Bemanitools v5.26 release

src/main/iidxhook-util/clock.c

@@ -0,0 +1,37 @@
+#define LOG_MODULE "clock-hook"
+
+#include <windows.h>
+
+#include "hook/table.h"
+
+#include "util/defs.h"
+#include "util/log.h"
+
+static BOOL STDCALL my_SetLocalTime(const SYSTEMTIME* lpSystemTime);
+static BOOL (STDCALL *real_SetLocalTime)(const SYSTEMTIME* lpSystemTime);
+
+static const struct hook_symbol clock_hook_syms[] = {
+    {
+        .name   = "SetLocalTime",
+        .patch  = my_SetLocalTime,
+        .link   = (void **) &real_SetLocalTime
+    },
+};
+
+static BOOL STDCALL my_SetLocalTime(const SYSTEMTIME* lpSystemTime)
+{
+    /* Stub, don't mess with system clock */
+    log_misc("Blocked setting system clock time");
+    return TRUE;
+}
+
+void iidxhook_util_clock_hook_init(void)
+{
+    hook_table_apply(
+            NULL,
+            "kernel32.dll",
+            clock_hook_syms,
+            lengthof(clock_hook_syms));
+
+    log_info("Inserted clock hooks");
+}