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local configmanager = require "core.configmanager";
local log = require "util.logger".init("certmanager");
local ssl = ssl;
local ssl_newcontext = ssl and ssl.newcontext;
local setmetatable, tostring = setmetatable, tostring;
local prosody = prosody;
module "certmanager"
-- These are the defaults if not overridden in the config
local default_ssl_ctx = { mode = "client", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none", options = "no_sslv2"; };
local default_ssl_ctx_in = { mode = "server", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none", options = "no_sslv2"; };
local default_ssl_ctx_mt = { __index = default_ssl_ctx };
local default_ssl_ctx_in_mt = { __index = default_ssl_ctx_in };
-- Global SSL options if not overridden per-host
local default_ssl_config = configmanager.get("*", "core", "ssl");
function create_context(host, mode, config)
local ssl_config = config and config.core.ssl or default_ssl_config;
if ssl and ssl_config then
local ctx, err = ssl_newcontext(setmetatable(ssl_config, mode == "client" and default_ssl_ctx_mt or default_ssl_ctx_in_mt));
if not ctx then
err = err or "invalid ssl config"
local file = err:match("^error loading (.-) %(");
if file then
if file == "private key" then
file = ssl_config.key or "your private key";
elseif file == "certificate" then
file = ssl_config.certificate or "your certificate file";
end
local reason = err:match("%((.+)%)$") or "some reason";
if reason == "Permission denied" then
reason = "Check that the permissions allow Prosody to read this file.";
elseif reason == "No such file or directory" then
reason = "Check that the path is correct, and the file exists.";
elseif reason == "system lib" then
reason = "Previous error (see logs), or other system error.";
elseif reason == "(null)" or not reason then
reason = "Check that the file exists and the permissions are correct";
else
reason = "Reason: "..tostring(reason):lower();
end
log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
else
log("error", "SSL/TLS: Error initialising for host %s: %s", host, err );
end
end
return ctx, err;
elseif not ssl then
return nil, "LuaSec (required for encryption) was not found";
end
return nil, "No SSL/TLS configuration present for "..host;
end
function reload_ssl_config()
default_ssl_config = configmanager.get("*", "core", "ssl");
end
prosody.events.add_handler("config-reloaded", reload_ssl_config);
return _M;
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