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-rwxr-xr-xmodules/mbedtls/SCsub91
-rwxr-xr-xmodules/mbedtls/config.py5
-rwxr-xr-xmodules/mbedtls/register_types.cpp44
-rwxr-xr-xmodules/mbedtls/register_types.h32
-rwxr-xr-xmodules/mbedtls/stream_peer_mbed_tls.cpp325
-rwxr-xr-xmodules/mbedtls/stream_peer_mbed_tls.h95
6 files changed, 592 insertions, 0 deletions
diff --git a/modules/mbedtls/SCsub b/modules/mbedtls/SCsub
new file mode 100755
index 0000000000..40c222b9c8
--- /dev/null
+++ b/modules/mbedtls/SCsub
@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+
+Import('env')
+Import('env_modules')
+
+env_mbed_tls = env_modules.Clone()
+
+# Thirdparty source files
+thirdparty_dir = "#thirdparty/mbedtls/library/"
+
+thirdparty_sources = [
+ "aes.c",
+ "aesni.c",
+ "arc4.c",
+ "asn1parse.c",
+ "asn1write.c",
+ "base64.c",
+ "bignum.c",
+ "blowfish.c",
+ "camellia.c",
+ "ccm.c",
+ "certs.c",
+ "cipher.c",
+ "cipher_wrap.c",
+ "cmac.c",
+ "ctr_drbg.c",
+ "debug.c",
+ "des.c",
+ "dhm.c",
+ "ecdh.c",
+ "ecdsa.c",
+ "ecjpake.c",
+ "ecp.c",
+ "ecp_curves.c",
+ "entropy.c",
+ "entropy_poll.c",
+ "error.c",
+ "gcm.c",
+ "havege.c",
+ "hmac_drbg.c",
+ "md2.c",
+ "md4.c",
+ "md5.c",
+ "md.c",
+ "md_wrap.c",
+ "memory_buffer_alloc.c",
+ "net_sockets.c",
+ "oid.c",
+ "padlock.c",
+ "pem.c",
+ "pk.c",
+ "pkcs11.c",
+ "pkcs12.c",
+ "pkcs5.c",
+ "pkparse.c",
+ "pk_wrap.c",
+ "pkwrite.c",
+ "platform.c",
+ "ripemd160.c",
+ "rsa.c",
+ "rsa_internal.c",
+ "sha1.c",
+ "sha256.c",
+ "sha512.c",
+ "ssl_cache.c",
+ "ssl_ciphersuites.c",
+ "ssl_cli.c",
+ "ssl_cookie.c",
+ "ssl_srv.c",
+ "ssl_ticket.c",
+ "ssl_tls.c",
+ "threading.c",
+ "timing.c",
+ "version.c",
+ "version_features.c",
+ "x509.c",
+ "x509_create.c",
+ "x509_crl.c",
+ "x509_crt.c",
+ "x509_csr.c",
+ "x509write_crt.c",
+ "x509write_csr.c",
+ "xtea.c"
+]
+
+thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+env_mbed_tls.add_source_files(env.modules_sources, thirdparty_sources)
+env_mbed_tls.Append(CPPPATH=["#thirdparty/mbedtls/include/"])
+
+# Module sources
+env_mbed_tls.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/mbedtls/config.py b/modules/mbedtls/config.py
new file mode 100755
index 0000000000..5f133eba90
--- /dev/null
+++ b/modules/mbedtls/config.py
@@ -0,0 +1,5 @@
+def can_build(platform):
+ return True
+
+def configure(env):
+ pass
diff --git a/modules/mbedtls/register_types.cpp b/modules/mbedtls/register_types.cpp
new file mode 100755
index 0000000000..8548275eec
--- /dev/null
+++ b/modules/mbedtls/register_types.cpp
@@ -0,0 +1,44 @@
+/*************************************************************************/
+/* register_types.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "register_types.h"
+
+#include "stream_peer_mbed_tls.h"
+
+void register_mbedtls_types() {
+
+ ClassDB::register_class<StreamPeerMbedTLS>();
+ StreamPeerMbedTLS::initialize_ssl();
+}
+
+void unregister_mbedtls_types() {
+
+ StreamPeerMbedTLS::finalize_ssl();
+}
diff --git a/modules/mbedtls/register_types.h b/modules/mbedtls/register_types.h
new file mode 100755
index 0000000000..3da0b1f1a0
--- /dev/null
+++ b/modules/mbedtls/register_types.h
@@ -0,0 +1,32 @@
+/*************************************************************************/
+/* register_types.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+void register_mbedtls_types();
+void unregister_mbedtls_types();
diff --git a/modules/mbedtls/stream_peer_mbed_tls.cpp b/modules/mbedtls/stream_peer_mbed_tls.cpp
new file mode 100755
index 0000000000..4135eb40ff
--- /dev/null
+++ b/modules/mbedtls/stream_peer_mbed_tls.cpp
@@ -0,0 +1,325 @@
+/*************************************************************************/
+/* stream_peer_openssl.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "stream_peer_mbed_tls.h"
+
+static void my_debug(void *ctx, int level,
+ const char *file, int line,
+ const char *str) {
+
+ printf("%s:%04d: %s", file, line, str);
+ fflush(stdout);
+}
+
+void _print_error(int ret) {
+ printf("mbedtls error: returned -0x%x\n\n", -ret);
+ fflush(stdout);
+}
+
+int StreamPeerMbedTLS::bio_send(void *ctx, const unsigned char *buf, size_t len) {
+
+ if (buf == NULL || len <= 0) return 0;
+
+ StreamPeerMbedTLS *sp = (StreamPeerMbedTLS *)ctx;
+
+ ERR_FAIL_COND_V(sp == NULL, 0);
+
+ int sent;
+ Error err = sp->base->put_partial_data((const uint8_t *)buf, len, sent);
+ if (err != OK) {
+ return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
+ }
+ if (sent == 0) {
+ return MBEDTLS_ERR_SSL_WANT_WRITE;
+ }
+ return sent;
+}
+
+int StreamPeerMbedTLS::bio_recv(void *ctx, unsigned char *buf, size_t len) {
+
+ if (buf == NULL || len <= 0) return 0;
+
+ StreamPeerMbedTLS *sp = (StreamPeerMbedTLS *)ctx;
+
+ ERR_FAIL_COND_V(sp == NULL, 0);
+
+ int got;
+ Error err = sp->base->get_partial_data((uint8_t *)buf, len, got);
+ if (err != OK) {
+ return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
+ }
+ if (got == 0) {
+ return MBEDTLS_ERR_SSL_WANT_READ;
+ }
+ return got;
+}
+
+Error StreamPeerMbedTLS::connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs, const String &p_for_hostname) {
+
+ base = p_base;
+ int ret = 0;
+ int authmode = p_validate_certs ? MBEDTLS_SSL_VERIFY_REQUIRED : MBEDTLS_SSL_VERIFY_NONE;
+
+ mbedtls_ssl_init(&ssl);
+ mbedtls_ssl_config_init(&conf);
+ mbedtls_ctr_drbg_init(&ctr_drbg);
+ mbedtls_entropy_init(&entropy);
+
+ ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0);
+ if (ret != 0) {
+ ERR_PRINTS(" failed\n ! mbedtls_ctr_drbg_seed returned an error" + itos(ret));
+ return FAILED;
+ }
+
+ mbedtls_ssl_config_defaults(&conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT);
+
+ mbedtls_ssl_conf_authmode(&conf, authmode);
+ mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+ mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+ mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
+ mbedtls_ssl_setup(&ssl, &conf);
+ mbedtls_ssl_set_hostname(&ssl, p_for_hostname.utf8().get_data());
+
+ mbedtls_ssl_set_bio(&ssl, this, bio_send, bio_recv, NULL);
+
+ while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+ if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+ ERR_PRINTS("TLS handshake error: " + itos(ret));
+ _print_error(ret);
+ status = STATUS_ERROR_HOSTNAME_MISMATCH;
+ return FAILED;
+ }
+ }
+
+ connected = true;
+ status = STATUS_CONNECTED;
+
+ return OK;
+}
+
+Error StreamPeerMbedTLS::accept_stream(Ref<StreamPeer> p_base) {
+
+ return ERR_UNAVAILABLE;
+}
+
+Error StreamPeerMbedTLS::put_data(const uint8_t *p_data, int p_bytes) {
+
+ ERR_FAIL_COND_V(!connected, ERR_UNCONFIGURED);
+
+ Error err;
+ int sent = 0;
+
+ while (p_bytes > 0) {
+ err = put_partial_data(p_data, p_bytes, sent);
+
+ if (err != OK) {
+ return err;
+ }
+
+ p_data += sent;
+ p_bytes -= sent;
+ }
+
+ return OK;
+}
+
+Error StreamPeerMbedTLS::put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent) {
+
+ ERR_FAIL_COND_V(!connected, ERR_UNCONFIGURED);
+
+ r_sent = 0;
+
+ if (p_bytes == 0)
+ return OK;
+
+ int ret = mbedtls_ssl_write(&ssl, p_data, p_bytes);
+ if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
+ ret = 0; // non blocking io
+ } else if (ret <= 0) {
+ _print_error(ret);
+ disconnect_from_stream();
+ return ERR_CONNECTION_ERROR;
+ }
+
+ r_sent = ret;
+ return OK;
+}
+
+Error StreamPeerMbedTLS::get_data(uint8_t *p_buffer, int p_bytes) {
+
+ ERR_FAIL_COND_V(!connected, ERR_UNCONFIGURED);
+
+ Error err;
+
+ int got = 0;
+ while (p_bytes > 0) {
+
+ err = get_partial_data(p_buffer, p_bytes, got);
+
+ if (err != OK) {
+ return err;
+ }
+
+ p_buffer += got;
+ p_bytes -= got;
+ }
+
+ return OK;
+}
+
+Error StreamPeerMbedTLS::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received) {
+
+ ERR_FAIL_COND_V(!connected, ERR_UNCONFIGURED);
+
+ r_received = 0;
+
+ int ret = mbedtls_ssl_read(&ssl, p_buffer, p_bytes);
+ if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
+ ret = 0; // non blocking io
+ } else if (ret <= 0) {
+ _print_error(ret);
+ disconnect_from_stream();
+ return ERR_CONNECTION_ERROR;
+ }
+
+ r_received = ret;
+ return OK;
+}
+
+void StreamPeerMbedTLS::poll() {
+
+ ERR_FAIL_COND(!connected);
+ ERR_FAIL_COND(!base.is_valid());
+
+ int ret = mbedtls_ssl_read(&ssl, NULL, 0);
+
+ if (ret < 0 && ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+ _print_error(ret);
+ disconnect_from_stream();
+ return;
+ }
+}
+
+int StreamPeerMbedTLS::get_available_bytes() const {
+
+ ERR_FAIL_COND_V(!connected, 0);
+
+ return mbedtls_ssl_get_bytes_avail(&ssl);
+}
+StreamPeerMbedTLS::StreamPeerMbedTLS() {
+
+ connected = false;
+ status = STATUS_DISCONNECTED;
+}
+
+StreamPeerMbedTLS::~StreamPeerMbedTLS() {
+ disconnect_from_stream();
+}
+
+void StreamPeerMbedTLS::disconnect_from_stream() {
+
+ if (!connected)
+ return;
+
+ mbedtls_ssl_free(&ssl);
+ mbedtls_ssl_config_free(&conf);
+ mbedtls_ctr_drbg_free(&ctr_drbg);
+ mbedtls_entropy_free(&entropy);
+
+ base = Ref<StreamPeer>();
+ connected = false;
+ status = STATUS_DISCONNECTED;
+}
+
+StreamPeerMbedTLS::Status StreamPeerMbedTLS::get_status() const {
+
+ return status;
+}
+
+StreamPeerSSL *StreamPeerMbedTLS::_create_func() {
+
+ return memnew(StreamPeerMbedTLS);
+}
+
+mbedtls_x509_crt StreamPeerMbedTLS::cacert;
+
+void StreamPeerMbedTLS::_load_certs(const PoolByteArray &p_array) {
+ int arr_len = p_array.size();
+ PoolByteArray::Read r = p_array.read();
+ int err = mbedtls_x509_crt_parse(&cacert, &r[0], arr_len);
+ if (err != 0) {
+ WARN_PRINTS("Error parsing some certificates: " + itos(err));
+ }
+}
+
+void StreamPeerMbedTLS::initialize_ssl() {
+
+ _create = _create_func;
+ load_certs_func = _load_certs;
+
+ mbedtls_x509_crt_init(&cacert);
+
+#ifdef DEBUG_ENABLED
+ mbedtls_debug_set_threshold(1);
+#endif
+
+ String certs_path = GLOBAL_DEF("network/ssl/certificates", "");
+ ProjectSettings::get_singleton()->set_custom_property_info("network/ssl/certificates", PropertyInfo(Variant::STRING, "network/ssl/certificates", PROPERTY_HINT_FILE, "*.crt"));
+
+ if (certs_path != "") {
+
+ FileAccess *f = FileAccess::open(certs_path, FileAccess::READ);
+ if (f) {
+ PoolByteArray arr;
+ int flen = f->get_len();
+ arr.resize(flen + 1);
+ {
+ PoolByteArray::Write w = arr.write();
+ f->get_buffer(w.ptr(), flen);
+ w[flen] = 0; //end f string
+ }
+
+ memdelete(f);
+
+ _load_certs(arr);
+ print_line("Loaded certs from '" + certs_path);
+ }
+ }
+
+ available = true;
+}
+
+void StreamPeerMbedTLS::finalize_ssl() {
+
+ mbedtls_x509_crt_free(&cacert);
+}
diff --git a/modules/mbedtls/stream_peer_mbed_tls.h b/modules/mbedtls/stream_peer_mbed_tls.h
new file mode 100755
index 0000000000..ce17614d85
--- /dev/null
+++ b/modules/mbedtls/stream_peer_mbed_tls.h
@@ -0,0 +1,95 @@
+/*************************************************************************/
+/* stream_peer_openssl.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef STREAM_PEER_OPEN_SSL_H
+#define STREAM_PEER_OPEN_SSL_H
+
+#include "io/stream_peer_ssl.h"
+#include "os/file_access.h"
+#include "project_settings.h"
+
+#include "mbedtls/config.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/net.h"
+#include "mbedtls/ssl.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+class StreamPeerMbedTLS : public StreamPeerSSL {
+private:
+ Status status;
+ String hostname;
+
+ bool connected;
+
+ Ref<StreamPeer> base;
+
+ static StreamPeerSSL *_create_func();
+ static void _load_certs(const PoolByteArray &p_array);
+
+ static int bio_recv(void *ctx, unsigned char *buf, size_t len);
+ static int bio_send(void *ctx, const unsigned char *buf, size_t len);
+
+protected:
+ static mbedtls_x509_crt cacert;
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+
+ static void _bind_methods();
+
+public:
+ virtual void poll();
+ virtual Error accept_stream(Ref<StreamPeer> p_base);
+ virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String());
+ virtual Status get_status() const;
+
+ virtual void disconnect_from_stream();
+
+ virtual Error put_data(const uint8_t *p_data, int p_bytes);
+ virtual Error put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent);
+
+ virtual Error get_data(uint8_t *p_buffer, int p_bytes);
+ virtual Error get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received);
+
+ virtual int get_available_bytes() const;
+
+ static void initialize_ssl();
+ static void finalize_ssl();
+
+ StreamPeerMbedTLS();
+ ~StreamPeerMbedTLS();
+};
+
+#endif // STREAM_PEER_SSL_H