zydronium/SMBLibrary
1
0
Fork 0
mirror of https://github.com/TalAloni/SMBLibrary.git synced 2025-08-23 07:20:48 +02:00
Code Issues Projects Releases Packages Wiki Activity

NTFileSystemHelper.CreateFile: Corrected FILE_SUPERSEDE implementation

Browse source
This commit is contained in:
Tal Aloni 2017-02-09 15:28:57 +02:00
parent a9f92df47b
commit 4be937e7c1
1 changed files with 42 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

50
SMBLibrary/Server/Helpers/NTFileSystemHelper.cs
View file

@ -30,7 +30,8 @@ namespace SMBLibrary.Server
if (forceDirectory & (createDisposition != CreateDisposition.FILE_CREATE && if (forceDirectory & (createDisposition != CreateDisposition.FILE_CREATE &&
createDisposition != CreateDisposition.FILE_OPEN && createDisposition != CreateDisposition.FILE_OPEN &&
createDisposition != CreateDisposition.FILE_OPEN_IF)) createDisposition != CreateDisposition.FILE_OPEN_IF &&
createDisposition != CreateDisposition.FILE_SUPERSEDE))
{ {
entry = null; entry = null;
return NTStatus.STATUS_INVALID_PARAMETER; return NTStatus.STATUS_INVALID_PARAMETER;
@ -147,15 +148,14 @@ namespace SMBLibrary.Server
} }
else else
{ {
if (createDisposition == CreateDisposition.FILE_OVERWRITE || if (!requestedWriteAccess)
createDisposition == CreateDisposition.FILE_OVERWRITE_IF ||
createDisposition == CreateDisposition.FILE_SUPERSEDE)
{ {
if (!requestedWriteAccess) return NTStatus.STATUS_ACCESS_DENIED;
{ }
return NTStatus.STATUS_ACCESS_DENIED;
}
if (createDisposition == CreateDisposition.FILE_OVERWRITE ||
createDisposition == CreateDisposition.FILE_OVERWRITE_IF)
{
// Truncate the file // Truncate the file
try try
{ {
@ -169,6 +169,40 @@ namespace SMBLibrary.Server
return status; return status;
} }
} }
else if (createDisposition == CreateDisposition.FILE_SUPERSEDE)
{
// Delete the old file
try
{
fileSystem.Delete(path);
}
catch(Exception ex)
{
NTStatus status = ToNTStatus(ex);
state.LogToServer(Severity.Debug, "CreateFile: Error deleting '{0}'. {1}.", path, status);
return status;
}
try
{
if (forceDirectory)
{
state.LogToServer(Severity.Information, "CreateFile: Creating directory '{0}'", path);
entry = fileSystem.CreateDirectory(path);
}
else
{
state.LogToServer(Severity.Information, "CreateFile: Creating file '{0}'", path);
entry = fileSystem.CreateFile(path);
}
}
catch (Exception ex)
{
NTStatus status = ToNTStatus(ex);
state.LogToServer(Severity.Debug, "CreateFile: Error creating '{0}'. {1}.", path, status);
return status;
}
}
} }
} }
else else