117 lines
3.1 KiB
Python
Executable file
117 lines
3.1 KiB
Python
Executable file
import telnetlib
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import re
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from graphviz import Digraph
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srv = "he"
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if srv == "opentransit":
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host = "route-server.opentransit.net"
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user = "rviews"
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password = "Rviews"
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lg_asn = "5511"
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cmd = "show bgp {}"
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elif srv == "oregonuniv":
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host = "route-views.routeviews.org"
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user = "rviews"
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password = "none"
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lg_asn = "3582"
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cmd = "show bgp {}"
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elif srv == "warian":
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host = "route-server.warian.net"
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user = "none"
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password = "rviews"
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lg_asn = "56911"
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cmd = "show bgp ipv4 unicast {}"
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elif srv == "csaholdigs": #Blacklist des fois
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host = "route-views.sg.routeviews.org"
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user = "none"
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password = "none"
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lg_asn = "45494"
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cmd = "show bgp ipv4 unicast {}"
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elif srv == "he": #Blacklist des fois
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host = "route-server.he.net"
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user = "none"
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password = "none"
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lg_asn = "6939"
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cmd = "show bgp ipv4 unicast {}"
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elif srv == "iamageeknz": #Blacklist des fois
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host = "rs.as45186.net"
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user = "none"
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password = "none"
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lg_asn = "45186"
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cmd = "show bgp ipv4 unicast {}"
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elif srv == "att":
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host = "route-server.ip.att.net"
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user = "rviews"
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password = "rviews"
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lg_asn = "7018"
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cmd = "show route {}"
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# Récupération de l'IP dont on veux connaitre plus d'informations
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ip = input("IP : ")
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# Connexion à OpenTransit
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tn = telnetlib.Telnet(host)
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if user != "none":
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if(srv == "att"):
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tn.read_until("login: ".encode())
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tn.write((user + "\n").encode())
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print("ok")
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else:
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tn.read_until("Username: ".encode())
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tn.write((user + "\n").encode())
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if password != "none":
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if(srv == "att"):
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tn.read_until("Password:".encode())
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tn.write((password + "\n").encode())
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print("ok")
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else:
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tn.read_until("Password: ".encode())
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tn.write((password + "\n").encode())
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# Execution d'une commande d'information BGP
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tn.write((cmd + "\n").format(ip).encode())
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tn.write(chr(25).encode())
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tn.write(chr(25).encode())
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tn.write(chr(25).encode())
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tn.write("q\n".encode())
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tn.write("exit\n".encode())
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# Decodage des données pour les adaptées à python
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data = tn.read_all().decode("utf-8")
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print(data)
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# Récupération des données grâce à l'utilisation d'expression régulière (module re)
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paths = {}
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paths["as_list"] = re.findall(r" ([0-9][0-9 ]+),", data)
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if(paths["as_list"] == []):
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paths["as_list"] = re.findall(r" ([0-9][0-9 ]+)[^0-9.]", data)
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if(srv == "att"):
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paths["as_list"] = re.findall(r"(?<=AS path: 7018 )[0-9][0-9 ]+[^ I]", data)
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as_list = paths['as_list']
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g = Digraph('G', filename='hello', format='png', graph_attr={'rankdir':'LR', 'concentrate': 'true'})
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for as_path in as_list:
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as_path = as_path.split(" ")
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as_path.reverse()
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original_asn = as_path[0]
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border_asn = as_path[-1]
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precedent_asn = original_asn
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for asn in as_path:
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if asn != original_asn:
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g.edge("AS" + asn, "AS" + precedent_asn)
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precedent_asn = asn
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if asn == border_asn:
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g.edge("AS" + lg_asn, "AS" + asn)
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g.render() |