SFTP Class
Properties Methods Events Config Settings Errors
The SFTP class can be used to transfer files to and from SFTP servers using the SFTP Protocol.
Class Name
IPWorksSSH_SFTP
Procedural Interface
ipworksssh_sftp_open(); ipworksssh_sftp_close($res); ipworksssh_sftp_register_callback($res, $id, $function); ipworksssh_sftp_get_last_error($res); ipworksssh_sftp_get_last_error_code($res); ipworksssh_sftp_set($res, $id, $index, $value); ipworksssh_sftp_get($res, $id, $index); ipworksssh_sftp_do_append($res); ipworksssh_sftp_do_changeremotepath($res, $remotepath); ipworksssh_sftp_do_checkfileexists($res); ipworksssh_sftp_do_config($res, $configurationstring); ipworksssh_sftp_do_connect($res); ipworksssh_sftp_do_createfile($res, $filename); ipworksssh_sftp_do_decodepacket($res, $encodedpacket); ipworksssh_sftp_do_deletefile($res, $filename); ipworksssh_sftp_do_disconnect($res); ipworksssh_sftp_do_doevents($res); ipworksssh_sftp_do_download($res); ipworksssh_sftp_do_encodepacket($res, $packet); ipworksssh_sftp_do_getsshparam($res, $payload, $field); ipworksssh_sftp_do_getsshparambytes($res, $payload, $field); ipworksssh_sftp_do_interrupt($res); ipworksssh_sftp_do_listdirectory($res); ipworksssh_sftp_do_makedirectory($res, $newdir); ipworksssh_sftp_do_queryfileattributes($res); ipworksssh_sftp_do_queuefile($res, $localfile, $remotefile); ipworksssh_sftp_do_removedirectory($res, $dirname); ipworksssh_sftp_do_renamefile($res, $newname); ipworksssh_sftp_do_reset($res); ipworksssh_sftp_do_resetqueue($res); ipworksssh_sftp_do_setsshparam($res, $payload, $fieldtype, $fieldvalue); ipworksssh_sftp_do_sshlogoff($res); ipworksssh_sftp_do_sshlogon($res, $sshhost, $sshport); ipworksssh_sftp_do_updatefileattributes($res); ipworksssh_sftp_do_upload($res);
Remarks
The SFTP class is the SSH-enabled equivalent of the IPWorks FTP class. The SSHHost and SSHPort properties specify the SSH server to use. The SSHUser and SSHPassword properties allow the client to authenticate itself with the server. The SSHServerAuthentication event and/or SSHAcceptServerHostKey property allow you to check the server identity. Finally, the SSHStatus event provides information about the SSH handshake.
The SFTP class implements a standard SSH File Transfer client.
The first step in using the class is specifying the SSHHost, SSHUser and SSHPassword. The file to upload to or download from is given by the RemoteFile property. The file to download to or upload from is specified by LocalFile. The current path in the server is specified by the RemotePath property.
If LocalFile is set to something other than an empty string, then files are received in LocalFile, otherwise the data is received through the Transfer event. StartTransfer and EndTransfer are fired at the beginning and end of transmission.
Directory listings are received through the DirList event.
Property List
The following is the full list of the properties of the class with short descriptions. Click on the links for further details.
Connected | This shows whether the class is connected. |
DirListCount | The number of records in the DirList arrays. |
DirListEntry | This property contains the raw entry as received from the server. |
DirListFileName | This property shows the file name in the last directory listing. |
DirListFileSize | This property shows the file size in the last directory listing. |
DirListFileTime | This property shows the file time in the last directory listing. |
DirListIsDir | This property specifies whether entries in the last directory listing are directories. |
DirListIsSymlink | This property indicates whether the entry is a symbolic link. |
FileAccessTime | The number of milliseconds since 12:00:00 AM January 1, 1970 when this file was last accessed. |
FileACL | A string containing an Access Control List (ACL). |
FileAllocationSize | The size, in bytes, that this file consumes on disk. |
FileAttributeBits | AttributeBits and AttributeBitsValid each contain a bitmask representing attributes of the file on the SFTP server. |
FileAttributeBitsValid | AttributeBits and AttributeBitsValid each contain a bitmask representing attributes of the file on the SFTP server. |
FileCreationTime | The number of milliseconds since 12:00:00 AM January 1, 1970 when this file was created. |
FileType | The type of file. |
FileGroupId | The id of the group that has access rights this file. |
FileIsDir | Whether or not the file represented by these attributes is a directory. |
FileIsSymlink | Whether or not the file or directory represented by these attributes is a symbolic link. |
FileModifiedTime | The number of milliseconds since 12:00:00 AM January 1, 1970 that this file was last modified. |
FileOwnerId | The user id of this file's owner. |
FilePermissions | A 32-bit integer containing the a POSIX-compatible file permission bitmask. |
FilePermissionsOctal | An octal string containing the a POSIX-compatible file permission bitmask The bitmask should be interpreted as a series of octal digits. |
FileSize | The total size, in bytes, of this file. |
FileExists | Returns true if the file specified by RemoteFile exists on the remote server. |
FirewallAutoDetect | This property tells the class whether or not to automatically detect and use firewall system settings, if available. |
FirewallType | This property determines the type of firewall to connect through. |
FirewallHost | This property contains the name or IP address of firewall (optional). |
FirewallPassword | This property contains a password if authentication is to be used when connecting through the firewall. |
FirewallPort | This property contains the transmission control protocol (TCP) port for the firewall Host . |
FirewallUser | This property contains a user name if authentication is to be used connecting through a firewall. |
Idle | The current status of the class. |
LocalFile | The path to a local file for upload/download. |
LocalHost | The name of the local host or user-assigned IP interface through which connections are initiated or accepted. |
LocalPort | The TCP port in the local host where the class binds. |
Overwrite | Whether or not the class should overwrite files during transfer. |
RemoteFile | The name of the remote file for uploading, downloading, etc. |
RemotePath | The current path in the SFTP server. |
SSHAcceptServerHostKeyEncoded | This is the certificate (PEM/Base64 encoded). |
SSHAuthMode | The authentication method to be used the class when calling SSHLogon . |
SSHCertEncoded | This is the certificate (PEM/Base64 encoded). |
SSHCertStore | This is the name of the certificate store for the client certificate. |
SSHCertStorePassword | If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store. |
SSHCertStoreType | This is the type of certificate store for this certificate. |
SSHCertSubject | This is the subject of the certificate used for client authentication. |
SSHCompressionAlgorithms | A comma-separated list containing all allowable compression algorithms. |
SSHEncryptionAlgorithms | A comma-separated list containing all allowable encryption algorithms. |
SSHHost | The address of the SSH host. |
SSHPassword | The password for SSH password-based authentication. |
SSHPort | The port on the SSH server where the SSH service is running; by default, 22. |
SSHUser | The username for SSH authentication. |
StartByte | The offset in bytes at which to begin the Upload or Download. |
Timeout | A timeout for the class. |
Method List
The following is the full list of the methods of the class with short descriptions. Click on the links for further details.
Append | Append data from LocalFile to a remote file RemoteFile on an SFTP server. |
ChangeRemotePath | Changes the current path on the server. |
CheckFileExists | Returns if the file specified by RemoteFile exists on the remote server. |
Config | Sets or retrieves a configuration setting. |
Connect | Connects to the SSH host without logging in. |
CreateFile | Creates a file on the SFTP server. |
DecodePacket | Decodes a hex-encoded SSH packet. |
DeleteFile | Remove a file specified by FileName from an SFTP server. |
Disconnect | This method disconnects from the server without first logging off. |
DoEvents | Processes events from the internal message queue. |
Download | Download a RemoteFile from an SFTP server. |
EncodePacket | Hex encodes an SSH packet. |
GetSSHParam | Used to read a field from an SSH packet's payload. |
GetSSHParamBytes | Used to read a field from an SSH packet's payload. |
Interrupt | Interrupt the current method. |
ListDirectory | List the current directory specified by RemotePath on an SFTP server. |
MakeDirectory | Create a directory on an SFTP server. |
QueryFileAttributes | Queries the server for the attributes of RemoteFile . |
QueueFile | Adds a file to the transfer queue. |
RemoveDirectory | Remove a directory specified by DirName from an SFTP server. |
RenameFile | Change the name of RemoteFile to NewName . |
Reset | Reset the class. |
ResetQueue | Resets the queue of files to be transferred. |
SetSSHParam | Used to write a field to the end of a payload. |
SSHLogoff | Logoff from the SSH server. |
SSHLogon | Logon to the SSHHost using the current SSHUser and SSHPassword . |
UpdateFileAttributes | Instructs the class to send the FileAttributes to the server. |
Upload | Upload a file specified by LocalFile to an SFTP server. |
Event List
The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.
Connected | This event is fired immediately after a connection completes (or fails). |
ConnectionStatus | This event is fired to indicate changes in the connection state. |
DirList | Fired when a directory entry is received. |
Disconnected | This event is fired when a connection is closed. |
EndTransfer | Fired when a file completes downloading/uploading. |
Error | Information about errors during data delivery. |
Log | Fires once for each log message. |
SSHCustomAuth | Fired when the class is doing custom authentication. |
SSHKeyboardInteractive | Fired when the class receives a request for user input from the server. |
SSHServerAuthentication | Fired after the server presents its public key to the client. |
SSHStatus | Shows the progress of the secure connection. |
StartTransfer | Fired when a file starts downloading/uploading. |
Transfer | Fired during file download/upload. |
Config Settings
The following is a list of config settings for the class with short descriptions. Click on the links for further details.
AllowBackslashInName | Whether backslashes are allowed in folder and file names. |
AsyncTransfer | Controls whether simultatenous requests are made to read or write files. |
AttrAccessTime | Can be queried for the AccessTime file attribute during the DirList event. |
AttrCreationTime | Can be queried for the CreationTime file attribute during the DirList event. |
AttrFileType | Can be queried for the FileType file attribute during the DirList event. |
AttrGroupId | Can be queried for the GroupId file attribute during the DirList event. |
AttrLinkCount | Can be queried for the LinkCount file attribute during the DirList event. |
AttrOwnerId | Can be queried for the OwnerId file attribute during the DirList event. |
AttrPermission | Can be queried for the Permissions file attribute during the DirList event. |
CheckFileHash | Compares a server-computed hash with a hash calculated locally. |
CopyRemoteData | Copies a specified range of bytes in one file to another. |
CopyRemoteFile | Copies a file from one location to another directly on the server. |
DisableRealPath | Controls whether or not the SSH_FXP_REALPATH request is sent. |
ExcludeFileMask | Specifies a file mask for excluding files in directory listings. |
FileMaskDelimiter | Specifies a delimiter to use for setting multiple file masks in the RemoteFile property. |
FiletimeFormat | Specifies the format to use when returning filetime strings. |
FreeSpace | The free space on the remote server in bytes. |
GetSpaceInfo | Queries the server for drive usage information. |
GetSymlinkAttrs | Whether to get the attributes of the symbolic link, or the resource pointed to by the link. |
IgnoreFileMaskCasing | Controls whether or not the file mask is case sensitive. |
LocalEOL | When TransferMode is set, this specifies the line ending for the local system. |
LogSFTPFileData | Whether SFTP file data is present in Debug logs. |
MaskSensitive | Masks passwords in logs. |
MaxFileData | Specifies the maximum payload size of an SFTP packet. |
MaxOutstandingPackets | Sets the maximum number of simultaneous read or write requests allowed. |
NegotiatedProtocolVersion | The negotiated SFTP version. |
NormalizeRemotePath | Whether to normalize the RemotePath. |
PreserveFileTime | Preserves the file's timestamps during transfer. |
ProtocolVersion | The highest allowable SFTP version to use. |
ReadLink | This settings returns the target of a specified symbolic link. |
RealPathControlFlag | Specifies the control-byte field sent in the SSH_FXP_REALPATH request. |
RealTimeUpload | Enables real time uploading. |
RealTimeUploadAgeLimit | The age limit in seconds when using RealTimeUpload. |
ServerEOL | When TransferMode is set, this specifies the line ending for the remote system. |
SimultaneousTransferLimit | The maximum number of simultaneous file transfers. |
TotalSpace | The total space on the remote server in bytes. |
TransferMode | The transfer mode (ASCII or Binary). |
TransferredDataLimit | Specifies the maximum number of bytes to download from the remote file. |
UseFxpStat | Whether SSH_FXP_STAT is sent. |
UseServerFileTime | Controls if the file time returned from the server is converted to local time or not. |
UseServerFileTime | Controls if the file time returned from the server is converted to local time or not. |
ChannelDataEOL[ChannelId] | Used to break the incoming data stream into chunks. |
ChannelDataEOLFound[ChannelId] | Determines if ChannelDataEOL was found. |
ClientSSHVersionString | The SSH version string used by the class. |
EnablePageantAuth | Whether to use a key stored in Pageant to perform client authentication. |
KerberosDelegation | If true, asks for credentials with delegation enabled during authentication. |
KerberosRealm | The fully qualified domain name of the Kerberos Realm to use for GSSAPI authentication. |
KerberosSPN | The Kerberos Service Principal Name of the SSH host. |
KeyRenegotiationThreshold | Sets the threshold for the SSH Key Renegotiation. |
LogLevel | Specifies the level of detail that is logged. |
MaxChannelDataLength[ChannelId] | The maximum amount of data to accumulate when no ChannelDataEOL is found. |
MaxPacketSize | The maximum packet size of the channel, in bytes. |
MaxWindowSize | The maximum window size allowed for the channel, in bytes. |
NegotiatedStrictKex | Returns whether strict key exchange was negotiated to be used. |
PasswordPrompt | The text of the password prompt used in keyboard-interactive authentication. |
PreferredDHGroupBits | The size (in bits) of the preferred modulus (p) to request from the server. |
RecordLength | The length of received data records. |
ServerSSHVersionString | The remote host's SSH version string. |
SignedSSHCert | The CA signed client public key used when authenticating. |
SSHAcceptAnyServerHostKey | If set the class will accept any key presented by the server. |
SSHAcceptServerCAKey | The CA public key that signed the server's host key. |
SSHAcceptServerHostKeyFingerPrint | The fingerprint of the server key to accept. |
SSHFingerprintHashAlgorithm | The algorithm used to calculate the fingerprint. |
SSHFingerprintMD5 | The server hostkey's MD5 fingerprint. |
SSHFingerprintSHA1 | The server hostkey's SHA1 fingerprint. |
SSHFingerprintSHA256 | The server hostkey's SHA256 fingerprint. |
SSHKeepAliveCountMax | The maximum number of keep alive packets to send without a response. |
SSHKeepAliveInterval | The interval between keep alive packets. |
SSHKeyExchangeAlgorithms | Specifies the supported key exchange algorithms. |
SSHKeyRenegotiate | Causes the class to renegotiate the SSH keys. |
SSHMacAlgorithms | Specifies the supported Mac algorithms. |
SSHPubKeyAuthSigAlgorithms | Specifies the enabled signature algorithms that may be used when attempting public key authentication. |
SSHPublicKeyAlgorithms | Specifies the supported public key algorithms for the server's public key. |
SSHVersionPattern | The pattern used to match the remote host's version string. |
TryAllAvailableAuthMethods | If set to true, the class will try all available authentication methods. |
UseStrictKeyExchange | Specifies how strict key exchange is supported. |
WaitForChannelClose | Whether to wait for channels to be closed before disconnected. |
WaitForServerDisconnect | Whether to wait for the server to close the connection. |
ConnectionTimeout | Sets a separate timeout value for establishing a connection. |
FirewallAutoDetect | Tells the class whether or not to automatically detect and use firewall system settings, if available. |
FirewallHost | Name or IP address of firewall (optional). |
FirewallPassword | Password to be used if authentication is to be used when connecting through the firewall. |
FirewallPort | The TCP port for the FirewallHost;. |
FirewallType | Determines the type of firewall to connect through. |
FirewallUser | A user name if authentication is to be used connecting through a firewall. |
KeepAliveInterval | The retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received. |
KeepAliveTime | The inactivity time in milliseconds before a TCP keep-alive packet is sent. |
Linger | When set to True, connections are terminated gracefully. |
LingerTime | Time in seconds to have the connection linger. |
LocalHost | The name of the local host through which connections are initiated or accepted. |
LocalPort | The port in the local host where the class binds. |
MaxLineLength | The maximum amount of data to accumulate when no EOL is found. |
MaxTransferRate | The transfer rate limit in bytes per second. |
ProxyExceptionsList | A semicolon separated list of hosts and IPs to bypass when using a proxy. |
TCPKeepAlive | Determines whether or not the keep alive socket option is enabled. |
TcpNoDelay | Whether or not to delay when sending packets. |
UseIPv6 | Whether to use IPv6. |
AbsoluteTimeout | Determines whether timeouts are inactivity timeouts or absolute timeouts. |
FirewallData | Used to send extra data to the firewall. |
InBufferSize | The size in bytes of the incoming queue of the socket. |
OutBufferSize | The size in bytes of the outgoing queue of the socket. |
BuildInfo | Information about the product's build. |
CodePage | The system code page used for Unicode to Multibyte translations. |
LicenseInfo | Information about the current license. |
MaskSensitive | Whether sensitive data is masked in log messages. |
ProcessIdleEvents | Whether the class uses its internal event loop to process events when the main thread is idle. |
SelectWaitMillis | The length of time in milliseconds the class will wait when DoEvents is called if there are no events to process. |
UseFIPSCompliantAPI | Tells the class whether or not to use FIPS certified APIs. |
UseInternalSecurityAPI | Whether or not to use the system security libraries or an internal implementation. |
Connected Property (IPWorksSSH_SFTP Class)
This shows whether the class is connected.
Object Oriented Interface
public function getConnected(); public function setConnected($value);
Procedural Interface
ipworksssh_sftp_get($res, 1 ); ipworksssh_sftp_set($res, 1, $value );
Default Value
false
Remarks
This property is used to determine whether or not the class is connected to the remote host.
Note: It is recommended to use the Connect or Disconnect method instead of setting this property.
This property is not available at design time.
Data Type
Boolean
DirListCount Property (IPWorksSSH_SFTP Class)
The number of records in the DirList arrays.
Object Oriented Interface
public function getDirListCount();
Procedural Interface
ipworksssh_sftp_get($res, 2 );
Default Value
0
Remarks
This property controls the size of the following arrays:
The array indices start at 0 and end at DirListCount - 1.This property is read-only and not available at design time.
Data Type
Integer
DirListEntry Property (IPWorksSSH_SFTP Class)
This property contains the raw entry as received from the server.
Object Oriented Interface
public function getDirListEntry($entryindex);
Procedural Interface
ipworksssh_sftp_get($res, 3 , $entryindex);
Default Value
''
Remarks
This property contains the raw entry as received from the server. It is the complete unparsed entry in the directory listing.
The $entryindex parameter specifies the index of the item in the array. The size of the array is controlled by the DirListCount property.
This property is read-only and not available at design time.
Data Type
String
DirListFileName Property (IPWorksSSH_SFTP Class)
This property shows the file name in the last directory listing.
Object Oriented Interface
public function getDirListFileName($entryindex);
Procedural Interface
ipworksssh_sftp_get($res, 4 , $entryindex);
Default Value
''
Remarks
This property shows the file name in the last directory listing. This also may be the directory name if a directory is being listed. You can tell whether it is a file or a directory by the Boolean DirListIsDir property.
The $entryindex parameter specifies the index of the item in the array. The size of the array is controlled by the DirListCount property.
This property is read-only and not available at design time.
Data Type
String
DirListFileSize Property (IPWorksSSH_SFTP Class)
This property shows the file size in the last directory listing.
Object Oriented Interface
public function getDirListFileSize($entryindex);
Procedural Interface
ipworksssh_sftp_get($res, 5 , $entryindex);
Default Value
0
Remarks
This property shows the file size in the last directory listing.
The $entryindex parameter specifies the index of the item in the array. The size of the array is controlled by the DirListCount property.
This property is read-only and not available at design time.
Data Type
Long64
DirListFileTime Property (IPWorksSSH_SFTP Class)
This property shows the file time in the last directory listing.
Object Oriented Interface
public function getDirListFileTime($entryindex);
Procedural Interface
ipworksssh_sftp_get($res, 6 , $entryindex);
Default Value
''
Remarks
This property shows the file time in the last directory listing. This contains the date/time stamp in which the file was created.
Note: In Unix systems, the date is given in two types of formats: If the date is in the past 12 months, the exact time is specified and the year is omitted. Otherwise, only the date and the year, but not hours or minutes, are given.
The $entryindex parameter specifies the index of the item in the array. The size of the array is controlled by the DirListCount property.
This property is read-only and not available at design time.
Data Type
String
DirListIsDir Property (IPWorksSSH_SFTP Class)
This property specifies whether entries in the last directory listing are directories.
Object Oriented Interface
public function getDirListIsDir($entryindex);
Procedural Interface
ipworksssh_sftp_get($res, 7 , $entryindex);
Default Value
false
Remarks
This property specifies whether entries in the last directory listing are directories. This Boolean value denotes whether or not the directory entry listed in DirListFileName is a file or a directory.
The $entryindex parameter specifies the index of the item in the array. The size of the array is controlled by the DirListCount property.
This property is read-only and not available at design time.
Data Type
Boolean
DirListIsSymlink Property (IPWorksSSH_SFTP Class)
This property indicates whether the entry is a symbolic link.
Object Oriented Interface
public function getDirListIsSymlink($entryindex);
Procedural Interface
ipworksssh_sftp_get($res, 8 , $entryindex);
Default Value
false
Remarks
This property indicates whether the entry is a symbolic link. When the entry is a symbolic link, the value of DirListIsDir will always be False because this information is not returned in the directory listing. To inspect a symlink to determine if it is a link to a file or a folder, set RemoteFile and query the FileAttributes.FileIsDir property.
The $entryindex parameter specifies the index of the item in the array. The size of the array is controlled by the DirListCount property.
This property is read-only and not available at design time.
Data Type
Boolean
FileAccessTime Property (IPWorksSSH_SFTP Class)
The number of milliseconds since 12:00:00 AM January 1, 1970 when this file was last accessed.
Object Oriented Interface
public function getFileAccessTime(); public function setFileAccessTime($value);
Procedural Interface
ipworksssh_sftp_get($res, 9 ); ipworksssh_sftp_set($res, 9, $value );
Default Value
0
Remarks
The number of milliseconds since 12:00:00 AM January 1, 1970 when this file was last accessed.
This property is not available at design time.
Data Type
Long64
FileACL Property (IPWorksSSH_SFTP Class)
A string containing an Access Control List (ACL).
Object Oriented Interface
public function getFileACL(); public function setFileACL($value);
Procedural Interface
ipworksssh_sftp_get($res, 11 ); ipworksssh_sftp_set($res, 11, $value );
Default Value
''
Remarks
A string containing an Access Control List (ACL).
This property is not available at design time.
Data Type
String
FileAllocationSize Property (IPWorksSSH_SFTP Class)
The size, in bytes, that this file consumes on disk.
Object Oriented Interface
public function getFileAllocationSize();
Procedural Interface
ipworksssh_sftp_get($res, 12 );
Default Value
0
Remarks
The size, in bytes, that this file consumes on disk.
This property is read-only and not available at design time.
Data Type
Long64
FileAttributeBits Property (IPWorksSSH_SFTP Class)
AttributeBits and AttributeBitsValid each contain a bitmask representing attributes of the file on the SFTP server.
Object Oriented Interface
public function getFileAttributeBits();
Procedural Interface
ipworksssh_sftp_get($res, 13 );
Default Value
0
Remarks
FileAttributeBits and FileAttributeBitsValid each contain a bitmask representing attributes of the file on the SFTP server. These two values must be interpreted together. Any value present in FileAttributeBitsValid must be ignored in FileAttributeBits. This is done so that the server and client can communicate the attributes they know about without confusing any bits they do not understand.
This field can have one or more of the following values OR'd together:
- 0x00000001 (SSH_FILEXFER_ATTR_FLAGS_READONLY)
- 0x00000002 (SSH_FILEXFER_ATTR_FLAGS_SYSTEM)
- 0x00000004 (SSH_FILEXFER_ATTR_FLAGS_HIDDEN)
- 0x00000008 (SSH_FILEXFER_ATTR_FLAGS_CASE_INSENSITIVE)
- 0x00000010 (SSH_FILEXFER_ATTR_FLAGS_ARCHIVE)
- 0x00000020 (SSH_FILEXFER_ATTR_FLAGS_ENCRYPTED)
- 0x00000040 (SSH_FILEXFER_ATTR_FLAGS_COMPRESSED)
- 0x00000080 (SSH_FILEXFER_ATTR_FLAGS_SPARSE)
- 0x00000100 (SSH_FILEXFER_ATTR_FLAGS_APPEND_ONLY)
- 0x00000200 (SSH_FILEXFER_ATTR_FLAGS_IMMUTABLE)
- 0x00000400 (SSH_FILEXFER_ATTR_FLAGS_SYNC)
- 0x00000800 (SSH_FILEXFER_ATTR_FLAGS_TRANSLATION_ERR)
This property is read-only and not available at design time.
Data Type
Integer
FileAttributeBitsValid Property (IPWorksSSH_SFTP Class)
AttributeBits and AttributeBitsValid each contain a bitmask representing attributes of the file on the SFTP server.
Object Oriented Interface
public function getFileAttributeBitsValid();
Procedural Interface
ipworksssh_sftp_get($res, 14 );
Default Value
0
Remarks
FileAttributeBits and FileAttributeBitsValid each contain a bitmask representing attributes of the file on the SFTP server. These two values must be interpreted together. Any value present in FileAttributeBitsValid must be ignored in FileAttributeBits. This is done so that the server and client can communicate the attributes they know about without confusing any bits they do not understand.
This field can have one or more of the following values OR'd together:
- 0x00000001 (SSH_FILEXFER_ATTR_FLAGS_READONLY)
- 0x00000002 (SSH_FILEXFER_ATTR_FLAGS_SYSTEM)
- 0x00000004 (SSH_FILEXFER_ATTR_FLAGS_HIDDEN)
- 0x00000008 (SSH_FILEXFER_ATTR_FLAGS_CASE_INSENSITIVE)
- 0x00000010 (SSH_FILEXFER_ATTR_FLAGS_ARCHIVE)
- 0x00000020 (SSH_FILEXFER_ATTR_FLAGS_ENCRYPTED)
- 0x00000040 (SSH_FILEXFER_ATTR_FLAGS_COMPRESSED)
- 0x00000080 (SSH_FILEXFER_ATTR_FLAGS_SPARSE)
- 0x00000100 (SSH_FILEXFER_ATTR_FLAGS_APPEND_ONLY)
- 0x00000200 (SSH_FILEXFER_ATTR_FLAGS_IMMUTABLE)
- 0x00000400 (SSH_FILEXFER_ATTR_FLAGS_SYNC)
- 0x00000800 (SSH_FILEXFER_ATTR_FLAGS_TRANSLATION_ERR)
This property is read-only and not available at design time.
Data Type
Integer
FileCreationTime Property (IPWorksSSH_SFTP Class)
The number of milliseconds since 12:00:00 AM January 1, 1970 when this file was created.
Object Oriented Interface
public function getFileCreationTime(); public function setFileCreationTime($value);
Procedural Interface
ipworksssh_sftp_get($res, 15 ); ipworksssh_sftp_set($res, 15, $value );
Default Value
0
Remarks
The number of milliseconds since 12:00:00 AM January 1, 1970 when this file was created.
This property is not available at design time.
Data Type
Long64
FileType Property (IPWorksSSH_SFTP Class)
The type of file.
Object Oriented Interface
public function getFileType();
Procedural Interface
ipworksssh_sftp_get($res, 17 );
Default Value
0
Remarks
The type of file. FileType may be one of the following values:
1 (sftRegular - default) | A normal file. |
2 (sftDirectory) | A directory. |
3 (symlink) | The file is a Unix symbolic link. |
4 (sftSpecial) | The file type is a special system file. |
5 (sftUnknown) | The file type is unknown. |
6 (sftSocket) | The file handle is a socket handle. |
7 (sftCharDevice) | The file handle is a character input device. |
8 (sftBlockDevice) | The file handle is a block input device. |
9 (sftpFIFO) | The file handle is a buffering input device. |
This property is read-only and not available at design time.
Data Type
Integer
FileGroupId Property (IPWorksSSH_SFTP Class)
The id of the group that has access rights this file.
Object Oriented Interface
public function getFileGroupId(); public function setFileGroupId($value);
Procedural Interface
ipworksssh_sftp_get($res, 19 ); ipworksssh_sftp_set($res, 19, $value );
Default Value
''
Remarks
The id of the group that has access rights this file.
This property is not available at design time.
Data Type
String
FileIsDir Property (IPWorksSSH_SFTP Class)
Whether or not the file represented by these attributes is a directory.
Object Oriented Interface
public function getFileIsDir();
Procedural Interface
ipworksssh_sftp_get($res, 20 );
Default Value
false
Remarks
Whether or not the file represented by these attributes is a directory.
This property is read-only and not available at design time.
Data Type
Boolean
FileIsSymlink Property (IPWorksSSH_SFTP Class)
Whether or not the file or directory represented by these attributes is a symbolic link.
Object Oriented Interface
public function getFileIsSymlink();
Procedural Interface
ipworksssh_sftp_get($res, 21 );
Default Value
false
Remarks
Whether or not the file or directory represented by these attributes is a symbolic link. This setting is only applicable when GetSymlinkAttrs is set to True. By default the attributes of the actual file referred to by the link (not the symbolic link itself) are returned and this property will always be False.
This property is read-only and not available at design time.
Data Type
Boolean
FileModifiedTime Property (IPWorksSSH_SFTP Class)
The number of milliseconds since 12:00:00 AM January 1, 1970 that this file was last modified.
Object Oriented Interface
public function getFileModifiedTime(); public function setFileModifiedTime($value);
Procedural Interface
ipworksssh_sftp_get($res, 24 ); ipworksssh_sftp_set($res, 24, $value );
Default Value
0
Remarks
The number of milliseconds since 12:00:00 AM January 1, 1970 that this file was last modified.
This property is not available at design time.
Data Type
Long64
FileOwnerId Property (IPWorksSSH_SFTP Class)
The user id of this file's owner.
Object Oriented Interface
public function getFileOwnerId(); public function setFileOwnerId($value);
Procedural Interface
ipworksssh_sftp_get($res, 26 ); ipworksssh_sftp_set($res, 26, $value );
Default Value
''
Remarks
The user id of this file's owner.
This property is not available at design time.
Data Type
String
FilePermissions Property (IPWorksSSH_SFTP Class)
A 32-bit integer containing the a POSIX-compatible file permission bitmask.
Object Oriented Interface
public function getFilePermissions(); public function setFilePermissions($value);
Procedural Interface
ipworksssh_sftp_get($res, 27 ); ipworksssh_sftp_set($res, 27, $value );
Default Value
0
Remarks
A 32-bit integer containing the a POSIX-compatible file permission bitmask.
The bitmask should be interpreted as a decimal value of a series of octal digits. For example, an octal permission value of "100644" would be "33188" in base-10, and "40755" in octal would be "16877" in base-10.
The last three octal digits are the most significant and represent, in order, the file access capabilities of the file's owner, the owner's group and other users. Each of these octal digits is, on its own, a 3-bit bitmask with the following possible values:
1 (001) | Execute |
2 (010) | Write |
4 (100) | Read |
An octal permission digit of 7 would have all three values set and would mean that the file can be read, written and executed by that user class. For example, the octal permissions "100644" would have a value "6" for the owner, "4" for the group, and "4" for other users. This would be interpreted to mean that all users can read the file, no users can execute it and only the owner can write it. The permissions "40755" would mean that all users can read and execute the file, but only the owner can write it.
The previous octal digit is another bitmask with the following values:
1 (001) | Sticky Bit - retain the file in memory for performance |
2 (010) | Set GID - sets the group ID of the process to the file's group ID upon execution (only for executable files) |
4 (100) | Set UID - sets the user ID of the process to the file's user ID upon execution (only for executable files) |
The previous two octal digits are used together as a bitmask to determine the type of file. This bitmask has the following values:
01 (000001) | Named pipe |
02 (000010) | Character special |
04 (000100) | Directory |
06 (000110) | Block special |
10 (001000) | Regular |
12 (001010) | Symbolic link |
14 (001100) | Socket |
For example, the octal file permissions "100644" would indicate a regular file and octal "40755" would indicate a directory.
Please note that you will need to convert the octal permissions bitmask into its decimal representation
This property is not available at design time.
Data Type
Integer
FilePermissionsOctal Property (IPWorksSSH_SFTP Class)
An octal string containing the a POSIX-compatible file permission bitmask The bitmask should be interpreted as a series of octal digits.
Object Oriented Interface
public function getFilePermissionsOctal(); public function setFilePermissionsOctal($value);
Procedural Interface
ipworksssh_sftp_get($res, 28 ); ipworksssh_sftp_set($res, 28, $value );
Default Value
''
Remarks
An octal string containing the a POSIX-compatible file permission bitmask
The bitmask should be interpreted as a series of octal digits. For example, "100644" and "40755".
The last three octal digits are the most significant and represent, in order, the file access capabilities of the file's owner, the owner's group and other users. Each of these octal digits is, on its own, a 3-bit bitmask with the following possible values:
1 (001) | Execute |
2 (010) | Write |
4 (100) | Read |
An octal permission digit of 7 would have all three values set and would mean that the file can be read, written and executed by that user class. For example, the octal permissions "100644" would have a value "6" for the owner, "4" for the group, and "4" for other users. This would be interpreted to mean that all users can read the file, no users can execute it and only the owner can write it. The permissions "40755" would mean that all users can read and execute the file, but only the owner can write it.
The previous octal digit is another bitmask with the following values:
1 (001) | Sticky Bit - retain the file in memory for performance |
2 (010) | Set GID - sets the group ID of the process to the file's group ID upon execution (only for executable files) |
4 (100) | Set UID - sets the user ID of the process to the file's user ID upon execution (only for executable files) |
The previous two octal digits are used together as a bitmask to determine the type of file. This bitmask has the following values:
01 (000001) | Named pipe |
02 (000010) | Character special |
04 (000100) | Directory |
06 (000110) | Block special |
10 (001000) | Regular |
12 (001010) | Symbolic link |
14 (001100) | Socket |
For example, the octal file permissions "100644" would indicate a regular file and octal "40755" would indicate a directory.
This property is not available at design time.
Data Type
String
FileSize Property (IPWorksSSH_SFTP Class)
The total size, in bytes, of this file.
Object Oriented Interface
public function getFileSize();
Procedural Interface
ipworksssh_sftp_get($res, 29 );
Default Value
0
Remarks
The total size, in bytes, of this file.
This property is read-only and not available at design time.
Data Type
Long64
FileExists Property (IPWorksSSH_SFTP Class)
Returns true if the file specified by RemoteFile exists on the remote server.
Object Oriented Interface
public function getFileExists();
Procedural Interface
ipworksssh_sftp_get($res, 32 );
Default Value
false
Remarks
This property returns True if the file exists on the remote server. It returns false if the file does not exist. You must specify the file you wish to check by setting the RemoteFile prior to calling this method.
If there is no session in place, the value of this property will always be false.
This property is read-only and not available at design time.
Data Type
Boolean
FirewallAutoDetect Property (IPWorksSSH_SFTP Class)
This property tells the class whether or not to automatically detect and use firewall system settings, if available.
Object Oriented Interface
public function getFirewallAutoDetect(); public function setFirewallAutoDetect($value);
Procedural Interface
ipworksssh_sftp_get($res, 33 ); ipworksssh_sftp_set($res, 33, $value );
Default Value
false
Remarks
This property tells the class whether or not to automatically detect and use firewall system settings, if available.
Data Type
Boolean
FirewallType Property (IPWorksSSH_SFTP Class)
This property determines the type of firewall to connect through.
Object Oriented Interface
public function getFirewallType(); public function setFirewallType($value);
Procedural Interface
ipworksssh_sftp_get($res, 34 ); ipworksssh_sftp_set($res, 34, $value );
Default Value
0
Remarks
This property determines the type of firewall to connect through. The applicable values are as follows:
fwNone (0) | No firewall (default setting). |
fwTunnel (1) | Connect through a tunneling proxy. FirewallPort is set to 80. |
fwSOCKS4 (2) | Connect through a SOCKS4 Proxy. FirewallPort is set to 1080. |
fwSOCKS5 (3) | Connect through a SOCKS5 Proxy. FirewallPort is set to 1080. |
fwSOCKS4A (10) | Connect through a SOCKS4A Proxy. FirewallPort is set to 1080. |
Data Type
Integer
FirewallHost Property (IPWorksSSH_SFTP Class)
This property contains the name or IP address of firewall (optional).
Object Oriented Interface
public function getFirewallHost(); public function setFirewallHost($value);
Procedural Interface
ipworksssh_sftp_get($res, 35 ); ipworksssh_sftp_set($res, 35, $value );
Default Value
''
Remarks
This property contains the name or IP address of firewall (optional). If a FirewallHost is given, the requested connections will be authenticated through the specified firewall when connecting.
If this property is set to a Domain Name, a DNS request is initiated. Upon successful termination of the request, this property is set to the corresponding address. If the search is not successful, the class fails with an error.
Data Type
String
FirewallPassword Property (IPWorksSSH_SFTP Class)
This property contains a password if authentication is to be used when connecting through the firewall.
Object Oriented Interface
public function getFirewallPassword(); public function setFirewallPassword($value);
Procedural Interface
ipworksssh_sftp_get($res, 36 ); ipworksssh_sftp_set($res, 36, $value );
Default Value
''
Remarks
This property contains a password if authentication is to be used when connecting through the firewall. If FirewallHost is specified, the FirewallUser and FirewallPassword properties are used to connect and authenticate to the given firewall. If the authentication fails, the class fails with an error.
Data Type
String
FirewallPort Property (IPWorksSSH_SFTP Class)
This property contains the transmission control protocol (TCP) port for the firewall Host .
Object Oriented Interface
public function getFirewallPort(); public function setFirewallPort($value);
Procedural Interface
ipworksssh_sftp_get($res, 37 ); ipworksssh_sftp_set($res, 37, $value );
Default Value
0
Remarks
This property contains the transmission control protocol (TCP) port for the firewall FirewallHost. See the description of the FirewallHost property for details.
Note: This property is set automatically when FirewallType is set to a valid value. See the description of the FirewallType property for details.
Data Type
Integer
FirewallUser Property (IPWorksSSH_SFTP Class)
This property contains a user name if authentication is to be used connecting through a firewall.
Object Oriented Interface
public function getFirewallUser(); public function setFirewallUser($value);
Procedural Interface
ipworksssh_sftp_get($res, 38 ); ipworksssh_sftp_set($res, 38, $value );
Default Value
''
Remarks
This property contains a user name if authentication is to be used connecting through a firewall. If the FirewallHost is specified, this property and FirewallPassword properties are used to connect and authenticate to the given Firewall. If the authentication fails, the class fails with an error.
Data Type
String
Idle Property (IPWorksSSH_SFTP Class)
The current status of the class.
Object Oriented Interface
public function getIdle();
Procedural Interface
ipworksssh_sftp_get($res, 39 );
Default Value
true
Remarks
Idle will be False if the component is currently busy (communicating and/or waiting for an answer), and True at all other times.
This property is read-only.
Data Type
Boolean
LocalFile Property (IPWorksSSH_SFTP Class)
The path to a local file for upload/download.
Object Oriented Interface
public function getLocalFile(); public function setLocalFile($value);
Procedural Interface
ipworksssh_sftp_get($res, 40 ); ipworksssh_sftp_set($res, 40, $value );
Default Value
''
Remarks
The LocalFile property is used by the Upload and Download methods. The file will only be overwritten if the Overwrite property is set to True.
Example (Setting LocalFile)
SFTPControl.Localfile = "C:\localfile.txt"
SFTPControl.RemoteFile = "remotefile.txt"
SFTPControl.Download()
SFTPControl.Localfile = "C:\localfile2.txt"
SFTPControl.RemoteFile = "folder/remotefile2.txt"
SFTPControl.Download()
Data Type
String
LocalHost Property (IPWorksSSH_SFTP Class)
The name of the local host or user-assigned IP interface through which connections are initiated or accepted.
Object Oriented Interface
public function getLocalHost(); public function setLocalHost($value);
Procedural Interface
ipworksssh_sftp_get($res, 41 ); ipworksssh_sftp_set($res, 41, $value );
Default Value
''
Remarks
The LocalHost property contains the name of the local host as obtained by the gethostname() system call, or if the user has assigned an IP address, the value of that address.
In multi-homed hosts (machines with more than one IP interface) setting LocalHost to the value of an interface will make the class initiate connections (or accept in the case of server classs) only through that interface.
If the class is connected, the LocalHost property shows the IP address of the interface through which the connection is made in internet dotted format (aaa.bbb.ccc.ddd). In most cases, this is the address of the local host, except for multi-homed hosts (machines with more than one IP interface).
NOTE: LocalHost is not persistent. You must always set it in code, and never in the property window.
Data Type
String
LocalPort Property (IPWorksSSH_SFTP Class)
The TCP port in the local host where the class binds.
Object Oriented Interface
public function getLocalPort(); public function setLocalPort($value);
Procedural Interface
ipworksssh_sftp_get($res, 42 ); ipworksssh_sftp_set($res, 42, $value );
Default Value
0
Remarks
This property must be set before a connection is attempted. It instructs the class to bind to a specific port (or communication endpoint) in the local machine.
Setting this property to 0 (default) enables the system to choose an open port at random. The chosen port will be returned by the LocalPort property after the connection is established.
LocalPort cannot be changed once a connection is made. Any attempt to set this property when a connection is active will generate an error.
This property is useful when trying to connect to services that require a trusted port in the client side.
Data Type
Integer
Overwrite Property (IPWorksSSH_SFTP Class)
Whether or not the class should overwrite files during transfer.
Object Oriented Interface
public function getOverwrite(); public function setOverwrite($value);
Procedural Interface
ipworksssh_sftp_get($res, 43 ); ipworksssh_sftp_set($res, 43, $value );
Default Value
false
Remarks
This property is a value indicating whether or not the class should overwrite LocalFile when downloading, and RemoteFile when uploading. If Overwrite is false, an error will be thrown whenever LocalFile exists before a download operation.
Data Type
Boolean
RemoteFile Property (IPWorksSSH_SFTP Class)
The name of the remote file for uploading, downloading, etc.
Object Oriented Interface
public function getRemoteFile(); public function setRemoteFile($value);
Procedural Interface
ipworksssh_sftp_get($res, 44 ); ipworksssh_sftp_set($res, 44, $value );
Default Value
''
Remarks
The RemoteFile is either an absolute file path, or a relative path based on RemotePath.
A number of methods use RemoteFile as an argument.
Example (Setting RemoteFile)
SFTPControl.Localfile = "C:\localfile.txt"
SFTPControl.RemoteFile = "remotefile.txt"
SFTPControl.Download()
SFTPControl.Localfile = "C:\localfile2.txt"
SFTPControl.RemoteFile = "folder/remotefile2.txt"
SFTPControl.Download()
Note: This property will also act as a file mask when performing ListDirectory.
Example (Using RemoteFile as a file mask):
SFTPControl.RemoteFile = "*.txt"
SFTPControl.ListDirectory()
The following special characters are supported for pattern matching:
? | Any single character. |
* | Any characters or no characters (e.g., C*t matches Cat, Cot, Coast, Ct). |
[,-] | A range of characters (e.g., [a-z], [a], [0-9], [0-9,a-d,f,r-z]). |
\ | The slash is ignored and exact matching is performed on the next character. |
If these characters need to be used as a literal in a pattern, then they must be escaped by surrounding them with brackets []. Note: "]" and "-" do not need to be escaped. See below for the escape sequences:
Character | Escape Sequence |
? | [?] |
* | [*] |
[ | [[] |
\ | [\] |
For example, to match the value [Something].txt, specify the pattern [[]Something].txt.
Data Type
String
RemotePath Property (IPWorksSSH_SFTP Class)
The current path in the SFTP server.
Object Oriented Interface
public function getRemotePath(); public function setRemotePath($value);
Procedural Interface
ipworksssh_sftp_get($res, 45 ); ipworksssh_sftp_set($res, 45, $value );
Default Value
''
Remarks
The RemotePath shows the current working directory on the SFTP server. It can also be used to change the working directory by setting it to an absolute directory path, or a relative path with respect to the existing value of RemotePath.
If the first two bytes of the new path are "..", then a change to one level above in the directory tree is performed.
Setting RemotePath causes the class to send the appropriate command to the remote server only if connected.
Example (Changing Directory)
sftp1.SSHLogon("sftp.server.net", 22);
sftp1.ChangeRemotePath("/home/user");
Note:It is recommended to use the ChangeRemotePath method instead of setting this property.
Data Type
String
SSHAcceptServerHostKeyEncoded Property (IPWorksSSH_SFTP Class)
This is the certificate (PEM/Base64 encoded).
Object Oriented Interface
public function getSSHAcceptServerHostKeyEncoded(); public function setSSHAcceptServerHostKeyEncoded($value);
Procedural Interface
ipworksssh_sftp_get($res, 47 ); ipworksssh_sftp_set($res, 47, $value );
Default Value
''
Remarks
This is the certificate (PEM/Base64 encoded). This property is used to assign a specific certificate. The SSHAcceptServerHostKeyStore and SSHAcceptServerHostKeySubject properties also may be used to specify a certificate.
When SSHAcceptServerHostKeyEncoded is set, a search is initiated in the current SSHAcceptServerHostKeyStore for the private key of the certificate. If the key is found, SSHAcceptServerHostKeySubject is updated to reflect the full subject of the selected certificate; otherwise, SSHAcceptServerHostKeySubject is set to an empty string.
This property is not available at design time.
Data Type
Binary String
SSHAuthMode Property (IPWorksSSH_SFTP Class)
The authentication method to be used the class when calling SSHLogon .
Object Oriented Interface
public function getSSHAuthMode(); public function setSSHAuthMode($value);
Procedural Interface
ipworksssh_sftp_get($res, 74 ); ipworksssh_sftp_set($res, 74, $value );
Default Value
2
Remarks
The SSH Authentication specification (RFC 4252) specifies multiple methods by which a user can be authenticated by an SSH server. When a call is made to SSHLogon, the class will connect to the SSH server and establish the security layer. After the connection has been secured, the client will send an authentication request to the SSHHost containing the SSHUser. The server will respond containing a list of methods by which that user may be authenticated.
The class will attempt to authenticate the user by one of those methods based on the value of SSHAuthMode and other property values supplied by the user. Currently, the class supports the following authentication methods:
amNone (0) | No authentication will be performed. The current SSHUser value is ignored, and the connection will be logged in as anonymous. |
amMultiFactor (1) | This allows the class to attempt a multi-step authentication process. The class will send authentication data to the server based on the list of methods allowed for the current user and the authentication property values supplied. The class will continue to send authentication data until the server acknowledges authentication success. If the server rejects an authentication step, the class fails with an error. |
amPassword (2) | The class will use the values of SSHUser and SSHPassword to authenticate the user. |
amPublicKey (3) | The class will use the values of SSHUser and the SSHCert* properties to authenticate the user. the SSHCert* properties must have a private key available for this authentication method to succeed. |
amKeyboardInteractive (4) | At the time of authentication, the class will fire the SSHKeyboardInteractive event containing instructions on how to complete the authentication step. (NOTE: amKeyboardInteractive is not supported in SSHTunnel). |
amGSSAPIWithMic (5) | This allows the class to attempt Kerberos authentication using the GSSAPI-WITH-MIC scheme. The client will try Kerberos authentication using the value of SSHUser (single sign-on), or if SSHPassword is specified as well, it will try Kerberos authentication with alternate credentials. This is currently supported only on Windows, unless using the Java edition, which also provides support for Linux and macOS. |
amCustom (6) | This allows the class caller to take over the authentication process completely. When amCustom is set, the class will fire the SSHCustomAuth event as necessary to complete the authentication process. |
amGSSAPIKeyex (7) | This allows the class to attempt Kerberos authentication using the GSSAPIKeyex scheme. The client will try Kerberos authentication using the value of SSHUser (single sign-on), or if SSHPassword is specified as well, it will try Kerberos authentication with alternate credentials. This is currently supported only on Windows, unless using the Java edition, which also provides support for Linux and macOS. |
Example (User/Password Auth):
Control.SSHAuthMode = SftpSSHAuthModes.amPassword
Control.SSHUser = "username"
Control.SSHPassword = "password"
Control.SSHLogon("server", 22)
Example (Public Key Auth):
Control.SSHAuthMode = SftpSSHAuthModes.amPublicKey
Control.SSHUser = "username"
Control.SSHCertStoreType = SSHCertStoreTypes.cstPFXFile;
Control.SSHCertStore = "cert.pfx";
Control.SSHCertStorePassword = "certpassword";
Control.SSHCertSubject = "*";
Control.SSHLogon("server", 22)
Data Type
Integer
SSHCertEncoded Property (IPWorksSSH_SFTP Class)
This is the certificate (PEM/Base64 encoded).
Object Oriented Interface
public function getSSHCertEncoded(); public function setSSHCertEncoded($value);
Procedural Interface
ipworksssh_sftp_get($res, 76 ); ipworksssh_sftp_set($res, 76, $value );
Default Value
''
Remarks
This is the certificate (PEM/Base64 encoded). This property is used to assign a specific certificate. The SSHCertStore and SSHCertSubject properties also may be used to specify a certificate.
When SSHCertEncoded is set, a search is initiated in the current SSHCertStore for the private key of the certificate. If the key is found, SSHCertSubject is updated to reflect the full subject of the selected certificate; otherwise, SSHCertSubject is set to an empty string.
This property is not available at design time.
Data Type
Binary String
SSHCertStore Property (IPWorksSSH_SFTP Class)
This is the name of the certificate store for the client certificate.
Object Oriented Interface
public function getSSHCertStore(); public function setSSHCertStore($value);
Procedural Interface
ipworksssh_sftp_get($res, 92 ); ipworksssh_sftp_set($res, 92, $value );
Default Value
'MY'
Remarks
This is the name of the certificate store for the client certificate.
The SSHCertStoreType property denotes the type of the certificate store specified by SSHCertStore. If the store is password protected, specify the password in SSHCertStorePassword.
SSHCertStore is used in conjunction with the SSHCertSubject property to specify client certificates. If SSHCertStore has a value, and SSHCertSubject or SSHCertEncoded is set, a search for a certificate is initiated. Please see the SSHCertSubject property for details.
Designations of certificate stores are platform dependent.
The following designations are the most common User and Machine certificate stores in Windows:
MY | A certificate store holding personal certificates with their associated private keys. |
CA | Certifying authority certificates. |
ROOT | Root certificates. |
When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 certificate store).
Data Type
Binary String
SSHCertStorePassword Property (IPWorksSSH_SFTP Class)
If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.
Object Oriented Interface
public function getSSHCertStorePassword(); public function setSSHCertStorePassword($value);
Procedural Interface
ipworksssh_sftp_get($res, 93 ); ipworksssh_sftp_set($res, 93, $value );
Default Value
''
Remarks
If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.
Data Type
String
SSHCertStoreType Property (IPWorksSSH_SFTP Class)
This is the type of certificate store for this certificate.
Object Oriented Interface
public function getSSHCertStoreType(); public function setSSHCertStoreType($value);
Procedural Interface
ipworksssh_sftp_get($res, 94 ); ipworksssh_sftp_set($res, 94, $value );
Default Value
0
Remarks
This is the type of certificate store for this certificate.
The class supports both public and private keys in a variety of formats. When the cstAuto value is used, the class will automatically determine the type. This property can take one of the following values:
0 (cstUser - default) | For Windows, this specifies that the certificate store is a certificate store owned by the current user.
Note: This store type is not available in Java. |
1 (cstMachine) | For Windows, this specifies that the certificate store is a machine store.
Note: This store type is not available in Java. |
2 (cstPFXFile) | The certificate store is the name of a PFX (PKCS#12) file containing certificates. |
3 (cstPFXBlob) | The certificate store is a string (binary or Base64-encoded) representing a certificate store in PFX (PKCS#12) format. |
4 (cstJKSFile) | The certificate store is the name of a Java Key Store (JKS) file containing certificates.
Note: This store type is only available in Java. |
5 (cstJKSBlob) | The certificate store is a string (binary or Base64-encoded) representing a certificate store in Java Key Store (JKS) format.
Note: this store type is only available in Java. |
6 (cstPEMKeyFile) | The certificate store is the name of a PEM-encoded file that contains a private key and an optional certificate. |
7 (cstPEMKeyBlob) | The certificate store is a string (binary or Base64-encoded) that contains a private key and an optional certificate. |
8 (cstPublicKeyFile) | The certificate store is the name of a file that contains a PEM- or DER-encoded public key certificate. |
9 (cstPublicKeyBlob) | The certificate store is a string (binary or Base64-encoded) that contains a PEM- or DER-encoded public key certificate. |
10 (cstSSHPublicKeyBlob) | The certificate store is a string (binary or Base64-encoded) that contains an SSH-style public key. |
11 (cstP7BFile) | The certificate store is the name of a PKCS#7 file containing certificates. |
12 (cstP7BBlob) | The certificate store is a string (binary) representing a certificate store in PKCS#7 format. |
13 (cstSSHPublicKeyFile) | The certificate store is the name of a file that contains an SSH-style public key. |
14 (cstPPKFile) | The certificate store is the name of a file that contains a PPK (PuTTY Private Key). |
15 (cstPPKBlob) | The certificate store is a string (binary) that contains a PPK (PuTTY Private Key). |
16 (cstXMLFile) | The certificate store is the name of a file that contains a certificate in XML format. |
17 (cstXMLBlob) | The certificate store is a string that contains a certificate in XML format. |
18 (cstJWKFile) | The certificate store is the name of a file that contains a JWK (JSON Web Key). |
19 (cstJWKBlob) | The certificate store is a string that contains a JWK (JSON Web Key). |
21 (cstBCFKSFile) | The certificate store is the name of a file that contains a BCFKS (Bouncy Castle FIPS Key Store).
Note: This store type is only available in Java and .NET. |
22 (cstBCFKSBlob) | The certificate store is a string (binary or Base64-encoded) representing a certificate store in BCFKS (Bouncy Castle FIPS Key Store) format.
Note: This store type is only available in Java and .NET. |
23 (cstPKCS11) | The certificate is present on a physical security key accessible via a PKCS#11 interface.
To use a security key, the necessary data must first be collected using the CertMgr class. The ListStoreCertificates method may be called after setting CertStoreType to cstPKCS11, CertStorePassword to the PIN, and CertStore to the full path of the PKCS#11 DLL. The certificate information returned in the CertList event's CertEncoded parameter may be saved for later use. When using a certificate, pass the previously saved security key information as the SSHCertStore and set SSHCertStorePassword to the PIN. Code Example. SSH Authentication with Security Key:
|
99 (cstAuto) | The store type is automatically detected from the input data. This setting may be used with both public and private keys and can detect any of the supported formats automatically. |
Data Type
Integer
SSHCertSubject Property (IPWorksSSH_SFTP Class)
This is the subject of the certificate used for client authentication.
Object Oriented Interface
public function getSSHCertSubject(); public function setSSHCertSubject($value);
Procedural Interface
ipworksssh_sftp_get($res, 95 ); ipworksssh_sftp_set($res, 95, $value );
Default Value
''
Remarks
This is the subject of the certificate used for client authentication.
This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a matching subject.
If a matching certificate is found, the property is set to the full subject of the matching certificate.
If an exact match is not found, the store is searched for subjects containing the value of the property.
If a match is still not found, the property is set to an empty string, and no certificate is selected.
The special value "*" picks a random certificate in the certificate store.
The certificate subject is a comma-separated list of distinguished name fields and values. For instance, "CN=www.server.com, OU=test, C=US, E=support@nsoftware.com". Common fields and their meanings are as follows:
Field | Meaning |
CN | Common Name. This is commonly a hostname like www.server.com. |
O | Organization |
OU | Organizational Unit |
L | Locality |
S | State |
C | Country |
E | Email Address |
If a field value contains a comma, it must be quoted.
Data Type
String
SSHCompressionAlgorithms Property (IPWorksSSH_SFTP Class)
A comma-separated list containing all allowable compression algorithms.
Object Oriented Interface
public function getSSHCompressionAlgorithms(); public function setSSHCompressionAlgorithms($value);
Procedural Interface
ipworksssh_sftp_get($res, 103 ); ipworksssh_sftp_set($res, 103, $value );
Default Value
'none,zlib'
Remarks
During the SSH handshake, this list will be used to negotiate the compression algorithm to be used between the client and server. This list is used for both directions: client to server and server to client. When negotiating algorithms, each side sends a list of all algorithms it supports or allows. The algorithm chosen for each direction is the first algorithm to appear in the sender's list that the receiver supports, so it is important to list multiple algorithms in preferential order. If no algorithm can be agreed upon, the class will raise an error and the connection will be aborted.
At least one supported algorithm must appear in this list. The following compression algorithms are supported by the class:
- zlib
- zlib@openssh.com
- none
Data Type
String
SSHEncryptionAlgorithms Property (IPWorksSSH_SFTP Class)
A comma-separated list containing all allowable encryption algorithms.
Object Oriented Interface
public function getSSHEncryptionAlgorithms(); public function setSSHEncryptionAlgorithms($value);
Procedural Interface
ipworksssh_sftp_get($res, 104 ); ipworksssh_sftp_set($res, 104, $value );
Default Value
'aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,arcfour256,arcfour128,arcfour,cast128-cbc,aes256-gcm@openssh.com,aes128-gcm@openssh.com,chacha20-poly1305@openssh.com'
Remarks
During the SSH handshake, this list will be used to negotiate the encryption algorithm to be used between the client and server. This list is used for both directions: client to server and server to client. When negotiating algorithms, each side sends a list of all algorithms it supports or allows. The algorithm chosen for each direction is the first algorithm to appear in the sender's list that the receiver supports, so it is important to list multiple algorithms in preferential order. If no algorithm can be agreed upon, the class will raise an error and the connection will be aborted.
At least one supported algorithm must appear in this list. The following encryption algorithms are supported by the class:
aes256-ctr | 256-bit AES encryption in CTR mode |
aes256-cbc | 256-bit AES encryption in CBC mode |
aes192-ctr | 192-bit AES encryption in CTR mode |
aes192-cbc | 192-bit AES encryption in CBC mode |
aes128-ctr | 128-bit AES encryption in CTR mode |
aes128-cbc | 128-bit AES encryption in CBC mode |
3des-ctr | 192-bit (3-key) triple DES encryption in CTR mode |
3des-cbc | 192-bit (3-key) triple DES encryption in CBC mode |
cast128-cbc | CAST-128 encryption |
blowfish-cbc | Blowfish encryption |
arcfour | ARC4 encryption |
arcfour128 | 128-bit ARC4 encryption |
arcfour256 | 256-bit ARC4 encryption |
aes256-gcm@openssh.com | 256-bit AES encryption in GCM mode. |
aes128-gcm@openssh.com | 128-bit AES encryption in GCM mode. |
chacha20-poly1305@openssh.com | ChaCha20 with Poly1305-AES encryption. |
Data Type
String
SSHHost Property (IPWorksSSH_SFTP Class)
The address of the SSH host.
Object Oriented Interface
public function getSSHHost(); public function setSSHHost($value);
Procedural Interface
ipworksssh_sftp_get($res, 105 ); ipworksssh_sftp_set($res, 105, $value );
Default Value
''
Remarks
The SSHHost property specifies the IP address (IP number in dotted internet format) or Domain Name of the remote host. It is set before a connection is attempted and cannot be changed once a connection is established.
If the SSHHost property is set to a Domain Name, a DNS request is initiated, and upon successful termination of the request, the SSHHost property is set to the corresponding address. If the search is not successful, an error is returned.
The SSHHost must be the same host that will be assumed for SSH as for the remote service being connected to.
Data Type
String
SSHPassword Property (IPWorksSSH_SFTP Class)
The password for SSH password-based authentication.
Object Oriented Interface
public function getSSHPassword(); public function setSSHPassword($value);
Procedural Interface
ipworksssh_sftp_get($res, 106 ); ipworksssh_sftp_set($res, 106, $value );
Default Value
''
Remarks
SSHPassword specifies the password which is used to authenticate the client to the SSH server.
Data Type
String
SSHPort Property (IPWorksSSH_SFTP Class)
The port on the SSH server where the SSH service is running; by default, 22.
Object Oriented Interface
public function getSSHPort(); public function setSSHPort($value);
Procedural Interface
ipworksssh_sftp_get($res, 107 ); ipworksssh_sftp_set($res, 107, $value );
Default Value
22
Remarks
The SSHPort specifies a service port on the SSH host to connect to.
A valid port number (a value between 1 and 65535) is required for the connection to take place. The property must be set before a connection is attempted and cannot be changed once a connection is established. Any attempt to change this property while connected will fail with an error.
Data Type
Integer
SSHUser Property (IPWorksSSH_SFTP Class)
The username for SSH authentication.
Object Oriented Interface
public function getSSHUser(); public function setSSHUser($value);
Procedural Interface
ipworksssh_sftp_get($res, 108 ); ipworksssh_sftp_set($res, 108, $value );
Default Value
''
Remarks
SSHUser specifies the username which is used to authenticate the client to the SSH server. This property is required.
Example (User/Password Auth):
Control.SSHAuthMode = SftpSSHAuthModes.amPassword
Control.SSHUser = "username"
Control.SSHPassword = "password"
Control.SSHLogon("server", 22)
Example (Public Key Auth):
Control.SSHAuthMode = SftpSSHAuthModes.amPublicKey
Control.SSHUser = "username"
Control.SSHCertStoreType = SSHCertStoreTypes.cstPFXFile;
Control.SSHCertStore = "cert.pfx";
Control.SSHCertStorePassword = "certpassword";
Control.SSHCertSubject = "*";
Control.SSHLogon("server", 22)
Data Type
String
StartByte Property (IPWorksSSH_SFTP Class)
The offset in bytes at which to begin the Upload or Download.
Object Oriented Interface
public function getStartByte(); public function setStartByte($value);
Procedural Interface
ipworksssh_sftp_get($res, 109 ); ipworksssh_sftp_set($res, 109, $value );
Default Value
0
Remarks
The StartByte property is used by the Upload and Download methods to determine at what offset to begin the transfer. This allows for resuming both uploads and downloads. The value of this property is reset to 0 after a successful transfer. StartByte is not valid for use with Append.
When downloading, this property can be used in conjunction with the TransferredDataLimit configuration setting in order to only download a specific range of data from the current RemoteFile.
Data Type
Long64
Timeout Property (IPWorksSSH_SFTP Class)
A timeout for the class.
Object Oriented Interface
public function getTimeout(); public function setTimeout($value);
Procedural Interface
ipworksssh_sftp_get($res, 110 ); ipworksssh_sftp_set($res, 110, $value );
Default Value
60
Remarks
If the Timeout property is set to 0, all operations will run uninterrupted until successful completion or an error condition is encountered.
If Timeout is set to a positive value, the class will wait for the operation to complete before returning control.
The class will use DoEvents to enter an efficient wait loop during any potential waiting period, making sure that all system events are processed immediately as they arrive. This ensures that the host application does not "freeze" and remains responsive.
If Timeout expires, and the operation is not yet complete, the class fails with an error.
Please note that by default, all timeouts are inactivity timeouts, i.e. the timeout period is extended by Timeout seconds when any amount of data is successfully sent or received.
The default value for the Timeout property is 60 seconds.
Data Type
Integer
Append Method (IPWorksSSH_SFTP Class)
Append data from LocalFile to a remote file RemoteFile on an SFTP server.
Object Oriented Interface
public function doAppend();
Procedural Interface
ipworksssh_sftp_do_append($res);
Remarks
Similar to the Upload method but the local file specified by LocalFile is appended to RemoteFile on the server as opposed to replacing it as done by the Upload method. RemoteFile is either an absolute path on the server, or a path relative to RemotePath. The server will create a file with that name if it doesn't already exist (similar to Upload).
If there is no SSH session in place, one is automatically created by the component first.
ChangeRemotePath Method (IPWorksSSH_SFTP Class)
Changes the current path on the server.
Object Oriented Interface
public function doChangeRemotePath($remotepath);
Procedural Interface
ipworksssh_sftp_do_changeremotepath($res, $remotepath);
Remarks
This method changes the current path on the server to the specified RemotePath. When called, the class will issue a command to the server to change the directory. The RemotePath parameter may hold an absolute or relative path.
Absolute Paths
If the path begins with a / it is considered and absolute path and must specify the entire path from the root of the server. For instance:
component.ChangeRemotePath("/home/testuser/myfolder");
Relative Paths
If the path does not begin with a / it is considered a relative path and is resolved in relation to the current directory. For instance a value of myfolder will indicate a sub-folder of the current directory. The special value .. refers to the parent directory of the current path. For instance:
//Change to the 'myfolder' sub-directory
component.ChangeRemotePath("myfolder");
//Navigate up two levels and then into the 'another/folder' path.
component.ChangeRemotePath("../../another/folder");
CheckFileExists Method (IPWorksSSH_SFTP Class)
Returns if the file specified by RemoteFile exists on the remote server.
Object Oriented Interface
public function doCheckFileExists();
Procedural Interface
ipworksssh_sftp_do_checkfileexists($res);
Remarks
This property returns true if the file exists on the remote server. It returns false if the file does not exist. You must specify the file you wish to check by setting the RemoteFile prior to calling this method.
If there is no session in place, the value of this property will always be false.
Config Method (IPWorksSSH_SFTP Class)
Sets or retrieves a configuration setting.
Object Oriented Interface
public function doConfig($configurationstring);
Procedural Interface
ipworksssh_sftp_do_config($res, $configurationstring);
Remarks
Config is a generic method available in every class. It is used to set and retrieve configuration settings for the class.
These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.
To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).
To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.
Connect Method (IPWorksSSH_SFTP Class)
Connects to the SSH host without logging in.
Object Oriented Interface
public function doConnect();
Procedural Interface
ipworksssh_sftp_do_connect($res);
Remarks
This method establishes a connection with the SSHHost but does not log in. In most cases it is recommended to use the SSHLogon method which will both establish a connection and log in to the server.
This method may be useful in cases where it is desirable to separate the connection and logon operations, for instance confirming a host is available by first creating the connection.
CreateFile Method (IPWorksSSH_SFTP Class)
Creates a file on the SFTP server.
Object Oriented Interface
public function doCreateFile($filename);
Procedural Interface
ipworksssh_sftp_do_createfile($res, $filename);
Remarks
This method creates an empty file on the server with the name specified by the FileName parameter.
To upload a file with content use Upload instead.
DecodePacket Method (IPWorksSSH_SFTP Class)
Decodes a hex-encoded SSH packet.
Object Oriented Interface
public function doDecodePacket($encodedpacket);
Procedural Interface
ipworksssh_sftp_do_decodepacket($res, $encodedpacket);
Remarks
This method is used to decode an SSH packet created by EncodePacket.
Note: This method is only applicable for reading and creating SSH packets for use within the SSHCustomAuth event.
DeleteFile Method (IPWorksSSH_SFTP Class)
Remove a file specified by FileName from an SFTP server.
Object Oriented Interface
public function doDeleteFile($filename);
Procedural Interface
ipworksssh_sftp_do_deletefile($res, $filename);
Remarks
The remote file or directory specified by FileName is deleted. FileName is either an absolute path on the server, or a path relative to RemotePath.
If there is no SSH session in place, one is automatically created by the component first.
Disconnect Method (IPWorksSSH_SFTP Class)
This method disconnects from the server without first logging off.
Object Oriented Interface
public function doDisconnect();
Procedural Interface
ipworksssh_sftp_do_disconnect($res);
Remarks
This method immediately disconnects from the server without first logging off.
In most cases the SSHLogoff method should be used to logoff and disconnect from the server. Call the Disconnect method in cases where it is desirable to immediately disconnect without first logging off.
DoEvents Method (IPWorksSSH_SFTP Class)
Processes events from the internal message queue.
Object Oriented Interface
public function doEvents();
Procedural Interface
ipworksssh_sftp_do_doevents($res);
Remarks
When DoEvents is called, the class processes any available events. If no events are available, it waits for a preset period of time, and then returns.
Download Method (IPWorksSSH_SFTP Class)
Download a RemoteFile from an SFTP server.
Object Oriented Interface
public function doDownload();
Procedural Interface
ipworksssh_sftp_do_download($res);
Remarks
The remote file specified by RemoteFile is downloaded to the local file specified by LocalFile, or it is retrieved through the Transfer event, if the LocalFile property is "" (empty string). RemoteFile is either an absolute path on the server, or a path relative to RemotePath.
If there is no SSH session in place, one is automatically created by the component first.
Example (Download a File)
SFTPControl.Localfile = "C:\localfile.txt"
SFTPControl.RemoteFile = "remotefile.txt"
SFTPControl.Download()
SFTPControl.Localfile = "C:\localfile2.txt"
SFTPControl.RemoteFile = "folder/remotefile2.txt"
SFTPControl.Download()
EncodePacket Method (IPWorksSSH_SFTP Class)
Hex encodes an SSH packet.
Object Oriented Interface
public function doEncodePacket($packet);
Procedural Interface
ipworksssh_sftp_do_encodepacket($res, $packet);
Remarks
This method is used to encode a raw SSH packet created by SetSSHParam.
Note: This method is only applicable for reading and creating SSH packets for use within the SSHCustomAuth event.
GetSSHParam Method (IPWorksSSH_SFTP Class)
Used to read a field from an SSH packet's payload.
Object Oriented Interface
public function doGetSSHParam($payload, $field);
Procedural Interface
ipworksssh_sftp_do_getsshparam($res, $payload, $field);
Remarks
This method is used to read the value of a particular field from an SSH packet's payload. Payload should contain the full payload of a packet received by an event such as SSHChannelRequest. Field is the name of a field to be read out of the packet.
The following is a list of the names of well-known channel request field names and their encodings:
ChannelId (int32) | The id of the channel that received the packet. |
RequestType (string) | The type of channel request. |
WantsReply (boolean) | Whether or not the client wants a reply to the request. |
The remaining fields that are available in the payload are dependent upon the value of RequestType.
pty-req
Pty-req is a request to open a pseudo terminal on the specified channel. The following fields are available:
TerminalType (string) | The type of terminal being requested (eg: "vt100"). |
TerminalWidthCharacters (int32) | The width, in characters, of the terminal to be opened. |
TerminalHeightRows (int32) | The height, in rows, of the terminal to be opened. |
TerminalWidthPixels (int32) | The width, in pixels, of the terminal to be opened. |
TerminalHeightPixels (int32) | The height, in pixels, of the terminal to be opened. |
TerminalModes (string) | A list of op-val (int32-byte) encoded modes to be used by the terminal. |
x11-req
X11-req is a request to forward x11 sessions over a channel. The following fields are available:
SingleConnection (boolean) | Disallows more than one connection to be forwarded by the channel. |
X11AuthProtocol (string) | The authentication protocol to be used (eg: "MIT-MAGIC-COOKIE-1"). |
X11AuthCookie (string) | A hexadecimal-encoded cookie to be used for authentication. |
X11ScreenNumber (int32) | The x11 screen number to be used. |
env
Env is a request to set an environment variable to be passed into a shell that may be started later. The following fields are available:
VariableName (string) | The name of the variable to be set. |
VariableValue (string) | The value of the variable to be set. |
exec
Exec is a request to execute a command on the channel using the authenticated user's shell. The following field is available:
Command (string) | The command to be executed. |
subsystem
Subsystem is a request to start a subsystem on the specified channel. The following field is available:
Subsystem (string) | The name of the subsystem to be started (eg: "sftp"). |
xon-xoff
Instructs the server to allow or disallow control-S/control-Q style flow control. The following field is available:
ClientCanDo (boolean) | Whether or not the server should enable flow control. |
signal
Sends a signal to the remote process/service. The following field is available:
SignalName (string) | The name of the signal to be sent. |
If the packet type is not well known, Field should start with the special character "%" and contain a comma-separated list of field types as defined in SetSSHParam. For example, reading out the X11AuthProtocol of an x11-req payload, you can use "%s,f".
Note: the return value is a string encoded the same way as the FieldValue param in SetSSHParam.
Note: This method is only applicable for reading and creating SSH packets for use within the SSHCustomAuth event.
GetSSHParamBytes Method (IPWorksSSH_SFTP Class)
Used to read a field from an SSH packet's payload.
Object Oriented Interface
public function doGetSSHParamBytes($payload, $field);
Procedural Interface
ipworksssh_sftp_do_getsshparambytes($res, $payload, $field);
Remarks
This method is the same as calling GetSSHParam, but returns raw bytes instead of strings.
Note: This method is only applicable for reading and creating SSH packets for use within the SSHCustomAuth event.
Interrupt Method (IPWorksSSH_SFTP Class)
Interrupt the current method.
Object Oriented Interface
public function doInterrupt();
Procedural Interface
ipworksssh_sftp_do_interrupt($res);
Remarks
If there is no method in progress, Interrupt simply returns, doing nothing.
ListDirectory Method (IPWorksSSH_SFTP Class)
List the current directory specified by RemotePath on an SFTP server.
Object Oriented Interface
public function doListDirectory();
Procedural Interface
ipworksssh_sftp_do_listdirectory($res);
Remarks
A listing is requested for the directory (or file mask) specified in RemoteFile. RemoteFile is either an absolute path on the server, or a path relative to RemotePath. The file listing is received through the DirList event.
If there is no SSH session in place, one is automatically created by the component first.
MakeDirectory Method (IPWorksSSH_SFTP Class)
Create a directory on an SFTP server.
Object Oriented Interface
public function doMakeDirectory($newdir);
Procedural Interface
ipworksssh_sftp_do_makedirectory($res, $newdir);
Remarks
A directory with path specified by NewDir is created on the SFTP server. NewDir is either an absolute path on the server, or a path relative to RemotePath.
If there is no SSH session in place, one is automatically created by the component first.
QueryFileAttributes Method (IPWorksSSH_SFTP Class)
Queries the server for the attributes of RemoteFile .
Object Oriented Interface
public function doQueryFileAttributes();
Procedural Interface
ipworksssh_sftp_do_queryfileattributes($res);
Remarks
This method queries the server for attributes of RemoteFile. After calling this method FileAttributes will be populated with the values returned by the server.
To update attributes modify the desired values in FileAttributes and call UpdateFileAttributes.
QueueFile Method (IPWorksSSH_SFTP Class)
Adds a file to the transfer queue.
Object Oriented Interface
public function doQueueFile($localfile, $remotefile);
Procedural Interface
ipworksssh_sftp_do_queuefile($res, $localfile, $remotefile);
Remarks
This method adds a file to the queue of files that will be transferred.
It is not required to use this method, however this extends the ability of the class to allow for multiple simultaneous file transfers.
To simply transfer a file without using this method you need only set LocalFile, RemoteFile, and call Upload or Download as appropriate. This method allows you to instead queue multiple files before beginning a transfer.
When a file is queued it will not be transferred until the Upload or Download method is called. If multiple files are queued the files will be transferred simultaneously. The SimultaneousTransferLimit setting controls the maximum number of simultaneous transfers.
The Upload or Download method will not return until the Queue has been completely processed. This method may be called from within events in order to add additional files to the Queue before processing is complete.
To clear the queue call ResetQueue. This will not affect current transfers.
To cancel and individual file transfer set the Cancel parameter of the Transfer event to true. The rest of the queue will continue to process as normal.
The Interrupt method may be called to immediately stop all current transfers.
In the event of a file specific error the Error event will fire and the LocalFile and RemoteFile event parameters can be used to identify the file to which the error applies.
RemoveDirectory Method (IPWorksSSH_SFTP Class)
Remove a directory specified by DirName from an SFTP server.
Object Oriented Interface
public function doRemoveDirectory($dirname);
Procedural Interface
ipworksssh_sftp_do_removedirectory($res, $dirname);
Remarks
A directory with path specified by DirName is deleted on the SFTP server. DirName is either an absolute path on the server, or a path relative to RemotePath.
If there is no SSH session in place, one is automatically created by the component first.
RenameFile Method (IPWorksSSH_SFTP Class)
Change the name of RemoteFile to NewName .
Object Oriented Interface
public function doRenameFile($newname);
Procedural Interface
ipworksssh_sftp_do_renamefile($res, $newname);
Remarks
The name of remote file or folder specified by RemoteFile is changed to NewName. RemoteFile and NewName are either absolute paths on the server, or a path relative to RemotePath.
If there is no SSH session in place, one is automatically created by the component first.
Reset Method (IPWorksSSH_SFTP Class)
Reset the class.
Object Oriented Interface
public function doReset();
Procedural Interface
ipworksssh_sftp_do_reset($res);
Remarks
This method will reset the class's properties to their default values.
ResetQueue Method (IPWorksSSH_SFTP Class)
Resets the queue of files to be transferred.
Object Oriented Interface
public function doResetQueue();
Procedural Interface
ipworksssh_sftp_do_resetqueue($res);
Remarks
This method will remove all files from the transfer queue.
Calling this method will clear all files that were queued by QueueFile. Calling this method will not affect current transfers.
SetSSHParam Method (IPWorksSSH_SFTP Class)
Used to write a field to the end of a payload.
Object Oriented Interface
public function doSetSSHParam($payload, $fieldtype, $fieldvalue);
Procedural Interface
ipworksssh_sftp_do_setsshparam($res, $payload, $fieldtype, $fieldvalue);
Remarks
This method is used to build the payload portion of an SSH packet to be sent later by a call to SendSSHPacket. Payload should contain the result of a previous call to SetSSHParam. FieldType is a string defining the type of field to be written to the packet. FieldValue should be the string representation of the field to be written.
The following is a list of supported field types and a description of how FieldValue should be encoded:
s | A plaintext string containing the default system encoding of the data. |
sb | A string containing the hex encoded data. (eg: "A1B23C") |
m | A variable-length large integer, encoded as a textual representation of the value ("1234"). |
i | A 32-bit integer, encoded as a textual representation of the value (eg: "1234"). |
l | A 64-bit integer, encoded as a textual representation of the value (eg: "1234"). |
b | A single byte, encoded as a textual representation of the value (eg: "123"). |
f | A boolean flag, encoded as a textual representation of the value (eg: 'true' or 'false') |
Note: integer values may be encoded in hexadecimal by prefixing "0x" to the beginning of the string, otherwise the value is assumed to be base-10.
Note: This method is only applicable for reading and creating SSH packets for use within the SSHCustomAuth event.
SSHLogoff Method (IPWorksSSH_SFTP Class)
Logoff from the SSH server.
Object Oriented Interface
public function doSSHLogoff();
Procedural Interface
ipworksssh_sftp_do_sshlogoff($res);
Remarks
Logoff from the SSH server. If that fails, the connection is terminated by the local host.
SSHLogon Method (IPWorksSSH_SFTP Class)
Logon to the SSHHost using the current SSHUser and SSHPassword .
Object Oriented Interface
public function doSSHLogon($sshhost, $sshport);
Procedural Interface
ipworksssh_sftp_do_sshlogon($res, $sshhost, $sshport);
Remarks
Logon to the SSH server using the current SSHUser and SSHPassword. This will perform the SSH handshake and authentication.
Example (Logging On)
SSHClient.SSHUser = "username"
SSHClient.SSHPassword = "password"
SSHClient.SSHLogon("sshHost", sshPort)
UpdateFileAttributes Method (IPWorksSSH_SFTP Class)
Instructs the class to send the FileAttributes to the server.
Object Oriented Interface
public function doUpdateFileAttributes();
Procedural Interface
ipworksssh_sftp_do_updatefileattributes($res);
Remarks
When UpdateFileAttributes is called, the class will send the values of the following properties to the server:
- FileAccessTime
- FileACL
- FileAllocationSize
- FileAttributeBits
- FileAttributeBitsValid
- FileCreationTime
- FileType
- FileGroupId
- FileIsDir
- FileModifiedTime
- FileOwnerId
- FilePermissions
- FileSize
Upload Method (IPWorksSSH_SFTP Class)
Upload a file specified by LocalFile to an SFTP server.
Object Oriented Interface
public function doUpload();
Procedural Interface
ipworksssh_sftp_do_upload($res);
Remarks
The local file specified by LocalFile is uploaded to the remote file specified by RemoteFile. RemoteFile is either an absolute path on the server, or a path relative to RemotePath.
If there is no SSH session in place, one is automatically created by the component first.
If you want to append to a server file, please refer to the Append method.
Example (Upload a File)
FTPControl.LocalFile = "C:\\localfile.txt"
FTPControl.RemoteFile = "remotefile.txt"
FTPControl.Upload()
FTPControl.LocalFile = "C:\\localfile2.txt"
FTPControl.RemoteFile = "folder/remotefile2.txt"
FTPControl.Upload()
Connected Event (IPWorksSSH_SFTP Class)
This event is fired immediately after a connection completes (or fails).
Object Oriented Interface
public function fireConnected($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 1, array($this, 'fireConnected'));
Parameter List
'statuscode'
'description'
Remarks
If the connection is made normally, StatusCode is 0 and Description is "OK".
If the connection fails, StatusCode has the error code returned by the Transmission Control Protocol (TCP)/IP stack. Description contains a description of this code. The value of StatusCode is equal to the value of the error.
Please refer to the Error Codes section for more information.
ConnectionStatus Event (IPWorksSSH_SFTP Class)
This event is fired to indicate changes in the connection state.
Object Oriented Interface
public function fireConnectionStatus($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 2, array($this, 'fireConnectionStatus'));
Parameter List
'connectionevent'
'statuscode'
'description'
Remarks
The ConnectionStatus event is fired when the connection state changes: for example, completion of a firewall or proxy connection or completion of a security handshake.
The ConnectionEvent parameter indicates the type of connection event. Values may include the following:
Firewall connection complete. | |
Secure Sockets Layer (SSL) or S/Shell handshake complete (where applicable). | |
Remote host connection complete. | |
Remote host disconnected. | |
SSL or S/Shell connection broken. | |
Firewall host disconnected. |
DirList Event (IPWorksSSH_SFTP Class)
Fired when a directory entry is received.
Object Oriented Interface
public function fireDirList($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 3, array($this, 'fireDirList'));
Parameter List
'direntry'
'filename'
'isdir'
'filesize'
'filetime'
'issymlink'
Remarks
The DirList events are fired when a directory listing is received as a response to a ListDirectory.
The StartTransfer and EndTransfer events mark the beginning and end of the event stream.
The DirEntry parameter contains the filename when ListDirectory is called.
The class tries to fill out the FileName, IsDir, FileSize, and FileTime parameters when calling the ListDirectory method.
The format of the FileTime parameter returned by the class can be controlled through the FileTimeFormat configuration setting. If no format is specified, the class will format the date dependent on the year. If the filetime is in the same year, it will be formatted as "MMM dd HH:mm", otherwise it will be formatted as "MMM dd yyyy".
IsSymlink indicates whether the entry is a symbolic link. When the entry is a symbolic link the value of IsDir will always be False since this information is not returned in the directory listing. To inspect a symlink to determine if it is a link to a file or folder set RemoteFile and query the FileIsDir property.
Disconnected Event (IPWorksSSH_SFTP Class)
This event is fired when a connection is closed.
Object Oriented Interface
public function fireDisconnected($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 4, array($this, 'fireDisconnected'));
Parameter List
'statuscode'
'description'
Remarks
If the connection is broken normally, StatusCode is 0 and Description is "OK".
If the connection is broken for any other reason, StatusCode has the error code returned by the Transmission Control Protocol (TCP/IP) subsystem. Description contains a description of this code. The value of StatusCode is equal to the value of the TCP/IP error.
Please refer to the Error Codes section for more information.
EndTransfer Event (IPWorksSSH_SFTP Class)
Fired when a file completes downloading/uploading.
Object Oriented Interface
public function fireEndTransfer($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 5, array($this, 'fireEndTransfer'));
Parameter List
'direction'
'localfile'
'remotefile'
Remarks
The EndTransfer event fires when either an upload or a download operation completes. This is when the file finishes transferring and/or a directory listing is finished.
The Direction parameter shows whether the client (0) or the server (1) is sending the data.
LocalFile identifies the local file. RemoteFile is the remote file.
Error Event (IPWorksSSH_SFTP Class)
Information about errors during data delivery.
Object Oriented Interface
public function fireError($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 6, array($this, 'fireError'));
Parameter List
'errorcode'
'description'
'localfile'
'remotefile'
Remarks
The Error event is fired in case of exceptional conditions during message processing. Normally the class fails with an error.
ErrorCode contains an error code and Description contains a textual description of the error. For a list of valid error codes and their descriptions, please refer to the Error Codes section.
LocalFile identifies the local file. RemoteFile is the remote file.
Log Event (IPWorksSSH_SFTP Class)
Fires once for each log message.
Object Oriented Interface
public function fireLog($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 7, array($this, 'fireLog'));
Parameter List
'loglevel'
'message'
'logtype'
Remarks
This event fires once for each log messages generated by the class. The verbosity is controlled by the LogLevel setting.
LogLevel indicates the detail level of the message. Possible values are:
0 (None) | No messages are logged. |
1 (Info - Default) | Informational events such as SSH handshake messages are logged. |
2 (Verbose) | Detailed data such as individual packet information is logged. |
3 (Debug) | Debug data including all relevant sent and received bytes are logged. |
Message is the log message.
LogType is reserved for future use.
SSHCustomAuth Event (IPWorksSSH_SFTP Class)
Fired when the class is doing custom authentication.
Object Oriented Interface
public function fireSSHCustomAuth($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 8, array($this, 'fireSSHCustomAuth'));
Parameter List
'packet'
Remarks
SSHCustomAuth is fired during the user authentication stage of the SSH logon process if SSHAuthMode is set to amCustom. Packet contains the raw last SSH packet sent by the server, in HEX-encoded format.
The client should create a new raw SSH packet to send to the server and set Packet to the HEX-encoded representation of the packet to send.
In all cases, Packet will start with the message type field.
To read the incoming packet call DecodePacket and then use the GetSSHParam and GetSSHParamBytes methods. To create a packet use the SetSSHParam method and then call EncodePacket to obtain a HEX-encoded value and assign this to the Packet parameter.
SSHKeyboardInteractive Event (IPWorksSSH_SFTP Class)
Fired when the class receives a request for user input from the server.
Object Oriented Interface
public function fireSSHKeyboardInteractive($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 9, array($this, 'fireSSHKeyboardInteractive'));
Parameter List
'name'
'instructions'
'prompt'
'response'
'echoresponse'
Remarks
SSHKeyboardInteractive is fired during the user authentication stage of the SSH logon process. During authentication, the class will request a list of available authentication methods for the SSHUser. For example, if the SSHHost responds with "keyboard-interactive", the class will fire this event to allow the client application to set the password.
During authentication, the SSH server may respond with a request for the user's authentication information. Name is a server-provided value associated with the authentication method such as "CRYPTOCard Authentication". Instructions will contain specific instructions, also supplied by the server, for how the user should respond.
Along with these values, the server will also send at least one input Prompt to be displayed to and filled out by the user. Response should be set to the user's input, and will be sent back in the user authentication information response. EchoResponse is a server recommendation for whether or not the user's response should be echoed back during input.
Note: the server may send several prompts in a single packet. The class will fire the SSHKeyboardInteractive event once for each prompt.
SSHServerAuthentication Event (IPWorksSSH_SFTP Class)
Fired after the server presents its public key to the client.
Object Oriented Interface
public function fireSSHServerAuthentication($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 10, array($this, 'fireSSHServerAuthentication'));
Parameter List
'hostkey'
'fingerprint'
'keyalgorithm'
'certsubject'
'certissuer'
'status'
'accept'
Remarks
This event is where the client can decide whether to continue with the connection process or not. If the public key is known to be a valid key for the SSH server, Accept should be set to True within the event. Otherwise, the server will not be authenticated and the connection will be broken.
Accept will be True only if either HostKey or Fingerprint is identical to the value of SSHAcceptServerHostKey.
Accept may be set to True manually to accept the server host key.
Note that SSH's security inherently relies on client verification of the host key. Ignoring the host key and always setting Accept to true is strongly discouraged, and could cause potentially serious security vulnerabilities in your application. It is recommended that clients maintain a list of known keys for each server and check HostKey against this list each time a connection is attempted.
Host Key contains the full binary text of the key, in the same format used internally by SSH.
Fingerprint holds the SHA-256 hash of HostKey in the hex-encoded form: 0a:1b:2c:3d. To configure the hash algorithm used to calculate this value see SSHFingerprintHashAlgorithm.
KeyAlgorithm identifies the host key algorithm. Supported values are:
- ssh-rsa
- ssh-dss
- rsa-sha2-256
- rsa-sha2-512
- x509v3-sign-rsa
- x509v3-sign-dss
- ecdsa-sha2-nistp256
- ecdsa-sha2-nistp384
- ecdsa-sha2-nistp521
CertSubject is the subject of the certificate. This is only applicable when KeyAlgorithm is "x509v3-sign-rsa" or "x509v3-sign-dss".
CertIssuer is the issuer of the certificate. This is only applicable when KeyAlgorithm is "x509v3-sign-rsa" or "x509v3-sign-dss".
Status is reserved for future use.
SSHStatus Event (IPWorksSSH_SFTP Class)
Shows the progress of the secure connection.
Object Oriented Interface
public function fireSSHStatus($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 11, array($this, 'fireSSHStatus'));
Parameter List
'message'
Remarks
The event is fired for informational and logging purposes only. Used to track the progress of the connection.
StartTransfer Event (IPWorksSSH_SFTP Class)
Fired when a file starts downloading/uploading.
Object Oriented Interface
public function fireStartTransfer($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 12, array($this, 'fireStartTransfer'));
Parameter List
'direction'
'localfile'
'remotefile'
Remarks
The StartTransfer event fires when a Data Interface connection is created. This is when the file starts transferring and/or a directory listing is started.
The Direction parameter shows whether the client (0) or the server (1) is sending the data.
LocalFile identifies the local file. RemoteFile is the remote file.
Transfer Event (IPWorksSSH_SFTP Class)
Fired during file download/upload.
Object Oriented Interface
public function fireTransfer($param);
Procedural Interface
ipworksssh_sftp_register_callback($res, 13, array($this, 'fireTransfer'));
Parameter List
'direction'
'localfile'
'remotefile'
'bytestransferred'
'percentdone'
'text'
'cancel'
Remarks
One or more Transfer events are fired during file transfer. The BytesTransferred parameter shows the number of bytes transferred since the beginning of the transfer.
Text contains the portion of the file data being delivered.
The Direction parameter shows whether the client (0) or the server (1) is sending the data.
LocalFile identifies the local file. RemoteFile is the remote file.
The PercentDone parameter shows the progress of the transfer in the corresponding direction. If PercentDone can not be calculated the value will be -1.
To cancel the current transfer set Cancel to true.
Config Settings (SFTP Class)
The class accepts one or more of the following configuration settings. Configuration settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.SFTP Config Settings
The default value is False.
The server must support the check-file extension.
The class supports the following hash algorithms (in order of preference): sha256,sha224,sha384,sha512,sha1,md5. The server may choose to use any value from this list. No action is needed to configure the algorithm, the class will automatically use the same algorithm that the server users.
If the extension is unsupported or a mismatch in hashes is detected the class fails with an error. If the hashes match the value "True" is returned.
try {
String flag = sftp.Config("CheckFileHash");
// flag will be equal to "True"
}
catch (Exception e) {
// mismatch
}
Set RemoteFile to the path of the source file. Optionally set StartByte to indicate from where in the source file to start reading.
Then set CopyRemoteData to a semi-colon (;) delimited listed of Name=Value pairs. In this list DestFile must be set to the path of the
destination file. Length may be set to the number of bytes to read. WriteOffset may be set to the location in the destionation file
from where to start writing.
sftp.RemoteFile = "/my/source/file.txt";
sftp.Overwrite = true;
sftp.StartByte = 6;
sftp.Config("CopyRemoteData=DestFile=/my/destination/file.txt;Length=5;WriteOffset=14");
Set RemoteFile to the path of the source file, then set CopyRemoteFile to the path of the destination file. Overwrite controls
whether an existing file will be overwritten.
sftp.Overwrite = true;
sftp.RemoteFile = "/my/source/file.txt";
sftp.Config("CopyRemoteFile=" + "/my/destination/file.txt");
Note: The server must understand either the "statvfs@openssh.com" or "space-available" extension in order for this operation to succeed.
If it is desired to retrieve the attributes of the symbolic link itself, set GetSymlinkAttrs to True before querying FileAttributes.
When uploading or downloading this value will be compared to ServerEOL. If ServerEOL and LocalEOL are different, the line endings in the file being transferred will be converted to the line endings used by the destination. Line endings will be converted to the value in LocalEOL when downloading. Line endings will be converted to the value in ServerEOL when uploading. If ServerEOL and LocalEOL are the same, no conversion takes place.
The value supplied to this setting must be quoted. For instance:
component.Config("LocalEOL=\"" + myEOLSequence + "\"");
Where myEOLSequence is a Cr, Lf, or CrLf character sequence.
Conversion will only happen when TransferMode is set to 1 (ASCII) and ServerEOL and LocalEOL are different.
Most servers that use smaller values will use a maximum SSH packet size of 16KB (16384). In order to most efficiently communicate with such servers, MaxFileData size should be set to 14745.
Note: Values larger than 64K (65536) may not be respected by some servers (such as OpenSSH) and will result in unexpected behavior. If specifying a value, it is recommended to set a value less than or equal to 65536.
The default value is 32768.
string resolvedPath = component.Config("ReadLink=/home/test/mysymlink.txt");
SSH_FXP_REALPATH_NO_CHECK (1) | Server should not check if the path exists. |
SSH_FXP_REALPATH_STAT_IF (2) | Server should return the file/directory attributes if the path exists and is accessible, but should not fail otherwise. |
SSH_FXP_REALPATH_STAT_ALWAYS (3) | Server should return the file/directory attributes if the path exists and is accessible, otherwise fail with an error. |
When uploading or downloading this value will be compared to LocalEOL. If ServerEOL and LocalEOL are different, the line endings in the file being transferred will be converted to the line endings used by the destination. Line endings will be converted to the value in LocalEOL when downloading. Line endings will be converted to the value in ServerEOL when uploading. If ServerEOL and LocalEOL are the same, no conversion takes place.
The value supplied to this setting must be quoted. For instance:
component.Config("ServerEOL=\"" + myEOLSequence + "\"");
Where myEOLSequence is a Cr, Lf, or CrLf character sequence.
Conversion will only happen when TransferMode is set to 1 (ASCII) and ServerEOL and LocalEOL are different.
When this value is set to 1 (ASCII) the class will use the values specified in LocalEOL and ServerEOL to convert line endings as appropriate.
Note: When this value is set to 1 (ASCII) and ProtocolVersion is set to 4 or higher the class will automatically determine the value for ServerEOL if the server supports the "newline" protocol extension.
This setting can be used in conjunction with the StartByte property in order to download a specific range of data from the current RemoteFile.
Set this to false to not send the packet. This will cause PreserveFileTime to not work and prevent PercentDone in Transfer from being calculated.
The default is true.
SSHClient Config Settings
If MaxChannelDataLength > 0 and ChannelDataEOL is a non-empty string the class will internally buffer data waiting to fire SSHChannelData until either MaxChannelDataLength is reached or ChannelDataEOL is found, whichever comes first. Query ChannelDataEOLFound to know which condition was met. The buffer is reset any time SSHChannelData fires.
ChannelDataEOL and MaxChannelDataLength MUST be set together or unexpected behavior could occur.
This config is only valid when queried inside SSHChannelData, MaxChannelDataLength > 0, and ChannelDataEOL is non-empty.
Most SSH servers expect the SSH version string to have the expected format "SSH-protocol version-software version". See above for an example.
Value | Description |
0 (Disabled - default) | No communication with Pageant is attempted. |
1 (Enabled) | Pageant authentication is used if available. If Pageant is not running, or does not contain the expected key no error is thrown. |
2 (Required) | Only Pageant authentication is used. If Pageant is not running, or does not contain the expected key an error is thrown. |
Example enabling Pageant:
component.Config("EnablePageantAuth=1");
component.SSHUser = "sshuser";
component.SSHLogon("localhost", 22);
Note: This functionality is only available on Windows.
Example (for setting the threshold to 500 MB):
SSHComponent.Config("KeyRenegotiationThreshold=524288000")
0 (None) | No messages are logged. |
1 (Info - Default) | Informational events such as SSH handshake messages are logged. |
2 (Verbose) | Detailed data such as individual packet information is logged. |
3 (Debug) | Debug data including all relevant sent and received bytes are logged. |
If MaxChannelDataLength > 0 and ChannelDataEOL is a non-empty string the class will internally buffer data waiting to fire SSHChannelData until either MaxChannelDataLength is reached or ChannelDataEOL is found, whichever comes first. Query ChannelDataEOLFound to know which condition was met. The buffer is reset any time SSHChannelData fires.
ChannelDataEOL and MaxChannelDataLength MUST be set together or unexpected behavior could occur.
component.Config("NegotiatedStrictKex")
This provides an easy way to automatically reply to prompts with the password if one is presented by the server. The password will be auto-filled in the Response parameter of the SSHKeyboardInteractive event in the case of a match.
The following special characters are supported for pattern matching:
? | Any single character. |
* | Any characters or no characters (e.g., C*t matches Cat, Cot, Coast, Ct). |
[,-] | A range of characters (e.g., [a-z], [a], [0-9], [0-9,a-d,f,r-z]). |
\ | The slash is ignored and exact matching is performed on the next character. |
If these characters need to be used as a literal in a pattern, then they must be escaped by surrounding them with brackets []. Note: "]" and "-" do not need to be escaped. See below for the escape sequences:
Character | Escape Sequence |
? | [?] |
* | [*] |
[ | [[] |
\ | [\] |
For example, to match the value [Something].txt, specify the pattern [[]Something].txt.
The default value is 0, meaning this setting is not used.
component.Config("SignedSSHCert=ssh-rsa-cert-v01@openssh.com AAAAB3NzaC1yc2EAAAADAQABAAAB...");
The algorithm such as ssh-rsa-cert-v01@openssh.com in the above string is used as part of the authentication process. To use a different algorithm simply change this value. For instance all of the following are acceptable with the same signed public key:
- ssh-rsa-cert-v01@openssh.com AAAAB3NzaC1yc2EAAAADAQABAAAB...
- rsa-sha2-256-cert-v01@openssh.com AAAAB3NzaC1yc2EAAAADAQABAAAB...
- rsa-sha2-512-cert-v01@openssh.com AAAAB3NzaC1yc2EAAAADAQABAAAB...
component.Config("SSHAcceptServerCAKey=ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB...");
SSHClient.Config("SSHAcceptServerHostKeyFingerprint=0a:1b:2c:3d");
If the server's fingerprint matches one of the values supplied, the class will accept the host key.
- MD5
- SHA1
- SHA256 (default)
The default value is 0 meaning no keep alives will be sent.
Note: The SSHReverseTunnel class uses a default value of 30.
- curve25519-sha256
- curve25519-sha256@libssh.org
- diffie-hellman-group1-sha1
- diffie-hellman-group14-sha1
- diffie-hellman-group14-sha256
- diffie-hellman-group16-sha512
- diffie-hellman-group18-sha512
- diffie-hellman-group-exchange-sha256
- diffie-hellman-group-exchange-sha1
- ecdh-sha2-nistp256
- ecdh-sha2-nistp384
- ecdh-sha2-nistp521
- gss-group14-sha256-toWM5Slw5Ew8Mqkay+al2g==
- gss-group16-sha512-toWM5Slw5Ew8Mqkay+al2g==
- gss-nistp256-sha256-toWM5Slw5Ew8Mqkay+al2g==
- gss-curve25519-sha256-toWM5Slw5Ew8Mqkay+al2g==
- gss-group14-sha1-toWM5Slw5Ew8Mqkay+al2g==
- gss-gex-sha1-toWM5Slw5Ew8Mqkay+al2g==
Example:
SSHClient.Config("SSHKeyRenegotiate")
- hmac-sha1
- hmac-md5
- hmac-sha1-96
- hmac-md5-96
- hmac-sha2-256
- hmac-sha2-256-96
- hmac-sha2-512
- hmac-sha2-512-96
- hmac-ripemd160
- hmac-ripemd160-96
- hmac-sha2-256-etm@openssh.com
- hmac-sha2-512-etm@openssh.com
- umac-64@openssh.com
- umac-64-etm@openssh.com
- umac-128@openssh.com
- umac-128-etm@openssh.com
The setting should be a comma separated list of algorithms. At runtime the class will evaluate the specified algorithms and if the algorithm is applicable to the certificate specified in SSHCert it will be used. If the algorithm is not applicable the class will evaluate the next algorithm. Possible values are:
- ssh-rsa
- rsa-sha2-256
- rsa-sha2-512
- ssh-dss
- ecdsa-sha2-nistp256
- ecdsa-sha2-nistp384
- ecdsa-sha2-nistp521
- ssh-ed25519
- x509v3-sign-rsa
- x509v3-sign-dss
The default value in Windows is ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519.
rsa-sha2-256 and rsa-sha2-512 notes
The class will query the server for supported algorithms when connecting. If the server indicates support for rsa-sha2-256 or rsa-sha2-512 and the algorithm is present in the list defined by this setting (as in the default value), that algorithm will be used instead of ssh-rsa even when ssh-rsa appears first in the list.
For the rsa-sha2-256 and rsa-sha2-512 algorithms to be automatically preferred the server must support the ext-info-c mechanism. In practice, older servers do not support this and in that case ssh-rsa will be used since it appears first in the list. Newer servers do support this mechanism and in that case rsa-sha2-256 or rsa-sha2-512 will be used even though it appears after ssh-rsa.
This behavior has been carefully designed to provide maximum compatibility while automatically using more secure algorithms when connecting to servers which support them.
*SSH-1.99-*,*SSH-2.0-*,*SSH-2.99-*
Since both client and server must implement strict key exchange to effectively mitigate the Terrapin attack, the class provides options to further control the behavior in different scenarios. Possible values for this setting are:
0 | Disabled. Strict key exchange is not supported in the class. |
1 (default) | Enabled, but not enforced. This setting enables strict key exchange, but if the remote host does not support strict key exchange the connection is still allowed to continue. |
2 | Enabled, but reject affected algorithms if the remote host does not support strict key exchange. If the remote host supports strict key exchange all algorithms may be used. If the remote host does not support strict key exchange the connection will only continue if the selected encryption and MAC algorithms are not affected by the Terrapin attack. |
3 | Required. If the remote host does not support strict key exchange the connection will fail. |
When True (default) the class will wait for a response to the channel close message until the responses have been received, the server closes the connection, or Timeout seconds is reached.
When False the class will still send the channel close messages but will not wait for a response and will proceed to close the connection.
When set to True the class will initiate the disconnection sequence by sending SSH_MSG_DISCONNECT but will not close the connection, and instead will wait for the server to close the connection. Setting this to True may be beneficial in circumstances where many connections are being established, to avoid port exhaustion when sockets are in a TIME_WAIT state. Allowing the server to close the connection avoids the TIME_WAIT state of socket on the client machine.
When set to False (default) the client will close the connection. It is recommended to use this value unless there is a specific need to change it.
TCPClient Config Settings
If the FirewallHost setting is set to a Domain Name, a DNS request is initiated. Upon successful termination of the request, the FirewallHost setting is set to the corresponding address. If the search is not successful, an error is returned.
Note: This setting is provided for use by classs that do not directly expose Firewall properties.
Note: This setting is provided for use by classs that do not directly expose Firewall properties.
Note: This configuration setting is provided for use by classs that do not directly expose Firewall properties.
0 | No firewall (default setting). |
1 | Connect through a tunneling proxy. FirewallPort is set to 80. |
2 | Connect through a SOCKS4 Proxy. FirewallPort is set to 1080. |
3 | Connect through a SOCKS5 Proxy. FirewallPort is set to 1080. |
10 | Connect through a SOCKS4A Proxy. FirewallPort is set to 1080. |
Note: This setting is provided for use by classs that do not directly expose Firewall properties.
Note: This setting is provided for use by classs that do not directly expose Firewall properties.
Note: This value is not applicable in macOS.
In the case that Linger is True (default), two scenarios determine how long the connection will linger. In the first, if LingerTime is 0 (default), the system will attempt to send pending data for a connection until the default IP timeout expires.
In the second scenario, if LingerTime is a positive value, the system will attempt to send pending data until the specified LingerTime is reached. If this attempt fails, then the system will reset the connection.
The default behavior (which is also the default mode for stream sockets) might result in a long delay in closing the connection. Although the class returns control immediately, the system could hold system resources until all pending data are sent (even after your application closes).
Setting this property to False forces an immediate disconnection. If you know that the other side has received all the data you sent (e.g., by a client acknowledgment), setting this property to False might be the appropriate course of action.
In multi-homed hosts (machines with more than one IP interface) setting LocalHost to the value of an interface will make the class initiate connections (or accept in the case of server classs) only through that interface.
If the class is connected, the LocalHost setting shows the IP address of the interface through which the connection is made in internet dotted format (aaa.bbb.ccc.ddd). In most cases, this is the address of the local host, except for multi-homed hosts (machines with more than one IP interface).
Setting this to 0 (default) enables the system to choose a port at random. The chosen port will be shown by LocalPort after the connection is established.
LocalPort cannot be changed once a connection is made. Any attempt to set this when a connection is active will generate an error.
This; setting is useful when trying to connect to services that require a trusted port in the client side. An example is the remote shell (rsh) service in UNIX systems.
If an EOL string is found in the input stream before MaxLineLength bytes are received, the DataIn event is fired with the EOL parameter set to True, and the buffer is reset.
If no EOL is found, and MaxLineLength bytes are accumulated in the buffer, the DataIn event is fired with the EOL parameter set to False, and the buffer is reset.
The minimum value for MaxLineLength is 256 bytes. The default value is 2048 bytes.
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Note: This value is not applicable in Java.
By default, this config is set to false.
0 | IPv4 Only |
1 | IPv6 Only |
2 | IPv6 with IPv4 fallback |
Socket Config Settings
Note: This option is not valid for UDP ports.
Some TCP/IP implementations do not support variable buffer sizes. If that is the case, when the class is activated the InBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small.
Some TCP/IP implementations do not support variable buffer sizes. If that is the case, when the class is activated the OutBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small.
Base Config Settings
The following is a list of valid code page identifiers:
Identifier | Name |
037 | IBM EBCDIC - U.S./Canada |
437 | OEM - United States |
500 | IBM EBCDIC - International |
708 | Arabic - ASMO 708 |
709 | Arabic - ASMO 449+, BCON V4 |
710 | Arabic - Transparent Arabic |
720 | Arabic - Transparent ASMO |
737 | OEM - Greek (formerly 437G) |
775 | OEM - Baltic |
850 | OEM - Multilingual Latin I |
852 | OEM - Latin II |
855 | OEM - Cyrillic (primarily Russian) |
857 | OEM - Turkish |
858 | OEM - Multilingual Latin I + Euro symbol |
860 | OEM - Portuguese |
861 | OEM - Icelandic |
862 | OEM - Hebrew |
863 | OEM - Canadian-French |
864 | OEM - Arabic |
865 | OEM - Nordic |
866 | OEM - Russian |
869 | OEM - Modern Greek |
870 | IBM EBCDIC - Multilingual/ROECE (Latin-2) |
874 | ANSI/OEM - Thai (same as 28605, ISO 8859-15) |
875 | IBM EBCDIC - Modern Greek |
932 | ANSI/OEM - Japanese, Shift-JIS |
936 | ANSI/OEM - Simplified Chinese (PRC, Singapore) |
949 | ANSI/OEM - Korean (Unified Hangul Code) |
950 | ANSI/OEM - Traditional Chinese (Taiwan; Hong Kong SAR, PRC) |
1026 | IBM EBCDIC - Turkish (Latin-5) |
1047 | IBM EBCDIC - Latin 1/Open System |
1140 | IBM EBCDIC - U.S./Canada (037 + Euro symbol) |
1141 | IBM EBCDIC - Germany (20273 + Euro symbol) |
1142 | IBM EBCDIC - Denmark/Norway (20277 + Euro symbol) |
1143 | IBM EBCDIC - Finland/Sweden (20278 + Euro symbol) |
1144 | IBM EBCDIC - Italy (20280 + Euro symbol) |
1145 | IBM EBCDIC - Latin America/Spain (20284 + Euro symbol) |
1146 | IBM EBCDIC - United Kingdom (20285 + Euro symbol) |
1147 | IBM EBCDIC - France (20297 + Euro symbol) |
1148 | IBM EBCDIC - International (500 + Euro symbol) |
1149 | IBM EBCDIC - Icelandic (20871 + Euro symbol) |
1200 | Unicode UCS-2 Little-Endian (BMP of ISO 10646) |
1201 | Unicode UCS-2 Big-Endian |
1250 | ANSI - Central European |
1251 | ANSI - Cyrillic |
1252 | ANSI - Latin I |
1253 | ANSI - Greek |
1254 | ANSI - Turkish |
1255 | ANSI - Hebrew |
1256 | ANSI - Arabic |
1257 | ANSI - Baltic |
1258 | ANSI/OEM - Vietnamese |
1361 | Korean (Johab) |
10000 | MAC - Roman |
10001 | MAC - Japanese |
10002 | MAC - Traditional Chinese (Big5) |
10003 | MAC - Korean |
10004 | MAC - Arabic |
10005 | MAC - Hebrew |
10006 | MAC - Greek I |
10007 | MAC - Cyrillic |
10008 | MAC - Simplified Chinese (GB 2312) |
10010 | MAC - Romania |
10017 | MAC - Ukraine |
10021 | MAC - Thai |
10029 | MAC - Latin II |
10079 | MAC - Icelandic |
10081 | MAC - Turkish |
10082 | MAC - Croatia |
12000 | Unicode UCS-4 Little-Endian |
12001 | Unicode UCS-4 Big-Endian |
20000 | CNS - Taiwan |
20001 | TCA - Taiwan |
20002 | Eten - Taiwan |
20003 | IBM5550 - Taiwan |
20004 | TeleText - Taiwan |
20005 | Wang - Taiwan |
20105 | IA5 IRV International Alphabet No. 5 (7-bit) |
20106 | IA5 German (7-bit) |
20107 | IA5 Swedish (7-bit) |
20108 | IA5 Norwegian (7-bit) |
20127 | US-ASCII (7-bit) |
20261 | T.61 |
20269 | ISO 6937 Non-Spacing Accent |
20273 | IBM EBCDIC - Germany |
20277 | IBM EBCDIC - Denmark/Norway |
20278 | IBM EBCDIC - Finland/Sweden |
20280 | IBM EBCDIC - Italy |
20284 | IBM EBCDIC - Latin America/Spain |
20285 | IBM EBCDIC - United Kingdom |
20290 | IBM EBCDIC - Japanese Katakana Extended |
20297 | IBM EBCDIC - France |
20420 | IBM EBCDIC - Arabic |
20423 | IBM EBCDIC - Greek |
20424 | IBM EBCDIC - Hebrew |
20833 | IBM EBCDIC - Korean Extended |
20838 | IBM EBCDIC - Thai |
20866 | Russian - KOI8-R |
20871 | IBM EBCDIC - Icelandic |
20880 | IBM EBCDIC - Cyrillic (Russian) |
20905 | IBM EBCDIC - Turkish |
20924 | IBM EBCDIC - Latin-1/Open System (1047 + Euro symbol) |
20932 | JIS X 0208-1990 & 0121-1990 |
20936 | Simplified Chinese (GB2312) |
21025 | IBM EBCDIC - Cyrillic (Serbian, Bulgarian) |
21027 | Extended Alpha Lowercase |
21866 | Ukrainian (KOI8-U) |
28591 | ISO 8859-1 Latin I |
28592 | ISO 8859-2 Central Europe |
28593 | ISO 8859-3 Latin 3 |
28594 | ISO 8859-4 Baltic |
28595 | ISO 8859-5 Cyrillic |
28596 | ISO 8859-6 Arabic |
28597 | ISO 8859-7 Greek |
28598 | ISO 8859-8 Hebrew |
28599 | ISO 8859-9 Latin 5 |
28605 | ISO 8859-15 Latin 9 |
29001 | Europa 3 |
38598 | ISO 8859-8 Hebrew |
50220 | ISO 2022 Japanese with no halfwidth Katakana |
50221 | ISO 2022 Japanese with halfwidth Katakana |
50222 | ISO 2022 Japanese JIS X 0201-1989 |
50225 | ISO 2022 Korean |
50227 | ISO 2022 Simplified Chinese |
50229 | ISO 2022 Traditional Chinese |
50930 | Japanese (Katakana) Extended |
50931 | US/Canada and Japanese |
50933 | Korean Extended and Korean |
50935 | Simplified Chinese Extended and Simplified Chinese |
50936 | Simplified Chinese |
50937 | US/Canada and Traditional Chinese |
50939 | Japanese (Latin) Extended and Japanese |
51932 | EUC - Japanese |
51936 | EUC - Simplified Chinese |
51949 | EUC - Korean |
51950 | EUC - Traditional Chinese |
52936 | HZ-GB2312 Simplified Chinese |
54936 | Windows XP: GB18030 Simplified Chinese (4 Byte) |
57002 | ISCII Devanagari |
57003 | ISCII Bengali |
57004 | ISCII Tamil |
57005 | ISCII Telugu |
57006 | ISCII Assamese |
57007 | ISCII Oriya |
57008 | ISCII Kannada |
57009 | ISCII Malayalam |
57010 | ISCII Gujarati |
57011 | ISCII Punjabi |
65000 | Unicode UTF-7 |
65001 | Unicode UTF-8 |
Identifier | Name |
1 | ASCII |
2 | NEXTSTEP |
3 | JapaneseEUC |
4 | UTF8 |
5 | ISOLatin1 |
6 | Symbol |
7 | NonLossyASCII |
8 | ShiftJIS |
9 | ISOLatin2 |
10 | Unicode |
11 | WindowsCP1251 |
12 | WindowsCP1252 |
13 | WindowsCP1253 |
14 | WindowsCP1254 |
15 | WindowsCP1250 |
21 | ISO2022JP |
30 | MacOSRoman |
10 | UTF16String |
0x90000100 | UTF16BigEndian |
0x94000100 | UTF16LittleEndian |
0x8c000100 | UTF32String |
0x98000100 | UTF32BigEndian |
0x9c000100 | UTF32LittleEndian |
65536 | Proprietary |
- Product: The product the license is for.
- Product Key: The key the license was generated from.
- License Source: Where the license was found (e.g., RuntimeLicense, License File).
- License Type: The type of license installed (e.g., Royalty Free, Single Server).
- Last Valid Build: The last valid build number for which the license will work.
This setting only works on these classes: AS3Receiver, AS3Sender, Atom, Client(3DS), FTP, FTPServer, IMAP, OFTPClient, SSHClient, SCP, Server(3DS), Sexec, SFTP, SFTPServer, SSHServer, TCPClient, TCPServer.
FIPS mode can be enabled by setting the UseFIPSCompliantAPI configuration setting to true. This is a static setting which applies to all instances of all classes of the toolkit within the process. It is recommended to enable or disable this setting once before the component has been used to establish a connection. Enabling FIPS while an instance of the component is active and connected may result in unexpected behavior.
For more details please see the FIPS 140-2 Compliance article.
Note: This setting is only applicable on Windows.
Note: Enabling FIPS-compliance requires a special license; please contact sales@nsoftware.com for details.
Setting this configuration setting to true tells the class to use the internal implementation instead of using the system security libraries.
On Windows, this setting is set to false by default. On Linux/macOS, this setting is set to true by default.
To use the system security libraries for Linux, OpenSSL support must be enabled. For more information on how to enable OpenSSL, please refer to the OpenSSL Notes section.
Trappable Errors (SFTP Class)
SFTP Errors
118 Firewall error. Error description contains detailed information. | |
1102 The server's SFTP draft version is unsupported. | |
1103 SFTP command failed. Error description contains detailed information. | |
1104 Server does not support renaming. | |
1105 Received invalid response from server. Error description contains detailed information. | |
1106 Cannot resolve path: path does not exist. | |
1107 You must set LocalFile/RemoteFile before attempt to download/upload. | |
1108 Cannot download file: LocalFile exists and Overwrite is set to false. | |
1109 CheckFileHash failed due to hash value mismatch. |
SSHClient Errors
1001 Server has disconnected. | |
1002 Protocol version unsupported or other issue with version string. | |
1003 Cannot negotiate algorithms. | |
1005 Selected algorithm unsupported. | |
1006 Cannot set keys. | |
1010 Unexpected algorithm. | |
1011 Cannot create exchange hash. | |
1012 Cannot make key. | |
1013 Cannot sign data. | |
1014 Cannot encrypt packet. | |
1015 Cannot decrypt packet. | |
1016 Cannot decompress packet. | |
1020 Failure to open channel. | |
1021 Invalid channel ID. | |
1022 Invalid channel data. | |
1023 Invalid channel message. | |
1024 SSH message unimplemented. | |
1027 Server message unsupported. | |
1030 Server's host key was rejected. The host key may be accepted within the SSHServerAuthentication event or using the SSHAcceptServerHostKey property. | |
1031 Cannot verify server's host key. | |
1032 Authentication failed. Check description for details. | |
1033 Channel request failed. | |
1034 Diffie-Hellman exchange failed. | |
1036 SSH connection failed. | |
1037 SSH reconnect limit reached. | |
1038 Elliptic Curve Diffie-Hellman exchange failed. | |
1039 SSH keep-alive limit reached. | |
1098 Request failure. | |
1130 Would block error. | |
1133 Would block, reason: key reExchange. |
The class may also return one of the following error codes, which are inherited from other classes.
TCPClient Errors
100 You cannot change the RemotePort at this time. A connection is in progress. | |
101 You cannot change the RemoteHost (Server) at this time. A connection is in progress. | |
102 The RemoteHost address is invalid (0.0.0.0). | |
104 Already connected. If you want to reconnect, close the current connection first. | |
106 You cannot change the LocalPort at this time. A connection is in progress. | |
107 You cannot change the LocalHost at this time. A connection is in progress. | |
112 You cannot change MaxLineLength at this time. A connection is in progress. | |
116 RemotePort cannot be zero. Please specify a valid service port number. | |
117 You cannot change the UseConnection option while the class is active. | |
135 Operation would block. | |
201 Timeout. | |
211 Action impossible in control's present state. | |
212 Action impossible while not connected. | |
213 Action impossible while listening. | |
301 Timeout. | |
302 Could not open file. | |
434 Unable to convert string to selected CodePage. | |
1105 Already connecting. If you want to reconnect, close the current connection first. | |
1117 You need to connect first. | |
1119 You cannot change the LocalHost at this time. A connection is in progress. | |
1120 Connection dropped by remote host. |
TCP/IP Errors
10004 [10004] Interrupted system call. | |
10009 [10009] Bad file number. | |
10013 [10013] Access denied. | |
10014 [10014] Bad address. | |
10022 [10022] Invalid argument. | |
10024 [10024] Too many open files. | |
10035 [10035] Operation would block. | |
10036 [10036] Operation now in progress. | |
10037 [10037] Operation already in progress. | |
10038 [10038] Socket operation on non-socket. | |
10039 [10039] Destination address required. | |
10040 [10040] Message too long. | |
10041 [10041] Protocol wrong type for socket. | |
10042 [10042] Bad protocol option. | |
10043 [10043] Protocol not supported. | |
10044 [10044] Socket type not supported. | |
10045 [10045] Operation not supported on socket. | |
10046 [10046] Protocol family not supported. | |
10047 [10047] Address family not supported by protocol family. | |
10048 [10048] Address already in use. | |
10049 [10049] Can't assign requested address. | |
10050 [10050] Network is down. | |
10051 [10051] Network is unreachable. | |
10052 [10052] Net dropped connection or reset. | |
10053 [10053] Software caused connection abort. | |
10054 [10054] Connection reset by peer. | |
10055 [10055] No buffer space available. | |
10056 [10056] Socket is already connected. | |
10057 [10057] Socket is not connected. | |
10058 [10058] Can't send after socket shutdown. | |
10059 [10059] Too many references, can't splice. | |
10060 [10060] Connection timed out. | |
10061 [10061] Connection refused. | |
10062 [10062] Too many levels of symbolic links. | |
10063 [10063] File name too long. | |
10064 [10064] Host is down. | |
10065 [10065] No route to host. | |
10066 [10066] Directory not empty | |
10067 [10067] Too many processes. | |
10068 [10068] Too many users. | |
10069 [10069] Disc Quota Exceeded. | |
10070 [10070] Stale NFS file handle. | |
10071 [10071] Too many levels of remote in path. | |
10091 [10091] Network subsystem is unavailable. | |
10092 [10092] WINSOCK DLL Version out of range. | |
10093 [10093] Winsock not loaded yet. | |
11001 [11001] Host not found. | |
11002 [11002] Non-authoritative 'Host not found' (try again or check DNS setup). | |
11003 [11003] Non-recoverable errors: FORMERR, REFUSED, NOTIMP. | |
11004 [11004] Valid name, no data record (check DNS setup). |