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/* Bare copy of a part of Win32.xs */
#define WIN32_LEAN_AND_MEAN
#define _WIN32_WINNT 0x0500
#include <windows.h>
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#define GETPROC(fn) pfn##fn = (PFN##fn)GetProcAddress(module, #fn)
typedef LONG (WINAPI *PFNRegGetValueA)(HKEY, LPCSTR, LPCSTR, DWORD, LPDWORD, PVOID, LPDWORD);
/* Use explicit struct definition because wSuiteMask and
* wProductType are not defined in the VC++ 6.0 headers.
* WORD type has been replaced by unsigned short because
* WORD is already used by Perl itself.
*/
struct g_osver_t {
DWORD dwOSVersionInfoSize;
DWORD dwMajorVersion;
DWORD dwMinorVersion;
DWORD dwBuildNumber;
DWORD dwPlatformId;
CHAR szCSDVersion[128];
unsigned short wServicePackMajor;
unsigned short wServicePackMinor;
unsigned short wSuiteMask;
BYTE wProductType;
BYTE wReserved;
} g_osver = {0, 0, 0, 0, 0, "", 0, 0, 0, 0, 0};
BOOL g_osver_ex = TRUE;
XS(w32_GetOSVersion)
{
dXSARGS;
if (items)
Perl_croak(aTHX_ "usage: Win32::GetOSVersion()");
if (GIMME_V == G_SCALAR) {
XSRETURN_IV(g_osver.dwPlatformId);
}
XPUSHs(sv_2mortal(newSVpvn(g_osver.szCSDVersion, strlen(g_osver.szCSDVersion))));
XPUSHs(sv_2mortal(newSViv(g_osver.dwMajorVersion)));
XPUSHs(sv_2mortal(newSViv(g_osver.dwMinorVersion)));
XPUSHs(sv_2mortal(newSViv(g_osver.dwBuildNumber)));
XPUSHs(sv_2mortal(newSViv(g_osver.dwPlatformId)));
if (g_osver_ex) {
XPUSHs(sv_2mortal(newSViv(g_osver.wServicePackMajor)));
XPUSHs(sv_2mortal(newSViv(g_osver.wServicePackMinor)));
XPUSHs(sv_2mortal(newSViv(g_osver.wSuiteMask)));
XPUSHs(sv_2mortal(newSViv(g_osver.wProductType)));
}
PUTBACK;
}
XS(w32_GetProcessPrivileges)
{
dXSARGS;
BOOL ret;
HV *priv_hv;
HANDLE proc_handle, token;
char *priv_name = NULL;
TOKEN_PRIVILEGES *privs = NULL;
DWORD i, pid, priv_name_len = 100, privs_len = 300;
if (items > 1)
Perl_croak(aTHX_ "usage: Win32::GetProcessPrivileges([$pid])");
if (items == 0) {
EXTEND(SP, 1);
pid = GetCurrentProcessId();
}
else {
pid = (DWORD)SvUV(ST(0));
}
proc_handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
if (!proc_handle)
XSRETURN_NO;
ret = OpenProcessToken(proc_handle, TOKEN_QUERY, &token);
CloseHandle(proc_handle);
if (!ret)
XSRETURN_NO;
do {
Renewc(privs, privs_len, char, TOKEN_PRIVILEGES);
ret = GetTokenInformation(
token, TokenPrivileges, privs, privs_len, &privs_len
);
} while (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER);
CloseHandle(token);
if (!ret) {
Safefree(privs);
XSRETURN_NO;
}
priv_hv = newHV();
New(0, priv_name, priv_name_len, char);
for (i = 0; i < privs->PrivilegeCount; ++i) {
DWORD ret_len = 0;
LUID_AND_ATTRIBUTES *priv = &privs->Privileges[i];
BOOL is_enabled = !!(priv->Attributes & SE_PRIVILEGE_ENABLED);
if (priv->Attributes & SE_PRIVILEGE_REMOVED)
continue;
do {
ret_len = priv_name_len;
ret = LookupPrivilegeNameA(
NULL, &priv->Luid, priv_name, &ret_len
);
if (ret_len > priv_name_len) {
priv_name_len = ret_len + 1;
Renew(priv_name, priv_name_len, char);
}
} while (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER);
if (!ret) {
SvREFCNT_dec((SV*)priv_hv);
Safefree(privs);
Safefree(priv_name);
XSRETURN_NO;
}
hv_store(priv_hv, priv_name, ret_len, newSViv(is_enabled), 0);
}
Safefree(privs);
Safefree(priv_name);
ST(0) = sv_2mortal(newRV_noinc((SV*)priv_hv));
XSRETURN(1);
}
XS(w32_IsDeveloperModeEnabled)
{
dXSARGS;
LONG status;
DWORD val, val_size = sizeof(val);
PFNRegGetValueA pfnRegGetValueA;
HMODULE module;
if (items)
Perl_croak(aTHX_ "usage: Win32::IsDeveloperModeEnabled()");
EXTEND(SP, 1);
/* developer mode was introduced in Windows 10 */
if (g_osver.dwMajorVersion < 10)
XSRETURN_NO;
module = GetModuleHandleA("advapi32.dll");
GETPROC(RegGetValueA);
if (!pfnRegGetValueA)
XSRETURN_NO;
status = pfnRegGetValueA(
HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\AppModelUnlock",
"AllowDevelopmentWithoutDevLicense",
RRF_RT_REG_DWORD | KEY_WOW64_64KEY,
NULL,
&val,
&val_size
);
if (status == ERROR_SUCCESS && val == 1)
XSRETURN_YES;
XSRETURN_NO;
}
MODULE = Test::File PACKAGE = Test::File::Win32
PROTOTYPES: DISABLE
BOOT:
{
const char *file = __FILE__;
if (g_osver.dwOSVersionInfoSize == 0) {
g_osver.dwOSVersionInfoSize = sizeof(g_osver);
if (!GetVersionExA((OSVERSIONINFOA*)&g_osver)) {
g_osver_ex = FALSE;
g_osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
GetVersionExA((OSVERSIONINFOA*)&g_osver);
}
}
newXS("Test::File::Win32::GetOSVersion", w32_GetOSVersion, file);
newXS("Test::File::Win32::GetProcessPrivileges", w32_GetProcessPrivileges, file);
newXS("Test::File::Win32::IsDeveloperModeEnabled", w32_IsDeveloperModeEnabled, file);
XSRETURN_YES;
}
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