/*
 * textmode.cpp
 *
 *  Created on: Jul 28, 2017
 *      Author: nullifiedcat
 */

#include "common.hpp"

bool *allowSecureServers{ nullptr };

// valve pls no ban

void EXPOSED_Epic_VACBypass_1337_DoNotSteal_xXx_$1_xXx_MLG()
{
    // Does not work
    // ((ICommandLine*(*)(void))dlsym(sharedobj::tier0().lmap,
    // "CommandLine_Tier0"))()->RemoveParm("-textmode");
    // ((ICommandLine*(*)(void))dlsym(sharedobj::tier0().lmap,
    // "CommandLine_Tier0"))()->RemoveParm("-insecure");
    static unsigned char patch[] = { 0x55, 0x89, 0xE5, 0x83, 0xEC, 0x18, 0xB8,
                                     0x01, 0x00, 0x00, 0x00, 0xC9, 0xC3 };
    uintptr_t Host_IsSecureServerAllowed_addr = gSignatures.GetEngineSignature(
        "55 89 E5 83 EC 18 E8 ? ? ? ? 8B 10 C7 44 24 04 ? ? ? ? 89 04 24 FF 52 "
        "2C 85 C0 74 11");
    // +0x21 = allowSecureServers
    // logging::Info("1337 VAC bypass: 0x%08x",
    // Host_IsSecureServerAllowed_addr);
    Patch((void *) Host_IsSecureServerAllowed_addr, (void *) patch,
          sizeof(patch));
    uintptr_t allowSecureServers_addr = Host_IsSecureServerAllowed_addr + 0x21;
    allowSecureServers                = *(bool **) (allowSecureServers_addr);
    logging::Info("Allow Secure Servers: 0x%08x", allowSecureServers);
    *allowSecureServers = true;
    logging::Info("Allow Secure Servers: %d", *allowSecureServers);
}

CatCommand fixvac("fixvac", "Lemme in to secure servers",
                  []() { *allowSecureServers = true; });

InitRoutine init([]() {
#if ENABLE_TEXTMODE_STDIN
    logging::Info("[TEXTMODE] Setting up input handling");
    int flags = fcntl(0, F_GETFL, 0);
    flags |= O_NONBLOCK;
    fcntl(0, F_SETFL, flags);
    logging::Info("[TEXTMODE] stdin is now non-blocking");
#endif
#if ENABLE_VAC_BYPASS
    EXPOSED_Epic_VACBypass_1337_DoNotSteal_xXx_$1_xXx_MLG();
#endif
});

#if ENABLE_TEXTMODE_STDIN
void UpdateInput()
{
    char buffer[256];
    int bytes = read(0, buffer, 255);
    if (bytes > 0)
    {
        buffer[bytes] = '\0';
        g_IEngine->ExecuteClientCmd(buffer);
    }
}
#endif