diff options
| -rw-r--r-- | core/crypto/SCsub | 38 | ||||
| -rw-r--r-- | core/crypto/crypto.cpp | 170 | ||||
| -rw-r--r-- | core/crypto/crypto.h | 105 | ||||
| -rw-r--r-- | core/register_core_types.cpp | 22 |
4 files changed, 335 insertions, 0 deletions
diff --git a/core/crypto/SCsub b/core/crypto/SCsub new file mode 100644 index 0000000000..0a3f05d87a --- /dev/null +++ b/core/crypto/SCsub @@ -0,0 +1,38 @@ +#!/usr/bin/env python + +Import('env') + +env_crypto = env.Clone() + +is_builtin = env["builtin_mbedtls"] +has_module = env["module_mbedtls_enabled"] + +if is_builtin or not has_module: + # Use our headers for builtin or if the module is not going to be compiled. + # We decided not to depend on system mbedtls just for these few files that can + # be easily extracted. + env_crypto.Prepend(CPPPATH=["#thirdparty/mbedtls/include"]) + +# MbedTLS core functions (for CryptoCore). +# If the mbedtls module is compiled we don't need to add the .c files with our +# custom config since they will be built by the module itself. +# Only if the module is not enabled, we must compile here the required sources +# to make a "light" build with only the necessary mbedtls files. +if not has_module: + env_thirdparty = env_crypto.Clone() + env_thirdparty.disable_warnings() + # Custom config file + env_thirdparty.Append(CPPDEFINES=[('MBEDTLS_CONFIG_FILE', '\\"thirdparty/mbedtls/include/godot_core_mbedtls_config.h\\"')]) + thirdparty_mbedtls_dir = "#thirdparty/mbedtls/library/" + thirdparty_mbedtls_sources = [ + "aes.c", + "base64.c", + "md5.c", + "sha1.c", + "sha256.c", + "godot_core_mbedtls_platform.c" + ] + thirdparty_mbedtls_sources = [thirdparty_mbedtls_dir + file for file in thirdparty_mbedtls_sources] + env_thirdparty.add_source_files(env.core_sources, thirdparty_mbedtls_sources) + +env_crypto.add_source_files(env.core_sources, "*.cpp") diff --git a/core/crypto/crypto.cpp b/core/crypto/crypto.cpp new file mode 100644 index 0000000000..925a01b36a --- /dev/null +++ b/core/crypto/crypto.cpp @@ -0,0 +1,170 @@ +/*************************************************************************/ +/* crypto.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 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 "crypto.h" + +#include "core/engine.h" +#include "core/io/certs_compressed.gen.h" +#include "core/io/compression.h" + +/// Resources + +CryptoKey *(*CryptoKey::_create)() = NULL; +CryptoKey *CryptoKey::create() { + if (_create) + return _create(); + return NULL; +} + +void CryptoKey::_bind_methods() { + ClassDB::bind_method(D_METHOD("save", "path"), &CryptoKey::save); + ClassDB::bind_method(D_METHOD("load", "path"), &CryptoKey::load); +} + +X509Certificate *(*X509Certificate::_create)() = NULL; +X509Certificate *X509Certificate::create() { + if (_create) + return _create(); + return NULL; +} + +void X509Certificate::_bind_methods() { + ClassDB::bind_method(D_METHOD("save", "path"), &X509Certificate::save); + ClassDB::bind_method(D_METHOD("load", "path"), &X509Certificate::load); +} + +/// Crypto + +void (*Crypto::_load_default_certificates)(String p_path) = NULL; +Crypto *(*Crypto::_create)() = NULL; +Crypto *Crypto::create() { + if (_create) + return _create(); + return memnew(Crypto); +} + +void Crypto::load_default_certificates(String p_path) { + + if (_load_default_certificates) + _load_default_certificates(p_path); +} + +void Crypto::_bind_methods() { + ClassDB::bind_method(D_METHOD("generate_random_bytes", "size"), &Crypto::generate_random_bytes); + ClassDB::bind_method(D_METHOD("generate_rsa", "size"), &Crypto::generate_rsa); + ClassDB::bind_method(D_METHOD("generate_self_signed_certificate", "key", "issuer_name", "not_before", "not_after"), &Crypto::generate_self_signed_certificate, DEFVAL("CN=myserver,O=myorganisation,C=IT"), DEFVAL("20140101000000"), DEFVAL("20340101000000")); +} + +PoolByteArray Crypto::generate_random_bytes(int p_bytes) { + ERR_FAIL_V_MSG(PoolByteArray(), "generate_random_bytes is not available when mbedtls module is disabled."); +} + +Ref<CryptoKey> Crypto::generate_rsa(int p_bytes) { + ERR_FAIL_V_MSG(NULL, "generate_rsa is not available when mbedtls module is disabled."); +} + +Ref<X509Certificate> Crypto::generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) { + ERR_FAIL_V_MSG(NULL, "generate_self_signed_certificate is not available when mbedtls module is disabled."); +} + +Crypto::Crypto() { +} + +/// Resource loader/saver + +RES ResourceFormatLoaderCrypto::load(const String &p_path, const String &p_original_path, Error *r_error) { + + String el = p_path.get_extension().to_lower(); + if (el == "crt") { + X509Certificate *cert = X509Certificate::create(); + if (cert) + cert->load(p_path); + return cert; + } else if (el == "key") { + CryptoKey *key = CryptoKey::create(); + if (key) + key->load(p_path); + return key; + } + return NULL; +} + +void ResourceFormatLoaderCrypto::get_recognized_extensions(List<String> *p_extensions) const { + + p_extensions->push_back("crt"); + p_extensions->push_back("key"); +} + +bool ResourceFormatLoaderCrypto::handles_type(const String &p_type) const { + + return p_type == "X509Certificate" || p_type == "CryptoKey"; +} + +String ResourceFormatLoaderCrypto::get_resource_type(const String &p_path) const { + + String el = p_path.get_extension().to_lower(); + if (el == "crt") + return "X509Certificate"; + else if (el == "key") + return "CryptoKey"; + return ""; +} + +Error ResourceFormatSaverCrypto::save(const String &p_path, const RES &p_resource, uint32_t p_flags) { + + Error err; + Ref<X509Certificate> cert = p_resource; + Ref<CryptoKey> key = p_resource; + if (cert.is_valid()) { + err = cert->save(p_path); + } else if (key.is_valid()) { + err = key->save(p_path); + } else { + ERR_FAIL_V(ERR_INVALID_PARAMETER); + } + ERR_FAIL_COND_V(err != OK, err); + return OK; +} + +void ResourceFormatSaverCrypto::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const { + + const X509Certificate *cert = Object::cast_to<X509Certificate>(*p_resource); + const CryptoKey *key = Object::cast_to<CryptoKey>(*p_resource); + if (cert) { + p_extensions->push_back("crt"); + } + if (key) { + p_extensions->push_back("key"); + } +} +bool ResourceFormatSaverCrypto::recognize(const RES &p_resource) const { + + return Object::cast_to<X509Certificate>(*p_resource) || Object::cast_to<CryptoKey>(*p_resource); +} diff --git a/core/crypto/crypto.h b/core/crypto/crypto.h new file mode 100644 index 0000000000..2de81f5b57 --- /dev/null +++ b/core/crypto/crypto.h @@ -0,0 +1,105 @@ +/*************************************************************************/ +/* crypto.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 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 CRYPTO_H +#define CRYPTO_H + +#include "core/reference.h" +#include "core/resource.h" + +#include "core/io/resource_loader.h" +#include "core/io/resource_saver.h" + +class CryptoKey : public Resource { + GDCLASS(CryptoKey, Resource); + +protected: + static void _bind_methods(); + static CryptoKey *(*_create)(); + +public: + static CryptoKey *create(); + virtual Error load(String p_path) = 0; + virtual Error save(String p_path) = 0; +}; + +class X509Certificate : public Resource { + GDCLASS(X509Certificate, Resource); + +protected: + static void _bind_methods(); + static X509Certificate *(*_create)(); + +public: + static X509Certificate *create(); + virtual Error load(String p_path) = 0; + virtual Error load_from_memory(const uint8_t *p_buffer, int p_len) = 0; + virtual Error save(String p_path) = 0; +}; + +class Crypto : public Reference { + GDCLASS(Crypto, Reference); + +protected: + static void _bind_methods(); + static Crypto *(*_create)(); + static void (*_load_default_certificates)(String p_path); + +public: + static Crypto *create(); + static void load_default_certificates(String p_path); + + virtual PoolByteArray generate_random_bytes(int p_bytes); + virtual Ref<CryptoKey> generate_rsa(int p_bytes); + virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after); + + Crypto(); +}; + +class ResourceFormatLoaderCrypto : public ResourceFormatLoader { + GDCLASS(ResourceFormatLoaderCrypto, ResourceFormatLoader); + +public: + virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL); + virtual void get_recognized_extensions(List<String> *p_extensions) const; + virtual bool handles_type(const String &p_type) const; + virtual String get_resource_type(const String &p_path) const; +}; + +class ResourceFormatSaverCrypto : public ResourceFormatSaver { + GDCLASS(ResourceFormatSaverCrypto, ResourceFormatSaver); + +public: + virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0); + virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const; + virtual bool recognize(const RES &p_resource) const; +}; + +#endif // CRYPTO_H diff --git a/core/register_core_types.cpp b/core/register_core_types.cpp index e442546124..6c05f3d54c 100644 --- a/core/register_core_types.cpp +++ b/core/register_core_types.cpp @@ -34,6 +34,7 @@ #include "core/class_db.h" #include "core/compressed_translation.h" #include "core/core_string_names.h" +#include "core/crypto/crypto.h" #include "core/engine.h" #include "core/func_ref.h" #include "core/input_map.h" @@ -70,6 +71,8 @@ static Ref<ResourceFormatLoaderBinary> resource_loader_binary; static Ref<ResourceFormatImporter> resource_format_importer; static Ref<ResourceFormatLoaderImage> resource_format_image; static Ref<TranslationLoaderPO> resource_format_po; +static Ref<ResourceFormatSaverCrypto> resource_format_saver_crypto; +static Ref<ResourceFormatLoaderCrypto> resource_format_loader_crypto; static _ResourceLoader *_resource_loader = NULL; static _ResourceSaver *_resource_saver = NULL; @@ -151,7 +154,18 @@ void register_core_types() { ClassDB::register_class<StreamPeerTCP>(); ClassDB::register_class<TCP_Server>(); ClassDB::register_class<PacketPeerUDP>(); + + // Crypto + ClassDB::register_custom_instance_class<X509Certificate>(); + ClassDB::register_custom_instance_class<CryptoKey>(); + ClassDB::register_custom_instance_class<Crypto>(); ClassDB::register_custom_instance_class<StreamPeerSSL>(); + + resource_format_saver_crypto.instance(); + ResourceSaver::add_resource_format_saver(resource_format_saver_crypto); + resource_format_loader_crypto.instance(); + ResourceLoader::add_resource_format_loader(resource_format_loader_crypto); + ClassDB::register_virtual_class<IP>(); ClassDB::register_virtual_class<PacketPeer>(); ClassDB::register_class<PacketPeerStream>(); @@ -211,6 +225,9 @@ void register_core_settings() { ProjectSettings::get_singleton()->set_custom_property_info("network/limits/tcp/connect_timeout_seconds", PropertyInfo(Variant::INT, "network/limits/tcp/connect_timeout_seconds", PROPERTY_HINT_RANGE, "1,1800,1")); GLOBAL_DEF_RST("network/limits/packet_peer_stream/max_buffer_po2", (16)); ProjectSettings::get_singleton()->set_custom_property_info("network/limits/packet_peer_stream/max_buffer_po2", PropertyInfo(Variant::INT, "network/limits/packet_peer_stream/max_buffer_po2", PROPERTY_HINT_RANGE, "0,64,1,or_greater")); + + 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")); } void register_core_singletons() { @@ -272,6 +289,11 @@ void unregister_core_types() { ResourceLoader::remove_resource_format_loader(resource_format_po); resource_format_po.unref(); + ResourceSaver::remove_resource_format_saver(resource_format_saver_crypto); + resource_format_saver_crypto.unref(); + ResourceLoader::remove_resource_format_loader(resource_format_loader_crypto); + resource_format_loader_crypto.unref(); + if (ip) memdelete(ip); |