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ztNetworks.go
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/** Main program */
package main
import (
"flag"
"fmt"
"goztcli/createnet"
"goztcli/dbinfo"
"goztcli/editRules"
"goztcli/webauthpeer"
"goztcli/webcompilerules"
"goztcli/webcreatenet"
"goztcli/webdeletenet"
"goztcli/webgetip"
"goztcli/webgetmembers"
"goztcli/webgetroutes"
"goztcli/webgetrules"
"goztcli/weblistnetworks"
"goztcli/webmanageroute"
"goztcli/webupdatenetcidr"
"goztcli/webupdatenetdesc"
"goztcli/webupdatenotes"
"goztcli/ztcommon"
"goztcli/ztpeers"
"goztcli/ztroutes"
"log"
"net/http"
"os"
"os/user"
"regexp"
"runtime"
"strings"
"github.com/pterm/pterm"
"github.com/pterm/pterm/putils"
)
// Main function.
func main() {
// Print a block of text centered in the terminal
pterm.DefaultCenter.Println("Self-Hosted ZeroTier Controller with:")
// Generate BigLetters and store in 's'
s, _ := pterm.DefaultBigText.WithLetters(putils.LettersFromString("go_cli_zt")).Srender()
// Print the BigLetters 's' centered in the terminal
pterm.DefaultCenter.Println(s)
// Print each line of the text separately centered in the terminal
pterm.DefaultCenter.WithCenterEachLineSeparately().Println("Duane Dunston\nthedunston@gmail.com\nPlease send bug and feature requests here: https://github.com/thedunston/go_cli_zt")
/** The program needs to be run as an administrator because the secrets file needs
to be read. */
//fmt.Println("Current User: " + currentUser.Username)
// Get the current user.
currentUser, err := user.Current()
if err != nil {
fmt.Println("Error while retrieving current user:", err)
os.Exit(1)
}
getOS := runtime.GOOS
if strings.HasPrefix(getOS, "windows") {
_ = checkAdminWindows(currentUser)
//fmt.Println("Is current user in admin group on Windows?", isAdmin)
} else {
// Check if user ID is 0
if os.Geteuid() != 0 {
ztcommon.PtermErrMsg("This script must be run as root")
os.Exit(1)
}
}
// Check if the dbPath exists, if not, then run InitDB().
if _, err := os.Stat(dbinfo.ZtFilename()); os.IsNotExist(err) {
pterm.DefaultBox.WithRightPadding(10).WithLeftPadding(10).WithTopPadding(2).WithBottomPadding(2).Println("goclzt needs to create and populate the SQLite database with the current ZT Networks and\nits peers.The database is located under: " + dbinfo.ZtFilename())
ztcommon.AllDone()
dbinfo.InitDB()
}
// Create a flag that accepts -web.
var doWeb bool
var doCli bool
flag.BoolVar(&doWeb, "web", false, "Run the web interface")
flag.BoolVar(&doCli, "cli", false, "Run via the CLI")
flag.Parse()
//fmt.Println(len(os.Args))
if doWeb || !doCli {
ztcommon.PtermSuccess("Open your browser and connect to: http://localhost:4444")
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/networks", http.StatusSeeOther)
})
/** Begin functions to handle the web interface */
http.HandleFunc("/authpeer", func(w http.ResponseWriter, r *http.Request) {
webauthpeer.WebAuthPeer(w, r)
})
http.HandleFunc("/compileRules", func(w http.ResponseWriter, r *http.Request) {
webcompilerules.WebCompileRules(w, r)
})
http.HandleFunc("/createnet", func(w http.ResponseWriter, r *http.Request) {
webcreatenet.WebCreateNet(w, r)
})
http.HandleFunc("/deletenet", func(w http.ResponseWriter, r *http.Request) {
webdeletenet.WebDeleteNet(w, r)
})
http.HandleFunc("/editRules", func(w http.ResponseWriter, r *http.Request) {
webgetrules.WebGetRules(w, r)
})
http.HandleFunc("/getmembers", func(w http.ResponseWriter, r *http.Request) {
webgetmembers.WebGetMembers(w, r)
})
http.HandleFunc("/getpeerip", func(w http.ResponseWriter, r *http.Request) {
webgetip.WebGetIP(w, r)
})
http.HandleFunc("/getroutes", func(w http.ResponseWriter, r *http.Request) {
webgetroutes.WebGetRoutes(w, r)
})
http.HandleFunc("/getRules", func(w http.ResponseWriter, r *http.Request) {
webgetrules.WebGetRules(w, r)
})
http.HandleFunc("/manageroute", func(w http.ResponseWriter, r *http.Request) {
webmanageroute.WebManageRoute(w, r)
})
http.HandleFunc("/networks", func(w http.ResponseWriter, r *http.Request) {
weblistnetworks.WebListNetworks(w, r)
})
http.HandleFunc("/updatenetcidr", func(w http.ResponseWriter, r *http.Request) {
webupdatenetcidr.WebUpdateNetCIDR(w, r)
})
http.HandleFunc("/updatenetdesc", func(w http.ResponseWriter, r *http.Request) {
webupdatenetdesc.WebUpdateNetDesc(w, r)
})
http.HandleFunc("/updatenotes", func(w http.ResponseWriter, r *http.Request) {
webupdatenotes.WebUpdateNotes(w, r)
})
/** End functions to handle the web interface */
// Listens on the localhost on port 4444.
log.Fatal(http.ListenAndServe("127.0.0.1:4444", nil))
} else if doCli {
// Main menu function.
mainMenu()
}
}
// Check if the user is in the admin group.
func checkAdminWindows(currentUser *user.User) bool {
// Check if user GID is 0.
groups, err := currentUser.GroupIds()
if err != nil {
ztcommon.PtermWithErr("Error while retrieving user groups:", err)
//fmt.Println("false")
return false
}
// Loop through the groups and check for the GID associated with
// being in the admin group.
for _, group := range groups {
if strings.EqualFold(group, "S-1-5-32-544") {
//fmt.Println("true")
return true
}
}
return false
}
// Main menu function.
func mainMenu() {
theMenu := `
################################
# ZeroTier Manager Controller
################################
1. Create a new ZT Network on this controller
2. Delete a ZT Network on this controller
3. Peer Management
4. Edit Flow Rules for Network
5. List all networks
6. Manage Routes
7. Update Network Description or IP Assignment
[E]xit
`
var todo string
fmt.Println(theMenu)
todo = ztcommon.PtermInputPrompt("Please select a numeric value")
//fmt.Scanln(&todo)
switch todo {
case "1":
createNet()
case "2":
deleteNet()
case "3":
peerManagement()
case "4":
editFlowRules()
case "5":
listAllNetworks()
case "6":
manageRoutes()
case "7":
updateNetworkDescription()
case "E", "e":
fmt.Println("Exiting...")
os.Exit(0)
default:
ztcommon.PtermInputPrompt("Invalid option")
}
mainMenu()
}
type Network struct {
ID string `json:"id"`
}
// Function to create a network.
func createNet() {
if createnet.CreateNet("", "", "", "createNet") {
fmt.Println("Network created successfully.")
ztcommon.AllDone()
return
} else {
fmt.Println("Network creation failed.")
ztcommon.AllDone()
return
}
}
type DeleteNet struct {
PeerAuth bool `json:"authorized"`
}
// Function to delete a network.
func deleteNet() {
// Print the list of networks and list in numerical order.
nwid := ztcommon.NetworksToManage()
// Deuthorize the peer and then delete them.
_, msg := ztcommon.AuthPeer(nwid, false, "delete", "", false)
if msg == "err" {
return
}
// Delete the network.
results := ztcommon.GetZTInfo("DELETE", []byte(""), "getNetworkConfig", nwid)
os.Remove("rule-compiler/" + nwid + ".ztrules")
// Delete them from the SQLITE DB.
if !dbinfo.DeleteNetwork(nwid) {
ztcommon.WriteLogs("Error deleting network:")
fmt.Println("Network deletion failed.")
ztcommon.AllDone()
return
}
fmt.Println(string(results))
}
// Function for peer management
func peerManagement() {
results := ztcommon.NetworksToManage()
ztpeers.ZTPeers(results)
}
// Function to edit flow rules
func editFlowRules() {
results := getSelectNetworkList()
editRules.EditRules(results)
}
func getSelectNetworkList() string {
// Get the list of networks.
theNetworks := ztcommon.AllNetworks("")
var networks = map[int]string{}
// Column header.
fmt.Printf("%-8s %-18s %-30s %-15s %-15s\n", "Select", "Network ID", "Name", "Start IP", "End IP")
for i, net := range theNetworks {
fmt.Printf("%-8d %-18s %-30s %-15s %-15s\n", i+1, net.Nwid, net.Name, net.IPRangeStart, net.IPRangeEnd)
networks[i] = net.Nwid
}
var userInput int
fmt.Printf("Enter the number under %s to manage the network: ", "Select")
fmt.Scanln(&userInput)
results := ztcommon.MenuSelection(networks, userInput)
fmt.Println("Network ID: ", results)
// Ensure it is 16 alphanumeric characters using a regular expression.
if !regexp.MustCompile(`^[a-z0-9]{16}$`).MatchString(results) {
fmt.Println("Invalid network ID")
return ""
}
// ztpeers.ZTPeers(results)
return results
}
type IPRange struct {
NWID string `json:"nwid"`
IPRangeStart string `json:"ipRangeStart"`
IPRangeEnd string `json:"ipRangeEnd"`
CreationTime string `json:"creationTime"`
}
// Function to list all networks
func listAllNetworks() {
ztcommon.ClearScreen()
// Only lists the networks and doesn't provide any management options.
_ = ztcommon.AllNetworks("list")
ztcommon.PtermInputPrompt("Hit Enter to Go back to the main menu: ")
ztcommon.ClearScreen()
mainMenu()
}
// Function to manage routes
func manageRoutes() {
// Get the list of networks.
theNetworks := ztcommon.AllNetworks("")
var networks = map[int]string{}
// Column header.
fmt.Printf("%-8s %-18s %-30s %-15s %-15s\n", "Select", "Network ID", "Name", "Start IP", "End IP")
for i, net := range theNetworks {
// Print the routes.
fmt.Printf("%-8d %-18s %-30s %-15s %-15s\n", i+1, net.Nwid, net.Name, net.IPRangeStart, net.IPRangeEnd)
networks[i] = net.Nwid
}
var userInput int
fmt.Printf("Enter the number under %s to manage the route: ", "Select")
fmt.Scanln(&userInput)
results := ztcommon.MenuSelection(networks, userInput)
fmt.Println("Network ID: ", results)
// Ensure it is 16 alphanumeric characters using a regular expression.
if !regexp.MustCompile(`^[a-z0-9]{16}$`).MatchString(results) {
fmt.Println("Invalid network ID")
return
}
// List the routes.
ztroutes.ZTRoutes(results)
}
// Function to update network description
func updateNetworkDescription() {
status, nwid := ztcommon.GetNet()
if !status {
ztcommon.PtermInputPrompt("Invalid network ID")
return
}
//reader := bufio.NewReader(os.Stdin)
var desc string
prompt := "Please enter a description for the network OR leave blank to skip"
desc, _ = pterm.DefaultInteractiveTextInput.Show(prompt)
//desc, _ = reader.ReadString('\n')
desc = strings.TrimSpace(desc)
if desc != "" {
x := createnet.CreateNet(nwid, desc, "", "updateNetDesc")
if x {
ztcommon.PtermSuccess("The description was updated.")
ztcommon.AllDone()
} else {
ztcommon.PtermErrMsg("The description was not updated.")
ztcommon.AllDone()
}
}
var cidr string
prompt = "Please enter a CIDR for the new DHCP Pool or leave blank to skip"
cidr, _ = pterm.DefaultInteractiveTextInput.Show(prompt)
//cidr, _ = reader.ReadString('\n')
cidr = strings.TrimSpace(cidr)
if cidr != "" {
x := createnet.CreateNet(nwid, "", cidr, "updateNetCIDR")
if x {
ztcommon.PtermSuccess("The CIDR was updated.")
ztcommon.AllDone()
} else {
ztcommon.PtermErrMsg("The CIDR was not updated.")
ztcommon.AllDone()
}
}
if desc == "" && cidr == "" {
ztcommon.PtermInputPrompt("No changes were made")
}
mainMenu()
}