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