package.c revision 15883 
1/*
2 * The new sysinstall program.
3 *
4 * This is probably the last program in the `sysinstall' line - the next
5 * generation being essentially a complete rewrite.
6 *
7 * $Id: package.c,v 1.36 1996/05/16 11:47:42 jkh Exp $
8 *
9 * Copyright (c) 1995
10 *	Jordan Hubbard.  All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer,
17 *    verbatim and that no modifications are made prior to this
18 *    point in the file.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 */
36
37#include <stdio.h>
38#include <string.h>
39#include <stdlib.h>
40#include <sys/errno.h>
41#include <sys/time.h>
42#include <sys/param.h>
43#include <sys/mount.h>
44#include <sys/stat.h>
45#include "sysinstall.h"
46
47/* Like package_extract, but assumes current media device */
48int
49package_add(char *name)
50{
51    if (!mediaVerify())
52	return DITEM_FAILURE;
53    return package_extract(mediaDevice, name, FALSE);
54}
55
56Boolean
57package_exists(char *name)
58{
59    int status = vsystem("pkg_info -e %s", name);
60
61    msgDebug("package check for %s returns %s.\n", name,
62	     status ? "failure" : "success");
63    return !status;
64}
65
66/* Extract a package based on a namespec and a media device */
67int
68package_extract(Device *dev, char *name, Boolean depended)
69{
70    char path[511];
71    int fd, ret;
72
73    /* If necessary, initialize the ldconfig hints */
74    if (!file_readable("/var/run/ld.so.hints"))
75	vsystem("ldconfig /usr/lib /usr/local/lib /usr/X11R6/lib");
76
77    /* Check to make sure it's not already there */
78    msgNotify("Checking for existence of %s package", name);
79    if (package_exists(name))
80	return DITEM_SUCCESS;
81
82    if (!dev->init(dev)) {
83	msgConfirm("Unable to initialize media type for package extract.");
84	return DITEM_FAILURE;
85    }
86
87    /* Be initially optimistic */
88    ret = DITEM_SUCCESS | DITEM_RESTORE;
89    /* Make a couple of paranoid locations for temp files to live if user specified none */
90    if (!variable_get("PKG_TMPDIR")) {
91	Mkdir("/usr/tmp", NULL);
92	Mkdir("/var/tmp", NULL);
93	/* Set it to a location with as much space as possible */
94	variable_set2("PKG_TMPDIR", "/usr/tmp");
95    }
96
97    sprintf(path, "packages/All/%s%s", name, strstr(name, ".tgz") ? "" : ".tgz");
98    fd = dev->get(dev, path, TRUE);
99    if (fd >= 0) {
100	int i, tot, pfd[2];
101	pid_t pid;
102
103	msgNotify("Adding %s%s\nfrom %s", path, depended ? " (as a dependency)" : "", dev->name);
104	pipe(pfd);
105	pid = fork();
106	if (!pid) {
107	    dup2(pfd[0], 0); close(pfd[0]);
108	    dup2(DebugFD, 1);
109	    close(2);
110	    close(pfd[1]);
111	    i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-", 0);
112	    if (isDebug())
113		msgDebug("pkg_add returns %d status\n", i);
114	}
115	else {
116	    char buf[BUFSIZ];
117	    WINDOW *w = savescr();
118	    struct timeval start, stop;
119
120	    close(pfd[0]);
121	    tot = 0;
122	    (void)gettimeofday(&start, (struct timezone *)0);
123
124	    while ((i = read(fd, buf, BUFSIZ)) > 0) {
125		int seconds;
126
127		tot += i;
128		/* Print statistics about how we're doing */
129		(void) gettimeofday(&stop, (struct timezone *)0);
130		stop.tv_sec = stop.tv_sec - start.tv_sec;
131		stop.tv_usec = stop.tv_usec - start.tv_usec;
132		if (stop.tv_usec < 0)
133		    stop.tv_sec--, stop.tv_usec += 1000000;
134		seconds = stop.tv_sec + (stop.tv_usec / 1000000.0);
135		if (!seconds)
136		    seconds = 1;
137		msgInfo("%d bytes read from package %s, %d KBytes/second", tot, name, (tot / seconds) / 1024);
138		/* Write it out */
139		if (write(pfd[1], buf, i) != i) {
140		    msgInfo("Write failure to pkg_add!  Package may be corrupt.");
141		    break;
142		}
143	    }
144	    close(pfd[1]);
145	    dev->close(dev, fd);
146	    msgInfo("Package %s read successfully - waiting for pkg_add", name);
147	    refresh();
148	    i = waitpid(pid, &tot, 0);
149	    if (i < 0 || WEXITSTATUS(tot)) {
150		msgNotify("Add of package %s aborted due to some error -\n"
151			  "Please check the debug screen for more info.");
152	    }
153	    else
154		msgNotify("Package %s was added successfully", name);
155	    sleep(1);
156	    restorescr(w);
157	}
158    }
159    else {
160	msgDebug("pkg_extract: get operation returned %d\n", fd);
161	dialog_clear();
162	if (variable_get(VAR_NO_CONFIRM))
163	    msgNotify("Unable to fetch package %s from selected media.\n"
164		      "No package add will be done.", name);
165	else {
166	    msgConfirm("Unable to fetch package %s from selected media.\n"
167		       "No package add will be done.", name);
168	}
169	ret = DITEM_FAILURE | DITEM_RESTORE;
170    }
171    return ret;
172}
173