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-rw-r--r--src/Protocol/Authenticator.cpp332
1 files changed, 188 insertions, 144 deletions
diff --git a/src/Protocol/Authenticator.cpp b/src/Protocol/Authenticator.cpp
index bbc656eda..2a7cbc7bc 100644
--- a/src/Protocol/Authenticator.cpp
+++ b/src/Protocol/Authenticator.cpp
@@ -2,7 +2,6 @@
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Authenticator.h"
-#include "../OSSupport/BlockingTCPLink.h"
#include "../Root.h"
#include "../Server.h"
#include "../ClientHandle.h"
@@ -10,16 +9,7 @@
#include "inifile/iniFile.h"
#include "json/json.h"
-#include "polarssl/config.h"
-#include "polarssl/net.h"
-#include "polarssl/ssl.h"
-#include "polarssl/entropy.h"
-#include "polarssl/ctr_drbg.h"
-#include "polarssl/error.h"
-#include "polarssl/certs.h"
-
-#include <sstream>
-#include <iomanip>
+#include "PolarSSL++/BlockingSslClientSocket.h"
@@ -28,6 +18,63 @@
#define DEFAULT_AUTH_SERVER "sessionserver.mojang.com"
#define DEFAULT_AUTH_ADDRESS "/session/minecraft/hasJoined?username=%USERNAME%&serverId=%SERVERID%"
+/** This is the data of the root certs for Starfield Technologies, the CA that signed sessionserver.mojang.com's cert:
+Downloaded from http://certs.starfieldtech.com/repository/ */
+static const AString StarfieldCACert()
+{
+ return AString(
+ // G2 cert
+ "-----BEGIN CERTIFICATE-----\n"
+ "MIID3TCCAsWgAwIBAgIBADANBgkqhkiG9w0BAQsFADCBjzELMAkGA1UEBhMCVVMx\n"
+ "EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxJTAjBgNVBAoT\n"
+ "HFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAMTKVN0YXJmaWVs\n"
+ "ZCBSb290IENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTA5MDkwMTAwMDAw\n"
+ "MFoXDTM3MTIzMTIzNTk1OVowgY8xCzAJBgNVBAYTAlVTMRAwDgYDVQQIEwdBcml6\n"
+ "b25hMRMwEQYDVQQHEwpTY290dHNkYWxlMSUwIwYDVQQKExxTdGFyZmllbGQgVGVj\n"
+ "aG5vbG9naWVzLCBJbmMuMTIwMAYDVQQDEylTdGFyZmllbGQgUm9vdCBDZXJ0aWZp\n"
+ "Y2F0ZSBBdXRob3JpdHkgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC\n"
+ "ggEBAL3twQP89o/8ArFvW59I2Z154qK3A2FWGMNHttfKPTUuiUP3oWmb3ooa/RMg\n"
+ "nLRJdzIpVv257IzdIvpy3Cdhl+72WoTsbhm5iSzchFvVdPtrX8WJpRBSiUZV9Lh1\n"
+ "HOZ/5FSuS/hVclcCGfgXcVnrHigHdMWdSL5stPSksPNkN3mSwOxGXn/hbVNMYq/N\n"
+ "Hwtjuzqd+/x5AJhhdM8mgkBj87JyahkNmcrUDnXMN/uLicFZ8WJ/X7NfZTD4p7dN\n"
+ "dloedl40wOiWVpmKs/B/pM293DIxfJHP4F8R+GuqSVzRmZTRouNjWwl2tVZi4Ut0\n"
+ "HZbUJtQIBFnQmA4O5t78w+wfkPECAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAO\n"
+ "BgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFHwMMh+n2TB/xH1oo2Kooc6rB1snMA0G\n"
+ "CSqGSIb3DQEBCwUAA4IBAQARWfolTwNvlJk7mh+ChTnUdgWUXuEok21iXQnCoKjU\n"
+ "sHU48TRqneSfioYmUeYs0cYtbpUgSpIB7LiKZ3sx4mcujJUDJi5DnUox9g61DLu3\n"
+ "4jd/IroAow57UvtruzvE03lRTs2Q9GcHGcg8RnoNAX3FWOdt5oUwF5okxBDgBPfg\n"
+ "8n/Uqgr/Qh037ZTlZFkSIHc40zI+OIF1lnP6aI+xy84fxez6nH7PfrHxBy22/L/K\n"
+ "pL/QlwVKvOoYKAKQvVR4CSFx09F9HdkWsKlhPdAKACL8x3vLCWRFCztAgfd9fDL1\n"
+ "mMpYjn0q7pBZc2T5NnReJaH1ZgUufzkVqSr7UIuOhWn0\n"
+ "-----END CERTIFICATE-----\n\n"
+ // Original (G1) cert:
+ "-----BEGIN CERTIFICATE-----\n"
+ "MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl\n"
+ "MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp\n"
+ "U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw\n"
+ "NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE\n"
+ "ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp\n"
+ "ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3\n"
+ "DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf\n"
+ "8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN\n"
+ "+lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0\n"
+ "X9tDkYI22WY8sbi5gv2cOj4QyDvvBmVmepsZGD3/cVE8MC5fvj13c7JdBmzDI1aa\n"
+ "K4UmkhynArPkPw2vCHmCuDY96pzTNbO8acr1zJ3o/WSNF4Azbl5KXZnJHoe0nRrA\n"
+ "1W4TNSNe35tfPe/W93bC6j67eA0cQmdrBNj41tpvi/JEoAGrAgEDo4HFMIHCMB0G\n"
+ "A1UdDgQWBBS/X7fRzt0fhvRbVazc1xDCDqmI5zCBkgYDVR0jBIGKMIGHgBS/X7fR\n"
+ "zt0fhvRbVazc1xDCDqmI56FspGowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0\n"
+ "YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBD\n"
+ "bGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8w\n"
+ "DQYJKoZIhvcNAQEFBQADggEBAAWdP4id0ckaVaGsafPzWdqbAYcaT1epoXkJKtv3\n"
+ "L7IezMdeatiDh6GX70k1PncGQVhiv45YuApnP+yz3SFmH8lU+nLMPUxA2IGvd56D\n"
+ "eruix/U0F47ZEUD0/CwqTRV/p2JdLiXTAAsgGh1o+Re49L2L7ShZ3U0WixeDyLJl\n"
+ "xy16paq8U4Zt3VekyvggQQto8PT7dL5WXXp59fkdheMtlb71cZBDzI0fmgAKhynp\n"
+ "VSJYACPq4xJDKVtHCN2MQWplBqjlIapBtJUhlbl90TSrE9atvNziPTnNvT51cKEY\n"
+ "WQPJIrSPnNVeKtelttQKbfi3QBFGmh95DmK/D5fs4C8fF5Q=\n"
+ "-----END CERTIFICATE-----\n"
+ );
+}
+
@@ -68,7 +115,8 @@ void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, co
{
if (!m_ShouldAuthenticate)
{
- cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, cClientHandle::GenerateOfflineUUID(a_UserName));
+ Json::Value Value;
+ cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, cClientHandle::GenerateOfflineUUID(a_UserName), Value);
return;
}
@@ -128,10 +176,11 @@ void cAuthenticator::Execute(void)
AString NewUserName = UserName;
AString UUID;
- if (AuthWithYggdrasil(NewUserName, ServerID, UUID))
+ Json::Value Properties;
+ if (AuthWithYggdrasil(NewUserName, ServerID, UUID, Properties))
{
- LOGINFO("User %s authenticated with UUID '%s'", NewUserName.c_str(), UUID.c_str());
- cRoot::Get()->AuthenticateUser(ClientID, NewUserName, UUID);
+ LOGINFO("User %s authenticated with UUID %s", NewUserName.c_str(), UUID.c_str());
+ cRoot::Get()->AuthenticateUser(ClientID, NewUserName, UUID, Properties);
}
else
{
@@ -144,131 +193,36 @@ void cAuthenticator::Execute(void)
-bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID)
+bool cAuthenticator::SecureGetFromAddress(const AString & a_CACerts, const AString & a_ExpectedPeerName, const AString & a_Data, AString & a_Response)
{
- LOGD("Trying to auth user %s", a_UserName.c_str());
-
- int ret, server_fd = -1;
- unsigned char buf[1024];
- const char *pers = "cAuthenticator";
-
- entropy_context entropy;
- ctr_drbg_context ctr_drbg;
- ssl_context ssl;
- x509_crt cacert;
-
- /* Initialize the RNG and the session data */
- memset(&ssl, 0, sizeof(ssl_context));
- x509_crt_init(&cacert);
-
- entropy_init(&entropy);
- if ((ret = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char *)pers, strlen(pers))) != 0)
- {
- LOGWARNING("cAuthenticator: ctr_drbg_init returned %d", ret);
-
- // Free all resources which have been initialized up to this line
- x509_crt_free(&cacert);
- entropy_free(&entropy);
- return false;
- }
-
- /* Initialize certificates */
- // TODO: Grab the sessionserver's root CA and any intermediates and hard-code them here, instead of test_ca_list
- ret = x509_crt_parse(&cacert, (const unsigned char *)test_ca_list, strlen(test_ca_list));
-
- if (ret < 0)
+ // Connect the socket:
+ cBlockingSslClientSocket Socket;
+ Socket.SetTrustedRootCertsFromString(a_CACerts, a_ExpectedPeerName);
+ if (!Socket.Connect(a_ExpectedPeerName, 443))
{
- LOGWARNING("cAuthenticator: x509_crt_parse returned -0x%x", -ret);
-
- // Free all resources which have been initialized up to this line
- x509_crt_free(&cacert);
- entropy_free(&entropy);
+ LOGWARNING("cAuthenticator: Can't connect to %s: %s", a_ExpectedPeerName.c_str(), Socket.GetLastErrorText().c_str());
return false;
}
- /* Connect */
- if ((ret = net_connect(&server_fd, m_Server.c_str(), 443)) != 0)
+ if (!Socket.Send(a_Data.c_str(), a_Data.size()))
{
- LOGWARNING("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret);
-
- // Free all resources which have been initialized up to this line
- x509_crt_free(&cacert);
- entropy_free(&entropy);
+ LOGWARNING("cAuthenticator: Writing SSL data failed: %s", Socket.GetLastErrorText().c_str());
return false;
}
- /* Setup */
- if ((ret = ssl_init(&ssl)) != 0)
- {
- LOGWARNING("cAuthenticator: ssl_init returned %d", ret);
-
- // Free all resources which have been initialized up to this line
- x509_crt_free(&cacert);
- net_close(server_fd);
- ssl_free(&ssl);
- entropy_free(&entropy);
- memset(&ssl, 0, sizeof(ssl));
- return false;
- }
- ssl_set_endpoint(&ssl, SSL_IS_CLIENT);
- ssl_set_authmode(&ssl, SSL_VERIFY_OPTIONAL);
- ssl_set_ca_chain(&ssl, &cacert, NULL, "PolarSSL Server 1");
- ssl_set_rng(&ssl, ctr_drbg_random, &ctr_drbg);
- ssl_set_bio(&ssl, net_recv, &server_fd, net_send, &server_fd);
-
- /* Handshake */
- while ((ret = ssl_handshake(&ssl)) != 0)
- {
- if ((ret != POLARSSL_ERR_NET_WANT_READ) && (ret != POLARSSL_ERR_NET_WANT_WRITE))
- {
- LOGWARNING("cAuthenticator: ssl_handshake returned -0x%x", -ret);
-
- // Free all resources which have been initialized up to this line
- x509_crt_free(&cacert);
- net_close(server_fd);
- ssl_free(&ssl);
- entropy_free(&entropy);
- memset(&ssl, 0, sizeof(ssl));
- return false;
- }
- }
-
- /* Write the GET request */
- AString ActualAddress = m_Address;
- ReplaceString(ActualAddress, "%USERNAME%", a_UserName);
- ReplaceString(ActualAddress, "%SERVERID%", a_ServerId);
-
- AString Request;
- 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";
-
- ret = ssl_write(&ssl, (const unsigned char *)Request.c_str(), Request.size());
- if (ret <= 0)
- {
- LOGWARNING("cAuthenticator: ssl_write returned %d", ret);
-
- // Free all resources which have been initialized up to this line
- x509_crt_free(&cacert);
- net_close(server_fd);
- ssl_free(&ssl);
- entropy_free(&entropy);
- memset(&ssl, 0, sizeof(ssl));
- return false;
- }
+ // Read the HTTP response:
+ int ret;
+ unsigned char buf[1024];
- /* Read the HTTP response */
- std::string Response;
for (;;)
{
- memset(buf, 0, sizeof(buf));
- ret = ssl_read(&ssl, buf, sizeof(buf));
+ ret = Socket.Receive(buf, sizeof(buf));
if ((ret == POLARSSL_ERR_NET_WANT_READ) || (ret == POLARSSL_ERR_NET_WANT_WRITE))
{
- continue;
+ // This value should never be returned, it is handled internally by cBlockingSslClientSocket
+ LOGWARNING("cAuthenticator: SSL reading failed internally");
+ return false;
}
if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
{
@@ -276,32 +230,54 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
}
if (ret < 0)
{
- LOGWARNING("cAuthenticator: ssl_read returned %d", ret);
- break;
+ LOGWARNING("cAuthenticator: SSL reading failed: -0x%x", -ret);
+ return false;
}
if (ret == 0)
{
- LOGWARNING("cAuthenticator: EOF");
break;
}
- Response.append((const char *)buf, ret);
- }
+ a_Response.append((const char *)buf, (size_t)ret);
+ }
+
+ Socket.Disconnect();
+ return true;
+}
+
+
+
+
+
+bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID, Json::Value & a_Properties)
+{
+ LOGD("Trying to authenticate user %s", a_UserName.c_str());
+
+ // Create the GET request:
+ AString ActualAddress = m_Address;
+ ReplaceString(ActualAddress, "%USERNAME%", a_UserName);
+ ReplaceString(ActualAddress, "%SERVERID%", a_ServerId);
+
+ AString Request;
+ Request += "GET " + ActualAddress + " HTTP/1.0\r\n";
+ Request += "Host: " + m_Server + "\r\n";
+ Request += "User-Agent: MCServer\r\n";
+ Request += "Connection: close\r\n";
+ Request += "\r\n";
- ssl_close_notify(&ssl);
- x509_crt_free(&cacert);
- net_close(server_fd);
- ssl_free(&ssl);
- entropy_free(&entropy);
- memset(&ssl, 0, sizeof(ssl));
+ AString Response;
+ if (!SecureGetFromAddress(StarfieldCACert(), m_Server, Request, Response))
+ {
+ return false;
+ }
// Check the HTTP status line:
- AString prefix("HTTP/1.1 200 OK");
+ const AString Prefix("HTTP/1.1 200 OK");
AString HexDump;
- if (Response.compare(0, prefix.size(), prefix))
+ if (Response.compare(0, Prefix.size(), Prefix))
{
- LOGINFO("User \"%s\" failed to auth, bad http status line received", a_UserName.c_str());
- LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
+ LOGINFO("User %s failed to auth, bad HTTP status line received", a_UserName.c_str());
+ LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
return false;
}
@@ -309,8 +285,8 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
size_t idxHeadersEnd = Response.find("\r\n\r\n");
if (idxHeadersEnd == AString::npos)
{
- LOGINFO("User \"%s\" failed to authenticate, bad http response header received", a_UserName.c_str());
- LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
+ LOGINFO("User %s failed to authenticate, bad HTTP response header received", a_UserName.c_str());
+ LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
return false;
}
Response.erase(0, idxHeadersEnd + 4);
@@ -324,12 +300,13 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
Json::Reader reader;
if (!reader.parse(Response, root, false))
{
- LOGWARNING("cAuthenticator: Cannot parse Received Data to json!");
+ LOGWARNING("cAuthenticator: Cannot parse received data (authentication) to JSON!");
return false;
}
a_UserName = root.get("name", "Unknown").asString();
a_UUID = root.get("id", "").asString();
-
+ a_Properties = root["properties"];
+
// If the UUID doesn't contain the hashes, insert them at the proper places:
if (a_UUID.size() == 32)
{
@@ -338,6 +315,7 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
a_UUID.insert(18, "-");
a_UUID.insert(23, "-");
}
+
return true;
}
@@ -345,3 +323,69 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
+/* In case we want to export this function to the plugin API later - don't forget to add the relevant INI configuration lines for DEFAULT_PROPERTIES_ADDRESS
+
+#define DEFAULT_PROPERTIES_ADDRESS "/session/minecraft/profile/%UUID%"
+
+// Gets the properties, such as skin, of a player based on their UUID via Mojang's API
+bool GetPlayerProperties(const AString & a_UUID, Json::Value & a_Properties);
+
+bool cAuthenticator::GetPlayerProperties(const AString & a_UUID, Json::Value & a_Properties)
+{
+ LOGD("Trying to get properties for user %s", a_UUID.c_str());
+
+ // Create the GET request:
+ AString ActualAddress = m_PropertiesAddress;
+ ReplaceString(ActualAddress, "%UUID%", a_UUID);
+
+ AString Request;
+ Request += "GET " + ActualAddress + " HTTP/1.0\r\n";
+ Request += "Host: " + m_Server + "\r\n";
+ Request += "User-Agent: MCServer\r\n";
+ Request += "Connection: close\r\n";
+ Request += "\r\n";
+
+ AString Response;
+ if (!ConnectSecurelyToAddress(StarfieldCACert(), m_Server, Request, Response))
+ {
+ return false;
+ }
+
+ // Check the HTTP status line:
+ const AString Prefix("HTTP/1.1 200 OK");
+ AString HexDump;
+ if (Response.compare(0, Prefix.size(), Prefix))
+ {
+ LOGINFO("Failed to get properties for user %s, bad HTTP status line received", a_UUID.c_str());
+ LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
+ return false;
+ }
+
+ // Erase the HTTP headers from the response:
+ size_t idxHeadersEnd = Response.find("\r\n\r\n");
+ if (idxHeadersEnd == AString::npos)
+ {
+ LOGINFO("Failed to get properties for user %s, bad HTTP response header received", a_UUID.c_str());
+ LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
+ return false;
+ }
+ Response.erase(0, idxHeadersEnd + 4);
+
+ // Parse the Json response:
+ if (Response.empty())
+ {
+ return false;
+ }
+
+ Json::Value root;
+ Json::Reader reader;
+ if (!reader.parse(Response, root, false))
+ {
+ LOGWARNING("cAuthenticator: Cannot parse received properties data to JSON!");
+ return false;
+ }
+
+ a_Properties = root["properties"];
+ return true;
+}
+*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 18:06:51 +0200