10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 52170Sevanl * Common Development and Distribution License (the "License"). 62170Sevanl * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*4092Sevanl * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 270Sstevel@tonic-gate 280Sstevel@tonic-gate #include <sys/types.h> 290Sstevel@tonic-gate #include <sys/systm.h> 300Sstevel@tonic-gate #include <sys/zone.h> 310Sstevel@tonic-gate #include <sys/errno.h> 320Sstevel@tonic-gate #include <sys/cred.h> 330Sstevel@tonic-gate #include <sys/policy.h> 340Sstevel@tonic-gate 350Sstevel@tonic-gate #include <sys/fs/autofs.h> 360Sstevel@tonic-gate 372170Sevanl extern struct autofs_globals *autofs_zone_init(void); 382170Sevanl 390Sstevel@tonic-gate int 400Sstevel@tonic-gate autofssys(enum autofssys_op opcode, uintptr_t arg) 410Sstevel@tonic-gate { 420Sstevel@tonic-gate int error = 0; 430Sstevel@tonic-gate 440Sstevel@tonic-gate switch (opcode) { 450Sstevel@tonic-gate case AUTOFS_UNMOUNTALL: { /* attempt to remove all autofs mounts */ 460Sstevel@tonic-gate zone_t *zone; 470Sstevel@tonic-gate zoneid_t zoneid; 480Sstevel@tonic-gate struct autofs_globals *fngp; 490Sstevel@tonic-gate 500Sstevel@tonic-gate zoneid = (zoneid_t)arg; 510Sstevel@tonic-gate if (secpolicy_fs_unmount(CRED(), NULL) != 0 || 520Sstevel@tonic-gate crgetzoneid(CRED()) != GLOBAL_ZONEID) 530Sstevel@tonic-gate return (set_errno(EPERM)); 540Sstevel@tonic-gate if ((zone = zone_find_by_id(zoneid)) == NULL) 550Sstevel@tonic-gate return (set_errno(EINVAL)); 56*4092Sevanl mutex_enter(&autofs_minor_lock); 570Sstevel@tonic-gate fngp = zone_getspecific(autofs_key, zone); 580Sstevel@tonic-gate if (fngp == NULL) { 59*4092Sevanl mutex_exit(&autofs_minor_lock); 600Sstevel@tonic-gate zone_rele(zone); 610Sstevel@tonic-gate /* 620Sstevel@tonic-gate * There were no mounts, so no work to do. Success. 630Sstevel@tonic-gate */ 640Sstevel@tonic-gate return (0); 650Sstevel@tonic-gate } 66*4092Sevanl mutex_exit(&autofs_minor_lock); 670Sstevel@tonic-gate unmount_tree(fngp, 1); 680Sstevel@tonic-gate zone_rele(zone); 690Sstevel@tonic-gate break; 700Sstevel@tonic-gate } 712170Sevanl case AUTOFS_SETDOOR: { /* set door handle for zone */ 722170Sevanl uint_t did; 732170Sevanl struct autofs_globals *fngp; 742170Sevanl 75*4092Sevanl /* 76*4092Sevanl * We need to use the minor_lock to serialize setting this. 77*4092Sevanl */ 78*4092Sevanl mutex_enter(&autofs_minor_lock); 792170Sevanl fngp = zone_getspecific(autofs_key, curproc->p_zone); 802170Sevanl if (fngp == NULL) { 812170Sevanl fngp = autofs_zone_init(); 822170Sevanl (void) zone_setspecific(autofs_key, 832170Sevanl curproc->p_zone, fngp); 842170Sevanl } 85*4092Sevanl mutex_exit(&autofs_minor_lock); 862170Sevanl ASSERT(fngp != NULL); 872170Sevanl 882170Sevanl if (copyin((uint_t *)arg, &did, sizeof (uint_t))) 892170Sevanl return (set_errno(EFAULT)); 902170Sevanl 912170Sevanl mutex_enter(&fngp->fng_autofs_daemon_lock); 922170Sevanl if (fngp->fng_autofs_daemon_dh) 932170Sevanl door_ki_rele(fngp->fng_autofs_daemon_dh); 942170Sevanl fngp->fng_autofs_daemon_dh = door_ki_lookup(did); 952170Sevanl fngp->fng_autofs_pid = curproc->p_pid; 962170Sevanl mutex_exit(&fngp->fng_autofs_daemon_lock); 972170Sevanl break; 982170Sevanl } 990Sstevel@tonic-gate default: 1000Sstevel@tonic-gate error = EINVAL; 1010Sstevel@tonic-gate break; 1020Sstevel@tonic-gate } 1030Sstevel@tonic-gate return (error ? set_errno(error) : 0); 1040Sstevel@tonic-gate } 105