sfa/senslab/LDAPapi.py

   1
   2 import string
   3 from sfa.util.xrn import Xrn,get_authority
   4 import ldap
   5 from sfa.util.config import *
   6 from sfa.trust.gid import *
   7 from sfa.trust.hierarchy import *
   8 from sfa.trust.auth import *
   9 from sfa.trust.certificate import *
  10 import ldap.modlist as modlist
  11
  12 class ldap_co:
  13     def __init__(self):
  14     #def __init__(self, param, level):
  15         """
  16         Constructeur permettant l'initialisation des attributs de la classe
  17         :param param: Parametres de connexion au serveur LDAP
  18         :type param: dictionnary.
  19         :param level: Niveau de criticite de l'execution de l'objet ('critical, warning')
  20         :type level: string.
  21         """
  22
  23         self.__level = 'warning'
  24         #self.__param = param
  25         #self.__level = level
  26         self.login = 'cn=admin,dc=senslab,dc=info'
  27
  28         self.passwd='sfa'
  29         print "\r\n INIT OK !"
  30
  31     def connect(self, bind = True):
  32         """
  33         Methode permettant la connexion a un serveur LDAP
  34         @param bool bind : Force ou non l'authentification au serveur
  35         @return array : Retour d'un tableau
  36         """
  37         try:
  38             self.ldapserv = ldap.open("192.168.0.251")
  39         except ldap.LDAPError, e:
  40             return {'bool' : False, 'message' : e }
  41
  42         # Bind non anonyme avec authentification
  43         if(bind):
  44             return self.bind()
  45
  46         else:
  47             return {'bool': True}
  48
  49
  50     def bind(self):
  51         """
  52         Methode permettant l'authentification a un serveur LDAP
  53         @return array : Retour d'un tableau
  54         """
  55         try:
  56             print "\r\n BIND ??!"
  57             # Open a connection
  58             self.ldapserv = ldap.initialize("ldap://192.168.0.251")
  59             # Bind/authenticate with a user with apropriate rights to add objects
  60             self.ldapserv.simple_bind_s(self.login, self.passwd)
  61             print "\r\n BIND ???"
  62         except ldap.LDAPError, e:
  63             return {'bool' : False, 'message' : e }
  64
  65         print "\r\n BIND OK !"
  66         return {'bool': True}
  67
  68     def close(self):
  69         """
  70         Methode permettant la deconnexion a un serveur LDAP
  71         """
  72         # Fermeture de la connexion
  73         try:
  74             self.ldapserv.unbind_s()
  75         except ldap.LDAPError, e:
  76             pass
  77
  78
  79 class LDAPapi :
  80         def __init__(self):
  81                 self.senslabauth=Hierarchy()
  82                 config=Config()
  83                 self.authname=config.SFA_REGISTRY_ROOT_AUTH
  84                 authinfo=self.senslabauth.get_auth_info(self.authname)
  85
  86
  87                 self.auth=Auth()
  88                 gid=authinfo.get_gid_object()
  89                 self.ldapdictlist = ['type',
  90                                 'pkey',
  91                                 'uid',
  92                                 'serial',
  93                                 'authority',
  94                                 'peer_authority',
  95                                 'pointer' ,
  96                                 'hrn']
  97                 self.baseDN = "ou=people,dc=senslab,dc=info"
  98                 self.conn =  ldap_co()
  99
 100
 101
 102         def ldapAdd(self, recordix = None) :
 103             #SFA users are added from here
 104             #They get a uidNumber range 9000 - 9999 (recerved for SFA)
 105             #They get a description attribute which others don't have.
 106             result = self.conn.connect(bind = False)
 107             if (result['bool']):
 108                 #Find all the external SFA users in the LDAP
 109                 msgid = self.conn.ldapserv.search(ldap.baseDN,D.SCOPE_SUBTREE,"(description=*)",[])
 110                 result_type, result_data = self.conn.ldapserv.result(msg_id,1)
 111                 #First external SFA user
 112                 if result_data == []:
 113                     max_uidnumber = 9000
 114                 #Get the highest uidNumber
 115                 else:
 116                     max_uidnumber = 0
 117                     for r in result_data:
 118                         if r[1]['uidNumber'] > max_uidnumber :
 119                             max_uidnumber = r[1]['uidNumber']
 120                     max_uidnumber =   max_uidnumber +1
 121
 122             result = self.conn.connect()
 123             if(result['bool']):
 124                 print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t  ldapAdd  attrs %s " %(attrs)
 125                 # A dict to help build the "body" of the object
 126                 attrs = {}
 127                 attrs['uidNumber'] = str(max_uidnumber)
 128                 attrs['objectclass'] = ['top','inetOrgPerson','posixAccount', 'systemQuotas','ldapPuclicKey']
 129                 attrs['cn'] = str(record['first_name'])+' ' + str(record['last_name'])
 130                 attrs['sn'] = str(record['last_name'])
 131                 attrs['givenName'] = str(record['first_name'])
 132                 attrs['gidNumber'] = '2000'
 133                 loginslab =str(record['first_name'])+ str(record['last_name'])
 134                 loginslab= loginslab.lower()
 135                 #loginslab  = loginslab[0:12]
 136                 attrs['uid']= loginslab
 137                 attrs['mail'] = record['mail']
 138                 attrs['quota'] = '/dev/sda3:2000000:2500000:0:0'
 139                 attrs['homeDirectory'] = '/senslab/users/' + loginslab
 140                 attrs['loginShell'] = '/senslab/users/.ssh/welcome.sh'
 141                 attrs['sshPublicKey'] = ''
 142                 attrs['description'] = 'SFA USER FROM OUTSIDE SENSLAB'
 143
 144                 # The dn of our new entry/object
 145                 dn = 'uid=' +attrs['uid'] +","+self.baseDN
 146
 147                 try:
 148                         ldif = modlist.addModlist(attrs)
 149                         print " \r\n \r\n LDAPTEST.PY add attrs %s \r\n  ldif %s  " %(attrs,ldif)
 150                         self.conn.ldapserv.add_s(dn,ldif)
 151
 152                 except ldap.LDAPError, e:
 153                     return {'bool' : False, 'message' : e }
 154
 155                 self.close()
 156                 return {'bool': True}
 157             else:
 158                 return result
 159                 return
 160
 161
 162         def ldapDelete(self, record_filter):
 163             #Find uid of the  person
 164             person = self.ldapSearch(record_filter, ['uid'])
 165
 166             if person:
 167                 dn = 'uid=' +person['uid'] +","+self.baseDN
 168             else:
 169                 return {'bool': False}
 170
 171             #Connect and bind
 172             result =  self.conn.connect()
 173             if(result['bool']):
 174                 try:
 175                     self.conn.ldapserv.delete_s(dn)
 176                     return {'bool': True}
 177
 178                 except ldap.LDAPError, e:
 179                     print>>sys.stderr, "\r\n LDAP.PY \tldapDelete error : %s" %(e)
 180                     return {'bool': False}
 181
 182
 183         def ldapModify(self, record_filter, new_attributes):
 184             """
 185             Gets the record from one user based on record_filter
 186             and changes the attributes according to the specified new_attributes.
 187             Does not use this if we need to modify the uid. Use a ModRDMN
 188             #operation instead ( modify relative DN )
 189             """
 190
 191             person = self.ldapSearch(record_filter,[] )
 192             if person:
 193                 # The dn of our existing entry/object
 194                 dn  = 'uid=' +person['uid'] +","+self.baseDN
 195             else:
 196                 return
 197
 198             if new_attributes:
 199                 old = {}
 200                 for k in new_attributes:
 201                     old[k] =  person[k]
 202
 203                 ldif = modlist.modifyModlist(old,new_attributes)
 204
 205                 # Connect and bind/authenticate
 206                 result = self.conn.connect(bind)
 207                 if (result['bool']):
 208                     try:
 209                         self.conn.ldapserver.modify_s(dn,ldif)
 210                         self.close()
 211                     except ldap.LDAPError, e:
 212                         return {'bool' : False, 'message' : e }
 213                 return {'bool': True}
 214
 215
 216
 217         #TODO Handle OR filtering in the ldap query when
 218         #dealing with a list of records instead of doing a for loop in GetPersons
 219         def make_ldap_filters_from_record(self, record=None):
 220
 221             req_ldapdict = {}
 222             if record :
 223                 if 'first_name' in record  and 'last_name' in record:
 224                     req_ldapdict['cn'] = str(record['first_name'])+" "+str(record['last_name'])
 225                 if 'email' in record :
 226                     req_ldapdict['mail'] = record['email']
 227                 if 'hrn' in record :
 228                     splited_hrn = record['hrn'].split(".")
 229                     if splited_hrn[0] != self.authname :
 230                             print >>sys.stderr,"i know nothing about",record['hrn'], " my authname is ", self.authname, " not ", splited_hrn[0]
 231                     login=splited_hrn[1]
 232                     req_ldapdict['uid'] = login
 233
 234                 req_ldap=''
 235                 print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t   make_ldap_filters_from_record record %s req_ldapdict %s" %(record,req_ldapdict)
 236                 for k in req_ldapdict:
 237                     req_ldap += '('+str(k)+'='+str(req_ldapdict[k])+')'
 238                 if  len(req_ldapdict.keys()) >1 :
 239                     req_ldap = req_ldap[:0]+"(&"+req_ldap[0:]
 240                     size = len(req_ldap)
 241                     req_ldap= req_ldap[:(size-1)] +')'+ req_ldap[(size-1):]
 242             else:
 243                 req_ldap = "(cn*)"
 244
 245             return req_ldap
 246
 247
 248
 249         #Returns one matching entry
 250         def ldapSearch (self, record = None, expected_fields = None ):
 251
 252             self.conn.connect(bind = False)
 253             #self.connect()
 254             req_ldap = self.make_ldap_filters_from_record(record)
 255             if expected_fields == None :
 256                return_fields = ['mail','givenName', 'sn', 'uid','sshPublicKey']
 257             print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch  req_ldap %s" %(req_ldap)
 258             try:
 259                 msg_id=self.conn.ldapserv.search(self.baseDN,ldap.SCOPE_SUBTREE,req_ldap,return_fields)
 260                 #Get all the results matching the search from ldap in one shot (1 value)
 261                 result_type, result_data = self.conn.ldapserv.result(msg_id,1)
 262                 #results = []
 263                 print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch  result_data %s" %(result_data)
 264
 265                 #Asked for a specific user
 266                 if record:
 267                     ldapentry = result_data[0][1]
 268                     print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch  ldapentry %s" %(ldapentry)
 269                     tmpname = ldapentry['uid'][0]
 270
 271                     tmpemail = ldapentry['mail'][0]
 272                     if ldapentry['mail'][0] == "unknown":
 273                         tmpemail = None
 274
 275                     hrn = record['hrn']
 276                     parent_hrn = get_authority(hrn)
 277                     peer_authority = None
 278                     if parent_hrn is not self.authname:
 279                         peer_authority = parent_hrn
 280
 281
 282
 283                     results=  {
 284                                 'type': 'user',
 285                                 'pkey': ldapentry['sshPublicKey'][0],
 286                                 #'uid': ldapentry[1]['uid'][0],
 287                                 'uid': tmpname ,
 288                                 'email':tmpemail,
 289                                 #'email': ldapentry[1]['mail'][0],
 290                                 'first_name': ldapentry['givenName'][0],
 291                                 'last_name': ldapentry['sn'][0],
 292                                 #'phone': 'none',
 293                                 'serial': 'none',
 294                                 'authority': parent_hrn,
 295                                 'peer_authority': peer_authority,
 296                                 'pointer' : -1,
 297                                 'hrn': hrn,
 298                                 }
 299                 else:
 300                 #Asked for all users in ldap
 301                     results = []
 302                     for ldapentry in result_data[1]:
 303
 304                         tmpname = ldapentry[1]['uid'][0]
 305
 306                         if ldapentry[1]['uid'][0] == "savakian":
 307                             tmpname = 'avakian'
 308
 309                         hrn=self.authname+"."+ tmpname
 310
 311                         tmpemail = ldapentry[1]['mail'][0]
 312                         if ldapentry[1]['mail'][0] == "unknown":
 313                             tmpemail = None
 314
 315
 316                         parent_hrn = get_authority(hrn)
 317                         parent_auth_info = self.senslabauth.get_auth_info(parent_hrn)
 318
 319                         results.append(  {
 320                                 'type': 'user',
 321                                 'pkey': ldapentry[1]['sshPublicKey'][0],
 322                                 #'uid': ldapentry[1]['uid'][0],
 323                                 'uid': tmpname ,
 324                                 'email':tmpemail,
 325                                 #'email': ldapentry[1]['mail'][0],
 326                                 'first_name': ldapentry[1]['givenName'][0],
 327                                 'last_name': ldapentry[1]['sn'][0],
 328 #                               'phone': 'none',
 329                                 'serial': 'none',
 330                                 'authority': self.authname,
 331                                 'peer_authority': '',
 332                                 'pointer' : -1,
 333                                 'hrn': hrn,
 334                                 } )
 335                 return results
 336
 337
 338             except  ldap.LDAPError,e :
 339                 print >>sys.stderr, "ERROR LDAP %s" %(e)
 340
 341
 342
 343
 344         #def ldapFindHrn(self, record_filter = None):
 345         ##def ldapFindHrn(self, record_filter = None, columns=None):
 346
 347                 #results = []
 348                 #self.conn.connect(bind = False)
 349                 ##self.connect()
 350                 #if 'authority' in record_filter:
 351                 ## ask for authority
 352                         #if record_filter['authority']==self.authname:
 353                                 ## which is SFA_REGISTRY_ROOT_AUTH
 354                                 ## request all records which are under our authority, ie all ldap entries
 355                                 #ldapfilter="cn=*"
 356                         #else:
 357                                 ##which is NOT SFA_REGISTRY_ROOT_AUTH
 358                                 #return []
 359                 #else :
 360                         #if not 'hrn' in record_filter:
 361                                 #print >>sys.stderr,"find : don't know how to handle filter ",record_filter
 362                                 #return []
 363                         #else:
 364                                 #hrns=[]
 365                                 #h=record_filter['hrn']
 366                                 #if  isinstance(h,list):
 367                                         #hrns=h
 368                                 #else :
 369                                         #hrns.append(h)
 370
 371                                 #ldapfilter="(|"
 372                                 #for hrn in hrns:
 373                                         #splited_hrn=hrn.split(".")
 374                                         #if splited_hrn[0] != self.authname :
 375                                                 #print >>sys.stderr,"i know nothing about",hrn, " my authname is ", self.authname, " not ", splited_hrn[0]
 376                                         #else :
 377                                                 #login=splited_hrn[1]
 378                                                 #ldapfilter+="(uid="
 379                                                 #ldapfilter+=login
 380                                                 #ldapfilter+=")"
 381                                 #ldapfilter+=")"
 382
 383                 #rindex=self.conn.ldapserv.search(self.baseDN,ldap.SCOPE_SUBTREE,ldapfilter, ['mail','givenName', 'sn', 'uid','sshPublicKey'])
 384                 ##rindex=self.ldapserv.search(self.baseDN,ldap.SCOPE_SUBTREE,ldapfilter, ['mail','givenName', 'sn', 'uid','sshPublicKey'])
 385                 #ldapresponse=self.conn.ldapserv.result(rindex,1)
 386                 #for ldapentry in ldapresponse[1]:
 387
 388                         #tmpname = ldapentry[1]['uid'][0]
 389
 390                         #if ldapentry[1]['uid'][0] == "savakian":
 391                             #tmpname = 'avakian'
 392
 393                         #hrn=self.authname+"."+ tmpname
 394
 395                         #tmpemail = ldapentry[1]['mail'][0]
 396                         #if ldapentry[1]['mail'][0] == "unknown":
 397                             #tmpemail = None
 398 ##                      uuid=create_uuid()
 399
 400 ##                      RSA_KEY_STRING=ldapentry[1]['sshPublicKey'][0]
 401
 402 ##                      pkey=convert_public_key(RSA_KEY_STRING)
 403
 404 ##                      gid=self.senslabauth.create_gid("urn:publicid:IDN+"+self.authname+"+user+"+ldapentry[1]['uid'][0], uuid, pkey, CA=False)
 405
 406                         #parent_hrn = get_authority(hrn)
 407                         #parent_auth_info = self.senslabauth.get_auth_info(parent_hrn)
 408
 409                         #results.append(  {
 410                                 #'type': 'user',
 411                                 #'pkey': ldapentry[1]['sshPublicKey'][0],
 412                                 ##'uid': ldapentry[1]['uid'][0],
 413                                 #'uid': tmpname ,
 414                                 #'email':tmpemail,
 415                                 ##'email': ldapentry[1]['mail'][0],
 416                                 #'first_name': ldapentry[1]['givenName'][0],
 417                                 #'last_name': ldapentry[1]['sn'][0],
 418 ##                              'phone': 'none',
 419                                 #'serial': 'none',
 420                                 #'authority': self.authname,
 421                                 #'peer_authority': '',
 422                                 #'pointer' : -1,
 423                                 #'hrn': hrn,
 424                                 #} )
 425                 #return results