feat: set default proxy

src/unlocker/main.cpp

@@ -2,6 +2,56 @@
 
 #include <nerutils/log.h>
 
+#include <Windows.h>
+#include <wininet.h>
+
+bool setProxy(bool enable, const std::string& proxyAddr)
+{
+    INTERNET_PER_CONN_OPTION_LIST list;
+    INTERNET_PER_CONN_OPTION options[3];
+    unsigned long listSize = sizeof(INTERNET_PER_CONN_OPTION_LIST);
+
+    options[0].dwOption = INTERNET_PER_CONN_FLAGS;
+    if (enable)
+        options[0].Value.dwValue = PROXY_TYPE_PROXY | PROXY_TYPE_DIRECT;
+    else
+        options[0].Value.dwValue = PROXY_TYPE_DIRECT;
+
+    options[1].dwOption = INTERNET_PER_CONN_PROXY_SERVER;
+    options[1].Value.pszValue = const_cast<char*>(proxyAddr.c_str());
+
+    options[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;
+    options[2].Value.pszValue = const_cast<char*>("<local>");
+
+    list.dwSize = sizeof(INTERNET_PER_CONN_OPTION_LIST);
+    list.pszConnection = NULL;
+    list.dwOptionCount = 3;
+    list.dwOptionError = 0;
+    list.pOptions = options;
+
+    if (!InternetSetOptionA(NULL, INTERNET_OPTION_PER_CONNECTION_OPTION, &list, listSize))
+    {
+        Log::error("Failed to set proxy options, Err: {}", GetLastError());
+        return false;
+    }
+
+    InternetSetOption(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, 0);
+    InternetSetOption(NULL, INTERNET_OPTION_REFRESH, NULL, 0);
+
+    return true;
+}
+
+bool running = true;
+BOOL WINAPI consoleHandler(DWORD dwType)
+{
+    if (dwType == CTRL_C_EVENT || dwType == CTRL_CLOSE_EVENT)
+    {
+        running = false;
+        return TRUE;
+    }
+    return FALSE;
+}
+
 int main()
 {
     Log::createConsole();
@@ -18,6 +68,8 @@ int main()
         return 1;
     }
 
+    setProxy(true, std::format("127.0.0.1:{}", PROXY_PORT));
+
     Log::verbose("Proxy running (CTRL+C to stop)");
     while (running)
         Sleep(100);
@@ -25,5 +77,7 @@ int main()
     Log::verbose("Shutting down proxy");
     proxy->Shutdown();
     delete proxy;
+    setProxy(false, "");
+
     return 0;
 }