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* sysdeps/gnu/bits/msq.h: Qualify kernel's

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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.
This commit is contained in:
Greg McGary
2000-07-27 06:25:28 +00:00
parent 4362aba591
commit d25c879dc5
21 changed files with 250 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
sysdeps/unix/sysv/linux/alpha/msgctl.c
View File

@@ -24,19 +24,20 @@
#include <sysdep.h>
#include <string.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
struct __old_msqid_ds
{
struct __old_ipc_perm msg_perm; /* structure describing operation permission */
struct msg *__msg_first; /* pointer to first message on queue */
struct msg *__msg_last; /* pointer to last message on queue */
struct msg *__unbounded __msg_first; /* pointer to first message on queue */
struct msg *__unbounded __msg_last; /* pointer to last message on queue */
__time_t msg_stime; /* time of last msgsnd command */
__time_t msg_rtime; /* time of last msgrcv command */
__time_t msg_ctime; /* time of last change */
struct wait_queue *__wwait; /* ??? */
struct wait_queue *__rwait; /* ??? */
struct wait_queue *__unbounded __wwait; /* ??? */
struct wait_queue *__unbounded __rwait; /* ??? */
unsigned short int __msg_cbytes; /* current number of bytes on queue */
unsigned short int msg_qnum; /* number of messages currently on queue */
unsigned short int msg_qbytes; /* max number of bytes allowed on queue */
@@ -57,7 +58,7 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
of time. However, msg_qnum and msg_qbytes changed size at
the same time the size of uid changed elsewhere. */
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, buf);
return INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, CHECK_1 (buf));
#else
switch (cmd) {
case MSG_STAT:
@@ -65,7 +66,7 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
case IPC_SET:
break;
default:
return INLINE_SYSCALL (msgctl, 3, msqid, cmd, buf);
return INLINE_SYSCALL (msgctl, 3, msqid, cmd, CHECK_1 (buf));
}
{
@@ -74,7 +75,7 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
/* Unfortunately there is no way how to find out for sure whether
we should use old or new msgctl. */
result = INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, buf);
result = INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, CHECK_1 (buf));
if (result != -1 || errno != EINVAL)
return result;
@@ -93,7 +94,7 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
return -1;
}
}
result = INLINE_SYSCALL (msgctl, 3, msqid, cmd, &old);
result = INLINE_SYSCALL (msgctl, 3, msqid, cmd, __ptrvalue (&old));
if (result != -1 && cmd != IPC_SET)
{
memset(buf, 0, sizeof(*buf));
@@ -120,4 +121,3 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
#include <shlib-compat.h>
versioned_symbol (libc, __new_msgctl, msgctl, GLIBC_2_2);