package.c revision 24106
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 1.60 1997/03/11 09:29:23 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 "sysinstall.h" 38#include <sys/errno.h> 39#include <sys/time.h> 40#include <sys/param.h> 41#include <sys/mount.h> 42#include <sys/stat.h> 43 44static Boolean sigpipe_caught = FALSE; 45 46static void 47catch_pipe(int sig) 48{ 49 sigpipe_caught = TRUE; 50} 51 52/* Like package_extract, but assumes current media device */ 53int 54package_add(char *name) 55{ 56 if (!mediaVerify()) 57 return DITEM_FAILURE; 58 return package_extract(mediaDevice, name, FALSE); 59} 60 61Boolean 62package_exists(char *name) 63{ 64 char fname[FILENAME_MAX]; 65 int status /* = vsystem("pkg_info -e %s", name) */; 66 67 /* XXX KLUDGE ALERT! This makes evil assumptions about how XXX 68 * packages register themselves and should *really be done with 69 * `pkg_info -e <name>' except that this it's too slow for an 70 * item check routine.. :-( 71 */ 72 snprintf(fname, FILENAME_MAX, "/var/db/pkg/%s", name); 73 status = access(fname, R_OK); 74 if (isDebug()) 75 msgDebug("package check for %s returns %s.\n", name, status ? "failure" : "success"); 76 return !status; 77} 78 79/* Extract a package based on a namespec and a media device */ 80int 81package_extract(Device *dev, char *name, Boolean depended) 82{ 83 char path[511]; 84 int ret; 85 FILE *fp; 86 87 /* Check to make sure it's not already there */ 88 if (package_exists(name)) 89 return DITEM_SUCCESS; 90 91 /* If necessary, initialize the ldconfig hints */ 92 if (!file_readable("/var/run/ld.so.hints")) 93 vsystem("ldconfig /usr/lib /usr/local/lib /usr/X11R6/lib"); 94 95 if (!dev->init(dev)) { 96 msgConfirm("Unable to initialize media type for package extract."); 97 return DITEM_FAILURE; 98 } 99 100 /* Be initially optimistic */ 101 ret = DITEM_SUCCESS | DITEM_RESTORE; 102 /* Make a couple of paranoid locations for temp files to live if user specified none */ 103 if (!variable_get("PKG_TMPDIR")) { 104 /* Set it to a location with as much space as possible */ 105 variable_set2("PKG_TMPDIR", "/usr/tmp"); 106 } 107 Mkdir(variable_get("PKG_TMPDIR")); 108 109 if (!index(name, '/')) 110 sprintf(path, "packages/All/%s%s", name, strstr(name, ".tgz") ? "" : ".tgz"); 111 else 112 sprintf(path, "%s%s", name, strstr(name, ".tgz") ? "" : ".tgz"); 113 fp = dev->get(dev, path, TRUE); 114 if (fp) { 115 int i = 0, tot, pfd[2]; 116 pid_t pid; 117 118 signal(SIGPIPE, catch_pipe); 119 msgNotify("Adding %s%s\nfrom %s", path, depended ? " (as a dependency)" : "", dev->name); 120 pipe(pfd); 121 pid = fork(); 122 if (!pid) { 123 dup2(pfd[0], 0); close(pfd[0]); 124 dup2(DebugFD, 1); 125 close(2); 126 close(pfd[1]); 127 i = execl("/usr/sbin/pkg_add", "/usr/sbin/pkg_add", "-", 0); 128 if (isDebug()) 129 msgDebug("pkg_add returns %d status\n", i); 130 } 131 else { 132 char buf[BUFSIZ]; 133 WINDOW *w = savescr(); 134 struct timeval start, stop; 135 136 close(pfd[0]); 137 tot = 0; 138 (void)gettimeofday(&start, (struct timezone *)0); 139 140 while (!sigpipe_caught && (i = fread(buf, 1, BUFSIZ, fp)) > 0) { 141 int seconds; 142 143 tot += i; 144 /* Print statistics about how we're doing */ 145 (void) gettimeofday(&stop, (struct timezone *)0); 146 stop.tv_sec = stop.tv_sec - start.tv_sec; 147 stop.tv_usec = stop.tv_usec - start.tv_usec; 148 if (stop.tv_usec < 0) 149 stop.tv_sec--, stop.tv_usec += 1000000; 150 seconds = stop.tv_sec + (stop.tv_usec / 1000000.0); 151 if (!seconds) 152 seconds = 1; 153 msgInfo("%10d bytes read from package %s @ %4.1f KBytes/second", tot, name, (tot / seconds) / 1024.0); 154 /* Write it out */ 155 if (sigpipe_caught || write(pfd[1], buf, i) != i) { 156 msgInfo("Write failure to pkg_add! Package may be corrupt."); 157 break; 158 } 159 } 160 close(pfd[1]); 161 fclose(fp); 162 if (sigpipe_caught) 163 msgInfo("pkg_add(1) apparently did not like the %s package.", name); 164 else if (i == -1) 165 msgInfo("I/O error while reading in the %s package.", name); 166 else 167 msgInfo("Package %s read successfully - waiting for pkg_add(1)", name); 168 refresh(); 169 i = waitpid(pid, &tot, 0); 170 if (sigpipe_caught || i < 0 || WEXITSTATUS(tot)) { 171 if (variable_get(VAR_NO_CONFIRM)) 172 msgNotify("Add of package %s aborted, error code %d -\n" 173 "Please check the debug screen for more info.", name, WEXITSTATUS(tot)); 174 else 175 msgConfirm("Add of package %s aborted, error code %d -\n" 176 "Please check the debug screen for more info.", name, WEXITSTATUS(tot)); 177 } 178 else 179 msgNotify("Package %s was added successfully", name); 180 181 /* Now catch any stragglers */ 182 while (wait3(&tot, WNOHANG, NULL) > 0); 183 184 sleep(1); 185 restorescr(w); 186 sigpipe_caught = FALSE; 187 } 188 } 189 else { 190 dialog_clear_norefresh(); 191 if (variable_get(VAR_NO_CONFIRM)) 192 msgNotify("Unable to fetch package %s from selected media.\n" 193 "No package add will be done.", name); 194 else 195 msgConfirm("Unable to fetch package %s from selected media.\n" 196 "No package add will be done.", name); 197 ret = DITEM_FAILURE | DITEM_RESTORE; 198 } 199 return ret; 200} 201