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@ -217,49 +217,60 @@ bool KPty::setPty(int pty_master)
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bool KPty::_attachPty(int pty_master)
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{
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TQCString ptyName;
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if (d->slaveFd < 0 ) {
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kdDebug(175) << "KPty::_attachPty(): " << pty_master << endl;
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#if defined(HAVE_PTSNAME) && defined(HAVE_GRANTPT)
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#if defined(HAVE_PTSNAME)
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char *ptsn = ptsname(d->masterFd);
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if (ptsn) {
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grantpt(d->masterFd);
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d->ttyName = ptsn;
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} else {
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::close(d->masterFd);
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d->masterFd = -1;
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return false;
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}
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#endif
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struct stat st;
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if (stat(d->ttyName.data(), &st))
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return false; // this just cannot happen ... *cough* Yeah right, I just
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// had it happen when pty #349 was allocated. I guess
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// there was some sort of leak? I only had a few open.
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if (((st.st_uid != getuid()) ||
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(st.st_mode & (S_IRGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH))) &&
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!chownpty(true))
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{
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kdWarning(175)
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<< "KPty::_attachPty(): " << "chownpty failed for device " << ptyName << "::" << d->ttyName << endl
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<< "KPty::_attachPty(): " << "This means the communication can be eavesdropped." << endl;
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}
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#if defined(HAVE_GRANTPT)
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if (grantpt(d->masterFd)) {
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return false;
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}
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#else
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struct stat st;
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if (stat(d->ttyName.data(), &st))
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return false; // this just cannot happen ... *cough* Yeah right, I just
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// had it happen when pty #349 was allocated. I guess
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// there was some sort of leak? I only had a few open.
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if (((st.st_uid != getuid()) ||
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(st.st_mode & (S_IRGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH))) &&
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!chownpty(true))
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{
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kdWarning(175)
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<< "KPty::_attachPty(): " << "chownpty failed for device " << d->ttyName << endl
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<< "KPty::_attachPty(): " << "This means the communication can be eavesdropped." << endl;
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}
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#endif
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#ifdef BSD
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revoke(d->ttyName.data());
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revoke(d->ttyName.data());
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#endif
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#ifdef HAVE_UNLOCKPT
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unlockpt(d->masterFd);
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unlockpt(d->masterFd);
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#endif
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d->slaveFd = ::open(d->ttyName.data(), O_RDWR | O_NOCTTY);
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if (d->slaveFd < 0)
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{
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kdWarning(175) << "KPty::_attachPty(): " << "Can't open slave pseudo teletype" << endl;
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::close(d->masterFd);
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d->masterFd = -1;
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return false;
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d->slaveFd = ::open(d->ttyName.data(), O_RDWR | O_NOCTTY);
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if (d->slaveFd < 0)
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{
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kdWarning(175) << "KPty::_attachPty(): " << "Can't open slave pseudo teletype" << endl;
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::close(d->masterFd);
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d->masterFd = -1;
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return false;
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}
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#ifdef HAVE_OPENPTY
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// set screen size
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ioctl(d->slaveFd, TIOCSWINSZ, (char *)&d->winSize);
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#endif
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}
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#if (defined(__svr4__) || defined(__sgi__))
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@ -294,8 +305,10 @@ bool KPty::_attachPty(int pty_master)
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_tcsetattr(d->slaveFd, &ttmode);
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#ifndef HAVE_OPENPTY
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// set screen size
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ioctl(d->slaveFd, TIOCSWINSZ, (char *)&d->winSize);
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#endif
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fcntl(d->masterFd, F_SETFD, FD_CLOEXEC);
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fcntl(d->slaveFd, F_SETFD, FD_CLOEXEC);
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