Python debug.match方法代碼示例

# 需要導入模塊: from scapy.sendrecv import debug [as 別名]
# 或者: from scapy.sendrecv.debug import match [as 別名]
def load_from_dnet(self):
        """Populate interface table via dnet"""
        for i in pcapdnet.dnet.intf():
            try:
                # XXX: Only Ethernet for the moment: localhost is not supported by dnet and pcap
                # We only take interfaces that have an IP address, because the IP
                # is used for the mapping between dnet and pcap interface names
                # and this significantly improves Scapy's startup performance
                if i["name"].startswith("eth") and "addr" in i:
                    self.data[i["name"]] = NetworkInterface(i)
            except (KeyError, PcapNameNotFoundError):
                pass
        if len(self.data) == 0:
            log_loading.warning("No match between your pcap and dnet network interfaces found. "
                                "You probably won't be able to send packets. "
                                "Deactivating unneeded interfaces and restarting Scapy might help.") 

# 需要導入模塊: from scapy.sendrecv import debug [as 別名]
# 或者: from scapy.sendrecv.debug import match [as 別名]
def load_from_powershell(self):
        for i in get_windows_if_list():
            try:
                interface = NetworkInterface(i)
                self.data[interface.name] = interface
            except (KeyError, PcapNameNotFoundError):
                pass
        if len(self.data) == 0:
            log_loading.warning("No match between your pcap and windows network interfaces found. "
                                "You probably won't be able to send packets. "
                                "Deactivating unneeded interfaces and restarting Scapy might help."
                                "Check your winpcap and powershell installation, and access rights.") 

# 需要導入模塊: from scapy.sendrecv import debug [as 別名]
# 或者: from scapy.sendrecv.debug import match [as 別名]
def _where(filename, dirs=[], env="PATH"):
    """Find file in current dir or system path"""
    if not isinstance(dirs, list):
        dirs = [dirs]
    if glob(filename):
        return filename
    paths = [os.curdir] + os.environ[env].split(os.path.pathsep) + dirs
    for path in paths:
        for match in glob(os.path.join(path, filename)):
            if match:
                return os.path.normpath(match)
    raise IOError("File not found: %s" % filename) 

# 需要導入模塊: from scapy.sendrecv import debug [as 別名]
# 或者: from scapy.sendrecv.debug import match [as 別名]
def read_routes():
    ok = 0
    routes = []
    ip = '(\d+\.\d+\.\d+\.\d+)'
    # On Vista and Windows 7 the gateway can be IP or 'On-link'.
    # But the exact 'On-link' string depends on the locale, so we allow any text.
    gw_pattern = '(.+)'
    metric_pattern = "(\d+)"
    delim = "\s+"        # The columns are separated by whitespace
    netstat_line = delim.join([ip, ip, gw_pattern, ip, metric_pattern])
    pattern = re.compile(netstat_line)
    f=os.popen("netstat -rn")
    for l in f.readlines():
        match = re.search(pattern,l)
        if match:
            dest   = match.group(1)
            mask   = match.group(2)
            gw     = match.group(3)
            netif  = match.group(4)
            metric = match.group(5)
            try:
                intf = pcapdnet.dnet.intf().get_dst(pcapdnet.dnet.addr(type=2, addrtxt=dest))
            except OSError:
                log_loading.warning("Building Scapy's routing table: Couldn't get outgoing interface for destination %s" % dest)
                continue               
            if not intf.has_key("addr"):
                break
            addr = str(intf["addr"])
            addr = addr.split("/")[0]
            
            dest = atol(dest)
            mask = atol(mask)
            # If the gateway is no IP we assume it's on-link
            gw_ipmatch = re.search('\d+\.\d+\.\d+\.\d+', gw)
            if gw_ipmatch:
                gw = gw_ipmatch.group(0)
            else:
                gw = netif
            routes.append((dest,mask,gw, str(intf["name"]), addr))
    f.close()
    return routes 

# 需要導入模塊: from scapy.sendrecv import debug [as 別名]
# 或者: from scapy.sendrecv.debug import match [as 別名]
def read_routes():
    routes = []
    if_index = '(\d+)'
    dest = '(\d+\.\d+\.\d+\.\d+)/(\d+)'
    next_hop = '(\d+\.\d+\.\d+\.\d+)'
    metric_pattern = "(\d+)"
    delim = "\s+"        # The columns are separated by whitespace
    netstat_line = delim.join([if_index, dest, next_hop, metric_pattern])
    pattern = re.compile(netstat_line)
    # This works only starting from Windows 8/2012 and up. For older Windows another solution is needed
    ps = sp.Popen(['powershell', 'Get-NetRoute', '-AddressFamily IPV4', '|', 'select ifIndex, DestinationPrefix, NextHop, RouteMetric'], stdout = sp.PIPE, universal_newlines = True)
    stdout, stdin = ps.communicate(timeout = 10)
    for l in stdout.split('\n'):
        match = re.search(pattern,l)
        if match:
            try:
                iface = devname_from_index(int(match.group(1)))
                addr = ifaces[iface].ip
            except:
                continue
            dest = atol(match.group(2))
            mask = itom(int(match.group(3)))
            gw = match.group(4)
            # try:
            #     intf = pcapdnet.dnet.intf().get_dst(pcapdnet.dnet.addr(type=2, addrtxt=dest))
            # except OSError:
            #     log_loading.warning("Building Scapy's routing table: Couldn't get outgoing interface for destination %s" % dest)
            #     continue               
            routes.append((dest, mask, gw, iface, addr))
    return routes 

# 需要導入模塊: from scapy.sendrecv import debug [as 別名]
# 或者: from scapy.sendrecv.debug import match [as 別名]
def _update_pcapdata(self):
        """Supplement more info from pypcap and the Windows registry"""
        
        # XXX: We try eth0 - eth29 by bruteforce and match by IP address, 
        # because only the IP is available in both pypcap and dnet.
        # This may not work with unorthodox network configurations and is
        # slow because we have to walk through the Windows registry.
        for n in range(30):
            guess = "eth%s" % n
            win_name = pcapdnet.pcap.ex_name(guess)
            if win_name.endswith("}"):
                try:
                    uuid = win_name[win_name.index("{"):win_name.index("}")+1]
                    keyname = r"SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%s" % uuid
                    try:
                        key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, keyname)
                    except WindowsError:
                        log_loading.debug("Couldn't open 'HKEY_LOCAL_MACHINE\\%s' (for guessed pcap iface name '%s')." % (keyname, guess))
                        continue
                    try:    
                        fixed_ip = _winreg.QueryValueEx(key, "IPAddress")[0][0].encode("utf-8")
                    except (WindowsError, UnicodeDecodeError, IndexError):
                        fixed_ip = None
                    try:
                        dhcp_ip = _winreg.QueryValueEx(key, "DhcpIPAddress")[0].encode("utf-8")
                    except (WindowsError, UnicodeDecodeError, IndexError):
                        dhcp_ip = None
                    # "0.0.0.0" or None means the value is not set (at least not correctly).
                    # If both fixed_ip and dhcp_ip are set, fixed_ip takes precedence 
                    if fixed_ip is not None and fixed_ip != "0.0.0.0":
                        ip = fixed_ip
                    elif dhcp_ip is not None and dhcp_ip != "0.0.0.0":
                        ip = dhcp_ip
                    else:
                        continue
                except IOError:
                    continue
                else:
                    if ip == self.ip:
                        self.pcap_name = guess
                        self.win_name = win_name
                        self.uuid = uuid
                        break
        else:
            raise PcapNameNotFoundError