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package filexfer
// SSH_FXF_* flags.
const (
FlagRead = 1 << iota // SSH_FXF_READ
FlagWrite // SSH_FXF_WRITE
FlagAppend // SSH_FXF_APPEND
FlagCreate // SSH_FXF_CREAT
FlagTruncate // SSH_FXF_TRUNC
FlagExclusive // SSH_FXF_EXCL
)
// OpenPacket defines the SSH_FXP_OPEN packet.
type OpenPacket struct {
Filename string
PFlags uint32
Attrs Attributes
}
// Type returns the SSH_FXP_xy value associated with this packet type.
func (p *OpenPacket) Type() PacketType {
return PacketTypeOpen
}
// MarshalPacket returns p as a two-part binary encoding of p.
func (p *OpenPacket) MarshalPacket(reqid uint32, b []byte) (header, payload []byte, err error) {
buf := NewBuffer(b)
if buf.Cap() < 9 {
// string(filename) + uint32(pflags) + ATTRS(attrs)
size := 4 + len(p.Filename) + 4 + p.Attrs.Len()
buf = NewMarshalBuffer(size)
}
buf.StartPacket(PacketTypeOpen, reqid)
buf.AppendString(p.Filename)
buf.AppendUint32(p.PFlags)
p.Attrs.MarshalInto(buf)
return buf.Packet(payload)
}
// UnmarshalPacketBody unmarshals the packet body from the given Buffer.
// It is assumed that the uint32(request-id) has already been consumed.
func (p *OpenPacket) UnmarshalPacketBody(buf *Buffer) (err error) {
if p.Filename, err = buf.ConsumeString(); err != nil {
return err
}
if p.PFlags, err = buf.ConsumeUint32(); err != nil {
return err
}
return p.Attrs.UnmarshalFrom(buf)
}
// OpenDirPacket defines the SSH_FXP_OPENDIR packet.
type OpenDirPacket struct {
Path string
}
// Type returns the SSH_FXP_xy value associated with this packet type.
func (p *OpenDirPacket) Type() PacketType {
return PacketTypeOpenDir
}
// MarshalPacket returns p as a two-part binary encoding of p.
func (p *OpenDirPacket) MarshalPacket(reqid uint32, b []byte) (header, payload []byte, err error) {
buf := NewBuffer(b)
if buf.Cap() < 9 {
size := 4 + len(p.Path) // string(path)
buf = NewMarshalBuffer(size)
}
buf.StartPacket(PacketTypeOpenDir, reqid)
buf.AppendString(p.Path)
return buf.Packet(payload)
}
// UnmarshalPacketBody unmarshals the packet body from the given Buffer.
// It is assumed that the uint32(request-id) has already been consumed.
func (p *OpenDirPacket) UnmarshalPacketBody(buf *Buffer) (err error) {
if p.Path, err = buf.ConsumeString(); err != nil {
return err
}
return nil
}
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