X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/de355530ae67247cbd0da700edb3a2a1dae884c2..0b4c1975fb5e4eccf1012a35081f7e7799b81046:/bsd/kern/sysv_ipc.c?ds=sidebyside diff --git a/bsd/kern/sysv_ipc.c b/bsd/kern/sysv_ipc.c index e39505b70..95c23d418 100644 --- a/bsd/kern/sysv_ipc.c +++ b/bsd/kern/sysv_ipc.c @@ -1,23 +1,29 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* $NetBSD: sysv_ipc.c,v 1.7 1994/06/29 06:33:11 cgd Exp $ */ @@ -55,6 +61,7 @@ #include #include #include +#include /* @@ -64,96 +71,35 @@ * XXX: proc->p_acflag to suser() */ +/* + * Returns: 0 Success + * EPERM + * EACCES + */ int -ipcperm(cred, perm, mode) - struct ucred *cred; - struct ipc_perm *perm; - int mode; +ipcperm(kauth_cred_t cred, struct ipc_perm *perm, int mode) { if (!suser(cred, (u_short *)NULL)) return (0); /* Check for user match. */ - if (cred->cr_uid != perm->cuid && cred->cr_uid != perm->uid) { + if (kauth_cred_getuid(cred) != perm->cuid && kauth_cred_getuid(cred) != perm->uid) { + int is_member; + if (mode & IPC_M) return (EPERM); /* Check for group match. */ mode >>= 3; - if (!groupmember(perm->gid, cred) && - !groupmember(perm->cgid, cred)) + if ((kauth_cred_ismember_gid(cred, perm->gid, &is_member) || !is_member) && + (kauth_cred_ismember_gid(cred, perm->cgid, &is_member) || !is_member)) { /* Check for `other' match. */ mode >>= 3; } + } if (mode & IPC_M) return (0); + return ((mode & perm->mode) == mode ? 0 : EACCES); } - - - -/* - * SYSVMSG stubs - */ - -int -msgsys(p, uap) - struct proc *p; - /* XXX actually varargs. */ -#if 0 - struct msgsys_args *uap; -#else - void *uap; -#endif -{ - return(EOPNOTSUPP); -}; - -int -msgctl(p, uap) - struct proc *p; -#if 0 - register struct msgctl_args *uap; -#else - void *uap; -#endif -{ - return(EOPNOTSUPP); -}; - -int -msgget(p, uap) - struct proc *p; -#if 0 - register struct msgget_args *uap; -#else - void *uap; -#endif -{ - return(EOPNOTSUPP); -}; - -int -msgsnd(p, uap) - struct proc *p; -#if 0 - register struct msgsnd_args *uap; -#else - void *uap; -#endif -{ - return(EOPNOTSUPP); -}; - -int -msgrcv(p, uap) - struct proc *p; -#if 0 - register struct msgrcv_args *uap; -#else - void *uap; -#endif -{ - return(EOPNOTSUPP); -};