1 files changed, 0 insertions, 260 deletions
diff --git a/sysdeps/unix/grantpt.c b/sysdeps/unix/grantpt.c
deleted file mode 100644
index a73020e69a..0000000000
--- a/sysdeps/unix/grantpt.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/* Copyright (C) 1998-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <assert.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <grp.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include "pty-private.h"
-
-
-/* Return the result of ptsname_r in the buffer pointed to by PTS,
-   which should be of length BUF_LEN.  If it is too long to fit in
-   this buffer, a sufficiently long buffer is allocated using malloc,
-   and returned in PTS.  0 is returned upon success, -1 otherwise.  */
-static int
-pts_name (int fd, char **pts, size_t buf_len, struct stat64 *stp)
-{
-  int rv;
-  char *buf = *pts;
-
-  for (;;)
-    {
-      char *new_buf;
-
-      if (buf_len)
-	{
-	  rv = __ptsname_internal (fd, buf, buf_len, stp);
-	  if (rv != 0)
-	    {
-	      if (rv == ENOTTY)
-		/* ptsname_r returns with ENOTTY to indicate
-		   a descriptor not referring to a pty master.
-		   For this condition, grantpt must return EINVAL.  */
-		rv = EINVAL;
-	      errno = rv;	/* Not necessarily set by __ptsname_r.  */
-	      break;
-	    }
-
-	  if (memchr (buf, '\0', buf_len))
-	    /* We succeeded and the returned name fit in the buffer.  */
-	    break;
-
-	  /* Try again with a longer buffer.  */
-	  buf_len += buf_len;	/* Double it */
-	}
-      else
-	/* No initial buffer; start out by mallocing one.  */
-	buf_len = 128;		/* First time guess.  */
-
-      if (buf != *pts)
-	/* We've already malloced another buffer at least once.  */
-	new_buf = (char *) realloc (buf, buf_len);
-      else
-	new_buf = (char *) malloc (buf_len);
-      if (! new_buf)
-	{
-	  rv = -1;
-	  __set_errno (ENOMEM);
-	  break;
-	}
-      buf = new_buf;
-    }
-
-  if (rv == 0)
-    *pts = buf;		/* Return buffer to the user.  */
-  else if (buf != *pts)
-    free (buf);		/* Free what we malloced when returning an error.  */
-
-  return rv;
-}
-
-/* Change the ownership and access permission of the slave pseudo
-   terminal associated with the master pseudo terminal specified
-   by FD.  */
-int
-grantpt (int fd)
-{
-  int retval = -1;
-#ifdef PATH_MAX
-  char _buf[PATH_MAX];
-#else
-  char _buf[512];
-#endif
-  char *buf = _buf;
-  struct stat64 st;
-
-  if (__glibc_unlikely (pts_name (fd, &buf, sizeof (_buf), &st)))
-    {
-      int save_errno = errno;
-
-      /* Check, if the file descriptor is valid.  pts_name returns the
-	 wrong errno number, so we cannot use that.  */
-      if (__libc_fcntl (fd, F_GETFD) == -1 && errno == EBADF)
-	return -1;
-
-       /* If the filedescriptor is no TTY, grantpt has to set errno
-	  to EINVAL.  */
-       if (save_errno == ENOTTY)
-	 __set_errno (EINVAL);
-       else
-	 __set_errno (save_errno);
-
-       return -1;
-    }
-
-  /* Make sure that we own the device.  */
-  uid_t uid = __getuid ();
-  if (st.st_uid != uid)
-    {
-      if (__chown (buf, uid, st.st_gid) < 0)
-	goto helper;
-    }
-
-  static int tty_gid = -1;
-  if (__glibc_unlikely (tty_gid == -1))
-    {
-      char *grtmpbuf;
-      struct group grbuf;
-      size_t grbuflen = __sysconf (_SC_GETGR_R_SIZE_MAX);
-      struct group *p;
-
-      /* Get the group ID of the special `tty' group.  */
-      if (grbuflen == (size_t) -1L)
-	/* `sysconf' does not support _SC_GETGR_R_SIZE_MAX.
-	   Try a moderate value.  */
-	grbuflen = 1024;
-      grtmpbuf = (char *) __alloca (grbuflen);
-      __getgrnam_r (TTY_GROUP, &grbuf, grtmpbuf, grbuflen, &p);
-      if (p != NULL)
-	tty_gid = p->gr_gid;
-    }
-  gid_t gid = tty_gid == -1 ? __getgid () : tty_gid;
-
-#if HAVE_PT_CHOWN
-  /* Make sure the group of the device is that special group.  */
-  if (st.st_gid != gid)
-    {
-      if (__chown (buf, uid, gid) < 0)
-	goto helper;
-    }
-
-  /* Make sure the permission mode is set to readable and writable by
-     the owner, and writable by the group.  */
-  mode_t mode = S_IRUSR|S_IWUSR|S_IWGRP;
-#else
-  /* When built without pt_chown, we have delegated the creation of the
-     pty node with the right group and permission mode to the kernel, and
-     non-root users are unlikely to be able to change it. Therefore let's
-     consider that POSIX enforcement is the responsibility of the whole
-     system and not only the GNU libc. Thus accept different group or
-     permission mode.  */
-
-  /* Make sure the permission is set to readable and writable by the
-     owner.  For security reasons, make it writable by the group only
-     when originally writable and when the group of the device is that
-     special group.  */
-  mode_t mode = S_IRUSR|S_IWUSR|
-	        ((st.st_gid == gid) ? (st.st_mode & S_IWGRP) : 0);
-#endif
-
-  if ((st.st_mode & ACCESSPERMS) != mode)
-    {
-      if (__chmod (buf, mode) < 0)
-	goto helper;
-    }
-
-  retval = 0;
-  goto cleanup;
-
-  /* We have to use the helper program if it is available.  */
- helper:;
-
-#if HAVE_PT_CHOWN
-  pid_t pid = __fork ();
-  if (pid == -1)
-    goto cleanup;
-  else if (pid == 0)
-    {
-      /* Disable core dumps.  */
-      struct rlimit rl = { 0, 0 };
-      __setrlimit (RLIMIT_CORE, &rl);
-
-      /* We pass the master pseudo terminal as file descriptor PTY_FILENO.  */
-      if (fd != PTY_FILENO)
-	if (__dup2 (fd, PTY_FILENO) < 0)
-	  _exit (FAIL_EBADF);
-
-# ifdef CLOSE_ALL_FDS
-      CLOSE_ALL_FDS ();
-# endif
-
-      execle (_PATH_PT_CHOWN, __basename (_PATH_PT_CHOWN), NULL, NULL);
-      _exit (FAIL_EXEC);
-    }
-  else
-    {
-      int w;
-
-      if (__waitpid (pid, &w, 0) == -1)
-	goto cleanup;
-      if (!WIFEXITED (w))
-	__set_errno (ENOEXEC);
-      else
-	switch (WEXITSTATUS (w))
-	  {
-	  case 0:
-	    retval = 0;
-	    break;
-	  case FAIL_EBADF:
-	    __set_errno (EBADF);
-	    break;
-	  case FAIL_EINVAL:
-	    __set_errno (EINVAL);
-	    break;
-	  case FAIL_EACCES:
-	    __set_errno (EACCES);
-	    break;
-	  case FAIL_EXEC:
-	    __set_errno (ENOEXEC);
-	    break;
-	  case FAIL_ENOMEM:
-	    __set_errno (ENOMEM);
-	    break;
-
-	  default:
-	    assert(! "grantpt: internal error: invalid exit code from pt_chown");
-	  }
-    }
-#endif
-
- cleanup:
-  if (buf != _buf)
-    free (buf);
-
-  return retval;
-}