freebsd-skq/usr.sbin/sysinstall/package.c
Jordan K. Hubbard 0383bc6a90 Some cosmetic tweaks, attempt to fix package wait problem by checking
for error return as well (not sure if this is it, but it's one possible
explanation).
1996-10-12 19:30:26 +00:00

205 lines
6.4 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: package.c,v 1.47 1996/10/06 03:18:55 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include "sysinstall.h"
/* Like package_extract, but assumes current media device */
int
package_add(char *name)
{
if (!mediaVerify())
return DITEM_FAILURE;
return package_extract(mediaDevice, name, FALSE);
}
Boolean
package_exists(char *name)
{
char fname[FILENAME_MAX];
int status /* = vsystem("pkg_info -e %s", name) */;
/* XXX KLUDGE ALERT! This makes evil assumptions about how XXX
* packages register themselves and should *really be done with
* `pkg_info -e <name>' except that this it's too slow for an
* item check routine.. :-(
*/
snprintf(fname, FILENAME_MAX, "/var/db/pkg/%s", name);
status = access(fname, R_OK);
msgDebug("package check for %s returns %s.\n", name,
status ? "failure" : "success");
return !status;
}
/* SIGPIPE handler */
static Boolean sigpipe_caught = FALSE;
static void
catch_pipe(int sig)
{
sigpipe_caught = TRUE;
}
/* Extract a package based on a namespec and a media device */
int
package_extract(Device *dev, char *name, Boolean depended)
{
char path[511];
int fd, ret;
/* If necessary, initialize the ldconfig hints */
if (!file_readable("/var/run/ld.so.hints"))
vsystem("ldconfig /usr/lib /usr/local/lib /usr/X11R6/lib");
/* Check to make sure it's not already there */
if (package_exists(name))
return DITEM_SUCCESS;
if (!dev->init(dev)) {
msgConfirm("Unable to initialize media type for package extract.");
return DITEM_FAILURE;
}
/* Be initially optimistic */
ret = DITEM_SUCCESS | DITEM_RESTORE;
/* Make a couple of paranoid locations for temp files to live if user specified none */
if (!variable_get("PKG_TMPDIR")) {
/* Set it to a location with as much space as possible */
variable_set2("PKG_TMPDIR", "/usr/tmp");
}
Mkdir(variable_get("PKG_TMPDIR"));
if (!index(name, '/'))
sprintf(path, "packages/All/%s%s", name, strstr(name, ".tgz") ? "" : ".tgz");
else
sprintf(path, "%s%s", name, strstr(name, ".tgz") ? "" : ".tgz");
fd = dev->get(dev, path, TRUE);
if (fd >= 0) {
int i, tot, pfd[2];
pid_t pid;
signal(SIGPIPE, catch_pipe);
msgNotify("Adding %s%s\nfrom %s", path, depended ? " (as a dependency)" : "", dev->name);
pipe(pfd);
pid = fork();
if (!pid) {
dup2(pfd[0], 0); close(pfd[0]);
dup2(DebugFD, 1);
close(2);
close(pfd[1]);
chroot(variable_get(VAR_INSTALL_ROOT));
i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-", 0);
if (isDebug())
msgDebug("pkg_add returns %d status\n", i);
}
else {
char buf[BUFSIZ];
WINDOW *w = savescr();
struct timeval start, stop;
close(pfd[0]);
tot = 0;
(void)gettimeofday(&start, (struct timezone *)0);
while (!sigpipe_caught && (i = read(fd, buf, BUFSIZ)) > 0) {
int seconds;
tot += i;
/* Print statistics about how we're doing */
(void) gettimeofday(&stop, (struct timezone *)0);
stop.tv_sec = stop.tv_sec - start.tv_sec;
stop.tv_usec = stop.tv_usec - start.tv_usec;
if (stop.tv_usec < 0)
stop.tv_sec--, stop.tv_usec += 1000000;
seconds = stop.tv_sec + (stop.tv_usec / 1000000.0);
if (!seconds)
seconds = 1;
msgInfo("%10d bytes read from package %s @ %4.1f KBytes/second", tot, name, (tot / seconds) / 1024.0);
/* Write it out */
if (write(pfd[1], buf, i) != i) {
msgInfo("Write failure to pkg_add! Package may be corrupt.");
break;
}
}
close(pfd[1]);
dev->close(dev, fd);
if (sigpipe_caught)
msgDebug("Caught SIGPIPE while trying to install the %s package.\n", name);
else
msgInfo("Package %s read successfully - waiting for pkg_add", name);
refresh();
i = waitpid(pid, &tot, 0);
if (sigpipe_caught || i < 0 || WEXITSTATUS(tot)) {
if (variable_get(VAR_NO_CONFIRM))
msgNotify("Add of package %s aborted due to some error -\n"
"Please check the debug screen for more info.", name);
else
msgConfirm("Add of package %s aborted due to some error -\n"
"Please check the debug screen for more info.", name);
}
else
msgNotify("Package %s was added successfully", name);
/* Now catch any stragglers */
while (wait3(&tot, WNOHANG, NULL) > 0);
sleep(1);
restorescr(w);
sigpipe_caught = FALSE;
}
}
else {
msgDebug("pkg_extract: get operation returned %d\n", fd);
dialog_clear_norefresh();
if (variable_get(VAR_NO_CONFIRM))
msgNotify("Unable to fetch package %s from selected media.\n"
"No package add will be done.", name);
else {
msgConfirm("Unable to fetch package %s from selected media.\n"
"No package add will be done.", name);
}
ret = DITEM_FAILURE | DITEM_RESTORE;
}
return ret;
}