#include "bypass.h"

namespace ligma
{
	namespace bypass
	{
		//
		// you might need to change your paths for dlopen!
		//
		void init()
		{
			fopen_ptr = dlsym(dlopen("libc.so", RTLD_NOLOAD), "fopen");
			system_prop_get = dlsym(dlopen("libc.so", RTLD_NOLOAD), "__system_property_get");
			loadbufferx = dlsym(dlopen("libxlua.so", RTLD_NOW), "luaL_loadbufferx");
			ligma::hook::make_hook(loadbufferx, reinterpret_cast<void*>(&loadbufferx_hook));
			ligma::hook::make_hook(fopen_ptr, reinterpret_cast<void*>(&fopen_hook));
			ligma::hook::make_hook(system_prop_get, reinterpret_cast<void*>(&system_property_hook));
		}

		//
		// dont let a single lua script load!
		//
		int loadbufferx_hook(void* L, const char* buff, size_t sz, const char* name, const char* mode)
		{ return NULL; }

		//
		// the first module loaded by default is libtprt.so, it opens base.apk and checks its MD5.
		// we make it open the original apk :)
		//
		__attribute__((noinline))
		FILE* fopen_hook(const char* path, const char* mode)
		{
			if (strstr(path, "base.apk"))
			{
				path = "/data/app/base_orig.apk";
				LOGI("spoofed base.apk to original apk!");
			}

			fopen_mutex.lock();
			ligma::hook::disable(fopen_ptr);
			const auto result = fopen(path, mode);
			ligma::hook::enable(fopen_ptr);
			fopen_mutex.unlock();
			return result;
		}

		//
		// spoof all hwids to "what do you call nuts on your chin? a dick down your throat you fucking retard!"
		//
		__attribute__((noinline))
		int system_property_hook(const char* name, char* value)
		{
			system_prop_mutex.lock();
			ligma::hook::disable(system_prop_get);
			__system_property_get(name, value);
			ligma::hook::enable(system_prop_get);
			system_prop_mutex.unlock();

			//
			// dont spoof persist.sys.timezone or these other ones.
			//
			if (strcmp(name, "persist.sys.timezone") != 0 &&
				strcmp(name, "ro.build.fingerprint") != 0 &&
				strcmp(name, "ro.revision") != 0 &&
				strcmp(name, "ro.build.version.sdk") != 0)
			{
				LOGI("spoofed hwid = %s, to = %s", value, HWID_VALUE);
				value = HWID_VALUE;
			}
			return strlen(value);
		}
	}
}