[gen_conf] Code mort
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Valentin Samir
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247
archive/gestion/gen_confs/wifi_ng.py
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247
archive/gestion/gen_confs/wifi_ng.py
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#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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import time, commands
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from gen_confs import gen_config, ERREUR, OK, anim
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import sys, os, shutil
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sys.path.append('/usr/scripts/gestion')
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from ldap_crans import crans_ldap, BorneWifi
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class conf_wifi_ng(gen_config) :
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""" Génération de la configuration de isakmpd dans ISAKMPD_CONF
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Le fichier est constitué en 5 parties :
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1) Configuration générale insérée telle quelle
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2) Phase 1 : une ligne par host suivant template
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3) Phase 2 : une entrée par machine
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4) Bloc par machine suivant template
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5) Ajout de net_crans
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Configuration des bornes
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"""
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######################################PARTIE DE CONFIGURATION
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# Fichiers à écrire
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# Répertoire d'écriture des fichiers de zone
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ISAKMPD_CONF='/etc/isakmpd/isakmpd.conf'
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# Correspondance MAC/IP
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MACIP='/etc/wifi/wifi-update-ng/common/etc/macip'
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restart_cmd = 'kill -HUP $(cat /var/run/isakmpd.pid 2>/dev/null )'
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######################################FIN PARTIE DE CONFIGURATION
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def __init__(self, bornes=None) :
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self.db = crans_ldap()
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self._bornes = bornes
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def lockname(self):
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# On change le nom du lock pour avoir un nom unique pour tout ce qui
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# concerne le wifi
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# return ".".join(str(self.__class__).split(".")[0:-1])
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return "gen_confs.wifi"
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def __str__(self) :
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return 'wifi'
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def _gen(self):
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self.anim=anim('\r\tRecherche base LDAP')
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clients = self.db.search('host=*.wifi.crans.org&paiement=ok')['machineWifi']
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bornes = self.db.search('host=*.wifi.crans.org&canal=*')['borneWifi']
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print OK
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if not self._bornes:
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self.gen_isakmpd(clients)
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self.gen_macip(clients, bornes)
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self.gen_bornes(bornes)
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self.anim=anim('\tfin reconfigurations')
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def gen_bornes(self, bornes):
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"""Génération de la configuration des bornes"""
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TARGET = "/var/www/wifi-update"
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WORK = "%s/work" % TARGET
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ROOT = "/etc/wifi/wifi-update-ng"
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COMMON = "%s/common" % ROOT
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DEFAULT = "%s/default" % ROOT
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for borne in bornes:
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if self._bornes and borne.nom().split(".")[0] not in self._bornes:
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continue
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self.anim=anim('\treconfiguration de %s' % borne.nom())
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# Il s'agit de faire l'union du répertoire common et du
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# répertoire propre (s'il existe) ou alors du répertoire default
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# On supprime le répertoire de travail
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if os.path.isdir(WORK):
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shutil.rmtree(WORK)
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# On copie COMMON
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shutil.copytree(COMMON, WORK)
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# Est-ce qu'un répertoire spécifique existe ?
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top = os.path.join(ROOT, borne.nom())
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if not os.path.isdir(top):
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top = DEFAULT
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# On en copie aussi le contenu
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for root, dirs, files in os.walk(top, topdown=True):
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# On créé les répertoires
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for name in dirs:
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try:
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os.mkdir(os.path.join("%s%s" % (WORK, root[len(top):]),
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name))
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except OSError, e:
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pass
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# Et on copie
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for name in files:
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shutil.copy(os.path.join(root, name),
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os.path.join("%s%s" % (WORK, root[len(top):]),
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name))
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# On créé/complète le fichier /etc/nvram.updates
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if isinstance(borne, BorneWifi) and borne.nom() != "non-configure.wifi.crans.org":
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fd = file(os.path.join(WORK, "etc", "nvram.updates"), "a")
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data = { 'HOST': borne.nom().split('.')[0],
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'IP': borne.ip(),
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'CANAL': borne.canal(raw=True),
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'PUISSANCE': abs(int(borne.puissance() or 0)),
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'ON': ((int(borne.puissance() or 0) > 0) and 1 or 0),
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'HOTSPOT': borne.hotspot() and 1 or 0,
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}
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fd.write("""
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variables="${variables} lan_ipaddr wan_hostname crans_channels txpower wl0_radio crans_hotspot"
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NVRAM_lan_ipaddr=%(IP)s
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NVRAM_wan_hostname=%(HOST)s
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NVRAM_crans_channels=%(CANAL)s
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NVRAM_txpower=%(PUISSANCE)d
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NVRAM_wl0_radio=%(ON)d
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NVRAM_crans_hotspot=%(HOTSPOT)d
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""" % data)
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# On complète par les variables de la NVRAM
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for info in borne.nvram():
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fd.write('variables="${variables} %s"\n' % info.split("=")[0])
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fd.write("NVRAM_%s\n" % info)
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fd.close()
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# On fait du menage
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os.system("find %s -name CVS -type d -exec rm -rf {} \\; 2> /dev/null" % WORK)
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os.system("find %s -name '*~' -type f -exec rm -f {} \\;" % WORK)
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# Ensuite, on créé le tar
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os.system("tar zcf %s/%s.tmp.tar.gz -C %s ." % (TARGET, borne.nom(), WORK))
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# Et on le renomme (on espère que c'est atomique)
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os.rename("%s/%s.tmp.tar.gz" % (TARGET, borne.nom()),
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"%s/%s.tar.gz" % (TARGET, borne.nom()))
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print OK
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def gen_macip(self, clients, bornes):
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"""Génération de la correspondance MAC/IP"""
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self.anim=anim('\r\tFichier MAC/IP',len(clients + bornes))
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fd = file(self.MACIP, "w")
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for machine in clients + bornes:
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self.anim.cycle()
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if 'bloq' in machine.blacklist_actif() : continue
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fd.write("%s %s\n" % (machine.mac(), machine.ip()))
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self.anim.reinit()
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print OK
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def gen_isakmpd(self, clients):
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"""Génération du fichier pour isakmpd"""
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# Config générale de ISAKMPd
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general="""
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[General]
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Listen-on= 138.231.148.1
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Retransmits= 5
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Exchange-max-time= 40
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Logverbose= 1
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Loglevel= A=90
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Check-interval= 60
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Default-phase-1-lifetime= 1200,90:86400
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Default-phase-2-lifetime= 1800,120:86400
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[Default-main-mode]
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DOI= IPSEC
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EXCHANGE_TYPE= ID_PROT
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Transforms= 3DES-SHA,3DES-MD5
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[Default-quick-mode]
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DOI= IPSEC
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EXCHANGE_TYPE= QUICK_MODE
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Suites= QM-ESP-AES-SHA-SUITE, QM-ESP-AES-MD5-SUITE, \\
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QM-ESP-BLF-SHA-SUITE, QM-ESP-BLF-MD5-SUITE, \\
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QM-ESP-3DES-SHA-SUITE, QM-ESP-3DES-MD5-SUITE, \\
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QM-ESP-AES-SHA-PFS-SUITE, QM-ESP-AES-MD5-PFS-SUITE, \\
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QM-ESP-BLF-SHA-PFS-SUITE, QM-ESP-BLF-MD5-PFS-SUITE, \\
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QM-ESP-3DES-SHA-PFS-SUITE, QM-ESP-3DES-MD5-PFS-SUITE
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"""
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# Phase 1
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phase1_debut="[Phase 1]\n"
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phase1_template="%(IP)s= ISAKMP-peer-%(HOST)s\n"
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# Phase 2
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phase2_debut="[Phase 2]\nPassive-connections= "
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phase2_template="IPsec-%(HOST)s"
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phase2_sep=', \\\n '
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#Lignes necessaires pour chaque machine
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host_template="""
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[ISAKMP-peer-%(HOST)s]
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Phase= 1
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Transport= udp
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Address= %(IP)s
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Configuration= Default-main-mode
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Authentication=%(KEY)s
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[IPsec-%(HOST)s]
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Phase= 2
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ISAKMP-peer= ISAKMP-peer-%(HOST)s
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Configuration= Default-quick-mode
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Local-ID= Net-crans
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Remote-ID= Net-%(HOST)s
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[Net-%(HOST)s]
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ID-type= IPV4_ADDR
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Address= %(IP)s
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"""
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# Dernière partie du fichier
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net_crans="""
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[Net-crans]
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ID-type= IPV4_ADDR_SUBNET
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Network= 0.0.0.0
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Netmask= 0.0.0.0
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"""
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phase1 = phase1_debut
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phase2 = phase2_debut
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blocs=''
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self.anim=anim('\r\tFichier isakmpd.conf',len(clients))
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for machine in clients :
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self.anim.cycle()
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if 'bloq' in machine.blacklist_actif() : continue
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data = { 'HOST' : machine.nom().split('.')[0] ,
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'IP' : machine.ip() ,
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'KEY' : machine.ipsec()}
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# Phase 1
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phase1 += phase1_template % data
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# Phase 2
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if blocs != '' :
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# Ce n'est pas la première machine, il faut insérer un séparateur
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phase2 += phase2_sep
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phase2 += phase2_template % data
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# Blocs machine
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blocs += host_template % data
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# Ecriture du fichier isakmpd.conf
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fd = self._open_conf(self.ISAKMPD_CONF,'#')
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fd.write(general)
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fd.write(phase1)
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fd.write('\n')
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fd.write(phase2)
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fd.write('\n')
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fd.write(blocs)
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fd.write(net_crans)
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fd.close()
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self.anim.reinit()
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print OK
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