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Server: Corrected synchronization of SMB1Session and SMB2Session TreeID and FileID allocation methods

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This commit is contained in:
Tal Aloni 2017-09-28 16:35:54 +03:00
parent 5276088159
commit 7eda93f5da
2 changed files with 38 additions and 34 deletions
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27
SMBLibrary/Server/ConnectionState/SMB1Session.cs
View file

@ -42,12 +42,15 @@ namespace SMBLibrary.Server
public ushort? AddConnectedTree(ISMBShare share)
{
ushort? treeID = m_connection.AllocateTreeID();
if (treeID.HasValue)
lock (m_connection)
{
m_connectedTrees.Add(treeID.Value, share);
ushort? treeID = m_connection.AllocateTreeID();
if (treeID.HasValue)
{
m_connectedTrees.Add(treeID.Value, share);
}
return treeID;
}
return treeID;
}
public ISMBShare GetConnectedTree(ushort treeID)
@ -63,7 +66,7 @@ namespace SMBLibrary.Server
m_connectedTrees.TryGetValue(treeID, out share);
if (share != null)
{
lock (m_openFiles)
lock (m_connection)
{
List<ushort> fileIDList = new List<ushort>(m_openFiles.Keys);
foreach (ushort fileID in fileIDList)
@ -75,8 +78,8 @@ namespace SMBLibrary.Server
m_openFiles.Remove(fileID);
}
}
m_connectedTrees.Remove(treeID);
}
m_connectedTrees.Remove(treeID);
}
}
@ -94,15 +97,15 @@ namespace SMBLibrary.Server
public ushort? AddOpenFile(ushort treeID, string shareName, string relativePath, object handle)
{
ushort? fileID = m_connection.AllocateFileID();
if (fileID.HasValue)
lock (m_connection)
{
lock (m_openFiles)
ushort? fileID = m_connection.AllocateFileID();
if (fileID.HasValue)
{
m_openFiles.Add(fileID.Value, new OpenFileObject(treeID, shareName, relativePath, handle));
}
return fileID;
}
return fileID;
}
public OpenFileObject GetOpenFileObject(ushort fileID)
@ -114,7 +117,7 @@ namespace SMBLibrary.Server
public void RemoveOpenFile(ushort fileID)
{
lock (m_openFiles)
lock (m_connection)
{
m_openFiles.Remove(fileID);
}
@ -123,7 +126,7 @@ namespace SMBLibrary.Server
public List<string> ListOpenFiles()
{
List<string> result = new List<string>();
lock (m_openFiles)
lock (m_connection)
{
foreach (OpenFileObject openFile in m_openFiles.Values)
{

45
SMBLibrary/Server/ConnectionState/SMB2Session.cs
View file

@ -62,24 +62,22 @@ namespace SMBLibrary.Server
public uint? AddConnectedTree(ISMBShare share)
{
uint? treeID = AllocateTreeID();
if (treeID.HasValue)
lock (m_connectedTrees)
{
m_connectedTrees.Add(treeID.Value, share);
uint? treeID = AllocateTreeID();
if (treeID.HasValue)
{
m_connectedTrees.Add(treeID.Value, share);
}
return treeID;
}
return treeID;
}
public ISMBShare GetConnectedTree(uint treeID)
{
if (m_connectedTrees.ContainsKey(treeID))
{
return m_connectedTrees[treeID];
}
else
{
return null;
}
ISMBShare result;
m_connectedTrees.TryGetValue(treeID, out result);
return result;
}
public void DisconnectTree(uint treeID)
@ -101,7 +99,10 @@ namespace SMBLibrary.Server
}
}
}
m_connectedTrees.Remove(treeID);
lock (m_connectedTrees)
{
m_connectedTrees.Remove(treeID);
}
}
}
@ -131,19 +132,19 @@ namespace SMBLibrary.Server
public FileID? AddOpenFile(uint treeID, string shareName, string relativePath, object handle)
{
ulong? volatileFileID = AllocateVolatileFileID();
if (volatileFileID.HasValue)
lock (m_openFiles)
{
FileID fileID = new FileID();
fileID.Volatile = volatileFileID.Value;
// [MS-SMB2] FileId.Persistent MUST be set to Open.DurableFileId.
// Note: We don't support durable handles so we use volatileFileID.
fileID.Persistent = volatileFileID.Value;
lock (m_openFiles)
ulong? volatileFileID = AllocateVolatileFileID();
if (volatileFileID.HasValue)
{
FileID fileID = new FileID();
fileID.Volatile = volatileFileID.Value;
// [MS-SMB2] FileId.Persistent MUST be set to Open.DurableFileId.
// Note: We don't support durable handles so we use volatileFileID.
fileID.Persistent = volatileFileID.Value;
m_openFiles.Add(volatileFileID.Value, new OpenFileObject(treeID, shareName, relativePath, handle));
return fileID;
}
return fileID;
}
return null;
}