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Contents
module RubySMB
module SMB2
module Packet
# An SMB2 Query Directory Response Packet as defined in
# [2.2.34 SMB2 QUERY_DIRECTORY Response](https://msdn.microsoft.com/en-us/library/cc246552.aspx)
class QueryDirectoryResponse < RubySMB::GenericPacket
COMMAND = RubySMB::SMB2::Commands::QUERY_DIRECTORY
endian :little
smb2_header :smb2_header
uint16 :structure_size, label: 'Structure Size', initial_value: 9
uint16 :buffer_offset, label: 'Output Buffer Offset', initial_value: -> { buffer.abs_offset }
uint32 :buffer_length, label: 'Output Buffer Length', initial_value: -> { buffer.do_num_bytes }
string :buffer, read_length: -> { buffer_length }
def initialize_instance
super
smb2_header.flags.reply = 1
end
# Returns the File Information in an array of appropriate
# structs for the given FileInformationClass. Pulled out of
# the string buffer.
#
# @param klass [Class] the FileInformationClass class to read the data as
# @return [array<BinData::Record>] An array of structs holding the requested information
# @raise [RubySMB::Error::InvalidPacket] if the string buffer is not a valid File Information
def results(klass)
information_classes = []
blob = buffer.to_binary_s.dup
until blob.empty?
length = blob[0, 4].unpack('V').first
data = if length.zero?
blob.slice!(0, blob.length)
else
blob.slice!(0, length)
end
begin
information_classes << klass.read(data)
rescue IOError
raise RubySMB::Error::InvalidPacket, "Invalid #{klass} File Information in the string buffer"
end
end
information_classes
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems