Software /
code /
prosody
Annotate
util/x509.lua @ 13051:164c2787901a
util.human.io: Coerce $COLUMNS to number
os.getenv() returns a string but term_width() should return a number
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 07 Apr 2023 13:54:16 +0200 |
parent | 12975:d10957394a3c |
rev | line source |
---|---|
3651 | 1 -- Prosody IM |
2 -- Copyright (C) 2010 Matthew Wild | |
3 -- Copyright (C) 2010 Paul Aurich | |
4 -- | |
5 -- This project is MIT/X11 licensed. Please see the | |
6 -- COPYING file in the source package for more information. | |
7 -- | |
8 | |
9 -- TODO: I feel a fair amount of this logic should be integrated into Luasec, | |
10 -- so that everyone isn't re-inventing the wheel. Dependencies on | |
11 -- IDN libraries complicate that. | |
12 | |
13 | |
12604
bd9e006a7a74
various: Update IETF RFC URLs for tools.ietf.org transition
Kim Alvefur <zash@zash.se>
parents:
12106
diff
changeset
|
14 -- [TLS-CERTS] - https://www.rfc-editor.org/rfc/rfc6125.html |
bd9e006a7a74
various: Update IETF RFC URLs for tools.ietf.org transition
Kim Alvefur <zash@zash.se>
parents:
12106
diff
changeset
|
15 -- [XMPP-CORE] - https://www.rfc-editor.org/rfc/rfc6120.html |
bd9e006a7a74
various: Update IETF RFC URLs for tools.ietf.org transition
Kim Alvefur <zash@zash.se>
parents:
12106
diff
changeset
|
16 -- [SRV-ID] - https://www.rfc-editor.org/rfc/rfc4985.html |
bd9e006a7a74
various: Update IETF RFC URLs for tools.ietf.org transition
Kim Alvefur <zash@zash.se>
parents:
12106
diff
changeset
|
17 -- [IDNA] - https://www.rfc-editor.org/rfc/rfc5890.html |
bd9e006a7a74
various: Update IETF RFC URLs for tools.ietf.org transition
Kim Alvefur <zash@zash.se>
parents:
12106
diff
changeset
|
18 -- [LDAP] - https://www.rfc-editor.org/rfc/rfc4519.html |
bd9e006a7a74
various: Update IETF RFC URLs for tools.ietf.org transition
Kim Alvefur <zash@zash.se>
parents:
12106
diff
changeset
|
19 -- [PKIX] - https://www.rfc-editor.org/rfc/rfc5280.html |
3651 | 20 |
12975
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12812
diff
changeset
|
21 local nameprep = require "prosody.util.encodings".stringprep.nameprep; |
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12812
diff
changeset
|
22 local idna_to_ascii = require "prosody.util.encodings".idna.to_ascii; |
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12812
diff
changeset
|
23 local idna_to_unicode = require "prosody.util.encodings".idna.to_unicode; |
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12812
diff
changeset
|
24 local base64 = require "prosody.util.encodings".base64; |
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12812
diff
changeset
|
25 local log = require "prosody.util.logger".init("x509"); |
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12812
diff
changeset
|
26 local mt = require "prosody.util.multitable"; |
4486
f04db5e7e90d
user.x509: Add some utility functions for generating OpenSSL configs
Kim Alvefur <zash@zash.se>
parents:
4330
diff
changeset
|
27 local s_format = string.format; |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
28 local ipairs = ipairs; |
3651 | 29 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
30 local _ENV = nil; |
8555
4f0f5b49bb03
vairious: Add annotation when an empty environment is set [luacheck]
Kim Alvefur <zash@zash.se>
parents:
6777
diff
changeset
|
31 -- luacheck: std none |
3651 | 32 |
33 local oid_commonname = "2.5.4.3"; -- [LDAP] 2.3 | |
34 local oid_subjectaltname = "2.5.29.17"; -- [PKIX] 4.2.1.6 | |
35 local oid_xmppaddr = "1.3.6.1.5.5.7.8.5"; -- [XMPP-CORE] | |
36 local oid_dnssrv = "1.3.6.1.5.5.7.8.7"; -- [SRV-ID] | |
37 | |
38 -- Compare a hostname (possibly international) with asserted names | |
39 -- extracted from a certificate. | |
40 -- This function follows the rules laid out in | |
4330
520fcb333cba
util.x509: Update references to published RFCs
Paul Aurich <paul@darkrain42.org>
parents:
3735
diff
changeset
|
41 -- sections 6.4.1 and 6.4.2 of [TLS-CERTS] |
3651 | 42 -- |
43 -- A wildcard ("*") all by itself is allowed only as the left-most label | |
44 local function compare_dnsname(host, asserted_names) | |
45 -- TODO: Sufficient normalization? Review relevant specs. | |
46 local norm_host = idna_to_ascii(host) | |
47 if norm_host == nil then | |
48 log("info", "Host %s failed IDNA ToASCII operation", host) | |
49 return false | |
50 end | |
51 | |
52 norm_host = norm_host:lower() | |
53 | |
54 local host_chopped = norm_host:gsub("^[^.]+%.", "") -- everything after the first label | |
55 | |
56 for i=1,#asserted_names do | |
57 local name = asserted_names[i] | |
58 if norm_host == name:lower() then | |
59 log("debug", "Cert dNSName %s matched hostname", name); | |
60 return true | |
61 end | |
62 | |
63 -- Allow the left most label to be a "*" | |
64 if name:match("^%*%.") then | |
65 local rest_name = name:gsub("^[^.]+%.", "") | |
66 if host_chopped == rest_name:lower() then | |
67 log("debug", "Cert dNSName %s matched hostname", name); | |
68 return true | |
69 end | |
70 end | |
71 end | |
72 | |
73 return false | |
74 end | |
75 | |
76 -- Compare an XMPP domain name with the asserted id-on-xmppAddr | |
77 -- identities extracted from a certificate. Both are UTF8 strings. | |
78 -- | |
79 -- Per [XMPP-CORE], matches against asserted identities don't include | |
80 -- wildcards, so we just do a normalize on both and then a string comparison | |
81 -- | |
82 -- TODO: Support for full JIDs? | |
83 local function compare_xmppaddr(host, asserted_names) | |
84 local norm_host = nameprep(host) | |
85 | |
86 for i=1,#asserted_names do | |
87 local name = asserted_names[i] | |
88 | |
89 -- We only want to match against bare domains right now, not | |
90 -- those crazy full-er JIDs. | |
91 if name:match("[@/]") then | |
92 log("debug", "Ignoring xmppAddr %s because it's not a bare domain", name) | |
93 else | |
94 local norm_name = nameprep(name) | |
95 if norm_name == nil then | |
96 log("info", "Ignoring xmppAddr %s, failed nameprep!", name) | |
97 else | |
98 if norm_host == norm_name then | |
99 log("debug", "Cert xmppAddr %s matched hostname", name) | |
100 return true | |
101 end | |
102 end | |
103 end | |
104 end | |
105 | |
106 return false | |
107 end | |
108 | |
109 -- Compare a host + service against the asserted id-on-dnsSRV (SRV-ID) | |
110 -- identities extracted from a certificate. | |
111 -- | |
112 -- Per [SRV-ID], the asserted identities will be encoded in ASCII via ToASCII. | |
113 -- Comparison is done case-insensitively, and a wildcard ("*") all by itself | |
114 -- is allowed only as the left-most non-service label. | |
115 local function compare_srvname(host, service, asserted_names) | |
116 local norm_host = idna_to_ascii(host) | |
117 if norm_host == nil then | |
118 log("info", "Host %s failed IDNA ToASCII operation", host); | |
119 return false | |
120 end | |
121 | |
122 -- Service names start with a "_" | |
123 if service:match("^_") == nil then service = "_"..service end | |
124 | |
125 norm_host = norm_host:lower(); | |
126 local host_chopped = norm_host:gsub("^[^.]+%.", "") -- everything after the first label | |
127 | |
128 for i=1,#asserted_names do | |
129 local asserted_service, name = asserted_names[i]:match("^(_[^.]+)%.(.*)"); | |
130 if service == asserted_service then | |
131 if norm_host == name:lower() then | |
132 log("debug", "Cert SRVName %s matched hostname", name); | |
133 return true; | |
134 end | |
135 | |
136 -- Allow the left most label to be a "*" | |
137 if name:match("^%*%.") then | |
138 local rest_name = name:gsub("^[^.]+%.", "") | |
139 if host_chopped == rest_name:lower() then | |
140 log("debug", "Cert SRVName %s matched hostname", name) | |
141 return true | |
142 end | |
143 end | |
144 if norm_host == name:lower() then | |
145 log("debug", "Cert SRVName %s matched hostname", name); | |
146 return true | |
147 end | |
148 end | |
149 end | |
150 | |
151 return false | |
152 end | |
153 | |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
154 local function verify_identity(host, service, cert) |
6708
d2beb98ece29
util.x509: Tell LuaSec we want UTF-8 data
Kim Alvefur <zash@zash.se>
parents:
6153
diff
changeset
|
155 if cert.setencode then |
d2beb98ece29
util.x509: Tell LuaSec we want UTF-8 data
Kim Alvefur <zash@zash.se>
parents:
6153
diff
changeset
|
156 cert:setencode("utf8"); |
d2beb98ece29
util.x509: Tell LuaSec we want UTF-8 data
Kim Alvefur <zash@zash.se>
parents:
6153
diff
changeset
|
157 end |
3651 | 158 local ext = cert:extensions() |
159 if ext[oid_subjectaltname] then | |
160 local sans = ext[oid_subjectaltname]; | |
161 | |
4330
520fcb333cba
util.x509: Update references to published RFCs
Paul Aurich <paul@darkrain42.org>
parents:
3735
diff
changeset
|
162 -- Per [TLS-CERTS] 6.3, 6.4.4, "a client MUST NOT seek a match for a |
3651 | 163 -- reference identifier if the presented identifiers include a DNS-ID |
164 -- SRV-ID, URI-ID, or any application-specific identifier types" | |
165 local had_supported_altnames = false | |
166 | |
167 if sans[oid_xmppaddr] then | |
168 had_supported_altnames = true | |
5845
c48f717c2fd6
util.x509: Only compare identity with oid-on-xmppAddr for XMPP services
Kim Alvefur <zash@zash.se>
parents:
4825
diff
changeset
|
169 if service == "_xmpp-client" or service == "_xmpp-server" then |
c48f717c2fd6
util.x509: Only compare identity with oid-on-xmppAddr for XMPP services
Kim Alvefur <zash@zash.se>
parents:
4825
diff
changeset
|
170 if compare_xmppaddr(host, sans[oid_xmppaddr]) then return true end |
c48f717c2fd6
util.x509: Only compare identity with oid-on-xmppAddr for XMPP services
Kim Alvefur <zash@zash.se>
parents:
4825
diff
changeset
|
171 end |
3651 | 172 end |
173 | |
174 if sans[oid_dnssrv] then | |
175 had_supported_altnames = true | |
176 -- Only check srvNames if the caller specified a service | |
177 if service and compare_srvname(host, service, sans[oid_dnssrv]) then return true end | |
178 end | |
179 | |
180 if sans["dNSName"] then | |
181 had_supported_altnames = true | |
182 if compare_dnsname(host, sans["dNSName"]) then return true end | |
183 end | |
184 | |
185 -- We don't need URIs, but [TLS-CERTS] is clear. | |
186 if sans["uniformResourceIdentifier"] then | |
187 had_supported_altnames = true | |
188 end | |
189 | |
190 if had_supported_altnames then return false end | |
191 end | |
192 | |
193 -- Extract a common name from the certificate, and check it as if it were | |
194 -- a dNSName subjectAltName (wildcards may apply for, and receive, | |
195 -- cat treats) | |
196 -- | |
4330
520fcb333cba
util.x509: Update references to published RFCs
Paul Aurich <paul@darkrain42.org>
parents:
3735
diff
changeset
|
197 -- Per [TLS-CERTS] 1.8, a CN-ID is the Common Name from a cert subject |
3651 | 198 -- which has one and only one Common Name |
199 local subject = cert:subject() | |
200 local cn = nil | |
201 for i=1,#subject do | |
202 local dn = subject[i] | |
203 if dn["oid"] == oid_commonname then | |
204 if cn then | |
205 log("info", "Certificate has multiple common names") | |
206 return false | |
207 end | |
208 | |
209 cn = dn["value"]; | |
210 end | |
211 end | |
212 | |
213 if cn then | |
4330
520fcb333cba
util.x509: Update references to published RFCs
Paul Aurich <paul@darkrain42.org>
parents:
3735
diff
changeset
|
214 -- Per [TLS-CERTS] 6.4.4, follow the comparison rules for dNSName SANs. |
3651 | 215 return compare_dnsname(host, { cn }) |
216 end | |
217 | |
218 -- If all else fails, well, why should we be any different? | |
219 return false | |
220 end | |
221 | |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
222 -- TODO Support other SANs |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
223 local function get_identities(cert) --> map of names to sets of services |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
224 if cert.setencode then |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
225 cert:setencode("utf8"); |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
226 end |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
227 |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
228 local names = mt.new(); |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
229 |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
230 local ext = cert:extensions(); |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
231 local sans = ext[oid_subjectaltname]; |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
232 if sans then |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
233 if sans["dNSName"] then -- Valid for any service |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
234 for _, name in ipairs(sans["dNSName"]) do |
12106
c0cb8e86ad21
util.x509: Fix to include wildcard identity
Kim Alvefur <zash@zash.se>
parents:
10494
diff
changeset
|
235 local is_wildcard = name:sub(1, 2) == "*."; |
c0cb8e86ad21
util.x509: Fix to include wildcard identity
Kim Alvefur <zash@zash.se>
parents:
10494
diff
changeset
|
236 if is_wildcard then name = name:sub(3); end |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
237 name = idna_to_unicode(nameprep(name)); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
238 if name then |
12106
c0cb8e86ad21
util.x509: Fix to include wildcard identity
Kim Alvefur <zash@zash.se>
parents:
10494
diff
changeset
|
239 if is_wildcard then name = "*." .. name; end |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
240 names:set(name, "*", true); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
241 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
242 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
243 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
244 if sans[oid_xmppaddr] then |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
245 for _, name in ipairs(sans[oid_xmppaddr]) do |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
246 name = nameprep(name); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
247 if name then |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
248 names:set(name, "xmpp-client", true); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
249 names:set(name, "xmpp-server", true); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
250 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
251 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
252 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
253 if sans[oid_dnssrv] then |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
254 for _, srvname in ipairs(sans[oid_dnssrv]) do |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
255 local srv, name = srvname:match("^_([^.]+)%.(.*)"); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
256 if srv then |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
257 name = nameprep(name); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
258 if name then |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
259 names:set(name, srv, true); |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
260 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
261 end |
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
262 end |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
263 end |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
264 end |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
265 |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
266 local subject = cert:subject(); |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
267 for i = 1, #subject do |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
268 local dn = subject[i]; |
10255
8e8d3b3a55da
util.x509: Nameprep commonName once
Kim Alvefur <zash@zash.se>
parents:
9907
diff
changeset
|
269 if dn.oid == oid_commonname then |
8e8d3b3a55da
util.x509: Nameprep commonName once
Kim Alvefur <zash@zash.se>
parents:
9907
diff
changeset
|
270 local name = nameprep(dn.value); |
10256
b2e7b07f8b74
util.x509: Only collect commonNames that pass idna
Kim Alvefur <zash@zash.se>
parents:
10255
diff
changeset
|
271 if name and idna_to_ascii(name) then |
10494
69e55b03d5cf
util.x509: Fix recording of CommonNames in get_identities
Kim Alvefur <zash@zash.se>
parents:
10259
diff
changeset
|
272 names:set(name, "*", true); |
10255
8e8d3b3a55da
util.x509: Nameprep commonName once
Kim Alvefur <zash@zash.se>
parents:
9907
diff
changeset
|
273 end |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
274 end |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
275 end |
10259
9df135b06c2f
util.x509: Return sets of services per identity
Kim Alvefur <zash@zash.se>
parents:
10256
diff
changeset
|
276 return names.data; |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
277 end |
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
278 |
12812
b2d422b88cd6
Revert unintentionally committed parts of 12bd40b8e105
Kim Alvefur <zash@zash.se>
parents:
12808
diff
changeset
|
279 local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n".. |
b2d422b88cd6
Revert unintentionally committed parts of 12bd40b8e105
Kim Alvefur <zash@zash.se>
parents:
12808
diff
changeset
|
280 "([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-"; |
6152
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
281 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
282 local function pem2der(pem) |
6152
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
283 local typ, data = pem:match(pat); |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
284 if typ and data then |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
285 return base64.decode(data), typ; |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
286 end |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
287 end |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
288 |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
289 local wrap = ('.'):rep(64); |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
290 local envelope = "-----BEGIN %s-----\n%s\n-----END %s-----\n" |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
291 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
292 local function der2pem(data, typ) |
6152
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
293 typ = typ and typ:upper() or "CERTIFICATE"; |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
294 data = base64.encode(data); |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
295 return s_format(envelope, typ, data:gsub(wrap, '%0\n', (#data-1)/64), typ); |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
296 end |
fbab74c28e31
util.x509: And functions for converting between DER and PEM
Kim Alvefur <zash@zash.se>
parents:
5845
diff
changeset
|
297 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
298 return { |
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
299 verify_identity = verify_identity; |
9907
54e36a8677bc
util.x509: Add function that extracts usable names from a certificate
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
300 get_identities = get_identities; |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
301 pem2der = pem2der; |
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
302 der2pem = der2pem; |
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
6708
diff
changeset
|
303 }; |