usr/src/cmd/svr4pkg/pkginstall/pkgvolume.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /* All Rights Reserved */
  29
  30
  31 #include <stdio.h>
  32 #include <limits.h>
  33 #include <stdlib.h>
  34 #include <unistd.h>
  35 #include <string.h>
  36 #include <sys/mount.h>
  37 #include <pkgdev.h>
  38 #include <locale.h>
  39 #include <libintl.h>
  40 #include <pkglib.h>
  41 #include <libadm.h>
  42 #include <libinst.h>
  43
  44 extern char     instdir[], pkgbin[];
  45
  46 void
  47 pkgvolume(struct pkgdev *devp, char *pkg, int part, int nparts)
  48 {
  49         static int      cpart = 0;
  50         char    path[PATH_MAX];
  51         int     n;
  52
  53         if (devp->cdevice)
  54                 return;
  55         if (cpart == part)
  56                 return;
  57         cpart = part;
  58
  59         if (part == 1) {
  60                 if (ckvolseq(instdir, 1, nparts)) {
  61                         progerr(gettext("corrupt directory structure"));
  62                         quit(99);
  63                 }
  64                 cpart = 1;
  65                 return;
  66         }
  67
  68         if (devp->mount == NULL) {
  69                 if (ckvolseq(instdir, part, nparts)) {
  70                         progerr(gettext("corrupt directory structure"));
  71                         quit(99);
  72                 }
  73                 return;
  74         }
  75
  76         for (;;) {
  77                 (void) chdir("/");
  78                 if (n = pkgumount(devp)) {
  79                         progerr(gettext("attempt to unmount <%s> failed (%d)"),
  80                                 devp->bdevice, n);
  81                         quit(99);
  82                 }
  83                 if (n = pkgmount(devp, pkg, part, nparts, 1))
  84                         quit(n);
  85                 (void) sprintf(path, "%s/%s", devp->dirname, pkg);
  86                 if (ckvolseq(path, part, nparts) == 0)
  87                         break;
  88         }
  89 }