68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
#define LOG_MODULE "eamuse-hook"
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#include <windows.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "hook/table.h"
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#include "util/defs.h"
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#include "util/log.h"
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#include "util/str.h"
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static const char *jbhook_eamuse_konami_url = "eamuse.konami.";
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static int(STDCALL *real_getaddrinfo)(
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PCSTR pNodeName,
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PCSTR pServiceName,
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const ADDRINFOA *pHints,
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PADDRINFOA *ppResult);
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static int STDCALL my_getaddrinfo(
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PCSTR pNodeName,
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PCSTR pServiceName,
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const ADDRINFOA *pHints,
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PADDRINFOA *ppResult);
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static const struct hook_symbol eamuse_hook_syms[] = {
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{
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.name = "getaddrinfo",
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.ordinal = 176,
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.patch = my_getaddrinfo,
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.link = (void **) &real_getaddrinfo,
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},
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};
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static int STDCALL my_getaddrinfo(
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PCSTR pNodeName,
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PCSTR pServiceName,
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const ADDRINFOA *pHints,
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PADDRINFOA *ppResult)
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{
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log_misc("my_getaddrinfo: %s, %s", pNodeName, pServiceName);
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/* resolve eamuse.konami.fun/com to 127.0.0.1 to avoid lag spikes every
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150 seconds which might happen in-game as well */
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if (!strncmp(
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pNodeName,
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jbhook_eamuse_konami_url,
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strlen(jbhook_eamuse_konami_url))) {
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log_info("Resolve konami.eamuse.XXX -> localhost");
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pNodeName = "localhost";
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}
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return real_getaddrinfo(pNodeName, pServiceName, pHints, ppResult);
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}
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void jbhook_eamuse_hook_init(void)
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{
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hook_table_apply(
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NULL, "ws2_32.dll", eamuse_hook_syms, lengthof(eamuse_hook_syms));
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log_info("Inserted eamuse hooks");
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}
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