SMBTransmitter class initial
This commit is contained in:
Amir Abbas Mousavian
@@ -118,649 +118,7 @@ extension SMBFileProvider {
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return SMBFileProvider._pid
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}
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private func digestSMBMessage(data: NSData) throws -> (header: FileProviderSMBHeader, blocks: [(params: [UInt16], message: NSData?)]) {
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guard data.length > 30 else {
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throw NSURLError.BadServerResponse
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}
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var buffer = [UInt8](count: data.length, repeatedValue: 0)
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data.getBytes(&buffer, length: data.length)
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let smbver = buffer[0] == 0xff ? 1 : (buffer[0] == 0xfe ? 2 : 0)
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guard smbver > 0 else {
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throw SMBFileProviderError.BadHeader
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}
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let headersize = smbver == 2 ? sizeof(HeaderV2) : sizeof(HeaderV1)
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var rawHeader = buffer[0..<headersize]
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let headerData = NSData(bytesNoCopy: &rawHeader, length: headersize)
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let header: FileProviderSMBHeader = decode(headerData)
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if header.protocolID == HeaderV1.protocolConst {
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var blocks = [(params: [UInt16], message: NSData?)]()
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var offset = headersize
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while offset < data.length {
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let paramWords: [UInt16]
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if header.protocolID == HeaderV1.protocolConst {
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let paramWordsCount = Int(buffer[offset])
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guard data.length > (paramWordsCount * 2 + offset) else {
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throw SMBFileProviderError.IncorrectParamsLength
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}
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offset += sizeof(UInt8)
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var rawParamWords = [UInt8](buffer[offset..<(offset + paramWordsCount * 2)])
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let paramData = NSData(bytesNoCopy: &rawParamWords, length: rawParamWords.count)
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paramWords = decode(paramData)
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offset += paramWordsCount * 2
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} else {
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paramWords = []
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}
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let messageBytesCountLittleEndian = [UInt8](buffer[offset...(offset + 1)])
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let messageBytesCount = Int(UnsafePointer<UInt16>(messageBytesCountLittleEndian).memory)
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offset += sizeof(UInt16)
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guard data.length >= (offset + messageBytesCount) else {
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throw SMBFileProviderError.IncorrectMessageLength
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}
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var rawMessage = [UInt8](buffer[offset..<(offset + messageBytesCount)])
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offset += messageBytesCount
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let message = NSData(bytes: &rawMessage, length: rawMessage.count)
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blocks.append((params: paramWords, message: message))
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}
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return (header, blocks)
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}
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throw SMBFileProviderError.BadHeader
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}
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private func createSMBMessage(header: FileProviderSMBHeader, blocks: [(params: NSData?, message: NSData?)]) -> NSData {
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var headerv = header
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let result = NSMutableData(data: encode(&headerv))
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for block in blocks {
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if header.protocolID == HeaderV1.protocolConst {
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var paramWordsCount = UInt8(block.params?.length ?? 0)
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result.appendBytes(¶mWordsCount, length: sizeofValue(paramWordsCount))
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if let params = block.params {
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result.appendData(params)
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}
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}
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var messageLen = UInt16(block.message?.length ?? 0)
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result.appendBytes(&messageLen, length: sizeofValue(messageLen))
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if let message = block.message {
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result.appendData(message)
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}
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}
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return result
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}
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func negotiateAndConnectV2() -> UInt64? {
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guard let sockt = TCPSocketTransmitter(baseURL: self.baseURL!) else {
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return nil
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}
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sockt.connect()
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let negHeader = HeaderV2(command: .NEGOTIATE, creditRequestResponse: 0, messageId: 0, treeId: 0, sessionId: 0)
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let negMessage = NSData()
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self.createSMBMessage(negHeader, blocks: [(params: nil, message: negMessage)])
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_ = try? sockt.send(data: nil)
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sockt.waitForResponse()
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print(sockt.dataRecieved)
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return 0
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}
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private func smbTimeToUnix(smbTime: UInt64) -> UInt {
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return UInt(smbTime / 10000000) - 11644473600
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}
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private func unixTimeToSMB(unixTime: UInt) -> UInt64 {
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return (UInt64(unixTime) + 11644473600) * 10000000
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}
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}
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protocol FileProviderSMBHeader {
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var protocolID: UInt32 { get set }
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static var protocolConst: UInt32 { get }
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}
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// SMB/CIFS Types
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extension SMBFileProvider {
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struct HeaderV1 { // 32 bytes
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// header is always \u{ff}SMB
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var protocolID: UInt32
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static let protocolConst: UInt32 = 0x424d53ff
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private var _command: UInt8
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var command: CommandsV1 {
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get {
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return CommandsV1(rawValue: _command) ?? .INVALID
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}
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set {
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_command = newValue.rawValue
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}
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}
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// error messages from the server to the client
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private var _status1: UInt8
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private var _status2: UInt8
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private var _status3: UInt8
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private var _status4: UInt8
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var error: (Class: UInt8, code: UInt16) {
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get {
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return (_status1, UInt16(_status3) + (UInt16(_status4) << 8))
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}
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set {
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_status1 = newValue.Class
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_status3 = UInt8(newValue.code & 0xff)
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_status4 = UInt8(newValue.code >> 8)
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}
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}
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var ntStatus: UInt32 {
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get {
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let statusLo = UInt32(_status1) + UInt32(_status2) << 8
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let statusHi = UInt32(_status3) + UInt32(_status4) << 8
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return statusHi << 16 + statusLo
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}
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set {
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_status1 = UInt8(newValue & 0xff)
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_status2 = UInt8(newValue >> 8 & 0xff)
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_status3 = UInt8(newValue >> 16 & 0xff)
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_status4 = UInt8(newValue >> 24 & 0xff)
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}
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}
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var flags: FlagsV1
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var flags2: Flags2V1
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var pidHigh: UInt16
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// encryption key used for validating messages over connectionless transports
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private var _securityKeyLo: UInt16
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private var _securityKeyHi: UInt16
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var securityKey: UInt32 {
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get {
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return UInt32(_securityKeyHi) << 16 + UInt32(_securityKeyLo)
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}
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set {
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_securityKeyHi = UInt16(newValue >> 16)
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_securityKeyLo = UInt16(newValue & 0xffff)
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}
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}
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// connection identifier
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var securityCID: UInt16
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// identifier of the sequence of a message over connectionless transports
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var securitySequenceNumber: UInt16
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private var ununsed: UInt16
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var treeId: UInt16
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var pidLow: UInt16
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var userId: UInt16
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var multiplexId: UInt16
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var pid: UInt32 {
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get {
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return UInt32(pidLow) + UInt32(pidHigh) << 16
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}
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set {
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pidLow = UInt16(newValue & 0xffff)
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pidHigh = UInt16(newValue >> 16)
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}
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}
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init(command: CommandsV1, ntStatus: UInt32 = 0, flags: FlagsV1, flags2: Flags2V1 = [.LONG_NAMES, .ERR_STATUS, .UNICODE], securityKey: UInt32 = 0, securityCID: UInt16 = 0, securitySequenceNumber: UInt16 = 0, treeId: UInt16, pid: UInt32, userId: UInt16, multiplexId: UInt16) {
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self.protocolID = HeaderV1.protocolConst
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self._command = command.rawValue
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self._status1 = UInt8(ntStatus & 0xff)
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self._status2 = UInt8(ntStatus >> 8 & 0xff)
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self._status3 = UInt8(ntStatus >> 16 & 0xff)
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self._status4 = UInt8(ntStatus >> 24 & 0xff)
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self.flags = flags
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self.flags2 = flags2
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self._securityKeyHi = UInt16(securityKey >> 16)
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self._securityKeyLo = UInt16(securityKey & 0xffff)
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self.securityCID = securityCID
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self.securitySequenceNumber = securitySequenceNumber
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self.ununsed = 0
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self.treeId = treeId
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self.pidLow = UInt16(pid & 0xffff)
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self.pidHigh = UInt16(pid >> 16)
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self.userId = userId
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self.multiplexId = multiplexId
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}
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}
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struct FlagsV1: OptionSetType {
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let rawValue: UInt8
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init(rawValue: UInt8) {
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self.rawValue = rawValue
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}
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/* This bit is set (1) in the NEGOTIATE (0x72) Response if the server supports
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* LOCK_AND_READ (0x13) and WRITE_AND_UNLOCK (0x14) commands. */
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static let LOCK_AND_READ_OK = FlagsV1(rawValue: 0x01)
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static let BUF_AVAIL = FlagsV1(rawValue: 0x02)
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static let CASE_INSENSITIVE = FlagsV1(rawValue: 0x08)
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static let CANONICALIZED_PATHS = FlagsV1(rawValue: 0x10)
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static let OPLOCK = FlagsV1(rawValue: 0x20)
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static let OPBATCH = FlagsV1(rawValue: 0x40)
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/* When on, this message is being sent from the server in response to a client request. */
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static let REPLY = FlagsV1(rawValue: 0x80)
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}
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struct Flags2V1: OptionSetType {
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let rawValue: UInt16
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init(rawValue: UInt16) {
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self.rawValue = rawValue
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}
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/* Client: the message MAY contain long file names. */
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static let LONG_NAMES = Flags2V1(rawValue: 0x0001)
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/* Client: the client is aware of extended attributes (EAs). */
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static let EAS = Flags2V1(rawValue: 0x0002)
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/* Client: the client is requesting signing (if signing is not yet active) or the message
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* being sent is signed. This bit is used on the SMB header of an SESSION_SETUP_ANDX */
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static let SMB_SECURITY_SIGNATURE = Flags2V1(rawValue: 0x0004)
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// Reserved but not implemented.
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static let IS_LONG_NAME = Flags2V1(rawValue: 0x0040)
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/* client aware of Extended Security negotiation */
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static let EXT_SEC = Flags2V1(rawValue: 0x0800)
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/* any pathnames in this SMB SHOULD be resolved in the Distributed File System (DFS) */
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static let DFS = Flags2V1(rawValue: 0x1000)
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/*
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* This flag is useful only on a read request. If the bit is set, then the client MAY read
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* the file if the client does not have read permission but does have execute permission. */
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static let PAGING_IO = Flags2V1(rawValue: 0x2000) // READ_IF_EXECUTE
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/*
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* Client: the server MUST return errors as 32-bit NTSTATUS codes in the response
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* Server: the Status field in the header is formatted as an NTSTATUS cod */
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static let ERR_STATUS = Flags2V1(rawValue: 0x4000)
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/*
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* Each field that contains a string in this SMB message MUST be encoded
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* as an array of 16-bit Unicode characters */
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static let UNICODE = Flags2V1(rawValue: 0x8000)
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}
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enum CommandsV1: UInt8 {
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case CREATE_DIRECTORY = 0x00
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case DELETE_DIRECTORY = 0x01
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case OPEN = 0x02
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case CREATE = 0x03
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case CLOSE = 0x04
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case FLUSH = 0x05
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case DELETE = 0x06
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case RENAME = 0x07
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case QUERY_INFORMATION = 0x08
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case SET_INFORMATION = 0x09
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case READ = 0x0A
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case WRITE = 0x0B
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case LOCK_BYTE_RANGE = 0x0C
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case UNLOCK_BYTE_RANGE = 0x0D
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case CREATE_TEMPORARY = 0x0E
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case CREATE_NEW = 0x0F
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case CHECK_DIRECTORY = 0x10
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case PROCESS_EXIT = 0x11
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case SEEK = 0x12
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case LOCK_AND_READ = 0x13
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case WRITE_AND_UNLOCK = 0x14
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case READ_RAW = 0x1A
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case READ_MPX = 0x1B
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case READ_MPX_SECONDARY = 0x1C
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case WRITE_RAW = 0x1D
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case WRITE_MPX = 0x1E
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case WRITE_COMPLETE = 0x20
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case SET_INFORMATION2 = 0x22
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case QUERY_INFORMATION2 = 0x23
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case LOCKING_ANDX = 0x24
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case TRANSACTION = 0x25
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case TRANSACTION_SECONDARY = 0x26
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case IOCTL = 0x27
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case IOCTL_SECONDARY = 0x28
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case COPY = 0x29
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case MOVE = 0x2A
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case ECHO = 0x2B
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case WRITE_AND_CLOSE = 0x2C
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case OPEN_ANDX = 0x2D
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case READ_ANDX = 0x2E
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case WRITE_ANDX = 0x2F
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case CLOSE_AND_TREE_DISC = 0x31
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case TRANSACTION2 = 0x32
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case TRANSACTION2_SECONDARY = 0x33
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case FIND_CLOSE2 = 0x34
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case FIND_NOTIFY_CLOSE = 0x35
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case TREE_CONNECT = 0x70
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case TREE_DISCONNECT = 0x71
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case NEGOTIATE = 0x72
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case SESSION_SETUP_ANDX = 0x73
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case LOGOFF_ANDX = 0x74
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case TREE_CONNECT_ANDX = 0x75
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case QUERY_INFORMATION_DISK = 0x80
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case SEARCH = 0x81
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case FIND = 0x82
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case FIND_UNIQUE = 0x83
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case NT_TRANSACT = 0xA0
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case NT_TRANSACT_SECONDARY = 0xA1
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case NT_CREATE_ANDX = 0xA2
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case NT_CANCEL = 0xA4
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case OPEN_PRINT_FILE = 0xC0
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case WRITE_PRINT_FILE = 0xC1
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case CLOSE_PRINT_FILE = 0xC2
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case GET_PRINT_QUEUE = 0xC3
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case READ_BULK = 0xD8
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case WRITE_BULK = 0xD9
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case WRITE_BULK_DATA = 0xDA
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case INVALID = 0xFE
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}
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}
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// SMB2 Types
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extension SMBFileProvider {
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struct HeaderV2: FileProviderSMBHeader { // 64 bytes
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// header is always \u{fe}SMB
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var protocolID: UInt32
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static let protocolConst: UInt32 = 0x424d53fe
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var structSize: UInt16
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var creditCharge: UInt16
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// error messages from the server to the client
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var status: UInt32
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enum StatusSeverity: UInt8 {
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case Success = 0, Information, Warning, Error
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}
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var statusDetails: (severity: StatusSeverity, customer: Bool, facility: UInt16, code: UInt16) {
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let severity = StatusSeverity(rawValue: UInt8(status >> 30))!
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return (severity, status & 0x20000000 != 0, UInt16((status & 0x0FFF0000) >> 16), UInt16(status & 0x0000FFFF))
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}
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private var _command: UInt16
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var command: CommandsV2 {
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get {
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return CommandsV2(rawValue: _command) ?? .INVALID
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}
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set {
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_command = newValue.rawValue
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}
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}
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var creditRequestResponse: UInt16
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var flags: FlagsV2
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var nextCommand: UInt32
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var messageId: UInt64
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private var reserved: UInt32
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var treeId: UInt32
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var asyncId: UInt64 {
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get {
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return UInt64(reserved) + (UInt64(treeId) << 32)
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}
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set {
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reserved = UInt32(newValue & 0xffffffff)
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treeId = UInt32(newValue >> 32)
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}
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}
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var sessionId: UInt64
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var signatureLo: UInt64
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var signatureHi: UInt64
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init(command: CommandsV2, status: NTStatus = .SUCCESS, creditCharge: UInt16 = 0, creditRequestResponse: UInt16, flags: FlagsV2 = [], nextCommand: UInt32 = 0, messageId: UInt64, treeId: UInt32, sessionId: UInt64,signatureLo: UInt64 = 0, signatureHi: UInt64 = 0) {
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self.protocolID = self.dynamicType.protocolConst
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self.structSize = 64
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self.status = status.rawValue
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self._command = command.rawValue
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self.creditCharge = creditCharge
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self.creditRequestResponse = creditRequestResponse
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self.flags = flags
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self.nextCommand = nextCommand
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self.messageId = messageId
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self.reserved = 0
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self.treeId = treeId
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self.sessionId = sessionId
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self.signatureLo = signatureLo
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self.signatureHi = signatureHi
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}
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init(asyncCommand: CommandsV2, status: NTStatus = .SUCCESS, creditCharge: UInt16, creditRequestResponse: UInt16, flags: FlagsV2, nextCommand: UInt32 = 0, messageId: UInt64, asyncId: UInt64, sessionId: UInt64,signatureLo: UInt64, signatureHi: UInt64) {
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self.protocolID = self.dynamicType.protocolConst
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self.structSize = 64
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self.status = status.rawValue
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self._command = asyncCommand.rawValue
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self.creditCharge = creditCharge
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self.creditRequestResponse = creditRequestResponse
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self.flags = flags.union([FlagsV2.ASYNC_COMMAND])
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self.nextCommand = nextCommand
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self.messageId = messageId
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self.reserved = 0
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reserved = UInt32(asyncId & 0xffffffff)
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treeId = UInt32(asyncId >> 32)
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self.sessionId = sessionId
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self.signatureLo = signatureLo
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self.signatureHi = signatureHi
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}
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}
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struct FlagsV2: OptionSetType {
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var rawValue: UInt32
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init(rawValue: UInt32) {
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self.rawValue = rawValue
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}
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var priorityMask: UInt8 {
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get {
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return UInt8((rawValue & FlagsV2.PRIORITY_MASK.rawValue) >> 4)
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}
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set {
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rawValue = (rawValue & 0xffffff8f) | (UInt32(newValue & 0x7) << 4)
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}
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}
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static let SERVER_TO_REDIR = FlagsV2(rawValue: 0x00000001)
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static let ASYNC_COMMAND = FlagsV2(rawValue: 0x00000002)
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static let RELATED_OPERATIONS = FlagsV2(rawValue: 0x00000004)
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static let SIGNED = FlagsV2(rawValue: 0x00000008)
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private static let PRIORITY_MASK = FlagsV2(rawValue: 0x00000070)
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static let DFS_OPERATIONS = FlagsV2(rawValue: 0x10000000)
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static let REPLAY_OPERATION = FlagsV2(rawValue: 0x20000000)
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}
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|
||||
enum CommandsV2: UInt16 {
|
||||
case NEGOTIATE = 0x0000
|
||||
case SESSION_SETUP = 0x0001
|
||||
case LOGOFF = 0x0002
|
||||
case TREE_CONNECT = 0x0003
|
||||
case TREE_DISCONNECT = 0x0004
|
||||
case CREATE = 0x0005
|
||||
case CLOSE = 0x0006
|
||||
case FLUSH = 0x0007
|
||||
case READ = 0x0008
|
||||
case WRITE = 0x0009
|
||||
case LOCK = 0x000A
|
||||
case IOCTL = 0x000B
|
||||
case CANCEL = 0x000C
|
||||
case ECHO = 0x000D
|
||||
case QUERY_DIRECTORY = 0x000E
|
||||
case CHANGE_NOTIFY = 0x000F
|
||||
case QUERY_INFO = 0x0010
|
||||
case SET_INFO = 0x0011
|
||||
case OPLOCK_BREAK = 0x0012
|
||||
case INVALID = 0xFFFF
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Error Types and Description
|
||||
extension SMBFileProvider {
|
||||
enum NTStatus: UInt32, ErrorType, CustomStringConvertible {
|
||||
case SUCCESS = 0x00000000
|
||||
case NOT_IMPLEMENTED = 0xC0000002
|
||||
case INVALID_DEVICE_REQUEST = 0xC0000010
|
||||
case ILLEGAL_FUNCTION = 0xC00000AF
|
||||
case NO_SUCH_FILE = 0xC000000F
|
||||
case NO_SUCH_DEVICE = 0xC000000E
|
||||
case OBJECT_NAME_NOT_FOUND = 0xC0000034
|
||||
case OBJECT_PATH_INVALID = 0xC0000039
|
||||
case OBJECT_PATH_NOT_FOUND = 0xC000003A
|
||||
case OBJECT_PATH_SYNTAX_BAD = 0xC000003B
|
||||
case DFS_EXIT_PATH_FOUND = 0xC000009B
|
||||
case REDIRECTOR_NOT_STARTED = 0xC00000FB
|
||||
case TOO_MANY_OPENED_FILES = 0xC000011F
|
||||
case ACCESS_DENIED = 0xC0000022
|
||||
case INVALID_LOCK_SEQUENCE = 0xC000001E
|
||||
case INVALID_VIEW_SIZE = 0xC000001F
|
||||
case ALREADY_COMMITTED = 0xC0000021
|
||||
case PORT_CONNECTION_REFUSED = 0xC0000041
|
||||
case THREAD_IS_TERMINATING = 0xC000004B
|
||||
case DELETE_PENDING = 0xC0000056
|
||||
case PRIVILEGE_NOT_HELD = 0xC0000061
|
||||
case LOGON_FAILURE = 0xC000006D
|
||||
case FILE_IS_A_DIRECTORY = 0xC00000BA
|
||||
case FILE_RENAMED = 0xC00000D5
|
||||
case PROCESS_IS_TERMINATING = 0xC000010A
|
||||
case DIRECTORY_NOT_EMPTY = 0xC0000101
|
||||
case CANNOT_DELETE = 0xC0000121
|
||||
case FILE_NOT_AVAILABLE = 0xC0000467
|
||||
case FILE_DELETED = 0xC0000123
|
||||
case SMB_BAD_FID = 0x00060001
|
||||
case INVALID_HANDLE = 0xC0000008
|
||||
case OBJECT_TYPE_MISMATCH = 0xC0000024
|
||||
case PORT_DISCONNECTED = 0xC0000037
|
||||
case INVALID_PORT_HANDLE = 0xC0000042
|
||||
case FILE_CLOSED = 0xC0000128
|
||||
case HANDLE_NOT_CLOSABLE = 0xC0000235
|
||||
case SECTION_TOO_BIG = 0xC0000040
|
||||
case TOO_MANY_PAGING_FILES = 0xC0000097
|
||||
case INSUFF_SERVER_RESOURCES = 0xC0000205
|
||||
case OS2_INVALID_ACCESS = 0x000C0001
|
||||
case ACCESS_DENIED_2 = 0xC00000CA
|
||||
case DATA_ERROR = 0xC000009C
|
||||
case NOT_SAME_DEVICE = 0xC00000D4
|
||||
case NO_MORE_FILES = 0x80000006
|
||||
case NO_MORE_ENTRIES = 0x8000001A
|
||||
case UNSUCCESSFUL = 0xC0000001
|
||||
case SHARING_VIOLATION = 0xC0000043
|
||||
case FILE_LOCK_CONFLICT = 0xC0000054
|
||||
case LOCK_NOT_GRANTED = 0xC0000055
|
||||
case END_OF_FILE = 0xC0000011
|
||||
case NOT_SUPPORTED = 0xC00000BB
|
||||
case OBJECT_NAME_COLLISION = 0xC0000035
|
||||
case INVALID_PARAMETER = 0xC000000D
|
||||
case OS2_INVALID_LEVEL = 0x007C0001
|
||||
case OS2_NEGATIVE_SEEK = 0x00830001
|
||||
case RANGE_NOT_LOCKED = 0xC000007E
|
||||
case OS2_NO_MORE_SIDS = 0x00710001
|
||||
case OS2_CANCEL_VIOLATION = 0x00AD0001
|
||||
case OS2_ATOMIC_LOCKS_NOT_SUPPORTED = 0x00AE0001
|
||||
case INVALID_INFO_CLASS = 0xC0000003
|
||||
case INVALID_PIPE_STATE = 0xC00000AD
|
||||
case INVALID_READ_MODE = 0xC00000B4
|
||||
case OS2_CANNOT_COPY = 0x010A0001
|
||||
case STOPPED_ON_SYMLINK = 0x8000002D
|
||||
case INSTANCE_NOT_AVAILABLE = 0xC00000AB
|
||||
case PIPE_NOT_AVAILABLE = 0xC00000AC
|
||||
case PIPE_BUSY = 0xC00000AE
|
||||
case PIPE_CLOSING = 0xC00000B1
|
||||
case PIPE_EMPTY = 0xC00000D9
|
||||
case PIPE_DISCONNECTED = 0xC00000B0
|
||||
case BUFFER_OVERFLOW = 0x80000005
|
||||
case MORE_PROCESSING_REQUIRED = 0xC0000016
|
||||
case EA_TOO_LARGE = 0xC0000050
|
||||
case OS2_EAS_DIDNT_FIT = 0x01130001
|
||||
case EAS_NOT_SUPPORTED = 0xC000004F
|
||||
case EA_LIST_INCONSISTENT = 0x80000014
|
||||
case OS2_EA_ACCESS_DENIED = 0x03E20001
|
||||
case NOTIFY_ENUM_DIR = 0x0000010C
|
||||
case INVALID_SMB = 0x00010002
|
||||
case WRONG_PASSWORD = 0xC000006A
|
||||
case PATH_NOT_COVERED = 0xC0000257
|
||||
case NETWORK_NAME_DELETED = 0xC00000C9
|
||||
case SMB_BAD_TID = 0x00050002
|
||||
case BAD_NETWORK_NAME = 0xC00000CC
|
||||
case BAD_DEVICE_TYPE = 0xC00000CB
|
||||
case SMB_BAD_COMMAND = 0x00160002
|
||||
case PRINT_QUEUE_FULL = 0xC00000C6
|
||||
case NO_SPOOL_SPACE = 0xC00000C7
|
||||
case PRINT_CANCELLED = 0xC00000C8
|
||||
case UNEXPECTED_NETWORK_ERROR = 0xC00000C4
|
||||
case IO_TIMEOUT = 0xC00000B5
|
||||
case REQUEST_NOT_ACCEPTED = 0xC00000D0
|
||||
case TOO_MANY_SESSIONS = 0xC00000CE
|
||||
case SMB_BAD_UID = 0x005B0002
|
||||
case SMB_USE_MPX = 0x00FA0002
|
||||
case SMB_USE_STANDARD = 0x00FB0002
|
||||
case SMB_CONTINUE_MPX = 0x00FC0002
|
||||
case ACCOUNT_DISABLED = 0xC0000072
|
||||
case ACCOUNT_EXPIRED = 0xC0000193
|
||||
case INVALID_WORKSTATION = 0xC0000070
|
||||
case INVALID_LOGON_HOURS = 0xC000006F
|
||||
case PASSWORD_EXPIRED = 0xC0000071
|
||||
case PASSWORD_MUST_CHANGE = 0xC0000224
|
||||
case SMB_NO_SUPPORT = 0xFFFF0002
|
||||
case MEDIA_WRITE_PROTECTED = 0xC00000A2
|
||||
case NO_MEDIA_IN_DEVICE = 0xC0000013
|
||||
case INVALID_DEVICE_STATE = 0xC0000184
|
||||
case DATA_ERROR_2 = 0xC000003E
|
||||
case CRC_ERROR = 0xC000003F
|
||||
case DISK_CORRUPT_ERROR = 0xC0000032
|
||||
case NONEXISTENT_SECTOR = 0xC0000015
|
||||
case DEVICE_PAPER_EMPTY = 0x8000000E
|
||||
case WRONG_VOLUME = 0xC0000012
|
||||
case DISK_FULL = 0xC000007F
|
||||
|
||||
|
||||
var description: String {
|
||||
switch self {
|
||||
case NOT_IMPLEMENTED, INVALID_DEVICE_REQUEST, ILLEGAL_FUNCTION:
|
||||
return "Invalid Function."
|
||||
case NO_SUCH_FILE, NO_SUCH_DEVICE, OBJECT_NAME_NOT_FOUND:
|
||||
return "File not found."
|
||||
case OBJECT_PATH_INVALID, OBJECT_PATH_NOT_FOUND, OBJECT_PATH_SYNTAX_BAD, DFS_EXIT_PATH_FOUND, REDIRECTOR_NOT_STARTED:
|
||||
return "A component in the path prefix is not a directory."
|
||||
case TOO_MANY_OPENED_FILES:
|
||||
return "Too many open files. No FIDs are available."
|
||||
case ACCESS_DENIED, INVALID_LOCK_SEQUENCE, INVALID_VIEW_SIZE, ALREADY_COMMITTED, PORT_CONNECTION_REFUSED, THREAD_IS_TERMINATING, DELETE_PENDING, PRIVILEGE_NOT_HELD, LOGON_FAILURE, FILE_IS_A_DIRECTORY, FILE_RENAMED, PROCESS_IS_TERMINATING, CANNOT_DELETE, FILE_DELETED:
|
||||
return "Access denied."
|
||||
case SMB_BAD_FID, INVALID_HANDLE, OBJECT_TYPE_MISMATCH, PORT_DISCONNECTED, INVALID_PORT_HANDLE, FILE_CLOSED, HANDLE_NOT_CLOSABLE:
|
||||
return "Invalid FID."
|
||||
case SECTION_TOO_BIG, TOO_MANY_PAGING_FILES, INSUFF_SERVER_RESOURCES:
|
||||
return "Insufficient server memory to perform the requested operation."
|
||||
case OS2_INVALID_ACCESS:
|
||||
return "Invalid open mode."
|
||||
case DATA_ERROR:
|
||||
return "Bad data. (May be generated by IOCTL calls on the server.)"
|
||||
case DIRECTORY_NOT_EMPTY:
|
||||
return "Remove of directory failed because it was not empty."
|
||||
case NOT_SAME_DEVICE:
|
||||
return "A file system operation (such as a rename) across two devices was attempted."
|
||||
case NO_MORE_FILES:
|
||||
return "No (more) files found following a file search command."
|
||||
case UNSUCCESSFUL:
|
||||
return "General error."
|
||||
case SHARING_VIOLATION:
|
||||
return "Sharing violation. A requested open mode conflicts with the sharing mode of an existing file handle."
|
||||
case FILE_LOCK_CONFLICT, LOCK_NOT_GRANTED:
|
||||
return "A lock request specified an invalid locking mode, or conflicted with an existing file lock."
|
||||
case END_OF_FILE:
|
||||
return "Attempted to read beyond the end of the file."
|
||||
case NOT_SUPPORTED:
|
||||
return "This command is not supported by the server."
|
||||
case OBJECT_NAME_COLLISION:
|
||||
return "An attempt to create a file or directory failed because an object with the same pathname already exists."
|
||||
case INVALID_PARAMETER:
|
||||
return "A parameter supplied with the message is invalid."
|
||||
case OS2_INVALID_LEVEL:
|
||||
return "Invalid information level."
|
||||
case OS2_NEGATIVE_SEEK:
|
||||
return "An attempt was made to seek to a negative absolute offset within a file."
|
||||
case RANGE_NOT_LOCKED:
|
||||
return "The byte range specified in an unlock request was not locked."
|
||||
case OS2_NO_MORE_SIDS:
|
||||
return "Maximum number of searches has been exhausted."
|
||||
case OS2_CANCEL_VIOLATION:
|
||||
return "No lock request was outstanding for the supplied cancel region."
|
||||
case OS2_ATOMIC_LOCKS_NOT_SUPPORTED:
|
||||
return "The file system does not support atomic changes to the lock type."
|
||||
case INVALID_INFO_CLASS, INVALID_PIPE_STATE, INVALID_READ_MODE:
|
||||
return "Invalid named pipe."
|
||||
case OS2_CANNOT_COPY:
|
||||
return "The copy functions cannot be used."
|
||||
case INSTANCE_NOT_AVAILABLE, PIPE_NOT_AVAILABLE, PIPE_BUSY:
|
||||
return "All instances of the designated named pipe are busy."
|
||||
case PIPE_CLOSING, PIPE_EMPTY:
|
||||
return "The designated named pipe is in the process of being closed."
|
||||
case PIPE_DISCONNECTED:
|
||||
return "The designated named pipe exists, but there is no server process listening on the server side."
|
||||
case BUFFER_OVERFLOW, MORE_PROCESSING_REQUIRED:
|
||||
return "There is more data available to read on the designated named pipe."
|
||||
case EA_TOO_LARGE, OS2_EAS_DIDNT_FIT:
|
||||
return "Either there are no extended attributes, or the available extended attributes did not fit into the response."
|
||||
case EAS_NOT_SUPPORTED:
|
||||
return "The server file system does not support Extended Attributes."
|
||||
case OS2_EA_ACCESS_DENIED:
|
||||
return "Access to the extended attribute was denied."
|
||||
default:
|
||||
return ""
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,831 @@
|
||||
//
|
||||
// SMBTransmitter.swift
|
||||
// ExtDownloader
|
||||
//
|
||||
// Created by Amir Abbas Mousavian on 4/10/95.
|
||||
// Copyright © 1395 Mousavian. All rights reserved.
|
||||
//
|
||||
|
||||
import Foundation
|
||||
|
||||
class SMBProtocolTransmitter: TCPSocketTransmitter {
|
||||
class func digestSMBMessage(data: NSData) throws -> (header: FileProviderSMBHeader, blocks: [(params: [UInt16], message: NSData?)]) {
|
||||
guard data.length > 30 else {
|
||||
throw NSURLError.BadServerResponse
|
||||
}
|
||||
var buffer = [UInt8](count: data.length, repeatedValue: 0)
|
||||
data.getBytes(&buffer, length: data.length)
|
||||
let smbver = buffer[0] == 0xff ? 1 : (buffer[0] == 0xfe ? 2 : 0)
|
||||
guard smbver > 0 else {
|
||||
throw SMBFileProviderError.BadHeader
|
||||
}
|
||||
let headersize = smbver == 2 ? sizeof(SMB2.Header.self) : sizeof(SMB1.Header.self)
|
||||
var rawHeader = buffer[0..<headersize]
|
||||
let headerData = NSData(bytesNoCopy: &rawHeader, length: headersize)
|
||||
let header: FileProviderSMBHeader = decode(headerData)
|
||||
if header.protocolID == SMB1.Header.protocolConst {
|
||||
var blocks = [(params: [UInt16], message: NSData?)]()
|
||||
var offset = headersize
|
||||
while offset < data.length {
|
||||
let paramWords: [UInt16]
|
||||
if header.protocolID == SMB1.Header.protocolConst {
|
||||
let paramWordsCount = Int(buffer[offset])
|
||||
guard data.length > (paramWordsCount * 2 + offset) else {
|
||||
throw SMBFileProviderError.IncorrectParamsLength
|
||||
}
|
||||
offset += sizeof(UInt8)
|
||||
var rawParamWords = [UInt8](buffer[offset..<(offset + paramWordsCount * 2)])
|
||||
let paramData = NSData(bytesNoCopy: &rawParamWords, length: rawParamWords.count)
|
||||
paramWords = decode(paramData)
|
||||
offset += paramWordsCount * 2
|
||||
} else {
|
||||
paramWords = []
|
||||
}
|
||||
let messageBytesCountLittleEndian = [UInt8](buffer[offset...(offset + 1)])
|
||||
let messageBytesCount = Int(UnsafePointer<UInt16>(messageBytesCountLittleEndian).memory)
|
||||
offset += sizeof(UInt16)
|
||||
guard data.length >= (offset + messageBytesCount) else {
|
||||
throw SMBFileProviderError.IncorrectMessageLength
|
||||
}
|
||||
var rawMessage = [UInt8](buffer[offset..<(offset + messageBytesCount)])
|
||||
offset += messageBytesCount
|
||||
let message = NSData(bytes: &rawMessage, length: rawMessage.count)
|
||||
blocks.append((params: paramWords, message: message))
|
||||
}
|
||||
return (header, blocks)
|
||||
|
||||
}
|
||||
throw SMBFileProviderError.BadHeader
|
||||
}
|
||||
|
||||
class func createSMBMessage(header: FileProviderSMBHeader, blocks: [(params: NSData?, message: NSData?)]) -> NSData {
|
||||
var headerv = header
|
||||
let result = NSMutableData(data: encode(&headerv))
|
||||
for block in blocks {
|
||||
if header.protocolID == SMB1.Header.protocolConst {
|
||||
var paramWordsCount = UInt8(block.params?.length ?? 0)
|
||||
result.appendBytes(¶mWordsCount, length: sizeofValue(paramWordsCount))
|
||||
if let params = block.params {
|
||||
result.appendData(params)
|
||||
}
|
||||
}
|
||||
var messageLen = UInt16(block.message?.length ?? 0)
|
||||
result.appendBytes(&messageLen, length: sizeofValue(messageLen))
|
||||
if let message = block.message {
|
||||
result.appendData(message)
|
||||
}
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
func negotiateToSMB2() -> SMB2.NegotiateResponse? {
|
||||
let negHeader = SMB2.Header(command: .NEGOTIATE, creditRequestResponse: 126, messageId: 0, treeId: 0, sessionId: 0)
|
||||
let negMessage = NSData()
|
||||
SMBProtocolTransmitter.createSMBMessage(negHeader, blocks: [(params: nil, message: negMessage)])
|
||||
_ = try? self.send(data: nil)
|
||||
self.waitForResponse()
|
||||
if let response = try? SMBProtocolTransmitter.digestSMBMessage(dataRecieved) where response.blocks.count > 0 {
|
||||
if let message = response.blocks[0].message {
|
||||
return SMB2.NegotiateResponse(data: message)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func sessionSetupForSMB2() {
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
struct SMBTime {
|
||||
var time: UInt64
|
||||
|
||||
init(time: UInt64) {
|
||||
self.time = time
|
||||
}
|
||||
|
||||
init(unixTime: UInt) {
|
||||
self.time = (UInt64(unixTime) + 11644473600) * 10000000
|
||||
}
|
||||
|
||||
init(timeIntervalSince1970: NSTimeInterval) {
|
||||
self.time = UInt64((timeIntervalSince1970 + 11644473600) * 10000000)
|
||||
}
|
||||
|
||||
init(date: NSDate) {
|
||||
self.init(timeIntervalSince1970: date.timeIntervalSince1970)
|
||||
}
|
||||
|
||||
var unixTime: UInt {
|
||||
return UInt(self.time / 10000000) - 11644473600
|
||||
}
|
||||
|
||||
var date: NSDate {
|
||||
return NSDate(timeIntervalSince1970: Double(self.time) / 10000000 - 11644473600)
|
||||
}
|
||||
}
|
||||
|
||||
protocol FileProviderSMBHeader {
|
||||
var protocolID: UInt32 { get set }
|
||||
static var protocolConst: UInt32 { get }
|
||||
}
|
||||
|
||||
// SMB/CIFS Types
|
||||
struct SMB1 {
|
||||
struct Header { // 32 bytes
|
||||
// header is always \u{ff}SMB
|
||||
var protocolID: UInt32
|
||||
static let protocolConst: UInt32 = 0x424d53ff
|
||||
private var _command: UInt8
|
||||
var command: Command {
|
||||
get {
|
||||
return Command(rawValue: _command) ?? .INVALID
|
||||
}
|
||||
set {
|
||||
_command = newValue.rawValue
|
||||
}
|
||||
}
|
||||
// error messages from the server to the client
|
||||
private var _status1: UInt8
|
||||
private var _status2: UInt8
|
||||
private var _status3: UInt8
|
||||
private var _status4: UInt8
|
||||
var error: (Class: UInt8, code: UInt16) {
|
||||
get {
|
||||
return (_status1, UInt16(_status3) + (UInt16(_status4) << 8))
|
||||
}
|
||||
set {
|
||||
_status1 = newValue.Class
|
||||
_status2 = 0
|
||||
_status3 = UInt8(newValue.code & 0xff)
|
||||
_status4 = UInt8(newValue.code >> 8)
|
||||
}
|
||||
}
|
||||
var ntStatus: UInt32 {
|
||||
get {
|
||||
let statusLo = UInt32(_status1) + UInt32(_status2) << 8
|
||||
let statusHi = UInt32(_status3) + UInt32(_status4) << 8
|
||||
return statusHi << 16 + statusLo
|
||||
}
|
||||
set {
|
||||
_status1 = UInt8(newValue & 0xff)
|
||||
_status2 = UInt8(newValue >> 8 & 0xff)
|
||||
_status3 = UInt8(newValue >> 16 & 0xff)
|
||||
_status4 = UInt8(newValue >> 24 & 0xff)
|
||||
}
|
||||
}
|
||||
var flags: Flags
|
||||
var flags2: Flags2
|
||||
var pidHigh: UInt16
|
||||
// encryption key used for validating messages over connectionless transports
|
||||
private var _securityKeyLo: UInt16
|
||||
private var _securityKeyHi: UInt16
|
||||
var securityKey: UInt32 {
|
||||
get {
|
||||
return UInt32(_securityKeyHi) << 16 + UInt32(_securityKeyLo)
|
||||
}
|
||||
set {
|
||||
_securityKeyHi = UInt16(newValue >> 16)
|
||||
_securityKeyLo = UInt16(newValue & 0xffff)
|
||||
}
|
||||
}
|
||||
// connection identifier
|
||||
var securityCID: UInt16
|
||||
// identifier of the sequence of a message over connectionless transports
|
||||
var securitySequenceNumber: UInt16
|
||||
private var ununsed: UInt16
|
||||
var treeId: UInt16
|
||||
var pidLow: UInt16
|
||||
var userId: UInt16
|
||||
var multiplexId: UInt16
|
||||
var pid: UInt32 {
|
||||
get {
|
||||
return UInt32(pidLow) + UInt32(pidHigh) << 16
|
||||
}
|
||||
set {
|
||||
pidLow = UInt16(newValue & 0xffff)
|
||||
pidHigh = UInt16(newValue >> 16)
|
||||
}
|
||||
}
|
||||
|
||||
init(command: Command, ntStatus: UInt32 = 0, flags: Flags, flags2: Flags2 = [.LONG_NAMES, .ERR_STATUS, .UNICODE], securityKey: UInt32 = 0, securityCID: UInt16 = 0, securitySequenceNumber: UInt16 = 0, treeId: UInt16, pid: UInt32, userId: UInt16, multiplexId: UInt16) {
|
||||
self.protocolID = Header.protocolConst
|
||||
self._command = command.rawValue
|
||||
self._status1 = UInt8(ntStatus & 0xff)
|
||||
self._status2 = UInt8(ntStatus >> 8 & 0xff)
|
||||
self._status3 = UInt8(ntStatus >> 16 & 0xff)
|
||||
self._status4 = UInt8(ntStatus >> 24 & 0xff)
|
||||
self.flags = flags
|
||||
self.flags2 = flags2
|
||||
self._securityKeyHi = UInt16(securityKey >> 16)
|
||||
self._securityKeyLo = UInt16(securityKey & 0xffff)
|
||||
self.securityCID = securityCID
|
||||
self.securitySequenceNumber = securitySequenceNumber
|
||||
self.ununsed = 0
|
||||
self.treeId = treeId
|
||||
self.pidLow = UInt16(pid & 0xffff)
|
||||
self.pidHigh = UInt16(pid >> 16)
|
||||
self.userId = userId
|
||||
self.multiplexId = multiplexId
|
||||
}
|
||||
}
|
||||
|
||||
struct Flags: OptionSetType {
|
||||
let rawValue: UInt8
|
||||
|
||||
init(rawValue: UInt8) {
|
||||
self.rawValue = rawValue
|
||||
}
|
||||
/* This bit is set (1) in the NEGOTIATE (0x72) Response if the server supports
|
||||
* LOCK_AND_READ (0x13) and WRITE_AND_UNLOCK (0x14) commands. */
|
||||
static let LOCK_AND_READ_OK = Flags(rawValue: 0x01)
|
||||
static let BUF_AVAIL = Flags(rawValue: 0x02)
|
||||
static let CASE_INSENSITIVE = Flags(rawValue: 0x08)
|
||||
static let CANONICALIZED_PATHS = Flags(rawValue: 0x10)
|
||||
static let OPLOCK = Flags(rawValue: 0x20)
|
||||
static let OPBATCH = Flags(rawValue: 0x40)
|
||||
/* When on, this message is being sent from the server in response to a client request. */
|
||||
static let REPLY = Flags(rawValue: 0x80)
|
||||
}
|
||||
|
||||
struct Flags2: OptionSetType {
|
||||
let rawValue: UInt16
|
||||
|
||||
init(rawValue: UInt16) {
|
||||
self.rawValue = rawValue
|
||||
}
|
||||
/* Client: the message MAY contain long file names. */
|
||||
static let LONG_NAMES = Flags2(rawValue: 0x0001)
|
||||
/* Client: the client is aware of extended attributes (EAs). */
|
||||
static let EAS = Flags2(rawValue: 0x0002)
|
||||
/* Client: the client is requesting signing (if signing is not yet active) or the message
|
||||
* being sent is signed. This bit is used on the SMB header of an SESSION_SETUP_ANDX */
|
||||
static let SMB_SECURITY_SIGNATURE = Flags2(rawValue: 0x0004)
|
||||
// Reserved but not implemented.
|
||||
static let IS_LONG_NAME = Flags2(rawValue: 0x0040)
|
||||
/* client aware of Extended Security negotiation */
|
||||
static let EXT_SEC = Flags2(rawValue: 0x0800)
|
||||
/* any pathnames in this SMB SHOULD be resolved in the Distributed File System (DFS) */
|
||||
static let DFS = Flags2(rawValue: 0x1000)
|
||||
/*
|
||||
* This flag is useful only on a read request. If the bit is set, then the client MAY read
|
||||
* the file if the client does not have read permission but does have execute permission. */
|
||||
static let PAGING_IO = Flags2(rawValue: 0x2000) // READ_IF_EXECUTE
|
||||
/*
|
||||
* Client: the server MUST return errors as 32-bit NTSTATUS codes in the response
|
||||
* Server: the Status field in the header is formatted as an NTSTATUS cod */
|
||||
static let ERR_STATUS = Flags2(rawValue: 0x4000)
|
||||
/*
|
||||
* Each field that contains a string in this SMB message MUST be encoded
|
||||
* as an array of 16-bit Unicode characters */
|
||||
static let UNICODE = Flags2(rawValue: 0x8000)
|
||||
}
|
||||
|
||||
enum Command: UInt8 {
|
||||
case CREATE_DIRECTORY = 0x00
|
||||
case DELETE_DIRECTORY = 0x01
|
||||
case OPEN = 0x02
|
||||
case CREATE = 0x03
|
||||
case CLOSE = 0x04
|
||||
case FLUSH = 0x05
|
||||
case DELETE = 0x06
|
||||
case RENAME = 0x07
|
||||
case QUERY_INFORMATION = 0x08
|
||||
case SET_INFORMATION = 0x09
|
||||
case READ = 0x0A
|
||||
case WRITE = 0x0B
|
||||
case LOCK_BYTE_RANGE = 0x0C
|
||||
case UNLOCK_BYTE_RANGE = 0x0D
|
||||
case CREATE_TEMPORARY = 0x0E
|
||||
case CREATE_NEW = 0x0F
|
||||
case CHECK_DIRECTORY = 0x10
|
||||
case PROCESS_EXIT = 0x11
|
||||
case SEEK = 0x12
|
||||
case LOCK_AND_READ = 0x13
|
||||
case WRITE_AND_UNLOCK = 0x14
|
||||
case READ_RAW = 0x1A
|
||||
case READ_MPX = 0x1B
|
||||
case READ_MPX_SECONDARY = 0x1C
|
||||
case WRITE_RAW = 0x1D
|
||||
case WRITE_MPX = 0x1E
|
||||
case WRITE_COMPLETE = 0x20
|
||||
case SET_INFORMATION2 = 0x22
|
||||
case QUERY_INFORMATION2 = 0x23
|
||||
case LOCKING_ANDX = 0x24
|
||||
case TRANSACTION = 0x25
|
||||
case TRANSACTION_SECONDARY = 0x26
|
||||
case IOCTL = 0x27
|
||||
case IOCTL_SECONDARY = 0x28
|
||||
case COPY = 0x29
|
||||
case MOVE = 0x2A
|
||||
case ECHO = 0x2B
|
||||
case WRITE_AND_CLOSE = 0x2C
|
||||
case OPEN_ANDX = 0x2D
|
||||
case READ_ANDX = 0x2E
|
||||
case WRITE_ANDX = 0x2F
|
||||
case CLOSE_AND_TREE_DISC = 0x31
|
||||
case TRANSACTION2 = 0x32
|
||||
case TRANSACTION2_SECONDARY = 0x33
|
||||
case FIND_CLOSE2 = 0x34
|
||||
case FIND_NOTIFY_CLOSE = 0x35
|
||||
case TREE_CONNECT = 0x70
|
||||
case TREE_DISCONNECT = 0x71
|
||||
case NEGOTIATE = 0x72
|
||||
case SESSION_SETUP_ANDX = 0x73
|
||||
case LOGOFF_ANDX = 0x74
|
||||
case TREE_CONNECT_ANDX = 0x75
|
||||
case QUERY_INFORMATION_DISK = 0x80
|
||||
case SEARCH = 0x81
|
||||
case FIND = 0x82
|
||||
case FIND_UNIQUE = 0x83
|
||||
case NT_TRANSACT = 0xA0
|
||||
case NT_TRANSACT_SECONDARY = 0xA1
|
||||
case NT_CREATE_ANDX = 0xA2
|
||||
case NT_CANCEL = 0xA4
|
||||
case OPEN_PRINT_FILE = 0xC0
|
||||
case WRITE_PRINT_FILE = 0xC1
|
||||
case CLOSE_PRINT_FILE = 0xC2
|
||||
case GET_PRINT_QUEUE = 0xC3
|
||||
case READ_BULK = 0xD8
|
||||
case WRITE_BULK = 0xD9
|
||||
case WRITE_BULK_DATA = 0xDA
|
||||
case INVALID = 0xFE
|
||||
}
|
||||
}
|
||||
|
||||
// SMB2 Types
|
||||
struct SMB2 {
|
||||
struct Header: FileProviderSMBHeader { // 64 bytes
|
||||
// header is always \u{fe}SMB
|
||||
var protocolID: UInt32
|
||||
static let protocolConst: UInt32 = 0x424d53fe
|
||||
var size: UInt16
|
||||
var creditCharge: UInt16
|
||||
// error messages from the server to the client
|
||||
var status: UInt32
|
||||
enum StatusSeverity: UInt8 {
|
||||
case Success = 0, Information, Warning, Error
|
||||
}
|
||||
var statusDetails: (severity: StatusSeverity, customer: Bool, facility: UInt16, code: UInt16) {
|
||||
let severity = StatusSeverity(rawValue: UInt8(status >> 30))!
|
||||
return (severity, status & 0x20000000 != 0, UInt16((status & 0x0FFF0000) >> 16), UInt16(status & 0x0000FFFF))
|
||||
}
|
||||
private var _command: UInt16
|
||||
var command: Command {
|
||||
get {
|
||||
return Command(rawValue: _command) ?? .INVALID
|
||||
}
|
||||
set {
|
||||
_command = newValue.rawValue
|
||||
}
|
||||
}
|
||||
var creditRequestResponse: UInt16
|
||||
var flags: Flags
|
||||
var nextCommand: UInt32
|
||||
var messageId: UInt64
|
||||
private var reserved: UInt32
|
||||
var treeId: UInt32
|
||||
var asyncId: UInt64 {
|
||||
get {
|
||||
return UInt64(reserved) + (UInt64(treeId) << 32)
|
||||
}
|
||||
set {
|
||||
reserved = UInt32(newValue & 0xffffffff)
|
||||
treeId = UInt32(newValue >> 32)
|
||||
}
|
||||
}
|
||||
var sessionId: UInt64
|
||||
var signatureLo: UInt64
|
||||
var signatureHi: UInt64
|
||||
|
||||
init(command: Command, status: NTStatus = .SUCCESS, creditCharge: UInt16 = 0, creditRequestResponse: UInt16, flags: Flags = [], nextCommand: UInt32 = 0, messageId: UInt64, treeId: UInt32, sessionId: UInt64,signatureLo: UInt64 = 0, signatureHi: UInt64 = 0) {
|
||||
self.protocolID = self.dynamicType.protocolConst
|
||||
self.size = 64
|
||||
self.status = status.rawValue
|
||||
self._command = command.rawValue
|
||||
self.creditCharge = creditCharge
|
||||
self.creditRequestResponse = creditRequestResponse
|
||||
self.flags = flags
|
||||
self.nextCommand = nextCommand
|
||||
self.messageId = messageId
|
||||
self.reserved = 0
|
||||
self.treeId = treeId
|
||||
self.sessionId = sessionId
|
||||
self.signatureLo = signatureLo
|
||||
self.signatureHi = signatureHi
|
||||
}
|
||||
|
||||
init(asyncCommand: Command, status: NTStatus = .SUCCESS, creditCharge: UInt16 = 0, creditRequestResponse: UInt16, flags: Flags = [.ASYNC_COMMAND], nextCommand: UInt32 = 0, messageId: UInt64, asyncId: UInt64, sessionId: UInt64,signatureLo: UInt64 = 0, signatureHi: UInt64 = 0) {
|
||||
self.protocolID = self.dynamicType.protocolConst
|
||||
self.size = 64
|
||||
self.status = status.rawValue
|
||||
self._command = asyncCommand.rawValue
|
||||
self.creditCharge = creditCharge
|
||||
self.creditRequestResponse = creditRequestResponse
|
||||
self.flags = flags.union([Flags.ASYNC_COMMAND])
|
||||
self.nextCommand = nextCommand
|
||||
self.messageId = messageId
|
||||
self.reserved = 0
|
||||
reserved = UInt32(asyncId & 0xffffffff)
|
||||
treeId = UInt32(asyncId >> 32)
|
||||
self.sessionId = sessionId
|
||||
self.signatureLo = signatureLo
|
||||
self.signatureHi = signatureHi
|
||||
}
|
||||
}
|
||||
|
||||
struct Flags: OptionSetType {
|
||||
var rawValue: UInt32
|
||||
|
||||
init(rawValue: UInt32) {
|
||||
self.rawValue = rawValue
|
||||
}
|
||||
|
||||
var priorityMask: UInt8 {
|
||||
get {
|
||||
return UInt8((rawValue & Flags.PRIORITY_MASK.rawValue) >> 4)
|
||||
}
|
||||
set {
|
||||
rawValue = (rawValue & 0xffffff8f) | (UInt32(newValue & 0x7) << 4)
|
||||
}
|
||||
}
|
||||
|
||||
static let SERVER_TO_REDIR = Flags(rawValue: 0x00000001)
|
||||
static let ASYNC_COMMAND = Flags(rawValue: 0x00000002)
|
||||
static let RELATED_OPERATIONS = Flags(rawValue: 0x00000004)
|
||||
static let SIGNED = Flags(rawValue: 0x00000008)
|
||||
private static let PRIORITY_MASK = Flags(rawValue: 0x00000070)
|
||||
static let DFS_OPERATIONS = Flags(rawValue: 0x10000000)
|
||||
static let REPLAY_OPERATION = Flags(rawValue: 0x20000000)
|
||||
}
|
||||
|
||||
enum Command: UInt16 {
|
||||
case NEGOTIATE = 0x0000
|
||||
case SESSION_SETUP = 0x0001
|
||||
case LOGOFF = 0x0002
|
||||
case TREE_CONNECT = 0x0003
|
||||
case TREE_DISCONNECT = 0x0004
|
||||
case CREATE = 0x0005
|
||||
case CLOSE = 0x0006
|
||||
case FLUSH = 0x0007
|
||||
case READ = 0x0008
|
||||
case WRITE = 0x0009
|
||||
case LOCK = 0x000A
|
||||
case IOCTL = 0x000B
|
||||
case CANCEL = 0x000C
|
||||
case ECHO = 0x000D
|
||||
case QUERY_DIRECTORY = 0x000E
|
||||
case CHANGE_NOTIFY = 0x000F
|
||||
case QUERY_INFO = 0x0010
|
||||
case SET_INFO = 0x0011
|
||||
case OPLOCK_BREAK = 0x0012
|
||||
case INVALID = 0xFFFF
|
||||
}
|
||||
|
||||
struct NegotiateContextType: OptionSetType {
|
||||
let rawValue: UInt16
|
||||
|
||||
init(rawValue: UInt16) {
|
||||
self.rawValue = rawValue
|
||||
}
|
||||
static let PREAUTH_INTEGRITY_CAPABILITIES = NegotiateContextType(rawValue: 0x0001)
|
||||
static let ENCRYPTION_CAPABILITIES = NegotiateContextType(rawValue: 0x0002)
|
||||
}
|
||||
|
||||
struct NegotiateRequest {
|
||||
let request: NegotiateRequest.Header
|
||||
let dialects: [UInt16]
|
||||
let contexts: [(type: NegotiateContextType, data: NSData)]
|
||||
|
||||
init(request: NegotiateRequest.Header, dialects: [UInt16] = [0x0202], contexts: [(type: NegotiateContextType, data: NSData)] = []) {
|
||||
self.request = request
|
||||
self.dialects = dialects
|
||||
self.contexts = contexts
|
||||
}
|
||||
|
||||
func data() -> NSData {
|
||||
var request = self.request
|
||||
request.dialectCount = UInt16(dialects.count)
|
||||
let dialectData = NSMutableData()
|
||||
for dialect in dialects {
|
||||
var dialect = dialect
|
||||
dialectData.appendBytes(&dialect, length: 2)
|
||||
}
|
||||
let pad = ((1024 - dialectData.length) % 8)
|
||||
dialectData.increaseLengthBy(pad)
|
||||
request.contextOffset = UInt32(sizeof(request.dynamicType.self)) + UInt32(dialectData.length)
|
||||
request.contextCount = UInt16(contexts.count)
|
||||
let contextData = NSMutableData()
|
||||
for context in contexts {
|
||||
var contextType = context.type.rawValue
|
||||
contextData.appendBytes(&contextType, length: 2)
|
||||
var dataLen = UInt16(context.data.length)
|
||||
contextData.increaseLengthBy(4)
|
||||
contextData.appendBytes(&dataLen, length: 2)
|
||||
}
|
||||
let result = NSMutableData(data: encode(&request))
|
||||
result.appendData(dialectData)
|
||||
result.appendData(contextData)
|
||||
return result
|
||||
}
|
||||
|
||||
struct Header {
|
||||
var size: UInt16
|
||||
var dialectCount: UInt16
|
||||
let singing: NegotiateSinging
|
||||
private let reserved: UInt16
|
||||
let capabilities: GlobalCapabilities
|
||||
let guid: uuid_t
|
||||
var contextOffset: UInt32
|
||||
var contextCount: UInt16
|
||||
private let reserved2: UInt16
|
||||
var clientStartTime: SMBTime {
|
||||
let time = UInt64(contextOffset) + (UInt64(contextCount) << 32) + (UInt64(contextCount) << 48)
|
||||
return SMBTime(time: time)
|
||||
}
|
||||
|
||||
init(singing: NegotiateSinging, capabilities: GlobalCapabilities, guid: uuid_t? = nil, clientStartTime: SMBTime? = nil) {
|
||||
self.size = 36
|
||||
self.dialectCount = 0
|
||||
self.singing = [.ENABLED]
|
||||
self.reserved = 0
|
||||
self.capabilities = []
|
||||
self.guid = guid ?? (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
|
||||
if let clientStartTime = clientStartTime {
|
||||
let time = clientStartTime.time
|
||||
self.contextOffset = UInt32(time & 0xffffffff)
|
||||
self.contextCount = UInt16(time & 0x0000ffff00000000 >> 32)
|
||||
self.reserved2 = UInt16(time >> 48)
|
||||
} else {
|
||||
self.contextOffset = 0
|
||||
self.contextCount = 0
|
||||
self.reserved2 = 0
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
struct NegotiateResponse {
|
||||
let header: NegotiateResponse.Header
|
||||
let buffer: NSData?
|
||||
let contexts: [(type: NegotiateContextType, data: NSData)]
|
||||
|
||||
init? (data: NSData) {
|
||||
if data.length < 64 {
|
||||
return nil
|
||||
}
|
||||
let headerData = data.subdataWithRange(NSRange(location: 0, length: sizeof(NegotiateResponse.Header.self)))
|
||||
self.header = decode(headerData)
|
||||
if Int(header.size) != sizeof(NegotiateResponse.Header.self) {
|
||||
return nil
|
||||
}
|
||||
let bufOffset = Int(self.header.bufferOffset)
|
||||
let bufLen = Int(self.header.bufferLength)
|
||||
if bufOffset > 0 && bufLen > 0 && data.length >= bufOffset + bufLen {
|
||||
self.buffer = data.subdataWithRange(NSRange(location: bufOffset, length: bufLen))
|
||||
} else {
|
||||
self.buffer = nil
|
||||
}
|
||||
/*if self.header.contextCount > 0 && self.header.contextOffset > 0 {
|
||||
// TODO: NegotiateResponse context support for SMB3
|
||||
}*/
|
||||
self.contexts = []
|
||||
}
|
||||
|
||||
struct Header {
|
||||
let size: UInt16
|
||||
let singing: NegotiateSinging
|
||||
let dialect: UInt16
|
||||
let contextCount: UInt16
|
||||
let serverGuid: uuid_t
|
||||
let capabilities: GlobalCapabilities
|
||||
let maxTransactSize: UInt32
|
||||
let maxReadSize: UInt32
|
||||
let maxWriteSize: UInt32
|
||||
let systemTime: SMBTime
|
||||
let serverStartTime: SMBTime
|
||||
let bufferOffset: UInt16
|
||||
let bufferLength: UInt16
|
||||
let contextOffset: UInt32
|
||||
}
|
||||
}
|
||||
|
||||
struct NegotiateSinging: OptionSetType {
|
||||
let rawValue: UInt16
|
||||
|
||||
init(rawValue: UInt16) {
|
||||
self.rawValue = rawValue
|
||||
}
|
||||
static let ENABLED = NegotiateSinging(rawValue: 0x0001)
|
||||
static let REQUIRED = NegotiateSinging(rawValue: 0x0002)
|
||||
}
|
||||
|
||||
struct GlobalCapabilities: OptionSetType {
|
||||
let rawValue: UInt32
|
||||
|
||||
init(rawValue: UInt32) {
|
||||
self.rawValue = rawValue
|
||||
}
|
||||
static let DFS = GlobalCapabilities(rawValue: 0x00000001)
|
||||
static let LEASING = GlobalCapabilities(rawValue: 0x00000002)
|
||||
static let LARGE_MTU = GlobalCapabilities(rawValue: 0x00000004)
|
||||
static let MULTI_CHANNEL = GlobalCapabilities(rawValue: 0x00000008)
|
||||
static let PERSISTENT_HANDLES = GlobalCapabilities(rawValue: 0x00000010)
|
||||
static let DIRECTORY_LEASING = GlobalCapabilities(rawValue: 0x00000020)
|
||||
static let ENCRYPTION = GlobalCapabilities(rawValue: 0x00000040)
|
||||
}
|
||||
}
|
||||
|
||||
// Error Types and Description
|
||||
enum NTStatus: UInt32, ErrorType, CustomStringConvertible {
|
||||
case SUCCESS = 0x00000000
|
||||
case NOT_IMPLEMENTED = 0xC0000002
|
||||
case INVALID_DEVICE_REQUEST = 0xC0000010
|
||||
case ILLEGAL_FUNCTION = 0xC00000AF
|
||||
case NO_SUCH_FILE = 0xC000000F
|
||||
case NO_SUCH_DEVICE = 0xC000000E
|
||||
case OBJECT_NAME_NOT_FOUND = 0xC0000034
|
||||
case OBJECT_PATH_INVALID = 0xC0000039
|
||||
case OBJECT_PATH_NOT_FOUND = 0xC000003A
|
||||
case OBJECT_PATH_SYNTAX_BAD = 0xC000003B
|
||||
case DFS_EXIT_PATH_FOUND = 0xC000009B
|
||||
case REDIRECTOR_NOT_STARTED = 0xC00000FB
|
||||
case TOO_MANY_OPENED_FILES = 0xC000011F
|
||||
case ACCESS_DENIED = 0xC0000022
|
||||
case INVALID_LOCK_SEQUENCE = 0xC000001E
|
||||
case INVALID_VIEW_SIZE = 0xC000001F
|
||||
case ALREADY_COMMITTED = 0xC0000021
|
||||
case PORT_CONNECTION_REFUSED = 0xC0000041
|
||||
case THREAD_IS_TERMINATING = 0xC000004B
|
||||
case DELETE_PENDING = 0xC0000056
|
||||
case PRIVILEGE_NOT_HELD = 0xC0000061
|
||||
case LOGON_FAILURE = 0xC000006D
|
||||
case FILE_IS_A_DIRECTORY = 0xC00000BA
|
||||
case FILE_RENAMED = 0xC00000D5
|
||||
case PROCESS_IS_TERMINATING = 0xC000010A
|
||||
case DIRECTORY_NOT_EMPTY = 0xC0000101
|
||||
case CANNOT_DELETE = 0xC0000121
|
||||
case FILE_NOT_AVAILABLE = 0xC0000467
|
||||
case FILE_DELETED = 0xC0000123
|
||||
case SMB_BAD_FID = 0x00060001
|
||||
case INVALID_HANDLE = 0xC0000008
|
||||
case OBJECT_TYPE_MISMATCH = 0xC0000024
|
||||
case PORT_DISCONNECTED = 0xC0000037
|
||||
case INVALID_PORT_HANDLE = 0xC0000042
|
||||
case FILE_CLOSED = 0xC0000128
|
||||
case HANDLE_NOT_CLOSABLE = 0xC0000235
|
||||
case SECTION_TOO_BIG = 0xC0000040
|
||||
case TOO_MANY_PAGING_FILES = 0xC0000097
|
||||
case INSUFF_SERVER_RESOURCES = 0xC0000205
|
||||
case OS2_INVALID_ACCESS = 0x000C0001
|
||||
case ACCESS_DENIED_2 = 0xC00000CA
|
||||
case DATA_ERROR = 0xC000009C
|
||||
case NOT_SAME_DEVICE = 0xC00000D4
|
||||
case NO_MORE_FILES = 0x80000006
|
||||
case NO_MORE_ENTRIES = 0x8000001A
|
||||
case UNSUCCESSFUL = 0xC0000001
|
||||
case SHARING_VIOLATION = 0xC0000043
|
||||
case FILE_LOCK_CONFLICT = 0xC0000054
|
||||
case LOCK_NOT_GRANTED = 0xC0000055
|
||||
case END_OF_FILE = 0xC0000011
|
||||
case NOT_SUPPORTED = 0xC00000BB
|
||||
case OBJECT_NAME_COLLISION = 0xC0000035
|
||||
case INVALID_PARAMETER = 0xC000000D
|
||||
case OS2_INVALID_LEVEL = 0x007C0001
|
||||
case OS2_NEGATIVE_SEEK = 0x00830001
|
||||
case RANGE_NOT_LOCKED = 0xC000007E
|
||||
case OS2_NO_MORE_SIDS = 0x00710001
|
||||
case OS2_CANCEL_VIOLATION = 0x00AD0001
|
||||
case OS2_ATOMIC_LOCKS_NOT_SUPPORTED = 0x00AE0001
|
||||
case INVALID_INFO_CLASS = 0xC0000003
|
||||
case INVALID_PIPE_STATE = 0xC00000AD
|
||||
case INVALID_READ_MODE = 0xC00000B4
|
||||
case OS2_CANNOT_COPY = 0x010A0001
|
||||
case STOPPED_ON_SYMLINK = 0x8000002D
|
||||
case INSTANCE_NOT_AVAILABLE = 0xC00000AB
|
||||
case PIPE_NOT_AVAILABLE = 0xC00000AC
|
||||
case PIPE_BUSY = 0xC00000AE
|
||||
case PIPE_CLOSING = 0xC00000B1
|
||||
case PIPE_EMPTY = 0xC00000D9
|
||||
case PIPE_DISCONNECTED = 0xC00000B0
|
||||
case BUFFER_OVERFLOW = 0x80000005
|
||||
case MORE_PROCESSING_REQUIRED = 0xC0000016
|
||||
case EA_TOO_LARGE = 0xC0000050
|
||||
case OS2_EAS_DIDNT_FIT = 0x01130001
|
||||
case EAS_NOT_SUPPORTED = 0xC000004F
|
||||
case EA_LIST_INCONSISTENT = 0x80000014
|
||||
case OS2_EA_ACCESS_DENIED = 0x03E20001
|
||||
case NOTIFY_ENUM_DIR = 0x0000010C
|
||||
case INVALID_SMB = 0x00010002
|
||||
case WRONG_PASSWORD = 0xC000006A
|
||||
case PATH_NOT_COVERED = 0xC0000257
|
||||
case NETWORK_NAME_DELETED = 0xC00000C9
|
||||
case SMB_BAD_TID = 0x00050002
|
||||
case BAD_NETWORK_NAME = 0xC00000CC
|
||||
case BAD_DEVICE_TYPE = 0xC00000CB
|
||||
case SMB_BAD_COMMAND = 0x00160002
|
||||
case PRINT_QUEUE_FULL = 0xC00000C6
|
||||
case NO_SPOOL_SPACE = 0xC00000C7
|
||||
case PRINT_CANCELLED = 0xC00000C8
|
||||
case UNEXPECTED_NETWORK_ERROR = 0xC00000C4
|
||||
case IO_TIMEOUT = 0xC00000B5
|
||||
case REQUEST_NOT_ACCEPTED = 0xC00000D0
|
||||
case TOO_MANY_SESSIONS = 0xC00000CE
|
||||
case SMB_BAD_UID = 0x005B0002
|
||||
case SMB_USE_MPX = 0x00FA0002
|
||||
case SMB_USE_STANDARD = 0x00FB0002
|
||||
case SMB_CONTINUE_MPX = 0x00FC0002
|
||||
case ACCOUNT_DISABLED = 0xC0000072
|
||||
case ACCOUNT_EXPIRED = 0xC0000193
|
||||
case INVALID_WORKSTATION = 0xC0000070
|
||||
case INVALID_LOGON_HOURS = 0xC000006F
|
||||
case PASSWORD_EXPIRED = 0xC0000071
|
||||
case PASSWORD_MUST_CHANGE = 0xC0000224
|
||||
case SMB_NO_SUPPORT = 0xFFFF0002
|
||||
case MEDIA_WRITE_PROTECTED = 0xC00000A2
|
||||
case NO_MEDIA_IN_DEVICE = 0xC0000013
|
||||
case INVALID_DEVICE_STATE = 0xC0000184
|
||||
case DATA_ERROR_2 = 0xC000003E
|
||||
case CRC_ERROR = 0xC000003F
|
||||
case DISK_CORRUPT_ERROR = 0xC0000032
|
||||
case NONEXISTENT_SECTOR = 0xC0000015
|
||||
case DEVICE_PAPER_EMPTY = 0x8000000E
|
||||
case WRONG_VOLUME = 0xC0000012
|
||||
case DISK_FULL = 0xC000007F
|
||||
|
||||
|
||||
var description: String {
|
||||
switch self {
|
||||
case NOT_IMPLEMENTED, INVALID_DEVICE_REQUEST, ILLEGAL_FUNCTION:
|
||||
return "Invalid Function."
|
||||
case NO_SUCH_FILE, NO_SUCH_DEVICE, OBJECT_NAME_NOT_FOUND:
|
||||
return "File not found."
|
||||
case OBJECT_PATH_INVALID, OBJECT_PATH_NOT_FOUND, OBJECT_PATH_SYNTAX_BAD, DFS_EXIT_PATH_FOUND, REDIRECTOR_NOT_STARTED:
|
||||
return "A component in the path prefix is not a directory."
|
||||
case TOO_MANY_OPENED_FILES:
|
||||
return "Too many open files. No FIDs are available."
|
||||
case ACCESS_DENIED, INVALID_LOCK_SEQUENCE, INVALID_VIEW_SIZE, ALREADY_COMMITTED, PORT_CONNECTION_REFUSED, THREAD_IS_TERMINATING, DELETE_PENDING, PRIVILEGE_NOT_HELD, LOGON_FAILURE, FILE_IS_A_DIRECTORY, FILE_RENAMED, PROCESS_IS_TERMINATING, CANNOT_DELETE, FILE_DELETED:
|
||||
return "Access denied."
|
||||
case SMB_BAD_FID, INVALID_HANDLE, OBJECT_TYPE_MISMATCH, PORT_DISCONNECTED, INVALID_PORT_HANDLE, FILE_CLOSED, HANDLE_NOT_CLOSABLE:
|
||||
return "Invalid FID."
|
||||
case SECTION_TOO_BIG, TOO_MANY_PAGING_FILES, INSUFF_SERVER_RESOURCES:
|
||||
return "Insufficient server memory to perform the requested operation."
|
||||
case OS2_INVALID_ACCESS:
|
||||
return "Invalid open mode."
|
||||
case DATA_ERROR:
|
||||
return "Bad data. (May be generated by IOCTL calls on the server.)"
|
||||
case DIRECTORY_NOT_EMPTY:
|
||||
return "Remove of directory failed because it was not empty."
|
||||
case NOT_SAME_DEVICE:
|
||||
return "A file system operation (such as a rename) across two devices was attempted."
|
||||
case NO_MORE_FILES:
|
||||
return "No (more) files found following a file search command."
|
||||
case UNSUCCESSFUL:
|
||||
return "General error."
|
||||
case SHARING_VIOLATION:
|
||||
return "Sharing violation. A requested open mode conflicts with the sharing mode of an existing file handle."
|
||||
case FILE_LOCK_CONFLICT, LOCK_NOT_GRANTED:
|
||||
return "A lock request specified an invalid locking mode, or conflicted with an existing file lock."
|
||||
case END_OF_FILE:
|
||||
return "Attempted to read beyond the end of the file."
|
||||
case NOT_SUPPORTED:
|
||||
return "This command is not supported by the server."
|
||||
case OBJECT_NAME_COLLISION:
|
||||
return "An attempt to create a file or directory failed because an object with the same pathname already exists."
|
||||
case INVALID_PARAMETER:
|
||||
return "A parameter supplied with the message is invalid."
|
||||
case OS2_INVALID_LEVEL:
|
||||
return "Invalid information level."
|
||||
case OS2_NEGATIVE_SEEK:
|
||||
return "An attempt was made to seek to a negative absolute offset within a file."
|
||||
case RANGE_NOT_LOCKED:
|
||||
return "The byte range specified in an unlock request was not locked."
|
||||
case OS2_NO_MORE_SIDS:
|
||||
return "Maximum number of searches has been exhausted."
|
||||
case OS2_CANCEL_VIOLATION:
|
||||
return "No lock request was outstanding for the supplied cancel region."
|
||||
case OS2_ATOMIC_LOCKS_NOT_SUPPORTED:
|
||||
return "The file system does not support atomic changes to the lock type."
|
||||
case INVALID_INFO_CLASS, INVALID_PIPE_STATE, INVALID_READ_MODE:
|
||||
return "Invalid named pipe."
|
||||
case OS2_CANNOT_COPY:
|
||||
return "The copy functions cannot be used."
|
||||
case INSTANCE_NOT_AVAILABLE, PIPE_NOT_AVAILABLE, PIPE_BUSY:
|
||||
return "All instances of the designated named pipe are busy."
|
||||
case PIPE_CLOSING, PIPE_EMPTY:
|
||||
return "The designated named pipe is in the process of being closed."
|
||||
case PIPE_DISCONNECTED:
|
||||
return "The designated named pipe exists, but there is no server process listening on the server side."
|
||||
case BUFFER_OVERFLOW, MORE_PROCESSING_REQUIRED:
|
||||
return "There is more data available to read on the designated named pipe."
|
||||
case EA_TOO_LARGE, OS2_EAS_DIDNT_FIT:
|
||||
return "Either there are no extended attributes, or the available extended attributes did not fit into the response."
|
||||
case EAS_NOT_SUPPORTED:
|
||||
return "The server file system does not support Extended Attributes."
|
||||
case OS2_EA_ACCESS_DENIED:
|
||||
return "Access to the extended attribute was denied."
|
||||
default:
|
||||
return ""
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user