kore

python.c (150017B)

---

 /*
  * Copyright (c) 2016 Stanislav Yudin <stan@endlessinsomnia.com>
  * Copyright (c) 2017-2022 Joris Vink <joris@coders.se>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/un.h>
 
 #include <ctype.h>
 #include <libgen.h>
 #include <inttypes.h>
 #include <signal.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdarg.h>
 #include <stddef.h>
 
 #include "kore.h"
 #include "http.h"
 
 #if defined(KORE_USE_PGSQL)
 #include "pgsql.h"
 #endif
 
 #if defined(KORE_USE_CURL)
 #include "curl.h"
 #endif
 
 #if defined(KORE_USE_ACME)
 #include "acme.h"
 #endif
 
 #include "python_api.h"
 #include "python_methods.h"
 
 #if defined(KORE_USE_CURL)
 #include "python_curlopt.h"
 #endif
 
 #include <frameobject.h>
 
 struct reqcall {
 	PyObject		*f;
 	TAILQ_ENTRY(reqcall)	list;
 };
 
 TAILQ_HEAD(reqcall_list, reqcall);
 
 PyMODINIT_FUNC		python_module_init(void);
 
 static PyObject		*python_import(const char *);
 static PyObject		*pyconnection_alloc(struct connection *);
 static PyObject		*python_callable(PyObject *, const char *);
 static void		python_split_arguments(char *, char **, size_t);
 static void		python_kore_recvobj(struct kore_msg *, const void *);
 
 static PyObject		*python_cmsg_to_list(struct msghdr *);
 static const char	*python_string_from_dict(PyObject *, const char *);
 static int		python_bool_from_dict(PyObject *, const char *, int *);
 static int		python_long_from_dict(PyObject *, const char *, long *);
 
 static int		pyhttp_response_sent(struct netbuf *);
 static PyObject		*pyhttp_file_alloc(struct http_file *);
 static PyObject		*pyhttp_request_alloc(const struct http_request *);
 
 static struct python_coro	*python_coro_create(PyObject *,
 				    struct http_request *);
 static struct kore_domain	*python_route_domain_resolve(struct pyroute *);
 
 static int		python_route_install(struct pyroute *);
 static int		python_route_params(PyObject *, struct kore_route *,
 			    const char *, int, int);
 static int		python_route_methods(PyObject *, PyObject *,
 			    struct kore_route *);
 static int		python_route_auth(PyObject *, struct kore_route *);
 static int		python_route_hooks(PyObject *, struct kore_route *);
 static int		python_route_hook_set(PyObject *, const char *,
 			    struct kore_runtime_call **);
 
 static int		python_coro_run(struct python_coro *);
 static void		python_coro_wakeup(struct python_coro *);
 static void		python_coro_suspend(struct python_coro *);
 static void		python_coro_trace(const char *, struct python_coro *);
 
 static void		pysocket_evt_handle(void *, int);
 static void		pysocket_op_timeout(void *, u_int64_t);
 static PyObject		*pysocket_op_create(struct pysocket *,
 			    int, const void *, size_t);
 
 static struct pysocket	*pysocket_alloc(void);
 static PyObject		*pysocket_async_recv(struct pysocket_op *);
 static PyObject		*pysocket_async_send(struct pysocket_op *);
 static PyObject		*pysocket_async_accept(struct pysocket_op *);
 static PyObject		*pysocket_async_connect(struct pysocket_op *);
 
 static void		pylock_do_release(struct pylock *);
 
 static void		pytimer_run(void *, u_int64_t);
 static void		pyproc_timeout(void *, u_int64_t);
 static void		pysuspend_wakeup(void *, u_int64_t);
 
 static void		pygather_reap_coro(struct pygather_op *,
 			    struct python_coro *);
 
 static int		pyhttp_preprocess(struct http_request *);
 static int		pyhttp_iterobj_chunk_sent(struct netbuf *);
 static int		pyhttp_iterobj_next(struct pyhttp_iterobj *);
 static void		pyhttp_iterobj_disconnect(struct connection *);
 
 static int		pyconnection_x509_cb(void *, int, int, const char *,
 			    const void *, size_t, int);
 
 #if defined(KORE_USE_PGSQL)
 static int		pykore_pgsql_result(struct pykore_pgsql *);
 static void		pykore_pgsql_callback(struct kore_pgsql *, void *);
 static int		pykore_pgsql_params(struct pykore_pgsql *, PyObject *);
 static int		pykore_pgsql_params(struct pykore_pgsql *, PyObject *);
 #endif
 
 #if defined(KORE_USE_CURL)
 static void		python_curl_http_callback(struct kore_curl *, void *);
 static void		python_curl_handle_callback(struct kore_curl *, void *);
 static PyObject		*pyhttp_client_request(struct pyhttp_client *, int,
 			    PyObject *);
 static PyObject		*python_curlopt_set(struct pycurl_data *,
 			    long, PyObject *);
 static int		python_curlopt_from_dict(struct pycurl_data *,
 			    PyObject *);
 #endif
 
 static void	python_append_path(const char *);
 static void	python_push_integer(PyObject *, const char *, long);
 static void	python_push_type(const char *, PyObject *, PyTypeObject *);
 
 static int	python_validator_check(PyObject *);
 static int	python_runtime_http_request(void *, struct http_request *);
 static void	python_runtime_http_request_free(void *, struct http_request *);
 static void	python_runtime_http_body_chunk(void *, struct http_request *,
 		    const void *, size_t);
 static int	python_runtime_validator(void *, struct http_request *,
 		    const void *);
 static void	python_runtime_wsmessage(void *, struct connection *,
 		    u_int8_t, const void *, size_t);
 static void	python_runtime_execute(void *);
 static int	python_runtime_onload(void *, int);
 static void	python_runtime_signal(void *, int);
 static void	python_runtime_configure(void *, int, char **);
 static void	python_runtime_connect(void *, struct connection *);
 
 static void	python_module_load(struct kore_module *);
 static void	python_module_free(struct kore_module *);
 static void	python_module_reload(struct kore_module *);
 static void	*python_module_getsym(struct kore_module *, const char *);
 
 static void	*python_malloc(void *, size_t);
 static void	*python_calloc(void *, size_t, size_t);
 static void	*python_realloc(void *, void *, size_t);
 static void	python_free(void *, void *);
 
 struct kore_module_functions kore_python_module = {
 	.free = python_module_free,
 	.load = python_module_load,
 	.getsym = python_module_getsym,
 	.reload = python_module_reload
 };
 
 struct kore_runtime kore_python_runtime = {
 	KORE_RUNTIME_PYTHON,
 	.http_request = python_runtime_http_request,
 	.http_body_chunk = python_runtime_http_body_chunk,
 	.http_request_free = python_runtime_http_request_free,
 	.validator = python_runtime_validator,
 	.wsconnect = python_runtime_connect,
 	.wsmessage = python_runtime_wsmessage,
 	.wsdisconnect = python_runtime_connect,
 	.onload = python_runtime_onload,
 	.signal = python_runtime_signal,
 	.connect = python_runtime_connect,
 	.execute = python_runtime_execute,
 	.configure = python_runtime_configure,
 };
 
 static struct {
 	const char		*symbol;
 	int			value;
 } python_integers[] = {
 	{ "LOG_ERR", LOG_ERR },
 	{ "LOG_INFO", LOG_INFO },
 	{ "LOG_NOTICE", LOG_NOTICE },
 	{ "RESULT_OK", KORE_RESULT_OK },
 	{ "RESULT_RETRY", KORE_RESULT_RETRY },
 	{ "RESULT_ERROR", KORE_RESULT_ERROR },
 	{ "MODULE_LOAD", KORE_MODULE_LOAD },
 	{ "MODULE_UNLOAD", KORE_MODULE_UNLOAD },
 	{ "TIMER_ONESHOT", KORE_TIMER_ONESHOT },
 	{ "CONN_PROTO_HTTP", CONN_PROTO_HTTP },
 	{ "CONN_PROTO_UNKNOWN", CONN_PROTO_UNKNOWN },
 	{ "CONN_PROTO_WEBSOCKET", CONN_PROTO_WEBSOCKET },
 	{ "CONN_STATE_ESTABLISHED", CONN_STATE_ESTABLISHED },
 	{ "HTTP_METHOD_GET", HTTP_METHOD_GET },
 	{ "HTTP_METHOD_PUT", HTTP_METHOD_PUT },
 	{ "HTTP_METHOD_HEAD", HTTP_METHOD_HEAD },
 	{ "HTTP_METHOD_POST", HTTP_METHOD_POST },
 	{ "HTTP_METHOD_DELETE", HTTP_METHOD_DELETE },
 	{ "HTTP_METHOD_OPTIONS", HTTP_METHOD_OPTIONS },
 	{ "HTTP_METHOD_PATCH", HTTP_METHOD_PATCH },
 	{ "WEBSOCKET_OP_TEXT", WEBSOCKET_OP_TEXT },
 	{ "WEBSOCKET_OP_BINARY", WEBSOCKET_OP_BINARY },
 	{ "WEBSOCKET_BROADCAST_LOCAL", WEBSOCKET_BROADCAST_LOCAL },
 	{ "WEBSOCKET_BROADCAST_GLOBAL", WEBSOCKET_BROADCAST_GLOBAL },
 	{ NULL, -1 }
 };
 
 static PyMemAllocatorEx allocator = {
 	.ctx = NULL,
 	.malloc = python_malloc,
 	.calloc = python_calloc,
 	.realloc = python_realloc,
 	.free = python_free
 };
 
 #if defined(__linux__)
 #include "seccomp.h"
 
 static struct sock_filter filter_python[] = {
 	/* Required for kore.proc */
 #if defined(SYS_dup2)
 	KORE_SYSCALL_ALLOW(dup2),
 #endif
 #if defined(SYS_dup3)
 	KORE_SYSCALL_ALLOW(dup3),
 #endif
 #if defined(SYS_pipe)
 	KORE_SYSCALL_ALLOW(pipe),
 #endif
 #if defined(SYS_pipe2)
 	KORE_SYSCALL_ALLOW(pipe2),
 #endif
 	KORE_SYSCALL_ALLOW(wait4),
 	KORE_SYSCALL_ALLOW(execve),
 
 	/* Socket related. */
 	KORE_SYSCALL_ALLOW(bind),
 	KORE_SYSCALL_ALLOW(listen),
 	KORE_SYSCALL_ALLOW(sendto),
 	KORE_SYSCALL_ALLOW(recvfrom),
 	KORE_SYSCALL_ALLOW(getsockname),
 	KORE_SYSCALL_ALLOW(getpeername),
 	KORE_SYSCALL_ALLOW_ARG(socket, 0, AF_INET),
 	KORE_SYSCALL_ALLOW_ARG(socket, 0, AF_INET6),
 	KORE_SYSCALL_ALLOW_ARG(socket, 0, AF_UNIX),
 };
 
 #define PYSECCOMP_ACTION_ALLOW		1
 #define PYSECCOMP_ACTION_DENY		2
 
 #define PYSECCOMP_SYSCALL_FILTER	1
 #define PYSECCOMP_SYSCALL_ARG		2
 #define PYSECCOMP_SYSCALL_MASK		3
 #define PYSECCOMP_SYSCALL_FLAG		4
 
 static int	pyseccomp_filter_install(struct pyseccomp *,
 		    const char *, int, int, int, int);
 static PyObject	*pyseccomp_common_action(struct pyseccomp *, PyObject *,
 		    PyObject *, int, int);
 
 static struct pyseccomp			*py_seccomp = NULL;
 #endif
 
 static TAILQ_HEAD(, pyproc)		procs;
 static TAILQ_HEAD(, pyroute)		routes;
 static struct reqcall_list		prereq;
 
 static struct kore_pool			coro_pool;
 static struct kore_pool			iterobj_pool;
 static struct kore_pool			queue_wait_pool;
 static struct kore_pool			gather_coro_pool;
 static struct kore_pool			queue_object_pool;
 static struct kore_pool			gather_result_pool;
 
 static u_int64_t			coro_id;
 static int				coro_count;
 static int				coro_tracing;
 static struct coro_list			coro_runnable;
 static struct coro_list			coro_suspended;
 
 extern const char *__progname;
 
 static PyObject		*pickle = NULL;
 static PyObject		*kore_app = NULL;
 static PyObject		*pickle_dumps = NULL;
 static PyObject		*pickle_loads = NULL;
 static PyObject		*python_tracer = NULL;
 
 /* XXX */
 static struct python_coro		*coro_running = NULL;
 
 #if !defined(KORE_SINGLE_BINARY)
 const char	*kore_pymodule = NULL;
 #endif
 
 void
 kore_python_init(void)
 {
 	struct kore_runtime_call	*rcall;
 
 	coro_id = 0;
 	coro_count = 0;
 	coro_tracing = 0;
 
 	TAILQ_INIT(&prereq);
 
 	TAILQ_INIT(&procs);
 	TAILQ_INIT(&routes);
 	TAILQ_INIT(&coro_runnable);
 	TAILQ_INIT(&coro_suspended);
 
 	kore_pool_init(&coro_pool, "coropool", sizeof(struct python_coro), 100);
 
 	kore_pool_init(&iterobj_pool, "iterobj_pool",
 	    sizeof(struct pyhttp_iterobj), 100);
 	kore_pool_init(&queue_wait_pool, "queue_wait_pool",
 	    sizeof(struct pyqueue_waiting), 100);
 	kore_pool_init(&gather_coro_pool, "gather_coro_pool",
 	    sizeof(struct pygather_coro), 100);
 	kore_pool_init(&queue_object_pool, "queue_object_pool",
 	    sizeof(struct pyqueue_object), 100);
 	kore_pool_init(&gather_result_pool, "gather_result_pool",
 	    sizeof(struct pygather_result), 100);
 
 	PyMem_SetAllocator(PYMEM_DOMAIN_OBJ, &allocator);
 	PyMem_SetAllocator(PYMEM_DOMAIN_MEM, &allocator);
 	PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &allocator);
 
 #if defined(KORE_DEBUG)
 	PyMem_SetupDebugHooks();
 #endif
 
 	kore_msg_register(KORE_PYTHON_SEND_OBJ, python_kore_recvobj);
 
 	if (PyImport_AppendInittab("kore", &python_module_init) == -1)
 		fatal("kore_python_init: failed to add new module");
 
 	rcall = kore_runtime_getcall("kore_python_preinit");
 	if (rcall != NULL) {
 		kore_runtime_execute(rcall);
 		kore_free(rcall);
 	}
 
 	Py_InitializeEx(0);
 
 	if ((pickle = PyImport_ImportModule("pickle")) == NULL)
 		fatal("failed to import pickle module");
 
 	if ((pickle_dumps = PyObject_GetAttrString(pickle, "dumps")) == NULL)
 		fatal("pickle module has no dumps method");
 
 	if ((pickle_loads = PyObject_GetAttrString(pickle, "loads")) == NULL)
 		fatal("pickle module has no loads method");
 
 #if defined(__linux__)
 	kore_seccomp_filter("python", filter_python,
 	    KORE_FILTER_LEN(filter_python));
 #endif
 
 #if !defined(KORE_SINGLE_BINARY)
 	if (kore_pymodule) {
 		if (!kore_configure_setting("deployment", "dev"))
 			fatal("failed to set initial deployment");
 	}
 #endif
 }
 
 void
 kore_python_cleanup(void)
 {
 	if (Py_IsInitialized()) {
 		PyErr_Clear();
 		Py_Finalize();
 	}
 }
 
 void
 kore_python_path(const char *path)
 {
 	python_append_path(path);
 }
 
 void
 kore_python_coro_run(void)
 {
 	struct pygather_op	*op;
 	struct python_coro	*coro;
 
 	while ((coro = TAILQ_FIRST(&coro_runnable)) != NULL) {
 		if (coro->state != CORO_STATE_RUNNABLE)
 			fatal("non-runnable coro on coro_runnable");
 
 		if (python_coro_run(coro) == KORE_RESULT_OK) {
 			if (coro->gatherop != NULL) {
 				op = coro->gatherop;
 				if (op->coro->request != NULL)
 					http_request_wakeup(op->coro->request);
 				else
 					python_coro_wakeup(op->coro);
 				pygather_reap_coro(op, coro);
 			} else {
 				kore_python_coro_delete(coro);
 			}
 		}
 	}
 
 	/*
 	 * Let Kore do HTTP processing so awoken coroutines run asap without
 	 * having to wait for a tick from the event loop.
 	 *
 	 * Maybe it is more beneficial that we track if something related
 	 * to HTTP requests was awoken and only run if true?
 	 */
 	http_process();
 
 #if defined(KORE_USE_CURL)
 	/*
 	 * If a coroutine fired off a curl instance, immediately
 	 * let it make progress.
 	 */
 	kore_curl_do_timeout();
 #endif
 }
 
 void
 kore_python_coro_delete(void *obj)
 {
 	struct python_coro	*coro;
 
 	coro = obj;
 	coro_count--;
 
 	python_coro_trace(coro->killed ? "killed" : "deleted", coro);
 
 	coro_running = coro;
 
 	if (coro->lockop != NULL) {
 		coro->lockop->active = 0;
 		TAILQ_REMOVE(&coro->lockop->lock->ops, coro->lockop, list);
 		Py_DECREF((PyObject *)coro->lockop);
 		coro->lockop = NULL;
 	}
 
 	Py_DECREF(coro->obj);
 	coro_running = NULL;
 
 	if (coro->state == CORO_STATE_RUNNABLE)
 		TAILQ_REMOVE(&coro_runnable, coro, list);
 	else
 		TAILQ_REMOVE(&coro_suspended, coro, list);
 
 	kore_free(coro->name);
 	Py_XDECREF(coro->result);
 
 	kore_pool_put(&coro_pool, coro);
 }
 
 int
 kore_python_coro_pending(void)
 {
 	return (!TAILQ_EMPTY(&coro_runnable));
 }
 
 void
 kore_python_routes_resolve(void)
 {
 	struct pyroute		*route;
 
 	while ((route = TAILQ_FIRST(&routes)) != NULL) {
 		TAILQ_REMOVE(&routes, route, list);
 		if (!python_route_install(route))
 			fatalx("failed to install route for %s", route->path);
 		Py_DECREF((PyObject *)route);
 	}
 }
 
 void
 kore_python_log_error(const char *function)
 {
 	const char	*sval;
 	PyObject	*ret, *repr, *type, *value, *traceback;
 
 	if (!PyErr_Occurred() || PyErr_ExceptionMatches(PyExc_StopIteration))
 		return;
 
 	PyErr_Fetch(&type, &value, &traceback);
 
 	if (type == NULL || value == NULL) {
 		kore_log(LOG_ERR, "unknown python exception in '%s'", function);
 		return;
 	}
 
 	if (value == NULL || !PyObject_IsInstance(value, type))
 		PyErr_NormalizeException(&type, &value, &traceback);
 
 	/*
 	 * If we're in an active coroutine and it was tied to a gather
 	 * operation we have to make sure we can use the Exception that
 	 * was thrown as the result value so we can propagate it via the
 	 * return list of kore.gather().
 	 */
 	if (coro_running != NULL && coro_running->gatherop != NULL) {
 		PyErr_SetObject(PyExc_StopIteration, value);
 	} else if (python_tracer != NULL) {
 		/*
 		 * Call the user-supplied tracer callback.
 		 */
 		ret = PyObject_CallFunctionObjArgs(python_tracer,
 		    type, value, traceback, NULL);
 		Py_XDECREF(ret);
 	} else {
 		if ((repr = PyObject_Repr(value)) == NULL)
 			sval = "unknown";
 		else
 			sval = PyUnicode_AsUTF8(repr);
 
 		kore_log(LOG_ERR,
 		    "uncaught exception %s in '%s'", sval, function);
 
 		Py_XDECREF(repr);
 	}
 
 	Py_DECREF(type);
 	Py_DECREF(value);
 	Py_XDECREF(traceback);
 }
 
 void
 kore_python_proc_reap(void)
 {
 	struct pyproc		*proc;
 	struct python_coro	*coro;
 	pid_t			child;
 	int			status;
 
 	for (;;) {
 		if ((child = waitpid(-1, &status, WNOHANG)) == -1) {
 			if (errno == ECHILD)
 				return;
 			if (errno == EINTR)
 				continue;
 			kore_log(LOG_NOTICE, "waitpid: %s", errno_s);
 			return;
 		}
 
 		if (child == 0)
 			return;
 
 		proc = NULL;
 
 		TAILQ_FOREACH(proc, &procs, list) {
 			if (proc->pid == child)
 				break;
 		}
 
 		if (proc == NULL)
 			continue;
 
 		proc->pid = -1;
 		proc->reaped = 1;
 		proc->status = status;
 
 		if (proc->timer != NULL) {
 			kore_timer_remove(proc->timer);
 			proc->timer = NULL;
 		}
 
 		/*
 		 * If someone is waiting on proc.reap() then wakeup that
 		 * coroutine, otherwise wakeup the coroutine that created
 		 * the process.
 		 */
 		if (proc->op != NULL)
 			coro = proc->op->coro;
 		else
 			coro = proc->coro;
 
 		if (coro->request != NULL)
 			http_request_wakeup(coro->request);
 		else
 			python_coro_wakeup(coro);
 	}
 }
 
 #if defined(__linux__)
 void
 kore_python_seccomp_hook(const char *method)
 {
 	struct kore_runtime	*rt;
 	PyObject		*func, *result;
 
 	if ((func = kore_module_getsym(method, &rt)) == NULL)
 		return;
 
 	if (rt->type != KORE_RUNTIME_PYTHON)
 		return;
 
 	py_seccomp = PyObject_New(struct pyseccomp, &pyseccomp_type);
 	if (py_seccomp == NULL)
 		fatal("failed to create seccomp object");
 
 	py_seccomp->elm = 0;
 	py_seccomp->filters = NULL;
 
 	result = PyObject_CallFunctionObjArgs(func,
 	    (PyObject *)py_seccomp, NULL);
 	kore_python_log_error(method);
 
 	kore_seccomp_filter("koreapp", py_seccomp->filters, py_seccomp->elm);
 
 	Py_XDECREF(result);
 }
 
 void
 kore_python_seccomp_cleanup(void)
 {
 	Py_XDECREF(py_seccomp);
 	py_seccomp = NULL;
 }
 
 static void
 pyseccomp_dealloc(struct pyseccomp *seccomp)
 {
 	kore_free(seccomp->filters);
 
 	seccomp->elm = 0;
 	seccomp->filters = NULL;
 }
 
 static PyObject *
 pyseccomp_bpf_stmt(struct pyseccomp *seccomp, PyObject *args)
 {
 	u_int32_t		k;
 	u_int16_t		code;
 	size_t			len, off;
 	struct sock_filter	filter[1];
 
 	if (!PyArg_ParseTuple(args, "HI", &code, &k))
 		return (NULL);
 
 	filter[0].k = k;
 	filter[0].jt = 0;
 	filter[0].jf = 0;
 	filter[0].code = code;
 
 	len = sizeof(struct sock_filter);
 	off = seccomp->elm * sizeof(struct sock_filter);
 	seccomp->filters = kore_realloc(seccomp->filters, off + len);
 
 	memcpy(seccomp->filters + off, filter, len);
 	seccomp->elm += 1;
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 pyseccomp_allow(struct pyseccomp *seccomp, PyObject *args)
 {
 	const char		*syscall;
 
 	if (!PyArg_ParseTuple(args, "s", &syscall))
 		return (NULL);
 
 	if (!pyseccomp_filter_install(seccomp, syscall,
 	    PYSECCOMP_SYSCALL_FILTER, 0, 0, SECCOMP_RET_ALLOW))
 		return (NULL);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 pyseccomp_allow_arg(struct pyseccomp *seccomp, PyObject *args)
 {
 	return (pyseccomp_common_action(seccomp, args, NULL,
 	    PYSECCOMP_SYSCALL_ARG, PYSECCOMP_ACTION_ALLOW));
 }
 
 static PyObject *
 pyseccomp_allow_flag(struct pyseccomp *seccomp, PyObject *args)
 {
 	return (pyseccomp_common_action(seccomp, args, NULL,
 	    PYSECCOMP_SYSCALL_FLAG, PYSECCOMP_ACTION_ALLOW));
 }
 
 static PyObject *
 pyseccomp_allow_mask(struct pyseccomp *seccomp, PyObject *args)
 {
 	return (pyseccomp_common_action(seccomp, args, NULL,
 	    PYSECCOMP_SYSCALL_MASK, PYSECCOMP_ACTION_ALLOW));
 }
 
 static PyObject *
 pyseccomp_deny(struct pyseccomp *seccomp, PyObject *args, PyObject *kwargs)
 {
 	long			err;
 	const char		*syscall;
 
 	if (!PyArg_ParseTuple(args, "s", &syscall))
 		return (NULL);
 
 	err = EACCES;
 
 	if (kwargs != NULL)
 		python_long_from_dict(kwargs, "errno", &err);
 
 	if (!pyseccomp_filter_install(seccomp, syscall,
 	    PYSECCOMP_SYSCALL_FILTER, 0, 0, SECCOMP_RET_ERRNO | (int)err))
 		return (NULL);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 pyseccomp_deny_arg(struct pyseccomp *seccomp, PyObject *args, PyObject *kwargs)
 {
 	return (pyseccomp_common_action(seccomp, args, kwargs,
 	    PYSECCOMP_SYSCALL_ARG, PYSECCOMP_ACTION_DENY));
 }
 
 static PyObject *
 pyseccomp_deny_flag(struct pyseccomp *seccomp, PyObject *args, PyObject *kwargs)
 {
 	return (pyseccomp_common_action(seccomp, args, kwargs,
 	    PYSECCOMP_SYSCALL_FLAG, PYSECCOMP_ACTION_DENY));
 }
 
 static PyObject *
 pyseccomp_deny_mask(struct pyseccomp *seccomp, PyObject *args, PyObject *kwargs)
 {
 	return (pyseccomp_common_action(seccomp, args, kwargs,
 	    PYSECCOMP_SYSCALL_MASK, PYSECCOMP_ACTION_DENY));
 }
 
 static PyObject *
 pyseccomp_common_action(struct pyseccomp *sc, PyObject *args,
     PyObject *kwargs, int which, int action)
 {
 	long			err;
 	const char		*syscall;
 	int			arg, val;
 
 	if (!PyArg_ParseTuple(args, "sii", &syscall, &arg, &val))
 		return (NULL);
 
 	switch (action) {
 	case PYSECCOMP_ACTION_ALLOW:
 		action = SECCOMP_RET_ALLOW;
 		break;
 	case PYSECCOMP_ACTION_DENY:
 		err = EACCES;
 		if (kwargs != NULL)
 			python_long_from_dict(kwargs, "errno", &err);
 		action = SECCOMP_RET_ERRNO | (int)err;
 		break;
 	default:
 		fatal("%s: bad action %d", __func__, action);
 	}
 
 	if (!pyseccomp_filter_install(sc, syscall, which, arg, val, action))
 		return (NULL);
 
 	Py_RETURN_NONE;
 }
 
 static int
 pyseccomp_filter_install(struct pyseccomp *seccomp, const char *syscall,
     int which, int arg, int val, int action)
 {
 	struct sock_filter	*filter;
 	size_t			elm, len, off;
 
 	switch (which) {
 	case PYSECCOMP_SYSCALL_FILTER:
 		filter = kore_seccomp_syscall_filter(syscall, action);
 		break;
 	case PYSECCOMP_SYSCALL_ARG:
 		filter = kore_seccomp_syscall_arg(syscall, action, arg, val);
 		break;
 	case PYSECCOMP_SYSCALL_MASK:
 		filter = kore_seccomp_syscall_mask(syscall, action, arg, val);
 		break;
 	case PYSECCOMP_SYSCALL_FLAG:
 		filter = kore_seccomp_syscall_flag(syscall, action, arg, val);
 		break;
 	default:
 		fatal("%s: invalid syscall instruction %d", __func__, which);
 	}
 
 	if (filter == NULL) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "system call '%s' does not exist", syscall);
 		return (KORE_RESULT_ERROR);
 	}
 
 	elm = 0;
 
 	/*
 	 * Find the number of elements in the BPF program, by looking for
 	 * the KORE_BPF_GUARD element.
 	 */
 	for (;;) {
 		if (filter[elm].code == USHRT_MAX &&
 		    filter[elm].jt == UCHAR_MAX &&
 		    filter[elm].jf == UCHAR_MAX &&
 		    filter[elm].k == UINT_MAX)
 			break;
 
 		elm++;
 	}
 
 	len = elm * sizeof(struct sock_filter);
 	off = seccomp->elm * sizeof(struct sock_filter);
 	seccomp->filters = kore_realloc(seccomp->filters, off + len);
 
 	memcpy(seccomp->filters + off, filter, len);
 	seccomp->elm += elm;
 
 	kore_free(filter);
 
 	return (KORE_RESULT_OK);
 }
 #endif
 
 static int
 python_long_from_dict(PyObject *dict, const char *key, long *result)
 {
 	PyObject	*obj;
 
 	if ((obj = PyDict_GetItemString(dict, key)) == NULL)
 		return (KORE_RESULT_ERROR);
 
 	if (!PyLong_CheckExact(obj))
 		return (KORE_RESULT_ERROR);
 
 	PyErr_Clear();
 	*result = PyLong_AsLong(obj);
 	if (*result == -1 && PyErr_Occurred()) {
 		PyErr_Clear();
 		return (KORE_RESULT_ERROR);
 	}
 
 	return (KORE_RESULT_OK);
 }
 
 static int
 python_bool_from_dict(PyObject *dict, const char *key, int *result)
 {
 	PyObject	*obj;
 
 	if ((obj = PyDict_GetItemString(dict, key)) == NULL)
 		return (KORE_RESULT_ERROR);
 
 	if (!PyBool_Check(obj))
 		return (KORE_RESULT_ERROR);
 
 	*result = (obj == Py_True);
 
 	return (KORE_RESULT_OK);
 }
 
 static const char *
 python_string_from_dict(PyObject *dict, const char *key)
 {
 	PyObject	*obj;
 
 	if ((obj = PyDict_GetItemString(dict, key)) == NULL)
 		return (NULL);
 
 	if (!PyUnicode_Check(obj))
 		return (NULL);
 
 	return (PyUnicode_AsUTF8AndSize(obj, NULL));
 }
 
 static PyObject *
 python_cmsg_to_list(struct msghdr *msg)
 {
 	struct cmsghdr		*c;
 	size_t			len;
 	Py_ssize_t		idx;
 	PyObject		*list, *tuple;
 
 	if ((list = PyList_New(0)) == NULL)
 		return (NULL);
 
 	idx = 0;
 
 	for (c = CMSG_FIRSTHDR(msg); c != NULL; c = CMSG_NXTHDR(msg, c)) {
 		len = c->cmsg_len - sizeof(*c);
 
 		tuple = Py_BuildValue("(Iiiy#)", len,
 		    c->cmsg_level, c->cmsg_type, CMSG_DATA(c), len);
 
 		if (tuple == NULL) {
 			Py_DECREF(list);
 			return (NULL);
 		}
 
 		/* Steals a reference to tuple. */
 		if (PyList_Insert(list, idx++, tuple) == -1) {
 			Py_DECREF(tuple);
 			Py_DECREF(list);
 			return (NULL);
 		}
 	}
 
 	return (list);
 }
 
 static void *
 python_malloc(void *ctx, size_t len)
 {
 	return (kore_malloc(len));
 }
 
 static void *
 python_calloc(void *ctx, size_t memb, size_t len)
 {
 	return (kore_calloc(memb, len));
 }
 
 static void *
 python_realloc(void *ctx, void *ptr, size_t len)
 {
 	return (kore_realloc(ptr, len));
 }
 
 static void
 python_free(void *ctx, void *ptr)
 {
 	kore_free(ptr);
 }
 
 static void
 python_module_free(struct kore_module *module)
 {
 	kore_free(module->path);
 	Py_DECREF(module->handle);
 	kore_free(module);
 }
 
 static void
 python_split_arguments(char *args, char **argv, size_t elm)
 {
 	size_t		idx;
 	char		*p, *line, *end;
 
 	if (elm <= 1)
 		fatal("not enough elements (%zu)", elm);
 
 	idx = 0;
 	line = args;
 
 	for (p = line; *p != '\0'; p++) {
 		if (idx >= elm - 1)
 			break;
 
 		if (*p == ' ') {
 			*p = '\0';
 			if (*line != '\0')
 				argv[idx++] = line;
 			line = p + 1;
 			continue;
 		}
 
 		if (*p != '"')
 			continue;
 
 		line = p + 1;
 		if ((end = strchr(line, '"')) == NULL)
 			break;
 
 		*end = '\0';
 		argv[idx++] = line;
 		line = end + 1;
 
 		while (isspace(*(unsigned char *)line))
 			line++;
 
 		p = line;
 	}
 
 	if (idx < elm - 1 && *line != '\0')
 		argv[idx++] = line;
 
 	argv[idx] = NULL;
 }
 
 static void
 python_module_reload(struct kore_module *module)
 {
 	PyObject	*handle;
 
 	PyErr_Clear();
 	if ((handle = PyImport_ReloadModule(module->handle)) == NULL) {
 		kore_python_log_error("python_module_reload");
 		return;
 	}
 
 	Py_DECREF(module->handle);
 	module->handle = handle;
 }
 
 static void
 python_module_load(struct kore_module *module)
 {
 	module->handle = python_import(module->path);
 	if (module->handle == NULL)
 		fatal("%s: failed to import module", module->path);
 }
 
 static void *
 python_module_getsym(struct kore_module *module, const char *symbol)
 {
 	return (python_callable(module->handle, symbol));
 }
 
 static struct python_coro *
 python_coro_create(PyObject *obj, struct http_request *req)
 {
 	struct python_coro	*coro;
 
 	if (!PyCoro_CheckExact(obj))
 		fatal("%s: object is not a coroutine", __func__);
 
 	coro = kore_pool_get(&coro_pool);
 	coro_count++;
 
 	coro->name = NULL;
 	coro->result = NULL;
 	coro->sockop = NULL;
 	coro->lockop = NULL;
 	coro->gatherop = NULL;
 	coro->exception = NULL;
 	coro->exception_msg = NULL;
 
 	coro->obj = obj;
 	coro->killed = 0;
 	coro->request = req;
 	coro->id = coro_id++;
 	coro->state = CORO_STATE_RUNNABLE;
 
 	TAILQ_INSERT_TAIL(&coro_runnable, coro, list);
 
 	if (coro->request != NULL)
 		http_request_sleep(coro->request);
 
 	python_coro_trace("created", coro);
 
 	return (coro);
 }
 
 static int
 python_coro_run(struct python_coro *coro)
 {
 	PyObject	*item;
 	PyObject	*type, *traceback;
 
 	if (coro->state != CORO_STATE_RUNNABLE)
 		fatal("non-runnable coro attempted to run");
 
 	coro_running = coro;
 
 	for (;;) {
 		python_coro_trace("running", coro);
 
 		PyErr_Clear();
 #if PY_VERSION_HEX < 0x030a00a1
 		item = _PyGen_Send((PyGenObject *)coro->obj, NULL);
 #else
 		/* Depend on the result in item only. */
 		(void)PyIter_Send(coro->obj, NULL, &item);
 #endif
 
 		if (item == NULL) {
 			if (coro->gatherop == NULL && PyErr_Occurred() &&
 			    PyErr_ExceptionMatches(PyExc_StopIteration)) {
 				PyErr_Fetch(&type, &coro->result, &traceback);
 				Py_DECREF(type);
 				Py_XDECREF(traceback);
 			} else {
 				kore_python_log_error("coroutine");
 
 				if (coro->request != NULL) {
 					http_response(coro->request,
 					    HTTP_STATUS_INTERNAL_ERROR,
 					    NULL, 0);
 				}
 			}
 
 			coro_running = NULL;
 			return (KORE_RESULT_OK);
 		}
 
 		if (item == Py_None) {
 			Py_DECREF(item);
 			break;
 		}
 
 		Py_DECREF(item);
 	}
 
 	python_coro_suspend(coro);
 	coro_running = NULL;
 
 	if (coro->request != NULL)
 		http_request_sleep(coro->request);
 
 	return (KORE_RESULT_RETRY);
 }
 
 static void
 python_coro_wakeup(struct python_coro *coro)
 {
 	if (coro->state != CORO_STATE_SUSPENDED)
 		return;
 
 	coro->state = CORO_STATE_RUNNABLE;
 	TAILQ_REMOVE(&coro_suspended, coro, list);
 	TAILQ_INSERT_TAIL(&coro_runnable, coro, list);
 
 	python_coro_trace("wokeup", coro);
 }
 
 static void
 python_coro_suspend(struct python_coro *coro)
 {
 	if (coro->state != CORO_STATE_RUNNABLE)
 		return;
 
 	coro->state = CORO_STATE_SUSPENDED;
 	TAILQ_REMOVE(&coro_runnable, coro, list);
 	TAILQ_INSERT_TAIL(&coro_suspended, coro, list);
 
 	python_coro_trace("suspended", coro);
 }
 
 static void
 python_coro_trace(const char *label, struct python_coro *coro)
 {
 	int			line;
 	PyGenObject		*gen;
 	PyCodeObject		*code;
 	const char		*func, *fname, *file;
 
 	if (coro_tracing == 0)
 		return;
 
 	gen = (PyGenObject *)coro->obj;
 
 	if (gen->gi_frame != NULL && gen->gi_frame->f_code != NULL) {
 		code = gen->gi_frame->f_code;
 		func = PyUnicode_AsUTF8AndSize(code->co_name, NULL);
 		file = PyUnicode_AsUTF8AndSize(code->co_filename, NULL);
 
 		if ((fname = strrchr(file, '/')) == NULL)
 			fname = file;
 		else
 			fname++;
 	} else {
 		func = "unknown";
 		fname = "unknown";
 	}
 
 	if (gen->gi_frame != NULL)
 		line = PyFrame_GetLineNumber(gen->gi_frame);
 	else
 		line = -1;
 
 	if (coro->name) {
 		kore_log(LOG_NOTICE, "coro '%s' %s <%s> @ [%s:%d]",
 		    coro->name, label, func, fname, line);
 	} else {
 		kore_log(LOG_NOTICE, "coro %" PRIu64 " %s <%s> @ [%s:%d]",
 		    coro->id, label, func, fname, line);
 	}
 }
 
 static void
 pyconnection_dealloc(struct pyconnection *pyc)
 {
 	PyObject_Del((PyObject *)pyc);
 }
 
 static void
 pyhttp_dealloc(struct pyhttp_request *pyreq)
 {
 	Py_XDECREF(pyreq->dict);
 	Py_XDECREF(pyreq->data);
 	PyObject_Del((PyObject *)pyreq);
 }
 
 static void
 pyhttp_file_dealloc(struct pyhttp_file *pyfile)
 {
 	PyObject_Del((PyObject *)pyfile);
 }
 
 static int
 python_runtime_http_request(void *addr, struct http_request *req)
 {
 	int			ret, idx, cnt;
 	PyObject		*pyret, *args, *callable;
 	PyObject		*cargs[HTTP_CAPTURE_GROUPS + 1];
 
 	if (req->py_coro != NULL) {
 		python_coro_wakeup(req->py_coro);
 		if (python_coro_run(req->py_coro) == KORE_RESULT_OK) {
 			kore_python_coro_delete(req->py_coro);
 			req->py_coro = NULL;
 
 			if (req->fsm_state != PYHTTP_STATE_PREPROCESS)
 				return (KORE_RESULT_OK);
 		}
 		return (KORE_RESULT_RETRY);
 	}
 
 	switch (req->fsm_state) {
 	case PYHTTP_STATE_INIT:
 		req->py_rqnext = TAILQ_FIRST(&prereq);
 		req->fsm_state = PYHTTP_STATE_PREPROCESS;
 		if (req->py_req == NULL) {
 			if ((req->py_req = pyhttp_request_alloc(req)) == NULL)
 				fatal("%s: pyreq alloc failed", __func__);
 		}
 		/* fallthrough */
 	case PYHTTP_STATE_PREPROCESS:
 		ret = pyhttp_preprocess(req);
 		switch (ret) {
 		case KORE_RESULT_OK:
 			req->fsm_state = PYHTTP_STATE_RUN;
 			break;
 		case KORE_RESULT_RETRY:
 			return (KORE_RESULT_RETRY);
 		case KORE_RESULT_ERROR:
 			return (KORE_RESULT_OK);
 		default:
 			fatal("invalid state pyhttp state %d", req->fsm_state);
 		}
 		/* fallthrough */
 	case PYHTTP_STATE_RUN:
 		break;
 	}
 
 	cnt = 0;
 	callable = (PyObject *)addr;
 
 	/* starts at 1 to skip the full path. */
 	if (req->rt->type == HANDLER_TYPE_DYNAMIC) {
 		for (idx = 1; idx < HTTP_CAPTURE_GROUPS - 1; idx++) {
 			if (req->cgroups[idx].rm_so == -1 ||
 			    req->cgroups[idx].rm_eo == -1)
 				break;
 
 			cargs[cnt] = PyUnicode_FromStringAndSize(req->path +
 			    req->cgroups[idx].rm_so,
 			    req->cgroups[idx].rm_eo - req->cgroups[idx].rm_so);
 
 			if (cargs[cnt] == NULL) {
 				while (cnt >= 0)
 					Py_XDECREF(cargs[cnt--]);
 				kore_python_log_error("http request");
 				http_response(req,
 				    HTTP_STATUS_INTERNAL_ERROR, NULL, 0);
 				return (KORE_RESULT_OK);
 			}
 
 			cnt++;
 		}
 	}
 
 	cargs[cnt] = NULL;
 
 	if ((args = PyTuple_New(cnt + 1)) == NULL)
 		fatal("%s: PyTuple_New failed", __func__);
 
 	Py_INCREF(req->py_req);
 	if (PyTuple_SetItem(args, 0, req->py_req) != 0)
 		fatal("python_runtime_http_request: PyTuple_SetItem failed");
 
 	for (idx = 0; cargs[idx] != NULL; idx++) {
 		if (PyTuple_SetItem(args, 1 + idx, cargs[idx]) != 0)
 			fatal("%s: PyTuple_SetItem failed (%d)", __func__, idx);
 	}
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_http_request");
 		http_response(req, HTTP_STATUS_INTERNAL_ERROR, NULL, 0);
 		return (KORE_RESULT_OK);
 	}
 
 	if (PyCoro_CheckExact(pyret)) {
 		req->py_coro = python_coro_create(pyret, req);
 		if (python_coro_run(req->py_coro) == KORE_RESULT_OK) {
 			http_request_wakeup(req);
 			kore_python_coro_delete(req->py_coro);
 			req->py_coro = NULL;
 			return (KORE_RESULT_OK);
 		}
 		return (KORE_RESULT_RETRY);
 	}
 
 	if (pyret != Py_None)
 		fatal("python_runtime_http_request: unexpected return type");
 
 	Py_DECREF(pyret);
 
 	return (KORE_RESULT_OK);
 }
 
 static void
 python_runtime_http_request_free(void *addr, struct http_request *req)
 {
 	PyObject	*ret;
 
 	if (req->py_req == NULL) {
 		if ((req->py_req = pyhttp_request_alloc(req)) == NULL)
 			fatal("%s: pyreq alloc failed", __func__);
 	}
 
 	PyErr_Clear();
 	ret = PyObject_CallFunctionObjArgs(addr, req->py_req, NULL);
 
 	if (ret == NULL)
 		kore_python_log_error("python_runtime_http_request_free");
 
 	Py_XDECREF(ret);
 }
 
 static void
 python_runtime_http_body_chunk(void *addr, struct http_request *req,
     const void *data, size_t len)
 {
 	PyObject	*args, *ret;
 
 	if (req->py_req == NULL) {
 		if ((req->py_req = pyhttp_request_alloc(req)) == NULL)
 			fatal("%s: pyreq alloc failed", __func__);
 	}
 
 	if ((args = Py_BuildValue("(Oy#)", req->py_req, data, len)) == NULL) {
 		kore_python_log_error("python_runtime_http_body_chunk");
 		return;
 	}
 
 	PyErr_Clear();
 	ret = PyObject_Call(addr, args, NULL);
 
 	if (ret == NULL)
 		kore_python_log_error("python_runtime_http_body_chunk");
 
 	Py_XDECREF(ret);
 	Py_DECREF(args);
 }
 
 static int
 python_runtime_validator(void *addr, struct http_request *req, const void *data)
 {
 	int			ret;
 	struct python_coro	*coro;
 	PyObject		*pyret, *args, *callable, *arg;
 
 	if (req->py_req == NULL) {
 		if ((req->py_req = pyhttp_request_alloc(req)) == NULL)
 			fatal("%s: pyreq alloc failed", __func__);
 	}
 
 	if (req->py_validator != NULL) {
 		coro = req->py_validator;
 		python_coro_wakeup(coro);
 		if (python_coro_run(coro) == KORE_RESULT_OK) {
 			ret = python_validator_check(coro->result);
 			kore_python_coro_delete(coro);
 			req->py_validator = NULL;
 			return (ret);
 		}
 
 		return (KORE_RESULT_RETRY);
 	}
 
 	callable = (PyObject *)addr;
 
 	if (req->flags & HTTP_VALIDATOR_IS_REQUEST) {
 		if ((args = PyTuple_New(1)) == NULL)
 			fatal("%s: PyTuple_New failed", __func__);
 
 		Py_INCREF(req->py_req);
 		if (PyTuple_SetItem(args, 0, req->py_req) != 0)
 			fatal("%s: PyTuple_SetItem failed", __func__);
 	} else {
 		if ((arg = PyUnicode_FromString(data)) == NULL)
 			fatal("python_runtime_validator: PyUnicode failed");
 
 		if ((args = PyTuple_New(2)) == NULL)
 			fatal("%s: PyTuple_New failed", __func__);
 
 		Py_INCREF(req->py_req);
 		if (PyTuple_SetItem(args, 0, req->py_req) != 0 ||
 		    PyTuple_SetItem(args, 1, arg) != 0)
 			fatal("%s: PyTuple_SetItem failed", __func__);
 	}
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_validator");
 		fatal("failed to execute python call");
 	}
 
 	if (PyCoro_CheckExact(pyret)) {
 		coro = python_coro_create(pyret, req);
 		req->py_validator = coro;
 		if (python_coro_run(coro) == KORE_RESULT_OK) {
 			http_request_wakeup(req);
 			ret = python_validator_check(coro->result);
 			kore_python_coro_delete(coro);
 			req->py_validator = NULL;
 			return (ret);
 		}
 		return (KORE_RESULT_RETRY);
 	}
 
 	ret = python_validator_check(pyret);
 	Py_DECREF(pyret);
 
 	return (ret);
 }
 
 static int
 python_validator_check(PyObject *obj)
 {
 	int	ret;
 
 	if (obj == NULL)
 		return (KORE_RESULT_ERROR);
 
 	if (!PyBool_Check(obj)) {
 		kore_log(LOG_WARNING,
 		    "validator did not return True/False");
 		ret = KORE_RESULT_ERROR;
 	}
 
 	if (obj == Py_True)
 		ret = KORE_RESULT_OK;
 	else
 		ret = KORE_RESULT_ERROR;
 
 	return (ret);
 }
 
 static void
 python_runtime_wsmessage(void *addr, struct connection *c, u_int8_t op,
     const void *data, size_t len)
 {
 	PyObject	*callable, *args, *pyret, *pyc, *pyop, *pydata;
 
 	callable = (PyObject *)addr;
 
 	if ((pyc = pyconnection_alloc(c)) == NULL)
 		fatal("python_runtime_wsmessage: pyc alloc failed");
 
 	if ((pyop = PyLong_FromLong((long)op)) == NULL)
 		fatal("python_runtime_wsmessage: PyLong_FromLong failed");
 
 	switch (op) {
 	case WEBSOCKET_OP_TEXT:
 		if ((pydata = PyUnicode_FromStringAndSize(data, len)) == NULL)
 			fatal("wsmessage: PyUnicode_AsUTF8AndSize failed");
 		break;
 	case WEBSOCKET_OP_BINARY:
 		if ((pydata = PyBytes_FromStringAndSize(data, len)) == NULL)
 			fatal("wsmessage: PyBytes_FromString failed");
 		break;
 	default:
 		fatal("python_runtime_wsmessage: invalid op");
 	}
 
 	if ((args = PyTuple_New(3)) == NULL)
 		fatal("python_runtime_wsmessage: PyTuple_New failed");
 
 	if (PyTuple_SetItem(args, 0, pyc) != 0 ||
 	    PyTuple_SetItem(args, 1, pyop) != 0 ||
 	    PyTuple_SetItem(args, 2, pydata) != 0)
 		fatal("python_runtime_wsmessage: PyTuple_SetItem failed");
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_wsconnect");
 		fatal("failed to execute python call");
 	}
 
 	Py_DECREF(pyret);
 }
 
 static void
 python_runtime_execute(void *addr)
 {
 	PyObject	*callable, *args, *pyret;
 
 	callable = (PyObject *)addr;
 
 	if ((args = PyTuple_New(0)) == NULL)
 		fatal("python_runtime_execute: PyTuple_New failed");
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_execute");
 		fatal("failed to execute python call");
 	}
 
 	Py_DECREF(pyret);
 }
 
 static void
 python_runtime_configure(void *addr, int argc, char **argv)
 {
 	int		i;
 	PyObject	*callable, *args, *pyret, *pyarg, *list;
 
 	callable = (PyObject *)addr;
 
 	if ((args = PyTuple_New(1)) == NULL)
 		fatal("python_runtime_configure: PyTuple_New failed");
 
 	if ((list = PyList_New(argc + 1)) == NULL)
 		fatal("python_runtime_configure: PyList_New failed");
 
 	if ((pyarg = PyUnicode_FromString(__progname)) == NULL)
 		fatal("python_runtime_configure: PyUnicode_FromString");
 
 	if (PyList_SetItem(list, 0, pyarg) == -1)
 		fatal("python_runtime_configure: PyList_SetItem");
 
 	for (i = 0; i < argc; i++) {
 		if ((pyarg = PyUnicode_FromString(argv[i])) == NULL)
 			fatal("python_runtime_configure: PyUnicode_FromString");
 
 		if (PyList_SetItem(list, i + 1, pyarg) == -1)
 			fatal("python_runtime_configure: PyList_SetItem");
 	}
 
 	if (PyTuple_SetItem(args, 0, list) != 0)
 		fatal("python_runtime_configure: PyTuple_SetItem");
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_configure");
 		fatal("failed to configure your application");
 	}
 
 	Py_DECREF(pyret);
 }
 
 static int
 python_runtime_onload(void *addr, int action)
 {
 	int		ret;
 	PyObject	*pyret, *args, *pyact, *callable;
 
 	callable = (PyObject *)addr;
 
 	if ((pyact = PyLong_FromLong(action)) == NULL)
 		fatal("python_runtime_onload: PyLong_FromLong failed");
 
 	if ((args = PyTuple_New(1)) == NULL)
 		fatal("python_runtime_onload: PyTuple_New failed");
 
 	if (PyTuple_SetItem(args, 0, pyact) != 0)
 		fatal("python_runtime_onload: PyTuple_SetItem failed");
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_onload");
 		return (KORE_RESULT_ERROR);
 	}
 
 	if (!PyLong_Check(pyret))
 		fatal("python_runtime_onload: unexpected return type");
 
 	ret = (int)PyLong_AsLong(pyret);
 	Py_DECREF(pyret);
 
 	return (ret);
 }
 
 static void
 python_runtime_connect(void *addr, struct connection *c)
 {
 	PyObject	*pyc, *pyret, *args, *callable;
 
 	callable = (PyObject *)addr;
 
 	if ((pyc = pyconnection_alloc(c)) == NULL)
 		fatal("python_runtime_connect: pyc alloc failed");
 
 	if ((args = PyTuple_New(1)) == NULL)
 		fatal("python_runtime_connect: PyTuple_New failed");
 
 	if (PyTuple_SetItem(args, 0, pyc) != 0)
 		fatal("python_runtime_connect: PyTuple_SetItem failed");
 
 	PyErr_Clear();
 	pyret = PyObject_Call(callable, args, NULL);
 	Py_DECREF(args);
 
 	if (pyret == NULL) {
 		kore_python_log_error("python_runtime_connect");
 		kore_connection_disconnect(c);
 	}
 
 	Py_DECREF(pyret);
 }
 
 static void
 python_runtime_signal(void *addr, int sig)
 {
 	PyObject	*obj, *ret;
 
 	if ((obj = Py_BuildValue("i", sig)) == NULL) {
 		kore_python_log_error("python_runtime_signal");
 		return;
 	}
 
 	ret = PyObject_CallFunctionObjArgs(addr, obj, NULL);
 
 	Py_DECREF(obj);
 	Py_XDECREF(ret);
 }
 
 PyMODINIT_FUNC
 python_module_init(void)
 {
 	int			i;
 	struct pyconfig		*config;
 	PyObject		*pykore;
 
 	if ((pykore = PyModule_Create(&pykore_module)) == NULL)
 		fatal("python_module_init: failed to setup pykore module");
 
 	python_push_type("pyproc", pykore, &pyproc_type);
 	python_push_type("pylock", pykore, &pylock_type);
 	python_push_type("pytimer", pykore, &pytimer_type);
 	python_push_type("pyqueue", pykore, &pyqueue_type);
 	python_push_type("pyroute", pykore, &pyroute_type);
 	python_push_type("pysocket", pykore, &pysocket_type);
 	python_push_type("pydomain", pykore, &pydomain_type);
 	python_push_type("pyconnection", pykore, &pyconnection_type);
 
 #if defined(__linux__)
 	python_push_type("pyseccomp", pykore, &pyseccomp_type);
 #endif
 
 #if defined(KORE_USE_CURL)
 	python_push_type("pycurlhandle", pykore, &pycurl_handle_type);
 	python_push_type("pyhttpclient", pykore, &pyhttp_client_type);
 
 	for (i = 0; py_curlopt[i].name != NULL; i++) {
 		python_push_integer(pykore, py_curlopt[i].name,
 		    py_curlopt[i].value);
 	}
 #endif
 
 	python_push_type("pyhttp_file", pykore, &pyhttp_file_type);
 	python_push_type("pyhttp_request", pykore, &pyhttp_request_type);
 
 	for (i = 0; python_integers[i].symbol != NULL; i++) {
 		python_push_integer(pykore, python_integers[i].symbol,
 		    python_integers[i].value);
 	}
 
 	if ((config = PyObject_New(struct pyconfig, &pyconfig_type)) == NULL)
 		fatal("failed to create config object");
 
 	if (PyObject_SetAttrString(pykore, "config", (PyObject *)config) == -1)
 		fatal("failed to add config object");
 
 	return (pykore);
 }
 
 static int
 pyconfig_setattr(PyObject *self, PyObject *attr, PyObject *val)
 {
 	char		*v;
 	int		ret;
 	PyObject	*repr;
 	const char	*name, *value;
 
 	ret = -1;
 	repr = NULL;
 
 	if (!PyUnicode_Check(attr))
 		fatal("setattr: attribute name not a unicode string");
 
 	if (PyLong_CheckExact(val)) {
 		if ((repr = PyObject_Repr(val)) == NULL)
 			return (-1);
 		value = PyUnicode_AsUTF8(repr);
 	} else if (PyUnicode_CheckExact(val)) {
 		value = PyUnicode_AsUTF8(val);
 	} else if (PyBool_Check(val)) {
 		if (val == Py_False)
 			value = "False";
 		else
 			value = "True";
 	} else {
 		fatal("invalid object, config expects integer, bool or string");
 	}
 
 	name = PyUnicode_AsUTF8(attr);
 	v = kore_strdup(value);
 
 	if (!kore_configure_setting(name, v)) {
 		ret = -1;
 		PyErr_SetString(PyExc_RuntimeError,
 		    "configured cannot be changed at runtime");
 	} else {
 		ret = 0;
 	}
 
 	kore_free(v);
 
 	Py_XDECREF(repr);
 
 	return (ret);
 }
 
 static void
 python_append_path(const char *path)
 {
 	PyObject	*mpath, *spath;
 
 	if ((mpath = PyUnicode_FromString(path)) == NULL)
 		fatal("python_append_path: PyUnicode_FromString failed");
 
 	if ((spath = PySys_GetObject("path")) == NULL)
 		fatal("python_append_path: PySys_GetObject failed");
 
 	PyList_Append(spath, mpath);
 	Py_DECREF(mpath);
 }
 
 static void
 python_push_type(const char *name, PyObject *module, PyTypeObject *type)
 {
 	if (PyType_Ready(type) == -1)
 		fatal("python_push_type: failed to ready %s", name);
 
 	Py_INCREF(type);
 
 	if (PyModule_AddObject(module, name, (PyObject *)type) == -1)
 		fatal("python_push_type: failed to push %s", name);
 }
 
 static void
 python_push_integer(PyObject *module, const char *name, long value)
 {
 	if (PyModule_AddIntConstant(module, name, value) == -1)
 		fatal("python_push_integer: failed to add %s", name);
 }
 
 #if defined(KORE_USE_PGSQL)
 static PyObject *
 python_kore_pgsql_register(PyObject *self, PyObject *args)
 {
 	const char	*db, *conninfo;
 
 	if (!PyArg_ParseTuple(args, "ss", &db, &conninfo))
 		return (NULL);
 
 	(void)kore_pgsql_register(db, conninfo);
 
 	Py_RETURN_TRUE;
 }
 #endif
 
 static PyObject *
 python_kore_app(PyObject *self, PyObject *args)
 {
 	PyObject	*obj;
 
 	if (!PyArg_ParseTuple(args, "O", &obj)) {
 		PyErr_Clear();
 
 		if (kore_app == NULL)
 			Py_RETURN_NONE;
 
 		Py_INCREF(kore_app);
 		return (kore_app);
 	}
 
 	Py_XDECREF(kore_app);
 
 	kore_app = obj;
 	Py_INCREF(kore_app);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_kore_log(PyObject *self, PyObject *args)
 {
 	int		prio;
 	const char	*message;
 
 	if (!PyArg_ParseTuple(args, "is", &prio, &message))
 		return (NULL);
 
 	kore_log(prio, "%s", message);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_kore_time(PyObject *self, PyObject *args)
 {
 	u_int64_t	now;
 
 	now = kore_time_ms();
 
 	return (PyLong_FromUnsignedLongLong(now));
 }
 
 static PyObject *
 python_kore_server(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	struct kore_server	*srv;
 	const char		*name, *ip, *port, *path;
 
 	if (kwargs == NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "missing keyword args");
 		return (NULL);
 	}
 
 	ip = python_string_from_dict(kwargs, "ip");
 	path = python_string_from_dict(kwargs, "path");
 
 	if (ip == NULL && path == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "missing ip or path keywords");
 		return (NULL);
 	}
 
 	if (ip != NULL && path != NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "ip/path are exclusive");
 		return (NULL);
 	}
 
 	name = python_string_from_dict(kwargs, "name");
 	if (name == NULL)
 		name = "default";
 
 	if ((srv = kore_server_lookup(name)) != NULL) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "server '%s' already exist", name);
 		return (NULL);
 	}
 
 	srv = kore_server_create(name);
 	python_bool_from_dict(kwargs, "tls", &srv->tls);
 
 	if (srv->tls && !kore_tls_supported()) {
 		kore_server_free(srv);
 		PyErr_SetString(PyExc_RuntimeError,
 		    "TLS not supported in this Kore build");
 		return (NULL);
 	}
 
 	if (ip != NULL) {
 		if ((port = python_string_from_dict(kwargs, "port")) == NULL) {
 			kore_server_free(srv);
 			PyErr_SetString(PyExc_RuntimeError,
 			    "missing or invalid 'port' keyword");
 			return (NULL);
 		}
 
 		if (!kore_server_bind(srv, ip, port, NULL)) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "failed to bind to '%s:%s'", ip, port);
 			return (NULL);
 		}
 	} else {
 		if (!kore_server_bind_unix(srv, path, NULL)) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "failed to bind to '%s'", path);
 			return (NULL);
 		}
 	}
 
 	kore_server_finalize(srv);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 python_kore_privsep(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	struct kore_privsep	*ps;
 	const char		*val;
 	PyObject		*skip, *obj;
 	Py_ssize_t		list_len, idx;
 
 	if (!PyArg_ParseTuple(args, "s", &val))
 		return (NULL);
 
 	if (!strcmp(val, "worker")) {
 		ps = &worker_privsep;
 	} else if (!strcmp(val, "keymgr")) {
 		ps = &keymgr_privsep;
 #if defined(KORE_USE_ACME)
 	} else if (!strcmp(val, "acme")) {
 		ps = &acme_privsep;
 #endif
 	} else {
 		PyErr_Format(PyExc_RuntimeError,
 		    "unknown privsep process '%s'", val);
 		return (NULL);
 	}
 
 	if ((val = python_string_from_dict(kwargs, "root")) != NULL) {
 		kore_free(ps->root);
 		ps->root = kore_strdup(val);
 	}
 
 	if ((val = python_string_from_dict(kwargs, "runas")) != NULL) {
 		kore_free(ps->runas);
 		ps->runas = kore_strdup(val);
 	}
 
 	if ((skip = PyDict_GetItemString(kwargs, "skip")) != NULL) {
 		if (!PyList_CheckExact(skip)) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "privsep skip keyword needs to be a list");
 			return (NULL);
 		}
 
 		list_len = PyList_Size(skip);
 
 		for (idx = 0; idx < list_len; idx++) {
 			if ((obj = PyList_GetItem(skip, idx)) == NULL)
 				return (NULL);
 
 			if (!PyUnicode_Check(obj))
 				return (NULL);
 
 			if ((val = PyUnicode_AsUTF8AndSize(obj, NULL)) == NULL)
 				return (NULL);
 
 			if (!strcmp(val, "chroot")) {
 				ps->skip_chroot = 1;
 			} else {
 				PyErr_Format(PyExc_RuntimeError,
 				    "unknown skip keyword '%s'", val);
 				return (NULL);
 			}
 		}
 	}
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 python_kore_prerequest(PyObject *self, PyObject *args)
 {
 	PyObject		*f;
 	struct reqcall		*rq;
 
 	if (!PyArg_ParseTuple(args, "O", &f))
 		return (NULL);
 
 	rq = kore_calloc(1, sizeof(*rq));
 	rq->f = f;
 
 	Py_INCREF(f);
 	TAILQ_INSERT_TAIL(&prereq, rq, list);
 
 	return (f);
 }
 
 static PyObject *
 python_kore_task_create(PyObject *self, PyObject *args)
 {
 	PyObject		*obj;
 	struct python_coro	*coro;
 
 	if (!PyArg_ParseTuple(args, "O", &obj))
 		return (NULL);
 
 	if (!PyCoro_CheckExact(obj))
 		fatal("%s: object is not a coroutine", __func__);
 
 	coro = python_coro_create(obj, NULL);
 	Py_INCREF(obj);
 
 	return (PyLong_FromUnsignedLongLong(coro->id));
 }
 
 static PyObject *
 python_kore_task_id(PyObject *self, PyObject *args)
 {
 	if (coro_running == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "no coroutine active");
 		return (NULL);
 	}
 
 	return (PyLong_FromUnsignedLongLong(coro_running->id));
 }
 
 static PyObject *
 python_kore_task_kill(PyObject *self, PyObject *args)
 {
 	u_int64_t		id;
 	struct python_coro	*coro, *active;
 
 	if (!PyArg_ParseTuple(args, "K", &id))
 		return (NULL);
 
 	if (coro_running != NULL && coro_running->id == id) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "refusing to kill active coroutine");
 		return (NULL);
 	}
 
 	/* Remember active coro, as delete sets coro_running to NULL. */
 	active = coro_running;
 
 	TAILQ_FOREACH(coro, &coro_runnable, list) {
 		if (coro->id == id) {
 			coro->killed++;
 			kore_python_coro_delete(coro);
 			coro_running = active;
 			Py_RETURN_TRUE;
 		}
 	}
 
 	TAILQ_FOREACH(coro, &coro_suspended, list) {
 		if (coro->id == id) {
 			coro->killed++;
 			kore_python_coro_delete(coro);
 			coro_running = active;
 			Py_RETURN_TRUE;
 		}
 	}
 
 	Py_RETURN_FALSE;
 }
 
 static PyObject *
 python_kore_socket_wrap(PyObject *self, PyObject *args)
 {
 	struct pysocket		*sock;
 	PyObject		*pysock, *pyfd, *pyfam, *pyproto;
 
 	sock = NULL;
 	pyfd = NULL;
 	pyfam = NULL;
 	pyproto = NULL;
 
 	if (!PyArg_ParseTuple(args, "O", &pysock))
 		return (NULL);
 
 	if ((pyfd = PyObject_CallMethod(pysock, "fileno", NULL)) == NULL)
 		return (NULL);
 
 	if ((pyfam = PyObject_GetAttrString(pysock, "family")) == NULL)
 		goto out;
 
 	if ((pyproto = PyObject_GetAttrString(pysock, "proto")) == NULL)
 		goto out;
 
 	if ((sock = pysocket_alloc()) == NULL)
 		goto out;
 
 	sock->socket = pysock;
 	Py_INCREF(sock->socket);
 
 	sock->fd = (int)PyLong_AsLong(pyfd);
 	sock->family = (int)PyLong_AsLong(pyfam);
 	sock->protocol = (int)PyLong_AsLong(pyproto);
 
 	memset(&sock->addr, 0, sizeof(sock->addr));
 
 	switch (sock->family) {
 	case AF_INET:
 	case AF_UNIX:
 		break;
 	default:
 		PyErr_SetString(PyExc_RuntimeError, "unsupported family");
 		Py_DECREF((PyObject *)sock);
 		sock = NULL;
 		goto out;
 	}
 
 out:
 	Py_XDECREF(pyfd);
 	Py_XDECREF(pyfam);
 	Py_XDECREF(pyproto);
 
 	return ((PyObject *)sock);
 }
 
 static PyObject *
 python_kore_queue(PyObject *self, PyObject *args)
 {
 	struct pyqueue		*queue;
 
 	if ((queue = PyObject_New(struct pyqueue, &pyqueue_type)) == NULL)
 		return (NULL);
 
 	TAILQ_INIT(&queue->objects);
 	TAILQ_INIT(&queue->waiting);
 
 	return ((PyObject *)queue);
 }
 
 static PyObject *
 python_kore_worker(PyObject *self, PyObject *args)
 {
 	if (worker == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	return (PyLong_FromLong(worker->id));
 }
 
 static PyObject *
 python_kore_tracer(PyObject *self, PyObject *args)
 {
 	PyObject		*obj;
 
 	if (python_tracer != NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "tracer already set");
 		return (NULL);
 	}
 
 	if (!PyArg_ParseTuple(args, "O", &obj))
 		return (NULL);
 
 	if (!PyCallable_Check(obj)) {
 		PyErr_SetString(PyExc_RuntimeError, "object not callable");
 		Py_DECREF(obj);
 		return (NULL);
 	}
 
 	Py_INCREF(obj);
 	python_tracer = obj;
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_kore_domain(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 #if defined(KORE_USE_ACME)
 	int			acme;
 	char			*acert, *akey;
 #endif
 	struct kore_server	*srv;
 	long			depth;
 	const char		*name;
 	struct pydomain		*domain;
 	const char		*cert, *key, *ca, *attach;
 
 	ca = NULL;
 	depth = -1;
 	key = NULL;
 	cert = NULL;
 	attach = NULL;
 
 #if defined(KORE_USE_ACME)
 	acme = 0;
 #endif
 
 	if (!PyArg_ParseTuple(args, "s", &name))
 		return (NULL);
 
 	if (kwargs != NULL)
 		attach = python_string_from_dict(kwargs, "attach");
 
 	if (attach == NULL)
 		attach = "default";
 
 	if ((srv = kore_server_lookup(attach)) == NULL) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "server '%s' does not exist", attach);
 		return (NULL);
 	}
 
 	if (srv->tls) {
 		if (kwargs == NULL) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "no keywords for TLS enabled domain %s", name);
 			return (NULL);
 		}
 		key = python_string_from_dict(kwargs, "key");
 		cert = python_string_from_dict(kwargs, "cert");
 
 #if defined(KORE_USE_ACME)
 		python_bool_from_dict(kwargs, "acme", &acme);
 
 		if (acme) {
 			kore_acme_get_paths(name, &akey, &acert);
 			acme_domains++;
 			key = akey;
 			cert = acert;
 		}
 #endif
 
 		if (key == NULL || cert == NULL) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "missing key or cert keywords for TLS listener");
 			return (NULL);
 		}
 
 		ca = python_string_from_dict(kwargs, "client_verify");
 		if (ca != NULL) {
 			python_long_from_dict(kwargs, "verify_depth", &depth);
 			if (depth < 0) {
 				PyErr_Format(PyExc_RuntimeError,
 				    "invalid depth '%d'", depth);
 				return (NULL);
 			}
 		}
 	} else if (key != NULL || cert != NULL || ca != NULL) {
 		kore_log(LOG_INFO, "ignoring tls settings for '%s'", name);
 	}
 
 	if (kore_domain_lookup(srv, name) != NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "domain exists");
 		return (NULL);
 	}
 
 	if ((domain = PyObject_New(struct pydomain, &pydomain_type)) == NULL)
 		return (NULL);
 
 	domain->next = NULL;
 	domain->kwargs = NULL;
 
 	if ((domain->config = kore_domain_new(name)) == NULL)
 		fatal("failed to create new domain configuration");
 
 	if (!kore_domain_attach(domain->config, srv))
 		fatal("failed to attach domain configuration");
 
 	if (srv->tls) {
 		domain->config->certkey = kore_strdup(key);
 		domain->config->certfile = kore_strdup(cert);
 
 #if defined(KORE_USE_ACME)
 		domain->config->acme = acme;
 
 		if (domain->config->acme) {
 			kore_free(akey);
 			kore_free(acert);
 		}
 #endif
 		if (ca != NULL) {
 			domain->config->cafile = kore_strdup(ca);
 			domain->config->x509_verify_depth = depth;
 		}
 	}
 
 	return ((PyObject *)domain);
 }
 
 static PyObject *
 python_kore_route(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	const char		*path;
 	PyObject		*inner;
 	struct pyroute		*route;
 
 	if ((route = PyObject_New(struct pyroute, &pyroute_type)) == NULL)
 		return (NULL);
 
 	if (!PyArg_ParseTuple(args, "s", &path))
 		return (NULL);
 
 	route->domain = NULL;
 	route->kwargs = kwargs;
 	route->path = kore_strdup(path);
 
 	Py_XINCREF(route->kwargs);
 
 	inner = PyObject_GetAttrString((PyObject *)route, "inner");
 	if (inner == NULL) {
 		Py_DECREF((PyObject *)route);
 		PyErr_SetString(PyExc_RuntimeError, "failed to find inner");
 		return (NULL);
 	}
 
 	return (inner);
 }
 
 static PyObject *
 python_kore_gather(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	struct pygather_op	*op;
 	PyObject		*obj;
 	struct pygather_coro	*coro;
 	Py_ssize_t		sz, idx;
 	int			concurrency;
 
 	if (coro_running == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "kore.gather only available in coroutines");
 		return (NULL);
 	}
 
 	sz = PyTuple_Size(args);
 
 	if (sz > INT_MAX) {
 		PyErr_SetString(PyExc_TypeError, "too many arguments");
 		return (NULL);
 	}
 
 	if (kwargs != NULL &&
 	    (obj = PyDict_GetItemString(kwargs, "concurrency")) != NULL) {
 		if (!PyLong_Check(obj)) {
 			PyErr_SetString(PyExc_TypeError,
 			    "concurrency level must be an integer");
 			return (NULL);
 		}
 
 		PyErr_Clear();
 		concurrency = (int)PyLong_AsLong(obj);
 		if (concurrency == -1 && PyErr_Occurred())
 			return (NULL);
 
 		if (concurrency == 0)
 			concurrency = sz;
 	} else {
 		concurrency = sz;
 	}
 
 	op = PyObject_New(struct pygather_op, &pygather_op_type);
 	if (op == NULL)
 		return (NULL);
 
 	op->running = 0;
 	op->count = (int)sz;
 	op->coro = coro_running;
 	op->concurrency = concurrency;
 
 	TAILQ_INIT(&op->results);
 	TAILQ_INIT(&op->coroutines);
 
 	for (idx = 0; idx < sz; idx++) {
 		if ((obj = PyTuple_GetItem(args, idx)) == NULL) {
 			Py_DECREF((PyObject *)op);
 			return (NULL);
 		}
 
 		if (!PyCoro_CheckExact(obj)) {
 			Py_DECREF((PyObject *)op);
 			PyErr_SetString(PyExc_TypeError, "not a coroutine");
 			return (NULL);
 		}
 
 		Py_INCREF(obj);
 
 		coro = kore_pool_get(&gather_coro_pool);
 		coro->coro = python_coro_create(obj, NULL);
 		coro->coro->gatherop = op;
 		TAILQ_INSERT_TAIL(&op->coroutines, coro, list);
 
 		if (idx > concurrency - 1)
 			python_coro_suspend(coro->coro);
 		else
 			op->running++;
 	}
 
 	return ((PyObject *)op);
 }
 
 static PyObject *
 python_kore_lock(PyObject *self, PyObject *args)
 {
 	struct pylock		*lock;
 
 	if ((lock = PyObject_New(struct pylock, &pylock_type)) == NULL)
 		return (NULL);
 
 	lock->owner = NULL;
 	TAILQ_INIT(&lock->ops);
 
 	return ((PyObject *)lock);
 }
 
 static PyObject *
 python_kore_fatal(PyObject *self, PyObject *args)
 {
 	const char	*reason;
 
 	if (!PyArg_ParseTuple(args, "s", &reason))
 		reason = "python_kore_fatal: PyArg_ParseTuple failed";
 
 	fatal("%s", reason);
 
 	/* not reached */
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_kore_fatalx(PyObject *self, PyObject *args)
 {
 	const char	*reason;
 
 	if (!PyArg_ParseTuple(args, "s", &reason))
 		reason = "python_kore_fatalx: PyArg_ParseTuple failed";
 
 	fatalx("%s", reason);
 
 	/* not reached */
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_kore_setname(PyObject *self, PyObject *args)
 {
 	const char	*name;
 	extern char	*kore_progname;
 
 	if (!PyArg_ParseTuple(args, "s", &name))
 		return (NULL);
 
 	kore_free(kore_progname);
 	kore_progname = kore_strdup(name);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 python_kore_sigtrap(PyObject *self, PyObject *args)
 {
 	int		sig;
 
 	if (!PyArg_ParseTuple(args, "i", &sig))
 		return (NULL);
 
 	kore_signal_trap(sig);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 python_kore_sendobj(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	long		val;
 	u_int16_t	dst;
 	char		*ptr;
 	Py_ssize_t	length;
 	PyObject	*object, *bytes;
 
 	if (!PyArg_ParseTuple(args, "O", &object))
 		return (NULL);
 
 	bytes = PyObject_CallFunctionObjArgs(pickle_dumps, object, NULL);
 	if (bytes == NULL)
 		return (NULL);
 
 	if (PyBytes_AsStringAndSize(bytes, &ptr, &length) == -1) {
 		Py_DECREF(bytes);
 		return (NULL);
 	}
 
 	dst = KORE_MSG_WORKER_ALL;
 
 	if (kwargs != NULL) {
 		if (python_long_from_dict(kwargs, "worker", &val)) {
 			if (val <= 0 || val > worker_count ||
 			    val >= KORE_WORKER_MAX) {
 				PyErr_Format(PyExc_RuntimeError,
 				    "worker %ld invalid", val);
 				Py_DECREF(bytes);
 				return (NULL);
 			}
 
 			dst = val;
 		}
 	}
 
 	kore_msg_send(dst, KORE_PYTHON_SEND_OBJ, ptr, length);
 	Py_DECREF(bytes);
 
 	Py_RETURN_NONE;
 }
 
 static void
 python_kore_recvobj(struct kore_msg *msg, const void *data)
 {
 	struct kore_runtime	*rt;
 	PyObject		*onmsg, *ret, *bytes, *obj;
 
 	if ((onmsg = kore_module_getsym("koreapp.onmsg", &rt)) == NULL)
 		return;
 
 	if (rt->type != KORE_RUNTIME_PYTHON)
 		return;
 
 	if ((bytes = PyBytes_FromStringAndSize(data, msg->length)) == NULL) {
 		Py_DECREF(onmsg);
 		kore_python_log_error("koreapp.onmsg");
 		return;
 	}
 
 	obj = PyObject_CallFunctionObjArgs(pickle_loads, bytes, NULL);
 	Py_DECREF(bytes);
 
 	if (obj == NULL) {
 		Py_DECREF(onmsg);
 		kore_python_log_error("koreapp.onmsg");
 		return;
 	}
 
 	ret = PyObject_CallFunctionObjArgs(onmsg, obj, NULL);
 	kore_python_log_error("koreapp.onmsg");
 
 	Py_DECREF(obj);
 	Py_DECREF(onmsg);
 	Py_XDECREF(ret);
 }
 
 static PyObject *
 python_kore_suspend(PyObject *self, PyObject *args)
 {
 	struct pysuspend_op	*op;
 	int			delay;
 
 	if (!PyArg_ParseTuple(args, "i", &delay))
 		return (NULL);
 
 	op = PyObject_New(struct pysuspend_op, &pysuspend_op_type);
 	if (op == NULL)
 		return (NULL);
 
 	op->timer = NULL;
 	op->delay = delay;
 	op->coro = coro_running;
 	op->state = PYSUSPEND_OP_INIT;
 
 	return ((PyObject *)op);
 }
 
 static PyObject *
 python_kore_shutdown(PyObject *self, PyObject *args)
 {
 	kore_shutdown();
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_kore_coroname(PyObject *self, PyObject *args)
 {
 	const char		*name;
 
 	if (coro_running == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "kore.coroname() only available in coroutines");
 		return (NULL);
 	}
 
 	if (!PyArg_ParseTuple(args, "s", &name))
 		return (NULL);
 
 	kore_free(coro_running->name);
 	coro_running->name = kore_strdup(name);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 python_kore_corotrace(PyObject *self, PyObject *args)
 {
 	if (!PyArg_ParseTuple(args, "b", &coro_tracing))
 		return (NULL);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 python_kore_timer(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	u_int64_t		ms;
 	PyObject		*obj;
 	int			flags;
 	struct pytimer		*timer;
 
 	if (worker == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "kore.timer not supported on parent process");
 		return (NULL);
 	}
 
 	if (!PyArg_ParseTuple(args, "OKi", &obj, &ms, &flags))
 		return (NULL);
 
 	if (flags & ~(KORE_TIMER_FLAGS)) {
 		PyErr_SetString(PyExc_RuntimeError, "invalid flags");
 		return (NULL);
 	}
 
 	if ((timer = PyObject_New(struct pytimer, &pytimer_type)) == NULL)
 		return (NULL);
 
 	timer->udata = NULL;
 	timer->flags = flags;
 	timer->callable = obj;
 	timer->run = kore_timer_add(pytimer_run, ms, timer, flags);
 
 	Py_INCREF((PyObject *)timer);
 	Py_INCREF(timer->callable);
 
 	if (kwargs != NULL) {
 		if ((obj = PyDict_GetItemString(kwargs, "data")) != NULL) {
 			Py_INCREF(obj);
 			timer->udata = obj;
 		}
 	}
 
 	return ((PyObject *)timer);
 }
 
 static PyObject *
 python_kore_proc(PyObject *self, PyObject *args)
 {
 	const char		*cmd;
 	struct pyproc		*proc;
 	char			*copy, *argv[32], *env[1];
 	int			timeo, in_pipe[2], out_pipe[2];
 
 	timeo = -1;
 
 	if (coro_running == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "kore.proc only available in coroutines");
 		return (NULL);
 	}
 
 	if (!PyArg_ParseTuple(args, "s|i", &cmd, &timeo))
 		return (NULL);
 
 	if (pipe(in_pipe) == -1) {
 		PyErr_SetString(PyExc_RuntimeError, errno_s);
 		return (NULL);
 	}
 
 	if (pipe(out_pipe) == -1) {
 		close(in_pipe[0]);
 		close(in_pipe[1]);
 		PyErr_SetString(PyExc_RuntimeError, errno_s);
 		return (NULL);
 	}
 
 	if ((proc = PyObject_New(struct pyproc, &pyproc_type)) == NULL) {
 		close(in_pipe[0]);
 		close(in_pipe[1]);
 		close(out_pipe[0]);
 		close(out_pipe[1]);
 		return (NULL);
 	}
 
 	proc->pid = -1;
 	proc->op = NULL;
 	proc->apid = -1;
 	proc->reaped = 0;
 	proc->status = 0;
 	proc->timer = NULL;
 	proc->coro = coro_running;
 	proc->in = pysocket_alloc();
 	proc->out = pysocket_alloc();
 
 	if (proc->in == NULL || proc->out == NULL) {
 		Py_DECREF((PyObject *)proc);
 		return (NULL);
 	}
 
 	TAILQ_INSERT_TAIL(&procs, proc, list);
 
 	proc->pid = fork();
 	if (proc->pid == -1) {
 		if (errno == ENOSYS) {
 			Py_DECREF((PyObject *)proc);
 			PyErr_SetString(PyExc_RuntimeError, errno_s);
 			return (NULL);
 		}
 		fatal("python_kore_proc: fork(): %s", errno_s);
 	}
 
 	if (proc->pid == 0) {
 		close(in_pipe[1]);
 		close(out_pipe[0]);
 
 		if (dup2(out_pipe[1], STDOUT_FILENO) == -1 ||
 		    dup2(out_pipe[1], STDERR_FILENO) == -1 ||
 		    dup2(in_pipe[0], STDIN_FILENO) == -1)
 			fatal("dup2: %s", errno_s);
 
 		env[0] = NULL;
 		copy = kore_strdup(cmd);
 		python_split_arguments(copy, argv, 32);
 
 		(void)execve(argv[0], argv, env);
 		kore_log(LOG_ERR, "kore.proc failed to execute %s (%s)",
 		    argv[0], errno_s);
 		exit(1);
 	}
 
 	close(in_pipe[0]);
 	close(out_pipe[1]);
 
 	if (!kore_connection_nonblock(in_pipe[1], 0) ||
 	    !kore_connection_nonblock(out_pipe[0], 0))
 		fatal("failed to mark kore.proc pipes are non-blocking");
 
 	proc->apid = proc->pid;
 	proc->in->fd = in_pipe[1];
 	proc->out->fd = out_pipe[0];
 
 	if (timeo != -1) {
 		proc->timer = kore_timer_add(pyproc_timeout,
 		    timeo, proc, KORE_TIMER_ONESHOT);
 	}
 
 	return ((PyObject *)proc);
 }
 
 static PyObject *
 python_import(const char *path)
 {
 	struct stat	st;
 	PyObject	*module;
 	char		*dir, *file, *copy, *p;
 
 	if (stat(path, &st) == -1)
 		fatal("python_import: stat(%s): %s", path, errno_s);
 
 	if (!S_ISDIR(st.st_mode) && !S_ISREG(st.st_mode))
 		fatal("python_import: '%s' is not a file or directory", path);
 
 	copy = kore_strdup(path);
 	if ((p = dirname(copy)) == NULL)
 		fatal("dirname: %s: %s", path, errno_s);
 
 	dir = kore_strdup(p);
 	kore_free(copy);
 
 	copy = kore_strdup(path);
 	if ((p = basename(copy)) == NULL)
 		fatal("basename: %s: %s", path, errno_s);
 
 	file = kore_strdup(p);
 	kore_free(copy);
 
 	if ((p = strrchr(file, '.')) != NULL)
 		*p = '\0';
 
 	python_append_path(dir);
 
 	if (S_ISDIR(st.st_mode))
 		python_append_path(path);
 
 	module = PyImport_ImportModule(file);
 	if (module == NULL)
 		PyErr_Print();
 
 	kore_free(dir);
 	kore_free(file);
 
 	return (module);
 }
 
 static PyObject *
 python_callable(PyObject *module, const char *symbol)
 {
 	char		*base, *method;
 	PyObject	*res, *obj, *meth;
 
 	res = NULL;
 	obj = NULL;
 	base = kore_strdup(symbol);
 
 	if ((method = strchr(base, '.')) != NULL)
 		*(method)++ = '\0';
 
 	if ((obj = PyObject_GetAttrString(module, base)) == NULL)
 		goto out;
 
 	if (method != NULL) {
 		if ((meth = PyObject_GetAttrString(obj, method)) == NULL)
 			goto out;
 
 		Py_DECREF(obj);
 		obj = meth;
 	}
 
 	if (!PyCallable_Check(obj))
 		goto out;
 
 	res = obj;
 	obj = NULL;
 
 out:
 	if (obj != NULL)
 		Py_DECREF(obj);
 
 	PyErr_Clear();
 	kore_free(base);
 
 	return (res);
 }
 
 static PyObject *
 pyconnection_alloc(struct connection *c)
 {
 	struct pyconnection		*pyc;
 
 	pyc = PyObject_New(struct pyconnection, &pyconnection_type);
 	if (pyc == NULL)
 		return (NULL);
 
 	pyc->c = c;
 
 	return ((PyObject *)pyc);
 }
 
 static PyObject *
 pyconnection_disconnect(struct pyconnection *pyc, PyObject *args)
 {
 	kore_connection_disconnect(pyc->c);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyconnection_get_fd(struct pyconnection *pyc, void *closure)
 {
 	PyObject	*fd;
 
 	if ((fd = PyLong_FromLong(pyc->c->fd)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (fd);
 }
 
 static PyObject *
 pyconnection_get_addr(struct pyconnection *pyc, void *closure)
 {
 	void		*ptr;
 	PyObject	*result;
 	char		addr[INET6_ADDRSTRLEN];
 
 	switch (pyc->c->family) {
 	case AF_INET:
 		ptr = &pyc->c->addr.ipv4.sin_addr;
 		break;
 	case AF_INET6:
 		ptr = &pyc->c->addr.ipv6.sin6_addr;
 		break;
 	default:
 		PyErr_SetString(PyExc_RuntimeError, "invalid family");
 		return (NULL);
 	}
 
 	if (inet_ntop(pyc->c->family, ptr, addr, sizeof(addr)) == NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "inet_ntop failed");
 		return (NULL);
 	}
 
 	if ((result = PyUnicode_FromString(addr)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (result);
 }
 
 static PyObject *
 pyconnection_get_peer_x509(struct pyconnection *pyc, void *closure)
 {
 	size_t		len;
 	u_int8_t	*der;
 	PyObject	*bytes;
 
 	if (pyc->c->tls_cert == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	if (!kore_tls_x509_data(pyc->c, &der, &len)) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "failed to obtain certificate data");
 		return (NULL);
 	}
 
 	bytes = PyBytes_FromStringAndSize((char *)der, len);
 	kore_free(der);
 
 	return (bytes);
 }
 
 static PyObject *
 pyconnection_get_peer_x509dict(struct pyconnection *pyc, void *closure)
 {
 	KORE_X509_NAMES	*name;
 	PyObject	*dict, *issuer, *subject, *ret;
 
 	ret = NULL;
 	issuer = NULL;
 	subject = NULL;
 
 	if (pyc->c->tls_cert == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	if ((dict = PyDict_New()) == NULL)
 		goto out;
 
 	if ((issuer = PyDict_New()) == NULL)
 		goto out;
 
 	if (PyDict_SetItemString(dict, "issuer", issuer) == -1)
 		goto out;
 
 	if ((subject = PyDict_New()) == NULL)
 		goto out;
 
 	if (PyDict_SetItemString(dict, "subject", subject) == -1)
 		goto out;
 
 	PyErr_Clear();
 
 	if ((name = kore_tls_x509_subject_name(pyc->c)) == NULL) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "failed to obtain x509 subjectName");
 		goto out;
 	}
 
 	if (!kore_tls_x509name_foreach(name, 0, subject,
 	    pyconnection_x509_cb)) {
 		if (PyErr_Occurred() == NULL) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "failed to add subject name to dictionary");
 		}
 		goto out;
 	}
 
 	if ((name = kore_tls_x509_issuer_name(pyc->c)) == NULL) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "failed to obtain x509 issuerName");
 		goto out;
 	}
 
 	if (!kore_tls_x509name_foreach(name, 0, issuer, pyconnection_x509_cb)) {
 		if (PyErr_Occurred() == NULL) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "failed to add issuer name to dictionary");
 		}
 		goto out;
 	}
 
 	ret = dict;
 	dict = NULL;
 
 out:
 	Py_XDECREF(dict);
 	Py_XDECREF(issuer);
 	Py_XDECREF(subject);
 
 	return (ret);
 }
 
 static int
 pyconnection_x509_cb(void *udata, int islast, int nid, const char *field,
     const void *data, size_t len, int flags)
 {
 	PyObject	*dict, *obj;
 
 	dict = udata;
 
 	if ((obj = PyUnicode_FromStringAndSize(data, len)) == NULL)
 		return (KORE_RESULT_ERROR);
 
 	if (PyDict_SetItemString(dict, field, obj) == -1) {
 		Py_DECREF(obj);
 		return (KORE_RESULT_ERROR);
 	}
 
 	Py_DECREF(obj);
 	return (KORE_RESULT_OK);
 }
 
 static void
 pytimer_run(void *arg, u_int64_t now)
 {
 	PyObject	*ret;
 	struct pytimer	*timer = arg;
 
 	PyErr_Clear();
 	ret = PyObject_CallFunctionObjArgs(timer->callable, timer->udata, NULL);
 	Py_XDECREF(ret);
 	Py_XDECREF(timer->udata);
 
 	timer->udata = NULL;
 	kore_python_log_error("pytimer_run");
 
 	if (timer->flags & KORE_TIMER_ONESHOT) {
 		timer->run = NULL;
 		Py_DECREF((PyObject *)timer);
 	}
 }
 
 static void
 pytimer_dealloc(struct pytimer *timer)
 {
 	if (timer->run != NULL) {
 		kore_timer_remove(timer->run);
 		timer->run = NULL;
 	}
 
 	if (timer->callable != NULL) {
 		Py_DECREF(timer->callable);
 		timer->callable = NULL;
 	}
 
 	PyObject_Del((PyObject *)timer);
 }
 
 static PyObject *
 pytimer_close(struct pytimer *timer, PyObject *args)
 {
 	if (timer->run != NULL) {
 		kore_timer_remove(timer->run);
 		timer->run = NULL;
 	}
 
 	if (timer->callable != NULL) {
 		Py_DECREF(timer->callable);
 		timer->callable = NULL;
 	}
 
 	if (timer->udata != NULL) {
 		Py_DECREF(timer->udata);
 		timer->udata = NULL;
 	}
 
 	Py_INCREF((PyObject *)timer);
 	Py_RETURN_TRUE;
 }
 
 static void
 pysuspend_op_dealloc(struct pysuspend_op *op)
 {
 	if (op->timer != NULL) {
 		kore_timer_remove(op->timer);
 		op->timer = NULL;
 	}
 
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pysuspend_op_await(PyObject *sop)
 {
 	Py_INCREF(sop);
 	return (sop);
 }
 
 static PyObject *
 pysuspend_op_iternext(struct pysuspend_op *op)
 {
 	switch (op->state) {
 	case PYSUSPEND_OP_INIT:
 		op->timer = kore_timer_add(pysuspend_wakeup, op->delay,
 		    op, KORE_TIMER_ONESHOT);
 		op->state = PYSUSPEND_OP_WAIT;
 		break;
 	case PYSUSPEND_OP_WAIT:
 		break;
 	case PYSUSPEND_OP_CONTINUE:
 		PyErr_SetNone(PyExc_StopIteration);
 		return (NULL);
 	default:
 		fatal("unknown state %d for pysuspend_op", op->state);
 	}
 
 	Py_RETURN_NONE;
 }
 
 static void
 pysuspend_wakeup(void *arg, u_int64_t now)
 {
 	struct pysuspend_op	*op = arg;
 
 	op->timer = NULL;
 	op->state = PYSUSPEND_OP_CONTINUE;
 
 	if (op->coro->request != NULL)
 		http_request_wakeup(op->coro->request);
 	else
 		python_coro_wakeup(op->coro);
 }
 
 static struct pysocket *
 pysocket_alloc(void)
 {
 	struct pysocket		*sock;
 
 	if ((sock = PyObject_New(struct pysocket, &pysocket_type)) == NULL)
 		return (NULL);
 
 	sock->fd = -1;
 	sock->family = -1;
 	sock->protocol = -1;
 	sock->scheduled = 0;
 
 	sock->socket = NULL;
 	sock->recvop = NULL;
 	sock->sendop = NULL;
 
 	sock->event.s = sock;
 	sock->event.evt.flags = 0;
 	sock->event.evt.type = KORE_TYPE_PYSOCKET;
 	sock->event.evt.handle = pysocket_evt_handle;
 
 	return (sock);
 }
 
 static void
 pysocket_dealloc(struct pysocket *sock)
 {
 	if (sock->scheduled && sock->fd != -1) {
 		kore_platform_disable_read(sock->fd);
 #if !defined(__linux__)
 		kore_platform_disable_write(sock->fd);
 #endif
 	}
 
 	if (sock->socket != NULL) {
 		Py_DECREF(sock->socket);
 	} else if (sock->fd != -1) {
 		(void)close(sock->fd);
 	}
 
 	PyObject_Del((PyObject *)sock);
 }
 
 static PyObject *
 pysocket_send(struct pysocket *sock, PyObject *args)
 {
 	Py_buffer	buf;
 	PyObject	*ret;
 
 	if (!PyArg_ParseTuple(args, "y*", &buf))
 		return (NULL);
 
 	ret = pysocket_op_create(sock, PYSOCKET_TYPE_SEND, buf.buf, buf.len);
 	PyBuffer_Release(&buf);
 
 	return (ret);
 }
 
 static PyObject *
 pysocket_sendto(struct pysocket *sock, PyObject *args)
 {
 	Py_buffer		buf;
 	struct pysocket_op	*op;
 	PyObject		*ret;
 	int			port;
 	const char		*ip, *sockaddr;
 
 	switch (sock->family) {
 	case AF_INET:
 		if (!PyArg_ParseTuple(args, "siy*", &ip, &port, &buf))
 			return (NULL);
 		if (port <= 0 || port >= USHRT_MAX) {
 			PyErr_SetString(PyExc_RuntimeError, "invalid port");
 			return (NULL);
 		}
 		break;
 	case AF_UNIX:
 		if (!PyArg_ParseTuple(args, "sy*", &sockaddr, &buf))
 			return (NULL);
 		break;
 	default:
 		PyErr_SetString(PyExc_RuntimeError, "unsupported family");
 		return (NULL);
 	}
 
 	ret = pysocket_op_create(sock, PYSOCKET_TYPE_SENDTO, buf.buf, buf.len);
 	PyBuffer_Release(&buf);
 
 	op = (struct pysocket_op *)ret;
 
 	switch (sock->family) {
 	case AF_INET:
 		op->sendaddr.ipv4.sin_family = AF_INET;
 		op->sendaddr.ipv4.sin_port = htons(port);
 		op->sendaddr.ipv4.sin_addr.s_addr = inet_addr(ip);
 		break;
 	case AF_UNIX:
 		op->sendaddr.sun.sun_family = AF_UNIX;
 		if (kore_strlcpy(op->sendaddr.sun.sun_path, sockaddr,
 		    sizeof(op->sendaddr.sun.sun_path)) >=
 		    sizeof(op->sendaddr.sun.sun_path)) {
 			Py_DECREF(ret);
 			PyErr_SetString(PyExc_RuntimeError,
 			    "unix socket path too long");
 			return (NULL);
 		}
 		break;
 	default:
 		Py_DECREF(ret);
 		PyErr_SetString(PyExc_RuntimeError, "unsupported family");
 		return (NULL);
 	}
 
 	return (ret);
 }
 
 static PyObject *
 pysocket_recv(struct pysocket *sock, PyObject *args)
 {
 	Py_ssize_t		len;
 	struct pysocket_op	*op;
 	PyObject		*obj;
 	int			timeo;
 
 	timeo = -1;
 
 	if (!PyArg_ParseTuple(args, "n|i", &len, &timeo))
 		return (NULL);
 
 	obj = pysocket_op_create(sock, PYSOCKET_TYPE_RECV, NULL, len);
 	if (obj == NULL)
 		return (NULL);
 
 	op = (struct pysocket_op *)obj;
 
 	if (timeo != -1) {
 		op->timer = kore_timer_add(pysocket_op_timeout,
 		    timeo, op, KORE_TIMER_ONESHOT);
 	}
 
 	return (obj);
 }
 
 static PyObject *
 pysocket_recvmsg(struct pysocket *sock, PyObject *args)
 {
 	Py_ssize_t	len;
 
 	if (!PyArg_ParseTuple(args, "n", &len))
 		return (NULL);
 
 	return (pysocket_op_create(sock, PYSOCKET_TYPE_RECVMSG, NULL, len));
 }
 
 static PyObject *
 pysocket_recvfrom(struct pysocket *sock, PyObject *args)
 {
 	Py_ssize_t	len;
 
 	if (!PyArg_ParseTuple(args, "n", &len))
 		return (NULL);
 
 	return (pysocket_op_create(sock, PYSOCKET_TYPE_RECVFROM, NULL, len));
 }
 
 static PyObject *
 pysocket_accept(struct pysocket *sock, PyObject *args)
 {
 	return (pysocket_op_create(sock, PYSOCKET_TYPE_ACCEPT, NULL, 0));
 }
 
 static PyObject *
 pysocket_connect(struct pysocket *sock, PyObject *args)
 {
 	const char		*host;
 	int			port, len;
 
 	port = 0;
 
 	if (!PyArg_ParseTuple(args, "s|i", &host, &port))
 		return (NULL);
 
 	if (port < 0 || port > USHRT_MAX) {
 		PyErr_SetString(PyExc_RuntimeError, "invalid port number");
 		return (NULL);
 	}
 
 	switch (sock->family) {
 	case AF_INET:
 		sock->addr.ipv4.sin_family = AF_INET;
 		sock->addr.ipv4.sin_port = htons(port);
 		if (inet_pton(sock->family, host,
 		    &sock->addr.ipv4.sin_addr) == -1) {
 			PyErr_SetString(PyExc_RuntimeError, "invalid host");
 			return (NULL);
 		}
 		sock->addr_len = sizeof(sock->addr.ipv4);
 		break;
 	case AF_UNIX:
 		sock->addr.sun.sun_family = AF_UNIX;
 		len = snprintf(sock->addr.sun.sun_path,
 		    sizeof(sock->addr.sun.sun_path), "%s", host);
 		if (len == -1 ||
 		    (size_t)len >= sizeof(sock->addr.sun.sun_path)) {
 			PyErr_SetString(PyExc_RuntimeError, "path too long");
 			return (NULL);
 		}
 #if defined(__linux__)
 		/* Assume abstract socket if prefixed with '@'. */
 		if (sock->addr.sun.sun_path[0] == '@')
 			sock->addr.sun.sun_path[0] = '\0';
 #endif
 		sock->addr_len = sizeof(sock->addr.sun.sun_family) + len;
 		break;
 	default:
 		fatal("unsupported socket family %d", sock->family);
 	}
 
 	return (pysocket_op_create(sock, PYSOCKET_TYPE_CONNECT, NULL, 0));
 }
 
 static PyObject *
 pysocket_close(struct pysocket *sock, PyObject *args)
 {
 	if (sock->scheduled) {
 		sock->scheduled = 0;
 		kore_platform_disable_read(sock->fd);
 #if !defined(__linux__)
 		kore_platform_disable_write(sock->fd);
 #endif
 	}
 
 	if (sock->socket != NULL) {
 		Py_DECREF(sock->socket);
 		sock->socket = NULL;
 	} else if (sock->fd != -1) {
 		(void)close(sock->fd);
 	}
 
 	sock->fd = -1;
 	sock->event.evt.handle(&sock->event, 1);
 
 	Py_RETURN_TRUE;
 }
 
 static void
 pysocket_op_dealloc(struct pysocket_op *op)
 {
 	if (op->type == PYSOCKET_TYPE_RECV ||
 	    op->type == PYSOCKET_TYPE_RECVMSG ||
 	    op->type == PYSOCKET_TYPE_RECVFROM ||
 	    op->type == PYSOCKET_TYPE_SEND ||
 	    op->type == PYSOCKET_TYPE_SENDTO)
 		kore_buf_cleanup(&op->buffer);
 
 	switch (op->type) {
 	case PYSOCKET_TYPE_RECV:
 	case PYSOCKET_TYPE_ACCEPT:
 	case PYSOCKET_TYPE_RECVMSG:
 	case PYSOCKET_TYPE_RECVFROM:
 		if (op->socket->recvop != op)
 			fatal("recvop mismatch");
 		op->socket->recvop = NULL;
 		break;
 	case PYSOCKET_TYPE_SEND:
 	case PYSOCKET_TYPE_SENDTO:
 	case PYSOCKET_TYPE_CONNECT:
 		if (op->socket->sendop != op)
 			fatal("sendop mismatch");
 		op->socket->sendop = NULL;
 		break;
 	}
 
 	if (op->timer != NULL) {
 		kore_timer_remove(op->timer);
 		op->timer = NULL;
 	}
 
 	op->coro->sockop = NULL;
 	Py_DECREF(op->socket);
 
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pysocket_op_create(struct pysocket *sock, int type, const void *ptr, size_t len)
 {
 	struct pysocket_op	*op;
 
 	if (coro_running->sockop != NULL)
 		fatal("pysocket_op_create: coro has active socketop");
 
 	switch (type) {
 	case PYSOCKET_TYPE_RECV:
 	case PYSOCKET_TYPE_ACCEPT:
 	case PYSOCKET_TYPE_RECVMSG:
 	case PYSOCKET_TYPE_RECVFROM:
 		if (sock->recvop != NULL) {
 			PyErr_SetString(PyExc_RuntimeError,
 			    "only one recv operation can be done per socket");
 			return (NULL);
 		}
 		break;
 	case PYSOCKET_TYPE_SEND:
 	case PYSOCKET_TYPE_SENDTO:
 	case PYSOCKET_TYPE_CONNECT:
 		if (sock->sendop != NULL) {
 			PyErr_SetString(PyExc_RuntimeError,
 			    "only one send operation can be done per socket");
 			return (NULL);
 		}
 		break;
 	default:
 		fatal("unknown pysocket_op type %u", type);
 	}
 
 	op = PyObject_New(struct pysocket_op, &pysocket_op_type);
 	if (op == NULL)
 		return (NULL);
 
 	op->eof = 0;
 	op->self = op;
 	op->type = type;
 	op->timer = NULL;
 	op->socket = sock;
 	op->coro = coro_running;
 
 	coro_running->sockop = op;
 	Py_INCREF(op->socket);
 
 	switch (type) {
 	case PYSOCKET_TYPE_RECV:
 	case PYSOCKET_TYPE_RECVMSG:
 	case PYSOCKET_TYPE_RECVFROM:
 		sock->recvop = op;
 		kore_buf_init(&op->buffer, len);
 		break;
 	case PYSOCKET_TYPE_SEND:
 	case PYSOCKET_TYPE_SENDTO:
 		sock->sendop = op;
 		kore_buf_init(&op->buffer, len);
 		kore_buf_append(&op->buffer, ptr, len);
 		kore_buf_reset(&op->buffer);
 		break;
 	case PYSOCKET_TYPE_ACCEPT:
 		sock->recvop = op;
 		break;
 	case PYSOCKET_TYPE_CONNECT:
 		sock->sendop = op;
 		break;
 	default:
 		fatal("unknown pysocket_op type %u", type);
 	}
 
 	if (sock->scheduled == 0) {
 		sock->scheduled = 1;
 		kore_platform_event_all(sock->fd, &sock->event);
 	}
 
 	return ((PyObject *)op);
 }
 
 static PyObject *
 pysocket_op_await(PyObject *obj)
 {
 	Py_INCREF(obj);
 	return (obj);
 }
 
 static PyObject *
 pysocket_op_iternext(struct pysocket_op *op)
 {
 	PyObject		*ret;
 
 	if (op->socket->fd == -1) {
 		PyErr_SetNone(PyExc_StopIteration);
 		return (NULL);
 	}
 
 	if (op->eof) {
 		if (op->coro->exception != NULL) {
 			PyErr_SetString(op->coro->exception,
 			    op->coro->exception_msg);
 			op->coro->exception = NULL;
 			return (NULL);
 		}
 
 		if (op->type != PYSOCKET_TYPE_RECV) {
 			PyErr_SetString(PyExc_RuntimeError, "socket EOF");
 			return (NULL);
 		}
 
 		/* Drain the recv socket. */
 		op->socket->event.evt.flags |= KORE_EVENT_READ;
 		return (pysocket_async_recv(op));
 	}
 
 	switch (op->type) {
 	case PYSOCKET_TYPE_CONNECT:
 		ret = pysocket_async_connect(op);
 		break;
 	case PYSOCKET_TYPE_ACCEPT:
 		ret = pysocket_async_accept(op);
 		break;
 	case PYSOCKET_TYPE_RECV:
 	case PYSOCKET_TYPE_RECVMSG:
 	case PYSOCKET_TYPE_RECVFROM:
 		ret = pysocket_async_recv(op);
 		break;
 	case PYSOCKET_TYPE_SEND:
 	case PYSOCKET_TYPE_SENDTO:
 		ret = pysocket_async_send(op);
 		break;
 	default:
 		PyErr_SetString(PyExc_RuntimeError, "invalid op type");
 		return (NULL);
 	}
 
 	return (ret);
 }
 
 static void
 pysocket_op_timeout(void *arg, u_int64_t now)
 {
 	struct pysocket_op	*op = arg;
 
 	op->eof = 1;
 	op->timer = NULL;
 
 	op->coro->exception = PyExc_TimeoutError;
 	op->coro->exception_msg = "timeout before operation completed";
 
 	if (op->coro->request != NULL)
 		http_request_wakeup(op->coro->request);
 	else
 		python_coro_wakeup(op->coro);
 }
 
 static PyObject *
 pysocket_async_connect(struct pysocket_op *op)
 {
 	if (connect(op->socket->fd, (struct sockaddr *)&op->socket->addr,
 	    op->socket->addr_len) == -1) {
 		if (errno != EALREADY && errno != EINPROGRESS &&
 		    errno != EISCONN && errno != EAGAIN) {
 			PyErr_SetString(PyExc_RuntimeError, errno_s);
 			return (NULL);
 		}
 
 		if (errno != EISCONN) {
 			Py_RETURN_NONE;
 		}
 	}
 
 	PyErr_SetNone(PyExc_StopIteration);
 	return (NULL);
 }
 
 static PyObject *
 pysocket_async_accept(struct pysocket_op *op)
 {
 	int			fd;
 	struct pysocket		*sock;
 
 	if (!(op->socket->event.evt.flags & KORE_EVENT_READ)) {
 		Py_RETURN_NONE;
 	}
 
 	if ((sock = pysocket_alloc()) == NULL)
 		return (NULL);
 
 	sock->addr_len = sizeof(sock->addr);
 
 	if ((fd = accept(op->socket->fd,
 	    (struct sockaddr *)&sock->addr, &sock->addr_len)) == -1) {
 		Py_DECREF((PyObject *)sock);
 		if (errno == EAGAIN || errno == EWOULDBLOCK) {
 			op->socket->event.evt.flags &= ~KORE_EVENT_READ;
 			Py_RETURN_NONE;
 		}
 		PyErr_SetString(PyExc_RuntimeError, errno_s);
 		return (NULL);
 	}
 
 	if (!kore_connection_nonblock(fd, 0)) {
 		Py_DECREF((PyObject *)sock);
 		PyErr_SetString(PyExc_RuntimeError, errno_s);
 		return (NULL);
 	}
 
 	sock->fd = fd;
 	sock->socket = NULL;
 	sock->family = op->socket->family;
 	sock->protocol = op->socket->protocol;
 
 	PyErr_SetObject(PyExc_StopIteration, (PyObject *)sock);
 	Py_DECREF((PyObject *)sock);
 
 	return (NULL);
 }
 
 static PyObject *
 pysocket_async_recv(struct pysocket_op *op)
 {
 	ssize_t			ret;
 	size_t			len;
 	u_int16_t		port;
 	struct iovec		iov;
 	struct msghdr		msg;
 	socklen_t		socklen;
 	struct sockaddr 	*sendaddr;
 	const char		*ptr, *ip;
 	u_int8_t		ancdata[1024];
 	PyObject		*bytes, *result, *tuple, *list;
 
 	if (!(op->socket->event.evt.flags & KORE_EVENT_READ)) {
 		Py_RETURN_NONE;
 	}
 
 	socklen = 0;
 
 	for (;;) {
 		switch (op->type) {
 		case PYSOCKET_TYPE_RECV:
 			ret = read(op->socket->fd, op->buffer.data,
 			    op->buffer.length);
 			break;
 		case PYSOCKET_TYPE_RECVMSG:
 			memset(&msg, 0, sizeof(msg));
 
 			iov.iov_base = op->buffer.data;
 			iov.iov_len = op->buffer.length;
 
 			msg.msg_iov = &iov;
 			msg.msg_iovlen = 1;
 			msg.msg_name = &op->sendaddr;
 			msg.msg_namelen = sizeof(op->sendaddr);
 			msg.msg_control = ancdata;
 			msg.msg_controllen = sizeof(ancdata);
 
 			memset(&op->sendaddr, 0, sizeof(op->sendaddr));
 			ret = recvmsg(op->socket->fd, &msg, 0);
 			break;
 		case PYSOCKET_TYPE_RECVFROM:
 			sendaddr = (struct sockaddr *)&op->sendaddr;
 			switch (op->socket->family) {
 			case AF_INET:
 				socklen = sizeof(op->sendaddr.ipv4);
 				break;
 			case AF_UNIX:
 				socklen = sizeof(op->sendaddr.sun);
 				break;
 			default:
 				fatal("%s: non AF_INET/AF_UNIX", __func__);
 			}
 
 			memset(sendaddr, 0, socklen);
 			ret = recvfrom(op->socket->fd, op->buffer.data,
 			    op->buffer.length, 0, sendaddr, &socklen);
 			break;
 		default:
 			fatal("%s: unknown type %d", __func__, op->type);
 		}
 
 		if (ret == -1) {
 			if (errno == EINTR)
 				continue;
 			if (errno == EAGAIN || errno == EWOULDBLOCK) {
 				op->socket->event.evt.flags &= ~KORE_EVENT_READ;
 				Py_RETURN_NONE;
 			}
 			PyErr_SetString(PyExc_RuntimeError, errno_s);
 			return (NULL);
 		}
 
 		break;
 	}
 
 	op->coro->exception = NULL;
 	op->coro->exception_msg = NULL;
 
 	if (op->timer != NULL) {
 		kore_timer_remove(op->timer);
 		op->timer = NULL;
 	}
 
 	if (op->type == PYSOCKET_TYPE_RECV && ret == 0) {
 		PyErr_SetNone(PyExc_StopIteration);
 		return (NULL);
 	}
 
 	ptr = (const char *)op->buffer.data;
 	if ((bytes = PyBytes_FromStringAndSize(ptr, ret)) == NULL)
 		return (NULL);
 
 	list = NULL;
 
 	switch (op->type) {
 	case PYSOCKET_TYPE_RECV:
 		PyErr_SetObject(PyExc_StopIteration, bytes);
 		Py_DECREF(bytes);
 		return (NULL);
 	case PYSOCKET_TYPE_RECVMSG:
 		socklen = msg.msg_namelen;
 		if ((list = python_cmsg_to_list(&msg)) == NULL) {
 			Py_DECREF(bytes);
 			return (NULL);
 		}
 		break;
 	case PYSOCKET_TYPE_RECVFROM:
 		break;
 	default:
 		fatal("%s: unknown type %d", __func__, op->type);
 	}
 
 	switch(op->socket->family) {
 	case AF_INET:
 		port = ntohs(op->sendaddr.ipv4.sin_port);
 		ip = inet_ntoa(op->sendaddr.ipv4.sin_addr);
 
 		if (op->type == PYSOCKET_TYPE_RECVFROM)
 			tuple = Py_BuildValue("(sHN)", ip, port, bytes);
 		else
 			tuple = Py_BuildValue("(sHNN)", ip, port, bytes, list);
 		break;
 	case AF_UNIX:
 		len = strlen(op->sendaddr.sun.sun_path);
 #if defined(__linux__)
 		if (len == 0 && socklen > 0) {
 			len = socklen - sizeof(sa_family_t);
 			op->sendaddr.sun.sun_path[0] = '@';
 			op->sendaddr.sun.sun_path[len] = '\0';
 		}
 #endif
 		if (len == 0) {
 			if (op->type == PYSOCKET_TYPE_RECVFROM) {
 				tuple = Py_BuildValue("(ON)", Py_None, bytes);
 			} else {
 				tuple = Py_BuildValue("(ONN)",
 				    Py_None, bytes, list);
 			}
 		} else {
 			if (op->type == PYSOCKET_TYPE_RECVFROM) {
 				tuple = Py_BuildValue("(sN)",
 				    op->sendaddr.sun.sun_path, bytes);
 			} else {
 				tuple = Py_BuildValue("(sNN)",
 				    op->sendaddr.sun.sun_path, bytes, list);
 			}
 		}
 		break;
 	default:
 		fatal("%s: non AF_INET/AF_UNIX", __func__);
 	}
 
 	if (tuple == NULL) {
 		Py_XDECREF(list);
 		Py_DECREF(bytes);
 		return (NULL);
 	}
 
 	result = PyObject_CallFunctionObjArgs(PyExc_StopIteration, tuple, NULL);
 	if (result == NULL) {
 		Py_DECREF(tuple);
 		return (NULL);
 	}
 
 	Py_DECREF(tuple);
 	PyErr_SetObject(PyExc_StopIteration, result);
 	Py_DECREF(result);
 
 	return (NULL);
 }
 
 static PyObject *
 pysocket_async_send(struct pysocket_op *op)
 {
 	ssize_t			ret;
 	socklen_t		socklen;
 	const struct sockaddr	*sendaddr;
 
 	if (!(op->socket->event.evt.flags & KORE_EVENT_WRITE)) {
 		Py_RETURN_NONE;
 	}
 
 	for (;;) {
 		if (op->type == PYSOCKET_TYPE_SEND) {
 			ret = write(op->socket->fd,
 			    op->buffer.data + op->buffer.offset,
 			    op->buffer.length - op->buffer.offset);
 		} else {
 			sendaddr = (const struct sockaddr *)&op->sendaddr;
 
 			switch (op->socket->family) {
 			case AF_INET:
 				socklen = sizeof(op->sendaddr.ipv4);
 				break;
 			case AF_UNIX:
 				socklen = sizeof(op->sendaddr.sun);
 #if defined(__linux__)
 				if (op->sendaddr.sun.sun_path[0] == '@') {
 					socklen = sizeof(sa_family_t) +
 					    strlen(op->sendaddr.sun.sun_path);
 					op->sendaddr.sun.sun_path[0] = '\0';
 				}
 #endif
 				break;
 			default:
 				fatal("non AF_INET/AF_UNIX in %s", __func__);
 			}
 
 			ret = sendto(op->socket->fd,
 			    op->buffer.data + op->buffer.offset,
 			    op->buffer.length - op->buffer.offset,
 			    0, sendaddr, socklen);
 		}
 
 		if (ret == -1) {
 			if (errno == EINTR)
 				continue;
 			if (errno == EAGAIN || errno == EWOULDBLOCK) {
 				op->socket->event.evt.flags &=
 				    ~KORE_EVENT_WRITE;
 				Py_RETURN_NONE;
 			}
 			PyErr_SetString(PyExc_RuntimeError, errno_s);
 			return (NULL);
 		}
 		break;
 	}
 
 	op->buffer.offset += (size_t)ret;
 
 	if (op->buffer.offset == op->buffer.length) {
 		PyErr_SetNone(PyExc_StopIteration);
 		return (NULL);
 	}
 
 	Py_RETURN_NONE;
 }
 
 static void
 pysocket_evt_handle(void *arg, int eof)
 {
 	struct pysocket_event		*event = arg;
 	struct pysocket			*socket = event->s;
 
 	if ((eof || (event->evt.flags & KORE_EVENT_READ)) &&
 	    socket->recvop != NULL) {
 		if (socket->recvop->coro->request != NULL)
 			http_request_wakeup(socket->recvop->coro->request);
 		else
 			python_coro_wakeup(socket->recvop->coro);
 		socket->recvop->eof = eof;
 	}
 
 	if ((eof || (event->evt.flags & KORE_EVENT_WRITE)) &&
 	    socket->sendop != NULL) {
 		if (socket->sendop->coro->request != NULL)
 			http_request_wakeup(socket->sendop->coro->request);
 		else
 			python_coro_wakeup(socket->sendop->coro);
 		socket->sendop->eof = eof;
 	}
 }
 
 static void
 pyqueue_dealloc(struct pyqueue *queue)
 {
 	struct pyqueue_object	*object;
 	struct pyqueue_waiting	*waiting;
 
 	while ((object = TAILQ_FIRST(&queue->objects)) != NULL) {
 		TAILQ_REMOVE(&queue->objects, object, list);
 		Py_DECREF(object->obj);
 		kore_pool_put(&queue_object_pool, object);
 	}
 
 	while ((waiting = TAILQ_FIRST(&queue->waiting)) != NULL) {
 		TAILQ_REMOVE(&queue->waiting, waiting, list);
 		if (waiting->op != NULL)
 			waiting->op->waiting = NULL;
 		kore_pool_put(&queue_wait_pool, waiting);
 	}
 
 	PyObject_Del((PyObject *)queue);
 }
 
 static PyObject *
 pyqueue_pop(struct pyqueue *queue, PyObject *args)
 {
 	struct pyqueue_op	*op;
 
 	if ((op = PyObject_New(struct pyqueue_op, &pyqueue_op_type)) == NULL)
 		return (NULL);
 
 	op->queue = queue;
 	op->waiting = kore_pool_get(&queue_wait_pool);
 	op->waiting->op = op;
 
 	op->waiting->coro = coro_running;
 	TAILQ_INSERT_TAIL(&queue->waiting, op->waiting, list);
 
 	Py_INCREF((PyObject *)queue);
 
 	return ((PyObject *)op);
 }
 
 static PyObject *
 pyqueue_popnow(struct pyqueue *queue, PyObject *args)
 {
 	PyObject		*obj;
 	struct pyqueue_object	*object;
 
 	if ((object = TAILQ_FIRST(&queue->objects)) == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	TAILQ_REMOVE(&queue->objects, object, list);
 
 	obj = object->obj;
 	kore_pool_put(&queue_object_pool, object);
 
 	return (obj);
 }
 
 static PyObject *
 pyqueue_push(struct pyqueue *queue, PyObject *args)
 {
 	PyObject		*obj;
 	struct pyqueue_object	*object;
 	struct pyqueue_waiting	*waiting;
 
 	if (!PyArg_ParseTuple(args, "O", &obj))
 		return (NULL);
 
 	Py_INCREF(obj);
 
 	object = kore_pool_get(&queue_object_pool);
 	object->obj = obj;
 
 	TAILQ_INSERT_TAIL(&queue->objects, object, list);
 
 	/* Wakeup first in line if any. */
 	if ((waiting = TAILQ_FIRST(&queue->waiting)) != NULL) {
 		TAILQ_REMOVE(&queue->waiting, waiting, list);
 
 		/* wakeup HTTP request if one is tied. */
 		if (waiting->coro->request != NULL)
 			http_request_wakeup(waiting->coro->request);
 		else
 			python_coro_wakeup(waiting->coro);
 
 		waiting->op->waiting = NULL;
 		kore_pool_put(&queue_wait_pool, waiting);
 	}
 
 	Py_RETURN_TRUE;
 }
 
 static void
 pyqueue_op_dealloc(struct pyqueue_op *op)
 {
 	if (op->waiting != NULL) {
 		TAILQ_REMOVE(&op->queue->waiting, op->waiting, list);
 		kore_pool_put(&queue_wait_pool, op->waiting);
 		op->waiting = NULL;
 	}
 
 	Py_DECREF((PyObject *)op->queue);
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pyqueue_op_await(PyObject *obj)
 {
 	Py_INCREF(obj);
 	return (obj);
 }
 
 static PyObject *
 pyqueue_op_iternext(struct pyqueue_op *op)
 {
 	PyObject		*obj;
 	struct pyqueue_object	*object;
 	struct pyqueue_waiting	*waiting;
 
 	if ((object = TAILQ_FIRST(&op->queue->objects)) == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	TAILQ_REMOVE(&op->queue->objects, object, list);
 
 	obj = object->obj;
 	kore_pool_put(&queue_object_pool, object);
 
 	TAILQ_FOREACH(waiting, &op->queue->waiting, list) {
 		if (waiting->coro->id == coro_running->id) {
 			TAILQ_REMOVE(&op->queue->waiting, waiting, list);
 			waiting->op->waiting = NULL;
 			kore_pool_put(&queue_wait_pool, waiting);
 			break;
 		}
 	}
 
 	PyErr_SetObject(PyExc_StopIteration, obj);
 	Py_DECREF(obj);
 
 	return (NULL);
 }
 
 static void
 pylock_dealloc(struct pylock *lock)
 {
 	struct pylock_op	*op;
 
 	while ((op = TAILQ_FIRST(&lock->ops)) != NULL) {
 		TAILQ_REMOVE(&lock->ops, op, list);
 		op->active = 0;
 		op->coro->lockop = NULL;
 		Py_DECREF((PyObject *)op);
 	}
 
 	PyObject_Del((PyObject *)lock);
 }
 
 static PyObject *
 pylock_trylock(struct pylock *lock, PyObject *args)
 {
 	if (lock->owner != NULL)
 		Py_RETURN_FALSE;
 
 	lock->owner = coro_running;
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pylock_release(struct pylock *lock, PyObject *args)
 {
 	if (lock->owner == NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "no lock owner set");
 		return (NULL);
 	}
 
 	if (lock->owner->id != coro_running->id) {
 		PyErr_SetString(PyExc_RuntimeError, "lock not owned by caller");
 		return (NULL);
 	}
 
 	pylock_do_release(lock);
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 pylock_aenter(struct pylock *lock, PyObject *args)
 {
 	struct pylock_op	*op;
 
 	if (coro_running->lockop != NULL)
 		fatal("%s: lockop not NULL for %u", __func__, coro_running->id);
 
 	if (lock->owner != NULL && lock->owner->id == coro_running->id) {
 		PyErr_SetString(PyExc_RuntimeError, "recursive lock detected");
 		return (NULL);
 	}
 
 	if ((op = PyObject_New(struct pylock_op, &pylock_op_type)) == NULL)
 		return (NULL);
 
 	op->active = 1;
 	op->lock = lock;
 	op->locking = 1;
 	op->coro = coro_running;
 
 	coro_running->lockop = op;
 
 	Py_INCREF((PyObject *)op);
 	Py_INCREF((PyObject *)lock);
 
 	TAILQ_INSERT_TAIL(&lock->ops, op, list);
 
 	return ((PyObject *)op);
 }
 
 static PyObject *
 pylock_aexit(struct pylock *lock, PyObject *args)
 {
 	struct pylock_op	*op;
 
 	if (coro_running->lockop != NULL)
 		fatal("%s: lockop not NULL for %u", __func__, coro_running->id);
 
 	if (lock->owner == NULL || lock->owner->id != coro_running->id) {
 		PyErr_SetString(PyExc_RuntimeError, "invalid lock owner");
 		return (NULL);
 	}
 
 	if ((op = PyObject_New(struct pylock_op, &pylock_op_type)) == NULL)
 		return (NULL);
 
 	op->active = 1;
 	op->lock = lock;
 	op->locking = 0;
 	op->coro = coro_running;
 
 	coro_running->lockop = op;
 
 	Py_INCREF((PyObject *)op);
 	Py_INCREF((PyObject *)lock);
 
 	TAILQ_INSERT_TAIL(&lock->ops, op, list);
 
 	return ((PyObject *)op);
 }
 
 static void
 pylock_do_release(struct pylock *lock)
 {
 	struct pylock_op	*op;
 
 	lock->owner = NULL;
 
 	TAILQ_FOREACH(op, &lock->ops, list) {
 		if (op->locking == 0)
 			continue;
 
 		op->active = 0;
 		op->coro->lockop = NULL;
 		TAILQ_REMOVE(&lock->ops, op, list);
 
 		if (op->coro->request != NULL)
 			http_request_wakeup(op->coro->request);
 		else
 			python_coro_wakeup(op->coro);
 
 		Py_DECREF((PyObject *)op);
 		break;
 	}
 }
 
 static void
 pylock_op_dealloc(struct pylock_op *op)
 {
 	if (op->active) {
 		TAILQ_REMOVE(&op->lock->ops, op, list);
 		op->active = 0;
 	}
 
 	op->coro->lockop = NULL;
 
 	Py_DECREF((PyObject *)op->lock);
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pylock_op_await(PyObject *obj)
 {
 	Py_INCREF(obj);
 	return (obj);
 }
 
 static PyObject *
 pylock_op_iternext(struct pylock_op *op)
 {
 	if (op->locking == 0) {
 		if (op->lock->owner == NULL) {
 			PyErr_SetString(PyExc_RuntimeError,
 			    "no lock owner set");
 			return (NULL);
 		}
 
 		if (op->lock->owner->id != coro_running->id) {
 			PyErr_SetString(PyExc_RuntimeError,
 			    "lock not owned by caller");
 			return (NULL);
 		}
 
 		pylock_do_release(op->lock);
 	} else {
 		if (op->lock->owner != NULL) {
 			/*
 			 * We could be beat by another coroutine that grabbed
 			 * the lock even if we were the one woken up for it.
 			 */
 			if (op->active == 0) {
 				op->active = 1;
 				op->coro->lockop = op;
 				TAILQ_INSERT_HEAD(&op->lock->ops, op, list);
 				Py_INCREF((PyObject *)op);
 			}
 			Py_RETURN_NONE;
 		}
 
 		op->lock->owner = coro_running;
 	}
 
 	if (op->active) {
 		op->active = 0;
 		op->coro->lockop = NULL;
 		TAILQ_REMOVE(&op->lock->ops, op, list);
 		Py_DECREF((PyObject *)op);
 	}
 
 	PyErr_SetNone(PyExc_StopIteration);
 
 	return (NULL);
 }
 
 static void
 pyproc_timeout(void *arg, u_int64_t now)
 {
 	struct pyproc	*proc = arg;
 
 	proc->timer = NULL;
 
 	if (proc->coro->sockop != NULL)
 		proc->coro->sockop->eof = 1;
 
 	proc->coro->exception = PyExc_TimeoutError;
 	proc->coro->exception_msg = "timeout before process exited";
 
 	if (proc->coro->request != NULL)
 		http_request_wakeup(proc->coro->request);
 	else
 		python_coro_wakeup(proc->coro);
 }
 
 static void
 pyproc_dealloc(struct pyproc *proc)
 {
 	int	status;
 
 	TAILQ_REMOVE(&procs, proc, list);
 
 	if (proc->timer != NULL) {
 		kore_timer_remove(proc->timer);
 		proc->timer = NULL;
 	}
 
 	if (proc->pid != -1) {
 		if (kill(proc->pid, SIGKILL) == -1) {
 			kore_log(LOG_NOTICE,
 			    "kore.proc failed to send SIGKILL %d (%s)",
 			    proc->pid, errno_s);
 		}
 
 		for (;;) {
 			if (waitpid(proc->pid, &status, 0) == -1) {
 				if (errno == EINTR)
 					continue;
 				kore_log(LOG_NOTICE,
 				    "kore.proc failed to wait for %d (%s)",
 				    proc->pid, errno_s);
 			}
 			break;
 		}
 	}
 
 	if (proc->in != NULL) {
 		Py_DECREF((PyObject *)proc->in);
 		proc->in = NULL;
 	}
 
 	if (proc->out != NULL) {
 		Py_DECREF((PyObject *)proc->out);
 		proc->out = NULL;
 	}
 
 	PyObject_Del((PyObject *)proc);
 }
 
 static PyObject *
 pyproc_kill(struct pyproc *proc, PyObject *args)
 {
 	if (proc->pid != -1 && kill(proc->pid, SIGKILL) == -1)
 		kore_log(LOG_NOTICE, "kill(%d): %s", proc->pid, errno_s);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyproc_reap(struct pyproc *proc, PyObject *args)
 {
 	struct pyproc_op	*op;
 
 	if (proc->op != NULL) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "process %d already being reaped", proc->apid);
 		return (NULL);
 	}
 
 	if (proc->timer != NULL) {
 		kore_timer_remove(proc->timer);
 		proc->timer = NULL;
 	}
 
 	if ((op = PyObject_New(struct pyproc_op, &pyproc_op_type)) == NULL)
 		return (NULL);
 
 	op->proc = proc;
 	op->coro = coro_running;
 
 	proc->op = op;
 
 	Py_INCREF((PyObject *)proc);
 
 	return ((PyObject *)op);
 }
 
 static PyObject *
 pyproc_recv(struct pyproc *proc, PyObject *args)
 {
 	Py_ssize_t		len;
 	struct pysocket_op	*op;
 	PyObject		*obj;
 	int			timeo;
 
 	timeo = -1;
 
 	if (proc->out == NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "stdout closed");
 		return (NULL);
 	}
 
 	if (!PyArg_ParseTuple(args, "n|i", &len, &timeo))
 		return (NULL);
 
 	obj = pysocket_op_create(proc->out, PYSOCKET_TYPE_RECV, NULL, len);
 	if (obj == NULL)
 		return (NULL);
 
 	op = (struct pysocket_op *)obj;
 
 	if (timeo != -1) {
 		op->timer = kore_timer_add(pysocket_op_timeout,
 		    timeo, op, KORE_TIMER_ONESHOT);
 	}
 
 	return (obj);
 }
 
 static PyObject *
 pyproc_send(struct pyproc *proc, PyObject *args)
 {
 	Py_buffer	buf;
 	PyObject	*ret;
 
 	if (proc->in == NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "stdin closed");
 		return (NULL);
 	}
 
 	if (!PyArg_ParseTuple(args, "y*", &buf))
 		return (NULL);
 
 	ret = pysocket_op_create(proc->in,
 	    PYSOCKET_TYPE_SEND, buf.buf, buf.len);
 
 	PyBuffer_Release(&buf);
 
 	return (ret);
 }
 
 static PyObject *
 pyproc_close_stdin(struct pyproc *proc, PyObject *args)
 {
 	if (proc->in != NULL) {
 		Py_DECREF((PyObject *)proc->in);
 		proc->in = NULL;
 	}
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyproc_get_pid(struct pyproc *proc, void *closure)
 {
 	return (PyLong_FromLong(proc->apid));
 }
 
 static void
 pyproc_op_dealloc(struct pyproc_op *op)
 {
 	Py_DECREF((PyObject *)op->proc);
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pyproc_op_await(PyObject *sop)
 {
 	Py_INCREF(sop);
 	return (sop);
 }
 
 static PyObject *
 pyproc_op_iternext(struct pyproc_op *op)
 {
 	int		ret;
 	PyObject	*res;
 
 	if (op->proc->coro->exception != NULL) {
 		PyErr_SetString(op->proc->coro->exception,
 		    op->proc->coro->exception_msg);
 		op->proc->coro->exception = NULL;
 		return (NULL);
 	}
 
 	if (op->proc->reaped == 0)
 		Py_RETURN_NONE;
 
 	if (WIFSTOPPED(op->proc->status)) {
 		op->proc->reaped = 0;
 		Py_RETURN_NONE;
 	}
 
 	if (WIFEXITED(op->proc->status)) {
 		ret = WEXITSTATUS(op->proc->status);
 	} else {
 		ret = op->proc->status;
 	}
 
 	if ((res = PyLong_FromLong(ret)) == NULL)
 		return (NULL);
 
 	PyErr_SetObject(PyExc_StopIteration, res);
 	Py_DECREF(res);
 
 	return (NULL);
 }
 
 static void
 pygather_reap_coro(struct pygather_op *op, struct python_coro *reap)
 {
 	struct pygather_coro	*coro;
 	struct pygather_result	*result;
 
 	TAILQ_FOREACH(coro, &op->coroutines, list) {
 		if (coro->coro->id == reap->id)
 			break;
 	}
 
 	if (coro == NULL)
 		fatal("coroutine %u not found in gather", reap->id);
 
 	op->running--;
 	if (op->running < 0)
 		fatal("gatherop: running miscount (%d)", op->running);
 
 	result = kore_pool_get(&gather_result_pool);
 	result->obj = NULL;
 
 	if (_PyGen_FetchStopIterationValue(&result->obj) == -1) {
 		result->obj = Py_None;
 		Py_INCREF(Py_None);
 	}
 
 	TAILQ_INSERT_TAIL(&op->results, result, list);
 
 	TAILQ_REMOVE(&op->coroutines, coro, list);
 	kore_pool_put(&gather_coro_pool, coro);
 
 	kore_python_coro_delete(reap);
 }
 
 static void
 pygather_op_dealloc(struct pygather_op *op)
 {
 	struct python_coro		*old;
 	struct pygather_coro		*coro, *next;
 	struct pygather_result		*res, *rnext;
 
 	/*
 	 * Since we are calling kore_python_coro_delete() on all the
 	 * remaining coroutines in this gather op we must remember the
 	 * original coroutine that is running as the removal will end
 	 * up setting coro_running to NULL.
 	 */
 	old = coro_running;
 
 	for (coro = TAILQ_FIRST(&op->coroutines); coro != NULL; coro = next) {
 		next = TAILQ_NEXT(coro, list);
 		TAILQ_REMOVE(&op->coroutines, coro, list);
 
 		/* Make sure we don't end up in pygather_reap_coro(). */
 		coro->coro->gatherop = NULL;
 
 		kore_python_coro_delete(coro->coro);
 		kore_pool_put(&gather_coro_pool, coro);
 	}
 
 	coro_running = old;
 
 	for (res = TAILQ_FIRST(&op->results); res != NULL; res = rnext) {
 		rnext = TAILQ_NEXT(res, list);
 		TAILQ_REMOVE(&op->results, res, list);
 
 		Py_DECREF(res->obj);
 		kore_pool_put(&gather_result_pool, res);
 	}
 
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pygather_op_await(PyObject *obj)
 {
 	Py_INCREF(obj);
 	return (obj);
 }
 
 static PyObject *
 pygather_op_iternext(struct pygather_op *op)
 {
 	int				idx;
 	struct pygather_coro		*coro;
 	struct pygather_result		*res, *next;
 	PyObject			*list, *obj;
 
 	if (!TAILQ_EMPTY(&op->coroutines)) {
 		if (op->running > 0)
 			Py_RETURN_NONE;
 
 		TAILQ_FOREACH(coro, &op->coroutines, list) {
 			if (op->running >= op->concurrency)
 				break;
 			python_coro_wakeup(coro->coro);
 			op->running++;
 		}
 
 		Py_RETURN_NONE;
 	}
 
 	if ((list = PyList_New(op->count)) == NULL)
 		return (NULL);
 
 	idx = 0;
 
 	for (res = TAILQ_FIRST(&op->results); res != NULL; res = next) {
 		next = TAILQ_NEXT(res, list);
 		TAILQ_REMOVE(&op->results, res, list);
 
 		obj = res->obj;
 		res->obj = NULL;
 		kore_pool_put(&gather_result_pool, res);
 
 		if (PyList_SetItem(list, idx++, obj) != 0) {
 			Py_DECREF(list);
 			return (NULL);
 		}
 	}
 
 	PyErr_SetObject(PyExc_StopIteration, list);
 	Py_DECREF(list);
 
 	return (NULL);
 }
 
 static PyObject *
 pyhttp_request_alloc(const struct http_request *req)
 {
 	union { const void *cp; void *p; }	ptr;
 	struct pyhttp_request			*pyreq;
 
 	pyreq = PyObject_New(struct pyhttp_request, &pyhttp_request_type);
 	if (pyreq == NULL)
 		return (NULL);
 
 	/*
 	 * Hack around all http apis taking a non-const pointer and us having
 	 * a const pointer for the req data structure. This is because we
 	 * could potentially be called from a validator where the argument
 	 * is a http_request pointer.
 	 */
 	ptr.cp = req;
 	pyreq->req = ptr.p;
 	pyreq->data = NULL;
 	pyreq->dict = NULL;
 
 	return ((PyObject *)pyreq);
 }
 
 static PyObject *
 pyhttp_file_alloc(struct http_file *file)
 {
 	struct pyhttp_file		*pyfile;
 
 	pyfile = PyObject_New(struct pyhttp_file, &pyhttp_file_type);
 	if (pyfile == NULL)
 		return (NULL);
 
 	pyfile->file = file;
 
 	return ((PyObject *)pyfile);
 }
 
 static int
 pyhttp_preprocess(struct http_request *req)
 {
 	struct reqcall		*rq;
 	PyObject		*ret;
 
 	rq = req->py_rqnext;
 
 	while (rq) {
 		req->py_rqnext = TAILQ_NEXT(rq, list);
 
 		PyErr_Clear();
 		ret = PyObject_CallFunctionObjArgs(rq->f, req->py_req, NULL);
 
 		if (ret == NULL) {
 			kore_python_log_error("preprocess");
 			http_response(req, HTTP_STATUS_INTERNAL_ERROR, NULL, 0);
 			return (KORE_RESULT_ERROR);
 		}
 
 		if (ret == Py_False) {
 			Py_DECREF(ret);
 			return (KORE_RESULT_ERROR);
 		}
 
 		if (PyCoro_CheckExact(ret)) {
 			req->py_coro = python_coro_create(ret, req);
 			if (python_coro_run(req->py_coro) == KORE_RESULT_OK) {
 				http_request_wakeup(req);
 				kore_python_coro_delete(req->py_coro);
 				req->py_coro = NULL;
 				rq = req->py_rqnext;
 				continue;
 			}
 			return (KORE_RESULT_RETRY);
 		}
 
 		Py_DECREF(ret);
 		rq = req->py_rqnext;
 	}
 
 	return (KORE_RESULT_OK);
 }
 
 static PyObject *
 pyhttp_response(struct pyhttp_request *pyreq, PyObject *args)
 {
 	struct connection	*c;
 	char			*ptr;
 	Py_ssize_t		length;
 	int			status;
 	struct pyhttp_iterobj	*iterobj;
 	PyObject		*obj, *iterator;
 
 	length = -1;
 
 	if (!PyArg_ParseTuple(args, "iO", &status, &obj))
 		return (NULL);
 
 	if (PyBytes_CheckExact(obj)) {
 		if (PyBytes_AsStringAndSize(obj, &ptr, &length) == -1)
 			return (NULL);
 
 		if (length < 0) {
 			PyErr_SetString(PyExc_TypeError, "invalid length");
 			return (NULL);
 		}
 
 		Py_INCREF(obj);
 
 		http_response_stream(pyreq->req, status, ptr, length,
 		    pyhttp_response_sent, obj);
 	} else if (obj == Py_None) {
 		http_response(pyreq->req, status, NULL, 0);
 	} else {
 		c = pyreq->req->owner;
 		if (c->state == CONN_STATE_DISCONNECTING) {
 			Py_RETURN_FALSE;
 		}
 
 		if ((iterator = PyObject_GetIter(obj)) == NULL)
 			return (NULL);
 
 		iterobj = kore_pool_get(&iterobj_pool);
 		iterobj->iterator = iterator;
 		iterobj->connection = c;
 		iterobj->remove = 0;
 
 		kore_buf_init(&iterobj->buf, 4096);
 
 		c->hdlr_extra = iterobj;
 		c->flags |= CONN_IS_BUSY;
 		c->disconnect = pyhttp_iterobj_disconnect;
 
 		pyreq->req->flags |= HTTP_REQUEST_NO_CONTENT_LENGTH;
 		http_response_header(pyreq->req, "transfer-encoding",
 		    "chunked");
 
 		http_response(pyreq->req, status, NULL, 0);
 		pyhttp_iterobj_next(iterobj);
 	}
 
 	Py_RETURN_TRUE;
 }
 
 static int
 pyhttp_response_sent(struct netbuf *nb)
 {
 	PyObject	*data;
 
 	data = nb->extra;
 	Py_DECREF(data);
 
 	return (KORE_RESULT_OK);
 }
 
 static int
 pyhttp_iterobj_next(struct pyhttp_iterobj *iterobj)
 {
 	struct netbuf		*nb;
 	PyObject		*obj;
 	const char		*ptr;
 	Py_ssize_t		length;
 
 	PyErr_Clear();
 
 	if ((obj = PyIter_Next(iterobj->iterator)) == NULL) {
 		if (PyErr_Occurred()) {
 			kore_python_log_error("pyhttp_iterobj_next");
 			return (KORE_RESULT_ERROR);
 		}
 
 		return (KORE_RESULT_OK);
 	}
 
 	if ((ptr = PyUnicode_AsUTF8AndSize(obj, &length)) == NULL) {
 		kore_python_log_error("pyhttp_iterobj_next");
 		return (KORE_RESULT_ERROR);
 	}
 
 	kore_buf_reset(&iterobj->buf);
 	kore_buf_appendf(&iterobj->buf, "%x\r\n", length);
 	kore_buf_append(&iterobj->buf, ptr, length);
 	kore_buf_appendf(&iterobj->buf, "\r\n");
 
 	Py_DECREF(obj);
 
 	net_send_stream(iterobj->connection, iterobj->buf.data,
 	    iterobj->buf.offset, pyhttp_iterobj_chunk_sent, &nb);
 
 	nb->extra = iterobj;
 
 	return (KORE_RESULT_RETRY);
 }
 
 static int
 pyhttp_iterobj_chunk_sent(struct netbuf *nb)
 {
 	int			ret;
 	struct pyhttp_iterobj	*iterobj;
 
 	iterobj = nb->extra;
 
 	if (iterobj->remove) {
 		ret = KORE_RESULT_ERROR;
 	} else {
 		ret = pyhttp_iterobj_next(iterobj);
 	}
 
 	if (ret != KORE_RESULT_RETRY) {
 		iterobj->connection->hdlr_extra = NULL;
 		iterobj->connection->disconnect = NULL;
 		iterobj->connection->flags &= ~CONN_IS_BUSY;
 
 		if (iterobj->remove == 0)
 			http_start_recv(iterobj->connection);
 
 		kore_buf_reset(&iterobj->buf);
 		kore_buf_appendf(&iterobj->buf, "0\r\n\r\n");
 		net_send_queue(iterobj->connection,
 		    iterobj->buf.data, iterobj->buf.offset);
 
 		Py_DECREF(iterobj->iterator);
 
 		kore_buf_cleanup(&iterobj->buf);
 		kore_pool_put(&iterobj_pool, iterobj);
 	} else {
 		ret = KORE_RESULT_OK;
 	}
 
 	return (ret);
 }
 
 static void
 pyhttp_iterobj_disconnect(struct connection *c)
 {
 	struct pyhttp_iterobj	*iterobj;
 
 	iterobj = c->hdlr_extra;
 	iterobj->remove = 1;
 	c->hdlr_extra = NULL;
 }
 
 static PyObject *
 pyhttp_response_header(struct pyhttp_request *pyreq, PyObject *args)
 {
 	const char		*header, *value;
 
 	if (!PyArg_ParseTuple(args, "ss", &header, &value))
 		return (NULL);
 
 	http_response_header(pyreq->req, header, value);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyhttp_request_header(struct pyhttp_request *pyreq, PyObject *args)
 {
 	const char		*value;
 	const char		*header;
 	PyObject		*result;
 
 	if (!PyArg_ParseTuple(args, "s", &header))
 		return (NULL);
 
 	if (!http_request_header(pyreq->req, header, &value)) {
 		Py_RETURN_NONE;
 	}
 
 	if ((result = PyUnicode_FromString(value)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (result);
 }
 
 static PyObject *
 pyhttp_body_read(struct pyhttp_request *pyreq, PyObject *args)
 {
 	ssize_t			ret;
 	size_t			len;
 	Py_ssize_t		pylen;
 	PyObject		*result;
 	u_int8_t		buf[1024];
 
 	if (!PyArg_ParseTuple(args, "n", &pylen) || pylen < 0)
 		return (NULL);
 
 	len = (size_t)pylen;
 	if (len > sizeof(buf)) {
 		PyErr_SetString(PyExc_RuntimeError, "len > sizeof(buf)");
 		return (NULL);
 	}
 
 	ret = http_body_read(pyreq->req, buf, len);
 	if (ret == -1) {
 		PyErr_SetString(PyExc_RuntimeError, "http_body_read() failed");
 		return (NULL);
 	}
 
 	result = Py_BuildValue("ny#", ret, buf, ret);
 	if (result == NULL)
 		return (PyErr_NoMemory());
 
 	return (result);
 }
 
 static PyObject *
 pyhttp_populate_get(struct pyhttp_request *pyreq, PyObject *args)
 {
 	http_populate_get(pyreq->req);
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyhttp_populate_post(struct pyhttp_request *pyreq, PyObject *args)
 {
 	http_populate_post(pyreq->req);
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyhttp_populate_multi(struct pyhttp_request *pyreq, PyObject *args)
 {
 	http_populate_multipart_form(pyreq->req);
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyhttp_populate_cookies(struct pyhttp_request *pyreq, PyObject *args)
 {
 	http_populate_cookies(pyreq->req);
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyhttp_argument(struct pyhttp_request *pyreq, PyObject *args)
 {
 	const char	*name;
 	PyObject	*value;
 	char		*string;
 
 	if (!PyArg_ParseTuple(args, "s", &name))
 		return (NULL);
 
 	if (!http_argument_get_string(pyreq->req, name, &string)) {
 		Py_RETURN_NONE;
 	}
 
 	if ((value = PyUnicode_FromString(string)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (value);
 }
 
 static PyObject *
 pyhttp_cookie(struct pyhttp_request *pyreq, PyObject *args)
 {
 	const char	*name;
 	PyObject	*value;
 	char		*string;
 
 	if (!PyArg_ParseTuple(args, "s", &name))
 		return (NULL);
 
 	if (!http_request_cookie(pyreq->req, name, &string)) {
 		Py_RETURN_NONE;
 	}
 
 	if ((value = PyUnicode_FromString(string)) == NULL)
 		return (NULL);
 
 	return (value);
 }
 
 static PyObject *
 pyhttp_file_lookup(struct pyhttp_request *pyreq, PyObject *args)
 {
 	const char		*name;
 	struct http_file	*file;
 	PyObject		*pyfile;
 
 	if (!PyArg_ParseTuple(args, "s", &name))
 		return (NULL);
 
 	if ((file = http_file_lookup(pyreq->req, name)) == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	if ((pyfile = pyhttp_file_alloc(file)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (pyfile);
 }
 
 static PyObject *
 pyhttp_file_read(struct pyhttp_file *pyfile, PyObject *args)
 {
 	ssize_t			ret;
 	size_t			len;
 	Py_ssize_t		pylen;
 	PyObject		*result;
 	u_int8_t		buf[1024];
 
 	if (!PyArg_ParseTuple(args, "n", &pylen) || pylen < 0)
 		return (NULL);
 
 	len = (size_t)pylen;
 	if (len > sizeof(buf)) {
 		PyErr_SetString(PyExc_RuntimeError, "len > sizeof(buf)");
 		return (NULL);
 	}
 
 	ret = http_file_read(pyfile->file, buf, len);
 	if (ret == -1) {
 		PyErr_SetString(PyExc_RuntimeError, "http_file_read() failed");
 		return (NULL);
 	}
 
 	result = Py_BuildValue("ny#", ret, buf, ret);
 	if (result == NULL)
 		return (PyErr_NoMemory());
 
 	return (result);
 }
 
 static PyObject *
 pyhttp_websocket_handshake(struct pyhttp_request *pyreq, PyObject *args)
 {
 	struct connection	*c;
 	PyObject		*onconnect, *onmsg, *ondisconnect;
 
 	if (!PyArg_ParseTuple(args, "OOO", &onconnect, &onmsg, &ondisconnect))
 		return (NULL);
 
 	kore_websocket_handshake(pyreq->req, NULL, NULL, NULL);
 
 	c = pyreq->req->owner;
 
 	Py_INCREF(onconnect);
 	Py_INCREF(onmsg);
 	Py_INCREF(ondisconnect);
 
 	c->ws_connect = kore_calloc(1, sizeof(struct kore_runtime_call));
 	c->ws_connect->addr = onconnect;
 	c->ws_connect->runtime = &kore_python_runtime;
 
 	c->ws_message = kore_calloc(1, sizeof(struct kore_runtime_call));
 	c->ws_message->addr = onmsg;
 	c->ws_message->runtime = &kore_python_runtime;
 
 	c->ws_disconnect = kore_calloc(1, sizeof(struct kore_runtime_call));
 	c->ws_disconnect->addr = ondisconnect;
 	c->ws_disconnect->runtime = &kore_python_runtime;
 
 	python_runtime_connect(onconnect, c);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyconnection_websocket_send(struct pyconnection *pyc, PyObject *args)
 {
 	int		op;
 	ssize_t		len;
 	const char	*data;
 
 	if (pyc->c->proto != CONN_PROTO_WEBSOCKET) {
 		PyErr_SetString(PyExc_TypeError, "not a websocket connection");
 		return (NULL);
 	}
 
 	len = -1;
 
 	if (!PyArg_ParseTuple(args, "iy#", &op, &data, &len))
 		return (NULL);
 
 	if (len < 0) {
 		PyErr_SetString(PyExc_TypeError, "invalid length");
 		return (NULL);
 	}
 
 	switch (op) {
 	case WEBSOCKET_OP_TEXT:
 	case WEBSOCKET_OP_BINARY:
 		break;
 	default:
 		PyErr_SetString(PyExc_TypeError, "invalid op parameter");
 		return (NULL);
 	}
 
 	kore_websocket_send(pyc->c, op, data, len);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 python_websocket_broadcast(PyObject *self, PyObject *args)
 {
 	struct connection	*c;
 	ssize_t			len;
 	struct pyconnection	*pyc;
 	const char		*data;
 	PyObject		*pysrc;
 	int			op, broadcast;
 
 	len = -1;
 
 	if (!PyArg_ParseTuple(args, "Oiy#i", &pysrc, &op, &data, &len,
 	    &broadcast))
 		return (NULL);
 
 	if (len < 0) {
 		PyErr_SetString(PyExc_TypeError, "invalid length");
 		return (NULL);
 	}
 
 	switch (op) {
 	case WEBSOCKET_OP_TEXT:
 	case WEBSOCKET_OP_BINARY:
 		break;
 	default:
 		PyErr_SetString(PyExc_TypeError, "invalid op parameter");
 		return (NULL);
 	}
 
 	if (pysrc == Py_None) {
 		c = NULL;
 	} else {
 		if (!PyObject_TypeCheck(pysrc, &pyconnection_type))
 			return (NULL);
 		pyc = (struct pyconnection *)pysrc;
 		c = pyc->c;
 	}
 
 	kore_websocket_broadcast(c, op, data, len, broadcast);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pyhttp_get_host(struct pyhttp_request *pyreq, void *closure)
 {
 	PyObject	*host;
 
 	if ((host = PyUnicode_FromString(pyreq->req->host)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (host);
 }
 
 static PyObject *
 pyhttp_get_path(struct pyhttp_request *pyreq, void *closure)
 {
 	PyObject	*path;
 
 	if ((path = PyUnicode_FromString(pyreq->req->path)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (path);
 }
 
 static PyObject *
 pyhttp_get_body(struct pyhttp_request *pyreq, void *closure)
 {
 	ssize_t			ret;
 	struct kore_buf		buf;
 	PyObject		*body;
 	u_int8_t		data[BUFSIZ];
 
 	kore_buf_init(&buf, 1024);
 	if (!http_body_rewind(pyreq->req)) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "http_body_rewind() failed");
 		return (NULL);
 	}
 
 	for (;;) {
 		ret = http_body_read(pyreq->req, data, sizeof(data));
 		if (ret == -1) {
 			kore_buf_cleanup(&buf);
 			PyErr_SetString(PyExc_RuntimeError,
 			    "http_body_read() failed");
 			return (NULL);
 		}
 
 		if (ret == 0)
 			break;
 
 		kore_buf_append(&buf, data, (size_t)ret);
 	}
 
 	body = PyBytes_FromStringAndSize((char *)buf.data, buf.offset);
 	kore_buf_free(&buf);
 
 	if (body == NULL)
 		return (PyErr_NoMemory());
 
 	return (body);
 }
 
 static PyObject *
 pyhttp_get_agent(struct pyhttp_request *pyreq, void *closure)
 {
 	return (PyUnicode_FromString(pyreq->req->path));
 }
 
 static PyObject *
 pyhttp_get_method(struct pyhttp_request *pyreq, void *closure)
 {
 	return (PyLong_FromUnsignedLong(pyreq->req->method));
 }
 
 static PyObject *
 pyhttp_get_protocol(struct pyhttp_request *pyreq, void *closure)
 {
 	struct connection	*c;
 	const char		*proto;
 
 	c = pyreq->req->owner;
 
 	if (c->owner->server->tls)
 		proto = "https";
 	else
 		proto = "http";
 
 	return (PyUnicode_FromString(proto));
 }
 
 static PyObject *
 pyhttp_get_body_path(struct pyhttp_request *pyreq, void *closure)
 {
 	if (pyreq->req->http_body_path == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	return (PyUnicode_FromString(pyreq->req->http_body_path));
 }
 
 static PyObject *
 pyhttp_get_body_digest(struct pyhttp_request *pyreq, void *closure)
 {
 	PyObject	*digest;
 
 	digest = PyBytes_FromStringAndSize((char *)pyreq->req->http_body_digest,
 	    sizeof(pyreq->req->http_body_digest));
 
 	return (digest);
 }
 
 static PyObject *
 pyhttp_get_connection(struct pyhttp_request *pyreq, void *closure)
 {
 	PyObject	*pyc;
 
 	if (pyreq->req->owner == NULL) {
 		Py_RETURN_NONE;
 	}
 
 	if ((pyc = pyconnection_alloc(pyreq->req->owner)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (pyc);
 }
 
 static PyObject *
 pyhttp_file_get_name(struct pyhttp_file *pyfile, void *closure)
 {
 	PyObject	*name;
 
 	if ((name = PyUnicode_FromString(pyfile->file->name)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (name);
 }
 
 static PyObject *
 pyhttp_file_get_filename(struct pyhttp_file *pyfile, void *closure)
 {
 	PyObject	*name;
 
 	if ((name = PyUnicode_FromString(pyfile->file->filename)) == NULL)
 		return (PyErr_NoMemory());
 
 	return (name);
 }
 
 void
 pyroute_dealloc(struct pyroute *route)
 {
 	kore_free(route->path);
 
 	Py_XDECREF(route->func);
 	Py_XDECREF(route->kwargs);
 
 	PyObject_Del((PyObject *)route);
 }
 
 static PyObject *
 pyroute_inner(struct pyroute *route, PyObject *args)
 {
 	PyObject	*obj;
 
 	if (!PyArg_ParseTuple(args, "O", &obj))
 		return (NULL);
 
 	if (!PyCallable_Check(obj))
 		return (NULL);
 
 	route->func = obj;
 	Py_INCREF(route->func);
 
 	TAILQ_INSERT_TAIL(&routes, route, list);
 
 	return (route->func);
 }
 
 void
 pydomain_dealloc(struct pydomain *domain)
 {
 	PyObject_Del((PyObject *)domain);
 }
 
 static int
 pydomain_set_accesslog(struct pydomain *domain, PyObject *arg, void *closure)
 {
 	const char		*path;
 
 	if (!PyUnicode_CheckExact(arg))
 		return (-1);
 
 	if (domain->config->accesslog != -1) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "domain %s accesslog already set", domain->config->domain);
 		return (-1);
 	}
 
 	path = PyUnicode_AsUTF8(arg);
 
 	domain->config->accesslog = open(path,
 	    O_CREAT | O_APPEND | O_WRONLY,
 	    S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
 
 	if (domain->config->accesslog == -1) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "failed to open accesslog for %s (%s:%s)",
 		    domain->config->domain, path, errno_s);
 		return (-1);
 	}
 
 	return (0);
 }
 
 static PyObject *
 pydomain_filemaps(struct pydomain *domain, PyObject *args)
 {
 	Py_ssize_t		idx;
 	const char		*url, *path;
 	PyObject		*dict, *key, *value;
 
 	if (!PyArg_ParseTuple(args, "O", &dict))
 		return (NULL);
 
 	if (!PyDict_CheckExact(dict)) {
 		PyErr_SetString(PyExc_RuntimeError, "filemaps not a dict");
 		return (NULL);
 	}
 
 	idx = 0;
 	while (PyDict_Next(dict, &idx, &key, &value)) {
 		if (!PyUnicode_CheckExact(key) ||
 		    !PyUnicode_CheckExact(value)) {
 			PyErr_SetString(PyExc_RuntimeError,
 			    "filemap entries not strings");
 			return (NULL);
 		}
 
 		url = PyUnicode_AsUTF8(key);
 		path = PyUnicode_AsUTF8(value);
 
 		if (!kore_filemap_create(domain->config, path, url)) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "failed to create filemap %s->%s for %s",
 			    url, path, domain->config->domain);
 			return (NULL);
 		}
 	}
 
 	Py_RETURN_NONE;
 }
 
 static PyObject *
 pydomain_route(struct pydomain *domain, PyObject *args, PyObject *kwargs)
 {
 	PyObject		*obj;
 	const char		*path;
 	struct pyroute		*route;
 
 	if (!PyArg_ParseTuple(args, "sO", &path, &obj))
 		return (NULL);
 
 	if (!PyCallable_Check(obj))
 		return (NULL);
 
 	if ((route = PyObject_New(struct pyroute, &pyroute_type)) == NULL)
 		return (NULL);
 
 	route->kwargs = kwargs;
 	route->domain = domain->config;
 	route->path = kore_strdup(path);
 
 	Py_XINCREF(route->kwargs);
 
 	route->func = obj;
 	Py_INCREF(route->func);
 
 	TAILQ_INSERT_TAIL(&routes, route, list);
 
 	Py_RETURN_NONE;
 }
 
 static int
 python_route_install(struct pyroute *route)
 {
 	const char			*val;
 	struct kore_domain		*domain;
 	struct kore_route		*rt, *entry;
 	PyObject			*kwargs, *repr, *obj;
 
 	if ((repr = PyObject_Repr(route->func)) == NULL) {
 		kore_python_log_error("python_route_install");
 		return (KORE_RESULT_ERROR);
 	}
 
 	domain = python_route_domain_resolve(route);
 
 	rt = kore_calloc(1, sizeof(*rt));
 	rt->dom = domain;
 	rt->methods = HTTP_METHOD_ALL;
 	rt->path = kore_strdup(route->path);
 
 	TAILQ_INIT(&rt->params);
 
 	val = PyUnicode_AsUTF8(repr);
 	rt->func = kore_strdup(val);
 
 	kwargs = route->kwargs;
 
 	rt->rcall = kore_calloc(1, sizeof(struct kore_runtime_call));
 	rt->rcall->addr = route->func;
 	rt->rcall->runtime = &kore_python_runtime;
 	Py_INCREF(rt->rcall->addr);
 
 	if (kwargs != NULL) {
 		if ((obj = PyDict_GetItemString(kwargs, "methods")) != NULL) {
 			if (!python_route_methods(obj, kwargs, rt)) {
 				kore_python_log_error("python_route_install");
 				kore_route_free(rt);
 				return (KORE_RESULT_ERROR);
 			}
 		}
 
 		if ((obj = PyDict_GetItemString(kwargs, "auth")) != NULL) {
 			if (!python_route_auth(obj, rt)) {
 				kore_python_log_error("python_route_install");
 				kore_route_free(rt);
 				return (KORE_RESULT_ERROR);
 			}
 		}
 
 		if ((obj = PyDict_GetItemString(kwargs, "hooks")) != NULL) {
 			if (!python_route_hooks(obj, rt)) {
 				kore_python_log_error("python_route_install");
 				kore_route_free(rt);
 				return (KORE_RESULT_ERROR);
 			}
 		}
 	}
 
 	if (rt->path[0] == '/') {
 		rt->type = HANDLER_TYPE_STATIC;
 	} else {
 		rt->type = HANDLER_TYPE_DYNAMIC;
 		if (regcomp(&rt->rctx, rt->path, REG_EXTENDED))
 			fatal("failed to compile regex for '%s'", rt->path);
 	}
 
 	TAILQ_FOREACH(entry, &domain->routes, list) {
 		if (!strcmp(entry->path, rt->path) &&
 		    (entry->methods & rt->methods))
 			fatal("duplicate route for '%s'", route->path);
 	}
 
 	TAILQ_INSERT_TAIL(&domain->routes, rt, list);
 
 	return (KORE_RESULT_OK);
 }
 
 static struct kore_domain *
 python_route_domain_resolve(struct pyroute *route)
 {
 	struct kore_server	*srv;
 	const char		*name;
 	struct kore_domain	*domain;
 
 	if (route->domain != NULL)
 		return (route->domain);
 
 	if (route->kwargs != NULL)
 		name = python_string_from_dict(route->kwargs, "domain");
 	else
 		name = NULL;
 
 	if (name != NULL) {
 		domain = NULL;
 		LIST_FOREACH(srv, &kore_servers, list) {
 			TAILQ_FOREACH(domain, &srv->domains, list) {
 				if (!strcmp(domain->domain, name))
 					break;
 			}
 		}
 
 		if (domain == NULL)
 			fatal("domain '%s' does not exist", name);
 	} else {
 		if ((domain = kore_domain_byid(1)) != NULL)
 			fatal("ambiguous domain on route, please specify one");
 		if ((domain = kore_domain_byid(0)) == NULL)
 			fatal("no domains configured, please configure one");
 	}
 
 	return (domain);
 }
 
 static int
 python_route_methods(PyObject *obj, PyObject *kwargs, struct kore_route *rt)
 {
 	const char		*val;
 	PyObject		*item;
 	int			method;
 	Py_ssize_t		list_len, idx;
 
 	if (!PyList_CheckExact(obj)) {
 		PyErr_SetString(PyExc_RuntimeError, "methods not a list");
 		return (KORE_RESULT_ERROR);
 	}
 
 	rt->methods = 0;
 	list_len = PyList_Size(obj);
 
 	for (idx = 0; idx < list_len; idx++) {
 		if ((item = PyList_GetItem(obj, idx)) == NULL)
 			return (KORE_RESULT_ERROR);
 
 		if ((val = PyUnicode_AsUTF8(item)) == NULL)
 			return (KORE_RESULT_ERROR);
 
 		if ((method = http_method_value(val)) == 0) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "unknown HTTP method: %s", val);
 			return (KORE_RESULT_ERROR);
 		}
 
 		rt->methods |= method;
 		if (method == HTTP_METHOD_GET)
 			rt->methods |= HTTP_METHOD_HEAD;
 
 		if (!python_route_params(kwargs, rt, val, method, 0))
 			return (KORE_RESULT_ERROR);
 
 		if (!python_route_params(kwargs, rt, "qs", method, 1))
 			return (KORE_RESULT_ERROR);
 	}
 
 	return (KORE_RESULT_OK);
 }
 
 static int
 python_route_params(PyObject *kwargs, struct kore_route *rt,
     const char *method, int type, int qs)
 {
 	Py_ssize_t			idx;
 	const char			*val;
 	int				vtype;
 	struct kore_validator		*vldr;
 	struct kore_route_params	*param;
 	PyObject			*obj, *key, *item;
 
 	if ((obj = PyDict_GetItemString(kwargs, method)) == NULL)
 		return (KORE_RESULT_OK);
 
 	if (!PyDict_CheckExact(obj))
 		return (KORE_RESULT_ERROR);
 
 	idx = 0;
 	while (PyDict_Next(obj, &idx, &key, &item)) {
 		if (!PyUnicode_CheckExact(key))
 			return (KORE_RESULT_ERROR);
 
 		val = PyUnicode_AsUTF8(key);
 
 		if (PyUnicode_CheckExact(item)) {
 			vtype = KORE_VALIDATOR_TYPE_REGEX;
 		} else if (PyCallable_Check(item)) {
 			vtype = KORE_VALIDATOR_TYPE_FUNCTION;
 		} else {
 			PyErr_Format(PyExc_RuntimeError,
 			    "validator '%s' must be regex or function", val);
 			return (KORE_RESULT_ERROR);
 		}
 
 		vldr = kore_calloc(1, sizeof(*vldr));
 		vldr->type = vtype;
 
 		if (vtype == KORE_VALIDATOR_TYPE_REGEX) {
 			val = PyUnicode_AsUTF8(item);
 			if (regcomp(&(vldr->rctx),
 			    val, REG_EXTENDED | REG_NOSUB)) {
 				PyErr_Format(PyExc_RuntimeError,
 				    "Invalid regex (%s)", val);
 				kore_free(vldr);
 				return (KORE_RESULT_ERROR);
 			}
 		} else {
 			vldr->rcall = kore_calloc(1, sizeof(*vldr->rcall));
 			vldr->rcall->addr = item;
 			vldr->rcall->runtime = &kore_python_runtime;
 			Py_INCREF(item);
 		}
 
 		val = PyUnicode_AsUTF8(key);
 		vldr->name = kore_strdup(val);
 
 		param = kore_calloc(1, sizeof(*param));
 		param->flags = 0;
 		param->method = type;
 		param->validator = vldr;
 		param->name = kore_strdup(val);
 
 		if (type == HTTP_METHOD_GET || qs == 1)
 			param->flags = KORE_PARAMS_QUERY_STRING;
 
 		TAILQ_INSERT_TAIL(&rt->params, param, list);
 	}
 
 	return (KORE_RESULT_OK);
 }
 
 static int
 python_route_auth(PyObject *dict, struct kore_route *rt)
 {
 	int			type;
 	struct kore_auth	*auth;
 	struct kore_validator	*vldr;
 	PyObject		*obj, *repr;
 	const char		*value, *redir;
 
 	if (!PyDict_CheckExact(dict))
 		return (KORE_RESULT_ERROR);
 
 	if ((value = python_string_from_dict(dict, "type")) == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "missing or invalid 'type' keyword");
 		return (KORE_RESULT_ERROR);
 	}
 
 	if (!strcmp(value, "cookie")) {
 		type = KORE_AUTH_TYPE_COOKIE;
 	} else if (!strcmp(value, "header")) {
 		type = KORE_AUTH_TYPE_HEADER;
 	} else {
 		PyErr_Format(PyExc_RuntimeError,
 		    "invalid 'type' (%s) in auth dictionary for '%s'",
 		    value, rt->path);
 		return (KORE_RESULT_ERROR);
 	}
 
 	if ((value = python_string_from_dict(dict, "value")) == NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "missing or invalid 'value' keyword");
 		return (KORE_RESULT_ERROR);
 	}
 
 	redir = python_string_from_dict(dict, "redirect");
 
 	if ((obj = PyDict_GetItemString(dict, "verify")) == NULL ||
 	    !PyCallable_Check(obj)) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "missing 'verify' in auth dictionary for '%s'", rt->path);
 		return (KORE_RESULT_ERROR);
 	}
 
 	auth = kore_calloc(1, sizeof(*auth));
 	auth->type = type;
 	auth->value = kore_strdup(value);
 
 	if (redir != NULL)
 		auth->redirect = kore_strdup(redir);
 
 	vldr = kore_calloc(1, sizeof(*vldr));
 	vldr->type = KORE_VALIDATOR_TYPE_FUNCTION;
 
 	vldr->rcall = kore_calloc(1, sizeof(*vldr->rcall));
 	vldr->rcall->addr = obj;
 	vldr->rcall->runtime = &kore_python_runtime;
 	Py_INCREF(obj);
 
 	if ((repr = PyObject_Repr(obj)) == NULL) {
 		kore_free(vldr->rcall);
 		kore_free(vldr);
 		kore_free(auth);
 		return (KORE_RESULT_ERROR);
 	}
 
 	value = PyUnicode_AsUTF8(repr);
 	vldr->name = kore_strdup(value);
 	Py_DECREF(repr);
 
 	auth->validator = vldr;
 	rt->auth = auth;
 
 	return (KORE_RESULT_OK);
 }
 
 static int
 python_route_hooks(PyObject *dict, struct kore_route *rt)
 {
 	if (!PyDict_CheckExact(dict))
 		return (KORE_RESULT_ERROR);
 
 	if (!python_route_hook_set(dict, "on_free", &rt->on_free))
 		return (KORE_RESULT_ERROR);
 
 	if (!python_route_hook_set(dict, "on_headers", &rt->on_headers))
 		return (KORE_RESULT_ERROR);
 
 	if (!python_route_hook_set(dict, "on_body_chunk", &rt->on_body_chunk))
 		return (KORE_RESULT_ERROR);
 
 	return (KORE_RESULT_OK);
 }
 
 static int
 python_route_hook_set(PyObject *dict, const char *name,
     struct kore_runtime_call **out)
 {
 	PyObject			*obj;
 	struct kore_runtime_call	*rcall;
 
 	if ((obj = PyDict_GetItemString(dict, name)) == NULL)
 		return (KORE_RESULT_OK);
 
 	if (!PyCallable_Check(obj)) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "%s for a route not callable", name);
 		Py_DECREF(obj);
 		return (KORE_RESULT_ERROR);
 	}
 
 	rcall = kore_calloc(1, sizeof(struct kore_runtime_call));
 	rcall->addr = obj;
 	rcall->runtime = &kore_python_runtime;
 
 	Py_INCREF(rcall->addr);
 	*out = rcall;
 
 	return (KORE_RESULT_OK);
 }
 
 #if defined(KORE_USE_PGSQL)
 static PyObject *
 python_kore_pgsql_query(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	struct pykore_pgsql	*op;
 	PyObject		*obj;
 	const char		*db, *query;
 
 	if (!PyArg_ParseTuple(args, "ss", &db, &query))
 		return (NULL);
 
 	op = PyObject_New(struct pykore_pgsql, &pykore_pgsql_type);
 	if (op == NULL)
 		return (NULL);
 
 	op->binary = 0;
 	op->param.count = 0;
 	op->param.objs = NULL;
 	op->param.values = NULL;
 	op->param.lengths = NULL;
 	op->param.formats = NULL;
 
 	op->result = NULL;
 	op->coro = coro_running;
 	op->db = kore_strdup(db);
 	op->query = kore_strdup(query);
 	op->state = PYKORE_PGSQL_PREINIT;
 
 	memset(&op->sql, 0, sizeof(op->sql));
 
 	if (kwargs != NULL) {
 		if ((obj = PyDict_GetItemString(kwargs, "params")) != NULL) {
 			if (!pykore_pgsql_params(op, obj)) {
 				Py_DECREF((PyObject *)op);
 				return (NULL);
 			}
 		}
 
 		if ((obj = PyDict_GetItemString(kwargs, "binary")) != NULL) {
 			if (obj == Py_True) {
 				op->binary = 1;
 			} else if (obj == Py_False) {
 				op->binary = 0;
 			} else {
 				Py_DECREF((PyObject *)op);
 				PyErr_SetString(PyExc_RuntimeError,
 				    "pgsql: binary not True or False");
 				return (NULL);
 			}
 		}
 	}
 
 	return ((PyObject *)op);
 }
 
 static int
 pykore_pgsql_params(struct pykore_pgsql *op, PyObject *list)
 {
 	union { const char *cp; char *p; }	ptr;
 	PyObject				*item;
 	int					format;
 	Py_ssize_t				i, len, vlen;
 
 	if (!PyList_CheckExact(list)) {
 		if (list == Py_None)
 			return (KORE_RESULT_OK);
 
 		PyErr_SetString(PyExc_RuntimeError,
 		    "pgsql: params keyword must be a list");
 		return (KORE_RESULT_ERROR);
 	}
 
 	len = PyList_Size(list);
 	if (len == 0)
 		return (KORE_RESULT_OK);
 
 	if (len > INT_MAX) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "pgsql: list length too large");
 		return (KORE_RESULT_ERROR);
 	}
 
 	op->param.count = len;
 	op->param.lengths = kore_calloc(len, sizeof(int));
 	op->param.formats = kore_calloc(len, sizeof(int));
 	op->param.values = kore_calloc(len, sizeof(char *));
 	op->param.objs = kore_calloc(len, sizeof(PyObject *));
 
 	for (i = 0; i < len; i++) {
 		if ((item = PyList_GetItem(list, i)) == NULL)
 			return (KORE_RESULT_ERROR);
 
 		if (PyUnicode_CheckExact(item)) {
 			format = 0;
 			ptr.cp = PyUnicode_AsUTF8AndSize(item, &vlen);
 		} else if (PyBytes_CheckExact(item)) {
 			format = 1;
 			if (PyBytes_AsStringAndSize(item, &ptr.p, &vlen) == -1)
 				ptr.p = NULL;
 		} else {
 			PyErr_Format(PyExc_RuntimeError,
 			    "pgsql: item %zu is not a string or bytes", i);
 			return (KORE_RESULT_ERROR);
 		}
 
 		if (ptr.cp == NULL)
 			return (KORE_RESULT_ERROR);
 
 		op->param.lengths[i] = vlen;
 		op->param.values[i] = ptr.cp;
 		op->param.formats[i] = format;
 
 		/* Hold on to it since we are directly referencing its data. */
 		op->param.objs[i] = item;
 		Py_INCREF(item);
 	}
 
 	return (KORE_RESULT_OK);
 }
 
 static void
 pykore_pgsql_dealloc(struct pykore_pgsql *pysql)
 {
 	Py_ssize_t	i;
 
 	kore_free(pysql->db);
 	kore_free(pysql->query);
 	kore_pgsql_cleanup(&pysql->sql);
 
 	if (pysql->result != NULL)
 		Py_DECREF(pysql->result);
 
 	for (i = 0; i < pysql->param.count; i++)
 		Py_XDECREF(pysql->param.objs[i]);
 
 	kore_free(pysql->param.objs);
 	kore_free(pysql->param.values);
 	kore_free(pysql->param.lengths);
 	kore_free(pysql->param.formats);
 
 	PyObject_Del((PyObject *)pysql);
 }
 
 static PyObject *
 pykore_pgsql_iternext(struct pykore_pgsql *pysql)
 {
 	switch (pysql->state) {
 	case PYKORE_PGSQL_PREINIT:
 		kore_pgsql_init(&pysql->sql);
 		kore_pgsql_bind_callback(&pysql->sql,
 		    pykore_pgsql_callback, pysql);
 		pysql->state = PYKORE_PGSQL_INITIALIZE;
 		/* fallthrough */
 	case PYKORE_PGSQL_INITIALIZE:
 		if (!kore_pgsql_setup(&pysql->sql, pysql->db,
 		    KORE_PGSQL_ASYNC)) {
 			if (pysql->sql.state == KORE_PGSQL_STATE_INIT)
 				break;
 			PyErr_Format(PyExc_RuntimeError, "pgsql error: %s",
 			    pysql->sql.error);
 			return (NULL);
 		}
 		/* fallthrough */
 	case PYKORE_PGSQL_QUERY:
 		if (pysql->param.count > 0) {
 			if (!kore_pgsql_query_param_fields(&pysql->sql,
 			    pysql->query, pysql->binary,
 			    pysql->param.count, pysql->param.values,
 			    pysql->param.lengths, pysql->param.formats)) {
 				PyErr_Format(PyExc_RuntimeError,
 				    "pgsql error: %s", pysql->sql.error);
 				return (NULL);
 			}
 		} else {
 			if (!kore_pgsql_query(&pysql->sql, pysql->query)) {
 				PyErr_Format(PyExc_RuntimeError,
 				    "pgsql error: %s", pysql->sql.error);
 				return (NULL);
 			}
 		}
 		pysql->state = PYKORE_PGSQL_WAIT;
 		break;
 wait_again:
 	case PYKORE_PGSQL_WAIT:
 		switch (pysql->sql.state) {
 		case KORE_PGSQL_STATE_WAIT:
 			break;
 		case KORE_PGSQL_STATE_COMPLETE:
 			PyErr_SetNone(PyExc_StopIteration);
 			if (pysql->result != NULL) {
 				PyErr_SetObject(PyExc_StopIteration,
 				    pysql->result);
 				Py_DECREF(pysql->result);
 				pysql->result = NULL;
 			} else {
 				PyErr_SetObject(PyExc_StopIteration, Py_None);
 			}
 			return (NULL);
 		case KORE_PGSQL_STATE_ERROR:
 			PyErr_Format(PyExc_RuntimeError,
 			    "failed to perform query: %s", pysql->sql.error);
 			return (NULL);
 		case KORE_PGSQL_STATE_RESULT:
 			if (!pykore_pgsql_result(pysql))
 				return (NULL);
 			goto wait_again;
 		default:
 			kore_pgsql_continue(&pysql->sql);
 			goto wait_again;
 		}
 		break;
 	default:
 		PyErr_SetString(PyExc_RuntimeError, "bad pykore_pgsql state");
 		return (NULL);
 	}
 
 	/* tell caller to wait. */
 	Py_RETURN_NONE;
 }
 
 static void
 pykore_pgsql_callback(struct kore_pgsql *pgsql, void *arg)
 {
 	struct pykore_pgsql	*op = arg;
 
 	if (op->coro->request != NULL)
 		http_request_wakeup(op->coro->request);
 	else
 		python_coro_wakeup(op->coro);
 }
 
 static PyObject *
 pykore_pgsql_await(PyObject *obj)
 {
 	Py_INCREF(obj);
 	return (obj);
 }
 
 static int
 pykore_pgsql_result(struct pykore_pgsql *pysql)
 {
 	const char	*val;
 	char		key[64];
 	PyObject	*list, *pyrow, *pyval;
 	int		rows, row, field, fields, len;
 
 	if ((list = PyList_New(0)) == NULL) {
 		PyErr_SetNone(PyExc_MemoryError);
 		return (KORE_RESULT_ERROR);
 	}
 
 	rows = kore_pgsql_ntuples(&pysql->sql);
 	fields = kore_pgsql_nfields(&pysql->sql);
 
 	for (row = 0; row < rows; row++) {
 		if ((pyrow = PyDict_New()) == NULL) {
 			Py_DECREF(list);
 			PyErr_SetNone(PyExc_MemoryError);
 			return (KORE_RESULT_ERROR);
 		}
 
 		for (field = 0; field < fields; field++) {
 			val = kore_pgsql_getvalue(&pysql->sql, row, field);
 			len = kore_pgsql_getlength(&pysql->sql, row, field);
 
 			if (kore_pgsql_column_binary(&pysql->sql, field)) {
 				pyval = PyBytes_FromStringAndSize(val, len);
 			} else {
 				pyval = PyUnicode_FromString(val);
 			}
 
 			if (pyval == NULL) {
 				Py_DECREF(pyrow);
 				Py_DECREF(list);
 				PyErr_SetNone(PyExc_MemoryError);
 				return (KORE_RESULT_ERROR);
 			}
 
 			(void)snprintf(key, sizeof(key), "%s",
 			    kore_pgsql_fieldname(&pysql->sql, field));
 
 			if (PyDict_SetItemString(pyrow, key, pyval) == -1) {
 				Py_DECREF(pyval);
 				Py_DECREF(pyrow);
 				Py_DECREF(list);
 				PyErr_SetString(PyExc_RuntimeError,
 				    "failed to add new value to row");
 				return (KORE_RESULT_ERROR);
 			}
 
 			Py_DECREF(pyval);
 		}
 
 		if (PyList_Insert(list, row, pyrow) == -1) {
 			Py_DECREF(pyrow);
 			Py_DECREF(list);
 			PyErr_SetString(PyExc_RuntimeError,
 			    "failed to add new row to list");
 			return (KORE_RESULT_ERROR);
 		}
 
 		Py_DECREF(pyrow);
 	}
 
 	pysql->result = list;
 	kore_pgsql_continue(&pysql->sql);
 
 	return (KORE_RESULT_OK);
 }
 #endif
 
 #if defined(KORE_USE_CURL)
 static PyObject *
 python_curlopt_set(struct pycurl_data *data, long opt, PyObject *value)
 {
 	int		i;
 
 	for (i = 0; py_curlopt[i].name != NULL; i++) {
 		if (py_curlopt[i].value == opt)
 			break;
 	}
 
 	if (py_curlopt[i].name == NULL) {
 		PyErr_Format(PyExc_RuntimeError, "invalid option '%ld'", opt);
 		return (NULL);
 	}
 
 	if (py_curlopt[i].cb == NULL) {
 		PyErr_Format(PyExc_RuntimeError, "option '%s' not implemented",
 		    py_curlopt[i].name);
 		return (NULL);
 	}
 
 	return (py_curlopt[i].cb(data, i, value));
 }
 
 static int
 python_curlopt_from_dict(struct pycurl_data *data, PyObject *dict)
 {
 	long		opt;
 	Py_ssize_t	idx;
 	PyObject	*key, *value, *obj;
 
 	idx = 0;
 
 	if (!PyDict_CheckExact(dict)) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "curlopt must be a dictionary");
 		return (KORE_RESULT_ERROR);
 	}
 
 	while (PyDict_Next(dict, &idx, &key, &value)) {
 		if (!PyLong_CheckExact(key)) {
 			PyErr_Format(PyExc_RuntimeError,
 			    "invalid key in curlopt keyword");
 			return (KORE_RESULT_ERROR);
 		}
 
 		opt = PyLong_AsLong(key);
 
 		if ((obj = python_curlopt_set(data, opt, value)) == NULL)
 			return (KORE_RESULT_ERROR);
 
 		Py_DECREF(obj);
 	}
 
 	return (KORE_RESULT_OK);
 }
 
 static PyObject *
 python_kore_curl_handle(PyObject *self, PyObject *args)
 {
 	const char		*url;
 	struct pycurl_handle	*handle;
 
 	if (!PyArg_ParseTuple(args, "s", &url))
 		return (NULL);
 
 	handle = PyObject_New(struct pycurl_handle, &pycurl_handle_type);
 	if (handle == NULL)
 		return (NULL);
 
 	handle->url = kore_strdup(url);
 	memset(&handle->data.curl, 0, sizeof(handle->data.curl));
 
 	handle->body = NULL;
 	LIST_INIT(&handle->data.slists);
 
 	if (!kore_curl_init(&handle->data.curl, handle->url, KORE_CURL_ASYNC)) {
 		Py_DECREF((PyObject *)handle);
 		PyErr_SetString(PyExc_RuntimeError, "failed to setup call");
 		return (NULL);
 	}
 
 	return ((PyObject *)handle);
 }
 
 static void
 pycurl_handle_dealloc(struct pycurl_handle *handle)
 {
 	struct pycurl_slist	*psl;
 
 	while ((psl = LIST_FIRST(&handle->data.slists))) {
 		LIST_REMOVE(psl, list);
 		curl_slist_free_all(psl->slist);
 		kore_free(psl);
 	}
 
 	if (handle->body != NULL)
 		kore_buf_free(handle->body);
 
 	kore_free(handle->url);
 	kore_curl_cleanup(&handle->data.curl);
 
 	PyObject_Del((PyObject *)handle);
 }
 
 static PyObject *
 pycurl_handle_setbody(struct pycurl_handle *handle, PyObject *args)
 {
 	PyObject		*obj;
 	char			*ptr;
 	Py_ssize_t		length;
 
 	if (!PyArg_ParseTuple(args, "O", &obj))
 		return (NULL);
 
 	if (handle->body != NULL) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "curl handle already has body attached");
 		return (NULL);
 	}
 
 	if (!PyBytes_CheckExact(obj)) {
 		PyErr_SetString(PyExc_RuntimeError,
 		    "curl.setbody expects bytes");
 		return (NULL);
 	}
 
 	if (PyBytes_AsStringAndSize(obj, &ptr, &length) == -1)
 		return (NULL);
 
 	if (length < 0) {
 		PyErr_SetString(PyExc_TypeError, "invalid length");
 		return (NULL);
 	}
 
 	handle->body = kore_buf_alloc(length);
 	kore_buf_append(handle->body, ptr, length);
 	kore_buf_reset(handle->body);
 
 	curl_easy_setopt(handle->data.curl.handle,
 	    CURLOPT_READFUNCTION, kore_curl_frombuf);
 	curl_easy_setopt(handle->data.curl.handle,
 	    CURLOPT_READDATA, handle->body);
 
 	curl_easy_setopt(handle->data.curl.handle, CURLOPT_UPLOAD, 1);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pycurl_handle_setopt(struct pycurl_handle *handle, PyObject *args)
 {
 	int		opt;
 	PyObject	*value;
 
 	if (!PyArg_ParseTuple(args, "iO", &opt, &value))
 		return (NULL);
 
 	return (python_curlopt_set(&handle->data, opt, value));
 }
 
 static PyObject *
 pycurl_handle_setopt_string(struct pycurl_data *data, int idx, PyObject *obj)
 {
 	const char		*str;
 
 	if (!PyUnicode_Check(obj)) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "option '%s' requires a string as argument",
 		    py_curlopt[idx].name);
 		return (NULL);
 	}
 
 	if ((str = PyUnicode_AsUTF8(obj)) == NULL)
 		return (NULL);
 
 	curl_easy_setopt(data->curl.handle,
 	    CURLOPTTYPE_OBJECTPOINT + py_curlopt[idx].value, str);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pycurl_handle_setopt_long(struct pycurl_data *data, int idx, PyObject *obj)
 {
 	long		val;
 
 	if (!PyLong_CheckExact(obj)) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "option '%s' requires a long as argument",
 		    py_curlopt[idx].name);
 		return (NULL);
 	}
 
 	PyErr_Clear();
 	val = PyLong_AsLong(obj);
 	if (val == -1 && PyErr_Occurred())
 		return (NULL);
 
 	curl_easy_setopt(data->curl.handle,
 	    CURLOPTTYPE_LONG + py_curlopt[idx].value, val);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pycurl_handle_setopt_slist(struct pycurl_data *data, int idx, PyObject *obj)
 {
 	struct pycurl_slist	*psl;
 	PyObject		*item;
 	const char		*sval;
 	struct curl_slist	*slist;
 	Py_ssize_t		list_len, i;
 
 	if (!PyList_CheckExact(obj)) {
 		PyErr_Format(PyExc_RuntimeError,
 		    "option '%s' requires a list as argument",
 		    py_curlopt[idx].name);
 		return (NULL);
 	}
 
 	slist = NULL;
 	list_len = PyList_Size(obj);
 
 	for (i = 0; i < list_len; i++) {
 		if ((item = PyList_GetItem(obj, i)) == NULL)
 			return (NULL);
 
 		if (!PyUnicode_Check(item))
 			return (NULL);
 
 		if ((sval = PyUnicode_AsUTF8AndSize(item, NULL)) == NULL)
 			return (NULL);
 
 		if ((slist = curl_slist_append(slist, sval)) == NULL)
 			fatal("%s: curl_slist_append failed", __func__);
 	}
 
 	psl = kore_calloc(1, sizeof(*psl));
 	psl->slist = slist;
 	LIST_INSERT_HEAD(&data->slists, psl, list);
 
 	curl_easy_setopt(data->curl.handle,
 	    CURLOPTTYPE_OBJECTPOINT + py_curlopt[idx].value, slist);
 
 	Py_RETURN_TRUE;
 }
 
 static PyObject *
 pycurl_handle_run(struct pycurl_handle *handle, PyObject *args)
 {
 	struct pycurl_handle_op		*op;
 
 	op = PyObject_New(struct pycurl_handle_op, &pycurl_handle_op_type);
 	if (op == NULL)
 		return (NULL);
 
 	Py_INCREF(handle);
 
 	op->handle = handle;
 	op->coro = coro_running;
 	op->state = CURL_CLIENT_OP_RUN;
 
 	kore_curl_bind_callback(&handle->data.curl,
 	    python_curl_handle_callback, op);
 
 	return ((PyObject *)op);
 }
 
 static void
 pycurl_handle_op_dealloc(struct pycurl_handle_op *op)
 {
 	Py_DECREF(op->handle);
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pycurl_handle_op_await(PyObject *op)
 {
 	Py_INCREF(op);
 	return (op);
 }
 
 static PyObject *
 pycurl_handle_op_iternext(struct pycurl_handle_op *op)
 {
 	size_t			len;
 	PyObject		*result;
 	const u_int8_t		*response;
 
 	if (op->state == CURL_CLIENT_OP_RUN) {
 		kore_curl_run(&op->handle->data.curl);
 		op->state = CURL_CLIENT_OP_RESULT;
 		Py_RETURN_NONE;
 	}
 
 	if (op->handle->body != NULL) {
 		kore_buf_free(op->handle->body);
 		op->handle->body = NULL;
 	}
 
 	if (!kore_curl_success(&op->handle->data.curl)) {
 		/* Do not log the url here, may contain some sensitive data. */
 		PyErr_Format(PyExc_RuntimeError, "request failed: %s",
 		    kore_curl_strerror(&op->handle->data.curl));
 		return (NULL);
 	}
 
 	kore_curl_response_as_bytes(&op->handle->data.curl, &response, &len);
 
 	if ((result = PyBytes_FromStringAndSize((const char *)response,
 	    len)) == NULL)
 		return (NULL);
 
 	PyErr_SetObject(PyExc_StopIteration, result);
 	Py_DECREF(result);
 
 	return (NULL);
 }
 
 static PyObject *
 python_kore_httpclient(PyObject *self, PyObject *args, PyObject *kwargs)
 {
 	struct pyhttp_client	*client;
 	const char		*url, *v;
 
 	if (!PyArg_ParseTuple(args, "s", &url))
 		return (NULL);
 
 	client = PyObject_New(struct pyhttp_client, &pyhttp_client_type);
 	if (client == NULL)
 		return (NULL);
 
 	client->unix = NULL;
 	client->tlskey = NULL;
 	client->curlopt = NULL;
 	client->tlscert = NULL;
 	client->cabundle = NULL;
 
 	client->tlsverify = 1;
 	client->url = kore_strdup(url);
 
 	if (kwargs != NULL) {
 		if ((v = python_string_from_dict(kwargs, "tlscert")) != NULL)
 			client->tlscert = kore_strdup(v);
 
 		if ((v = python_string_from_dict(kwargs, "tlskey")) != NULL)
 			client->tlskey = kore_strdup(v);
 
 		if ((v = python_string_from_dict(kwargs, "cabundle")) != NULL)
 			client->cabundle = kore_strdup(v);
 
 		if ((v = python_string_from_dict(kwargs, "unix")) != NULL)
 			client->unix = kore_strdup(v);
 
 		client->curlopt = PyDict_GetItemString(kwargs, "curlopt");
 		Py_XINCREF(client->curlopt);
 
 		python_bool_from_dict(kwargs, "tlsverify", &client->tlsverify);
 	}
 
 	if ((client->tlscert != NULL && client->tlskey == NULL) ||
 	    (client->tlskey != NULL && client->tlscert == NULL)) {
 		Py_DECREF((PyObject *)client);
 		PyErr_SetString(PyExc_RuntimeError,
 		    "invalid TLS client configuration");
 		return (NULL);
 	}
 
 	return ((PyObject *)client);
 }
 
 static void
 pyhttp_client_dealloc(struct pyhttp_client *client)
 {
 	kore_free(client->url);
 	kore_free(client->unix);
 	kore_free(client->tlskey);
 	kore_free(client->tlscert);
 	kore_free(client->cabundle);
 
 	Py_XDECREF(client->curlopt);
 
 	PyObject_Del((PyObject *)client);
 }
 
 static PyObject *
 pyhttp_client_get(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_GET, kwargs));
 }
 
 static PyObject *
 pyhttp_client_put(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_PUT, kwargs));
 }
 
 static PyObject *
 pyhttp_client_post(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_POST, kwargs));
 }
 
 static PyObject *
 pyhttp_client_head(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_HEAD, kwargs));
 }
 
 static PyObject *
 pyhttp_client_patch(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_PATCH, kwargs));
 }
 
 static PyObject *
 pyhttp_client_delete(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_DELETE, kwargs));
 }
 
 static PyObject *
 pyhttp_client_options(struct pyhttp_client *client, PyObject *args,
     PyObject *kwargs)
 {
 	return (pyhttp_client_request(client, HTTP_METHOD_OPTIONS, kwargs));
 }
 
 static PyObject *
 pyhttp_client_request(struct pyhttp_client *client, int m, PyObject *kwargs)
 {
 	struct pyhttp_client_op		*op;
 	char				*ptr;
 	const char			*k, *v;
 	Py_ssize_t			length, idx;
 	PyObject			*data, *headers, *key, *obj;
 
 	ptr = NULL;
 	length = 0;
 	headers = NULL;
 
 	if (kwargs != NULL &&
 	    ((headers = PyDict_GetItemString(kwargs, "headers")) != NULL)) {
 		if (!PyDict_CheckExact(headers)) {
 			PyErr_SetString(PyExc_RuntimeError,
 			    "headers keyword must be a dict");
 			return (NULL);
 		}
 	}
 
 	switch (m) {
 	case HTTP_METHOD_GET:
 	case HTTP_METHOD_HEAD:
 	case HTTP_METHOD_OPTIONS:
 		break;
 	case HTTP_METHOD_PUT:
 	case HTTP_METHOD_POST:
 	case HTTP_METHOD_PATCH:
 	case HTTP_METHOD_DELETE:
 		length = -1;
 
 		if (kwargs == NULL) {
 			if (m == HTTP_METHOD_DELETE) {
 				length = 0;
 				break;
 			}
 
 			PyErr_Format(PyExc_RuntimeError,
 			    "no keyword arguments given, but body expected ",
 			    http_method_text(m));
 			return (NULL);
 		}
 
 		if ((data = PyDict_GetItemString(kwargs, "body")) == NULL)
 			return (NULL);
 
 		if (PyBytes_AsStringAndSize(data, &ptr, &length) == -1)
 			return (NULL);
 
 		if (length < 0) {
 			PyErr_SetString(PyExc_TypeError, "invalid length");
 			return (NULL);
 		}
 		break;
 	default:
 		fatal("%s: unknown method %d", __func__, m);
 	}
 
 	op = PyObject_New(struct pyhttp_client_op, &pyhttp_client_op_type);
 	if (op == NULL)
 		return (NULL);
 
 	if (!kore_curl_init(&op->data.curl, client->url, KORE_CURL_ASYNC)) {
 		Py_DECREF((PyObject *)op);
 		PyErr_SetString(PyExc_RuntimeError, "failed to setup call");
 		return (NULL);
 	}
 
 	op->headers = 0;
 	op->coro = coro_running;
 	op->state = CURL_CLIENT_OP_RUN;
 	LIST_INIT(&op->data.slists);
 
 	Py_INCREF(client);
 	op->client = client;
 
 	kore_curl_http_setup(&op->data.curl, m, ptr, length);
 	kore_curl_bind_callback(&op->data.curl, python_curl_http_callback, op);
 
 	/* Go in with our own bare hands. */
 	if (client->unix != NULL) {
 #if defined(__linux__)
 		if (client->unix[0] == '@') {
 			curl_easy_setopt(op->data.curl.handle,
 			    CURLOPT_ABSTRACT_UNIX_SOCKET, client->unix + 1);
 		} else {
 			curl_easy_setopt(op->data.curl.handle,
 			    CURLOPT_UNIX_SOCKET_PATH, client->unix);
 		}
 #else
 		curl_easy_setopt(op->data.curl.handle, CURLOPT_UNIX_SOCKET_PATH,
 		    client->unix);
 #endif
 	}
 
 	if (client->tlskey != NULL && client->tlscert != NULL) {
 		 curl_easy_setopt(op->data.curl.handle, CURLOPT_SSLCERT,
 		    client->tlscert);
 		 curl_easy_setopt(op->data.curl.handle, CURLOPT_SSLKEY,
 		    client->tlskey);
 	}
 
 	if (client->tlsverify == 0) {
 		curl_easy_setopt(op->data.curl.handle,
 		    CURLOPT_SSL_VERIFYHOST, 0);
 		curl_easy_setopt(op->data.curl.handle,
 		    CURLOPT_SSL_VERIFYPEER, 0);
 	}
 
 	if (client->curlopt != NULL) {
 		if (!python_curlopt_from_dict(&op->data, client->curlopt)) {
 			Py_DECREF((PyObject *)op);
 			return (NULL);
 		}
 	}
 
 	if (client->cabundle != NULL) {
 		curl_easy_setopt(op->data.curl.handle, CURLOPT_CAINFO,
 		    client->cabundle);
 	}
 
 	if (headers != NULL) {
 		idx = 0;
 		while (PyDict_Next(headers, &idx, &key, &obj)) {
 			if ((k = PyUnicode_AsUTF8(key)) == NULL) {
 				Py_DECREF((PyObject *)op);
 				return (NULL);
 			}
 
 			if ((v = PyUnicode_AsUTF8(obj)) == NULL) {
 				Py_DECREF((PyObject *)op);
 				return (NULL);
 			}
 
 			kore_curl_http_set_header(&op->data.curl, k, v);
 		}
 	}
 
 	if (kwargs != NULL) {
 		if ((obj = PyDict_GetItemString(kwargs, "curlopt")) != NULL) {
 			if (!python_curlopt_from_dict(&op->data, obj)) {
 				Py_DECREF((PyObject *)op);
 				return (NULL);
 			}
 		}
 
 		python_bool_from_dict(kwargs, "return_headers", &op->headers);
 	}
 
 	return ((PyObject *)op);
 }
 
 static void
 pyhttp_client_op_dealloc(struct pyhttp_client_op *op)
 {
 	struct pycurl_slist	*psl;
 
 	while ((psl = LIST_FIRST(&op->data.slists))) {
 		LIST_REMOVE(psl, list);
 		curl_slist_free_all(psl->slist);
 		kore_free(psl);
 	}
 
 	Py_DECREF(op->client);
 	kore_curl_cleanup(&op->data.curl);
 	PyObject_Del((PyObject *)op);
 }
 
 static PyObject *
 pyhttp_client_op_await(PyObject *op)
 {
 	Py_INCREF(op);
 	return (op);
 }
 
 static PyObject *
 pyhttp_client_op_iternext(struct pyhttp_client_op *op)
 {
 	size_t			len;
 	struct http_header	*hdr;
 	const u_int8_t		*response;
 	PyObject		*result, *tuple, *dict, *value;
 
 	if (op->state == CURL_CLIENT_OP_RUN) {
 		kore_curl_run(&op->data.curl);
 		op->state = CURL_CLIENT_OP_RESULT;
 		Py_RETURN_NONE;
 	}
 
 	if (!kore_curl_success(&op->data.curl)) {
 		PyErr_Format(PyExc_RuntimeError, "request to '%s' failed: %s",
 		    op->data.curl.url, kore_curl_strerror(&op->data.curl));
 		return (NULL);
 	}
 
 	kore_curl_response_as_bytes(&op->data.curl, &response, &len);
 
 	if (op->headers) {
 		kore_curl_http_parse_headers(&op->data.curl);
 
 		if ((dict = PyDict_New()) == NULL)
 			return (NULL);
 
 		TAILQ_FOREACH(hdr, &op->data.curl.http.resp_hdrs, list) {
 			value = PyUnicode_FromString(hdr->value);
 			if (value == NULL) {
 				Py_DECREF(dict);
 				return (NULL);
 			}
 
 			if (PyDict_SetItemString(dict,
 			    hdr->header, value) == -1) {
 				Py_DECREF(dict);
 				Py_DECREF(value);
 				return (NULL);
 			}
 
 			Py_DECREF(value);
 		}
 
 		if ((tuple = Py_BuildValue("(iOy#)", op->data.curl.http.status,
 		    dict, (const char *)response, len)) == NULL)
 			return (NULL);
 
 		Py_DECREF(dict);
 	} else {
 		if ((tuple = Py_BuildValue("(iy#)", op->data.curl.http.status,
 		    (const char *)response, len)) == NULL)
 			return (NULL);
 	}
 
 	result = PyObject_CallFunctionObjArgs(PyExc_StopIteration, tuple, NULL);
 	if (result == NULL) {
 		Py_DECREF(tuple);
 		return (NULL);
 	}
 
 	Py_DECREF(tuple);
 	PyErr_SetObject(PyExc_StopIteration, result);
 	Py_DECREF(result);
 
 	return (NULL);
 }
 
 static void
 python_curl_http_callback(struct kore_curl *curl, void *arg)
 {
 	struct pyhttp_client_op		*op = arg;
 
 	if (op->coro->request != NULL)
 		http_request_wakeup(op->coro->request);
 	else
 		python_coro_wakeup(op->coro);
 }
 
 static void
 python_curl_handle_callback(struct kore_curl *curl, void *arg)
 {
 	struct pycurl_handle_op		*op = arg;
 
 	if (op->coro->request != NULL)
 		http_request_wakeup(op->coro->request);
 	else
 		python_coro_wakeup(op->coro);
 }
 #endif