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Merge remote-tracking branch 'pro-plus/plus-pro' into Feature

Browse source 
# Conflicts:
#	.github/workflows/Alpha.yml
#	.github/workflows/codeql-analysis.yml
#	.github/workflows/docker.yml
#	.github/workflows/linter.yml
#	.github/workflows/stale.yml
#	Makefile
#	README.md
#	adapter/outbound/vless.go
#	component/dialer/dialer.go
#	component/geodata/geodata.go
#	component/geodata/router/condition.go
#	config/config.go
#	config/initial.go
#	constant/metadata.go
#	constant/path.go
#	constant/rule.go
#	constant/rule_extra.go
#	dns/filters.go
#	go.mod
#	go.sum
#	hub/executor/executor.go
#	hub/route/configs.go
#	listener/listener.go
#	listener/tun/dev/dev.go
#	listener/tun/dev/dev_darwin.go
#	listener/tun/dev/dev_linux.go
#	listener/tun/dev/dev_windows.go
#	listener/tun/dev/dev_windows_extra.go
#	listener/tun/dev/wintun/dll_windows.go
#	listener/tun/dev/wintun/session_windows.go
#	listener/tun/ipstack/gvisor/tun.go
#	listener/tun/ipstack/gvisor/tundns.go
#	listener/tun/ipstack/stack_adapter.go
#	listener/tun/ipstack/system/tun.go
#	listener/tun/tun_adapter.go
#	main.go
#	rule/base.go
#	rule/common/process.go
#	rule/geoip.go
#	rule/parser.go
#	rule/port.go
#	test/go.mod
#	test/go.sum
#	test/vless_test.go
#	transport/vless/xtls.go
#	tunnel/tunnel.go
This commit is contained in:
Clash-Mini 2022-02-04 05:30:21 +08:00
commit 176eb3926b
24 changed files with 2019 additions and 28 deletions
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2
component/dialer/dialer.go
View file

@ -11,6 +11,7 @@ import (
func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
opt := &option{
interfaceName: DefaultInterface.Load(),
routingMark: int(DefaultRoutingMark.Load()),
}
for _, o := range DefaultOptions {
@ -58,6 +59,7 @@ func DialContext(ctx context.Context, network, address string, options ...Option
func ListenPacket(ctx context.Context, network, address string, options ...Option) (net.PacketConn, error) {
cfg := &option{
interfaceName: DefaultInterface.Load(),
routingMark: int(DefaultRoutingMark.Load()),
}
for _, o := range DefaultOptions {

9
component/script/build_local.go Normal file
View file

@ -0,0 +1,9 @@
//go:build build_local
// +build build_local
package script
/*
#cgo pkg-config: python3-embed
*/
import "C"

25
component/script/build_xgo.go Normal file
View file

@ -0,0 +1,25 @@
//go:build !build_local && cgo
// +build !build_local,cgo
package script
/*
#cgo linux,amd64 pkg-config: python3-embed
#cgo darwin,amd64 CFLAGS: -I/build/python/python-3.9.7-darwin-amd64/include/python3.9
#cgo darwin,arm64 CFLAGS: -I/build/python/python-3.9.7-darwin-arm64/include/python3.9
#cgo windows,amd64 CFLAGS: -I/build/python/python-3.9.7-windows-amd64/include -DMS_WIN64
#cgo windows,386 CFLAGS: -I/build/python/python-3.9.7-windows-386/include
//#cgo linux,amd64 CFLAGS: -I/home/runner/work/clash/clash/bin/python/python-3.9.7-linux-amd64/include/python3.9
//#cgo linux,arm64 CFLAGS: -I/build/python/python-3.9.7-linux-arm64/include/python3.9
//#cgo linux,386 CFLAGS: -I/build/python/python-3.9.7-linux-386/include/python3.9
#cgo darwin,amd64 LDFLAGS: -L/build/python/python-3.9.7-darwin-amd64/lib -lpython3.9 -ldl -framework CoreFoundation
#cgo darwin,arm64 LDFLAGS: -L/build/python/python-3.9.7-darwin-arm64/lib -lpython3.9 -ldl -framework CoreFoundation
#cgo windows,amd64 LDFLAGS: -L/build/python/python-3.9.7-windows-amd64/lib -lpython39 -lpthread -lm
#cgo windows,386 LDFLAGS: -L/build/python/python-3.9.7-windows-386/lib -lpython39 -lpthread -lm
//#cgo linux,amd64 LDFLAGS: -L/home/runner/work/clash/clash/bin/python/python-3.9.7-linux-amd64/lib -lpython3.9 -lpthread -ldl -lutil -lm
//#cgo linux,arm64 LDFLAGS: -L/build/python/python-3.9.7-linux-arm64/lib -lpython3.9 -lpthread -ldl -lutil -lm
//#cgo linux,386 LDFLAGS: -L/build/python/python-3.9.7-linux-386/lib -lpython3.9 -lpthread -ldl -lutil -lm
*/
import "C"

735
component/script/clash_module.c Normal file
View file

@ -0,0 +1,735 @@
#define PY_SSIZE_T_CLEAN
#include "clash_module.h"
#include <structmember.h>
PyObject *clash_module;
PyObject *main_fn;
PyObject *clash_context;
// init_python
void init_python(const char *program, const char *path) {
// Py_NoSiteFlag = 1;
// Py_FrozenFlag = 1;
// Py_IgnoreEnvironmentFlag = 1;
// Py_IsolatedFlag = 1;
append_inittab();
wchar_t *programName = Py_DecodeLocale(program, NULL);
if (programName != NULL) {
Py_SetProgramName(programName);
PyMem_RawFree(programName);
}
// wchar_t *newPath = Py_DecodeLocale(path, NULL);
// if (newPath != NULL) {
// Py_SetPath(newPath);
// PyMem_RawFree(newPath);
// }
// Py_Initialize();
Py_InitializeEx(0);
char *pathPrefix = "import sys; sys.path.append('";
char *pathSuffix = "')";
char *newPath = (char *) malloc(strlen(pathPrefix) + strlen(path) + strlen(pathSuffix));
sprintf(newPath, "%s%s%s", pathPrefix, path, pathSuffix);
PyRun_SimpleString(newPath);
free(newPath);
/* Optionally import the module; alternatively,
import can be deferred until the embedded script
imports it. */
clash_module = PyImport_ImportModule("clash");
}
// Load function, same as "import module_name.func_name as obj" in Python
// Returns the function object or NULL if not found
PyObject *load_func(const char *module_name, char *func_name) {
// Import the module
PyObject *py_mod_name = PyUnicode_FromString(module_name);
if (py_mod_name == NULL) {
return NULL;
}
PyObject *module = PyImport_Import(py_mod_name);
Py_DECREF(py_mod_name);
if (module == NULL) {
return NULL;
}
// Get function, same as "getattr(module, func_name)" in Python
PyObject *func = PyObject_GetAttrString(module, func_name);
Py_DECREF(module);
return func;
}
// Return last error as char *, NULL if there was no error
const char *py_last_error() {
PyObject *err = PyErr_Occurred();
if (err == NULL) {
return NULL;
}
PyObject *type, *value, *traceback;
PyErr_Fetch(&type, &value, &traceback);
if (value == NULL) {
return NULL;
}
PyObject *str = PyObject_Str(value);
const char *utf8 = PyUnicode_AsUTF8(str);
Py_DECREF(str);
PyErr_Clear();
return utf8;
}
void py_clear(PyObject *obj) {
Py_CLEAR(obj);
}
void load_main_func() {
main_fn = load_func(CLASH_SCRIPT_MODULE_NAME, "main");
}
/** callback function, that call go function by python3 script. **/
resolve_ip_callback resolve_ip_callback_fn;
geoip_callback geoip_callback_fn;
rule_provider_callback rule_provider_callback_fn;
log_callback log_callback_fn;
void
set_resolve_ip_callback(resolve_ip_callback cb)
{
resolve_ip_callback_fn = cb;
}
void
set_geoip_callback(geoip_callback cb)
{
geoip_callback_fn = cb;
}
void
set_rule_provider_callback(rule_provider_callback cb)
{
rule_provider_callback_fn = cb;
}
void
set_log_callback(log_callback cb)
{
log_callback_fn = cb;
}
/** end callback function **/
/* --------------------------------------------------------------------- */
/* RuleProvider objects */
typedef struct {
PyObject_HEAD
PyObject *name; /* rule provider name */
} RuleProviderObject;
static int
RuleProvider_traverse(RuleProviderObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->name);
return 0;
}
static int
RuleProvider_clear(RuleProviderObject *self)
{
Py_CLEAR(self->name);
return 0;
}
static void
RuleProvider_dealloc(RuleProviderObject *self)
{
PyObject_GC_UnTrack(self);
RuleProvider_clear(self);
Py_TYPE(self)->tp_free((PyObject *) self);
}
static PyObject *
RuleProvider_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
RuleProviderObject *self;
self = (RuleProviderObject *) type->tp_alloc(type, 0);
if (self != NULL) {
self->name = PyUnicode_FromString("");
if (self->name == NULL) {
Py_DECREF(self);
return NULL;
}
}
return (PyObject *) self;
}
static int
RuleProvider_init(RuleProviderObject *self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"name", NULL};
PyObject *name = NULL, *tmp;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Us", kwlist, &name))
return -1;
if (name) {
tmp = self->name;
Py_INCREF(name);
self->name = name;
Py_DECREF(tmp);
}
return 0;
}
//static PyMemberDef RuleProvider_members[] = {
// {"adapter_type", T_STRING, offsetof(RuleProviderObject, adapter_type), 0,
// "adapter type"},
// {NULL} /* Sentinel */
//};
static PyObject *
RuleProvider_getname(RuleProviderObject *self, void *closure)
{
Py_INCREF(self->name);
return self->name;
}
static int
RuleProvider_setname(RuleProviderObject *self, PyObject *value, void *closure)
{
if (value == NULL) {
PyErr_SetString(PyExc_TypeError, "Cannot delete the name attribute");
return -1;
}
if (!PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"The name attribute value must be a string");
return -1;
}
Py_INCREF(value);
Py_CLEAR(self->name);
self->name = value;
return 0;
}
static PyGetSetDef RuleProvider_getsetters[] = {
{"name", (getter) RuleProvider_getname, (setter) RuleProvider_setname,
"name", NULL},
{NULL} /* Sentinel */
};
static PyObject *
RuleProvider_name(RuleProviderObject *self, PyObject *Py_UNUSED(ignored))
{
Py_INCREF(self->name);
return self->name;
}
static PyObject *
RuleProvider_match(RuleProviderObject *self, PyObject *args)
{
PyObject *result;
PyObject *tmp;
const char *provider_name;
if (!PyArg_ParseTuple(args, "O!", &PyDict_Type, &tmp)) //Format "O","O!","O&": Borrowed reference.
return NULL;
if (tmp == NULL)
Py_RETURN_FALSE;
Py_INCREF(tmp);
// PyObject *py_src_port = PyDict_GetItemString(tmp, "src_port"); //Return value: Borrowed reference.
// PyObject *py_dst_port = PyDict_GetItemString(tmp, "dst_port"); //Return value: Borrowed reference.
// Py_INCREF(py_src_port);
// Py_INCREF(py_dst_port);
// char *c_src_port = (char *) malloc(PyLong_AsSize_t(py_src_port));
// char *c_dst_port = (char *) malloc(PyLong_AsSize_t(py_dst_port));
// sprintf(c_src_port, "%ld", PyLong_AsLong(py_src_port));
// sprintf(c_dst_port, "%ld", PyLong_AsLong(py_dst_port));
struct Metadata metadata = {
.type = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "type")), // PyDict_GetItemString() Return value: Borrowed reference.
.network = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "network")),
.process_name = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "process_name")),
.host = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "host")),
.src_ip = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "src_ip")),
.src_port = (unsigned short)PyLong_AsUnsignedLong(PyDict_GetItemString(tmp, "src_port")),
.dst_ip = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "dst_ip")),
.dst_port = (unsigned short)PyLong_AsUnsignedLong(PyDict_GetItemString(tmp, "dst_port"))
};
// Py_DECREF(py_src_port);
// Py_DECREF(py_dst_port);
Py_INCREF(self->name);
provider_name = PyUnicode_AsUTF8(self->name);
Py_DECREF(self->name);
Py_DECREF(tmp);
int rs = rule_provider_callback_fn(provider_name, &metadata);
result = (rs == 1) ? Py_True : Py_False;
Py_INCREF(result);
return result;
}
static PyMethodDef RuleProvider_methods[] = {
{"name", (PyCFunction) RuleProvider_name, METH_NOARGS,
"Return the RuleProvider name"
},
{"match", (PyCFunction) RuleProvider_match, METH_VARARGS,
"Match the rule by the RuleProvider, match(metadata) -> boolean"
},
{NULL} /* Sentinel */
};
static PyTypeObject RuleProviderType = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "clash.RuleProvider",
.tp_doc = "Clash RuleProvider objects",
.tp_basicsize = sizeof(RuleProviderObject),
.tp_itemsize = 0,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
.tp_new = RuleProvider_new,
.tp_init = (initproc) RuleProvider_init,
.tp_dealloc = (destructor) RuleProvider_dealloc,
.tp_traverse = (traverseproc) RuleProvider_traverse,
.tp_clear = (inquiry) RuleProvider_clear,
// .tp_members = RuleProvider_members,
.tp_methods = RuleProvider_methods,
.tp_getset = RuleProvider_getsetters,
};
/* end RuleProvider objects */
/* --------------------------------------------------------------------- */
/* Context objects */
typedef struct {
PyObject_HEAD
PyObject *rule_providers; /* Dict<String, RuleProvider> */
} ContextObject;
static int
Context_traverse(ContextObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->rule_providers);
return 0;
}
static int
Context_clear(ContextObject *self)
{
Py_CLEAR(self->rule_providers);
return 0;
}
static void
Context_dealloc(ContextObject *self)
{
PyObject_GC_UnTrack(self);
Context_clear(self);
Py_TYPE(self)->tp_free((PyObject *) self);
}
static PyObject *
Context_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
ContextObject *self;
self = (ContextObject *) type->tp_alloc(type, 0);
if (self != NULL) {
self->rule_providers = PyDict_New();
if (self->rule_providers == NULL) {
Py_DECREF(self);
return NULL;
}
}
return (PyObject *) self;
}
static int
Context_init(ContextObject *self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"rule_providers", NULL};
PyObject *rule_providers = NULL, *tmp;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O", kwlist,
&rule_providers))
return -1;
if (rule_providers) {
tmp = self->rule_providers;
Py_INCREF(rule_providers);
self->rule_providers = rule_providers;
Py_DECREF(tmp);
}
return 0;
}
static PyObject *
Context_getrule_providers(ContextObject *self, void *closure)
{
Py_INCREF(self->rule_providers);
return self->rule_providers;
}
static int
Context_setrule_providers(ContextObject *self, PyObject *value, void *closure)
{
if (value == NULL) {
PyErr_SetString(PyExc_TypeError, "Cannot delete the rule_providers attribute");
return -1;
}
if (!PyDict_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"The rule_providers attribute value must be a dict");
return -1;
}
Py_INCREF(value);
Py_CLEAR(self->rule_providers);
self->rule_providers = value;
return 0;
}
static PyGetSetDef Context_getsetters[] = {
{"rule_providers", (getter) Context_getrule_providers, (setter) Context_setrule_providers,
"rule_providers", NULL},
{NULL} /* Sentinel */
};
static PyObject *
Context_resolve_ip(PyObject *self, PyObject *args)
{
const char *host;
const char *ip;
if (!PyArg_ParseTuple(args, "s", &host))
return NULL;
if (host == NULL)
return PyUnicode_FromString("");
ip = resolve_ip_callback_fn(host);
return PyUnicode_FromString(ip);
}
static PyObject *
Context_geoip(PyObject *self, PyObject *args)
{
const char *ip;
const char *countryCode;
if (!PyArg_ParseTuple(args, "s", &ip))
return NULL;
if (ip == NULL)
return PyUnicode_FromString("");
countryCode = geoip_callback_fn(ip);
return PyUnicode_FromString(countryCode);
}
static PyObject *
Context_log(PyObject *self, PyObject *args)
{
const char *msg;
if (!PyArg_ParseTuple(args, "s", &msg))
return NULL;
log_callback_fn(msg);
Py_RETURN_NONE;
}
static PyMethodDef Context_methods[] = {
{"resolve_ip", (PyCFunction) Context_resolve_ip, METH_VARARGS,
"resolve_ip(host) -> string"
},
{"geoip", (PyCFunction) Context_geoip, METH_VARARGS,
"geoip(ip) -> string"
},
{"log", (PyCFunction) Context_log, METH_VARARGS,
"log(msg) -> void"
},
{NULL} /* Sentinel */
};
static PyTypeObject ContextType = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "clash.Context",
.tp_doc = "Clash Context objects",
.tp_basicsize = sizeof(ContextObject),
.tp_itemsize = 0,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
.tp_new = Context_new,
.tp_init = (initproc) Context_init,
.tp_dealloc = (destructor) Context_dealloc,
.tp_traverse = (traverseproc) Context_traverse,
.tp_clear = (inquiry) Context_clear,
.tp_methods = Context_methods,
.tp_getset = Context_getsetters,
};
static PyModuleDef clashmodule = {
PyModuleDef_HEAD_INIT,
.m_name = "clash",
.m_doc = "Clash module that creates an extension module for python3.",
.m_size = -1,
};
PyMODINIT_FUNC
PyInit_clash(void)
{
PyObject *m;
m = PyModule_Create(&clashmodule);
if (m == NULL)
return NULL;
if (PyType_Ready(&RuleProviderType) < 0)
return NULL;
Py_INCREF(&RuleProviderType);
if (PyModule_AddObject(m, "RuleProvider", (PyObject *) &RuleProviderType) < 0) {
Py_DECREF(&RuleProviderType);
Py_DECREF(m);
return NULL;
}
if (PyType_Ready(&ContextType) < 0)
return NULL;
Py_INCREF(&ContextType);
if (PyModule_AddObject(m, "Context", (PyObject *) &ContextType) < 0) {
Py_DECREF(&ContextType);
Py_DECREF(m);
return NULL;
}
return m;
}
/* end Context objects */
/* --------------------------------------------------------------------- */
void
append_inittab()
{
/* Add a built-in module, before Py_Initialize */
PyImport_AppendInittab("clash", PyInit_clash);
}
int new_clash_py_context(const char *provider_name_arr[], int size) {
PyObject *dict = PyDict_New(); //Return value: New reference.
if (dict == NULL) {
PyErr_SetString(PyExc_TypeError,
"PyDict_New failure");
return 0;
}
for (int i = 0; i < size; i++) {
PyObject *rule_provider = RuleProvider_new(&RuleProviderType, NULL, NULL);
if (rule_provider == NULL) {
Py_DECREF(dict);
PyErr_SetString(PyExc_TypeError,
"RuleProvider_new failure");
return 0;
}
RuleProviderObject *providerObj = (RuleProviderObject *) rule_provider;
PyObject *py_name = PyUnicode_FromString(provider_name_arr[i]); //Return value: New reference.
RuleProvider_setname(providerObj, py_name, NULL);
Py_DECREF(py_name);
PyDict_SetItemString(dict, provider_name_arr[i], rule_provider); //Parameter value: New reference.
Py_DECREF(rule_provider);
}
clash_context = Context_new(&ContextType, NULL, NULL);
if (clash_context == NULL) {
Py_DECREF(dict);
PyErr_SetString(PyExc_TypeError,
"Context_new failure");
return 0;
}
Context_setrule_providers((ContextObject *) clash_context, dict, NULL);
Py_DECREF(dict);
return 1;
}
const char *call_main(
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port) {
PyObject *metadataDict;
PyObject *tupleArgs;
PyObject *result;
metadataDict = PyDict_New(); //Return value: New reference.
if (metadataDict == NULL) {
PyErr_SetString(PyExc_TypeError,
"PyDict_New failure");
return "-1";
}
PyObject *p_type = PyUnicode_FromString(type); //Return value: New reference.
PyObject *p_network = PyUnicode_FromString(network); //Return value: New reference.
PyObject *p_process_name = PyUnicode_FromString(process_name); //Return value: New reference.
PyObject *p_host = PyUnicode_FromString(host); //Return value: New reference.
PyObject *p_src_ip = PyUnicode_FromString(src_ip); //Return value: New reference.
PyObject *p_src_port = PyLong_FromUnsignedLong((unsigned long)src_port); //Return value: New reference.
PyObject *p_dst_ip = PyUnicode_FromString(dst_ip); //Return value: New reference.
PyObject *p_dst_port = PyLong_FromUnsignedLong((unsigned long)dst_port); //Return value: New reference.
PyDict_SetItemString(metadataDict, "type", p_type); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "network", p_network); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "process_name", p_process_name); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "host", p_host); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "src_ip", p_src_ip); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "src_port", p_src_port); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "dst_ip", p_dst_ip); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "dst_port", p_dst_port); //Parameter value: New reference.
Py_DECREF(p_type);
Py_DECREF(p_network);
Py_DECREF(p_process_name);
Py_DECREF(p_host);
Py_DECREF(p_src_ip);
Py_DECREF(p_src_port);
Py_DECREF(p_dst_ip);
Py_DECREF(p_dst_port);
tupleArgs = PyTuple_New(2); //Return value: New reference.
if (tupleArgs == NULL) {
Py_DECREF(metadataDict);
PyErr_SetString(PyExc_TypeError,
"PyTuple_New failure");
return "-1";
}
Py_INCREF(clash_context);
PyTuple_SetItem(tupleArgs, 0, clash_context); //clash_context Parameter value: Stolen reference.
PyTuple_SetItem(tupleArgs, 1, metadataDict); //metadataDict Parameter value: Stolen reference.
Py_INCREF(main_fn);
result = PyObject_CallObject(main_fn, tupleArgs); //Return value: New reference.
Py_DECREF(main_fn);
Py_DECREF(tupleArgs);
if (result == NULL) {
return "-1";
}
if (!PyUnicode_Check(result)) {
Py_DECREF(result);
PyErr_SetString(PyExc_TypeError,
"script main function return value must be a string");
return "-1";
}
const char *adapter = PyUnicode_AsUTF8(result);
Py_DECREF(result);
return adapter;
}
int call_shortcut(PyObject *shortcut_fn,
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port) {
PyObject *args;
PyObject *result;
args = Py_BuildValue("{s:O, s:s, s:s, s:s, s:s, s:H, s:s, s:H}",
"ctx", clash_context,
"network", network,
"process_name", process_name,
"host", host,
"src_ip", src_ip,
"src_port", src_port,
"dst_ip", dst_ip,
"dst_port", dst_port); //Return value: New reference.
if (args == NULL) {
PyErr_SetString(PyExc_TypeError,
"Py_BuildValue failure");
return -1;
}
PyObject *tupleArgs = PyTuple_New(0); //Return value: New reference.
Py_INCREF(clash_context);
Py_INCREF(shortcut_fn);
result = PyObject_Call(shortcut_fn, tupleArgs, args); //Return value: New reference.
Py_DECREF(shortcut_fn);
Py_DECREF(clash_context);
Py_DECREF(tupleArgs);
Py_DECREF(args);
if (result == NULL) {
return -1;
}
if (!PyBool_Check(result)) {
Py_DECREF(result);
PyErr_SetString(PyExc_TypeError,
"script shortcut return value must be as boolean");
return -1;
}
int rs = (result == Py_True) ? 1 : 0;
Py_DECREF(result);
return rs;
}
void finalize_Python() {
Py_CLEAR(main_fn);
Py_CLEAR(clash_context);
Py_CLEAR(clash_module);
Py_FinalizeEx();
// clash_module = NULL;
// main_fn = NULL;
// clash_context = NULL;
}
/* --------------------------------------------------------------------- */

337
component/script/clash_module.go Normal file
View file

@ -0,0 +1,337 @@
package script
/*
#include "clash_module.h"
extern const char *resolveIPCallbackFn(const char *host);
void
go_set_resolve_ip_callback() {
set_resolve_ip_callback(resolveIPCallbackFn);
}
extern const char *geoipCallbackFn(const char *ip);
void
go_set_geoip_callback() {
set_geoip_callback(geoipCallbackFn);
}
extern const int ruleProviderCallbackFn(const char *provider_name, struct Metadata *metadata);
void
go_set_rule_provider_callback() {
set_rule_provider_callback(ruleProviderCallbackFn);
}
extern void logCallbackFn(const char *msg);
void
go_set_log_callback() {
set_log_callback(logCallbackFn);
}
*/
import "C"
import (
"errors"
"fmt"
"os"
"runtime"
"strconv"
"strings"
"sync"
"syscall"
"unsafe"
"github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
const ClashScriptModuleName = C.CLASH_SCRIPT_MODULE_NAME
var lock sync.Mutex
type PyObject C.PyObject
func togo(cobject *C.PyObject) *PyObject {
return (*PyObject)(cobject)
}
func toc(object *PyObject) *C.PyObject {
return (*C.PyObject)(object)
}
func (pyObject *PyObject) IncRef() {
C.Py_IncRef(toc(pyObject))
}
func (pyObject *PyObject) DecRef() {
C.Py_DecRef(toc(pyObject))
}
func (pyObject *PyObject) Clear() {
C.py_clear(toc(pyObject))
}
// Py_Initialize initialize Python3
func Py_Initialize(program string, path string) error {
lock.Lock()
defer lock.Unlock()
if C.Py_IsInitialized() != 0 {
if pyThreadState != nil {
PyEval_RestoreThread(pyThreadState)
}
C.finalize_Python()
}
path = strings.ReplaceAll(path, "\\", "/")
cPath := C.CString(path)
//defer C.free(unsafe.Pointer(cPath))
C.init_python(C.CString(program), cPath)
err := PyLastError()
if err != nil {
if C.Py_IsInitialized() != 0 {
C.finalize_Python()
_ = os.RemoveAll(constant.Path.ScriptDir())
}
return err
} else if C.Py_IsInitialized() == 0 {
err = errors.New("initialized script module failure")
return err
}
initPython3Callback()
return nil
}
func Py_IsInitialized() bool {
lock.Lock()
defer lock.Unlock()
return C.Py_IsInitialized() != 0
}
func Py_Finalize() {
lock.Lock()
defer lock.Unlock()
if C.Py_IsInitialized() != 0 {
if pyThreadState != nil {
PyEval_RestoreThread(pyThreadState)
}
C.finalize_Python()
_ = os.RemoveAll(constant.Path.ScriptDir())
log.Warnln("Clash clean up script mode.")
}
}
//Py_GetVersion get
func Py_GetVersion() string {
cversion := C.Py_GetVersion()
return strings.Split(C.GoString(cversion), "\n")[0]
}
// loadPyFunc loads a Python function by module and function name
func loadPyFunc(moduleName, funcName string) (*C.PyObject, error) {
// Convert names to C char*
cMod := C.CString(moduleName)
cFunc := C.CString(funcName)
// Free memory allocated by C.CString
defer func() {
C.free(unsafe.Pointer(cMod))
C.free(unsafe.Pointer(cFunc))
}()
fnc := C.load_func(cMod, cFunc)
if fnc == nil {
return nil, PyLastError()
}
return fnc, nil
}
//PyLastError python last error
func PyLastError() error {
cp := C.py_last_error()
if cp == nil {
return nil
}
return errors.New(C.GoString(cp))
}
func LoadShortcutFunction(shortcut string) (*PyObject, error) {
fnc, err := loadPyFunc(ClashScriptModuleName, shortcut)
if err != nil {
return nil, err
}
return togo(fnc), nil
}
func LoadMainFunction() error {
C.load_main_func()
err := PyLastError()
if err != nil {
return err
}
return nil
}
//CallPyMainFunction call python script main function
//return the proxy adapter name.
func CallPyMainFunction(mtd *constant.Metadata) (string, error) {
_type := C.CString(mtd.Type.String())
network := C.CString(mtd.NetWork.String())
processName := C.CString(mtd.Process)
host := C.CString(mtd.Host)
srcPortGo, _ := strconv.ParseUint(mtd.SrcPort, 10, 16)
dstPortGo, _ := strconv.ParseUint(mtd.DstPort, 10, 16)
srcPort := C.ushort(srcPortGo)
dstPort := C.ushort(dstPortGo)
dstIpGo := ""
srcIpGo := ""
if mtd.SrcIP != nil {
srcIpGo = mtd.SrcIP.String()
}
if mtd.DstIP != nil {
dstIpGo = mtd.DstIP.String()
}
srcIp := C.CString(srcIpGo)
dstIp := C.CString(dstIpGo)
defer func() {
C.free(unsafe.Pointer(_type))
C.free(unsafe.Pointer(network))
C.free(unsafe.Pointer(processName))
C.free(unsafe.Pointer(host))
C.free(unsafe.Pointer(srcIp))
C.free(unsafe.Pointer(dstIp))
}()
runtime.LockOSThread()
gilState := PyGILState_Ensure()
defer PyGILState_Release(gilState)
cRs := C.call_main(_type, network, processName, host, srcIp, srcPort, dstIp, dstPort)
rs := C.GoString(cRs)
if rs == "-1" {
err := PyLastError()
if err != nil {
log.Errorln("[Script] script code error: %s", err.Error())
killSelf()
return "", fmt.Errorf("script code error: %w", err)
} else {
return "", fmt.Errorf("script code error, result: %v", rs)
}
}
return rs, nil
}
//CallPyShortcut call python script shortcuts function
//param: shortcut name
//return the match result.
func CallPyShortcut(fn *PyObject, mtd *constant.Metadata) (bool, error) {
_type := C.CString(mtd.Type.String())
network := C.CString(mtd.NetWork.String())
processName := C.CString(mtd.Process)
host := C.CString(mtd.Host)
srcPortGo, _ := strconv.ParseUint(mtd.SrcPort, 10, 16)
dstPortGo, _ := strconv.ParseUint(mtd.DstPort, 10, 16)
srcPort := C.ushort(srcPortGo)
dstPort := C.ushort(dstPortGo)
dstIpGo := ""
srcIpGo := ""
if mtd.SrcIP != nil {
srcIpGo = mtd.SrcIP.String()
}
if mtd.DstIP != nil {
dstIpGo = mtd.DstIP.String()
}
srcIp := C.CString(srcIpGo)
dstIp := C.CString(dstIpGo)
defer func() {
C.free(unsafe.Pointer(_type))
C.free(unsafe.Pointer(network))
C.free(unsafe.Pointer(processName))
C.free(unsafe.Pointer(host))
C.free(unsafe.Pointer(srcIp))
C.free(unsafe.Pointer(dstIp))
}()
runtime.LockOSThread()
gilState := PyGILState_Ensure()
defer PyGILState_Release(gilState)
cRs := C.call_shortcut(toc(fn), _type, network, processName, host, srcIp, srcPort, dstIp, dstPort)
rs := int(cRs)
if rs == -1 {
err := PyLastError()
if err != nil {
log.Errorln("[Script] script shortcut code error: %s", err.Error())
killSelf()
return false, fmt.Errorf("script shortcut code error: %w", err)
} else {
return false, fmt.Errorf("script shortcut code error: result: %d", rs)
}
}
if rs == 1 {
return true, nil
} else {
return false, nil
}
}
func initPython3Callback() {
C.go_set_resolve_ip_callback()
C.go_set_geoip_callback()
C.go_set_rule_provider_callback()
C.go_set_log_callback()
}
//NewClashPyContext new clash context for python
func NewClashPyContext(ruleProvidersName []string) error {
length := len(ruleProvidersName)
cStringArr := make([]*C.char, length)
for i, v := range ruleProvidersName {
cStringArr[i] = C.CString(v)
defer C.free(unsafe.Pointer(cStringArr[i]))
}
cArrPointer := unsafe.Pointer(nil)
if length > 0 {
cArrPointer = unsafe.Pointer(&cStringArr[0])
}
rs := C.new_clash_py_context((**C.char)(cArrPointer), C.int(length))
if int(rs) == 0 {
err := PyLastError()
return fmt.Errorf("new script module context failure: %s", err.Error())
}
return nil
}
func killSelf() {
p, err := os.FindProcess(os.Getpid())
if err != nil {
os.Exit(int(syscall.SIGINT))
return
}
_ = p.Signal(syscall.SIGINT)
}

62
component/script/clash_module.h Normal file
View file

@ -0,0 +1,62 @@
#ifndef CLASH_CALLBACK_MODULE_H__
#define CLASH_CALLBACK_MODULE_H__
#include <Python.h>
#define CLASH_SCRIPT_MODULE_NAME "clash_script"
struct Metadata {
const char *type; /* type socks5/http */
const char *network; /* network tcp/udp */
const char *process_name;
const char *host;
const char *src_ip;
unsigned short src_port;
const char *dst_ip;
unsigned short dst_port;
};
/** callback function, that call go function by python3 script. **/
typedef const char *(*resolve_ip_callback)(const char *host);
typedef const char *(*geoip_callback)(const char *ip);
typedef const int (*rule_provider_callback)(const char *provider_name, struct Metadata *metadata);
typedef void (*log_callback)(const char *msg);
void set_resolve_ip_callback(resolve_ip_callback cb);
void set_geoip_callback(geoip_callback cb);
void set_rule_provider_callback(rule_provider_callback cb);
void set_log_callback(log_callback cb);
/*---------------------------------------------------------------*/
void append_inittab();
void init_python(const char *program, const char *path);
void load_main_func();
void finalize_Python();
void py_clear(PyObject *obj);
const char *py_last_error();
PyObject *load_func(const char *module_name, char *func_name);
int new_clash_py_context(const char *provider_name_arr[], int size);
const char *call_main(
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port);
int call_shortcut(PyObject *shortcut_fn,
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port);
#endif // CLASH_CALLBACK_MODULE_H__

136
component/script/clash_module_export.go Normal file
View file

@ -0,0 +1,136 @@
package script
/*
#include "clash_module.h"
*/
import "C"
import (
"net"
"strconv"
"strings"
"unsafe"
"github.com/Dreamacro/clash/component/mmdb"
"github.com/Dreamacro/clash/component/resolver"
"github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
var (
ruleProviders = map[string]constant.Rule{}
pyThreadState *PyThreadState
)
func UpdateRuleProviders(rpd map[string]constant.Rule) {
ruleProviders = rpd
if Py_IsInitialized() {
pyThreadState = PyEval_SaveThread()
}
}
//export resolveIPCallbackFn
func resolveIPCallbackFn(cHost *C.char) *C.char {
host := C.GoString(cHost)
if len(host) == 0 {
cip := C.CString("")
defer C.free(unsafe.Pointer(cip))
return cip
}
if ip, err := resolver.ResolveIP(host); err == nil {
cip := C.CString(ip.String())
defer C.free(unsafe.Pointer(cip))
return cip
} else {
log.Errorln("[Script] resolve ip error: %s", err.Error())
cip := C.CString("")
defer C.free(unsafe.Pointer(cip))
return cip
}
}
//export geoipCallbackFn
func geoipCallbackFn(cIP *C.char) *C.char {
dstIP := net.ParseIP(C.GoString(cIP))
if dstIP == nil {
emptyC := C.CString("")
defer C.free(unsafe.Pointer(emptyC))
return emptyC
}
if dstIP.IsPrivate() || constant.TunBroadcastAddr.Equal(dstIP) {
lanC := C.CString("LAN")
defer C.free(unsafe.Pointer(lanC))
return lanC
}
record, _ := mmdb.Instance().Country(dstIP)
rc := C.CString(strings.ToUpper(record.Country.IsoCode))
defer C.free(unsafe.Pointer(rc))
return rc
}
//export ruleProviderCallbackFn
func ruleProviderCallbackFn(cProviderName *C.char, cMetadata *C.struct_Metadata) C.int {
//_type := C.GoString(cMetadata._type)
//network := C.GoString(cMetadata.network)
processName := C.GoString(cMetadata.process_name)
host := C.GoString(cMetadata.host)
srcIp := C.GoString(cMetadata.src_ip)
srcPort := strconv.Itoa(int(cMetadata.src_port))
dstIp := C.GoString(cMetadata.dst_ip)
dstPort := strconv.Itoa(int(cMetadata.dst_port))
dst := net.ParseIP(dstIp)
addrType := constant.AtypDomainName
if dst != nil {
if dst.To4() != nil {
addrType = constant.AtypIPv4
} else {
addrType = constant.AtypIPv6
}
}
metadata := &constant.Metadata{
Process: processName,
SrcIP: net.ParseIP(srcIp),
DstIP: dst,
SrcPort: srcPort,
DstPort: dstPort,
AddrType: addrType,
Host: host,
}
providerName := C.GoString(cProviderName)
rule, ok := ruleProviders[providerName]
if !ok {
log.Warnln("[Script] rule provider [%s] not found", providerName)
return C.int(0)
}
if strings.HasPrefix(providerName, "geosite:") {
if len(host) == 0 {
return C.int(0)
}
metadata.AddrType = constant.AtypDomainName
}
rs := rule.Match(metadata)
if rs {
return C.int(1)
}
return C.int(0)
}
//export logCallbackFn
func logCallbackFn(msg *C.char) {
log.Infoln(C.GoString(msg))
}

52
component/script/thread.go Normal file
View file

@ -0,0 +1,52 @@
package script
/*
#include "Python.h"
*/
import "C"
//PyThreadState : https://docs.python.org/3/c-api/init.html#c.PyThreadState
type PyThreadState C.PyThreadState
//PyGILState is an opaque “handle” to the thread state when PyGILState_Ensure() was called, and must be passed to PyGILState_Release() to ensure Python is left in the same state
type PyGILState C.PyGILState_STATE
//PyEval_SaveThread : https://docs.python.org/3/c-api/init.html#c.PyEval_SaveThread
func PyEval_SaveThread() *PyThreadState {
return (*PyThreadState)(C.PyEval_SaveThread())
}
//PyEval_RestoreThread : https://docs.python.org/3/c-api/init.html#c.PyEval_RestoreThread
func PyEval_RestoreThread(tstate *PyThreadState) {
C.PyEval_RestoreThread((*C.PyThreadState)(tstate))
}
//PyThreadState_Get : https://docs.python.org/3/c-api/init.html#c.PyThreadState_Get
func PyThreadState_Get() *PyThreadState {
return (*PyThreadState)(C.PyThreadState_Get())
}
//PyThreadState_Swap : https://docs.python.org/3/c-api/init.html#c.PyThreadState_Swap
func PyThreadState_Swap(tstate *PyThreadState) *PyThreadState {
return (*PyThreadState)(C.PyThreadState_Swap((*C.PyThreadState)(tstate)))
}
//PyGILState_Ensure : https://docs.python.org/3/c-api/init.html#c.PyGILState_Ensure
func PyGILState_Ensure() PyGILState {
return PyGILState(C.PyGILState_Ensure())
}
//PyGILState_Release : https://docs.python.org/3/c-api/init.html#c.PyGILState_Release
func PyGILState_Release(state PyGILState) {
C.PyGILState_Release(C.PyGILState_STATE(state))
}
//PyGILState_GetThisThreadState : https://docs.python.org/3/c-api/init.html#c.PyGILState_GetThisThreadState
func PyGILState_GetThisThreadState() *PyThreadState {
return (*PyThreadState)(C.PyGILState_GetThisThreadState())
}
//PyGILState_Check : https://docs.python.org/3/c-api/init.html#c.PyGILState_Check
func PyGILState_Check() bool {
return C.PyGILState_Check() == 1
}

19
constant/rule_extra.go
View file

@ -2,6 +2,7 @@ package constant
import (
"net"
"strings"
"github.com/Dreamacro/clash/component/geodata/router"
)
@ -9,8 +10,9 @@ import (
var TunBroadcastAddr = net.IPv4(198, 18, 255, 255)
type RuleExtra struct {
Network NetWork
SourceIPs []*net.IPNet
Network NetWork
SourceIPs []*net.IPNet
ProcessNames []string
}
func (re *RuleExtra) NotMatchNetwork(network NetWork) bool {
@ -30,6 +32,19 @@ func (re *RuleExtra) NotMatchSourceIP(srcIP net.IP) bool {
return true
}
func (re *RuleExtra) NotMatchProcessName(processName string) bool {
if re.ProcessNames == nil {
return false
}
for _, pn := range re.ProcessNames {
if strings.EqualFold(pn, processName) {
return false
}
}
return true
}
type RuleGeoSite interface {
GetDomainMatcher() *router.DomainMatcher
}

2
go.mod
View file

@ -41,6 +41,8 @@ require (
github.com/marten-seemann/qtls-go1-18 v0.1.0-beta.1 // indirect
github.com/nxadm/tail v1.4.8 // indirect
github.com/onsi/ginkgo v1.16.4 // indirect
github.com/google/btree v1.0.1 // indirect
github.com/kr/pretty v0.2.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/u-root/uio v0.0.0-20210528114334-82958018845c // indirect
golang.org/x/mod v0.4.2 // indirect

10
hub/route/configs.go
View file

@ -79,15 +79,7 @@ func patchConfigs(w http.ResponseWriter, r *http.Request) {
P.ReCreateMixed(pointerOrDefault(general.MixedPort, ports.MixedPort), tcpIn, udpIn)
if general.Tun != nil {
err := P.ReCreateTun(*general.Tun, tcpIn, udpIn)
if err == nil {
log.Infoln("Recreate tun success.")
} else {
log.Errorln("Recreate tun failed: %s", err.Error())
render.Status(r, http.StatusBadRequest)
render.JSON(w, r, newError(err.Error()))
return
}
P.ReCreateTun(*general.Tun, tcpIn, udpIn)
}
if general.Mode != nil {

1
listener/tun/dev/dev_windows.go
View file

@ -10,7 +10,6 @@ import (
"errors"
"fmt"
"os"
"sync/atomic"
"time"
_ "unsafe"

4
listener/tun/dev/wintun/session_windows.go
View file

@ -86,7 +86,5 @@ func (session Session) AllocateSendPacket(packetSize int) (packet []byte, err er
}
func (session Session) SendPacket(packet []byte) {
if packet != nil && len(packet) > 0 {
syscall.Syscall(procWintunSendPacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packet[0])), 0)
}
syscall.Syscall(procWintunSendPacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packet[0])), 0)
}

31
listener/tun/ipstack/gvisor/tun.go
View file

@ -5,6 +5,7 @@ import (
"errors"
"fmt"
"net"
"strconv"
"strings"
"sync"
@ -47,14 +48,13 @@ type gvisorAdapter struct {
writeHandle *channel.NotificationHandle
}
// NewAdapter GvisorAdapter create GvisorAdapter
// GvisorAdapter create GvisorAdapter
func NewAdapter(device dev.TunDevice, conf config.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.TunAdapter, error) {
ipstack := stack.New(stack.Options{
NetworkProtocols: []stack.NetworkProtocolFactory{ipv4.NewProtocol, ipv6.NewProtocol},
TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol, udp.NewProtocol},
})
adapter := &gvisorAdapter{
device: device,
ipstack: ipstack,
udpIn: udpIn,
@ -85,10 +85,13 @@ func NewAdapter(device dev.TunDevice, conf config.Tun, tcpIn chan<- C.ConnContex
// maximum number of half-open tcp connection set to 1024
// receive buffer size set to 20k
tcpFwd := tcp.NewForwarder(ipstack, pool.RelayBufferSize, 1024, func(r *tcp.ForwarderRequest) {
src := net.JoinHostPort(r.ID().RemoteAddress.String(), strconv.Itoa((int)(r.ID().RemotePort)))
dst := net.JoinHostPort(r.ID().LocalAddress.String(), strconv.Itoa((int)(r.ID().LocalPort)))
log.Debugln("Get TCP Syn %v -> %s in ipstack", src, dst)
var wq waiter.Queue
ep, err := r.CreateEndpoint(&wq)
if err != nil {
log.Warnln("Can't create TCP Endpoint in ipstack: %v", err)
log.Warnln("Can't create TCP Endpoint(%s -> %s) in ipstack: %v", src, dst, err)
r.Complete(true)
return
}
@ -113,7 +116,7 @@ func NewAdapter(device dev.TunDevice, conf config.Tun, tcpIn chan<- C.ConnContex
ipstack.SetTransportProtocolHandler(udp.ProtocolNumber, adapter.udpHandlePacket)
if resolver.DefaultResolver != nil {
err = adapter.ReCreateDNSServer(resolver.DefaultResolver.(*dns.Resolver), resolver.DefaultHostMapper.(*dns.ResolverEnhancer), conf.DnsHijack)
err = adapter.ReCreateDNSServer(resolver.DefaultResolver.(*dns.Resolver), resolver.DefaultHostMapper.(*dns.ResolverEnhancer), conf.DNSListen)
if err != nil {
return nil, err
}
@ -190,6 +193,9 @@ func (t *gvisorAdapter) AsLinkEndpoint() (result stack.LinkEndpoint, err error)
for !t.device.IsClose() {
packet := make([]byte, mtu)
n, err := t.device.Read(packet)
if n == 0 {
continue
}
if err != nil && !t.device.IsClose() {
log.Errorln("can not read from tun: %v", err)
continue
@ -202,9 +208,12 @@ func (t *gvisorAdapter) AsLinkEndpoint() (result stack.LinkEndpoint, err error)
p = header.IPv6ProtocolNumber
}
if linkEP.IsAttached() {
linkEP.InjectInbound(p, stack.NewPacketBuffer(stack.PacketBufferOptions{
packetBuffer := stack.NewPacketBuffer(stack.PacketBufferOptions{
Data: buffer.View(packet[:n]).ToVectorisedView(),
}))
})
linkEP.InjectInbound(p, packetBuffer)
packetBuffer.DecRef()
} else {
log.Debugln("received packet from tun when %s is not attached to any dispatcher.", t.device.Name())
}
@ -222,14 +231,14 @@ func (t *gvisorAdapter) AsLinkEndpoint() (result stack.LinkEndpoint, err error)
// WriteNotify implements channel.Notification.WriteNotify.
func (t *gvisorAdapter) WriteNotify() {
packet, ok := t.linkCache.Read()
if ok {
packetBuffer := t.linkCache.Read()
if packetBuffer != nil {
var vv buffer.VectorisedView
// Append upper headers.
vv.AppendView(packet.Pkt.NetworkHeader().View())
vv.AppendView(packet.Pkt.TransportHeader().View())
vv.AppendView(packetBuffer.NetworkHeader().View())
vv.AppendView(packetBuffer.TransportHeader().View())
// Append data payload.
vv.Append(packet.Pkt.Data().ExtractVV())
vv.Append(packetBuffer.Data().ExtractVV())
_, err := t.device.Write(vv.ToView())
if err != nil && !t.device.IsClose() {

87
listener/tun/ipstack/lwip/dns.go Normal file
View file

@ -0,0 +1,87 @@
package lwip
import (
"encoding/binary"
"io"
"net"
"time"
"github.com/Dreamacro/clash/component/resolver"
D "github.com/Dreamacro/clash/listener/tun/ipstack/commons"
"github.com/Dreamacro/clash/log"
"github.com/yaling888/go-lwip"
)
const defaultDnsReadTimeout = time.Second * 8
func shouldHijackDns(dnsIP net.IP, targetIp net.IP, targetPort int) bool {
if targetPort != 53 {
return false
}
return dnsIP.Equal(net.IPv4zero) || dnsIP.Equal(targetIp)
}
func hijackUDPDns(conn golwip.UDPConn, pkt []byte, addr *net.UDPAddr) {
go func() {
defer func(conn golwip.UDPConn) {
_ = conn.Close()
}(conn)
answer, err := D.RelayDnsPacket(pkt)
if err != nil {
return
}
_, _ = conn.WriteFrom(answer, addr)
}()
}
func hijackTCPDns(conn net.Conn) {
go func() {
defer func(conn net.Conn) {
_ = conn.Close()
}(conn)
if err := conn.SetDeadline(time.Now().Add(defaultDnsReadTimeout)); err != nil {
return
}
for {
var length uint16
if binary.Read(conn, binary.BigEndian, &length) != nil {
return
}
data := make([]byte, length)
_, err := io.ReadFull(conn, data)
if err != nil {
return
}
rb, err := D.RelayDnsPacket(data)
if err != nil {
continue
}
if binary.Write(conn, binary.BigEndian, uint16(len(rb))) != nil {
return
}
if _, err = conn.Write(rb); err != nil {
return
}
}
}()
}
type dnsHandler struct{}
func newDnsHandler() golwip.DnsHandler {
return &dnsHandler{}
}
func (d dnsHandler) ResolveIP(host string) (net.IP, error) {
log.Debugln("[TUN] lwip resolve ip for host: %s", host)
return resolver.ResolveIP(host)
}

61
listener/tun/ipstack/lwip/tcp.go Normal file
View file

@ -0,0 +1,61 @@
package lwip
import (
"net"
"strconv"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
"github.com/Dreamacro/clash/log"
"github.com/yaling888/go-lwip"
)
type tcpHandler struct {
dnsIP net.IP
tcpIn chan<- C.ConnContext
}
func newTCPHandler(dnsIP net.IP, tcpIn chan<- C.ConnContext) golwip.TCPConnHandler {
return &tcpHandler{dnsIP, tcpIn}
}
func (h *tcpHandler) Handle(conn net.Conn, target *net.TCPAddr) error {
if shouldHijackDns(h.dnsIP, target.IP, target.Port) {
hijackTCPDns(conn)
log.Debugln("[TUN] hijack dns tcp: %s:%d", target.IP.String(), target.Port)
return nil
}
if conn.RemoteAddr() == nil {
_ = conn.Close()
return nil
}
src, _ := conn.LocalAddr().(*net.TCPAddr)
dst, _ := conn.RemoteAddr().(*net.TCPAddr)
addrType := C.AtypIPv4
if dst.IP.To4() == nil {
addrType = C.AtypIPv6
}
metadata := &C.Metadata{
NetWork: C.TCP,
Type: C.TUN,
SrcIP: src.IP,
DstIP: dst.IP,
SrcPort: strconv.Itoa(src.Port),
DstPort: strconv.Itoa(dst.Port),
AddrType: addrType,
Host: "",
}
go func(conn net.Conn, metadata *C.Metadata) {
//if c, ok := conn.(*net.TCPConn); ok {
// c.SetKeepAlive(true)
//}
h.tcpIn <- context.NewConnContext(conn, metadata)
}(conn, metadata)
return nil
}

121
listener/tun/ipstack/lwip/tun.go Normal file
View file

@ -0,0 +1,121 @@
package lwip
import (
"io"
"net"
"sync"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/listener/tun/dev"
"github.com/Dreamacro/clash/listener/tun/ipstack"
"github.com/Dreamacro/clash/log"
"github.com/yaling888/go-lwip"
)
type lwipAdapter struct {
device dev.TunDevice
lwipStack golwip.LWIPStack
lock sync.Mutex
mtu int
stackName string
dnsListen string
autoRoute bool
}
func NewAdapter(device dev.TunDevice, conf config.Tun, mtu int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.TunAdapter, error) {
adapter := &lwipAdapter{
device: device,
mtu: mtu,
stackName: conf.Stack,
dnsListen: conf.DNSListen,
autoRoute: conf.AutoRoute,
}
adapter.lock.Lock()
defer adapter.lock.Unlock()
dnsHost, _, err := net.SplitHostPort(conf.DNSListen)
if err != nil {
return nil, err
}
dnsIP := net.ParseIP(dnsHost)
// Register output function, write packets from lwip stack to tun device
golwip.RegisterOutputFn(func(data []byte) (int, error) {
return device.Write(data)
})
// Set custom buffer pool
golwip.SetPoolAllocator(newLWIPPool())
// Setup TCP/IP stack.
lwipStack, err := golwip.NewLWIPStack(mtu)
if err != nil {
return nil, err
}
adapter.lwipStack = lwipStack
golwip.RegisterDnsHandler(newDnsHandler())
golwip.RegisterTCPConnHandler(newTCPHandler(dnsIP, tcpIn))
golwip.RegisterUDPConnHandler(newUDPHandler(dnsIP, udpIn))
// Copy packets from tun device to lwip stack, it's the loop.
go func(lwipStack golwip.LWIPStack, device dev.TunDevice, mtu int) {
_, err := io.CopyBuffer(lwipStack.(io.Writer), device, make([]byte, mtu))
if err != nil {
log.Debugln("copying data failed: %v", err)
}
}(lwipStack, device, mtu)
return adapter, nil
}
func (l *lwipAdapter) Stack() string {
return l.stackName
}
func (l *lwipAdapter) AutoRoute() bool {
return l.autoRoute
}
func (l *lwipAdapter) DNSListen() string {
return l.dnsListen
}
func (l *lwipAdapter) Close() {
l.lock.Lock()
defer l.lock.Unlock()
l.stopLocked()
}
func (l *lwipAdapter) stopLocked() {
if l.lwipStack != nil {
_ = l.lwipStack.Close()
}
if l.device != nil {
_ = l.device.Close()
}
l.lwipStack = nil
l.device = nil
}
type lwipPool struct{}
func (p lwipPool) Get(size int) []byte {
return pool.Get(size)
}
func (p lwipPool) Put(buf []byte) error {
return pool.Put(buf)
}
func newLWIPPool() golwip.LWIPPool {
return &lwipPool{}
}

74
listener/tun/ipstack/lwip/udp.go Normal file
View file

@ -0,0 +1,74 @@
package lwip
import (
"io"
"net"
"github.com/Dreamacro/clash/adapter/inbound"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/transport/socks5"
"github.com/yaling888/go-lwip"
)
type udpPacket struct {
source *net.UDPAddr
payload []byte
sender golwip.UDPConn
}
func (u *udpPacket) Data() []byte {
return u.payload
}
func (u *udpPacket) WriteBack(b []byte, addr net.Addr) (n int, err error) {
_, ok := addr.(*net.UDPAddr)
if !ok {
return 0, io.ErrClosedPipe
}
return u.sender.WriteFrom(b, u.source)
}
func (u *udpPacket) Drop() {
}
func (u *udpPacket) LocalAddr() net.Addr {
return u.source
}
type udpHandler struct {
dnsIP net.IP
udpIn chan<- *inbound.PacketAdapter
}
func newUDPHandler(dnsIP net.IP, udpIn chan<- *inbound.PacketAdapter) golwip.UDPConnHandler {
return &udpHandler{dnsIP, udpIn}
}
func (h *udpHandler) Connect(golwip.UDPConn, *net.UDPAddr) error {
return nil
}
func (h *udpHandler) ReceiveTo(conn golwip.UDPConn, data []byte, addr *net.UDPAddr) error {
if shouldHijackDns(h.dnsIP, addr.IP, addr.Port) {
hijackUDPDns(conn, data, addr)
log.Debugln("[TUN] hijack dns udp: %s:%d", addr.IP.String(), addr.Port)
return nil
}
packet := &udpPacket{
source: conn.LocalAddr(),
payload: data,
sender: conn,
}
go func(addr *net.UDPAddr, packet *udpPacket) {
select {
case h.udpIn <- inbound.NewPacket(socks5.ParseAddrToSocksAddr(addr), packet, C.TUN):
default:
}
}(addr, packet)
return nil
}

2
rule/common/process.go
View file

@ -30,7 +30,7 @@ func (ps *Process) Match(metadata *C.Metadata) bool {
// ignore match in proxy type "tproxy"
//if metadata.Type == C.TPROXY || !C.AutoIptables {
if C.AutoIptables == "Enable" {
if metadata.Type == C.TPROXY || C.AutoIptables == "Enable" {
return false
}

70
rule/geosite.go Normal file
View file

@ -0,0 +1,70 @@
package rules
import (
"fmt"
"github.com/Dreamacro/clash/component/geodata"
"github.com/Dreamacro/clash/component/geodata/router"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
_ "github.com/Dreamacro/clash/component/geodata/standard"
)
type GEOSITE struct {
country string
adapter string
ruleExtra *C.RuleExtra
matcher *router.DomainMatcher
}
func (gs *GEOSITE) RuleType() C.RuleType {
return C.GEOSITE
}
func (gs *GEOSITE) Match(metadata *C.Metadata) bool {
if metadata.AddrType != C.AtypDomainName {
return false
}
domain := metadata.Host
return gs.matcher.ApplyDomain(domain)
}
func (gs *GEOSITE) Adapter() string {
return gs.adapter
}
func (gs *GEOSITE) Payload() string {
return gs.country
}
func (gs *GEOSITE) ShouldResolveIP() bool {
return false
}
func (gs *GEOSITE) RuleExtra() *C.RuleExtra {
return gs.ruleExtra
}
func (gs *GEOSITE) GetDomainMatcher() *router.DomainMatcher {
return gs.matcher
}
func NewGEOSITE(country string, adapter string, ruleExtra *C.RuleExtra) (*GEOSITE, error) {
matcher, recordsCount, err := geodata.LoadGeoSiteMatcher(country)
if err != nil {
return nil, fmt.Errorf("load GeoSite data error, %s", err.Error())
}
log.Infoln("Start initial GeoSite rule %s => %s, records: %d", country, adapter, recordsCount)
geoSite := &GEOSITE{
country: country,
adapter: adapter,
ruleExtra: ruleExtra,
matcher: matcher,
}
return geoSite, nil
}

1
rule/parser.go
View file

@ -17,6 +17,7 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
ruleExtra := &C.RuleExtra{
Network: RC.FindNetwork(params),
SourceIPs: RC.FindSourceIPs(params),
ProcessNames: RC.FindProcessName(params),
}
switch tp {

125
rule/port.go Normal file
View file

@ -0,0 +1,125 @@
package rules
import (
"fmt"
"strconv"
"strings"
C "github.com/Dreamacro/clash/constant"
)
type portReal struct {
portStart int
portEnd int
}
type Port struct {
adapter string
port string
isSource bool
portList []portReal
ruleExtra *C.RuleExtra
}
func (p *Port) RuleType() C.RuleType {
if p.isSource {
return C.SrcPort
}
return C.DstPort
}
func (p *Port) Match(metadata *C.Metadata) bool {
if p.isSource {
return p.matchPortReal(metadata.SrcPort)
}
return p.matchPortReal(metadata.DstPort)
}
func (p *Port) Adapter() string {
return p.adapter
}
func (p *Port) Payload() string {
return p.port
}
func (p *Port) ShouldResolveIP() bool {
return false
}
func (p *Port) RuleExtra() *C.RuleExtra {
return p.ruleExtra
}
func (p *Port) matchPortReal(portRef string) bool {
port, err := strconv.Atoi(portRef)
if err != nil {
return false
}
var rs bool
for _, pr := range p.portList {
if pr.portEnd == -1 {
rs = port == pr.portStart
} else {
rs = port >= pr.portStart && port <= pr.portEnd
}
if rs {
return true
}
}
return false
}
func NewPort(port string, adapter string, isSource bool, ruleExtra *C.RuleExtra) (*Port, error) {
ports := strings.Split(port, "/")
if len(ports) > 28 {
return nil, fmt.Errorf("%s, too many ports to use, maximum support 28 ports", errPayload.Error())
}
var portList []portReal
for _, p := range ports {
if p == "" {
continue
}
subPorts := strings.Split(p, "-")
subPortsLen := len(subPorts)
if subPortsLen > 2 {
return nil, errPayload
}
portStart, err := strconv.Atoi(strings.Trim(subPorts[0], "[ ]"))
if err != nil || portStart < 0 || portStart > 65535 {
return nil, errPayload
}
if subPortsLen == 1 {
portList = append(portList, portReal{portStart, -1})
} else if subPortsLen == 2 {
portEnd, err1 := strconv.Atoi(strings.Trim(subPorts[1], "[ ]"))
if err1 != nil || portEnd < 0 || portEnd > 65535 {
return nil, errPayload
}
shouldReverse := portStart > portEnd
if shouldReverse {
portList = append(portList, portReal{portEnd, portStart})
} else {
portList = append(portList, portReal{portStart, portEnd})
}
}
}
if len(portList) == 0 {
return nil, errPayload
}
return &Port{
adapter: adapter,
port: port,
isSource: isSource,
portList: portList,
ruleExtra: ruleExtra,
}, nil
}

73
rule/script.go Normal file
View file

@ -0,0 +1,73 @@
package rules
import (
"fmt"
"runtime"
"strings"
S "github.com/Dreamacro/clash/component/script"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
type Script struct {
shortcut string
adapter string
shortcutFunction *S.PyObject
}
func (s *Script) RuleType() C.RuleType {
return C.Script
}
func (s *Script) Match(metadata *C.Metadata) bool {
rs, err := S.CallPyShortcut(s.shortcutFunction, metadata)
if err != nil {
log.Errorln("[Script] match rule error: %s", err.Error())
return false
}
return rs
}
func (s *Script) Adapter() string {
return s.adapter
}
func (s *Script) Payload() string {
return s.shortcut
}
func (s *Script) ShouldResolveIP() bool {
return false
}
func (s *Script) RuleExtra() *C.RuleExtra {
return nil
}
func NewScript(shortcut string, adapter string) (*Script, error) {
shortcut = strings.ToLower(shortcut)
if !S.Py_IsInitialized() {
return nil, fmt.Errorf("load script shortcut [%s] failure, can't find any shortcuts in the config file", shortcut)
}
shortcutFunction, err := S.LoadShortcutFunction(shortcut)
if err != nil {
return nil, fmt.Errorf("can't find script shortcut [%s] in the config file", shortcut)
}
obj := &Script{
shortcut: shortcut,
adapter: adapter,
shortcutFunction: shortcutFunction,
}
runtime.SetFinalizer(obj, func(s *Script) {
s.shortcutFunction.Clear()
})
log.Infoln("Start initial script shortcut rule %s => %s", shortcut, adapter)
return obj, nil
}

8
transport/vless/xtls.go
View file

@ -1,8 +1,10 @@
package vless
import (
"context"
"net"
C "github.com/Dreamacro/clash/constant"
xtls "github.com/xtls/go"
)
@ -20,6 +22,10 @@ func StreamXTLSConn(conn net.Conn, cfg *XTLSConfig) (net.Conn, error) {
}
xtlsConn := xtls.Client(conn, xtlsConfig)
err := xtlsConn.Handshake()
// fix tls handshake not timeout
ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
defer cancel()
err := xtlsConn.HandshakeContext(ctx)
return xtlsConn, err
}