commit 016c44618b06811a784b14597b1627e060ec1ca0 Author: zhilv Date: Wed Dec 3 23:29:51 2025 +0800 feat: 项目初始化 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..4917994 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +bin +config.* +.idea \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..e69de29 diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..297b727 --- /dev/null +++ b/Makefile @@ -0,0 +1,23 @@ +APP_NAME = netctl +SRC = . +OUTPUT = ./bin/$(APP_NAME).exe +GO = go + +# 获取 Git commit +GIT_COMMIT := $(shell git rev-parse --short HEAD 2>/dev/null || echo none) +# 获取当前时间 UTC +BUILD_TIME := $(shell date -u +%Y-%m-%dT%H:%M:%SZ) + +.PHONY: build run clean + +# 编译命令 +build: + $(GO) build -ldflags "-X 'netcli/cmd.Version=1.0.0' -X 'netcli/cmd.Commit=$(GIT_COMMIT)' -X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" -o $(OUTPUT) $(SRC) + +# 直接运行 +run: + $(GO) run -ldflags "-X 'netcli/cmd.Version=1.0.0' -X 'netcli/cmd.Commit=$(GIT_COMMIT)' -X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" $(SRC) + +# 清理编译文件 +clean: + rm -f $(OUTPUT) diff --git a/cmd/dhcp.go b/cmd/dhcp.go new file mode 100644 index 0000000..ec89e15 --- /dev/null +++ b/cmd/dhcp.go @@ -0,0 +1,53 @@ +package cmd + +import ( + "fmt" + stdnet "net" + + "netcli/internal/constants" + "netcli/internal/net" + + "github.com/spf13/cobra" +) + +// dhcpCmd represents the dhcp command +var dhcpCmd = &cobra.Command{ + Use: "dhcp", + Short: "将指定网卡改为 DHCP 自动获取 IP", + RunE: func(cmd *cobra.Command, args []string) error { + // 检查管理员权限 + if !net.IsAdmin() { + fmt.Println("程序需要管理员权限，尝试提升...") + return net.RunAsAdmin() + } + + // 获取所有网卡 + ifaces, err := stdnet.Interfaces() + if err != nil { + return fmt.Errorf("获取网卡失败: %w", err) + } + + var nics []net.NetIfWrap + for _, i := range ifaces { + nics = append(nics, net.NetIfWrap{i}) + } + + // 用户选择网卡 + nic, err := net.ChooseNic(nics, constants.DefaultDHCPMsg) + if err != nil { + return err + } + + // 执行 netsh 命令设置 DHCP + if err := net.SetDHCP(nic); err != nil { + return err + } + + fmt.Printf("网卡 %s 已设置为 DHCP 自动获取 IP\n", nic.Name) + return nil + }, +} + +func init() { + rootCmd.AddCommand(dhcpCmd) +} diff --git a/cmd/root.go b/cmd/root.go new file mode 100644 index 0000000..63236ed --- /dev/null +++ b/cmd/root.go @@ -0,0 +1,46 @@ +package cmd + +import ( + "fmt" + "os" + "os/exec" + + netmod "netcli/internal/net" + + "github.com/spf13/cobra" +) + +// rootCmd represents the base command when called without any subcommands +var rootCmd = &cobra.Command{ + Use: "netctl", + Short: "网络切换工具", + Long: "netctl 是一个用于切换网卡静态IP/DHCP的 CLI 工具", +} + +// Execute adds all child commands to the root command and sets flags appropriately. +// This is called by main.main(). +func Execute() { + if err := rootCmd.Execute(); err != nil { + os.Exit(1) + } +} + +// 通用命令运行函数 +func run(args ...string) { + cmd := exec.Command(args[0], args[1:]...) + out, err := cmd.CombinedOutput() + fmt.Println(string(out)) + if err != nil { + panic(err) + } +} + +// 判断当前程序是否管理员 +func IsAdmin() bool { + return netmod.IsAdmin() +} + +// 提升管理员权限 +func RunAsAdmin() error { + return netmod.RunAsAdmin() +} diff --git a/cmd/static.go b/cmd/static.go new file mode 100644 index 0000000..adf6fb3 --- /dev/null +++ b/cmd/static.go @@ -0,0 +1,70 @@ +package cmd + +import ( + "fmt" + stdnet "net" + + "netcli/config" + "netcli/internal/constants" + "netcli/internal/model" + netmod "netcli/internal/net" + + "github.com/AlecAivazis/survey/v2" + "github.com/spf13/cobra" +) + +var staticCmd = &cobra.Command{ + Use: "static", + Short: "设置静态IP", + RunE: func(cmd *cobra.Command, args []string) error { + // 管理员权限检查 + if !netmod.IsAdmin() { + fmt.Println("程序需要管理员权限，尝试提升...") + return netmod.RunAsAdmin() + } + + // 获取本机网卡 + ifaces, _ := stdnet.Interfaces() + var nics []netmod.NetIfWrap + for _, i := range ifaces { + nics = append(nics, netmod.NetIfWrap{i}) + } + + nic, _ := netmod.ChooseNic(nics, constants.DefaultStaticMsg) + + // 加载配置文件 + cfg, _ := config.LoadConfig(constants.DefaultConfig) + var rooms []model.ClassRoom + if cfg != nil && len(cfg.ClassRooms) > 0 { + rooms = cfg.ClassRooms + } else { + rooms = config.DefaultClassRooms() + } + + // 用户选择教室 + var roomNames []string + for _, r := range rooms { + roomNames = append(roomNames, r.Name) + } + + var choice string + survey.AskOne(&survey.Select{Message: "请选择教室:", Options: roomNames}, &choice) + + var room model.ClassRoom + for _, r := range rooms { + if r.Name == choice { + room = r + break + } + } + + fmt.Printf("正在设置静态IP...\n网卡: %s\nIP: %s\nMask: %s\nGateway: %s\n", + nic.Name, room.Addr, room.Mask, room.Gateway) + + return netmod.SetStaticIP(nic, room.Addr, room.Mask, room.Gateway) + }, +} + +func init() { + rootCmd.AddCommand(staticCmd) +} diff --git a/cmd/version.go b/cmd/version.go new file mode 100644 index 0000000..9db2ac1 --- /dev/null +++ b/cmd/version.go @@ -0,0 +1,28 @@ +package cmd + +import ( + "fmt" + "github.com/spf13/cobra" +) + +// 编译时注入变量 +var ( + Version = "dev" // 默认版本 + Commit = "none" + BuildTime = "unknown" +) + +var versionCmd = &cobra.Command{ + Use: "version", + Short: "显示软件版本信息", + Run: func(cmd *cobra.Command, args []string) { + fmt.Println("netctl - 网络切换工具") + fmt.Printf("Version: %s\n", Version) + fmt.Printf("Commit: %s\n", Commit) + fmt.Printf("BuildTime: %s\n", BuildTime) + }, +} + +func init() { + rootCmd.AddCommand(versionCmd) +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..d7c6b3f --- /dev/null +++ b/go.mod @@ -0,0 +1,27 @@ +module netcli + +go 1.24 + +require ( + github.com/AlecAivazis/survey/v2 v2.3.7 // indirect + github.com/fsnotify/fsnotify v1.9.0 // indirect + github.com/go-viper/mapstructure/v2 v2.4.0 // indirect + github.com/inconshreveable/mousetrap v1.1.0 // indirect + github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect + github.com/mattn/go-colorable v0.1.2 // indirect + github.com/mattn/go-isatty v0.0.8 // indirect + github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect + github.com/pelletier/go-toml/v2 v2.2.4 // indirect + github.com/sagikazarmark/locafero v0.11.0 // indirect + github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect + github.com/spf13/afero v1.15.0 // indirect + github.com/spf13/cast v1.10.0 // indirect + github.com/spf13/cobra v1.10.1 // indirect + github.com/spf13/pflag v1.0.10 // indirect + github.com/spf13/viper v1.21.0 // indirect + github.com/subosito/gotenv v1.6.0 // indirect + go.yaml.in/yaml/v3 v3.0.4 // indirect + golang.org/x/sys v0.29.0 // indirect + golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect + golang.org/x/text v0.28.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..6b17ef6 --- /dev/null +++ b/go.sum @@ -0,0 +1,83 @@ +github.com/AlecAivazis/survey/v2 v2.3.7 h1:6I/u8FvytdGsgonrYsVn2t8t4QiRnh6QSTqkkhIiSjQ= +github.com/AlecAivazis/survey/v2 v2.3.7/go.mod h1:xUTIdE4KCOIjsBAE1JYsUPoCqYdZ1reCfTwbto0Fduo= +github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w= +github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g= +github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k= +github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0= +github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs= +github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM= +github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec/go.mod 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b/internal/constants/constants.go new file mode 100644 index 0000000..757396d --- /dev/null +++ b/internal/constants/constants.go @@ -0,0 +1,8 @@ +package constants + +const ( + AppName = "netctl" + DefaultConfig = "config.yaml" + DefaultDHCPMsg = "请选择网卡以使用 DHCP" + DefaultStaticMsg = "请选择网卡以设置静态 IP" +) diff --git a/internal/model/classroom.go b/internal/model/classroom.go new file mode 100644 index 0000000..17df4f2 --- /dev/null +++ b/internal/model/classroom.go @@ -0,0 +1,13 @@ +package model + +type ClassRoom struct { + ID string + Name string + Addr string + Mask string + Gateway string +} + +func (c ClassRoom) GetName() string { + return c.Name +} diff --git a/internal/model/named.go b/internal/model/named.go new file mode 100644 index 0000000..81026fa --- /dev/null +++ b/internal/model/named.go @@ -0,0 +1,5 @@ +package model + +type Named interface { + GetName() string +} diff --git a/internal/net/nic.go b/internal/net/nic.go new file mode 100644 index 0000000..947e294 --- /dev/null +++ b/internal/net/nic.go @@ -0,0 +1,96 @@ +package net + +import ( + "fmt" + "net" + "os" + "os/exec" + + "github.com/AlecAivazis/survey/v2" + "golang.org/x/sys/windows" +) + +type NetIfWrap struct { + net.Interface +} + +func (n NetIfWrap) GetName() string { + return n.Interface.Name +} + +// 选择网卡 +func ChooseNic(nics []NetIfWrap, message string) (NetIfWrap, error) { + var names []string + for _, nic := range nics { + names = append(names, nic.Name) + } + var choice string + err := survey.AskOne(&survey.Select{ + Message: message, + Options: names, + }, &choice) + if err != nil { + return NetIfWrap{}, err + } + for _, nic := range nics { + if nic.Name == choice { + return nic, nil + } + } + return NetIfWrap{}, fmt.Errorf("未找到网卡: %s", choice) +} + +// 设置静态IP +func SetStaticIP(nic NetIfWrap, addr, mask, gateway string) error { + cmd := exec.Command("netsh", "interface", "ip", "set", "address", + fmt.Sprintf("name=%s", nic.Name), + "static", addr, mask, gateway) + out, err := cmd.CombinedOutput() + if err != nil { + return fmt.Errorf("netsh失败: %v, 输出: %s", err, string(out)) + } + return nil +} + +// 设置 DHCP +func SetDHCP(nic NetIfWrap) error { + cmd := exec.Command("netsh", "interface", "ip", "set", "address", + fmt.Sprintf("name=%s", nic.Name), "dhcp") + out, err := cmd.CombinedOutput() + if err != nil { + return fmt.Errorf("netsh失败: %v, 输出: %s", err, string(out)) + } + return nil +} + +// Windows 管理员检查 +func IsAdmin() bool { + sid, _ := windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid) + token := windows.Token(0) + member, _ := token.IsMember(sid) + return member +} + +// 提升管理员权限 +func RunAsAdmin() error { + exe, _ := exec.LookPath(os.Args[0]) + args := os.Args[1:] + cmd := exec.Command("powershell", + "-Command", + fmt.Sprintf(`Start-Process -FilePath "%s" -ArgumentList %s -Verb RunAs`, exe, joinArgsArray(args)), + ) + cmd.Stdout = nil + cmd.Stderr = nil + return cmd.Run() +} + +func joinArgsArray(args []string) string { + res := "" + for i, a := range args { + if i > 0 { + res += "," + } + res += fmt.Sprintf("'%s'", a) + } + return res +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..140600d --- /dev/null +++ b/main.go @@ -0,0 +1,11 @@ +/* +Copyright © 2025 NAME HERE + +*/ +package main + +import "netcli/cmd" + +func main() { + cmd.Execute() +}