/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is libguac-client-rdp. * * The Initial Developer of the Original Code is * Michael Jumper. * Portions created by the Initial Developer are Copyright (C) 2011 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include #include #include #include #include #include #include #include #include "rdpdr_service.h" #include "rdpdr_messages.h" #include "rdpdr_printer.h" #include "client.h" static void guac_rdpdr_send_client_announce_reply(guac_rdpdrPlugin* rdpdr, unsigned int major, unsigned int minor, unsigned int client_id) { STREAM* output_stream = stream_new(12); /* Write header */ stream_write_uint16(output_stream, RDPDR_CTYP_CORE); stream_write_uint16(output_stream, PAKID_CORE_CLIENTID_CONFIRM); /* Write content */ stream_write_uint16(output_stream, major); stream_write_uint16(output_stream, minor); stream_write_uint32(output_stream, client_id); svc_plugin_send((rdpSvcPlugin*) rdpdr, output_stream); } static void guac_rdpdr_send_client_name_request(guac_rdpdrPlugin* rdpdr, const char* name) { int name_bytes = strlen(name) + 1; STREAM* output_stream = stream_new(16 + name_bytes); /* Write header */ stream_write_uint16(output_stream, RDPDR_CTYP_CORE); stream_write_uint16(output_stream, PAKID_CORE_CLIENT_NAME); /* Write content */ stream_write_uint32(output_stream, 0); /* ASCII */ stream_write_uint32(output_stream, 0); /* 0 required by RDPDR spec */ stream_write_uint32(output_stream, name_bytes); stream_write(output_stream, name, name_bytes); svc_plugin_send((rdpSvcPlugin*) rdpdr, output_stream); } static void guac_rdpdr_send_client_capability(guac_rdpdrPlugin* rdpdr) { STREAM* output_stream = stream_new(256); guac_client_log_info(rdpdr->client, "Sending capabilities..."); /* Write header */ stream_write_uint16(output_stream, RDPDR_CTYP_CORE); stream_write_uint16(output_stream, PAKID_CORE_CLIENT_CAPABILITY); /* Capability count + padding */ stream_write_uint16(output_stream, 2); stream_write_uint16(output_stream, 0); /* Padding */ /* General capability header */ stream_write_uint16(output_stream, CAP_GENERAL_TYPE); stream_write_uint16(output_stream, 44); stream_write_uint32(output_stream, GENERAL_CAPABILITY_VERSION_02); /* General capability data */ stream_write_uint32(output_stream, GUAC_OS_TYPE); /* osType - required to be ignored */ stream_write_uint32(output_stream, 0); /* osVersion */ stream_write_uint16(output_stream, RDP_CLIENT_MAJOR_ALL); /* protocolMajor */ stream_write_uint16(output_stream, RDP_CLIENT_MINOR_5_2); /* protocolMinor */ stream_write_uint32(output_stream, 0xFFFF); /* ioCode1 */ stream_write_uint32(output_stream, 0); /* ioCode2 */ stream_write_uint32(output_stream, RDPDR_DEVICE_REMOVE_PDUS | RDPDR_CLIENT_DISPLAY_NAME | RDPDR_USER_LOGGEDON_PDU); /* extendedPDU */ stream_write_uint32(output_stream, 0); /* extraFlags1 */ stream_write_uint32(output_stream, 0); /* extraFlags2 */ stream_write_uint32(output_stream, 0); /* SpecialTypeDeviceCap */ /* Printer support header */ stream_write_uint16(output_stream, CAP_PRINTER_TYPE); stream_write_uint16(output_stream, 8); stream_write_uint32(output_stream, PRINT_CAPABILITY_VERSION_01); svc_plugin_send((rdpSvcPlugin*) rdpdr, output_stream); guac_client_log_info(rdpdr->client, "Capabilities sent."); } static void guac_rdpdr_send_client_device_list_announce_request(guac_rdpdrPlugin* rdpdr) { STREAM* output_stream = stream_new(256); /* Write header */ stream_write_uint16(output_stream, RDPDR_CTYP_CORE); stream_write_uint16(output_stream, PAKID_CORE_DEVICELIST_ANNOUNCE); /* Only one device for now */ stream_write_uint32(output_stream, 1); /* Printer header */ guac_client_log_info(rdpdr->client, "Sending printer"); stream_write_uint32(output_stream, RDPDR_DTYP_PRINT); stream_write_uint32(output_stream, GUAC_PRINTER_DEVICE_ID); stream_write(output_stream, "PRN1\0\0\0\0", 8); /* DOS name */ /* Printer data */ stream_write_uint32(output_stream, 24 + GUAC_PRINTER_DRIVER_LENGTH + GUAC_PRINTER_NAME_LENGTH); stream_write_uint32(output_stream, RDPDR_PRINTER_ANNOUNCE_FLAG_DEFAULTPRINTER | RDPDR_PRINTER_ANNOUNCE_FLAG_NETWORKPRINTER); stream_write_uint32(output_stream, 0); /* reserved - must be 0 */ stream_write_uint32(output_stream, 0); /* PnPName length (PnPName is ultimately ignored) */ stream_write_uint32(output_stream, GUAC_PRINTER_DRIVER_LENGTH); /* DriverName length */ stream_write_uint32(output_stream, GUAC_PRINTER_NAME_LENGTH); /* PrinterName length */ stream_write_uint32(output_stream, 0); /* CachedFields length */ stream_write(output_stream, GUAC_PRINTER_DRIVER, GUAC_PRINTER_DRIVER_LENGTH); stream_write(output_stream, GUAC_PRINTER_NAME, GUAC_PRINTER_NAME_LENGTH); svc_plugin_send((rdpSvcPlugin*) rdpdr, output_stream); guac_client_log_info(rdpdr->client, "All supported devices sent."); } void guac_rdpdr_process_server_announce(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { unsigned int major, minor, client_id; stream_read_uint16(input_stream, major); stream_read_uint16(input_stream, minor); stream_read_uint32(input_stream, client_id); /* Must choose own client ID if minor not >= 12 */ if (minor < 12) client_id = random() & 0xFFFF; guac_client_log_info(rdpdr->client, "Connected to RDPDR %u.%u as client 0x%04x", major, minor, client_id); /* Respond to announce */ guac_rdpdr_send_client_announce_reply(rdpdr, major, minor, client_id); /* Name request */ guac_rdpdr_send_client_name_request(rdpdr, "Guacamole RDP"); } void guac_rdpdr_process_clientid_confirm(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { guac_client_log_info(rdpdr->client, "Client ID confirmed"); } void guac_rdpdr_process_device_reply(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { unsigned int device_id, ntstatus; int severity, c, n, facility, code; stream_read_uint32(input_stream, device_id); stream_read_uint32(input_stream, ntstatus); severity = (ntstatus & 0xC0000000) >> 30; c = (ntstatus & 0x20000000) >> 29; n = (ntstatus & 0x10000000) >> 28; facility = (ntstatus & 0x0FFF0000) >> 16; code = ntstatus & 0x0000FFFF; /* Log error / information */ if (device_id == GUAC_PRINTER_DEVICE_ID) { if (severity == 0x0) guac_client_log_info(rdpdr->client, "Printer connected successfully"); else guac_client_log_error(rdpdr->client, "Problem connecting printer: " "severity=0x%x, c=0x%x, n=0x%x, facility=0x%x, code=0x%x", severity, c, n, facility, code); } else guac_client_log_error(rdpdr->client, "Unknown device ID: 0x%08x", device_id); } void guac_rdpdr_process_device_iorequest(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { int device_id, completion_id, major_func, minor_func; /* Read header */ stream_read_uint32(input_stream, device_id); stream_seek(input_stream, 4); /* file_id - currently skipped (not used in printer) */ stream_read_uint32(input_stream, completion_id); stream_read_uint32(input_stream, major_func); stream_read_uint32(input_stream, minor_func); /* If printer, run printer handlers */ if (device_id == GUAC_PRINTER_DEVICE_ID) { switch (major_func) { /* Print job create */ case IRP_MJ_CREATE: guac_rdpdr_process_print_job_create(rdpdr, input_stream, completion_id); break; /* Printer job write */ case IRP_MJ_WRITE: guac_rdpdr_process_print_job_write(rdpdr, input_stream, completion_id); break; /* Printer job close */ case IRP_MJ_CLOSE: guac_rdpdr_process_print_job_close(rdpdr, input_stream, completion_id); break; /* Log unknown */ default: guac_client_log_error(rdpdr->client, "Unknown printer I/O request function: 0x%x/0x%x", major_func, minor_func); } } else guac_client_log_error(rdpdr->client, "Unknown device ID: 0x%08x", device_id); } void guac_rdpdr_process_server_capability(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { int count; int i; /* Read header */ stream_read_uint16(input_stream, count); stream_seek(input_stream, 2); /* Parse capabilities */ for (i=0; iclient, "Ignoring server capability set type=0x%04x, length=%i", type, length); stream_seek(input_stream, length - 4); } /* Send own capabilities */ guac_rdpdr_send_client_capability(rdpdr); } void guac_rdpdr_process_user_loggedon(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { guac_client_log_info(rdpdr->client, "User logged on"); guac_rdpdr_send_client_device_list_announce_request(rdpdr); } void guac_rdpdr_process_prn_cache_data(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { guac_client_log_info(rdpdr->client, "Ignoring printer cached configuration data"); } void guac_rdpdr_process_prn_using_xps(guac_rdpdrPlugin* rdpdr, STREAM* input_stream) { guac_client_log_info(rdpdr->client, "Printer unexpectedly switched to XPS mode"); }