1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011 Nathan Whitehorn 5 * Copyright (c) 2014 Devin Teske <dteske@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 35 #include <bsddialog.h> 36 #include <ctype.h> 37 #include <err.h> 38 #include <errno.h> 39 #include <stdio.h> 40 #include <fetch.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #include <unistd.h> 44 45 #include "opt_osname.h" 46 47 static int fetch_files(int nfiles, char **urls); 48 49 int 50 main(void) 51 { 52 char *diststring; 53 char **urls; 54 int i; 55 int ndists = 0; 56 int nfetched; 57 char error[PATH_MAX + 512]; 58 struct bsddialog_conf conf; 59 60 if (getenv("DISTRIBUTIONS") == NULL) 61 errx(EXIT_FAILURE, "DISTRIBUTIONS variable is not set"); 62 63 diststring = strdup(getenv("DISTRIBUTIONS")); 64 for (i = 0; diststring[i] != 0; i++) 65 if (isspace(diststring[i]) && !isspace(diststring[i+1])) 66 ndists++; 67 ndists++; /* Last one */ 68 69 urls = calloc(ndists, sizeof(const char *)); 70 if (urls == NULL) { 71 free(diststring); 72 errx(EXIT_FAILURE, "Error: distfetch URLs out of memory!"); 73 } 74 75 if (bsddialog_init() == BSDDIALOG_ERROR) { 76 free(diststring); 77 errx(EXIT_FAILURE, "Error libbsddialog: %s\n", 78 bsddialog_geterror()); 79 } 80 bsddialog_initconf(&conf); 81 bsddialog_backtitle(&conf, OSNAME " Installer"); 82 83 for (i = 0; i < ndists; i++) { 84 urls[i] = malloc(PATH_MAX); 85 snprintf(urls[i], PATH_MAX, "%s/%s", 86 getenv("BSDINSTALL_DISTSITE"), strsep(&diststring, " \t")); 87 } 88 89 if (chdir(getenv("BSDINSTALL_DISTDIR")) != 0) { 90 snprintf(error, sizeof(error), 91 "Could not change to directory %s: %s\n", 92 getenv("BSDINSTALL_DISTDIR"), strerror(errno)); 93 conf.title = "Error"; 94 bsddialog_msgbox(&conf, error, 0, 0); 95 bsddialog_end(); 96 return (EXIT_FAILURE); 97 } 98 99 nfetched = fetch_files(ndists, urls); 100 101 bsddialog_end(); 102 103 free(diststring); 104 for (i = 0; i < ndists; i++) 105 free(urls[i]); 106 free(urls); 107 108 return ((nfetched == ndists) ? EXIT_SUCCESS : EXIT_FAILURE); 109 } 110 111 static int 112 fetch_files(int nfiles, char **urls) 113 { 114 FILE *fetch_out; 115 FILE *file_out; 116 const char **minilabel; 117 int *miniperc; 118 int perc; 119 int i; 120 int last_progress; 121 int nsuccess = 0; /* Number of files successfully downloaded */ 122 int progress = 0; 123 size_t chunk; 124 off_t current_bytes; 125 off_t fsize; 126 off_t total_bytes; 127 float file_perc; 128 float mainperc_file; 129 struct url_stat ustat; 130 char errormsg[PATH_MAX + 512]; 131 uint8_t block[4096]; 132 struct bsddialog_conf errconf; 133 struct bsddialog_conf mgconf; 134 135 /* Make the transfer list for mixedgauge */ 136 minilabel = calloc(sizeof(char *), nfiles); 137 miniperc = calloc(sizeof(int), nfiles); 138 if (minilabel == NULL || miniperc == NULL) 139 errx(EXIT_FAILURE, "Error: distfetch minibars out of memory!"); 140 141 for (i = 0; i < nfiles; i++) { 142 minilabel[i] = strrchr(urls[i], '/'); 143 if (minilabel[i] != NULL) 144 minilabel[i]++; 145 else 146 minilabel[i] = urls[i]; 147 miniperc[i] = BSDDIALOG_MG_PENDING; 148 } 149 150 bsddialog_initconf(&errconf); 151 bsddialog_infobox(&errconf, "Connecting to server.\nPlease wait...", 152 0, 0); 153 154 /* Try to stat all the files */ 155 total_bytes = 0; 156 for (i = 0; i < nfiles; i++) { 157 if (fetchStatURL(urls[i], &ustat, "") == 0 && ustat.size > 0) { 158 total_bytes += ustat.size; 159 } else { 160 total_bytes = 0; 161 break; 162 } 163 } 164 165 errconf.title = "Fetch Error"; 166 errconf.clear = true; 167 bsddialog_initconf(&mgconf); 168 mgconf.title = "Fetching Distribution"; 169 mgconf.auto_minwidth = 40; 170 171 mainperc_file = 100.0 / nfiles; 172 current_bytes = 0; 173 for (i = 0; i < nfiles; i++) { 174 fetchLastErrCode = 0; 175 fetch_out = fetchXGetURL(urls[i], &ustat, ""); 176 if (fetch_out == NULL) { 177 snprintf(errormsg, sizeof(errormsg), 178 "Error (URL) while fetching %s: %s\n", urls[i], 179 fetchLastErrString); 180 miniperc[2] = BSDDIALOG_MG_FAILED; 181 bsddialog_msgbox(&errconf, errormsg, 0, 0); 182 total_bytes = 0; 183 continue; 184 } 185 186 miniperc[i] = BSDDIALOG_MG_INPROGRESS; 187 fsize = 0; 188 file_out = fopen(minilabel[i], "w+"); 189 if (file_out == NULL) { 190 snprintf(errormsg, sizeof(errormsg), 191 "Error (fopen) while fetching %s: %s\n", 192 urls[i], strerror(errno)); 193 miniperc[i] = BSDDIALOG_MG_FAILED; 194 bsddialog_msgbox(&errconf, errormsg, 0, 0); 195 fclose(fetch_out); 196 total_bytes = 0; 197 continue; 198 } 199 200 while ((chunk = fread(block, 1, sizeof(block), fetch_out)) 201 > 0) { 202 if (fwrite(block, 1, chunk, file_out) < chunk) 203 break; 204 205 current_bytes += chunk; 206 fsize += chunk; 207 208 last_progress = progress; 209 if (total_bytes > 0) { 210 progress = (current_bytes * 100) / total_bytes; 211 } else { 212 file_perc = ustat.size > 0 ? 213 (fsize * 100) / ustat.size : 0; 214 progress = (i * mainperc_file) + 215 ((file_perc * mainperc_file) / 100); 216 } 217 218 if (ustat.size > 0) { 219 perc = (fsize * 100) / ustat.size; 220 miniperc[i] = perc; 221 } 222 223 if (progress > last_progress) { 224 bsddialog_mixedgauge(&mgconf, 225 "\nFetching distribution files...\n", 226 0, 0, progress, nfiles, minilabel, 227 miniperc); 228 } 229 } 230 231 if (ustat.size > 0 && fsize < ustat.size) { 232 if (fetchLastErrCode == 0) 233 snprintf(errormsg, sizeof(errormsg), 234 "Error (undone) while fetching %s: %s\n", 235 urls[i], strerror(errno)); 236 else 237 snprintf(errormsg, sizeof(errormsg), 238 "Error (libfetch) while fetching %s: %s\n", 239 urls[i], fetchLastErrString); 240 miniperc[i] = BSDDIALOG_MG_FAILED; 241 bsddialog_msgbox(&errconf, errormsg, 0, 0); 242 total_bytes = 0; 243 } else { 244 miniperc[i] = BSDDIALOG_MG_DONE; 245 nsuccess++; 246 } 247 248 fclose(fetch_out); 249 fclose(file_out); 250 } 251 252 bsddialog_mixedgauge(&mgconf, "\nFetching distribution completed\n", 253 0, 0, progress, nfiles, minilabel, miniperc); 254 255 free(minilabel); 256 free(miniperc); 257 return (nsuccess); 258 } 259