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| 1 | +#!/usr/bin/env python |
| 2 | + |
| 3 | +""" |
| 4 | +$Id$ |
| 5 | +
|
| 6 | +This file is part of the sqlmap project, http://sqlmap.sourceforge.net. |
| 7 | +
|
| 8 | +sqlmap is free software; you can redistribute it and/or modify it under |
| 9 | +the terms of the GNU General Public License as published by the Free |
| 10 | +Software Foundation version 2 of the License. |
| 11 | +
|
| 12 | +sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY |
| 13 | +WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 14 | +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
| 15 | +details. |
| 16 | +
|
| 17 | +You should have received a copy of the GNU General Public License along |
| 18 | +with sqlmap; if not, write to the Free Software Foundation, Inc., 51 |
| 19 | +Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | +""" |
| 21 | + |
| 22 | +### Reference: http://code.activestate.com/recipes/134892/ |
| 23 | +class _Getch: |
| 24 | + """ |
| 25 | + Gets a single character from standard input. Does not echo to |
| 26 | + the screen. |
| 27 | + """ |
| 28 | + def __init__(self): |
| 29 | + try: |
| 30 | + self.impl = _GetchWindows() |
| 31 | + except ImportError: |
| 32 | + try: |
| 33 | + self.impl = _GetchMacCarbon() |
| 34 | + except(AttributeError, ImportError): |
| 35 | + self.impl = _GetchUnix() |
| 36 | + |
| 37 | + def __call__(self): return self.impl() |
| 38 | + |
| 39 | + |
| 40 | +class _GetchUnix: |
| 41 | + def __init__(self): |
| 42 | + import tty, sys |
| 43 | + |
| 44 | + def __call__(self): |
| 45 | + import sys, tty, termios |
| 46 | + fd = sys.stdin.fileno() |
| 47 | + old_settings = termios.tcgetattr(fd) |
| 48 | + try: |
| 49 | + tty.setraw(sys.stdin.fileno()) |
| 50 | + ch = sys.stdin.read(1) |
| 51 | + finally: |
| 52 | + termios.tcsetattr(fd, termios.TCSADRAIN, old_settings) |
| 53 | + return ch |
| 54 | + |
| 55 | + |
| 56 | +class _GetchWindows: |
| 57 | + def __init__(self): |
| 58 | + import msvcrt |
| 59 | + |
| 60 | + def __call__(self): |
| 61 | + import msvcrt |
| 62 | + return msvcrt.getch() |
| 63 | + |
| 64 | + |
| 65 | +class _GetchMacCarbon: |
| 66 | + """ |
| 67 | + A function which returns the current ASCII key that is down; |
| 68 | + if no ASCII key is down, the null string is returned. The |
| 69 | + page http://www.mactech.com/macintosh-c/chap02-1.html was |
| 70 | + very helpful in figuring out how to do this. |
| 71 | + """ |
| 72 | + def __init__(self): |
| 73 | + import Carbon |
| 74 | + Carbon.Evt #see if it has this (in Unix, it doesn't) |
| 75 | + |
| 76 | + def __call__(self): |
| 77 | + import Carbon |
| 78 | + if Carbon.Evt.EventAvail(0x0008)[0]==0: # 0x0008 is the keyDownMask |
| 79 | + return '' |
| 80 | + else: |
| 81 | + # |
| 82 | + # The event contains the following info: |
| 83 | + # (what,msg,when,where,mod)=Carbon.Evt.GetNextEvent(0x0008)[1] |
| 84 | + # |
| 85 | + # The message (msg) contains the ASCII char which is |
| 86 | + # extracted with the 0x000000FF charCodeMask; this |
| 87 | + # number is converted to an ASCII character with chr() and |
| 88 | + # returned |
| 89 | + # |
| 90 | + (what,msg,when,where,mod)=Carbon.Evt.GetNextEvent(0x0008)[1] |
| 91 | + return chr(msg & 0x000000FF) |
| 92 | + |
| 93 | + |
| 94 | +getch = _Getch() |
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