--- TEShell.C.ori	Mon Dec 21 01:16:00 1998
+++ TEShell.C	Sun Dec 27 17:18:35 1998
@@ -35,6 +35,7 @@
 #include <termios.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <asm/asm-i386/ioctls.h>
 #include <sys/ioctl.h>
 #include <grp.h>
 #include "../../config.h"
@@ -88,6 +89,7 @@
   emit done(status);
 }
 
+
 int Shell::run(QStrList & args, const char* term)
 {
   pid_t comm_pid = fork();
@@ -109,7 +111,7 @@
  
   // Don't know why, but his is vital for SIGHUP to find the child.
   // Could be, we get rid of the controling terminal by this.
-  for (int i = 0; i < getdtablesize(); i++) if (i != tt) close(i);
+  for (int i = 0; i < getdtablesize(); i++) if (i != tt && i != fd) close(i);
 
   dup2(tt,fileno(stdin));
   dup2(tt,fileno(stdout));
@@ -133,6 +135,11 @@
   setpgid(0,0);                        // is not noticeable with all
   close(open(dev, O_WRONLY, 0));       // clients (bash,vi). Because bash
   setpgid(0,0);                        // heals this, use '-e' to test it.
+
+  int flag = 1;
+  if (ioctl(fd,TIOCSPTLCK,&flag))      // prohibit opening tty from now on
+    perror("cannot set secure");
+  close(fd);
   
   // drop privileges
   setuid(getuid()); setgid(getgid());
@@ -186,6 +193,7 @@
   }
   if (ptyfd < 0) { fprintf(stderr,"Can't open a pseudo teletype\n"); exit(1); }
   fcntl(ptyfd,F_SETFL,O_NDELAY);
+printf("using: %s <-> %s\n",ptynam,ttynam);
 
   return ptyfd;
 }