removed dpkt

1 files changed, 0 insertions, 342 deletions

diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/dns.py b/scripts/external_libs/dpkt-1.8.6/dpkt/dns.py
deleted file mode 100644
index 24ca1bd6..00000000
--- a/scripts/external_libs/dpkt-1.8.6/dpkt/dns.py
+++ /dev/null
@@ -1,342 +0,0 @@
-# $Id: dns.py 27 2006-11-21 01:22:52Z dahelder $
-
-"""Domain Name System."""
-
-import struct
-import dpkt
-
-DNS_Q = 0
-DNS_R = 1
-
-# Opcodes
-DNS_QUERY = 0
-DNS_IQUERY = 1
-DNS_STATUS = 2
-DNS_NOTIFY = 4
-DNS_UPDATE = 5
-
-# Flags
-DNS_CD = 0x0010	# checking disabled
-DNS_AD = 0x0020	# authenticated data
-DNS_Z =  0x0040	# unused
-DNS_RA = 0x0080	# recursion available
-DNS_RD = 0x0100	# recursion desired
-DNS_TC = 0x0200	# truncated
-DNS_AA = 0x0400	# authoritative answer
-DNS_QR = 0x8000 # response ( query / response )
-
-# Response codes
-DNS_RCODE_NOERR = 0
-DNS_RCODE_FORMERR = 1
-DNS_RCODE_SERVFAIL = 2
-DNS_RCODE_NXDOMAIN = 3
-DNS_RCODE_NOTIMP = 4
-DNS_RCODE_REFUSED = 5
-DNS_RCODE_YXDOMAIN = 6
-DNS_RCODE_YXRRSET = 7
-DNS_RCODE_NXRRSET = 8
-DNS_RCODE_NOTAUTH = 9
-DNS_RCODE_NOTZONE = 10
-
-# RR types
-DNS_A = 1
-DNS_NS = 2
-DNS_CNAME = 5
-DNS_SOA = 6
-DNS_PTR = 12
-DNS_HINFO = 13
-DNS_MX = 15
-DNS_TXT = 16
-DNS_AAAA = 28
-DNS_SRV = 33
-
-# RR classes
-DNS_IN = 1
-DNS_CHAOS = 3
-DNS_HESIOD = 4
-DNS_ANY = 255
-
-def pack_name(name, off, label_ptrs):
-    if name:
-        labels = name.split('.')
-    else:
-        labels = []
-    labels.append('')
-    buf = ''
-    for i, label in enumerate(labels):
-        key = '.'.join(labels[i:]).upper()
-        ptr = label_ptrs.get(key)
-        if not ptr:
-            if len(key) > 1:
-                ptr = off + len(buf)
-                if ptr < 0xc000:
-                    label_ptrs[key] = ptr
-            i = len(label)
-            buf += chr(i) + label
-        else:
-            buf += struct.pack('>H', (0xc000 | ptr))
-            break
-    return buf
-
-def unpack_name(buf, off):
-    name = ''
-    saved_off = 0
-    for i in range(100): # XXX
-        n = ord(buf[off])
-        if n == 0:
-            off += 1
-            break
-        elif (n & 0xc0) == 0xc0:
-            ptr = struct.unpack('>H', buf[off:off+2])[0] & 0x3fff
-            off += 2
-            if not saved_off:
-                saved_off = off
-            # XXX - don't use recursion!@#$
-            name = name + unpack_name(buf, ptr)[0] + '.'
-            break
-        else:
-            off += 1
-            name = name + buf[off:off+n] + '.'
-            if len(name) > 255:
-                raise dpkt.UnpackError('name longer than 255 bytes')
-            off += n
-    return name.strip('.'), off
-
-class DNS(dpkt.Packet):
-    __hdr__ = (
-        ('id', 'H', 0),
-        ('op', 'H', DNS_RD),	# recursive query
-        # XXX - lists of query, RR objects
-        ('qd', 'H', []),
-        ('an', 'H', []),
-        ('ns', 'H', []),
-        ('ar', 'H', [])
-        )
-    def get_qr(self):
-        return int((self.op & DNS_QR) == DNS_QR)
-    def set_qr(self, v):
-        if v: self.op |= DNS_QR
-        else: self.op &= ~DNS_QR
-    qr = property(get_qr, set_qr)
-
-    def get_opcode(self):
-        return (self.op >> 11) & 0xf
-    def set_opcode(self, v):
-        self.op = (self.op & ~0x7800) | ((v & 0xf) << 11)
-    opcode = property(get_opcode, set_opcode)
-
-    def get_aa(self):
-        return int((self.op & DNS_AA) == DNS_AA)
-    def set_aa(self, v):
-        if v: self.op |= DNS_AA
-        else: self.op &= ~DNS_AA
-    aa = property(get_aa, set_aa)
-
-    def get_rd(self):
-        return int((self.op & DNS_RD) == DNS_RD)
-    def set_rd(self,v):
-        if v: self.op |= DNS_RD
-        else: self.op &= ~DNS_RD
-    rd = property(get_rd, set_rd)
-
-    def get_ra(self):
-        return int((self.op & DNS_RA) == DNS_RA)
-    def set_ra(self,v):
-        if v: self.op |= DNS_RA
-        else: self.op &= ~DNS_RA
-    ra = property(get_ra, set_ra)
-
-    def get_zero(self):
-        return int((self.op & DNS_Z) == DNS_Z)
-    def set_zero(self, v):
-        if v: self.op |= DNS_Z
-        else: self.op &= ~DNS_Z
-    zero = property(get_zero, set_zero)
-
-    def get_rcode(self):
-        return self.op & 0xf
-    def set_rcode(self, v):
-        self.op = (self.op & ~0xf) | (v & 0xf)
-    rcode = property(get_rcode, set_rcode)
-
-    class Q(dpkt.Packet):
-        """DNS question."""
-        __hdr__ = (
-            ('name', '1025s', ''),
-            ('type', 'H', DNS_A),
-            ('cls', 'H', DNS_IN)
-            )
-        # XXX - suk
-        def __len__(self):
-            raise NotImplementedError
-        __str__ = __len__
-        def unpack(self, buf):
-            raise NotImplementedError
-
-    class RR(Q):
-        """DNS resource record."""
-        __hdr__ = (
-            ('name', '1025s', ''),
-            ('type', 'H', DNS_A),
-            ('cls', 'H', DNS_IN),
-            ('ttl', 'I', 0),
-            ('rlen', 'H', 4),
-            ('rdata', 's', '')
-            )
-        def pack_rdata(self, off, label_ptrs):
-            # XXX - yeah, this sux
-            if self.rdata:
-                return self.rdata
-            if self.type == DNS_A:
-                return self.ip
-            elif self.type == DNS_NS:
-                return pack_name(self.nsname, off, label_ptrs)
-            elif self.type == DNS_CNAME:
-                return pack_name(self.cname, off, label_ptrs)
-            elif self.type == DNS_PTR:
-                return pack_name(self.ptrname, off, label_ptrs)
-            elif self.type == DNS_SOA:
-                l = []
-                l.append(pack_name(self.mname, off, label_ptrs))
-                l.append(pack_name(self.rname, off + len(l[0]), label_ptrs))
-                l.append(struct.pack('>IIIII', self.serial, self.refresh,
-                                     self.retry, self.expire, self.minimum))
-                return ''.join(l)
-            elif self.type == DNS_MX:
-                return struct.pack('>H', self.preference) + \
-                       pack_name(self.mxname, off + 2, label_ptrs)
-            elif self.type == DNS_TXT or self.type == DNS_HINFO:
-                return ''.join([ '%s%s' % (chr(len(x)), x)
-                                 for x in self.text ])
-            elif self.type == DNS_AAAA:
-                return self.ip6
-            elif self.type == DNS_SRV:
-                return struct.pack('>HHH', self.priority, self.weight, self.port) + \
-                       pack_name(self.srvname, off + 6, label_ptrs)
-        
-        def unpack_rdata(self, buf, off):
-            if self.type == DNS_A:
-                self.ip = self.rdata
-            elif self.type == DNS_NS:
-                self.nsname, off = unpack_name(buf, off)
-            elif self.type == DNS_CNAME:
-                self.cname, off = unpack_name(buf, off)
-            elif self.type == DNS_PTR:
-                self.ptrname, off = unpack_name(buf, off)
-            elif self.type == DNS_SOA:
-                self.mname, off = unpack_name(buf, off)
-                self.rname, off = unpack_name(buf, off)
-                self.serial, self.refresh, self.retry, self.expire, \
-                    self.minimum = struct.unpack('>IIIII', buf[off:off+20])
-            elif self.type == DNS_MX:
-                self.preference = struct.unpack('>H', self.rdata[:2])
-                self.mxname, off = unpack_name(buf, off+2)
-            elif self.type == DNS_TXT or self.type == DNS_HINFO:
-                self.text = []
-                buf = self.rdata
-                while buf:
-                    n = ord(buf[0])
-                    self.text.append(buf[1:1+n])
-                    buf = buf[1+n:]
-            elif self.type == DNS_AAAA:
-                self.ip6 = self.rdata
-            elif self.type == DNS_SRV:
-                self.priority, self.weight, self.port = \
-                    struct.unpack('>HHH', self.rdata[:6])
-                self.srvname, off = unpack_name(buf, off+6)
-    
-    def pack_q(self, buf, q):
-        """Append packed DNS question and return buf."""
-        return buf + pack_name(q.name, len(buf), self.label_ptrs) + \
-               struct.pack('>HH', q.type, q.cls)
-    
-    def unpack_q(self, buf, off):
-        """Return DNS question and new offset."""
-        q = self.Q()
-        q.name, off = unpack_name(buf, off)
-        q.type, q.cls = struct.unpack('>HH', buf[off:off+4])
-        off += 4
-        return q, off
-
-    def pack_rr(self, buf, rr):
-        """Append packed DNS RR and return buf."""
-        name = pack_name(rr.name, len(buf), self.label_ptrs)
-        rdata = rr.pack_rdata(len(buf) + len(name) + 10, self.label_ptrs)
-        return buf + name + struct.pack('>HHIH', rr.type, rr.cls, rr.ttl,
-                                        len(rdata)) + rdata
-    
-    def unpack_rr(self, buf, off):
-        """Return DNS RR and new offset."""
-        rr = self.RR()
-        rr.name, off = unpack_name(buf, off)
-        rr.type, rr.cls, rr.ttl, rdlen = struct.unpack('>HHIH', buf[off:off+10])
-        off += 10
-        rr.rdata = buf[off:off+rdlen]
-        rr.unpack_rdata(buf, off)
-        off += rdlen
-        return rr, off
-    
-    def unpack(self, buf):
-        dpkt.Packet.unpack(self, buf)
-        off = self.__hdr_len__
-        cnt = self.qd
-        self.qd = []
-        for i in range(cnt):
-            q, off = self.unpack_q(buf, off)
-            self.qd.append(q)
-        for x in ('an', 'ns', 'ar'):
-            cnt = getattr(self, x, 0)
-            setattr(self, x, [])
-            for i in range(cnt):
-                rr, off = self.unpack_rr(buf, off)
-                getattr(self, x).append(rr)
-        self.data = ''
-
-    def __len__(self):
-        # XXX - cop out
-        return len(str(self))
-
-    def __str__(self):
-        # XXX - compress names on the fly
-        self.label_ptrs = {}
-        buf = struct.pack(self.__hdr_fmt__, self.id, self.op, len(self.qd),
-                          len(self.an), len(self.ns), len(self.ar))
-        for q in self.qd:
-            buf = self.pack_q(buf, q)
-        for x in ('an', 'ns', 'ar'):
-            for rr in getattr(self, x):
-                buf = self.pack_rr(buf, rr)
-        del self.label_ptrs
-        return buf
-
-if __name__ == '__main__':
-    import unittest
-    from ip import IP
-
-    class DNSTestCase(unittest.TestCase):
-        def test_basic(self):
-            s = 'E\x00\x02\x08\xc15\x00\x00\x80\x11\x92aBk0\x01Bk0w\x005\xc07\x01\xf4\xda\xc2d\xd2\x81\x80\x00\x01\x00\x03\x00\x0b\x00\x0b\x03www\x06google\x03com\x00\x00\x01\x00\x01\xc0\x0c\x00\x05\x00\x01\x00\x00\x03V\x00\x17\x03www\x06google\x06akadns\x03net\x00\xc0,\x00\x01\x00\x01\x00\x00\x01\xa3\x00\x04@\xe9\xabh\xc0,\x00\x01\x00\x01\x00\x00\x01\xa3\x00\x04@\xe9\xabc\xc07\x00\x02\x00\x01\x00\x00KG\x00\x0c\x04usw5\x04akam\xc0>\xc07\x00\x02\x00\x01\x00\x00KG\x00\x07\x04usw6\xc0t\xc07\x00\x02\x00\x01\x00\x00KG\x00\x07\x04usw7\xc0t\xc07\x00\x02\x00\x01\x00\x00KG\x00\x08\x05asia3\xc0t\xc07\x00\x02\x00\x01\x00\x00KG\x00\x05\x02za\xc07\xc07\x00\x02\x00\x01\x00\x00KG\x00\x0f\x02zc\x06akadns\x03org\x00\xc07\x00\x02\x00\x01\x00\x00KG\x00\x05\x02zf\xc07\xc07\x00\x02\x00\x01\x00\x00KG\x00\x05\x02zh\xc0\xd5\xc07\x00\x02\x00\x01\x00\x00KG\x00\x07\x04eur3\xc0t\xc07\x00\x02\x00\x01\x00\x00KG\x00\x07\x04use2\xc0t\xc07\x00\x02\x00\x01\x00\x00KG\x00\x07\x04use4\xc0t\xc0\xc1\x00\x01\x00\x01\x00\x00\xfb4\x00\x04\xd0\xb9\x84\xb0\xc0\xd2\x00\x01\x00\x01\x00\x001\x0c\x00\x04?\xf1\xc76\xc0\xed\x00\x01\x00\x01\x00\x00\xfb4\x00\x04?\xd7\xc6S\xc0\xfe\x00\x01\x00\x01\x00\x001\x0c\x00\x04?\xd00.\xc1\x0f\x00\x01\x00\x01\x00\x00\n\xdf\x00\x04\xc1-\x01g\xc1"\x00\x01\x00\x01\x00\x00\x101\x00\x04?\xd1\xaa\x88\xc15\x00\x01\x00\x01\x00\x00\r\x1a\x00\x04PCC\xb6\xc0o\x00\x01\x00\x01\x00\x00\x10\x7f\x00\x04?\xf1I\xd6\xc0\x87\x00\x01\x00\x01\x00\x00\n\xdf\x00\x04\xce\x84dl\xc0\x9a\x00\x01\x00\x01\x00\x00\n\xdf\x00\x04A\xcb\xea\x1b\xc0\xad\x00\x01\x00\x01\x00\x00\x0b)\x00\x04\xc1l\x9a\t'
-            ip = IP(s)
-            dns = DNS(ip.udp.data)
-            self.failUnless(dns.qd[0].name == 'www.google.com' and
-                            dns.an[1].name == 'www.google.akadns.net')
-            s = '\x05\xf5\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03www\x03cnn\x03com\x00\x00\x01\x00\x01'
-            dns = DNS(s)
-            self.failUnless(s == str(dns))
-
-        def test_PTR(self):
-            s = 'g\x02\x81\x80\x00\x01\x00\x01\x00\x03\x00\x00\x011\x011\x03211\x03141\x07in-addr\x04arpa\x00\x00\x0c\x00\x01\xc0\x0c\x00\x0c\x00\x01\x00\x00\r6\x00$\x07default\nv-umce-ifs\x05umnet\x05umich\x03edu\x00\xc0\x0e\x00\x02\x00\x01\x00\x00\r6\x00\r\x06shabby\x03ifs\xc0O\xc0\x0e\x00\x02\x00\x01\x00\x00\r6\x00\x0f\x0cfish-license\xc0m\xc0\x0e\x00\x02\x00\x01\x00\x00\r6\x00\x0b\x04dns2\x03itd\xc0O'
-            dns = DNS(s)
-            self.failUnless(dns.qd[0].name == '1.1.211.141.in-addr.arpa' and
-                            dns.an[0].ptrname == 'default.v-umce-ifs.umnet.umich.edu' and
-                            dns.ns[0].nsname == 'shabby.ifs.umich.edu' and
-                            dns.ns[1].ttl == 3382L and
-                            dns.ns[2].nsname == 'dns2.itd.umich.edu')
-            self.failUnless(s == str(dns))
-    
-        def test_pack_name(self):
-            # Empty name is \0
-            x = pack_name('', 0, {})
-            self.assertEqual(x, '\0')
-
-    unittest.main()