public static string GetDeviceName(FileHandle fhandle)
{
using (MemoryAlloc data = new MemoryAlloc(600))
{
fhandle.IoControl(IoCtlQueryDeviceName, IntPtr.Zero, 0, data, data.Size);
MountDevName name = data.ReadStruct <MountDevName>();
return(data.ReadUnicodeString(MountDevName.NameOffset, name.NameLength / 2));
}
}
public string GetText()
{
int retChars;
using (var data = new MemoryAlloc(0x200))
{
retChars = Win32.InternalGetWindowText(this, data, data.Size / 2);
return(data.ReadUnicodeString(0, retChars));
}
}
public static void UnpackCredentials(
MemoryRegion buffer,
CredPackFlags flags,
out string domainName,
out string userName,
out string password
)
{
using (MemoryAlloc domainNameBuffer = new MemoryAlloc(0x100))
using (MemoryAlloc userNameBuffer = new MemoryAlloc(0x100))
using (MemoryAlloc passwordBuffer = new MemoryAlloc(0x100))
{
int domainNameSize = domainNameBuffer.Size / 2 - 1;
int userNameSize = userNameBuffer.Size / 2 - 1;
int passwordSize = passwordBuffer.Size / 2 - 1;
if (!Win32.CredUnPackAuthenticationBuffer(
flags,
buffer,
buffer.Size,
userNameBuffer,
ref userNameSize,
domainNameBuffer,
ref domainNameSize,
passwordBuffer,
ref passwordSize
))
{
domainNameBuffer.ResizeNew(domainNameSize * 2 + 2);
userNameBuffer.ResizeNew(userNameSize * 2 + 2);
passwordBuffer.ResizeNew(passwordSize * 2 + 2);
if (!Win32.CredUnPackAuthenticationBuffer(
flags,
buffer,
buffer.Size,
userNameBuffer,
ref userNameSize,
domainNameBuffer,
ref domainNameSize,
passwordBuffer,
ref passwordSize
))
{
Win32.Throw();
}
}
domainName = domainNameBuffer.ReadUnicodeString(0);
userName = userNameBuffer.ReadUnicodeString(0);
password = passwordBuffer.ReadUnicodeString(0);
}
}
private static string GetReparsePointTarget(FileHandle fhandle)
{
using (MemoryAlloc data = new MemoryAlloc(FileSystem.MaximumReparseDataBufferSize))
{
fhandle.IoControl(FileSystem.FsCtlGetReparsePoint, IntPtr.Zero, 0, data, data.Size);
FileSystem.ReparseDataBuffer buffer = data.ReadStruct <FileSystem.ReparseDataBuffer>();
// Make sure it is in fact a mount point.
if (buffer.ReparseTag != (uint)IoReparseTag.MountPoint)
{
Win32.Throw(NtStatus.InvalidParameter);
}
return(data.ReadUnicodeString(
FileSystem.ReparseDataBuffer.MountPointPathBuffer + buffer.SubstituteNameOffset,
buffer.SubstituteNameLength / 2
));
}
}
public string GetLogFileName()
{
NtStatus status;
int retLength;
using (var data = new MemoryAlloc(0x1000))
{
status = Win32.NtQueryInformationTransactionManager(
this,
TmInformationClass.TransactionManagerLogPathInformation,
data,
data.Size,
out retLength
);
if (status == NtStatus.BufferTooSmall)
{
// Resize the buffer and try again.
data.ResizeNew(retLength);
status = Win32.NtQueryInformationTransactionManager(
this,
TmInformationClass.TransactionManagerLogPathInformation,
data,
data.Size,
out retLength
);
}
if (status >= NtStatus.Error)
{
Win32.Throw(status);
}
TmLogPathInformation logPathInfo = data.ReadStruct <TmLogPathInformation>();
return(data.ReadUnicodeString(TmLogPathInformation.LogPathOffset, logPathInfo.LogPathLength));
}
}
public static void UnpackCredentials(
MemoryRegion buffer,
CredPackFlags flags,
out string domainName,
out string userName,
out string password
)
{
using (var domainNameBuffer = new MemoryAlloc(0x100))
using (var userNameBuffer = new MemoryAlloc(0x100))
using (var passwordBuffer = new MemoryAlloc(0x100))
{
int domainNameSize = domainNameBuffer.Size / 2 - 1;
int userNameSize = userNameBuffer.Size / 2 - 1;
int passwordSize = passwordBuffer.Size / 2 - 1;
if (!Win32.CredUnPackAuthenticationBuffer(
flags,
buffer,
buffer.Size,
userNameBuffer,
ref userNameSize,
domainNameBuffer,
ref domainNameSize,
passwordBuffer,
ref passwordSize
))
{
domainNameBuffer.ResizeNew(domainNameSize * 2 + 2);
userNameBuffer.ResizeNew(userNameSize * 2 + 2);
passwordBuffer.ResizeNew(passwordSize * 2 + 2);
if (!Win32.CredUnPackAuthenticationBuffer(
flags,
buffer,
buffer.Size,
userNameBuffer,
ref userNameSize,
domainNameBuffer,
ref domainNameSize,
passwordBuffer,
ref passwordSize
))
Win32.Throw();
}
domainName = domainNameBuffer.ReadUnicodeString(0);
userName = userNameBuffer.ReadUnicodeString(0);
password = passwordBuffer.ReadUnicodeString(0);
}
}
public static bool PromptForCredentials(
IWin32Window parent,
string messageText,
string captionText,
string targetName,
Win32Error errorCode,
ref string userName,
ref string password,
ref bool save,
CredUiFlags flags
)
{
const int maxBytes = 0x200;
const int maxChars = (maxBytes - 2) / 2;
Win32Error result;
CredUiInfo info = new CredUiInfo();
if (userName.Length > maxChars || password.Length > maxChars)
throw new ArgumentException("The user name or password string is too long.");
info.Size = System.Runtime.InteropServices.Marshal.SizeOf(typeof(CredUiInfo));
info.Parent = parent != null ? parent.Handle : IntPtr.Zero;
info.MessageText = messageText;
info.CaptionText = captionText;
using (var userNameAlloc = new MemoryAlloc(maxBytes))
using (var passwordAlloc = new MemoryAlloc(maxBytes))
{
userNameAlloc.WriteUnicodeString(0, userName);
userNameAlloc.WriteInt16(userName.Length * 2, 0);
passwordAlloc.WriteUnicodeString(0, password);
passwordAlloc.WriteInt16(password.Length * 2, 0);
result = Win32.CredUIPromptForCredentials(
ref info,
targetName,
IntPtr.Zero,
errorCode,
userNameAlloc,
maxBytes / 2,
passwordAlloc,
maxBytes / 2,
ref save,
flags
);
if (result == Win32Error.Cancelled)
return false;
if (result != Win32Error.Success)
Win32.Throw(result);
userName = userNameAlloc.ReadUnicodeString(0);
password = passwordAlloc.ReadUnicodeString(0);
return true;
}
}
private static string GetReparsePointTarget(FileHandle fhandle)
{
using (MemoryAlloc data = new MemoryAlloc(FileSystem.MaximumReparseDataBufferSize))
{
fhandle.IoControl(FileSystem.FsCtlGetReparsePoint, IntPtr.Zero, 0, data, data.Size);
FileSystem.ReparseDataBuffer buffer = data.ReadStruct<FileSystem.ReparseDataBuffer>();
// Make sure it is in fact a mount point.
if (buffer.ReparseTag != (uint)IoReparseTag.MountPoint)
Win32.Throw(NtStatus.InvalidParameter);
return data.ReadUnicodeString(
FileSystem.ReparseDataBuffer.MountPointPathBuffer + buffer.SubstituteNameOffset,
buffer.SubstituteNameLength / 2
);
}
}
public static string GetDeviceName(FileHandle fhandle)
{
using (MemoryAlloc data = new MemoryAlloc(600))
{
fhandle.IoControl(IoCtlQueryDeviceName, IntPtr.Zero, 0, data, data.Size);
MountDevName name = data.ReadStruct<MountDevName>();
return data.ReadUnicodeString(MountDevName.NameOffset, name.NameLength / 2);
}
}
public static bool PromptForCredentials(
IWin32Window parent,
string messageText,
string captionText,
string targetName,
Win32Error errorCode,
ref string userName,
ref string password,
ref bool save,
CredUiFlags flags
)
{
const int maxBytes = 0x200;
const int maxChars = (maxBytes - 2) / 2;
Win32Error result;
CredUiInfo info = new CredUiInfo();
if (userName.Length > maxChars || password.Length > maxChars)
{
throw new ArgumentException("The user name or password string is too long.");
}
info.Size = CredUiInfo.SizeOf;
info.Parent = parent != null ? parent.Handle : IntPtr.Zero;
info.MessageText = messageText;
info.CaptionText = captionText;
using (MemoryAlloc userNameAlloc = new MemoryAlloc(maxBytes))
using (MemoryAlloc passwordAlloc = new MemoryAlloc(maxBytes))
{
userNameAlloc.WriteUnicodeString(0, userName);
userNameAlloc.WriteInt16(userName.Length * 2, 0);
passwordAlloc.WriteUnicodeString(0, password);
passwordAlloc.WriteInt16(password.Length * 2, 0);
result = Win32.CredUIPromptForCredentials(
ref info,
targetName,
IntPtr.Zero,
errorCode,
userNameAlloc,
maxBytes / 2,
passwordAlloc,
maxBytes / 2,
ref save,
flags
);
if (result == Win32Error.Cancelled)
{
return(false);
}
if (result != Win32Error.Success)
{
Win32.Throw(result);
}
userName = userNameAlloc.ReadUnicodeString(0);
password = passwordAlloc.ReadUnicodeString(0);
return(true);
}
}
