289 lines
7.1 KiB
Go
289 lines
7.1 KiB
Go
/*
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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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"fmt"
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"io"
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"net/url"
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"os"
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"path/filepath"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/go-resty/resty/v2"
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trmm "github.com/wh1te909/trmm-shared"
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)
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type Installer struct {
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Headers map[string]string
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RMM string
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ClientID int
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SiteID int
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Description string
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AgentType string
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Power bool
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RDP bool
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Ping bool
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Token string
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LocalMesh string
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Cert string
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Proxy string
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Timeout time.Duration
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SaltMaster string
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Silent bool
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NoMesh bool
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MeshDir string
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MeshNodeID string
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}
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func (a *Agent) Install(i *Installer) {
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a.checkExistingAndRemove(i.Silent)
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i.Headers = map[string]string{
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"content-type": "application/json",
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"Authorization": fmt.Sprintf("Token %s", i.Token),
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}
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a.AgentID = GenerateAgentID()
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a.Logger.Debugln("Agent ID:", a.AgentID)
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u, err := url.Parse(i.RMM)
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if err != nil {
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a.installerMsg(err.Error(), "error", i.Silent)
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}
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if u.Scheme != "https" && u.Scheme != "http" {
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a.installerMsg("Invalid URL (must contain https or http)", "error", i.Silent)
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}
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// will match either ipv4 , or ipv4:port
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var ipPort = regexp.MustCompile(`[0-9]+(?:\.[0-9]+){3}(:[0-9]+)?`)
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// if ipv4:port, strip the port to get ip for salt master
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if ipPort.MatchString(u.Host) && strings.Contains(u.Host, ":") {
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i.SaltMaster = strings.Split(u.Host, ":")[0]
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} else if strings.Contains(u.Host, ":") {
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i.SaltMaster = strings.Split(u.Host, ":")[0]
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} else {
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i.SaltMaster = u.Host
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}
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a.Logger.Debugln("API:", i.SaltMaster)
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baseURL := u.Scheme + "://" + u.Host
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a.Logger.Debugln("Base URL:", baseURL)
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iClient := resty.New()
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iClient.SetCloseConnection(true)
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iClient.SetTimeout(15 * time.Second)
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iClient.SetDebug(a.Debug)
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iClient.SetHeaders(i.Headers)
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// set proxy if applicable
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if len(i.Proxy) > 0 {
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a.Logger.Infoln("Using proxy:", i.Proxy)
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iClient.SetProxy(i.Proxy)
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}
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creds, cerr := iClient.R().Get(fmt.Sprintf("%s/api/v3/installer/", baseURL))
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if cerr != nil {
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a.installerMsg(cerr.Error(), "error", i.Silent)
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}
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if creds.StatusCode() == 401 {
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a.installerMsg("Installer token has expired. Please generate a new one.", "error", i.Silent)
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}
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verPayload := map[string]string{"version": a.Version}
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iVersion, ierr := iClient.R().SetBody(verPayload).Post(fmt.Sprintf("%s/api/v3/installer/", baseURL))
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if ierr != nil {
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a.installerMsg(ierr.Error(), "error", i.Silent)
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}
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if iVersion.StatusCode() != 200 {
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a.installerMsg(DjangoStringResp(iVersion.String()), "error", i.Silent)
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}
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rClient := resty.New()
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rClient.SetCloseConnection(true)
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rClient.SetTimeout(i.Timeout * time.Second)
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rClient.SetDebug(a.Debug)
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// set rest knox headers
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rClient.SetHeaders(i.Headers)
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// set local cert if applicable
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if len(i.Cert) > 0 {
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if !trmm.FileExists(i.Cert) {
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a.installerMsg(fmt.Sprintf("%s does not exist", i.Cert), "error", i.Silent)
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}
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rClient.SetRootCertificate(i.Cert)
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}
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if len(i.Proxy) > 0 {
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rClient.SetProxy(i.Proxy)
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}
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var installerMeshSystemEXE string
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if len(i.MeshDir) > 0 {
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installerMeshSystemEXE = filepath.Join(i.MeshDir, "MeshAgent.exe")
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} else {
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installerMeshSystemEXE = a.MeshSystemEXE
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}
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var meshNodeID string
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if runtime.GOOS == "windows" && !i.NoMesh {
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mesh := filepath.Join(a.ProgramDir, a.MeshInstaller)
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if i.LocalMesh == "" {
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a.Logger.Infoln("Downloading mesh agent...")
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payload := map[string]string{"goarch": a.GoArch, "plat": a.Platform}
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r, err := rClient.R().SetBody(payload).SetOutput(mesh).Post(fmt.Sprintf("%s/api/v3/meshexe/", baseURL))
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if err != nil {
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a.installerMsg(fmt.Sprintf("Failed to download mesh agent: %s", err.Error()), "error", i.Silent)
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}
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if r.StatusCode() != 200 {
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a.installerMsg(fmt.Sprintf("Unable to download the mesh agent from the RMM. %s", r.String()), "error", i.Silent)
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}
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} else {
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err := copyFile(i.LocalMesh, mesh)
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if err != nil {
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a.installerMsg(err.Error(), "error", i.Silent)
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}
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}
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a.Logger.Infoln("Installing mesh agent...")
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a.Logger.Debugln("Mesh agent:", mesh)
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time.Sleep(1 * time.Second)
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meshNodeID, err = a.installMesh(mesh, installerMeshSystemEXE, i.Proxy)
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if err != nil {
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a.installerMsg(fmt.Sprintf("Failed to install mesh agent: %s", err.Error()), "error", i.Silent)
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}
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}
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if len(i.MeshNodeID) > 0 {
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meshNodeID = i.MeshNodeID
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}
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a.Logger.Infoln("Adding agent to dashboard")
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// add agent
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type NewAgentResp struct {
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AgentPK int `json:"pk"`
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Token string `json:"token"`
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}
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agentPayload := map[string]interface{}{
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"agent_id": a.AgentID,
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"hostname": a.Hostname,
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"site": i.SiteID,
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"monitoring_type": i.AgentType,
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"mesh_node_id": meshNodeID,
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"description": i.Description,
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"goarch": a.GoArch,
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"plat": a.Platform,
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}
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r, err := rClient.R().SetBody(agentPayload).SetResult(&NewAgentResp{}).Post(fmt.Sprintf("%s/api/v3/newagent/", baseURL))
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if err != nil {
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a.installerMsg(err.Error(), "error", i.Silent)
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}
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if r.StatusCode() != 200 {
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a.installerMsg(r.String(), "error", i.Silent)
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}
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agentPK := r.Result().(*NewAgentResp).AgentPK
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agentToken := r.Result().(*NewAgentResp).Token
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a.Logger.Debugln("Agent token:", agentToken)
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a.Logger.Debugln("Agent PK:", agentPK)
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createAgentConfig(baseURL, a.AgentID, i.SaltMaster, agentToken, strconv.Itoa(agentPK), i.Cert, i.Proxy, i.MeshDir)
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time.Sleep(1 * time.Second)
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// refresh our agent with new values
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a = New(a.Logger, a.Version)
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a.Logger.Debugf("%+v\n", a)
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// set new headers, no longer knox auth...use agent auth
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rClient.SetHeaders(a.Headers)
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time.Sleep(3 * time.Second)
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// check in once
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a.DoNatsCheckIn()
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if runtime.GOOS == "windows" {
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// send software api
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a.SendSoftware()
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a.Logger.Debugln("Creating temp dir")
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err := createWinTempDir()
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if err != nil {
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a.Logger.Errorln("Install() createWinTempDir():", err)
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}
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a.Logger.Debugln("Disabling automatic windows updates")
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a.PatchMgmnt(true)
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a.Logger.Infoln("Installing service...")
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err = a.InstallService()
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if err != nil {
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a.installerMsg(err.Error(), "error", i.Silent)
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}
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time.Sleep(1 * time.Second)
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a.Logger.Infoln("Starting service...")
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out := a.ControlService(winSvcName, "start")
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if !out.Success {
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a.installerMsg(out.ErrorMsg, "error", i.Silent)
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}
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a.Logger.Infoln("Adding windows defender exclusions")
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a.addDefenderExlusions()
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if i.Power {
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a.Logger.Infoln("Disabling sleep/hibernate...")
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DisableSleepHibernate()
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}
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if i.Ping {
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a.Logger.Infoln("Enabling ping...")
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EnablePing()
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}
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if i.RDP {
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a.Logger.Infoln("Enabling RDP...")
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EnableRDP()
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}
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}
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a.installerMsg("Installation was successfull!\nAllow a few minutes for the agent to properly display in the RMM", "info", i.Silent)
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}
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func copyFile(src, dst string) error {
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in, err := os.Open(src)
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if err != nil {
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return err
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}
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defer in.Close()
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out, err := os.Create(dst)
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if err != nil {
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return err
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}
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defer out.Close()
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_, err = io.Copy(out, in)
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if err != nil {
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return err
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}
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return nil
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}
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