500 lines
12 KiB
Go
500 lines
12 KiB
Go
//go:build !windows
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// +build !windows
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/*
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Copyright 2022 AmidaWare LLC.
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Licensed under the Tactical RMM License Version 1.0 (the “License”).
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You may only use the Licensed Software in accordance with the License.
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A copy of the License is available at:
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https://license.tacticalrmm.com
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*/
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package agent
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import (
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"bufio"
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"fmt"
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"os"
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"runtime"
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"strconv"
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"strings"
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"syscall"
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"time"
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rmm "github.com/amidaware/rmmagent/shared"
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ps "github.com/elastic/go-sysinfo"
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"github.com/go-resty/resty/v2"
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"github.com/jaypipes/ghw"
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"github.com/kardianos/service"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/disk"
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psHost "github.com/shirou/gopsutil/v3/host"
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"github.com/spf13/viper"
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trmm "github.com/wh1te909/trmm-shared"
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)
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func ShowStatus(version string) {
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fmt.Println(version)
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}
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func (a *Agent) GetDisks() []trmm.Disk {
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ret := make([]trmm.Disk, 0)
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partitions, err := disk.Partitions(false)
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if err != nil {
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a.Logger.Debugln(err)
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return ret
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}
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for _, p := range partitions {
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if strings.Contains(p.Device, "dev/loop") {
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continue
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}
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usage, err := disk.Usage(p.Mountpoint)
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if err != nil {
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a.Logger.Debugln(err)
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continue
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}
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d := trmm.Disk{
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Device: p.Device,
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Fstype: p.Fstype,
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Total: ByteCountSI(usage.Total),
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Used: ByteCountSI(usage.Used),
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Free: ByteCountSI(usage.Free),
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Percent: int(usage.UsedPercent),
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}
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ret = append(ret, d)
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}
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return ret
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}
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func (a *Agent) SystemRebootRequired() (bool, error) {
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// deb
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paths := [2]string{"/var/run/reboot-required", "/run/reboot-required"}
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for _, p := range paths {
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if trmm.FileExists(p) {
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return true, nil
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}
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}
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// rhel
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bins := [2]string{"/usr/bin/needs-restarting", "/bin/needs-restarting"}
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for _, bin := range bins {
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if trmm.FileExists(bin) {
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opts := a.NewCMDOpts()
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// https://man7.org/linux/man-pages/man1/needs-restarting.1.html
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// -r Only report whether a full reboot is required (exit code 1) or not (exit code 0).
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opts.Command = fmt.Sprintf("%s -r", bin)
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out := a.CmdV2(opts)
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if out.Status.Error != nil {
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a.Logger.Debugln("SystemRebootRequired(): ", out.Status.Error.Error())
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continue
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}
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if out.Status.Exit == 1 {
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return true, nil
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}
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return false, nil
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}
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}
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return false, nil
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}
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func (a *Agent) LoggedOnUser() string {
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var ret string
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users, err := psHost.Users()
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if err != nil {
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return ret
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}
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// return the first logged in user
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for _, user := range users {
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if user.User != "" {
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ret = user.User
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break
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}
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}
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return ret
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}
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func (a *Agent) osString() string {
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h, err := psHost.Info()
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if err != nil {
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return "error getting host info"
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}
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return fmt.Sprintf("%s %s %s %s", strings.Title(h.Platform), h.PlatformVersion, h.KernelArch, h.KernelVersion)
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}
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func NewAgentConfig() *rmm.AgentConfig {
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viper.SetConfigName("tacticalagent")
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viper.SetConfigType("json")
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viper.AddConfigPath("/etc/")
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viper.AddConfigPath(".")
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err := viper.ReadInConfig()
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if err != nil {
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return &rmm.AgentConfig{}
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}
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agentpk := viper.GetString("agentpk")
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pk, _ := strconv.Atoi(agentpk)
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ret := &rmm.AgentConfig{
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BaseURL: viper.GetString("baseurl"),
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AgentID: viper.GetString("agentid"),
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APIURL: viper.GetString("apiurl"),
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Token: viper.GetString("token"),
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AgentPK: agentpk,
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PK: pk,
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Cert: viper.GetString("cert"),
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Proxy: viper.GetString("proxy"),
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CustomMeshDir: viper.GetString("meshdir"),
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}
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return ret
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}
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func (a *Agent) RunScript(code string, shell string, args []string, timeout int) (stdout, stderr string, exitcode int, e error) {
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code = removeWinNewLines(code)
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content := []byte(code)
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f, err := createTmpFile()
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if err != nil {
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a.Logger.Errorln("RunScript createTmpFile()", err)
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return "", err.Error(), 85, err
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}
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defer os.Remove(f.Name())
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if _, err := f.Write(content); err != nil {
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a.Logger.Errorln(err)
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return "", err.Error(), 85, err
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}
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if err := f.Close(); err != nil {
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a.Logger.Errorln(err)
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return "", err.Error(), 85, err
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}
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if err := os.Chmod(f.Name(), 0770); err != nil {
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a.Logger.Errorln(err)
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return "", err.Error(), 85, err
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}
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opts := a.NewCMDOpts()
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opts.IsScript = true
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opts.Shell = f.Name()
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opts.Args = args
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opts.Timeout = time.Duration(timeout)
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out := a.CmdV2(opts)
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retError := ""
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if out.Status.Error != nil {
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retError += CleanString(out.Status.Error.Error())
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retError += "\n"
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}
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if len(out.Stderr) > 0 {
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retError += out.Stderr
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}
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return out.Stdout, retError, out.Status.Exit, nil
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}
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func SetDetached() *syscall.SysProcAttr {
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return &syscall.SysProcAttr{Setpgid: true}
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}
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func (a *Agent) AgentUpdate(url, inno, version string) {
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self, err := os.Executable()
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if err != nil {
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a.Logger.Errorln("AgentUpdate() os.Executable():", err)
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return
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}
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f, err := createTmpFile()
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if err != nil {
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a.Logger.Errorln("AgentUpdate createTmpFile()", err)
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return
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}
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defer os.Remove(f.Name())
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a.Logger.Infof("Agent updating from %s to %s", a.Version, version)
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a.Logger.Infoln("Downloading agent update from", url)
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rClient := resty.New()
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rClient.SetCloseConnection(true)
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rClient.SetTimeout(15 * time.Minute)
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rClient.SetDebug(a.Debug)
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if len(a.Proxy) > 0 {
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rClient.SetProxy(a.Proxy)
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}
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r, err := rClient.R().SetOutput(f.Name()).Get(url)
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if err != nil {
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a.Logger.Errorln("AgentUpdate() download:", err)
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f.Close()
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return
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}
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if r.IsError() {
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a.Logger.Errorln("AgentUpdate() status code:", r.StatusCode())
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f.Close()
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return
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}
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f.Close()
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os.Chmod(f.Name(), 0755)
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err = os.Rename(f.Name(), self)
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if err != nil {
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a.Logger.Errorln("AgentUpdate() os.Rename():", err)
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return
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}
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opts := a.NewCMDOpts()
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opts.Detached = true
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opts.Command = "systemctl restart tacticalagent.service"
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a.CmdV2(opts)
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}
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func (a *Agent) AgentUninstall(code string) {
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f, err := createTmpFile()
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if err != nil {
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a.Logger.Errorln("AgentUninstall createTmpFile():", err)
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return
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}
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f.Write([]byte(code))
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f.Close()
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os.Chmod(f.Name(), 0770)
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opts := a.NewCMDOpts()
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opts.IsScript = true
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opts.Shell = f.Name()
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opts.Args = []string{"uninstall"}
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opts.Detached = true
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a.CmdV2(opts)
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}
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func (a *Agent) NixMeshNodeID() string {
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var meshNodeID string
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meshSuccess := false
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a.Logger.Debugln("Getting mesh node id")
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if !trmm.FileExists(a.MeshSystemEXE) {
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a.Logger.Debugln(a.MeshSystemEXE, "does not exist. Skipping.")
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return ""
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}
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opts := a.NewCMDOpts()
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opts.IsExecutable = true
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opts.Shell = a.MeshSystemEXE
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opts.Command = "-nodeid"
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for !meshSuccess {
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out := a.CmdV2(opts)
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meshNodeID = out.Stdout
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a.Logger.Debugln("Stdout:", out.Stdout)
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a.Logger.Debugln("Stderr:", out.Stderr)
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if meshNodeID == "" {
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time.Sleep(1 * time.Second)
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continue
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} else if strings.Contains(strings.ToLower(meshNodeID), "graphical version") || strings.Contains(strings.ToLower(meshNodeID), "zenity") {
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time.Sleep(1 * time.Second)
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continue
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}
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meshSuccess = true
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}
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return meshNodeID
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}
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func (a *Agent) getMeshNodeID() (string, error) {
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return a.NixMeshNodeID(), nil
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}
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func (a *Agent) RecoverMesh() {
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a.Logger.Infoln("Attempting mesh recovery")
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opts := a.NewCMDOpts()
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opts.Command = "systemctl restart meshagent.service"
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a.CmdV2(opts)
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a.SyncMeshNodeID()
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}
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func (a *Agent) GetWMIInfo() map[string]interface{} {
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wmiInfo := make(map[string]interface{})
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ips := make([]string, 0)
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disks := make([]string, 0)
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cpus := make([]string, 0)
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gpus := make([]string, 0)
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// local ips
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host, err := ps.Host()
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if err != nil {
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a.Logger.Errorln("GetWMIInfo() ps.Host()", err)
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} else {
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for _, ip := range host.Info().IPs {
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if strings.Contains(ip, "127.0.") || strings.Contains(ip, "::1/128") {
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continue
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}
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ips = append(ips, ip)
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}
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}
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wmiInfo["local_ips"] = ips
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// disks
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block, err := ghw.Block(ghw.WithDisableWarnings())
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if err != nil {
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a.Logger.Errorln("ghw.Block()", err)
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} else {
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for _, disk := range block.Disks {
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if disk.IsRemovable || strings.Contains(disk.Name, "ram") {
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continue
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}
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ret := fmt.Sprintf("%s %s %s %s %s %s", disk.Vendor, disk.Model, disk.StorageController, disk.DriveType, disk.Name, ByteCountSI(disk.SizeBytes))
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ret = strings.TrimSpace(strings.ReplaceAll(ret, "unknown", ""))
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disks = append(disks, ret)
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}
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}
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wmiInfo["disks"] = disks
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// cpus
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cpuInfo, err := cpu.Info()
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if err != nil {
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a.Logger.Errorln("cpu.Info()", err)
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} else {
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if len(cpuInfo) > 0 {
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if cpuInfo[0].ModelName != "" {
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cpus = append(cpus, cpuInfo[0].ModelName)
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}
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}
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}
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wmiInfo["cpus"] = cpus
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// make/model
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wmiInfo["make_model"] = ""
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chassis, err := ghw.Chassis(ghw.WithDisableWarnings())
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if err != nil {
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a.Logger.Errorln("ghw.Chassis()", err)
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} else {
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if chassis.Vendor != "" || chassis.Version != "" {
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wmiInfo["make_model"] = fmt.Sprintf("%s %s", chassis.Vendor, chassis.Version)
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}
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}
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// gfx cards
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gpu, err := ghw.GPU(ghw.WithDisableWarnings())
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if err != nil {
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a.Logger.Errorln("ghw.GPU()", err)
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} else {
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for _, i := range gpu.GraphicsCards {
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if i.DeviceInfo != nil {
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ret := fmt.Sprintf("%s %s", i.DeviceInfo.Vendor.Name, i.DeviceInfo.Product.Name)
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gpus = append(gpus, ret)
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}
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}
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}
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wmiInfo["gpus"] = gpus
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// temp hack for ARM cpu/make/model if rasp pi
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var makeModel string
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if strings.Contains(runtime.GOARCH, "arm") {
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file, _ := os.Open("/proc/cpuinfo")
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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if strings.Contains(strings.ToLower(scanner.Text()), "raspberry") {
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model := strings.Split(scanner.Text(), ":")
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if len(model) == 2 {
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makeModel = strings.TrimSpace(model[1])
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break
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}
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}
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}
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}
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if len(cpus) == 0 {
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wmiInfo["cpus"] = []string{makeModel}
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}
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if makeModel != "" && (wmiInfo["make_model"] == "" || wmiInfo["make_model"] == "unknown unknown") {
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wmiInfo["make_model"] = makeModel
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}
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if len(gpus) == 1 && gpus[0] == "unknown unknown" {
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wmiInfo["gpus"] = ""
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}
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return wmiInfo
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}
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// windows only below TODO add into stub file
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func (a *Agent) PlatVer() (string, error) { return "", nil }
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func (a *Agent) SendSoftware() {}
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func (a *Agent) UninstallCleanup() {}
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func (a *Agent) RunMigrations() {}
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func GetServiceStatus(name string) (string, error) { return "", nil }
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func (a *Agent) GetPython(force bool) {}
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type SchedTask struct{ Name string }
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func (a *Agent) PatchMgmnt(enable bool) error { return nil }
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func (a *Agent) CreateSchedTask(st SchedTask) (bool, error) { return false, nil }
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func DeleteSchedTask(name string) error { return nil }
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func ListSchedTasks() []string { return []string{} }
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func (a *Agent) GetEventLog(logName string, searchLastDays int) []rmm.EventLogMsg {
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return []rmm.EventLogMsg{}
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}
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func (a *Agent) GetServiceDetail(name string) trmm.WindowsService { return trmm.WindowsService{} }
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func (a *Agent) ControlService(name, action string) rmm.WinSvcResp {
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return rmm.WinSvcResp{Success: false, ErrorMsg: "/na"}
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}
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func (a *Agent) EditService(name, startupType string) rmm.WinSvcResp {
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return rmm.WinSvcResp{Success: false, ErrorMsg: "/na"}
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}
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func (a *Agent) GetInstalledSoftware() []trmm.WinSoftwareList { return []trmm.WinSoftwareList{} }
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func (a *Agent) ChecksRunning() bool { return false }
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func (a *Agent) RunTask(id int) error { return nil }
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func (a *Agent) InstallChoco() {}
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func (a *Agent) InstallWithChoco(name string) (string, error) { return "", nil }
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func (a *Agent) GetWinUpdates() {}
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func (a *Agent) InstallUpdates(guids []string) {}
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func (a *Agent) installMesh(meshbin, exe, proxy string) (string, error) {
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return "not implemented", nil
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}
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func CMDShell(shell string, cmdArgs []string, command string, timeout int, detached bool) (output [2]string, e error) {
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return [2]string{"", ""}, nil
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}
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func CMD(exe string, args []string, timeout int, detached bool) (output [2]string, e error) {
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return [2]string{"", ""}, nil
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}
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func (a *Agent) GetServices() []trmm.WindowsService { return []trmm.WindowsService{} }
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func (a *Agent) Start(_ service.Service) error { return nil }
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func (a *Agent) Stop(_ service.Service) error { return nil }
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func (a *Agent) InstallService() error { return nil }
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