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-rw-r--r--util/x509.lua30
1 files changed, 26 insertions, 4 deletions
diff --git a/util/x509.lua b/util/x509.lua
index 19d4ec6d..bf8d3906 100644
--- a/util/x509.lua
+++ b/util/x509.lua
@@ -20,11 +20,9 @@
local nameprep = require "util.encodings".stringprep.nameprep;
local idna_to_ascii = require "util.encodings".idna.to_ascii;
+local base64 = require "util.encodings".base64;
local log = require "util.logger".init("x509");
-local pairs, ipairs = pairs, ipairs;
local s_format = string.format;
-local t_insert = table.insert;
-local t_concat = table.concat;
module "x509"
@@ -150,6 +148,9 @@ local function compare_srvname(host, service, asserted_names)
end
function verify_identity(host, service, cert)
+ if cert.setencode then
+ cert:setencode("utf8");
+ end
local ext = cert:extensions()
if ext[oid_subjectaltname] then
local sans = ext[oid_subjectaltname];
@@ -161,7 +162,9 @@ function verify_identity(host, service, cert)
if sans[oid_xmppaddr] then
had_supported_altnames = true
- if compare_xmppaddr(host, sans[oid_xmppaddr]) then return true end
+ if service == "_xmpp-client" or service == "_xmpp-server" then
+ if compare_xmppaddr(host, sans[oid_xmppaddr]) then return true end
+ end
end
if sans[oid_dnssrv] then
@@ -212,4 +215,23 @@ function verify_identity(host, service, cert)
return false
end
+local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n"..
+"([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-";
+
+function pem2der(pem)
+ local typ, data = pem:match(pat);
+ if typ and data then
+ return base64.decode(data), typ;
+ end
+end
+
+local wrap = ('.'):rep(64);
+local envelope = "-----BEGIN %s-----\n%s\n-----END %s-----\n"
+
+function der2pem(data, typ)
+ typ = typ and typ:upper() or "CERTIFICATE";
+ data = base64.encode(data);
+ return s_format(envelope, typ, data:gsub(wrap, '%0\n', (#data-1)/64), typ);
+end
+
return _M;