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78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
//go:build android && cgo
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package main
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/*
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#include <stdlib.h>
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typedef void (*release_object_func)(void *obj);
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typedef void (*protect_func)(void *tun_interface, int fd);
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typedef const char* (*resolve_process_func)(void *tun_interface, int protocol, const char *source, const char *target, int uid);
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static void protect(protect_func fn, void *tun_interface, int fd) {
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if (fn) {
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fn(tun_interface, fd);
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}
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}
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static const char* resolve_process(resolve_process_func fn, void *tun_interface, int protocol, const char *source, const char *target, int uid) {
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if (fn) {
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return fn(tun_interface, protocol, source, target, uid);
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}
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return "";
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}
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static void release_object(release_object_func fn, void *obj) {
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if (fn) {
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return fn(obj);
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}
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}
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*/
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import "C"
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import (
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"unsafe"
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)
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var (
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globalCallbacks struct {
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releaseObjectFunc C.release_object_func
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protectFunc C.protect_func
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resolveProcessFunc C.resolve_process_func
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}
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)
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func Protect(callback unsafe.Pointer, fd int) {
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if globalCallbacks.protectFunc != nil {
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C.protect(globalCallbacks.protectFunc, callback, C.int(fd))
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}
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}
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func ResolveProcess(callback unsafe.Pointer, protocol int, source, target string, uid int) string {
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if globalCallbacks.resolveProcessFunc == nil {
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return ""
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}
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s := C.CString(source)
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defer C.free(unsafe.Pointer(s))
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t := C.CString(target)
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defer C.free(unsafe.Pointer(t))
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res := C.resolve_process(globalCallbacks.resolveProcessFunc, callback, C.int(protocol), s, t, C.int(uid))
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defer C.free(unsafe.Pointer(res))
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return C.GoString(res)
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}
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func releaseObject(callback unsafe.Pointer) {
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if globalCallbacks.releaseObjectFunc == nil {
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return
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}
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C.release_object(globalCallbacks.releaseObjectFunc, callback)
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}
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//export registerCallbacks
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func registerCallbacks(markSocketFunc C.protect_func, resolveProcessFunc C.resolve_process_func, releaseObjectFunc C.release_object_func) {
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globalCallbacks.protectFunc = markSocketFunc
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globalCallbacks.resolveProcessFunc = resolveProcessFunc
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globalCallbacks.releaseObjectFunc = releaseObjectFunc
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}
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