taitools/platform/syscfg.c

#include <windows.h>
#include <stdbool.h>
#include <stdint.h>

#include "hooklib/reg.h"
#include "platform/syscfg.h"
#include "platform/vfs.h"

#include "util/dprintf.h"

static struct syscfg_config config;
static uint32_t game_id;

static HRESULT syscfg_game_kind(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_evt_next_time(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_condition_time(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_traffic_ct(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_log_level(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_news_path(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_event_path(void *bytes, uint32_t *nbytes);
static HRESULT syscfg_log_path(void *bytes, uint32_t *nbytes);

static const struct reg_hook_val fake_com_keys[] = {
    {
        .name   = L"GameKind",
        .read   = syscfg_game_kind,
        .type   = REG_DWORD,
    },{
        .name   = L"EventNextTime",
        .read   = syscfg_evt_next_time,
        .type   = REG_DWORD,
    },{
        .name   = L"ConditionTime",
        .read   = syscfg_condition_time,
        .type   = REG_DWORD,
    },{
        .name   = L"TrafficCount",
        .read   = syscfg_traffic_ct,
        .type   = REG_DWORD,
    },{
        .name   = L"LogLevel",
        .read   = syscfg_log_level,
        .type   = REG_DWORD,
    },{
        .name   = L"NewsPath",
        .read   = syscfg_news_path,
        .type   = REG_SZ,
    },{
        .name   = L"EventPath",
        .read   = syscfg_event_path,
        .type   = REG_SZ,
    },{
        .name   = L"LogPath",
        .read   = syscfg_log_path,
        .type   = REG_SZ,
    },
};

HRESULT syscfg_hook_init(const struct syscfg_config *cfg, const uint32_t gid)
{
    HRESULT hr;
    if (!cfg->enable) {
        return S_FALSE;
    }

    memcpy(&config, cfg, sizeof(*cfg));
    game_id = gid;

    hr = reg_hook_push_key(
        HKEY_LOCAL_MACHINE,
        L"SOFTWARE\\taito\\typex",
        fake_com_keys,
        _countof(fake_com_keys));

    return hr;
}

static HRESULT syscfg_game_kind(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_u32(bytes, nbytes, game_id);
}

static HRESULT syscfg_evt_next_time(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_u32(bytes, nbytes, 1800);
}

static HRESULT syscfg_condition_time(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_u32(bytes, nbytes, 1800);
}

static HRESULT syscfg_traffic_ct(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_u32(bytes, nbytes, 0); // unused?
}

static HRESULT syscfg_log_level(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_u32(bytes, nbytes, config.log_level);
}

static HRESULT syscfg_news_path(void *bytes, uint32_t *nbytes)
{
    
    return reg_hook_read_wstr(bytes, nbytes, L"D:\\news");
}

static HRESULT syscfg_event_path(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_wstr(bytes, nbytes, L"D:\\event");
}

static HRESULT syscfg_log_path(void *bytes, uint32_t *nbytes)
{
    return reg_hook_read_wstr(bytes, nbytes, L"D:\\");
}