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125 lines
2.6 KiB
125 lines
2.6 KiB
package xpra
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import (
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"errors"
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"fmt"
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"github.com/subgraph/oz"
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"os"
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"os/exec"
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"os/user"
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"path"
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"strconv"
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"syscall"
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)
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type Xpra struct {
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// Server working directory where unix socket is created
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WorkDir string
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Config *oz.XServerConf
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// Running xpra process
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Process *exec.Cmd
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// Display number
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Display uint64
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// Arguments passed to xpra command
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xpraArgs []string
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}
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var xpraDefaultArgs = []string{
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"--no-daemon",
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"--mmap",
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"--no-sharing",
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"--bell",
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"--system-tray",
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"--xsettings",
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//"--no-xsettings",
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"--cursors",
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"--encoding=rgb",
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"--no-pulseaudio",
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}
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func getDefaultArgs(config *oz.XServerConf) []string {
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args := []string{}
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args = append(args, xpraDefaultArgs...)
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if config.DisableClipboard {
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args = append(args, "--no-clipboard")
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} else {
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args = append(args, "--clipboard")
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}
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switch config.AudioMode {
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case oz.PROFILE_AUDIO_NONE, "":
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args = append(args, "--no-microphone", "--no-speaker")
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case oz.PROFILE_AUDIO_SPEAKER:
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args = append(args, "--no-microphone", "--speaker")
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case oz.PROFILE_AUDIO_FULL:
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args = append(args, "--microphone", "--speaker")
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}
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if config.EnableNotifications {
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args = append(args, "--notifications")
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} else {
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args = append(args, "--no-notifications")
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}
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return args
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}
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func (x *Xpra) Stop(cred *syscall.Credential) ([]byte, error) {
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cmd := exec.Command("/usr/bin/xpra",
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"--socket-dir="+x.WorkDir,
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"stop",
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fmt.Sprintf(":%d", x.Display),
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)
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cmd.SysProcAttr = &syscall.SysProcAttr{
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Credential: cred,
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}
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cmd.Env = []string{"TMPDIR=" + x.WorkDir}
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return cmd.Output()
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}
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func GetPath(u *user.User, name string) string {
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return path.Join(u.HomeDir, ".Xoz", name)
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}
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func CreateDir(u *user.User, name string) (string, error) {
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uid, gid, err := userIds(u)
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if err != nil {
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return "", err
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}
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dir := GetPath(u, name)
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if err := createSubdirs(u.HomeDir, uid, gid, 0755, ".Xoz", name); err != nil {
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return "", fmt.Errorf("failed to create xpra directory (%s): %v", dir, err)
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}
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return dir, nil
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}
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func createSubdirs(base string, uid, gid int, mode os.FileMode, subdirs ...string) error {
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dir := base
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for _, sd := range subdirs {
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dir = path.Join(dir, sd)
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if err := os.Mkdir(dir, mode); err != nil && !os.IsExist(err) {
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return err
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}
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if err := os.Chown(dir, uid, gid); err != nil {
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return err
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}
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}
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return nil
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}
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func userIds(user *user.User) (int, int, error) {
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uid, err := strconv.Atoi(user.Uid)
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if err != nil {
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return -1, -1, errors.New("failed to parse uid from user struct: " + err.Error())
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}
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gid, err := strconv.Atoi(user.Gid)
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if err != nil {
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return -1, -1, errors.New("failed to parse gid from user struct: " + err.Error())
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}
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return uid, gid, nil
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}
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