internal static SMB1Command GetTreeConnectResponse(SMB1Header header, TreeConnectAndXRequest request, SMB1ConnectionState state, NamedPipeShare services, SMBShareCollection shares)
{
SMB1Session session = state.GetSession(header.UID);
bool isExtended = (request.Flags & TreeConnectFlags.ExtendedResponse) > 0;
string shareName = ServerPathUtils.GetShareName(request.Path);
ISMBShare share;
ServiceName serviceName;
OptionalSupportFlags supportFlags;
if (String.Equals(shareName, NamedPipeShare.NamedPipeShareName, StringComparison.InvariantCultureIgnoreCase))
{
share = services;
serviceName = ServiceName.NamedPipe;
supportFlags = OptionalSupportFlags.SMB_SUPPORT_SEARCH_BITS | OptionalSupportFlags.SMB_CSC_NO_CACHING;
}
else
{
share = shares.GetShareFromName(shareName);
serviceName = ServiceName.DiskShare;
supportFlags = OptionalSupportFlags.SMB_SUPPORT_SEARCH_BITS | OptionalSupportFlags.SMB_CSC_CACHE_MANUAL_REINT;
if (share == null)
{
header.Status = NTStatus.STATUS_OBJECT_PATH_NOT_FOUND;
return(new ErrorResponse(request.CommandName));
}
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "Tree Connect to '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
header.Status = NTStatus.STATUS_ACCESS_DENIED;
return(new ErrorResponse(request.CommandName));
}
}
ushort?treeID = session.AddConnectedTree(share);
if (!treeID.HasValue)
{
header.Status = NTStatus.STATUS_INSUFF_SERVER_RESOURCES;
return(new ErrorResponse(request.CommandName));
}
state.LogToServer(Severity.Information, "Tree Connect: User '{0}' connected to '{1}'", session.UserName, share.Name);
header.TID = treeID.Value;
if (isExtended)
{
return(CreateTreeConnectResponseExtended(serviceName, supportFlags));
}
else
{
return(CreateTreeConnectResponse(serviceName, supportFlags));
}
}
internal static SMB2Command GetTreeConnectResponse(TreeConnectRequest request, SMB2ConnectionState state, NamedPipeShare services, SMBShareCollection shares)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
TreeConnectResponse response = new TreeConnectResponse();
string shareName = ServerPathUtils.GetShareName(request.Path);
ISMBShare share;
ShareType shareType;
ShareFlags shareFlags;
if (String.Equals(shareName, NamedPipeShare.NamedPipeShareName, StringComparison.OrdinalIgnoreCase))
{
share = services;
shareType = ShareType.Pipe;
shareFlags = ShareFlags.NoCaching;
}
else
{
share = shares.GetShareFromName(shareName);
if (share == null)
{
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_OBJECT_PATH_NOT_FOUND));
}
shareType = ShareType.Disk;
shareFlags = GetShareCachingFlags(((FileSystemShare)share).CachingPolicy);
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "Tree Connect to '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
uint?treeID = session.AddConnectedTree(share);
if (!treeID.HasValue)
{
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INSUFF_SERVER_RESOURCES));
}
state.LogToServer(Severity.Information, "Tree Connect: User '{0}' connected to '{1}' (SessionID: {2}, TreeID: {3})", session.UserName, share.Name, request.Header.SessionID, treeID.Value);
response.Header.TreeID = treeID.Value;
response.ShareType = shareType;
response.ShareFlags = shareFlags;
response.MaximalAccess = (AccessMask)(FileAccessMask.FILE_READ_DATA | FileAccessMask.FILE_WRITE_DATA | FileAccessMask.FILE_APPEND_DATA |
FileAccessMask.FILE_READ_EA | FileAccessMask.FILE_WRITE_EA |
FileAccessMask.FILE_EXECUTE |
FileAccessMask.FILE_READ_ATTRIBUTES | FileAccessMask.FILE_WRITE_ATTRIBUTES) |
AccessMask.DELETE | AccessMask.READ_CONTROL | AccessMask.WRITE_DAC | AccessMask.WRITE_OWNER | AccessMask.SYNCHRONIZE;
return(response);
}
