Initial commit: server + serverfiles

server/libserverkey/CheckServerKey.h

@@ -0,0 +1,99 @@
+#pragma once
+
+#include "SIM.h"
+#ifdef _WIN32
+#include <atlenc.h>
+#else
+#include "base64_ssl.h"
+#endif
+#include "PublicKey.Gen.h"
+#include "RSACrypto.h"
+
+using namespace Security;
+
+static FORCEINLINE bool CheckServerKey(const char* serverKey, const char* ip, const char* mac, std::string& errorString)
+{
+	assert(serverKey);
+
+	//
+	// '*'À» '='À¸·Î º¯°æ
+	//
+	std::string key = serverKey;
+	const std::string::size_type npos = -1;
+
+	while (1)
+	{
+		std::string::size_type pos = key.find_first_of('*');
+		if (npos == pos)
+		{
+			break;
+		}
+
+		key[pos] = '=';
+	}
+
+	//
+	// base64 decoding
+	//
+	unsigned char buf[4096];
+	int buflen = sizeof(buf);
+
+#ifdef _WIN32
+	if (FALSE == Base64Decode(key.c_str(), key.size(), buf, &buflen))
+	{
+		errorString = "base64 decode failed";
+		return false;
+	}
+#else
+	if (false == unbase64_ssl((unsigned char *)key.c_str(), key.size(), buf, buflen))
+	{
+		errorString = "base64 decode failed";
+		return false;
+	}
+	buflen = strlen((const char *)buf);
+#endif
+
+	//
+	// get public key
+	//
+	std::vector<unsigned char> publicKeyBuf;
+	CreatePublicKey(publicKeyBuf);
+
+	RSACrypto::PublicKey publicKey;
+	if (false == RSACrypto::RestorePublicKey((const char *)&publicKeyBuf[0], publicKeyBuf.size(), &publicKey))
+	{
+		errorString = "restore public key failed";
+		return false;
+	}
+
+	//
+	// decrypt with public key
+	//
+	Buffer plainBuf = RSACrypto::DecryptPublic(&publicKey, buf, buflen);
+	if (0 == plainBuf.buf)
+	{
+		errorString = "decrypt failed";
+		return false;
+	}
+
+	//
+	// create SIM
+	//
+	SIM sim;
+	if (false == sim.ParseBinary(plainBuf.buf, plainBuf.len))
+	{
+		errorString = "parse sim binary failed";
+		Buffer::Free(plainBuf);
+		return false;
+	}
+
+	//
+	// check ip and mac
+	//
+	if (false == sim.CheckIpAndMac(ip, mac))
+	{
+		errorString = "cannot find ip/mac info";
+		return false;
+	}
+	return true;
+}