Python conf.checkIPaddr方法代碼示例

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def answers(self, other):
        if not isinstance(other,IP):
            return 0
        if conf.checkIPaddr and (self.dst != other.src):
            return 0
        if ( (self.proto == socket.IPPROTO_ICMP) and
             (isinstance(self.payload, ICMP)) and
             (self.payload.type in [3,4,5,11,12]) ):
            # ICMP error message
            return self.payload.payload.answers(other)

        else:
            if ( (conf.checkIPaddr and (self.src != other.dst)) or
                 (self.proto != other.proto) ):
                return 0
            return self.payload.answers(other.payload) 

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def hashret(self):
        if ( (self.proto == socket.IPPROTO_ICMP)
             and (isinstance(self.payload, ICMP))
             and (self.payload.type in [3,4,5,11,12]) ):
            return self.payload.payload.hashret()
        else:
            if conf.checkIPsrc and conf.checkIPaddr:
                return strxor(inet_aton(self.src),inet_aton(self.dst))+struct.pack("B",self.proto)+self.payload.hashret()
            else:
                return struct.pack("B", self.proto)+self.payload.hashret() 

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def hashret(self):
        if ((self.proto == socket.IPPROTO_ICMP) and
            (isinstance(self.payload, ICMP)) and
                (self.payload.type in [3, 4, 5, 11, 12])):
            return self.payload.payload.hashret()
        if not conf.checkIPinIP and self.proto in [4, 41]:  # IP, IPv6
            return self.payload.hashret()
        if self.dst == "224.0.0.251":  # mDNS
            return struct.pack("B", self.proto) + self.payload.hashret()
        if conf.checkIPsrc and conf.checkIPaddr:
            return (strxor(inet_pton(socket.AF_INET, self.src),
                           inet_pton(socket.AF_INET, self.dst)) +
                    struct.pack("B", self.proto) + self.payload.hashret())
        return struct.pack("B", self.proto) + self.payload.hashret() 

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def answers(self, other):
        if not conf.checkIPinIP:  # skip IP in IP and IPv6 in IP
            if self.proto in [4, 41]:
                return self.payload.answers(other)
            if isinstance(other, IP) and other.proto in [4, 41]:
                return self.answers(other.payload)
            if conf.ipv6_enabled \
               and isinstance(other, scapy.layers.inet6.IPv6) \
               and other.nh in [4, 41]:
                return self.answers(other.payload)
        if not isinstance(other, IP):
            return 0
        if conf.checkIPaddr:
            if other.dst == "224.0.0.251" and self.dst == "224.0.0.251":  # mDNS  # noqa: E501
                return self.payload.answers(other.payload)
            elif (self.dst != other.src):
                return 0
        if ((self.proto == socket.IPPROTO_ICMP) and
            (isinstance(self.payload, ICMP)) and
                (self.payload.type in [3, 4, 5, 11, 12])):
            # ICMP error message
            return self.payload.payload.answers(other)

        else:
            if ((conf.checkIPaddr and (self.src != other.dst)) or
                    (self.proto != other.proto)):
                return 0
            return self.payload.answers(other.payload) 

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def dhcp_request(iface=None, **kargs):
    """Send a DHCP discover request and return the answer"""
    if conf.checkIPaddr:
        warning(
            "conf.checkIPaddr is enabled, may not be able to match the answer"
        )
    if iface is None:
        iface = conf.iface
    fam, hw = get_if_raw_hwaddr(iface)
    return srp1(Ether(dst="ff:ff:ff:ff:ff:ff") / IP(src="0.0.0.0", dst="255.255.255.255") / UDP(sport=68, dport=67) /  # noqa: E501
                BOOTP(chaddr=hw) / DHCP(options=[("message-type", "discover"), "end"]), iface=iface, **kargs)  # noqa: E501 

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def hashret(self):
        if self.nh == 58 and isinstance(self.payload, _ICMPv6):
            if self.payload.type < 128:
                return self.payload.payload.hashret()
            elif (self.payload.type in [133,134,135,136,144,145]):
                return struct.pack("B", self.nh)+self.payload.hashret()

        nh = self.nh
        sd = self.dst
        ss = self.src
        if self.nh == 43 and isinstance(self.payload, IPv6ExtHdrRouting):
            # With routing header, the destination is the last 
            # address of the IPv6 list if segleft > 0 
            nh = self.payload.nh
            try:
                sd = self.addresses[-1]
            except IndexError:
                sd = '::1'
            # TODO: big bug with ICMPv6 error messages as the destination of IPerror6
            #       could be anything from the original list ...
            if 1:
                sd = inet_pton(socket.AF_INET6, sd)
                for a in self.addresses:
                    a = inet_pton(socket.AF_INET6, a)
                    sd = strxor(sd, a)
                sd = inet_ntop(socket.AF_INET6, sd)

        if self.nh == 44 and isinstance(self.payload, IPv6ExtHdrFragment):
            nh = self.payload.nh 

        if self.nh == 0 and isinstance(self.payload, IPv6ExtHdrHopByHop):
            nh = self.payload.nh 

        if self.nh == 60 and isinstance(self.payload, IPv6ExtHdrDestOpt):
            foundhao = None
            for o in self.payload.options:
                if isinstance(o, HAO):
                    foundhao = o
            if foundhao:
                nh = self.payload.nh # XXX what if another extension follows ?
                ss = foundhao.hoa

        if conf.checkIPsrc and conf.checkIPaddr:
            sd = inet_pton(socket.AF_INET6, sd)
            ss = inet_pton(socket.AF_INET6, self.src)
            return struct.pack("B",nh)+self.payload.hashret()
        else:
            return struct.pack("B", nh)+self.payload.hashret() 

# 需要導入模塊: from scapy.config import conf [as 別名]
# 或者: from scapy.config.conf import checkIPaddr [as 別名]
def answers(self, other):
        if not isinstance(other, IPv6): # self is reply, other is request
            return False
        if conf.checkIPaddr: 
            ss = inet_pton(socket.AF_INET6, self.src)
            sd = inet_pton(socket.AF_INET6, self.dst)
            os = inet_pton(socket.AF_INET6, other.src)
            od = inet_pton(socket.AF_INET6, other.dst)
            # request was sent to a multicast address (other.dst)
            # Check reply destination addr matches request source addr (i.e 
            # sd == os) except when reply is multicasted too
            # XXX test mcast scope matching ?
            if in6_ismaddr(other.dst):
                if in6_ismaddr(self.dst):
                    if ((od == sd) or 
                        (in6_isaddrllallnodes(self.dst) and in6_isaddrllallservers(other.dst))):
                         return self.payload.answers(other.payload)
                    return False
                if (os == sd): 
                    return self.payload.answers(other.payload)
                return False
            elif (sd != os): # or ss != od): <- removed for ICMP errors 
                return False
        if self.nh == 58 and isinstance(self.payload, _ICMPv6) and self.payload.type < 128:
            # ICMPv6 Error message -> generated by IPv6 packet
            # Note : at the moment, we jump the ICMPv6 specific class
            # to call answers() method of erroneous packet (over
            # initial packet). There can be cases where an ICMPv6 error
            # class could implement a specific answers method that perform
            # a specific task. Currently, don't see any use ...
            return self.payload.payload.answers(other)
        elif other.nh == 0 and isinstance(other.payload, IPv6ExtHdrHopByHop):
            return self.payload.answers(other.payload.payload) 
        elif other.nh == 44 and isinstance(other.payload, IPv6ExtHdrFragment):
            return self.payload.answers(other.payload.payload) 
        elif other.nh == 43 and isinstance(other.payload, IPv6ExtHdrRouting):
            return self.payload.answers(other.payload.payload) # Buggy if self.payload is a IPv6ExtHdrRouting
        elif other.nh == 60 and isinstance(other.payload, IPv6ExtHdrDestOpt):
            return self.payload.payload.answers(other.payload.payload)
        elif self.nh == 60 and isinstance(self.payload, IPv6ExtHdrDestOpt): # BU in reply to BRR, for instance
            return self.payload.payload.answers(other.payload)
        else:
            if (self.nh != other.nh):
                return False
            return self.payload.answers(other.payload)