Added Yggdrasil Authentication System
Code by Howaner. Fixes/Changes by me.
This commit is contained in:
daniel0916
parent
83b25d085c
commit
b506a74076
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@ -1,267 +0,0 @@
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#include "Authenticator.h"
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#include "OSSupport/BlockingTCPLink.h"
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#include "Root.h"
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#include "Server.h"
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#include "inifile/iniFile.h"
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#include <sstream>
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#define DEFAULT_AUTH_SERVER "session.minecraft.net"
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#define DEFAULT_AUTH_ADDRESS "/game/checkserver.jsp?user=%USERNAME%&serverId=%SERVERID%"
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#define MAX_REDIRECTS 10
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cAuthenticator::cAuthenticator(void) :
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super("cAuthenticator"),
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m_Server(DEFAULT_AUTH_SERVER),
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m_Address(DEFAULT_AUTH_ADDRESS),
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m_ShouldAuthenticate(true)
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{
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}
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cAuthenticator::~cAuthenticator()
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{
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Stop();
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}
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void cAuthenticator::ReadINI(cIniFile & IniFile)
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{
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m_Server = IniFile.GetValueSet("Authentication", "Server", DEFAULT_AUTH_SERVER);
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m_Address = IniFile.GetValueSet("Authentication", "Address", DEFAULT_AUTH_ADDRESS);
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m_ShouldAuthenticate = IniFile.GetValueSetB("Authentication", "Authenticate", true);
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}
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void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash)
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{
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if (!m_ShouldAuthenticate)
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{
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cRoot::Get()->AuthenticateUser(a_ClientID);
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return;
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}
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cCSLock Lock(m_CS);
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m_Queue.push_back(cUser(a_ClientID, a_UserName, a_ServerHash));
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m_QueueNonempty.Set();
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}
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void cAuthenticator::Start(cIniFile & IniFile)
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{
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ReadINI(IniFile);
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m_ShouldTerminate = false;
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super::Start();
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}
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void cAuthenticator::Stop(void)
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{
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m_ShouldTerminate = true;
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m_QueueNonempty.Set();
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Wait();
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}
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void cAuthenticator::Execute(void)
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{
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for (;;)
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{
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cCSLock Lock(m_CS);
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while (!m_ShouldTerminate && (m_Queue.size() == 0))
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{
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cCSUnlock Unlock(Lock);
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m_QueueNonempty.Wait();
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}
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if (m_ShouldTerminate)
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{
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return;
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}
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ASSERT(!m_Queue.empty());
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int ClientID = m_Queue.front().m_ClientID;
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AString UserName = m_Queue.front().m_Name;
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AString ActualAddress = m_Address;
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ReplaceString(ActualAddress, "%USERNAME%", UserName);
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ReplaceString(ActualAddress, "%SERVERID%", m_Queue.front().m_ServerID);
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m_Queue.pop_front();
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Lock.Unlock();
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if (!AuthFromAddress(m_Server, ActualAddress, UserName))
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{
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cRoot::Get()->KickUser(ClientID, "Failed to authenticate account!");
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}
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else
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{
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cRoot::Get()->AuthenticateUser(ClientID);
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}
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} // for (-ever)
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}
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bool cAuthenticator::AuthFromAddress(const AString & a_Server, const AString & a_Address, const AString & a_UserName, int a_Level /* = 1 */)
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{
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// Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep)
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cBlockingTCPLink Link;
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if (!Link.Connect(a_Server.c_str(), 80))
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{
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LOGWARNING("%s: cannot connect to auth server \"%s\", kicking user \"%s\"",
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__FUNCTION__, a_Server.c_str(), a_UserName.c_str()
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);
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return false;
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}
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Link.SendMessage( AString( "GET " + a_Address + " HTTP/1.1\r\n" ).c_str());
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Link.SendMessage( AString( "User-Agent: MCServer\r\n" ).c_str());
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Link.SendMessage( AString( "Host: " + a_Server + "\r\n" ).c_str());
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//Link.SendMessage( AString( "Host: session.minecraft.net\r\n" ).c_str());
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Link.SendMessage( AString( "Accept: */*\r\n" ).c_str());
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Link.SendMessage( AString( "Connection: close\r\n" ).c_str()); //Close so we don´t have to mess with the Content-Length :)
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Link.SendMessage( AString( "\r\n" ).c_str());
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AString DataRecvd;
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Link.ReceiveData(DataRecvd);
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Link.CloseSocket();
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std::stringstream ss(DataRecvd);
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// Parse the data received:
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std::string temp;
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ss >> temp;
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bool bRedirect = false;
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bool bOK = false;
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if ((temp.compare("HTTP/1.1") == 0) || (temp.compare("HTTP/1.0") == 0))
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{
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int code;
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ss >> code;
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if (code == 302)
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{
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// redirect blabla
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LOGD("%s: Need to redirect, current level %d!", __FUNCTION__, a_Level);
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if (a_Level > MAX_REDIRECTS)
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{
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LOGERROR("cAuthenticator: received too many levels of redirection from auth server \"%s\" for user \"%s\", bailing out and kicking the user", a_Server.c_str(), a_UserName.c_str());
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return false;
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}
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bRedirect = true;
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}
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else if (code == 200)
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{
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LOGD("cAuthenticator: Received status 200 OK! :D");
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bOK = true;
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}
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}
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else
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{
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LOGERROR("cAuthenticator: cannot parse auth reply from server \"%s\" for user \"%s\", kicking the user.", a_Server.c_str(), a_UserName.c_str());
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return false;
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}
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if( bRedirect )
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{
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AString Location;
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// Search for "Location:"
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bool bFoundLocation = false;
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while( !bFoundLocation && ss.good() )
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{
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char c = 0;
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while( c != '\n' )
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{
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ss.get( c );
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}
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AString Name;
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ss >> Name;
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if (Name.compare("Location:") == 0)
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{
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bFoundLocation = true;
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ss >> Location;
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}
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}
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if (!bFoundLocation)
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{
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LOGERROR("cAuthenticator: received invalid redirection from auth server \"%s\" for user \"%s\", kicking user.", a_Server.c_str(), a_UserName.c_str());
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return false;
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}
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Location = Location.substr(strlen("http://"), std::string::npos); // Strip http://
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std::string Server = Location.substr( 0, Location.find( "/" ) ); // Only leave server address
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Location = Location.substr( Server.length(), std::string::npos);
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return AuthFromAddress(Server, Location, a_UserName, a_Level + 1);
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}
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if (!bOK)
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{
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LOGERROR("cAuthenticator: received an error from auth server \"%s\" for user \"%s\", kicking user.", a_Server.c_str(), a_UserName.c_str());
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return false;
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}
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// Header says OK, so receive the rest.
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// Go past header, double \n means end of headers
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char c = 0;
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while (ss.good())
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{
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while (c != '\n')
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{
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ss.get(c);
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}
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ss.get(c);
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if( c == '\n' || c == '\r' || ss.peek() == '\r' || ss.peek() == '\n' )
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break;
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}
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if (!ss.good())
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{
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LOGERROR("cAuthenticator: error while parsing response body from auth server \"%s\" for user \"%s\", kicking user.", a_Server.c_str(), a_UserName.c_str());
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return false;
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}
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std::string Result;
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ss >> Result;
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LOGD("cAuthenticator: Authentication result was %s", Result.c_str());
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if (Result.compare("YES") == 0) //Works well
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{
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LOGINFO("Authentication result \"YES\", player authentication success!");
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return true;
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}
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LOGINFO("Authentication result was \"%s\", player authentication failure!", Result.c_str());
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return false;
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}
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@ -24,7 +24,7 @@
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#include "Root.h"
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#include "Authenticator.h"
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#include "Protocol/Authenticator.h"
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#include "MersenneTwister.h"
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#include "Protocol/ProtocolRecognizer.h"
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@ -188,7 +188,7 @@ void cClientHandle::Kick(const AString & a_Reason)
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void cClientHandle::Authenticate(void)
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void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID)
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{
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if (m_State != csAuthenticating)
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{
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@ -197,6 +197,9 @@ void cClientHandle::Authenticate(void)
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ASSERT( m_Player == NULL );
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m_Username = a_Name;
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m_UUID = a_UUID;
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// Spawn player (only serversided, so data is loaded)
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m_Player = new cPlayer(this, GetUsername());
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@ -62,8 +62,11 @@ public:
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cPlayer* GetPlayer() { return m_Player; } // tolua_export
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const AString & GetUUID(void) const { return m_UUID; } // tolua_export
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void setUUID(const AString & a_UUID) { m_UUID = a_UUID; }
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void Kick(const AString & a_Reason); // tolua_export
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void Authenticate(void); // Called by cAuthenticator when the user passes authentication
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void Authenticate(const AString & a_Name, const AString & a_UUID); // Called by cAuthenticator when the user passes authentication
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void StreamChunks(void);
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@ -326,6 +329,7 @@ private:
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static int s_ClientCount;
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int m_UniqueID;
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AString m_UUID;
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/** Set to true when the chunk where the player is is sent to the client. Used for spawning the player */
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bool m_HasSentPlayerChunk;
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@ -0,0 +1,325 @@
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#include "Authenticator.h"
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#include "OSSupport/BlockingTCPLink.h"
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#include "Root.h"
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#include "Server.h"
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#include "inifile/iniFile.h"
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#include "json/json.h"
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#include "polarssl/config.h"
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#include "polarssl/net.h"
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#include "polarssl/ssl.h"
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#include "polarssl/entropy.h"
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#include "polarssl/ctr_drbg.h"
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#include "polarssl/error.h"
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#include "polarssl/certs.h"
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#include <sstream>
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#include <iomanip>
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#define DEFAULT_AUTH_SERVER "sessionserver.mojang.com"
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#define DEFAULT_AUTH_ADDRESS "/session/minecraft/hasJoined?username=%USERNAME%&serverId=%SERVERID%"
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#define MAX_REDIRECTS 10
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cAuthenticator::cAuthenticator(void) :
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super("cAuthenticator"),
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m_Server(DEFAULT_AUTH_SERVER),
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m_Address(DEFAULT_AUTH_ADDRESS),
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m_ShouldAuthenticate(true)
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{
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}
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cAuthenticator::~cAuthenticator()
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{
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Stop();
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}
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void cAuthenticator::ReadINI(cIniFile & IniFile)
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{
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m_Server = IniFile.GetValueSet("Authentication", "Server", DEFAULT_AUTH_SERVER);
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m_Address = IniFile.GetValueSet("Authentication", "Address", DEFAULT_AUTH_ADDRESS);
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m_ShouldAuthenticate = IniFile.GetValueSetB("Authentication", "Authenticate", true);
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}
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void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash)
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{
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if (!m_ShouldAuthenticate)
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{
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cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, Printf("%d", a_ClientID));
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return;
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}
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cCSLock LOCK(m_CS);
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m_Queue.push_back(cUser(a_ClientID, a_UserName, a_ServerHash));
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m_QueueNonempty.Set();
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}
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void cAuthenticator::Start(cIniFile & IniFile)
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{
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ReadINI(IniFile);
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m_ShouldTerminate = false;
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super::Start();
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}
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void cAuthenticator::Stop(void)
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{
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m_ShouldTerminate = true;
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m_QueueNonempty.Set();
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Wait();
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}
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void cAuthenticator::Execute(void)
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{
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for (;;)
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{
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cCSLock Lock(m_CS);
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while (!m_ShouldTerminate && (m_Queue.size() == 0))
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{
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cCSUnlock Unlock(Lock);
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m_QueueNonempty.Wait();
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}
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if (m_ShouldTerminate)
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{
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return;
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}
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ASSERT(!m_Queue.empty());
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int ClientID = m_Queue.front().m_ClientID;
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AString UserName = m_Queue.front().m_Name;
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AString ServerID = m_Queue.front().m_ServerID;
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m_Queue.pop_front();
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Lock.Unlock();
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AString NewUserName = UserName;
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AString UUID;
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if (AuthWithYggdrasil(NewUserName, ServerID, UUID))
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{
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LOGINFO("User %s authenticated with UUID '%s'", NewUserName.c_str(), UUID.c_str());
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cRoot::Get()->AuthenticateUser(ClientID, NewUserName, UUID);
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}
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else
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{
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cRoot::Get()->KickUser(ClientID, "Failed to authenticate account!");
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}
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} // for (-ever)
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}
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bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID)
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{
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AString REQUEST;
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int ret, len, server_fd = -1;
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unsigned char buf[1024];
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const char *pers = "cAuthenticator";
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entropy_context entropy;
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ctr_drbg_context ctr_drbg;
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ssl_context ssl;
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x509_crt cacert;
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/* Initialize the RNG and the session data */
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memset(&ssl, 0, sizeof(ssl_context));
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x509_crt_init(&cacert);
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entropy_init(&entropy);
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if ((ret = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char *)pers, strlen(pers))) != 0)
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{
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LOGERROR("cAuthenticator: ctr_drbg_init returned %d", ret);
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return false;
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}
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/* Initialize certificates */
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#if defined(POLARSSL_CERTS_C)
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ret = x509_crt_parse(&cacert, (const unsigned char *)test_ca_list, strlen(test_ca_list));
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#else
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ret = 1;
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LOGWARNING("cAuthenticator: POLARSSL_CERTS_C is not defined.");
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#endif
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if (ret < 0)
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{
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LOGERROR("cAuthenticator: x509_crt_parse returned -0x%x", -ret);
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return false;
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}
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/* Connect */
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if ((ret = net_connect(&server_fd, m_Server.c_str(), 443)) != 0)
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{
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LOGERROR("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret);
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return false;
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}
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/* Setup */
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if ((ret = ssl_init(&ssl)) != 0)
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{
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LOGERROR("cAuthenticator: ssl_init returned %d", ret);
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return false;
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}
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ssl_set_endpoint(&ssl, SSL_IS_CLIENT);
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ssl_set_authmode(&ssl, SSL_VERIFY_OPTIONAL);
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ssl_set_ca_chain(&ssl, &cacert, NULL, "PolarSSL Server 1");
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ssl_set_rng(&ssl, ctr_drbg_random, &ctr_drbg);
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ssl_set_bio(&ssl, net_recv, &server_fd, net_send, &server_fd);
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/* Handshake */
|
||||
while ((ret = ssl_handshake(&ssl)) != 0)
|
||||
{
|
||||
if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
|
||||
{
|
||||
LOGERROR("cAuthenticator: ssl_handshake returned -0x%x", -ret);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Write the GET request */
|
||||
AString ActualAddress = m_Address;
|
||||
ReplaceString(ActualAddress, "%USERNAME%", a_UserName);
|
||||
ReplaceString(ActualAddress, "%SERVERID%", a_ServerId);
|
||||
|
||||
REQUEST += "GET " + ActualAddress + " HTTP/1.1\r\n";
|
||||
REQUEST += "Host: " + m_Server + "\r\n";
|
||||
REQUEST += "User-Agent: MCServer\r\n";
|
||||
REQUEST += "Connection: close\r\n";
|
||||
REQUEST += "\r\n";
|
||||
|
||||
len = sprintf_s((char *)buf, sizeof(buf), REQUEST.c_str());
|
||||
|
||||
while ((ret = ssl_write(&ssl, buf, len)) <= 0)
|
||||
{
|
||||
if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
|
||||
{
|
||||
LOGERROR("cAuthenticator: ssl_write returned %d", ret);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Read the HTTP response */
|
||||
std::string Builder;
|
||||
for (;;)
|
||||
{
|
||||
len = sizeof(buf)-1;
|
||||
memset(buf, 0, sizeof(buf));
|
||||
ret = ssl_read(&ssl, buf, len);
|
||||
if (ret > 0)
|
||||
{
|
||||
buf[ret] = '\0';
|
||||
}
|
||||
|
||||
if (ret == POLARSSL_ERR_NET_WANT_READ || ret == POLARSSL_ERR_NET_WANT_WRITE)
|
||||
continue;
|
||||
if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
|
||||
break;
|
||||
if (ret < 0)
|
||||
{
|
||||
LOGERROR("cAuthenticator: ssl_read returned %d", ret);
|
||||
break;
|
||||
}
|
||||
if (ret == 0)
|
||||
{
|
||||
LOGERROR("cAuthenticator: EOF");
|
||||
break;
|
||||
}
|
||||
|
||||
std::string str;
|
||||
str.append(reinterpret_cast<const char*>(buf));
|
||||
Builder += str;
|
||||
}
|
||||
|
||||
ssl_close_notify(&ssl);
|
||||
x509_crt_free(&cacert);
|
||||
net_close(server_fd);
|
||||
ssl_free(&ssl);
|
||||
entropy_free(&entropy);
|
||||
memset(&ssl, 0, sizeof(ssl));
|
||||
|
||||
std::string prefix("HTTP/1.1 200 OK");
|
||||
if (Builder.compare(0, prefix.size(), prefix))
|
||||
return false;
|
||||
|
||||
std::stringstream ResponseBuilder;
|
||||
bool NewLine = false;
|
||||
bool IsNewLine = false;
|
||||
for (std::string::const_iterator i = Builder.begin(); i <= Builder.end(); ++i)
|
||||
{
|
||||
if (NewLine)
|
||||
{
|
||||
ResponseBuilder << *i;
|
||||
}
|
||||
else if (!NewLine && *i == '\n')
|
||||
{
|
||||
if (IsNewLine)
|
||||
{
|
||||
NewLine = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
IsNewLine = true;
|
||||
}
|
||||
}
|
||||
else if (*i != '\r')
|
||||
{
|
||||
IsNewLine = false;
|
||||
}
|
||||
}
|
||||
|
||||
AString RESPONSE = ResponseBuilder.str();
|
||||
|
||||
if (RESPONSE.empty())
|
||||
return false;
|
||||
|
||||
Json::Value root;
|
||||
Json::Reader reader;
|
||||
if (!reader.parse(RESPONSE, root, false))
|
||||
{
|
||||
LOGWARNING("cAuthenticator: Cannot parse Received Data to json!");
|
||||
return false;
|
||||
}
|
||||
|
||||
a_UserName = root.get("name", "Unknown").asString();
|
||||
a_UUID = root.get("id", "").asString();
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
@ -14,7 +14,7 @@
|
|||
#ifndef CAUTHENTICATOR_H_INCLUDED
|
||||
#define CAUTHENTICATOR_H_INCLUDED
|
||||
|
||||
#include "OSSupport/IsThread.h"
|
||||
#include "../OSSupport/IsThread.h"
|
||||
|
||||
|
||||
|
||||
|
|
@ -31,23 +31,23 @@ class cAuthenticator :
|
|||
public cIsThread
|
||||
{
|
||||
typedef cIsThread super;
|
||||
|
||||
|
||||
public:
|
||||
cAuthenticator(void);
|
||||
~cAuthenticator();
|
||||
|
||||
/// (Re-)read server and address from INI:
|
||||
/** (Re-)read server and address from INI: */
|
||||
void ReadINI(cIniFile & IniFile);
|
||||
|
||||
/// Queues a request for authenticating a user. If the auth fails, the user is kicked
|
||||
/** Queues a request for authenticating a user. If the auth fails, the user will be kicked */
|
||||
void Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash);
|
||||
|
||||
/// Starts the authenticator thread. The thread may be started and stopped repeatedly
|
||||
/** Starts the authenticator thread. The thread may be started and stopped repeatedly */
|
||||
void Start(cIniFile & IniFile);
|
||||
|
||||
/// Stops the authenticator thread. The thread may be started and stopped repeatedly
|
||||
|
||||
/** Stops the authenticator thread. The thread may be started and stopped repeatedly */
|
||||
void Stop(void);
|
||||
|
||||
|
||||
private:
|
||||
|
||||
class cUser
|
||||
|
|
@ -56,30 +56,30 @@ private:
|
|||
int m_ClientID;
|
||||
AString m_Name;
|
||||
AString m_ServerID;
|
||||
|
||||
|
||||
cUser(int a_ClientID, const AString & a_Name, const AString & a_ServerID) :
|
||||
m_ClientID(a_ClientID),
|
||||
m_Name(a_Name),
|
||||
m_ServerID(a_ServerID)
|
||||
{
|
||||
}
|
||||
} ;
|
||||
|
||||
};
|
||||
|
||||
typedef std::deque<cUser> cUserList;
|
||||
|
||||
|
||||
cCriticalSection m_CS;
|
||||
cUserList m_Queue;
|
||||
cEvent m_QueueNonempty;
|
||||
|
||||
|
||||
AString m_Server;
|
||||
AString m_Address;
|
||||
bool m_ShouldAuthenticate;
|
||||
|
||||
// cIsThread override:
|
||||
|
||||
/** cIsThread override: */
|
||||
virtual void Execute(void) override;
|
||||
|
||||
// Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep)
|
||||
bool AuthFromAddress(const AString & a_Server, const AString & a_Address, const AString & a_UserName, int a_Level = 1);
|
||||
|
||||
/** Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep) */
|
||||
bool AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID);
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -499,9 +499,9 @@ void cRoot::KickUser(int a_ClientID, const AString & a_Reason)
|
|||
|
||||
|
||||
|
||||
void cRoot::AuthenticateUser(int a_ClientID)
|
||||
void cRoot::AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID)
|
||||
{
|
||||
m_Server->AuthenticateUser(a_ClientID);
|
||||
m_Server->AuthenticateUser(a_ClientID, a_Name, a_UUID);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include "Authenticator.h"
|
||||
#include "Protocol/Authenticator.h"
|
||||
#include "HTTPServer/HTTPServer.h"
|
||||
#include "Defines.h"
|
||||
|
||||
|
|
@ -89,7 +89,7 @@ public:
|
|||
void KickUser(int a_ClientID, const AString & a_Reason);
|
||||
|
||||
/// Called by cAuthenticator to auth the specified user
|
||||
void AuthenticateUser(int a_ClientID);
|
||||
void AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID);
|
||||
|
||||
/// Executes commands queued in the command queue
|
||||
void TickCommands(void);
|
||||
|
|
|
|||
|
|
@ -615,14 +615,14 @@ void cServer::KickUser(int a_ClientID, const AString & a_Reason)
|
|||
|
||||
|
||||
|
||||
void cServer::AuthenticateUser(int a_ClientID)
|
||||
void cServer::AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID)
|
||||
{
|
||||
cCSLock Lock(m_CSClients);
|
||||
for (ClientList::iterator itr = m_Clients.begin(); itr != m_Clients.end(); ++itr)
|
||||
{
|
||||
if ((*itr)->GetUniqueID() == a_ClientID)
|
||||
{
|
||||
(*itr)->Authenticate();
|
||||
(*itr)->Authenticate(a_Name, a_UUID);
|
||||
return;
|
||||
}
|
||||
} // for itr - m_Clients[]
|
||||
|
|
|
|||
|
|
@ -83,7 +83,7 @@ public: // tolua_export
|
|||
void Shutdown(void);
|
||||
|
||||
void KickUser(int a_ClientID, const AString & a_Reason);
|
||||
void AuthenticateUser(int a_ClientID); // Called by cAuthenticator to auth the specified user
|
||||
void AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID); // Called by cAuthenticator to auth the specified user
|
||||
|
||||
const AString & GetServerID(void) const { return m_ServerID; } // tolua_export
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue