Пример #1
0
void KPty::setCTty()
{
    Q_D(KPty);

    // Setup job control //////////////////////////////////

    // Become session leader, process group leader,
    // and get rid of the old controlling terminal.
    setsid();

    // make our slave pty the new controlling terminal.
#ifdef TIOCSCTTY
    ioctl(d->slaveFd, TIOCSCTTY, 0);
#else
    // __svr4__ hack: the first tty opened after setsid() becomes controlling tty
    ::close(KDE_open(d->ttyName, O_WRONLY, 0));
#endif

    // make our new process group the foreground group on the pty
    int pgrp = getpid();
#if defined(_POSIX_VERSION) || defined(__svr4__)
    tcsetpgrp(d->slaveFd, pgrp);
#elif defined(TIOCSPGRP)
    ioctl(d->slaveFd, TIOCSPGRP, (char *)&pgrp);
#endif
}
Пример #2
0
void ShuttleThread::run()
{
    kDebug() << "-------  STARTING SHUTTLE: " << m_device;

    const int fd = KDE_open((char *) m_device.toUtf8().data(), O_RDONLY);
    if (fd < 0) {
        fprintf(stderr, "Can't open Jog Shuttle FILE DESCRIPTOR\n");
        return;;
    }
    EV ev;

    if (ioctl(fd, EVIOCGRAB, 1) < 0) {
        fprintf(stderr, "Can't get exclusive access on  Jog Shuttle FILE DESCRIPTOR\n");
        return;;
    }

    while (!stop_me) {
        if (read(fd, &ev, sizeof(ev)) < 0) {
            fprintf(stderr, "Failed to read event from Jog Shuttle FILE DESCRIPTOR\n");
        }
        handle_event(ev);
    }
    close(fd);

}
Пример #3
0
void TarArch::createTmp()
{
    if ( compressed )
    {
        if ( !QFile::exists(tmpfile) )
        {
            QString strUncompressor = getUnCompressor();
            // at least lzop doesn't want to pipe zerosize/nonexistent files
            QFile originalFile( m_filename );
            if ( strUncompressor != "gunzip" && strUncompressor !="bunzip2" &&
                ( !originalFile.exists() || originalFile.size() == 0 ) )
            {
                QFile temp( tmpfile );
                temp.open( IO_ReadWrite );
                temp.close();
                emit createTempDone();
                return;
            }
            // the tmpfile does not yet exist, so we create it.
            createTmpInProgress = true;
            int f_desc = KDE_open(QFile::encodeName(tmpfile), O_CREAT | O_TRUNC | O_WRONLY, 0666);
            if (f_desc != -1)
                fd = fdopen( f_desc, "w" );
            else
                fd = NULL;

            KProcess *kp = m_currentProcess = new KProcess;
            kp->clearArguments();
            kdDebug(1601) << "Uncompressor is " << strUncompressor << endl;
            *kp << strUncompressor;
            KProcess::Communication flag = KProcess::AllOutput;
            if (strUncompressor == "lzop")
            {
                // setting up a pty for lzop, since it doesn't like stdin to
                // be /dev/null ( "no filename allowed when reading from stdin" )
                // - but it used to work without this ? ( Feb 13, 2003 )
                kp->setUsePty( KProcess::Stdin, false );
                flag = KProcess::Stdout;
                *kp << "-d";
            }
            *kp << "-c" << m_filename;

            connect(kp, SIGNAL(processExited(KProcess *)),
                    this, SLOT(createTmpFinished(KProcess *)));
            connect(kp, SIGNAL(receivedStdout(KProcess*, char*, int)),
                    this, SLOT(createTmpProgress( KProcess *, char *, int )));
            connect( kp, SIGNAL(receivedStderr(KProcess*, char*, int)),
                    this, SLOT(slotReceivedOutput(KProcess*, char*, int)));
            if (kp->start(KProcess::NotifyOnExit, flag ) == false)
            {
                KMessageBox::error(0, i18n("Unable to fork a decompressor"));
		emit sigOpen( this, false, QString::null, 0 );
            }
        }
        else
        {
Пример #4
0
KDECORE_EXPORT int mkstemps (char* _template, int suffix_len)
{
  static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  char *XXXXXX;
  int len;
  int count;
  int value;

  len = strlen (_template);

  if ((int) len < 6 + suffix_len || strncmp (&_template[len - 6 - suffix_len], "XXXXXX", 6))
      return -1;

  XXXXXX = &_template[len - 6 - suffix_len];

  value = rand();
  for (count = 0; count < 256; ++count)
  {
      int v = value;
      int fd;

      /* Fill in the random bits.  */
      XXXXXX[0] = letters[v % 62];
      v /= 62;
      XXXXXX[1] = letters[v % 62];
      v /= 62;
      XXXXXX[2] = letters[v % 62];
      v /= 62;
      XXXXXX[3] = letters[v % 62];
      v /= 62;
      XXXXXX[4] = letters[v % 62];
      v /= 62;
      XXXXXX[5] = letters[v % 62];

      fd = KDE_open (_template, O_RDWR|O_CREAT|O_EXCL, 0600);
      if (fd >= 0)
	/* The file does not exist.  */
	return fd;

      /* This is a random value.  It is only necessary that the next
	 TMP_MAX values generated by adding 7777 to VALUE are different
	 with (module 2^32).  */
      value += 7777;
    }
  /* We return the null string if we can't find a unique file name.  */
  _template[0] = '\0';
  return -1;
}
Пример #5
0
bool KPty::openSlave()
{
    Q_D(KPty);

    if (d->slaveFd >= 0)
        return true;
    if (d->masterFd < 0) {
        kWarning(175) << "Attempting to open pty slave while master is closed";
        return false;
    }
    d->slaveFd = KDE_open(d->ttyName.data(), O_RDWR | O_NOCTTY);
    if (d->slaveFd < 0) {
        kWarning(175) << "Can't open slave pseudo teletype";
        return false;
    }
    fcntl(d->slaveFd, F_SETFD, FD_CLOEXEC);
    return true;
}
Пример #6
0
void TarArch::updateArch()
{
  if (compressed)
    {
      updateInProgress = true;
      int f_desc = KDE_open(QFile::encodeName(m_filename), O_CREAT | O_TRUNC | O_WRONLY, 0666);
      if (f_desc != -1)
          fd = fdopen( f_desc, "w" );
      else
          fd = NULL;

      KProcess *kp = m_currentProcess = new KProcess;
      kp->clearArguments();
      KProcess::Communication flag = KProcess::AllOutput;
      if ( getCompressor() == "lzop" )
      {
        kp->setUsePty( KProcess::Stdin, false );
        flag = KProcess::Stdout;
      }
      if ( !getCompressor().isNull() )
          *kp << getCompressor() << "-c" << tmpfile;
      else
          *kp << "cat" << tmpfile;


      connect(kp, SIGNAL(receivedStdout(KProcess*, char*, int)),
              this, SLOT(updateProgress( KProcess *, char *, int )));
      connect( kp, SIGNAL(receivedStderr(KProcess*, char*, int)),
               (Arch *)this, SLOT(slotReceivedOutput(KProcess*, char*, int)));

      connect(kp, SIGNAL(processExited(KProcess *)),
               this, SLOT(updateFinished(KProcess *)) );

      if ( !fd || kp->start(KProcess::NotifyOnExit, flag) == false)
        {
          KMessageBox::error(0, i18n("Trouble writing to the archive..."));
          emit updateDone();
        }
    }
}
Пример #7
0
bool MultiSegmentCopyJob::checkLocalFile()
{
    QString dest_orig = m_dest.path();
    QString dest_part( dest_orig );
    dest_part += QLatin1String(".part");
    QByteArray _dest_part( QFile::encodeName(dest_part));

    KDE_struct_stat buff_part;
    bool bPartExists = (KDE_stat( _dest_part.data(), &buff_part ) != -1);
    if(!bPartExists)
    {
        QByteArray _dest = QFile::encodeName(dest_part);
        int fd = -1;
        mode_t initialMode;
        if (m_permissions != -1)
            initialMode = m_permissions | S_IWUSR | S_IRUSR;
        else
            initialMode = 0666;

        fd = KDE_open(_dest.data(), O_CREAT | O_TRUNC | O_WRONLY, initialMode);
        if ( fd < 0 )
        {
             kDebug(5001) << " error";
/*          if ( errno == EACCES )
            error( ERR_WRITE_ACCESS_DENIED, dest_part );
          else
            error( ERR_CANNOT_OPEN_FOR_WRITING, dest_part );*/
             return false;
        }
        else
        {
            close(fd);
        }
    }
    m_dest_part = m_dest;
    m_dest_part.setPath(dest_part);
    kDebug(5001) << "success";
    return true;
}
Пример #8
0
bool KPty::open()
{
  Q_D(KPty);

  if (d->masterFd >= 0)
    return true;

  d->ownMaster = true;

  QByteArray ptyName;

  // Find a master pty that we can open ////////////////////////////////

  // Because not all the pty animals are created equal, they want to
  // be opened by several different methods.

  // We try, as we know them, one by one.

#ifdef HAVE_OPENPTY

  char ptsn[PATH_MAX];
  if (::openpty( &d->masterFd, &d->slaveFd, ptsn, 0, 0))
  {
    d->masterFd = -1;
    d->slaveFd = -1;
    kWarning(175) << "Can't open a pseudo teletype";
    return false;
  }
  d->ttyName = ptsn;

#else

#ifdef HAVE__GETPTY // irix

  char *ptsn = _getpty(&d->masterFd, O_RDWR|O_NOCTTY, S_IRUSR|S_IWUSR, 0);
  if (ptsn) {
    d->ttyName = ptsn;
    goto grantedpt;
  }

#elif defined(HAVE_PTSNAME) || defined(TIOCGPTN)

#ifdef HAVE_POSIX_OPENPT
  d->masterFd = ::posix_openpt(O_RDWR|O_NOCTTY);
#elif defined(HAVE_GETPT)
  d->masterFd = ::getpt();
#elif defined(PTM_DEVICE)
  d->masterFd = KDE_open(PTM_DEVICE, O_RDWR|O_NOCTTY);
#else
# error No method to open a PTY master detected.
#endif
  if (d->masterFd >= 0)
  {
#ifdef HAVE_PTSNAME
    char *ptsn = ptsname(d->masterFd);
    if (ptsn) {
        d->ttyName = ptsn;
#else
    int ptyno;
    if (!ioctl(d->masterFd, TIOCGPTN, &ptyno)) {
        char buf[32];
        sprintf(buf, "/dev/pts/%d", ptyno);
        d->ttyName = buf;
#endif
#ifdef HAVE_GRANTPT
        if (!grantpt(d->masterFd))
           goto grantedpt;
#else
        goto gotpty;
#endif
    }
    ::close(d->masterFd);
    d->masterFd = -1;
  }
#endif // HAVE_PTSNAME || TIOCGPTN

  // Linux device names, FIXME: Trouble on other systems?
  for (const char* s3 = "pqrstuvwxyzabcde"; *s3; s3++)
  {
    for (const char* s4 = "0123456789abcdef"; *s4; s4++)
    {
      ptyName = QString().sprintf("/dev/pty%c%c", *s3, *s4).toAscii();
      d->ttyName = QString().sprintf("/dev/tty%c%c", *s3, *s4).toAscii();

      d->masterFd = KDE_open(ptyName.data(), O_RDWR);
      if (d->masterFd >= 0)
      {
#ifdef Q_OS_SOLARIS
        /* Need to check the process group of the pty.
         * If it exists, then the slave pty is in use,
         * and we need to get another one.
         */
        int pgrp_rtn;
        if (ioctl(d->masterFd, TIOCGPGRP, &pgrp_rtn) == 0 || errno != EIO) {
          ::close(d->masterFd);
          d->masterFd = -1;
          continue;
        }
#endif /* Q_OS_SOLARIS */
        if (!access(d->ttyName.data(),R_OK|W_OK)) // checks availability based on permission bits
        {
          if (!geteuid())
          {
            struct group* p = getgrnam(TTY_GROUP);
            if (!p)
              p = getgrnam("wheel");
            gid_t gid = p ? p->gr_gid : getgid ();

            chown(d->ttyName.data(), getuid(), gid);
            chmod(d->ttyName.data(), S_IRUSR|S_IWUSR|S_IWGRP);
          }
          goto gotpty;
        }
        ::close(d->masterFd);
        d->masterFd = -1;
      }
    }
  }

  kWarning(175) << "Can't open a pseudo teletype";
  return false;

 gotpty:
  KDE_struct_stat st;
  if (KDE_stat(d->ttyName.data(), &st))
    return false; // this just cannot happen ... *cough*  Yeah right, I just
                  // had it happen when pty #349 was allocated.  I guess
                  // there was some sort of leak?  I only had a few open.
  if (((st.st_uid != getuid()) ||
       (st.st_mode & (S_IRGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH))) &&
      !d->chownpty(true))
  {
    kWarning(175)
      << "chownpty failed for device " << ptyName << "::" << d->ttyName
      << "\nThis means the communication can be eavesdropped." << endl;
  }

 grantedpt:

#ifdef HAVE_REVOKE
  revoke(d->ttyName.data());
#endif

#ifdef HAVE_UNLOCKPT
  unlockpt(d->masterFd);
#elif defined(TIOCSPTLCK)
  int flag = 0;
  ioctl(d->masterFd, TIOCSPTLCK, &flag);
#endif

  d->slaveFd = KDE_open(d->ttyName.data(), O_RDWR | O_NOCTTY);
  if (d->slaveFd < 0)
  {
    kWarning(175) << "Can't open slave pseudo teletype";
    ::close(d->masterFd);
    d->masterFd = -1;
    return false;
  }

#if (defined(__svr4__) || defined(__sgi__) || defined(Q_OS_SOLARIS))
  // Solaris uses STREAMS for terminal handling. It is possible
  // for the pty handling modules to be left off the stream; in that
  // case push them on. ioctl(fd, I_FIND, ...) is documented to return
  // 1 if the module is on the stream already.
  {
    static const char *pt = "ptem";
    static const char *ld = "ldterm";
    if (ioctl(d->slaveFd, I_FIND, pt) == 0)
      ioctl(d->slaveFd, I_PUSH, pt);
    if (ioctl(d->slaveFd, I_FIND, ld) == 0)
      ioctl(d->slaveFd, I_PUSH, ld);
  }
#endif

#endif /* HAVE_OPENPTY */

  fcntl(d->masterFd, F_SETFD, FD_CLOEXEC);
  fcntl(d->slaveFd, F_SETFD, FD_CLOEXEC);

  return true;
}

bool KPty::open(int fd)
{
#if !defined(HAVE_PTSNAME) && !defined(TIOCGPTN)
    kWarning(175) << "Unsupported attempt to open pty with fd" << fd;
    return false;
#else
    Q_D(KPty);

    if (d->masterFd >= 0) {
        kWarning(175) << "Attempting to open an already open pty";
        return false;
    }

    d->ownMaster = false;

# ifdef HAVE_PTSNAME
    char *ptsn = ptsname(fd);
    if (ptsn) {
        d->ttyName = ptsn;
# else
    int ptyno;
    if (!ioctl(fd, TIOCGPTN, &ptyno)) {
        char buf[32];
        sprintf(buf, "/dev/pts/%d", ptyno);
        d->ttyName = buf;
# endif
    } else {
        kWarning(175) << "Failed to determine pty slave device for fd" << fd;
        return false;
    }

    d->masterFd = fd;
    if (!openSlave()) {
        d->masterFd = -1;
        return false;
    }

    return true;
#endif
}

void KPty::closeSlave()
{
    Q_D(KPty);

    if (d->slaveFd < 0)
        return;
    ::close(d->slaveFd);
    d->slaveFd = -1;
}
Пример #9
0
/* antlarr: KDE 4.0:  make the first parameter "const QString &" */
bool KConfigINIBackEnd::writeConfigFile(QString filename, bool bGlobal, bool bMerge)
{
    // is the config object read-only?
    if(pConfig->isReadOnly())
        return true; // pretend we wrote it

    KEntryMap aTempMap;
    QFile *mergeFile = (bMerge ? new QFile(filename) : 0);
    bool bEntriesLeft = getEntryMap(aTempMap, bGlobal, mergeFile);
    delete mergeFile;
    if(bFileImmutable)
        return true; // pretend we wrote it

    // OK now the temporary map should be full of ALL entries.
    // write it out to disk.

    // Check if file exists:
    int fileMode = -1;
    bool createNew = true;

    KDE_struct_stat buf;
    if(KDE_stat(QFile::encodeName(filename), &buf) == 0)
    {
        if(buf.st_uid == getuid())
        {
            // Preserve file mode if file exists and is owned by user.
            fileMode = buf.st_mode & 0777;
        }
        else
        {
            // File is not owned by user:
            // Don't create new file but write to existing file instead.
            createNew = false;
        }
    }

    KSaveFile *pConfigFile = 0;
    FILE *pStream = 0;

    if(createNew)
    {
        pConfigFile = new KSaveFile(filename, 0600);

        if(pConfigFile->status() != 0)
        {
            delete pConfigFile;
            return bEntriesLeft;
        }

        if(!bGlobal && (fileMode == -1))
            fileMode = mFileMode;

        if(fileMode != -1)
        {
            fchmod(pConfigFile->handle(), fileMode);
        }

        pStream = pConfigFile->fstream();
    }
    else
    {
        // Open existing file.
        // We use open() to ensure that we call without O_CREAT.
        int fd = KDE_open(QFile::encodeName(filename), O_WRONLY | O_TRUNC);
        if(fd < 0)
        {
            return bEntriesLeft;
        }
        pStream = KDE_fdopen(fd, "w");
        if(!pStream)
        {
            close(fd);
            return bEntriesLeft;
        }
    }

    writeEntries(pStream, aTempMap);

    if(pConfigFile)
    {
        bool bEmptyFile = (ftell(pStream) == 0);
        if(bEmptyFile && ((fileMode == -1) || (fileMode == 0600)))
        {
            // File is empty and doesn't have special permissions: delete it.
            ::unlink(QFile::encodeName(filename));
            pConfigFile->abort();
        }
        else
        {
            // Normal case: Close the file
            pConfigFile->close();
        }
        delete pConfigFile;
    }
    else
    {
        fclose(pStream);
    }

    return bEntriesLeft;
}