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smbserver.py: return STATUS_END_OF_FILE if DataLength is 0 #2081

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Merged
merged 1 commit into from
Nov 27, 2025
Merged

smbserver.py: return STATUS_END_OF_FILE if DataLength is 0 #2081

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4 changes: 3 additions & 1 deletion impacket/smbserver.py
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@
STATUS_FILE_IS_A_DIRECTORY, STATUS_NOT_IMPLEMENTED, STATUS_INVALID_HANDLE, STATUS_OBJECT_NAME_COLLISION, \
STATUS_NO_SUCH_FILE, STATUS_CANCELLED, STATUS_OBJECT_NAME_NOT_FOUND, STATUS_SUCCESS, STATUS_ACCESS_DENIED, \
STATUS_NOT_SUPPORTED, STATUS_INVALID_DEVICE_REQUEST, STATUS_FS_DRIVER_REQUIRED, STATUS_INVALID_INFO_CLASS, \
STATUS_LOGON_FAILURE, STATUS_OBJECT_PATH_SYNTAX_BAD
STATUS_LOGON_FAILURE, STATUS_OBJECT_PATH_SYNTAX_BAD, STATUS_END_OF_FILE

# Setting LOG to current's module name
LOG = logging.getLogger(__name__)
Expand Down Expand Up @@ -3610,6 +3610,8 @@ def smb2Read(connId, smbServer, recvPacket):
respSMBCommand['DataLength'] = len(content)
respSMBCommand['DataRemaining'] = 0
respSMBCommand['Buffer'] = content
if len(content) == 0:
errorCode = STATUS_END_OF_FILE
except Exception as e:
smbServer.log('SMB2_READ: %s ' % e, logging.ERROR)
errorCode = STATUS_ACCESS_DENIED
Expand Down