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winws2: define APPDATALOW env for LUA code for file storage

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bol-van
2025-11-24 17:08:04 +03:00
parent b2f7fac102
commit c52a3a2e75
1 changed files with 32 additions and 1 deletions
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33
nfq2/darkmagic.c
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@@ -23,6 +23,9 @@
#include <wlanapi.h>
#include <netlistmgr.h>
#include <aclapi.h>
#include <wchar.h>
#include <KnownFolders.h>
#include <shlobj.h>
#ifndef ERROR_INVALID_IMAGE_HASH
#define ERROR_INVALID_IMAGE_HASH __MSABI_LONG(577)
@@ -659,8 +662,34 @@ bool ensure_file_access(const char *filename)
return SetMandatoryLabelFile(filename, SECURITY_MANDATORY_LOW_RID);
}
#define WINDIVERT_DEVICE_NAME "WinDivert"
static bool set_low_appdata_env()
{
bool b = false;
PWSTR pszPath = NULL;
HRESULT hr = SHGetKnownFolderPath(&FOLDERID_LocalAppDataLow, 0, NULL, &pszPath);
if (SUCCEEDED(hr))
{
size_t k,l = wcslen(pszPath);
// make it cygwin compatible
for (k=0 ; k<l ; k++) if (pszPath[k]==L'\\') pszPath[k]=L'/';
// max size of utf-8 char is 4 bytes
l = l*4 + 1;
char *buf = (char*)malloc(l);
if (buf)
{
if (WideCharToMultiByte(CP_UTF8, 0, pszPath, -1, buf, l, NULL, NULL))
{
b = true;
setenv("APPDATALOW", buf, 1);
}
free(buf);
}
CoTaskMemFree(pszPath);
}
return b;
}
#define WINDIVERT_DEVICE_NAME "WinDivert"
static bool b_isandbox_set = false;
bool win_sandbox(void)
{
@@ -675,6 +704,8 @@ bool win_sandbox(void)
return FALSE;
if (!LowMandatoryLevel())
return false;
// for LUA code to find where to store files
set_low_appdata_env();
b_isandbox_set = true;
}
return true;