idac: improved compatibility with newer versions

dist/idac/segatools.ini

@@ -80,8 +80,18 @@ dipsw5=0
 ; -----------------------------------------------------------------------------
 
 [led15070]
-; Enable emulation of the 15070-02 controlled lights, which handle the cabinet
-; and seat LEDs.
+; Enable emulation of the 837-15070-02 controlled lights, which handle the
+; cabinet and seat LEDs.
+enable=1
+
+; -----------------------------------------------------------------------------
+; Misc. hooks settings
+; -----------------------------------------------------------------------------
+
+[indrun]
+; Hooks to patch GameProject-Win64-Shipping.exe and IndRun.dll. This is needed
+; to boot version 1.60.00 and up. The hooks are not needed for version 1.50.00
+; and below. 
 enable=1
 
 ; -----------------------------------------------------------------------------

idachook/config.c

@@ -66,6 +66,16 @@ void idac_dll_config_load(
             filename);
 }
 
+void indrun_config_load(
+        struct indrun_config *cfg,
+        const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->enable = GetPrivateProfileIntW(L"indrun", L"enable", 1, filename);
+}
+
 void idac_hook_config_load(
         struct idac_hook_config *cfg,
         const wchar_t *filename)
@@ -80,6 +90,7 @@ void idac_hook_config_load(
     dvd_config_load(&cfg->dvd, filename);
     io4_config_load(&cfg->io4, filename);
     led15070_config_load(&cfg->led15070, filename);
+    indrun_config_load(&cfg->indrun, filename);
 }
 
 void zinput_config_load(struct zinput_config *cfg, const wchar_t *filename)

idachook/config.h

@@ -10,6 +10,7 @@
 
 #include "idachook/idac-dll.h"
 #include "idachook/zinput.h"
+#include "idachook/indrun.h"
 
 #include "platform/platform.h"
 
@@ -21,6 +22,7 @@ struct idac_hook_config {
     struct idac_dll_config dll;
     struct zinput_config zinput;
     struct led15070_config led15070;
+    struct indrun_config indrun;
 };
 
 void idac_dll_config_load(
@@ -31,4 +33,10 @@ void idac_hook_config_load(
         struct idac_hook_config *cfg,
         const wchar_t *filename);
 
-void zinput_config_load(struct zinput_config *cfg, const wchar_t *filename);
+void zinput_config_load(
+        struct zinput_config *cfg,
+        const wchar_t *filename);
+
+void indrun_config_load(
+        struct indrun_config *cfg,
+        const wchar_t *filename);

idachook/dllmain.c

@@ -91,6 +91,13 @@ static DWORD CALLBACK idac_pre_startup(void)
         goto fail;
     }
 
+    /* Initialize native plugin DLL hooks
+
+       There seems to be an issue with other DLL hooks if `LoadLibraryW` is
+       hooked earlier in the initialization. */
+
+    indrun_hook_init(&idac_hook_cfg.indrun);
+
     /* Initialize debug helpers */
 
     spike_hook_init(L".\\segatools.ini");

idachook/indrun.c

@@ -0,0 +1,260 @@
+#include <assert.h>
+#include <stdbool.h>
+
+#include "hook/table.h"
+
+#include "hooklib/dll.h"
+
+#include "util/dprintf.h"
+
+#include "indrun.h"
+
+static const wchar_t *target_modules[] = {
+    L"IndRun.dll",
+};
+
+static const size_t target_modules_len = _countof(target_modules);
+
+static void dll_hook_insert_hooks(HMODULE target);
+static void app_hook_insert_hooks(HMODULE target);
+
+static HMODULE WINAPI hook_LoadLibraryW(const wchar_t *name);
+static HMODULE (WINAPI *next_LoadLibraryW)(const wchar_t *name);
+
+static int WINAPI hook_GetSystemMetrics(int nIndex);
+static int (WINAPI *next_GetSystemMetrics)(int nIndex);
+
+static BOOL WINAPI hook_GetComputerNameW(LPWSTR  lpBuffer, LPDWORD nSize);
+static DWORD WINAPI hook_GetCurrentDirectoryW( DWORD  nBufferLength, LPWSTR lpBuffer);
+static BOOL WINAPI hook_GetVersionExW(LPOSVERSIONINFOW lpVersionInformation);
+static int (WINAPI *next_GetVersionExW)(LPOSVERSIONINFOW lpVersionInformation);
+static BOOL WINAPI hook_VerifyVersionInfoW(LPOSVERSIONINFOEXW lpVersionInformation, DWORD dwTypeMask, DWORDLONG dwlConditionMask);
+static BOOL (WINAPI *next_VerifyVersionInfoW)(LPOSVERSIONINFOEXW lpVersionInformation, DWORD dwTypeMask, DWORDLONG dwlConditionMask);
+static BOOL WINAPI hook_K32EnumProcesses(DWORD *lpidProcess, DWORD cb, LPDWORD lpcbNeeded);
+static BOOL (WINAPI *next_K32EnumProcesses)(DWORD *lpidProcess, DWORD cb, LPDWORD lpcbNeeded);
+
+static BOOL WINAPI hook_GetUserNameW(LPWSTR  lpBuffer, LPDWORD pcbBuffer);
+
+static const struct hook_symbol idac_app_user32_syms[] = {
+    {
+        .name = "GetSystemMetrics",
+        .patch = hook_GetSystemMetrics,
+        .link = (void **) &next_GetSystemMetrics,
+    }
+};
+
+static const struct hook_symbol idac_app_kernel32_syms[] = {
+    {
+        .name = "GetComputerNameW",
+        .patch = hook_GetComputerNameW,
+    },
+    {
+        .name = "GetCurrentDirectoryW",
+        .patch = hook_GetCurrentDirectoryW,
+    },
+    {
+        .name = "GetVersionExW",
+        .patch = hook_GetVersionExW,
+        .link = (void **) &next_GetVersionExW,
+    },
+    {
+        .name = "VerifyVersionInfoW",
+        .patch = hook_VerifyVersionInfoW,
+        .link = (void **) &next_VerifyVersionInfoW,
+    },
+    {
+        .name = "K32EnumProcesses",
+        .patch = hook_K32EnumProcesses,
+        .link = (void **) &next_K32EnumProcesses,
+    }
+};
+
+static const struct hook_symbol idac_app_advapi32_syms[] = {
+    {
+        .name = "GetUserNameW",
+        .patch = hook_GetUserNameW,
+    }
+};
+
+static const struct hook_symbol indrun_kernel32_syms[] = {
+    {
+        .name = "LoadLibraryW",
+        .patch = hook_LoadLibraryW,
+        .link = (void **) &next_LoadLibraryW,
+    }
+};
+
+void indrun_hook_init(struct indrun_config *cfg)
+{
+    assert(cfg != NULL);
+
+    if (!cfg->enable) {
+       return;
+    }
+
+    dprintf("IDAC: Hooks enabled.\n");
+
+    // GameProject-Win64-Shipping.exe hooks
+    app_hook_insert_hooks(NULL);
+
+    // IndRun.dll hooks
+    dll_hook_insert_hooks(NULL);
+}
+
+static void dll_hook_insert_hooks(HMODULE target) {
+    hook_table_apply(
+        target,
+        "kernel32.dll",
+        indrun_kernel32_syms,
+        _countof(indrun_kernel32_syms));
+}
+
+void app_hook_insert_hooks(HMODULE target) {
+    hook_table_apply(
+        target,
+        "user32.dll",
+        idac_app_user32_syms,
+        _countof(idac_app_user32_syms));
+
+    hook_table_apply(
+        target,
+        "kernel32.dll",
+        idac_app_kernel32_syms,
+        _countof(idac_app_kernel32_syms));
+    
+    hook_table_apply(
+        target,
+        "advapi32.dll",
+        idac_app_advapi32_syms,
+        _countof(idac_app_advapi32_syms));
+}
+
+static HMODULE WINAPI hook_LoadLibraryW(const wchar_t *name)
+{
+    const wchar_t *name_end;
+    const wchar_t *target_module;
+    bool already_loaded;
+    HMODULE result;
+    size_t name_len;
+    size_t target_module_len;
+
+    if (name == NULL) {
+        SetLastError(ERROR_INVALID_PARAMETER);
+
+        return NULL;
+    }
+
+    // Check if the module is already loaded
+    already_loaded = GetModuleHandleW(name) != NULL;
+
+    // Must call the next handler so the DLL reference count is incremented
+    result = next_LoadLibraryW(name);
+
+    if (!already_loaded && result != NULL) {
+        name_len = wcslen(name);
+
+        for (size_t i = 0; i < target_modules_len; i++) {
+            target_module = target_modules[i];
+            target_module_len = wcslen(target_module);
+
+            // Check if the newly loaded library is at least the length of
+            // the name of the target module
+            if (name_len < target_module_len) {
+                continue;
+            }
+
+            name_end = &name[name_len - target_module_len];
+
+            // Check if the name of the newly loaded library is one of the
+            // modules the path hooks should be injected into
+            if (_wcsicmp(name_end, target_module) != 0) {
+                continue;
+            }
+
+            dprintf("IDAC: Hooked %S\n", target_module);
+
+            dll_hook_insert_hooks(result);
+            app_hook_insert_hooks(result);
+        }
+    }
+
+    return result;
+}
+
+static int WINAPI hook_GetSystemMetrics(int nIndex) {
+    int ret = next_GetSystemMetrics(nIndex);
+
+    // Disable mouse buttons detection
+    if (nIndex == SM_CMOUSEBUTTONS) {
+        dprintf("IDAC: GetSystemMetrics(%d) -> 0\n", nIndex);
+        return 0;
+    }
+
+    return ret;
+}
+
+static BOOL WINAPI hook_GetComputerNameW(LPWSTR lpBuffer, LPDWORD nSize) {
+    dprintf("IDAC: GetComputerNameW -> ACAE01A99999999\n");
+
+    // Fake the computer name as ACAE01A999999999
+    wcscpy(lpBuffer, L"ACAE01A999999999");
+	*nSize = _countof(L"ACAE01A99999999");
+
+    return TRUE;
+}
+
+static DWORD WINAPI hook_GetCurrentDirectoryW(DWORD nBufferLength, LPWSTR lpBuffer) {
+    dprintf("IDAC: GetCurrentDirectoryW -> X:\\\n");
+
+    // Fake the current diretory as X:
+    wcscpy(lpBuffer, L"X");
+    return 1;
+}
+
+static BOOL WINAPI hook_GetVersionExW(LPOSVERSIONINFOW lpVersionInformation) {
+    int result = next_GetVersionExW(lpVersionInformation);
+
+    // Fake the version as Windows 10 1809
+    if (result) {
+        dprintf("IDAC: GetVersionExW -> Windows 10 1809\n");
+        lpVersionInformation->dwMajorVersion = 10;
+        lpVersionInformation->dwMinorVersion = 0;
+        lpVersionInformation->dwBuildNumber = 17763;
+        return TRUE;
+    }
+
+    return result;
+}
+
+static BOOL WINAPI hook_GetUserNameW(LPWSTR lpBuffer, LPDWORD pcbBuffer) {
+    dprintf("IDAC: GetUserNameW -> AppUser\n");
+
+    // Fake the user name as AppUser
+    wcscpy(lpBuffer, L"AppUser");
+    *pcbBuffer = _countof(L"AppUser");
+
+    return TRUE;
+}
+
+static BOOL WINAPI hook_VerifyVersionInfoW(LPOSVERSIONINFOEXW lpVersionInformation, DWORD dwTypeMask, DWORDLONG dwlConditionMask) {
+    BOOL result = next_VerifyVersionInfoW(lpVersionInformation, dwTypeMask, dwlConditionMask);
+
+    // Fake the version as Windows 10 1809
+    if (lpVersionInformation->dwBuildNumber == 17763) {
+        dprintf("IDAC: VerifyVersionInfoW -> Windows 10 1809\n");
+        return TRUE;
+    }
+
+    return result;
+}
+
+static BOOL WINAPI hook_K32EnumProcesses(DWORD *lpidProcess, DWORD cb, LPDWORD lpcbNeeded) {
+    BOOL result = next_K32EnumProcesses(lpidProcess, cb, lpcbNeeded);
+
+    // Rteurn an empy process list
+    dprintf("IDAC: K32EnumProcesses -> NULL\n");
+    lpidProcess = NULL;
+    *lpcbNeeded = 0;
+
+    return TRUE;
+}

idachook/indrun.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <windows.h>
+
+struct indrun_config {
+    bool enable;
+};
+
+void indrun_hook_init(struct indrun_config *cfg);

idachook/meson.build

@@ -28,5 +28,7 @@ shared_library(
         'io4.h',
         'zinput.c',
         'zinput.h',
+        'indrun.c',
+        'indrun.h',
     ],
 )