implement r/w of process memory

2024-12-30 18:06:33 +00:00
parent ff7674615d
commit d6fb43adc1
6 changed files with 103 additions and 10 deletions
@@ -0,0 +1,51 @@
+use super::handle::Handle;
+
+use std::ffi::c_void;
+
+use windows::Win32::System::Diagnostics::Debug::{ReadProcessMemory, WriteProcessMemory};
+
+pub fn read_process_memory<T>(
+    handle: &Handle,
+    address: usize,
+    value: &mut T,
+) -> Result<(), crate::Error> {
+    unsafe {
+        match ReadProcessMemory(
+            handle.0,
+            address as *const c_void,
+            value as *mut T as *mut c_void,
+            size_of::<T>(),
+            None,
+        ) {
+            Ok(()) => return Ok(()),
+            Err(why) => {
+                return Err(crate::Error::MemoryError(format!(
+                    "failed to read memory: {why}"
+                )));
+            }
+        };
+    }
+}
+
+pub fn write_process_memory<T>(
+    handle: &Handle,
+    address: usize,
+    value: &mut T,
+) -> Result<(), crate::Error> {
+    unsafe {
+        match WriteProcessMemory(
+            handle.0,
+            address as *const c_void,
+            value as *mut T as *mut c_void,
+            size_of::<T>(),
+            None,
+        ) {
+            Ok(()) => return Ok(()),
+            Err(why) => {
+                return Err(crate::Error::MemoryError(format!(
+                    "failed to write memory: {why}"
+                )));
+            }
+        };
+    }
+}