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_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 if not api.driver.is_enabled_entity (record, api.aggregates):
58 raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))
61 # if this is a self cred the record's gid is the caller's gid
64 caller_gid = record.get_gid_object()
66 caller_gid = api.auth.client_cred.get_gid_caller()
67 caller_hrn = caller_gid.get_hrn()
69 object_hrn = record.get_gid_object().get_hrn()
70 rights = api.auth.determine_user_rights(caller_hrn, record)
71 # make sure caller has rights to this object
73 raise PermissionError(caller_hrn + " has no rights to " + record['name'])
75 object_gid = GID(string=record['gid'])
76 new_cred = Credential(subject = object_gid.get_subject())
77 new_cred.set_gid_caller(caller_gid)
78 new_cred.set_gid_object(object_gid)
79 new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
80 #new_cred.set_pubkey(object_gid.get_pubkey())
81 new_cred.set_privileges(rights)
82 new_cred.get_privileges().delegate_all_privileges(True)
83 if 'expires' in record:
84 new_cred.set_expiration(int(record['expires']))
85 auth_kind = "authority,ma,sa"
86 # Parent not necessary, verify with certs
87 #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
91 return new_cred.save_to_string(save_parents=True)
94 def Resolve(self, api, xrns, type=None, full=True):
96 if not isinstance(xrns, types.ListType):
98 # try to infer type if not set and we get a single input
100 type = Xrn(xrns).get_type()
101 hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
102 # load all known registry names into a prefix tree and attempt to find
103 # the longest matching prefix
104 # create a dict where key is a registry hrn and its value is a
105 # hrns at that registry (determined by the known prefix tree).
107 registries = api.registries
109 registry_hrns = registries.keys()
110 tree.load(registry_hrns)
112 registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
113 if registry_hrn not in xrn_dict:
114 xrn_dict[registry_hrn] = []
115 xrn_dict[registry_hrn].append(xrn)
118 for registry_hrn in xrn_dict:
119 # skip the hrn without a registry hrn
120 # XX should we let the user know the authority is unknown?
124 # if the best match (longest matching hrn) is not the local registry,
125 # forward the request
126 xrns = xrn_dict[registry_hrn]
127 if registry_hrn != api.hrn:
128 credential = api.getCredential()
129 interface = api.registries[registry_hrn]
130 server_proxy = api.server_proxy(interface, credential)
131 peer_records = server_proxy.Resolve(xrns, credential)
132 records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
134 # try resolving the remaining unfound records at the local registry
135 local_hrns = list ( set(hrns).difference([record['hrn'] for record in records]) )
138 local_records = table.findObjects({'hrn': local_hrns})
141 api.driver.fill_record_info(local_records, api.aggregates)
143 # convert local record objects to dicts
144 records.extend([dict(record) for record in local_records])
146 records = filter(lambda rec: rec['type'] in [type], records)
149 raise RecordNotFound(str(hrns))
153 def List(self, api, xrn, origin_hrn=None):
154 hrn, type = urn_to_hrn(xrn)
155 # load all know registry names into a prefix tree and attempt to find
156 # the longest matching prefix
158 registries = api.registries
159 registry_hrns = registries.keys()
161 tree.load(registry_hrns)
162 registry_hrn = tree.best_match(hrn)
164 #if there was no match then this record belongs to an unknow registry
166 raise MissingAuthority(xrn)
167 # if the best match (longest matching hrn) is not the local registry,
168 # forward the request
170 if registry_hrn != api.hrn:
171 credential = api.getCredential()
172 interface = api.registries[registry_hrn]
173 server_proxy = api.server_proxy(interface, credential)
174 record_list = server_proxy.List(xrn, credential)
175 records = [SfaRecord(dict=record).as_dict() for record in record_list]
177 # if we still have not found the record yet, try the local registry
179 if not api.auth.hierarchy.auth_exists(hrn):
180 raise MissingAuthority(hrn)
183 records = table.find({'authority': hrn})
188 def CreateGid(self, api, xrn, cert):
190 authority = Xrn(xrn=xrn).get_authority_hrn()
191 auth_info = api.auth.get_auth_info(authority)
193 pkey = Keypair(create=True)
195 certificate = Certificate(string=cert)
196 pkey = certificate.get_pubkey()
197 gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey)
198 return gid.save_to_string(save_parents=True)
200 def Register(self, api, record):
202 hrn, type = record['hrn'], record['type']
203 urn = hrn_to_urn(hrn,type)
205 if type not in ['authority', 'slice', 'node', 'user']:
206 raise UnknownSfaType(type)
208 # check if record already exists
210 existing_records = table.find({'type': type, 'hrn': hrn})
212 raise ExistingRecord(hrn)
214 record = SfaRecord(dict = record)
215 record['authority'] = get_authority(record['hrn'])
216 auth_info = api.auth.get_auth_info(record['authority'])
218 # make sure record has a gid
219 if 'gid' not in record:
221 pkey = Keypair(create=True)
222 if 'key' in record and record['key']:
223 # use only first key in record
224 if isinstance(record['key'], types.ListType):
225 pub_key = record['key'][0]
227 pub_key = record['key']
228 pkey = convert_public_key(pub_key)
230 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
231 gid = gid_object.save_to_string(save_parents=True)
235 if type in ["authority"]:
237 if not api.auth.hierarchy.auth_exists(hrn):
238 api.auth.hierarchy.create_auth(hrn_to_urn(hrn,'authority'))
240 # get the GID from the newly created authority
241 gid = auth_info.get_gid_object()
242 record.set_gid(gid.save_to_string(save_parents=True))
243 pointer = api.driver.register (hrn, record, pub_key)
245 elif (type == "slice"):
246 pointer = api.driver.register (hrn, record, pub_key)
248 elif (type == "user"):
249 pointer = api.driver.register (hrn, record, pub_key)
251 elif (type == "node"):
252 pointer = api.driver.register (hrn, record, pub_key)
254 record.set_pointer(pointer)
255 record_id = table.insert(record)
256 record['record_id'] = record_id
258 # update membership for researchers, pis, owners, operators
259 api.driver.update_membership(None, record)
261 return record.get_gid_object().save_to_string(save_parents=True)
263 def Update(self, api, record_dict):
264 new_record = SfaRecord(dict = record_dict)
265 type = new_record['type']
266 hrn = new_record['hrn']
267 urn = hrn_to_urn(hrn,type)
269 # make sure the record exists
270 records = table.findObjects({'type': type, 'hrn': hrn})
272 raise RecordNotFound(hrn)
274 record['last_updated'] = time.gmtime()
276 # Update_membership needs the membership lists in the existing record
277 # filled in, so it can see if members were added or removed
278 api.driver.fill_record_info(record, api.aggregates)
280 # Use the pointer from the existing record, not the one that the user
281 # gave us. This prevents the user from inserting a forged pointer
282 pointer = record['pointer']
283 # update the PLC information that was specified with the record
285 if (type == "authority"):
286 api.driver.UpdateSite(pointer, new_record)
288 elif type == "slice":
289 pl_record=api.driver.sfa_fields_to_pl_fields(type, hrn, new_record)
290 if 'name' in pl_record:
291 pl_record.pop('name')
292 api.driver.UpdateSlice(pointer, pl_record)
295 # SMBAKER: UpdatePerson only allows a limited set of fields to be
296 # updated. Ideally we should have a more generic way of doing
297 # this. I copied the field names from UpdatePerson.py...
299 all_fields = new_record
300 for key in all_fields.keys():
301 if key in ['first_name', 'last_name', 'title', 'email',
302 'password', 'phone', 'url', 'bio', 'accepted_aup',
304 update_fields[key] = all_fields[key]
305 api.driver.UpdatePerson(pointer, update_fields)
307 if 'key' in new_record and new_record['key']:
308 # must check this key against the previous one if it exists
309 persons = api.driver.GetPersons([pointer], ['key_ids'])
311 keys = person['key_ids']
312 keys = api.driver.GetKeys(person['key_ids'])
314 if isinstance(new_record['key'], types.ListType):
315 new_key = new_record['key'][0]
317 new_key = new_record['key']
319 # Delete all stale keys
321 if new_record['key'] != key['key']:
322 api.driver.DeleteKey(key['key_id'])
326 api.driver.AddPersonKey(pointer, {'key_type': 'ssh', 'key': new_key})
328 # update the openssl key and gid
329 pkey = convert_public_key(new_key)
331 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
332 gid = gid_object.save_to_string(save_parents=True)
334 record = SfaRecord(dict=record)
338 api.driver.UpdateNode(pointer, new_record)
341 raise UnknownSfaType(type)
343 # update membership for researchers, pis, owners, operators
344 api.driver.update_membership(record, new_record)
348 # expecting an Xrn instance
349 def Remove(self, api, xrn, origin_hrn=None):
352 filter = {'hrn': xrn.get_hrn()}
355 if type and type not in ['all', '*']:
356 filter['type'] = type
358 records = table.find(filter)
359 if not records: raise RecordNotFound(hrn)
361 type = record['type']
363 credential = api.getCredential()
364 registries = api.registries
366 # Try to remove the object from the PLCDB of federated agg.
367 # This is attempted before removing the object from the local agg's PLCDB and sfa table
368 if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
369 for registry in registries:
370 if registry not in [api.hrn]:
372 result=registries[registry].remove_peer_object(credential, record, origin_hrn)
376 persons = api.driver.GetPersons(record['pointer'])
377 # only delete this person if he has site ids. if he doesnt, it probably means
378 # he was just removed from a site, not actually deleted
379 if persons and persons[0]['site_ids']:
380 api.driver.DeletePerson(record['pointer'])
381 elif type == "slice":
382 if api.driver.GetSlices(record['pointer']):
383 api.driver.DeleteSlice(record['pointer'])
385 if api.driver.GetNodes(record['pointer']):
386 api.driver.DeleteNode(record['pointer'])
387 elif type == "authority":
388 if api.driver.GetSites(record['pointer']):
389 api.driver.DeleteSite(record['pointer'])
391 raise UnknownSfaType(type)
397 def get_key_from_incoming_ip (self, api):
398 # verify that the callers's ip address exist in the db and is an interface
399 # for a node in the db
400 (ip, port) = api.remote_addr
401 interfaces = api.driver.GetInterfaces({'ip': ip}, ['node_id'])
403 raise NonExistingRecord("no such ip %(ip)s" % locals())
404 nodes = api.driver.GetNodes([interfaces[0]['node_id']], ['node_id', 'hostname'])
406 raise NonExistingRecord("no such node using ip %(ip)s" % locals())
409 # look up the sfa record
411 records = table.findObjects({'type': 'node', 'pointer': node['node_id']})
413 raise RecordNotFound("pointer:" + str(node['node_id']))
416 # generate a new keypair and gid
418 pkey = Keypair(create=True)
419 urn = hrn_to_urn(record['hrn'], record['type'])
420 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
421 gid = gid_object.save_to_string(save_parents=True)
428 # attempt the scp the key
429 # and gid onto the node
430 # this will only work for planetlab based components
431 (kfd, key_filename) = tempfile.mkstemp()
432 (gfd, gid_filename) = tempfile.mkstemp()
433 pkey.save_to_file(key_filename)
434 gid_object.save_to_file(gid_filename, save_parents=True)
435 host = node['hostname']
436 key_dest="/etc/sfa/node.key"
437 gid_dest="/etc/sfa/node.gid"
439 #identity = "/etc/planetlab/root_ssh_key.rsa"
440 identity = "/etc/sfa/root_ssh_key"
441 scp_options=" -i %(identity)s " % locals()
442 scp_options+="-o StrictHostKeyChecking=no " % locals()
443 scp_key_command="%(scp)s %(scp_options)s %(key_filename)s root@%(host)s:%(key_dest)s" %\
445 scp_gid_command="%(scp)s %(scp_options)s %(gid_filename)s root@%(host)s:%(gid_dest)s" %\
448 all_commands = [scp_key_command, scp_gid_command]
450 for command in all_commands:
451 (status, output) = commands.getstatusoutput(command)
453 raise Exception, output
455 for filename in [key_filename, gid_filename]: