0fd25723bc
Stop leaking kernel pointers though theses sysctls and make sure that the padding in the structures is zeroed on allocation to avoid other leaks. Reviewed by: gordon, kib Obtained from: CheriBSD MFC after: 1 week Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D13459
195 lines
4.4 KiB
C
195 lines
4.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2002 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _COMPAT_FREEBSD32_FREEBSD32_IPC_H_
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#define _COMPAT_FREEBSD32_FREEBSD32_IPC_H_
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struct ipc_perm32 {
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uid_t cuid;
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gid_t cgid;
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uid_t uid;
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gid_t gid;
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mode_t mode;
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uint16_t seq;
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uint32_t key;
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};
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struct semid_ds32 {
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struct ipc_perm32 sem_perm;
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uint32_t sem_base;
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unsigned short sem_nsems;
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int32_t sem_otime;
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int32_t sem_ctime;
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};
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#ifdef _KERNEL
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struct semid_kernel32 {
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/* Data structure exposed to user space. */
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struct semid_ds32 u;
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/* Kernel-private components of the semaphore. */
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int32_t label;
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int32_t cred;
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};
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#endif /* _KERNEL */
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union semun32 {
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int val;
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uint32_t buf;
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uint32_t array;
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};
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struct msqid_ds32 {
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struct ipc_perm32 msg_perm;
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uint32_t msg_first;
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uint32_t msg_last;
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uint32_t msg_cbytes;
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uint32_t msg_qnum;
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uint32_t msg_qbytes;
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pid_t msg_lspid;
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pid_t msg_lrpid;
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int32_t msg_stime;
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int32_t msg_rtime;
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int32_t msg_ctime;
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};
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#ifdef _KERNEL
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struct msqid_kernel32 {
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/* Data structure exposed to user space. */
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struct msqid_ds32 u;
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/* Kernel-private components of the message queue. */
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uint32_t label;
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uint32_t cred;
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};
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#endif
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struct shmid_ds32 {
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struct ipc_perm32 shm_perm;
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int32_t shm_segsz;
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pid_t shm_lpid;
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pid_t shm_cpid;
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unsigned int shm_nattch;
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int32_t shm_atime;
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int32_t shm_dtime;
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int32_t shm_ctime;
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};
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#ifdef _KERNEL
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struct shmid_kernel32 {
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struct shmid_ds32 u;
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int32_t *object;
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int32_t *label;
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int32_t *cred;
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};
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#endif
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struct shm_info32 {
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int32_t used_ids;
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uint32_t shm_tot;
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uint32_t shm_rss;
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uint32_t shm_swp;
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uint32_t swap_attempts;
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uint32_t swap_successes;
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};
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struct shminfo32 {
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uint32_t shmmax;
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uint32_t shmmin;
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uint32_t shmmni;
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uint32_t shmseg;
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uint32_t shmall;
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};
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#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \
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defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7)
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struct ipc_perm32_old {
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uint16_t cuid;
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uint16_t cgid;
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uint16_t uid;
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uint16_t gid;
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uint16_t mode;
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uint16_t seq;
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uint32_t key;
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};
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struct semid_ds32_old {
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struct ipc_perm32_old sem_perm;
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uint32_t sem_base;
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unsigned short sem_nsems;
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int32_t sem_otime;
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int32_t sem_pad1;
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int32_t sem_ctime;
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int32_t sem_pad2;
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int32_t sem_pad3[4];
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};
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struct msqid_ds32_old {
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struct ipc_perm32_old msg_perm;
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uint32_t msg_first;
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uint32_t msg_last;
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uint32_t msg_cbytes;
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uint32_t msg_qnum;
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uint32_t msg_qbytes;
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pid_t msg_lspid;
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pid_t msg_lrpid;
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int32_t msg_stime;
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int32_t msg_pad1;
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int32_t msg_rtime;
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int32_t msg_pad2;
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int32_t msg_ctime;
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int32_t msg_pad3;
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int32_t msg_pad4[4];
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};
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struct shmid_ds32_old {
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struct ipc_perm32_old shm_perm;
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int32_t shm_segsz;
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pid_t shm_lpid;
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pid_t shm_cpid;
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int16_t shm_nattch;
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int32_t shm_atime;
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int32_t shm_dtime;
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int32_t shm_ctime;
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uint32_t shm_internal;
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};
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void freebsd32_ipcperm_old_in(struct ipc_perm32_old *ip32,
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struct ipc_perm *ip);
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void freebsd32_ipcperm_old_out(struct ipc_perm *ip,
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struct ipc_perm32_old *ip32);
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#endif
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void freebsd32_ipcperm_in(struct ipc_perm32 *ip32, struct ipc_perm *ip);
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void freebsd32_ipcperm_out(struct ipc_perm *ip, struct ipc_perm32 *ip32);
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#endif /* !_COMPAT_FREEBSD32_FREEBSD32_IPC_H_ */
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