1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 #include <sys/param.h> 32 33 #include <bsddialog.h> 34 #include <ctype.h> 35 #include <err.h> 36 #include <errno.h> 37 #include <stdio.h> 38 #include <fetch.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <unistd.h> 42 43 #include "opt_osname.h" 44 45 static int fetch_files(int nfiles, char **urls); 46 47 int 48 main(void) 49 { 50 char *diststring; 51 char **urls; 52 int i; 53 int ndists = 0; 54 int nfetched; 55 char error[PATH_MAX + 512]; 56 struct bsddialog_conf conf; 57 58 if (getenv("DISTRIBUTIONS") == NULL) 59 errx(EXIT_FAILURE, "DISTRIBUTIONS variable is not set"); 60 61 diststring = strdup(getenv("DISTRIBUTIONS")); 62 for (i = 0; diststring[i] != 0; i++) 63 if (isspace(diststring[i]) && !isspace(diststring[i+1])) 64 ndists++; 65 ndists++; /* Last one */ 66 67 urls = calloc(ndists, sizeof(const char *)); 68 if (urls == NULL) { 69 free(diststring); 70 errx(EXIT_FAILURE, "Error: distfetch URLs out of memory!"); 71 } 72 73 if (bsddialog_init() == BSDDIALOG_ERROR) { 74 free(diststring); 75 errx(EXIT_FAILURE, "Error libbsddialog: %s\n", 76 bsddialog_geterror()); 77 } 78 bsddialog_initconf(&conf); 79 bsddialog_backtitle(&conf, OSNAME " Installer"); 80 81 for (i = 0; i < ndists; i++) { 82 urls[i] = malloc(PATH_MAX); 83 snprintf(urls[i], PATH_MAX, "%s/%s", 84 getenv("BSDINSTALL_DISTSITE"), strsep(&diststring, " \t")); 85 } 86 87 if (chdir(getenv("BSDINSTALL_DISTDIR")) != 0) { 88 snprintf(error, sizeof(error), 89 "Could not change to directory %s: %s\n", 90 getenv("BSDINSTALL_DISTDIR"), strerror(errno)); 91 conf.title = "Error"; 92 bsddialog_msgbox(&conf, error, 0, 0); 93 bsddialog_end(); 94 return (EXIT_FAILURE); 95 } 96 97 nfetched = fetch_files(ndists, urls); 98 99 bsddialog_end(); 100 101 free(diststring); 102 for (i = 0; i < ndists; i++) 103 free(urls[i]); 104 free(urls); 105 106 return ((nfetched == ndists) ? EXIT_SUCCESS : EXIT_FAILURE); 107 } 108 109 static int 110 fetch_files(int nfiles, char **urls) 111 { 112 FILE *fetch_out; 113 FILE *file_out; 114 const char **minilabel; 115 int *miniperc; 116 int perc; 117 int i; 118 int last_progress; 119 int nsuccess = 0; /* Number of files successfully downloaded */ 120 int progress = 0; 121 size_t chunk; 122 off_t current_bytes; 123 off_t fsize; 124 off_t total_bytes; 125 float file_perc; 126 float mainperc_file; 127 struct url_stat ustat; 128 char errormsg[PATH_MAX + 512]; 129 uint8_t block[4096]; 130 struct bsddialog_conf errconf; 131 struct bsddialog_conf mgconf; 132 133 /* Make the transfer list for mixedgauge */ 134 minilabel = calloc(sizeof(char *), nfiles); 135 miniperc = calloc(sizeof(int), nfiles); 136 if (minilabel == NULL || miniperc == NULL) 137 errx(EXIT_FAILURE, "Error: distfetch minibars out of memory!"); 138 139 for (i = 0; i < nfiles; i++) { 140 minilabel[i] = strrchr(urls[i], '/'); 141 if (minilabel[i] != NULL) 142 minilabel[i]++; 143 else 144 minilabel[i] = urls[i]; 145 miniperc[i] = BSDDIALOG_MG_PENDING; 146 } 147 148 bsddialog_initconf(&errconf); 149 bsddialog_infobox(&errconf, "Connecting to server.\nPlease wait...", 150 0, 0); 151 152 /* Try to stat all the files */ 153 total_bytes = 0; 154 for (i = 0; i < nfiles; i++) { 155 if (fetchStatURL(urls[i], &ustat, "") == 0 && ustat.size > 0) { 156 total_bytes += ustat.size; 157 } else { 158 total_bytes = 0; 159 break; 160 } 161 } 162 163 errconf.title = "Fetch Error"; 164 errconf.clear = true; 165 bsddialog_initconf(&mgconf); 166 mgconf.title = "Fetching Distribution"; 167 mgconf.auto_minwidth = 40; 168 169 mainperc_file = 100.0 / nfiles; 170 current_bytes = 0; 171 for (i = 0; i < nfiles; i++) { 172 fetchLastErrCode = 0; 173 fetch_out = fetchXGetURL(urls[i], &ustat, ""); 174 if (fetch_out == NULL) { 175 snprintf(errormsg, sizeof(errormsg), 176 "Error (URL) while fetching %s: %s\n", urls[i], 177 fetchLastErrString); 178 miniperc[2] = BSDDIALOG_MG_FAILED; 179 bsddialog_msgbox(&errconf, errormsg, 0, 0); 180 total_bytes = 0; 181 continue; 182 } 183 184 miniperc[i] = BSDDIALOG_MG_INPROGRESS; 185 fsize = 0; 186 file_out = fopen(minilabel[i], "w+"); 187 if (file_out == NULL) { 188 snprintf(errormsg, sizeof(errormsg), 189 "Error (fopen) while fetching %s: %s\n", 190 urls[i], strerror(errno)); 191 miniperc[i] = BSDDIALOG_MG_FAILED; 192 bsddialog_msgbox(&errconf, errormsg, 0, 0); 193 fclose(fetch_out); 194 total_bytes = 0; 195 continue; 196 } 197 198 while ((chunk = fread(block, 1, sizeof(block), fetch_out)) 199 > 0) { 200 if (fwrite(block, 1, chunk, file_out) < chunk) 201 break; 202 203 current_bytes += chunk; 204 fsize += chunk; 205 206 last_progress = progress; 207 if (total_bytes > 0) { 208 progress = (current_bytes * 100) / total_bytes; 209 } else { 210 file_perc = ustat.size > 0 ? 211 (fsize * 100) / ustat.size : 0; 212 progress = (i * mainperc_file) + 213 ((file_perc * mainperc_file) / 100); 214 } 215 216 if (ustat.size > 0) { 217 perc = (fsize * 100) / ustat.size; 218 miniperc[i] = perc; 219 } 220 221 if (progress > last_progress) { 222 bsddialog_mixedgauge(&mgconf, 223 "\nFetching distribution files...\n", 224 0, 0, progress, nfiles, minilabel, 225 miniperc); 226 } 227 } 228 229 if (ustat.size > 0 && fsize < ustat.size) { 230 if (fetchLastErrCode == 0) 231 snprintf(errormsg, sizeof(errormsg), 232 "Error (undone) while fetching %s: %s\n", 233 urls[i], strerror(errno)); 234 else 235 snprintf(errormsg, sizeof(errormsg), 236 "Error (libfetch) while fetching %s: %s\n", 237 urls[i], fetchLastErrString); 238 miniperc[i] = BSDDIALOG_MG_FAILED; 239 bsddialog_msgbox(&errconf, errormsg, 0, 0); 240 total_bytes = 0; 241 } else { 242 miniperc[i] = BSDDIALOG_MG_DONE; 243 nsuccess++; 244 } 245 246 fclose(fetch_out); 247 fclose(file_out); 248 } 249 250 bsddialog_mixedgauge(&mgconf, "\nFetching distribution completed\n", 251 0, 0, progress, nfiles, minilabel, miniperc); 252 253 free(minilabel); 254 free(miniperc); 255 return (nsuccess); 256 } 257