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source: fedd/federation/access.py @ e11f4e0

axis_examplecompt_changesinfo-opsversion-3.01version-3.02

Last change on this file since e11f4e0 was 703859f, checked in by Ted Faber <faber@…>, 15 years ago
extraneous semis
Property mode set to `100644`
File size: 23.3 KB

Rev	Line
[f771e2f]	1	#!/usr/local/bin/python
	2
	3	import os,sys
	4	import stat # for chmod constants
	5	import re
	6	import random
	7	import string
	8	import copy
	9	import pickle
	10	import logging
	11	import subprocess
	12
	13	from threading import *
	14	from M2Crypto.SSL import SSLError
	15
	16	from util import *
	17	from allocate_project import allocate_project_local, allocate_project_remote
	18	from access_project import access_project
	19	from fedid import fedid, generate_fedid
	20	from authorizer import authorizer
	21	from service_error import service_error
	22	from remote_service import xmlrpc_handler, soap_handler, service_caller
	23
	24	import httplib
	25	import tempfile
	26	from urlparse import urlparse
	27
	28	import topdl
	29	import list_log
	30	import proxy_emulab_segment
	31	import local_emulab_segment
	32
	33
	34	# Make log messages disappear if noone configures a fedd logger
	35	class nullHandler(logging.Handler):
	36	def emit(self, record): pass
	37
	38	fl = logging.getLogger("fedd.access")
	39	fl.addHandler(nullHandler())
	40
	41	class access_base:
	42	"""
	43	The implementation of access control based on mapping users to projects.
	44
	45	Users can be mapped to existing projects or have projects created
	46	dynamically. This implements both direct requests and proxies.
	47	"""
	48
	49	class parse_error(RuntimeError): pass
	50
	51	def __init__(self, config=None, auth=None):
	52	"""
	53	Initializer. Pulls parameters out of the ConfigParser's access section.
	54	"""
	55
	56	# Make sure that the configuration is in place
	57	if not config:
	58	raise RunTimeError("No config to fedd.access")
	59
	60	self.project_priority = config.getboolean("access", "project_priority")
	61
	62	self.certdir = config.get("access","certdir")
	63	self.create_debug = config.getboolean("access", "create_debug")
	64	self.cleanup = not config.getboolean("access", "leave_tmpfiles")
	65	self.access_type = config.get("access", "type")
	66	self.log = logging.getLogger("fedd.access")
	67	set_log_level(config, "access", self.log)
	68	self.state_lock = Lock()
	69	self.state = { }
[623a2c9]	70	# subclasses fill with what and how they export.
	71	self.exports = { }
[f771e2f]	72	# XXX: Configurable
	73	self.imports = set(('SMB', 'seer', 'userconfig', 'seer_master',
	74	'hide_hosts'))
	75
	76	if auth: self.auth = auth
	77	else:
	78	self.log.error(\
	79	"[access]: No authorizer initialized, creating local one.")
	80	auth = authorizer()
	81
	82	self.state_filename = config.get("access", "access_state")
	83	self.read_state()
	84
	85	# Keep cert_file and cert_pwd coming from the same place
	86	self.cert_file = config.get("access", "cert_file")
	87	if self.cert_file:
	88	self.sert_pwd = config.get("access", "cert_pw")
	89	else:
	90	self.cert_file = config.get("globals", "cert_file")
	91	self.sert_pwd = config.get("globals", "cert_pw")
	92
	93	self.trusted_certs = config.get("access", "trusted_certs") or \
	94	config.get("globals", "trusted_certs")
	95
	96
	97	@staticmethod
	98	def software_list(v):
	99	"""
	100	From a string containing a sequence of space separated pairs, return a
	101	list of tuples with pairs of location and file.
	102	"""
	103	l = [ ]
	104	if v:
	105	ps = v.split(" ")
	106	while len(ps):
	107	loc, file = ps[0:2]
	108	del ps[0:2]
	109	l.append((loc, file))
	110	return l
	111
	112	@staticmethod
	113	def add_kit(e, kit):
	114	"""
	115	Add a Software object created from the list of (install, location)
	116	tuples passed as kit to the software attribute of an object e. We
	117	do this enough to break out the code, but it's kind of a hack to
	118	avoid changing the old tuple rep.
	119	"""
	120
	121	s = [ topdl.Software(install=i, location=l) for i, l in kit]
	122
	123	if isinstance(e.software, list): e.software.extend(s)
	124	else: e.software = s
	125
	126
	127	def read_access(self, config, access_obj=None):
	128	"""
	129	Read an access DB with filename config of the form:
[2f6820c]	130	(id, id, id) -> attribute, something
	131	where the ids can be fedids, strings, or <any> or <none>, attribute is
	132	the attribute to assign , and something is any set of charcters. The
	133	hash self.access is populated with mappings from those triples to the
	134	results of access_obj being called on the remainder of the line (if
	135	present). If access_obj is not given, the string itself is entered in
	136	the hash. Additionally, a triple with <any> and <none> mapped to None
	137	is entered in self.auth with the attribute given.
[f771e2f]	138
	139	Parsing errors result in a self.parse_error exception being raised.
	140	access_obj should throw that as well.
	141	"""
	142	lineno=0
	143	name_expr = "["+string.ascii_letters + string.digits + "\.\-_]+"
	144	fedid_expr = "fedid:[" + string.hexdigits + "]+"
	145	key_name = "(<ANY>\|<NONE>\|"+fedid_expr + "\|"+ name_expr + ")"
	146	access_re = re.compile('\('+key_name+'\s,\s'+key_name+'\s,\s'+
[2f6820c]	147	key_name+'\s\)\s->\s([^,]+)\s(.*)', re.IGNORECASE)
[f771e2f]	148
	149	def parse_name(n):
	150	if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):])
	151	else: return n
	152
	153	def auth_name(n):
	154	if isinstance(n, basestring):
	155	if n =='<any>' or n =='<none>': return None
	156	else: return unicode(n)
	157	else:
	158	return n
[2f6820c]	159	def strip_comma(s):
	160	s = s.strip()
	161	if s.startswith(','):
	162	s = s[1:].strip()
	163	return s
[f771e2f]	164
	165	if access_obj is None:
	166	access_obj = lambda(x): "%s" % x
	167
	168	f = open(config, "r");
	169	try:
	170	for line in f:
	171	lineno += 1
	172	line = line.strip();
	173	if len(line) == 0 or line.startswith('#'):
	174	continue
	175
	176	# Access line (t, p, u) -> anything
	177	m = access_re.match(line)
	178	if m != None:
	179	access_key = tuple([ parse_name(x) \
	180	for x in m.group(1,2,3)])
[2f6820c]	181	attribute = m.group(4)
[f771e2f]	182	auth_key = tuple([ auth_name(x) for x in access_key])
[2f6820c]	183	self.auth.set_attribute(auth_key, attribute)
	184	if len(m.group(5)) > 0:
	185	access_val = access_obj(strip_comma(m.group(5)))
	186	self.access[access_key] = access_val
[f771e2f]	187	continue
	188
	189	# Nothing matched to here: unknown line - raise exception
	190	f.close()
	191	raise self.parse_error(
	192	"Unknown statement at line %d of %s" % \
	193	(lineno, config))
	194	finally:
	195	if f: f.close()
	196
	197	def get_users(self, obj):
	198	"""
	199	Return a list of the IDs of the users in dict
	200	"""
	201	if obj.has_key('user'):
	202	return [ unpack_id(u['userID']) \
	203	for u in obj['user'] if u.has_key('userID') ]
	204	else:
	205	return None
	206
	207	def write_state(self):
	208	if self.state_filename:
	209	try:
	210	f = open(self.state_filename, 'w')
	211	pickle.dump(self.state, f)
[06cc65b]	212	self.log.debug("Wrote state to %s" % self.state_filename)
[f771e2f]	213	except EnvironmentError, e:
	214	self.log.error("Can't write file %s: %s" % \
	215	(self.state_filename, e))
	216	except pickle.PicklingError, e:
	217	self.log.error("Pickling problem: %s" % e)
	218	except TypeError, e:
	219	self.log.error("Pickling problem (TypeError): %s" % e)
	220
	221
	222	def read_state(self):
	223	"""
	224	Read a new copy of access state. Old state is overwritten.
	225
	226	State format is a simple pickling of the state dictionary.
	227	"""
	228	if self.state_filename:
	229	try:
	230	f = open(self.state_filename, "r")
	231	self.state = pickle.load(f)
[06cc65b]	232	self.log.debug("[read_state]: Read state from %s" % \
	233	self.state_filename)
[f771e2f]	234	except EnvironmentError, e:
	235	self.log.warning(("[read_state]: No saved state: " +\
	236	"Can't open %s: %s") % (self.state_filename, e))
	237	except EOFError, e:
	238	self.log.warning(("[read_state]: " +\
	239	"Empty or damaged state file: %s:") % \
	240	self.state_filename)
	241	except pickle.UnpicklingError, e:
	242	self.log.warning(("[read_state]: No saved state: " + \
	243	"Unpickling failed: %s") % e)
	244
	245
	246
	247	def permute_wildcards(self, a, p):
	248	"""Return a copy of a with various fields wildcarded.
	249
	250	The bits of p control the wildcards. A set bit is a wildcard
	251	replacement with the lowest bit being user then project then testbed.
	252	"""
	253	if p & 1: user = ["<any>"]
	254	else: user = a[2]
	255	if p & 2: proj = "<any>"
	256	else: proj = a[1]
	257	if p & 4: tb = "<any>"
	258	else: tb = a[0]
	259
	260	return (tb, proj, user)
	261
	262	def find_access(self, search):
	263	"""
	264	Search the access DB for a match on this tuple. Return the matching
	265	access tuple and the user that matched.
	266
	267	NB, if the initial tuple fails to match we start inserting wildcards in
	268	an order determined by self.project_priority. Try the list of users in
	269	order (when wildcarded, there's only one user in the list).
	270	"""
	271	if self.project_priority: perm = (0, 1, 2, 3, 4, 5, 6, 7)
	272	else: perm = (0, 2, 1, 3, 4, 6, 5, 7)
	273
	274	for p in perm:
	275	s = self.permute_wildcards(search, p)
	276	# s[2] is None on an anonymous, unwildcarded request
	277	if s[2] != None:
	278	for u in s[2]:
	279	if self.access.has_key((s[0], s[1], u)):
	280	return (self.access[(s[0], s[1], u)], u)
	281	else:
	282	if self.access.has_key(s):
	283	return (self.access[s], None)
	284	return None, None
	285
	286	def lookup_access_base(self, req, fid):
	287	"""
	288	Determine the allowed access for this request. Return the access and
	289	which fields are dynamic.
	290
	291	The fedid is needed to construct the request
	292	"""
	293	user_re = re.compile("user:\s(.*)")
	294	project_re = re.compile("project:\s(.*)")
	295
	296	# Search keys
	297	tb = fid
	298	user = [ user_re.findall(x)[0] for x in req.get('credential', []) \
	299	if user_re.match(x)]
	300	project = [ project_re.findall(x)[0] \
	301	for x in req.get('credential', []) \
	302	if project_re.match(x)]
	303
	304	if len(project) == 1: project = project[0]
	305	elif len(project) == 0: project = None
	306	else:
	307	raise service_error(service_error.req,
	308	"More than one project credential")
	309
	310	# Confirm authorization
	311	for u in user:
	312	self.log.debug("[lookup_access] Checking access for %s" % \
	313	((tb, project, u),))
	314	if self.auth.check_attribute((tb, project, u), 'access'):
	315	self.log.debug("[lookup_access] Access granted")
	316	break
	317	else:
	318	self.log.debug("[lookup_access] Access Denied")
	319	else:
	320	raise service_error(service_error.access, "Access denied")
	321
	322	# This maps a valid user to the Emulab projects and users to use
	323	found, user_match = self.find_access((tb, project, user))
	324
	325	return (found, (tb, project, user_match))
	326
	327
	328	def get_handler(self, path, fid):
	329	self.log.info("Get handler %s %s" % (path, fid))
	330	if self.auth.check_attribute(fid, path) and self.userconfdir:
	331	return ("%s/%s" % (self.userconfdir, path), "application/binary")
	332	else:
	333	return (None, None)
	334
	335	def export_userconf(self, project):
	336	dev_null = None
	337	confid, confcert = generate_fedid("test", dir=self.userconfdir,
	338	log=self.log)
	339	conffilename = "%s/%s" % (self.userconfdir, str(confid))
	340	cf = None
	341	try:
	342	cf = open(conffilename, "w")
	343	os.chmod(conffilename, stat.S_IRUSR \| stat.S_IWUSR)
	344	except EnvironmentError, e:
	345	raise service_error(service_error.internal,
	346	"Cannot create user configuration data")
	347
	348	try:
	349	dev_null = open("/dev/null", "a")
	350	except EnvironmentError, e:
	351	self.log.error("export_userconf: can't open /dev/null: %s" % e)
	352
	353	cmd = "%s %s" % (self.userconfcmd, project)
	354	conf = subprocess.call(cmd.split(" "),
	355	stdout=cf, stderr=dev_null, close_fds=True)
	356
	357	self.auth.set_attribute(confid, "/%s" % str(confid))
	358
	359	return confid, confcert
	360
	361	def export_SMB(self, id, state, project, user, attrs):
[623a2c9]	362	if project and user:
	363	return [{
	364	'id': id,
	365	'name': 'SMB',
	366	'visibility': 'export',
	367	'server': 'http://fs:139',
	368	'fedAttr': [
	369	{ 'attribute': 'SMBSHARE', 'value': 'USERS' },
	370	{ 'attribute': 'SMBUSER', 'value': user },
	371	{ 'attribute': 'SMBPROJ', 'value': project },
	372	]
	373	}]
	374	else:
	375	self.log.warn("Cannot export SMB w/o user and project")
	376	return [ ]
[f771e2f]	377
	378	def export_seer(self, id, state, project, user, attrs):
[623a2c9]	379	return [{
[f771e2f]	380	'id': id,
	381	'name': 'seer',
	382	'visibility': 'export',
	383	'server': 'http://control:16606',
[623a2c9]	384	}]
[f771e2f]	385
	386	def export_local_seer(self, id, state, project, user, attrs):
[623a2c9]	387	return [{
[f771e2f]	388	'id': id,
	389	'name': 'local_seer_control',
	390	'visibility': 'export',
	391	'server': 'http://control:16606',
[623a2c9]	392	}]
[f771e2f]	393
	394	def export_seer_master(self, id, state, project, user, attrs):
[623a2c9]	395	return [{
[f771e2f]	396	'id': id,
	397	'name': 'seer_master',
	398	'visibility': 'export',
	399	'server': 'http://seer-master:17707',
[623a2c9]	400	}]
[f771e2f]	401
	402	def export_tmcd(self, id, state, project, user, attrs):
[623a2c9]	403	return [{
[f771e2f]	404	'id': id,
	405	'name': 'seer',
	406	'visibility': 'export',
	407	'server': 'http://boss:7777',
[623a2c9]	408	}]
[f771e2f]	409
	410	def export_userconfig(self, id, state, project, user, attrs):
	411	if self.userconfdir and self.userconfcmd \
	412	and self.userconfurl:
	413	cid, cert = self.export_userconf(project)
	414	state['userconfig'] = unicode(cid)
[623a2c9]	415	return [{
[f771e2f]	416	'id': id,
	417	'name': 'userconfig',
	418	'visibility': 'export',
	419	'server': "%s/%s" % (self.userconfurl, str(cid)),
	420	'fedAttr': [
	421	{ 'attribute': 'cert', 'value': cert },
	422	]
[623a2c9]	423	}]
[f771e2f]	424	else:
[623a2c9]	425	return [ ]
[f771e2f]	426
	427	def export_hide_hosts(self, id, state, project, user, attrs):
[623a2c9]	428	return [{
[f771e2f]	429	'id': id,
	430	'name': 'hide_hosts',
	431	'visibility': 'export',
	432	'fedAttr': [ x for x in attrs \
	433	if x.get('attribute', "") == 'hosts'],
[623a2c9]	434	}]
[f771e2f]	435
[623a2c9]	436	def export_project_export(self, id, state, project, user, attrs):
	437	rv = [ ]
	438	rv.extend(self.export_SMB(id, state, project, user, attrs))
	439	rv.extend(self.export_userconfig(id, state, project, user, attrs))
	440	return rv
	441
	442	def export_services(self, sreq, project=None, user=None):
[f771e2f]	443	exp = [ ]
	444	state = { }
	445	for s in sreq:
	446	sname = s.get('name', '')
	447	svis = s.get('visibility', '')
	448	sattrs = s.get('fedAttr', [])
	449	if svis == 'export':
	450	if sname in self.exports:
	451	id = s.get('id', 'no_id')
[623a2c9]	452	exp.extend(self.exports[sname](id, state, project, user,
[f771e2f]	453	sattrs))
[623a2c9]	454
[f771e2f]	455	return (exp, state)
	456
	457	def build_access_response(self, alloc_id, ap, services):
	458	"""
	459	Create the SOAP response.
	460
	461	Build the dictionary description of the response and use
	462	fedd_utils.pack_soap to create the soap message. ap is the allocate
	463	project message returned from a remote project allocation (even if that
	464	allocation was done locally).
	465	"""
	466	# Because alloc_id is already a fedd_services_types.IDType_Holder,
	467	# there's no need to repack it
	468	msg = {
	469	'allocID': alloc_id,
	470	'fedAttr': [
	471	{ 'attribute': 'domain', 'value': self.domain } ,
	472	{ 'attribute': 'project', 'value':
	473	ap['project'].get('name', {}).get('localname', "???") },
	474	]
	475	}
	476
	477	if self.dragon_endpoint:
	478	msg['fedAttr'].append({'attribute': 'dragon',
	479	'value': self.dragon_endpoint})
	480	if self.deter_internal:
	481	msg['fedAttr'].append({'attribute': 'deter_internal',
	482	'value': self.deter_internal})
	483	#XXX: ??
	484	if self.dragon_vlans:
	485	msg['fedAttr'].append({'attribute': 'vlans',
	486	'value': self.dragon_vlans})
	487
	488	if services:
	489	msg['service'] = services
	490	return msg
	491
	492	def generate_portal_configs(self, topo, pubkey_base, secretkey_base,
[d6990a4]	493	tmpdir, lproj, leid, connInfo, services):
[f771e2f]	494
	495	def conninfo_to_dict(key, info):
	496	"""
	497	Make a cpoy of the connection information about key, and flatten it
	498	into a single dict by parsing out any feddAttrs.
	499	"""
	500
	501	rv = None
	502	for i in info:
	503	if key == i.get('portal', "") or \
	504	key in [e.get('element', "") \
	505	for e in i.get('member', [])]:
	506	rv = i.copy()
	507	break
	508
	509	else:
	510	return rv
	511
	512	if 'fedAttr' in rv:
	513	for a in rv['fedAttr']:
	514	attr = a.get('attribute', "")
	515	val = a.get('value', "")
	516	if attr and attr not in rv:
	517	rv[attr] = val
	518	del rv['fedAttr']
	519	return rv
	520
	521	# XXX: un hardcode this
	522	def client_null(f, s):
	523	print >>f, "Service: %s" % s['name']
	524
	525	def client_seer_master(f, s):
[703859f]	526	print >>f, 'PortalAlias: seer-master'
[f771e2f]	527
	528	def client_smb(f, s):
	529	print >>f, "Service: %s" % s['name']
	530	smbshare = None
	531	smbuser = None
	532	smbproj = None
	533	for a in s.get('fedAttr', []):
	534	if a.get('attribute', '') == 'SMBSHARE':
	535	smbshare = a.get('value', None)
	536	elif a.get('attribute', '') == 'SMBUSER':
	537	smbuser = a.get('value', None)
	538	elif a.get('attribute', '') == 'SMBPROJ':
	539	smbproj = a.get('value', None)
	540
	541	if all((smbshare, smbuser, smbproj)):
	542	print >>f, "SMBshare: %s" % smbshare
	543	print >>f, "ProjectUser: %s" % smbuser
	544	print >>f, "ProjectName: %s" % smbproj
	545
	546	def client_hide_hosts(f, s):
	547	for a in s.get('fedAttr', [ ]):
	548	if a.get('attribute', "") == 'hosts':
	549	print >>f, "Hide: %s" % a.get('value', "")
	550
	551	client_service_out = {
	552	'SMB': client_smb,
	553	'tmcd': client_null,
	554	'seer': client_null,
	555	'userconfig': client_null,
	556	'project_export': client_null,
	557	'seer_master': client_seer_master,
	558	'hide_hosts': client_hide_hosts,
	559	}
	560
	561	def client_seer_master_export(f, s):
	562	print >>f, "AddedNode: seer-master"
	563
	564	def client_seer_local_export(f, s):
	565	print >>f, "AddedNode: control"
	566
	567	client_export_service_out = {
	568	'seer_master': client_seer_master_export,
	569	'local_seer_control': client_seer_local_export,
	570	}
	571
	572	def server_port(f, s):
	573	p = urlparse(s.get('server', 'http://localhost'))
	574	print >>f, 'port: remote:%s:%s:%s' % (p.port, p.hostname, p.port)
	575
	576	def server_null(f,s): pass
	577
	578	def server_seer(f, s):
	579	print >>f, 'seer: True'
	580
	581	server_service_out = {
	582	'SMB': server_port,
	583	'tmcd': server_port,
	584	'userconfig': server_null,
	585	'project_export': server_null,
	586	'seer': server_seer,
	587	'seer_master': server_port,
	588	'hide_hosts': server_null,
	589	}
	590	# XXX: end un hardcode this
	591
	592
	593	seer_out = False
	594	client_out = False
	595	mproj = None
	596	mexp = None
	597	control_gw = None
	598	testbed = ""
	599	# Create configuration files for the portals
	600	for e in [ e for e in topo.elements \
	601	if isinstance(e, topdl.Computer) and e.get_attribute('portal')]:
	602	myname = e.name
	603	type = e.get_attribute('portal_type')
	604
	605	info = conninfo_to_dict(myname, connInfo)
	606
	607	if not info:
	608	raise service_error(service_error.req,
	609	"No connectivity info for %s" % myname)
	610
	611	peer = info.get('peer', "")
[703859f]	612	ldomain = self.domain
[f771e2f]	613	ssh_port = info.get('ssh_port', 22)
	614
	615	# Collect this for the client.conf file
	616	if 'masterexperiment' in info:
	617	mproj, meid = info['masterexperiment'].split("/", 1)
	618
	619	if type in ('control', 'both'):
	620	testbed = e.get_attribute('testbed')
	621	control_gw = myname
	622
	623	active = info.get('active', 'False')
	624
	625	cfn = "%s/%s.gw.conf" % (tmpdir, myname.lower())
	626	tunnelconfig = self.tunnel_config
	627	try:
	628	f = open(cfn, "w")
	629	if active == 'True':
	630	print >>f, "active: True"
	631	print >>f, "ssh_port: %s" % ssh_port
	632	if type in ('control', 'both'):
	633	for s in [s for s in services \
	634	if s.get('name', "") in self.imports]:
	635	server_service_out[s['name']](f, s)
	636
	637	if tunnelconfig:
	638	print >>f, "tunnelip: %s" % tunnelconfig
	639	print >>f, "peer: %s" % peer.lower()
	640	print >>f, "ssh_pubkey: /proj/%s/exp/%s/tmp/%s" % \
	641	(lproj, leid, pubkey_base)
	642	print >>f, "ssh_privkey: /proj/%s/exp/%s/tmp/%s" % \
	643	(lproj, leid, secretkey_base)
	644	f.close()
	645	except EnvironmentError, e:
	646	raise service_error(service_error.internal,
	647	"Can't write protal config %s: %s" % (cfn, e))
	648
	649	# Done with portals, write the client config file.
	650	try:
	651	f = open("%s/client.conf" % tmpdir, "w")
	652	if control_gw:
	653	print >>f, "ControlGateway: %s.%s.%s%s" % \
	654	(myname.lower(), leid.lower(), lproj.lower(),
	655	ldomain.lower())
	656	for s in services:
	657	if s.get('name',"") in self.imports and \
	658	s.get('visibility','') == 'import':
	659	client_service_out[s['name']](f, s)
	660	if s.get('name', '') in self.exports and \
	661	s.get('visibility', '') == 'export' and \
	662	s['name'] in client_export_service_out:
	663	client_export_service_out[s['name']](f, s)
	664	# Seer uses this.
	665	if mproj and meid:
	666	print >>f, "ExperimentID: %s/%s" % (mproj, meid)
	667	f.close()
	668	except EnvironmentError, e:
	669	raise service_error(service_error.internal,
	670	"Cannot write client.conf: %s" %s)
	671
[623a2c9]	672	def configure_userconf(self, services, tmpdir):
	673	"""
	674	If the userconf service was imported, collect the configuration data.
	675	"""
	676	for s in services:
	677	s_name = s.get('name', '')
	678	s_vis = s.get('visibility','')
	679	if s_name == 'userconfig' and s_vis == 'import':
	680	# Collect ther server and certificate info.
	681	u = s.get('server', None)
	682	for a in s.get('fedAttr', []):
	683	if a.get('attribute',"") == 'cert':
	684	cert = a.get('value', None)
	685	break
	686	else:
	687	cert = None
	688
	689	if cert:
	690	# Make a temporary certificate file for get_url. The
	691	# finally clause removes it whether something goes
	692	# wrong (including an exception from get_url) or not.
	693	try:
	694	tfos, tn = tempfile.mkstemp(suffix=".pem")
	695	tf = os.fdopen(tfos, 'w')
	696	print >>tf, cert
	697	tf.close()
	698	self.log.debug("Getting userconf info: %s" % u)
	699	get_url(u, tn, tmpdir, "userconf")
	700	self.log.debug("Got userconf info: %s" % u)
	701	except EnvironmentError, e:
	702	raise service_error(service.error.internal,
	703	"Cannot create temp file for " +
	704	"userconfig certificates: %s" % e)
	705	except:
	706	t, v, st = sys.exc_info()
	707	raise service_error(service_error.internal,
	708	"Error retrieving %s: %s" % (u, v))
	709	finally:
	710	if tn: os.remove(tn)
	711	else:
	712	raise service_error(service_error.req,
	713	"No certificate for retreiving userconfig")
	714	break
	715
[f771e2f]	716	def import_store_info(self, cf, connInfo):
	717	"""
	718	Pull any import parameters in connInfo in. We translate them either
	719	into known member names or fedAddrs.
	720	"""
	721
	722	for c in connInfo:
	723	for p in [ p for p in c.get('parameter', []) \
	724	if p.get('type', '') == 'input']:
	725	name = p.get('name', None)
	726	key = p.get('key', None)
	727	store = p.get('store', None)
	728
	729	if name and key and store :
	730	req = { 'name': key, 'wait': True }
	731	self.log.debug("Waiting for %s (%s) from %s" % \
	732	(name, key, store))
	733	r = self.call_GetValue(store, req, cf)
	734	r = r.get('GetValueResponseBody', None)
	735	if r :
	736	if r.get('name', '') == key:
	737	v = r.get('value', None)
	738	if v is not None:
	739	if name == 'peer':
	740	self.log.debug("Got peer %s" % v)
	741	c['peer'] = v
	742	else:
	743	self.log.debug("Got %s %s" % (name, v))
	744	if c.has_key('fedAttr'):
	745	c['fedAttr'].append({
	746	'attribute': name, 'value': v})
	747	else:
	748	c['fedAttr']= [{
	749	'attribute': name, 'value': v}]
	750	else:
	751	raise service_error(service_error.internal,
	752	'None value exported for %s' % key)
	753	else:
	754	raise service_error(service_error.internal,
	755	'Different name returned for %s: %s' \
	756	% (key, r.get('name','')))
	757	else:
	758	raise service_error(service_error.internal,
	759	'Badly formatted response: no GetValueResponseBody')
	760	else:
	761	raise service_error(service_error.internal,
	762	'Bad Services missing info for import %s' % c)
[623a2c9]	763
	764	def remove_dirs(self, dir):
	765	"""
	766	Remove the directory tree and all files rooted at dir. Log any errors,
	767	but continue.
	768	"""
	769	self.log.debug("[removedirs]: removing %s" % dir)
	770	try:
	771	for path, dirs, files in os.walk(dir, topdown=False):
	772	for f in files:
	773	os.remove(os.path.join(path, f))
	774	for d in dirs:
	775	os.rmdir(os.path.join(path, d))
	776	os.rmdir(dir)
	777	except EnvironmentError, e:
	778	self.log.error("Error deleting directory tree in %s" % e);

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