#!/usr/bin/env python

"""
Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""

import bdb
import logging
import os
import StringIO
import sys
import time
import traceback
import types
import warnings

warnings.filterwarnings(action="ignore", message=".*was already imported", category=UserWarning)
warnings.filterwarnings(action="ignore", category=DeprecationWarning)

from lib.controller.controller import start
from lib.core.common import banner
from lib.core.common import dataToStdout
from lib.core.common import getUnicode
from lib.core.common import setPaths
from lib.core.common import weAreFrozen
from lib.core.convert import stdoutencode
from lib.core.data import cmdLineOptions
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import paths
from lib.core.common import unhandledExceptionMessage
from lib.core.exception import exceptionsTuple
from lib.core.exception import SqlmapMissingDependence
from lib.core.exception import SqlmapSilentQuitException
from lib.core.exception import SqlmapUserQuitException
from lib.core.log import FORMATTER
from lib.core.log import LOGGER_HANDLER
from lib.core.log import LOGGER_OUTPUT
from lib.core.option import init
from lib.core.profiling import profile
from lib.core.settings import LEGAL_DISCLAIMER
from lib.core.settings import RESTAPI_SERVER_PORT
from lib.core.testing import smokeTest
from lib.core.testing import liveTest
from lib.parse.cmdline import cmdLineParser
from lib.utils.restapi import restAPIRun
from lib.utils.restapi import restAPISetup

def modulePath():
    """
    This will get us the program's directory, even if we are frozen
    using py2exe
    """

    return os.path.dirname(getUnicode(sys.executable if weAreFrozen() else __file__, sys.getfilesystemencoding()))

def restAPIServe():
    # Increase default logging level to debug for RESTful API
    logger.setLevel(logging.DEBUG)

    # Enforce batch mode and disable coloring for RESTful API
    cmdLineOptions.batch = True
    cmdLineOptions.disableColoring = True

    # Setup RESTful API
    restAPISetup(port=cmdLineOptions.restApiPort or RESTAPI_SERVER_PORT)

    # Wrap logger stdout onto a custom file descriptor (LOGGER_OUTPUT)
    def emit(self, record):
        message = stdoutencode(FORMATTER.format(record))
        print >>LOGGER_OUTPUT, message.strip('\r')
    LOGGER_HANDLER.emit = types.MethodType(emit, LOGGER_HANDLER, type(LOGGER_HANDLER))

    # Wrap standard output onto a custom file descriptor
    sys.stdout = StringIO.StringIO()
    #sys.stderr = StringIO.StringIO()

    # Run RESTful API
    restAPIRun(port=cmdLineOptions.restApiPort or RESTAPI_SERVER_PORT)

def main():
    """
    Main function of sqlmap when running from command line.
    """

    try:
        paths.SQLMAP_ROOT_PATH = modulePath()
        setPaths()
        banner()

        dataToStdout("[!] legal disclaimer: %s\n\n" % LEGAL_DISCLAIMER, forceOutput=True)
        dataToStdout("[*] starting at %s\n\n" % time.strftime("%X"), forceOutput=True)

        # Store original command line options for possible later restoration
        cmdLineOptions.update(cmdLineParser().__dict__)

        if cmdLineOptions.restApi:
            restAPIServe()
        else:
            init(cmdLineOptions)

            if conf.profile:
                profile()
            elif conf.smokeTest:
                smokeTest()
            elif conf.liveTest:
                liveTest()
            else:
                start()

    except SqlmapUserQuitException:
        errMsg = "user quit"
        logger.error(errMsg)

    except (SqlmapSilentQuitException, bdb.BdbQuit):
        pass

    except exceptionsTuple, e:
        e = getUnicode(e)
        logger.critical(e)
        sys.exit(1)

    except KeyboardInterrupt:
        print
        errMsg = "user aborted"
        logger.error(errMsg)

    except EOFError:
        print
        errMsg = "exit"
        logger.error(errMsg)

    except SystemExit:
        pass

    except:
        print
        errMsg = unhandledExceptionMessage()
        logger.critical(errMsg)
        traceback.print_exc()

    finally:
        dataToStdout("\n[*] shutting down at %s\n\n" % time.strftime("%X"), forceOutput=True)

        kb.threadContinue = False
        kb.threadException = True

        if conf.get("hashDB"):
            try:
                conf.hashDB.flush(True)
            except KeyboardInterrupt:
                pass

        # Reference: http://stackoverflow.com/questions/1635080/terminate-a-multi-thread-python-program
        if conf.get("threads", 0) > 1 or conf.get("dnsServer"):
            os._exit(0)