lc_ldap/attributs.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# ATTRIBUTS.PY-- Description des attributs ldap
#
# Copyright (C) 2010-2013 Cr@ns <roots@crans.org>
# Authors: Antoine Durand-Gasselin <adg@crans.org>
#          Nicolas Dandrimont <olasd@crans.org>
#          Valentin Samir <samir@crans.org>
#          Vincent Le Gallic <legallic@crans.org>
#          Pierre-Elliott Bécue <becue@crans.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# * Neither the name of the Cr@ns nor the names of its contributors may
#   be used to endorse or promote products derived from this software
#   without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT
# HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import re
import sys
import netaddr
import time
from unicodedata import normalize
from crans_utils import format_tel, format_mac, mailexist, validate_name, ip4_of_rid, ip6_of_mac

sys.path.append("/usr/scripts/gestion")
import config
import annuaires_pg

### Les droits
# en cas de typo, l'appel d'une variable plante, on préfèrera donc les utiliser en lieu et place
# des chaînes de caractères
nounou = u"Nounou"
cableur = u"Cableur"
apprenti = u"Apprenti"
tresorier = u"Tresorier"
bureau = u"Bureau"
imprimeur = u"Imprimeur"
moderateur = u"Moderateur"
multimachines = u"Multimachines"
parent = u"parent"
soi = u"soi"
responsable = u"responsable"

TOUS_DROITS = [nounou, apprenti, bureau, tresorier, imprimeur, moderateur, multimachines, cableur]
DROITS_ELEVES = [nounou, bureau]
DROITS_MOYEN = [apprenti, moderateur]
DROITS_FAIBLES = [cableur, imprimeur, multimachines]

DROITS_SUPERVISEUR = { nounou : TOUS_DROITS,
    bureau : DROITS_FAIBLES + [bureau, tresorier],
}


def attrify(val, attr, ldif, conn, ctxt_check = True):
    """Transforme un n'importe quoi en Attr.

    Doit effectuer les normalisations et sanity check si un str ou un
    unicode est passé en argument.
    Devrait insulter en cas de potentiel problème d'encodage.
    Doit effectuer les vérifications de contexte dans le *ldif* si
    ctxt_check est vrai"""

    if isinstance(val, Attr):
        return val
    else:
        return CRANS_ATTRIBUTES.get(attr, Attr)(val, ldif, conn, ctxt_check)

class Attr(object):
    """La liste des droits qui suffisent à avoir le droit de modifier la valeur"""
    legend = "Human-readable description of attribute"
    singlevalue = None
    optional = None
    conn = None
    unique = False

    can_modify = [nounou]

    can_view = [nounou, apprenti, soi, parent, responsable]
    """Qui peut voir l'attribut. Par défaut, les Nounous et les Apprentis
       peuvent tout voir. Par transparence, et par utilité, on autorise par
       défaut l'adhérent à voir les données le concernant."""

    category = 'other'
    """Catégorie de l'attribut (pour affichage futur)"""

    def __init__(self, val, ldif, conn, ctxt_check):
        """Crée un nouvel objet représentant un attribut.

        val: valeur de l'attribut
        ldif: objet contenant l'attribut (permet de faire les validations sur l'environnement)
        ctxt_check: effectue les validations
        """
        self.ctxt_check=ctxt_check
        self.value = None
        self.conn = conn
        assert isinstance(val, unicode)
        self.parse_value(val, ldif)
        if ctxt_check:
            self.validate(ldif)

    def parse_value(self, val, ldif):
        """Transforme l'attribut pour travailler avec notre validateur"""
        self.value = val

    def __str__(self):
        return self.__unicode__().encode('utf-8')

    def __unicode__(self):
        # XXX - Vérifier que cette méthode produit un objet parsable
        assert isinstance(self.value, unicode)
        return self.value

    def validate(self, ldif):
        """validates:
        vérifie déjà que ce qu'on a rentré est parsable"""
        if not self.__class__.__name__ in CRANS_ATTRIBUTES:
            raise ValueError('Attribut %s inconnu' % self.__class__.__name__)
        own_values = ldif.get(self.__class__.__name__, [])
        self._check_cardinality(own_values)
        self._check_uniqueness()
        self._check_users_restrictions(own_values)

    def _check_cardinality(self, values):
        """Vérifie qu'il y a un nombre correct de valeur =1, <=1, {0,1},
        etc..."""
        if self.singlevalue and len(values) > 1:
            raise ValueError('%s doit avoir au maximum une valeur (affecte %s)' % (self.__class__, values))
        if not self.optional and len(values) == 0:
            raise ValueError('%s doit avoir au moins une valeur' % self.__class__)

    def _check_uniqueness(self):
        """Vérifie l'unicité dans la base de la valeur (mailAlias, chbre,
        etc...)"""
        attr = self.__class__.__name__
        if self.unique:
            res = self.conn.search('%s=%s' % (attr, str(self)))
            if res:
                raise ValueError("%s déjà existant" % attr, [r.dn for r in res])

    def _check_users_restrictions(self, values):
        """Vérifie les restrictions supplémentaires imposées selon les
        niveaux de droits (<= 3 mailAlias, pas de mac identiques,
        etc...)"""
        ### On l'implémente dans les classes filles !
        pass

    def is_modifiable(self, liste_droits):
        """
        L'attribut est-il modifiable par un des droits dans liste_droits ?
        """
        return set(liste_droits).isdisjoint(can_modify)

class objectClass(Attr):
    singlevalue = False
    optional = False
    legend = "entité"
    
    can_modify = []
    """ Personne ne doit modifier de classe """

    can_view = [nounou, apprenti]
    """ Internal purpose (et à fin pédagogique) """

    def parse_value(self, val, ldif):
        if val not in [ 'top', 'organizationalUnit', 'posixAccount', 'shadowAccount',
                        'proprio', 'adherent', 'club', 'machine', 'machineCrans',
                        'borneWifi', 'machineWifi', 'machineFixe',
                        'cransAccount', 'service', 'facture', 'freeMid' ]:
            raise ValueError("Pourquoi insérer un objectClass=%r ?" % val)
        else:
            self.value = unicode(val)


class intAttr(Attr):
    def parse_value(self, val, ldif):
        if int(val) <= 0:
            raise ValueError("Valeur entière invalide : %r" % val)
        self.value = int(val)

    def __unicode__(self):
        return unicode(self.value)

class boolAttr(Attr):
    def parse_value(self, val, ldif):
        if not isinstance(val, bool):
            raise ValueError("Valeur pour attribut booléen invalide : %r" % val)
        self.value = val

    def __unicode__(self):
        return unicode(self.value)

class aid(intAttr):
    singlevalue = True
    optional = True
    legend = u"Identifiant de l'adhérent"
    category = 'id'
    unique = True

    can_modify = []
    """ Personne ne devrait modifier un attribut d'identification """

    can_view = [nounou, apprenti, 'Cableurs']

    def parse_value(self, val, ldif):
        self.value = int(val)

class uid(Attr):
    singlevalue = True
    option = False
    legend = u"L'identifiant canonique de l'adhérent"
    category = 'perso'
    unique = True

class nom(Attr):
    singlevalue = True
    optional = False
    legend = "Nom"
    category = 'perso'
    can_modify = [nounou, cableur]

    def parse_value(self, val, ldif):
        if u'club' in ldif['objectClass']:
            self.value = validate_name(val,"0123456789\[\]")
        else:
            self.value = validate_name(val)

class prenom(Attr):
    singlevalue = True
    optional = False
    legend = u"Prénom"
    category = 'perso'
    can_modify = [nounou, cableur]

    def parse_value(self, val, ldif):
        self.value = validate_name(val)

class compteWiki(Attr):
    singlevalue = False
    optional = True
    legend = u"Compte WiKi"
    category = 'perso'
    can_modify = [nounou, cableur, soi]

    def parse_value(self, val, ldif):
        self.value = validate_name(val)
        # TODO: validate with mdp for user definition here ?

class tel(Attr):
    singlevalue = True
    optional = False
    legend = u"Téléphone"
    category = 'perso'
    can_modify = [soi, nounou, cableur]

    def parse_value(self, val, ldif):
        self.value = format_tel(val)
        if len(self.value) == 0:
            raise ValueError("Numéro de téléphone invalide (%r)" % val)


class yearAttr(intAttr):
    singlevalue = False
    optional= True

    def parse_value(self, val, ldif):
        if int(val) < 1998:
            raise ValueError("Année invalide (%r)" % val)
        self.value = int(val)

class paiement(yearAttr):
    legend = u"Paiement"
    can_modify = [cableur, nounou, tresorier]
    category = 'perso'

class carteEtudiant(yearAttr):
    legend = u"Carte d'étudiant"
    category = 'perso'
    can_modify = [cableur, nounou, tresorier]

class derniereConnexion(intAttr):
    legend = u"Dernière connexion"
    can_modify = []

class mail(Attr):
    singlevalue = True
    optional = False
    unique = True
    legend = "Le mail de l'adhérent"
    can_modify = [soi, nounou, cableur]
    category = 'mail'

    def _check_uniqueness(self):
        attr = self.__class__.__name__
        if attr in ["mailAlias", "canonicalAlias", 'mail']:
            res = self.conn.search('(|(mail=%s)(mailAlias=%s)(canonicalAlias=%s))' % ((str(self),)*3))
            if res:
                raise ValueError("Mail déjà existant", [r.dn for r in res])

    def parse_value(self, mail, ldif):
        if not re.match('^[-_.0-9A-Za-z]+@([A-Za-z0-9]{1}[A-Za-z0-9-_]+[.])+[a-z]{2,6}$', mail):
            raise ValueError("Adresse mail invalide (%s)" % ldif)
        self.value = mail
        

class canonicalAlias(mail):
    singlevalue = True
    optional = False
    unique = True
    legend = u"Alias mail canonique"
    category = 'mail'

    def parse_value(self, val, ldif):
        val = u".".join([ a.capitalize() for a in val.split(u'.', 1) ])
        if not re.match('^[-_.0-9A-Za-z]+@([A-Za-z0-9]{1}[A-Za-z0-9-_]+[.])+[a-z]{2,6}$', val):
            raise ValueError("Alias mail invalide (%s)" % val)
        self.value = val

class mailAlias(mail):
    singlevalue = False
    optional = True
    unique = True
    legend = u"Alias mail"
    can_modify = [soi, cableur, nounou]
    category = 'mail'

    def parse_value(self, val, ldif):
        val = val.lower()
        if not re.match('^[-_.0-9A-Za-z]+@([A-Za-z0-9]{2}[A-Za-z0-9-_]+[.])+[a-z]{2,6}$', val):
            raise ValueError("Alias mail invalide (%r)" % val)
        self.value = val

class mailInvalide(boolAttr):
    optional = True
    legend = u"Mail invalide"
    can_modify = [bureau, nounou]
    
class contourneGreylist(boolAttr):
    optionnal = True
    legend = u"Contourner la greylist"
    category = 'mail'
    can_modify = [soi]

class etudes(Attr):
    singlevalue = False
    optional = False
    legend = u"Études"
    can_modify = [soi, cableur, nounou]
    category = 'perso'

    def parse_value(self, val, ldif):
        # who cares
        self.value = val


class chbre(Attr):
    singlevalue = True
    optional = False
    unique = True
    legend = u"Chambre sur le campus"
    can_modify = [soi, cableur, nounou]
    category = 'perso'

    def parse_value(self, val, ldif):
        if self.ctxt_check: # Si ce n'est pas la peine de vérifier, on ne vérifie pas
            if u'club' in ldif['objectClass']:
                if val in annuaires_pg.locaux_clubs():
                    self.value = val
                    return
                else:
                    raise ValueError("Club devrait etre en XclN, pas en %r" % val)

            if val in (u"EXT", u"????"):
                self.value = val
                return

            try:
                annuaires_pg.chbre_prises(val[0], val[1:])
            except NameError:
                import annuaires_pg_test
                annuaires_pg_test.chbre_prises(val[0], val[1:])

        self.value = val

class droits(Attr):
    singlevalue = False
    optional = True
    legend = u"Droits sur les serveurs"
    can_modify = [nounou, bureau] #ne sert à rien ici, mais c'est tout à fait exceptionnel
    category = 'perso'

    def parse_value(self, val, ldif):
#        if val.lower() not in [i.lower() for i in TOUS_DROITS]:
#            raise ValueError("Ces droits n'existent pas (%r)" % val)
        self.value = val.capitalize()

    def is_modifiable(self, liste_droits):
        """
        Le droit est-il modifiable par un des droits dans liste_droits ?
        """
        modifiables = set()
        for i in liste_droits:
            modifiables.append(DROITS_SUPERVISEUR.get(i, []))
        modifiables = list(modifiables)

        return self.value in modifiables

class solde(Attr):
    singlevalue = True
    optional = True
    legend = u"Solde d'impression"
    can_modify = [imprimeur, nounou, tresorier]

    def parse_value(self, solde, ldif):
        # on évite les dépassements, sauf si on nous dit de ne pas vérifier
        if self.ctxt_check and not (float(solde) >= config.impression.decouvert and float(solde) <= 1024.):
            raise ValueError("Solde invalide: %r" % solde)
        self.value = solde

class dnsAttr(Attr):
    category = 'dns'
    def parse_value(self, dns, ldif):
        dns = dns.lower()
        name, net = dns.split('.', 1)
        if self.ctxt_check and (net not in ['adm.crans.org', 'crans.org', 'wifi.crans.org'] or
            not re.match('[a-z][-_a-z0-9]+', name)):
            raise ValueError("Nom d'hote invalide %r" % dns)
        self.value = dns

class host(dnsAttr):
    singlevalue = True
    optional = False
    hname = legend = u"Nom d'hôte"
    can_modify = [parent, nounou, cableur]
    category = 'base_tech'

    def _check_uniqueness(self):
        attr = self.__class__.__name__
        if attr in ["host", "hostAlias"]:
            res = self.conn.search('(|(host=%s)(hostAlias=%s))' % ((str(self),)*2))
            if res:
                raise ValueError("Hôte déjà existant", [r.dn for r in res])

class hostAlias(host):
    singlevalue = False
    unique = True
    optional = True
    legend = u'Alias de nom de machine'

    can_modify = [nounou, cableur]

class macAddress(Attr):
    singlevalue = True
    optional = False
    legend = u"Adresse physique de la carte réseau"
    hname = "Adresse MAC"
    category = 'base_tech'
    can_modify = [parent, nounou, cableur]

    def parse_value(self, mac, ldif):
        self.value = format_mac(mac)

    def __unicode__(self):
        return unicode(self.value).lower()


class ipHostNumber(Attr):
    singlevalue = True
    optional = True
    unique = True
    legend = u"Adresse IPv4 de la machine"
    hname = "IPv4"
    category = 'base_tech'
    can_modify = [nounou]

    def parse_value(self, ip, ldif):
        if ip == '<automatique>':
            ip = ip4_of_rid(ldif['rid'][0])
        self.value = netaddr.ip.IPAddress(ip)

    def __unicode__(self):
        return unicode(self.value)

class ip6HostNumber(Attr):
    singlevalue = True
    optional = True
    unique = True
    legend = u"Adresse IPv6 de la machine"
    hname = "IPv6"
    category = 'base_tech'
    can_modify = [nounou]

    def parse_value(self, ip, ldif):
        ip = ip6_of_mac(ldif['macAddress'][0], int(ldif['rid'][0]))
        self.value = netaddr.ip.IPAddress(ip)

    def __unicode__(self):
        return unicode(self.value)

class mid(Attr):
    singlevalue = True
    optional = False
    unique = True
    legend = u"Identifiant de machine"
    category = 'id'

    def parse_value(self, mid, ldif):
        self.value = int(mid)

    def __unicode__(self):
        return unicode(self.value)

class rid(Attr):
    singlevalue = True
    optional = False
    unique = True
    legend = u"Identifiant réseau de machine"
    category = 'id'
    can_modify = [nounou]

    def parse_value(self, rid, ldif):
        rid = int(rid)
        
        # On veut éviter les rid qui recoupent les ipv4 finissant par
        # .0 ou .255
        plages = [xrange(config.rid[a][0], config.rid[a][1]+1) for a in config.rid.keys() if ('v6' not in a) and ('special' not in a)]
        
        for plage in plages:
            if rid in plage:
                if rid % 256 == 0 or rid % 256 == 255:
                    rid = -1
                    break 
                else:
                    continue
            else:
                continue

        self.value = rid

    def __unicode__(self):
        return unicode(self.value)

class ipsec(Attr):
    singlevalue = False
    optional = True
    legend = u'Clef wifi'
    category = 'wifi'

class puissance(Attr):
    singlevalue = True
    optional = True
    legend = u"puissance d'émission pour les bornes wifi"
    category = 'wifi'
    can_modify = [nounou]

class canal(intAttr):
    singlevalue = True
    optional = True
    legend = u'Canal d\'émission de la borne'
    category = 'wifi'
    can_modify = [nounou]

class hotspot(boolAttr):
    singlevalue = True
    optional = True
    legend = u'Hotspot'
    category = 'wifi'
    can_modify = [nounou]

class positionBorne(Attr):
    legend = u"Position de la borne"
    category = "wifi"
    can_modify = [nounou]
    singlevalue = True
    optional = True
    
    def parse_value(self, val, ldif):
        lat, lon = val.split(" ")
        self.value = u"%f %f" % (float(lat), float(lon))

class nvram(Attr):
    legend = u"Configuration speciale"
    optional = True
    can_modify = [nounou]

    def parse_value(self, val, ldif):
        pass

class portAttr(Attr):
    singlevalue = False
    optional = True
    legend = u'Ouverture de port'
    category = 'firewall'
    can_modify = [nounou]

    def parse_value(self, port, ldif):
        if ":" in port:
            a,b = port.split(":", 1)
            if a:
                if int(a) <0 or int(a)> 65535:
                    raise ValueError("Port invalide: %r" % port)
            else:
                a = 0
            if b:
                if int(a) <0 or int(a)> 65535:
                    raise ValueError("Port invalide: %r" % port)
            else:
                b = 65535
            self.value = [int(a), int(b)]
        else:
            if int(port) <0 or int(port)> 65535:
                raise ValueError("Port invalide: %r" % port)
            self.value = [int(port)]

    def __unicode__(self):
        if len(self.value) > 1:
            a, b = self.value
            a = '' if a == 0 else str(a)
            b = '' if b == 65535 else str(b)
            return unicode('%s:%s' % (a, b))
        else:
            return unicode(self.value[0])


class portTCPout(portAttr):
    legend = u'Port TCP ouvert vers l\'extérieur'

class portTCPin(portAttr):
    legend = u"Port TCP ouvert depuis l'extérieur"

class portUDPout(portAttr):
    legend = u"Port UDP ouvert vers l'extérieur"

class portUDPin(portAttr):
    legend = u"Port UDP ouvert depuis l'extérieur"

class exempt(Attr):
    legend = u"Exemption vers une IP"

class nombrePrises(intAttr):
    legend = u"Nombre de prises ethernet de la machine"
    singlevalue = True
    optional = True
    categoriy = 'base_tech'
    can_modify = [nounou]

class prise(Attr):
    singlevalue = True
    optional = True
    legend = u"Prise sur laquelle est branchée la machine"
    category = 'base_tech'
    can_modify = [nounou]

    def parse_value(self, prise, ldif):
        ### Tu es une Nounou, je te fais confiance
        self.value = prise

class cid(intAttr):
    singlevalue = True
    optional = True
    unique = True
    legend = u"Identifiant du club"
    category = 'id'

    def parse_value(self, val, ldif):
        self.value = int(val)
        
class responsable(Attr):
    singlevalue = True
    optional = True
    legend = u"Responsable du club"
    category = 'perso'
    can_modify = [cableur, nounou]
    
    def get_respo(self):
        if self.value == None:
            self.value=self.conn.search('aid=%s' % self.__resp)[0]
        return self.value
    
    def parse_value(self, resp, ldif):
        self.__resp=resp
        self.value = property(self.get_respo)

    def __unicode__(self):
        return self.__resp

class imprimeurClub(Attr):
    optional = True
    legend = u"Imprimeur du club"
    category = "perso"
    can_modify = [cableur, nounou]

    def parse_value(self, val, ldif):
        res = self.conn.search('aid=%s' % int(val))
        if len(res) != 1:
            raise ValueError("L'adhérent aid=%r n'existe plus." % val)
        self.value = res[0]

    def __unicode__(self):
        return unicode(self.value['aid'][0])

class blacklist(Attr):
    singlevalue = False
    optional = True
    legend = u"Blackliste"
    category = 'info'
    can_modify = [nounou]

    def parse_value(self, bl, ldif):
        bl_debut, bl_fin, bl_type, bl_comm = bl.split('$')
        now = time.time()
        self.value = { 'debut' : bl_debut if bl_debut == '-' else int (bl_debut),
                       'fin' : bl_fin if bl_fin == '-' else int(bl_fin),
                       'type' : bl_type,
                       'comm' : bl_comm,
                       'actif' : (bl_debut == '-' or int(bl_debut) < now) and (bl_fin == '-' or int(bl_fin) > now) }

    def is_actif(self):
        return self.value['actif']

    def terminer(self):
        self.value['fin'] = int(max(self.value['debut'], time.time() - 60))
        self.value['actif'] = False

    def __unicode__(self):
        return u'%(debut)s$%(fin)s$%(type)s$%(comm)s' % self.value

class historique(Attr):
    singlevalue = False
    optional = True
    legend = u"Historique de l'objet"
    category = 'info'

class info(Attr):
    singlevalue = False
    optional = True
    legend = u"Quelques informations"
    category = 'info'
    can_modify = [nounou, cableur, bureau]

class homepageAlias(Attr):
    singlevalue = True
    optional = True
    legend = u'Un alias pour la page personnelle'
    can_modify = [nounou, cableur]
    category = 'webpage'

class charteMA(Attr):
    singlevalue = True
    optional = True
    legend= "Signale si l'adhérent a signé la charte de membres actifs"
    can_modify = [nounou, bureau]
    category = 'perso'

    def parse_value(self, signed, ldif):
        if signed.upper() not in ["TRUE", "FALSE"]:
            raise ValueError("La charte MA est soit TRUE ou FALSE, pas %r" % signed)
        self.value = signed.upper()

class homeDirectory(Attr):
    singlevalue=True
    optional = True
    unique = True
    legend="Le chemin du home de l'adhérent"

    def parse_value(self, home, ldif):
        uid = ldif['uid'][0]
        if uid.startswith('club-'):
            uid = uid.split('-',1)[1]
        if home != u'/home/%s' % uid and home != u'/home/club/%s' % uid:
            raise ValueError("Le répertoire personnel n'est pas bon: %r (devrait être %r ou %r)" %
                             (home, '/home/%s' % ldif['uid'][0], '/home/club/%s' % ldif['uid'][0]))
        self.value = home

class loginShell(Attr):
    singlevalue = True
    optional = True
    legend = "Le shell de l'adherent"
    can_modify = [soi, nounou, cableur]

    def parse_value(self, shell, ldif):
        #with open('/etc/shells') as f:
        #    shells = [ l.strip() for l in f.readlines() if not l.startswith('#') ]
        shells=['/bin/csh',
 '/bin/sh',
 '/usr/bin/es',
 '/usr/bin/ksh',
 '/bin/ksh',
 '/usr/bin/rc',
 '/usr/bin/tcsh',
 '/bin/tcsh',
 '/usr/bin/esh',
 '/bin/bash',
 '/bin/rbash',
 '/bin/zsh',
 '/usr/bin/zsh',
 '/usr/bin/screen',
 '/bin/dash',
 '/usr/bin/rssh',
 '/usr/local/bin/disconnect_shell',
 '/usr/scripts/surveillance/disconnect_shell',
 '/usr/local/bin/badPassSh',
 '/usr/bin/passwd',
 '/bin/false',
 '/bin//zsh'
 '']
        if self.ctxt_check and (shell not in shells):
            raise ValueError("Shell %r invalide" % shell)
        self.value = shell

class uidNumber(intAttr):
    singlevalue = True
    optional = True
    unique = True
    legend = "L'uid du compte de l'adherent"
    category = 'id'

class gidNumber(intAttr):
    singlevalue = True
    optional = True
    legend = "Le gid du compte de l'adhérent"
    category = 'id'

class gecos(Attr):
    singlevalue = True
    optional = True
    legend = "Le gecos"
    category = 'id'

    def parse_value(self, gecos, ldif):
        self.value = gecos
    
class sshFingerprint(Attr):
    singlevalue = False
    optional = True
    legend = "Clef ssh de la machine"
    can_modify = [parent, nounou]
    
class gpgFingerprint(Attr):
    singlevalue = False
    optional = True
    unique = True
    legend = "Clef gpg d'un adhérent"
    can_modify = [soi, nounou]

class cn(Attr):
    singlevalue = True
    optional = False
    category = 'id'

class dn(Attr):
    singlevalue = True
    optional = False
    unique = True
    category = 'id'

class postalAddress(Attr):
    singlevalue = False
    optional = True
    can_modify = [soi, cableur, nounou, bureau]
    legend = u"Adresse"
    category = 'perso'

class controle(Attr):
    singlevalue = True
    optional = False
    legend = u"Contrôle"
    can_modify = [tresorier, nounou]
    category = 'perso'

    def parse_value(self, ctrl, ldif):
        if ctrl not in [u"", u"c", u"p", u"cp", u"pc"]:
            raise ValueError("control peut prendre les valeurs [c][p]")
        if ctrl == u'cp':
            self.value = u'pc'
        else:
            self.value = ctrl

class fid(intAttr):
    legend = u"Id de facture"
    category = 'factures'
    optional = False
    singlevalue = True

class modePaiement(Attr):
    legend = u"Mode de paiement"
    category = 'factures'
    optional = False
    singlevalue = True

class recuPaiement(Attr):
    pass

### Les classes
ADHERENT_ATTRS = [ nom, prenom, tel, chbre, postalAddress, mail, uid,
                   canonicalAlias, mailAlias, etudes, paiement,
                   solde, carteEtudiant, droits, loginShell, blacklist ]

MACHINE_ATTRS = [ host, macAddress, hostAlias, ipHostNumber, portTCPout,
                  portTCPin, portUDPout, portUDPin ]


CRANS_ATTRIBUTES= {
    'objectClass' : objectClass,
    'cn' : cn,
    'dn' : dn,

    'aid': aid,
    'uid': uid,
    'nom' : nom,
    'prenom' : prenom,
    'compteWiki' : compteWiki,
    'tel' : tel,
    'paiement' : paiement,
    'controle': controle,
    'carteEtudiant' : carteEtudiant,
    'mailAlias' : mailAlias,
    'canonicalAlias' : canonicalAlias,
    'etudes' : etudes,
    'chbre' : chbre,
    'droits' : droits,
    'solde' : solde,
    'gpgFingerprint' : gpgFingerprint,
    'mid' : mid,
    'rid' : rid,
    'host' : host,
    'sshFingerprint' : sshFingerprint,
    'macAddress': macAddress,
    'ipHostNumber': ipHostNumber,
    'ip6HostNumber': ip6HostNumber,
    'hostAlias' : hostAlias,
    'ipsec' : ipsec,
    'puissance' : puissance,
    'canal' : canal,
    'portTCPout' : portTCPout,
    'portTCPin' : portTCPin,
    'portUDPout' : portUDPout,
    'portUDPin' : portUDPin,
    'prise' : prise,
    'cid' : cid,
    'responsable' : responsable,
    'blacklist' : blacklist,
    'historique' : historique,
    'info': info,
    'homepageAlias': homepageAlias,
    'charteMA': charteMA,
    'mail' : mail,
    'postalAddress': postalAddress,

    # {posix,shadow}Account
    'homeDirectory': homeDirectory,
    'loginShell': loginShell,
    'uidNumber': uidNumber,
    'gecos': gecos,
    'gidNumber': gidNumber
}