
+    int (*bwrite) (BIO *, const char *, size_t, size_t *);
+    int (*bwrite_old) (BIO *, const char *, int);
+    int (*bread) (BIO *, char *, size_t, size_t *);
+    int (*bread_old) (BIO *, char *, int);
     int (*bputs) (BIO *, const char *);
     int (*bgets) (BIO *, char *, int);
     long (*ctrl) (BIO *, int, long, void *);
     int (*create) (BIO *);
     int (*destroy) (BIO *);
-    long (*callback_ctrl) (BIO *, int, bio_info_cb *);
+    long (*callback_ctrl) (BIO *, int, BIO_info_cb *);
 };
 
 void bio_free_ex_data(BIO *bio);
 void bio_cleanup(void);
+
+
+/* Old style to new style BIO_METHOD conversion functions */
+int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written);
+int bread_conv(BIO *bio, char *data, size_t datal, size_t *read);
+
+/* Changes to these internal BIOs must also update include/openssl/bio.h */
+# define BIO_CTRL_SET_KTLS                      72
+# define BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG     74
+# define BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG        75
+
+/*
+ * This is used with socket BIOs:
+ * BIO_FLAGS_KTLS_TX means we are using ktls with this BIO for sending.
+ * BIO_FLAGS_KTLS_TX_CTRL_MSG means we are about to send a ctrl message next.
+ * BIO_FLAGS_KTLS_RX means we are using ktls with this BIO for receiving.
+ */
+# define BIO_FLAGS_KTLS_TX          0x800
+# define BIO_FLAGS_KTLS_TX_CTRL_MSG 0x1000
+# define BIO_FLAGS_KTLS_RX          0x2000
+
+/* KTLS related controls and flags */
+# define BIO_set_ktls_flag(b, is_tx) \
+    BIO_set_flags(b, (is_tx) ? BIO_FLAGS_KTLS_TX : BIO_FLAGS_KTLS_RX)
+# define BIO_should_ktls_flag(b, is_tx) \
+    BIO_test_flags(b, (is_tx) ? BIO_FLAGS_KTLS_TX : BIO_FLAGS_KTLS_RX)
+# define BIO_set_ktls_ctrl_msg_flag(b) \
+    BIO_set_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG)
+# define BIO_should_ktls_ctrl_msg_flag(b) \
+    BIO_test_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG)
+# define BIO_clear_ktls_ctrl_msg_flag(b) \
+    BIO_clear_flags(b, BIO_FLAGS_KTLS_TX_CTRL_MSG)
+
+#  define BIO_set_ktls(b, keyblob, is_tx)   \
+     BIO_ctrl(b, BIO_CTRL_SET_KTLS, is_tx, keyblob)
+#  define BIO_set_ktls_ctrl_msg(b, record_type)   \
+     BIO_ctrl(b, BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG, record_type, NULL)
+#  define BIO_clear_ktls_ctrl_msg(b) \
+     BIO_ctrl(b, BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG, 0, NULL)
+
+#endif