-function get_context(host, mode, config)
- local ssl_config = config and config.core.ssl or default_ssl_config;
- if ssl and ssl_config then
- return ssl_newcontext(setmetatable(ssl_config, mode == "client" and default_ssl_ctx_mt or default_ssl_ctx_in_mt));
- end
- return nil;
+ local ctx, err = ssl_newcontext(ssl_config);
+ 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;