[2e46f35] | 1 | #!/usr/bin/env python |
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[6cc5c81] | 2 | |
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| 3 | import sys, os |
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| 4 | import re |
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[87807f42] | 5 | import subprocess |
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[d894c21] | 6 | import os.path |
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[6cc5c81] | 7 | |
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[87807f42] | 8 | from string import join |
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[d894c21] | 9 | from optparse import OptionParser, OptionValueError |
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| 10 | from tempfile import mkdtemp |
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| 11 | |
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[cd360a0] | 12 | import Creddy |
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| 13 | |
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[6bedbdba] | 14 | from deter import fedid |
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[d894c21] | 15 | from federation.authorizer import abac_authorizer |
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[62f3dd9] | 16 | from federation.util import abac_split_cert, abac_pem_type, file_expanding_opts |
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[6cc5c81] | 17 | |
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[87807f42] | 18 | |
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[6cc5c81] | 19 | class attribute: |
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[af25848] | 20 | ''' |
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[87807f42] | 21 | Encapculate a principal/attribute/link tuple. |
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[af25848] | 22 | ''' |
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[b931822] | 23 | bad_attr = re.compile('[^a-zA-Z0-9:_]+') |
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[87807f42] | 24 | def __init__(self, p, a, l=None): |
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[6cc5c81] | 25 | self.principal = p |
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[87807f42] | 26 | self.attr = attribute.bad_attr.sub('_', a) |
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| 27 | if l: self.link = attribute.bad_attr.sub('_', l) |
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| 28 | else: self.link = None |
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[6cc5c81] | 29 | |
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| 30 | def __str__(self): |
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[87807f42] | 31 | if self.link: |
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| 32 | return "%s.%s.%s" % (self.principal, self.attr, self.link) |
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| 33 | elif self.attr: |
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[af25848] | 34 | return "%s.%s" % (self.principal, self.attr) |
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| 35 | else: |
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| 36 | return "%s" % self.principal |
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[6cc5c81] | 37 | |
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| 38 | class credential: |
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[af25848] | 39 | ''' |
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| 40 | A Credential, that is the requisites (as attributes) and the assigned |
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| 41 | attribute (as principal, attr). If req is iterable, the requirements are |
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| 42 | an intersection/conjunction. |
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| 43 | ''' |
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[b931822] | 44 | bad_attr = re.compile('[^a-zA-Z0-9:_]+') |
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[6cc5c81] | 45 | def __init__(self, p, a, req): |
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| 46 | self.principal = p |
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| 47 | if isinstance(a, (tuple, list, set)) and len(a) == 1: |
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[87807f42] | 48 | self.attr = credential.bad_attr.sub('_', a[0]) |
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[6cc5c81] | 49 | else: |
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[87807f42] | 50 | self.attr = credential.bad_attr.sub('_', a) |
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[6cc5c81] | 51 | self.req = req |
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| 52 | |
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| 53 | def __str__(self): |
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| 54 | if isinstance(self.req, (tuple, list, set)): |
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| 55 | return "%s.%s <- %s" % (self.principal, self.attr, |
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[87807f42] | 56 | join(["%s" % r for r in self.req], ' & ')) |
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[6cc5c81] | 57 | else: |
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| 58 | return "%s.%s <- %s" % (self.principal, self.attr, self.req) |
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| 59 | |
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[353db8c] | 60 | # Mappinng generation function and the access parser throw these when there is |
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[af25848] | 61 | # a parsing problem. |
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[6cc5c81] | 62 | class parse_error(RuntimeError): pass |
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| 63 | |
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[87807f42] | 64 | # Error creating a credential |
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| 65 | class credential_error(RuntimeError): pass |
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| 66 | |
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[af25848] | 67 | # Functions to parse the individual access maps as well as an overall function |
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| 68 | # to parse generic ones. The specific ones create a credential to local |
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| 69 | # attributes mapping and the global one creates the access policy credentials. |
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| 70 | |
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| 71 | # All the local parsing functions get the unparsed remainder of the line |
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| 72 | # (after the three-name and the attribute it maps to), the credential list to |
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[f77a256] | 73 | # add the new ABAC credential(s) that will be mapped into the local |
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[af25848] | 74 | # credentials, the fedid of this entity, a dict mapping the local credentials |
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| 75 | # to ABAC credentials that are required to exercise those local rights and the |
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| 76 | # three-name (p, gp, gu) that is being mapped. |
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[87807f42] | 77 | def parse_emulab(l, creds, me, to_id, p, gp, gu, lr): |
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[af25848] | 78 | ''' |
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[f77a256] | 79 | Parse the emulab (project, allocation_user, cert_file) format. |
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[af25848] | 80 | ''' |
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[f77a256] | 81 | right_side_str = '\s*,\s*\(\s*%s\s*,\s*%s\s*,\s*(%s)\s*\)' % \ |
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| 82 | (proj_same_str, id_same_str,path_str) |
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[6cc5c81] | 83 | |
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| 84 | m = re.match(right_side_str, l) |
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| 85 | if m: |
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[f77a256] | 86 | project, user, cert = m.group(1,2,3) |
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[af25848] | 87 | # Resolve "<same>"s in project and user |
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[6cc5c81] | 88 | if project == '<same>': |
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| 89 | if gp is not None: |
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| 90 | project = gp |
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| 91 | else: |
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| 92 | raise parse_error("Project cannot be decisively mapped: %s" % l) |
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| 93 | if user == '<same>': |
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| 94 | if gu is not None: |
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[c324ad3] | 95 | user = gu |
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[6cc5c81] | 96 | else: |
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| 97 | raise parse_error("User cannot be decisively mapped: %s" % l) |
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[af25848] | 98 | |
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| 99 | # Create a semi-mnemonic name for the destination credential (the one |
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| 100 | # that will be mapped to the local attributes |
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[c324ad3] | 101 | if gp and gu: |
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| 102 | a = 'project_%s_user_%s' % (gp, gu) |
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| 103 | elif gp: |
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| 104 | a = 'project_%s' % gp |
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| 105 | elif gu: |
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| 106 | a = 'user_%s' % gu |
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[6cc5c81] | 107 | else: |
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| 108 | raise parse_error("No mapping for %s/%s!?" % (gp, gu)) |
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| 109 | |
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[af25848] | 110 | # Store the creds and map entries |
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[6cc5c81] | 111 | c = credential(me, a, |
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[87807f42] | 112 | [attribute(p, x, lr) for x in (gp, gu) if x is not None]) |
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[6cc5c81] | 113 | creds.add(c) |
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[f77a256] | 114 | if (project, user,cert) in to_id: to_id[(project,user,cert)].append(c) |
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| 115 | else: to_id[(project,user,cert)] = [ c ] |
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[6cc5c81] | 116 | else: |
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| 117 | raise parse_error("Badly formatted local mapping: %s" % l) |
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| 118 | |
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| 119 | |
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[87807f42] | 120 | def parse_protogeni(l, creds, me, to_id, p, gp, gu, lr): |
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[af25848] | 121 | ''' |
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| 122 | Parse the protoGENI (cert, user, user_key, cert_pw) format. |
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| 123 | ''' |
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[5a721ed] | 124 | right_side_str = '\s*,\s*\(\s*(%s)\s*,\s*(%s)\s*,\s*(%s)\s*,\s*(%s)\s*\)' \ |
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| 125 | % (path_str, id_str, path_str, id_str) |
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| 126 | |
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| 127 | m = re.match(right_side_str, l) |
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| 128 | if m: |
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| 129 | cert, user, key, pw = m.group(1,2,3,4) |
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[af25848] | 130 | # The credential is formed from just the path (with / mapped to _) and |
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| 131 | # the username. |
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[5a721ed] | 132 | acert = re.sub('/', '_', cert) |
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| 133 | |
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| 134 | a = "cert_%s_user_%s" % (acert, user) |
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[af25848] | 135 | |
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| 136 | # Store em |
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[5a721ed] | 137 | c = credential(me, a, |
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[87807f42] | 138 | [attribute(p, x, lr) for x in (gp, gu) if x is not None]) |
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[5a721ed] | 139 | creds.add(c) |
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| 140 | if (cert, user, key, pw) in to_id: |
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| 141 | to_id[(cert, user, key, pw)].append(c) |
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| 142 | else: |
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| 143 | to_id[(cert, user, key, pw)] = [ c ] |
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| 144 | else: |
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| 145 | raise parse_error("Badly formatted local mapping: %s" % l) |
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| 146 | |
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[87807f42] | 147 | def parse_dragon(l, creds, me, to_id, p, gp, gu, lr): |
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[af25848] | 148 | ''' |
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| 149 | Parse the dragon (repository_name) version. |
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| 150 | ''' |
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[6cc5c81] | 151 | right_side_str = '\s*,\s*\(\s*(%s)\s*\)' % \ |
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| 152 | (id_str) |
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| 153 | |
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| 154 | m = re.match(right_side_str, l) |
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| 155 | if m: |
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| 156 | repo= m.group(1) |
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| 157 | c = credential(me, 'repo_%s' % repo, |
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[87807f42] | 158 | [attribute(p, x, lr) for x in (gp, gu) if x is not None]) |
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[6cc5c81] | 159 | creds.add(c) |
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| 160 | if repo in to_id: to_id[repo].append(c) |
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| 161 | else: to_id[repo] = [ c ] |
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| 162 | else: |
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| 163 | raise parse_error("Badly formatted local mapping: %s" % l) |
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[9cce15a] | 164 | |
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[87807f42] | 165 | def parse_skel(l, creds, me, to_id, p, gp, gu, lr): |
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[af25848] | 166 | ''' |
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| 167 | Parse the skeleton (local_attr) version. |
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| 168 | ''' |
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| 169 | right_side_str = '\s*,\s*\(\s*(%s)\s*\)' % \ |
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| 170 | (id_str) |
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| 171 | |
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| 172 | m = re.match(right_side_str, l) |
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| 173 | if m: |
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| 174 | lattr = m.group(1) |
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| 175 | c = credential(me, 'lattr_%s' % lattr, |
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[87807f42] | 176 | [attribute(p, x, lr) for x in (gp, gu) if x is not None]) |
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[af25848] | 177 | creds.add(c) |
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| 178 | if lattr in to_id: to_id[lattr].append(c) |
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| 179 | else: to_id[lattr] = [ c ] |
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| 180 | else: |
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| 181 | raise parse_error("Badly formatted local mapping: %s" % l) |
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[9cce15a] | 182 | |
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[af25848] | 183 | # internal plug-ins have no local attributes. |
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[87807f42] | 184 | def parse_internal(l, creds, me, to_id, p, gp, gu, lr): pass |
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[6cc5c81] | 185 | |
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| 186 | |
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[3fa4328] | 187 | def parse_access(fn, mapper, delegation_link): |
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[d894c21] | 188 | """ |
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| 189 | Parse the access file, calling out to the mapper to parse specific |
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| 190 | credential types. Mappers are above this code. |
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| 191 | """ |
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| 192 | creds = set() |
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| 193 | to_id = { } |
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| 194 | f = open(fn, "r") |
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| 195 | for i, l in enumerate(f): |
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| 196 | try: |
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| 197 | if comment_re.match(l): |
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| 198 | continue |
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| 199 | else: |
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| 200 | m = line_re.match(l) |
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| 201 | if m: |
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| 202 | p, da = m.group(1, 4) |
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| 203 | gp, gu = m.group(2, 3) |
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| 204 | if gp == '<any>': gp = None |
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| 205 | if gu == '<any>': gu = None |
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| 206 | |
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| 207 | creds.add(credential(me, da, |
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| 208 | [attribute(p, x, delegation_link) \ |
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| 209 | for x in (gp, gu) \ |
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| 210 | if x is not None])) |
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| 211 | if m.group(5) and mapper: |
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| 212 | mapper(m.group(5), creds, me, to_id, p, gp, gu, |
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| 213 | delegation_link) |
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| 214 | else: |
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| 215 | raise parse_error('Syntax error') |
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| 216 | except parse_error, e: |
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| 217 | f.close() |
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| 218 | raise parse_error('Error on line %d of %s: %s' % \ |
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[b931822] | 219 | (i, fn, e)) |
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[d894c21] | 220 | f.close() |
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| 221 | |
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| 222 | return creds, to_id |
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| 223 | |
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| 224 | |
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| 225 | |
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[62f3dd9] | 226 | class access_opts(file_expanding_opts): |
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[af25848] | 227 | ''' |
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| 228 | Parse the options for this program. Most are straightforward, but the |
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| 229 | mapper uses a callback to convert from a string to a local mapper function. |
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| 230 | ''' |
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| 231 | # Valid mappers |
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[9cce15a] | 232 | mappers = { |
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| 233 | 'emulab': parse_emulab, |
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| 234 | 'dragon': parse_dragon, |
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| 235 | 'internal': parse_internal, |
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| 236 | 'skel': parse_skel, |
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[5a721ed] | 237 | 'protogeni': parse_protogeni, |
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[9cce15a] | 238 | } |
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[6cc5c81] | 239 | |
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| 240 | @staticmethod |
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| 241 | def parse_mapper(opt, s, val, parser, dest): |
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| 242 | if val in access_opts.mappers: |
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| 243 | setattr(parser.values, dest, access_opts.mappers[val]) |
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| 244 | else: |
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| 245 | raise OptionValueError('%s must be one of %s' % \ |
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[87807f42] | 246 | (s, join(access_opts.mappers.keys(), ', '))) |
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[6cc5c81] | 247 | |
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| 248 | def __init__(self): |
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[62f3dd9] | 249 | file_expanding_opts.__init__(self, usage='%prog [opts] file [...]') |
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[6cc5c81] | 250 | self.add_option('--cert', dest='cert', default=None, |
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[62f3dd9] | 251 | type='str', action='callback', callback=self.expand_file, |
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[6cc5c81] | 252 | help='my fedid as an X.509 certificate') |
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| 253 | self.add_option('--key', dest='key', default=None, |
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[62f3dd9] | 254 | type='str', action='callback', callback=self.expand_file, |
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[6cc5c81] | 255 | help='key for the certificate') |
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[5a721ed] | 256 | self.add_option('--dir', dest='dir', default=None, |
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[62f3dd9] | 257 | type='str', action='callback', callback=self.expand_file, |
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[5a721ed] | 258 | help='Output directory for credentials') |
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[6cc5c81] | 259 | self.add_option('--type', action='callback', nargs=1, type='str', |
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| 260 | callback=access_opts.parse_mapper, |
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| 261 | callback_kwargs = { 'dest': 'mapper'}, |
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| 262 | help='Type of access file to parse. One of %s. ' %\ |
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[87807f42] | 263 | join(access_opts.mappers.keys(), ', ') + \ |
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[6cc5c81] | 264 | 'Omit for generic parsing.') |
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[5a721ed] | 265 | self.add_option('--quiet', dest='quiet', action='store_true', |
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| 266 | default=False, |
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| 267 | help='Do not print credential to local attribute map') |
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[3fa4328] | 268 | self.add_option('--no_create_creds', action='store_false', |
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| 269 | dest='create_creds', default=True, |
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| 270 | help='Do not create credentials for rules.') |
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[87807f42] | 271 | self.add_option('--file', dest='file', default=None, |
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[62f3dd9] | 272 | type='str', action='callback', callback=self.expand_file, |
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[87807f42] | 273 | help='Access DB to parse. If this is present, ' + \ |
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| 274 | 'omit the positional filename') |
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| 275 | self.add_option('--mapfile', dest='map', default=None, |
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[62f3dd9] | 276 | type='str', action='callback', callback=self.expand_file, |
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[87807f42] | 277 | help='File for the attribute to local authorization data') |
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[bfbaa85] | 278 | self.add_option('--update', action='store_const', const=True, |
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| 279 | dest='update_authorizer', default=False, |
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| 280 | help='Add the generated policy to an existing authorizer') |
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[87807f42] | 281 | self.add_option('--no-delegate', action='store_false', dest='delegate', |
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| 282 | default=True, |
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| 283 | help='do not accept delegated attributes with the ' +\ |
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| 284 | 'acting_for linking role') |
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[5529264] | 285 | self.add_option('--fed-root', dest='root', |
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| 286 | help='add a rule to accept federated users from facilities ' +\ |
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| 287 | 'recognized by ROOT. This is a certificate file') |
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| 288 | self.add_option('--fed-tuple', dest='ftuple', |
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| 289 | help='a tuple into which to map federated ' + \ |
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| 290 | 'users about which we know nothing else.') |
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[3fa4328] | 291 | self.add_option('--no_auth', action='store_false', dest='create_auth', |
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| 292 | default=True, help='do not create a full ABAC authorizer') |
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[87807f42] | 293 | self.add_option('--debug', action='store_true', dest='debug', |
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| 294 | default=False, help='Just print actions') |
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[6cc5c81] | 295 | self.set_defaults(mapper=None) |
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| 296 | |
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[bfbaa85] | 297 | def create_creds(creds, cert, key, dir, debug=False): |
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[af25848] | 298 | ''' |
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[cd360a0] | 299 | Make the the attributes from the list of credential |
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[af25848] | 300 | objects in the creds parameter. |
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| 301 | ''' |
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[bfbaa85] | 302 | cfiles = [] |
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[5a721ed] | 303 | for i, c in enumerate(creds): |
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[cd360a0] | 304 | cid = Creddy.ID(cert) |
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| 305 | cid.load_privkey(key) |
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| 306 | cattr = Creddy.Attribute(cid, c.attr, 3600 * 24 * 365 * 10) |
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[5a721ed] | 307 | for r in c.req: |
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[cd360a0] | 308 | if r.principal and r.link and r.attr: |
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| 309 | cattr.linking_role(r.principal, r.attr, r.link) |
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| 310 | elif r.principal and r.attr: |
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| 311 | cattr.role(r.principal, r.attr) |
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| 312 | elif r.principal: |
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| 313 | cattr.principal(r.principal) |
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| 314 | else: |
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| 315 | raise parse_error('Attribute without a principal?') |
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| 316 | cattr.bake() |
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[bfbaa85] | 317 | fn = '%s/cred%d_attr.der' % (dir, i) |
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| 318 | cattr.write_name(fn) |
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| 319 | cfiles.append(fn) |
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| 320 | return cfiles |
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| 321 | |
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[6cc5c81] | 322 | |
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[d894c21] | 323 | def clear_dir(dir): |
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| 324 | for path, dirs, files in os.walk(dir, topdown=False): |
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| 325 | for f in files: os.unlink(os.path.join(path, f)) |
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| 326 | for d in dirs: os.rmdir(os.path.join(path, d)) |
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| 327 | |
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[af25848] | 328 | # Regular expressions and parts thereof for parsing |
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[6cc5c81] | 329 | comment_re = re.compile('^\s*#|^$') |
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| 330 | fedid_str = 'fedid:([0-9a-fA-F]{40})' |
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[9cce15a] | 331 | id_str = '[a-zA-Z][\w_-]*' |
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[b931822] | 332 | proj_str = '[a-zA-Z][\w_:/-]*' |
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[f77a256] | 333 | path_str = '[a-zA-Z0-9_/\.-]+' |
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[6cc5c81] | 334 | id_any_str = '(%s|<any>)' % id_str |
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[f3898f7] | 335 | proj_any_str = '(%s|<any>)' % proj_str |
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[6cc5c81] | 336 | id_same_str = '(%s|<same>)' % id_str |
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[f3898f7] | 337 | proj_same_str = '(%s|<same>)' % proj_str |
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[6cc5c81] | 338 | left_side_str = '\(\s*%s\s*,\s*%s\s*,\s*%s\s*\)' % \ |
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[f3898f7] | 339 | (fedid_str, proj_any_str, id_any_str) |
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[6cc5c81] | 340 | right_side_str = '(%s)(\s*,\s*\(.*\))?' % (id_str) |
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| 341 | line_re = re.compile('%s\s*->\s*%s' % (left_side_str, right_side_str)) |
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| 342 | |
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| 343 | p = access_opts() |
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| 344 | opts, args = p.parse_args() |
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| 345 | |
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[de7cb08] | 346 | cert, key = None, None |
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| 347 | delete_certs = False |
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[d894c21] | 348 | delete_creds = False |
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[de7cb08] | 349 | |
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[87807f42] | 350 | if opts.file: |
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| 351 | args.append(opts.file) |
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| 352 | |
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[af25848] | 353 | # Validate arguments |
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[6cc5c81] | 354 | if len(args) < 1: |
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| 355 | sys.exit('No filenames given to parse') |
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| 356 | |
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[de7cb08] | 357 | if opts.key: |
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| 358 | if not os.access(opts.key, os.R_OK): |
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| 359 | key = opts.key |
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| 360 | else: |
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| 361 | sys.exit('Cannot read key (%s)' % opts.key) |
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[5a721ed] | 362 | |
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| 363 | if opts.dir: |
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[c324ad3] | 364 | if not os.access(opts.dir, os.F_OK): |
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| 365 | try: |
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| 366 | os.mkdir(opts.dir, 0700) |
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| 367 | except EnvironmentError, e: |
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| 368 | sys.exit("Cannot create %s: %s" % (e.filename, e.strerror)) |
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[5a721ed] | 369 | if not os.path.isdir(opts.dir): |
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| 370 | sys.exit('%s is not a directory' % opts.dir) |
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| 371 | elif not os.access(opts.dir, os.W_OK): |
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| 372 | sys.exit('%s is not writable' % opts.dir) |
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| 373 | |
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[d894c21] | 374 | if opts.create_auth: |
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| 375 | creds_dir = mkdtemp() |
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| 376 | delete_creds = True |
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| 377 | auth_dir = opts.dir |
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[4909fcf] | 378 | if not os.path.isabs(auth_dir): |
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| 379 | sys.exit('Authorizer path must be absolute') |
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[d894c21] | 380 | else: |
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| 381 | creds_dir = opts.dir |
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| 382 | auth_dir = None |
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| 383 | |
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[87807f42] | 384 | if opts.delegate: delegation_link = 'acting_for' |
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| 385 | else: delegation_link = None |
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| 386 | |
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[a0e20ac] | 387 | if not opts.mapper and (opts.map or opts.debug): |
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| 388 | print >>sys.stderr, "No --type specified, mapping file will be empty." |
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[6cc5c81] | 389 | |
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[de7cb08] | 390 | if opts.cert: |
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[6cc5c81] | 391 | try: |
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[de7cb08] | 392 | me = fedid(file=opts.cert) |
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[6cc5c81] | 393 | except EnvironmentError, e: |
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[de7cb08] | 394 | sys.exit('Bad --cert: %s (%s)' % (e.strerror, e.filename or '?!')) |
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[6cc5c81] | 395 | |
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[de7cb08] | 396 | if not opts.key: |
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| 397 | if abac_pem_type(opts.cert) == 'both': |
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| 398 | key, cert = abac_split_cert(opts.cert) |
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| 399 | delete_certs = True |
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| 400 | else: |
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| 401 | cert = opts.cert |
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| 402 | else: |
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| 403 | print >>sys.stderr, 'No --cert, using dummy fedid' |
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| 404 | me = fedid(hexstr='0123456789012345678901234567890123456789') |
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| 405 | cert = None |
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| 406 | |
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[5529264] | 407 | fed_to_id = { } |
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| 408 | if any((opts.root, opts.ftuple)) and not all ((opts.root, opts.ftuple)): |
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| 409 | sys.exit('Either both or neither of --fed-root and ' + \ |
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| 410 | '--fed-project must be specified') |
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| 411 | elif opts.root: |
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| 412 | try: |
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| 413 | root_fedid = fedid(file=opts.root) |
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| 414 | except EnvironmentError, e: |
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| 415 | sys.exit('Bad --root: %s (%s)' % (e.strerror, e.filename or '?!')) |
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| 416 | |
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| 417 | fed_tuple = tuple(opts.ftuple.split(',')) |
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| 418 | fed_someuser_cred = \ |
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| 419 | credential(me, 'some_feduser', |
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| 420 | [attribute(root_fedid.get_hexstr(), |
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| 421 | 'fedfacility', 'feduser')]) |
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| 422 | fed_user_cred = \ |
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| 423 | credential(me, 'default_feduser', |
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| 424 | [attribute(me.get_hexstr(), |
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| 425 | 'some_feduser', 'acting_for')]) |
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| 426 | fed_access_cred = \ |
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| 427 | credential(me, 'access', |
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| 428 | [attribute(me.get_hexstr(), 'default_feduser')]) |
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| 429 | |
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| 430 | fed_to_id[fed_tuple] = [fed_user_cred] |
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| 431 | |
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| 432 | else: |
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| 433 | # No fed-root or fed-tuple |
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| 434 | fed_access_cred = None |
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| 435 | fed_user_cred = None |
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| 436 | fed_someuser_cred = None |
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[bfbaa85] | 437 | |
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| 438 | credfiles = [] |
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[5529264] | 439 | |
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[de7cb08] | 440 | # The try block makes sure that credentials split into tmp files are deleted |
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| 441 | try: |
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| 442 | # Do the parsing |
---|
| 443 | for fn in args: |
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[87807f42] | 444 | try: |
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[3fa4328] | 445 | creds, to_id = parse_access(fn, opts.mapper, delegation_link) |
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[de7cb08] | 446 | except parse_error, e: |
---|
| 447 | print >> sys.stderr, "%s" % e |
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| 448 | continue |
---|
[87807f42] | 449 | except EnvironmentError, e: |
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[de7cb08] | 450 | print >>sys.stderr, "File error %s: %s" % \ |
---|
| 451 | (e.filename or '!?', e.strerror) |
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| 452 | continue |
---|
| 453 | |
---|
| 454 | # Credential output |
---|
| 455 | if opts.create_creds: |
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[5529264] | 456 | if fed_access_cred and fed_user_cred and fed_someuser_cred: |
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| 457 | creds.add(fed_access_cred) |
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| 458 | creds.add(fed_user_cred) |
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| 459 | creds.add(fed_someuser_cred) |
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[de7cb08] | 460 | if all([cert, key, opts.dir]): |
---|
| 461 | try: |
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[bfbaa85] | 462 | credfiles = create_creds( |
---|
| 463 | [c for c in creds if c.principal == me], |
---|
[d894c21] | 464 | cert, key, creds_dir, opts.debug) |
---|
[de7cb08] | 465 | except credential_error, e: |
---|
| 466 | sys.exit('Credential creation failed: %s' % e) |
---|
| 467 | else: |
---|
[d894c21] | 468 | print >>sys.stderr, 'Cannot create credentials. ' + \ |
---|
| 469 | 'Missing parameter' |
---|
[de7cb08] | 470 | |
---|
| 471 | # Local map output |
---|
| 472 | if opts.map or opts.debug: |
---|
| 473 | try: |
---|
| 474 | if opts.map and opts.map != '-' and not opts.debug: |
---|
| 475 | f = open(opts.map, 'w') |
---|
| 476 | else: |
---|
| 477 | f = sys.stdout |
---|
[5529264] | 478 | for k, c in to_id.items() + fed_to_id.items(): |
---|
[5d7f1e8] | 479 | # Keys are either a single string or a tuple of them; join |
---|
| 480 | # the tuples into a comma-separated string. |
---|
| 481 | if isinstance(k, basestring): rhs = k |
---|
| 482 | else: rhs = join(k, ', ') |
---|
| 483 | |
---|
[de7cb08] | 484 | for a in set(["%s.%s" % (x.principal, x.attr) for x in c]): |
---|
[5d7f1e8] | 485 | print >>f, "%s -> (%s)" % (a, rhs) |
---|
[de7cb08] | 486 | except EnvironmentError, e: |
---|
[d894c21] | 487 | sys.exit("Cannot open %s: %s" % (e.filename or '!?', |
---|
| 488 | e.strerror)) |
---|
| 489 | |
---|
| 490 | # Create an authorizer if requested. |
---|
| 491 | if opts.create_auth: |
---|
| 492 | try: |
---|
| 493 | # Pass in the options rather than the potentially split key |
---|
| 494 | # because abac_authorizer will split it and store it |
---|
| 495 | # internally. The opts.cert may get split twice, but we won't |
---|
| 496 | # lose one. |
---|
[bfbaa85] | 497 | if opts.update_authorizer: |
---|
| 498 | operation = 'updat' |
---|
| 499 | a = abac_authorizer(load=auth_dir) |
---|
| 500 | a.import_credentials(file_list=credfiles) |
---|
| 501 | a.save() |
---|
| 502 | else: |
---|
| 503 | clear_dir(auth_dir) |
---|
| 504 | operation = 'creat' |
---|
| 505 | a = abac_authorizer(key=opts.key, me=opts.cert, |
---|
| 506 | certs=creds_dir, save=auth_dir) |
---|
| 507 | a.save(auth_dir) |
---|
[d894c21] | 508 | except EnvironmentError, e: |
---|
[5d7f1e8] | 509 | sys.exit("Can't create or write %s: %s" % \ |
---|
| 510 | (e.filename, e.strerror)) |
---|
[d894c21] | 511 | except abac_authorizer.bad_cert_error, e: |
---|
[bfbaa85] | 512 | sys.exit("Error %sing authorizer: %s" % (operation, e)) |
---|
[d894c21] | 513 | |
---|
[de7cb08] | 514 | finally: |
---|
[d894c21] | 515 | try: |
---|
| 516 | if delete_certs: |
---|
| 517 | if cert: os.unlink(cert) |
---|
| 518 | if key: os.unlink(key) |
---|
| 519 | if delete_creds and creds_dir: |
---|
| 520 | clear_dir(creds_dir) |
---|
| 521 | os.rmdir(creds_dir) |
---|
| 522 | except EnvironmentError, e: |
---|
| 523 | sys.exit("Can't remove %s: %s" % ( e.filename, e.strerror)) |
---|