1 files changed, 167 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Windows/SecurityUtils.h b/other-licenses/7zstub/src/CPP/Windows/SecurityUtils.h
new file mode 100644
index 000000000..16b6606e6
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/Windows/SecurityUtils.h
@@ -0,0 +1,167 @@
+// Windows/SecurityUtils.h
+
+#ifndef __WINDOWS_SECURITY_UTILS_H
+#define __WINDOWS_SECURITY_UTILS_H
+
+#include <NTSecAPI.h>
+
+#include "Defs.h"
+
+namespace NWindows {
+namespace NSecurity {
+
+class CAccessToken
+{
+  HANDLE _handle;
+public:
+  CAccessToken(): _handle(NULL) {};
+  ~CAccessToken() { Close(); }
+  bool Close()
+  {
+    if (_handle == NULL)
+      return true;
+    bool res = BOOLToBool(::CloseHandle(_handle));
+    if (res)
+      _handle = NULL;
+    return res;
+  }
+
+  bool OpenProcessToken(HANDLE processHandle, DWORD desiredAccess)
+  {
+    Close();
+    return BOOLToBool(::OpenProcessToken(processHandle, desiredAccess, &_handle));
+  }
+
+  /*
+  bool OpenThreadToken(HANDLE threadHandle, DWORD desiredAccess, bool openAsSelf)
+  {
+    Close();
+    return BOOLToBool(::OpenTreadToken(threadHandle, desiredAccess, BoolToBOOL(anOpenAsSelf), &_handle));
+  }
+  */
+
+  bool AdjustPrivileges(bool disableAllPrivileges, PTOKEN_PRIVILEGES newState,
+      DWORD bufferLength, PTOKEN_PRIVILEGES previousState, PDWORD returnLength)
+    { return BOOLToBool(::AdjustTokenPrivileges(_handle, BoolToBOOL(disableAllPrivileges),
+      newState, bufferLength, previousState, returnLength)); }
+  
+  bool AdjustPrivileges(bool disableAllPrivileges, PTOKEN_PRIVILEGES newState)
+    { return AdjustPrivileges(disableAllPrivileges, newState, 0, NULL, NULL); }
+  
+  bool AdjustPrivileges(PTOKEN_PRIVILEGES newState)
+    { return AdjustPrivileges(false, newState); }
+
+};
+
+#ifndef _UNICODE
+typedef NTSTATUS (NTAPI *LsaOpenPolicyP)(PLSA_UNICODE_STRING SystemName,
+    PLSA_OBJECT_ATTRIBUTES ObjectAttributes, ACCESS_MASK DesiredAccess, PLSA_HANDLE PolicyHandle);
+typedef NTSTATUS (NTAPI *LsaCloseP)(LSA_HANDLE ObjectHandle);
+typedef NTSTATUS (NTAPI *LsaAddAccountRightsP)(LSA_HANDLE PolicyHandle,
+    PSID AccountSid, PLSA_UNICODE_STRING UserRights, ULONG CountOfRights );
+#define MY_STATUS_NOT_IMPLEMENTED           ((NTSTATUS)0xC0000002L)
+#endif
+
+struct CPolicy
+{
+protected:
+  LSA_HANDLE _handle;
+  #ifndef _UNICODE
+  HMODULE hModule;
+  #endif
+public:
+  operator LSA_HANDLE() const { return _handle; }
+  CPolicy(): _handle(NULL)
+  {
+    #ifndef _UNICODE
+    hModule = GetModuleHandle(TEXT("Advapi32.dll"));
+    #endif
+  };
+  ~CPolicy() { Close(); }
+
+  NTSTATUS Open(PLSA_UNICODE_STRING systemName, PLSA_OBJECT_ATTRIBUTES objectAttributes,
+      ACCESS_MASK desiredAccess)
+  {
+    #ifndef _UNICODE
+    if (hModule == NULL)
+      return MY_STATUS_NOT_IMPLEMENTED;
+    LsaOpenPolicyP lsaOpenPolicy = (LsaOpenPolicyP)GetProcAddress(hModule, "LsaOpenPolicy");
+    if (lsaOpenPolicy == NULL)
+      return MY_STATUS_NOT_IMPLEMENTED;
+    #endif
+
+    Close();
+    return
+      #ifdef _UNICODE
+      ::LsaOpenPolicy
+      #else
+      lsaOpenPolicy
+      #endif
+      (systemName, objectAttributes, desiredAccess, &_handle);
+  }
+  
+  NTSTATUS Close()
+  {
+    if (_handle == NULL)
+      return 0;
+
+    #ifndef _UNICODE
+    if (hModule == NULL)
+      return MY_STATUS_NOT_IMPLEMENTED;
+    LsaCloseP lsaClose = (LsaCloseP)GetProcAddress(hModule, "LsaClose");
+    if (lsaClose == NULL)
+      return MY_STATUS_NOT_IMPLEMENTED;
+    #endif
+
+    NTSTATUS res =
+      #ifdef _UNICODE
+      ::LsaClose
+      #else
+      lsaClose
+      #endif
+      (_handle);
+    _handle = NULL;
+    return res;
+  }
+  
+  NTSTATUS EnumerateAccountsWithUserRight(PLSA_UNICODE_STRING userRights,
+      PLSA_ENUMERATION_INFORMATION *enumerationBuffer, PULONG countReturned)
+    { return LsaEnumerateAccountsWithUserRight(_handle, userRights, (void **)enumerationBuffer, countReturned); }
+
+  NTSTATUS EnumerateAccountRights(PSID sid, PLSA_UNICODE_STRING* userRights, PULONG countOfRights)
+    { return ::LsaEnumerateAccountRights(_handle, sid, userRights, countOfRights); }
+
+  NTSTATUS LookupSids(ULONG count, PSID* sids,
+      PLSA_REFERENCED_DOMAIN_LIST* referencedDomains, PLSA_TRANSLATED_NAME* names)
+    { return LsaLookupSids(_handle, count, sids, referencedDomains, names); }
+
+  NTSTATUS AddAccountRights(PSID accountSid, PLSA_UNICODE_STRING userRights, ULONG countOfRights)
+  {
+    #ifndef _UNICODE
+    if (hModule == NULL)
+      return MY_STATUS_NOT_IMPLEMENTED;
+    LsaAddAccountRightsP lsaAddAccountRights = (LsaAddAccountRightsP)GetProcAddress(hModule, "LsaAddAccountRights");
+    if (lsaAddAccountRights == NULL)
+      return MY_STATUS_NOT_IMPLEMENTED;
+    #endif
+
+    return
+      #ifdef _UNICODE
+      ::LsaAddAccountRights
+      #else
+      lsaAddAccountRights
+      #endif
+      (_handle, accountSid, userRights, countOfRights);
+  }
+  NTSTATUS AddAccountRights(PSID accountSid, PLSA_UNICODE_STRING userRights)
+    { return AddAccountRights(accountSid, userRights, 1); }
+
+  NTSTATUS RemoveAccountRights(PSID accountSid, bool allRights, PLSA_UNICODE_STRING userRights, ULONG countOfRights)
+    { return LsaRemoveAccountRights(_handle, accountSid, (BOOLEAN)(allRights ? TRUE : FALSE), userRights, countOfRights); }
+};
+
+bool AddLockMemoryPrivilege();
+
+}}
+
+#endif