3 # for get_key_from_incoming_ip
8 from sfa.util.faults import RecordNotFound, AccountNotEnabled, PermissionError, MissingAuthority, \
9 UnknownSfaType, ExistingRecord, NonExistingRecord
10 from sfa.util.prefixTree import prefixTree
11 from sfa.util.record import SfaRecord
12 from sfa.util.table import SfaTable
13 from sfa.util.xrn import Xrn, get_leaf, get_authority, hrn_to_urn, urn_to_hrn
14 from sfa.util.plxrn import hrn_to_pl_login_base
15 from sfa.util.version import version_core
17 from sfa.trust.gid import GID
18 from sfa.trust.credential import Credential
19 from sfa.trust.certificate import Certificate, Keypair, convert_public_key
20 from sfa.trust.gid import create_uuid
22 class RegistryManager:
24 def __init__ (self): pass
26 # The GENI GetVersion call
27 def GetVersion(self, api):
28 peers = dict ( [ (hrn,interface._ServerProxy__host) for (hrn,interface) in api.registries.iteritems()
31 return version_core({'interface':'registry',
36 def GetCredential(self, api, xrn, type, is_self=False):
39 hrn = urn_to_hrn(xrn)[0]
41 hrn, type = urn_to_hrn(xrn)
43 # Is this a root or sub authority
44 auth_hrn = api.auth.get_authority(hrn)
45 if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
48 auth_info = api.auth.get_auth_info(auth_hrn)
50 records = table.findObjects({'type': type, 'hrn': hrn})
52 raise RecordNotFound(hrn)
55 # verify_cancreate_credential requires that the member lists
56 # (researchers, pis, etc) be filled in
57 api.driver.fill_record_info(record, api.aggregates)
58 if record['type']=='user':
59 if not record['enabled']:
60 raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))
63 # if this is a self cred the record's gid is the caller's gid
66 caller_gid = record.get_gid_object()
68 caller_gid = api.auth.client_cred.get_gid_caller()
69 caller_hrn = caller_gid.get_hrn()
71 object_hrn = record.get_gid_object().get_hrn()
72 rights = api.auth.determine_user_rights(caller_hrn, record)
73 # make sure caller has rights to this object
75 raise PermissionError(caller_hrn + " has no rights to " + record['name'])
77 object_gid = GID(string=record['gid'])
78 new_cred = Credential(subject = object_gid.get_subject())
79 new_cred.set_gid_caller(caller_gid)
80 new_cred.set_gid_object(object_gid)
81 new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
82 #new_cred.set_pubkey(object_gid.get_pubkey())
83 new_cred.set_privileges(rights)
84 new_cred.get_privileges().delegate_all_privileges(True)
85 if 'expires' in record:
86 new_cred.set_expiration(int(record['expires']))
87 auth_kind = "authority,ma,sa"
88 # Parent not necessary, verify with certs
89 #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
93 return new_cred.save_to_string(save_parents=True)
96 def Resolve(self, api, xrns, type=None, full=True):
98 # load all known registry names into a prefix tree and attempt to find
99 # the longest matching prefix
100 if not isinstance(xrns, types.ListType):
102 type = Xrn(xrns).get_type()
104 hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
105 # create a dict where key is a registry hrn and its value is a
106 # hrns at that registry (determined by the known prefix tree).
108 registries = api.registries
110 registry_hrns = registries.keys()
111 tree.load(registry_hrns)
113 registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
114 if registry_hrn not in xrn_dict:
115 xrn_dict[registry_hrn] = []
116 xrn_dict[registry_hrn].append(xrn)
119 for registry_hrn in xrn_dict:
120 # skip the hrn without a registry hrn
121 # XX should we let the user know the authority is unknown?
125 # if the best match (longest matching hrn) is not the local registry,
126 # forward the request
127 xrns = xrn_dict[registry_hrn]
128 if registry_hrn != api.hrn:
129 credential = api.getCredential()
130 interface = api.registries[registry_hrn]
131 server_proxy = api.server_proxy(interface, credential)
132 peer_records = server_proxy.Resolve(xrns, credential)
133 records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
135 # try resolving the remaining unfound records at the local registry
136 remaining_hrns = set(hrns).difference([record['hrn'] for record in records])
137 # convert set to list
138 remaining_hrns = [hrn for hrn in remaining_hrns]
140 local_records = table.findObjects({'hrn': remaining_hrns})
142 api.driver.fill_record_info(local_records, api.aggregates)
144 # convert local record objects to dicts
145 records.extend([dict(record) for record in local_records])
147 raise RecordNotFound(str(hrns))
150 records = filter(lambda rec: rec['type'] in [type], records)
154 def List(self, api, xrn, origin_hrn=None):
155 hrn, type = urn_to_hrn(xrn)
156 # load all know registry names into a prefix tree and attempt to find
157 # the longest matching prefix
159 registries = api.registries
160 registry_hrns = registries.keys()
162 tree.load(registry_hrns)
163 registry_hrn = tree.best_match(hrn)
165 #if there was no match then this record belongs to an unknow registry
167 raise MissingAuthority(xrn)
168 # if the best match (longest matching hrn) is not the local registry,
169 # forward the request
171 if registry_hrn != api.hrn:
172 credential = api.getCredential()
173 interface = api.registries[registry_hrn]
174 server_proxy = api.server_proxy(interface, credential)
175 record_list = server_proxy.List(xrn, credential)
176 records = [SfaRecord(dict=record).as_dict() for record in record_list]
178 # if we still have not found the record yet, try the local registry
180 if not api.auth.hierarchy.auth_exists(hrn):
181 raise MissingAuthority(hrn)
184 records = table.find({'authority': hrn})
189 def CreateGid(self, api, xrn, cert):
191 authority = Xrn(xrn=xrn).get_authority_hrn()
192 auth_info = api.auth.get_auth_info(authority)
194 pkey = Keypair(create=True)
196 certificate = Certificate(string=cert)
197 pkey = certificate.get_pubkey()
198 gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey)
199 return gid.save_to_string(save_parents=True)
201 def Register(self, api, record):
203 hrn, type = record['hrn'], record['type']
204 urn = hrn_to_urn(hrn,type)
206 if type not in ['authority', 'slice', 'node', 'user']:
207 raise UnknownSfaType(type)
209 # check if record already exists
211 existing_records = table.find({'type': type, 'hrn': hrn})
213 raise ExistingRecord(hrn)
215 record = SfaRecord(dict = record)
216 record['authority'] = get_authority(record['hrn'])
217 type = record['type']
219 auth_info = api.auth.get_auth_info(record['authority'])
221 # make sure record has a gid
222 if 'gid' not in record:
224 pkey = Keypair(create=True)
225 if 'key' in record and record['key']:
226 # use only first key in record
227 if isinstance(record['key'], types.ListType):
228 pub_key = record['key'][0]
230 pub_key = record['key']
231 pkey = convert_public_key(pub_key)
233 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
234 gid = gid_object.save_to_string(save_parents=True)
238 if type in ["authority"]:
240 if not api.auth.hierarchy.auth_exists(hrn):
241 api.auth.hierarchy.create_auth(hrn_to_urn(hrn,'authority'))
243 # get the GID from the newly created authority
244 gid = auth_info.get_gid_object()
245 record.set_gid(gid.save_to_string(save_parents=True))
246 pl_record = api.driver.sfa_fields_to_pl_fields(type, hrn, record)
247 sites = api.driver.GetSites([pl_record['login_base']])
249 pointer = api.driver.AddSite(pl_record)
251 pointer = sites[0]['site_id']
253 record.set_pointer(pointer)
254 record['pointer'] = pointer
256 elif (type == "slice"):
257 acceptable_fields=['url', 'instantiation', 'name', 'description']
258 pl_record = api.driver.sfa_fields_to_pl_fields(type, hrn, record)
259 for key in pl_record.keys():
260 if key not in acceptable_fields:
262 slices = api.driver.GetSlices([pl_record['name']])
264 pointer = api.driver.AddSlice(pl_record)
266 pointer = slices[0]['slice_id']
267 record.set_pointer(pointer)
268 record['pointer'] = pointer
270 elif (type == "user"):
271 persons = api.driver.GetPersons([record['email']])
273 pointer = api.driver.AddPerson(dict(record))
275 pointer = persons[0]['person_id']
277 if 'enabled' in record and record['enabled']:
278 api.driver.UpdatePerson(pointer, {'enabled': record['enabled']})
279 # add this persons to the site only if he is being added for the first
280 # time by sfa and doesont already exist in plc
281 if not persons or not persons[0]['site_ids']:
282 login_base = get_leaf(record['authority'])
283 api.driver.AddPersonToSite(pointer, login_base)
285 # What roles should this user have?
286 api.driver.AddRoleToPerson('user', pointer)
289 api.driver.AddPersonKey(pointer, {'key_type' : 'ssh', 'key' : pub_key})
291 elif (type == "node"):
292 pl_record = api.driver.sfa_fields_to_pl_fields(type, hrn, record)
293 login_base = hrn_to_pl_login_base(record['authority'])
294 nodes = api.driver.GetNodes([pl_record['hostname']])
296 pointer = api.driver.AddNode(login_base, pl_record)
298 pointer = nodes[0]['node_id']
300 record['pointer'] = pointer
301 record.set_pointer(pointer)
302 record_id = table.insert(record)
303 record['record_id'] = record_id
305 # update membership for researchers, pis, owners, operators
306 api.driver.update_membership(None, record)
308 return record.get_gid_object().save_to_string(save_parents=True)
310 def Update(self, api, record_dict):
311 new_record = SfaRecord(dict = record_dict)
312 type = new_record['type']
313 hrn = new_record['hrn']
314 urn = hrn_to_urn(hrn,type)
316 # make sure the record exists
317 records = table.findObjects({'type': type, 'hrn': hrn})
319 raise RecordNotFound(hrn)
321 record['last_updated'] = time.gmtime()
323 # Update_membership needs the membership lists in the existing record
324 # filled in, so it can see if members were added or removed
325 api.driver.fill_record_info(record, api.aggregates)
327 # Use the pointer from the existing record, not the one that the user
328 # gave us. This prevents the user from inserting a forged pointer
329 pointer = record['pointer']
330 # update the PLC information that was specified with the record
332 if (type == "authority"):
333 api.driver.UpdateSite(pointer, new_record)
335 elif type == "slice":
336 pl_record=api.driver.sfa_fields_to_pl_fields(type, hrn, new_record)
337 if 'name' in pl_record:
338 pl_record.pop('name')
339 api.driver.UpdateSlice(pointer, pl_record)
342 # SMBAKER: UpdatePerson only allows a limited set of fields to be
343 # updated. Ideally we should have a more generic way of doing
344 # this. I copied the field names from UpdatePerson.py...
346 all_fields = new_record
347 for key in all_fields.keys():
348 if key in ['first_name', 'last_name', 'title', 'email',
349 'password', 'phone', 'url', 'bio', 'accepted_aup',
351 update_fields[key] = all_fields[key]
352 api.driver.UpdatePerson(pointer, update_fields)
354 if 'key' in new_record and new_record['key']:
355 # must check this key against the previous one if it exists
356 persons = api.driver.GetPersons([pointer], ['key_ids'])
358 keys = person['key_ids']
359 keys = api.driver.GetKeys(person['key_ids'])
361 if isinstance(new_record['key'], types.ListType):
362 new_key = new_record['key'][0]
364 new_key = new_record['key']
366 # Delete all stale keys
368 if new_record['key'] != key['key']:
369 api.driver.DeleteKey(key['key_id'])
373 api.driver.AddPersonKey(pointer, {'key_type': 'ssh', 'key': new_key})
375 # update the openssl key and gid
376 pkey = convert_public_key(new_key)
378 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
379 gid = gid_object.save_to_string(save_parents=True)
381 record = SfaRecord(dict=record)
385 api.driver.UpdateNode(pointer, new_record)
388 raise UnknownSfaType(type)
390 # update membership for researchers, pis, owners, operators
391 api.driver.update_membership(record, new_record)
395 # expecting an Xrn instance
396 def Remove(self, api, xrn, origin_hrn=None):
399 filter = {'hrn': xrn.get_hrn()}
402 if type and type not in ['all', '*']:
403 filter['type'] = type
405 records = table.find(filter)
406 if not records: raise RecordNotFound(hrn)
408 type = record['type']
410 credential = api.getCredential()
411 registries = api.registries
413 # Try to remove the object from the PLCDB of federated agg.
414 # This is attempted before removing the object from the local agg's PLCDB and sfa table
415 if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
416 for registry in registries:
417 if registry not in [api.hrn]:
419 result=registries[registry].remove_peer_object(credential, record, origin_hrn)
423 persons = api.driver.GetPersons(record['pointer'])
424 # only delete this person if he has site ids. if he doesnt, it probably means
425 # he was just removed from a site, not actually deleted
426 if persons and persons[0]['site_ids']:
427 api.driver.DeletePerson(record['pointer'])
428 elif type == "slice":
429 if api.driver.GetSlices(record['pointer']):
430 api.driver.DeleteSlice(record['pointer'])
432 if api.driver.GetNodes(record['pointer']):
433 api.driver.DeleteNode(record['pointer'])
434 elif type == "authority":
435 if api.driver.GetSites(record['pointer']):
436 api.driver.DeleteSite(record['pointer'])
438 raise UnknownSfaType(type)
444 def get_key_from_incoming_ip (self, api):
445 # verify that the callers's ip address exist in the db and is an interface
446 # for a node in the db
447 (ip, port) = api.remote_addr
448 interfaces = api.driver.GetInterfaces({'ip': ip}, ['node_id'])
450 raise NonExistingRecord("no such ip %(ip)s" % locals())
451 nodes = api.driver.GetNodes([interfaces[0]['node_id']], ['node_id', 'hostname'])
453 raise NonExistingRecord("no such node using ip %(ip)s" % locals())
456 # look up the sfa record
458 records = table.findObjects({'type': 'node', 'pointer': node['node_id']})
460 raise RecordNotFound("pointer:" + str(node['node_id']))
463 # generate a new keypair and gid
465 pkey = Keypair(create=True)
466 urn = hrn_to_urn(record['hrn'], record['type'])
467 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
468 gid = gid_object.save_to_string(save_parents=True)
475 # attempt the scp the key
476 # and gid onto the node
477 # this will only work for planetlab based components
478 (kfd, key_filename) = tempfile.mkstemp()
479 (gfd, gid_filename) = tempfile.mkstemp()
480 pkey.save_to_file(key_filename)
481 gid_object.save_to_file(gid_filename, save_parents=True)
482 host = node['hostname']
483 key_dest="/etc/sfa/node.key"
484 gid_dest="/etc/sfa/node.gid"
486 #identity = "/etc/planetlab/root_ssh_key.rsa"
487 identity = "/etc/sfa/root_ssh_key"
488 scp_options=" -i %(identity)s " % locals()
489 scp_options+="-o StrictHostKeyChecking=no " % locals()
490 scp_key_command="%(scp)s %(scp_options)s %(key_filename)s root@%(host)s:%(key_dest)s" %\
492 scp_gid_command="%(scp)s %(scp_options)s %(gid_filename)s root@%(host)s:%(gid_dest)s" %\
495 all_commands = [scp_key_command, scp_gid_command]
497 for command in all_commands:
498 (status, output) = commands.getstatusoutput(command)
500 raise Exception, output
502 for filename in [key_filename, gid_filename]: