elf: implement GNU_PROPERTY_1_NEEDED support

api/python/src/ELF/objects/NoteDetails/properties/CMakeLists.txt

@@ -2,6 +2,7 @@ target_sources(pyLIEF PRIVATE
   pyAArch64Feature.cpp
   pyAArch64PAuth.cpp
   pyGeneric.cpp
+  pyNeeded.cpp
   pyNoteNoCopyOnProtected.cpp
   pyX86Features.cpp
   pyX86ISA.cpp

api/python/src/ELF/objects/NoteDetails/properties/pyNeeded.cpp

@@ -0,0 +1,51 @@
+/* Copyright 2017 - 2026 R. Thomas
+ * Copyright 2017 - 2026 Quarkslab
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <string>
+
+#include <nanobind/stl/vector.h>
+
+#include "enums_wrapper.hpp"
+#include "ELF/pyELF.hpp"
+
+#include "LIEF/ELF/NoteDetails/properties/Needed.hpp"
+
+namespace LIEF::ELF::py {
+
+template<>
+void create<Needed>(nb::module_& m) {
+  using NEED = Needed::NEED;
+  nb::class_<Needed, NoteGnuProperty::Property>
+    Class(m, "Needed",
+      R"doc(
+      This class represents the ``GNU_PROPERTY_1_NEEDED`` note property
+      which provides information about additional features the object file
+      needs at runtime.
+      )doc"_doc);
+
+  enum_<NEED>(Class, "NEED")
+    .value("NEED", NEED::UNKNOWN, "")
+    .value("INDIRECT_EXTERN_ACCESS", NEED::INDIRECT_EXTERN_ACCESS,
+           "The object needs indirect external access")
+  ;
+
+  Class
+    .def_prop_ro("needs", &Needed::needs,
+        R"doc(
+        Return the list of the needed features.
+        )doc"_doc);
+}
+
+}

api/python/src/ELF/objects/NoteDetails/pyNoteGnuProperty.cpp

@@ -30,6 +30,7 @@
 #include "LIEF/ELF/NoteDetails/properties/StackSize.hpp"
 #include "LIEF/ELF/NoteDetails/properties/NoteNoCopyOnProtected.hpp"
 #include "LIEF/ELF/NoteDetails/properties/Generic.hpp"
+#include "LIEF/ELF/NoteDetails/properties/Needed.hpp"
 
 namespace LIEF::ELF::py {
 
@@ -68,6 +69,7 @@ void create<NoteGnuProperty>(nb::module_& m) {
 
   create<AArch64Feature>(m);
   create<AArch64PAuth>(m);
+  create<Needed>(m);
   create<X86Features>(m);
   create<X86ISA>(m);
   create<StackSize>(m);