1 files changed, 196 insertions, 8 deletions

diff --git a/src/lib/libssl/ssl_methods.c b/src/lib/libssl/ssl_methods.c
index 600aa89095..ea67403d5d 100644
--- a/src/lib/libssl/ssl_methods.c
+++ b/src/lib/libssl/ssl_methods.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_methods.c,v 1.20 2020/10/14 16:44:15 jsing Exp $ */
+/* $OpenBSD: ssl_methods.c,v 1.21 2020/12/01 07:46:02 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -61,6 +61,7 @@
 
 static const SSL_METHOD_INTERNAL DTLSv1_method_internal_data = {
         .dtls = 1,
+        .server = 1,
         .version = DTLS1_VERSION,
         .min_version = DTLS1_VERSION,
         .max_version = DTLS1_VERSION,
@@ -87,10 +88,39 @@ static const SSL_METHOD DTLSv1_method_data = {
         .internal = &DTLSv1_method_internal_data,
 };
 
+static const SSL_METHOD_INTERNAL DTLSv1_client_method_internal_data = {
+        .dtls = 1,
+        .server = 0,
+        .version = DTLS1_VERSION,
+        .min_version = DTLS1_VERSION,
+        .max_version = DTLS1_VERSION,
+        .ssl_new = dtls1_new,
+        .ssl_clear = dtls1_clear,
+        .ssl_free = dtls1_free,
+        .ssl_accept = ssl_undefined_function,
+        .ssl_connect = ssl3_connect,
+        .ssl_shutdown = ssl3_shutdown,
+        .ssl_renegotiate = ssl3_renegotiate,
+        .ssl_renegotiate_check = ssl3_renegotiate_check,
+        .ssl_pending = ssl3_pending,
+        .ssl_read_bytes = dtls1_read_bytes,
+        .ssl_write_bytes = dtls1_write_app_data_bytes,
+        .enc_flags = TLSV1_1_ENC_FLAGS,
+};
+
+static const SSL_METHOD DTLSv1_client_method_data = {
+        .ssl_dispatch_alert = dtls1_dispatch_alert,
+        .num_ciphers = ssl3_num_ciphers,
+        .get_cipher = dtls1_get_cipher,
+        .get_cipher_by_char = ssl3_get_cipher_by_char,
+        .put_cipher_by_char = ssl3_put_cipher_by_char,
+        .internal = &DTLSv1_client_method_internal_data,
+};
+
 const SSL_METHOD *
 DTLSv1_client_method(void)
 {
-        return &DTLSv1_method_data;
+        return &DTLSv1_client_method_data;
 }
 
 const SSL_METHOD *
@@ -108,7 +138,7 @@ DTLSv1_server_method(void)
 const SSL_METHOD *
 DTLS_client_method(void)
 {
-        return DTLSv1_method();
+        return DTLSv1_client_method();
 }
 
 const SSL_METHOD *
@@ -126,6 +156,7 @@ DTLS_server_method(void)
 #if defined(LIBRESSL_HAS_TLS1_3_CLIENT) && defined(LIBRESSL_HAS_TLS1_3_SERVER)
 static const SSL_METHOD_INTERNAL TLS_method_internal_data = {
         .dtls = 0,
+        .server = 1,
         .version = TLS1_3_VERSION,
         .min_version = TLS1_VERSION,
         .max_version = TLS1_3_VERSION,
@@ -155,6 +186,7 @@ static const SSL_METHOD TLS_method_data = {
 
 static const SSL_METHOD_INTERNAL TLS_legacy_method_internal_data = {
         .dtls = 0,
+        .server = 1,
         .version = TLS1_2_VERSION,
         .min_version = TLS1_VERSION,
         .max_version = TLS1_2_VERSION,
@@ -181,8 +213,71 @@ static const SSL_METHOD TLS_legacy_method_data = {
         .internal = &TLS_legacy_method_internal_data,
 };
 
+#if defined(LIBRESSL_HAS_TLS1_3_CLIENT)
+static const SSL_METHOD_INTERNAL TLS_client_method_internal_data = {
+        .dtls = 0,
+        .server = 0,
+        .version = TLS1_3_VERSION,
+        .min_version = TLS1_VERSION,
+        .max_version = TLS1_3_VERSION,
+        .ssl_new = tls1_new,
+        .ssl_clear = tls1_clear,
+        .ssl_free = tls1_free,
+        .ssl_accept = tls13_legacy_accept,
+        .ssl_connect = tls13_legacy_connect,
+        .ssl_shutdown = tls13_legacy_shutdown,
+        .ssl_renegotiate = ssl_undefined_function,
+        .ssl_renegotiate_check = ssl_ok,
+        .ssl_pending = tls13_legacy_pending,
+        .ssl_read_bytes = tls13_legacy_read_bytes,
+        .ssl_write_bytes = tls13_legacy_write_bytes,
+        .enc_flags = TLSV1_3_ENC_FLAGS,
+};
+
+static const SSL_METHOD TLS_client_method_data = {
+        .ssl_dispatch_alert = ssl3_dispatch_alert,
+        .num_ciphers = ssl3_num_ciphers,
+        .get_cipher = ssl3_get_cipher,
+        .get_cipher_by_char = ssl3_get_cipher_by_char,
+        .put_cipher_by_char = ssl3_put_cipher_by_char,
+        .internal = &TLS_client_method_internal_data,
+};
+
+#else
+
+static const SSL_METHOD_INTERNAL TLS_legacy_client_method_internal_data = {
+        .dtls = 0,
+        .server = 0,
+        .version = TLS1_2_VERSION,
+        .min_version = TLS1_VERSION,
+        .max_version = TLS1_2_VERSION,
+        .ssl_new = tls1_new,
+        .ssl_clear = tls1_clear,
+        .ssl_free = tls1_free,
+        .ssl_accept = ssl3_accept,
+        .ssl_connect = ssl3_connect,
+        .ssl_shutdown = ssl3_shutdown,
+        .ssl_renegotiate = ssl_undefined_function,
+        .ssl_renegotiate_check = ssl_ok,
+        .ssl_pending = ssl3_pending,
+        .ssl_read_bytes = ssl3_read_bytes,
+        .ssl_write_bytes = ssl3_write_bytes,
+        .enc_flags = TLSV1_2_ENC_FLAGS,
+};
+
+static const SSL_METHOD TLS_legacy_client_method_data = {
+        .ssl_dispatch_alert = ssl3_dispatch_alert,
+        .num_ciphers = ssl3_num_ciphers,
+        .get_cipher = ssl3_get_cipher,
+        .get_cipher_by_char = ssl3_get_cipher_by_char,
+        .put_cipher_by_char = ssl3_put_cipher_by_char,
+        .internal = &TLS_legacy_client_method_internal_data,
+};
+#endif
+
 static const SSL_METHOD_INTERNAL TLSv1_method_internal_data = {
         .dtls = 0,
+        .server = 1,
         .version = TLS1_VERSION,
         .min_version = TLS1_VERSION,
         .max_version = TLS1_VERSION,
@@ -209,8 +304,38 @@ static const SSL_METHOD TLSv1_method_data = {
         .internal = &TLSv1_method_internal_data,
 };
 
+static const SSL_METHOD_INTERNAL TLSv1_client_method_internal_data = {
+        .dtls = 0,
+        .server = 0,
+        .version = TLS1_VERSION,
+        .min_version = TLS1_VERSION,
+        .max_version = TLS1_VERSION,
+        .ssl_new = tls1_new,
+        .ssl_clear = tls1_clear,
+        .ssl_free = tls1_free,
+        .ssl_accept = ssl_undefined_function,
+        .ssl_connect = ssl3_connect,
+        .ssl_shutdown = ssl3_shutdown,
+        .ssl_renegotiate = ssl3_renegotiate,
+        .ssl_renegotiate_check = ssl3_renegotiate_check,
+        .ssl_pending = ssl3_pending,
+        .ssl_read_bytes = ssl3_read_bytes,
+        .ssl_write_bytes = ssl3_write_bytes,
+        .enc_flags = TLSV1_ENC_FLAGS,
+};
+
+static const SSL_METHOD TLSv1_client_method_data = {
+        .ssl_dispatch_alert = ssl3_dispatch_alert,
+        .num_ciphers = ssl3_num_ciphers,
+        .get_cipher = ssl3_get_cipher,
+        .get_cipher_by_char = ssl3_get_cipher_by_char,
+        .put_cipher_by_char = ssl3_put_cipher_by_char,
+        .internal = &TLSv1_client_method_internal_data,
+};
+
 static const SSL_METHOD_INTERNAL TLSv1_1_method_internal_data = {
         .dtls = 0,
+        .server = 1,
         .version = TLS1_1_VERSION,
         .min_version = TLS1_1_VERSION,
         .max_version = TLS1_1_VERSION,
@@ -237,8 +362,38 @@ static const SSL_METHOD TLSv1_1_method_data = {
         .internal = &TLSv1_1_method_internal_data,
 };
 
+static const SSL_METHOD_INTERNAL TLSv1_1_client_method_internal_data = {
+        .dtls = 0,
+        .server = 0,
+        .version = TLS1_1_VERSION,
+        .min_version = TLS1_1_VERSION,
+        .max_version = TLS1_1_VERSION,
+        .ssl_new = tls1_new,
+        .ssl_clear = tls1_clear,
+        .ssl_free = tls1_free,
+        .ssl_accept = ssl_undefined_function,
+        .ssl_connect = ssl3_connect,
+        .ssl_shutdown = ssl3_shutdown,
+        .ssl_renegotiate = ssl3_renegotiate,
+        .ssl_renegotiate_check = ssl3_renegotiate_check,
+        .ssl_pending = ssl3_pending,
+        .ssl_read_bytes = ssl3_read_bytes,
+        .ssl_write_bytes = ssl3_write_bytes,
+        .enc_flags = TLSV1_1_ENC_FLAGS,
+};
+
+static const SSL_METHOD TLSv1_1_client_method_data = {
+        .ssl_dispatch_alert = ssl3_dispatch_alert,
+        .num_ciphers = ssl3_num_ciphers,
+        .get_cipher = ssl3_get_cipher,
+        .get_cipher_by_char = ssl3_get_cipher_by_char,
+        .put_cipher_by_char = ssl3_put_cipher_by_char,
+        .internal = &TLSv1_1_client_method_internal_data,
+};
+
 static const SSL_METHOD_INTERNAL TLSv1_2_method_internal_data = {
         .dtls = 0,
+        .server = 1,
         .version = TLS1_2_VERSION,
         .min_version = TLS1_2_VERSION,
         .max_version = TLS1_2_VERSION,
@@ -265,10 +420,43 @@ static const SSL_METHOD TLSv1_2_method_data = {
         .internal = &TLSv1_2_method_internal_data,
 };
 
+static const SSL_METHOD_INTERNAL TLSv1_2_client_method_internal_data = {
+        .dtls = 0,
+        .server = 0,
+        .version = TLS1_2_VERSION,
+        .min_version = TLS1_2_VERSION,
+        .max_version = TLS1_2_VERSION,
+        .ssl_new = tls1_new,
+        .ssl_clear = tls1_clear,
+        .ssl_free = tls1_free,
+        .ssl_accept = ssl_undefined_function,
+        .ssl_connect = ssl3_connect,
+        .ssl_shutdown = ssl3_shutdown,
+        .ssl_renegotiate = ssl3_renegotiate,
+        .ssl_renegotiate_check = ssl3_renegotiate_check,
+        .ssl_pending = ssl3_pending,
+        .ssl_read_bytes = ssl3_read_bytes,
+        .ssl_write_bytes = ssl3_write_bytes,
+        .enc_flags = TLSV1_2_ENC_FLAGS,
+};
+
+static const SSL_METHOD TLSv1_2_client_method_data = {
+        .ssl_dispatch_alert = ssl3_dispatch_alert,
+        .num_ciphers = ssl3_num_ciphers,
+        .get_cipher = ssl3_get_cipher,
+        .get_cipher_by_char = ssl3_get_cipher_by_char,
+        .put_cipher_by_char = ssl3_put_cipher_by_char,
+        .internal = &TLSv1_2_client_method_internal_data,
+};
+
 const SSL_METHOD *
 TLS_client_method(void)
 {
-        return TLS_method();
+#if defined(LIBRESSL_HAS_TLS1_3_CLIENT)
+        return (&TLS_client_method_data);
+#else
+        return (&TLS_legacy_client_method_data);
+#endif
 }
 
 const SSL_METHOD *
@@ -296,7 +484,7 @@ tls_legacy_method(void)
 const SSL_METHOD *
 SSLv23_client_method(void)
 {
-        return TLS_method();
+        return TLS_client_method();
 }
 
 const SSL_METHOD *
@@ -314,7 +502,7 @@ SSLv23_server_method(void)
 const SSL_METHOD *
 TLSv1_client_method(void)
 {
-        return (&TLSv1_method_data);
+        return (&TLSv1_client_method_data);
 }
 
 const SSL_METHOD *
@@ -332,7 +520,7 @@ TLSv1_server_method(void)
 const SSL_METHOD *
 TLSv1_1_client_method(void)
 {
-        return (&TLSv1_1_method_data);
+        return (&TLSv1_1_client_method_data);
 }
 
 const SSL_METHOD *
@@ -350,7 +538,7 @@ TLSv1_1_server_method(void)
 const SSL_METHOD *
 TLSv1_2_client_method(void)
 {
-        return (&TLSv1_2_method_data);
+        return (&TLSv1_2_client_method_data);
 }
 
 const SSL_METHOD *