diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml index a81cfc1c..a49f55f2 100644 --- a/.github/workflows/linter.yml +++ b/.github/workflows/linter.yml @@ -20,3 +20,4 @@ jobs: uses: golangci/golangci-lint-action@v3 with: version: latest + args: --build-tags=build_local diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index fc838377..0932a4ef 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -25,28 +25,65 @@ jobs: restore-keys: | ${{ runner.os }}-go- + - name: Setup Python + uses: actions/setup-python@v2 + with: + python-version: '3.9' + - name: Get dependencies, run test run: | - go test ./... + # fetch python cross compile source files + mkdir -p bin/python/ + cd bin/python/ + curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-darwin-amd64.tar.xz + curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-darwin-arm64.tar.xz + curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-windows-amd64.tar.xz + curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-windows-386.tar.xz + #curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-linux-amd64.tar.xz + #curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-linux-arm64.tar.xz + #curl -LO https://raw.githubusercontent.com/yaling888/snack/main/python-3.9.7-linux-386.tar.xz + tar -Jxf python-3.9.7-darwin-amd64.tar.xz + tar -Jxf python-3.9.7-darwin-arm64.tar.xz + tar -Jxf python-3.9.7-windows-amd64.tar.xz + tar -Jxf python-3.9.7-windows-386.tar.xz + #tar -Jxf python-3.9.7-linux-amd64.tar.xz + #tar -Jxf python-3.9.7-linux-arm64.tar.xz + #tar -Jxf python-3.9.7-linux-386.tar.xz + rm python-3.9.7-*.tar.xz + cd ../../ + + # go test + go test -tags build_local ./... + + # init xgo + docker pull techknowlogick/xgo:latest + go install src.techknowlogick.com/xgo@latest - name: SSH connection to Actions uses: P3TERX/ssh2actions@v1.0.0 if: github.actor == github.repository_owner && contains(github.event.head_commit.message, '[ssh]') + env: + SSH_PASSWORD: ${{ secrets.ADAWADLHIOH }} - name: Build #if: startsWith(github.ref, 'refs/tags/') env: NAME: clash BINDIR: bin - run: make -j releases + run: | + make -j releases + #ls -lahF bin/python/ - name: Prepare upload + if: startsWith(github.ref, 'refs/tags/') == false run: | + rm -rf bin/python/ echo "FILE_DATE=_$(date +"%Y%m%d%H%M")" >> $GITHUB_ENV echo "FILE_SHA=$(git describe --tags --always 2>/dev/null)" >> $GITHUB_ENV - name: Upload files to Artifacts uses: actions/upload-artifact@v2 + if: startsWith(github.ref, 'refs/tags/') == false with: name: clash_${{ env.FILE_SHA }}${{ env.FILE_DATE }} path: | @@ -71,6 +108,6 @@ jobs: with: keep_latest: 1 delete_tags: true - delete_tag_pattern: tun + delete_tag_pattern: plus-pro env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} diff --git a/Makefile b/Makefile index 847a7e37..1fb011b6 100644 --- a/Makefile +++ b/Makefile @@ -1,119 +1,70 @@ +GOCMD=go +XGOCMD=xgo -go=go-1.18.x +GOBUILD=CGO_ENABLED=1 $(GOCMD) build -trimpath +GOCLEAN=$(GOCMD) clean NAME=clash -BINDIR=bin +BINDIR=$(shell pwd)/bin VERSION=$(shell git describe --tags --always 2>/dev/null || date +%F) BUILDTIME=$(shell date -u) -GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \ - -X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \ - -w -s -buildid=' +BUILD_PACKAGE=. +RELEASE_LDFLAGS='-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \ + -X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \ + -w -s -buildid=' +STATIC_LDFLAGS='-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \ + -X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \ + -extldflags "-static" \ + -w -s -buildid=' PLATFORM_LIST = \ darwin-amd64 \ - darwin-amd64-v3 \ darwin-arm64 \ - linux-386 \ - linux-amd64 \ - linux-amd64-v3 \ - linux-armv5 \ - linux-armv6 \ - linux-armv7 \ - linux-arm64 \ - linux-mips-softfloat \ - linux-mips-hardfloat \ - linux-mipsle-softfloat \ - linux-mipsle-hardfloat \ - linux-mips64 \ - linux-mips64le \ - freebsd-386 \ - freebsd-amd64 \ - freebsd-amd64-v3 \ - freebsd-arm64 + linux-amd64 +# linux-arm64 +# linux-386 WINDOWS_ARCH_LIST = \ - windows-386 \ windows-amd64 \ - windows-amd64-v3 \ - windows-arm64 \ - windows-arm32v7 + windows-386 +# windows-arm64 all: linux-amd64 darwin-amd64 windows-amd64 # Most used -docker: - $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ +local: + $(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -tags build_local -o $(BINDIR)/$(NAME)-$@ + +local-v3: + GOAMD64=v3 $(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -tags build_local -o $(BINDIR)/$(NAME)-$@ darwin-amd64: - GOARCH=amd64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -darwin-amd64-v3: - GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ + $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=darwin-10.12/amd64 $(BUILD_PACKAGE) && \ + mv $(BINDIR)/$(NAME)-darwin-10.12-amd64 $(BINDIR)/$(NAME)-darwin-amd64 darwin-arm64: - GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ + $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=darwin-11.1/arm64 $(BUILD_PACKAGE) && \ + mv $(BINDIR)/$(NAME)-darwin-11.1-arm64 $(BINDIR)/$(NAME)-darwin-arm64 linux-386: - GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ + $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(STATIC_LDFLAGS) -targets=linux/386 $(BUILD_PACKAGE) linux-amd64: - GOARCH=amd64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-amd64-v3: - GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-armv5: - GOARCH=arm GOOS=linux GOARM=5 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-armv6: - GOARCH=arm GOOS=linux GOARM=6 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-armv7: - GOARCH=arm GOOS=linux GOARM=7 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ + $(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -o $(BINDIR)/$(NAME)-$@ + #GOARCH=amd64 GOOS=linux $(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -o $(BINDIR)/$(NAME)-$@ + #$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(STATIC_LDFLAGS) -targets=linux/amd64 $(BUILD_PACKAGE) linux-arm64: - GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-mips-softfloat: - GOARCH=mips GOMIPS=softfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-mips-hardfloat: - GOARCH=mips GOMIPS=hardfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-mipsle-softfloat: - GOARCH=mipsle GOMIPS=softfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-mipsle-hardfloat: - GOARCH=mipsle GOMIPS=hardfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-mips64: - GOARCH=mips64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -linux-mips64le: - GOARCH=mips64le GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -freebsd-386: - GOARCH=386 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -freebsd-amd64: - GOARCH=amd64 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -freebsd-amd64-v3: - GOARCH=amd64 GOOS=freebsd GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ - -freebsd-arm64: - GOARCH=arm64 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@ + $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(STATIC_LDFLAGS) -targets=linux/arm64 $(BUILD_PACKAGE) windows-386: - GOARCH=386 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe + $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=windows-4.0/386 $(BUILD_PACKAGE) && \ + mv $(BINDIR)/$(NAME)-windows-4.0-386.exe $(BINDIR)/$(NAME)-windows-386.exe windows-amd64: - GOARCH=amd64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe + $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=windows-4.0/amd64 $(BUILD_PACKAGE) && \ + mv $(BINDIR)/$(NAME)-windows-4.0-amd64.exe $(BINDIR)/$(NAME)-windows-amd64.exe -windows-amd64-v3: - GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe - -windows-arm64: - GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe - -windows-arm32v7: - GOARCH=arm GOOS=windows GOARM=7 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe +#windows-arm64: +# $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=windows/arm64 $(BUILD_PACKAGE) +# mv $(NAME)-windows-4.0-arm64.exe $(NAME)-windows-arm64.exe gz_releases=$(addsuffix .gz, $(PLATFORM_LIST)) zip_releases=$(addsuffix .zip, $(WINDOWS_ARCH_LIST)) @@ -130,10 +81,17 @@ all-arch: $(PLATFORM_LIST) $(WINDOWS_ARCH_LIST) releases: $(gz_releases) $(zip_releases) vet: - go vet ./... + $(GOCMD) test -tags build_local ./... lint: - golangci-lint run ./... + golangci-lint run --build-tags=build_local ./... clean: - rm -rf $(BINDIR)/* \ No newline at end of file + rm -rf $(BINDIR)/ + mkdir -p $(BINDIR) + +cleancache: + # go build cache may need to cleanup if changing C source code + $(GOCLEAN) -cache + rm -rf $(BINDIR)/ + mkdir -p $(BINDIR) \ No newline at end of file diff --git a/README.md b/README.md index fd3d427f..08b95fe6 100644 --- a/README.md +++ b/README.md @@ -92,7 +92,18 @@ The `GEOIP` databases via [https://github.com/Loyalsoldier/geoip](https://raw.gi The `GEOSITE` databases via [https://github.com/Loyalsoldier/v2ray-rules-dat](https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat). ```yaml +mode: rule + +script: + shortcuts: + quic: 'network == "udp" and dst_port == 443' + privacy: '"analytics" in host or "adservice" in host or "firebase" in host or "safebrowsing" in host or "doubleclick" in host' + rules: + # rule SCRIPT + - SCRIPT,quic,REJECT # Disable QUIC, same as rule "DST-PORT,443,REJECT,udp" + - SCRIPT,privacy,REJECT + # network condition for all rules - DOMAIN-SUFFIX,example.com,DIRECT,tcp - DOMAIN-SUFFIX,example.com,REJECT,udp @@ -124,6 +135,80 @@ rules: - MATCH,PROXY ``` +### Script configuration +Script enables users to programmatically select a policy for the packets with more flexibility. + +```yaml +mode: script + +rules: + # the rule GEOSITE just as a rule provider in mode script + - GEOSITE,category-ads-all,Whatever + - GEOSITE,youtube,Whatever + - GEOSITE,geolocation-cn,Whatever + +script: + code: | + def main(ctx, metadata): + if metadata["process_name"] == 'apsd': + return "DIRECT" + + if metadata["network"] == 'udp' and metadata["dst_port"] == 443: + return "REJECT" + + host = metadata["host"] + for kw in ['analytics', 'adservice', 'firebase', 'bugly', 'safebrowsing', 'doubleclick']: + if kw in host: + return "REJECT" + + now = time.now() + if (now.hour < 8 or now.hour > 17) and metadata["src_ip"] == '192.168.1.99': + return "REJECT" + + if ctx.rule_providers["geosite:category-ads-all"].match(metadata): + return "REJECT" + + if ctx.rule_providers["geosite:youtube"].match(metadata): + ctx.log('[Script] domain %s matched youtube' % host) + return "Proxy" + + if ctx.rule_providers["geosite:geolocation-cn"].match(metadata): + ctx.log('[Script] domain %s matched geolocation-cn' % host) + return "DIRECT" + + ip = metadata["dst_ip"] + if host != "": + ip = ctx.resolve_ip(host) + if ip == "": + return "Proxy" + + code = ctx.geoip(ip) + if code == "LAN" or code == "CN": + return "DIRECT" + + return "Proxy" # default policy for requests which are not matched by any other script +``` +the context and metadata +```ts +interface Metadata { + type: string // socks5、http + network: string // tcp + host: string + process_name: string + src_ip: string + src_port: int + dst_ip: string + dst_port: int +} + +interface Context { + resolve_ip: (host: string) => string // ip string + geoip: (ip: string) => string // country code + log: (log: string) => void + rule_providers: Record boolean }> +} +``` + ### Proxies configuration Support outbound transport protocol `VLESS`. diff --git a/component/script/build_local.go b/component/script/build_local.go new file mode 100644 index 00000000..b3e5640e --- /dev/null +++ b/component/script/build_local.go @@ -0,0 +1,9 @@ +//go:build build_local +// +build build_local + +package script + +/* +#cgo pkg-config: python3-embed +*/ +import "C" diff --git a/component/script/build_xgo.go b/component/script/build_xgo.go new file mode 100644 index 00000000..4a066c90 --- /dev/null +++ b/component/script/build_xgo.go @@ -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" diff --git a/component/script/clash_module.c b/component/script/clash_module.c new file mode 100644 index 00000000..f15f0191 --- /dev/null +++ b/component/script/clash_module.c @@ -0,0 +1,735 @@ +#define PY_SSIZE_T_CLEAN + +#include "clash_module.h" +#include + +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 */ +} 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; +} + +/* --------------------------------------------------------------------- */ \ No newline at end of file diff --git a/component/script/clash_module.go b/component/script/clash_module.go new file mode 100644 index 00000000..c27a2554 --- /dev/null +++ b/component/script/clash_module.go @@ -0,0 +1,334 @@ +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) + + 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: %v", err) + 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: %v", err) + 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: %w", err) + } + + return nil +} + +func killSelf() { + p, err := os.FindProcess(os.Getpid()) + if err != nil { + os.Exit(int(syscall.SIGINT)) + return + } + _ = p.Signal(syscall.SIGINT) +} diff --git a/component/script/clash_module.h b/component/script/clash_module.h new file mode 100644 index 00000000..3e03e16d --- /dev/null +++ b/component/script/clash_module.h @@ -0,0 +1,62 @@ +#ifndef CLASH_CALLBACK_MODULE_H__ +#define CLASH_CALLBACK_MODULE_H__ + +#include + +#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__ \ No newline at end of file diff --git a/component/script/clash_module_export.go b/component/script/clash_module_export.go new file mode 100644 index 00000000..b72d6699 --- /dev/null +++ b/component/script/clash_module_export.go @@ -0,0 +1,142 @@ +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() || + dstIP.IsUnspecified() || + dstIP.IsLoopback() || + dstIP.IsMulticast() || + dstIP.IsLinkLocalUnicast() || + resolver.IsFakeBroadcastIP(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)) +} diff --git a/component/script/thread.go b/component/script/thread.go new file mode 100644 index 00000000..8b7735c0 --- /dev/null +++ b/component/script/thread.go @@ -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 +} diff --git a/config/config.go b/config/config.go index 8a8ee29a..41683216 100644 --- a/config/config.go +++ b/config/config.go @@ -7,6 +7,7 @@ import ( "net/netip" "net/url" "os" + "regexp" "runtime" "strings" @@ -19,6 +20,7 @@ import ( "github.com/Dreamacro/clash/component/fakeip" "github.com/Dreamacro/clash/component/geodata" "github.com/Dreamacro/clash/component/geodata/router" + S "github.com/Dreamacro/clash/component/script" "github.com/Dreamacro/clash/component/trie" C "github.com/Dreamacro/clash/constant" providerTypes "github.com/Dreamacro/clash/constant/provider" @@ -100,21 +102,28 @@ type Tun struct { AutoRoute bool `yaml:"auto-route" json:"auto-route"` } +// Script config +type Script struct { + MainCode string `yaml:"code" json:"code"` + ShortcutsCode map[string]string `yaml:"shortcuts" json:"shortcuts"` +} + // Experimental config type Experimental struct{} // Config is clash config manager type Config struct { - General *General - Tun *Tun - DNS *DNS - Experimental *Experimental - Hosts *trie.DomainTrie - Profile *Profile - Rules []C.Rule - Users []auth.AuthUser - Proxies map[string]C.Proxy - Providers map[string]providerTypes.ProxyProvider + General *General + Tun *Tun + DNS *DNS + Experimental *Experimental + Hosts *trie.DomainTrie + Profile *Profile + Rules []C.Rule + RuleProviders map[string]C.Rule + Users []auth.AuthUser + Proxies map[string]C.Proxy + Providers map[string]providerTypes.ProxyProvider } type RawDNS struct { @@ -175,6 +184,7 @@ type RawConfig struct { Proxy []map[string]any `yaml:"proxies"` ProxyGroup []map[string]any `yaml:"proxy-groups"` Rule []string `yaml:"rules"` + Script Script `yaml:"script"` } // Parse config @@ -265,11 +275,17 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) { config.Proxies = proxies config.Providers = providers - rules, err := parseRules(rawCfg, proxies) + err = parseScript(rawCfg) + if err != nil { + return nil, err + } + + rules, ruleProviders, err := parseRules(rawCfg, proxies) if err != nil { return nil, err } config.Rules = rules + config.RuleProviders = ruleProviders hosts, err := parseHosts(rawCfg) if err != nil { @@ -430,10 +446,16 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[ return proxies, providersMap, nil } -func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) { - rulesConfig := cfg.Rule +func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[string]C.Rule, error) { + var ( + rules []C.Rule + providerNames []string - var rules []C.Rule + ruleProviders = map[string]C.Rule{} + rulesConfig = cfg.Rule + mode = cfg.Mode + isPyInit = S.Py_IsInitialized() + ) // parse rules for idx, line := range rulesConfig { @@ -445,10 +467,14 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) { ruleName = strings.ToUpper(rule[0]) ) + if mode == T.Script && ruleName != "GEOSITE" { + continue + } + l := len(rule) if l < 2 { - return nil, fmt.Errorf("rules[%d] [%s] error: format invalid", idx, line) + return nil, nil, fmt.Errorf("rules[%d] [%s] error: format invalid", idx, line) } if l < 4 { @@ -467,23 +493,42 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) { target = rule[l-1] params = rule[l:] - if _, ok := proxies[target]; !ok { - return nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target) + if _, ok := proxies[target]; mode != T.Script && !ok { + return nil, nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target) } params = trimArr(params) parsed, parseErr := R.ParseRule(ruleName, payload, target, params) if parseErr != nil { - return nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error()) + return nil, nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error()) } - rules = append(rules, parsed) + if isPyInit { + if ruleName == "GEOSITE" { + pvName := "geosite:" + strings.ToLower(payload) + providerNames = append(providerNames, pvName) + ruleProviders[pvName] = parsed + } + } + + if mode != T.Script { + rules = append(rules, parsed) + } } runtime.GC() - return rules, nil + if isPyInit { + err := S.NewClashPyContext(providerNames) + if err != nil { + return nil, nil, err + } else { + log.Infoln("Start initial script context successful, provider records: %v", len(providerNames)) + } + } + + return rules, ruleProviders, nil } func parseHosts(cfg *RawConfig) (*trie.DomainTrie, error) { @@ -784,3 +829,85 @@ func parseTun(rawTun RawTun, general *General) (*Tun, error) { AutoRoute: rawTun.AutoRoute, }, nil } + +func parseScript(cfg *RawConfig) error { + mode := cfg.Mode + script := cfg.Script + mainCode := cleanPyKeywords(script.MainCode) + shortcutsCode := script.ShortcutsCode + + if mode != T.Script && len(shortcutsCode) == 0 { + return nil + } else if mode == T.Script && len(mainCode) == 0 { + return fmt.Errorf("initialized script module failure, can't find script code in the config file") + } + + content := `# -*- coding: UTF-8 -*- + +from datetime import datetime as whatever + +class ClashTime: + def now(self): + return whatever.now() + + def unix(self): + return int(whatever.now().timestamp()) + + def unix_nano(self): + return int(round(whatever.now().timestamp() * 1000)) + +time = ClashTime() + +` + + var shouldInitPy bool + if mode == T.Script { + content += mainCode + "\n\n" + shouldInitPy = true + } + + for k, v := range shortcutsCode { + v = cleanPyKeywords(v) + v = strings.TrimSpace(v) + if len(v) == 0 { + return fmt.Errorf("initialized rule SCRIPT failure, shortcut [%s] code invalid syntax", k) + } + + content += "def " + strings.ToLower(k) + "(ctx, network, process_name, host, src_ip, src_port, dst_ip, dst_port):\n return " + v + "\n\n" + shouldInitPy = true + } + + if !shouldInitPy { + return nil + } + + err := os.WriteFile(C.Path.Script(), []byte(content), 0o644) + if err != nil { + return fmt.Errorf("initialized script module failure, %s", err.Error()) + } + + if err = S.Py_Initialize(C.Path.GetExecutableFullPath(), C.Path.ScriptDir()); err != nil { + return fmt.Errorf("initialized script module failure, %s", err.Error()) + } else if mode == T.Script { + if err = S.LoadMainFunction(); err != nil { + return fmt.Errorf("initialized script module failure, %s", err.Error()) + } + } + + log.Infoln("Start initial script module successful, version: %s", S.Py_GetVersion()) + + return nil +} + +func cleanPyKeywords(code string) string { + if len(code) == 0 { + return code + } + keywords := []string{"import", "print"} + + for _, kw := range keywords { + reg := regexp.MustCompile("(?m)[\r\n]+^.*" + kw + ".*$") + code = reg.ReplaceAllString(code, "") + } + return code +} diff --git a/constant/path.go b/constant/path.go index 4580b25c..1b570ced 100644 --- a/constant/path.go +++ b/constant/path.go @@ -22,6 +22,7 @@ var Path = func() *path { type path struct { homeDir string configFile string + scriptDir string } // SetHomeDir is used to set the configuration path @@ -71,6 +72,32 @@ func (p *path) GeoSite() string { return P.Join(p.homeDir, "geosite.dat") } +func (p *path) ScriptDir() string { + if len(p.scriptDir) != 0 { + return p.scriptDir + } + if dir, err := os.MkdirTemp("", Name+"-"); err == nil { + p.scriptDir = dir + } else { + p.scriptDir = P.Join(os.TempDir(), Name) + _ = os.MkdirAll(p.scriptDir, 0o644) + } + return p.scriptDir +} + +func (p *path) Script() string { + return P.Join(p.ScriptDir(), "clash_script.py") +} + +func (p *path) GetExecutableFullPath() string { + exePath, err := os.Executable() + if err != nil { + return "clash" + } + res, _ := filepath.EvalSymlinks(exePath) + return res +} + func (p *path) GetAssetLocation(file string) string { return P.Join(p.homeDir, file) } diff --git a/constant/rule.go b/constant/rule.go index 23f421aa..155e787f 100644 --- a/constant/rule.go +++ b/constant/rule.go @@ -13,6 +13,7 @@ const ( DstPort Process ProcessPath + Script MATCH ) @@ -42,6 +43,8 @@ func (rt RuleType) String() string { return "Process" case ProcessPath: return "ProcessPath" + case Script: + return "Script" case MATCH: return "Match" default: diff --git a/hub/executor/executor.go b/hub/executor/executor.go index dd4f4acf..5d75b96d 100644 --- a/hub/executor/executor.go +++ b/hub/executor/executor.go @@ -16,6 +16,7 @@ import ( "github.com/Dreamacro/clash/component/profile" "github.com/Dreamacro/clash/component/profile/cachefile" "github.com/Dreamacro/clash/component/resolver" + S "github.com/Dreamacro/clash/component/script" "github.com/Dreamacro/clash/component/trie" "github.com/Dreamacro/clash/config" C "github.com/Dreamacro/clash/constant" @@ -76,6 +77,7 @@ func ApplyConfig(cfg *config.Config, force bool) { updateUsers(cfg.Users) updateProxies(cfg.Proxies, cfg.Providers) updateRules(cfg.Rules) + updateRuleProviders(cfg.RuleProviders) updateHosts(cfg.Hosts) updateProfile(cfg) updateDNS(cfg.DNS, cfg.Tun) @@ -176,6 +178,10 @@ func updateRules(rules []C.Rule) { tunnel.UpdateRules(rules) } +func updateRuleProviders(providers map[string]C.Rule) { + S.UpdateRuleProviders(providers) +} + func updateTun(tun *config.Tun, tunAddressPrefix string) { P.ReCreateTun(tun, tunAddressPrefix, tunnel.TCPIn(), tunnel.UDPIn()) } @@ -308,4 +314,5 @@ func Cleanup() { if runtime.GOOS == "linux" { tproxy.CleanUpTProxyLinuxIPTables() } + S.Py_Finalize() } diff --git a/listener/listener.go b/listener/listener.go index 46157e5d..a335cbd4 100644 --- a/listener/listener.go +++ b/listener/listener.go @@ -8,6 +8,7 @@ import ( "sync" "github.com/Dreamacro/clash/adapter/inbound" + S "github.com/Dreamacro/clash/component/script" "github.com/Dreamacro/clash/config" C "github.com/Dreamacro/clash/constant" "github.com/Dreamacro/clash/listener/http" @@ -315,6 +316,7 @@ func ReCreateTun(tunConf *config.Tun, tunAddressPrefix string, tcpIn chan<- C.Co defer func() { if err != nil { log.Errorln("Start TUN listening error: %s", err.Error()) + S.Py_Finalize() os.Exit(2) } }() diff --git a/main.go b/main.go index d4c38d12..9539b31e 100644 --- a/main.go +++ b/main.go @@ -48,7 +48,7 @@ func init() { func main() { _, _ = maxprocs.Set(maxprocs.Logger(func(string, ...any) {})) if version { - fmt.Printf("Clash with tun deveice %s %s %s with %s %s\n", C.Version, runtime.GOOS, runtime.GOARCH, runtime.Version(), C.BuildTime) + fmt.Printf("Clash Plus Pro %s %s %s with %s %s\n", C.Version, runtime.GOOS, runtime.GOARCH, runtime.Version(), C.BuildTime) return } diff --git a/rule/parser.go b/rule/parser.go index 3374108e..b66c179d 100644 --- a/rule/parser.go +++ b/rule/parser.go @@ -37,6 +37,8 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) { parsed, parseErr = NewProcess(payload, target, true) case "PROCESS-PATH": parsed, parseErr = NewProcess(payload, target, false) + case "SCRIPT": + parsed, parseErr = NewScript(payload, target) case "MATCH": parsed = NewMatch(target) default: diff --git a/rule/script.go b/rule/script.go new file mode 100644 index 00000000..870cdd76 --- /dev/null +++ b/rule/script.go @@ -0,0 +1,77 @@ +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 { + *Base + 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{ + Base: &Base{}, + 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 +} + +var _ C.Rule = (*Script)(nil) diff --git a/tunnel/mode.go b/tunnel/mode.go index a1697a32..6e3561d8 100644 --- a/tunnel/mode.go +++ b/tunnel/mode.go @@ -12,12 +12,14 @@ type TunnelMode int var ModeMapping = map[string]TunnelMode{ Global.String(): Global, Rule.String(): Rule, + Script.String(): Script, Direct.String(): Direct, } const ( Global TunnelMode = iota Rule + Script Direct ) @@ -61,6 +63,8 @@ func (m TunnelMode) String() string { return "global" case Rule: return "rule" + case Script: + return "script" case Direct: return "direct" default: diff --git a/tunnel/tunnel.go b/tunnel/tunnel.go index b816871c..656f44f4 100644 --- a/tunnel/tunnel.go +++ b/tunnel/tunnel.go @@ -14,6 +14,7 @@ import ( "github.com/Dreamacro/clash/component/nat" P "github.com/Dreamacro/clash/component/process" "github.com/Dreamacro/clash/component/resolver" + S "github.com/Dreamacro/clash/component/script" C "github.com/Dreamacro/clash/constant" "github.com/Dreamacro/clash/constant/provider" icontext "github.com/Dreamacro/clash/context" @@ -171,6 +172,8 @@ func resolveMetadata(ctx C.PlainContext, metadata *C.Metadata) (proxy C.Proxy, r proxy = proxies["DIRECT"] case Global: proxy = proxies["GLOBAL"] + case Script: + proxy, err = matchScript(metadata) // Rule default: proxy, rule, err = match(metadata) @@ -252,6 +255,8 @@ func handleUDPConn(packet *inbound.PacketAdapter) { switch true { case rule != nil: log.Infoln("[UDP] %s(%s) --> %s match %s(%s) using %s", metadata.SourceAddress(), metadata.Process, metadata.RemoteAddress(), rule.RuleType().String(), rule.Payload(), rawPc.Chains().String()) + case mode == Script: + log.Infoln("[UDP] %s(%s) --> %s using SCRIPT %s", metadata.SourceAddress(), metadata.Process, metadata.RemoteAddress(), rawPc.Chains().String()) case mode == Global: log.Infoln("[UDP] %s(%s) --> %s using GLOBAL", metadata.SourceAddress(), metadata.Process, metadata.RemoteAddress()) case mode == Direct: @@ -304,6 +309,8 @@ func handleTCPConn(connCtx C.ConnContext) { switch true { case rule != nil: log.Infoln("[TCP] %s(%s) --> %s match %s(%s) using %s", metadata.SourceAddress(), metadata.Process, metadata.RemoteAddress(), rule.RuleType().String(), rule.Payload(), remoteConn.Chains().String()) + case mode == Script: + log.Infoln("[TCP] %s(%s) --> %s using SCRIPT %s", metadata.SourceAddress(), metadata.Process, metadata.RemoteAddress(), remoteConn.Chains().String()) case mode == Global: log.Infoln("[TCP] %s(%s) --> %s using GLOBAL", metadata.SourceAddress(), metadata.Process, metadata.RemoteAddress()) case mode == Direct: @@ -375,3 +382,24 @@ func match(metadata *C.Metadata) (C.Proxy, C.Rule, error) { return proxies["REJECT"], nil, nil } + +func matchScript(metadata *C.Metadata) (C.Proxy, error) { + configMux.RLock() + defer configMux.RUnlock() + + if node := resolver.DefaultHosts.Search(metadata.Host); node != nil { + ip := node.Data.(net.IP) + metadata.DstIP = ip + } + + adapter, err := S.CallPyMainFunction(metadata) + if err != nil { + return nil, err + } + + if _, ok := proxies[adapter]; !ok { + return nil, fmt.Errorf("proxy [%s] not found by script", adapter) + } + + return proxies[adapter], nil +}