/** * FreeRDP: A Remote Desktop Protocol Implementation * RDP Client Info * * Copyright 2011 Marc-Andre Moreau * Copyright 2015 Thincast Technologies GmbH * Copyright 2015 DI (FH) Martin Haimberger * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include "timezone.h" #include "info.h" #define TAG FREERDP_TAG("core.info") static const char* const INFO_TYPE_LOGON_STRINGS[4] = { "Logon Info V1", "Logon Info V2", "Logon Plain Notify", "Logon Extended Info" }; BOOL rdp_compute_client_auto_reconnect_cookie(rdpRdp* rdp) { CryptoHmac hmac; BYTE ClientRandom[32]; BYTE AutoReconnectRandom[32]; ARC_SC_PRIVATE_PACKET* serverCookie; ARC_CS_PRIVATE_PACKET* clientCookie; rdpSettings* settings = rdp->settings; serverCookie = settings->ServerAutoReconnectCookie; clientCookie = settings->ClientAutoReconnectCookie; clientCookie->cbLen = 28; clientCookie->version = serverCookie->version; clientCookie->logonId = serverCookie->logonId; ZeroMemory(clientCookie->securityVerifier, 16); ZeroMemory(AutoReconnectRandom, sizeof(AutoReconnectRandom)); CopyMemory(AutoReconnectRandom, serverCookie->arcRandomBits, 16); ZeroMemory(ClientRandom, sizeof(ClientRandom)); if (settings->SelectedProtocol == PROTOCOL_RDP) CopyMemory(ClientRandom, settings->ClientRandom, settings->ClientRandomLength); hmac = crypto_hmac_new(); if (!hmac) return FALSE; /* SecurityVerifier = HMAC_MD5(AutoReconnectRandom, ClientRandom) */ if (!crypto_hmac_md5_init(hmac, AutoReconnectRandom, 16)) return FALSE; crypto_hmac_update(hmac, ClientRandom, 32); crypto_hmac_final(hmac, clientCookie->securityVerifier, 16); crypto_hmac_free(hmac); return TRUE; } /** * Read Server Auto Reconnect Cookie (ARC_SC_PRIVATE_PACKET).\n * @msdn{cc240540} * @param s stream * @param settings settings */ BOOL rdp_read_server_auto_reconnect_cookie(rdpRdp* rdp, wStream* s) { BYTE* p; ARC_SC_PRIVATE_PACKET* autoReconnectCookie; rdpSettings* settings = rdp->settings; autoReconnectCookie = settings->ServerAutoReconnectCookie; if (Stream_GetRemainingLength(s) < 28) return FALSE; Stream_Read_UINT32(s, autoReconnectCookie->cbLen); /* cbLen (4 bytes) */ Stream_Read_UINT32(s, autoReconnectCookie->version); /* Version (4 bytes) */ Stream_Read_UINT32(s, autoReconnectCookie->logonId); /* LogonId (4 bytes) */ Stream_Read(s, autoReconnectCookie->arcRandomBits, 16); /* ArcRandomBits (16 bytes) */ if (autoReconnectCookie->cbLen != 28) { WLog_ERR(TAG, "ServerAutoReconnectCookie.cbLen != 28"); return FALSE; } p = autoReconnectCookie->arcRandomBits; WLog_DBG(TAG, "ServerAutoReconnectCookie: Version: %d LogonId: %d SecurityVerifier: " "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", autoReconnectCookie->version, autoReconnectCookie->logonId, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); if ((settings->PrintReconnectCookie) && (autoReconnectCookie->cbLen > 0)) { char* base64; base64 = crypto_base64_encode((BYTE*) autoReconnectCookie, sizeof(ARC_SC_PRIVATE_PACKET)); WLog_INFO(TAG, "Reconnect-cookie: %s", base64); free(base64); } return TRUE; } /** * Read Client Auto Reconnect Cookie (ARC_CS_PRIVATE_PACKET).\n * @msdn{cc240541} * @param s stream * @param settings settings */ BOOL rdp_read_client_auto_reconnect_cookie(rdpRdp* rdp, wStream* s) { ARC_CS_PRIVATE_PACKET* autoReconnectCookie; rdpSettings* settings = rdp->settings; autoReconnectCookie = settings->ClientAutoReconnectCookie; if (Stream_GetRemainingLength(s) < 28) return FALSE; Stream_Read_UINT32(s, autoReconnectCookie->cbLen); /* cbLen (4 bytes) */ Stream_Read_UINT32(s, autoReconnectCookie->version); /* version (4 bytes) */ Stream_Read_UINT32(s, autoReconnectCookie->logonId); /* LogonId (4 bytes) */ Stream_Read(s, autoReconnectCookie->securityVerifier, 16); /* SecurityVerifier */ return TRUE; } /** * Write Client Auto Reconnect Cookie (ARC_CS_PRIVATE_PACKET).\n * @msdn{cc240541} * @param s stream * @param settings settings */ void rdp_write_client_auto_reconnect_cookie(rdpRdp* rdp, wStream* s) { BYTE* p; ARC_CS_PRIVATE_PACKET* autoReconnectCookie; rdpSettings* settings = rdp->settings; autoReconnectCookie = settings->ClientAutoReconnectCookie; p = autoReconnectCookie->securityVerifier; WLog_DBG(TAG, "ClientAutoReconnectCookie: Version: %d LogonId: %d ArcRandomBits: " "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", autoReconnectCookie->version, autoReconnectCookie->logonId, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); Stream_Write_UINT32(s, autoReconnectCookie->cbLen); /* cbLen (4 bytes) */ Stream_Write_UINT32(s, autoReconnectCookie->version); /* version (4 bytes) */ Stream_Write_UINT32(s, autoReconnectCookie->logonId); /* LogonId (4 bytes) */ Stream_Write(s, autoReconnectCookie->securityVerifier, 16); /* SecurityVerifier (16 bytes) */ } /** * Read Extended Info Packet (TS_EXTENDED_INFO_PACKET).\n * @msdn{cc240476} * @param s stream * @param settings settings */ BOOL rdp_read_extended_info_packet(rdpRdp* rdp, wStream* s) { UINT16 clientAddressFamily; UINT16 cbClientAddress; UINT16 cbClientDir; UINT16 cbAutoReconnectLen; rdpSettings* settings = rdp->settings; if (Stream_GetRemainingLength(s) < 4) return FALSE; Stream_Read_UINT16(s, clientAddressFamily); /* clientAddressFamily (2 bytes) */ Stream_Read_UINT16(s, cbClientAddress); /* cbClientAddress (2 bytes) */ settings->IPv6Enabled = (clientAddressFamily == ADDRESS_FAMILY_INET6 ? TRUE : FALSE); if (Stream_GetRemainingLength(s) < cbClientAddress) return FALSE; if (settings->ClientAddress) { free(settings->ClientAddress); settings->ClientAddress = NULL; } ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbClientAddress / 2, &settings->ClientAddress, 0, NULL, NULL); Stream_Seek(s, cbClientAddress); if (Stream_GetRemainingLength(s) < 2) return FALSE; Stream_Read_UINT16(s, cbClientDir); /* cbClientDir (2 bytes) */ if (Stream_GetRemainingLength(s) < cbClientDir) return FALSE; if (settings->ClientDir) { free(settings->ClientDir); settings->ClientDir = NULL; } ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbClientDir / 2, &settings->ClientDir, 0, NULL, NULL); Stream_Seek(s, cbClientDir); if (!rdp_read_client_time_zone(s, settings)) return FALSE; if (Stream_GetRemainingLength(s) < 10) return FALSE; Stream_Seek_UINT32(s); /* clientSessionId (4 bytes), should be set to 0 */ Stream_Read_UINT32(s, settings->PerformanceFlags); /* performanceFlags (4 bytes) */ freerdp_performance_flags_split(settings); Stream_Read_UINT16(s, cbAutoReconnectLen); /* cbAutoReconnectLen (2 bytes) */ if (cbAutoReconnectLen > 0) return rdp_read_client_auto_reconnect_cookie(rdp, s); /* autoReconnectCookie */ /* reserved1 (2 bytes) */ /* reserved2 (2 bytes) */ return TRUE; } /** * Write Extended Info Packet (TS_EXTENDED_INFO_PACKET).\n * @msdn{cc240476} * @param s stream * @param settings settings */ void rdp_write_extended_info_packet(rdpRdp* rdp, wStream* s) { int clientAddressFamily; WCHAR* clientAddress = NULL; int cbClientAddress; WCHAR* clientDir = NULL; int cbClientDir; int cbAutoReconnectCookie; rdpSettings* settings = rdp->settings; clientAddressFamily = settings->IPv6Enabled ? ADDRESS_FAMILY_INET6 : ADDRESS_FAMILY_INET; cbClientAddress = ConvertToUnicode(CP_UTF8, 0, settings->ClientAddress, -1, &clientAddress, 0) * 2; cbClientDir = ConvertToUnicode(CP_UTF8, 0, settings->ClientDir, -1, &clientDir, 0) * 2; cbAutoReconnectCookie = (int) settings->ServerAutoReconnectCookie->cbLen; Stream_Write_UINT16(s, clientAddressFamily); /* clientAddressFamily (2 bytes) */ Stream_Write_UINT16(s, cbClientAddress + 2); /* cbClientAddress (2 bytes) */ if (cbClientAddress > 0) Stream_Write(s, clientAddress, cbClientAddress); /* clientAddress */ Stream_Write_UINT16(s, 0); Stream_Write_UINT16(s, cbClientDir + 2); /* cbClientDir (2 bytes) */ if (cbClientDir > 0) Stream_Write(s, clientDir, cbClientDir); /* clientDir */ Stream_Write_UINT16(s, 0); rdp_write_client_time_zone(s, settings); /* clientTimeZone (172 bytes) */ Stream_Write_UINT32(s, 0); /* clientSessionId (4 bytes), should be set to 0 */ freerdp_performance_flags_make(settings); Stream_Write_UINT32(s, settings->PerformanceFlags); /* performanceFlags (4 bytes) */ Stream_Write_UINT16(s, cbAutoReconnectCookie); /* cbAutoReconnectCookie (2 bytes) */ if (cbAutoReconnectCookie > 0) { rdp_compute_client_auto_reconnect_cookie(rdp); rdp_write_client_auto_reconnect_cookie(rdp, s); /* autoReconnectCookie */ Stream_Write_UINT16(s, 0); /* reserved1 (2 bytes) */ Stream_Write_UINT16(s, 0); /* reserved2 (2 bytes) */ } free(clientAddress); free(clientDir); } /** * Read Info Packet (TS_INFO_PACKET).\n * @msdn{cc240475} * @param s stream * @param settings settings */ BOOL rdp_read_info_packet(rdpRdp* rdp, wStream* s) { UINT32 flags; UINT16 cbDomain; UINT16 cbUserName; UINT16 cbPassword; UINT16 cbAlternateShell; UINT16 cbWorkingDir; UINT32 CompressionLevel; rdpSettings* settings = rdp->settings; if (Stream_GetRemainingLength(s) < 18) return FALSE; Stream_Seek_UINT32(s); /* CodePage (4 bytes ) */ Stream_Read_UINT32(s, flags); /* flags (4 bytes) */ settings->AudioCapture = ((flags & INFO_AUDIOCAPTURE) ? TRUE : FALSE); settings->AudioPlayback = ((flags & INFO_NOAUDIOPLAYBACK) ? FALSE : TRUE); settings->AutoLogonEnabled = ((flags & INFO_AUTOLOGON) ? TRUE : FALSE); settings->RemoteApplicationMode = ((flags & INFO_RAIL) ? TRUE : FALSE); settings->RemoteConsoleAudio = ((flags & INFO_REMOTECONSOLEAUDIO) ? TRUE : FALSE); settings->CompressionEnabled = ((flags & INFO_COMPRESSION) ? TRUE : FALSE); if (flags & INFO_COMPRESSION) { CompressionLevel = ((flags & 0x00001E00) >> 9); settings->CompressionLevel = CompressionLevel; } Stream_Read_UINT16(s, cbDomain); /* cbDomain (2 bytes) */ Stream_Read_UINT16(s, cbUserName); /* cbUserName (2 bytes) */ Stream_Read_UINT16(s, cbPassword); /* cbPassword (2 bytes) */ Stream_Read_UINT16(s, cbAlternateShell); /* cbAlternateShell (2 bytes) */ Stream_Read_UINT16(s, cbWorkingDir); /* cbWorkingDir (2 bytes) */ if (Stream_GetRemainingLength(s) < (size_t) (cbDomain + 2)) return FALSE; if (cbDomain > 0) { ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbDomain / 2, &settings->Domain, 0, NULL, NULL); Stream_Seek(s, cbDomain); } Stream_Seek(s, 2); if (Stream_GetRemainingLength(s) < (size_t) (cbUserName + 2)) return FALSE; if (cbUserName > 0) { ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbUserName / 2, &settings->Username, 0, NULL, NULL); Stream_Seek(s, cbUserName); } Stream_Seek(s, 2); if (Stream_GetRemainingLength(s) < (size_t) (cbPassword + 2)) return FALSE; if (cbPassword > 0) { ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbPassword / 2, &settings->Password, 0, NULL, NULL); Stream_Seek(s, cbPassword); } Stream_Seek(s, 2); if (Stream_GetRemainingLength(s) < (size_t) (cbAlternateShell + 2)) return FALSE; if (cbAlternateShell > 0) { ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbAlternateShell / 2, &settings->AlternateShell, 0, NULL, NULL); Stream_Seek(s, cbAlternateShell); } Stream_Seek(s, 2); if (Stream_GetRemainingLength(s) < (size_t) (cbWorkingDir + 2)) return FALSE; if (cbWorkingDir > 0) { ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), cbWorkingDir / 2, &settings->ShellWorkingDirectory, 0, NULL, NULL); Stream_Seek(s, cbWorkingDir); } Stream_Seek(s, 2); if (settings->RdpVersion >= 5) return rdp_read_extended_info_packet(rdp, s); /* extraInfo */ return TRUE; } /** * Write Info Packet (TS_INFO_PACKET).\n * @msdn{cc240475} * @param s stream * @param settings settings */ void rdp_write_info_packet(rdpRdp* rdp, wStream* s) { UINT32 flags; WCHAR* domainW = NULL; int cbDomain = 0; WCHAR* userNameW = NULL; int cbUserName = 0; WCHAR* passwordW = NULL; int cbPassword = 0; WCHAR* alternateShellW = NULL; int cbAlternateShell = 0; WCHAR* workingDirW = NULL; int cbWorkingDir = 0; BOOL usedPasswordCookie = FALSE; rdpSettings* settings = rdp->settings; flags = INFO_MOUSE | INFO_UNICODE | INFO_LOGONERRORS | INFO_LOGONNOTIFY | INFO_MAXIMIZESHELL | INFO_ENABLEWINDOWSKEY | INFO_DISABLECTRLALTDEL; if (settings->AudioCapture) flags |= INFO_AUDIOCAPTURE; if (!settings->AudioPlayback) flags |= INFO_NOAUDIOPLAYBACK; if (settings->VideoDisable) flags |= INFO_VIDEO_DISABLE; if (settings->AutoLogonEnabled) flags |= INFO_AUTOLOGON; if (settings->RemoteApplicationMode) flags |= INFO_RAIL; if (settings->RemoteConsoleAudio) flags |= INFO_REMOTECONSOLEAUDIO; if (settings->HiDefRemoteApp) flags |= INFO_HIDEF_RAIL_SUPPORTED; if (settings->CompressionEnabled) { flags |= INFO_COMPRESSION; flags |= ((settings->CompressionLevel << 9) & 0x00001E00); } if (settings->Domain) { cbDomain = ConvertToUnicode(CP_UTF8, 0, settings->Domain, -1, &domainW, 0) * 2; } else { domainW = NULL; cbDomain = 0; } if (!settings->RemoteAssistanceMode) { cbUserName = ConvertToUnicode(CP_UTF8, 0, settings->Username, -1, &userNameW, 0) * 2; } else { /* user name provided by the expert for connecting to the novice computer */ cbUserName = ConvertToUnicode(CP_UTF8, 0, settings->Username, -1, &userNameW, 0) * 2; } if (!settings->RemoteAssistanceMode) { if (settings->RedirectionPassword && settings->RedirectionPasswordLength > 0) { usedPasswordCookie = TRUE; passwordW = (WCHAR*) settings->RedirectionPassword; cbPassword = settings->RedirectionPasswordLength - 2; /* Strip double zero termination */ } else { cbPassword = ConvertToUnicode(CP_UTF8, 0, settings->Password, -1, &passwordW, 0) * 2; } } else { /* This field MUST be filled with "*" */ cbPassword = ConvertToUnicode(CP_UTF8, 0, "*", -1, &passwordW, 0) * 2; } if (!settings->RemoteAssistanceMode) { cbAlternateShell = ConvertToUnicode(CP_UTF8, 0, settings->AlternateShell, -1, &alternateShellW, 0) * 2; } else { if (settings->RemoteAssistancePassStub) { /* This field MUST be filled with "*" */ cbAlternateShell = ConvertToUnicode(CP_UTF8, 0, "*", -1, &alternateShellW, 0) * 2; } else { /* This field must contain the remote assistance password */ cbAlternateShell = ConvertToUnicode(CP_UTF8, 0, settings->RemoteAssistancePassword, -1, &alternateShellW, 0) * 2; } } if (!settings->RemoteAssistanceMode) { cbWorkingDir = ConvertToUnicode(CP_UTF8, 0, settings->ShellWorkingDirectory, -1, &workingDirW, 0) * 2; } else { /* Remote Assistance Session Id */ cbWorkingDir = ConvertToUnicode(CP_UTF8, 0, settings->RemoteAssistanceSessionId, -1, &workingDirW, 0) * 2; } Stream_Write_UINT32(s, 0); /* CodePage (4 bytes) */ Stream_Write_UINT32(s, flags); /* flags (4 bytes) */ Stream_Write_UINT16(s, cbDomain); /* cbDomain (2 bytes) */ Stream_Write_UINT16(s, cbUserName); /* cbUserName (2 bytes) */ Stream_Write_UINT16(s, cbPassword); /* cbPassword (2 bytes) */ Stream_Write_UINT16(s, cbAlternateShell); /* cbAlternateShell (2 bytes) */ Stream_Write_UINT16(s, cbWorkingDir); /* cbWorkingDir (2 bytes) */ if (cbDomain > 0) Stream_Write(s, domainW, cbDomain); Stream_Write_UINT16(s, 0); if (cbUserName > 0) Stream_Write(s, userNameW, cbUserName); Stream_Write_UINT16(s, 0); if (cbPassword > 0) Stream_Write(s, passwordW, cbPassword); Stream_Write_UINT16(s, 0); if (cbAlternateShell > 0) Stream_Write(s, alternateShellW, cbAlternateShell); Stream_Write_UINT16(s, 0); if (cbWorkingDir > 0) Stream_Write(s, workingDirW, cbWorkingDir); Stream_Write_UINT16(s, 0); free(domainW); free(userNameW); free(alternateShellW); free(workingDirW); if (!usedPasswordCookie) free(passwordW); if (settings->RdpVersion >= 5) rdp_write_extended_info_packet(rdp, s); /* extraInfo */ } /** * Read Client Info PDU (CLIENT_INFO_PDU).\n * @msdn{cc240474} * @param rdp RDP module * @param s stream */ BOOL rdp_recv_client_info(rdpRdp* rdp, wStream* s) { UINT16 length; UINT16 channelId; UINT16 securityFlags; if (!rdp_read_header(rdp, s, &length, &channelId)) return FALSE; if (!rdp_read_security_header(s, &securityFlags)) return FALSE; if ((securityFlags & SEC_INFO_PKT) == 0) return FALSE; if (rdp->settings->UseRdpSecurityLayer) { if (securityFlags & SEC_REDIRECTION_PKT) { WLog_ERR(TAG, "Error: SEC_REDIRECTION_PKT unsupported"); return FALSE; } if (securityFlags & SEC_ENCRYPT) { if (!rdp_decrypt(rdp, s, length - 4, securityFlags)) { WLog_ERR(TAG, "rdp_decrypt failed"); return FALSE; } } } return rdp_read_info_packet(rdp, s); } /** * Send Client Info PDU (CLIENT_INFO_PDU).\n * @msdn{cc240474} * @param rdp RDP module */ BOOL rdp_send_client_info(rdpRdp* rdp) { wStream* s; BOOL status; rdp->sec_flags |= SEC_INFO_PKT; s = Stream_New(NULL, 2048); if (!s) { WLog_ERR(TAG, "Stream_New failed!"); return FALSE; } rdp_init_stream(rdp, s); rdp_write_info_packet(rdp, s); status = rdp_send(rdp, s, MCS_GLOBAL_CHANNEL_ID); Stream_Free(s, TRUE); return status; } BOOL rdp_recv_logon_info_v1(rdpRdp* rdp, wStream* s) { UINT32 cbDomain; UINT32 cbUserName; UINT32 SessionId; if (Stream_GetRemainingLength(s) < 576) return FALSE; Stream_Read_UINT32(s, cbDomain); /* cbDomain (4 bytes) */ Stream_Seek(s, 52); /* domain (52 bytes) */ Stream_Read_UINT32(s, cbUserName); /* cbUserName (4 bytes) */ Stream_Seek(s, 512); /* userName (512 bytes) */ Stream_Read_UINT32(s, SessionId); /* SessionId (4 bytes) */ WLog_DBG(TAG, "LogonInfoV1: SessionId: 0x%04X", SessionId); return TRUE; } BOOL rdp_recv_logon_info_v2(rdpRdp* rdp, wStream* s) { UINT16 Version; UINT32 Size; UINT32 SessionId; UINT32 cbDomain; UINT32 cbUserName; if (Stream_GetRemainingLength(s) < 576) return FALSE; Stream_Read_UINT16(s, Version); /* Version (2 bytes) */ Stream_Read_UINT32(s, Size); /* Size (4 bytes) */ Stream_Read_UINT32(s, SessionId); /* SessionId (4 bytes) */ Stream_Read_UINT32(s, cbDomain); /* cbDomain (4 bytes) */ Stream_Read_UINT32(s, cbUserName); /* cbUserName (4 bytes) */ Stream_Seek(s, 558); /* pad (558 bytes) */ if (Stream_GetRemainingLength(s) < (cbDomain + cbUserName)) return FALSE; Stream_Seek(s, cbDomain); /* domain */ Stream_Seek(s, cbUserName); /* userName */ WLog_DBG(TAG, "LogonInfoV2: SessionId: 0x%04X", SessionId); return TRUE; } BOOL rdp_recv_logon_plain_notify(rdpRdp* rdp, wStream* s) { if (Stream_GetRemainingLength(s) < 576) return FALSE; Stream_Seek(s, 576); /* pad (576 bytes) */ WLog_DBG(TAG, "LogonPlainNotify"); return TRUE; } BOOL rdp_recv_logon_error_info(rdpRdp* rdp, wStream* s) { UINT32 errorNotificationType; UINT32 errorNotificationData; if (Stream_GetRemainingLength(s) < 8) return FALSE; Stream_Read_UINT32(s, errorNotificationType); /* errorNotificationType (4 bytes) */ Stream_Read_UINT32(s, errorNotificationData); /* errorNotificationData (4 bytes) */ WLog_DBG(TAG, "LogonErrorInfo: Data: 0x%04X Type: 0x%04X", errorNotificationData, errorNotificationType); IFCALL(rdp->instance->LogonErrorInfo, rdp->instance, errorNotificationData, errorNotificationType); return TRUE; } BOOL rdp_recv_logon_info_extended(rdpRdp* rdp, wStream* s) { UINT32 cbFieldData; UINT32 fieldsPresent; UINT16 Length; if (Stream_GetRemainingLength(s) < 6) return FALSE; Stream_Read_UINT16(s, Length); /* Length (2 bytes) */ Stream_Read_UINT32(s, fieldsPresent); /* fieldsPresent (4 bytes) */ if (Stream_GetRemainingLength(s) < (Length - 6)) return FALSE; WLog_DBG(TAG, "LogonInfoExtended: fieldsPresent: 0x%04X", fieldsPresent); /* logonFields */ if (fieldsPresent & LOGON_EX_AUTORECONNECTCOOKIE) { if (Stream_GetRemainingLength(s) < 4) return FALSE; Stream_Read_UINT32(s, cbFieldData); /* cbFieldData (4 bytes) */ if (!rdp_read_server_auto_reconnect_cookie(rdp, s)) return FALSE; } if (fieldsPresent & LOGON_EX_LOGONERRORS) { if (Stream_GetRemainingLength(s) < 4) return FALSE; Stream_Read_UINT32(s, cbFieldData); /* cbFieldData (4 bytes) */ if (!rdp_recv_logon_error_info(rdp, s)) return FALSE; } if (Stream_GetRemainingLength(s) < 570) return FALSE; Stream_Seek(s, 570); /* pad (570 bytes) */ return TRUE; } BOOL rdp_recv_save_session_info(rdpRdp* rdp, wStream* s) { UINT32 infoType; BOOL status = FALSE; if (Stream_GetRemainingLength(s) < 4) return FALSE; Stream_Read_UINT32(s, infoType); /* infoType (4 bytes) */ switch (infoType) { case INFO_TYPE_LOGON: status = rdp_recv_logon_info_v1(rdp, s); break; case INFO_TYPE_LOGON_LONG: status = rdp_recv_logon_info_v2(rdp, s); break; case INFO_TYPE_LOGON_PLAIN_NOTIFY: status = rdp_recv_logon_plain_notify(rdp, s); break; case INFO_TYPE_LOGON_EXTENDED_INF: status = rdp_recv_logon_info_extended(rdp, s); break; default: break; } if (!status) { WLog_DBG(TAG, "SaveSessionInfo error: infoType: %s (%d)", infoType < 4 ? INFO_TYPE_LOGON_STRINGS[infoType % 4] : "Unknown", infoType); } return status; }