Class: HrrRbSftp::Protocol::Version3::Packets::SSH_FXP_SYMLINK

Inherits:
Packets::Packet
  • Object
show all
Defined in:
lib/hrr_rb_sftp/protocol/version3/packets/020_ssh_fxp_symlink.rb

Overview

This class implements SFTP protocol version 1 SSH_FXP_SYMLINK packet type, format, and responder.

Constant Summary collapse

TYPE =

Represents SSH_FXP_SYMLINK packet type.

20
FORMAT =

Represents SSH_FXP_SYMLINK packet format.

[
  [DataTypes::Byte,   :"type"      ],
  [DataTypes::Uint32, :"request-id"],
  [DataTypes::String, :"targetpath"],
  [DataTypes::String, :"linkpath"  ],
]

Instance Method Summary collapse

Instance Method Details

#respond_to(request) ⇒ Hash{Symbol=>Object}

Responds to SSH_FXP_SYMLINK request.

Parameters:

  • request (Hash{Symbol=>Object}) —

    SSH_FXP_SYMLINK request represented in Hash.

Returns:

  • (Hash{Symbol=>Object}) —

    Response represented in Hash. Its type is SSH_FXP_STATUS.



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# File 'lib/hrr_rb_sftp/protocol/version3/packets/020_ssh_fxp_symlink.rb', line 32

def respond_to request
  begin
    log_debug { "File.symlink(#{request[:"targetpath"].inspect}, #{request[:"linkpath"].inspect})" }
    File.symlink request[:"targetpath"], request[:"linkpath"]
    {
      :"type"          => Packets::SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => Packets::SSH_FXP_STATUS::SSH_FX_OK,
      :"error message" => "Success",
      :"language tag"  => "",
    }
  rescue Errno::EACCES => e
    log_debug { e.message }
    {
      :"type"          => Packets::SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => Packets::SSH_FXP_STATUS::SSH_FX_PERMISSION_DENIED,
      :"error message" => "Permission denied",
      :"language tag"  => "",
    }
  rescue Errno::EEXIST => e
    log_debug { e.message }
    {
      :"type"          => Packets::SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => Packets::SSH_FXP_STATUS::SSH_FX_FAILURE,
      :"error message" => "File exists",
      :"language tag"  => "",
    }
  rescue => e
    log_error { [e.backtrace[0], ": ", e.message, " (", e.class.to_s, ")\n\t", e.backtrace[1..-1].join("\n\t")].join }
    {
      :"type"          => Packets::SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => Packets::SSH_FXP_STATUS::SSH_FX_FAILURE,
      :"error message" => e.message,
      :"language tag"  => "",
    }
  end
end