Fix permission of slave device on devpts if necessary.
If devptr is misconfigured the slave device permission after grantpt might not be 0620. BZ #10166
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2009-06-15 Ulrich Drepper <drepper@redhat.com>
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[BZ #10166]
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* sysdeps/unix/sysv/linux/grantpt.c: If slave device is on devpts or
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devfs, the mode might not be correct. Check it and return only if it
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is correct.
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[BZ #10183]
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* posix/tst-cpucount.c: Don't try more than CPU_SETSIZE bits.
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@ -1,4 +1,4 @@
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/* Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1998, 1999, 2001, 2002, 2009 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -70,9 +70,16 @@ grantpt (int fd)
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return -1;
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/* If the slave pseudo terminal lives on a `devpts' filesystem, the
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ownership and access permission are already set. */
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ownership is already set and the access permission might already
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be set. */
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if (fsbuf.f_type == DEVPTS_SUPER_MAGIC || fsbuf.f_type == DEVFS_SUPER_MAGIC)
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return 0;
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{
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struct stat64 st;
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if (fstat (fd, &st) == 0
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&& (st.st_mode & ACCESSPERMS) == (S_IRUSR|S_IWUSR|S_IWGRP))
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return 0;
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}
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return __unix_grantpt (fd);
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}
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