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 <errno.h>
34#include <string.h>
35#include <stdlib.h>
36#include <unistd.h>
37#include <pkgdev.h>
38#include <pkginfo.h>
39#include <sys/types.h>
40#include <devmgmt.h>
41#include <sys/mount.h>
42#include "pkglib.h"
43#include "pkglibmsgs.h"
44#include "pkglocale.h"
45
46/* libadm.a */
47extern int	getvol(char *device, char *label, int options, char *prompt);
48
49#define	CMDSIZ	256
50
51int
52pkgmount(struct pkgdev *devp, char *pkg, int part, int nparts, int getvolflg)
53{
54	int	n;
55	char	*pt, prompt[64], cmd[CMDSIZ];
56	FILE	*pp;
57
58	if (getuid()) {
59		progerr(pkg_gt(ERR_NOTROOT));
60		return (99);
61	}
62
63	if (part && nparts) {
64		if (pkg) {
65			(void) snprintf(prompt, sizeof (prompt),
66			    pkg_gt(LABEL0), part, nparts, pkg);
67		} else {
68			(void) snprintf(prompt, sizeof (prompt),
69			    pkg_gt(LABEL1), part, nparts);
70		}
71	} else if (pkg)
72		(void) snprintf(prompt, sizeof (prompt), pkg_gt(LABEL2), pkg);
73	else
74		(void) snprintf(prompt, sizeof (prompt), pkg_gt(LABEL3));
75
76	n = 0;
77	for (;;) {
78		if (!getvolflg && n)
79			/*
80			 * Return to caller if not prompting
81			 * and error was encountered.
82			 */
83			return (-1);
84		if (getvolflg && (n = getvol(devp->bdevice, NULL,
85		    (devp->rdonly ? 0 : DM_FORMFS|DM_WLABEL), prompt))) {
86			if (n == 3)
87				return (3);
88			if (n == 2)
89				progerr(pkg_gt("unknown device <%s>"),
90				    devp->bdevice);
91			else
92				progerr(
93				    pkg_gt("unable to obtain package volume"));
94			return (99);
95		}
96
97		if (devp->fstyp == NULL) {
98			(void) snprintf(cmd, sizeof (cmd),
99			    "%s %s", FSTYP, devp->bdevice);
100			if ((pp = epopen(cmd, "r")) == NULL) {
101				rpterr();
102				logerr(pkg_gt(ERR_FSTYP), devp->bdevice);
103				n = -1;
104				continue;
105			}
106			cmd[0] = '\0';
107			if (fgets(cmd, CMDSIZ, pp) == NULL) {
108				logerr(pkg_gt(ERR_FSTYP), devp->bdevice);
109				(void) pclose(pp);
110				n = -1;
111				continue;
112			}
113			if (epclose(pp)) {
114				rpterr();
115				logerr(pkg_gt(ERR_FSTYP), devp->bdevice);
116				n = -1;
117				continue;
118			}
119			if (pt = strpbrk(cmd, " \t\n"))
120				*pt = '\0';
121			if (cmd[0] == '\0') {
122				logerr(pkg_gt(ERR_FSTYP), devp->bdevice);
123				n = -1;
124				continue;
125			}
126			devp->fstyp = strdup(cmd);
127		}
128
129		if (devp->rdonly) {
130			n = pkgexecl(NULL, NULL, NULL, NULL, MOUNT, "-r", "-F",
131			    devp->fstyp, devp->bdevice, devp->mount, NULL);
132		} else {
133			n = pkgexecl(NULL, NULL, NULL, NULL, MOUNT, "-F",
134			    devp->fstyp, devp->bdevice, devp->mount, NULL);
135		}
136		if (n) {
137			progerr(pkg_gt("mount of %s failed"), devp->bdevice);
138			continue;
139		}
140		devp->mntflg++;
141		break;
142	}
143	return (0);
144}
145
146int
147pkgumount(struct pkgdev *devp)
148{
149	int	n = 1;
150	int	retry = 10;
151
152	if (!devp->mntflg)
153		return (0);
154
155	while (n != 0 && retry-- > 0) {
156		n = pkgexecl(NULL, NULL, NULL, NULL, UMOUNT, devp->bdevice,
157		    NULL);
158		if (n != 0) {
159			progerr(pkg_gt("retrying umount of %s"),
160			    devp->bdevice);
161			(void) sleep(5);
162		}
163	}
164	if (n == 0)
165		devp->mntflg = 0;
166	return (n);
167}
168