init commit

.gitignore

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+
+# Created by https://www.gitignore.io/api/go,linux,macos,windows,visualstudiocode
+# Edit at https://www.gitignore.io/?templates=go,linux,macos,windows,visualstudiocode
+
+### Go ###
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+### Go Patch ###
+/vendor/
+/Godeps/
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# Project Output
+main
+*.exe
+client-editor*
+
+# End of https://www.gitignore.io/api/go,linux,macos,windows,visualstudiocode
+

Makefile

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+all:
+	go run main.go
+
+test:
+	go build main.go && chmod +x main && ./main ~/Downloads/client.exe https://open.tibia.io/login.php
+
+build:
+	GOOS=windows GOARCH=386 go build -o client-editor-x86.exe main.go
+	GOOS=windows GOARCH=amd64 go build -o client-editor-x64.exe main.go
+	GOOS=linux GOARCH=386 go build -o client-editor-x86 main.go
+	GOOS=linux GOARCH=amd64 go build -o client-editor-x64 main.go

README.md

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+# client-editor
+
+### Usage
+```bash
+./client-editor.exe <tibia.exe location> <new custom login webservice>
+```
+
+### Compiled Releases (Windows/Linux)
+https://github.com/opentibiabr/client-editor/releases
+
+### How to Compile
+Requirements: golang 1.8+
+
+```bash
+$ make build
+```

main.go

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+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+const bytePadding = 20
+const propertyLoginWebService = "loginWebService="
+const tibiaLoginWebService1 = "https://www.tibia.com/services/clientservices.php"
+const tibiaLoginWebService2 = "https://secure.tibia.com/services/clientservices.php"
+const tibiaLoginWebService3 = "https://secure.tibia.com/services/login.php"
+
+func main() {
+	var currentExecutable, tibiaExe, customLoginWebService string
+	var err error
+
+	args := os.Args
+	if len(args) > 0 {
+		currentExecutable = args[0]
+		fmt.Println(currentExecutable)
+	}
+
+	if len(args) > 1 {
+		tibiaExe = args[1]
+		fmt.Println(tibiaExe)
+	}
+
+	if len(args) > 2 {
+		customLoginWebService = args[2]
+		fmt.Println(customLoginWebService)
+	}
+
+	if currentExecutable == "" || tibiaExe == "" || customLoginWebService == "" {
+		fmt.Printf("USAGE: %s <Tibia.exe Path> <Address Login Service>\n", currentExecutable)
+		os.Exit(1)
+	}
+
+	tibiaPath, tibiaBinary := readFile(tibiaExe)
+	_, tibiaRsa := readFile("tibia_rsa.key")
+	_, otservRsa := readFile("otserv_rsa.key")
+
+	tibiaExeFileName := filepath.Base(tibiaPath)
+	tibiaExeBackupPath := filepath.Join(filepath.Dir(tibiaPath), fmt.Sprintf("BKP%d-%s", time.Now().Unix(), tibiaExeFileName))
+	tibiaExeBackupFileName := filepath.Base(tibiaExeBackupPath)
+
+	fmt.Printf("[INFO] Backuping %s to %s\n", tibiaExeFileName, tibiaExeBackupFileName)
+	err = ioutil.WriteFile(tibiaExeBackupPath, tibiaBinary, 0644)
+	if err != nil {
+		fmt.Printf("[ERROR] %s\n", err.Error())
+		os.Exit(1)
+	}
+
+	fmt.Printf("[INFO] Searching for Tibia RSA... \n")
+	if bytes.ContainsAny(tibiaBinary, string(tibiaRsa)) {
+		fmt.Printf("[INFO] Tibia RSA found!\n")
+		tibiaBinary = bytes.Replace(tibiaBinary, tibiaRsa, otservRsa, 1)
+		fmt.Printf("[PATCH] Tibia RSA replaced to OTServ RSA!\n")
+	} else if bytes.ContainsAny(tibiaBinary, string(otservRsa)) {
+		fmt.Printf("[WARN] OTServ RSA already patched!\n")
+	} else {
+		fmt.Printf("[ERROR] Unable to find Tibia RSA\n")
+		os.Exit(1)
+	}
+
+	fmt.Printf("[INFO] Searching for Login WebService... \n")
+	var replaced bool
+	for _, tibiaLoginWebService := range []string{tibiaLoginWebService1, tibiaLoginWebService2, tibiaLoginWebService3} {
+		if propertyIndex := bytes.IndexAny(tibiaBinary, fmt.Sprintf("%s%s", propertyLoginWebService, tibiaLoginWebService)); propertyIndex != -1 {
+			if len(customLoginWebService) > len(tibiaLoginWebService) {
+				fmt.Printf("[ERROR] Cannot replace %s to %s, because the new loginWebService length is greater then %d.\n", tibiaLoginWebService, customLoginWebService, len(tibiaLoginWebService))
+				os.Exit(1)
+			}
+
+			tibiaBinary = bytes.Replace(tibiaBinary, append([]byte(propertyLoginWebService+tibiaLoginWebService)), append([]byte(propertyLoginWebService+customLoginWebService)), 1)
+			fmt.Printf("[INFO] Tibia Login WebService found! %s\n", tibiaLoginWebService)
+			fmt.Printf("[PATCH] Tibia Login WebService replaced to %s!\n", customLoginWebService)
+			replaced = true
+			break
+		}
+	}
+
+	if !replaced {
+		fmt.Printf("[ERROR] Unable to replace Tibia Login WebService\n")
+		os.Exit(1)
+	}
+
+	fmt.Printf("[PATCH] Exporting File!\n")
+	err = ioutil.WriteFile(tibiaPath, tibiaBinary, 0644)
+	if err != nil {
+		fmt.Printf("[ERROR] %s\n", err.Error())
+		os.Exit(1)
+	}
+}
+
+func readFile(path string) (string, []byte) {
+	fileAbs, err := filepath.Abs(path)
+	if err != nil {
+		fmt.Printf("[ERROR] %s\n", err.Error())
+		os.Exit(1)
+	}
+
+	fileName := filepath.Base(path)
+
+	if _, err := os.Stat(fileAbs); os.IsNotExist(err) {
+		fmt.Printf("[ERROR] cannot locate %s at %s\n", fileName, path)
+		os.Exit(1)
+	}
+
+	raw, err := ioutil.ReadFile(fileAbs)
+	if err != nil {
+		fmt.Printf("[ERROR] %s\n", err.Error())
+		os.Exit(1)
+	}
+
+	return fileAbs, raw
+}

otserv_rsa.key

@@ -0,0 +1 @@
+9B646903B45B07AC956568D87353BD7165139DD7940703B03E6DD079399661B4A837AA60561D7CCB9452FA0080594909882AB5BCA58A1A1B35F8B1059B72B1212611C6152AD3DBB3CFBEE7ADC142A75D3D75971509C321C5C24A5BD51FD460F01B4E15BEB0DE1930528A5D3F15C1E3CBF5C401D6777E10ACAAB33DBE8D5B7FF5

tibia_rsa.key

@@ -0,0 +1 @@
+BC27F992A96B8E2A43F4DFBE1CEF8FD51CF43D2803EE34FBBD8634D8B4FA32F7D9D9E159978DD29156D62F4153E9C5914263FC4986797E12245C1A6C4531EFE48A6F7C2EFFFFF18F2C9E1C504031F3E4A2C788EE96618FFFCEC2C3E5BFAFAF743B3FC7A872EE60A52C29AA688BDAF8692305312882F1F66EE9D8AEB7F84B1949