unstable patch for 202312+

include/dns_hook.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "common.h"
+
+typedef int (WSAAPI *getaddrinfo_t)(
+    PCSTR,
+    PCSTR,
+    const ADDRINFOA *,
+    PADDRINFOA *
+);
+
+typedef struct hostent *(WSAAPI *gethostbyname_t)(
+    const char *
+);
+
+extern getaddrinfo_t real_getaddrinfo;
+extern getaddrinfo_t original_getaddrinfo;
+
+extern gethostbyname_t real_gethostbyname;
+
+extern BYTE backup_getaddrinfo[32];   // holds whole stolen instructions (>= 14 bytes)
+
+int WSAAPI hook_getaddrinfo(
+    PCSTR,
+    PCSTR,
+    const ADDRINFOA *,
+    PADDRINFOA *
+);
+
+struct hostent *WSAAPI hook_gethostbyname(
+    const char *
+);