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corrction de quelques bugs

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remplacement des ports par leur noms quand ils sont connus

darcs-hash:20060105200555-4ec08-f83ce0cdbf359d5c55f0417a19f16b8842dd3574.gz
This commit is contained in:
chove 2006-01-05 21:05:55 +01:00
parent 072b4e7903
commit 3704a011a5
1 changed files with 22 additions and 9 deletions
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31
surveillance/analyse.py
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@ -2,7 +2,7 @@
# -*- coding: iso8859-15 -*- # -*- coding: iso8859-15 -*-
import socket import socket
import sys import sys, re
from pyPgSQL import PgSQL from pyPgSQL import PgSQL
sys.path.append('/usr/scripts/gestion/') sys.path.append('/usr/scripts/gestion/')
from affich_tools import tableau_ng from affich_tools import tableau_ng
@ -40,11 +40,11 @@ def stats (ip_crans=[], ip_ext=[], show=['ip_crans','ip_ext','port_crans','port_
if 'ip_crans' in show and len(ip_crans)!=1: if 'ip_crans' in show and len(ip_crans)!=1:
select.append('ip_crans') select.append('ip_crans')
largeur.append('10') largeur.append(13)
titre.append('machine crans') titre.append('machine crans')
format.append('s') format.append('s')
alignement.append('c') alignement.append('c')
if 'ip_ext' in show : if 'ip_ext' in show :
select.append('ip_ext') select.append('ip_ext')
largeur.append('*') largeur.append('*')
@ -79,8 +79,8 @@ def stats (ip_crans=[], ip_ext=[], show=['ip_crans','ip_ext','port_crans','port_
ip_ext = ' OR '.join([ "ip_ext='%s'"%x for x in ip_ext ]) ip_ext = ' OR '.join([ "ip_ext='%s'"%x for x in ip_ext ])
if not ip_ext: ip_ext='true' if not ip_ext: ip_ext='true'
requete = "SELECT * FROM ( SELECT %s FROM upload WHERE (%s) AND (%s) AND (date > timestamp 'now' - interval '%d hours') AND (date < timestamp 'now' - interval '%d hours') GROUP BY %s ORDER BY upload DESC ) AS resultat_intemediaire WHERE upload>='%d' LIMIT %d;" % (','.join(select), ip_crans, ip_ext, begin_time, end_time, ','.join(show), upload_mini*1024*1024, show_limit) requete = "SELECT * FROM ( SELECT %s FROM upload WHERE (%s) AND (%s) AND (date > timestamp 'now' - interval '%d hours') AND (date < timestamp 'now' - interval '%d hours') GROUP BY %s) AS resultat_intemediaire WHERE upload>='%d' ORDER BY upload DESC LIMIT %d;" % (','.join(select), ip_crans, ip_ext, begin_time, end_time, ','.join(show), upload_mini*1024*1024, show_limit)
pgsql = PgSQL.connect(host='/var/run/postgresql', database='filtrage', user='crans') pgsql = PgSQL.connect(host='/var/run/postgresql', database='filtrage', user='crans')
curseur = pgsql.cursor() curseur = pgsql.cursor()
curseur.execute(requete) curseur.execute(requete)
@ -89,18 +89,30 @@ def stats (ip_crans=[], ip_ext=[], show=['ip_crans','ip_ext','port_crans','port_
# on transforme tout en chaine # on transforme tout en chaine
results = [ [ str(x) for x in line ] for line in results ] results = [ [ str(x) for x in line ] for line in results ]
# on modifie les ip en noms de machine # on modifie les ip en noms de machine et les ports en noms
def nom_de_machine (ip) : def nom_de_machine (ip) :
try : try :
return socket.gethostbyaddr(ip)[0] return socket.gethostbyaddr(ip)[0]
except : except :
return ip return ip
port_to_service = {}
for service,port in [ re.split('[ \t]+',x.strip().replace('/tcp','').replace('/udp',''))[:2] for x in open('/etc/services').readlines() if x[0] not in ['\n','#'] ] :
port_to_service[port]=service
for champ in select : for champ in select :
if champ in ['ip_ext','ip_crans']: if champ == 'ip_ext':
col = select.index(champ) col = select.index(champ)
results = [ x[:col] + [nom_de_machine(x[col])] + x[col+1:] for x in results ] results = [ x[:col] + [nom_de_machine(x[col])] + x[col+1:] for x in results ]
elif champ == 'ip_crans':
col = select.index(champ)
results = [ x[:col] + [nom_de_machine(x[col]).split('.')[0]] + x[col+1:] for x in results ]
elif 'port' in champ:
col = select.index(champ)
results = [ x[:col] + [port_to_service.get(x[col],x[col])] + x[col+1:] for x in results ]
return tableau_ng(results, titre=titre, largeur=largeur, alignement=alignement, format=format) return tableau_ng(results, titre=titre, largeur=largeur, alignement=alignement, format=format)
if __name__ == '__main__' : if __name__ == '__main__' :
@ -211,9 +223,10 @@ Exemples :
################################## ##################################
limit = 10 limit = 10
for key,value in opts : for key,value in opts :
if key == 'show-limit' : if key == '--show-limit' :
try : try :
limit = int(value) limit = int(value)
print ' affichage des %d premiers résultats' % limit
except : except :
print 'Le nombre limite n\'est pas un entier' print 'Le nombre limite n\'est pas un entier'
sys.exit(3) sys.exit(3)