## This file is part of Scapy
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## See http://www.secdev.org/projects/scapy for more informations
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## Copyright (C) Philippe Biondi <phil@secdev.org>
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## This program is published under a GPLv2 license
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"""
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Run commands when the Scapy interpreter starts.
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"""
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from __future__ import print_function
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import code, sys, importlib
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from scapy.config import conf
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from scapy.themes import *
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from scapy.error import Scapy_Exception
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from scapy.utils import tex_escape
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import scapy.modules.six as six
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#########################
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##### Autorun stuff #####
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#########################
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class StopAutorun(Scapy_Exception):
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code_run = ""
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class ScapyAutorunInterpreter(code.InteractiveInterpreter):
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def __init__(self, *args, **kargs):
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code.InteractiveInterpreter.__init__(self, *args, **kargs)
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self.error = 0
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def showsyntaxerror(self, *args, **kargs):
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self.error = 1
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return code.InteractiveInterpreter.showsyntaxerror(self, *args, **kargs)
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def showtraceback(self, *args, **kargs):
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self.error = 1
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exc_type, exc_value, exc_tb = sys.exc_info()
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if isinstance(exc_value, StopAutorun):
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raise exc_value
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return code.InteractiveInterpreter.showtraceback(self, *args, **kargs)
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def autorun_commands(cmds, my_globals=None, ignore_globals=None, verb=0):
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sv = conf.verb
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try:
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try:
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if my_globals is None:
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my_globals = importlib.import_module(".all", "scapy").__dict__
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if ignore_globals:
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for ig in ignore_globals:
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my_globals.pop(ig, None)
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conf.verb = verb
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interp = ScapyAutorunInterpreter(my_globals)
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cmd = ""
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cmds = cmds.splitlines()
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cmds.append("") # ensure we finish multi-line commands
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cmds.reverse()
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six.moves.builtins.__dict__["_"] = None
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while True:
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if cmd:
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sys.stderr.write(sys.__dict__.get("ps2","... "))
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else:
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sys.stderr.write(str(sys.__dict__.get("ps1", sys.ps1)))
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l = cmds.pop()
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print(l)
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cmd += "\n"+l
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if interp.runsource(cmd):
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continue
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if interp.error:
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return 0
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cmd = ""
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if len(cmds) <= 1:
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break
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except SystemExit:
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pass
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finally:
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conf.verb = sv
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return _
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def autorun_get_interactive_session(cmds, **kargs):
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class StringWriter:
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def __init__(self):
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self.s = ""
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def write(self, x):
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self.s += x
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def flush(self):
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pass
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sw = StringWriter()
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sstdout,sstderr = sys.stdout,sys.stderr
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try:
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try:
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sys.stdout = sys.stderr = sw
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res = autorun_commands(cmds, **kargs)
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except StopAutorun as e:
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e.code_run = sw.s
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raise
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finally:
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sys.stdout,sys.stderr = sstdout,sstderr
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return sw.s,res
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def autorun_get_text_interactive_session(cmds, **kargs):
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ct = conf.color_theme
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try:
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conf.color_theme = NoTheme()
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s,res = autorun_get_interactive_session(cmds, **kargs)
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finally:
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conf.color_theme = ct
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return s,res
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def autorun_get_ansi_interactive_session(cmds, **kargs):
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ct = conf.color_theme
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try:
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conf.color_theme = DefaultTheme()
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s,res = autorun_get_interactive_session(cmds, **kargs)
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finally:
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conf.color_theme = ct
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return s,res
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def autorun_get_html_interactive_session(cmds, **kargs):
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ct = conf.color_theme
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to_html = lambda s: s.replace("<","<").replace(">",">").replace("#[#","<").replace("#]#",">")
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try:
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try:
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conf.color_theme = HTMLTheme2()
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s,res = autorun_get_interactive_session(cmds, **kargs)
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except StopAutorun as e:
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e.code_run = to_html(e.code_run)
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raise
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finally:
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conf.color_theme = ct
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return to_html(s),res
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def autorun_get_latex_interactive_session(cmds, **kargs):
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ct = conf.color_theme
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to_latex = lambda s: tex_escape(s).replace("@[@","{").replace("@]@","}").replace("@`@","\\")
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try:
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try:
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conf.color_theme = LatexTheme2()
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s,res = autorun_get_interactive_session(cmds, **kargs)
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except StopAutorun as e:
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e.code_run = to_latex(e.code_run)
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raise
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finally:
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conf.color_theme = ct
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return to_latex(s),res
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