1 /* $NetBSD: main.c,v 1.17 2019/06/22 20:46:07 christos 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 exit_cleanly = 1; 285 return 0; 286 } 287 288 static int 289 set_language(menudesc *m, void *arg) 290 { 291 char **fnames = arg; 292 293 msg_file(fnames[m->cursel]); 294 return 1; 295 } 296 297 static void 298 select_language(void) 299 { 300 DIR *dir; 301 struct dirent *dirent; 302 char **lang_msg, **fnames; 303 char prefix[PATH_MAX], fname[PATH_MAX]; 304 int max_lang = 16, num_lang = 0; 305 const char *cp; 306 menu_ent *opt = 0; 307 int lang_menu = -1; 308 int lang; 309 310 #ifdef CATALOG_DIR 311 strcpy(prefix, CATALOG_DIR "/"); 312 dir = opendir(CATALOG_DIR); 313 if (!dir) { 314 strcpy(prefix, "./"); 315 dir = opendir("."); 316 } 317 #else 318 dir = opendir("."); 319 strcpy(prefix, "./"); 320 #endif 321 if (!dir) 322 return; 323 324 lang_msg = malloc(max_lang * sizeof *lang_msg); 325 fnames = malloc(max_lang * sizeof *fnames); 326 if (!lang_msg || !fnames) 327 goto done; 328 329 lang_msg[0] = strdup(msg_string(MSG_sysinst_message_language)); 330 fnames[0] = 0; 331 num_lang = 1; 332 333 while ((dirent = readdir(dir)) != 0) { 334 if (memcmp(dirent->d_name, "sysinstmsgs.", 12)) 335 continue; 336 strcpy(fname, prefix); 337 strcat(fname, dirent->d_name); 338 if (msg_file(fname)) 339 continue; 340 cp = msg_string(MSG_sysinst_message_language); 341 if (!strcmp(cp, lang_msg[0])) 342 continue; 343 if (num_lang == max_lang) { 344 char **new; 345 max_lang *= 2; 346 new = realloc(lang_msg, max_lang * sizeof *lang_msg); 347 if (!new) 348 break; 349 lang_msg = new; 350 new = realloc(fnames, max_lang * sizeof *fnames); 351 if (!new) 352 break; 353 fnames = new; 354 } 355 fnames[num_lang] = strdup(fname); 356 lang_msg[num_lang++] = strdup(cp); 357 } 358 msg_file(0); 359 closedir(dir); 360 dir = 0; 361 362 if (num_lang == 1) 363 goto done; 364 365 opt = calloc(num_lang, sizeof *opt); 366 if (!opt) 367 goto done; 368 369 for (lang = 0; lang < num_lang; lang++) { 370 opt[lang].opt_name = lang_msg[lang]; 371 opt[lang].opt_action = set_language; 372 } 373 374 lang_menu = new_menu(NULL, opt, num_lang, -1, 12, 0, 0, MC_NOEXITOPT, 375 NULL, NULL, NULL, NULL, NULL); 376 377 if (lang_menu != -1) { 378 msg_display(MSG_hello); 379 process_menu(lang_menu, fnames); 380 } 381 382 done: 383 if (dir) 384 closedir(dir); 385 if (lang_menu != -1) 386 free_menu(lang_menu); 387 free(opt); 388 while (num_lang) { 389 free(lang_msg[--num_lang]); 390 free(fnames[num_lang]); 391 } 392 free(lang_msg); 393 free(fnames); 394 395 /* set locale according to selected language */ 396 cp = msg_string(MSG_sysinst_message_locale); 397 if (cp) { 398 setlocale(LC_CTYPE, cp); 399 setenv("LC_CTYPE", cp, 1); 400 } 401 } 402 403 #ifndef md_may_remove_boot_medium 404 #define md_may_remove_boot_medium() (boot_media_still_needed()<=0) 405 #endif 406 407 /* toplevel menu handler ... */ 408 void 409 toplevel(void) 410 { 411 /* 412 * Undo any stateful side-effects of previous menu choices. 413 * XXX must be idempotent, since we get run each time the main 414 * menu is displayed. 415 */ 416 char *home = getenv("HOME"); 417 if (home != NULL) 418 if (chdir(home) != 0) 419 (void)chdir("/"); 420 unwind_mounts(); 421 422 /* Display banner message in (english, francais, deutsch..) */ 423 msg_display(MSG_hello); 424 msg_display_add(MSG_md_hello); 425 if (md_may_remove_boot_medium()) 426 msg_display_add(MSG_md_may_remove_boot_medium); 427 msg_display_add(MSG_thanks); 428 } 429 430 431 /* The usage ... */ 432 433 static void 434 usage(void) 435 { 436 437 (void)fprintf(stderr, "usage: sysinst [-D] [-f definition_file] " 438 "[-r release] [-C bg:fg]" 439 #ifndef NO_PARTMAN 440 " [-p]" 441 #endif 442 "\n" 443 "where:\n" 444 "\t-D\n\t\trun in debug mode\n" 445 "\t-f definition_file\n\t\toverride built-in defaults from file\n" 446 "\t-r release\n\t\toverride release name\n" 447 "\t-C bg:fg\n\t\tuse different color scheme\n" 448 #ifndef NO_PARTMAN 449 "\t-p\n\t\tonly run the partition editor, no installation\n" 450 #endif 451 ); 452 453 exit(1); 454 } 455 456 /* ARGSUSED */ 457 static void 458 miscsighandler(int signo) 459 { 460 461 /* 462 * we need to cleanup(), but it was already scheduled with atexit(), 463 * so it'll be invoked on exit(). 464 */ 465 exit(1); 466 } 467 468 static void 469 ttysighandler(int signo) 470 { 471 472 /* 473 * if we want to ignore a TTY signal (SIGINT or SIGQUIT), then we 474 * just return. If we want to forward a TTY signal, we forward it 475 * to the specified process group. 476 * 477 * This functionality is used when setting up and displaying child 478 * output so that the child gets the signal and presumably dies, 479 * but sysinst continues. We use this rather than actually ignoring 480 * the signals, because that will be be passed on to a child 481 * through fork/exec, whereas special handlers get reset on exec.. 482 */ 483 if (ttysig_ignore) 484 return; 485 if (ttysig_forward) { 486 killpg(ttysig_forward, signo); 487 return; 488 } 489 490 /* 491 * we need to cleanup(), but it was already scheduled with atexit(), 492 * so it'll be invoked on exit(). 493 */ 494 exit(1); 495 } 496 497 static void 498 cleanup(void) 499 { 500 time_t tloc; 501 502 (void)time(&tloc); 503 504 #if 0 505 restore_etc(); 506 #endif 507 /* Ensure we aren't inside the target tree */ 508 chdir(getenv("HOME")); 509 unwind_mounts(); 510 umount_mnt2(); 511 512 endwin(); 513 514 if (logfp) { 515 fprintf(logfp, "Log ended at: %s\n", safectime(&tloc)); 516 fflush(logfp); 517 fclose(logfp); 518 logfp = NULL; 519 } 520 if (script) { 521 fprintf(script, "# Script ended at: %s\n", safectime(&tloc)); 522 fflush(script); 523 fclose(script); 524 script = NULL; 525 } 526 527 if (!exit_cleanly) 528 fprintf(stderr, "\n\nsysinst terminated.\n"); 529 } 530 531 532 /* process function ... */ 533 534 void 535 process_f_flag(char *f_name) 536 { 537 char buffer[STRSIZE]; 538 int len; 539 const struct f_arg *arg; 540 FILE *fp; 541 char *cp, *cp1, *err; 542 543 /* open the file */ 544 fp = fopen(f_name, "r"); 545 if (fp == NULL) { 546 const char *args[] = { f_name }; 547 err = str_arg_subst(msg_string(MSG_config_open_error), 548 __arraycount(args), args); 549 fprintf(stderr, "%s\n", err); 550 free(err); 551 exit(1); 552 } 553 554 while (fgets(buffer, sizeof buffer, fp) != NULL) { 555 cp = buffer + strspn(buffer, " \t"); 556 if (strchr("#\r\n", *cp) != NULL) 557 continue; 558 for (arg = fflagopts; arg->name != NULL; arg++) { 559 len = strlen(arg->name); 560 if (memcmp(cp, arg->name, len) != 0) 561 continue; 562 cp1 = cp + len; 563 cp1 += strspn(cp1, " \t"); 564 if (*cp1++ != '=') 565 continue; 566 cp1 += strspn(cp1, " \t"); 567 len = strcspn(cp1, " \n\r\t"); 568 cp1[len] = 0; 569 strlcpy(arg->var, cp1, arg->size); 570 break; 571 } 572 } 573 574 fclose(fp); 575 } 576