glibc/sysdeps/generic/bp-semctl.h

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* sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise. 2000-07-26 Greg McGary <greg@mcgary.org> * sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise.
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/* Bounded-pointer checking macros for C.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
* sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise. 2000-07-26 Greg McGary <greg@mcgary.org> * sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise.
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Contributed by Greg McGary <greg@mcgary.org>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _bp_semctl_h_
#define _bp_semctl_h_ 1
#if __BOUNDED_POINTERS__
# define CHECK_SEMCTL(ARGP, SEMID, CMD) check_semctl (ARGP, SEMID, CMD)
union semun *__unbounded
check_semctl (union semun *arg, int semid, int cmd)
{
int ipc64 = (cmd & __IPC_64);
switch (cmd & ~__IPC_64)
{
case IPC_STAT:
case IPC_SET:
(void) CHECK_1 (arg->buf);
break;
case GETALL:
case SETALL:
{
struct semid_ds ds;
union semun un = { buf: &ds };
* sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise. 2000-07-26 Greg McGary <greg@mcgary.org> * sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise.
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unsigned int length = ~0;
/* It's unfortunate that we need to make a recursive
system call to get the size of the semaphore set... */
if (semctl (semid, 0, IPC_STAT | ipc64, un) == 0)
* sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise. 2000-07-26 Greg McGary <greg@mcgary.org> * sysdeps/gnu/bits/msq.h: Qualify kernel's data structure pointers as __unbounded. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/generic/bp-semctl.h: New file. * sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure pointers as __unbounded. Check bounds of syscall args. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semctl.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. * sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. * sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise.
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length = ds.sem_nsems;
(void) CHECK_N (arg->array, length);
break;
}
case IPC_INFO:
(void) CHECK_1 (arg->__buf);
break;
}
return __ptrvalue (arg);
}
#else
# define CHECK_SEMCTL(ARGP, SEMID, CMD) (ARGP)
#endif
#endif /* _bp_semctl_h_ */