Class: HrrRbSftp::Protocol::Version3::Extensions::LsetstatAtOpensshCom

Inherits:
Extension
  • Object
show all
Defined in:
lib/hrr_rb_sftp/protocol/version3/extensions/lsetstat_at_openssh_com.rb

Overview

This class implements [email protected] version 1 extension format and responder.

Constant Summary collapse

EXTENSION_NAME =

Represents [email protected] version 1 extension name.

"[email protected]"
EXTENSION_DATA =

Represents [email protected] version 1 extension data.

"1"
REQUEST_FORMAT =

Represents SSH_FXP_EXTENDED packet additional format for [email protected] version 1 extension.

{
  :"extended-request" => {
    "[email protected]" => [
      [DataTypes::String, :"path" ],
      [DataTypes::Attrs,  :"attrs"],
    ],
  },
}

Instance Attribute Summary

Attributes included from Loggable

#logger

Instance Method Summary collapse

Methods inherited from Extension

#context, #handles, #initialize, #version

Methods included from Loggable

#log_debug, #log_error, #log_fatal, #log_info, #log_warn

Constructor Details

This class inherits a constructor from HrrRbSftp::Protocol::Version3::Extensions::Extension

Instance Method Details

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

Responds to SSH_FXP_EXTENDED request with [email protected] extended-request.

Parameters:

  • request (Hash{Symbol=>Object}) —

    SSH_FXP_EXTENDED 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/extensions/lsetstat_at_openssh_com.rb', line 39

def respond_to request
  begin
    path = request[:"path"]
    attrs = request[:"attrs"]
    raise BadMessageError, "Invalid file attribute: size" if attrs.has_key?(:"size")
    if attrs.has_key?(:"atime") && attrs.has_key?(:"mtime")
      raise FileLutimeUnsupportedError, "File.lutime is not supported on this Ruby version" unless File.respond_to?(:lutime)
      log_debug { "File.lutime(#{attrs[:"atime"].inspect}, #{attrs[:"mtime"].inspect}, #{path.inspect})" }
      File.lutime(attrs[:"atime"], attrs[:"mtime"], path)
    end
    if attrs.has_key?(:"uid") && attrs.has_key?(:"gid")
      log_debug { "File.lchown(#{attrs[:"uid"].inspect}, #{attrs[:"gid"].inspect}, #{path.inspect})" }
      File.lchown(attrs[:"uid"], attrs[:"gid"], path)
    end
    if attrs.has_key?(:"permissions")
      log_debug { "File.lchmod(#{attrs[:"permissions"].inspect}, #{path.inspect})" }
      File.lchmod(attrs[:"permissions"], path)
    end
    {
      :"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 BadMessageError => e
    log_debug { e.message }
    {
      :"type"          => Packets::SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => Packets::SSH_FXP_STATUS::SSH_FX_BAD_MESSAGE,
      :"error message" => "Bad message",
      :"language tag"  => "",
    }
  rescue FileLutimeUnsupportedError => 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" => e.message,
      :"language tag"  => "",
    }
  rescue Errno::ENOENT => e
    log_debug { e.message }
    {
      :"type"          => Packets::SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => Packets::SSH_FXP_STATUS::SSH_FX_NO_SUCH_FILE,
      :"error message" => "No such file or directory",
      :"language tag"  => "",
    }
  rescue Errno::EACCES, Errno::EPERM => 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 NotImplementedError => 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" => e.message,
      :"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