4 # SFA Certificate Signing and management
9 from optparse import OptionParser
10 from sfa.trust.certificate import Keypair, Certificate
11 from sfa.trust.gid import GID, create_uuid
12 from sfa.trust.hierarchy import Hierarchy
13 from sfa.util.config import Config
14 from collections import defaultdict
19 parser = OptionParser(usage="%(script_name)s [options]" % locals())
20 parser.add_option("-d", "--display", dest="display", default=None,
21 help="print contents of specified gid")
22 parser.add_option("-s", "--sign", dest="sign", default=None,
24 parser.add_option("-k", "--key", dest="key", default=None,
25 help="keyfile to use for signing")
26 parser.add_option("-a", "--authority", dest="authority", default=None,
27 help="sign the gid using the specified authority ")
28 parser.add_option("-i", "--import", dest="importgid", default=None,
29 help="gid file to import into the registry")
30 parser.add_option("-e", "--export", dest="export",
31 help="name of gid to export from registry")
32 parser.add_option("-o", "--outfile", dest="outfile",
33 help="where to write the exprted gid")
34 parser.add_option("-v", "--verbose", dest="verobse",
37 (options, args) = parser.parse_args()
44 elif options.importgid:
55 Display the sepcified GID
57 gidfile = os.path.abspath(options.display)
58 if not gidfile or not os.path.isfile(gidfile):
59 print "No such gid: %s" % gidfile
61 gid = GID(filename=gidfile)
62 gid.dump(dump_parents=True)
64 def sign_gid(gid, parent_key, parent_gid):
65 gid.set_issuer(parent_key, parent_gid.get_hrn())
66 gid.set_parent(parent_gid)
68 gid.save_to_file(outfile, save_parents=True)
73 Sign the specified gid
75 hierarchy = Hierarchy()
77 default_authority = config.SFA_INTERFACE_HRN
78 auth_info = hierarchy.get_auth_info(parent_hrn)
81 gidfile = os.path.abspath(options.sign)
82 if not os.path.isfile(gidfile):
83 print "no such gid: %s" % gidfile
85 gid = GID(filename=gidfile)
87 # load the parent private info
88 authority = options.authority
89 # if no pkey was specified, then use the this authority's key
91 authority = default_authority
93 if not hierarchy.auth_exists(authority):
94 print "no such authority: %s" % authority
96 # load the parent gid and key
97 auth_info = hierarchy.get_auth_info(authority)
98 pkeyfile = auth_info.privkey_filename
99 parent_key = Keypair(filename=pkeyfile)
100 parent_gid = auth_info.gid_object
103 outfile = options.outfile
105 outfile = os.path.abspath('./signed-%s.gid' % gid.get_hrn())
107 # check if gid already has a parent
110 sign_gid(gid, parent_key, parent_gid)
113 def export_gid(options):
114 from sfa.util.table import SfaTable
115 # lookup the record for the specified hrn
118 # check sfa table first
120 records = table.find({'hrn': hrn, type: 'authority'})
122 # check the authorities hierarchy
123 hierarchy = Hierarchy()
125 auth_info = hierarchy.get_auth_info()
126 gid = auth_info.gid_object
128 print "Record: %s not found" % hrn
132 gid = GID(string=record['gid'])
135 outfile = options.outfile
137 outfile = os.path.abspath('./%s.gid' % gid.get_hrn())
140 gid.save_to_file(outfile, save_parents=True)
142 def import_gid(options):
144 Import the specified gid into the registry (db and authorities
145 hierarchy) overwriting any previous gid.
147 from sfa.util.table import SfaTable
148 from sfa.util.record import SfaRecord
150 gidfile = os.path.abspath(options.importgid)
151 if not gidfile or not os.path.isfile(gidfile):
152 print "No such gid: %s" % gidfile
154 gid = GID(filename=gidfile)
156 # check if it exists within the hierarchy
157 hierarchy = Hierarchy()
158 if not hierarchy.auth_exists(gid.get_hrn()):
159 print "%s not found in hierarchy" % gid.get_hrn()
162 # check if record exists in db
164 records = table.find({'hrn': gid.get_hrn(), 'type': 'authority'})
166 print "%s not found in record database" % get.get_hrn()
169 # update the database record
171 record['gid'] = gid.save_to_string(save_parents=True)
174 # update the hierarchy
175 auth_info = hierarchy.get_auth_info(gid.get_hrn())
176 filename = auth_info.gid_filename
177 gid.save_to_file(filename, save_parents=True)
179 # re-sign all existing gids signed by this authority
180 # create a dictionary of records keyed on the record's authority
181 record_dict = defaultdict(list)
182 # only get regords that belong to this authority
183 # or any of its sub authorities
184 all_records = table.find({'hrn': '%s*' % gid.get_hrn()})
185 for record in records:
186 record_dict[record['authority']].append(record)
188 # start with the authority we just imported
189 authorities = [gid.get_hrn()]
191 next_authorities = []
192 for authority in authorities:
193 # create a new signed gid for each record at this authority
194 # and update the registry
195 auth_info = hierarchy.get_auth_info(authority)
196 records = record_dict[authority]
197 for record in records:
198 record_gid = GID(string=record['gid'])
199 parent_pkey = Keypair(filename=auth_info.privkey_filename)
200 parent_gid = GID(filename=auth_info.gid_filename)
201 signed_gid = sign_gid(record_gid, parent_pkey, parent_gid)
202 record['gid'] = signed_gid.save_to_string(save_parents=True)
205 # if this is an authority then update the hierarchy
206 if record['type'] == 'authority':
207 record_info = hierarchy.get_auth_info(record['hrn'])
208 signed_gid.save_to_file(filename=record_info.gid_filename, save_parents=True)
210 # update list of next authorities
211 tmp_authorities = set([record['hrn'] for record in records \
212 if record['type'] == 'authority'])
213 next_authorities.extend(tmp_authorities)
215 # move on to next set of authorities
216 authorities = next_authorities
218 if __name__ == '__main__':