From 84941bcc9f25cbe3fd3b2604080d0a1cfd8fbaa7 Mon Sep 17 00:00:00 2001
From: peterbell10 <peterbell10@live.co.uk>
Date: Wed, 30 Aug 2017 15:00:06 +0100
Subject: Update mbedtls to 2.5.1 (#3964)

* Renaming changes:
  * macro prefix "POLARSSL" -> "MBEDTLS"
  * functions now prefixed with "mbedtls_"
  * rename PolarSSL++ -> mbedTLS++
  * rename polarssl submodule

* Use mbedtls' AES-CFB8 implementation.

* Add cSslConfig to wrap mbedtls_ssl_config

* Update cTCPLink and cBlockingSslClientSocket to use cSslConfig

* Use cSslConfig in cHTTPServer

* Use cSslConfig for cMojangAPI::SecureRequest

* CI Fixes

* Set -fomit-frame-pointer on the right target
---
 src/mbedTLS++/SslConfig.h | 93 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 src/mbedTLS++/SslConfig.h

(limited to 'src/mbedTLS++/SslConfig.h')

diff --git a/src/mbedTLS++/SslConfig.h b/src/mbedTLS++/SslConfig.h
new file mode 100644
index 000000000..47a4f7b59
--- /dev/null
+++ b/src/mbedTLS++/SslConfig.h
@@ -0,0 +1,93 @@
+
+#pragma once
+
+#include "mbedtls/ssl.h"
+
+// fwd:
+class cCryptoKey;
+class cCtrDrbgContext;
+class cX509Cert;
+
+using cCryptoKeyPtr = std::shared_ptr<cCryptoKey>;
+using cCtrDrbgContextPtr = std::shared_ptr<cCtrDrbgContext>;
+using cX509CertPtr = std::shared_ptr<cX509Cert>;
+
+enum class eSslAuthMode
+{
+	None = 0,      // MBEDTLS_SSL_VERIFY_NONE
+	Optional = 1,  // MBEDTLS_SSL_VERIFY_OPTIONAL
+	Required = 2,  // MBEDTLS_SSL_VERIFY_REQUIRED
+	Unset = 3,     // MBEDTLS_SSL_VERIFY_UNSET
+};
+
+
+
+class cSslConfig
+{
+	friend class cSslContext;
+public:
+	/** Type of the SSL debug callback.
+	Parameters are:
+		void *       Opaque context for the callback
+		int          Debug level
+		const char * File name
+		int          Line number
+		const char * Message */
+	using cDebugCallback = void(*)(void *, int, const char *, int, const char *);
+
+	/** Type of the SSL certificate verify callback.
+	Parameters are:
+		void *             Opaque context for the callback
+		mbedtls_x509_crt * Current cert
+		int                Cert chain depth
+		uint32_t *         Verification flags */
+	using cVerifyCallback = int(*)(void *, mbedtls_x509_crt *, int, uint32_t *);
+
+	cSslConfig();
+	~cSslConfig();
+
+	/** Initialize with mbedTLS default settings. */
+	int InitDefaults(bool a_IsClient);
+
+	/** Set the authorization mode. */
+	void SetAuthMode(eSslAuthMode a_AuthMode);
+
+	/** Set the random number generator. */
+	void SetRng(cCtrDrbgContextPtr a_CtrDrbg);
+
+	/** Set the debug callback. */
+	void SetDebugCallback(cDebugCallback a_CallbackFun, void * a_CallbackData);
+
+	/** Set the certificate verify callback. */
+	void SetVerifyCallback(cVerifyCallback a_CallbackFun, void * a_CallbackData);
+
+	/** Set the enabled cipher suites. */
+	void SetCipherSuites(std::vector<int> a_CipherSuites);
+
+	/** Set the certificate to use for connections. */
+	void SetOwnCert(cX509CertPtr a_OwnCert, cCryptoKeyPtr a_OwnCertPrivKey);
+
+	/** Set the trusted certificate authority chain. */
+	void SetCACerts(cX509CertPtr a_CACert);
+
+	/** Creates a new config with some sensible defaults on top of mbedTLS basic settings. */
+	static std::shared_ptr<cSslConfig> MakeDefaultConfig(bool a_IsClient);
+
+	/** Returns the default config for client connections. */
+	static std::shared_ptr<const cSslConfig> GetDefaultClientConfig();
+
+	/** Returns the default config for server connections. */
+	static std::shared_ptr<const cSslConfig> GetDefaultServerConfig();
+
+private:
+
+	/** Returns a pointer to the wrapped mbedtls representation. */
+	const mbedtls_ssl_config * GetInternal() const { return &m_Config; }
+
+	mbedtls_ssl_config m_Config;
+	cCtrDrbgContextPtr m_CtrDrbg;
+	cX509CertPtr m_OwnCert;
+	cCryptoKeyPtr m_OwnCertPrivKey;
+	cX509CertPtr m_CACerts;
+	std::vector<int> m_CipherSuites;
+};
-- 
cgit v1.2.3