branding/templates/qtinstaller/config/config.xml

@@ -4,9 +4,11 @@
     <Version>$VERSION</Version>
     <Title>$APPNAME Installer ($VERSION)</Title>
     <Publisher>LEAP Encryption Access Project</Publisher>
+    <ProductUrl>https://leap.se</ProductUrl>
     <AllowNonAsciiCharacters>false</AllowNonAsciiCharacters>
     <Logo>installer-logo.png</Logo>
     <InstallerApplicationIcon>installer-icon</InstallerApplicationIcon>
+    <ControlScript>script.qs</ControlScript>
 
     <!--
     <RemoteRepositories>

branding/templates/qtinstaller/config/script.qs

+function Controller()
+{
+    console.log("Controller script called")
+}
+
+Controller.prototype.ComponentSelectionPageCallback = function()
+{
+    gui.clickButton(buttons.NextButton);
+}
+
+Controller.prototype.ReadyForInstallationPageCallback = function() {
+    console.log("Control script being called")
+    try {
+        var page = gui.pageWidgetByObjectName("DynamicInstallForAllUsersCheckBoxForm");
+        if(page) {
+            console.log("Control script being called")
+            var choice = page.installForAllCheckBox.checked ? "true" : "false";
+            installer.setValue("installForAllUsers", choice);
+        } 
+    } catch(e) {
+        console.log(e);
+    }
+}
\ No newline at end of file

branding/templates/qtinstaller/installer.pro

-!defined(INSTALLER, var):INSTALLER= "BitmaskVPN-Installer-git"
+!defined(INSTALLER, var):INSTALLER= "Bitmask-Installer-git"
+!defined(TARGET, var):TARGET= "bitmask-vpn"
 TEMPLATE = aux
 CONFIG -= debug_and_release
 
@@ -8,29 +9,15 @@ inst.output = $$INSTALLER
 inst.commands = binarycreator --ignore-translations -c $$PWD/config/config.xml -p $$PWD/packages ${QMAKE_FILE_OUT}
 inst.CONFIG += target_predeps no_link combine
 
+QMAKE_TARGET_BUNDLE_PREFIX = se.leap
+QMAKE_BUNDLE = $$TARGET
 QMAKE_EXTRA_COMPILERS += inst
 
-OTHER_FILES += \
-# watch out... it chokes with dashes in the path
-    packages/riseupvpn/meta/package.xml \
-    packages/riseupvpn/meta/install.js \
-    packages/riseupvpn/data/README.txt \
+# OTHER_FILES += \
 
 macx {
-    OTHER_FILES += "packages/riseupvpn/data/riseup-vpn.app"
-    OTHER_FILES += "packages/riseupvpn/data/bitmask-helper"
-    OTHER_FILES += "packages/riseupvpn/data/installer.py"
-    OTHER_FILES += "packages/riseupvpn/data/se.leap.bitmask-helper.plist"
-    OTHER_FILES += "packages/riseupvpn/data/openvpn.leap"
-    OTHER_FILES += "packages/riseupvpn/data/helper/bitmask.pf.conf"
-    OTHER_FILES += "packages/riseupvpn/data/client.up.sh"
-    OTHER_FILES += "packages/riseupvpn/data/client.down.sh"
 }
 linux {
-    OTHER_FILES += "packages/riseupvpn/data/riseup-vpn"
-    OTHER_FILES += "packages/riseupvpn/data/bitmask-helper"
 }
 win32{
-    OTHER_FILES += "packages/riseupvpn/data/riseup-vpn.exe"
-    OTHER_FILES += "packages/riseupvpn/data/helper.exe"
 }	

branding/templates/qtinstaller/osx-data/post-install.go

+package main
+
+import (
+	"bytes"
+	"errors"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"text/template"
+)
+
+/* Outline
+ * runs as root and setup the bitmask-helper privileged helper on macOS
+ * needs to perform the following steps:
+ *  1. check if running as root
+ *  2. setup the plist file with the correct path to bitmask-helper
+ *  3. install plist file in location
+ *  4. while doing the above make sure that existing helper is not running and removed
+ */
+const (
+	plistTemplate = `<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>WorkingDirectory</key>
+	<string>{{ .Path }}</string>
+	<key>StandardOutPath</key>
+	<string>{{ .Path }}/helper/bitmask-helper.log</string>
+	<key>StandardErrorPath</key>
+	<string>{{ .Path }}/helper/bitmask-helper-err.log</string>
+	<key>GroupName</key>
+	<string>daemon</string>
+	<key>RunAtLoad</key>
+	<true/>
+	<key>SessionCreate</key>
+	<true/>
+	<key>KeepAlive</key>
+    <true/>
+    <key>ThrottleInterval</key>
+    <integer>5</integer>
+    <key>Label</key>
+    <string>{{ .Label }}</string>
+    <key>ProgramArguments</key>
+    <array>
+        <string>{{ .Path }}/bitmask-helper</string>
+        <string>-socket-uid</string>
+        <string>{{.Uid}}</string>
+        <string>-socket-gid</string>
+        <string>{{.Gid}}</string>
+    </array>
+</dict>
+</plist>`
+
+	helperName = "bitmask-helper"
+
+	// -action flag values
+	actionPostInstall = "post-install"
+	actionUninstall   = "uninstall"
+
+	// -stage flag values
+	stagePre       = "preinstall"
+	stageUninstall = "uninstall"
+
+	// listening socket flag values
+	socketUid = "socket-uid"
+	socketGid = "socket-gid"
+)
+
+var (
+	curdir = func() string {
+		execPath, err := os.Executable()
+		if err != nil {
+			log.Printf("error getting executable path: %v", err)
+			return ""
+		}
+		return filepath.Dir(execPath)
+	}()
+
+	// flags
+	installerAction string
+	installerStage  string
+	appName         string
+
+	plistPath          string
+	launchdDaemonLabel string
+
+	uid int
+	gid int
+)
+
+func init() {
+	const (
+		action  = "action"
+		stage   = "stage"
+		appname = "appname"
+	)
+	var usageAction = fmt.Sprintf("the installer actions: %s", strings.Join([]string{actionPostInstall, actionUninstall}, ","))
+	var usageStage = "the installer action stage: preinstall, uninstall"
+	var usageAppName = "name of the application being installed this is used to form the app bundle name by appending .app to it"
+
+	flag.StringVar(&installerAction, action, "", usageAction)
+	flag.StringVar(&installerStage, stage, stageUninstall, usageStage)
+	flag.StringVar(&appName, appname, "", usageAppName)
+
+	flag.IntVar(&uid, socketUid, 0, "Helper unix socket UID")
+	flag.IntVar(&gid, socketGid, 0, "Helper unix socket GID")
+
+	flag.Parse()
+}
+
+func main() {
+	if os.Getuid() != 0 {
+		log.Fatal("not running as root")
+	}
+	if appName == "" || installerAction == "" {
+		log.Fatal("-action and -appname flags cannot be empty")
+	}
+
+	plistPath = fmt.Sprintf("/Library/LaunchDaemons/se.leap.helper.%s.plist", appName)
+	launchdDaemonLabel = fmt.Sprintf("se.leap.Helper.%s", appName)
+
+	switch installerAction {
+	case actionPostInstall:
+		if err := setupLogFile(filepath.Join(curdir, "post-install.log")); err != nil {
+			log.Fatal(err)
+		}
+		log.Println("running action: post-install")
+		if appBundlePath() == "" {
+			log.Fatal("could not find path to .app bundle")
+		}
+		err := postInstall()
+		if err != nil {
+			log.Fatal(err)
+		}
+	case actionUninstall:
+		log.Println("running action: uninstall")
+		uninstall(installerStage)
+	default:
+		log.Fatalf("unknown command supplied: %s", installerAction)
+	}
+}
+
+func appBundlePath() string {
+	path := filepath.Join(curdir, appName+".app")
+	_, err := os.Stat(path)
+	if err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			log.Printf("unable to find the app bundle path: %v", err)
+			return ""
+		}
+	}
+	return path
+}
+
+func setupLogFile(logFile string) error {
+	f, err := os.Create(logFile)
+	if err != nil {
+		return err
+	}
+	w := io.MultiWriter(os.Stdout, f)
+	log.SetOutput(w)
+	return nil
+}
+
+func postInstall() error {
+	if isHelperRunning() {
+		if err := unloadHelperPlist(); err != nil {
+			log.Println(err)
+		}
+	}
+
+	log.Println("Changing ownership of 'bitmask-helper'")
+	// change ownership of bitmask-helper to root
+	if err := os.Chown(filepath.Join(appBundlePath(), helperName), 0, 0); err != nil {
+		log.Println("error while changing ownership of 'bitmask-helper': ", err)
+	}
+	// copy launchd plist file to target location /Library/LaunchDaemons
+	log.Println("Generate plist file for helper launchd daemon")
+	plist, err := generatePlist()
+	if err != nil {
+		return err
+	}
+	log.Println(plist)
+	log.Println("Writing plist content to file")
+	fout, err := os.OpenFile(plistPath, os.O_CREATE|os.O_RDWR, 0644)
+	if err != nil {
+		return err
+	}
+	if n, err := io.WriteString(fout, plist); n < len(plist) || err != nil {
+		return fmt.Errorf("failed writing the plist file: %s: %v", fout.Name(), err)
+	}
+
+	// load the plist file onto launchd
+	log.Println("Loading plist file")
+	if err := loadHelperPlist(plistPath); err != nil {
+		log.Printf("error while loading launchd daemon: %s: %v\n", plistPath, err)
+	}
+
+	// change ownership of 'helper' dir
+	log.Println("Changing ownership of 'helper' dir")
+	if err := os.Chown(filepath.Join(appBundlePath(), "helper"), 0, 0); err != nil {
+		log.Println("error while changing ownership of dir 'helper': ", err)
+	}
+	return nil
+}
+
+func uninstall(stage string) {
+	switch stage {
+	case stagePre, stageUninstall:
+		if err := setupLogFile(filepath.Join("/tmp", fmt.Sprintf("bitmask-%s.log", stage))); err != nil {
+			log.Fatal(err)
+		}
+		if appBundlePath() == "" {
+			log.Fatal("could not find path to .app bundle")
+		}
+	default:
+		log.Fatal("unknow stage for uninstall: ", stage)
+	}
+
+	if isHelperRunning() {
+		if err := unloadHelperPlist(); err != nil {
+			log.Println("error while unloading launchd daemon: ", err)
+		}
+	}
+
+	if err := os.Remove(plistPath); err != nil {
+		log.Println("error while removing helper plist: ", err)
+	}
+}
+
+func isHelperRunning() bool {
+	cmd := exec.Command("ps", "-ceAo", "command")
+	out, err := cmd.Output()
+	if err != nil {
+		log.Println(err)
+		return false
+	}
+	processes := strings.Split(string(out), "\n")
+	for _, proc := range processes {
+		if strings.TrimSpace(proc) == "bitmask-helper" {
+			return true
+		}
+	}
+	return false
+}
+
+func loadHelperPlist(plistPath string) error {
+	cmd := exec.Command("launchctl", "load", plistPath)
+	_, err := cmd.Output()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func unloadHelperPlist() error {
+	cmd := exec.Command("launchctl", "unload", plistPath)
+	_, err := cmd.Output()
+	if err != nil {
+		return err
+	}
+	cmd = exec.Command("launchctl", "remove", launchdDaemonLabel)
+	_, _ = cmd.Output()
+	cmd = exec.Command("pkill", "-9", helperName)
+	_, err = cmd.Output()
+	return err
+}
+
+func generatePlist() (string, error) {
+
+	appPath := struct {
+		Path  string
+		Label string
+		Uid   int
+		Gid   int
+	}{
+		Path:  appBundlePath(),
+		Label: launchdDaemonLabel,
+		Uid:   uid,
+		Gid:   gid,
+	}
+
+	t, err := template.New("plist").Parse(plistTemplate)
+	if err != nil {
+		return "", err
+	}
+
+	plistContent := &bytes.Buffer{}
+	err = t.Execute(plistContent, appPath)
+	if err != nil {
+		return "", err
+	}
+
+	return plistContent.String(), nil
+}

branding/templates/qtinstaller/osx-data/post-install.py

-#!/usr/bin/env python
-
-# Post installation script for BitmaskVPN.
-# Please note that this installation will install ONE single helper with administrative privileges.
-# This means that, for the time being, you can only install ONE of the BitmaskVPN derivatives at the same time.
-# This might change in the future.
-
-import os
-import shutil
-import sys
-import subprocess
-
-HELPER = "bitmask-helper"
-HELPER_PLIST = "/Library/LaunchDaemons/se.leap.bitmask-helper.plist"
-
-_dir = os.path.dirname(os.path.realpath(__file__))
-
-def main():
-    log = open(os.path.join(_dir, 'post-install.log'), 'w')
-    log.write('Checking for admin privileges...\n')
-
-    _id = os.getuid()
-    if _id != 0:
-      err  = "error: need to run as root. UID: %s\n" % str(_id)
-      logErr(log, err)
-    
-    # failure: sys.exit(1)
-    
-    if isHelperRunning():
-        log.write("Trying to stop bitmask-helper...\n")
-	# if this fail, we can check if the HELPER_PLIST is there
-        ok = unloadHelper()
-        log.write("success: %s \n" % str(ok))
-
-    ok = fixHelperOwner(log)
-    log.write("chown helper: %s \n" % str(ok))
-
-    log.write("Copy launch daemon...\n")
-    copyLaunchDaemon()
-
-    log.write("Trying to launch helper...\n")
-    out = launchHelper()
-    log.write("result: %s \n" % str(out))
-
-    grantPermissionsOnLogFolder()
-    
-    # all done
-    log.write('post-install script: done\n')
-    sys.exit(0)
-
-
-def logErr(log, msg):
-    log.write(msg)
-    sys.exit(1)
-
-def isHelperRunning():
-    ps = _getProcessList()
-    return HELPER in ps 
-
-def unloadHelper():
-    out = subprocess.call(["launchctl", "unload", HELPER_PLIST])
-    out2 = subprocess.call(["pkill", "-9", "bitmask-helper"])  # just in case
-    return out == 0
-
-def fixHelperOwner(log):
-    path = os.path.join(_dir, HELPER)
-    try:
-        os.chown(path, 0, 0)
-    except OSError as exc:
-        log.write(str(exc))
-        return False
-    return True
-
-def copyLaunchDaemon():
-    plist = "se.leap.bitmask-helper.plist"
-    path = os.path.join(_dir, plist)
-    _p = _dir.replace("/", "\/")
-    subprocess.call(["sed", "-i.back", "s/PATH/%s/" % _p, path])
-    shutil.copy(path, HELPER_PLIST)
-
-def launchHelper():
-    out = subprocess.call(["launchctl", "load", HELPER_PLIST])
-    return out == 0
-
-def grantPermissionsOnLogFolder():
-    helperDir = os.path.join(_dir, 'helper')
-    try:
-        os.makedirs(helperDir)
-    except Exception:
-        pass
-    os.chown(helperDir, 0, 0)
-
-def _getProcessList():
-    _out = []
-    output = subprocess.Popen(["ps", "-ceA"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    stdout, stderr = output.communicate()
-    for line  in stdout.split('\n'):
-        cmd = line.split(' ')[-1]
-        _out.append(cmd.strip())
-    return _out
-
-if __name__ == "__main__":
-    main()

branding/templates/qtinstaller/osx-data/se.leap.bitmask-helper.plist

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>WorkingDirectory</key>
-	<string>PATH</string>
-	<key>StandardOutPath</key>
-	<string>PATH/helper/bitmask-helper.log</string>
-	<key>StandardErrorPath</key>
-	<string>PATH/helper/bitmask-helper-err.log</string>
-	<key>GroupName</key>
-	<string>daemon</string>
-	<key>RunAtLoad</key>
-	<true/>
-	<key>SessionCreate</key>
-	<true/>
-	<key>KeepAlive</key>
-    <true/>
-    <key>ThrottleInterval</key>
-    <integer>5</integer>
-    <key>Label</key>
-	<string>se.leap.BitmaskHelper</string>
-	<key>Program</key>
-    <string>PATH/bitmask-helper</string>
-</dict>
-</plist>

branding/templates/qtinstaller/osx-data/uninstall.py

-#!/usr/bin/env python
-
-# Uninstall script for BitmaskVPN.
-
-import os
-import shutil
-import sys
-import subprocess
-
-HELPER = "bitmask-helper"
-HELPER_PLIST = "/Library/LaunchDaemons/se.leap.bitmask-helper.plist"
-
-_dir = os.path.dirname(os.path.realpath(__file__))
-
-def main():
-    log = open(os.path.join('/tmp', 'bitmask-uninstall.log'), 'w')
-    log.write('Checking for admin privileges...\n')
-
-    _id = os.getuid()
-    log.write("UID: %s\n" % str(_id))
-    if int(_id) != 0:
-      err  = "error: need to run as root. UID: %s\n" % str(_id)
-      logErr(log, err)
-    
-    # failure: sys.exit(1)
-
-    log.write('Checking if helper is running')
-    
-    if isHelperRunning():
-        log.write("Trying to stop bitmask-helper...\n")
-	# if this fail, we can check if the HELPER_PLIST is there
-        ok = unloadHelper()
-        log.write("success: %s \n" % str(ok))
-
-    log.write("Removing LaunchDaemon")
-    out = removeLaunchDaemon()
-    log.write("result: %s \n" % str(out))
-    
-    # all done
-    log.write('uninstall script: done\n')
-    sys.exit(0)
-
-
-def logErr(log, msg):
-    log.write(msg)
-    sys.exit(1)
-
-def isHelperRunning():
-    ps = _getProcessList()
-    return HELPER in ps 
-
-def unloadHelper():
-    out = subprocess.call(["launchctl", "unload", HELPER_PLIST])
-    out2 = subprocess.call(["pkill", "-9", "bitmask-helper"])  # just in case
-    return out == 0
-
-def removeLaunchDaemon():
-    return subprocess.call(["rm", "-f", HELPER_PLIST])
-
-def _getProcessList():
-    _out = []
-    output = subprocess.Popen(["ps", "-ceA"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    stdout, stderr = output.communicate()
-    for line  in stdout.split('\n'):
-        cmd = line.split(' ')[-1]
-        _out.append(cmd.strip())
-    return _out
-
-if __name__ == "__main__":
-    main()

branding/templates/qtinstaller/packages/bitmaskvpn/meta/install.js

@@ -9,6 +9,15 @@ function majorVersion(str)
     return parseInt(str.split(".", 1));
 }
 
+// from: https://forum.qt.io/topic/114975/qt-installerframework-is-altering-my-string-slashes
+var Dir = new function () {
+    this.toNativeSeparator = function (path) {
+        if (installer.value("os") == "win")
+            return path.replace(/\//g, '\\');
+        return path;
+    }
+};
+
 function cancelInstaller(message)
 {
     installer.setDefaultPageVisible(QInstaller.Introduction, false);
@@ -24,12 +33,31 @@ function cancelInstaller(message)
 }
 
 function Component() {
-    // Check whether OS is supported.
-    // start installer with -v to see debug output
+    if (systemInfo.productType === "macos") {
+        var uid = installer.execute("/usr/bin/id", ["-u"])[0]
+        var gid = installer.execute("/usr/bin/id", ["-g"])[0]
+        installer.setValue("HelperSocketUid", uid.trim())
+        installer.setValue("HelperSocketGid", gid.trim())
+
+        console.log("UID: " + uid)
+        console.log("GID: " + gid)
+    }
+
+    installer.gainAdminRights();
 
     console.log("OS: " + systemInfo.productType);
     console.log("Kernel: " + systemInfo.kernelType + "/" + systemInfo.kernelVersion);
 
+    installer.setDefaultPageVisible(QInstaller.TargetDirectory, false);
+
+    if (installer.isInstaller()) {
+        console.log("Checking for existing installation")
+        component.loaded.connect(this, Component.prototype.installerLoaded);
+    }
+
+    // Check whether OS is supported.
+    // start installer with -v to see debug output
+
     var validOs = false;
 
     if (systemInfo.kernelType === "winnt") {
@@ -54,10 +82,19 @@ function Component() {
     }
     console.log("CPU Architecture: " +  systemInfo.currentCpuArchitecture);
 
+    if (systemInfo.productType === "windows") {
+        installer.addWizardPage(component, "InstallForAllUsersCheckBoxForm", QInstaller.LicenseCheck);
+    }
 }
 
 Component.prototype.createOperations = function ()
 {
+    if (systemInfo.productType === "macos") {
+        preInstallOSX();
+    }
+    if (systemInfo.productType === "windows") {
+        preInstallWindows();
+    }
     // This will actually install the files
     component.createOperations();
 
@@ -67,55 +104,122 @@ Component.prototype.createOperations = function ()
     // We can also use this to register different components (different architecture for instance)
     // See https://doc.qt.io/qtinstallerframework/qt-installer-framework-systeminfo-packages-root-meta-installscript-qs.html
 
+    console.log("installForAllUsers value: " + installer.value("installForAllUsers"));
     if (systemInfo.productType === "windows") {
         postInstallWindows();
-    } else if (systemInfo.productType === "osx") {
+        if (installer.value("installForAllUsers") === "true") {
+            installForAllUsersWindows()
+        }
+    } else if (systemInfo.productType === "macos") {
+        uninstallOSX();
         postInstallOSX();
     } else {
         postInstallLinux();
     }
 }
 
-Component.prototype.installationFinished = function()
-{
-    console.log("DEBUG: running installationFinished");
-    if (installer.isInstaller() && installer.status == QInstaller.Success) {
-        var argList = ["-a", "@TargetDir@/$APPNAME.app"];
-        try {
-            installer.execute("touch", ["/tmp/install-finished"]);
-            installer.execute("open", argList);
-        } catch(e) {
-            console.log(e);
+Component.prototype.installerLoaded = function () {
+    var dir = installer.value("TargetDir")
+    var maintenancetoolPath = Dir.toNativeSeparator(dir + "/uninstall.exe")
+    if (systemInfo.productType == "macos") {
+        maintenancetoolPath = Dir.toNativeSeparator(dir + "/uninstall.app" + "/Contents/MacOS/uninstall")
+    }
+    if (installer.fileExists(dir) && installer.fileExists(maintenancetoolPath)) {
+        console.log("Found existing installation at: " + dir)
+        var result = QMessageBox.warning("uninstallprevious.critical", "Uninstall previous version", "To proceed existing installation needs to be removed. Click OK to remove existing installation.",
+            QMessageBox.Ok | QMessageBox.Cancel);
+        if (result == QMessageBox.Ok) {
+            console.log("Running uninstall using maintenance tool at: " + maintenancetoolPath)
+            installer.execute(maintenancetoolPath, ["purge", "-c"]);
+        }
+        if (result == QMessageBox.Cancel) {
+            cancelInstaller("Need to removed existing installation to proceed.");
         }
     }
 }
 
+function preInstallWindows() {
+    console.log("Pre-installation for Windows: check for running bitmask");
+    component.addOperation(
+        "Execute", "{1}", "powershell", "-NonInteractive", "-NoProfile", "-command", "try {Get-Process $BINNAME -ErrorAction Stop} catch { exit 1}",
+        "errormessage=It seems that an old $APPNAME client is running. Please exit the app and run this installer again.",
+    );
+    /* Remove-Service only introduced in PS 6.0 */
+    component.addElevatedOperation(
+        "Execute", "{0}", "powershell", "-NonInteractive", "-NoProfile", "-command",
+        "try {Get-Service bitmask-helper-v2} catch {exit 0}; try {Stop-Service bitmask-helper-v2} catch {}; try {$$srv = Get-Service bitmask-helper-v2; if ($$srv.Status -eq 'Running') {exit 1} else {exit 0};} catch {exit 0}",
+        "errormessage=It seems that bitmask-helper-v2 service is running, and we could not stop it. Please manually uninstall any previous $APPNAME client and run this installer again.",
+    );
+}
+
 function postInstallWindows() {
-    console.log("Installing OpenVPN tap driver");
-    component.addElevatedOperation("Execute", "@TargetDir@/tap-windows.exe", "/S", "/SELECT_UTILITIES=1");  /* TODO uninstall? */
-    console.log("Now trying to install our helper");
-    component.addElevatedOperation("Execute", "@TargetDir@/helper.exe", "install", "UNDOEXECUTE", "@TargetDir@/helper.exe", "remove");
-    component.addElevatedOperation("Execute", "@TargetDir@/helper.exe", "start", "UNDOEXECUTE", "@TargetDir@/helper.exe", "stop");
-    console.log("Adding shortcut entries/...");
+    // TODO - we probably need to package different flavors of the installer for windows 8, arm, i386 etc, and change the installer we ship too.
+    var openVpnMsi = Dir.toNativeSeparator(installer.value("TargetDir") + "/openvpn-installer.msi")
+    console.log("Installing OpenVPN binaries and service");
+    component.addElevatedOperation("Execute", "{0}", "msiexec", "/i", openVpnMsi, "ADDLOCAL=OpenVPN.Service,OpenVPN,Drivers,Drivers.TAPWindows6,Drivers.Wintun", "/passive")
+    console.log("Adding shortcut entries...");
     component.addElevatedOperation("Mkdir", "@StartMenuDir@");
-    component.addElevatedOperation("CreateShortcut", "@TargetDir@/$BINNAME.exe", "@StartMenuDir@/$APPNAME.lnk", "workingDirectory=@TargetDir@", "iconPath=@TargetDir@/icon.ico", "description=Start $APPNAME");
+    component.addElevatedOperation("CreateShortcut", "@TargetDir@\\$BINNAME.exe", "@StartMenuDir@\\$APPNAME.lnk", "workingDirectory=@TargetDir@", "iconPath=@TargetDir@\\icon.ico", "description=Start $APPNAME");
 
     // TODO I think this one is not being created because the path doesn't exist yet. We might want to do this by hooking on the installation finished signal instead.
     component.addElevatedOperation(
         "CreateShortcut",
-        "@TargetDir@/Uninstall-$APPNAME.exe",
-        "@StartMenuDir@/Uninstall.lnk"
+        "@TargetDir@\\Uninstall-$APPNAME.exe",
+        "@StartMenuDir@\\Uninstall.lnk"
+    );
+}
+
+function installForAllUsersWindows() {
+    component.addElevatedOperation(
+        "Execute", "{0}", "powershell", "-NonInteractive", "-NoProfile", "-command",
+        "try {New-LocalGroup -Name 'OpenVPN Administrators' -Description 'Group to allow use of openvpn' -ErrorAction Stop} catch [Microsoft.PowerShell.Commands.GroupExistsException] { exit 0 }",
+        "errormessage=Unable to create the 'OpenVPN Administrators' group.",
+        "UNDOEXECUTE", "{0}", "powershell", "-NonInteractive", "-NoProfile", "-command",
+        "try { Remove-LocalGroup -Name 'OpenVPN Administrators' -ErrorAction Stop } catch [Microsoft.PowerShell.Commands.GroupNotFoundException] { exit 0 }",
+        "errormessage=Unable to remove the 'OpenVPN Administrator' group."
+    );
+
+    component.addElevatedOperation(
+        "Execute", "{0}", "powershell", "-NonInteractive", "-NoProfile", "-command",
+        "$$users=(Get-LocalUser | Select-Object Name | where {$$_.Name -NotMatch 'Administrator' -and $$_.Name -NotMatch 'Guest' -and $$_.Name -NotMatch 'DefaultAccount' -and $$_.Name -NotMatch 'WDAGUtilityAccount'}); try {Add-LocalGroupMember -Group 'OpenVPN Administrators' -Member $$users -ErrorAction Stop} catch [Microsoft.PowerShell.Commands.MemberExistsException] {exit 0}",
+        "errormessage=Unable to add users to the 'OpenVPN Administrators' group."
+    );
+}
+
+function preInstallOSX() {
+    console.log("Pre-installation for OSX: check for running bitmask");
+    component.addOperation(
+        "Execute", "{1}", "pgrep", "bitmask-vpn$$", /* $$$$ is escaped by python template: the old app binary was called bitmask-vpn */ 
+        "errormessage=It seems that an old RiseupVPN client is running. Please exit the app and run this installer again.",
+    );
+    component.addOperation(
+        "Execute", "{1}", "pgrep", "bitmask$$", /* $$$$ is escaped by python template: we don't want to catch bitmask app */
+        "errormessage=It seems RiseupVPN, CalyxVPN or LibraryVPN are running. Please exit the app and run this installer again.",
+        "UNDOEXECUTE", "{1}", "pgrep", "bitmask$$", /* $$$$ is escaped: we dont want bitmask app */
+        "errormessage=It seems RiseupVPN, CalyxVPN or LibraryVPN are running. Please exit the app before trying to run the uninstaller again."
+    );
+}
+
+function uninstallOSX() {
+    console.log("Pre-installation for OSX: uninstall previous helpers");
+    // TODO use installer filepath??
+    component.addElevatedOperation(
+        "Execute", "{0}",
+        "@TargetDir@/post-install", "-action=uninstall", "-stage=preinstall", "-appname=@ProductName@",
+        "errormessage=There was an error during the pre-installation script, things might be broken. Please report this error and attach /tmp/bitmask-uninstall.log"
     );
 }
 
 function postInstallOSX() {
+    var uid = installer.value("HelperSocketUid")
+    var gid = installer.value("HelperSocketGid")
     console.log("Post-installation for OSX");
     component.addElevatedOperation(
-	"Execute", "{0}",
-   	"@TargetDir@/post-install.py",
-	"errormessage=There was an error during the post-installation script, things might be broken. Please report this error and attach the post-install.log file.",
+        "Execute", "{0}",
+        "@TargetDir@/post-install", "-action=post-install", "-appname=@ProductName@", "-socket-uid=" + uid, "-socket-gid=" + gid,
+        "errormessage=There was an error during the post-installation script, things might be broken. Please report this error and attach the post-install.log file.",
         "UNDOEXECUTE",
-        "@TargetDir@/uninstall.py"
+        "@TargetDir@/post-install", "-action=uninstall", "-appname=@ProductName@"
     );
 }
 
@@ -124,3 +228,12 @@ function postInstallLinux() {
     console.log("Maybe you want to use your package manager instead?");
     component.addOperation("AppendFile", "/tmp/bitmask-installer.log", "this is a test - written from the installer");
 }
+
+function uninstallWindows() {
+    console.log("uninstall for windows: remove openvpn administrators group")
+
+    component.addElevatedOperation(
+        "Execute", "{0}", "powershell", "-NonInteractive", "-NoProfile", "-command",
+        "Remove-LocalGroup -Name 'OpenVPN Administrator' -ErrorAction Ignore",
+    );
+}

branding/templates/qtinstaller/packages/bitmaskvpn/meta/installforallcheckbox.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+    <class>InstallForAllUsersCheckBoxForm</class>
+    <widget class="QWidget" name="InstallForAllUsersCheckBoxForm">
+        <property name="geometry">
+            <rect>
+                <x>0</x>
+                <y>0</y>
+                <width>412</width>
+                <height>179</height>
+            </rect>
+        </property>
+        <property name="windowTitle">
+            <string>Select Installation Mode</string>
+        </property>
+        <layout class="QVBoxLayout" name="verticalLayout">
+            <property name="margin">
+                <number>10</number>
+            </property>
+            <item>
+                <widget class="QCheckBox" name="installForAllCheckBox">
+                    <property name="font">
+                        <font>
+                            <weight>75</weight>
+                            <bold>true</bold>
+                        </font>
+                    </property>
+                    <property name="text">
+                        <string>Install for All Users on this Computer</string>
+                    </property>
+                    <property name="checked">
+                        <bool>false</bool>
+                    </property>
+                </widget>
+            </item>
+            <item>
+                <widget class="QLabel" name="allUsersLabel">
+                    <property name="text">
+                        <string>The application will be installed for all users on this machine. All users will be added to the OpenVPN Administrators group to enable interaction with OpenVPN.</string>
+                    </property>
+                    <property name="wordWrap">
+                        <bool>true</bool>
+                    </property>
+                    <property name="indent">
+                        <number>25</number>
+                    </property>
+                </widget>
+            </item>
+        </layout>
+    </widget>
+    <resources />
+    <connections />
+</ui>
\ No newline at end of file

branding/templates/qtinstaller/packages/bitmaskvpn/meta/package.xml

@@ -7,5 +7,11 @@
     <Default>false</Default>
     <RequiresAdminRights>true</RequiresAdminRights>
     <Script>install.js</Script>
+    <Licenses>
+        <License name="License Agreement" file="LICENSE.txt" />
+    </Licenses>
     <ForcedInstallation>true</ForcedInstallation>
+    <UserInterfaces>
+        <UserInterface>installforallcheckbox.ui</UserInterface>
+    </UserInterfaces>
 </Package>

branding/templates/snap/hooks/install

@@ -6,11 +6,11 @@
 # by the script at "snap/pre/pack_installers"
 import subprocess
 import os
-from base64 import decodestring as decode
+from base64 import decodebytes as decode
 
 POLKIT = b'PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPCFET0NUWVBFIHBvbGljeWNv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\nb25maWc+Cg==\n'
 
-with open('/usr/share/polkit-1/actions/se.leap.bitmask.riseupvpn.policy', 'w') as polkit:
+with open('/usr/share/polkit-1/actions/se.leap.bitmask.riseup-vpn.policy', 'w') as polkit:
     lines = decode(POLKIT).split(b"\n")
     for line in lines:
         polkit.write(line.decode() + "\n")

branding/templates/snap/hooks/remove

 #!/bin/sh
 
 echo "Executing remove hook for RiseupVPN"
-rm "/usr/share/polkit-1/actions/se.leap.bitmask.riseupvpn.policy"
+rm "/usr/share/polkit-1/actions/se.leap.bitmask.riseup-vpn.policy"
 unlink "/usr/share/applications/riseup-vpn.desktop" || echo "did not remove workaround for global desktop entry"
 echo "done"

branding/templates/snap/local/pre/pack_installers

 #!/usr/bin/env python3
 import os
 import subprocess
-from base64 import encodestring as encode
+from base64 import encodebytes as encode
 
 HELPDIR = '../../../../../helpers'
 INSTALL = '../../hooks/install'
@@ -21,7 +21,7 @@ with open(INSTALL, 'w') as install:
     install.write('# by the script at "snap/local/pre/pack_installers"\n')
     install.write('import subprocess\n')
     install.write('import os\n')
-    install.write('from base64 import decodestring as decode\n')
+    install.write('from base64 import decodebytes as decode\n')
     install.write("""
 POLKIT = {polkit}
 

branding/templates/snap/snapcraft-template.yaml

@@ -8,17 +8,21 @@ description: |
 grade: stable
 confinement: classic
 icon: snap/gui/icon.svg 
-base: core20
+base: core22
+compression: lzo
 
-parts:
+architectures:
+  - build-on: amd64
+  - build-on: i386
 
+parts:
   bitmask-root:
     plugin: dump
-    source: helpers
+    source: pkg
     source-type: local
     override-prime: |
       mkdir -p bin
-      cp $SNAPCRAFT_PART_SRC/bitmask-root bin/
+      cp $SNAPCRAFT_PART_SRC/pickle/helpers/bitmask-root bin/
       chmod +x bin/bitmask-root
 
   openvpn:
@@ -30,8 +34,12 @@ parts:
 
   bitmask-vpn:
     plugin: nil
+    build-attributes:
+      - enable-patchelf
     source: .
     source-type: local
+    build-environment:
+      - QMAKE: qmake6
     stage:
         - bin/${binaryName}
     override-build: |
@@ -39,90 +47,193 @@ parts:
         # Maybe we just need to put the providers.json in the VENDOR_PATH
         # and pass it to gui/providers from some path that snap can access.
         # Same for the vendor.qrc
+        update-alternatives --install /usr/bin/gofmt gofmt /usr/lib/go-1.21/bin/gofmt 0
+        update-alternatives --install /usr/bin/go go /usr/lib/go-1.21/bin/go 0
+        ln -s $(qmake6 -query "QT_INSTALL_BINS")/lrelease /usr/local/bin/lrelease
         mkdir -p $SNAPCRAFT_PART_INSTALL/snap/
         mkdir -p $SNAPCRAFT_PRIME/snap/
-        echo ${version} > $SNAPCRAFT_PRIME/snap/version.txt
-        make build_golib
-        QT_SELECT=5 XBUILD=no TARGET=${binaryName} make build_gui
+        make vendor
+        make build
         mkdir -p $SNAPCRAFT_PART_INSTALL/bin
         mv build/qt/release/${binaryName} $SNAPCRAFT_PART_INSTALL/bin/
-    override-prime: |
-      rm -rf $SNAPCRAFT_PROJECT_DIR/snap/hooks/.mypy_cache
-      snapcraftctl prime
     build-packages:
       - pkg-config
       - g++
-      - golang
+      - golang-1.21-go
       - git
       - make
-      - qt5-qmake
-      - qttools5-dev-tools
-      - qtdeclarative5-dev
-    stage-packages:  # for some reason they're not picked from here - duplicating in desktop-qt5.
-      - libqt5qml5
-      - libqt5quick5
-      - qml-module-qtquick-controls
-      - qml-module-qtquick-dialogs
-      - qml-module-qtquick-extras
-      - qml-module-qt-labs-qmlmodels
-      - qml-module-qt-labs-platform
-    after: [desktop-qt5]
-
-  desktop-qt5:
-    source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
-    source-subdir: qt
-    plugin: make
-    make-parameters: ["FLAVOR=qt5"]
-    build-packages:
-      - build-essential
-      - qtbase5-dev
-      - dpkg-dev
+      - qt6-tools-dev-tools
+      - qt6-tools-dev
+      - qml-module-qtquick-controls2
+      - libqt6qml6
+      - libqt6svg6-dev
+      - qt6-l10n-tools
+      - qt6-base-dev
+      - qt6-base-dev-tools
+      - qt6-declarative-dev
+      - qt6-declarative-dev-tools
+      - libgl1-mesa-dev
+      - libqt6core5compat6-dev
+      - libglu1-mesa-dev
+      - libqt6opengl6-dev
     stage-packages:
+      - qml6-module-qtquick
+      - qml6-module-qt5compat-graphicaleffects
+      - qml6-module-qtquick-controls
+      - qml6-module-qtquick-dialogs
+      - qml6-module-qtquick-layouts
+      - qml6-module-qtqml-workerscript
+      - qml6-module-qtquick-templates
+      - qml6-module-qtquick-window
+      - qml6-module-qt-labs-platform
+      - qml6-module-qtcore
+      - qt6-wayland
+      - libopengl0
+      - libqt6core6
+      - libqt6dbus6
+      - libqt6gui6
+      - libqt6network6
+      - libqt6qml6
+      - libqt6widgets6
+      - libb2-1
+      - libdouble-conversion3
+      - libgomp1
+      - libmd4c0
+      - libpcre2-16-0
+      - libproxy1v5
       - libxkbcommon0
-      - ttf-ubuntu-font-family
-      - dmz-cursor-theme
-      - light-themes
-      - adwaita-icon-theme
-      - gnome-themes-standard
-      - shared-mime-info
-      - locales-all
-      - xdg-user-dirs
-      - fcitx-frontend-qt5
-      - libxcb1
-      - libqt5gui5
+  # gsettings, pixbuf and immodules are not needed by all snaps,
+  # but they are so common a requirement include them here
+  gsettings+pixbuf+immodules:
+    plugin: nil
+    build-packages:
       - libgdk-pixbuf2.0-0
-      - libqt5svg5
-      - libqt5qml5
-      - libqt5quick5
-      - qml-module-qtquick2
-      - qml-module-qtquick-controls
-      - qml-module-qtquick-dialogs
-      - qml-module-qtquick-extras
-      - qml-module-qt-labs-platform
-      - qml-module-qt-labs-qmlmodels
-      - try: [appmenu-qt5] # not available on core18
+      - librsvg2-common
+      - shared-mime-info
+      - libgtk-3-0
+    override-build: |
+      craftctl default
+      # Update mime database
+      update-mime-database ${CRAFT_PART_INSTALL}/usr/share/mime
+      # build immodules cache
+      mkdir -p ${CRAFT_PART_INSTALL}/usr/lib/${CRAFT_ARCH_TRIPLET}/gtk-3.0/3.0.0/
+      /usr/lib/${CRAFT_ARCH_TRIPLET}/libgtk-3-0/gtk-query-immodules-3.0 > ${CRAFT_PART_INSTALL}/usr/lib/${CRAFT_ARCH_TRIPLET}/gtk-3.0/3.0.0/immodules.cache
+    stage-packages:
+      - librsvg2-common
+      - gsettings-desktop-schemas
+      - libglib2.0-bin
+    override-prime: |
+      craftctl default
+      # Compile the gsettings schemas
+      /usr/lib/${CRAFT_ARCH_TRIPLET}/glib-2.0/glib-compile-schemas "$CRAFT_PRIME/usr/share/glib-2.0/schemas"
+      # Index the pixbuf loaders
+      LOADERS_PATH=$(echo ${CRAFT_PRIME}/usr/lib/${CRAFT_ARCH_TRIPLET}/gdk-pixbuf-2.0/*/loaders)
+      QUERY_LOADERS=/usr/lib/${CRAFT_ARCH_TRIPLET}/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders
+      GDK_PIXBUF_MODULEDIR=${LOADERS_PATH} ${QUERY_LOADERS} > ${LOADERS_PATH}/../loaders.cache
+      sed s!$CRAFT_PRIME!!g --in-place ${LOADERS_PATH}/../loaders.cache
+  setup:
+    plugin: dump
+    source: https://github.com/canonical/iot-example-graphical-snap.git 
+    source-subdir: wayland-launch
+    override-build: |
+      # The plugs needed to run Wayland. (wayland-launch checks them, setup.sh connects them)
+      # You may add further plugs here if you want these options
+      PLUGS="opengl wayland graphics-core22"
+      sed --in-place "s/%PLUGS%/$PLUGS/g" $CRAFT_PART_BUILD/wayland-launch/bin/wayland-launch
+      sed --in-place "s/%PLUGS%/$PLUGS/g" $CRAFT_PART_BUILD/wayland-launch/bin/setup.sh
+      craftctl default
+    stage-packages:
+      - inotify-tools
 
-apps:
+  graphics-core22:
+    after:
+      # Your application packaging
+      - gsettings+pixbuf+immodules
+      - setup
+      - bitmask-vpn
+    source: https://github.com/MirServer/graphics-core22.git
+    plugin: dump
+    override-prime: |
+      craftctl default
+      ${CRAFT_PART_SRC}/bin/graphics-core22-cleanup mesa-core22 nvidia-core22
+      cd "$CRAFT_PRIME/usr/share/"
+      rm -rf bug drirc.d glvnd libdrm lintian man
+      rm -rf applications apport bash-completion dbus-1 doc-base doc gtk-doc\
+             help pkgconfig libthai metainfo themes thumbnailers xml
+    prime:
+      - bin/graphics-core22-wrapper
 
+apps:
   bitmask-root:
     command: bin/bitmask-root
 
   openvpn:
     command: usr/sbin/openvpn
-    environment:
-      LD_LIBRARY_PATH: &library-path
-          $SNAP/lib:$SNAP/lib/$SNAPCRAFT_ARCH_TRIPLET:$SNAP/usr/lib:$SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET
 
   launcher:
-    command: bin/${binaryName}
-    environment:
-      QT_PLUGIN_PATH: &path
-        $SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/plugins:$SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/qml
-      LD_LIBRARY_PATH:
-        $SNAP/lib:$SNAP/lib/$SNAPCRAFT_ARCH_TRIPLET:$SNAP/usr/lib:$SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET:$LD_LIBRARY_PATH
-      QML2_IMPORT_PATH:
-        $SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/qml
-      # debug -------------
-      #QT_DEBUG_PLUGINS: 1
-      SNAP_DESKTOP_DEBUG: 1
-      # debug -------------
+    command-chain: &_command-chain
+      - bin/graphics-core22-wrapper
+      - bin/wayland-launch
+    command: &_command bin/${binaryName}
+    plugs: &_plugs
+      - opengl
+      - wayland
+    environment: &_environment
+      # These environment variables are typically needed by Qt applications to ensue the snapped version of
+      # Qt components are found and used
+      QT_QPA_PLATFORM: wayland
+      QT_PLUGIN_PATH: ${SNAP}/usr/lib/${SNAPCRAFT_ARCH_TRIPLET}/qt6/plugins/
+      QT_QPA_PLATFORM_PLUGIN_PATH: ${SNAP}/usr/lib/${SNAPCRAFT_ARCH_TRIPLET}/qt6/plugins/platforms/
+      QML2_IMPORT_PATH: ${SNAP}/usr/lib/${SNAPCRAFT_ARCH_TRIPLET}/qt6/qml
+  daemon:
+    daemon: simple
+    restart-delay: 3s
+    restart-condition: always
+    command-chain: *_command-chain
+    command: *_command
+    plugs: *_plugs
+    environment: *_environment
+# This is one of four snippets that relate to providing the userspace graphics needed by your application.
+# You can treat this as "magic" so long as you don't need to make changes.
+# On the Mir website there's a lot more detail on [the graphics-core22 Snap interface](https://mir-server.io/docs/the-graphics-core22-snap-interface) and it's use.
+plugs:
+  graphics-core22:
+    interface: content
+    target: $SNAP/graphics
+    default-provider: mesa-core22
+
+environment:
+  # Other, generally useful environment settings...
+  # XDG config
+  XDG_CACHE_HOME:  $SNAP_USER_COMMON/.cache
+  XDG_CONFIG_HOME: $SNAP_USER_DATA/.config
+  XDG_CONFIG_DIRS: $SNAP/etc/xdg
+  XDG_DATA_DIRS:   $SNAP/usr/local/share:$SNAP/usr/share
+  # XKB config
+  XKB_CONFIG_ROOT: $SNAP/usr/share/X11/xkb
+
+# The `layout` ensures that files can be found by applications where they are expected by the toolkit or application.
+layout:
+  /usr/share/libdrm:
+    bind: $SNAP/graphics/libdrm
+  /usr/share/drirc.d:
+    symlink: $SNAP/graphics/drirc.d
+  # Other, generally useful paths
+  /usr/share/fonts:
+    bind: $SNAP/usr/share/fonts
+  /usr/share/icons:
+    bind: $SNAP/usr/share/icons
+  /usr/share/sounds:
+    bind: $SNAP/usr/share/sounds
+  /etc/fonts:
+    bind: $SNAP/etc/fonts
+  # GTK
+  /usr/lib/$CRAFT_ARCH_TRIPLET/gdk-pixbuf-2.0:
+    bind: $SNAP/usr/lib/$CRAFT_ARCH_TRIPLET/gdk-pixbuf-2.0
+  /usr/lib/${CRAFT_ARCH_TRIPLET}/gtk-3.0:
+    bind: $SNAP/usr/lib/${CRAFT_ARCH_TRIPLET}/gtk-3.0
+  /usr/share/mime:
+    bind: $SNAP/usr/share/mime
+  /etc/gtk-3.0:
+    bind: $SNAP/etc/gtk-3.0
+

branding/thirdparty/openvpn/build_openvpn.sh

@@ -4,18 +4,21 @@
 # Builds OpenVPN statically against mbedtls (aka polarssl).
 # Requirements:  cmake
 # Output: ~/openvpn_build/sbin/openvpn-x.y.z
+# License: GPLv3 or later
 #############################################################################
 
 set -e
 #set -x
 
 # [!] This needs to be updated for every release --------------------------
-OPENVPN="openvpn-2.4.9"
-MBEDTLS="mbedtls-2.24.0"
+OPENVPN="openvpn-2.6.6"
+OPENSSL="3.2.1"
+MBEDTLS="2.25.0"
 LZO="lzo-2.10"
-ZLIB="zlib-1.2.11"
-MBEDTLS_SHA512="5437ea57eb8b8af9446a796876aa2bfe3c59c88f926b1638c7e8a021a8bef9f4bc6cb1b254e7387e2afe095bd27c518060719726bbaf5478582a56c34315cfb8"
+ZLIB="zlib-1.3.1"
 LZO_SHA1="4924676a9bae5db58ef129dc1cebce3baa3c4b5d"
+OPENSSL_SHA256="83c7329fe52c850677d75e5d0b0ca245309b97e8ecbcfdc1dfdc4ab9fac35b39"
+MBEDTLS_SHA256="f838f670f51070bc6b4ebf0c084affd9574652ded435b064969f36ce4e8b586d"
 # -------------------------------------------------------------------------
 
 platform='unknown'
@@ -35,7 +38,7 @@ mkdir -p $SRC
 
 SHASUM="/usr/bin/shasum"
 
-ZLIB_KEYS="https://keys.gnupg.net/pks/lookup?op=get&search=0x783FCD8E58BCAFBA"
+ZLIB_KEYS="https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x5ed46a6721d365587791e2aa783fcd8e58bcafba"
 OPENVPN_KEYS="https://swupdate.openvpn.net/community/keys/security.key.asc"
 
 WGET="wget --prefer-family=IPv4"
@@ -54,8 +57,8 @@ MAKE="make -j4"
 
 function build_zlib()
 {
-        gpg --fetch-keys $ZLIB_KEYS
-	mkdir $SRC/zlib && cd $SRC/zlib
+	gpg --fetch-keys $ZLIB_KEYS
+	mkdir -p $SRC/zlib && cd $SRC/zlib
 
 	if [ ! -f $ZLIB.tar.gz ]; then
 	    $WGET https://zlib.net/$ZLIB.tar.gz
@@ -75,43 +78,15 @@ function build_zlib()
 	make install DESTDIR=$BASE
 }
 
-########### ##################################################################
-# MBEDTLS # ##################################################################
-########### ##################################################################
-
-function build_mbedtls()
-{
-	mkdir -p $SRC/polarssl && cd $SRC/polarssl
-	if [ ! -f $MBEDTLS.tar.gz ]; then
-	    $WGET https://github.com/ARMmbed/mbedtls/archive/$MBEDTLS.tar.gz
-	fi
-	sha512=`${SHASUM} -a 512 ${MBEDTLS}.tar.gz | cut -d' ' -f 1`
-	
-	if [ "${MBEDTLS_SHA512}" = "${sha512}" ]; then
-	    echo "[+] sha-512 verified ok"
-	else
-	    echo "[!] problem with sha-512 verification"
-	    exit 1
-	fi
-	tar zxvf $MBEDTLS.tar.gz
-	cd mbedtls-$MBEDTLS
-	mkdir -p build
-	cd build
-	cmake ..
-	$MAKE
-	make install DESTDIR=$BASE/install
-}
-
-
 ######## ####################################################################
 # LZO2 # ####################################################################
 ######## ####################################################################
 
 function build_lzo2()
 {
-	mkdir $SRC/lzo2 && cd $SRC/lzo2
+	mkdir -p $SRC/lzo2 && cd $SRC/lzo2
 	if [ ! -f $LZO.tar.gz ]; then
-	    $WGET http://www.oberhumer.com/opensource/lzo/download/$LZO.tar.gz
+	    $WGET https://www.oberhumer.com/opensource/lzo/download/$LZO.tar.gz
 	fi
 	sha1=`$SHASUM $LZO.tar.gz | cut -d' ' -f 1`
 	if [ "${LZO_SHA1}" = "${sha1}" ]; then
@@ -133,15 +108,94 @@ function build_lzo2()
 	make install DESTDIR=$BASE
 }
 
+########### ##################################################################
+# OPENSSL # ##################################################################
+########### ##################################################################
+
+function build_openssl()
+{
+	cd $BASE
+	mkdir -p $SRC/openssl && cd $SRC/openssl/
+	if [ ! -f openssl-$OPENSSL.tar.gz ]; then
+	    $WGET https://www.openssl.org/source/openssl-$OPENSSL.tar.gz
+	fi
+	sha256=`${SHASUM} -a 256 openssl-${OPENSSL}.tar.gz | cut -d' ' -f 1`
+	
+	if [ "${OPENSSL_SHA256}" = "${sha256}" ]; then
+	    echo "[+] sha-256 verified ok"
+	else
+	    echo "[!] problem with sha-256 verification"
+            echo "[ ] expected: " ${OPENSSL_SHA256}
+            echo "[ ] got:      " ${sha256}
+	    exit 1
+	fi
+
+	local openssl_target_platform=""
+	case "$(uname -m)" in
+		"x86_64")
+			openssl_target_platform="darwin64-x86_64-cc"
+			if [ "$(uname)" == "Linux" ]; then
+				openssl_target_platform="linux-x86_64"
+			fi
+			;;
+		"arm64")
+			openssl_target_platform="darwin64-arm64-cc"
+			if [ "$(uname)" == "Linux" ]; then
+				openssl_target_platform="linux64-aarch64"
+			fi
+			;;
+	esac
+
+	tar zxvf openssl-$OPENSSL.tar.gz
+	cd openssl-$OPENSSL
+	# Kudos to Jonathan K. Bullard from Tunnelblick.
+	# TODO pass cc/arch if osx
+	./Configure ${openssl_target_platform} no-shared zlib no-asm --openssldir="$DEST"
+	make build_libs build_apps openssl.pc libssl.pc libcrypto.pc
+	make DESTDIR=$DEST install_sw
+}
+
+########### ##################################################################
+# MBEDTLS # ##################################################################
+########### ##################################################################
+
+function build_mbedtls()
+{
+	mkdir -p $SRC/mbedtls && cd $SRC/mbedtls
+	if [ ! -f v$MBEDTLS.tar.gz ]; then
+	    $WGET https://github.com/ARMmbed/mbedtls/archive/v$MBEDTLS.tar.gz
+	fi
+	sha256=`${SHASUM} -a 256 v${MBEDTLS}.tar.gz | cut -d' ' -f 1`
+	
+	if [ "${MBEDTLS_SHA256}" = "${sha256}" ]; then
+	    echo "[+] sha-256 verified ok"
+	else
+	    echo "[!] problem with sha-256 verification"
+            echo "[ ] expected: " ${MBEDTLS_SHA256}
+            echo "[ ] got:      " ${sha256}
+	    exit 1
+	fi
+	tar zxvf v$MBEDTLS.tar.gz
+	cd mbedtls-$MBEDTLS
+        #scripts/config.pl full   ## available for mbedtls 2.16
+        scripts/config.py full    ## available for mbedtls 2.25
+	mkdir -p build
+	cd build
+	cmake ..
+	$MAKE
+	make install DESTDIR=$DEST
+}
+
 ########### #################################################################
 # OPENVPN # #################################################################
+# OPENSSL # #################################################################
 ########### #################################################################
 
-function build_openvpn()
+function build_openvpn_openssl()
 {
-	mkdir $SRC/openvpn && cd $SRC/openvpn
+	mkdir -p $SRC/openvpn && cd $SRC/openvpn
 	gpg --fetch-keys $OPENVPN_KEYS
-	if [ ! -f $OPENVPN.tar.gz ]; then
+	if [ ! -f "$OPENVPN.tar.gz" ]; then
             $WGET https://build.openvpn.net/downloads/releases/$OPENVPN.tar.gz
             $WGET https://build.openvpn.net/downloads/releases/$OPENVPN.tar.gz.asc
 	fi
@@ -149,17 +203,61 @@ function build_openvpn()
 	tar zxvf $OPENVPN.tar.gz
 	cd $OPENVPN
 
-	MBEDTLS_CFLAGS=-I$BASE/install/usr/local/include/ \
-	MBEDTLS_LIBS="$DEST/usr/local/lib/libmbedtls.a $DEST/usr/local/lib/libmbedcrypto.a $DEST/usr/local/lib/libmbedx509.a" \
+	
+	CFLAGS="$CFLAGS -D __APPLE_USE_RFC_3542 -I$DEST/usr/local/include" \
+	LZO_CFLAGS="-I$DEST/include" \
+	LZO_LIBS="$DEST/lib/liblzo2.a" \
+	OPENSSL_CFLAGS=-I$DEST/usr/local/include/ \
+	OPENSSL_SSL_CFLAGS=-I$DEST/usr/local/include/ \
+	OPENSSL_LIBS="$DEST/usr/local/lib/libssl.a $DEST/usr/local/lib/libcrypto.a $DEST/lib/libz.a" \
+	OPENSSL_SSL_LIBS="$DEST/usr/local/lib/libssl.a" \
+	OPENSSL_CRYPTO_LIBS="$DEST/usr/local/lib/libcrypto.a" \
 	LDFLAGS=$LDFLAGS \
 	CPPFLAGS=$CPPFLAGS \
-	CFLAGS="$CFLAGS -I$BASE/install/usr/local/include" \
 	CXXFLAGS=$CXXFLAGS \
 	$CONFIGURE \
+	--disable-lz4 \
+	--disable-unit-tests \
 	--disable-plugin-auth-pam \
-	--with-crypto-library=mbedtls \
 	--enable-small \
 	--disable-debug
+	$MAKE LIBS="-all-static"
+	make install DESTDIR=$BASE/openvpn
+	mkdir -p $BASE/sbin/
+	cp $BASE/openvpn/install/sbin/openvpn $BASE/sbin/$OPENVPN
+	strip $BASE/sbin/$OPENVPN
+}
+
+
+########### #################################################################
+# OPENVPN # #################################################################
+# MBEDTLS # #################################################################
+########### #################################################################
+
+function build_openvpn_mbedtls()
+{
+	mkdir -p $SRC/openvpn && cd $SRC/openvpn
+	gpg --fetch-keys $OPENVPN_KEYS
+	if [ ! -f $OPENVPN.tar.gz ]; then
+            $WGET https://build.openvpn.net/downloads/releases/$OPENVPN.tar.gz
+            $WGET https://build.openvpn.net/downloads/releases/$OPENVPN.tar.gz.asc
+	fi
+	gpg --verify $OPENVPN.tar.gz.asc && echo "[+] gpg verification ok"
+	tar zxvf $OPENVPN.tar.gz
+	cd $OPENVPN
+
+	MBEDTLS_CFLAGS=-I$DEST/usr/local/include/ \
+	MBEDTLS_LIBS="$DEST/usr/local/lib/libmbedtls.a $DEST/usr/local/lib/libmbedcrypto.a $DEST/usr/local/lib/libmbedx509.a" \
+	LDFLAGS=$LDFLAGS \
+	CPPFLAGS=$CPPFLAGS \
+	CFLAGS="$CFLAGS -I$DEST/usr/local/include" \
+	CXXFLAGS=$CXXFLAGS \
+	$CONFIGURE \
+	--disable-plugin-auth-pam \
+	--with-crypto-library=mbedtls
+	# TODO debug first
+	#--enable-small \
+	#--disable-debug
 
 	$MAKE LIBS="-all-static -lz -llzo2"
 	make install DESTDIR=$BASE/openvpn
@@ -173,8 +271,10 @@ function build_all()
 	echo "[+] Building" $OPENVPN
 	build_zlib
 	build_lzo2
-	build_mbedtls
-	build_openvpn
+	build_openssl
+	build_openvpn_openssl
+	#build_mbedtls  # broken, see #311
+	#build_openvpn_mbedtls
 }
 
 function main()

cmd/bitmask-helper/main.go

@@ -16,7 +16,7 @@
 package main
 
 import (
-	"log"
+	"flag"
 	"path"
 
 	"0xacab.org/leap/bitmask-vpn/pkg/config"
@@ -31,18 +31,24 @@ const (
 var (
 	Version string
 	AppName string
+
+	socketUid int
+	socketGid int
 )
 
+func init() {
+	flag.IntVar(&socketUid, "socket-uid", 0, "The UID for the unix socket to listen on")
+	flag.IntVar(&socketGid, "socket-gid", 0, "The GID for the unix socket to listen on")
+}
+
 func main() {
-	logger, err := config.ConfigureLogger(path.Join(helper.LogFolder, logFile))
-	if err != nil {
-		log.Println("Can't configure logger: ", err)
-	} else {
-		defer logger.Close()
-	}
+	flag.Parse()
+	config.LogPath = path.Join(config.Path, logFile)
+	config.ConfigureLogger()
+	defer config.CloseLogger()
 	helper.Version = Version
 	helper.AppName = AppName
 
 	// StartHelper is the main entry point - it also handles cli args in windows, and starts the http server.
-	helper.StartHelper(preferredPort)
+	helper.StartHelper(preferredPort, socketUid, socketGid)
 }

cmd/bitmaskd/main.go

+package main
+
+import (
+	"errors"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"runtime"
+
+	"0xacab.org/leap/bitmask-vpn/pkg/backend"
+)
+
+func main() {
+	var c string
+	var installHelpers bool
+
+	flag.StringVar(&c, "c", "", "Config file")
+	flag.BoolVar(&installHelpers, "i", false, "Install helpers (asks for sudo)")
+	flag.Parse()
+
+	if installHelpers {
+		backend.InstallHelpers()
+		os.Exit(0)
+	}
+
+	if len(c) == 0 {
+		fmt.Println("Please setup a config file with -c")
+		os.Exit(1)
+	}
+
+	if _, err := os.Stat(c); err == nil {
+		log.Println("Loading config file from", c)
+		// all good. we could validate the json.
+	} else if errors.Is(err, os.ErrNotExist) {
+		fmt.Println("Cannot find file:", c)
+		os.Exit(1)
+	} else {
+		// Schrodinger: file may or may not exist.
+		log.Println("Error:", err)
+	}
+
+	providerDefinitionJSON, err := ioutil.ReadFile(c)
+	if err != nil {
+		fmt.Println("Error reading config file")
+		os.Exit(1)
+	}
+
+	// TODO daemonize, or run in foreground to debug.
+	log.Println("Starting bitmaskd...")
+
+	opts := backend.InitOptsFromJSON("riseup", string(providerDefinitionJSON))
+	opts.DisableAutostart = true
+	opts.Obfs4 = false
+	opts.StartVPN = "off"
+	backend.EnableWebAPI("8000")
+	backend.InitializeBitmaskContext(opts)
+
+	log.Println("Backend initialized")
+
+	runtime.Goexit()
+	fmt.Println("Exit")
+}

cmd/snowflake-client/.gitignore

+snowflake-client

cmd/snowflake-client/main.go

+// Client transport plugin for the Snowflake pluggable transport.
+package main
+
+import (
+	"flag"
+	"io"
+	"io/ioutil"
+	"log"
+	"math/rand"
+	"net"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"strings"
+	"sync"
+	"syscall"
+	"time"
+
+	pt "git.torproject.org/pluggable-transports/goptlib.git"
+	//sf "git.torproject.org/pluggable-transports/snowflake.git/client/lib"
+	sf "0xacab.org/leap/bitmask-vpn/pkg/snowflake/lib"
+	"git.torproject.org/pluggable-transports/snowflake.git/common/nat"
+	"git.torproject.org/pluggable-transports/snowflake.git/common/safelog"
+	"github.com/pion/webrtc/v3"
+)
+
+const (
+	DefaultSnowflakeCapacity = 1
+)
+
+// Accept local SOCKS connections and pass them to the handler.
+func socksAcceptLoop(ln *pt.SocksListener, tongue sf.Tongue, shutdown chan struct{}, wg *sync.WaitGroup) {
+	defer ln.Close()
+	for {
+		conn, err := ln.AcceptSocks()
+		if err != nil {
+			if err, ok := err.(net.Error); ok && err.Temporary() {
+				continue
+			}
+			log.Printf("SOCKS accept error: %s", err)
+			break
+		}
+		log.Printf("SOCKS accepted: %v", conn.Req)
+		go func() {
+			wg.Add(1)
+			defer wg.Done()
+			defer conn.Close()
+
+			err := conn.Grant(&net.TCPAddr{IP: net.IPv4zero, Port: 0})
+			if err != nil {
+				log.Printf("conn.Grant error: %s", err)
+				return
+			}
+
+			handler := make(chan struct{})
+			go func() {
+				err = sf.Handler(conn, tongue)
+				if err != nil {
+					log.Printf("handler error: %s", err)
+				}
+				close(handler)
+				return
+
+			}()
+			select {
+			case <-shutdown:
+				log.Println("Received shutdown signal")
+			case <-handler:
+				log.Println("Handler ended")
+			}
+			return
+		}()
+	}
+}
+
+// s is a comma-separated list of ICE server URLs.
+func parseIceServers(s string) []webrtc.ICEServer {
+	var servers []webrtc.ICEServer
+	s = strings.TrimSpace(s)
+	if len(s) == 0 {
+		return nil
+	}
+	urls := strings.Split(s, ",")
+	for _, url := range urls {
+		url = strings.TrimSpace(url)
+		servers = append(servers, webrtc.ICEServer{
+			URLs: []string{url},
+		})
+	}
+	return servers
+}
+
+func main() {
+	iceServersCommas := flag.String("ice", "", "comma-separated list of ICE servers")
+	brokerURL := flag.String("url", "", "URL of signaling broker")
+	frontDomain := flag.String("front", "", "front domain")
+	logFilename := flag.String("log", "", "name of log file")
+	logToStateDir := flag.Bool("log-to-state-dir", false, "resolve the log file relative to tor's pt state dir")
+	keepLocalAddresses := flag.Bool("keep-local-addresses", false, "keep local LAN address ICE candidates")
+	unsafeLogging := flag.Bool("unsafe-logging", false, "prevent logs from being scrubbed")
+	max := flag.Int("max", DefaultSnowflakeCapacity,
+		"capacity for number of multiplexed WebRTC peers")
+
+	// Deprecated
+	oldLogToStateDir := flag.Bool("logToStateDir", false, "use -log-to-state-dir instead")
+	oldKeepLocalAddresses := flag.Bool("keepLocalAddresses", false, "use -keep-local-addresses instead")
+
+	flag.Parse()
+
+	log.SetFlags(log.LstdFlags | log.LUTC)
+
+	// Don't write to stderr; versions of tor earlier than about 0.3.5.6 do
+	// not read from the pipe, and eventually we will deadlock because the
+	// buffer is full.
+	// https://bugs.torproject.org/26360
+	// https://bugs.torproject.org/25600#comment:14
+	var logOutput = ioutil.Discard
+	if *logFilename != "" {
+		if *logToStateDir || *oldLogToStateDir {
+			stateDir, err := pt.MakeStateDir()
+			if err != nil {
+				log.Fatal(err)
+			}
+			*logFilename = filepath.Join(stateDir, *logFilename)
+		}
+		logFile, err := os.OpenFile(*logFilename,
+			os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer logFile.Close()
+		logOutput = logFile
+	}
+	if *unsafeLogging {
+		log.SetOutput(logOutput)
+	} else {
+		// We want to send the log output through our scrubber first
+		log.SetOutput(&safelog.LogScrubber{Output: logOutput})
+	}
+
+	log.Println("\n\n\n --- Starting Snowflake Client ---")
+
+	iceServers := parseIceServers(*iceServersCommas)
+	// chooses a random subset of servers from inputs
+	rand.Seed(time.Now().UnixNano())
+	rand.Shuffle(len(iceServers), func(i, j int) {
+		iceServers[i], iceServers[j] = iceServers[j], iceServers[i]
+	})
+	if len(iceServers) > 2 {
+		iceServers = iceServers[:(len(iceServers)+1)/2]
+	}
+	log.Printf("Using ICE servers:")
+	for _, server := range iceServers {
+		log.Printf("url: %v", strings.Join(server.URLs, " "))
+	}
+
+	// Use potentially domain-fronting broker to rendezvous.
+	broker, err := sf.NewBrokerChannel(
+		*brokerURL, *frontDomain, sf.CreateBrokerTransport(),
+		*keepLocalAddresses || *oldKeepLocalAddresses)
+	if err != nil {
+		log.Fatalf("parsing broker URL: %v", err)
+	}
+	go updateNATType(iceServers, broker)
+
+	// Create a new WebRTCDialer to use as the |Tongue| to catch snowflakes
+	dialer := sf.NewWebRTCDialer(broker, iceServers, *max)
+
+	// Begin goptlib client process.
+	ptInfo, err := pt.ClientSetup(nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if ptInfo.ProxyURL != nil {
+		pt.ProxyError("proxy is not supported")
+		os.Exit(1)
+	}
+	listeners := make([]net.Listener, 0)
+	shutdown := make(chan struct{})
+	var wg sync.WaitGroup
+	for _, methodName := range ptInfo.MethodNames {
+		switch methodName {
+		case "snowflake":
+			// TODO: Be able to recover when SOCKS dies.
+			ln, err := pt.ListenSocks("tcp", "127.0.0.1:0")
+			if err != nil {
+				pt.CmethodError(methodName, err.Error())
+				break
+			}
+			log.Printf("Started SOCKS listener at %v.", ln.Addr())
+			go socksAcceptLoop(ln, dialer, shutdown, &wg)
+			pt.Cmethod(methodName, ln.Version(), ln.Addr())
+			listeners = append(listeners, ln)
+		default:
+			pt.CmethodError(methodName, "no such method")
+		}
+	}
+	pt.CmethodsDone()
+
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGTERM)
+
+	if os.Getenv("TOR_PT_EXIT_ON_STDIN_CLOSE") == "1" {
+		// This environment variable means we should treat EOF on stdin
+		// just like SIGTERM: https://bugs.torproject.org/15435.
+		go func() {
+			if _, err := io.Copy(ioutil.Discard, os.Stdin); err != nil {
+				log.Printf("calling io.Copy(ioutil.Discard, os.Stdin) returned error: %v", err)
+			}
+			log.Printf("synthesizing SIGTERM because of stdin close")
+			sigChan <- syscall.SIGTERM
+		}()
+	}
+
+	// Wait for a signal.
+	<-sigChan
+	log.Println("stopping snowflake")
+
+	// Signal received, shut down.
+	for _, ln := range listeners {
+		ln.Close()
+	}
+	close(shutdown)
+	wg.Wait()
+	log.Println("snowflake is done.")
+}
+
+// loop through all provided STUN servers until we exhaust the list or find
+// one that is compatable with RFC 5780
+func updateNATType(servers []webrtc.ICEServer, broker *sf.BrokerChannel) {
+
+	var restrictedNAT bool
+	var err error
+	for _, server := range servers {
+		addr := strings.TrimPrefix(server.URLs[0], "stun:")
+		restrictedNAT, err = nat.CheckIfRestrictedNAT(addr)
+		if err == nil {
+			if restrictedNAT {
+				broker.SetNATType(nat.NATRestricted)
+			} else {
+				broker.SetNATType(nat.NATUnrestricted)
+			}
+			break
+		}
+	}
+	if err != nil {
+		broker.SetNATType(nat.NATUnknown)
+	}
+}

debian/.gitignore

+riseup-vpn/*
+.debhelper/*