package.c revision 20315
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 1.49 1996/11/04 12:56:28 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 ret; 89 FILE *fp; 90 91 /* Check to make sure it's not already there */ 92 if (package_exists(name)) 93 return DITEM_SUCCESS; 94 95 /* If necessary, initialize the ldconfig hints */ 96 if (!file_readable("/var/run/ld.so.hints")) 97 vsystem("ldconfig /usr/lib /usr/local/lib /usr/X11R6/lib"); 98 99 if (!dev->init(dev)) { 100 msgConfirm("Unable to initialize media type for package extract."); 101 return DITEM_FAILURE; 102 } 103 104 /* Be initially optimistic */ 105 ret = DITEM_SUCCESS | DITEM_RESTORE; 106 /* Make a couple of paranoid locations for temp files to live if user specified none */ 107 if (!variable_get("PKG_TMPDIR")) { 108 /* Set it to a location with as much space as possible */ 109 variable_set2("PKG_TMPDIR", "/usr/tmp"); 110 } 111 Mkdir(variable_get("PKG_TMPDIR")); 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 fp = dev->get(dev, path, TRUE); 118 if (fp) { 119 int i, tot, pfd[2]; 120 pid_t pid; 121 122 signal(SIGPIPE, catch_pipe); 123 msgNotify("Adding %s%s\nfrom %s", path, depended ? " (as a dependency)" : "", dev->name); 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 chroot(variable_get(VAR_INSTALL_ROOT)); 132 i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-", 0); 133 if (isDebug()) 134 msgDebug("pkg_add returns %d status\n", i); 135 } 136 else { 137 char buf[BUFSIZ]; 138 WINDOW *w = savescr(); 139 struct timeval start, stop; 140 141 close(pfd[0]); 142 tot = 0; 143 (void)gettimeofday(&start, (struct timezone *)0); 144 145 while (!sigpipe_caught && (i = fread(buf, 1, BUFSIZ, fp)) > 0) { 146 int seconds; 147 148 tot += i; 149 /* Print statistics about how we're doing */ 150 (void) gettimeofday(&stop, (struct timezone *)0); 151 stop.tv_sec = stop.tv_sec - start.tv_sec; 152 stop.tv_usec = stop.tv_usec - start.tv_usec; 153 if (stop.tv_usec < 0) 154 stop.tv_sec--, stop.tv_usec += 1000000; 155 seconds = stop.tv_sec + (stop.tv_usec / 1000000.0); 156 if (!seconds) 157 seconds = 1; 158 msgInfo("%10d bytes read from package %s @ %4.1f KBytes/second", tot, name, (tot / seconds) / 1024.0); 159 /* Write it out */ 160 if (write(pfd[1], buf, i) != i) { 161 msgInfo("Write failure to pkg_add! Package may be corrupt."); 162 break; 163 } 164 } 165 close(pfd[1]); 166 fclose(fp); 167 if (sigpipe_caught) 168 msgDebug("Caught SIGPIPE while trying to install the %s package.\n", name); 169 else 170 msgInfo("Package %s read successfully - waiting for pkg_add", name); 171 refresh(); 172 i = waitpid(pid, &tot, 0); 173 if (sigpipe_caught || i < 0 || WEXITSTATUS(tot)) { 174 if (variable_get(VAR_NO_CONFIRM)) 175 msgNotify("Add of package %s aborted due to some error -\n" 176 "Please check the debug screen for more info.", name); 177 else 178 msgConfirm("Add of package %s aborted due to some error -\n" 179 "Please check the debug screen for more info.", name); 180 } 181 else 182 msgNotify("Package %s was added successfully", name); 183 184 /* Now catch any stragglers */ 185 while (wait3(&tot, WNOHANG, NULL) > 0); 186 187 sleep(1); 188 restorescr(w); 189 sigpipe_caught = FALSE; 190 } 191 } 192 else { 193 msgDebug("pkg_extract: get returned NULL\n"); 194 dialog_clear_norefresh(); 195 if (variable_get(VAR_NO_CONFIRM)) 196 msgNotify("Unable to fetch package %s from selected media.\n" 197 "No package add will be done.", name); 198 else { 199 msgConfirm("Unable to fetch package %s from selected media.\n" 200 "No package add will be done.", name); 201 } 202 ret = DITEM_FAILURE | DITEM_RESTORE; 203 } 204 return ret; 205} 206