diff options
| -rw-r--r-- | src/Protocol/Authenticator.cpp | 136 |
1 files changed, 45 insertions, 91 deletions
diff --git a/src/Protocol/Authenticator.cpp b/src/Protocol/Authenticator.cpp index ccc994e36..efeb6c41c 100644 --- a/src/Protocol/Authenticator.cpp +++ b/src/Protocol/Authenticator.cpp @@ -16,9 +16,7 @@ #include "polarssl/ctr_drbg.h" #include "polarssl/error.h" -#include "PolarSSL++/EntropyContext.h" -#include "PolarSSL++/CtrDrbgContext.h" -#include "PolarSSL++/X509Cert.h" +#include "PolarSSL++/BlockingSslClientSocket.h" #include <sstream> #include <iomanip> @@ -150,87 +148,47 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S { LOGD("Trying to auth user %s", a_UserName.c_str()); - int ret, server_fd = -1; + int ret; unsigned char buf[1024]; - const char pers[] = "cAuthenticator"; - - cCtrDrbgContext CtrDrbg; - ssl_context ssl; - cX509Cert CACert; - - /* Initialize the RNG and the session data */ - memset(&ssl, 0, sizeof(ssl_context)); - - if ((ret = CtrDrbg.Initialize(pers, sizeof(pers))) != 0) - { - LOGWARNING("cAuthenticator: CtrDrbg.Initialize() returned %d", ret); - return false; - } /* Initialize certificates */ // This is the root cert for Starfield Technologies, the CA that signed sessionserver.mojang.com's cert: - static const char StarfieldCACert[] = - "-----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-----"; - // Parse the Starfield CA and add it to "trusted root certs" - ret = CACert.Parse(StarfieldCACert, sizeof(StarfieldCACert) - 1); - if (ret < 0) - { - LOGWARNING("cAuthenticator: CACert.Parse returned -0x%x", -ret); - return false; - } - - /* Connect */ - if ((ret = net_connect(&server_fd, m_Server.c_str(), 443)) != 0) - { - LOGWARNING("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret); - return false; - } - - /* Setup */ - if ((ret = ssl_init(&ssl)) != 0) + static const AString StarfieldCACert( + "-----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-----" + ); + + // Connect the socket: + cBlockingSslClientSocket Socket; + Socket.SetTrustedRootCertsFromString(StarfieldCACert, m_Server); + if (!Socket.Connect(m_Server, 443)) { - LOGWARNING("cAuthenticator: ssl_init returned %d", ret); + LOGWARNING("cAuthenticator: Can't connect to %s: %s", m_Server.c_str(), Socket.GetLastErrorText().c_str()); return false; } - ssl_set_endpoint(&ssl, SSL_IS_CLIENT); - ssl_set_authmode(&ssl, SSL_VERIFY_OPTIONAL); - ssl_set_ca_chain(&ssl, CACert.Get(), NULL, "PolarSSL Server 1"); - ssl_set_rng(&ssl, ctr_drbg_random, CtrDrbg.Get()); - 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); - return false; - } - } - /* Write the GET request */ + // Create the GET request: AString ActualAddress = m_Address; ReplaceString(ActualAddress, "%USERNAME%", a_UserName); ReplaceString(ActualAddress, "%SERVERID%", a_ServerId); @@ -242,23 +200,23 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S Request += "Connection: close\r\n"; Request += "\r\n"; - ret = ssl_write(&ssl, (const unsigned char *)Request.c_str(), Request.size()); - if (ret <= 0) + if (!Socket.Send(Request.c_str(), Request.size())) { - LOGWARNING("cAuthenticator: ssl_write returned %d", ret); + LOGWARNING("cAuthenticator: Writing SSL data failed: %s", Socket.GetLastErrorText().c_str()); return false; } - /* Read the HTTP response */ + // 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) { @@ -266,22 +224,18 @@ 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); + Response.append((const char *)buf, (size_t)ret); } - ssl_close_notify(&ssl); - net_close(server_fd); - ssl_free(&ssl); - memset(&ssl, 0, sizeof(ssl)); + Socket.Disconnect(); // Check the HTTP status line: AString prefix("HTTP/1.1 200 OK"); |