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authorimarom <imarom@cisco.com>2016-03-21 16:03:47 +0200
committerimarom <imarom@cisco.com>2016-03-21 16:03:47 +0200
commitb89efa188810bf95a9d245e69e2961b5721c3b0f (patch)
tree454273ac6c4ae972ebb8a2c86b893296970b4fa9 /scripts/external_libs/scapy-python3-0.18/scapy/contrib/igmp.py
parentf72c6df9d2e9998ae1f3529d729ab7930b35785a (diff)
scapy python 2/3
Diffstat (limited to 'scripts/external_libs/scapy-python3-0.18/scapy/contrib/igmp.py')
-rw-r--r--scripts/external_libs/scapy-python3-0.18/scapy/contrib/igmp.py171
1 files changed, 0 insertions, 171 deletions
diff --git a/scripts/external_libs/scapy-python3-0.18/scapy/contrib/igmp.py b/scripts/external_libs/scapy-python3-0.18/scapy/contrib/igmp.py
deleted file mode 100644
index b3505810..00000000
--- a/scripts/external_libs/scapy-python3-0.18/scapy/contrib/igmp.py
+++ /dev/null
@@ -1,171 +0,0 @@
-#! /usr/bin/env python
-
-# scapy.contrib.description = IGMP/IGMPv2
-# scapy.contrib.status = loads
-
-
-# TODO: scapy 2 has function getmacbyip, maybe it can replace igmpize
-# at least from the MAC layer
-
-from scapy.all import *
-
-#--------------------------------------------------------------------------
-def isValidMCAddr(ip):
- """convert dotted quad string to long and check the first octet"""
- FirstOct=atol(ip)>>24 & 0xFF
- return (FirstOct >= 224) and (FirstOct <= 239)
-
-#--------------------------------------------------------------------------
-
-class IGMP(Packet):
- """IGMP Message Class for v1 and v2.
-
-This class is derived from class Packet. You need to "igmpize"
-the IP and Ethernet layers before a full packet is sent.
-a=Ether(src="00:01:02:03:04:05")
-b=IP(src="1.2.3.4")
-c=IGMP(type=0x12, gaddr="224.2.3.4")
-c.igmpize(b, a)
-print("Joining IP " + c.gaddr + " MAC " + a.dst)
-sendp(a/b/c, iface="en0")
-
- Parameters:
- type IGMP type field, 0x11, 0x12, 0x16 or 0x17
- mrtime Maximum Response time (zero for v1)
- gaddr Multicast Group Address 224.x.x.x/4
-
-See RFC2236, Section 2. Introduction for definitions of proper
-IGMPv2 message format http://www.faqs.org/rfcs/rfc2236.html
-
- """
- name = "IGMP"
-
- igmptypes = { 0x11 : "Group Membership Query",
- 0x12 : "Version 1 - Membership Report",
- 0x16 : "Version 2 - Membership Report",
- 0x17 : "Leave Group"}
-
- fields_desc = [ ByteEnumField("type", 0x11, igmptypes),
- ByteField("mrtime",20),
- XShortField("chksum", None),
- IPField("gaddr", "0.0.0.0")]
-
-#--------------------------------------------------------------------------
- def post_build(self, p, pay):
- """Called implicitly before a packet is sent to compute and place IGMP checksum.
-
- Parameters:
- self The instantiation of an IGMP class
- p The IGMP message in hex in network byte order
- pay Additional payload for the IGMP message
- """
- p += pay
- if self.chksum is None:
- ck = checksum(p)
- p = p[:2]+chr(ck>>8)+chr(ck&0xff)+p[4:]
- return p
-
-#--------------------------------------------------------------------------
- def mysummary(self):
- """Display a summary of the IGMP object."""
-
- if isinstance(self.underlayer, IP):
- return self.underlayer.sprintf("IGMP: %IP.src% > %IP.dst% %IGMP.type% %IGMP.gaddr%")
- else:
- return self.sprintf("IGMP %IGMP.type% %IGMP.gaddr%")
-
-#--------------------------------------------------------------------------
- def igmpize(self, ip=None, ether=None):
- """Called to explicitely fixup associated IP and Ethernet headers
-
- Parameters:
- self The instantiation of an IGMP class.
- ip The instantiation of the associated IP class.
- ether The instantiation of the associated Ethernet.
-
- Returns:
- True The tuple ether/ip/self passed all check and represents
- a proper IGMP packet.
- False One of more validation checks failed and no fields
- were adjusted.
-
- The function will examine the IGMP message to assure proper format.
- Corrections will be attempted if possible. The IP header is then properly
- adjusted to ensure correct formatting and assignment. The Ethernet header
- is then adjusted to the proper IGMP packet format.
- """
-
-# The rules are:
-# 1. the Max Response time is meaningful only in Membership Queries and should be zero
-# otherwise (RFC 2236, section 2.2)
-
- if (self.type != 0x11): #rule 1
- self.mrtime = 0
-
- if (self.adjust_ip(ip) == True):
- if (self.adjust_ether(ip, ether) == True): return True
- return False
-
-#--------------------------------------------------------------------------
- def adjust_ether (self, ip=None, ether=None):
- """Called to explicitely fixup an associated Ethernet header
-
- The function adjusts the ethernet header destination MAC address based on
- the destination IP address.
- """
-# The rules are:
-# 1. send to the group mac address address corresponding to the IP.dst
- if ip != None and ip.haslayer(IP) and ether != None and ether.haslayer(Ether):
- iplong = atol(ip.dst)
- ether.dst = "01:00:5e:%02x:%02x:%02x" % ( (iplong>>16)&0x7F, (iplong>>8)&0xFF, (iplong)&0xFF )
- # print "igmpize ip " + ip.dst + " as mac " + ether.dst
- return True
- else:
- return False
-
-#--------------------------------------------------------------------------
- def adjust_ip (self, ip=None):
- """Called to explicitely fixup an associated IP header
-
- The function adjusts the IP header based on conformance rules
- and the group address encoded in the IGMP message.
- The rules are:
- 1. Send General Group Query to 224.0.0.1 (all systems)
- 2. Send Leave Group to 224.0.0.2 (all routers)
- 3a.Otherwise send the packet to the group address
- 3b.Send reports/joins to the group address
- 4. ttl = 1 (RFC 2236, section 2)
- 5. send the packet with the router alert IP option (RFC 2236, section 2)
- """
- if ip != None and ip.haslayer(IP):
- if (self.type == 0x11):
- if (self.gaddr == "0.0.0.0"):
- ip.dst = "224.0.0.1" # IP rule 1
- retCode = True
- elif isValidMCAddr(self.gaddr):
- ip.dst = self.gaddr # IP rule 3a
- retCode = True
- else:
- print("Warning: Using invalid Group Address")
- retCode = False
- elif ((self.type == 0x17) and isValidMCAddr(self.gaddr)):
- ip.dst = "224.0.0.2" # IP rule 2
- retCode = True
- elif ((self.type == 0x12) or (self.type == 0x16)) and (isValidMCAddr(self.gaddr)):
- ip.dst = self.gaddr # IP rule 3b
- retCode = True
- else:
- print("Warning: Using invalid IGMP Type")
- retCode = False
- else:
- print("Warning: No IGMP Group Address set")
- retCode = False
- if retCode == True:
- ip.ttl=1 # IP Rule 4
- ip.options=[IPOption_Router_Alert()] # IP rule 5
- return retCode
-
-
-bind_layers( IP, IGMP, frag=0, proto=2)
-
-