Bemanitools v5.26 release

2019-09-27 22:36:50 +02:00
commit cbd7720349
718 changed files with 62731 additions and 0 deletions
@@ -0,0 +1,59 @@
+#define LOG_MODULE "eamuse-hook"
+
+#include <windows.h>
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "hook/table.h"
+
+#include "util/defs.h"
+#include "util/log.h"
+#include "util/str.h"
+
+static const char* jbhook_eamuse_konami_url = "eamuse.konami.";
+
+static int (STDCALL *real_getaddrinfo)(PCSTR pNodeName, PCSTR pServiceName,
+    const ADDRINFOA *pHints, PADDRINFOA *ppResult);
+
+static int STDCALL my_getaddrinfo(PCSTR pNodeName, PCSTR pServiceName,
+    const ADDRINFOA *pHints, PADDRINFOA *ppResult);
+
+static const struct hook_symbol eamuse_hook_syms[] = {
+    {
+        .name       = "getaddrinfo",
+        .ordinal    = 176,
+        .patch      = my_getaddrinfo,
+        .link       = (void **) &real_getaddrinfo,
+    },
+};
+
+static int STDCALL my_getaddrinfo(PCSTR pNodeName, PCSTR pServiceName,
+        const ADDRINFOA *pHints, PADDRINFOA *ppResult)
+{
+    log_misc("my_getaddrinfo: %s, %s", pNodeName, pServiceName);
+
+    /* resolve eamuse.konami.fun/com to 127.0.0.1 to avoid lag spikes every
+       150 seconds which might happen in-game as well */
+    if (!strncmp(pNodeName, jbhook_eamuse_konami_url,
+            strlen(jbhook_eamuse_konami_url))) {
+        log_info("Resolve konami.eamuse.XXX -> localhost");
+        pNodeName = "localhost";
+    }
+
+    return real_getaddrinfo(pNodeName, pServiceName, pHints, ppResult);
+}
+
+void jbhook_eamuse_hook_init(void)
+{
+    hook_table_apply(
+            NULL,
+            "ws2_32.dll",
+            eamuse_hook_syms,
+            lengthof(eamuse_hook_syms));
+
+    log_info("Inserted eamuse hooks");
+}