Added a workaround for the requirement of calling DllMain in pcileech to initialize mutexes

leechcore-sys/Cargo.toml

@@ -8,6 +8,9 @@ license-file = "../LICENSE"
 
 links = "leechcore"
 
+[dependencies]
+ctor = "0.1"
+
 [build-dependencies]
 cc = "1.0.62"
 bindgen = "0.55"

leechcore-sys/build.rs

@@ -43,6 +43,7 @@ fn build_leechcore(target: &str) {
                 .collect::<Vec<_>>(),
         )
         .flag(&format!("-D{}", os_define()));
+    // EXPORTED_FUNCTION= to not export any symbols
 
     if !target.contains("windows") {
         // setup additional flags

leechcore-sys/src/lib.rs

@@ -8,3 +8,28 @@
 //#![allow(clippy::cognitive_complexity)]
 
 include!(concat!(env!("OUT_DIR"), "/leechcore.rs"));
+
+#[cfg(target_os = "windows")]
+extern "C" {
+    pub fn DllMain(_: *const u8, _: u32, _: *const u8) -> u32;
+}
+
+use ctor::{ctor, dtor};
+
+#[ctor]
+#[cfg(target_os = "windows")]
+fn leechcore_attach() {
+    // DLL_PROCESS_ATTACH
+    unsafe {
+        DllMain(std::ptr::null_mut(), 1, std::ptr::null_mut());
+    }
+}
+
+#[dtor]
+#[cfg(target_os = "windows")]
+fn leechcore_detach() {
+    // DLL_PROCESS_DETACH
+    unsafe {
+        DllMain(std::ptr::null_mut(), 0, std::ptr::null_mut());
+    }
+}