package.c revision 11672
111499Sjkh/* 211499Sjkh * The new sysinstall program. 311499Sjkh * 411499Sjkh * This is probably the last program in the `sysinstall' line - the next 511499Sjkh * generation being essentially a complete rewrite. 611499Sjkh * 711672Sjkh * $Id: package.c,v 1.11 1995/10/22 12:04:11 jkh Exp $ 811499Sjkh * 911499Sjkh * Copyright (c) 1995 1011499Sjkh * Jordan Hubbard. All rights reserved. 1111499Sjkh * 1211499Sjkh * Redistribution and use in source and binary forms, with or without 1311499Sjkh * modification, are permitted provided that the following conditions 1411499Sjkh * are met: 1511499Sjkh * 1. Redistributions of source code must retain the above copyright 1611499Sjkh * notice, this list of conditions and the following disclaimer, 1711499Sjkh * verbatim and that no modifications are made prior to this 1811499Sjkh * point in the file. 1911499Sjkh * 2. Redistributions in binary form must reproduce the above copyright 2011499Sjkh * notice, this list of conditions and the following disclaimer in the 2111499Sjkh * documentation and/or other materials provided with the distribution. 2211499Sjkh * 3. All advertising materials mentioning features or use of this software 2311499Sjkh * must display the following acknowledgement: 2411499Sjkh * This product includes software developed by Jordan Hubbard 2511499Sjkh * for the FreeBSD Project. 2611499Sjkh * 4. The name of Jordan Hubbard or the FreeBSD project may not be used to 2711499Sjkh * endorse or promote products derived from this software without specific 2811499Sjkh * prior written permission. 2911499Sjkh * 3011499Sjkh * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND 3111499Sjkh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 3211499Sjkh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3311499Sjkh * ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE 3411499Sjkh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3511499Sjkh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3611499Sjkh * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) 3711499Sjkh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3811499Sjkh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3911499Sjkh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 4011499Sjkh * SUCH DAMAGE. 4111499Sjkh * 4211499Sjkh */ 4311499Sjkh 4411499Sjkh#include <stdio.h> 4511499Sjkh#include <string.h> 4611499Sjkh#include <stdlib.h> 4711499Sjkh#include <sys/errno.h> 4811499Sjkh#include <sys/param.h> 4911499Sjkh#include <sys/mount.h> 5011499Sjkh#include <sys/stat.h> 5111499Sjkh#include "sysinstall.h" 5211499Sjkh 5311499Sjkhstatic char *make_playpen(char *pen, size_t sz); 5411499Sjkh 5511650Sjkh/* Like package_extract, but assumes current media device */ 5611650Sjkhint 5711650Sjkhpackage_add(char *name) 5811650Sjkh{ 5911650Sjkh if (!mediaVerify()) 6011650Sjkh return RET_FAIL; 6111650Sjkh return package_extract(mediaDevice, name); 6211650Sjkh} 6311650Sjkh 6411499Sjkh/* Extract a package based on a namespec and a media device */ 6511499Sjkhint 6611499Sjkhpackage_extract(Device *dev, char *name) 6711499Sjkh{ 6811499Sjkh char path[511]; 6911499Sjkh char pen[FILENAME_MAX]; 7011499Sjkh char *where; 7111499Sjkh int i, fd, ret; 7211499Sjkh 7311536Sjkh /* Check to make sure it's not already there */ 7411672Sjkh if (!vsystem("pkg_info -e %s", name)) { 7511672Sjkh msgDebug("package %s marked as already installed - return SUCCESS.\n"); 7611536Sjkh return RET_SUCCESS; 7711672Sjkh } 7811536Sjkh 7911553Sjkh if (!dev->init(dev)) { 8011672Sjkh dialog_clear(); 8111672Sjkh msgConfirm("Unable to initialize media type for package extract."); 8211499Sjkh return RET_FAIL; 8311553Sjkh } 8411499Sjkh 8511499Sjkh ret = RET_FAIL; 8611553Sjkh sprintf(path, "packages/All/%s%s", name, strstr(name, ".tgz") ? "" : ".tgz"); 8711672Sjkh msgNotify("pkg_extract: Attempting to fetch %s from %s", path, dev->name); 8811553Sjkh fd = dev->get(dev, path, TRUE); 8911499Sjkh if (fd >= 0) { 9011499Sjkh pid_t tpid; 9111499Sjkh 9211499Sjkh pen[0] = '\0'; 9311499Sjkh if ((where = make_playpen(pen, 0)) != NULL) { 9411499Sjkh if (isDebug()) 9511499Sjkh msgDebug("Working in temporary directory %s, will return to %s\n", pen, where); 9611499Sjkh tpid = fork(); 9711499Sjkh if (!tpid) { 9811672Sjkh dup2(fd, 0); close(fd); 9911672Sjkh dup2(DebugFD, 1); 10011672Sjkh dup2(DebugFD, 2); 10111672Sjkh i = vsystem("tar %s-xpzf -", !strcmp(variable_get(VAR_CPIO_VERBOSITY), "high") ? "-v " : ""); 10211672Sjkh if (i) 10311672Sjkh msgDebug("tar command returns %d status (errno: %d)\n", i, errno); 10411499Sjkh exit(i); 10511499Sjkh } 10611499Sjkh else { 10711499Sjkh int pstat; 10811499Sjkh 10911499Sjkh tpid = waitpid(tpid, &pstat, 0); 11011499Sjkh if (vsystem("(pwd; cat +CONTENTS) | pkg_add %s-S", 11111672Sjkh !strcmp(variable_get(VAR_CPIO_VERBOSITY), "high") ? "-v " : "")) { 11211672Sjkh dialog_clear(); 11311499Sjkh msgConfirm("An error occurred while trying to pkg_add %s.\n" 11411499Sjkh "Please check debugging screen for possible further details.", path); 11511672Sjkh } 11611499Sjkh else 11711499Sjkh ret = RET_SUCCESS; 11811567Sjkh close(fd); 11911499Sjkh } 12011499Sjkh if (chdir(where) == -1) 12111627Sjkh msgFatal("Unable to get back to where I was before, Jojo! (That was: %s)", where); 12211499Sjkh vsystem("rm -rf %s", pen); 12311499Sjkh if (isDebug()) 12411499Sjkh msgDebug("Nuked pen: %s\n", pen); 12511499Sjkh } 12611672Sjkh else { 12711672Sjkh dialog_clear(); 12811499Sjkh msgConfirm("Unable to find a temporary location to unpack this stuff in.\n" 12911499Sjkh "You must simply not have enough space or you've configured your\n" 13011499Sjkh "system oddly. Sorry!"); 13111672Sjkh ret = RET_FAIL; 13211672Sjkh } 13311499Sjkh dev->close(dev, fd); 13411499Sjkh if (dev->type == DEVICE_TYPE_TAPE) 13511499Sjkh unlink(path); 13611499Sjkh } 13711672Sjkh else { 13811553Sjkh msgDebug("pkg_extract: get operation returned %d\n", fd); 13911672Sjkh if (variable_get(VAR_NO_CONFIRM)) 14011672Sjkh msgNotify("Unable to fetch package %s from selected media.\n" 14111672Sjkh "No package add will be done."); 14211672Sjkh else { 14311672Sjkh dialog_clear(); 14411672Sjkh msgConfirm("Unable to fetch package %s from selected media.\n" 14511672Sjkh "No package add will be done."); 14611672Sjkh } 14711672Sjkh } 14811499Sjkh return ret; 14911499Sjkh} 15011499Sjkh 15111499Sjkhstatic size_t 15211499Sjkhmin_free(char *tmpdir) 15311499Sjkh{ 15411499Sjkh struct statfs buf; 15511499Sjkh 15611499Sjkh if (statfs(tmpdir, &buf) != 0) { 15711499Sjkh msgDebug("Error in statfs, errno = %d\n", errno); 15811499Sjkh return -1; 15911499Sjkh } 16011499Sjkh return buf.f_bavail * buf.f_bsize; 16111499Sjkh} 16211499Sjkh 16311499Sjkh/* Find a good place to play. */ 16411499Sjkhstatic char * 16511499Sjkhfind_play_pen(char *pen, size_t sz) 16611499Sjkh{ 16711499Sjkh struct stat sb; 16811499Sjkh 16911499Sjkh if (pen[0] && stat(pen, &sb) != RET_FAIL && (min_free(pen) >= sz)) 17011499Sjkh return pen; 17111499Sjkh else if (stat("/var/tmp", &sb) != RET_FAIL && min_free("/var/tmp") >= sz) 17211499Sjkh strcpy(pen, "/var/tmp/instmp.XXXXXX"); 17311499Sjkh else if (stat("/tmp", &sb) != RET_FAIL && min_free("/tmp") >= sz) 17411499Sjkh strcpy(pen, "/tmp/instmp.XXXXXX"); 17511499Sjkh else if ((stat("/usr/tmp", &sb) == RET_SUCCESS || mkdir("/usr/tmp", 01777) == RET_SUCCESS) && 17611499Sjkh min_free("/usr/tmp") >= sz) 17711499Sjkh strcpy(pen, "/usr/tmp/instmp.XXXXXX"); 17811499Sjkh else { 17911672Sjkh dialog_clear(); 18011499Sjkh msgConfirm("Can't find enough temporary space to extract the files, please try\n" 18111499Sjkh "This again after your system is up (you can run /stand/sysinstall\n" 18211499Sjkh "directly) and you've had a chance to point /var/tmp somewhere with\n" 18311499Sjkh "sufficient temporary space available."); 18411499Sjkh return NULL; 18511499Sjkh } 18611499Sjkh return pen; 18711499Sjkh} 18811499Sjkh 18911499Sjkh/* 19011499Sjkh * Make a temporary directory to play in and chdir() to it, returning 19111499Sjkh * pathname of previous working directory. 19211499Sjkh */ 19311499Sjkhstatic char * 19411499Sjkhmake_playpen(char *pen, size_t sz) 19511499Sjkh{ 19611499Sjkh static char Previous[FILENAME_MAX]; 19711499Sjkh 19811499Sjkh if (!find_play_pen(pen, sz)) 19911499Sjkh return NULL; 20011499Sjkh 20111499Sjkh if (!mktemp(pen)) { 20211672Sjkh dialog_clear(); 20311499Sjkh msgConfirm("Can't mktemp '%s'.", pen); 20411499Sjkh return NULL; 20511499Sjkh } 20611499Sjkh if (mkdir(pen, 0755) == RET_FAIL) { 20711672Sjkh dialog_clear(); 20811499Sjkh msgConfirm("Can't mkdir '%s'.", pen); 20911499Sjkh return NULL; 21011499Sjkh } 21111499Sjkh if (isDebug()) { 21211499Sjkh if (sz) 21311499Sjkh msgDebug("Requested space: %d bytes, free space: %d bytes in %s\n", (int)sz, min_free(pen), pen); 21411499Sjkh } 21511499Sjkh if (min_free(pen) < sz) { 21611499Sjkh rmdir(pen); 21711672Sjkh dialog_clear(); 21811499Sjkh msgConfirm("Not enough free space to create: `%s'\n" 21911499Sjkh "Please try this again after your system is up (you can run\n" 22011499Sjkh "/stand/sysinstall directly) and you've had a chance to point\n" 22111499Sjkh "/var/tmp somewhere with sufficient temporary space available."); 22211499Sjkh return NULL; 22311499Sjkh } 22411499Sjkh if (!getcwd(Previous, FILENAME_MAX)) { 22511672Sjkh dialog_clear(); 22611499Sjkh msgConfirm("getcwd"); 22711499Sjkh return NULL; 22811499Sjkh } 22911672Sjkh if (chdir(pen) == RET_FAIL) { 23011672Sjkh dialog_clear(); 23111499Sjkh msgConfirm("Can't chdir to '%s'.", pen); 23211672Sjkh } 23311499Sjkh return Previous; 23411499Sjkh} 235