97 lines
1.4 KiB
Ruby
97 lines
1.4 KiB
Ruby
# -*- coding: binary -*-
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require 'rex/ui'
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module Rex
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module Ui
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module Text
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###
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#
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# This class implements input against a socket.
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#
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###
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class Input::Socket < Rex::Ui::Text::Input
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def initialize(sock)
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@sock = sock
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end
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#
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# Sockets do not currently support readline.
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#
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def supports_readline
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false
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end
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#
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# Reads input from the raw socket.
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#
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def sysread(len = 1)
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@sock.sysread(len)
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end
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#
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# Wait for a line of input to be read from a socket.
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#
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def gets
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# Initialize the line buffer
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line = ''
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# Read data one byte at a time until we see a LF
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while (true)
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break if line.include?("\n")
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# Read another character of input
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char = @sock.getc
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if char.nil?
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@sock.close
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return
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end
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# Telnet sends 0x04 as EOF
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if (char == 4)
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@sock.write("[*] Caught ^D, closing the socket...\n")
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@sock.close
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return
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end
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# Append this character to the string
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line << char
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# Handle telnet sequences
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case line
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when /\xff\xf4\xff\xfd\x06/
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@sock.write("[*] Caught ^C, closing the socket...\n")
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@sock.close
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return
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when /\xff\xed\xff\xfd\x06/
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@sock.write("[*] Caught ^Z\n")
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return
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end
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end
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return line
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end
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#
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# Returns whether or not EOF has been reached on stdin.
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#
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def eof?
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@sock.closed?
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end
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#
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# Returns the file descriptor associated with a socket.
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#
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def fd
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return @sock
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end
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end
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end
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end
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end
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