lucent/cocco-ddraw
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

#179 hook GetDiskFreeSpaceA

Browse source
This commit is contained in:
FunkyFr3sh 2022-10-15 18:28:23 +02:00
parent c648d46f4c
commit 1170d0dd12
5 changed files with 58 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/config.c
View file

@ -372,6 +372,8 @@ static void cfg_create_ini()
"allow_wmactivate=false\n"
"dinputhook=false\n"
"flipclear=false\n"
"limit_disk_space=false\n"
"fixmousehook=false\n"
"bpp=0\n"
"\n"
"\n"
@ -733,10 +735,12 @@ static void cfg_create_ini()
"; Fallout\n"
"[falloutw]\n"
"dinputhook=true\n"
"limit_disk_space=true\n"
"\n"
"; Fallout 2\n"
"[FALLOUT2]\n"
"dinputhook=true\n"
"limit_disk_space=true\n"
"\n"
"; Fairy Tale About Father Frost, Ivan and Nastya\n"
"[mrazik]\n"

3
src/hook.c
View file

@ -49,6 +49,7 @@ LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
LOADLIBRARYEXAPROC real_LoadLibraryExA = LoadLibraryExA;
LOADLIBRARYEXWPROC real_LoadLibraryExW = LoadLibraryExW;
GETDISKFREESPACEAPROC real_GetDiskFreeSpaceA = GetDiskFreeSpaceA;
COCREATEINSTANCEPROC real_CoCreateInstance = CoCreateInstance;
static HOOKLIST g_hooks[] =
@ -576,6 +577,7 @@ void hook_early_init()
hook_patch_iat(GetModuleHandle(NULL), FALSE, "user32.dll", "ClipCursor", (PROC)fake_ClipCursor); //NexusTK
hook_patch_iat(GetModuleHandle("AcGenral"), FALSE, "user32.dll", "SetWindowsHookExA", (PROC)fake_SetWindowsHookExA);
hook_patch_iat(GetModuleHandle(NULL), FALSE, "user32.dll", "SetWindowsHookExA", (PROC)fake_SetWindowsHookExA);
hook_patch_iat(GetModuleHandle(NULL), FALSE, "kernel32.dll", "GetDiskFreeSpaceA", (PROC)fake_GetDiskFreeSpaceA);
}
void hook_exit()
@ -633,4 +635,5 @@ void hook_exit()
hook_patch_iat(GetModuleHandle(NULL), TRUE, "user32.dll", "ClipCursor", (PROC)fake_ClipCursor); //NexusTK
hook_patch_iat(GetModuleHandle("AcGenral"), TRUE, "user32.dll", "SetWindowsHookExA", (PROC)fake_SetWindowsHookExA);
hook_patch_iat(GetModuleHandle(NULL), TRUE, "user32.dll", "SetWindowsHookExA", (PROC)fake_SetWindowsHookExA);
hook_patch_iat(GetModuleHandle(NULL), TRUE, "kernel32.dll", "GetDiskFreeSpaceA", (PROC)fake_GetDiskFreeSpaceA);
}

33
src/winapi_hooks.c
View file

@ -776,6 +776,39 @@ HMODULE WINAPI fake_LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dw
return hmod;
}
BOOL WINAPI fake_GetDiskFreeSpaceA(
LPCSTR lpRootPathName,
LPDWORD lpSectorsPerCluster,
LPDWORD lpBytesPerSector,
LPDWORD lpNumberOfFreeClusters,
LPDWORD lpTotalNumberOfClusters)
{
BOOL result =
real_GetDiskFreeSpaceA(
lpRootPathName,
lpSectorsPerCluster,
lpBytesPerSector,
lpNumberOfFreeClusters,
lpTotalNumberOfClusters);
if (cfg_get_bool("limit_disk_space", FALSE))
{
if (lpSectorsPerCluster)
*lpSectorsPerCluster = 0x00000040;
if (lpBytesPerSector)
*lpBytesPerSector = 0x00000200;
if (lpNumberOfFreeClusters)
*lpNumberOfFreeClusters = 0x0000FFF6;
if (lpTotalNumberOfClusters)
*lpTotalNumberOfClusters = 0x0000FFF6;
}
return result;
}
BOOL WINAPI fake_DestroyWindow(HWND hWnd)
{
BOOL result = real_DestroyWindow(hWnd);