mirror of https://github.com/1Panel-dev/1Panel
426 lines
12 KiB
Go
426 lines
12 KiB
Go
package service
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"os/user"
|
|
"path"
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/1Panel-dev/1Panel/backend/app/dto"
|
|
"github.com/1Panel-dev/1Panel/backend/constant"
|
|
"github.com/1Panel-dev/1Panel/backend/utils/cmd"
|
|
"github.com/1Panel-dev/1Panel/backend/utils/common"
|
|
"github.com/1Panel-dev/1Panel/backend/utils/files"
|
|
)
|
|
|
|
const sshPath = "/etc/ssh/sshd_config"
|
|
|
|
type SSHService struct{}
|
|
|
|
type ISSHService interface {
|
|
GetSSHInfo() (*dto.SSHInfo, error)
|
|
OperateSSH(operation string) error
|
|
UpdateByFile(value string) error
|
|
Update(key, value string) error
|
|
GenerateSSH(req dto.GenerateSSH) error
|
|
LoadSSHSecret(mode string) (string, error)
|
|
LoadLog(req dto.SearchSSHLog) (*dto.SSHLog, error)
|
|
}
|
|
|
|
func NewISSHService() ISSHService {
|
|
return &SSHService{}
|
|
}
|
|
|
|
func (u *SSHService) GetSSHInfo() (*dto.SSHInfo, error) {
|
|
data := dto.SSHInfo{
|
|
Status: constant.StatusDisable,
|
|
Port: "22",
|
|
ListenAddress: "0.0.0.0",
|
|
PasswordAuthentication: "yes",
|
|
PubkeyAuthentication: "yes",
|
|
PermitRootLogin: "yes",
|
|
UseDNS: "yes",
|
|
}
|
|
sudo := ""
|
|
hasSudo := cmd.HasNoPasswordSudo()
|
|
if hasSudo {
|
|
sudo = "sudo"
|
|
}
|
|
stdout, err := cmd.Execf("%s systemctl status sshd", sudo)
|
|
if err != nil {
|
|
return &data, nil
|
|
}
|
|
stdLines := strings.Split(stdout, "\n")
|
|
for _, stdline := range stdLines {
|
|
if strings.Contains(stdline, "active (running)") {
|
|
data.Status = constant.StatusEnable
|
|
break
|
|
}
|
|
}
|
|
if data.Status == constant.StatusDisable {
|
|
return &data, nil
|
|
}
|
|
sshConf, err := os.ReadFile(sshPath)
|
|
if err != nil {
|
|
return &data, err
|
|
}
|
|
lines := strings.Split(string(sshConf), "\n")
|
|
for _, line := range lines {
|
|
if strings.HasPrefix(line, "Port ") {
|
|
data.Port = strings.ReplaceAll(line, "Port ", "")
|
|
}
|
|
if strings.HasPrefix(line, "ListenAddress ") {
|
|
data.ListenAddress = strings.ReplaceAll(line, "ListenAddress ", "")
|
|
}
|
|
if strings.HasPrefix(line, "PasswordAuthentication ") {
|
|
data.PasswordAuthentication = strings.ReplaceAll(line, "PasswordAuthentication ", "")
|
|
}
|
|
if strings.HasPrefix(line, "PubkeyAuthentication ") {
|
|
data.PubkeyAuthentication = strings.ReplaceAll(line, "PubkeyAuthentication ", "")
|
|
}
|
|
if strings.HasPrefix(line, "PermitRootLogin ") {
|
|
data.PermitRootLogin = strings.ReplaceAll(line, "PermitRootLogin ", "")
|
|
}
|
|
if strings.HasPrefix(line, "UseDNS ") {
|
|
data.UseDNS = strings.ReplaceAll(line, "UseDNS ", "")
|
|
}
|
|
}
|
|
return &data, err
|
|
}
|
|
|
|
func (u *SSHService) OperateSSH(operation string) error {
|
|
if operation == "start" || operation == "stop" || operation == "restart" {
|
|
sudo := ""
|
|
hasSudo := cmd.HasNoPasswordSudo()
|
|
if hasSudo {
|
|
sudo = "sudo"
|
|
}
|
|
stdout, err := cmd.Execf("%s systemctl %s sshd", sudo, operation)
|
|
if err != nil {
|
|
return fmt.Errorf("%s sshd failed, stdout: %s, err: %v", operation, stdout, err)
|
|
}
|
|
return nil
|
|
}
|
|
return fmt.Errorf("not support such operation: %s", operation)
|
|
}
|
|
|
|
func (u *SSHService) Update(key, value string) error {
|
|
sshConf, err := os.ReadFile(sshPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
lines := strings.Split(string(sshConf), "\n")
|
|
newFiles := updateSSHConf(lines, key, value)
|
|
if err := settingRepo.Update(key, value); err != nil {
|
|
return err
|
|
}
|
|
file, err := os.OpenFile(sshPath, os.O_WRONLY|os.O_TRUNC, 0666)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
if _, err = file.WriteString(strings.Join(newFiles, "\n")); err != nil {
|
|
return err
|
|
}
|
|
sudo := ""
|
|
hasSudo := cmd.HasNoPasswordSudo()
|
|
if hasSudo {
|
|
sudo = "sudo"
|
|
}
|
|
if key == "Port" {
|
|
stdout, _ := cmd.Execf("%s getenforce", sudo)
|
|
if stdout == "Enforcing\n" {
|
|
_, _ = cmd.Execf("%s semanage port -a -t ssh_port_t -p tcp %s", sudo, value)
|
|
}
|
|
}
|
|
_, _ = cmd.Execf("%s systemctl restart sshd", sudo)
|
|
return nil
|
|
}
|
|
|
|
func (u *SSHService) UpdateByFile(value string) error {
|
|
file, err := os.OpenFile(sshPath, os.O_WRONLY|os.O_TRUNC, 0666)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
if _, err = file.WriteString(value); err != nil {
|
|
return err
|
|
}
|
|
sudo := ""
|
|
hasSudo := cmd.HasNoPasswordSudo()
|
|
if hasSudo {
|
|
sudo = "sudo"
|
|
}
|
|
_, _ = cmd.Execf("%s systemctl restart sshd", sudo)
|
|
return nil
|
|
}
|
|
|
|
func (u *SSHService) GenerateSSH(req dto.GenerateSSH) error {
|
|
currentUser, err := user.Current()
|
|
if err != nil {
|
|
return fmt.Errorf("load current user failed, err: %v", err)
|
|
}
|
|
secretFile := fmt.Sprintf("%s/.ssh/id_item_%s", currentUser.HomeDir, req.EncryptionMode)
|
|
secretPubFile := fmt.Sprintf("%s/.ssh/id_item_%s.pub", currentUser.HomeDir, req.EncryptionMode)
|
|
authFile := currentUser.HomeDir + "/.ssh/authorized_keys"
|
|
|
|
command := fmt.Sprintf("ssh-keygen -t %s -f %s/.ssh/id_item_%s | echo y", req.EncryptionMode, currentUser.HomeDir, req.EncryptionMode)
|
|
if len(req.Password) != 0 {
|
|
command = fmt.Sprintf("ssh-keygen -t %s -P %s -f %s/.ssh/id_item_%s | echo y", req.EncryptionMode, req.Password, currentUser.HomeDir, req.EncryptionMode)
|
|
}
|
|
stdout, err := cmd.Exec(command)
|
|
if err != nil {
|
|
return fmt.Errorf("generate failed, err: %v, message: %s", err, stdout)
|
|
}
|
|
defer func() {
|
|
_ = os.Remove(secretFile)
|
|
}()
|
|
defer func() {
|
|
_ = os.Remove(secretPubFile)
|
|
}()
|
|
|
|
if _, err := os.Stat(authFile); err != nil {
|
|
_, _ = os.Create(authFile)
|
|
}
|
|
stdout1, err := cmd.Execf("cat %s >> %s/.ssh/authorized_keys", secretPubFile, currentUser.HomeDir)
|
|
if err != nil {
|
|
return fmt.Errorf("generate failed, err: %v, message: %s", err, stdout1)
|
|
}
|
|
|
|
fileOp := files.NewFileOp()
|
|
if err := fileOp.Rename(secretFile, fmt.Sprintf("%s/.ssh/id_%s", currentUser.HomeDir, req.EncryptionMode)); err != nil {
|
|
return err
|
|
}
|
|
if err := fileOp.Rename(secretPubFile, fmt.Sprintf("%s/.ssh/id_%s.pub", currentUser.HomeDir, req.EncryptionMode)); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (u *SSHService) LoadSSHSecret(mode string) (string, error) {
|
|
currentUser, err := user.Current()
|
|
if err != nil {
|
|
return "", fmt.Errorf("load current user failed, err: %v", err)
|
|
}
|
|
|
|
homeDir := currentUser.HomeDir
|
|
if _, err := os.Stat(fmt.Sprintf("%s/.ssh/id_%s", homeDir, mode)); err != nil {
|
|
return "", nil
|
|
}
|
|
file, err := os.ReadFile(fmt.Sprintf("%s/.ssh/id_%s", homeDir, mode))
|
|
return string(file), err
|
|
}
|
|
|
|
func (u *SSHService) LoadLog(req dto.SearchSSHLog) (*dto.SSHLog, error) {
|
|
var fileList []string
|
|
var data dto.SSHLog
|
|
baseDir := "/var/log"
|
|
if err := filepath.Walk(baseDir, func(pathItem string, info os.FileInfo, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !info.IsDir() && strings.HasPrefix(info.Name(), "secure") || strings.HasPrefix(info.Name(), "auth") {
|
|
if strings.HasSuffix(info.Name(), ".gz") {
|
|
if err := handleGunzip(pathItem); err == nil {
|
|
fileList = append(fileList, strings.ReplaceAll(pathItem, ".gz", ""))
|
|
}
|
|
} else {
|
|
fileList = append(fileList, pathItem)
|
|
}
|
|
}
|
|
return nil
|
|
}); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
command := ""
|
|
if len(req.Info) != 0 {
|
|
command = fmt.Sprintf(" | grep '%s'", req.Info)
|
|
}
|
|
for i := 0; i < len(fileList); i++ {
|
|
if strings.HasPrefix(path.Base(fileList[i]), "secure") {
|
|
dataItem := loadFailedSecureDatas(fmt.Sprintf("cat %s | grep -a 'Failed password for' | grep -v 'invalid' %s", fileList[i], command))
|
|
data.FailedCount += len(dataItem)
|
|
data.TotalCount += len(dataItem)
|
|
if req.Status != constant.StatusSuccess {
|
|
data.Logs = append(data.Logs, dataItem...)
|
|
}
|
|
}
|
|
if strings.HasPrefix(path.Base(fileList[i]), "auth.log") {
|
|
dataItem := loadFailedAuthDatas(fmt.Sprintf("cat %s | grep -a 'Connection closed by authenticating user' | grep -a 'preauth' %s", fileList[i], command))
|
|
data.FailedCount += len(dataItem)
|
|
data.TotalCount += len(dataItem)
|
|
if req.Status != constant.StatusSuccess {
|
|
data.Logs = append(data.Logs, dataItem...)
|
|
}
|
|
}
|
|
dataItem := loadSuccessDatas(fmt.Sprintf("cat %s | grep Accepted %s", fileList[i], command))
|
|
data.TotalCount += len(dataItem)
|
|
if req.Status != constant.StatusFailed {
|
|
data.Logs = append(data.Logs, dataItem...)
|
|
}
|
|
}
|
|
data.SuccessfulCount = data.TotalCount - data.FailedCount
|
|
|
|
timeNow := time.Now()
|
|
nyc, _ := time.LoadLocation(common.LoadTimeZone())
|
|
for i := 0; i < len(data.Logs); i++ {
|
|
data.Logs[i].IsLocal = isPrivateIP(net.ParseIP(data.Logs[i].Address))
|
|
data.Logs[i].Date, _ = time.ParseInLocation("2006 Jan 2 15:04:05", fmt.Sprintf("%d %s", timeNow.Year(), data.Logs[i].DateStr), nyc)
|
|
if data.Logs[i].Date.After(timeNow) {
|
|
data.Logs[i].Date = data.Logs[i].Date.AddDate(-1, 0, 0)
|
|
}
|
|
}
|
|
sort.Slice(data.Logs, func(i, j int) bool {
|
|
return data.Logs[i].Date.After(data.Logs[j].Date)
|
|
})
|
|
|
|
var itemDatas []dto.SSHHistory
|
|
total, start, end := len(data.Logs), (req.Page-1)*req.PageSize, req.Page*req.PageSize
|
|
if start > total {
|
|
itemDatas = make([]dto.SSHHistory, 0)
|
|
} else {
|
|
if end >= total {
|
|
end = total
|
|
}
|
|
itemDatas = data.Logs[start:end]
|
|
}
|
|
data.Logs = itemDatas
|
|
|
|
return &data, nil
|
|
}
|
|
|
|
func updateSSHConf(oldFiles []string, param string, value interface{}) []string {
|
|
hasKey := false
|
|
var newFiles []string
|
|
for _, line := range oldFiles {
|
|
if strings.HasPrefix(line, param+" ") {
|
|
newFiles = append(newFiles, fmt.Sprintf("%s %v", param, value))
|
|
hasKey = true
|
|
continue
|
|
}
|
|
newFiles = append(newFiles, line)
|
|
}
|
|
if !hasKey {
|
|
newFiles = []string{}
|
|
for _, line := range oldFiles {
|
|
if strings.HasPrefix(line, fmt.Sprintf("#%s ", param)) && !hasKey {
|
|
newFiles = append(newFiles, fmt.Sprintf("%s %v", param, value))
|
|
hasKey = true
|
|
continue
|
|
}
|
|
newFiles = append(newFiles, line)
|
|
}
|
|
}
|
|
if !hasKey {
|
|
newFiles = []string{}
|
|
newFiles = append(newFiles, oldFiles...)
|
|
newFiles = append(newFiles, fmt.Sprintf("%s %v", param, value))
|
|
}
|
|
return newFiles
|
|
}
|
|
|
|
func loadSuccessDatas(command string) []dto.SSHHistory {
|
|
var datas []dto.SSHHistory
|
|
stdout2, err := cmd.Exec(command)
|
|
if err == nil {
|
|
lines := strings.Split(string(stdout2), "\n")
|
|
for _, line := range lines {
|
|
parts := strings.Fields(line)
|
|
if len(parts) < 14 {
|
|
continue
|
|
}
|
|
historyItem := dto.SSHHistory{
|
|
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
|
|
AuthMode: parts[6],
|
|
User: parts[8],
|
|
Address: parts[10],
|
|
Port: parts[12],
|
|
Status: constant.StatusSuccess,
|
|
}
|
|
datas = append(datas, historyItem)
|
|
}
|
|
}
|
|
return datas
|
|
}
|
|
|
|
func loadFailedAuthDatas(command string) []dto.SSHHistory {
|
|
var datas []dto.SSHHistory
|
|
stdout2, err := cmd.Exec(command)
|
|
if err == nil {
|
|
lines := strings.Split(string(stdout2), "\n")
|
|
for _, line := range lines {
|
|
parts := strings.Fields(line)
|
|
if len(parts) < 14 {
|
|
continue
|
|
}
|
|
historyItem := dto.SSHHistory{
|
|
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
|
|
AuthMode: parts[8],
|
|
User: parts[10],
|
|
Address: parts[11],
|
|
Port: parts[13],
|
|
Status: constant.StatusFailed,
|
|
}
|
|
if strings.Contains(line, ": ") {
|
|
historyItem.Message = strings.Split(line, ": ")[1]
|
|
}
|
|
datas = append(datas, historyItem)
|
|
}
|
|
}
|
|
return datas
|
|
}
|
|
|
|
func loadFailedSecureDatas(command string) []dto.SSHHistory {
|
|
var datas []dto.SSHHistory
|
|
stdout2, err := cmd.Exec(command)
|
|
if err == nil {
|
|
lines := strings.Split(string(stdout2), "\n")
|
|
for _, line := range lines {
|
|
parts := strings.Fields(line)
|
|
if len(parts) < 14 {
|
|
continue
|
|
}
|
|
historyItem := dto.SSHHistory{
|
|
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
|
|
AuthMode: parts[6],
|
|
User: parts[8],
|
|
Address: parts[10],
|
|
Port: parts[12],
|
|
Status: constant.StatusFailed,
|
|
}
|
|
if strings.Contains(line, ": ") {
|
|
historyItem.Message = strings.Split(line, ": ")[1]
|
|
}
|
|
datas = append(datas, historyItem)
|
|
}
|
|
}
|
|
return datas
|
|
}
|
|
|
|
func handleGunzip(path string) error {
|
|
if _, err := cmd.Execf("gunzip %s", path); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
func isPrivateIP(ip net.IP) bool {
|
|
if ip4 := ip.To4(); ip4 != nil {
|
|
switch true {
|
|
case ip4[0] == 10:
|
|
return true
|
|
case ip4[0] == 172 && ip4[1] >= 16 && ip4[1] <= 31:
|
|
return true
|
|
case ip4[0] == 192 && ip4[1] == 168:
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|