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shroute bug fix + enchancement

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This commit is contained in:
Mael G. 2020-08-24 11:52:45 -04:00
parent 7e79ac7fab
commit 3dd17f44a1
1 changed files with 35 additions and 22 deletions
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55
cogs/utility.py
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@ -423,10 +423,13 @@ class Utility(commands.Cog):
"""---------------------------------------------------------------------""" """---------------------------------------------------------------------"""
@commands.command(name='shroute', pass_context=True) @commands.command(name='shroute', pass_context=True)
async def _shroute(self, ctx, srv, ipaddress): async def _shroute(self, ctx, srv, ipaddress):
"""Show as path graph to an IP via data from a Route Server using graphviz"""
if not srv in ["opentransit", 'he', 'att', "oregonuniv", "warian", 'csaholdigs', 'iamageeknz']: if not srv in ["opentransit", 'he', 'att', "oregonuniv", "warian", 'csaholdigs', 'iamageeknz']:
await ctx.send("Requêtes supportées : opentransit (Orange), he (Huricanne Electric), att (AT&T), oregonuniv, warian, csaholdigs, iamageeknz") await ctx.send("Requêtes supportées : opentransit (Orange), he (Huricanne Electric), att (AT&T), oregonuniv, warian, csaholdigs, iamageeknz")
return return
print("k")
#List of RS
if srv == "opentransit": if srv == "opentransit":
host = "route-server.opentransit.net" host = "route-server.opentransit.net"
user = "rviews" user = "rviews"
@ -445,19 +448,19 @@ class Utility(commands.Cog):
password = "rviews" password = "rviews"
lg_asn = "56911" lg_asn = "56911"
cmd = "show bgp ipv4 unicast {}" cmd = "show bgp ipv4 unicast {}"
elif srv == "csaholdigs": #Blacklist des fois elif srv == "csaholdigs": #Blacklist sometime
host = "route-views.sg.routeviews.org" host = "route-views.sg.routeviews.org"
user = "none" user = "none"
password = "none" password = "none"
lg_asn = "45494" lg_asn = "45494"
cmd = "show bgp ipv4 unicast {}" cmd = "show bgp ipv4 unicast {}"
elif srv == "he": #Blacklist des fois elif srv == "he": #Blacklist sometime
host = "route-server.he.net" host = "route-server.he.net"
user = "none" user = "none"
password = "none" password = "none"
lg_asn = "6939" lg_asn = "6939"
cmd = "show bgp ipv4 unicast {}" cmd = "show bgp ipv4 unicast {}"
elif srv == "iamageeknz": #Blacklist des fois elif srv == "iamageeknz": #Blacklist sometime
host = "rs.as45186.net" host = "rs.as45186.net"
user = "none" user = "none"
password = "none" password = "none"
@ -474,6 +477,7 @@ class Utility(commands.Cog):
await ctx.send("Connexion en cours au route server...") await ctx.send("Connexion en cours au route server...")
tn = telnetlib.Telnet(host) tn = telnetlib.Telnet(host)
#Login to the RS via Telnet
if user != "none": if user != "none":
if(srv == "att"): if(srv == "att"):
tn.read_until("login: ".encode()) tn.read_until("login: ".encode())
@ -493,7 +497,7 @@ class Utility(commands.Cog):
await ctx.send("Connecté ! Récupération des données...") await ctx.send("Connecté ! Récupération des données...")
# Execution d'une commande d'information BGP #Sending show route via telnet to the RS
tn.write((cmd + "\n").format(ip).encode()) tn.write((cmd + "\n").format(ip).encode())
tn.write(chr(25).encode()) tn.write(chr(25).encode())
tn.write(chr(25).encode()) tn.write(chr(25).encode())
@ -503,41 +507,50 @@ class Utility(commands.Cog):
await ctx.send("Données récupérées ! Traitement en cours") await ctx.send("Données récupérées ! Traitement en cours")
# Decodage des données pour les adaptées à python #Parsing data
data = tn.read_all().decode("utf-8") data = tn.read_all().decode("utf-8")
print(data)
# Récupération des données grâce à l'utilisation d'expression régulière (module re)
paths = {} paths = {}
#Parsing as paths
paths["as_list"] = re.findall(r" ([0-9][0-9 ]+),", data) paths["as_list"] = re.findall(r" ([0-9][0-9 ]+),", data)
if(paths["as_list"] == []): if(paths["as_list"] == []):
paths["as_list"] = re.findall(r" ([0-9][0-9 ]+)[^0-9.]", data) paths["as_list"] = re.findall(r" ([0-9][0-9 ]+)[^0-9.]", data)
#Custom parsing for AT&T
if(srv == "att"): if(srv == "att"):
paths["as_list"] = re.findall(r"(?<=AS path: 7018 )[0-9][0-9 ]+[^ I]", data) paths["as_list"] = re.findall(r"(?<=AS path: 7018 )[0-9][0-9 ]+[^ I]", data)
as_list = paths['as_list'] #Graphviz diagram
g = Digraph('G', filename='bgpgraph', format='png', graph_attr={'rankdir':'LR', 'concentrate': 'true'})
g = Digraph('G', filename='hello', format='png', graph_attr={'rankdir':'LR', 'concentrate': 'true'}) #Diagram paths generation
as_path_count = 0
for as_path in as_list: for as_path in paths['as_list']:
as_path = as_path.split(" ") as_path = as_path.split(" ")
as_path.reverse() as_path.reverse()
original_asn = as_path[0] original_asn = as_path[0]
border_asn = as_path[-1] border_asn = as_path[-1]
precedent_asn = original_asn precedent_asn = original_asn
for asn in as_path: for asn in as_path:
if asn != original_asn: if asn != "2001": #Cause HE got a default or something weird to this asn
g.edge("AS" + asn, "AS" + precedent_asn) if asn != original_asn:
precedent_asn = asn g.edge("AS" + asn, "AS" + precedent_asn)
if asn == border_asn: precedent_asn = asn
g.edge("AS" + lg_asn, "AS" + asn) if asn == border_asn:
g.edge("AS" + lg_asn, "AS" + asn)
as_path_count += 1
#If empty as_path
if as_path_count == 0:
await ctx.send("Pas de route trouvée vers l'IP demandée depuis le route server choisi.")
return
#Render the graph
g.render() g.render()
with open('hello.png', 'rb') as fp:
await ctx.send(file=discord.File(fp, 'hello.png')) #Send it
with open('bgpgraph.png', 'rb') as fp:
await ctx.send(file=discord.File(fp, 'bgpgraph.png'))
"""---------------------------------------------------------------------""" """---------------------------------------------------------------------"""