#include <cstring>
#include <cstdio>

#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>

#include <lindows/lrss.h>

static const char SOCKET_ADDRESS[108] = {
	0, 'L', 'R', 'S', 'S', 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0
};

static int REGISTRY_SOCKET = -1;

NTSTATUS LrcSocketAddress(char Buffer[108]) {
	std::memcpy(Buffer, SOCKET_ADDRESS, 108);
	return STATUS_SUCCESS;
}

NTSTATUS LrcOpenRegistry() {
	// This may not work if the thing got closed somehow :>
	if (REGISTRY_SOCKET == -1) {
		REGISTRY_SOCKET = socket(AF_UNIX, SOCK_SEQPACKET, 0);
		if (REGISTRY_SOCKET < 0) {
			REGISTRY_SOCKET = -1;
			return STATUS_INTERNAL_ERROR;
		}

        	int tmp = 1;
        	if (setsockopt(REGISTRY_SOCKET, SOL_SOCKET, SO_PASSCRED, &tmp, sizeof(tmp)) < 0) {
        		close(REGISTRY_SOCKET);
			REGISTRY_SOCKET = -1;
        		return STATUS_INTERNAL_ERROR;
        	}

		struct sockaddr_un sockaddr {
                	.sun_family = AF_UNIX,
                	.sun_path   = {}
        	};
		LrcSocketAddress(sockaddr.sun_path);
		if (connect(REGISTRY_SOCKET, reinterpret_cast<struct sockaddr*>(&sockaddr), sizeof(sockaddr)) < 0) {
			close(REGISTRY_SOCKET);
			REGISTRY_SOCKET = -1;
			return STATUS_INTERNAL_ERROR;
		}

		return STATUS_SUCCESS;
	} else return STATUS_SUCCESS;
}