Class: HrrRbSftp::Protocol::Version1::Packets::SSH_FXP_FSETSTAT

Inherits:
Packet show all
Defined in:
lib/hrr_rb_sftp/protocol/version1/packets/010_ssh_fxp_fsetstat.rb

Overview

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

Constant Summary collapse

TYPE =

Represents SSH_FXP_FSETSTAT packet type.

10
FORMAT =

Represents SSH_FXP_FSETSTAT packet format.

[
  [DataTypes::Byte,   :"type"      ],
  [DataTypes::Uint32, :"request-id"],
  [DataTypes::String, :"handle"    ],
  [DataTypes::Attrs,  :"attrs"     ],
]

Instance Attribute Summary

Attributes included from Loggable

#logger

Instance Method Summary collapse

Methods inherited from Packet

#context, #handles, #initialize, #version

Methods inherited from Common::Packets::Packet

#decode, #encode, #initialize

Methods included from Loggable

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

Constructor Details

This class inherits a constructor from HrrRbSftp::Protocol::Version1::Packets::Packet

Instance Method Details

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

Responds to SSH_FXP_FSETSTAT request.

Parameters:

  • request (Hash{Symbol=>Object}) —

    SSH_FXP_FSETSTAT 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/version1/packets/010_ssh_fxp_fsetstat.rb', line 32

def respond_to request
  begin
    raise "Specified handle does not exist" unless handles.has_key?(request[:"handle"])
    log_debug { "file = handles[#{request[:"handle"].inspect}]" }
    file = handles[request[:"handle"]]
    attrs = request[:"attrs"]
    if attrs.has_key?(:"size")
      log_debug { "file.truncate(#{attrs[:"size"].inspect})" }
      file.truncate(attrs[:"size"])
    end
    if attrs.has_key?(:"permissions")
      log_debug { "file.chmod(#{attrs[:"permissions"].inspect})" }
      file.chmod(attrs[:"permissions"])
    end
    if attrs.has_key?(:"atime") && attrs.has_key?(:"mtime")
      log_debug { "File.utime(#{attrs[:"atime"].inspect}, #{attrs[:"mtime"].inspect}, #{file.path.inspect})" }
      File.utime(attrs[:"atime"], attrs[:"mtime"], file.path)
    end
    if attrs.has_key?(:"uid") && attrs.has_key?(:"gid")
      log_debug { "file.chown(#{attrs[:"uid"].inspect}, #{attrs[:"gid"].inspect})" }
      file.chown(attrs[:"uid"], attrs[:"gid"])
    end
    {
      :"type"          => SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => SSH_FXP_STATUS::SSH_FX_OK,
      :"error message" => "Success",
      :"language tag"  => "",
    }
  rescue Errno::EPERM => e
    log_debug { e.message }
    {
      :"type"          => SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => SSH_FXP_STATUS::SSH_FX_PERMISSION_DENIED,
      :"error message" => "Permission denied",
      :"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"          => SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => SSH_FXP_STATUS::SSH_FX_FAILURE,
      :"error message" => e.message,
      :"language tag"  => "",
    }
  end
end