http2: check for HTTP1 protocol during upgrade path

Ticket: 8492
(cherry picked from commit 6ebd0c3cc2)

rust/src/http2/http2.rs

@@ -43,6 +43,7 @@ use suricata_sys::sys::{
     SCAppLayerParserConfParserEnabled, SCAppLayerParserRegisterLogger,
     SCAppLayerProtoDetectConfProtoDetectionEnabled,
 };
+use suricata_sys::sys::AppProtoEnum::ALPROTO_HTTP1;
 
 static mut ALPROTO_HTTP2: AppProto = ALPROTO_UNKNOWN;
 static mut ALPROTO_DOH2: AppProto = ALPROTO_UNKNOWN;
@@ -1446,13 +1447,12 @@ extern "C" {
 // is typically not unsafe.
 #[allow(clippy::not_unsafe_ptr_arg_deref)]
 extern "C" fn http2_state_new(
-    orig_state: *mut std::os::raw::c_void, _orig_proto: AppProto,
+    orig_state: *mut std::os::raw::c_void, orig_proto: AppProto,
 ) -> *mut std::os::raw::c_void {
     let state = HTTP2State::new();
     let boxed = Box::new(state);
     let r = Box::into_raw(boxed) as *mut _;
-    if !orig_state.is_null() {
-        //we could check ALPROTO_HTTP1 == orig_proto
+    if !orig_state.is_null() && orig_proto == ALPROTO_HTTP1 as u16 {
         unsafe {
             HTTP2MimicHttp1Request(orig_state, r);
         }