Implemented the 1.7.6 protocol and authenticator.
Server works both in online and offline modes with 1.7.9.
This commit is contained in:
madmaxoft
parent
d505ffc704
commit
d12d7b6715
@ -178,21 +178,32 @@ void cClientHandle::Destroy(void)
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void cClientHandle::GenerateOfflineUUID(void)
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{
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m_UUID = GenerateOfflineUUID(m_Username);
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}
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AString cClientHandle::GenerateOfflineUUID(const AString & a_Username)
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{
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// Proper format for a version 3 UUID is:
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// xxxxxxxx-xxxx-3xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B
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// Generate an md5 checksum, and use it as base for the ID:
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MD5 Checksum(m_Username);
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m_UUID = Checksum.hexdigest();
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m_UUID[12] = '3'; // Version 3 UUID
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m_UUID[16] = '8'; // Variant 1 UUID
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MD5 Checksum(a_Username);
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AString UUID = Checksum.hexdigest();
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UUID[12] = '3'; // Version 3 UUID
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UUID[16] = '8'; // Variant 1 UUID
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// Now the digest doesn't have the UUID slashes, but the client requires them, so add them into the appropriate positions:
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m_UUID.insert(8, "-");
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m_UUID.insert(13, "-");
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m_UUID.insert(18, "-");
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m_UUID.insert(23, "-");
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UUID.insert(8, "-");
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UUID.insert(13, "-");
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UUID.insert(18, "-");
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UUID.insert(23, "-");
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return UUID;
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}
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@ -223,6 +234,9 @@ void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID)
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m_Username = a_Name;
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m_UUID = a_UUID;
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// Send login success (if the protocol supports it):
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m_Protocol->SendLoginSuccess();
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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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@ -65,10 +65,16 @@ public:
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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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/** Generates an UUID based on the username stored for this client, and stores it in the m_UUID member.
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This is used for the offline (non-auth) mode, when there's no UUID source.
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Each username generates a unique and constant UUID, so that when the player reconnects with the same name, their UUID is the same.
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Internally calls the GenerateOfflineUUID static function. */
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void GenerateOfflineUUID(void);
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/** Generates an UUID based on the player name provided.
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This is used for the offline (non-auth) mode, when there's no UUID source.
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Each username generates a unique and constant UUID, so that when the player reconnects with the same name, their UUID is the same. */
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void GenerateOfflineUUID(void);
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static AString GenerateOfflineUUID(const AString & a_Username); // tolua_export
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void Kick(const AString & a_Reason); // tolua_export
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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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@ -2,9 +2,10 @@
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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 "../OSSupport/BlockingTCPLink.h"
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#include "../Root.h"
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#include "../Server.h"
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#include "../ClientHandle.h"
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#include "inifile/iniFile.h"
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#include "json/json.h"
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@ -32,10 +33,10 @@
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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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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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@ -67,7 +68,7 @@ void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, co
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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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cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, cClientHandle::GenerateOfflineUUID(a_UserName));
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return;
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}
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@ -144,9 +145,9 @@ void cAuthenticator::Execute(void)
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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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LOGD("Trying to auth user %s", a_UserName.c_str());
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int ret, server_fd = -1;
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size_t len = 0;
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unsigned char buf[1024];
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const char *pers = "cAuthenticator";
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@ -162,36 +163,31 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
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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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LOGWARNING("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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// TODO: Grab the sessionserver's root CA and any intermediates and hard-code them here, instead of test_ca_list
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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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LOGWARNING("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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LOGWARNING("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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LOGWARNING("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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@ -203,9 +199,9 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
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/* Handshake */
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while ((ret = ssl_handshake(&ssl)) != 0)
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{
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if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
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if ((ret != POLARSSL_ERR_NET_WANT_READ) && (ret != POLARSSL_ERR_NET_WANT_WRITE))
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{
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LOGERROR("cAuthenticator: ssl_handshake returned -0x%x", -ret);
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LOGWARNING("cAuthenticator: ssl_handshake returned -0x%x", -ret);
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return false;
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}
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}
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@ -215,54 +211,47 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
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ReplaceString(ActualAddress, "%USERNAME%", a_UserName);
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ReplaceString(ActualAddress, "%SERVERID%", a_ServerId);
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REQUEST += "GET " + ActualAddress + " HTTP/1.1\r\n";
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REQUEST += "Host: " + m_Server + "\r\n";
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REQUEST += "User-Agent: MCServer\r\n";
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REQUEST += "Connection: close\r\n";
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REQUEST += "\r\n";
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AString Request;
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Request += "GET " + ActualAddress + " HTTP/1.1\r\n";
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Request += "Host: " + m_Server + "\r\n";
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Request += "User-Agent: MCServer\r\n";
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Request += "Connection: close\r\n";
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Request += "\r\n";
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len = REQUEST.size();
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strcpy((char *)buf, REQUEST.c_str());
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while ((ret = ssl_write(&ssl, buf, len)) <= 0)
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ret = ssl_write(&ssl, (const unsigned char *)Request.c_str(), Request.size());
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if (ret <= 0)
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{
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if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
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{
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LOGERROR("cAuthenticator: ssl_write returned %d", ret);
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return false;
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}
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LOGWARNING("cAuthenticator: ssl_write returned %d", ret);
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return false;
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}
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/* Read the HTTP response */
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std::string Builder;
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std::string Response;
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for (;;)
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{
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len = sizeof(buf)-1;
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memset(buf, 0, sizeof(buf));
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ret = ssl_read(&ssl, buf, len);
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if (ret > 0)
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{
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buf[ret] = '\0';
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}
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ret = ssl_read(&ssl, buf, sizeof(buf));
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if (ret == POLARSSL_ERR_NET_WANT_READ || ret == POLARSSL_ERR_NET_WANT_WRITE)
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if ((ret == POLARSSL_ERR_NET_WANT_READ) || (ret == POLARSSL_ERR_NET_WANT_WRITE))
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{
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continue;
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}
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if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
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{
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break;
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}
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if (ret < 0)
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{
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LOGERROR("cAuthenticator: ssl_read returned %d", ret);
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LOGWARNING("cAuthenticator: ssl_read returned %d", ret);
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break;
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}
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if (ret == 0)
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{
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LOGERROR("cAuthenticator: EOF");
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LOGWARNING("cAuthenticator: EOF");
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break;
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}
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std::string str;
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str.append(reinterpret_cast<const char*>(buf));
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Builder += str;
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Response.append((const char *)buf, ret);
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}
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ssl_close_notify(&ssl);
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@ -272,51 +261,49 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
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entropy_free(&entropy);
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memset(&ssl, 0, sizeof(ssl));
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std::string prefix("HTTP/1.1 200 OK");
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if (Builder.compare(0, prefix.size(), prefix))
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return false;
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std::stringstream ResponseBuilder;
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bool NewLine = false;
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bool IsNewLine = false;
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for (std::string::const_iterator i = Builder.begin(); i <= Builder.end(); ++i)
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// Check the HTTP status line:
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AString prefix("HTTP/1.1 200 OK");
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AString HexDump;
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if (Response.compare(0, prefix.size(), prefix))
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{
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if (NewLine)
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{
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ResponseBuilder << *i;
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}
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else if (!NewLine && *i == '\n')
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{
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if (IsNewLine)
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{
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NewLine = true;
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}
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else
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{
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IsNewLine = true;
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}
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}
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else if (*i != '\r')
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{
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IsNewLine = false;
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}
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LOGINFO("User \"%s\" failed to auth, bad http status line received", a_UserName.c_str());
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LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
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return false;
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}
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AString RESPONSE = ResponseBuilder.str();
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if (RESPONSE.empty())
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// Erase the HTTP headers from the response:
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size_t idxHeadersEnd = Response.find("\r\n\r\n");
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if (idxHeadersEnd == AString::npos)
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{
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LOGINFO("User \"%s\" failed to authenticate, bad http response header received", a_UserName.c_str());
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LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
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return false;
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}
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Response.erase(0, idxHeadersEnd + 4);
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// Parse the Json response:
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if (Response.empty())
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{
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return false;
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}
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Json::Value root;
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Json::Reader reader;
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if (!reader.parse(RESPONSE, root, false))
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if (!reader.parse(Response, root, false))
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{
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LOGWARNING("cAuthenticator: Cannot parse Received Data to json!");
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return false;
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}
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a_UserName = root.get("name", "Unknown").asString();
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a_UUID = root.get("id", "").asString();
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// If the UUID doesn't contain the hashes, insert them at the proper places:
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if (a_UUID.size() == 32)
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{
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a_UUID.insert(8, "-");
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a_UUID.insert(13, "-");
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a_UUID.insert(18, "-");
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a_UUID.insert(23, "-");
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}
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return true;
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}
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@ -83,6 +83,7 @@ public:
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virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
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virtual void SendKeepAlive (int a_PingID) = 0;
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virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0;
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virtual void SendLoginSuccess (void) = 0;
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virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) = 0;
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virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) = 0;
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virtual void SendMapInfo (int a_ID, unsigned int a_Scale) = 0;
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@ -594,6 +594,15 @@ void cProtocol125::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
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void cProtocol125::SendLoginSuccess(void)
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{
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// Not supported in this protocol version
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}
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void cProtocol125::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
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{
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cCSLock Lock(m_CSPacket);
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@ -642,6 +651,17 @@ void cProtocol125::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decor
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void cProtocol125::SendMapInfo(int a_ID, unsigned int a_Scale)
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{
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// This protocol doesn't support such message
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UNUSED(a_ID);
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UNUSED(a_Scale);
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}
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void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup)
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{
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cCSLock Lock(m_CSPacket);
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@ -683,6 +703,16 @@ void cProtocol125::SendParticleEffect(const AString & a_ParticleName, float a_Sr
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void cProtocol125::SendPaintingSpawn(const cPainting & a_Painting)
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{
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// Not implemented in this protocol version
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UNUSED(a_Painting);
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}
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void cProtocol125::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
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{
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cCSLock Lock(m_CSPacket);
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@ -842,6 +872,18 @@ void cProtocol125::SendExperienceOrb(const cExpOrb & a_ExpOrb)
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void cProtocol125::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
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{
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// This protocol version doesn't support such message
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UNUSED(a_Name);
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UNUSED(a_DisplayName);
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UNUSED(a_Mode);
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}
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void cProtocol125::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch)
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{
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// Not needed in this protocol version
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@ -56,19 +56,12 @@ public:
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virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
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virtual void SendKeepAlive (int a_PingID) override;
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virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
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virtual void SendLoginSuccess (void) override;
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virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
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virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override;
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virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override
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{
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// This protocol doesn't support such message
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UNUSED(a_ID);
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UNUSED(a_Scale);
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}
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virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
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virtual void SendParticleEffect (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
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virtual void SendPaintingSpawn (const cPainting & a_Painting) override
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{
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UNUSED(a_Painting);
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};
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virtual void SendPaintingSpawn (const cPainting & a_Painting) override;
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virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
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virtual void SendPlayerAbilities (void) override {} // This protocol doesn't support such message
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virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override;
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@ -82,12 +75,7 @@ public:
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virtual void SendRespawn (void) override;
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virtual void SendExperience (void) override;
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virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) override;
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virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override
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{
|
||||
UNUSED(a_Name);
|
||||
UNUSED(a_DisplayName);
|
||||
UNUSED(a_Mode);
|
||||
} // This protocol doesn't support such message
|
||||
virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
|
||||
virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override {} // This protocol doesn't support such message
|
||||
virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override {} // This protocol doesn't support such message
|
||||
virtual void SendSoundEffect (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) override; // a_Src coords are Block * 8
|
||||
|
||||
@ -574,6 +574,21 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
|
||||
|
||||
|
||||
|
||||
void cProtocol172::SendLoginSuccess(void)
|
||||
{
|
||||
ASSERT(m_State == 2); // State: login?
|
||||
|
||||
cPacketizer Pkt(*this, 0x02); // Login success packet
|
||||
Pkt.WriteString(m_Client->GetUUID());
|
||||
Pkt.WriteString(m_Client->GetUsername());
|
||||
|
||||
m_State = 3; // State = Game
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting)
|
||||
{
|
||||
cPacketizer Pkt(*this, 0x10); // Spawn Painting packet
|
||||
@ -1556,18 +1571,7 @@ void cProtocol172::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffe
|
||||
}
|
||||
|
||||
StartEncryption(DecryptedKey);
|
||||
|
||||
/*
|
||||
// Send login success:
|
||||
{
|
||||
cPacketizer Pkt(*this, 0x02); // Login success packet
|
||||
Pkt.WriteString(m_Client->GetUUID());
|
||||
Pkt.WriteString(m_Client->GetUsername());
|
||||
}
|
||||
|
||||
m_State = 3; // State = Game
|
||||
m_Client->HandleLogin(4, m_Client->GetUsername());
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
@ -1599,17 +1603,6 @@ void cProtocol172::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer)
|
||||
return;
|
||||
}
|
||||
|
||||
// Generate an offline UUID for the player:
|
||||
m_Client->GenerateOfflineUUID();
|
||||
|
||||
// Send login success:
|
||||
{
|
||||
cPacketizer Pkt(*this, 0x02); // Login success packet
|
||||
Pkt.WriteString(m_Client->GetUUID());
|
||||
Pkt.WriteString(Username);
|
||||
}
|
||||
|
||||
m_State = 3; // State = Game
|
||||
m_Client->HandleLogin(4, Username);
|
||||
}
|
||||
|
||||
@ -2797,3 +2790,28 @@ void cProtocol176::SendPlayerSpawn(const cPlayer & a_Player)
|
||||
|
||||
|
||||
|
||||
|
||||
void cProtocol176::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
|
||||
{
|
||||
// Send the response:
|
||||
AString Response = "{\"version\":{\"name\":\"1.7.6\",\"protocol\":5},\"players\":{";
|
||||
AppendPrintf(Response, "\"max\":%u,\"online\":%u,\"sample\":[]},",
|
||||
cRoot::Get()->GetServer()->GetMaxPlayers(),
|
||||
cRoot::Get()->GetServer()->GetNumPlayers()
|
||||
);
|
||||
AppendPrintf(Response, "\"description\":{\"text\":\"%s\"},",
|
||||
cRoot::Get()->GetServer()->GetDescription().c_str()
|
||||
);
|
||||
AppendPrintf(Response, "\"favicon\":\"data:image/png;base64,%s\"",
|
||||
cRoot::Get()->GetServer()->GetFaviconData().c_str()
|
||||
);
|
||||
Response.append("}");
|
||||
|
||||
cPacketizer Pkt(*this, 0x00); // Response packet
|
||||
Pkt.WriteString(Response);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@ -87,6 +87,7 @@ public:
|
||||
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
|
||||
virtual void SendKeepAlive (int a_PingID) override;
|
||||
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
|
||||
virtual void SendLoginSuccess (void) override;
|
||||
virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
|
||||
virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override;
|
||||
virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
|
||||
@ -252,7 +253,7 @@ protected:
|
||||
|
||||
// Packet handlers while in the Status state (m_State == 1):
|
||||
void HandlePacketStatusPing (cByteBuffer & a_ByteBuffer);
|
||||
void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
|
||||
virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
|
||||
|
||||
// Packet handlers while in the Login state (m_State == 2):
|
||||
void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer);
|
||||
@ -318,6 +319,8 @@ public:
|
||||
|
||||
// cProtocol172 overrides:
|
||||
virtual void SendPlayerSpawn(const cPlayer & a_Player) override;
|
||||
virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) override;
|
||||
|
||||
} ;
|
||||
|
||||
|
||||
|
||||
@ -397,6 +397,16 @@ void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_W
|
||||
|
||||
|
||||
|
||||
void cProtocolRecognizer::SendLoginSuccess(void)
|
||||
{
|
||||
ASSERT(m_Protocol != NULL);
|
||||
m_Protocol->SendLoginSuccess();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void cProtocolRecognizer::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
|
||||
{
|
||||
ASSERT(m_Protocol != NULL);
|
||||
|
||||
@ -91,6 +91,7 @@ public:
|
||||
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
|
||||
virtual void SendKeepAlive (int a_PingID) override;
|
||||
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
|
||||
virtual void SendLoginSuccess (void) override;
|
||||
virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
|
||||
virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override;
|
||||
virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user