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Add packet to check if remote is running as root.

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This commit is contained in:
Natalia Portillo
2019-10-26 17:39:50 +01:00
parent ad053da2a6
commit 49297dc54a
5 changed files with 138 additions and 40 deletions
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11
DiscImageChef.Devices/Device/Variables.cs
View File

@@ -219,6 +219,17 @@ namespace DiscImageChef.Devices
public byte[] Cis { get; } public byte[] Cis { get; }
private readonly Remote.Remote _remote; private readonly Remote.Remote _remote;
private bool? _isRemoteAdmin;
public bool IsRemoteAdmin
{
get
{
if (_isRemoteAdmin is null) _isRemoteAdmin = _remote.IsRoot;
return _isRemoteAdmin == true;
}
}
public bool IsRemote => _remote != null; public bool IsRemote => _remote != null;
public string RemoteApplication => _remote?.ServerApplication; public string RemoteApplication => _remote?.ServerApplication;

4
DiscImageChef.Devices/Remote/Enums.cs
View File

@@ -27,7 +27,9 @@ namespace DiscImageChef.Devices.Remote
ResponseGetFireWireData = 22, ResponseGetFireWireData = 22,
CommandGetPcmciaData = 23, CommandGetPcmciaData = 23,
ResponseGetPcmciaData = 24, ResponseGetPcmciaData = 24,
CommandCloseDevice = 25 CommandCloseDevice = 25,
CommandAmIRoot = 26,
ResponseAmIRoot = 27
} }
public enum DicNopReason : byte public enum DicNopReason : byte

65
DiscImageChef.Devices/Remote/Remote.cs
View File

@@ -140,6 +140,71 @@ namespace DiscImageChef.Devices.Remote
public string ServerArchitecture { get; } public string ServerArchitecture { get; }
public int ServerProtocolVersion { get; } public int ServerProtocolVersion { get; }
public bool IsRoot
{
get
{
var cmdPkt = new DicPacketCmdAmIRoot
{
hdr = new DicPacketHeader
{
remote_id = Consts.RemoteId, packet_id = Consts.PacketId,
len = (uint) Marshal.SizeOf<DicPacketCmdAmIRoot>(),
version = Consts.PacketVersion,
packetType = DicPacketType.CommandAmIRoot
}
};
var buf = Marshal.StructureToByteArrayLittleEndian(cmdPkt);
var len = _socket.Send(buf, SocketFlags.None);
if (len != buf.Length)
{
DicConsole.ErrorWriteLine("Could not write to the network...");
return false;
}
var hdrBuf = new byte[Marshal.SizeOf<DicPacketHeader>()];
len = Receive(_socket, hdrBuf, hdrBuf.Length, SocketFlags.Peek);
if (len < hdrBuf.Length)
{
DicConsole.ErrorWriteLine("Could not read from the network...");
return false;
}
var hdr = Marshal.ByteArrayToStructureLittleEndian<DicPacketHeader>(hdrBuf);
if (hdr.remote_id != Consts.RemoteId || hdr.packet_id != Consts.PacketId)
{
DicConsole.ErrorWriteLine("Received data is not a DIC Remote Packet...");
return false;
}
if (hdr.packetType != DicPacketType.ResponseAmIRoot)
{
DicConsole.ErrorWriteLine("Expected Am I Root? Response Packet, got packet type {0}...",
hdr.packetType);
return false;
}
buf = new byte[hdr.len];
len = Receive(_socket, buf, buf.Length, SocketFlags.None);
if (len < buf.Length)
{
DicConsole.ErrorWriteLine("Could not read from the network...");
return false;
}
var res = Marshal.ByteArrayToStructureLittleEndian<DicPacketResAmIRoot>(buf);
return res.am_i_root;
}
}
public void Dispose() public void Dispose()
{ {
Disconnect(); Disconnect();

13
DiscImageChef.Devices/Remote/Structs.cs
View File

@@ -320,4 +320,17 @@ namespace DiscImageChef.Devices.Remote
{ {
public DicPacketHeader hdr; public DicPacketHeader hdr;
} }
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
public struct DicPacketCmdAmIRoot
{
public DicPacketHeader hdr;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
public struct DicPacketResAmIRoot
{
public DicPacketHeader hdr;
[MarshalAs(UnmanagedType.U4)] public bool am_i_root;
}
} }

83
DiscImageChef/Commands/DeviceReport.cs
View File

@@ -74,7 +74,7 @@ namespace DiscImageChef.Commands
public override int Invoke(IEnumerable<string> arguments) public override int Invoke(IEnumerable<string> arguments)
{ {
List<string> extra = Options.Parse(arguments); var extra = Options.Parse(arguments);
if (showHelp) if (showHelp)
{ {
@@ -105,15 +105,6 @@ namespace DiscImageChef.Commands
DicConsole.DebugWriteLine("Device-Report command", "--device={0}", devicePath); DicConsole.DebugWriteLine("Device-Report command", "--device={0}", devicePath);
DicConsole.DebugWriteLine("Device-Report command", "--verbose={0}", MainClass.Verbose); DicConsole.DebugWriteLine("Device-Report command", "--verbose={0}", MainClass.Verbose);
if (!DetectOS.IsAdmin)
{
DicConsole
.ErrorWriteLine(
"Because of the commands sent to a device, device report must be run with administrative privileges.");
DicConsole.ErrorWriteLine("Not continuing.");
return (int) ErrorNumber.NotEnoughPermissions;
}
if (devicePath.Length == 2 && devicePath[1] == ':' && devicePath[0] != '/' && char.IsLetter(devicePath[0])) if (devicePath.Length == 2 && devicePath[1] == ':' && devicePath[0] != '/' && char.IsLetter(devicePath[0]))
devicePath = "\\\\.\\" + char.ToUpper(devicePath[0]) + ':'; devicePath = "\\\\.\\" + char.ToUpper(devicePath[0]) + ':';
@@ -127,11 +118,27 @@ namespace DiscImageChef.Commands
Statistics.AddDevice(dev); Statistics.AddDevice(dev);
bool isAdmin;
if (dev.IsRemote)
isAdmin = dev.IsRemoteAdmin;
else isAdmin = DetectOS.IsAdmin;
if (!isAdmin)
{
DicConsole
.ErrorWriteLine(
"Because of the commands sent to a device, device report must be run with administrative privileges.");
DicConsole.ErrorWriteLine("Not continuing.");
return (int) ErrorNumber.NotEnoughPermissions;
}
var report = new DeviceReportV2 var report = new DeviceReportV2
{ {
Manufacturer = dev.Manufacturer, Model = dev.Model, Revision = dev.Revision, Type = dev.Type Manufacturer = dev.Manufacturer, Model = dev.Model, Revision = dev.Revision, Type = dev.Type
}; };
bool removable = false; var removable = false;
string jsonFile; string jsonFile;
if (!string.IsNullOrWhiteSpace(dev.Manufacturer) && !string.IsNullOrWhiteSpace(dev.Revision)) if (!string.IsNullOrWhiteSpace(dev.Manufacturer) && !string.IsNullOrWhiteSpace(dev.Revision))
@@ -249,7 +256,7 @@ namespace DiscImageChef.Commands
DicConsole.WriteLine("Querying ATA IDENTIFY..."); DicConsole.WriteLine("Querying ATA IDENTIFY...");
dev.AtaIdentify(out buffer, out _, dev.Timeout, out _); dev.AtaIdentify(out buffer, out _, dev.Timeout, out _);
report.ATA.Identify = DeviceReport.ClearIdentify(buffer); report.ATA.Identify = DeviceReport.ClearIdentify(buffer);
List<TestedMedia> mediaTests = new List<TestedMedia>(); var mediaTests = new List<TestedMedia>();
pressedKey = new ConsoleKeyInfo(); pressedKey = new ConsoleKeyInfo();
while (pressedKey.Key != ConsoleKey.N) while (pressedKey.Key != ConsoleKey.N)
@@ -349,7 +356,7 @@ namespace DiscImageChef.Commands
.CToString(report.SCSI.Inquiry?.VendorIdentification)?.Trim() .CToString(report.SCSI.Inquiry?.VendorIdentification)?.Trim()
.ToLowerInvariant()); .ToLowerInvariant());
reporter.ReportScsiModes(ref report, out byte[] cdromMode); reporter.ReportScsiModes(ref report, out var cdromMode);
string mediumManufacturer; string mediumManufacturer;
byte[] senseBuffer; byte[] senseBuffer;
@@ -359,10 +366,10 @@ namespace DiscImageChef.Commands
{ {
case PeripheralDeviceTypes.MultiMediaDevice: case PeripheralDeviceTypes.MultiMediaDevice:
{ {
bool iomegaRev = dev.Manufacturer.ToLowerInvariant() == "iomega" && var iomegaRev = dev.Manufacturer.ToLowerInvariant() == "iomega" &&
dev.Model.ToLowerInvariant().StartsWith("rrd"); dev.Model.ToLowerInvariant().StartsWith("rrd");
List<string> mediaTypes = new List<string>(); var mediaTypes = new List<string>();
report.SCSI.MultiMediaDevice = new Mmc report.SCSI.MultiMediaDevice = new Mmc
{ {
@@ -584,8 +591,8 @@ namespace DiscImageChef.Commands
if (dev.Model.StartsWith("PD-", StringComparison.Ordinal)) mediaTypes.Add("PD-650"); if (dev.Model.StartsWith("PD-", StringComparison.Ordinal)) mediaTypes.Add("PD-650");
List<TestedMedia> mediaTests = new List<TestedMedia>(); var mediaTests = new List<TestedMedia>();
foreach (string mediaType in mediaTypes) foreach (var mediaType in mediaTypes)
{ {
pressedKey = new ConsoleKeyInfo(); pressedKey = new ConsoleKeyInfo();
while (pressedKey.Key != ConsoleKey.Y && pressedKey.Key != ConsoleKey.N) while (pressedKey.Key != ConsoleKey.Y && pressedKey.Key != ConsoleKey.N)
@@ -604,17 +611,17 @@ namespace DiscImageChef.Commands
.WriteLine("Please insert it in the drive and press any key when it is ready."); .WriteLine("Please insert it in the drive and press any key when it is ready.");
System.Console.ReadKey(true); System.Console.ReadKey(true);
bool mediaIsRecognized = true; var mediaIsRecognized = true;
sense = dev.ScsiTestUnitReady(out senseBuffer, dev.Timeout, out _); sense = dev.ScsiTestUnitReady(out senseBuffer, dev.Timeout, out _);
if (sense) if (sense)
{ {
FixedSense? decSense = Sense.DecodeFixed(senseBuffer); var decSense = Sense.DecodeFixed(senseBuffer);
if (decSense.HasValue) if (decSense.HasValue)
{ {
if (decSense.Value.ASC == 0x3A) if (decSense.Value.ASC == 0x3A)
{ {
int leftRetries = 50; var leftRetries = 50;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -629,7 +636,7 @@ namespace DiscImageChef.Commands
} }
else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01) else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01)
{ {
int leftRetries = 50; var leftRetries = 50;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -645,7 +652,7 @@ namespace DiscImageChef.Commands
// These should be trapped by the OS but seems in some cases they're not // These should be trapped by the OS but seems in some cases they're not
else if (decSense.Value.ASC == 0x28) else if (decSense.Value.ASC == 0x28)
{ {
int leftRetries = 50; var leftRetries = 50;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -698,7 +705,7 @@ namespace DiscImageChef.Commands
if (pressedKey.Key == ConsoleKey.Y) if (pressedKey.Key == ConsoleKey.Y)
{ {
for (ushort i = (ushort) mediaTest.BlockSize;; i++) for (var i = (ushort) mediaTest.BlockSize;; i++)
{ {
DicConsole.Write("\rTrying to READ LONG with a size of {0} bytes...", DicConsole.Write("\rTrying to READ LONG with a size of {0} bytes...",
i); i);
@@ -745,7 +752,7 @@ namespace DiscImageChef.Commands
{ {
report.SCSI.SequentialDevice = reporter.ReportScsiSsc(); report.SCSI.SequentialDevice = reporter.ReportScsiSsc();
List<TestedSequentialMedia> seqTests = new List<TestedSequentialMedia>(); var seqTests = new List<TestedSequentialMedia>();
pressedKey = new ConsoleKeyInfo(); pressedKey = new ConsoleKeyInfo();
while (pressedKey.Key != ConsoleKey.N) while (pressedKey.Key != ConsoleKey.N)
@@ -771,18 +778,18 @@ namespace DiscImageChef.Commands
DicConsole.Write("Please write the media model and press enter: "); DicConsole.Write("Please write the media model and press enter: ");
mediumModel = System.Console.ReadLine(); mediumModel = System.Console.ReadLine();
bool mediaIsRecognized = true; var mediaIsRecognized = true;
sense = dev.ScsiTestUnitReady(out senseBuffer, dev.Timeout, out _); sense = dev.ScsiTestUnitReady(out senseBuffer, dev.Timeout, out _);
DicConsole.DebugWriteLine("Device reporting", "sense = {0}", sense); DicConsole.DebugWriteLine("Device reporting", "sense = {0}", sense);
if (sense) if (sense)
{ {
FixedSense? decSense = Sense.DecodeFixed(senseBuffer); var decSense = Sense.DecodeFixed(senseBuffer);
if (decSense.HasValue) if (decSense.HasValue)
{ {
if (decSense.Value.ASC == 0x3A) if (decSense.Value.ASC == 0x3A)
{ {
int leftRetries = 50; var leftRetries = 50;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -797,7 +804,7 @@ namespace DiscImageChef.Commands
} }
else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01) else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01)
{ {
int leftRetries = 50; var leftRetries = 50;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -813,7 +820,7 @@ namespace DiscImageChef.Commands
// These should be trapped by the OS but seems in some cases they're not // These should be trapped by the OS but seems in some cases they're not
else if (decSense.Value.ASC == 0x28) else if (decSense.Value.ASC == 0x28)
{ {
int leftRetries = 50; var leftRetries = 50;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -867,7 +874,7 @@ namespace DiscImageChef.Commands
{ {
if (removable) if (removable)
{ {
List<TestedMedia> mediaTests = new List<TestedMedia>(); var mediaTests = new List<TestedMedia>();
pressedKey = new ConsoleKeyInfo(); pressedKey = new ConsoleKeyInfo();
while (pressedKey.Key != ConsoleKey.N) while (pressedKey.Key != ConsoleKey.N)
@@ -893,16 +900,16 @@ namespace DiscImageChef.Commands
DicConsole.Write("Please write the media model and press enter: "); DicConsole.Write("Please write the media model and press enter: ");
mediumModel = System.Console.ReadLine(); mediumModel = System.Console.ReadLine();
bool mediaIsRecognized = true; var mediaIsRecognized = true;
sense = dev.ScsiTestUnitReady(out senseBuffer, dev.Timeout, out _); sense = dev.ScsiTestUnitReady(out senseBuffer, dev.Timeout, out _);
if (sense) if (sense)
{ {
FixedSense? decSense = Sense.DecodeFixed(senseBuffer); var decSense = Sense.DecodeFixed(senseBuffer);
if (decSense.HasValue) if (decSense.HasValue)
if (decSense.Value.ASC == 0x3A) if (decSense.Value.ASC == 0x3A)
{ {
int leftRetries = 20; var leftRetries = 20;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -917,7 +924,7 @@ namespace DiscImageChef.Commands
} }
else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01) else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01)
{ {
int leftRetries = 20; var leftRetries = 20;
while (leftRetries > 0) while (leftRetries > 0)
{ {
DicConsole.Write("\rWaiting for drive to become ready"); DicConsole.Write("\rWaiting for drive to become ready");
@@ -958,7 +965,7 @@ namespace DiscImageChef.Commands
if (pressedKey.Key == ConsoleKey.Y) if (pressedKey.Key == ConsoleKey.Y)
{ {
for (ushort i = (ushort) mediaTest.BlockSize;; i++) for (var i = (ushort) mediaTest.BlockSize;; i++)
{ {
DicConsole DicConsole
.Write("\rTrying to READ LONG with a size of {0} bytes...", i); .Write("\rTrying to READ LONG with a size of {0} bytes...", i);
@@ -1016,7 +1023,7 @@ namespace DiscImageChef.Commands
if (pressedKey.Key == ConsoleKey.Y) if (pressedKey.Key == ConsoleKey.Y)
{ {
for (ushort i = (ushort) report.SCSI.ReadCapabilities.BlockSize;; i++) for (var i = (ushort) report.SCSI.ReadCapabilities.BlockSize;; i++)
{ {
DicConsole.Write("\rTrying to READ LONG with a size of {0} bytes...", i); DicConsole.Write("\rTrying to READ LONG with a size of {0} bytes...", i);
sense = dev.ReadLong10(out buffer, out senseBuffer, false, false, 0, i, sense = dev.ReadLong10(out buffer, out senseBuffer, false, false, 0, i,
@@ -1056,8 +1063,8 @@ namespace DiscImageChef.Commands
default: throw new NotSupportedException("Unknown device type."); default: throw new NotSupportedException("Unknown device type.");
} }
FileStream jsonFs = new FileStream(jsonFile, FileMode.Create); var jsonFs = new FileStream(jsonFile, FileMode.Create);
StreamWriter jsonSw = new StreamWriter(jsonFs); var jsonSw = new StreamWriter(jsonFs);
jsonSw.Write(JsonConvert.SerializeObject(report, Formatting.Indented, jsonSw.Write(JsonConvert.SerializeObject(report, Formatting.Indented,
new JsonSerializerSettings new JsonSerializerSettings
{ {