add option to specify custom user template path

pull/37/head
Andrii Veklychev 1 year ago
parent 05d7462a79
commit fa9022ee1b
  1. 24
      .editorconfig
  2. 3
      README.md
  3. 595
      main.go

@ -0,0 +1,24 @@
; https://editorconfig.org/
root = true
[*]
insert_final_newline = true
charset = utf-8
trim_trailing_whitespace = true
indent_style = space
indent_size = 2
[{Makefile,go.mod,go.sum,*.go,.gitmodules}]
indent_style = tab
indent_size = 4
[*.md]
indent_size = 4
trim_trailing_whitespace = false
eclint_indent_style = unset
[Dockerfile]
indent_size = 4

@ -94,6 +94,9 @@ Flags:
path to easyrsa index file.
--ccd Enable client-config-dir.
--ccd.path="./ccd" path to client-config-dir
--templates.clientconfig-path=""
path to custom client.config.tpl file
--templates.ccd-path="" path to custom ccd.tpl file
--auth.password Enable additional password authorization.
--auth.db="./easyrsa/pki/users.db"
Database path fort password authorization.

@ -5,9 +5,6 @@ import (
"bytes"
"encoding/json"
"fmt"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"gopkg.in/alecthomas/kingpin.v2"
"log"
"net"
"net/http"
@ -19,73 +16,77 @@ import (
"time"
"github.com/gobuffalo/packr/v2"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"gopkg.in/alecthomas/kingpin.v2"
)
const (
usernameRegexp = `^([a-zA-Z0-9_.-@])+$`
passwordRegexp = `^([a-zA-Z0-9_.-@])+$`
passwordMinLength = 6
downloadCertsApiUrl = "/api/data/certs/download"
downloadCcdApiUrl = "/api/data/ccd/download"
usernameRegexp = `^([a-zA-Z0-9_.-@])+$`
passwordRegexp = `^([a-zA-Z0-9_.-@])+$`
passwordMinLength = 6
downloadCertsApiUrl = "/api/data/certs/download"
downloadCcdApiUrl = "/api/data/ccd/download"
certsArchiveFileName = "certs.tar.gz"
ccdArchiveFileName = "ccd.tar.gz"
indexTxtDateLayout = "060102150405Z"
stringDateFormat = "2006-01-02 15:04:05"
ccdArchiveFileName = "ccd.tar.gz"
indexTxtDateLayout = "060102150405Z"
stringDateFormat = "2006-01-02 15:04:05"
ovpnStatusDateLayout = "2006-01-02 15:04:05"
version = "1.6.2"
version = "1.6.3"
)
var (
listenHost = kingpin.Flag("listen.host","host for ovpn-admin").Default("0.0.0.0").String()
listenPort = kingpin.Flag("listen.port","port for ovpn-admin").Default("8080").String()
serverRole = kingpin.Flag("role","server role master or slave").Default("master").HintOptions("master", "slave").String()
masterHost = kingpin.Flag("master.host","url for master server").Default("http://127.0.0.1").String()
masterBasicAuthUser = kingpin.Flag("master.basic-auth.user","user for basic auth on master server url").Default("").String()
masterBasicAuthPassword = kingpin.Flag("master.basic-auth.password","password for basic auth on master server url").Default("").String()
masterSyncFrequency = kingpin.Flag("master.sync-frequency", "master host data sync frequency in seconds.").Default("600").Int()
masterSyncToken = kingpin.Flag("master.sync-token", "master host data sync security token").Default("VerySecureToken").PlaceHolder("TOKEN").String()
openvpnNetwork = kingpin.Flag("ovpn.network","network for openvpn server").Default("172.16.100.0/24").String()
openvpnServer = kingpin.Flag("ovpn.server","comma separated addresses for openvpn servers").Default("127.0.0.1:7777:tcp").PlaceHolder("HOST:PORT:PROTOCOL").Strings()
mgmtAddress = kingpin.Flag("mgmt","comma separated (alias=address) for openvpn servers mgmt interfaces").Default("main=127.0.0.1:8989").Strings()
metricsPath = kingpin.Flag("metrics.path", "URL path for surfacing collected metrics").Default("/metrics").String()
easyrsaDirPath = kingpin.Flag("easyrsa.path", "path to easyrsa dir").Default("./easyrsa/").String()
indexTxtPath = kingpin.Flag("easyrsa.index-path", "path to easyrsa index file.").Default("./easyrsa/pki/index.txt").String()
ccdEnabled = kingpin.Flag("ccd", "Enable client-config-dir.").Default("false").Bool()
ccdDir = kingpin.Flag("ccd.path", "path to client-config-dir").Default("./ccd").String()
authByPassword = kingpin.Flag("auth.password", "Enable additional password authorization.").Default("false").Bool()
authDatabase = kingpin.Flag("auth.db", "Database path fort password authorization.").Default("./easyrsa/pki/users.db").String()
debug = kingpin.Flag("debug", "Enable debug mode.").Default("false").Bool()
verbose = kingpin.Flag("verbose", "Enable verbose mode.").Default("false").Bool()
certsArchivePath = "/tmp/" + certsArchiveFileName
ccdArchivePath = "/tmp/" + ccdArchiveFileName
listenHost = kingpin.Flag("listen.host", "host for ovpn-admin").Default("0.0.0.0").String()
listenPort = kingpin.Flag("listen.port", "port for ovpn-admin").Default("8080").String()
serverRole = kingpin.Flag("role", "server role master or slave").Default("master").HintOptions("master", "slave").String()
masterHost = kingpin.Flag("master.host", "url for master server").Default("http://127.0.0.1").String()
masterBasicAuthUser = kingpin.Flag("master.basic-auth.user", "user for basic auth on master server url").Default("").String()
masterBasicAuthPassword = kingpin.Flag("master.basic-auth.password", "password for basic auth on master server url").Default("").String()
masterSyncFrequency = kingpin.Flag("master.sync-frequency", "master host data sync frequency in seconds.").Default("600").Int()
masterSyncToken = kingpin.Flag("master.sync-token", "master host data sync security token").Default("VerySecureToken").PlaceHolder("TOKEN").String()
openvpnNetwork = kingpin.Flag("ovpn.network", "network for openvpn server").Default("172.16.100.0/24").String()
openvpnServer = kingpin.Flag("ovpn.server", "comma separated addresses for openvpn servers").Default("127.0.0.1:7777:tcp").PlaceHolder("HOST:PORT:PROTOCOL").Strings()
mgmtAddress = kingpin.Flag("mgmt", "comma separated (alias=address) for openvpn servers mgmt interfaces").Default("main=127.0.0.1:8989").Strings()
metricsPath = kingpin.Flag("metrics.path", "URL path for surfacing collected metrics").Default("/metrics").String()
easyrsaDirPath = kingpin.Flag("easyrsa.path", "path to easyrsa dir").Default("./easyrsa/").String()
indexTxtPath = kingpin.Flag("easyrsa.index-path", "path to easyrsa index file.").Default("./easyrsa/pki/index.txt").String()
ccdEnabled = kingpin.Flag("ccd", "Enable client-config-dir.").Default("false").Bool()
ccdDir = kingpin.Flag("ccd.path", "path to client-config-dir").Default("./ccd").String()
clientConfigTemplatePath = kingpin.Flag("templates.clientconfig-path", "path to custom client.conf.tpl").Default("").String()
ccdTemplatePath = kingpin.Flag("templates.ccd-path", "path to custom ccd.tpl").Default("").String()
authByPassword = kingpin.Flag("auth.password", "Enable additional password authorization.").Default("false").Bool()
authDatabase = kingpin.Flag("auth.db", "Database path fort password authorization.").Default("./easyrsa/pki/users.db").String()
debug = kingpin.Flag("debug", "Enable debug mode.").Default("false").Bool()
verbose = kingpin.Flag("verbose", "Enable verbose mode.").Default("false").Bool()
certsArchivePath = "/tmp/" + certsArchiveFileName
ccdArchivePath = "/tmp/" + ccdArchiveFileName
)
var (
ovpnServerCertExpire = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ovpn_server_cert_expire",
Help: "openvpn server certificate expire time in days",
},
Name: "ovpn_server_cert_expire",
Help: "openvpn server certificate expire time in days",
},
)
ovpnServerCaCertExpire = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ovpn_server_ca_cert_expire",
Help: "openvpn server CA certificate expire time in days",
},
Name: "ovpn_server_ca_cert_expire",
Help: "openvpn server CA certificate expire time in days",
},
)
ovpnClientsTotal = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ovpn_clients_total",
Help: "total openvpn users",
},
Name: "ovpn_clients_total",
Help: "total openvpn users",
},
)
ovpnClientsRevoked = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ovpn_clients_revoked",
Help: "revoked openvpn users",
},
Name: "ovpn_clients_revoked",
Help: "revoked openvpn users",
},
)
ovpnClientsExpired = prometheus.NewGauge(prometheus.GaugeOpts{
@ -95,9 +96,9 @@ var (
)
ovpnClientsConnected = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ovpn_clients_connected",
Help: "connected openvpn users",
},
Name: "ovpn_clients_connected",
Help: "connected openvpn users",
},
)
ovpnClientCertificateExpire = prometheus.NewGaugeVec(prometheus.GaugeOpts{
@ -108,9 +109,9 @@ var (
)
ovpnClientConnectionInfo = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Name: "ovpn_client_connection_info",
Help: "openvpn user connection info. ip - assigned address from ovpn network. value - last time when connection was refreshed in unix format",
},
Name: "ovpn_client_connection_info",
Help: "openvpn user connection info. ip - assigned address from ovpn network. value - last time when connection was refreshed in unix format",
},
[]string{"client", "ip"},
)
@ -122,69 +123,68 @@ var (
)
ovpnClientBytesReceived = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Name: "ovpn_client_bytes_received",
Help: "openvpn user bytes received",
},
Name: "ovpn_client_bytes_received",
Help: "openvpn user bytes received",
},
[]string{"client"},
)
ovpnClientBytesSent = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Name: "ovpn_client_bytes_sent",
Help: "openvpn user bytes sent",
},
Name: "ovpn_client_bytes_sent",
Help: "openvpn user bytes sent",
},
[]string{"client"},
)
)
type OvpnAdmin struct {
role string
lastSyncTime string
lastSuccessfulSyncTime string
masterHostBasicAuth bool
masterSyncToken string
clients []OpenvpnClient
activeClients []clientStatus
promRegistry *prometheus.Registry
mgmtInterfaces map[string]string
templates *packr.Box
modules []string
role string
lastSyncTime string
lastSuccessfulSyncTime string
masterHostBasicAuth bool
masterSyncToken string
clients []OpenvpnClient
activeClients []clientStatus
promRegistry *prometheus.Registry
mgmtInterfaces map[string]string
templates *packr.Box
modules []string
}
type OpenvpnServer struct {
Host string
Port string
Host string
Port string
Protocol string
}
type openvpnClientConfig struct {
Hosts []OpenvpnServer
CA string
Cert string
Key string
TLS string
Hosts []OpenvpnServer
CA string
Cert string
Key string
TLS string
PasswdAuth bool
}
type OpenvpnClient struct {
Identity string `json:"Identity"`
AccountStatus string `json:"AccountStatus"`
ExpirationDate string `json:"ExpirationDate"`
RevocationDate string `json:"RevocationDate"`
ConnectionStatus string `json:"ConnectionStatus"`
ConnectionServer string `json:"ConnectionServer"`
Identity string `json:"Identity"`
AccountStatus string `json:"AccountStatus"`
ExpirationDate string `json:"ExpirationDate"`
RevocationDate string `json:"RevocationDate"`
ConnectionStatus string `json:"ConnectionStatus"`
ConnectionServer string `json:"ConnectionServer"`
}
type ccdRoute struct {
Address string `json:"Address"`
Mask string `json:"Mask"`
Description string `json:"Description"`
Address string `json:"Address"`
Mask string `json:"Mask"`
Description string `json:"Description"`
}
type Ccd struct {
User string `json:"User"`
ClientAddress string `json:"ClientAddress"`
CustomRoutes []ccdRoute `json:"CustomRoutes"`
User string `json:"User"`
ClientAddress string `json:"ClientAddress"`
CustomRoutes []ccdRoute `json:"CustomRoutes"`
}
type indexTxtLine struct {
@ -229,13 +229,13 @@ func (oAdmin *OvpnAdmin) userCreateHandler(w http.ResponseWriter, r *http.Reques
r.ParseForm()
userCreated, userCreateStatus := oAdmin.userCreate(r.FormValue("username"), r.FormValue("password"))
if userCreated {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, userCreateStatus)
return
} else {
http.Error(w, userCreateStatus, http.StatusUnprocessableEntity)
}
if userCreated {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, userCreateStatus)
return
} else {
http.Error(w, userCreateStatus, http.StatusUnprocessableEntity)
}
}
func (oAdmin *OvpnAdmin) userRevokeHandler(w http.ResponseWriter, r *http.Request) {
@ -271,7 +271,7 @@ func (oAdmin *OvpnAdmin) userChangePasswordHandler(w http.ResponseWriter, r *htt
return
}
} else {
http.Error(w, `{"status":"error"}`, http.StatusNotImplemented )
http.Error(w, `{"status":"error"}`, http.StatusNotImplemented)
}
}
@ -283,7 +283,7 @@ func (oAdmin *OvpnAdmin) userShowConfigHandler(w http.ResponseWriter, r *http.Re
func (oAdmin *OvpnAdmin) userDisconnectHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
// fmt.Fprintf(w, "%s", userDisconnect(r.FormValue("username")))
// fmt.Fprintf(w, "%s", userDisconnect(r.FormValue("username")))
fmt.Fprintf(w, "%s", r.FormValue("username"))
}
@ -298,32 +298,32 @@ func (oAdmin *OvpnAdmin) userApplyCcdHandler(w http.ResponseWriter, r *http.Requ
http.Error(w, `{"status":"error"}`, http.StatusLocked)
return
}
var ccd Ccd
if r.Body == nil {
http.Error(w, "Please send a request body", http.StatusBadRequest)
return
}
err := json.NewDecoder(r.Body).Decode(&ccd)
if err != nil {
log.Println(err)
}
ccdApplied, applyStatus := oAdmin.modifyCcd(ccd)
if ccdApplied {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, applyStatus)
return
} else {
http.Error(w, applyStatus, http.StatusUnprocessableEntity)
}
var ccd Ccd
if r.Body == nil {
http.Error(w, "Please send a request body", http.StatusBadRequest)
return
}
err := json.NewDecoder(r.Body).Decode(&ccd)
if err != nil {
log.Println(err)
}
ccdApplied, applyStatus := oAdmin.modifyCcd(ccd)
if ccdApplied {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, applyStatus)
return
} else {
http.Error(w, applyStatus, http.StatusUnprocessableEntity)
}
}
func (oAdmin *OvpnAdmin) serverSettingsHandler(w http.ResponseWriter, r *http.Request) {
enabledModules, enabledModulesErr := json.Marshal(oAdmin.modules)
if enabledModulesErr != nil {
log.Printf("ERROR: %s\n",enabledModulesErr)
log.Printf("ERROR: %s\n", enabledModulesErr)
}
fmt.Fprintf(w, `{"status":"ok", "serverRole": "%s", "modules": %s }`, oAdmin.role, string(enabledModules))
}
@ -350,8 +350,8 @@ func (oAdmin *OvpnAdmin) downloadCertsHandler(w http.ResponseWriter, r *http.Req
}
archiveCerts()
w.Header().Set("Content-Disposition", "attachment; filename=" + certsArchiveFileName)
http.ServeFile(w,r, certsArchivePath)
w.Header().Set("Content-Disposition", "attachment; filename="+certsArchiveFileName)
http.ServeFile(w, r, certsArchivePath)
}
func (oAdmin *OvpnAdmin) downloadCcdHandler(w http.ResponseWriter, r *http.Request) {
@ -368,15 +368,14 @@ func (oAdmin *OvpnAdmin) downloadCcdHandler(w http.ResponseWriter, r *http.Reque
}
archiveCcd()
w.Header().Set("Content-Disposition", "attachment; filename=" + ccdArchiveFileName)
http.ServeFile(w,r, ccdArchivePath)
w.Header().Set("Content-Disposition", "attachment; filename="+ccdArchiveFileName)
http.ServeFile(w, r, ccdArchivePath)
}
func main() {
kingpin.Version(version)
kingpin.Parse()
ovpnAdmin := new(OvpnAdmin)
ovpnAdmin.lastSyncTime = "unknown"
ovpnAdmin.role = *serverRole
@ -388,7 +387,7 @@ func main() {
ovpnAdmin.mgmtInterfaces = make(map[string]string)
for _, mgmtInterface := range *mgmtAddress {
parts := strings.SplitN(mgmtInterface, "=",2)
parts := strings.SplitN(mgmtInterface, "=", 2)
ovpnAdmin.mgmtInterfaces[parts[0]] = parts[len(parts)-1]
}
@ -415,7 +414,7 @@ func main() {
if ovpnAdmin.role == "slave" {
ovpnAdmin.syncDataFromMaster()
go ovpnAdmin.syncWithMaster()
go ovpnAdmin.syncWithMaster()
}
ovpnAdmin.templates = packr.New("template", "./templates")
@ -447,7 +446,7 @@ func main() {
})
fmt.Println("Bind: http://" + *listenHost + ":" + *listenPort)
log.Fatal(http.ListenAndServe(*listenHost + ":" + *listenPort, nil))
log.Fatal(http.ListenAndServe(*listenHost+":"+*listenPort, nil))
}
func CacheControlWrapper(h http.Handler) http.Handler {
@ -500,9 +499,9 @@ func indexTxtParser(txt string) []indexTxtLine {
switch {
// case strings.HasPrefix(str[0], "E"):
case strings.HasPrefix(str[0], "V"):
indexTxt = append(indexTxt, indexTxtLine{Flag: str[0], ExpirationDate: str[1], SerialNumber: str[2], Filename: str[3], DistinguishedName: str[4], Identity: str[4][strings.Index(str[4], "=")+1:]})
indexTxt = append(indexTxt, indexTxtLine{Flag: str[0], ExpirationDate: str[1], SerialNumber: str[2], Filename: str[3], DistinguishedName: str[4], Identity: str[4][strings.Index(str[4], "=")+1:]})
case strings.HasPrefix(str[0], "R"):
indexTxt = append(indexTxt, indexTxtLine{Flag: str[0], ExpirationDate: str[1], RevocationDate: str[2], SerialNumber: str[3], Filename: str[4], DistinguishedName: str[5], Identity: str[5][strings.Index(str[5], "=")+1:]})
indexTxt = append(indexTxt, indexTxtLine{Flag: str[0], ExpirationDate: str[1], RevocationDate: str[2], SerialNumber: str[3], Filename: str[4], DistinguishedName: str[5], Identity: str[5][strings.Index(str[5], "=")+1:]})
}
}
}
@ -515,25 +514,37 @@ func renderIndexTxt(data []indexTxtLine) string {
for _, line := range data {
switch {
case line.Flag == "V":
indexTxt += fmt.Sprintf("%s\t%s\t\t%s\t%s\t%s\n", line.Flag, line.ExpirationDate, line.SerialNumber, line.Filename, line.DistinguishedName)
indexTxt += fmt.Sprintf("%s\t%s\t\t%s\t%s\t%s\n", line.Flag, line.ExpirationDate, line.SerialNumber, line.Filename, line.DistinguishedName)
case line.Flag == "R":
indexTxt += fmt.Sprintf("%s\t%s\t%s\t%s\t%s\t%s\n", line.Flag, line.ExpirationDate, line.RevocationDate, line.SerialNumber, line.Filename, line.DistinguishedName)
// case line.flag == "E":
indexTxt += fmt.Sprintf("%s\t%s\t%s\t%s\t%s\t%s\n", line.Flag, line.ExpirationDate, line.RevocationDate, line.SerialNumber, line.Filename, line.DistinguishedName)
// case line.flag == "E":
}
}
return indexTxt
}
func (oAdmin *OvpnAdmin) getClientConfigTemplate() *template.Template {
if *clientConfigTemplatePath != "" {
return template.Must(template.ParseFiles(*clientConfigTemplatePath))
} else {
clientConfigTpl, clientConfigTplErr := oAdmin.templates.FindString("client.conf.tpl")
if clientConfigTplErr != nil {
log.Println("ERROR: clientConfigTpl not found in templates box")
}
return template.Must(template.New("client-config").Parse(clientConfigTpl))
}
}
func (oAdmin *OvpnAdmin) renderClientConfig(username string) string {
if checkUserExist(username) {
var hosts []OpenvpnServer
for _, server := range *openvpnServer {
parts := strings.SplitN(server, ":",3)
parts := strings.SplitN(server, ":", 3)
hosts = append(hosts, OpenvpnServer{Host: parts[0], Port: parts[1], Protocol: parts[2]})
}
if *debug {
log.Printf("WARNING: hosts for %s\n %v", username, hosts )
log.Printf("WARNING: hosts for %s\n %v", username, hosts)
}
conf := openvpnClientConfig{}
@ -544,18 +555,14 @@ func (oAdmin *OvpnAdmin) renderClientConfig(username string) string {
conf.TLS = fRead(*easyrsaDirPath + "/pki/ta.key")
conf.PasswdAuth = *authByPassword
clientConfigTpl, clientConfigTplErr := oAdmin.templates.FindString("client.conf.tpl")
if clientConfigTplErr != nil {
log.Println("ERROR: clientConfigTpl not found in templates box")
}
t := oAdmin.getClientConfigTemplate()
t := template.Must(template.New("client-config").Parse(clientConfigTpl))
var tmp bytes.Buffer
err := t.Execute(&tmp, conf)
if err != nil {
log.Printf("WARNING: something goes wrong during rendering config for %s", username )
log.Printf("WARNING: something goes wrong during rendering config for %s", username)
if *debug {
log.Printf("ERROR: rendering config for %s failed \n %v", username, err )
log.Printf("ERROR: rendering config for %s failed \n %v", username, err)
}
}
@ -568,22 +575,34 @@ func (oAdmin *OvpnAdmin) renderClientConfig(username string) string {
return fmt.Sprintf("User \"%s\" not found", username)
}
func (oAdmin *OvpnAdmin) getCcdTemplate() *template.Template {
if *ccdTemplatePath != "" {
return template.Must(template.ParseFiles(*ccdTemplatePath))
} else {
ccdTpl, ccdTplErr := oAdmin.templates.FindString("ccd.tpl")
if ccdTplErr != nil {
log.Printf("ERROR: ccdTpl not found in templates box")
}
return template.Must(template.New("ccd").Parse(ccdTpl))
}
}
func (oAdmin *OvpnAdmin) parseCcd(username string) Ccd {
ccd := Ccd{}
ccd.User = username
ccd.ClientAddress = "dynamic"
ccd.CustomRoutes = []ccdRoute{}
txtLinesArray := strings.Split(fRead(*ccdDir + "/" + username), "\n")
txtLinesArray := strings.Split(fRead(*ccdDir+"/"+username), "\n")
for _, v := range txtLinesArray {
str := strings.Fields(v)
if len(str) > 0 {
switch {
case strings.HasPrefix(str[0], "ifconfig-push"):
ccd.ClientAddress = str[1]
ccd.ClientAddress = str[1]
case strings.HasPrefix(str[0], "push"):
ccd.CustomRoutes = append(ccd.CustomRoutes, ccdRoute{Address: strings.Trim(str[2], "\""), Mask: strings.Trim(str[3], "\""), Description: strings.Trim(strings.Join(str[4:], ""), "#")})
ccd.CustomRoutes = append(ccd.CustomRoutes, ccdRoute{Address: strings.Trim(str[2], "\""), Mask: strings.Trim(str[3], "\""), Description: strings.Trim(strings.Join(str[4:], ""), "#")})
}
}
}
@ -594,85 +613,78 @@ func (oAdmin *OvpnAdmin) parseCcd(username string) Ccd {
func (oAdmin *OvpnAdmin) modifyCcd(ccd Ccd) (bool, string) {
ccdErr := "something goes wrong"
if fCreate(*ccdDir + "/" + ccd.User) {
ccdValid, ccdErr := validateCcd(ccd)
if ccdErr != "" {
return false, ccdErr
}
if ccdValid {
ccdTpl, ccdTplErr := oAdmin.templates.FindString("ccd.tpl")
if ccdTplErr != nil {
ccdErr = "ccdTpl not found in templates box"
log.Printf("ERROR: %s\n",ccdErr)
return false, ccdErr
}
if fCreate(*ccdDir + "/" + ccd.User) {
ccdValid, ccdErr := validateCcd(ccd)
if ccdErr != "" {
return false, ccdErr
}
t := template.Must(template.New("ccd").Parse(ccdTpl))
var tmp bytes.Buffer
tplErr := t.Execute(&tmp, ccd)
if ccdValid {
t := oAdmin.getCcdTemplate()
var tmp bytes.Buffer
tplErr := t.Execute(&tmp, ccd)
if tplErr != nil {
log.Println(tplErr)
}
fWrite(*ccdDir + "/" + ccd.User, tmp.String())
return true, "ccd updated successfully"
}
}
fWrite(*ccdDir+"/"+ccd.User, tmp.String())
return true, "ccd updated successfully"
}
}
return false, ccdErr
}
func validateCcd(ccd Ccd) (bool, string) {
ccdErr := ""
if ccd.ClientAddress != "dynamic" {
_, ovpnNet, err := net.ParseCIDR(*openvpnNetwork)
if err != nil {
log.Println(err)
}
if ! checkStaticAddressIsFree(ccd.ClientAddress, ccd.User) {
ccdErr = fmt.Sprintf("ClientAddress \"%s\" already assigned to another user", ccd.ClientAddress)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
if net.ParseIP(ccd.ClientAddress) == nil {
ccdErr = fmt.Sprintf("ClientAddress \"%s\" not a valid IP address", ccd.ClientAddress)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
if ! ovpnNet.Contains(net.ParseIP(ccd.ClientAddress)) {
ccdErr = fmt.Sprintf("ClientAddress \"%s\" not belongs to openvpn server network", ccd.ClientAddress)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
}
for _, route := range ccd.CustomRoutes {
if net.ParseIP(route.Address) == nil {
ccdErr = fmt.Sprintf("CustomRoute.Address \"%s\" must be a valid IP address", route.Address)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
if net.ParseIP(route.Mask) == nil {
ccdErr = fmt.Sprintf("CustomRoute.Mask \"%s\" must be a valid IP address", route.Mask)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
}
ccdErr := ""
if ccd.ClientAddress != "dynamic" {
_, ovpnNet, err := net.ParseCIDR(*openvpnNetwork)
if err != nil {
log.Println(err)
}
if !checkStaticAddressIsFree(ccd.ClientAddress, ccd.User) {
ccdErr = fmt.Sprintf("ClientAddress \"%s\" already assigned to another user", ccd.ClientAddress)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
if net.ParseIP(ccd.ClientAddress) == nil {
ccdErr = fmt.Sprintf("ClientAddress \"%s\" not a valid IP address", ccd.ClientAddress)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
if !ovpnNet.Contains(net.ParseIP(ccd.ClientAddress)) {
ccdErr = fmt.Sprintf("ClientAddress \"%s\" not belongs to openvpn server network", ccd.ClientAddress)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
}
for _, route := range ccd.CustomRoutes {
if net.ParseIP(route.Address) == nil {
ccdErr = fmt.Sprintf("CustomRoute.Address \"%s\" must be a valid IP address", route.Address)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
if net.ParseIP(route.Mask) == nil {
ccdErr = fmt.Sprintf("CustomRoute.Mask \"%s\" must be a valid IP address", route.Mask)
if *debug {
log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
}
return false, ccdErr
}
}
return true, ccdErr
}
@ -683,19 +695,19 @@ func (oAdmin *OvpnAdmin) getCcd(username string) Ccd {
ccd.ClientAddress = "dynamic"
ccd.CustomRoutes = []ccdRoute{}
if fCreate(*ccdDir + "/" + username) {
ccd = oAdmin.parseCcd(username)
}
return ccd
if fCreate(*ccdDir + "/" + username) {
ccd = oAdmin.parseCcd(username)
}
return ccd
}
func checkStaticAddressIsFree(staticAddress string, username string) bool {
o := runBash(fmt.Sprintf("grep -rl %s %s | grep -vx %s/%s | wc -l", staticAddress, *ccdDir, *ccdDir, username))
o := runBash(fmt.Sprintf("grep -rl %s %s | grep -vx %s/%s | wc -l", staticAddress, *ccdDir, *ccdDir, username))
if strings.TrimSpace(o) == "0" {
return true
}
return false
if strings.TrimSpace(o) == "0" {
return true
}
return false
}
func validateUsername(username string) bool {
@ -731,37 +743,37 @@ func (oAdmin *OvpnAdmin) usersList() []OpenvpnClient {
apochNow := time.Now().Unix()
for _, line := range indexTxtParser(fRead(*indexTxtPath)) {
if line.Identity != "server" {
if line.Identity != "server" {
totalCerts += 1
ovpnClient := OpenvpnClient{Identity: line.Identity, ExpirationDate: parseDateToString(indexTxtDateLayout, line.ExpirationDate, stringDateFormat)}
switch {
case line.Flag == "V":
ovpnClient.AccountStatus = "Active"
ovpnClientCertificateExpire.WithLabelValues(line.Identity).Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
validCerts += 1
ovpnClient := OpenvpnClient{Identity: line.Identity, ExpirationDate: parseDateToString(indexTxtDateLayout, line.ExpirationDate, stringDateFormat)}
switch {
case line.Flag == "V":
ovpnClient.AccountStatus = "Active"
ovpnClientCertificateExpire.WithLabelValues(line.Identity).Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
validCerts += 1
case line.Flag == "R":
ovpnClient.AccountStatus = "Revoked"
ovpnClient.RevocationDate = parseDateToString(indexTxtDateLayout, line.RevocationDate, stringDateFormat)
ovpnClientCertificateExpire.WithLabelValues(line.Identity).Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
revokedCerts += 1
case line.Flag == "E":
ovpnClient.AccountStatus = "Expired"
ovpnClientCertificateExpire.WithLabelValues(line.Identity).Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
expiredCerts += 1
}
ovpnClient.AccountStatus = "Revoked"
ovpnClient.RevocationDate = parseDateToString(indexTxtDateLayout, line.RevocationDate, stringDateFormat)
ovpnClientCertificateExpire.WithLabelValues(line.Identity).Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
revokedCerts += 1
case line.Flag == "E":
ovpnClient.AccountStatus = "Expired"
ovpnClientCertificateExpire.WithLabelValues(line.Identity).Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
expiredCerts += 1
}
ovpnClient.ConnectionServer = ""
userConnected, userConnectedTo := isUserConnected(line.Identity, oAdmin.activeClients)
if userConnected {
ovpnClient.ConnectionStatus = "Connected"
ovpnClient.ConnectionServer = userConnectedTo
userConnected, userConnectedTo := isUserConnected(line.Identity, oAdmin.activeClients)
if userConnected {
ovpnClient.ConnectionStatus = "Connected"
ovpnClient.ConnectionServer = userConnectedTo
connectedUsers += 1
}
}
users = append(users, ovpnClient)
users = append(users, ovpnClient)
} else {
} else {
ovpnServerCertExpire.Set(float64((parseDateToUnix(indexTxtDateLayout, line.ExpirationDate) - apochNow) / 3600 / 24))
}
}
@ -781,7 +793,7 @@ func (oAdmin *OvpnAdmin) usersList() []OpenvpnClient {
}
func (oAdmin *OvpnAdmin) userCreate(username, password string) (bool, string) {
ucErr := fmt.Sprintf("User \"%s\" created", username)
ucErr := fmt.Sprintf("User \"%s\" created", username)
if checkUserExist(username) {
ucErr = fmt.Sprintf("User \"%s\" already exists\n", username)
@ -791,7 +803,7 @@ func (oAdmin *OvpnAdmin) userCreate(username, password string) (bool, string) {
return false, ucErr
}
if ! validateUsername(username) {
if !validateUsername(username) {
ucErr = fmt.Sprintf("Username \"%s\" incorrect, you can use only %s\n", username, usernameRegexp)
if *debug {
log.Printf("ERROR: userCreate: %s", ucErr)
@ -832,7 +844,7 @@ func (oAdmin *OvpnAdmin) userChangePassword(username, password string) (bool, st
o := runBash(fmt.Sprintf("openvpn-user check --db.path %s --user %s | grep %s | wc -l", *authDatabase, username, username))
fmt.Println(o)
if ! validatePassword(password) {
if !validatePassword(password) {
ucpErr := fmt.Sprintf("Password for too short, password length must be greater or equal %d", passwordMinLength)
if *debug {
log.Printf("ERROR: userChangePassword: %s\n", ucpErr)
@ -889,30 +901,30 @@ func (oAdmin *OvpnAdmin) userUnrevoke(username string) string {
usersFromIndexTxt := indexTxtParser(fRead(*indexTxtPath))
for i := range usersFromIndexTxt {
if usersFromIndexTxt[i].DistinguishedName == ("/CN=" + username) {
if usersFromIndexTxt[i].Flag == "R" {
usersFromIndexTxt[i].Flag = "V"
usersFromIndexTxt[i].RevocationDate = ""
o := runBash(fmt.Sprintf("cd %s && cp pki/revoked/certs_by_serial/%s.crt pki/issued/%s.crt", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, username))
//fmt.Println(o)
o = runBash(fmt.Sprintf("cd %s && cp pki/revoked/certs_by_serial/%s.crt pki/certs_by_serial/%s.pem", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, usersFromIndexTxt[i].SerialNumber))
//fmt.Println(o)
o = runBash(fmt.Sprintf("cd %s && cp pki/revoked/private_by_serial/%s.key pki/private/%s.key", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, username))
//fmt.Println(o)
o = runBash(fmt.Sprintf("cd %s && cp pki/revoked/reqs_by_serial/%s.req pki/reqs/%s.req", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, username))
//fmt.Println(o)
fWrite(*indexTxtPath, renderIndexTxt(usersFromIndexTxt))
//fmt.Print(renderIndexTxt(usersFromIndexTxt))
o = runBash(fmt.Sprintf("cd %s && easyrsa gen-crl", *easyrsaDirPath))
//fmt.Println(o)
if usersFromIndexTxt[i].Flag == "R" {
usersFromIndexTxt[i].Flag = "V"
usersFromIndexTxt[i].RevocationDate = ""
o := runBash(fmt.Sprintf("cd %s && cp pki/revoked/certs_by_serial/%s.crt pki/issued/%s.crt", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, username))
//fmt.Println(o)
o = runBash(fmt.Sprintf("cd %s && cp pki/revoked/certs_by_serial/%s.crt pki/certs_by_serial/%s.pem", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, usersFromIndexTxt[i].SerialNumber))
//fmt.Println(o)
o = runBash(fmt.Sprintf("cd %s && cp pki/revoked/private_by_serial/%s.key pki/private/%s.key", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, username))
//fmt.Println(o)
o = runBash(fmt.Sprintf("cd %s && cp pki/revoked/reqs_by_serial/%s.req pki/reqs/%s.req", *easyrsaDirPath, usersFromIndexTxt[i].SerialNumber, username))
//fmt.Println(o)
fWrite(*indexTxtPath, renderIndexTxt(usersFromIndexTxt))
//fmt.Print(renderIndexTxt(usersFromIndexTxt))
o = runBash(fmt.Sprintf("cd %s && easyrsa gen-crl", *easyrsaDirPath))
//fmt.Println(o)
if *authByPassword {
o = runBash(fmt.Sprintf("openvpn-user restore --db-path %s --user %s", *authDatabase, username))
//fmt.Println(o)
}
crlFix()
o = ""
crlFix()
o = ""
fmt.Println(o)
break
}
break
}
}
}
fWrite(*indexTxtPath, renderIndexTxt(usersFromIndexTxt))
@ -924,7 +936,6 @@ func (oAdmin *OvpnAdmin) userUnrevoke(username string) string {
return fmt.Sprintf("{\"msg\":\"User \"%s\" not found\"}", username)
}
func (oAdmin *OvpnAdmin) mgmtRead(conn net.Conn) string {
buf := make([]byte, 32768)
bufLen, _ := conn.Read(buf)
@ -960,8 +971,8 @@ func (oAdmin *OvpnAdmin) mgmtConnectedUsersParser(text, serverName string) []cli
userName := user[0]
userAddress := user[1]
userBytesReceived:= user[2]
userBytesSent:= user[3]
userBytesReceived := user[2]
userBytesSent := user[3]
userConnectedSince := user[4]
userStatus := clientStatus{CommonName: userName, RealAddress: userAddress, BytesReceived: userBytesReceived, BytesSent: userBytesSent, ConnectedSince: userConnectedSince, ConnectedTo: serverName}
@ -1017,20 +1028,20 @@ func (oAdmin *OvpnAdmin) mgmtGetActiveClients() []clientStatus {
}
func isUserConnected(username string, connectedUsers []clientStatus) (bool, string) {
for _, connectedUser := range connectedUsers {
if connectedUser.CommonName == username {
return true, connectedUser.ConnectedTo
}
}
return false, ""
for _, connectedUser := range connectedUsers {
if connectedUser.CommonName == username {
return true, connectedUser.ConnectedTo
}
}
return false, ""
}
func (oAdmin *OvpnAdmin) downloadCerts() bool {
if fExist(certsArchivePath) {
fDelete(certsArchivePath)
}
err := fDownload(certsArchivePath, *masterHost + downloadCertsApiUrl + "?token=" + oAdmin.masterSyncToken, oAdmin.masterHostBasicAuth)
if err != nil {
err := fDownload(certsArchivePath, *masterHost+downloadCertsApiUrl+"?token="+oAdmin.masterSyncToken, oAdmin.masterHostBasicAuth)
if err != nil {
log.Println(err)
return false
}
@ -1043,7 +1054,7 @@ func (oAdmin *OvpnAdmin) downloadCcd() bool {
fDelete(ccdArchivePath)
}
err := fDownload(ccdArchivePath, *masterHost + downloadCcdApiUrl + "?token=" + oAdmin.masterSyncToken, oAdmin.masterHostBasicAuth)
err := fDownload(ccdArchivePath, *masterHost+downloadCcdApiUrl+"?token="+oAdmin.masterSyncToken, oAdmin.masterHostBasicAuth)
if err != nil {
log.Println(err)
return false
@ -1053,24 +1064,24 @@ func (oAdmin *OvpnAdmin) downloadCcd() bool {
}
func archiveCerts() {
o := runBash(fmt.Sprintf("cd %s && tar -czf %s *", *easyrsaDirPath + "/pki", certsArchivePath ))
o := runBash(fmt.Sprintf("cd %s && tar -czf %s *", *easyrsaDirPath+"/pki", certsArchivePath))
fmt.Println(o)
}
func archiveCcd() {
o := runBash(fmt.Sprintf("cd %s && tar -czf %s *", *ccdDir, ccdArchivePath ))
o := runBash(fmt.Sprintf("cd %s && tar -czf %s *", *ccdDir, ccdArchivePath))
fmt.Println(o)
}
func unArchiveCerts() {
runBash(fmt.Sprintf("mkdir -p %s", *easyrsaDirPath + "/pki"))
o := runBash(fmt.Sprintf("cd %s && tar -xzf %s", *easyrsaDirPath + "/pki", certsArchivePath ))
runBash(fmt.Sprintf("mkdir -p %s", *easyrsaDirPath+"/pki"))
o := runBash(fmt.Sprintf("cd %s && tar -xzf %s", *easyrsaDirPath+"/pki", certsArchivePath))
fmt.Println(o)
}
func unArchiveCcd() {
runBash(fmt.Sprintf("mkdir -p %s", *ccdDir))
o := runBash(fmt.Sprintf("cd %s && tar -xzf %s", *ccdDir, ccdArchivePath ))
o := runBash(fmt.Sprintf("cd %s && tar -xzf %s", *ccdDir, ccdArchivePath))
fmt.Println(o)
}
@ -1112,10 +1123,10 @@ func (oAdmin *OvpnAdmin) syncDataFromMaster() {
}
func (oAdmin *OvpnAdmin) syncWithMaster() {
for {
for {
time.Sleep(time.Duration(*masterSyncFrequency) * time.Second)
oAdmin.syncDataFromMaster()
}
}
}
func getOvpnCaCertExpireDate() time.Time {
@ -1134,11 +1145,11 @@ func getOvpnCaCertExpireDate() time.Time {
// https://community.openvpn.net/openvpn/ticket/623
func crlFix() {
err1 := os.Chmod(*easyrsaDirPath + "/pki", 0755)
err1 := os.Chmod(*easyrsaDirPath+"/pki", 0755)
if err1 != nil {
log.Println(err1)
}
err2 := os.Chmod(*easyrsaDirPath + "/pki/crl.pem", 0644)
err2 := os.Chmod(*easyrsaDirPath+"/pki/crl.pem", 0644)
if err2 != nil {
log.Println(err2)
}

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