/** * @description IDER Handling Module * @author Ylian Saint-Hilaire * @version v0.0.2 */ // Construct a Intel AMT IDER object module.exports.CreateAmtRemoteIder = function (webserver, meshcentral) { const fs = require('fs'); var obj = {}; obj.debug = false; obj.protocol = 3; // IDER obj.bytesToAmt = 0; obj.bytesFromAmt = 0; obj.rx_timeout = 30000; // Default 30000 obj.tx_timeout = 0; // Default 0 obj.heartbeat = 20000; // Default 20000 obj.version = 1; obj.acc = ""; obj.inSequence = 0; obj.outSequence = 0; obj.iderinfo = null; obj.enabled = false; obj.iderStart = 0; // OnReboot = 0, Graceful = 1, Now = 2 obj.floppy = null; obj.cdrom = null; obj.floppySize = null; obj.cdromSize = null; obj.floppyReady = false; obj.cdromReady = false; obj.sectorStats = null; // Private method function debug() { if (obj.debug) { console.log(...arguments); } } // Mode Sense var IDE_ModeSence_LS120Disk_Page_Array = String.fromCharCode(0x00, 0x26, 0x31, 0x80, 0x00, 0x00, 0x00, 0x00, 0x05, 0x1E, 0x10, 0xA9, 0x08, 0x20, 0x02, 0x00, 0x03, 0xC3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xD0, 0x00, 0x00); var IDE_ModeSence_3F_LS120_Array = String.fromCharCode(0x00, 0x5c, 0x24, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x16, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x05, 0x1E, 0x10, 0xA9, 0x08, 0x20, 0x02, 0x00, 0x03, 0xC3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xD0, 0x00, 0x00, 0x08, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x11, 0x24, 0x31); var IDE_ModeSence_FloppyDisk_Page_Array = String.fromCharCode(0x00, 0x26, 0x24, 0x80, 0x00, 0x00, 0x00, 0x00, 0x05, 0x1E, 0x04, 0xB0, 0x02, 0x12, 0x02, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xD0, 0x00, 0x00); var IDE_ModeSence_3F_Floppy_Array = String.fromCharCode(0x00, 0x5c, 0x24, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x16, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x05, 0x1e, 0x04, 0xb0, 0x02, 0x12, 0x02, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xd0, 0x00, 0x00, 0x08, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x11, 0x24, 0x31); var IDE_ModeSence_CD_1A_Array = String.fromCharCode(0x00, 0x12, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); //var IDE_ModeSence_CD_1B_Array = String.fromCharCode(0x00, 0x12, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1B, 0x0A, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); var IDE_ModeSence_CD_1D_Array = String.fromCharCode(0x00, 0x12, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1D, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); var IDE_ModeSence_CD_2A_Array = String.fromCharCode(0x00, 0x20, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x2a, 0x18, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); //var IDE_ModeSence_CD_01_Array = String.fromCharCode(0x00, 0x0E, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00); var IDE_ModeSence_3F_CD_Array = String.fromCharCode(0x00, 0x28, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x2a, 0x18, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); // 0x46 constant data var IDE_CD_ConfigArrayHeader = String.fromCharCode(0x00, 0x00,0x00, 0x28, 0x00, 0x00, 0x00, 0x08); var IDE_CD_ConfigArrayProfileList = String.fromCharCode(0x00, 0x00, 0x03, 0x04, 0x00, 0x08, 0x01, 0x00); var IDE_CD_ConfigArrayCore = String.fromCharCode(0x00, 0x01, 0x03, 0x04, 0x00, 0x00, 0x00, 0x02); var IDE_CD_Morphing = String.fromCharCode(0x00, 0x02, 0x03, 0x04, 0x00, 0x00, 0x00, 0x00); var IDE_CD_ConfigArrayRemovable = String.fromCharCode(0x00, 0x03, 0x03, 0x04, 0x29, 0x00, 0x00, 0x02); var IDE_CD_ConfigArrayRandom = String.fromCharCode(0x00, 0x10, 0x01, 0x08, 0x00, 0x00, 0x08, 0x00, 0x00, 0x01, 0x00, 0x00); var IDE_CD_Read = String.fromCharCode(0x00, 0x1E, 0x03, 0x00); var IDE_CD_PowerManagement = String.fromCharCode(0x01, 0x00, 0x03, 0x00); var IDE_CD_Timeout = String.fromCharCode(0x01, 0x05, 0x03, 0x00); // 0x01 constant data var IDE_ModeSence_FloppyError_Recovery_Array = String.fromCharCode(0x00, 0x12, 0x24, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0A, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00); var IDE_ModeSence_Ls120Error_Recovery_Array = String.fromCharCode(0x00, 0x12, 0x31, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0A, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00); var IDE_ModeSence_CDError_Recovery_Array = String.fromCharCode(0x00, 0x0E, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00); // Private method, called by parent when it change state obj.xxStateChange = function (newstate) { debug("IDER-StateChange", newstate); if (newstate == 0) { obj.Stop(); } if (newstate == 3) { obj.Start(); } } obj.diskSetup = function (floppyPath, cdromPath) { debug(floppyPath, cdromPath); // Setup floppy if (floppyPath != null) { try { if (fs.existsSync(floppyPath) == false) { return 1; } // Floppy disk image does not exist var stats = fs.statSync(floppyPath); if ((stats.size % 512) != 0) { return 2; } // Invalid floppy disk image obj.floppySize = stats.size; obj.floppy = fs.openSync(floppyPath, 'r'); } catch (ex) { return 3; } // Unable to open floppy disk image } // Setup CDROM if (cdromPath != null) { try { if (fs.existsSync(cdromPath) == false) { return 4; } // CDROM disk image does not exist var stats = fs.statSync(cdromPath); if ((stats.size % 512) != 0) { return 5; } // Invalid CDROM disk image obj.cdromSize = stats.size; obj.cdrom = fs.openSync(cdromPath, 'r'); } catch (ex) { return 6; } // Unable to open CDROM disk image } if ((obj.cdrom == null) && (obj.floppy == null)) { return 7; } // Can't do IDER with no disk images return 0; } obj.Start = function () { debug("IDER-Start"); // Get ready obj.bytesToAmt = 0; obj.bytesFromAmt = 0; obj.inSequence = 0; obj.outSequence = 0; g_readQueue = []; // Send first command, OPEN_SESSION obj.SendCommand(0x40, webserver.common.ShortToStrX(obj.rx_timeout) + webserver.common.ShortToStrX(obj.tx_timeout) + webserver.common.ShortToStrX(obj.heartbeat) + webserver.common.IntToStrX(obj.version)); // Send sector stats if (obj.sectorStats) { obj.sectorStats(0, 0, obj.floppy ? (obj.floppySize >> 9) : 0); obj.sectorStats(0, 1, obj.cdrom ? (obj.cdromSize >> 11) : 0); } } obj.Stop = function () { debug("IDER-Stop"); // Close the files if (obj.floppy) { fs.close(obj.floppy); delete obj.floppy; } if (obj.cdrom) { fs.close(obj.cdrom); delete obj.cdrom; } // Clean up obj.floppySize = 0; obj.cdromSize = 0; obj.floppyReady = false; obj.cdromReady = false; // Stop the redirection connection obj.parent.Stop(); } // Private method obj.ProcessData = function (data) { obj.bytesFromAmt += data.length; obj.acc += data; debug('IDER-ProcessData', obj.acc.length, webserver.common.rstr2hex(obj.acc)); // Process as many commands as possible while (true) { var len = obj.ProcessDataEx(); if (len == 0) return; if (obj.inSequence != webserver.common.ReadIntX(obj.acc, 4)) { debug('ERROR: Out of sequence', obj.inSequence, webserver.common.ReadIntX(obj.acc, 4)); obj.Stop(); return; } obj.inSequence++; obj.acc = obj.acc.substring(len); } } // Private method obj.SendCommand = function (cmdid, data, completed, dma) { if (data == null) { data = ''; } var attributes = ((cmdid > 50) && (completed == true)) ? 2 : 0; if (dma) { attributes += 1; } var x = String.fromCharCode(cmdid, 0, 0, attributes) + webserver.common.IntToStrX(obj.outSequence++) + data; obj.parent.xxSend(x); obj.bytesToAmt += x.length; if (cmdid != 0x4B) { debug('IDER-SendData', x.length, webserver.common.rstr2hex(x)); } } // CommandEndResponse (SCSI_SENSE) obj.SendCommandEndResponse = function (error, sense, device, asc, asq) { if (error) { obj.SendCommand(0x51, String.fromCharCode(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xc5, 0, 3, 0, 0, 0, device, 0x50, 0, 0, 0), true); } else { obj.SendCommand(0x51, String.fromCharCode(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x87, (sense << 4), 3, 0, 0, 0, device, 0x51, sense, asc, asq), true); } } // DataToHost (SCSI_READ) obj.SendDataToHost = function (device, completed, data, dma) { var dmalen = (dma) ? 0 : data.length; if (completed == true) { obj.SendCommand(0x54, String.fromCharCode(0, (data.length & 0xff), (data.length >> 8), 0, dma ? 0xb4 : 0xb5, 0, 2, 0, (dmalen & 0xff), (dmalen >> 8), device, 0x58, 0x85, 0, 3, 0, 0, 0, device, 0x50, 0, 0, 0, 0, 0, 0) + data, completed, dma); } else { obj.SendCommand(0x54, String.fromCharCode(0, (data.length & 0xff), (data.length >> 8), 0, dma ? 0xb4 : 0xb5, 0, 2, 0, (dmalen & 0xff), (dmalen >> 8), device, 0x58, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + data, completed, dma); } } // GetDataFromHost (SCSI_CHUNK) obj.SendGetDataFromHost = function (device, chunksize) { obj.SendCommand(0x52, String.fromCharCode(0, (chunksize & 0xff), (chunksize >> 8), 0, 0xb5, 0, 0, 0, (chunksize & 0xff), (chunksize >> 8), device, 0x58, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), false); } // DisableEnableFeatures (STATUS_DATA) // If type is REGS_TOGGLE (3), 4 bytes of data must be provided. obj.SendDisableEnableFeatures = function (type, data) { if (data == null) { data = ''; } obj.SendCommand(0x48, String.fromCharCode(type) + data); } // Private method obj.ProcessDataEx = function () { if (obj.acc.length < 8) return 0; // First 8 bytes are the header // CommandID + 0x000000 + Sequence Number switch(obj.acc.charCodeAt(0)) { case 0x41: // OPEN_SESSION if (obj.acc.length < 30) return 0; var len = obj.acc.charCodeAt(29); if (obj.acc.length < (30 + len)) return 0; obj.iderinfo = {}; obj.iderinfo.major = obj.acc.charCodeAt(8); obj.iderinfo.minor = obj.acc.charCodeAt(9); obj.iderinfo.fwmajor = obj.acc.charCodeAt(10); obj.iderinfo.fwminor = obj.acc.charCodeAt(11); obj.iderinfo.readbfr = webserver.common.ReadShortX(obj.acc, 16); obj.iderinfo.writebfr = webserver.common.ReadShortX(obj.acc, 18); obj.iderinfo.proto = obj.acc.charCodeAt(21); obj.iderinfo.iana = webserver.common.ReadIntX(obj.acc, 25); debug(obj.iderinfo); if (obj.iderinfo.proto != 0) { debug("Unknown proto", obj.iderinfo.proto); obj.Stop(); } if (obj.iderinfo.readbfr > 8192) { debug("Illegal read buffer size", obj.iderinfo.readbfr); obj.Stop(); } if (obj.iderinfo.writebfr > 8192) { debug("Illegal write buffer size", obj.iderinfo.writebfr); obj.Stop(); } if (obj.iderStart == 0) { obj.SendDisableEnableFeatures(3, webserver.common.IntToStrX(0x01 + 0x08)); } // OnReboot else if (obj.iderStart == 1) { obj.SendDisableEnableFeatures(3, webserver.common.IntToStrX(0x01 + 0x10)); } // Graceful else if (obj.iderStart == 2) { obj.SendDisableEnableFeatures(3, webserver.common.IntToStrX(0x01 + 0x18)); } // Now //obj.SendDisableEnableFeatures(1); // GetSupportedFeatures return 30 + len; case 0x43: // CLOSE debug('CLOSE'); obj.Stop(); return 8; case 0x44: // KEEPALIVEPING obj.SendCommand(0x45); // Send PONG back return 8; case 0x45: // KEEPALIVEPONG debug('PONG'); return 8; case 0x46: // RESETOCCURED if (obj.acc.length < 9) return 0; var resetMask = obj.acc.charCodeAt(8); if (g_media === null) { // No operations are pending obj.SendCommand(0x47); // Send ResetOccuredResponse debug('RESETOCCURED1', resetMask); } else { // Operations are being done, sent the reset once completed. g_reset = true; debug('RESETOCCURED2', resetMask); } return 9; case 0x49: // STATUS_DATA - DisableEnableFeaturesReply if (obj.acc.length < 13) return 0; var type = obj.acc.charCodeAt(8); var value = webserver.common.ReadIntX(obj.acc, 9); debug('STATUS_DATA', type, value); switch (type) { case 1: // REGS_AVAIL if (value & 1) { if (obj.iderStart == 0) { obj.SendDisableEnableFeatures(3, webserver.common.IntToStrX(0x01 + 0x08)); } // OnReboot else if (obj.iderStart == 1) { obj.SendDisableEnableFeatures(3, webserver.common.IntToStrX(0x01 + 0x10)); } // Graceful else if (obj.iderStart == 2) { obj.SendDisableEnableFeatures(3, webserver.common.IntToStrX(0x01 + 0x18)); } // Now } break; case 2: // REGS_STATUS obj.enabled = (value & 2) ? true : false; debug("IDER Status: " + obj.enabled); break; case 3: // REGS_TOGGLE if (value != 1) { debug("Register toggle failure"); } //else { obj.SendDisableEnableFeatures(2); } break; } return 13; case 0x4A: // ERROR OCCURED if (obj.acc.length < 11) return 0; debug('IDER: ABORT', obj.acc.charCodeAt(8)); //obj.Stop(); return 11; case 0x4B: // HEARTBEAT //debug('HEARTBEAT'); return 8; case 0x50: // COMMAND WRITTEN if (obj.acc.length < 28) return 0; var device = (obj.acc.charCodeAt(14) & 0x10) ? 0xB0 : 0xA0; var deviceFlags = obj.acc.charCodeAt(14); var cdb = obj.acc.substring(16, 28); var featureRegister = obj.acc.charCodeAt(9); debug('SCSI_CMD', device, webserver.common.rstr2hex(cdb), featureRegister, deviceFlags); handleSCSI(device, cdb, featureRegister, deviceFlags); return 28; case 0x53: // DATA FROM HOST if (obj.acc.length < 14) return 0; var len = webserver.common.ReadShortX(obj.acc, 9); if (obj.acc.length < (14 + len)) return 0; debug('SCSI_WRITE, len = ' + (14 + len)); obj.SendCommand(0x51, String.fromCharCode(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87, 0x70, 0x03, 0x00, 0x00, 0x00, 0xa0, 0x51, 0x07, 0x27, 0x00), true); return 14 + len; default: debug('Unknown IDER command', obj.acc[0]); obj.Stop(); break; } return 0; } function handleSCSI(dev, cdb, featureRegister, deviceFlags) { var lba; var len; switch(cdb.charCodeAt(0)) { case 0x00: // TEST_UNIT_READY: debug("SCSI: TEST_UNIT_READY", dev); switch (dev) { case 0xA0: // DEV_FLOPPY if (obj.floppy == null) { obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); return -1; } if (obj.floppyReady == false) { obj.floppyReady = true; obj.SendCommandEndResponse(1, 0x06, dev, 0x28, 0x00); return -1; } // Switch to ready break; case 0xB0: // DEV_CDDVD if (obj.cdrom == null) { obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); return -1; } if (obj.cdromReady == false) { obj.cdromReady = true; obj.SendCommandEndResponse(1, 0x06, dev, 0x28, 0x00); return -1; } // Switch to ready break; default: debug("SCSI Internal error 3", dev); return -1; } obj.SendCommandEndResponse(1, 0x00, dev, 0x00, 0x00); // Indicate ready break; case 0x08: // READ_6 lba = ((cdb.charCodeAt(1) & 0x1f) << 16) + (cdb.charCodeAt(2) << 8) + cdb.charCodeAt(3); len = cdb.charCodeAt(4); if (len == 0) { len = 256; } debug("SCSI: READ_6", dev, lba, len); sendDiskData(dev, lba, len, featureRegister); break; case 0x0a: // WRITE_6 lba = ((cdb.charCodeAt(1) & 0x1f) << 16) + (cdb.charCodeAt(2) << 8) + cdb.charCodeAt(3); len = cdb.charCodeAt(4); if (len == 0) { len = 256; } debug("SCSI: WRITE_6", dev, lba, len); obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); // Write is not supported, remote no medium. return -1; /* case 0x15: // MODE_SELECT_6: debug("SCSI ERROR: MODE_SELECT_6", dev); obj.SendCommandEndResponse(1, 0x05, dev, 0x20, 0x00); return -1; */ case 0x1a: // MODE_SENSE_6 debug("SCSI: MODE_SENSE_6", dev); if ((cdb.charCodeAt(2) == 0x3f) && (cdb.charCodeAt(3) == 0x00)) { var a = 0, b = 0; switch (dev) { case 0xA0: // DEV_FLOPPY if (obj.floppy == null) { obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); return -1; } a = 0x00; b = 0x80; // Read only = 0x80, Read write = 0x00 break; case 0xB0: // DEV_CDDVD if (obj.cdrom == null) { obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); return -1; } a = 0x05; b = 0x80; break; default: debug("SCSI Internal error 6", dev); return -1; } obj.SendDataToHost(dev, true, String.fromCharCode(0, a, b, 0), featureRegister & 1); return; } obj.SendCommandEndResponse(1, 0x05, dev, 0x24, 0x00); break; case 0x1b: // START_STOP (Called when you eject the CDROM) //var immediate = cdb.charCodeAt(1) & 0x01; //var loej = cdb.charCodeAt(4) & 0x02; //var start = cdb.charCodeAt(4) & 0x01; obj.SendCommandEndResponse(1, 0, dev); break; case 0x1e: // LOCK_UNLOCK - ALLOW_MEDIUM_REMOVAL debug("SCSI: ALLOW_MEDIUM_REMOVAL", dev); if ((dev == 0xA0) && (obj.floppy == null)) { obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); return -1; } if ((dev == 0xB0) && (obj.cdrom == null)) { obj.SendCommandEndResponse(1, 0x02, dev, 0x3a, 0x00); return -1; } obj.SendCommandEndResponse(1, 0x00, dev, 0x00, 0x00); break; case 0x23: // READ_FORMAT_CAPACITIES (Floppy only) debug("SCSI: READ_FORMAT_CAPACITIES", dev); var buflen = webserver.common.ReadShort(cdb, 7); var mediaStatus = 0, sectors; var mcSize = buflen / 8; // Capacity descriptor size is 8 switch (dev) { case 0xA0: // DEV_FLOPPY if ((obj.floppy == null) || (obj.floppySize == 0)) { obj.SendCommandEndResponse(0, 0x05, dev, 0x24, 0x00); return -1; } sectors = (obj.floppySize >> 9) - 1; break; case 0xB0: // DEV_CDDVD if ((obj.cdrom == null) || (obj.cdromSize == 0)) { obj.SendCommandEndResponse(0, 0x05, dev, 0x24, 0x00); return -1; } sectors = (obj.cdromSize >> 11) - 1; // Number 2048 byte blocks break; default: debug("SCSI Internal error 4", dev); return -1; } obj.SendDataToHost(dev, true, webserver.common.IntToStr(8) + String.fromCharCode(0x00, 0x00, 0x0b, 0x40, 0x02, 0x00, 0x02, 0x00), featureRegister & 1); break; case 0x25: // READ_CAPACITY debug("SCSI: READ_CAPACITY", dev); var len = 0; switch(dev) { case 0xA0: // DEV_FLOPPY if ((obj.floppy == null) || (obj.floppySize == 0)) { obj.SendCommandEndResponse(0, 0x02, dev, 0x3a, 0x00); return -1; } if (obj.floppy != null) { len = (obj.floppySize >> 9) - 1; } debug('DEV_FLOPPY', len); // Number 512 byte blocks break; case 0xB0: // DEV_CDDVD if ((obj.floppy == null) || (obj.floppySize == 0)) { obj.SendCommandEndResponse(0, 0x02, dev, 0x3a, 0x00); return -1; } if (obj.cdrom != null) { len = (obj.cdromSize >> 11) - 1; } // Number 2048 byte blocks debug('DEV_CDDVD', len); break; default: debug("SCSI Internal error 4", dev); return -1; } //if (dev == 0xA0) { dev = 0x00; } else { dev = 0x10; } // Weird but seems to work. debug("SCSI: READ_CAPACITY2", dev, deviceFlags); obj.SendDataToHost(deviceFlags, true, webserver.common.IntToStr(len) + String.fromCharCode(0, 0, ((dev == 0xB0) ? 0x08 : 0x02), 0), featureRegister & 1); break; case 0x28: // READ_10 lba = webserver.common.ReadInt(cdb, 2); len = webserver.common.ReadShort(cdb, 7); debug("SCSI: READ_10", dev, lba, len); sendDiskData(dev, lba, len, featureRegister); break; case 0x2a: // WRITE_10 (Floppy only) case 0x2e: // WRITE_AND_VERIFY (Floppy only) lba = webserver.common.ReadInt(cdb, 2); len = webserver.common.ReadShort(cdb, 7); debug("SCSI: WRITE_10", dev, lba, len); obj.SendGetDataFromHost(dev, 512 * len); // Floppy writes only, accept sectors of 512 bytes break; case 0x43: // READ_TOC (CD Audio only) var buflen = webserver.common.ReadShort(cdb, 7); var msf = cdb.charCodeAt(1) & 0x02; var format = cdb.charCodeAt(2) & 0x07; if (format == 0) { format = cdb.charCodeAt(9) >> 6; } debug("SCSI: READ_TOC, dev=" + dev + ", buflen=" + buflen + ", msf=" + msf + ", format=" + format); switch (dev) { case 0xA0: // DEV_FLOPPY obj.SendCommandEndResponse(1, 0x05, dev, 0x20, 0x00); // Not implemented return -1; case 0xB0: // DEV_CDDVD // NOP break; default: debug("SCSI Internal error 9", dev); return -1; } if (format == 1) { obj.SendDataToHost(dev, true, String.fromCharCode(0x00, 0x0a, 0x01, 0x01, 0x00, 0x14, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00), featureRegister & 1); } else if (format == 0) { if (msf) { obj.SendDataToHost(dev, true, String.fromCharCode(0x00, 0x12, 0x01, 0x01, 0x00, 0x14, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x14, 0xaa, 0x00, 0x00, 0x00, 0x34, 0x13), featureRegister & 1); } else { obj.SendDataToHost(dev, true, String.fromCharCode(0x00, 0x12, 0x01, 0x01, 0x00, 0x14, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0xaa, 0x00, 0x00, 0x00, 0x00, 0x00), featureRegister & 1); } } break; case 0x46: // GET_CONFIGURATION var sendall = (cdb.charCodeAt(1) != 2); var firstcode = webserver.common.ReadShort(cdb, 2); var buflen = webserver.common.ReadShort(cdb, 7); debug("SCSI: GET_CONFIGURATION", dev, sendall, firstcode, buflen); if (buflen == 0) { obj.SendDataToHost(dev, true, webserver.common.IntToStr(0x003c) + webserver.common.IntToStr(0x0008), featureRegister & 1); return -1; } // TODO: Fixed this return, it's not correct. // Set the header var r = webserver.common.IntToStr(0x0008); // Add the data if (firstcode == 0) { r += IDE_CD_ConfigArrayProfileList; } if ((firstcode == 0x1) || (sendall && (firstcode < 0x1))) { r += IDE_CD_ConfigArrayCore; } if ((firstcode == 0x2) || (sendall && (firstcode < 0x2))) { r += IDE_CD_Morphing; } if ((firstcode == 0x3) || (sendall && (firstcode < 0x3))) { r += IDE_CD_ConfigArrayRemovable; } if ((firstcode == 0x10) || (sendall && (firstcode < 0x10))) { r += IDE_CD_ConfigArrayRandom; } if ((firstcode == 0x1E) || (sendall && (firstcode < 0x1E))) { r += IDE_CD_Read; } if ((firstcode == 0x100) || (sendall && (firstcode < 0x100))) { r += IDE_CD_PowerManagement; } if ((firstcode == 0x105) || (sendall && (firstcode < 0x105))) { r += IDE_CD_Timeout; } // Set the length r = webserver.common.IntToStr(r.length) + r; // Cut the length to buflen if needed if (r.length > buflen) { r = r.substring(0, buflen); } obj.SendDataToHost(dev, true, r, featureRegister & 1); return -1; case 0x4a: // GET_EV_STATUS - GET_EVENT_STATUS_NOTIFICATION //var buflen = (cdb.charCodeAt(7) << 8) + cdb.charCodeAt(8); //if (buflen == 0) { obj.SendDataToHost(dev, true, webserver.common.IntToStr(0x003c) + webserver.common.IntToStr(0x0008), featureRegister & 1); return -1; } // TODO: Fixed this return, it's not correct. debug("SCSI: GET_EVENT_STATUS_NOTIFICATION", dev, cdb.charCodeAt(1), cdb.charCodeAt(4), cdb.charCodeAt(9)); if ((cdb.charCodeAt(1) != 0x01) && (cdb.charCodeAt(4) != 0x10)) { debug('SCSI ERROR'); obj.SendCommandEndResponse(1, 0x05, dev, 0x26, 0x01); break; } var present = 0x00; if ((dev == 0xA0) && (obj.floppy != null)) { present = 0x02; } else if ((dev == 0xB0) && (obj.cdrom != null)) { present = 0x02; } obj.SendDataToHost(dev, true, String.fromCharCode(0x00, present, 0x80, 0x00), featureRegister & 1); // This is the original version, 4 bytes long break; case 0x4c: obj.SendCommand(0x51, webserver.common.IntToStrX(0) + webserver.common.IntToStrX(0) + webserver.common.IntToStrX(0) + String.fromCharCode(0x87, 0x50, 0x03, 0x00, 0x00, 0x00, 0xb0, 0x51, 0x05, 0x20, 0x00), true); break; case 0x51: // READ_DISC_INFO debug("SCSI READ_DISC_INFO", dev); obj.SendCommandEndResponse(0, 0x05, dev, 0x20, 0x00); // Correct return -1; case 0x55: // MODE_SELECT_10: debug("SCSI ERROR: MODE_SELECT_10", dev); obj.SendCommandEndResponse(1, 0x05, dev, 0x20, 0x00); return -1; case 0x5a: // MODE_SENSE_10 debug("SCSI: MODE_SENSE_10", dev, cdb.charCodeAt(2) & 0x3f); var buflen = webserver.common.ReadShort(cdb, 7); //var pc = cdb.charCodeAt(2) & 0xc0; var r = null; if (buflen == 0) { obj.SendDataToHost(dev, true, webserver.common.IntToStr(0x003c) + webserver.common.IntToStr(0x0008), featureRegister & 1); return -1; } // TODO: Fixed this return, it's not correct. // 1.44 mb floppy or LS120 (sectorCount == 0x3c300) var sectorCount = 0; if (dev == 0xA0) { if (obj.floppy != null) { sectorCount = (obj.floppySize >> 9); } } else { if (obj.cdrom != null) { sectorCount = (obj.cdromSize >> 11); } } switch (cdb.charCodeAt(2) & 0x3f) { case 0x01: if (dev == 0xA0) { r = (sectorCount <= 0xb40)?IDE_ModeSence_FloppyError_Recovery_Array:IDE_ModeSence_Ls120Error_Recovery_Array; } else { r = IDE_ModeSence_CDError_Recovery_Array; } break; case 0x05: if (dev == 0xA0) { r = (sectorCount <= 0xb40)?IDE_ModeSence_FloppyDisk_Page_Array:IDE_ModeSence_LS120Disk_Page_Array; } break; case 0x3f: if (dev == 0xA0) { r = (sectorCount <= 0xb40)?IDE_ModeSence_3F_Floppy_Array:IDE_ModeSence_3F_LS120_Array; } else { r = IDE_ModeSence_3F_CD_Array; } break; case 0x1A: if (dev == 0xB0) { r = IDE_ModeSence_CD_1A_Array; } break; case 0x1D: if (dev == 0xB0) { r = IDE_ModeSence_CD_1D_Array; } break; case 0x2A: if (dev == 0xB0) { r = IDE_ModeSence_CD_2A_Array; } break; } if (r == null) { obj.SendCommandEndResponse(0, 0x05, dev, 0x20, 0x00); // TODO: Send proper error!!! } else { // Set disk to read only (we don't support write). //ms_data[3] = ms_data[3] | 0x80; obj.SendDataToHost(dev, true, r, featureRegister & 1); } break; default: // UNKNOWN COMMAND debug("IDER: Unknown SCSI command", cdb.charCodeAt(0)); obj.SendCommandEndResponse(0, 0x05, dev, 0x20, 0x00); return -1; } return 0; } function sendDiskData(dev, lba, len, featureRegister) { var media = null; var mediaBlocks = 0; if (dev == 0xA0) { media = obj.floppy; if (obj.floppy != null) { mediaBlocks = (obj.floppySize >> 9); } } if (dev == 0xB0) { media = obj.cdrom; if (obj.cdrom != null) { mediaBlocks = (obj.cdromSize >> 11); } } if ((len < 0) || (lba + len > mediaBlocks)) { obj.SendCommandEndResponse(1, 0x05, dev, 0x21, 0x00); return 0; } if (len == 0) { obj.SendCommandEndResponse(1, 0x00, dev, 0x00, 0x00); return 0; } if (media != null) { // Send sector stats if (obj.sectorStats) { obj.sectorStats(1, (dev == 0xA0) ? 0 : 1, mediaBlocks, lba, len); } if (dev == 0xA0) { lba <<= 9; len <<= 9; } else { lba <<= 11; len <<= 11; } if (g_media !== null) { // Queue read operation g_readQueue.push({ media: media, dev: dev, lba: lba, len: len, fr: featureRegister }); } else { // obj.iderinfo.readbfr // TODO: MaxRead g_media = media; g_dev = dev; g_lba = lba; g_len = len; sendDiskDataEx(featureRegister); } } } var g_readQueue = [], g_dev, g_lba, g_len, g_media = null, g_reset = false; function sendDiskDataEx(featureRegister) { var len = g_len, lba = g_lba; if (g_len > obj.iderinfo.readbfr) { len = obj.iderinfo.readbfr; } g_len -= len; g_lba += len; var buffer = Buffer.alloc(len); fs.read(g_media, buffer, 0, len, lba, function (error, bytesRead, buffer) { obj.SendDataToHost(g_dev, (g_len == 0), buffer.toString('binary'), featureRegister & 1); if ((g_len > 0) && (g_reset == false)) { sendDiskDataEx(featureRegister); } else { g_media = null; if (g_reset) { obj.SendCommand(0x47); g_readQueue = []; g_reset = false; } // Send ResetOccuredResponse else if (g_readQueue.length > 0) { var op = g_readQueue.shift(); g_media = op.media; g_dev = op.dev; g_lba = op.lba; g_len = op.len; sendDiskDataEx(op.fr); } // Un-queue read operation } }); } return obj; }