-
-
+import string
+from sfa.util.xrn import Xrn,get_authority
import ldap
-from sfa.util.config import *
-from sfa.trust.gid import *
-from sfa.trust.hierarchy import *
-from sfa.trust.auth import *
+from sfa.util.config import Config
+#from sfa.trust.gid import *
+from sfa.trust.hierarchy import Hierarchy
+#from sfa.trust.auth import *
from sfa.trust.certificate import *
+import ldap.modlist as modlist
+from sfa.util.sfalogging import logger
+
+class ldap_co:
+ """ Set admin login and server configuration variables."""
+ def __init__(self):
+
+ self.login = 'cn=admin,dc=senslab,dc=info'
+ self.passwd = 'sfa'
+ self.server_ip = "192.168.0.251"
+
+
+ def connect(self, bind = True):
+ """Enables connection to the LDAP server.
+ Set the bind parameter to True if a bind is needed
+ (for add/modify/delete operations).
+ Set to False otherwise.
+
+ """
+ try:
+ self.ldapserv = ldap.open(self.server_ip)
+ except ldap.LDAPError, e:
+ return {'bool' : False, 'message' : e }
+
+ # Bind with authentification
+ if(bind):
+ return self.bind()
+
+ else:
+ return {'bool': True}
+
+
+ def bind(self):
+ """ Binding method. """
+ try:
+ # Opens a connection after a call to ldap.open in connect:
+ self.ldapserv = ldap.initialize("ldap://" + self.server_ip )
+
+ # Bind/authenticate with a user with apropriate rights to add objects
+ self.ldapserv.simple_bind_s(self.login, self.passwd)
+ except ldap.LDAPError, e:
+ return {'bool' : False, 'message' : e }
+
+ return {'bool': True}
+
+ def close(self):
+ """ Close the LDAP connection """
+ try:
+ self.ldapserv.unbind_s()
+ except ldap.LDAPError, e:
+ return {'bool' : False, 'message' : e }
+
+
class LDAPapi :
- def __init__(self, record_filter = None):
- self.ldapserv=ldap.open("192.168.0.251")
+ def __init__(self):
+
+ #SFA related config
self.senslabauth=Hierarchy()
config=Config()
self.authname=config.SFA_REGISTRY_ROOT_AUTH
- authinfo=self.senslabauth.get_auth_info(self.authname)
-
- self.auth=Auth()
- gid=authinfo.get_gid_object()
- self.ldapdictlist = ['type',
- 'pkey',
- 'uid',
- 'serial',
- 'authority',
- 'peer_authority',
- 'pointer' ,
- 'hrn']
+ #authinfo=self.senslabauth.get_auth_info(self.authname)
- def ldapFind(self, record_filter = None, columns=None):
- results = []
-
- if 'authority' in record_filter:
- # ask for authority
- if record_filter['authority']==self.authname:
- # which is SFA_REGISTRY_ROOT_AUTH
- # request all records which are under our authority, ie all ldap entries
- ldapfilter="cn=*"
- else:
- #which is NOT SFA_REGISTRY_ROOT_AUTH
- return []
- else :
- if not 'hrn' in record_filter:
- print >>sys.stderr,"find : don't know how to handle filter ",record_filter
- return []
- else:
- hrns=[]
- h=record_filter['hrn']
- if isinstance(h,list):
- hrns=h
- else :
- hrns.append(h)
+ #self.auth=Auth()
+ #gid=authinfo.get_gid_object()
+ #self.ldapdictlist = ['type',
+ #'pkey',
+ #'uid',
+ #'serial',
+ #'authority',
+ #'peer_authority',
+ #'pointer' ,
+ #'hrn']
+ self.baseDN = "ou=people,dc=senslab,dc=info"
+ self.conn = ldap_co()
+
- ldapfilter="(|"
- for hrn in hrns:
- splited_hrn=hrn.split(".")
- if splited_hrn[0] != self.authname :
- print >>sys.stderr,"i know nothing about",hrn, " my authname is ", self.authname, " not ", splited_hrn[0]
- else :
- login=splited_hrn[1]
- ldapfilter+="(uid="
- ldapfilter+=login
- ldapfilter+=")"
- ldapfilter+=")"
+ def generate_login(self, record):
+ """Generate login for adding a new user in LDAP Directory
+ (four characters minimum length)
+ Record contains first name and last name.
+
+ """
+ #Remove all special characters from first_name/last name
+ lower_first_name = record['first_name'].replace('-','')\
+ .replace('_','').replace('[','')\
+ .replace(']','').replace(' ','')\
+ .lower()
+ lower_last_name = record['last_name'].replace('-','')\
+ .replace('_','').replace('[','')\
+ .replace(']','').replace(' ','')\
+ .lower()
+ length_last_name = len(lower_last_name)
+ login_max_length = 8
+
+ #Try generating a unique login based on first name and last name
+ getAttrs = ['uid']
+ if length_last_name >= login_max_length :
+ login = lower_last_name[0:login_max_length]
+ index = 0;
+ logger.debug("login : %s index : %s" %login %index);
+ elif length_last_name >= 4 :
+ login = lower_last_name
+ index = 0
+ logger.debug("login : %s index : %s" %login %index);
+ elif length_last_name == 3 :
+ login = lower_first_name[0:1] + lower_last_name
+ index = 1
+ logger.debug("login : %s index : %s" %login %index);
+ elif length_last_name == 2:
+ if len ( lower_first_name) >=2:
+ login = lower_first_name[0:2] + lower_last_name
+ index = 2
+ logger.debug("login : %s index : %s" %login %index);
+ else:
+ logger.error("LoginException : \
+ Generation login error with \
+ minimum four characters")
+
+
+ else :
+ logger.error("LDAP generate_login failed : \
+ impossible to generate unique login for %s %s" \
+ %lower_first_name %lower_last_name)
+
+ filter = '(uid='+ login+ ')'
+ try :
+ #Check if login already in use
+ while (self.ldapSearch(filter, getAttrs) is not [] ):
+
+ index += 1
+ if index >= 9:
+ logger.error("LoginException : Generation login error \
+ with minimum four characters")
+ else:
+ try:
+ login = lower_first_name[0,index] + \
+ lower_last_name[0,login_max_length-index]
+ filter = '(uid='+ login+ ')'
+ except KeyError:
+ print "lower_first_name - lower_last_name too short"
+ return login
+
+ except ldap.LDAPError,e :
+ logger.log_exc("LDAP generate_login Error %s" %e)
+ #print >>sys.stderr, "ERROR LDAP %s" %(e)
+
+
+ def find_max_uidNumber(self):
+
+ """Find the LDAP max uidNumber (POSIX uid attribute) .
+ Used when adding a new user in LDAP Directory
+ returns integer max uidNumber + 1
+
+ """
+ #Get all the users in the LDAP
+ ldapUserUidNumberMin = 2000
+
+ getAttrs = "(uidNumber=*)"
+ filter = ['uidNumber']
+
+ result_data = self.ldapSearch(getAttrs, filter)
+ #First LDAP user
+ if result_data == []:
+ max_uidnumber = ldapUserUidNumberMin
+ #Get the highest uidNumber
+ else:
+ uidNumberList = [r[1]['uidNumber'] for r in result_data ]
+ max_uidnumber = max(uidNumberList) + 1
+
+ return max_uidnumber
+
+
+ def make_ldap_attributes_from_record(self, record):
+
+ attrs = {}
+ attrs['objectClass'] = ["top", "person", "inetOrgPerson",\
+ "organizationalPerson", "posixAccount",\
+ "shadowAccount", "systemQuotas",\
+ "ldapPublicKey"]
+
+ attrs['givenName'] = str(record['first_name']).lower(),capitalize()
+ attrs['sn'] = str(record['last_name']).lower().capitalize()
+ attrs['cn'] = attrs['givenName'] + ' ' + attrs['sn']
+ attrs['gecos'] = attrs['givenName'] + ' ' + attrs['sn']
+ attrs['uid'] = self.generate_login(record)
+
+ attrs['quota'] = '/dev/vdb:2000000:2500000:0:0'
+ attrs['homeDirectory'] = '/senslab/users/' + attrs['uid']
+ attrs['loginShell'] = '/senslab/users/.ssh/welcome.sh'
+ attrs['gidNumber'] = '2000'
+ attrs['uidNumber'] = str(self.find_max_uidNumber())
+ attrs['mail'] = record['mail'].lower()
+ attrs['sshPublicKey'] = record['sshpkey'] #To be filled by N. Turro
+ attrs['description'] = 'SFA USER FROM OUTSIDE SENSLAB'
+ #TODO TO BE FILLED
+ attrs['userPassword']= ""
+
+ return attrs
+
+ def ldapAdd(self, record = None) :
+ #SFA users are added from here
+ #They get a description attribute which others don't have.
+
+ #Bind to the server
+ result = self.conn.connect()
+
+ if(result['bool']):
+
+ # A dict to help build the "body" of the object
+ attrs = self.make_ldap_attributes_from_record(record)
+
+ print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapAdd attrs %s " %(attrs)
+ # The dn of our new entry/object
+ dn = 'uid=' +attrs['uid'] +","+self.baseDN
+
+ try:
+ ldif = modlist.addModlist(attrs)
+ print " \r\n \r\n LDAPapi.PY add attrs %s \r\n ldif %s " %(attrs,ldif)
+ self.conn.ldapserv.add_s(dn,ldif)
+ logger.info("Adding user %s login %s in LDAP" \
+ %attrs['cn'], %attrs['uid'] )
+ except ldap.LDAPError, e:
+ logger.log_exc("LDAP Add Error %s" %e)
+ return {'bool' : False, 'message' : e }
+
+ self.conn.close()
+ return {'bool': True}
+ else:
+ return result
+
+
+
+ def ldapDelete(self, record_filter):
+ #Find uid of the person
+ person = self.ldapFindHrn(record_filter)
+
+ if person:
+ dn = 'uid=' + person['uid'] + "," +self.baseDN
+ else:
+ return {'bool': False}
+
+ #Connect and bind
+ result = self.conn.connect()
+ if(result['bool']):
+ try:
+ self.conn.ldapserv.delete_s(dn)
+ return {'bool': True}
+
+ except ldap.LDAPError, e:
+ logger.log_exc("LDAP Delete Error %s" %e)
+ print>>sys.stderr, "\r\n LDAP.PY \tldapDelete error : %s" %(e)
+ return {'bool': False}
+
+
+ def ldapModify(self, record_filter, new_attributes):
+ """
+ Gets the record from one user based on record_filter
+ and changes the attributes according to the specified new_attributes.
+ Does not use this if we need to modify the uid. Use a ModRDN
+ #operation instead ( modify relative DN )
+ """
+
+ person = self.ldapFindHrn(record_filter,[] )
+ if person:
+ # The dn of our existing entry/object
+ dn = 'uid=' + person['uid'] + "," +self.baseDN
+ else:
+ return
+
+ if new_attributes:
+ old = {}
+ for k in new_attributes:
+ old[k] = person[k]
+
+ ldif = modlist.modifyModlist(old,new_attributes)
+
+ # Connect and bind/authenticate
+ result = self.conn.connect(bind)
+ if (result['bool']):
+ try:
+ self.conn.ldapserver.modify_s(dn,ldif)
+ self.close()
+ except ldap.LDAPError, e:
+ return {'bool' : False, 'message' : e }
+ return {'bool': True}
+
+
+
+ #TODO Handle OR filtering in the ldap query when
+ #dealing with a list of records instead of doing a for loop in GetPersons
+ def make_ldap_filters_from_record(self, record=None):
+
+ req_ldapdict = {}
+ if record :
+ if 'first_name' in record and 'last_name' in record:
+ req_ldapdict['cn'] = str(record['first_name'])+" "+str(record['last_name'])
+ if 'email' in record :
+ req_ldapdict['mail'] = record['email']
+ if 'hrn' in record :
+ splited_hrn = record['hrn'].split(".")
+ if splited_hrn[0] != self.authname :
+ print >>sys.stderr,"i know nothing about",record['hrn'], " my authname is ", self.authname, " not ", splited_hrn[0]
+ login=splited_hrn[1]
+ req_ldapdict['uid'] = login
+
+ req_ldap=''
+ 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)
+ for k in req_ldapdict:
+ req_ldap += '('+str(k)+'='+str(req_ldapdict[k])+')'
+ if len(req_ldapdict.keys()) >1 :
+ req_ldap = req_ldap[:0]+"(&"+req_ldap[0:]
+ size = len(req_ldap)
+ req_ldap= req_ldap[:(size-1)] +')'+ req_ldap[(size-1):]
+ else:
+ req_ldap = "(cn=*)"
+
+ return req_ldap
+
+
+
+ #Returns one matching entry
+ def ldapSearch (self, req_ldap = None, return_fields = None ):
+
+ self.conn.connect(bind = False)
+ req_ldap = self.make_ldap_filters_from_record(record)
+ return_fields = []
+ if expected_fields == None :
+ return_fields = ['mail','givenName', 'sn', 'uid','sshPublicKey']
+ else :
+ return_fields = expected_fields
+ print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch req_ldap %s return_fields %s " %(req_ldap,return_fields)
+
+ try:
+ msg_id = self.conn.ldapserv.search(
+ self.baseDN,ldap.SCOPE_SUBTREE,\
+ req_ldap,return_fields)
+ #Get all the results matching the search from ldap in one shot (1 value)
+ result_type, result_data = self.conn.ldapserv.result(msg_id,1)
+ #results = []
+ print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch result_data %s" %(result_data)
+
+ return result_data
+ #if result_data is None:
+ #return None
+ ##Asked for a specific user
+ #if record :
+ #ldapentry = result_data[0][1]
+ #print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch ldapentry %s" %(ldapentry)
+ #tmpname = ldapentry['uid'][0]
+
+ #tmpemail = ldapentry['mail'][0]
+ #if ldapentry['mail'][0] == "unknown":
+ #tmpemail = None
+
+ #try:
+ #hrn = record['hrn']
+ #parent_hrn = get_authority(hrn)
+ #peer_authority = None
+ #if parent_hrn is not self.authname:
+ #peer_authority = parent_hrn
+
+
+
+ #results= {
+ #'type': 'user',
+ #'pkey': ldapentry['sshPublicKey'][0],
+ ##'uid': ldapentry[1]['uid'][0],
+ #'uid': tmpname ,
+ #'email':tmpemail,
+ ##'email': ldapentry[1]['mail'][0],
+ #'first_name': ldapentry['givenName'][0],
+ #'last_name': ldapentry['sn'][0],
+ ##'phone': 'none',
+ #'serial': 'none',
+ #'authority': parent_hrn,
+ #'peer_authority': peer_authority,
+ #'pointer' : -1,
+ #'hrn': hrn,
+ #}
+ #except KeyError:
+ #print >>sys.stderr, "\r\n \r\n LDAPapi \t ldapSearch KEyError results %s" %(results)
+ #pass
+ #else:
+ ##Asked for all users in ldap
+ #results = []
+ #for ldapentry in result_data:
+ #print>>sys.stderr,"\r\n\t\t LDAP.py ldapentry name : %s " %(ldapentry[1]['uid'][0])
+ #tmpname = ldapentry[1]['uid'][0]
+ #hrn=self.authname+"."+ tmpname
+
+ #tmpemail = ldapentry[1]['mail'][0]
+ #if ldapentry[1]['mail'][0] == "unknown":
+ #tmpemail = None
+
+
+ #parent_hrn = get_authority(hrn)
+ #parent_auth_info = self.senslabauth.get_auth_info(parent_hrn)
+ #try:
+ #results.append( {
+ #'type': 'user',
+ #'pkey': ldapentry[1]['sshPublicKey'][0],
+ ##'uid': ldapentry[1]['uid'][0],
+ #'uid': tmpname ,
+ #'email':tmpemail,
+ ##'email': ldapentry[1]['mail'][0],
+ #'first_name': ldapentry[1]['givenName'][0],
+ #'last_name': ldapentry[1]['sn'][0],
+ ## 'phone': 'none',
+ #'serial': 'none',
+ #'authority': self.authname,
+ #'peer_authority': '',
+ #'pointer' : -1,
+ #'hrn': hrn,
+ #} )
+ #except KeyError:
+ #pass
+ #return results
+
+
+ except ldap.LDAPError,e :
+ print >>sys.stderr, "ERROR LDAP %s" %(e)
+
+
+
+ def ldapFindHrn(self,record = None, expected_fields = None):
+ self.conn.connect(bind = False)
+ req_ldap = self.make_ldap_filters_from_record(record)
+ return_fields = []
+ if expected_fields == None :
+ return_fields = ['mail','givenName', 'sn', 'uid','sshPublicKey']
+ else :
+ return_fields = expected_fields
+
+ result_data = self.ldapSearch(req_ldap, return_fields )
+
+ if result_data is None:
+ return None
+ #Asked for a specific user
+ if record :
+ ldapentry = result_data[0][1]
+ print >>sys.stderr, "\r\n \r\n \t LDAP.PY \t\t ldapSearch ldapentry %s" %(ldapentry)
+ tmpname = ldapentry['uid'][0]
+
+ tmpemail = ldapentry['mail'][0]
+ if ldapentry['mail'][0] == "unknown":
+ tmpemail = None
+
+ try:
+ hrn = record['hrn']
+ parent_hrn = get_authority(hrn)
+ peer_authority = None
+ if parent_hrn is not self.authname:
+ peer_authority = parent_hrn
+
+
+
+ results= {
+ 'type': 'user',
+ 'pkey': ldapentry['sshPublicKey'][0],
+ #'uid': ldapentry[1]['uid'][0],
+ 'uid': tmpname ,
+ 'email':tmpemail,
+ #'email': ldapentry[1]['mail'][0],
+ 'first_name': ldapentry['givenName'][0],
+ 'last_name': ldapentry['sn'][0],
+ #'phone': 'none',
+ 'serial': 'none',
+ 'authority': parent_hrn,
+ 'peer_authority': peer_authority,
+ 'pointer' : -1,
+ 'hrn': hrn,
+ }
+ except KeyError:
+ print >>sys.stderr, "\r\n \r\n LDAPapi \t ldapSearch KEyError results %s" %(results)
+ pass
+ else:
+ #Asked for all users in ldap
+ results = []
+ for ldapentry in result_data:
+ print>>sys.stderr,"\r\n\t\t LDAP.py ldapentry name : %s " %(ldapentry[1]['uid'][0])
+ tmpname = ldapentry[1]['uid'][0]
+ hrn=self.authname+"."+ tmpname
+
+ tmpemail = ldapentry[1]['mail'][0]
+ if ldapentry[1]['mail'][0] == "unknown":
+ tmpemail = None
+
+
+ parent_hrn = get_authority(hrn)
+ parent_auth_info = self.senslabauth.get_auth_info(parent_hrn)
+ try:
+ results.append( {
+ 'type': 'user',
+ 'pkey': ldapentry[1]['sshPublicKey'][0],
+ #'uid': ldapentry[1]['uid'][0],
+ 'uid': tmpname ,
+ 'email':tmpemail,
+ #'email': ldapentry[1]['mail'][0],
+ 'first_name': ldapentry[1]['givenName'][0],
+ 'last_name': ldapentry[1]['sn'][0],
+ # 'phone': 'none',
+ 'serial': 'none',
+ 'authority': self.authname,
+ 'peer_authority': '',
+ 'pointer' : -1,
+ 'hrn': hrn,
+ } )
+ except KeyError:
+ pass
+ return results
+
+ #def ldapFindHrn(self, record_filter = None):
+ ##def ldapFindHrn(self, record_filter = None, columns=None):
+
+ #results = []
+ #self.conn.connect(bind = False)
+ ##self.connect()
+ #if 'authority' in record_filter:
+ ## ask for authority
+ #if record_filter['authority']==self.authname:
+ ## which is SFA_REGISTRY_ROOT_AUTH
+ ## request all records which are under our authority, ie all ldap entries
+ #ldapfilter="cn=*"
+ #else:
+ ##which is NOT SFA_REGISTRY_ROOT_AUTH
+ #return []
+ #else :
+ #if not 'hrn' in record_filter:
+ #print >>sys.stderr,"find : don't know how to handle filter ",record_filter
+ #return []
+ #else:
+ #hrns=[]
+ #h=record_filter['hrn']
+ #if isinstance(h,list):
+ #hrns=h
+ #else :
+ #hrns.append(h)
+ #ldapfilter="(|"
+ #for hrn in hrns:
+ #splited_hrn=hrn.split(".")
+ #if splited_hrn[0] != self.authname :
+ #print >>sys.stderr,"i know nothing about",hrn, " my authname is ", self.authname, " not ", splited_hrn[0]
+ #else :
+ #login=splited_hrn[1]
+ #ldapfilter+="(uid="
+ #ldapfilter+=login
+ #ldapfilter+=")"
+ #ldapfilter+=")"
- rindex=self.ldapserv.search("ou=people,dc=senslab,dc=info",ldap.SCOPE_SUBTREE,ldapfilter, ['mail','givenName', 'sn', 'uid','sshPublicKey'])
- ldapresponse=self.ldapserv.result(rindex,1)
- for ldapentry in ldapresponse[1]:
- hrn=self.authname+"."+ldapentry[1]['uid'][0]
-# uuid=create_uuid()
+ #rindex=self.conn.ldapserv.search(self.baseDN,ldap.SCOPE_SUBTREE,ldapfilter, ['mail','givenName', 'sn', 'uid','sshPublicKey'])
+ ##rindex=self.ldapserv.search(self.baseDN,ldap.SCOPE_SUBTREE,ldapfilter, ['mail','givenName', 'sn', 'uid','sshPublicKey'])
+ #ldapresponse=self.conn.ldapserv.result(rindex,1)
+ #for ldapentry in ldapresponse[1]:
+
+ #tmpname = ldapentry[1]['uid'][0]
+
+ #if ldapentry[1]['uid'][0] == "savakian":
+ #tmpname = 'avakian'
+
+ #hrn=self.authname+"."+ tmpname
+
+ #tmpemail = ldapentry[1]['mail'][0]
+ #if ldapentry[1]['mail'][0] == "unknown":
+ #tmpemail = None
+## uuid=create_uuid()
-# RSA_KEY_STRING=ldapentry[1]['sshPublicKey'][0]
+## RSA_KEY_STRING=ldapentry[1]['sshPublicKey'][0]
-# pkey=convert_public_key(RSA_KEY_STRING)
+## pkey=convert_public_key(RSA_KEY_STRING)
-# gid=self.senslabauth.create_gid("urn:publicid:IDN+"+self.authname+"+user+"+ldapentry[1]['uid'][0], uuid, pkey, CA=False)
+## gid=self.senslabauth.create_gid("urn:publicid:IDN+"+self.authname+"+user+"+ldapentry[1]['uid'][0], uuid, pkey, CA=False)
- parent_hrn = get_authority(hrn)
- parent_auth_info = self.senslabauth.get_auth_info(parent_hrn)
+ #parent_hrn = get_authority(hrn)
+ #parent_auth_info = self.senslabauth.get_auth_info(parent_hrn)
- results.append( {
- 'type': 'user',
- 'pkey': ldapentry[1]['sshPublicKey'][0],
- 'uid': ldapentry[1]['uid'][0],
-# 'email': ldapentry[1]['mail'][0],
-# 'first_name': ldapentry[1]['givenName'][0],
-# 'last_name': ldapentry[1]['sn'][0],
-# 'phone': 'none',
- 'serial': 'none',
- 'authority': self.authname,
- 'peer_authority': '',
- 'pointer' : -1,
- 'hrn': hrn,
- } )
- return results
+ #results.append( {
+ #'type': 'user',
+ #'pkey': ldapentry[1]['sshPublicKey'][0],
+ ##'uid': ldapentry[1]['uid'][0],
+ #'uid': tmpname ,
+ #'email':tmpemail,
+ ##'email': ldapentry[1]['mail'][0],
+ #'first_name': ldapentry[1]['givenName'][0],
+ #'last_name': ldapentry[1]['sn'][0],
+## 'phone': 'none',
+ #'serial': 'none',
+ #'authority': self.authname,
+ #'peer_authority': '',
+ #'pointer' : -1,
+ #'hrn': hrn,
+ #} )
+ #return results
git://git.onelab.eu / sfa.git / blobdiff