hooklib/dns.c

@@ -14,7 +14,6 @@
 #include "hook/table.h"
 
 #include "util/dprintf.h"
-#include "util/get_function_ordinal.h"
 
 #include "hooklib/dns.h"
 
@@ -82,12 +81,6 @@ static bool WINAPI hook_WinHttpCrackUrl(
         DWORD dwFlags,
         LPURL_COMPONENTS lpUrlComponents);
 
-static DWORD WINAPI hook_send(
-        SOCKET s,
-        const char* buf,
-        int len,
-        int flags);
-
 /* Link pointers */
 
 static DNS_STATUS (WINAPI *next_DnsQuery_A)(
@@ -129,12 +122,6 @@ static bool (WINAPI *next_WinHttpCrackUrl)(
         DWORD dwFlags,
         LPURL_COMPONENTS lpUrlComponents);
 
-static DWORD (WINAPI *next_send)(
-        SOCKET s,
-        const char* buf,
-        int len,
-        int flags);
-
 static const struct hook_symbol dns_hook_syms_dnsapi[] = {
     {
         .name       = "DnsQuery_A",
@@ -157,7 +144,7 @@ static const struct hook_symbol dns_hook_syms_ws2[] = {
         .ordinal    = 176,
         .patch      = hook_getaddrinfo,
         .link       = (void **) &next_getaddrinfo,
-    },
+    }
 };
 
 static const struct hook_symbol dns_hook_syms_winhttp[] = {
@@ -170,14 +157,7 @@ static const struct hook_symbol dns_hook_syms_winhttp[] = {
         .patch      = hook_WinHttpCrackUrl,
         .link       = (void **) &next_WinHttpCrackUrl,
     }
-};
 
-static struct hook_symbol http_hook_syms_ws2[] = {
-    {
-        .name       = "send",
-        .patch      = hook_send,
-        .link       = (void **) &next_send
-    },
 };
 
 static bool dns_hook_initted;
@@ -206,7 +186,7 @@ static void dns_hook_init(void)
             "ws2_32.dll",
             dns_hook_syms_ws2,
             _countof(dns_hook_syms_ws2));
-
+    
     hook_table_apply(
             NULL,
             "winhttp.dll",
@@ -214,18 +194,6 @@ static void dns_hook_init(void)
             _countof(dns_hook_syms_winhttp));
 }
 
-void http_hook_init(){
-    for (size_t i = 0; i < _countof(http_hook_syms_ws2); ++i) {
-        http_hook_syms_ws2[i].ordinal = get_function_ordinal("ws2_32.dll", http_hook_syms_ws2[i].name);
-    }
-
-    hook_table_apply(
-            NULL,
-            "ws2_32.dll",
-            http_hook_syms_ws2,
-            _countof(http_hook_syms_ws2));
-}
-
 // This function match domain and subdomains like *.naominet.jp.
 bool match_domain(const wchar_t* target, const wchar_t* pattern) {
     if (_wcsicmp(pattern, target) == 0) {
@@ -650,49 +618,3 @@ static bool WINAPI hook_WinHttpCrackUrl(
         lpUrlComponents
     );
 }
-
-DWORD WINAPI hook_send(SOCKET s, const char* buf, int len, int flags) {
-    if (strstr(buf, "HTTP/") != NULL) {
-        char *new_buf = malloc(len + 1);
-        if (new_buf == NULL) return SOCKET_ERROR;
-
-        memcpy(new_buf, buf, len);
-        new_buf[len] = '\0';
-
-        char *host_start = strstr(new_buf, "Host: ");
-        if (host_start != NULL) {
-            char *host_end = strstr(host_start, "\r\n");
-            if (host_end != NULL) {
-                host_end += 2;
-                int host_len = host_end - host_start;
-
-                char *host_value_start = host_start + 6;
-                char *host_value_end = strstr(host_value_start, "\r\n");
-                if (host_value_end != NULL) {
-                    int value_len = host_value_end - host_value_start;
-                    char host_value[value_len + 1];
-                    strncpy(host_value, host_value_start, value_len);
-                    host_value[value_len] = '\0';
-
-                    for (struct dns_hook_entry *entry = dns_hook_entries; entry && entry->from; entry++) {
-                        char from_value[256];
-                        wcstombs(from_value, entry->from, sizeof(from_value));
-
-                        if (strcmp(host_value, from_value) == 0) {
-                            char to_value[256];
-                            wcstombs(to_value, entry->to, sizeof(to_value));
-                            snprintf(host_start, len - (host_start - new_buf), "Host: %s\r\n", to_value);
-                            break;
-                        }
-                    }
-                }
-                len = (int)strlen(new_buf);
-            }
-        }
-        DWORD result = next_send(s, new_buf, len, flags);
-        free(new_buf);
-        return result;
-    }
-
-    return next_send(s, buf, len, flags);
-}

hooklib/dns.h

@@ -3,7 +3,7 @@
 #include <windows.h>
 
 #include <stddef.h>
-void http_hook_init();
+
 // if to_src is NULL, all lookups for from_src will fail
 HRESULT dns_hook_push(const wchar_t *from_src, const wchar_t *to_src);
 

meson.build

@@ -81,7 +81,6 @@ dinput8_lib = cc.find_library('dinput8')
 dxguid_lib = cc.find_library('dxguid')
 xinput_lib = cc.find_library('xinput')
 pathcch_lib = cc.find_library('pathcch')
-imagehlp_lib = cc.find_library('imagehlp')
 
 inc = include_directories('.')
 capnhook = subproject('capnhook')

platform/config.c

@@ -121,8 +121,6 @@ void dns_config_load(struct dns_config *cfg, const wchar_t *filename)
             cfg->title,
             _countof(cfg->title),
             filename);
-
-    cfg->replaceHost = GetPrivateProfileIntW(L"dns", L"replaceHost", 0, filename);
 }
 
 void hwmon_config_load(struct hwmon_config *cfg, const wchar_t *filename)

platform/dns.c

@@ -16,10 +16,6 @@ HRESULT dns_platform_hook_init(const struct dns_config *cfg)
         return S_FALSE;
     }
 
-    if(cfg->replaceHost){
-        http_hook_init();
-    }
-
     hr = dns_hook_push(L"tenporouter.loc", cfg->router);
 
     if (FAILED(hr)) {

platform/dns.h

@@ -12,7 +12,6 @@ struct dns_config {
     wchar_t billing[128];
     wchar_t aimedb[128];
     wchar_t title[128];
-    bool replaceHost;
 };
 
 HRESULT dns_platform_hook_init(const struct dns_config *cfg);

util/get_function_ordinal.c

@@ -1,34 +0,0 @@
-#include "get_function_ordinal.h"
-
-DWORD get_function_ordinal(const char* dllName, const char* functionName) {
-    HMODULE hModule = LoadLibraryA(dllName);
-    if (!hModule) {
-        dprintf("Failed to load DLL: %s\n", dllName);
-        return 0;
-    }
-
-    ULONG size;
-    PIMAGE_EXPORT_DIRECTORY exportDir = (PIMAGE_EXPORT_DIRECTORY)ImageDirectoryEntryToData(
-            hModule, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &size);
-    if (!exportDir) {
-        dprintf("Failed to get export table\n");
-        FreeLibrary(hModule);
-        return 0;
-    }
-
-    DWORD* functionNames = (DWORD*)((BYTE*)hModule + exportDir->AddressOfNames);
-    WORD* ordinals = (WORD*)((BYTE*)hModule + exportDir->AddressOfNameOrdinals);
-
-    for (DWORD i = 0; i < exportDir->NumberOfNames; ++i) {
-        char* name = (char*)((BYTE*)hModule + functionNames[i]);
-        if (strcmp(name, functionName) == 0) {
-            DWORD ordinal = ordinals[i] + exportDir->Base;
-            FreeLibrary(hModule);
-            return ordinal;
-        }
-    }
-
-    dprintf("Function not found: %s\n", functionName);
-    FreeLibrary(hModule);
-    return 0;
-}

util/get_function_ordinal.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <dbghelp.h>
-#include "dprintf.h"
-
-DWORD get_function_ordinal(const char* dllName, const char* functionName);

util/meson.build

@@ -5,7 +5,6 @@ util_lib = static_library(
     c_pch : '../precompiled.h',
     dependencies : [
         capnhook.get_variable('hook_dep'),
-        imagehlp_lib,
     ],
     sources : [
         'async.c',
@@ -18,8 +17,6 @@ util_lib = static_library(
         'dprintf.h',
         'dump.c',
         'dump.h',
-        'get_function_ordinal.c',
-        'get_function_ordinal.h',
         'lib.c',
         'lib.h',
         'str.c',