/** * FreeRDP: A Remote Desktop Protocol client. * Remote Applications Integrated Locally (RAIL) Orders * * Copyright 2009 Marc-Andre Moreau * Copyright 2011 Roman Barabanov * * 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. */ #include #include #include "rail_orders.h" #define RAIL_ORDER_TYPE_EXEC 0x0001 #define RAIL_ORDER_TYPE_ACTIVATE 0x0002 #define RAIL_ORDER_TYPE_SYSPARAM 0x0003 #define RAIL_ORDER_TYPE_SYSCOMMAND 0x0004 #define RAIL_ORDER_TYPE_HANDSHAKE 0x0005 #define RAIL_ORDER_TYPE_NOTIFY_EVENT 0x0006 #define RAIL_ORDER_TYPE_WINDOW_MOVE 0x0008 #define RAIL_ORDER_TYPE_LOCALMOVESIZE 0x0009 #define RAIL_ORDER_TYPE_MINMAXINFO 0x000A #define RAIL_ORDER_TYPE_CLIENT_STATUS 0x000B #define RAIL_ORDER_TYPE_SYSMENU 0x000C #define RAIL_ORDER_TYPE_LANGBAR_INFO 0x000D #define RAIL_ORDER_TYPE_EXEC_RESULT 0x0080 #define RAIL_ORDER_TYPE_GET_APPID_REQ 0x000E #define RAIL_ORDER_TYPE_GET_APPID_RESP 0x000F static const char* const RAIL_ORDER_TYPE_STRINGS[] = { "", "Execute", "Activate", "System Parameters Update", "System Command", "Handshake", "Notify Event", "", "Window Move", "Local Move/Size", "Min Max Info", "Client Status", "System Menu", "Language Bar Info", "Get Application ID Request", "Get Application ID Response", "Execute Result" }; void rail_string_to_unicode_string(rdpRailOrder* rail_order, char* string, UNICODE_STRING* unicode_string) { char* buffer; size_t length = 0; if (unicode_string->string != NULL) xfree(unicode_string->string); unicode_string->string = NULL; unicode_string->length = 0; if (string == NULL || strlen(string) < 1) return; buffer = freerdp_uniconv_out(rail_order->uniconv, string, &length); unicode_string->string = (uint8*) buffer; unicode_string->length = (uint16) length; } void rail_read_pdu_header(STREAM* s, uint16* orderType, uint16* orderLength) { stream_read_uint16(s, *orderType); /* orderType (2 bytes) */ stream_read_uint16(s, *orderLength); /* orderLength (2 bytes) */ } void rail_write_pdu_header(STREAM* s, uint16 orderType, uint16 orderLength) { stream_write_uint16(s, orderType); /* orderType (2 bytes) */ stream_write_uint16(s, orderLength); /* orderLength (2 bytes) */ } STREAM* rail_pdu_init(int length) { STREAM* s; s = stream_new(length + RAIL_PDU_HEADER_LENGTH); stream_seek(s, RAIL_PDU_HEADER_LENGTH); return s; } void rail_send_pdu(rdpRailOrder* rail_order, STREAM* s, uint16 orderType) { uint16 orderLength; orderLength = stream_get_length(s); stream_set_pos(s, 0); rail_write_pdu_header(s, orderType, orderLength); stream_set_pos(s, orderLength); /* send */ DEBUG_RAIL("Sending %s PDU, length:%d", RAIL_ORDER_TYPE_STRINGS[((orderType & 0xF0) >> 3) + (orderType & 0x0F)], orderLength); rail_send_channel_data(rail_order->plugin, s->data, orderLength); } void rail_write_high_contrast(STREAM* s, HIGH_CONTRAST* high_contrast) { high_contrast->colorSchemeLength = high_contrast->colorScheme.length + 2; stream_write_uint32(s, high_contrast->flags); /* flags (4 bytes) */ stream_write_uint32(s, high_contrast->colorSchemeLength); /* colorSchemeLength (4 bytes) */ rail_write_unicode_string(s, &high_contrast->colorScheme); /* colorScheme */ } void rail_read_handshake_order(STREAM* s, RAIL_HANDSHAKE_ORDER* handshake) { stream_read_uint32(s, handshake->buildNumber); /* buildNumber (4 bytes) */ } void rail_read_server_exec_result_order(STREAM* s, RAIL_EXEC_RESULT_ORDER* exec_result) { stream_read_uint16(s, exec_result->flags); /* flags (2 bytes) */ stream_read_uint16(s, exec_result->execResult); /* execResult (2 bytes) */ stream_read_uint32(s, exec_result->rawResult); /* rawResult (4 bytes) */ stream_seek_uint16(s); /* padding (2 bytes) */ rail_read_unicode_string(s, &exec_result->exeOrFile); /* exeOrFile */ } void rail_read_server_sysparam_order(STREAM* s, RAIL_SYSPARAM_ORDER* sysparam) { uint8 body; stream_read_uint32(s, sysparam->param); /* systemParam (4 bytes) */ stream_read_uint8(s, body); /* body (1 byte) */ switch (sysparam->param) { case SPI_SET_SCREEN_SAVE_ACTIVE: sysparam->setScreenSaveActive = (body != 0) ? true : false; break; case SPI_SET_SCREEN_SAVE_SECURE: sysparam->setScreenSaveSecure = (body != 0) ? true : false; break; default: break; } } void rail_read_server_minmaxinfo_order(STREAM* s, RAIL_MINMAXINFO_ORDER* minmaxinfo) { stream_read_uint32(s, minmaxinfo->windowId); /* windowId (4 bytes) */ stream_read_uint16(s, minmaxinfo->maxWidth); /* maxWidth (2 bytes) */ stream_read_uint16(s, minmaxinfo->maxHeight); /* maxHeight (2 bytes) */ stream_read_uint16(s, minmaxinfo->maxPosX); /* maxPosX (2 bytes) */ stream_read_uint16(s, minmaxinfo->maxPosY); /* maxPosY (2 bytes) */ stream_read_uint16(s, minmaxinfo->minTrackWidth); /* minTrackWidth (2 bytes) */ stream_read_uint16(s, minmaxinfo->minTrackHeight); /* minTrackHeight (2 bytes) */ stream_read_uint16(s, minmaxinfo->maxTrackWidth); /* maxTrackWidth (2 bytes) */ stream_read_uint16(s, minmaxinfo->maxTrackHeight); /* maxTrackHeight (2 bytes) */ } void rail_read_server_localmovesize_order(STREAM* s, RAIL_LOCALMOVESIZE_ORDER* localmovesize) { uint16 isMoveSizeStart; stream_read_uint32(s, localmovesize->windowId); /* windowId (4 bytes) */ stream_read_uint16(s, isMoveSizeStart); /* isMoveSizeStart (2 bytes) */ localmovesize->isMoveSizeStart = (isMoveSizeStart != 0) ? true : false; stream_read_uint16(s, localmovesize->moveSizeType); /* moveSizeType (2 bytes) */ stream_read_uint16(s, localmovesize->posX); /* posX (2 bytes) */ stream_read_uint16(s, localmovesize->posY); /* posY (2 bytes) */ } void rail_read_server_get_appid_resp_order(STREAM* s, RAIL_GET_APPID_RESP_ORDER* get_appid_resp) { stream_read_uint32(s, get_appid_resp->windowId); /* windowId (4 bytes) */ stream_read(s, &get_appid_resp->applicationIdBuffer[0], 512); /* applicationId (256 UNICODE chars) */ get_appid_resp->applicationId.length = 512; get_appid_resp->applicationId.string = &get_appid_resp->applicationIdBuffer[0]; } void rail_read_langbar_info_order(STREAM* s, RAIL_LANGBAR_INFO_ORDER* langbar_info) { stream_read_uint32(s, langbar_info->languageBarStatus); /* languageBarStatus (4 bytes) */ } void rail_write_handshake_order(STREAM* s, RAIL_HANDSHAKE_ORDER* handshake) { stream_write_uint32(s, handshake->buildNumber); /* buildNumber (4 bytes) */ } void rail_write_client_status_order(STREAM* s, RAIL_CLIENT_STATUS_ORDER* client_status) { stream_write_uint32(s, client_status->flags); /* flags (4 bytes) */ } void rail_write_client_exec_order(STREAM* s, RAIL_EXEC_ORDER* exec) { stream_write_uint16(s, exec->flags); /* flags (2 bytes) */ stream_write_uint16(s, exec->exeOrFile.length); /* exeOrFileLength (2 bytes) */ stream_write_uint16(s, exec->workingDir.length); /* workingDirLength (2 bytes) */ stream_write_uint16(s, exec->arguments.length); /* argumentsLength (2 bytes) */ rail_write_unicode_string_value(s, &exec->exeOrFile); /* exeOrFile */ rail_write_unicode_string_value(s, &exec->workingDir); /* workingDir */ rail_write_unicode_string_value(s, &exec->arguments); /* arguments */ } void rail_write_client_sysparam_order(STREAM* s, RAIL_SYSPARAM_ORDER* sysparam) { uint8 body; stream_write_uint32(s, sysparam->param); /* systemParam (4 bytes) */ switch (sysparam->param) { case SPI_SET_DRAG_FULL_WINDOWS: body = sysparam->dragFullWindows; stream_write_uint8(s, body); break; case SPI_SET_KEYBOARD_CUES: body = sysparam->keyboardCues; stream_write_uint8(s, body); break; case SPI_SET_KEYBOARD_PREF: body = sysparam->keyboardPref; stream_write_uint8(s, body); break; case SPI_SET_MOUSE_BUTTON_SWAP: body = sysparam->mouseButtonSwap; stream_write_uint8(s, body); break; case SPI_SET_WORK_AREA: freerdp_write_rectangle_16(s, &sysparam->workArea); break; case SPI_DISPLAY_CHANGE: freerdp_write_rectangle_16(s, &sysparam->displayChange); break; case SPI_TASKBAR_POS: freerdp_write_rectangle_16(s, &sysparam->taskbarPos); break; case SPI_SET_HIGH_CONTRAST: rail_write_high_contrast(s, &sysparam->highContrast); break; } } void rail_write_client_activate_order(STREAM* s, RAIL_ACTIVATE_ORDER* activate) { uint8 enabled; stream_write_uint32(s, activate->windowId); /* windowId (4 bytes) */ enabled = activate->enabled; stream_write_uint8(s, enabled); /* enabled (1 byte) */ } void rail_write_client_sysmenu_order(STREAM* s, RAIL_SYSMENU_ORDER* sysmenu) { stream_write_uint32(s, sysmenu->windowId); /* windowId (4 bytes) */ stream_write_uint16(s, sysmenu->left); /* left (2 bytes) */ stream_write_uint16(s, sysmenu->top); /* top (2 bytes) */ } void rail_write_client_syscommand_order(STREAM* s, RAIL_SYSCOMMAND_ORDER* syscommand) { stream_write_uint32(s, syscommand->windowId); /* windowId (4 bytes) */ stream_write_uint16(s, syscommand->command); /* command (2 bytes) */ } void rail_write_client_notify_event_order(STREAM* s, RAIL_NOTIFY_EVENT_ORDER* notify_event) { stream_write_uint32(s, notify_event->windowId); /* windowId (4 bytes) */ stream_write_uint32(s, notify_event->notifyIconId); /* notifyIconId (4 bytes) */ stream_write_uint32(s, notify_event->message); /* notifyIconId (4 bytes) */ } void rail_write_client_window_move_order(STREAM* s, RAIL_WINDOW_MOVE_ORDER* window_move) { stream_write_uint32(s, window_move->windowId); /* windowId (4 bytes) */ stream_write_uint16(s, window_move->left); /* left (2 bytes) */ stream_write_uint16(s, window_move->top); /* top (2 bytes) */ stream_write_uint16(s, window_move->right); /* right (2 bytes) */ stream_write_uint16(s, window_move->bottom); /* bottom (2 bytes) */ } void rail_write_client_get_appid_req_order(STREAM* s, RAIL_GET_APPID_REQ_ORDER* get_appid_req) { stream_write_uint32(s, get_appid_req->windowId); /* windowId (4 bytes) */ } void rail_write_langbar_info_order(STREAM* s, RAIL_LANGBAR_INFO_ORDER* langbar_info) { stream_write_uint32(s, langbar_info->languageBarStatus); /* languageBarStatus (4 bytes) */ } void rail_recv_handshake_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_handshake_order(s, &rail_order->handshake); rail_order->handshake.buildNumber = 0x00001DB0; rail_send_handshake_order(rail_order); rail_order->client_status.flags = RAIL_CLIENTSTATUS_ALLOWLOCALMOVESIZE; rail_send_client_status_order(rail_order); /* sysparam update */ rail_order->sysparam.params = 0; rail_order->sysparam.params |= SPI_MASK_SET_HIGH_CONTRAST; rail_order->sysparam.highContrast.colorScheme.string = NULL; rail_order->sysparam.highContrast.colorScheme.length = 0; rail_order->sysparam.highContrast.flags = 0x7E; rail_order->sysparam.params |= SPI_MASK_SET_MOUSE_BUTTON_SWAP; rail_order->sysparam.mouseButtonSwap = false; rail_order->sysparam.params |= SPI_MASK_SET_KEYBOARD_PREF; rail_order->sysparam.keyboardPref = false; rail_order->sysparam.params |= SPI_MASK_SET_DRAG_FULL_WINDOWS; rail_order->sysparam.dragFullWindows = false; rail_order->sysparam.params |= SPI_MASK_SET_KEYBOARD_CUES; rail_order->sysparam.keyboardCues = false; rail_order->sysparam.params |= SPI_MASK_SET_WORK_AREA; rail_order->sysparam.workArea.left = 0; rail_order->sysparam.workArea.top = 0; rail_order->sysparam.workArea.right = 1024; rail_order->sysparam.workArea.bottom = 768; rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_GET_SYSPARAMS, &rail_order->sysparam); } void rail_recv_exec_result_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_server_exec_result_order(s, &rail_order->exec_result); rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_EXEC_RESULTS, &rail_order->exec_result); } void rail_recv_server_sysparam_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_server_sysparam_order(s, &rail_order->sysparam); rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_SERVER_SYSPARAM, &rail_order->sysparam); } void rail_recv_server_minmaxinfo_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_server_minmaxinfo_order(s, &rail_order->minmaxinfo); rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_SERVER_MINMAXINFO, &rail_order->minmaxinfo); } void rail_recv_server_localmovesize_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_server_localmovesize_order(s, &rail_order->localmovesize); rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_SERVER_LOCALMOVESIZE, &rail_order->localmovesize); } void rail_recv_server_get_appid_resp_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_server_get_appid_resp_order(s, &rail_order->get_appid_resp); rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_APPID_RESP, &rail_order->get_appid_resp); } void rail_recv_langbar_info_order(rdpRailOrder* rail_order, STREAM* s) { rail_read_langbar_info_order(s, &rail_order->langbar_info); rail_send_channel_event(rail_order->plugin, RDP_EVENT_TYPE_RAIL_CHANNEL_LANGBARINFO, &rail_order->langbar_info); } void rail_order_recv(rdpRailOrder* rail_order, STREAM* s) { uint16 orderType; uint16 orderLength; rail_read_pdu_header(s, &orderType, &orderLength); DEBUG_RAIL("Received %s PDU, length:%d", RAIL_ORDER_TYPE_STRINGS[((orderType & 0xF0) >> 3) + (orderType & 0x0F)], orderLength); switch (orderType) { case RDP_RAIL_ORDER_HANDSHAKE: rail_recv_handshake_order(rail_order, s); break; case RDP_RAIL_ORDER_EXEC_RESULT: rail_recv_exec_result_order(rail_order, s); break; case RDP_RAIL_ORDER_SYSPARAM: rail_recv_server_sysparam_order(rail_order, s); break; case RDP_RAIL_ORDER_MINMAXINFO: rail_recv_server_minmaxinfo_order(rail_order, s); break; case RDP_RAIL_ORDER_LOCALMOVESIZE: rail_recv_server_localmovesize_order(rail_order, s); break; case RDP_RAIL_ORDER_GET_APPID_RESP: rail_recv_server_get_appid_resp_order(rail_order, s); break; case RDP_RAIL_ORDER_LANGBARINFO: rail_recv_langbar_info_order(rail_order, s); break; default: printf("Unknown RAIL PDU order reveived."); break; } } void rail_send_handshake_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_HANDSHAKE_ORDER_LENGTH); rail_write_handshake_order(s, &rail_order->handshake); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_HANDSHAKE); } void rail_send_client_status_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_CLIENT_STATUS_ORDER_LENGTH); rail_write_client_status_order(s, &rail_order->client_status); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_CLIENT_STATUS); } void rail_send_client_exec_order(rdpRailOrder* rail_order) { STREAM* s; int length; length = RAIL_EXEC_ORDER_LENGTH + rail_order->exec.exeOrFile.length + rail_order->exec.workingDir.length + rail_order->exec.arguments.length; s = rail_pdu_init(RAIL_EXEC_ORDER_LENGTH); rail_write_client_exec_order(s, &rail_order->exec); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_EXEC); } void rail_send_client_sysparam_order(rdpRailOrder* rail_order) { STREAM* s; int length; length = RAIL_SYSPARAM_ORDER_LENGTH; switch (rail_order->sysparam.param) { case SPI_SET_DRAG_FULL_WINDOWS: case SPI_SET_KEYBOARD_CUES: case SPI_SET_KEYBOARD_PREF: case SPI_SET_MOUSE_BUTTON_SWAP: length += 1; break; case SPI_SET_WORK_AREA: case SPI_DISPLAY_CHANGE: case SPI_TASKBAR_POS: length += 8; break; case SPI_SET_HIGH_CONTRAST: length += rail_order->sysparam.highContrast.colorSchemeLength + 10; break; } s = rail_pdu_init(RAIL_SYSPARAM_ORDER_LENGTH + 8); rail_write_client_sysparam_order(s, &rail_order->sysparam); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_SYSPARAM); } void rail_send_client_sysparams_order(rdpRailOrder* rail_order) { if (rail_order->sysparam.params & SPI_MASK_SET_HIGH_CONTRAST) { rail_order->sysparam.param = SPI_SET_HIGH_CONTRAST; rail_send_client_sysparam_order(rail_order); } if (rail_order->sysparam.params & SPI_MASK_TASKBAR_POS) { rail_order->sysparam.param = SPI_TASKBAR_POS; rail_send_client_sysparam_order(rail_order); } if (rail_order->sysparam.params & SPI_MASK_SET_MOUSE_BUTTON_SWAP) { rail_order->sysparam.param = SPI_SET_MOUSE_BUTTON_SWAP; rail_send_client_sysparam_order(rail_order); } if (rail_order->sysparam.params & SPI_MASK_SET_KEYBOARD_PREF) { rail_order->sysparam.param = SPI_SET_KEYBOARD_PREF; rail_send_client_sysparam_order(rail_order); } if (rail_order->sysparam.params & SPI_MASK_SET_DRAG_FULL_WINDOWS) { rail_order->sysparam.param = SPI_SET_DRAG_FULL_WINDOWS; rail_send_client_sysparam_order(rail_order); } if (rail_order->sysparam.params & SPI_MASK_SET_KEYBOARD_CUES) { rail_order->sysparam.param = SPI_SET_KEYBOARD_CUES; rail_send_client_sysparam_order(rail_order); } if (rail_order->sysparam.params & SPI_MASK_SET_WORK_AREA) { rail_order->sysparam.param = SPI_SET_WORK_AREA; rail_send_client_sysparam_order(rail_order); } } void rail_send_client_activate_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_ACTIVATE_ORDER_LENGTH); rail_write_client_activate_order(s, &rail_order->activate); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_ACTIVATE); } void rail_send_client_sysmenu_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_SYSMENU_ORDER_LENGTH); rail_write_client_sysmenu_order(s, &rail_order->sysmenu); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_SYSMENU); } void rail_send_client_syscommand_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_SYSCOMMAND_ORDER_LENGTH); rail_write_client_syscommand_order(s, &rail_order->syscommand); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_SYSCOMMAND); } void rail_send_client_notify_event_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_NOTIFY_EVENT_ORDER_LENGTH); rail_write_client_notify_event_order(s, &rail_order->notify_event); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_NOTIFY_EVENT); } void rail_send_client_window_move_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_WINDOW_MOVE_ORDER_LENGTH); rail_write_client_window_move_order(s, &rail_order->window_move); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_WINDOW_MOVE); } void rail_send_client_get_appid_req_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_GET_APPID_REQ_ORDER_LENGTH); rail_write_client_get_appid_req_order(s, &rail_order->get_appid_req); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_GET_APPID_REQ); } void rail_send_client_langbar_info_order(rdpRailOrder* rail_order) { STREAM* s; s = rail_pdu_init(RAIL_LANGBAR_INFO_ORDER_LENGTH); rail_write_langbar_info_order(s, &rail_order->langbar_info); rail_send_pdu(rail_order, s, RAIL_ORDER_TYPE_LANGBAR_INFO); } rdpRailOrder* rail_order_new() { rdpRailOrder* rail_order; rail_order = xnew(rdpRailOrder); if (rail_order != NULL) { rail_order->uniconv = freerdp_uniconv_new(); } return rail_order; } void rail_order_free(rdpRailOrder* rail_order) { if (rail_order != NULL) { freerdp_uniconv_free(rail_order->uniconv); xfree(rail_order); } }