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sysv_ipc.c (31261) sysv_ipc.c (43426)
1/* $Id: sysv_ipc.c,v 1.7 1997/11/06 19:29:22 phk Exp $ */
1/* $Id: sysv_ipc.c,v 1.8 1997/11/18 12:52:10 bde Exp $ */
2/* $NetBSD: sysv_ipc.c,v 1.7 1994/06/29 06:33:11 cgd Exp $ */
3
4/*
5 * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions

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36#include <sys/param.h>
37#include <sys/ipc.h>
38#include <sys/ucred.h>
39
40#if defined(SYSVSEM) || defined(SYSVSHM) || defined(SYSVMSG)
41
42/*
43 * Check for ipc permission
2/* $NetBSD: sysv_ipc.c,v 1.7 1994/06/29 06:33:11 cgd Exp $ */
3
4/*
5 * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions

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36#include <sys/param.h>
37#include <sys/ipc.h>
38#include <sys/ucred.h>
39
40#if defined(SYSVSEM) || defined(SYSVSHM) || defined(SYSVMSG)
41
42/*
43 * Check for ipc permission
44 *
45 * XXX: Should pass proc argument so that we can pass
46 * XXX: proc->p_acflag to suser()
44 */
45
46int
47ipcperm(cred, perm, mode)
48 struct ucred *cred;
49 struct ipc_perm *perm;
50 int mode;
51{
52
47 */
48
49int
50ipcperm(cred, perm, mode)
51 struct ucred *cred;
52 struct ipc_perm *perm;
53 int mode;
54{
55
53 if (cred->cr_uid == 0)
56 if (suser(cred, (u_short *)NULL))
54 return (0);
55
56 /* Check for user match. */
57 if (cred->cr_uid != perm->cuid && cred->cr_uid != perm->uid) {
58 if (mode & IPC_M)
59 return (EPERM);
60 /* Check for group match. */
61 mode >>= 3;

--- 222 unchanged lines hidden --- 		57 return (0);
58
59 /* Check for user match. */
60 if (cred->cr_uid != perm->cuid && cred->cr_uid != perm->uid) {
61 if (mode & IPC_M)
62 return (EPERM);
63 /* Check for group match. */
64 mode >>= 3;

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