mirror of
https://github.com/shadow1ng/fscan.git
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8312808769
- 删除 LogBase 函数，所有调用迁移到 LogInfo/LogError - 新增 PrefixDebug ([.]) 前缀，所有日志级别现在都有前缀 - 修复日志输出缩进不一致的问题 - 删除未使用的 PrefixDefault 常量
302 lines
13 KiB
Go
302 lines
13 KiB
Go
package common
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import (
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"errors"
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/fatih/color"
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"github.com/shadow1ng/fscan/common/config"
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"github.com/shadow1ng/fscan/common/i18n"
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)
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// ErrShowHelp 表示用户请求显示帮助（正常退出）
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var ErrShowHelp = errors.New("show help requested")
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// Banner 显示程序横幅信息
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func Banner() {
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// 静默模式下完全跳过Banner显示
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if flagVars.Silent {
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return
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}
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// 定义暗绿色系
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colors := []color.Attribute{
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color.FgGreen, // 基础绿
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color.FgHiGreen, // 亮绿
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}
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lines := []string{
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" ___ _ ",
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" / _ \\ ___ ___ _ __ __ _ ___| | __ ",
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" / /_\\/____/ __|/ __| '__/ _` |/ __| |/ /",
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"/ /_\\\\_____\\__ \\ (__| | | (_| | (__| < ",
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"\\____/ |___/\\___|_| \\__,_|\\___|_|\\_\\ ",
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}
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// 获取最长行的长度
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maxLength := 0
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for _, line := range lines {
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if len(line) > maxLength {
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maxLength = len(line)
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}
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}
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// 创建边框
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topBorder := "┌" + strings.Repeat("─", maxLength+2) + "┐"
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bottomBorder := "└" + strings.Repeat("─", maxLength+2) + "┘"
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// 打印banner
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fmt.Println(topBorder)
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for lineNum, line := range lines {
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fmt.Print("│ ")
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if flagVars.NoColor {
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// 无色彩模式下使用普通文本
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fmt.Print(line)
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} else {
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// 使用对应的颜色打印每个字符
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c := color.New(colors[lineNum%2])
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_, _ = c.Print(line)
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}
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// 补齐空格
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padding := maxLength - len(line)
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fmt.Printf("%s │\n", strings.Repeat(" ", padding))
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}
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fmt.Println(bottomBorder)
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// 打印版本信息
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if flagVars.NoColor {
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// 无色彩模式下使用普通文本
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fmt.Printf(" Fscan Version: %s\n\n", version)
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} else {
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c := color.New(colors[1])
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_, _ = c.Printf(" Fscan Version: %s\n\n", version)
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}
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}
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// Flag 解析命令行参数并配置扫描选项
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// 返回ErrShowHelp表示用户请求帮助（正常退出），其他error表示参数错误
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func Flag(Info *HostInfo) error {
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// 预处理语言设置 - 在定义flag之前检查lang参数
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preProcessLanguage()
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fv := flagVars // 使用全局 FlagVars 实例
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// ═════════════════════════════════════════════════
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// 目标配置参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&Info.Host, "h", "", i18n.GetText("flag_host"))
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flag.StringVar(&fv.ExcludeHosts, "eh", "", i18n.GetText("flag_exclude_hosts"))
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flag.StringVar(&fv.ExcludeHostsFile, "ehf", "", i18n.GetText("flag_exclude_hosts_file"))
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flag.StringVar(&fv.Ports, "p", config.MainPorts, i18n.GetText("flag_ports"))
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flag.StringVar(&fv.ExcludePorts, "ep", "", i18n.GetText("flag_exclude_ports"))
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flag.StringVar(&fv.HostsFile, "hf", "", i18n.GetText("flag_hosts_file"))
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flag.StringVar(&fv.PortsFile, "pf", "", i18n.GetText("flag_ports_file"))
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// ═════════════════════════════════════════════════
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// 扫描控制参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.ScanMode, "m", "all", i18n.GetText("flag_scan_mode"))
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flag.IntVar(&fv.ThreadNum, "t", 600, i18n.GetText("flag_thread_num"))
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flag.Int64Var(&fv.TimeoutSec, "time", 3, i18n.GetText("flag_timeout"))
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flag.IntVar(&fv.ModuleThreadNum, "mt", 20, i18n.GetText("flag_module_thread_num"))
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flag.Int64Var(&fv.GlobalTimeout, "gt", 180, i18n.GetText("flag_global_timeout"))
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flag.BoolVar(&fv.DisablePing, "np", false, i18n.GetText("flag_disable_ping"))
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flag.StringVar(&fv.LocalPlugin, "local", "", "指定本地插件名称 (如: cleaner, avdetect, keylogger 等)")
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flag.BoolVar(&fv.AliveOnly, "ao", false, i18n.GetText("flag_alive_only"))
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// ═════════════════════════════════════════════════
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// 认证与凭据参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.Username, "user", "", i18n.GetText("flag_username"))
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flag.StringVar(&fv.Password, "pwd", "", i18n.GetText("flag_password"))
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flag.StringVar(&fv.AddUsers, "usera", "", i18n.GetText("flag_add_users"))
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flag.StringVar(&fv.AddPasswords, "pwda", "", i18n.GetText("flag_add_passwords"))
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flag.StringVar(&fv.UsersFile, "userf", "", i18n.GetText("flag_users_file"))
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flag.StringVar(&fv.PasswordsFile, "pwdf", "", i18n.GetText("flag_passwords_file"))
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flag.StringVar(&fv.UserPassFile, "upf", "", i18n.GetText("flag_userpass_file"))
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flag.StringVar(&fv.HashFile, "hashf", "", i18n.GetText("flag_hash_file"))
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flag.StringVar(&fv.HashValue, "hash", "", i18n.GetText("flag_hash_value"))
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flag.StringVar(&fv.Domain, "domain", "", i18n.GetText("flag_domain"))
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flag.StringVar(&fv.SSHKeyPath, "sshkey", "", i18n.GetText("flag_ssh_key"))
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// ═════════════════════════════════════════════════
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// Web扫描参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.TargetURL, "u", "", i18n.GetText("flag_target_url"))
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flag.StringVar(&fv.URLsFile, "uf", "", i18n.GetText("flag_urls_file"))
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flag.StringVar(&fv.Cookie, "cookie", "", i18n.GetText("flag_cookie"))
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flag.Int64Var(&fv.WebTimeout, "wt", 5, i18n.GetText("flag_web_timeout"))
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flag.IntVar(&fv.MaxRedirects, "max-redirect", 10, i18n.GetText("flag_max_redirects"))
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flag.StringVar(&fv.HTTPProxy, "proxy", "", i18n.GetText("flag_http_proxy"))
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flag.StringVar(&fv.Socks5Proxy, "socks5", "", i18n.GetText("flag_socks5_proxy"))
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flag.StringVar(&fv.Iface, "iface", "", i18n.GetText("flag_iface"))
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// ═════════════════════════════════════════════════
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// POC测试参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.PocPath, "pocpath", "", i18n.GetText("flag_poc_path"))
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flag.StringVar(&fv.PocName, "pocname", "", i18n.GetText("flag_poc_name"))
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flag.BoolVar(&fv.PocFull, "full", false, i18n.GetText("flag_poc_full"))
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flag.BoolVar(&fv.DNSLog, "dns", false, i18n.GetText("flag_dns_log"))
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flag.IntVar(&fv.PocNum, "num", 20, i18n.GetText("flag_poc_num"))
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flag.BoolVar(&fv.DisablePocScan, "nopoc", false, i18n.GetText("flag_no_poc"))
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// ═════════════════════════════════════════════════
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// Redis利用参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.RedisFile, "rf", "", i18n.GetText("flag_redis_file"))
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flag.StringVar(&fv.RedisShell, "rs", "", i18n.GetText("flag_redis_shell"))
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flag.StringVar(&fv.RedisWritePath, "rwp", "", i18n.GetText("flag_redis_write_path"))
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flag.StringVar(&fv.RedisWriteContent, "rwc", "", i18n.GetText("flag_redis_write_content"))
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flag.StringVar(&fv.RedisWriteFile, "rwf", "", i18n.GetText("flag_redis_write_file"))
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flag.BoolVar(&fv.DisableRedis, "noredis", false, i18n.GetText("flag_disable_redis"))
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// ═════════════════════════════════════════════════
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// 暴力破解控制参数
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// ═════════════════════════════════════════════════
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flag.BoolVar(&fv.DisableBrute, "nobr", false, i18n.GetText("flag_disable_brute"))
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flag.IntVar(&fv.MaxRetries, "retry", 3, i18n.GetText("flag_max_retries"))
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// ═════════════════════════════════════════════════
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// 发包频率控制参数
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// ═════════════════════════════════════════════════
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flag.Int64Var(&fv.PacketRateLimit, "rate", 0, i18n.GetText("flag_packet_rate_limit"))
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flag.Int64Var(&fv.MaxPacketCount, "maxpkts", 0, i18n.GetText("flag_max_packet_count"))
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flag.Float64Var(&fv.ICMPRate, "icmp-rate", 0.1, i18n.GetText("flag_icmp_rate"))
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// ═════════════════════════════════════════════════
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// 输出与显示控制参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.Outputfile, "o", "result.txt", i18n.GetText("flag_output_file"))
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flag.StringVar(&fv.OutputFormat, "f", "txt", i18n.GetText("flag_output_format"))
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flag.BoolVar(&fv.DisableSave, "no", false, i18n.GetText("flag_disable_save"))
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flag.BoolVar(&fv.Silent, "silent", false, i18n.GetText("flag_silent_mode"))
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flag.BoolVar(&fv.NoColor, "nocolor", false, i18n.GetText("flag_no_color"))
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flag.StringVar(&fv.LogLevel, "log", LogLevelBaseInfoSuccess, i18n.GetText("flag_log_level"))
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flag.BoolVar(&fv.DisableProgress, "nopg", false, i18n.GetText("flag_disable_progress"))
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flag.BoolVar(&fv.PerfStats, "perf", false, "输出性能统计JSON")
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// ═════════════════════════════════════════════════
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// 其他参数
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// ═════════════════════════════════════════════════
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flag.StringVar(&fv.Shellcode, "sc", "", i18n.GetText("flag_shellcode"))
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flag.StringVar(&fv.ReverseShellTarget, "rsh", "", i18n.GetText("flag_reverse_shell_target"))
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flag.IntVar(&fv.Socks5ProxyPort, "start-socks5", 0, i18n.GetText("flag_start_socks5_server"))
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flag.IntVar(&fv.ForwardShellPort, "fsh-port", 4444, i18n.GetText("flag_forward_shell_port"))
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flag.StringVar(&fv.PersistenceTargetFile, "persistence-file", "", i18n.GetText("flag_persistence_file"))
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flag.StringVar(&fv.WinPEFile, "win-pe", "", i18n.GetText("flag_win_pe_file"))
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flag.StringVar(&fv.KeyloggerOutputFile, "keylog-output", "keylog.txt", i18n.GetText("flag_keylogger_output"))
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// 文件下载插件参数
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flag.StringVar(&fv.DownloadURL, "download-url", "", i18n.GetText("flag_download_url"))
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flag.StringVar(&fv.DownloadSavePath, "download-path", "", i18n.GetText("flag_download_path"))
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flag.StringVar(&fv.Language, "lang", "zh", i18n.GetText("flag_language"))
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// 帮助参数
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flag.BoolVar(&fv.ShowHelp, "help", false, i18n.GetText("flag_help"))
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// 解析命令行参数
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if err := parseCommandLineArgs(); err != nil {
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return err
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}
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// 设置语言
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i18n.SetLanguage(fv.Language)
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// 如果显示帮助或者没有提供目标，显示帮助信息并退出
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if fv.ShowHelp || shouldShowHelp(Info, fv) {
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flag.Usage()
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return ErrShowHelp
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}
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return nil
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}
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// parseCommandLineArgs 解析命令行参数
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func parseCommandLineArgs() error {
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flag.Parse()
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// 显示Banner
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Banner()
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// 检查参数冲突
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return checkParameterConflicts()
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}
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// preProcessLanguage 预处理语言参数，在定义flag之前设置语言
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func preProcessLanguage() {
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// 遍历命令行参数查找-lang参数
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for i, arg := range os.Args {
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if arg == "-lang" && i+1 < len(os.Args) {
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lang := os.Args[i+1]
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if lang == "en" || lang == "zh" {
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flagVars.Language = lang
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i18n.SetLanguage(lang)
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return
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}
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} else if strings.HasPrefix(arg, "-lang=") {
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lang := strings.TrimPrefix(arg, "-lang=")
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if lang == "en" || lang == "zh" {
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flagVars.Language = lang
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i18n.SetLanguage(lang)
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return
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}
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}
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}
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// 检查环境变量
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envLang := os.Getenv("FS_LANG")
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if envLang == "en" || envLang == "zh" {
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flagVars.Language = envLang
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i18n.SetLanguage(envLang)
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}
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}
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// shouldShowHelp 检查是否应该显示帮助信息
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func shouldShowHelp(Info *HostInfo, fv *FlagVars) bool {
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// Web模式不需要目标参数
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if WebMode {
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return false
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}
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// 检查是否提供了扫描目标
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hasTarget := Info.Host != "" || fv.TargetURL != "" || fv.HostsFile != "" || fv.URLsFile != ""
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// 本地模式需要指定插件才算有效目标
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if fv.LocalPlugin != "" {
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hasTarget = true
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}
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// 如果没有提供任何扫描目标，则显示帮助
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return !hasTarget
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}
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// checkParameterConflicts 检查参数冲突和兼容性
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// 返回error而不是调用os.Exit，让调用者决定如何处理
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func checkParameterConflicts() error {
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fv := flagVars
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// 检查 -ao 和 -m icmp 同时指定的情况（向后兼容提示）
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if fv.AliveOnly && fv.ScanMode == "icmp" {
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LogInfo(i18n.GetText("param_conflict_ao_icmp_both"))
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}
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// 检查本地插件参数
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if fv.LocalPlugin != "" {
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// 检查是否包含分隔符（确保只能指定单个插件）
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invalidChars := []string{",", ";", " ", "|", "&"}
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for _, char := range invalidChars {
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if strings.Contains(fv.LocalPlugin, char) {
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return fmt.Errorf("本地插件只能指定单个插件，不支持使用 '%s' 分隔的多个插件", char)
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}
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}
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}
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return nil
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}
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