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 * Copyright (c) 1995
8 *	Jordan Hubbard.  All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer,
15 *    verbatim and that no modifications are made prior to this
16 *    point in the file.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD$
34 */
35
36#include "sysinstall.h"
37#include <sys/errno.h>
38#include <sys/time.h>
39#include <sys/param.h>
40#include <sys/mount.h>
41#include <sys/stat.h>
42
43static Boolean sigpipe_caught;
44
45static void
46catch_pipe(int sig)
47{
48    sigpipe_caught = TRUE;
49}
50
51extern PkgNode Top;
52
53/* Like package_extract, but assumes current media device and chases deps */
54int
55package_add(char *name)
56{
57    PkgNodePtr tmp;
58    int i, current, low, high;
59
60    if (!mediaVerify())
61	return DITEM_FAILURE;
62
63    if (!DEVICE_INIT(mediaDevice))
64	return DITEM_FAILURE;
65
66    i = index_initialize("packages/INDEX");
67    if (DITEM_STATUS(i) != DITEM_SUCCESS)
68	return i;
69
70    tmp = index_search(&Top, name, &tmp);
71    if (tmp) {
72	if (have_volumes) {
73	    low = low_volume;
74	    high = high_volume;
75	} else
76	    low = high = 0;
77	for (current = low; current <= high; current++)
78	    i = index_extract(mediaDevice, &Top, tmp, FALSE, current);
79	return i;
80    } else {
81	msgConfirm("Sorry, package %s was not found in the INDEX.", name);
82	return DITEM_FAILURE;
83    }
84}
85
86/* For use by dispatch */
87int
88packageAdd(dialogMenuItem *self)
89{
90    char *cp;
91
92    cp = variable_get(VAR_PACKAGE);
93    if (!cp) {
94	msgDebug("packageAdd:  No package name passed in package variable\n");
95	return DITEM_FAILURE;
96    }
97    else
98	return package_add(cp);
99}
100
101Boolean
102package_installed(char *name)
103{
104    char fname[FILENAME_MAX];
105    int status /* = vsystem("pkg_info -e %s", name) */;
106
107    /* XXX KLUDGE ALERT!  This makes evil assumptions about how XXX
108     * packages register themselves and should *really be done with
109     * `pkg_info -e <name>' except that this is too slow for an
110     * item check routine.. :-(
111     */
112    snprintf(fname, FILENAME_MAX, "/var/db/pkg/%s", name);
113    status = access(fname, R_OK);
114    if (isDebug())
115	msgDebug("package check for %s returns %s.\n", name, status ? "failure" : "success");
116    return !status;
117}
118
119/* Extract a package based on a namespec and a media device */
120int
121package_extract(Device *dev, char *name, Boolean depended)
122{
123    char path[MAXPATHLEN];
124    const char *PkgExts[] = { "", ".tbz", ".tbz2", ".tgz" };
125    int last_msg, pathend, ret;
126    size_t ext;
127    FILE *fp;
128
129    last_msg = 0;
130
131    /* Check to make sure it's not already there */
132    if (package_installed(name))
133	return DITEM_SUCCESS;
134
135    if (!DEVICE_INIT(dev)) {
136	msgConfirm("Unable to initialize media type for package extract.");
137	return DITEM_FAILURE;
138    }
139
140    /* If necessary, initialize the ldconfig hints */
141    if (!file_readable("/var/run/ld-elf.so.hints"))
142	vsystem("ldconfig /usr/lib /usr/lib/compat /usr/local/lib");
143
144    /* Be initially optimistic */
145    ret = DITEM_SUCCESS;
146    /* Make a couple of paranoid locations for temp files to live if user specified none */
147    if (!variable_get(VAR_PKG_TMPDIR)) {
148	/* Set it to a location with as much space as possible */
149	variable_set2(VAR_PKG_TMPDIR, "/var/tmp", 0);
150    }
151    Mkdir(variable_get(VAR_PKG_TMPDIR));
152    vsystem("chmod 1777 %s", variable_get(VAR_PKG_TMPDIR));
153
154    if (!index(name, '/')) {
155	if (!strpbrk(name, "-_"))
156	    pathend = snprintf(path, sizeof path, "packages/Latest/%s", name);
157	else
158	    pathend = snprintf(path, sizeof path, "packages/All/%s", name);
159    }
160    else
161	pathend = snprintf(path, sizeof path, "%s", name);
162
163    /* We have a path, call the device strategy routine to get the file */
164    for (ext = 0 ; ext < sizeof PkgExts / sizeof PkgExts[0]; ++ext) {
165	strlcpy(path + pathend, PkgExts[ext], sizeof path - pathend);
166	if ((fp = DEVICE_GET(dev, path, TRUE)))
167	    break;
168    }
169
170    if (fp) {
171	int i = 0, tot, pfd[2];
172	pid_t pid;
173	WINDOW *w = savescr();
174
175	sigpipe_caught = FALSE;
176	signal(SIGPIPE, catch_pipe);
177
178        dialog_clear_norefresh();
179	msgNotify("Adding %s%s\nfrom %s", path, depended ? " (as a dependency)" : "", dev->name);
180	pipe(pfd);
181	pid = fork();
182	if (!pid) {
183	    dup2(pfd[0], 0); close(pfd[0]);
184	    dup2(DebugFD, 1); dup2(1, 2);
185	    close(pfd[1]);
186
187	    /* Prevent pkg_add from wanting to interact in bad ways */
188	    setenv("BATCH", "t", 1);
189
190	    if (isDebug())
191		i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-v", "-",
192		    (char *)0);
193	    else
194		i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-",
195		    (char *)0);
196	}
197	else {
198	    char buf[BUFSIZ];
199	    struct timeval start, stop;
200
201	    close(pfd[0]);
202	    tot = 0;
203	    (void)gettimeofday(&start, (struct timezone *)0);
204
205	    while (!sigpipe_caught && (i = fread(buf, 1, BUFSIZ, fp)) > 0) {
206		int seconds;
207
208		tot += i;
209		/* Print statistics about how we're doing */
210		(void) gettimeofday(&stop, (struct timezone *)0);
211		stop.tv_sec = stop.tv_sec - start.tv_sec;
212		stop.tv_usec = stop.tv_usec - start.tv_usec;
213		if (stop.tv_usec < 0)
214		    stop.tv_sec--, stop.tv_usec += 1000000;
215		seconds = stop.tv_sec + (stop.tv_usec / 1000000.0);
216		if (!seconds)
217		    seconds = 1;
218		if (seconds != last_msg) {
219		    last_msg = seconds;
220		    msgInfo("%10d bytes read from package %s @ %4.1f KBytes/second", tot, name, (tot / seconds) / 1000.0);
221		}
222		/* Write it out */
223		if (sigpipe_caught || write(pfd[1], buf, i) != i) {
224		    msgInfo("Write failure to pkg_add!  Package may be corrupt.");
225		    break;
226		}
227	    }
228	    close(pfd[1]);
229	    fclose(fp);
230	    if (sigpipe_caught)
231		msgInfo("pkg_add(1) apparently did not like the %s package.", name);
232	    else if (i == -1)
233		msgInfo("I/O error while reading in the %s package.", name);
234	    else
235		msgInfo("Package %s read successfully - waiting for pkg_add(1)", name);
236	    refresh();
237	    i = waitpid(pid, &tot, 0);
238	    dialog_clear_norefresh();
239	    if (sigpipe_caught || i < 0 || WEXITSTATUS(tot)) {
240		ret = DITEM_FAILURE;
241		if (variable_get(VAR_NO_CONFIRM))
242		    msgNotify("Add of package %s aborted, error code %d -\n"
243			       "Please check the debug screen for more info.", name, WEXITSTATUS(tot));
244		else
245		    msgConfirm("Add of package %s aborted, error code %d -\n"
246			       "Please check the debug screen for more info.", name, WEXITSTATUS(tot));
247	    }
248	    else
249		msgNotify("Package %s was added successfully", name);
250
251	    /* Now catch any stragglers */
252	    while (wait3(&tot, WNOHANG, NULL) > 0);
253
254	    sleep(1);
255	    restorescr(w);
256	}
257    }
258    else {
259	dialog_clear_norefresh();
260	if (variable_get(VAR_NO_CONFIRM))
261	    msgNotify("Unable to fetch package %s from selected media.\n"
262		      "No package add will be done.", name);
263	else
264	    msgConfirm("Unable to fetch package %s from selected media.\n"
265		       "No package add will be done.", name);
266	ret = DITEM_FAILURE;
267    }
268    signal(SIGPIPE, SIG_IGN);
269    return ret;
270}
271