Add DMM version.dll proxy hook for CGSS

Signed-off-by: Sean Du <do4suki@gmail.com>
2026-06-20 08:08:30 +08:00
commit 58aa9be073
15 changed files with 683 additions and 0 deletions
@@ -0,0 +1,55 @@
+#include "stdinclude.hpp"
+
+namespace {
+    HANDLE g_log_file = INVALID_HANDLE_VALUE;
+
+    HANDLE get_log_file() {
+        if (g_log_file != INVALID_HANDLE_VALUE) {
+            return g_log_file;
+        }
+
+        char path[MAX_PATH] = {};
+        DWORD len = GetModuleFileNameA(nullptr, path, MAX_PATH);
+        if (len == 0 || len >= MAX_PATH) {
+            return INVALID_HANDLE_VALUE;
+        }
+
+        char* last_sep = path;
+        for (char* p = path; *p != '\0'; ++p) {
+            if (*p == '\\' || *p == '/') {
+                last_sep = p;
+            }
+        }
+        *last_sep = '\0';
+        lstrcatA(path, "\\cgss-http-hook.log");
+
+        g_log_file = CreateFileA(
+            path,
+            FILE_APPEND_DATA,
+            FILE_SHARE_READ | FILE_SHARE_WRITE,
+            nullptr,
+            OPEN_ALWAYS,
+            FILE_ATTRIBUTE_NORMAL,
+            nullptr
+        );
+        return g_log_file;
+    }
+}
+
+void hook_log(const char* message) {
+    if (!message) {
+        return;
+    }
+
+    OutputDebugStringA(message);
+    OutputDebugStringA("\r\n");
+
+    HANDLE log_file = get_log_file();
+    if (log_file == INVALID_HANDLE_VALUE) {
+        return;
+    }
+
+    DWORD ignored = 0;
+    WriteFile(log_file, message, lstrlenA(message), &ignored, nullptr);
+    WriteFile(log_file, "\r\n", 2, &ignored, nullptr);
+}