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package sshfx
import (
"fmt"
)
// PacketType defines the various SFTP packet types.
type PacketType uint8
// Request packet types.
const (
// https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt#section-3
PacketTypeInit = PacketType(iota + 1)
PacketTypeVersion
PacketTypeOpen
PacketTypeClose
PacketTypeRead
PacketTypeWrite
PacketTypeLStat
PacketTypeFStat
PacketTypeSetstat
PacketTypeFSetstat
PacketTypeOpenDir
PacketTypeReadDir
PacketTypeRemove
PacketTypeMkdir
PacketTypeRmdir
PacketTypeRealPath
PacketTypeStat
PacketTypeRename
PacketTypeReadLink
PacketTypeSymlink
// https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-07.txt#section-3.3
PacketTypeV6Link
// https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-08.txt#section-3.3
PacketTypeV6Block
PacketTypeV6Unblock
)
// Response packet types.
const (
// https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt#section-3
PacketTypeStatus = PacketType(iota + 101)
PacketTypeHandle
PacketTypeData
PacketTypeName
PacketTypeAttrs
)
// Extended packet types.
const (
// https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt#section-3
PacketTypeExtended = PacketType(iota + 200)
PacketTypeExtendedReply
)
func (f PacketType) String() string {
switch f {
case PacketTypeInit:
return "SSH_FXP_INIT"
case PacketTypeVersion:
return "SSH_FXP_VERSION"
case PacketTypeOpen:
return "SSH_FXP_OPEN"
case PacketTypeClose:
return "SSH_FXP_CLOSE"
case PacketTypeRead:
return "SSH_FXP_READ"
case PacketTypeWrite:
return "SSH_FXP_WRITE"
case PacketTypeLStat:
return "SSH_FXP_LSTAT"
case PacketTypeFStat:
return "SSH_FXP_FSTAT"
case PacketTypeSetstat:
return "SSH_FXP_SETSTAT"
case PacketTypeFSetstat:
return "SSH_FXP_FSETSTAT"
case PacketTypeOpenDir:
return "SSH_FXP_OPENDIR"
case PacketTypeReadDir:
return "SSH_FXP_READDIR"
case PacketTypeRemove:
return "SSH_FXP_REMOVE"
case PacketTypeMkdir:
return "SSH_FXP_MKDIR"
case PacketTypeRmdir:
return "SSH_FXP_RMDIR"
case PacketTypeRealPath:
return "SSH_FXP_REALPATH"
case PacketTypeStat:
return "SSH_FXP_STAT"
case PacketTypeRename:
return "SSH_FXP_RENAME"
case PacketTypeReadLink:
return "SSH_FXP_READLINK"
case PacketTypeSymlink:
return "SSH_FXP_SYMLINK"
case PacketTypeV6Link:
return "SSH_FXP_LINK"
case PacketTypeV6Block:
return "SSH_FXP_BLOCK"
case PacketTypeV6Unblock:
return "SSH_FXP_UNBLOCK"
case PacketTypeStatus:
return "SSH_FXP_STATUS"
case PacketTypeHandle:
return "SSH_FXP_HANDLE"
case PacketTypeData:
return "SSH_FXP_DATA"
case PacketTypeName:
return "SSH_FXP_NAME"
case PacketTypeAttrs:
return "SSH_FXP_ATTRS"
case PacketTypeExtended:
return "SSH_FXP_EXTENDED"
case PacketTypeExtendedReply:
return "SSH_FXP_EXTENDED_REPLY"
default:
return fmt.Sprintf("SSH_FXP_UNKNOWN(%d)", f)
}
}
func newPacketFromType(typ PacketType) (Packet, error) {
switch typ {
case PacketTypeOpen:
return new(OpenPacket), nil
case PacketTypeClose:
return new(ClosePacket), nil
case PacketTypeRead:
return new(ReadPacket), nil
case PacketTypeWrite:
return new(WritePacket), nil
case PacketTypeLStat:
return new(LStatPacket), nil
case PacketTypeFStat:
return new(FStatPacket), nil
case PacketTypeSetstat:
return new(SetstatPacket), nil
case PacketTypeFSetstat:
return new(FSetstatPacket), nil
case PacketTypeOpenDir:
return new(OpenDirPacket), nil
case PacketTypeReadDir:
return new(ReadDirPacket), nil
case PacketTypeRemove:
return new(RemovePacket), nil
case PacketTypeMkdir:
return new(MkdirPacket), nil
case PacketTypeRmdir:
return new(RmdirPacket), nil
case PacketTypeRealPath:
return new(RealPathPacket), nil
case PacketTypeStat:
return new(StatPacket), nil
case PacketTypeRename:
return new(RenamePacket), nil
case PacketTypeReadLink:
return new(ReadLinkPacket), nil
case PacketTypeSymlink:
return new(SymlinkPacket), nil
case PacketTypeExtended:
return new(ExtendedPacket), nil
default:
return nil, fmt.Errorf("unexpected request packet type: %v", typ)
}
}
|
