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fix: harden UCE runtime and starter

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This commit is contained in:
udo
2026-06-11 13:44:24 +00:00
parent 71ddcaf7d4
commit 7f757654b6
128 changed files with 276200 additions and 872 deletions
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src/linux_fastcgi.cpp
+62 -38
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@@ -27,6 +27,7 @@ static String websocket_exec_write_buffer = "";
void close_inherited_server_sockets();
u64 request_seed_from_time(f64 time_value);
void prepare_request_body_maps(Request& request);
Request* set_active_request(Request& request)
{
@@ -67,40 +68,34 @@ void render_request_failure(Request& request, String title, String details, Stri
Request* previous_context = set_active_request(request);
clear_request_output(request);
print("UCE runtime error\n");
print("Request: ", first(request.params["REQUEST_URI"], request.params["SCRIPT_FILENAME"]), "\n");
print("Script: ", request.params["SCRIPT_FILENAME"], "\n");
print("Error: ", title, "\n");
String body;
body += "UCE runtime error\n";
body += "Request: " + first(request.params["REQUEST_URI"], request.params["SCRIPT_FILENAME"]) + "\n";
body += "Script: " + request.params["SCRIPT_FILENAME"] + "\n";
body += "Error: " + title + "\n";
if(details != "")
print("Details: ", details, "\n");
body += "Details: " + details + "\n";
if(request.server && request.params["SCRIPT_FILENAME"] != "")
{
String generated = compiler_generated_cpp_path(&request, request.params["SCRIPT_FILENAME"]);
body += "Generated C++: " + generated + "\n";
body += "Hint: if this came from template code, inspect the generated C++ and the nearest .uce literal/code delimiter before changing runtime code.\n";
}
else
body += "Hint: inspect the requested .uce file, its generated C++, and any component/unit called immediately before this failure.\n";
if(request_fault_signal != 0)
{
String sig_label = signal_name((int)request_fault_signal);
print("Signal: ", (s64)request_fault_signal);
body += "Signal: " + std::to_string((int)request_fault_signal);
if(sig_label != "")
print(" (", sig_label, ")");
print("\n");
body += " (" + sig_label + ")";
body += "\n";
}
if(trace != "")
print("\nTrace:\n", trace);
request.err += "UCE runtime error\n";
request.err += "Request: " + first(request.params["REQUEST_URI"], request.params["SCRIPT_FILENAME"]) + "\n";
request.err += "Script: " + request.params["SCRIPT_FILENAME"] + "\n";
request.err += "Error: " + title + "\n";
if(details != "")
request.err += "Details: " + details + "\n";
if(request_fault_signal != 0)
{
String sig_label = signal_name((int)request_fault_signal);
request.err += "Signal: " + std::to_string((int)request_fault_signal);
if(sig_label != "")
request.err += " (" + sig_label + ")";
request.err += "\n";
}
if(trace != "")
request.err += "\nTrace:\n" + trace;
body += "\nTrace:\n" + trace;
print(body);
request.err = body;
request.flags.status = status_code;
restore_active_request(previous_context);
}
@@ -108,9 +103,11 @@ void render_request_failure(Request& request, String title, String details, Stri
void on_request_fault_signal(int sig)
{
request_fault_signal = sig;
request_fault_trace = capture_backtrace_string(32, 1);
if(request_fault_active && request_fault_request)
{
request_fault_trace = capture_backtrace_string(32, 1);
siglongjmp(request_fault_jmp, 1);
}
on_segfault(sig);
}
@@ -393,7 +390,7 @@ Request websocket_exec_build_event_request(DTree job, String message)
event_request.server = &server_state;
event_request.params = job["params"].to_stringmap();
event_request.params["REQUEST_METHOD"] = "WEBSOCKET";
event_request.get = parse_query(event_request.params["QUERY_STRING"]);
prepare_request_body_maps(event_request);
event_request.resources.is_websocket = true;
event_request.resources.websocket_connection_id = job["connection_id"].to_string();
event_request.resources.websocket_scope = job["scope"].to_string();
@@ -413,9 +410,6 @@ Request websocket_exec_build_event_request(DTree job, String message)
event_request.header["Content-Type"] = server_state.config["CONTENT_TYPE"];
event_request.in = message;
if(event_request.params["HTTP_COOKIE"].length() > 0)
event_request.cookies = parse_cookies(event_request.params["HTTP_COOKIE"]);
event_request.params["WS_MESSAGE"] = message;
event_request.params["WS_CONNECTION_ID"] = event_request.resources.websocket_connection_id;
event_request.params["WS_SCOPE"] = event_request.resources.websocket_scope;
@@ -475,6 +469,7 @@ void websocket_exec_process_job_line(int fd, String line)
if(event_request.session_id.length() > 0)
save_session_data(event_request.session_id, event_request.session);
cleanup_mysql_connections();
cleanup_sqlite_connections();
DTree response;
response["type"] = "result";
@@ -750,7 +745,9 @@ u64 request_seed_from_time(f64 time_value)
void prepare_request_body_maps(Request& request)
{
request.get = parse_query(request.params["QUERY_STRING"]);
String route_path;
request.get = parse_query(request.params["QUERY_STRING"], &route_path);
request_populate_context_params_from_route(request, route_path);
if(request.params["HTTP_COOKIE"].length() > 0)
request.cookies = parse_cookies(request.params["HTTP_COOKIE"]);
@@ -782,7 +779,6 @@ int handle_cli_complete(FastCGIRequest& request)
request.random_index = 0;
request.random_seed = request_seed_from_time(request.stats.time_start);
request.ob_start();
prepare_request_body_maps(request);
String method = trim(request.params["REQUEST_METHOD"]);
String command = trim(first(request.params["DOCUMENT_URI"], request.params["REQUEST_URI"]));
@@ -827,6 +823,7 @@ int handle_cli_complete(FastCGIRequest& request)
{
request.params["DOCUMENT_ROOT"] = document_root;
request.params["SCRIPT_FILENAME"] = script_filename;
prepare_request_body_maps(request);
request.props = DTree();
compiler_invoke_cli(&request, script_filename);
}
@@ -850,6 +847,7 @@ int handle_cli_complete(FastCGIRequest& request)
for(auto &f : request.uploaded_files)
file_unlink(f.tmp_name);
cleanup_mysql_connections();
cleanup_sqlite_connections();
restore_active_request(previous_context);
return(request.flags.status);
}
@@ -883,7 +881,6 @@ int handle_complete(FastCGIRequest& request) {
//request.stats.mem_alloc = 0;
//request.stats.mem_high = 0;
request.header["Content-Type"] = (request.resources.is_cli ? "text/plain; charset=utf-8" : context->server->config["CONTENT_TYPE"]);
request.get = parse_query(request.params["QUERY_STRING"]);
request.random_index = 0;
request.random_seed = request_seed_from_time(request.stats.time_start);
request.ob_start();
@@ -945,6 +942,7 @@ int handle_complete(FastCGIRequest& request) {
save_session_data(request.session_id, request.session);
cleanup_mysql_connections();
cleanup_sqlite_connections();
restore_active_request(previous_context);
return request.flags.status;
@@ -1305,14 +1303,27 @@ void run_proactive_compiler()
signal(SIGPIPE, SIG_IGN);
setpriority(PRIO_PROCESS, 0, 10);
auto known_units = compiler_list_known_units(&background_context);
auto site_units = compiler_scan_site_units(&background_context);
known_units.insert(known_units.end(), site_units.begin(), site_units.end());
compiler_set_known_units(&background_context, known_units);
try
{
auto known_units = compiler_list_known_units(&background_context);
auto site_units = compiler_scan_site_units(&background_context);
known_units.insert(known_units.end(), site_units.begin(), site_units.end());
compiler_set_known_units(&background_context, known_units);
}
catch(const std::exception& e)
{
printf("(!) proactive compiler initial scan failed: %s\n", e.what());
}
catch(...)
{
printf("(!) proactive compiler initial scan failed: unknown exception\n");
}
next_scan_at = time_precise();
for(;;)
{
try
{
if(compile_queue.size() == 0 && time_precise() >= next_scan_at)
{
auto tracked_units = compiler_list_known_units(&background_context);
@@ -1375,6 +1386,19 @@ void run_proactive_compiler()
}
usleep(250000);
}
catch(const std::exception& e)
{
printf("(!) proactive compiler scan failed: %s\n", e.what());
next_scan_at = time_precise() + check_interval;
usleep(250000);
}
catch(...)
{
printf("(!) proactive compiler scan failed: unknown exception\n");
next_scan_at = time_precise() + check_interval;
usleep(250000);
}
}
}