Method findFirst2

impacket/smbserver.py:993–1053

(connId, smbServer, recvPacket, parameters, data, maxDataCount)

    @staticmethod
    def findFirst2(connId, smbServer, recvPacket, parameters, data, maxDataCount):
        connData = smbServer.getConnectionData(connId)

        respSetup = b''
        respParameters = b''
        respData = b''
        findFirst2Parameters = smb.SMBFindFirst2_Parameters(recvPacket['Flags2'], data=parameters)

        if recvPacket['Tid'] in connData['ConnectedShares']:
            path = connData['ConnectedShares'][recvPacket['Tid']]['path']

            searchResult, searchCount, errorCode = findFirst2(path,
                                                              decodeSMBString(recvPacket['Flags2'],
                                                                              findFirst2Parameters['FileName']),
                                                              findFirst2Parameters['InformationLevel'],
                                                              findFirst2Parameters['SearchAttributes'],
                                                              pktFlags=recvPacket['Flags2'])

            if searchCount > 0:
                respParameters = smb.SMBFindFirst2Response_Parameters()
                endOfSearch = 1
                sid = 0x80  # default SID
                searchCount = 0
                totalData = 0
                for i in enumerate(searchResult):
                    # i[1].dump()
                    data = i[1].getData()
                    lenData = len(data)
                    if (totalData + lenData) >= maxDataCount or (i[0] + 1) > findFirst2Parameters['SearchCount']:
                        # We gotta stop here and continue on a find_next2
                        endOfSearch = 0
                        # Simple way to generate a fid
                        if len(connData['SIDs']) == 0:
                            sid = 1
                        else:
                            sid = list(connData['SIDs'].keys())[-1] + 1
                        # Store the remaining search results in the ConnData SID
                        connData['SIDs'][sid] = searchResult[i[0]:]
                        respParameters['LastNameOffset'] = totalData
                        break
                    else:
                        searchCount += 1
                        respData += data

                        padLen = (8 - (lenData % 8)) % 8
                        respData += b'\xaa' * padLen
                        totalData += lenData + padLen

                respParameters['SID'] = sid
                respParameters['EndOfSearch'] = endOfSearch
                respParameters['SearchCount'] = searchCount

            # If we've empty files and errorCode was not already set, we return NO_SUCH_FILE
            elif errorCode == 0:
                errorCode = STATUS_NO_SUCH_FILE
        else:
            errorCode = STATUS_SMB_BAD_TID