Merge pull request #29871 from Faless/crypto/initial_pr

More Crypto, SSL server, crt/key as Resource, HashingContext
This commit is contained in:
Rémi Verschelde 2019-08-21 18:03:03 +02:00 committed by GitHub
commit 99980d856b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
30 changed files with 1305 additions and 224 deletions

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@ -159,6 +159,7 @@ env.CommandNoCache('#core/license.gen.h', ["../COPYRIGHT.txt", "../LICENSE.txt"]
# Chain load SCsubs
SConscript('os/SCsub')
SConscript('math/SCsub')
SConscript('crypto/SCsub')
SConscript('io/SCsub')
SConscript('bind/SCsub')

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@ -30,11 +30,11 @@
#include "core_bind.h"
#include "core/crypto/crypto_core.h"
#include "core/io/file_access_compressed.h"
#include "core/io/file_access_encrypted.h"
#include "core/io/json.h"
#include "core/io/marshalls.h"
#include "core/math/crypto_core.h"
#include "core/math/geometry.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"

38
core/crypto/SCsub Normal file
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@ -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")

170
core/crypto/crypto.cpp Normal file
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@ -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);
}

105
core/crypto/crypto.h Normal file
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@ -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

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@ -52,7 +52,7 @@ Error CryptoCore::MD5Context::start() {
return ret ? FAILED : OK;
}
Error CryptoCore::MD5Context::update(uint8_t *p_src, size_t p_len) {
Error CryptoCore::MD5Context::update(const uint8_t *p_src, size_t p_len) {
int ret = mbedtls_md5_update_ret((mbedtls_md5_context *)ctx, p_src, p_len);
return ret ? FAILED : OK;
}
@ -62,6 +62,32 @@ Error CryptoCore::MD5Context::finish(unsigned char r_hash[16]) {
return ret ? FAILED : OK;
}
// SHA1
CryptoCore::SHA1Context::SHA1Context() {
ctx = memalloc(sizeof(mbedtls_sha1_context));
mbedtls_sha1_init((mbedtls_sha1_context *)ctx);
}
CryptoCore::SHA1Context::~SHA1Context() {
mbedtls_sha1_free((mbedtls_sha1_context *)ctx);
memfree((mbedtls_sha1_context *)ctx);
}
Error CryptoCore::SHA1Context::start() {
int ret = mbedtls_sha1_starts_ret((mbedtls_sha1_context *)ctx);
return ret ? FAILED : OK;
}
Error CryptoCore::SHA1Context::update(const uint8_t *p_src, size_t p_len) {
int ret = mbedtls_sha1_update_ret((mbedtls_sha1_context *)ctx, p_src, p_len);
return ret ? FAILED : OK;
}
Error CryptoCore::SHA1Context::finish(unsigned char r_hash[20]) {
int ret = mbedtls_sha1_finish_ret((mbedtls_sha1_context *)ctx, r_hash);
return ret ? FAILED : OK;
}
// SHA256
CryptoCore::SHA256Context::SHA256Context() {
ctx = memalloc(sizeof(mbedtls_sha256_context));
@ -78,12 +104,12 @@ Error CryptoCore::SHA256Context::start() {
return ret ? FAILED : OK;
}
Error CryptoCore::SHA256Context::update(uint8_t *p_src, size_t p_len) {
Error CryptoCore::SHA256Context::update(const uint8_t *p_src, size_t p_len) {
int ret = mbedtls_sha256_update_ret((mbedtls_sha256_context *)ctx, p_src, p_len);
return ret ? FAILED : OK;
}
Error CryptoCore::SHA256Context::finish(unsigned char r_hash[16]) {
Error CryptoCore::SHA256Context::finish(unsigned char r_hash[32]) {
int ret = mbedtls_sha256_finish_ret((mbedtls_sha256_context *)ctx, r_hash);
return ret ? FAILED : OK;
}

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@ -46,10 +46,24 @@ public:
~MD5Context();
Error start();
Error update(uint8_t *p_src, size_t p_len);
Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[16]);
};
class SHA1Context {
private:
void *ctx; // To include, or not to include...
public:
SHA1Context();
~SHA1Context();
Error start();
Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[20]);
};
class SHA256Context {
private:
@ -60,8 +74,8 @@ public:
~SHA256Context();
Error start();
Error update(uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[16]);
Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[32]);
};
class AESContext {

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@ -0,0 +1,137 @@
/*************************************************************************/
/* hashing_context.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 "hashing_context.h"
#include "core/crypto/crypto_core.h"
Error HashingContext::start(HashType p_type) {
ERR_FAIL_COND_V(ctx != NULL, ERR_ALREADY_IN_USE);
_create_ctx(p_type);
ERR_FAIL_COND_V(ctx == NULL, ERR_UNAVAILABLE);
switch (type) {
case HASH_MD5:
return ((CryptoCore::MD5Context *)ctx)->start();
case HASH_SHA1:
return ((CryptoCore::SHA1Context *)ctx)->start();
case HASH_SHA256:
return ((CryptoCore::SHA256Context *)ctx)->start();
}
return ERR_UNAVAILABLE;
}
Error HashingContext::update(PoolByteArray p_chunk) {
ERR_FAIL_COND_V(ctx == NULL, ERR_UNCONFIGURED);
size_t len = p_chunk.size();
PoolByteArray::Read r = p_chunk.read();
switch (type) {
case HASH_MD5:
return ((CryptoCore::MD5Context *)ctx)->update(&r[0], len);
case HASH_SHA1:
return ((CryptoCore::SHA1Context *)ctx)->update(&r[0], len);
case HASH_SHA256:
return ((CryptoCore::SHA256Context *)ctx)->update(&r[0], len);
}
return ERR_UNAVAILABLE;
}
PoolByteArray HashingContext::finish() {
ERR_FAIL_COND_V(ctx == NULL, PoolByteArray());
PoolByteArray out;
Error err = FAILED;
switch (type) {
case HASH_MD5:
out.resize(16);
err = ((CryptoCore::MD5Context *)ctx)->finish(out.write().ptr());
break;
case HASH_SHA1:
out.resize(20);
err = ((CryptoCore::SHA1Context *)ctx)->finish(out.write().ptr());
break;
case HASH_SHA256:
out.resize(32);
err = ((CryptoCore::SHA256Context *)ctx)->finish(out.write().ptr());
break;
}
_delete_ctx();
ERR_FAIL_COND_V(err != OK, PoolByteArray());
return out;
}
void HashingContext::_create_ctx(HashType p_type) {
type = p_type;
switch (type) {
case HASH_MD5:
ctx = memnew(CryptoCore::MD5Context);
break;
case HASH_SHA1:
ctx = memnew(CryptoCore::SHA1Context);
break;
case HASH_SHA256:
ctx = memnew(CryptoCore::SHA256Context);
break;
default:
ctx = NULL;
}
}
void HashingContext::_delete_ctx() {
return;
switch (type) {
case HASH_MD5:
memdelete((CryptoCore::MD5Context *)ctx);
break;
case HASH_SHA1:
memdelete((CryptoCore::SHA1Context *)ctx);
break;
case HASH_SHA256:
memdelete((CryptoCore::SHA256Context *)ctx);
break;
}
ctx = NULL;
}
void HashingContext::_bind_methods() {
ClassDB::bind_method(D_METHOD("start", "type"), &HashingContext::start);
ClassDB::bind_method(D_METHOD("update", "chunk"), &HashingContext::update);
ClassDB::bind_method(D_METHOD("finish"), &HashingContext::finish);
BIND_ENUM_CONSTANT(HASH_MD5);
BIND_ENUM_CONSTANT(HASH_SHA1);
BIND_ENUM_CONSTANT(HASH_SHA256);
}
HashingContext::HashingContext() {
ctx = NULL;
}
HashingContext::~HashingContext() {
if (ctx != NULL)
_delete_ctx();
}

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@ -0,0 +1,66 @@
/*************************************************************************/
/* hashing_context.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 HASHING_CONTEXT_H
#define HASHING_CONTEXT_H
#include "core/reference.h"
class HashingContext : public Reference {
GDCLASS(HashingContext, Reference);
public:
enum HashType {
HASH_MD5,
HASH_SHA1,
HASH_SHA256
};
private:
void *ctx;
HashType type;
protected:
static void _bind_methods();
void _create_ctx(HashType p_type);
void _delete_ctx();
public:
Error start(HashType p_type);
Error update(PoolByteArray p_chunk);
PoolByteArray finish();
HashingContext();
~HashingContext();
};
VARIANT_ENUM_CAST(HashingContext::HashType);
#endif // HASHING_CONTEXT_H

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@ -30,7 +30,7 @@
#include "file_access_encrypted.h"
#include "core/math/crypto_core.h"
#include "core/crypto/crypto_core.h"
#include "core/os/copymem.h"
#include "core/print_string.h"
#include "core/variant.h"

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@ -30,10 +30,7 @@
#include "stream_peer_ssl.h"
#include "core/io/certs_compressed.gen.h"
#include "core/io/compression.h"
#include "core/os/file_access.h"
#include "core/project_settings.h"
#include "core/engine.h"
StreamPeerSSL *(*StreamPeerSSL::_create)() = NULL;
@ -44,22 +41,8 @@ StreamPeerSSL *StreamPeerSSL::create() {
return NULL;
}
StreamPeerSSL::LoadCertsFromMemory StreamPeerSSL::load_certs_func = NULL;
bool StreamPeerSSL::available = false;
void StreamPeerSSL::load_certs_from_memory(const PoolByteArray &p_memory) {
if (load_certs_func)
load_certs_func(p_memory);
}
void StreamPeerSSL::load_certs_from_file(String p_path) {
if (p_path != "") {
PoolByteArray certs = get_cert_file_as_array(p_path);
if (certs.size() > 0)
load_certs_func(certs);
}
}
bool StreamPeerSSL::is_available() {
return available;
}
@ -72,56 +55,11 @@ bool StreamPeerSSL::is_blocking_handshake_enabled() const {
return blocking_handshake;
}
PoolByteArray StreamPeerSSL::get_cert_file_as_array(String p_path) {
PoolByteArray out;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
if (f) {
int flen = f->get_len();
out.resize(flen + 1);
PoolByteArray::Write w = out.write();
f->get_buffer(w.ptr(), flen);
w[flen] = 0; // Make sure it ends with string terminator
memdelete(f);
#ifdef DEBUG_ENABLED
print_verbose(vformat("Loaded certs from '%s'.", p_path));
#endif
}
return out;
}
PoolByteArray StreamPeerSSL::get_project_cert_array() {
PoolByteArray out;
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 != "") {
// Use certs defined in project settings.
return get_cert_file_as_array(certs_path);
}
#ifdef BUILTIN_CERTS_ENABLED
else {
// Use builtin certs only if user did not override it in project settings.
out.resize(_certs_uncompressed_size + 1);
PoolByteArray::Write w = out.write();
Compression::decompress(w.ptr(), _certs_uncompressed_size, _certs_compressed, _certs_compressed_size, Compression::MODE_DEFLATE);
w[_certs_uncompressed_size] = 0; // Make sure it ends with string terminator
#ifdef DEBUG_ENABLED
print_verbose("Loaded builtin certs");
#endif
}
#endif
return out;
}
void StreamPeerSSL::_bind_methods() {
ClassDB::bind_method(D_METHOD("poll"), &StreamPeerSSL::poll);
ClassDB::bind_method(D_METHOD("accept_stream", "base"), &StreamPeerSSL::accept_stream);
ClassDB::bind_method(D_METHOD("connect_to_stream", "stream", "validate_certs", "for_hostname"), &StreamPeerSSL::connect_to_stream, DEFVAL(false), DEFVAL(String()));
ClassDB::bind_method(D_METHOD("accept_stream", "stream", "private_key", "certificate", "chain"), &StreamPeerSSL::accept_stream, DEFVAL(Ref<X509Certificate>()));
ClassDB::bind_method(D_METHOD("connect_to_stream", "stream", "validate_certs", "for_hostname", "valid_certificate"), &StreamPeerSSL::connect_to_stream, DEFVAL(false), DEFVAL(String()), DEFVAL(Ref<X509Certificate>()));
ClassDB::bind_method(D_METHOD("get_status"), &StreamPeerSSL::get_status);
ClassDB::bind_method(D_METHOD("disconnect_from_stream"), &StreamPeerSSL::disconnect_from_stream);
ClassDB::bind_method(D_METHOD("set_blocking_handshake_enabled", "enabled"), &StreamPeerSSL::set_blocking_handshake_enabled);

View File

@ -31,19 +31,16 @@
#ifndef STREAM_PEER_SSL_H
#define STREAM_PEER_SSL_H
#include "core/crypto/crypto.h"
#include "core/io/stream_peer.h"
class StreamPeerSSL : public StreamPeer {
GDCLASS(StreamPeerSSL, StreamPeer);
public:
typedef void (*LoadCertsFromMemory)(const PoolByteArray &p_certs);
protected:
static StreamPeerSSL *(*_create)();
static void _bind_methods();
static LoadCertsFromMemory load_certs_func;
static bool available;
bool blocking_handshake;
@ -61,18 +58,14 @@ public:
bool is_blocking_handshake_enabled() const;
virtual void poll() = 0;
virtual Error accept_stream(Ref<StreamPeer> p_base) = 0;
virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String()) = 0;
virtual Error accept_stream(Ref<StreamPeer> p_base, Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert, Ref<X509Certificate> p_ca_chain = Ref<X509Certificate>()) = 0;
virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String(), Ref<X509Certificate> p_valid_cert = Ref<X509Certificate>()) = 0;
virtual Status get_status() const = 0;
virtual void disconnect_from_stream() = 0;
static StreamPeerSSL *create();
static PoolByteArray get_cert_file_as_array(String p_path);
static PoolByteArray get_project_cert_array();
static void load_certs_from_file(String p_path);
static void load_certs_from_memory(const PoolByteArray &p_memory);
static bool is_available();
StreamPeerSSL();

View File

@ -2,37 +2,6 @@
Import('env')
env_math = env.Clone() # Maybe make one specific for crypto?
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_math.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_math.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_math = env.Clone()
env_math.add_source_files(env.core_sources, "*.cpp")

View File

@ -30,9 +30,9 @@
#include "file_access.h"
#include "core/crypto/crypto_core.h"
#include "core/io/file_access_pack.h"
#include "core/io/marshalls.h"
#include "core/math/crypto_core.h"
#include "core/os/os.h"
#include "core/project_settings.h"

View File

@ -34,6 +34,8 @@
#include "core/class_db.h"
#include "core/compressed_translation.h"
#include "core/core_string_names.h"
#include "core/crypto/crypto.h"
#include "core/crypto/hashing_context.h"
#include "core/engine.h"
#include "core/func_ref.h"
#include "core/input_map.h"
@ -70,6 +72,8 @@ 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 +155,19 @@ void register_core_types() {
ClassDB::register_class<StreamPeerTCP>();
ClassDB::register_class<TCP_Server>();
ClassDB::register_class<PacketPeerUDP>();
// Crypto
ClassDB::register_class<HashingContext>();
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 +227,9 @@ 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 +291,11 @@ 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);

View File

@ -31,7 +31,7 @@
#include "ustring.h"
#include "core/color.h"
#include "core/math/crypto_core.h"
#include "core/crypto/crypto_core.h"
#include "core/math/math_funcs.h"
#include "core/os/memory.h"
#include "core/print_string.h"

View File

@ -32,8 +32,8 @@
#include "core/color_names.inc"
#include "core/core_string_names.h"
#include "core/crypto/crypto_core.h"
#include "core/io/compression.h"
#include "core/math/crypto_core.h"
#include "core/object.h"
#include "core/os/os.h"
#include "core/script_language.h"
@ -606,6 +606,13 @@ struct _VariantCall {
r_ret = s;
}
static void _call_PoolByteArray_hex_encode(Variant &r_ret, Variant &p_self, const Variant **p_args) {
PoolByteArray *ba = reinterpret_cast<PoolByteArray *>(p_self._data._mem);
PoolByteArray::Read r = ba->read();
String s = String::hex_encode_buffer(&r[0], ba->size());
r_ret = s;
}
VCALL_LOCALMEM0R(PoolByteArray, size);
VCALL_LOCALMEM2(PoolByteArray, set);
VCALL_LOCALMEM1R(PoolByteArray, get);
@ -1763,6 +1770,7 @@ void register_variant_methods() {
ADDFUNC0R(POOL_BYTE_ARRAY, STRING, PoolByteArray, get_string_from_ascii, varray());
ADDFUNC0R(POOL_BYTE_ARRAY, STRING, PoolByteArray, get_string_from_utf8, varray());
ADDFUNC0R(POOL_BYTE_ARRAY, STRING, PoolByteArray, sha256_string, varray());
ADDFUNC0R(POOL_BYTE_ARRAY, STRING, PoolByteArray, hex_encode, varray());
ADDFUNC1R(POOL_BYTE_ARRAY, POOL_BYTE_ARRAY, PoolByteArray, compress, INT, "compression_mode", varray(0));
ADDFUNC2R(POOL_BYTE_ARRAY, POOL_BYTE_ARRAY, PoolByteArray, decompress, INT, "buffer_size", INT, "compression_mode", varray(0));

View File

@ -30,11 +30,11 @@
#include "editor_export.h"
#include "core/crypto/crypto_core.h"
#include "core/io/config_file.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/io/zip_io.h"
#include "core/math/crypto_core.h"
#include "core/os/dir_access.h"
#include "core/os/file_access.h"
#include "core/project_settings.h"

View File

@ -608,6 +608,18 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
_initial_set("run/output/always_open_output_on_play", true);
_initial_set("run/output/always_close_output_on_stop", false);
/* Network */
// Debug
_initial_set("network/debug/remote_host", "127.0.0.1"); // Hints provided in setup_network
_initial_set("network/debug/remote_port", 6007);
hints["network/debug/remote_port"] = PropertyInfo(Variant::INT, "network/debug/remote_port", PROPERTY_HINT_RANGE, "1,65535,1");
// SSL
_initial_set("network/ssl/editor_ssl_certificates", _SYSTEM_CERTS_PATH);
hints["network/ssl/editor_ssl_certificates"] = PropertyInfo(Variant::STRING, "network/ssl/editor_ssl_certificates", PROPERTY_HINT_GLOBAL_FILE, "*.crt,*.pem");
/* Extra config */
_initial_set("project_manager/sorting_order", 0);
@ -993,11 +1005,11 @@ void EditorSettings::setup_network() {
List<IP_Address> local_ip;
IP::get_singleton()->get_local_addresses(&local_ip);
String lip = "127.0.0.1";
String hint;
String current = has_setting("network/debug/remote_host") ? get("network/debug/remote_host") : "";
int port = has_setting("network/debug/remote_port") ? (int)get("network/debug/remote_port") : 6007;
String selected = "127.0.0.1";
// Check that current remote_host is a valid interface address and populate hints.
for (List<IP_Address>::Element *E = local_ip.front(); E; E = E->next()) {
String ip = E->get();
@ -1008,22 +1020,18 @@ void EditorSettings::setup_network() {
// Same goes for IPv4 link-local (APIPA) addresses.
if (ip.begins_with("169.254.")) // 169.254.0.0/16
continue;
// Select current IP (found)
if (ip == current)
lip = current; //so it saves
selected = ip;
if (hint != "")
hint += ",";
hint += ip;
}
_initial_set("network/debug/remote_host", lip);
// Add hints with valid IP addresses to remote_host property.
add_property_hint(PropertyInfo(Variant::STRING, "network/debug/remote_host", PROPERTY_HINT_ENUM, hint));
_initial_set("network/debug/remote_port", port);
add_property_hint(PropertyInfo(Variant::INT, "network/debug/remote_port", PROPERTY_HINT_RANGE, "1,65535,1"));
// Editor SSL certificates override
_initial_set("network/ssl/editor_ssl_certificates", _SYSTEM_CERTS_PATH);
add_property_hint(PropertyInfo(Variant::STRING, "network/ssl/editor_ssl_certificates", PROPERTY_HINT_GLOBAL_FILE, "*.crt,*.pem"));
// Fix potentially invalid remote_host due to network change.
set("network/debug/remote_host", selected);
}
void EditorSettings::save() {

View File

@ -29,8 +29,8 @@
/*************************************************************************/
#include "editor_scene_importer_gltf.h"
#include "core/crypto/crypto_core.h"
#include "core/io/json.h"
#include "core/math/crypto_core.h"
#include "core/math/math_defs.h"
#include "core/os/file_access.h"
#include "core/os/os.h"

View File

@ -30,6 +30,7 @@
#include "main.h"
#include "core/crypto/crypto.h"
#include "core/input_map.h"
#include "core/io/file_access_network.h"
#include "core/io/file_access_pack.h"
@ -37,8 +38,6 @@
#include "core/io/image_loader.h"
#include "core/io/ip.h"
#include "core/io/resource_loader.h"
#include "core/io/stream_peer_ssl.h"
#include "core/io/stream_peer_tcp.h"
#include "core/message_queue.h"
#include "core/os/dir_access.h"
#include "core/os/os.h"
@ -1741,7 +1740,7 @@ bool Main::start() {
if (!project_manager && !editor) { // game
// Load SSL Certificates from Project Settings (or builtin).
StreamPeerSSL::load_certs_from_memory(StreamPeerSSL::get_project_cert_array());
Crypto::load_default_certificates(GLOBAL_DEF("network/ssl/certificates", ""));
if (game_path != "") {
Node *scene = NULL;
@ -1793,17 +1792,15 @@ bool Main::start() {
}
if (project_manager || editor) {
// Load SSL Certificates from Editor Settings (or builtin).
String certs = EditorSettings::get_singleton()->get_setting("network/ssl/editor_ssl_certificates").operator String();
if (certs != "")
StreamPeerSSL::load_certs_from_file(certs);
else
StreamPeerSSL::load_certs_from_memory(StreamPeerSSL::get_project_cert_array());
// Hide console window if requested (Windows-only).
bool hide_console = EditorSettings::get_singleton()->get_setting("interface/editor/hide_console_window");
OS::get_singleton()->set_console_visible(!hide_console);
}
if (project_manager || editor) {
// Load SSL Certificates from Editor Settings (or builtin)
Crypto::load_default_certificates(EditorSettings::get_singleton()->get_setting("network/ssl/editor_ssl_certificates").operator String());
}
#endif
}

View File

@ -0,0 +1,285 @@
/*************************************************************************/
/* crypto_mbedtls.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_mbedtls.h"
#include "core/os/file_access.h"
#include "core/engine.h"
#include "core/io/certs_compressed.gen.h"
#include "core/io/compression.h"
#include "core/project_settings.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_settings.h"
#endif
#define PEM_BEGIN_CRT "-----BEGIN CERTIFICATE-----\n"
#define PEM_END_CRT "-----END CERTIFICATE-----\n"
#include "mbedtls/pem.h"
#include <mbedtls/debug.h>
CryptoKey *CryptoKeyMbedTLS::create() {
return memnew(CryptoKeyMbedTLS);
}
Error CryptoKeyMbedTLS::load(String p_path) {
ERR_FAIL_COND_V_MSG(locks, ERR_ALREADY_IN_USE, "Key is in use");
PoolByteArray out;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V(!f, ERR_INVALID_PARAMETER);
int flen = f->get_len();
out.resize(flen + 1);
{
PoolByteArray::Write w = out.write();
f->get_buffer(w.ptr(), flen);
w[flen] = 0; //end f string
}
memdelete(f);
int ret = mbedtls_pk_parse_key(&pkey, out.read().ptr(), out.size(), NULL, 0);
// We MUST zeroize the memory for safety!
mbedtls_platform_zeroize(out.write().ptr(), out.size());
ERR_FAIL_COND_V_MSG(ret, FAILED, "Error parsing some certificates: " + itos(ret));
return OK;
}
Error CryptoKeyMbedTLS::save(String p_path) {
FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE);
ERR_FAIL_COND_V(!f, ERR_INVALID_PARAMETER);
unsigned char w[16000];
memset(w, 0, sizeof(w));
int ret = mbedtls_pk_write_key_pem(&pkey, w, sizeof(w));
if (ret != 0) {
memdelete(f);
memset(w, 0, sizeof(w)); // Zeroize anything we might have written.
ERR_FAIL_V_MSG(FAILED, "Error writing key: " + itos(ret));
}
size_t len = strlen((char *)w);
f->store_buffer(w, len);
memdelete(f);
memset(w, 0, sizeof(w)); // Zeroize temporary buffer.
return OK;
}
X509Certificate *X509CertificateMbedTLS::create() {
return memnew(X509CertificateMbedTLS);
}
Error X509CertificateMbedTLS::load(String p_path) {
ERR_FAIL_COND_V_MSG(locks, ERR_ALREADY_IN_USE, "Certificate is in use");
PoolByteArray out;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V(!f, ERR_INVALID_PARAMETER);
int flen = f->get_len();
out.resize(flen + 1);
{
PoolByteArray::Write w = out.write();
f->get_buffer(w.ptr(), flen);
w[flen] = 0; //end f string
}
memdelete(f);
int ret = mbedtls_x509_crt_parse(&cert, out.read().ptr(), out.size());
ERR_FAIL_COND_V_MSG(ret, FAILED, "Error parsing some certificates: " + itos(ret));
return OK;
}
Error X509CertificateMbedTLS::load_from_memory(const uint8_t *p_buffer, int p_len) {
ERR_FAIL_COND_V_MSG(locks, ERR_ALREADY_IN_USE, "Certificate is in use");
int ret = mbedtls_x509_crt_parse(&cert, p_buffer, p_len);
ERR_FAIL_COND_V_MSG(ret, FAILED, "Error parsing certificates: " + itos(ret));
return OK;
}
Error X509CertificateMbedTLS::save(String p_path) {
FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE);
ERR_FAIL_COND_V(!f, ERR_INVALID_PARAMETER);
mbedtls_x509_crt *crt = &cert;
while (crt) {
unsigned char w[4096];
size_t wrote = 0;
int ret = mbedtls_pem_write_buffer(PEM_BEGIN_CRT, PEM_END_CRT, cert.raw.p, cert.raw.len, w, sizeof(w), &wrote);
if (ret != 0 || wrote == 0) {
memdelete(f);
ERR_FAIL_V_MSG(FAILED, "Error writing certificate: " + itos(ret));
}
f->store_buffer(w, wrote - 1); // don't write the string terminator
crt = crt->next;
}
memdelete(f);
return OK;
}
Crypto *CryptoMbedTLS::create() {
return memnew(CryptoMbedTLS);
}
void CryptoMbedTLS::initialize_crypto() {
#ifdef DEBUG_ENABLED
mbedtls_debug_set_threshold(1);
#endif
Crypto::_create = create;
Crypto::_load_default_certificates = load_default_certificates;
X509CertificateMbedTLS::make_default();
CryptoKeyMbedTLS::make_default();
}
void CryptoMbedTLS::finalize_crypto() {
Crypto::_create = NULL;
Crypto::_load_default_certificates = NULL;
if (default_certs) {
memdelete(default_certs);
default_certs = NULL;
}
X509CertificateMbedTLS::finalize();
CryptoKeyMbedTLS::finalize();
}
CryptoMbedTLS::CryptoMbedTLS() {
mbedtls_ctr_drbg_init(&ctr_drbg);
mbedtls_entropy_init(&entropy);
int 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));
}
}
CryptoMbedTLS::~CryptoMbedTLS() {
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_entropy_free(&entropy);
}
X509CertificateMbedTLS *CryptoMbedTLS::default_certs = NULL;
X509CertificateMbedTLS *CryptoMbedTLS::get_default_certificates() {
return default_certs;
}
void CryptoMbedTLS::load_default_certificates(String p_path) {
ERR_FAIL_COND(default_certs != NULL);
default_certs = memnew(X509CertificateMbedTLS);
ERR_FAIL_COND(default_certs == NULL);
String certs_path = GLOBAL_DEF("network/ssl/certificates", "");
if (p_path != "") {
// Use certs defined in project settings.
default_certs->load(p_path);
}
#ifdef BUILTIN_CERTS_ENABLED
else {
// Use builtin certs only if user did not override it in project settings.
PoolByteArray out;
out.resize(_certs_uncompressed_size + 1);
PoolByteArray::Write w = out.write();
Compression::decompress(w.ptr(), _certs_uncompressed_size, _certs_compressed, _certs_compressed_size, Compression::MODE_DEFLATE);
w[_certs_uncompressed_size] = 0; // Make sure it ends with string terminator
#ifdef DEBUG_ENABLED
print_verbose("Loaded builtin certs");
#endif
default_certs->load_from_memory(out.read().ptr(), out.size());
}
#endif
}
Ref<CryptoKey> CryptoMbedTLS::generate_rsa(int p_bytes) {
Ref<CryptoKeyMbedTLS> out;
out.instance();
int ret = mbedtls_pk_setup(&(out->pkey), mbedtls_pk_info_from_type(MBEDTLS_PK_RSA));
ERR_FAIL_COND_V(ret != 0, NULL);
ret = mbedtls_rsa_gen_key(mbedtls_pk_rsa(out->pkey), mbedtls_ctr_drbg_random, &ctr_drbg, p_bytes, 65537);
ERR_FAIL_COND_V(ret != 0, NULL);
return out;
}
Ref<X509Certificate> CryptoMbedTLS::generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) {
Ref<CryptoKeyMbedTLS> key = static_cast<Ref<CryptoKeyMbedTLS> >(p_key);
mbedtls_x509write_cert crt;
mbedtls_x509write_crt_init(&crt);
mbedtls_x509write_crt_set_subject_key(&crt, &(key->pkey));
mbedtls_x509write_crt_set_issuer_key(&crt, &(key->pkey));
mbedtls_x509write_crt_set_subject_name(&crt, p_issuer_name.utf8().get_data());
mbedtls_x509write_crt_set_issuer_name(&crt, p_issuer_name.utf8().get_data());
mbedtls_x509write_crt_set_version(&crt, MBEDTLS_X509_CRT_VERSION_3);
mbedtls_x509write_crt_set_md_alg(&crt, MBEDTLS_MD_SHA256);
mbedtls_mpi serial;
mbedtls_mpi_init(&serial);
uint8_t rand_serial[20];
mbedtls_ctr_drbg_random(&ctr_drbg, rand_serial, 20);
ERR_FAIL_COND_V(mbedtls_mpi_read_binary(&serial, rand_serial, 20), NULL);
mbedtls_x509write_crt_set_serial(&crt, &serial);
mbedtls_x509write_crt_set_validity(&crt, p_not_before.utf8().get_data(), p_not_after.utf8().get_data());
mbedtls_x509write_crt_set_basic_constraints(&crt, 1, -1);
mbedtls_x509write_crt_set_basic_constraints(&crt, 1, 0);
unsigned char buf[4096];
memset(buf, 0, 4096);
Ref<X509CertificateMbedTLS> out;
out.instance();
mbedtls_x509write_crt_pem(&crt, buf, 4096, mbedtls_ctr_drbg_random, &ctr_drbg);
int err = mbedtls_x509_crt_parse(&(out->cert), buf, 4096);
if (err != 0) {
mbedtls_mpi_free(&serial);
mbedtls_x509write_crt_free(&crt);
ERR_PRINTS("Generated invalid certificate: " + itos(err));
return NULL;
}
mbedtls_mpi_free(&serial);
mbedtls_x509write_crt_free(&crt);
return out;
}
PoolByteArray CryptoMbedTLS::generate_random_bytes(int p_bytes) {
PoolByteArray out;
out.resize(p_bytes);
mbedtls_ctr_drbg_random(&ctr_drbg, out.write().ptr(), p_bytes);
return out;
}

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@ -0,0 +1,124 @@
/*************************************************************************/
/* crypto_mbedtls.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_MBEDTLS_H
#define CRYPTO_MBEDTLS_H
#include "core/crypto/crypto.h"
#include "core/resource.h"
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/ssl.h>
class CryptoMbedTLS;
class SSLContextMbedTLS;
class CryptoKeyMbedTLS : public CryptoKey {
private:
mbedtls_pk_context pkey;
int locks;
public:
static CryptoKey *create();
static void make_default() { CryptoKey::_create = create; }
static void finalize() { CryptoKey::_create = NULL; }
virtual Error load(String p_path);
virtual Error save(String p_path);
CryptoKeyMbedTLS() {
mbedtls_pk_init(&pkey);
locks = 0;
}
~CryptoKeyMbedTLS() {
mbedtls_pk_free(&pkey);
}
_FORCE_INLINE_ void lock() { locks++; }
_FORCE_INLINE_ void unlock() { locks--; }
friend class CryptoMbedTLS;
friend class SSLContextMbedTLS;
};
class X509CertificateMbedTLS : public X509Certificate {
private:
mbedtls_x509_crt cert;
int locks;
public:
static X509Certificate *create();
static void make_default() { X509Certificate::_create = create; }
static void finalize() { X509Certificate::_create = NULL; }
virtual Error load(String p_path);
virtual Error load_from_memory(const uint8_t *p_buffer, int p_len);
virtual Error save(String p_path);
X509CertificateMbedTLS() {
mbedtls_x509_crt_init(&cert);
locks = 0;
}
~X509CertificateMbedTLS() {
mbedtls_x509_crt_free(&cert);
}
_FORCE_INLINE_ void lock() { locks++; }
_FORCE_INLINE_ void unlock() { locks--; }
friend class CryptoMbedTLS;
friend class SSLContextMbedTLS;
};
class CryptoMbedTLS : public Crypto {
private:
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
static X509CertificateMbedTLS *default_certs;
public:
static Crypto *create();
static void initialize_crypto();
static void finalize_crypto();
static X509CertificateMbedTLS *get_default_certificates();
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);
CryptoMbedTLS();
~CryptoMbedTLS();
};
#endif // CRYPTO_MBEDTLS_H

View File

@ -30,15 +30,17 @@
#include "register_types.h"
#include "stream_peer_mbed_tls.h"
#include "crypto_mbedtls.h"
#include "stream_peer_mbedtls.h"
void register_mbedtls_types() {
ClassDB::register_class<StreamPeerMbedTLS>();
CryptoMbedTLS::initialize_crypto();
StreamPeerMbedTLS::initialize_ssl();
}
void unregister_mbedtls_types() {
StreamPeerMbedTLS::finalize_ssl();
CryptoMbedTLS::finalize_crypto();
}

View File

@ -0,0 +1,148 @@
/*************************************************************************/
/* ssl_context_mbed_tls.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 "ssl_context_mbedtls.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);
}
Error SSLContextMbedTLS::_setup(int p_endpoint, int p_transport, int p_authmode) {
ERR_FAIL_COND_V_MSG(inited, ERR_ALREADY_IN_USE, "This SSL context is already active");
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
mbedtls_ctr_drbg_init(&ctr_drbg);
mbedtls_entropy_init(&entropy);
inited = true;
int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0);
if (ret != 0) {
clear(); // Never leave unusable resources around.
ERR_FAIL_V_MSG(FAILED, "mbedtls_ctr_drbg_seed returned an error" + itos(ret));
}
ret = mbedtls_ssl_config_defaults(&conf, p_endpoint, p_transport, MBEDTLS_SSL_PRESET_DEFAULT);
if (ret != 0) {
clear();
ERR_FAIL_V_MSG(FAILED, "mbedtls_ssl_config_defaults returned an error" + itos(ret));
}
mbedtls_ssl_conf_authmode(&conf, p_authmode);
mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
return OK;
}
Error SSLContextMbedTLS::init_server(int p_transport, int p_authmode, Ref<CryptoKeyMbedTLS> p_pkey, Ref<X509CertificateMbedTLS> p_cert) {
ERR_FAIL_COND_V(!p_pkey.is_valid(), ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(!p_cert.is_valid(), ERR_INVALID_PARAMETER);
Error err = _setup(MBEDTLS_SSL_IS_SERVER, p_transport, p_authmode);
ERR_FAIL_COND_V(err != OK, err);
// Locking key and certificate(s)
pkey = p_pkey;
certs = p_cert;
if (pkey.is_valid())
pkey->lock();
if (certs.is_valid())
certs->lock();
// Adding key and certificate
int ret = mbedtls_ssl_conf_own_cert(&conf, &(certs->cert), &(pkey->pkey));
if (ret != 0) {
clear();
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Invalid cert/key combination " + itos(ret));
}
// Adding CA chain if available.
if (certs->cert.next) {
mbedtls_ssl_conf_ca_chain(&conf, certs->cert.next, NULL);
}
mbedtls_ssl_setup(&ssl, &conf);
return OK;
}
Error SSLContextMbedTLS::init_client(int p_transport, int p_authmode, Ref<X509CertificateMbedTLS> p_valid_cas) {
X509CertificateMbedTLS *cas = NULL;
if (certs.is_valid()) {
// Locking CA certificates
certs = p_valid_cas;
certs->lock();
cas = certs.ptr();
} else {
// Fall back to default certificates (no need to lock those).
cas = CryptoMbedTLS::get_default_certificates();
ERR_FAIL_COND_V(cas == NULL, ERR_UNCONFIGURED);
}
Error err = _setup(MBEDTLS_SSL_IS_CLIENT, p_transport, p_authmode);
ERR_FAIL_COND_V(err != OK, err);
// Set valid CAs
mbedtls_ssl_conf_ca_chain(&conf, &(cas->cert), NULL);
mbedtls_ssl_setup(&ssl, &conf);
return OK;
}
void SSLContextMbedTLS::clear() {
if (!inited)
return;
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_entropy_free(&entropy);
// Unlock and key and certificates
if (certs.is_valid())
certs->unlock();
certs = Ref<X509Certificate>();
if (pkey.is_valid())
pkey->unlock();
pkey = Ref<CryptoKeyMbedTLS>();
inited = false;
}
mbedtls_ssl_context *SSLContextMbedTLS::get_context() {
ERR_FAIL_COND_V(!inited, NULL);
return &ssl;
}
SSLContextMbedTLS::SSLContextMbedTLS() {
inited = false;
}
SSLContextMbedTLS::~SSLContextMbedTLS() {
clear();
}

View File

@ -0,0 +1,74 @@
/*************************************************************************/
/* ssl_context_mbed_tls.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 SSL_CONTEXT_MBED_TLS_H
#define SSL_CONTEXT_MBED_TLS_H
#include "crypto_mbedtls.h"
#include "core/os/file_access.h"
#include "core/pool_vector.h"
#include "core/reference.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>
class SSLContextMbedTLS : public Reference {
protected:
bool inited;
static PoolByteArray _read_file(String p_path);
public:
Ref<X509CertificateMbedTLS> certs;
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
Ref<CryptoKeyMbedTLS> pkey;
Error _setup(int p_endpoint, int p_transport, int p_authmode);
Error init_server(int p_transport, int p_authmode, Ref<CryptoKeyMbedTLS> p_pkey, Ref<X509CertificateMbedTLS> p_cert);
Error init_client(int p_transport, int p_authmode, Ref<X509CertificateMbedTLS> p_valid_cas);
void clear();
mbedtls_ssl_context *get_context();
SSLContextMbedTLS();
~SSLContextMbedTLS();
};
#endif // SSL_CONTEXT_MBED_TLS_H

View File

@ -28,19 +28,11 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "stream_peer_mbed_tls.h"
#include "stream_peer_mbedtls.h"
#include "core/io/stream_peer_tcp.h"
#include "core/os/file_access.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);
@ -86,18 +78,14 @@ int StreamPeerMbedTLS::bio_recv(void *ctx, unsigned char *buf, size_t len) {
void StreamPeerMbedTLS::_cleanup() {
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_entropy_free(&entropy);
ssl_ctx->clear();
base = Ref<StreamPeer>();
status = STATUS_DISCONNECTED;
}
Error StreamPeerMbedTLS::_do_handshake() {
int ret = 0;
while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
while ((ret = mbedtls_ssl_handshake(ssl_ctx->get_context())) != 0) {
if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
// An error occurred.
ERR_PRINTS("TLS handshake error: " + itos(ret));
@ -118,39 +106,17 @@ Error StreamPeerMbedTLS::_do_handshake() {
return OK;
}
Error StreamPeerMbedTLS::connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs, const String &p_for_hostname) {
ERR_FAIL_COND_V(p_base.is_null(), ERR_INVALID_PARAMETER);
Error StreamPeerMbedTLS::connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs, const String &p_for_hostname, Ref<X509Certificate> p_ca_certs) {
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);
Error err = ssl_ctx->init_client(MBEDTLS_SSL_TRANSPORT_STREAM, authmode, p_ca_certs);
ERR_FAIL_COND_V(err != OK, err);
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));
_cleanup();
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);
mbedtls_ssl_set_hostname(ssl_ctx->get_context(), p_for_hostname.utf8().get_data());
mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, NULL);
status = STATUS_HANDSHAKING;
@ -162,11 +128,24 @@ Error StreamPeerMbedTLS::connect_to_stream(Ref<StreamPeer> p_base, bool p_valida
return OK;
}
Error StreamPeerMbedTLS::accept_stream(Ref<StreamPeer> p_base) {
Error StreamPeerMbedTLS::accept_stream(Ref<StreamPeer> p_base, Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert, Ref<X509Certificate> p_ca_chain) {
Error err = ssl_ctx->init_server(MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_VERIFY_NONE, p_key, p_cert);
ERR_FAIL_COND_V(err != OK, err);
base = p_base;
mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, NULL);
status = STATUS_HANDSHAKING;
if ((err = _do_handshake()) != OK) {
return FAILED;
}
status = STATUS_CONNECTED;
return OK;
}
Error StreamPeerMbedTLS::put_data(const uint8_t *p_data, int p_bytes) {
ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_UNCONFIGURED);
@ -197,7 +176,7 @@ Error StreamPeerMbedTLS::put_partial_data(const uint8_t *p_data, int p_bytes, in
if (p_bytes == 0)
return OK;
int ret = mbedtls_ssl_write(&ssl, p_data, p_bytes);
int ret = mbedtls_ssl_write(ssl_ctx->get_context(), p_data, p_bytes);
if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
// Non blocking IO
ret = 0;
@ -243,7 +222,7 @@ Error StreamPeerMbedTLS::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r
r_received = 0;
int ret = mbedtls_ssl_read(&ssl, p_buffer, p_bytes);
int ret = mbedtls_ssl_read(ssl_ctx->get_context(), 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 == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
@ -273,7 +252,7 @@ void StreamPeerMbedTLS::poll() {
// We could pass NULL as second parameter, but some behaviour sanitizers doesn't seem to like that.
// Passing a 1 byte buffer to workaround it.
uint8_t byte;
int ret = mbedtls_ssl_read(&ssl, &byte, 0);
int ret = mbedtls_ssl_read(ssl_ctx->get_context(), &byte, 0);
if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
// Nothing to read/write (non blocking IO)
@ -298,10 +277,11 @@ int StreamPeerMbedTLS::get_available_bytes() const {
ERR_FAIL_COND_V(status != STATUS_CONNECTED, 0);
return mbedtls_ssl_get_bytes_avail(&ssl);
return mbedtls_ssl_get_bytes_avail(&(ssl_ctx->ssl));
}
StreamPeerMbedTLS::StreamPeerMbedTLS() {
ssl_ctx.instance();
status = STATUS_DISCONNECTED;
}
@ -317,7 +297,7 @@ void StreamPeerMbedTLS::disconnect_from_stream() {
Ref<StreamPeerTCP> tcp = base;
if (tcp.is_valid() && tcp->get_status() == StreamPeerTCP::STATUS_CONNECTED) {
// We are still connected on the socket, try to send close notify.
mbedtls_ssl_close_notify(&ssl);
mbedtls_ssl_close_notify(ssl_ctx->get_context());
}
_cleanup();
@ -333,28 +313,9 @@ 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
available = true;
}
@ -362,6 +323,4 @@ void StreamPeerMbedTLS::finalize_ssl() {
available = false;
_create = NULL;
load_certs_func = NULL;
mbedtls_x509_crt_free(&cacert);
}

View File

@ -32,6 +32,7 @@
#define STREAM_PEER_OPEN_SSL_H
#include "core/io/stream_peer_ssl.h"
#include "ssl_context_mbedtls.h"
#include <mbedtls/config.h>
#include <mbedtls/ctr_drbg.h>
@ -50,19 +51,13 @@ private:
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);
void _cleanup();
protected:
static mbedtls_x509_crt cacert;
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
Ref<SSLContextMbedTLS> ssl_ctx;
static void _bind_methods();
@ -70,8 +65,8 @@ protected:
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 Error accept_stream(Ref<StreamPeer> p_base, Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert, Ref<X509Certificate> p_ca_chain = Ref<X509Certificate>());
virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String(), Ref<X509Certificate> p_valid_cert = Ref<X509Certificate>());
virtual Status get_status() const;
virtual void disconnect_from_stream();

View File

@ -35,7 +35,7 @@
#include "wsl_client.h"
#include "wsl_server.h"
#include "core/math/crypto_core.h"
#include "core/crypto/crypto_core.h"
#include "core/math/random_number_generator.h"
#include "core/os/os.h"

View File

@ -30,9 +30,9 @@
#include "export.h"
#include "core/bind/core_bind.h"
#include "core/crypto/crypto_core.h"
#include "core/io/marshalls.h"
#include "core/io/zip_io.h"
#include "core/math/crypto_core.h"
#include "core/object.h"
#include "core/os/dir_access.h"
#include "core/os/file_access.h"