Add support to free/allocate SSL buffers

[openssl.git] / include / openssl / ssl.h

diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index bf01f60cd3ccb02ba6bd995e59d7e0332ff1d3e6..c6349378c308feb293d34a3d859546517368f857 100644 (file)
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
  * Copyright 2005 Nokia. All rights reserved.
  *
@@ -282,10 +282,28 @@ typedef int (*SSL_custom_ext_parse_cb_ex) (SSL *s, unsigned int ext_type,
 /* Typedef for verification callback */
 typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
 
+/*
+ * Some values are reserved until OpenSSL 1.2.0 because they were previously
+ * included in SSL_OP_ALL in a 1.1.x release.
+ *
+ * Reserved value (until OpenSSL 1.2.0)                  0x00000001U
+ * Reserved value (until OpenSSL 1.2.0)                  0x00000002U
+ */
 /* Allow initial connection to servers that don't support RI */
 # define SSL_OP_LEGACY_SERVER_CONNECT                    0x00000004U
+
+/* Reserved value (until OpenSSL 1.2.0)                  0x00000008U */
 # define SSL_OP_TLSEXT_PADDING                           0x00000010U
+/* Reserved value (until OpenSSL 1.2.0)                  0x00000020U */
 # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG                   0x00000040U
+/*
+ * Reserved value (until OpenSSL 1.2.0)                  0x00000080U
+ * Reserved value (until OpenSSL 1.2.0)                  0x00000100U
+ * Reserved value (until OpenSSL 1.2.0)                  0x00000200U
+ */
+
+/* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
+# define SSL_OP_ALLOW_NO_DHE_KEX                         0x00000400U
 
 /*
  * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
@@ -424,8 +442,7 @@ typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
 # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
 /*
  * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
- * TLS only.) "Released" buffers are put onto a free-list in the context or
- * just freed (depending on the context's setting for freelist_max_len).
+ * TLS only.) Released buffers are freed.
  */
 # define SSL_MODE_RELEASE_BUFFERS 0x00000010U
 /*
@@ -763,14 +780,6 @@ typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
                                                const char *identity,
                                                unsigned char *psk,
                                                unsigned int max_psk_len);
-typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
-                                            const unsigned char *identity,
-                                            size_t identity_len,
-                                            SSL_SESSION **sess);
-typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
-                                           const unsigned char **id,
-                                           size_t *idlen,
-                                           SSL_SESSION **sess);
 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
 void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
 
@@ -780,12 +789,21 @@ const char *SSL_get_psk_identity_hint(const SSL *s);
 const char *SSL_get_psk_identity(const SSL *s);
 # endif
 
+typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
+                                            const unsigned char *identity,
+                                            size_t identity_len,
+                                            SSL_SESSION **sess);
+typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
+                                           const unsigned char **id,
+                                           size_t *idlen,
+                                           SSL_SESSION **sess);
+
 void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
 void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
                                            SSL_psk_find_session_cb_func cb);
 void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
 void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
-                                           SSL_psk_use_session_cb_func cb);
+                                          SSL_psk_use_session_cb_func cb);
 
 /* Register callbacks to handle custom TLS Extensions for client or server. */
 
@@ -1415,6 +1433,8 @@ __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
 __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
 __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
 __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
+__owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
+__owur const char *OPENSSL_cipher_name(const char *rfc_name);
 __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
 __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
 __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
@@ -1506,8 +1526,11 @@ __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
 __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
 __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
 __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
+__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
+
 __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
 __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
+__owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
 __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
 __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
 void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
@@ -1861,8 +1884,8 @@ __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
                                     size_t outlen);
 __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *ssl,
                                          unsigned char *out, size_t outlen);
-__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess, unsigned char *in,
-                                       size_t len);
+__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
+                                       const unsigned char *in, size_t len);
 
 #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
@@ -2012,7 +2035,6 @@ int SSL_CTX_config(SSL_CTX *ctx, const char *name);
 # ifndef OPENSSL_NO_SSL_TRACE
 void SSL_trace(int write_p, int version, int content_type,
                const void *buf, size_t len, SSL *ssl, void *arg);
-__owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
 # endif
 
 # ifndef OPENSSL_NO_SOCK
@@ -2215,6 +2237,9 @@ int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
 __owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
 # endif
 
+__owur int SSL_free_buffers(SSL *ssl);
+__owur int SSL_alloc_buffers(SSL *ssl);
+
 extern const char SSL_version_str[];
 
 int ERR_load_SSL_strings(void);