Yu1709$!%yuyu!$%wutu!5=126+

                
____  ___       .__                 
\   \/  /  _____|  |   ______  _  __
 \     /  /  ___/  |  /  _ \ \/ \/ /
 /     \  \___ \|  |_(  <_> )     / 
/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: buffering.rb

# coding: binary
# frozen_string_literal: false
#--
#= Info
#  'OpenSSL for Ruby 2' project
#  Copyright (C) 2001 GOTOU YUUZOU <gotoyuzo@notwork.org>
#  All rights reserved.
#
#= Licence
#  This program is licensed under the same licence as Ruby.
#  (See the file 'LICENCE'.)
#++

##
# OpenSSL IO buffering mix-in module.
#
# This module allows an OpenSSL::SSL::SSLSocket to behave like an IO.
#
# You typically won't use this module directly, you can see it implemented in
# OpenSSL::SSL::SSLSocket.

module OpenSSL::Buffering
  include Enumerable

##
  # The "sync mode" of the SSLSocket.
  #
  # See IO#sync for full details.

attr_accessor :sync

##
  # Default size to read from or write to the SSLSocket for buffer operations.

BLOCK_SIZE = 1024*16

##
  # Creates an instance of OpenSSL's buffering IO module.

def initialize(*)
    super
    @eof = false
    @rbuffer = ""
    @sync = @io.sync
  end

#
  # for reading.
  #
  private

##
  # Fills the buffer from the underlying SSLSocket

def fill_rbuff
    begin
      @rbuffer << self.sysread(BLOCK_SIZE)
    rescue Errno::EAGAIN
      retry
    rescue EOFError
      @eof = true
    end
  end

##
  # Consumes _size_ bytes from the buffer

def consume_rbuff(size=nil)
    if @rbuffer.empty?
      nil
    else
      size = @rbuffer.size unless size
      ret = @rbuffer[0, size]
      @rbuffer[0, size] = ""
      ret
    end
  end

public

##
  # Reads _size_ bytes from the stream.  If _buf_ is provided it must
  # reference a string which will receive the data.
  #
  # See IO#read for full details.

def read(size=nil, buf=nil)
    if size == 0
      if buf
        buf.clear
        return buf
      else
        return ""
      end
    end
    until @eof
      break if size && size <= @rbuffer.size
      fill_rbuff
    end
    ret = consume_rbuff(size) || ""
    if buf
      buf.replace(ret)
      ret = buf
    end
    (size && ret.empty?) ? nil : ret
  end

##
  # Reads at most _maxlen_ bytes from the stream.  If _buf_ is provided it
  # must reference a string which will receive the data.
  #
  # See IO#readpartial for full details.

def readpartial(maxlen, buf=nil)
    if maxlen == 0
      if buf
        buf.clear
        return buf
      else
        return ""
      end
    end
    if @rbuffer.empty?
      begin
        return sysread(maxlen, buf)
      rescue Errno::EAGAIN
        retry
      end
    end
    ret = consume_rbuff(maxlen)
    if buf
      buf.replace(ret)
      ret = buf
    end
    ret
  end

##
  # Reads at most _maxlen_ bytes in the non-blocking manner.
  #
  # When no data can be read without blocking it raises
  # OpenSSL::SSL::SSLError extended by IO::WaitReadable or IO::WaitWritable.
  #
  # IO::WaitReadable means SSL needs to read internally so read_nonblock
  # should be called again when the underlying IO is readable.
  #
  # IO::WaitWritable means SSL needs to write internally so read_nonblock
  # should be called again after the underlying IO is writable.
  #
  # OpenSSL::Buffering#read_nonblock needs two rescue clause as follows:
  #
  #   # emulates blocking read (readpartial).
  #   begin
  #     result = ssl.read_nonblock(maxlen)
  #   rescue IO::WaitReadable
  #     IO.select([io])
  #     retry
  #   rescue IO::WaitWritable
  #     IO.select(nil, [io])
  #     retry
  #   end
  #
  # Note that one reason that read_nonblock writes to the underlying IO is
  # when the peer requests a new TLS/SSL handshake.  See openssl the FAQ for
  # more details.  http://www.openssl.org/support/faq.html
  #
  # By specifying a keyword argument _exception_ to +false+, you can indicate
  # that read_nonblock should not raise an IO::Wait*able exception, but
  # return the symbol +:wait_writable+ or +:wait_readable+ instead. At EOF,
  # it will return +nil+ instead of raising EOFError.

def read_nonblock(maxlen, buf=nil, exception: true)
    if maxlen == 0
      if buf
        buf.clear
        return buf
      else
        return ""
      end
    end
    if @rbuffer.empty?
      return sysread_nonblock(maxlen, buf, exception: exception)
    end
    ret = consume_rbuff(maxlen)
    if buf
      buf.replace(ret)
      ret = buf
    end
    ret
  end

##
  # Reads the next "line" from the stream.  Lines are separated by _eol_.  If
  # _limit_ is provided the result will not be longer than the given number of
  # bytes.
  #
  # _eol_ may be a String or Regexp.
  #
  # Unlike IO#gets the line read will not be assigned to +$_+.
  #
  # Unlike IO#gets the separator must be provided if a limit is provided.

def gets(eol=$/, limit=nil)
    idx = @rbuffer.index(eol)
    until @eof
      break if idx
      fill_rbuff
      idx = @rbuffer.index(eol)
    end
    if eol.is_a?(Regexp)
      size = idx ? idx+$&.size : nil
    else
      size = idx ? idx+eol.size : nil
    end
    if size && limit && limit >= 0
      size = [size, limit].min
    end
    consume_rbuff(size)
  end

##
  # Executes the block for every line in the stream where lines are separated
  # by _eol_.
  #
  # See also #gets

def each(eol=$/)
    while line = self.gets(eol)
      yield line
    end
  end
  alias each_line each

##
  # Reads lines from the stream which are separated by _eol_.
  #
  # See also #gets

def readlines(eol=$/)
    ary = []
    while line = self.gets(eol)
      ary << line
    end
    ary
  end

##
  # Reads a line from the stream which is separated by _eol_.
  #
  # Raises EOFError if at end of file.

def readline(eol=$/)
    raise EOFError if eof?
    gets(eol)
  end

##
  # Reads one character from the stream.  Returns nil if called at end of
  # file.

def getc
    read(1)
  end

##
  # Calls the given block once for each byte in the stream.

def each_byte # :yields: byte
    while c = getc
      yield(c.ord)
    end
  end

##
  # Reads a one-character string from the stream.  Raises an EOFError at end
  # of file.

def readchar
    raise EOFError if eof?
    getc
  end

##
  # Pushes character _c_ back onto the stream such that a subsequent buffered
  # character read will return it.
  #
  # Unlike IO#getc multiple bytes may be pushed back onto the stream.
  #
  # Has no effect on unbuffered reads (such as #sysread).

def ungetc(c)
    @rbuffer[0,0] = c.chr
  end

##
  # Returns true if the stream is at file which means there is no more data to
  # be read.

def eof?
    fill_rbuff if !@eof && @rbuffer.empty?
    @eof && @rbuffer.empty?
  end
  alias eof eof?

#
  # for writing.
  #
  private

##
  # Writes _s_ to the buffer.  When the buffer is full or #sync is true the
  # buffer is flushed to the underlying socket.

def do_write(s)
    @wbuffer = "" unless defined? @wbuffer
    @wbuffer << s
    @wbuffer.force_encoding(Encoding::BINARY)
    @sync ||= false
    if @sync or @wbuffer.size > BLOCK_SIZE or idx = @wbuffer.rindex($/)
      remain = idx ? idx + $/.size : @wbuffer.length
      nwritten = 0
      while remain > 0
        str = @wbuffer[nwritten,remain]
        begin
          nwrote = syswrite(str)
        rescue Errno::EAGAIN
          retry
        end
        remain -= nwrote
        nwritten += nwrote
      end
      @wbuffer[0,nwritten] = ""
    end
  end

public

##
  # Writes _s_ to the stream.  If the argument is not a String it will be
  # converted using +.to_s+ method.  Returns the number of bytes written.

def write(*s)
    s.inject(0) do |written, str|
      do_write(str)
      written + str.bytesize
    end
  end

##
  # Writes _s_ in the non-blocking manner.
  #
  # If there is buffered data, it is flushed first.  This may block.
  #
  # write_nonblock returns number of bytes written to the SSL connection.
  #
  # When no data can be written without blocking it raises
  # OpenSSL::SSL::SSLError extended by IO::WaitReadable or IO::WaitWritable.
  #
  # IO::WaitReadable means SSL needs to read internally so write_nonblock
  # should be called again after the underlying IO is readable.
  #
  # IO::WaitWritable means SSL needs to write internally so write_nonblock
  # should be called again after underlying IO is writable.
  #
  # So OpenSSL::Buffering#write_nonblock needs two rescue clause as follows.
  #
  #   # emulates blocking write.
  #   begin
  #     result = ssl.write_nonblock(str)
  #   rescue IO::WaitReadable
  #     IO.select([io])
  #     retry
  #   rescue IO::WaitWritable
  #     IO.select(nil, [io])
  #     retry
  #   end
  #
  # Note that one reason that write_nonblock reads from the underlying IO
  # is when the peer requests a new TLS/SSL handshake.  See the openssl FAQ
  # for more details.  http://www.openssl.org/support/faq.html
  #
  # By specifying a keyword argument _exception_ to +false+, you can indicate
  # that write_nonblock should not raise an IO::Wait*able exception, but
  # return the symbol +:wait_writable+ or +:wait_readable+ instead.

def write_nonblock(s, exception: true)
    flush
    syswrite_nonblock(s, exception: exception)
  end

##
  # Writes _s_ to the stream.  _s_ will be converted to a String using
  # +.to_s+ method.

def <<(s)
    do_write(s)
    self
  end

##
  # Writes _args_ to the stream along with a record separator.
  #
  # See IO#puts for full details.

def puts(*args)
    s = ""
    if args.empty?
      s << "\n"
    end
    args.each{|arg|
      s << arg.to_s
      if $/ && /\n\z/ !~ s
        s << "\n"
      end
    }
    do_write(s)
    nil
  end

##
  # Writes _args_ to the stream.
  #
  # See IO#print for full details.

def print(*args)
    s = ""
    args.each{ |arg| s << arg.to_s }
    do_write(s)
    nil
  end

##
  # Formats and writes to the stream converting parameters under control of
  # the format string.
  #
  # See Kernel#sprintf for format string details.

def printf(s, *args)
    do_write(s % args)
    nil
  end

##
  # Flushes buffered data to the SSLSocket.

def flush
    osync = @sync
    @sync = true
    do_write ""
    return self
  ensure
    @sync = osync
  end

##
  # Closes the SSLSocket and flushes any unwritten data.

def close
    flush rescue nil
    sysclose
  end
end

Name	Type	Actions
bn.rb	File
buffering.rb	File
cipher.rb	File
config.rb	File
digest.rb	File
pkcs5.rb	File
pkey.rb	File
ssl.rb	File
x509.rb	File