1 /* $NetBSD: main.c,v 1.18 2019/11/12 16:33:14 martin Exp $ */ 2 3 /* 4 * Copyright 1997 Piermont Information Systems Inc. 5 * All rights reserved. 6 * 7 * Written by Philip A. Nelson for Piermont Information Systems Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Piermont Information Systems Inc. may not be used to endorse 18 * or promote products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 /* main sysinst program. */ 36 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 #include <sys/syslimits.h> 40 #include <sys/uio.h> 41 #include <stdio.h> 42 #include <signal.h> 43 #include <curses.h> 44 #include <unistd.h> 45 #include <fcntl.h> 46 #include <dirent.h> 47 #include <locale.h> 48 49 #include "defs.h" 50 #include "md.h" 51 #include "msg_defs.h" 52 #include "menu_defs.h" 53 #include "txtwalk.h" 54 55 static void select_language(void); 56 __dead static void usage(void); 57 __dead static void miscsighandler(int); 58 static void ttysighandler(int); 59 static void cleanup(void); 60 static void process_f_flag(char *); 61 62 static int exit_cleanly = 0; /* Did we finish nicely? */ 63 FILE *logfp; /* log file */ 64 FILE *script; /* script file */ 65 66 const char *multname; 67 const char *err_outofmem; 68 69 #ifdef DEBUG 70 extern int log_flip(void); 71 #endif 72 73 /* Definion for colors */ 74 75 struct { 76 unsigned int bg; 77 unsigned int fg; 78 } clr_arg; 79 80 /* String defaults and stuff for processing the -f file argument. */ 81 82 struct f_arg { 83 const char *name; 84 const char *dflt; 85 char *var; 86 int size; 87 }; 88 89 static const struct f_arg fflagopts[] = { 90 {"release", REL, rel, sizeof rel}, 91 {"machine", MACH, machine, sizeof machine}, 92 {"xfer dir", "/usr/INSTALL", xfer_dir, sizeof xfer_dir}, 93 {"ext dir", "", ext_dir_bin, sizeof ext_dir_bin}, 94 {"ext src dir", "", ext_dir_src, sizeof ext_dir_src}, 95 {"ftp host", SYSINST_FTP_HOST, ftp.xfer_host[XFER_FTP], sizeof ftp.xfer_host[XFER_FTP]}, 96 {"http host", SYSINST_HTTP_HOST, ftp.xfer_host[XFER_HTTP], sizeof ftp.xfer_host[XFER_HTTP]}, 97 {"ftp dir", SYSINST_FTP_DIR, ftp.dir, sizeof ftp.dir}, 98 {"ftp prefix", "/" ARCH_SUBDIR "/binary/sets", set_dir_bin, sizeof set_dir_bin}, 99 {"ftp src prefix", "/source/sets", set_dir_src, sizeof set_dir_src}, 100 {"ftp user", "ftp", ftp.user, sizeof ftp.user}, 101 {"ftp pass", "", ftp.pass, sizeof ftp.pass}, 102 {"ftp proxy", "", ftp.proxy, sizeof ftp.proxy}, 103 {"nfs host", "", nfs_host, sizeof nfs_host}, 104 {"nfs dir", "/bsd/release", nfs_dir, sizeof nfs_dir}, 105 {"cd dev", 0, cdrom_dev, sizeof cdrom_dev}, /* default filled in init */ 106 {"fd dev", "/dev/fd0a", fd_dev, sizeof fd_dev}, 107 {"local dev", "", localfs_dev, sizeof localfs_dev}, 108 {"local fs", "ffs", localfs_fs, sizeof localfs_fs}, 109 {"local dir", "release", localfs_dir, sizeof localfs_dir}, 110 {"targetroot mount", "/targetroot", targetroot_mnt, sizeof targetroot_mnt}, 111 {"dist postfix", "." SETS_TAR_SUFF, dist_postfix, sizeof dist_postfix}, 112 {"dist tgz postfix", ".tgz", dist_tgz_postfix, sizeof dist_tgz_postfix}, 113 {"pkg host", SYSINST_PKG_HOST, pkg.xfer_host[XFER_FTP], sizeof pkg.xfer_host[XFER_FTP]}, 114 {"pkg http host", SYSINST_PKG_HTTP_HOST, pkg.xfer_host[XFER_HTTP], sizeof pkg.xfer_host[XFER_HTTP]}, 115 {"pkg dir", SYSINST_PKG_DIR, pkg.dir, sizeof pkg.dir}, 116 {"pkg prefix", "/" PKG_ARCH_SUBDIR "/" PKG_SUBDIR "/All", pkg_dir, sizeof pkg_dir}, 117 {"pkg user", "ftp", pkg.user, sizeof pkg.user}, 118 {"pkg pass", "", pkg.pass, sizeof pkg.pass}, 119 {"pkg proxy", "", pkg.proxy, sizeof pkg.proxy}, 120 {"pkgsrc host", SYSINST_PKGSRC_HOST, pkgsrc.xfer_host[XFER_FTP], sizeof pkgsrc.xfer_host[XFER_FTP]}, 121 {"pkgsrc http host", SYSINST_PKGSRC_HTTP_HOST, pkgsrc.xfer_host[XFER_HTTP], sizeof pkgsrc.xfer_host[XFER_HTTP]}, 122 {"pkgsrc dir", "", pkgsrc.dir, sizeof pkgsrc.dir}, 123 {"pkgsrc prefix", "pub/pkgsrc/stable", pkgsrc_dir, sizeof pkgsrc_dir}, 124 {"pkgsrc user", "ftp", pkgsrc.user, sizeof pkgsrc.user}, 125 {"pkgsrc pass", "", pkgsrc.pass, sizeof pkgsrc.pass}, 126 {"pkgsrc proxy", "", pkgsrc.proxy, sizeof pkgsrc.proxy}, 127 128 {NULL, NULL, NULL, 0} 129 }; 130 131 static void 132 init(void) 133 { 134 const struct f_arg *arg; 135 136 sizemult = 1; 137 tmp_ramdisk_size = 0; 138 clean_xfer_dir = 0; 139 mnt2_mounted = 0; 140 fd_type = "msdos"; 141 142 pm_head = (struct pm_head_t) SLIST_HEAD_INITIALIZER(pm_head); 143 SLIST_INIT(&pm_head); 144 pm_new = malloc(sizeof (struct pm_devs)); 145 memset(pm_new, 0, sizeof *pm_new); 146 147 for (arg = fflagopts; arg->name != NULL; arg++) { 148 if (arg->var == cdrom_dev) 149 get_default_cdrom(arg->var, arg->size); 150 else 151 strlcpy(arg->var, arg->dflt, arg->size); 152 } 153 pkg.xfer = pkgsrc.xfer = XFER_HTTP; 154 155 clr_arg.bg=COLOR_BLUE; 156 clr_arg.fg=COLOR_WHITE; 157 } 158 159 static void 160 init_lang(void) 161 { 162 sizemult = 1; 163 err_outofmem = msg_string(MSG_out_of_memory); 164 multname = msg_string(MSG_secname); 165 } 166 167 __weakref_visible void prelim_menu(void) 168 __weak_reference(md_prelim_menu); 169 170 int 171 main(int argc, char **argv) 172 { 173 int ch; 174 175 init(); 176 177 #ifdef DEBUG 178 log_flip(); 179 #endif 180 181 /* Check for TERM ... */ 182 if (!getenv("TERM")) { 183 (void)fprintf(stderr, 184 "sysinst: environment variable TERM not set.\n"); 185 exit(4); 186 } 187 188 /* argv processing */ 189 while ((ch = getopt(argc, argv, "Dr:f:C:" 190 #ifndef NO_PARTMAN 191 "p" 192 #endif 193 )) != -1) 194 switch(ch) { 195 case 'D': /* set to get past certain errors in testing */ 196 debug = 1; 197 break; 198 case 'r': 199 /* Release name other than compiled in release. */ 200 strncpy(rel, optarg, sizeof rel); 201 break; 202 case 'f': 203 /* Definition file to read. */ 204 process_f_flag(optarg); 205 break; 206 case 'C': 207 /* Define colors */ 208 sscanf(optarg, "%u:%u", &clr_arg.bg, &clr_arg.fg); 209 break; 210 #ifndef NO_PARTMAN 211 case 'p': 212 /* Partition tool */ 213 partman_go = 1; 214 break; 215 #endif 216 case '?': 217 default: 218 usage(); 219 } 220 221 md_init(); 222 223 /* Initialize the partitioning subsystem */ 224 partitions_init(); 225 226 /* initialize message window */ 227 if (menu_init()) { 228 __menu_initerror(); 229 exit(4); 230 } 231 232 /* 233 * Put 'messages' in a window that has a one-character border 234 * on the real screen. 235 */ 236 mainwin = newwin(getmaxy(stdscr) - 2, getmaxx(stdscr) - 2, 1, 1); 237 if (mainwin == NULL) { 238 (void)fprintf(stderr, 239 "sysinst: screen too small\n"); 240 exit(1); 241 } 242 if (has_colors()) { 243 start_color(); 244 do_coloring(clr_arg.fg,clr_arg.bg); 245 } else { 246 remove_color_options(); 247 } 248 msg_window(mainwin); 249 250 /* Watch for signals and clean up */ 251 (void)atexit(cleanup); 252 (void)signal(SIGINT, ttysighandler); 253 (void)signal(SIGQUIT, ttysighandler); 254 (void)signal(SIGHUP, miscsighandler); 255 256 /* redraw screen */ 257 touchwin(stdscr); 258 refresh(); 259 260 /* Ensure we have mountpoint for target filesystems */ 261 mkdir(targetroot_mnt, S_IRWXU| S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH); 262 263 select_language(); 264 get_kb_encoding(); 265 init_lang(); 266 267 #ifdef __weak_reference 268 /* if md wants to ask anything before we start, do it now */ 269 if (prelim_menu != 0) 270 prelim_menu(); 271 #endif 272 273 /* Menu processing */ 274 if (partman_go) 275 partman(); 276 else 277 process_menu(MENU_netbsd, NULL); 278 279 #ifndef NO_PARTMAN 280 /* clean up internal storage */ 281 pm_destroy_all(); 282 #endif 283 284 partitions_cleanup(); 285 286 exit_cleanly = 1; 287 return 0; 288 } 289 290 static int 291 set_language(menudesc *m, void *arg) 292 { 293 char **fnames = arg; 294 295 msg_file(fnames[m->cursel]); 296 return 1; 297 } 298 299 static void 300 select_language(void) 301 { 302 DIR *dir; 303 struct dirent *dirent; 304 char **lang_msg, **fnames; 305 char prefix[PATH_MAX], fname[PATH_MAX]; 306 int max_lang = 16, num_lang = 0; 307 const char *cp; 308 menu_ent *opt = 0; 309 int lang_menu = -1; 310 int lang; 311 312 #ifdef CATALOG_DIR 313 strcpy(prefix, CATALOG_DIR "/"); 314 dir = opendir(CATALOG_DIR); 315 if (!dir) { 316 strcpy(prefix, "./"); 317 dir = opendir("."); 318 } 319 #else 320 dir = opendir("."); 321 strcpy(prefix, "./"); 322 #endif 323 if (!dir) 324 return; 325 326 lang_msg = malloc(max_lang * sizeof *lang_msg); 327 fnames = malloc(max_lang * sizeof *fnames); 328 if (!lang_msg || !fnames) 329 goto done; 330 331 lang_msg[0] = strdup(msg_string(MSG_sysinst_message_language)); 332 fnames[0] = 0; 333 num_lang = 1; 334 335 while ((dirent = readdir(dir)) != 0) { 336 if (memcmp(dirent->d_name, "sysinstmsgs.", 12)) 337 continue; 338 strcpy(fname, prefix); 339 strcat(fname, dirent->d_name); 340 if (msg_file(fname)) 341 continue; 342 cp = msg_string(MSG_sysinst_message_language); 343 if (!strcmp(cp, lang_msg[0])) 344 continue; 345 if (num_lang == max_lang) { 346 char **new; 347 max_lang *= 2; 348 new = realloc(lang_msg, max_lang * sizeof *lang_msg); 349 if (!new) 350 break; 351 lang_msg = new; 352 new = realloc(fnames, max_lang * sizeof *fnames); 353 if (!new) 354 break; 355 fnames = new; 356 } 357 fnames[num_lang] = strdup(fname); 358 lang_msg[num_lang++] = strdup(cp); 359 } 360 msg_file(0); 361 closedir(dir); 362 dir = 0; 363 364 if (num_lang == 1) 365 goto done; 366 367 opt = calloc(num_lang, sizeof *opt); 368 if (!opt) 369 goto done; 370 371 for (lang = 0; lang < num_lang; lang++) { 372 opt[lang].opt_name = lang_msg[lang]; 373 opt[lang].opt_action = set_language; 374 } 375 376 lang_menu = new_menu(NULL, opt, num_lang, -1, 12, 0, 0, MC_NOEXITOPT, 377 NULL, NULL, NULL, NULL, NULL); 378 379 if (lang_menu != -1) { 380 msg_display(MSG_hello); 381 process_menu(lang_menu, fnames); 382 } 383 384 done: 385 if (dir) 386 closedir(dir); 387 if (lang_menu != -1) 388 free_menu(lang_menu); 389 free(opt); 390 while (num_lang) { 391 free(lang_msg[--num_lang]); 392 free(fnames[num_lang]); 393 } 394 free(lang_msg); 395 free(fnames); 396 397 /* set locale according to selected language */ 398 cp = msg_string(MSG_sysinst_message_locale); 399 if (cp) { 400 setlocale(LC_CTYPE, cp); 401 setenv("LC_CTYPE", cp, 1); 402 } 403 } 404 405 #ifndef md_may_remove_boot_medium 406 #define md_may_remove_boot_medium() (boot_media_still_needed()<=0) 407 #endif 408 409 /* toplevel menu handler ... */ 410 void 411 toplevel(void) 412 { 413 /* 414 * Undo any stateful side-effects of previous menu choices. 415 * XXX must be idempotent, since we get run each time the main 416 * menu is displayed. 417 */ 418 char *home = getenv("HOME"); 419 if (home != NULL) 420 if (chdir(home) != 0) 421 (void)chdir("/"); 422 unwind_mounts(); 423 424 /* Display banner message in (english, francais, deutsch..) */ 425 msg_display(MSG_hello); 426 msg_display_add(MSG_md_hello); 427 if (md_may_remove_boot_medium()) 428 msg_display_add(MSG_md_may_remove_boot_medium); 429 msg_display_add(MSG_thanks); 430 } 431 432 433 /* The usage ... */ 434 435 static void 436 usage(void) 437 { 438 439 (void)fprintf(stderr, "usage: sysinst [-D] [-f definition_file] " 440 "[-r release] [-C bg:fg]" 441 #ifndef NO_PARTMAN 442 " [-p]" 443 #endif 444 "\n" 445 "where:\n" 446 "\t-D\n\t\trun in debug mode\n" 447 "\t-f definition_file\n\t\toverride built-in defaults from file\n" 448 "\t-r release\n\t\toverride release name\n" 449 "\t-C bg:fg\n\t\tuse different color scheme\n" 450 #ifndef NO_PARTMAN 451 "\t-p\n\t\tonly run the partition editor, no installation\n" 452 #endif 453 ); 454 455 exit(1); 456 } 457 458 /* ARGSUSED */ 459 static void 460 miscsighandler(int signo) 461 { 462 463 /* 464 * we need to cleanup(), but it was already scheduled with atexit(), 465 * so it'll be invoked on exit(). 466 */ 467 exit(1); 468 } 469 470 static void 471 ttysighandler(int signo) 472 { 473 474 /* 475 * if we want to ignore a TTY signal (SIGINT or SIGQUIT), then we 476 * just return. If we want to forward a TTY signal, we forward it 477 * to the specified process group. 478 * 479 * This functionality is used when setting up and displaying child 480 * output so that the child gets the signal and presumably dies, 481 * but sysinst continues. We use this rather than actually ignoring 482 * the signals, because that will be be passed on to a child 483 * through fork/exec, whereas special handlers get reset on exec.. 484 */ 485 if (ttysig_ignore) 486 return; 487 if (ttysig_forward) { 488 killpg(ttysig_forward, signo); 489 return; 490 } 491 492 /* 493 * we need to cleanup(), but it was already scheduled with atexit(), 494 * so it'll be invoked on exit(). 495 */ 496 exit(1); 497 } 498 499 static void 500 cleanup(void) 501 { 502 time_t tloc; 503 504 (void)time(&tloc); 505 506 #if 0 507 restore_etc(); 508 #endif 509 /* Ensure we aren't inside the target tree */ 510 chdir(getenv("HOME")); 511 unwind_mounts(); 512 umount_mnt2(); 513 514 endwin(); 515 516 if (logfp) { 517 fprintf(logfp, "Log ended at: %s\n", safectime(&tloc)); 518 fflush(logfp); 519 fclose(logfp); 520 logfp = NULL; 521 } 522 if (script) { 523 fprintf(script, "# Script ended at: %s\n", safectime(&tloc)); 524 fflush(script); 525 fclose(script); 526 script = NULL; 527 } 528 529 if (!exit_cleanly) 530 fprintf(stderr, "\n\nsysinst terminated.\n"); 531 } 532 533 534 /* process function ... */ 535 536 void 537 process_f_flag(char *f_name) 538 { 539 char buffer[STRSIZE]; 540 int len; 541 const struct f_arg *arg; 542 FILE *fp; 543 char *cp, *cp1, *err; 544 545 /* open the file */ 546 fp = fopen(f_name, "r"); 547 if (fp == NULL) { 548 const char *args[] = { f_name }; 549 err = str_arg_subst(msg_string(MSG_config_open_error), 550 __arraycount(args), args); 551 fprintf(stderr, "%s\n", err); 552 free(err); 553 exit(1); 554 } 555 556 while (fgets(buffer, sizeof buffer, fp) != NULL) { 557 cp = buffer + strspn(buffer, " \t"); 558 if (strchr("#\r\n", *cp) != NULL) 559 continue; 560 for (arg = fflagopts; arg->name != NULL; arg++) { 561 len = strlen(arg->name); 562 if (memcmp(cp, arg->name, len) != 0) 563 continue; 564 cp1 = cp + len; 565 cp1 += strspn(cp1, " \t"); 566 if (*cp1++ != '=') 567 continue; 568 cp1 += strspn(cp1, " \t"); 569 len = strcspn(cp1, " \n\r\t"); 570 cp1[len] = 0; 571 strlcpy(arg->var, cp1, arg->size); 572 break; 573 } 574 } 575 576 fclose(fp); 577 } 578