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82 lines
2.2 KiB
Python
82 lines
2.2 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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class _Getch:
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"""
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Gets a single character from standard input. Does not echo to
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the screen (reference: http://code.activestate.com/recipes/134892/)
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"""
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def __init__(self):
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try:
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self.impl = _GetchWindows()
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except ImportError:
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try:
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self.impl = _GetchMacCarbon()
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except(AttributeError, ImportError):
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self.impl = _GetchUnix()
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def __call__(self): return self.impl()
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class _GetchUnix:
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def __init__(self):
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import tty
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def __call__(self):
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import sys, tty, termios
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fd = sys.stdin.fileno()
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old_settings = termios.tcgetattr(fd)
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try:
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tty.setraw(sys.stdin.fileno())
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ch = sys.stdin.read(1)
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finally:
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termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
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return ch
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class _GetchWindows:
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def __init__(self):
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import msvcrt
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def __call__(self):
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import msvcrt
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return msvcrt.getch()
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class _GetchMacCarbon:
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"""
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A function which returns the current ASCII key that is down;
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if no ASCII key is down, the null string is returned. The
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page http://www.mactech.com/macintosh-c/chap02-1.html was
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very helpful in figuring out how to do this.
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"""
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def __init__(self):
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import Carbon
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Carbon.Evt #see if it has this (in Unix, it doesn't)
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def __call__(self):
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import Carbon
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if Carbon.Evt.EventAvail(0x0008)[0]==0: # 0x0008 is the keyDownMask
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return ''
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else:
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#
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# The event contains the following info:
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# (what,msg,when,where,mod)=Carbon.Evt.GetNextEvent(0x0008)[1]
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#
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# The message (msg) contains the ASCII char which is
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# extracted with the 0x000000FF charCodeMask; this
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# number is converted to an ASCII character with chr() and
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# returned
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#
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(what,msg,when,where,mod)=Carbon.Evt.GetNextEvent(0x0008)[1]
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return chr(msg & 0x000000FF)
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getch = _Getch()
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