package.c revision 16823
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 1.39 1996/06/25 04:28:23 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 char fname[FILENAME_MAX]; 60 int status /* = vsystem("pkg_info -e %s", name) */; 61 62 /* XXX KLUDGE ALERT! This makes evil assumptions about how XXX 63 * packages register themselves and should *really be done with 64 * `pkg_info -e <name>' except that this it's too slow for an 65 * item check routine.. :-( 66 */ 67 snprintf(fname, FILENAME_MAX, "/var/db/pkg/%s", name); 68 status = access(fname, R_OK); 69 msgDebug("package check for %s returns %s.\n", name, 70 status ? "failure" : "success"); 71 return !status; 72} 73 74/* SIGPIPE handler */ 75static Boolean sigpipe_caught = FALSE; 76 77static void 78catch_pipe(int sig) 79{ 80 sigpipe_caught = TRUE; 81} 82 83/* Extract a package based on a namespec and a media device */ 84int 85package_extract(Device *dev, char *name, Boolean depended) 86{ 87 char path[511]; 88 int fd, ret; 89 90 /* If necessary, initialize the ldconfig hints */ 91 if (!file_readable("/var/run/ld.so.hints")) 92 vsystem("ldconfig /usr/lib /usr/local/lib /usr/X11R6/lib"); 93 94 /* Check to make sure it's not already there */ 95 if (package_exists(name)) 96 return DITEM_SUCCESS; 97 98 if (!dev->init(dev)) { 99 msgConfirm("Unable to initialize media type for package extract."); 100 return DITEM_FAILURE; 101 } 102 103 /* Be initially optimistic */ 104 ret = DITEM_SUCCESS | DITEM_RESTORE; 105 /* Make a couple of paranoid locations for temp files to live if user specified none */ 106 if (!variable_get("PKG_TMPDIR")) { 107 Mkdir("/usr/tmp", NULL); 108 Mkdir("/var/tmp", NULL); 109 /* Set it to a location with as much space as possible */ 110 variable_set2("PKG_TMPDIR", "/usr/tmp"); 111 } 112 113 if (!index(name, '/')) 114 sprintf(path, "packages/All/%s%s", name, strstr(name, ".tgz") ? "" : ".tgz"); 115 else 116 sprintf(path, "%s%s", name, strstr(name, ".tgz") ? "" : ".tgz"); 117 fd = dev->get(dev, path, TRUE); 118 if (fd >= 0) { 119 int i, tot, pfd[2]; 120 pid_t pid; 121 122 msgNotify("Adding %s%s\nfrom %s", path, depended ? " (as a dependency)" : "", dev->name); 123 signal(SIGPIPE, catch_pipe); 124 pipe(pfd); 125 pid = fork(); 126 if (!pid) { 127 dup2(pfd[0], 0); close(pfd[0]); 128 dup2(DebugFD, 1); 129 close(2); 130 close(pfd[1]); 131 i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-", 0); 132 if (isDebug()) 133 msgDebug("pkg_add returns %d status\n", i); 134 } 135 else { 136 char buf[BUFSIZ]; 137 WINDOW *w = savescr(); 138 struct timeval start, stop; 139 140 close(pfd[0]); 141 tot = 0; 142 (void)gettimeofday(&start, (struct timezone *)0); 143 144 while (!sigpipe_caught && (i = read(fd, buf, BUFSIZ)) > 0) { 145 int seconds; 146 147 tot += i; 148 /* Print statistics about how we're doing */ 149 (void) gettimeofday(&stop, (struct timezone *)0); 150 stop.tv_sec = stop.tv_sec - start.tv_sec; 151 stop.tv_usec = stop.tv_usec - start.tv_usec; 152 if (stop.tv_usec < 0) 153 stop.tv_sec--, stop.tv_usec += 1000000; 154 seconds = stop.tv_sec + (stop.tv_usec / 1000000.0); 155 if (!seconds) 156 seconds = 1; 157 msgInfo("%d bytes read from package %s, %d KBytes/second", tot, name, (tot / seconds) / 1024); 158 /* Write it out */ 159 if (write(pfd[1], buf, i) != i) { 160 msgInfo("Write failure to pkg_add! Package may be corrupt."); 161 break; 162 } 163 } 164 close(pfd[1]); 165 dev->close(dev, fd); 166 if (sigpipe_caught) 167 msgDebug("Caught SIGPIPE while trying to install the %s package.\n", name); 168 else 169 msgInfo("Package %s read successfully - waiting for pkg_add", name); 170 refresh(); 171 i = waitpid(pid, &tot, 0); 172 if (sigpipe_caught || i < 0 || WEXITSTATUS(tot)) { 173 if (variable_get(VAR_NO_CONFIRM)) 174 msgNotify("Add of package %s aborted due to some error -\n" 175 "Please check the debug screen for more info.", name); 176 else 177 msgConfirm("Add of package %s aborted due to some error -\n" 178 "Please check the debug screen for more info.", name); 179 } 180 else 181 msgNotify("Package %s was added successfully", name); 182 sleep(1); 183 restorescr(w); 184 sigpipe_caught = FALSE; 185 } 186 } 187 else { 188 msgDebug("pkg_extract: get operation returned %d\n", fd); 189 dialog_clear(); 190 if (variable_get(VAR_NO_CONFIRM)) 191 msgNotify("Unable to fetch package %s from selected media.\n" 192 "No package add will be done.", name); 193 else { 194 msgConfirm("Unable to fetch package %s from selected media.\n" 195 "No package add will be done.", name); 196 } 197 ret = DITEM_FAILURE | DITEM_RESTORE; 198 } 199 return ret; 200} 201