First public version
This commit is contained in:
Tindy X
+385
@@ -0,0 +1,385 @@
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#include <string>
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#include <atomic>
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#include <thread>
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#include <unistd.h>
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#include "socket.h"
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#include "defer.h"
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#include <windows.h>
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std::string remote_address;
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uint16_t remote_port = 52468;
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uint16_t server_port = 52468;
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bool tcp_mode = false;
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std::atomic_bool EXIT_FLAG {false}, CONNECTED {false};
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int setTimeout(SOCKET s, int timeout)
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{
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int ret = -1;
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#ifdef _WIN32
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ret = setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, (char*)&timeout, sizeof(int));
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ret = setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (char*)&timeout, sizeof(int));
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#else
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struct timeval timeo = {timeout / 1000, (timeout % 1000) * 1000};
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ret = setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, (const char*)&timeo, sizeof(timeo));
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ret = setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeo, sizeof(timeo));
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#endif
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return ret;
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}
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int socket_bind(SOCKET sHost, long addr, uint16_t port)
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{
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sockaddr_in srcaddr = {};
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memset(&srcaddr, 0, sizeof(srcaddr));
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srcaddr.sin_family = AF_INET;
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srcaddr.sin_addr.s_addr = addr;
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srcaddr.sin_port = htons(port);
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return bind(sHost, reinterpret_cast<sockaddr*>(&srcaddr), sizeof(srcaddr));
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}
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int udp_broadcast(SOCKET sHost, uint16_t port, const std::string &data)
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{
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struct sockaddr_in addr = {};
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = htonl(INADDR_BROADCAST);
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addr.sin_port = htons(port);
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return sendto(sHost, data.data(), data.size(), 0, reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr));
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}
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int udp_send(SOCKET sHost, const std::string &dst_host, uint16_t dst_port, const std::string &data)
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{
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struct sockaddr_in addr = {};
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addr.sin_family = AF_INET;
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inet_pton(AF_INET, dst_host.data(), (struct in_addr *)&addr.sin_addr.s_addr);
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addr.sin_port = htons(dst_port);
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return sendto(sHost, data.data(), data.size(), 0, reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr));
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}
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void UDPLEDBroadcast(SOCKET sHost, const char* memory)
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{
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static std::string previous_status;
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static int skip_count = 0;
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static std::string head = "\x63LED";
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while(!EXIT_FLAG)
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{
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if(!CONNECTED) {
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Sleep(50);
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continue;
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}
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std::string current_status;
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current_status.assign(reinterpret_cast<const char*>(memory + 6 + 32), 32 * 3);
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bool same = true;
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if(!previous_status.empty())
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{
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for(int i = 0; i < 32 * 3; i++)
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{
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if(previous_status[i] != current_status[i])
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{
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same = false;
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break;
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}
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}
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}
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else
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same = false;
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previous_status = current_status;
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if(!same)
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{
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current_status.insert(0, head);
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//if(udp_broadcast(sHost, server_port, current_status) < 0)
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if(udp_send(sHost, remote_address, remote_port, current_status) < 0)
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{
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//std::cerr<<"cannot send broadcast: error " + std::to_string(GetLastError()) + "\n";
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fprintf(stderr, "cannot send packet: error %lu\n", GetLastError());
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}
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skip_count = 0;
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}
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else
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{
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if(++skip_count > 50)
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{
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current_status.insert(0, head);
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//if(udp_broadcast(sHost, server_port, current_status) < 0)
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if(udp_send(sHost, remote_address, remote_port, current_status) < 0)
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{
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//std::cerr<<"cannot send broadcast: error " + std::to_string(GetLastError()) + "\n";
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fprintf(stderr, "cannot send packet: error %lu\n", GetLastError());
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}
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skip_count = 0;
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}
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}
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Sleep(10);
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}
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}
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void TCPLEDBroadcast(SOCKET sHost, const char* memory)
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{
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static std::string previous_status;
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static int skip_count = 0;
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static std::string head = "\x63LED";
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while(!EXIT_FLAG)
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{
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if(!CONNECTED) {
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Sleep(50);
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continue;
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}
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std::string current_status;
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current_status.assign(reinterpret_cast<const char*>(memory + 6 + 32), 32 * 3);
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bool same = true;
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if(!previous_status.empty())
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{
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for(int i = 0; i < 32 * 3; i++)
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{
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if(previous_status[i] != current_status[i])
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{
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same = false;
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break;
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}
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}
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}
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else
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same = false;
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previous_status = current_status;
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if(!same)
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{
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current_status.insert(0, head);
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if(send(sHost, current_status.data(), current_status.size(), 0) < 0)
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{
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fprintf(stderr, "cannot send packet: error %lu\n", GetLastError());
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if(errno == EINTR || errno == EWOULDBLOCK || errno == EAGAIN)
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{
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continue;
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}
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else
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{
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fprintf(stderr, "Device disconnected!");
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CONNECTED = false;
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EXIT_FLAG = true;
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break;
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}
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}
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skip_count = 0;
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}
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else
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{
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if(++skip_count > 50)
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{
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current_status.insert(0, head);
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if(udp_send(sHost, remote_address, remote_port, current_status) < 0)
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{
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fprintf(stderr, "cannot send packet: error %lu\n", GetLastError());
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if(errno == EINTR || errno == EWOULDBLOCK || errno == EAGAIN)
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{
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continue;
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}
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else
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{
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fprintf(stderr, "Device disconnected!\n");
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CONNECTED = false;
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EXIT_FLAG = true;
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break;
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}
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}
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skip_count = 0;
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}
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}
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Sleep(10);
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}
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}
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enum
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{
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FUNCTION_COIN = 1,
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FUNCTION_CARD
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};
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void InputReceive(SOCKET sHost, char *memory)
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{
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char buffer[BUFSIZ];
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while(!EXIT_FLAG)
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{
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int recv_len;
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if((recv_len = recvfrom(sHost, buffer, BUFSIZ - 1, 0, NULL, NULL)) == -1)
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continue;
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int real_len = buffer[0];
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if(real_len > recv_len)
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continue;
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if(real_len >= 3 + 6 + 32 && buffer[1] == 'I' && buffer[2] == 'N' && buffer[3] == 'P')
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{
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memcpy(memory, buffer + 4, 6 + 32);
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if(real_len > 3 + 6 + 32)
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{
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memcpy(memory + 6 + 32 + 96, buffer + 4 + 6 + 32, real_len - (3 + 6 + 32));
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}
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}
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if(real_len >= 4 && buffer[1] == 'F' && buffer[2] == 'N' && buffer[3] == 'C')
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{
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switch(buffer[4])
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{
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case FUNCTION_COIN:
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*(memory + 6 + 32 + 96 + 2) = 1;
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break;
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case FUNCTION_CARD:
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*(memory + 6 + 32 + 96 + 3) = 1;
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break;
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}
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}
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if(real_len >= 23 && buffer[1] == 'C' && buffer[2] == 'O' && buffer[3] == 'N')
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{
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remote_address.assign(buffer + 4, 15);
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auto epos = remote_address.find_last_not_of('\0');
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if(epos == std::string::npos)
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continue;
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remote_address.erase(epos + 1);
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std::string port;
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port.assign(buffer + 4 + 15, 5);
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remote_port = std::stoi(port);
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//std::cout << "Device " << remote_address << ":" << remote_port << " connected." <<std::endl;
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printf("Device %s:%d connected.\n", remote_address.data(), remote_port);
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CONNECTED = true;
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}
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if(real_len >= 3 && buffer[1] == 'D' && buffer[2] == 'I' && buffer[3] == 'S')
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{
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CONNECTED = false;
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if(tcp_mode)
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{
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EXIT_FLAG = true;
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printf("Device disconnected!\n");
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break;
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}
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if(!remote_address.empty())
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{
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printf("Device %s:%d disconnected.\n", remote_address.data(), remote_port);
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//std::cout << "Device " << remote_address << ":" << remote_port << " disconnected." << std::endl;
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remote_address.clear();
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}
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}
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if(real_len >= 11 && buffer[1] == 'P' && buffer[2] == 'I' && buffer[3] == 'N')
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{
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if(!CONNECTED)
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continue;
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std::string response;
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response.assign(buffer, 12);
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response.replace(2, 1, "O");
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udp_send(sHost, remote_address, remote_port, response);
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}
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}
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}
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void printInfo()
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{
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printf("=================================================\n");
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printf("= Brokenithm-Evolved-Android: =\n");
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printf("= Brokenithm with full IO over network =\n");
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printf("= v0.1 by XTindy =\n");
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printf("= Original: esterTion =\n");
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printf("=================================================\n\n");
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}
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void checkArgs(int argc, char* argv[])
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{
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int opt;
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while((opt = getopt(argc, argv, "p:T")) != -1)
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{
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switch(opt)
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{
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case 'p':
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server_port = atoi(optarg);
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break;
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case 'T':
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tcp_mode = true;
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break;
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}
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}
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}
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int main(int argc, char* argv[])
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{
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checkArgs(argc, argv);
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SetConsoleTitle("Brokenithm-Evolved-Android Server");
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printInfo();
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WSAData wsaData;
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if(WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
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{
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//std::cerr << "WSA startup failed!\n";
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fprintf(stderr, "WSA startup failed!\n");
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return -1;
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}
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const char *memFileName = "Local\\BROKENITHM_SHARED_BUFFER";
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HANDLE hMapFile = OpenFileMappingA(FILE_MAP_ALL_ACCESS, false, memFileName);
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if(hMapFile == NULL)
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{
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hMapFile = CreateFileMappingA(INVALID_HANDLE_VALUE, nullptr, PAGE_READWRITE, 0, 1024, memFileName);
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if(hMapFile == NULL)
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{
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//std::cerr << "CreateFileMapping failed! Error " + std::to_string(GetLastError());
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fprintf(stderr, "CreateFileMapping failed! error: %lu\n", GetLastError());
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return -1;
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}
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}
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defer(CloseHandle(hMapFile))
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char *memory = reinterpret_cast<char*>(MapViewOfFileEx(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, 1024, NULL));
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if(memory == nullptr)
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{
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//std::cerr << "Cannot get view of memory map! Error " + std::to_string(GetLastError());
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fprintf(stderr, "Cannot get view of memory map! error: %lu\n", GetLastError());
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return -1;
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}
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if(!tcp_mode)
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{
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printf("Mode: UDP\n");
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SOCKET sHost = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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defer(closesocket(sHost))
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setTimeout(sHost, 2000);
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int broadcastEnable = 1;
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setsockopt(sHost, SOL_SOCKET, SO_BROADCAST, reinterpret_cast<char*>(&broadcastEnable), sizeof(broadcastEnable));
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socket_bind(sHost, htonl(INADDR_ANY), server_port);
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//std::cout << "Waiting for device on port " << server_port << "..." << std::endl;
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printf("Waiting for device on port %d...\n", server_port);
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auto LEDThread = std::thread(UDPLEDBroadcast, sHost, memory);
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auto InputThread = std::thread(InputReceive, sHost, memory);
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while(_getwch() != L'q');
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//std::cout << "Exiting gracefully..." << std::endl;
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printf("Exiting gracefully...\n");
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EXIT_FLAG = true;
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LEDThread.join();
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InputThread.join();
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}
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else
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{
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printf("Mode: TCP\n");
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SOCKET sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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defer(closesocket(sHost));
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setTimeout(sHost, 50);
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socket_bind(sHost, htonl(INADDR_ANY), server_port);
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listen(sHost, 10);
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while(true)
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{
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printf("Waiting for device on port %d...\n", server_port);
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struct sockaddr_in user_socket = {};
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socklen_t sock_size = sizeof(struct sockaddr_in);
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SOCKET acc_socket = accept(sHost, (struct sockaddr *)&user_socket, &sock_size);
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defer(closesocket(acc_socket));
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char buffer[20] = {};
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const char* user_address = inet_ntop(AF_INET, &user_socket.sin_addr, buffer, 20);
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if(user_address != NULL)
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{
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printf("Device %s:%d connected.\n", user_address, user_socket.sin_port);
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}
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CONNECTED = true;
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EXIT_FLAG = false;
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auto LEDThread = std::thread(TCPLEDBroadcast, acc_socket, memory);
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auto InputThread = std::thread(InputReceive, acc_socket, memory);
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while(_getwch() != L'q');
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//std::cout << "Exiting gracefully..." << std::endl;
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printf("Exiting gracefully...\n");
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EXIT_FLAG = true;
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CONNECTED = false;
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LEDThread.join();
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InputThread.join();
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}
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}
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return 0;
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}
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Block a user