ckvolseq.c revision 9781:ccf49524d5dc 
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 2009 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
32#include <stdio.h>
33#include <limits.h>
34#include <stdlib.h>
35#include <unistd.h>
36#include <sys/types.h>
37#include "pkgstrct.h"
38#include "pkglib.h"
39#include "pkglibmsgs.h"
40#include "pkglocale.h"
41
42#define	PKGMAP	"pkgmap"
43#define	PKGINFO	"pkginfo"
44
45int
46ckvolseq(char *dir, int part, int nparts)
47{
48	static struct cinfo cinfo;
49	char	ftype, path[PATH_MAX];
50
51	if (part > 0) {
52		ftype = 'f';
53		if (part == 1) {
54			/*
55			 * save stats about content information of pkginfo
56			 * file in order to verify multi-volume packages
57			 */
58			cinfo.cksum = cinfo.size = cinfo.modtime = (-1L);
59			(void) snprintf(path, sizeof (path), "%s/pkginfo", dir);
60			if (cverify(0, &ftype, path, &cinfo, 1)) {
61				logerr(pkg_gt(ERR_BADPKGINFO), path);
62				logerr(getErrbufAddr());
63				return (1);
64			}
65			(void) snprintf(path, sizeof (path), "%s/pkgmap", dir);
66			if (access(path, 0)) {
67				logerr(pkg_gt(ERR_NOPKGMAP), path);
68				return (2);
69			}
70		} else {
71			/* temp fix due to summit problem */
72			cinfo.modtime = (-1);
73
74			/* pkginfo file doesn't match first floppy */
75			(void) snprintf(path, sizeof (path), "%s/pkginfo", dir);
76			if (cverify(0, &ftype, path, &cinfo, 1)) {
77				logerr(pkg_gt(MSG_CORRUPT));
78				logerr(getErrbufAddr());
79				return (1);
80			}
81		}
82	} else
83		part = (-part);
84
85	/*
86	 * each volume in a multi-volume package must
87	 * contain either the root.n or reloc.n directories
88	 */
89	if (nparts != 1) {
90		/* look for multi-volume specification */
91		(void) snprintf(path, sizeof (path), "%s/root.%d", dir, part);
92		if (access(path, 0) == 0)
93			return (0);
94		(void) snprintf(path, sizeof (path), "%s/reloc.%d", dir, part);
95		if (access(path, 0) == 0)
96			return (0);
97		if (part == 1) {
98			(void) snprintf(path, sizeof (path), "%s/install",
99								dir, part);
100			if (access(path, 0) == 0)
101				return (0);
102		}
103		if (nparts) {
104			logerr(pkg_gt(MSG_SEQ));
105			return (2);
106		}
107	}
108	return (0);
109}
110