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-rw-r--r--util/openssl.lua156
-rw-r--r--util/rfc3484.lua4
-rw-r--r--util/x509.lua105
3 files changed, 158 insertions, 107 deletions
diff --git a/util/openssl.lua b/util/openssl.lua
new file mode 100644
index 00000000..8fdb9b4a
--- /dev/null
+++ b/util/openssl.lua
@@ -0,0 +1,156 @@
+local type, tostring, pairs, ipairs = type, tostring, pairs, ipairs;
+local t_insert, t_concat = table.insert, table.concat;
+local s_format = string.format;
+
+local oid_xmppaddr = "1.3.6.1.5.5.7.8.5"; -- [XMPP-CORE]
+local oid_dnssrv = "1.3.6.1.5.5.7.8.7"; -- [SRV-ID]
+
+local idna_to_ascii = require "util.encodings".idna.to_ascii;
+
+local _M = {};
+local config = {};
+_M.config = config;
+
+local ssl_config = {};
+local ssl_config_mt = {__index=ssl_config};
+
+function config.new()
+ return setmetatable({
+ req = {
+ distinguished_name = "distinguished_name",
+ req_extensions = "v3_extensions",
+ x509_extensions = "v3_extensions",
+ prompt = "no",
+ },
+ distinguished_name = {
+ commonName = "example.com",
+ countryName = "GB",
+ localityName = "The Internet",
+ organizationName = "Your Organisation",
+ organizationalUnitName = "XMPP Department",
+ emailAddress = "xmpp@example.com",
+ },
+ v3_extensions = {
+ basicConstraints = "CA:FALSE",
+ keyUsage = "digitalSignature,keyEncipherment",
+ extendedKeyUsage = "serverAuth,clientAuth",
+ subjectAltName = "@subject_alternative_name",
+ },
+ subject_alternative_name = {
+ DNS = {},
+ otherName = {},
+ },
+ }, ssl_config_mt);
+end
+
+function ssl_config:serialize()
+ local s = "";
+ for k, t in pairs(self) do
+ s = s .. ("[%s]\n"):format(k);
+ if k == "subject_alternative_name" then
+ for san, n in pairs(t) do
+ for i = 1,#n do
+ s = s .. s_format("%s.%d = %s\n", san, i -1, n[i]);
+ end
+ end
+ else
+ for k, v in pairs(t) do
+ s = s .. ("%s = %s\n"):format(k, v);
+ end
+ end
+ s = s .. "\n";
+ end
+ return s;
+end
+
+local function utf8string(s)
+ -- This is how we tell openssl not to encode UTF-8 strings as fake Latin1
+ return s_format("FORMAT:UTF8,UTF8:%s", s);
+end
+
+local function ia5string(s)
+ return s_format("IA5STRING:%s", s);
+end
+
+local util = {};
+_M.util = {
+ utf8string = utf8string,
+ ia5string = ia5string,
+};
+
+local function xmppAddr(t, host)
+end
+
+function ssl_config:add_dNSName(host)
+ t_insert(self.subject_alternative_name.DNS, idna_to_ascii(host));
+end
+
+function ssl_config:add_sRVName(host, service)
+ t_insert(self.subject_alternative_name.otherName,
+ s_format("%s;%s", oid_dnssrv, ia5string("_" .. service .."." .. idna_to_ascii(host))));
+end
+
+function ssl_config:add_xmppAddr(host)
+ t_insert(self.subject_alternative_name.otherName,
+ s_format("%s;%s", oid_xmppaddr, utf8string(host)));
+end
+
+function ssl_config:from_prosody(hosts, config, certhosts, raw)
+ -- TODO Decide if this should go elsewhere
+ local found_matching_hosts = false;
+ for i = 1,#certhosts do
+ local certhost = certhosts[i];
+ for name, host in pairs(hosts) do
+ if name == certhost or name:sub(-1-#certhost) == "."..certhost then
+ found_matching_hosts = true;
+ self:add_dNSName(name);
+ --print(name .. "#component_module: " .. (config.get(name, "core", "component_module") or "nil"));
+ if config.get(name, "core", "component_module") == nil then
+ self:add_sRVName(name, "xmpp-client");
+ end
+ --print(name .. "#anonymous_login: " .. tostring(config.get(name, "core", "anonymous_login")));
+ if not (config.get(name, "core", "anonymous_login") or
+ config.get(name, "core", "authentication") == "anonymous") then
+ self:add_sRVName(name, "xmpp-server");
+ end
+ self:add_xmppAddr(name);
+ end
+ end
+ end
+ if not found_matching_hosts then
+ return nil, "no-matching-hosts";
+ end
+end
+
+do -- Lua to shell calls.
+ local function shell_escape(s)
+ return s:gsub("'",[['\'']]);
+ end
+
+ local function serialize(f,o)
+ local r = {"openssl", f};
+ for k,v in pairs(o) do
+ if type(k) == "string" then
+ t_insert(r, ("-%s"):format(k));
+ if v ~= true then
+ t_insert(r, ("'%s'"):format(shell_escape(tostring(v))));
+ end
+ end
+ end
+ for k,v in ipairs(o) do
+ t_insert(r, ("'%s'"):format(shell_escape(tostring(v))));
+ end
+ return t_concat(r, " ");
+ end
+
+ local os_execute = os.execute;
+ setmetatable(_M, {
+ __index=function(self,f)
+ return function(opts)
+ return 0 == os_execute(serialize(f, type(opts) == "table" and opts or {}));
+ end;
+ end;
+ });
+end
+
+return _M;
diff --git a/util/rfc3484.lua b/util/rfc3484.lua
index dd855a84..5ee572a0 100644
--- a/util/rfc3484.lua
+++ b/util/rfc3484.lua
@@ -19,7 +19,7 @@ local function t_sort(t, comp)
end
end
-function source(dest, candidates)
+local function source(dest, candidates)
local function comp(ipA, ipB)
-- Rule 1: Prefer same address
if dest == ipA then
@@ -70,7 +70,7 @@ function source(dest, candidates)
return candidates[1];
end
-function destination(candidates, sources)
+local function destination(candidates, sources)
local sourceAddrs = {};
local function comp(ipA, ipB)
local ipAsource = sourceAddrs[ipA];
diff --git a/util/x509.lua b/util/x509.lua
index f106e6fa..19d4ec6d 100644
--- a/util/x509.lua
+++ b/util/x509.lua
@@ -212,109 +212,4 @@ function verify_identity(host, service, cert)
return false
end
--- TODO Rename? Split out subroutines?
--- Also, this is probably openssl specific, what TODO about that?
-function genx509san(hosts, config, certhosts, raw) -- recive config through that or some better way?
- local function utf8string(s)
- -- This is how we tell openssl not to encode UTF-8 strings as Latin1
- return s_format("FORMAT:UTF8,UTF8:%s", s);
- end
-
- local function ia5string(s)
- return s_format("IA5STRING:%s", s);
- end
-
- local function dnsname(t, host)
- t_insert(t.DNS, idna_to_ascii(host));
- end
-
- local function srvname(t, host, service)
- t_insert(t.otherName, s_format("%s;%s", oid_dnssrv, ia5string("_" .. service .."." .. idna_to_ascii(host))));
- end
-
- local function xmppAddr(t, host)
- t_insert(t.otherName, s_format("%s;%s", oid_xmppaddr, utf8string(host)));
- end
-
- -----------------------------
-
- local san = {
- DNS = {};
- otherName = {};
- };
-
- local sslsanconf = { };
-
- for i = 1,#certhosts do
- local certhost = certhosts[i];
- for name, host in pairs(hosts) do
- if name == certhost or name:sub(-1-#certhost) == "."..certhost then
- dnsname(san, name);
- --print(name .. "#component_module: " .. (config.get(name, "core", "component_module") or "nil"));
- if config.get(name, "core", "component_module") == nil then
- srvname(san, name, "xmpp-client");
- end
- --print(name .. "#anonymous_login: " .. tostring(config.get(name, "core", "anonymous_login")));
- if not (config.get(name, "core", "anonymous_login") or
- config.get(name, "core", "authentication") == "anonymous") then
- srvname(san, name, "xmpp-server");
- end
- xmppAddr(san, name);
- end
- end
- end
-
- for t, n in pairs(san) do
- for i = 1,#n do
- t_insert(sslsanconf, s_format("%s.%d = %s", t, i -1, n[i]));
- end
- end
-
- return raw and sslsanconf or t_concat(sslsanconf, "\n");
-end
-
-function baseconf()
- return {
- req = {
- distinguished_name = "distinguished_name",
- req_extensions = "v3_extensions",
- x509_extensions = "v3_extensions",
- prompt = "no",
- },
- distinguished_name = {
- commonName = "example.com",
- countryName = "GB",
- localityName = "The Internet",
- organizationName = "Your Organisation",
- organizationalUnitName = "XMPP Department",
- emailAddress = "xmpp@example.com",
- },
- v3_extensions = {
- basicConstraints = "CA:FALSE",
- keyUsage = "digitalSignature,keyEncipherment",
- extendedKeyUsage = "serverAuth,clientAuth",
- subjectAltName = "@subject_alternative_name",
- },
- subject_alternative_name = { },
- }
-end
-
-function serialize_conf(conf)
- local s = "";
- for k, t in pairs(conf) do
- s = s .. ("[%s]\n"):format(k);
- if t[1] then
- for i, v in ipairs(t) do
- s = s .. ("%s\n"):format(v);
- end
- else
- for k, v in pairs(t) do
- s = s .. ("%s = %s\n"):format(k, v);
- end
- end
- s = s .. "\n";
- end
- return s;
-end
-
return _M;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 08:09:53 +0000