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#!/router/bin/python
import pkt_bld_general_test
from client_utils.scapy_packet_builder import *
from scapy.all import *
from nose.tools import assert_equal
from nose.tools import assert_not_equal
from nose.tools import assert_raises
from nose.tools import raises
import os
import random
import pprint
class CTRexPktBuilderSanitySCapy_Test(pkt_bld_general_test.CGeneralPktBld_Test):
def setUp(self):
pass
def test_simple_vm1(self):
raw1 = CTRexScRaw( [ CTRexVmDescFlowVar(name="a",min_value="16.0.0.1",max_value="16.0.0.10",init_value="16.0.0.1",size=4,op="inc"),
CTRexVmDescWrFlowVar (fv_name="a",pkt_offset= "IP.src"),
CTRexVmDescFixIpv4(offset = "IP")]
);
pkt_builder = CScapyTRexPktBuilder();
py='5'*128
pkt=Ether()/ \
IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)/IP()/py
# set packet
pkt_builder.set_packet(pkt);
pkt_builder.add_command ( raw1 )
pkt_builder.compile();
pkt_builder.dump_scripts ()
print pkt_builder.get_vm_data()
assert_equal( pkt_builder.get_vm_data(), {'split_by_var': '', 'instructions': [{'name': 'a', 'max_value': 268435466, 'min_value': 268435457, 'init_value': 268435457, 'size': 4, 'type': 'flow_var', 'op': 'inc'}, {'is_big_endian': True, 'pkt_offset': 26, 'type': 'write_flow_var', 'name': 'a', 'add_value': 0}, {'pkt_offset': 14, 'type': 'fix_checksum_ipv4'}]} )
def test_simple_no_vm1(self):
pkt_builder = CScapyTRexPktBuilder();
py='5'*128
pkt=Ether()/ \
IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)/IP()/py
# set packet
pkt_builder.set_packet(pkt);
pkt_builder.compile();
pkt_builder.dump_scripts ()
assert_equal( pkt_builder.get_vm_data(),
{ 'instructions': [ ],
'split_by_var': ''}
)
def test_simple_scapy_vlan(self):
py='5'*(9)
p1=Ether(src="00:00:00:01:00:00",dst="00:00:00:01:00:00")/ \
Dot1Q(vlan=12)/ \
Dot1Q(vlan=17)/ \
IP(src="10.0.0.10",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)/py
p1.build();
p1.dump_layers_offset()
p1.show2();
hexdump(p1);
#wrpcap("ipv4_udp_9k.pcap", p1);
p_utl=CTRexScapyPktUtl(p1);
assert_equal(p_utl.get_pkt_layers(),"Ethernet:802.1Q:802.1Q:IP:UDP:Raw")
assert_equal(p_utl.layer_offset("802.1Q",0),14);
assert_equal(p_utl.layer_offset("802.1Q",1),18);
assert_equal(p_utl.get_field_offet_by_str("802|1Q.vlan"),(14,0));
assert_equal(p_utl.get_field_offet_by_str("802|1Q:1.vlan"),(18,0));
assert_equal(p_utl.get_field_offet_by_str("IP.src"),(34,4));
def test_simple_scapy_128_udp(self):
"""
build 128 byte packet with 0x35 as pyld
"""
pkt_size =128
p1=Ether(src="00:00:00:01:00:00",dst="00:00:00:01:00:00")/ \
IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)
pyld_size=pkt_size-len(p1);
pkt=p1/('5'*(pyld_size))
pkt.show2();
hexdump(pkt);
assert_equal(len(pkt),128)
def test_simple_scapy_9k_ip_len(self):
"""
build 9k ipv4 len packet
"""
ip_pkt_size =9*1024
p_l2=Ether(src="00:00:00:01:00:00",dst="00:00:00:01:00:00");
p_l3= IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)
pyld_size = ip_pkt_size-len(p_l3);
pkt=p_l2/p_l3/('\x55'*(pyld_size))
#pkt.show2();
#hexdump(pkt);
assert_equal(len(pkt),9*1024+14)
def test_simple_scapy_ipv6_1(self):
"""
build ipv6 packet
"""
print "start "
py='\x55'*(64)
p=Ether()/IPv6()/UDP(dport=12,sport=1025)/py
#p.build();
#p.dump_layers_offset()
hexdump(p);
p.show2();
p_utl=CTRexScapyPktUtl(p);
assert_equal(p_utl.get_field_offet_by_str("IPv6.src"),(38,16));
def test_simple_vm2(self):
raw1 = CTRexScRaw( [ CTRexVmDescFlowVar(name="my_valn",min_value=0,max_value=10,init_value=2,size=1,op="inc"),
CTRexVmDescWrFlowVar (fv_name="my_valn",pkt_offset= "802|1Q.vlan" ,offset_fixup=3) # fix the offset as valn is bitfield and not supported right now
]
);
pkt_builder = CScapyTRexPktBuilder();
py='5'*128
pkt=Ether()/ \
Dot1Q(vlan=12)/ \
IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)/IP()/py
# set packet
pkt_builder.set_packet(pkt);
pkt_builder.add_command ( raw1 )
pkt_builder.compile();
d= pkt_builder.get_vm_data()
assert_equal(d['instructions'][1]['pkt_offset'],17)
def test_simple_vm3(self):
try:
raw1 = CTRexScRaw( [ CTRexVmDescFlowVar(name="my_valn",min_value=0,max_value=10,init_value=2,size=1,op="inc"),
CTRexVmDescWrFlowVar (fv_name="my_valn_err",pkt_offset= "802|1Q.vlan" ,offset_fixup=3) # fix the offset as valn is bitfield and not supported right now
]
);
pkt_builder = CScapyTRexPktBuilder();
py='5'*128
pkt=Ether()/ \
Dot1Q(vlan=12)/ \
IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)/IP()/py
# set packet
pkt_builder.set_packet(pkt);
pkt_builder.add_command ( raw1 )
pkt_builder.compile();
d= pkt_builder.get_vm_data()
except CTRexPacketBuildException as e:
assert_equal(str(e), "[errcode:-11] 'variable my_valn_err does not exists '")
def test_simple_tuple_gen(self):
vm = CTRexScRaw( [ CTRexVmDescTupleGen (name="tuple"), # define tuple gen
CTRexVmDescWrFlowVar (fv_name="tuple.ip", pkt_offset= "IP.src" ), # write ip to packet IP.src
CTRexVmDescFixIpv4(offset = "IP"), # fix checksum
CTRexVmDescWrFlowVar (fv_name="tuple.port", pkt_offset= "UDP.sport" ) #write udp.port
]
);
pkt_builder = CScapyTRexPktBuilder();
py='5'*128
pkt=Ether()/ \
Dot1Q(vlan=12)/ \
IP(src="16.0.0.1",dst="48.0.0.1")/ \
UDP(dport=12,sport=1025)/IP()/py
# set packet
pkt_builder.set_packet(pkt);
pkt_builder.add_command ( vm )
pkt_builder.compile();
d= pkt_builder.get_vm_data()
pkt_builder.dump_vm_data_as_yaml()
assert_equal(d['instructions'][1]['pkt_offset'],30)
assert_equal(d['instructions'][3]['pkt_offset'],38)
def tearDown(self):
pass
class CTRexPktBuilderScapy_Test(pkt_bld_general_test.CGeneralPktBld_Test):
def setUp(self):
pass;
#self.pkt_bld = CTRexPktBuilder()
#self.pkt_bld.add_pkt_layer("l2", dpkt.ethernet.Ethernet())
#self.pp = pprint.PrettyPrinter(indent=4)
def tearDown(self):
pass
if __name__ == "__main__":
pass
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