1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Michael Fischbein. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static const char copyright[] = 37 "@(#) Copyright (c) 1989, 1993, 1994\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #if 0 42 #ifndef lint 43 static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94"; 44 #endif /* not lint */ 45 #endif 46 #include <sys/cdefs.h> 47 __FBSDID("$FreeBSD$"); 48 49 #include <sys/param.h> 50 #include <sys/stat.h> 51 #include <sys/ioctl.h> 52 #include <sys/mac.h> 53 54 #include <dirent.h> 55 #include <err.h> 56 #include <errno.h> 57 #include <fts.h> 58 #include <getopt.h> 59 #include <grp.h> 60 #include <inttypes.h> 61 #include <limits.h> 62 #include <locale.h> 63 #include <pwd.h> 64 #include <stdbool.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 #ifdef COLORLS 70 #include <termcap.h> 71 #include <signal.h> 72 #endif 73 74 #include "ls.h" 75 #include "extern.h" 76 77 /* 78 * Upward approximation of the maximum number of characters needed to 79 * represent a value of integral type t as a string, excluding the 80 * NUL terminator, with provision for a sign. 81 */ 82 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) 83 84 /* 85 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width 86 * into a number that wide in decimal. 87 * XXX: Overflows are not considered. 88 */ 89 #define MAKENINES(n) \ 90 do { \ 91 intmax_t i; \ 92 \ 93 /* Use a loop as all values of n are small. */ \ 94 for (i = 1; n > 0; i *= 10) \ 95 n--; \ 96 n = i - 1; \ 97 } while(0) 98 99 static void display(const FTSENT *, FTSENT *, int); 100 static int mastercmp(const FTSENT * const *, const FTSENT * const *); 101 static void traverse(int, char **, int); 102 103 #define COLOR_OPT (CHAR_MAX + 1) 104 105 static const struct option long_opts[] = 106 { 107 #ifdef COLORLS 108 {"color", optional_argument, NULL, COLOR_OPT}, 109 #endif 110 {NULL, no_argument, NULL, 0} 111 }; 112 113 static void (*printfcn)(const DISPLAY *); 114 static int (*sortfcn)(const FTSENT *, const FTSENT *); 115 116 long blocksize; /* block size units */ 117 int termwidth = 80; /* default terminal width */ 118 119 /* flags */ 120 int f_accesstime; /* use time of last access */ 121 int f_birthtime; /* use time of birth */ 122 int f_flags; /* show flags associated with a file */ 123 int f_humanval; /* show human-readable file sizes */ 124 int f_inode; /* print inode */ 125 static int f_kblocks; /* print size in kilobytes */ 126 int f_label; /* show MAC label */ 127 static int f_listdir; /* list actual directory, not contents */ 128 static int f_listdot; /* list files beginning with . */ 129 int f_longform; /* long listing format */ 130 static int f_noautodot; /* do not automatically enable -A for root */ 131 static int f_nofollow; /* don't follow symbolic link arguments */ 132 int f_nonprint; /* show unprintables as ? */ 133 static int f_nosort; /* don't sort output */ 134 int f_notabs; /* don't use tab-separated multi-col output */ 135 static int f_numericonly; /* don't convert uid/gid to name */ 136 int f_octal; /* show unprintables as \xxx */ 137 int f_octal_escape; /* like f_octal but use C escapes if possible */ 138 static int f_recursive; /* ls subdirectories also */ 139 static int f_reversesort; /* reverse whatever sort is used */ 140 int f_samesort; /* sort time and name in same direction */ 141 int f_sectime; /* print full time information */ 142 static int f_singlecol; /* use single column output */ 143 int f_size; /* list size in short listing */ 144 static int f_sizesort; 145 int f_slash; /* similar to f_type, but only for dirs */ 146 int f_sortacross; /* sort across rows, not down columns */ 147 int f_statustime; /* use time of last mode change */ 148 static int f_stream; /* stream the output, separate with commas */ 149 int f_thousands; /* show file sizes with thousands separators */ 150 char *f_timeformat; /* user-specified time format */ 151 static int f_timesort; /* sort by time vice name */ 152 int f_type; /* add type character for non-regular files */ 153 static int f_whiteout; /* show whiteout entries */ 154 #ifdef COLORLS 155 int colorflag = COLORFLAG_AUTO; /* passed in colorflag */ 156 int f_color; /* add type in color for non-regular files */ 157 bool explicitansi; /* Explicit ANSI sequences, no termcap(5) */ 158 char *ansi_bgcol; /* ANSI sequence to set background colour */ 159 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 160 char *ansi_coloff; /* ANSI sequence to reset colours */ 161 char *attrs_off; /* ANSI sequence to turn off attributes */ 162 char *enter_bold; /* ANSI sequence to set color to bold mode */ 163 #endif 164 165 static int rval; 166 167 static bool 168 do_color_from_env(void) 169 { 170 const char *p; 171 bool doit; 172 173 doit = false; 174 p = getenv("CLICOLOR"); 175 if (p == NULL) { 176 /* 177 * COLORTERM is the more standard name for this variable. We'll 178 * honor it as long as it's both set and not empty. 179 */ 180 p = getenv("COLORTERM"); 181 if (p != NULL && *p != '\0') 182 doit = true; 183 } else 184 doit = true; 185 186 return (doit && 187 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))); 188 } 189 190 static bool 191 do_color(void) 192 { 193 194 #ifdef COLORLS 195 if (colorflag == COLORFLAG_NEVER) 196 return (false); 197 else if (colorflag == COLORFLAG_ALWAYS) 198 return (true); 199 #endif 200 return (do_color_from_env()); 201 } 202 203 #ifdef COLORLS 204 static bool 205 do_color_always(const char *term) 206 { 207 208 return (strcmp(term, "always") == 0 || strcmp(term, "yes") == 0 || 209 strcmp(term, "force") == 0); 210 } 211 212 static bool 213 do_color_never(const char *term) 214 { 215 216 return (strcmp(term, "never") == 0 || strcmp(term, "no") == 0 || 217 strcmp(term, "none") == 0); 218 } 219 220 static bool 221 do_color_auto(const char *term) 222 { 223 224 return (strcmp(term, "auto") == 0 || strcmp(term, "tty") == 0 || 225 strcmp(term, "if-tty") == 0); 226 } 227 #endif /* COLORLS */ 228 229 int 230 main(int argc, char *argv[]) 231 { 232 static char dot[] = ".", *dotav[] = {dot, NULL}; 233 struct winsize win; 234 int ch, fts_options, notused; 235 char *p; 236 const char *errstr = NULL; 237 #ifdef COLORLS 238 char termcapbuf[1024]; /* termcap definition buffer */ 239 char tcapbuf[512]; /* capability buffer */ 240 char *bp = tcapbuf, *term; 241 #endif 242 243 (void)setlocale(LC_ALL, ""); 244 245 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 246 if (isatty(STDOUT_FILENO)) { 247 termwidth = 80; 248 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 249 termwidth = strtonum(p, 0, INT_MAX, &errstr); 250 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 251 win.ws_col > 0) 252 termwidth = win.ws_col; 253 f_nonprint = 1; 254 } else { 255 f_singlecol = 1; 256 /* retrieve environment variable, in case of explicit -C */ 257 p = getenv("COLUMNS"); 258 if (p) 259 termwidth = strtonum(p, 0, INT_MAX, &errstr); 260 } 261 262 if (errstr) 263 termwidth = 80; 264 265 fts_options = FTS_PHYSICAL; 266 if (getenv("LS_SAMESORT")) 267 f_samesort = 1; 268 while ((ch = getopt_long(argc, argv, 269 "+1ABCD:FGHILPRSTUWXZabcdfghiklmnopqrstuwxy,", long_opts, 270 NULL)) != -1) { 271 switch (ch) { 272 /* 273 * The -1, -C, -x and -l options all override each other so 274 * shell aliasing works right. 275 */ 276 case '1': 277 f_singlecol = 1; 278 f_longform = 0; 279 f_stream = 0; 280 break; 281 case 'C': 282 f_sortacross = f_longform = f_singlecol = 0; 283 break; 284 case 'l': 285 f_longform = 1; 286 f_singlecol = 0; 287 f_stream = 0; 288 break; 289 case 'x': 290 f_sortacross = 1; 291 f_longform = 0; 292 f_singlecol = 0; 293 break; 294 /* The -c, -u, and -U options override each other. */ 295 case 'c': 296 f_statustime = 1; 297 f_accesstime = 0; 298 f_birthtime = 0; 299 break; 300 case 'u': 301 f_accesstime = 1; 302 f_statustime = 0; 303 f_birthtime = 0; 304 break; 305 case 'U': 306 f_birthtime = 1; 307 f_accesstime = 0; 308 f_statustime = 0; 309 break; 310 case 'f': 311 f_nosort = 1; 312 /* FALLTHROUGH */ 313 case 'a': 314 fts_options |= FTS_SEEDOT; 315 /* FALLTHROUGH */ 316 case 'A': 317 f_listdot = 1; 318 break; 319 /* The -t and -S options override each other. */ 320 case 'S': 321 f_sizesort = 1; 322 f_timesort = 0; 323 break; 324 case 't': 325 f_timesort = 1; 326 f_sizesort = 0; 327 break; 328 /* Other flags. Please keep alphabetic. */ 329 case ',': 330 f_thousands = 1; 331 break; 332 case 'B': 333 f_nonprint = 0; 334 f_octal = 1; 335 f_octal_escape = 0; 336 break; 337 case 'D': 338 f_timeformat = optarg; 339 break; 340 case 'F': 341 f_type = 1; 342 f_slash = 0; 343 break; 344 case 'G': 345 setenv("CLICOLOR", "", 1); 346 break; 347 case 'H': 348 fts_options |= FTS_COMFOLLOW; 349 f_nofollow = 0; 350 break; 351 case 'I': 352 f_noautodot = 1; 353 break; 354 case 'L': 355 fts_options &= ~FTS_PHYSICAL; 356 fts_options |= FTS_LOGICAL; 357 f_nofollow = 0; 358 break; 359 case 'P': 360 fts_options &= ~FTS_COMFOLLOW; 361 fts_options &= ~FTS_LOGICAL; 362 fts_options |= FTS_PHYSICAL; 363 f_nofollow = 1; 364 break; 365 case 'R': 366 f_recursive = 1; 367 break; 368 case 'T': 369 f_sectime = 1; 370 break; 371 case 'W': 372 f_whiteout = 1; 373 break; 374 case 'Z': 375 f_label = 1; 376 break; 377 case 'b': 378 f_nonprint = 0; 379 f_octal = 0; 380 f_octal_escape = 1; 381 break; 382 /* The -d option turns off the -R option. */ 383 case 'd': 384 f_listdir = 1; 385 f_recursive = 0; 386 break; 387 case 'g': /* Compatibility with 4.3BSD. */ 388 break; 389 case 'h': 390 f_humanval = 1; 391 break; 392 case 'i': 393 f_inode = 1; 394 break; 395 case 'k': 396 f_humanval = 0; 397 f_kblocks = 1; 398 break; 399 case 'm': 400 f_stream = 1; 401 f_singlecol = 0; 402 f_longform = 0; 403 break; 404 case 'n': 405 f_numericonly = 1; 406 break; 407 case 'o': 408 f_flags = 1; 409 break; 410 case 'p': 411 f_slash = 1; 412 f_type = 1; 413 break; 414 case 'q': 415 f_nonprint = 1; 416 f_octal = 0; 417 f_octal_escape = 0; 418 break; 419 case 'r': 420 f_reversesort = 1; 421 break; 422 case 's': 423 f_size = 1; 424 break; 425 case 'w': 426 f_nonprint = 0; 427 f_octal = 0; 428 f_octal_escape = 0; 429 break; 430 case 'y': 431 f_samesort = 1; 432 break; 433 #ifdef COLORLS 434 case COLOR_OPT: 435 if (optarg == NULL || do_color_always(optarg)) 436 colorflag = COLORFLAG_ALWAYS; 437 else if (do_color_auto(optarg)) 438 colorflag = COLORFLAG_AUTO; 439 else if (do_color_never(optarg)) 440 colorflag = COLORFLAG_NEVER; 441 else 442 errx(2, "unsupported --color value '%s' (must be always, auto, or never)", 443 optarg); 444 break; 445 #endif 446 default: 447 case '?': 448 usage(); 449 } 450 } 451 argc -= optind; 452 argv += optind; 453 454 /* Root is -A automatically unless -I. */ 455 if (!f_listdot && getuid() == (uid_t)0 && !f_noautodot) 456 f_listdot = 1; 457 458 /* 459 * Enabling of colours is conditional on the environment in conjunction 460 * with the --color and -G arguments, if supplied. 461 */ 462 if (do_color()) { 463 #ifdef COLORLS 464 if ((term = getenv("TERM")) != NULL && 465 tgetent(termcapbuf, term) == 1) { 466 ansi_fgcol = tgetstr("AF", &bp); 467 ansi_bgcol = tgetstr("AB", &bp); 468 attrs_off = tgetstr("me", &bp); 469 enter_bold = tgetstr("md", &bp); 470 471 /* To switch colours off use 'op' if 472 * available, otherwise use 'oc', or 473 * don't do colours at all. */ 474 ansi_coloff = tgetstr("op", &bp); 475 if (!ansi_coloff) 476 ansi_coloff = tgetstr("oc", &bp); 477 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 478 f_color = 1; 479 } else if (colorflag == COLORFLAG_ALWAYS) { 480 /* 481 * If we're *always* doing color but we don't have 482 * a functional TERM supplied, we'll fallback to 483 * outputting raw ANSI sequences. 484 */ 485 f_color = 1; 486 explicitansi = true; 487 } 488 #else 489 warnx("color support not compiled in"); 490 #endif /*COLORLS*/ 491 } 492 493 #ifdef COLORLS 494 if (f_color) { 495 /* 496 * We can't put tabs and color sequences together: 497 * column number will be incremented incorrectly 498 * for "stty oxtabs" mode. 499 */ 500 f_notabs = 1; 501 (void)signal(SIGINT, colorquit); 502 (void)signal(SIGQUIT, colorquit); 503 parsecolors(getenv("LSCOLORS")); 504 } 505 #endif 506 507 /* 508 * If not -F, -i, -l, -s, -S or -t options, don't require stat 509 * information, unless in color mode in which case we do 510 * need this to determine which colors to display. 511 */ 512 if (!f_inode && !f_longform && !f_size && !f_timesort && 513 !f_sizesort && !f_type 514 #ifdef COLORLS 515 && !f_color 516 #endif 517 ) 518 fts_options |= FTS_NOSTAT; 519 520 /* 521 * If not -F, -P, -d or -l options, follow any symbolic links listed on 522 * the command line, unless in color mode in which case we need to 523 * distinguish file type for a symbolic link itself and its target. 524 */ 525 if (!f_nofollow && !f_longform && !f_listdir && (!f_type || f_slash) 526 #ifdef COLORLS 527 && !f_color 528 #endif 529 ) 530 fts_options |= FTS_COMFOLLOW; 531 532 /* 533 * If -W, show whiteout entries 534 */ 535 #ifdef FTS_WHITEOUT 536 if (f_whiteout) 537 fts_options |= FTS_WHITEOUT; 538 #endif 539 540 /* If -i, -l or -s, figure out block size. */ 541 if (f_inode || f_longform || f_size) { 542 if (f_kblocks) 543 blocksize = 2; 544 else { 545 (void)getbsize(¬used, &blocksize); 546 blocksize /= 512; 547 } 548 } 549 /* Select a sort function. */ 550 if (f_reversesort) { 551 if (!f_timesort && !f_sizesort) 552 sortfcn = revnamecmp; 553 else if (f_sizesort) 554 sortfcn = revsizecmp; 555 else if (f_accesstime) 556 sortfcn = revacccmp; 557 else if (f_birthtime) 558 sortfcn = revbirthcmp; 559 else if (f_statustime) 560 sortfcn = revstatcmp; 561 else /* Use modification time. */ 562 sortfcn = revmodcmp; 563 } else { 564 if (!f_timesort && !f_sizesort) 565 sortfcn = namecmp; 566 else if (f_sizesort) 567 sortfcn = sizecmp; 568 else if (f_accesstime) 569 sortfcn = acccmp; 570 else if (f_birthtime) 571 sortfcn = birthcmp; 572 else if (f_statustime) 573 sortfcn = statcmp; 574 else /* Use modification time. */ 575 sortfcn = modcmp; 576 } 577 578 /* Select a print function. */ 579 if (f_singlecol) 580 printfcn = printscol; 581 else if (f_longform) 582 printfcn = printlong; 583 else if (f_stream) 584 printfcn = printstream; 585 else 586 printfcn = printcol; 587 588 if (argc) 589 traverse(argc, argv, fts_options); 590 else 591 traverse(1, dotav, fts_options); 592 exit(rval); 593 } 594 595 static int output; /* If anything output. */ 596 597 /* 598 * Traverse() walks the logical directory structure specified by the argv list 599 * in the order specified by the mastercmp() comparison function. During the 600 * traversal it passes linked lists of structures to display() which represent 601 * a superset (may be exact set) of the files to be displayed. 602 */ 603 static void 604 traverse(int argc, char *argv[], int options) 605 { 606 FTS *ftsp; 607 FTSENT *p, *chp; 608 int ch_options; 609 610 if ((ftsp = 611 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 612 err(1, "fts_open"); 613 614 /* 615 * We ignore errors from fts_children here since they will be 616 * replicated and signalled on the next call to fts_read() below. 617 */ 618 chp = fts_children(ftsp, 0); 619 if (chp != NULL) 620 display(NULL, chp, options); 621 if (f_listdir) 622 return; 623 624 /* 625 * If not recursing down this tree and don't need stat info, just get 626 * the names. 627 */ 628 ch_options = !f_recursive && !f_label && 629 options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 630 631 while ((p = fts_read(ftsp)) != NULL) 632 switch (p->fts_info) { 633 case FTS_DC: 634 warnx("%s: directory causes a cycle", p->fts_name); 635 break; 636 case FTS_DNR: 637 case FTS_ERR: 638 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 639 rval = 1; 640 break; 641 case FTS_D: 642 if (p->fts_level != FTS_ROOTLEVEL && 643 p->fts_name[0] == '.' && !f_listdot) 644 break; 645 646 /* 647 * If already output something, put out a newline as 648 * a separator. If multiple arguments, precede each 649 * directory with its name. 650 */ 651 if (output) { 652 putchar('\n'); 653 (void)printname(p->fts_path); 654 puts(":"); 655 } else if (argc > 1) { 656 (void)printname(p->fts_path); 657 puts(":"); 658 output = 1; 659 } 660 chp = fts_children(ftsp, ch_options); 661 display(p, chp, options); 662 663 if (!f_recursive && chp != NULL) 664 (void)fts_set(ftsp, p, FTS_SKIP); 665 break; 666 default: 667 break; 668 } 669 if (errno) 670 err(1, "fts_read"); 671 } 672 673 /* 674 * Display() takes a linked list of FTSENT structures and passes the list 675 * along with any other necessary information to the print function. P 676 * points to the parent directory of the display list. 677 */ 678 static void 679 display(const FTSENT *p, FTSENT *list, int options) 680 { 681 struct stat *sp; 682 DISPLAY d; 683 FTSENT *cur; 684 NAMES *np; 685 off_t maxsize; 686 long maxblock; 687 uintmax_t maxinode; 688 u_long btotal, labelstrlen, maxlen, maxnlink; 689 u_long maxlabelstr; 690 u_int sizelen; 691 int maxflags; 692 gid_t maxgroup; 693 uid_t maxuser; 694 size_t flen, ulen, glen; 695 char *initmax; 696 int entries, needstats; 697 const char *user, *group; 698 char *flags, *labelstr = NULL; 699 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 700 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 701 702 needstats = f_inode || f_longform || f_size; 703 flen = 0; 704 btotal = 0; 705 initmax = getenv("LS_COLWIDTHS"); 706 /* Fields match -lios order. New ones should be added at the end. */ 707 maxlabelstr = maxblock = maxlen = maxnlink = 0; 708 maxuser = maxgroup = maxflags = maxsize = 0; 709 maxinode = 0; 710 if (initmax != NULL && *initmax != '\0') { 711 char *initmax2, *jinitmax; 712 int ninitmax; 713 714 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 715 jinitmax = malloc(strlen(initmax) * 2 + 2); 716 if (jinitmax == NULL) 717 err(1, "malloc"); 718 initmax2 = jinitmax; 719 if (*initmax == ':') 720 strcpy(initmax2, "0:"), initmax2 += 2; 721 else 722 *initmax2++ = *initmax, *initmax2 = '\0'; 723 for (initmax++; *initmax != '\0'; initmax++) { 724 if (initmax[-1] == ':' && initmax[0] == ':') { 725 *initmax2++ = '0'; 726 *initmax2++ = initmax[0]; 727 initmax2[1] = '\0'; 728 } else { 729 *initmax2++ = initmax[0]; 730 initmax2[1] = '\0'; 731 } 732 } 733 if (initmax2[-1] == ':') 734 strcpy(initmax2, "0"); 735 736 ninitmax = sscanf(jinitmax, 737 " %ju : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ", 738 &maxinode, &maxblock, &maxnlink, &maxuser, 739 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr); 740 f_notabs = 1; 741 switch (ninitmax) { 742 case 0: 743 maxinode = 0; 744 /* FALLTHROUGH */ 745 case 1: 746 maxblock = 0; 747 /* FALLTHROUGH */ 748 case 2: 749 maxnlink = 0; 750 /* FALLTHROUGH */ 751 case 3: 752 maxuser = 0; 753 /* FALLTHROUGH */ 754 case 4: 755 maxgroup = 0; 756 /* FALLTHROUGH */ 757 case 5: 758 maxflags = 0; 759 /* FALLTHROUGH */ 760 case 6: 761 maxsize = 0; 762 /* FALLTHROUGH */ 763 case 7: 764 maxlen = 0; 765 /* FALLTHROUGH */ 766 case 8: 767 maxlabelstr = 0; 768 /* FALLTHROUGH */ 769 #ifdef COLORLS 770 if (!f_color) 771 #endif 772 f_notabs = 0; 773 /* FALLTHROUGH */ 774 default: 775 break; 776 } 777 MAKENINES(maxinode); 778 MAKENINES(maxblock); 779 MAKENINES(maxnlink); 780 MAKENINES(maxsize); 781 free(jinitmax); 782 } 783 d.s_size = 0; 784 sizelen = 0; 785 flags = NULL; 786 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 787 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 788 warnx("%s: %s", 789 cur->fts_name, strerror(cur->fts_errno)); 790 cur->fts_number = NO_PRINT; 791 rval = 1; 792 continue; 793 } 794 /* 795 * P is NULL if list is the argv list, to which different rules 796 * apply. 797 */ 798 if (p == NULL) { 799 /* Directories will be displayed later. */ 800 if (cur->fts_info == FTS_D && !f_listdir) { 801 cur->fts_number = NO_PRINT; 802 continue; 803 } 804 } else { 805 /* Only display dot file if -a/-A set. */ 806 if (cur->fts_name[0] == '.' && !f_listdot) { 807 cur->fts_number = NO_PRINT; 808 continue; 809 } 810 } 811 if (cur->fts_namelen > maxlen) 812 maxlen = cur->fts_namelen; 813 if (f_octal || f_octal_escape) { 814 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 815 816 if (t > maxlen) 817 maxlen = t; 818 } 819 if (needstats) { 820 sp = cur->fts_statp; 821 if (sp->st_blocks > maxblock) 822 maxblock = sp->st_blocks; 823 if (sp->st_ino > maxinode) 824 maxinode = sp->st_ino; 825 if (sp->st_nlink > maxnlink) 826 maxnlink = sp->st_nlink; 827 if (sp->st_size > maxsize) 828 maxsize = sp->st_size; 829 830 btotal += sp->st_blocks; 831 if (f_longform) { 832 if (f_numericonly) { 833 (void)snprintf(nuser, sizeof(nuser), 834 "%u", sp->st_uid); 835 (void)snprintf(ngroup, sizeof(ngroup), 836 "%u", sp->st_gid); 837 user = nuser; 838 group = ngroup; 839 } else { 840 user = user_from_uid(sp->st_uid, 0); 841 group = group_from_gid(sp->st_gid, 0); 842 } 843 if ((ulen = strlen(user)) > maxuser) 844 maxuser = ulen; 845 if ((glen = strlen(group)) > maxgroup) 846 maxgroup = glen; 847 if (f_flags) { 848 flags = fflagstostr(sp->st_flags); 849 if (flags != NULL && *flags == '\0') { 850 free(flags); 851 flags = strdup("-"); 852 } 853 if (flags == NULL) 854 err(1, "fflagstostr"); 855 flen = strlen(flags); 856 if (flen > (size_t)maxflags) 857 maxflags = flen; 858 } else 859 flen = 0; 860 labelstr = NULL; 861 if (f_label) { 862 char name[PATH_MAX + 1]; 863 mac_t label; 864 int error; 865 866 error = mac_prepare_file_label(&label); 867 if (error == -1) { 868 warn("MAC label for %s/%s", 869 cur->fts_parent->fts_path, 870 cur->fts_name); 871 goto label_out; 872 } 873 874 if (cur->fts_level == FTS_ROOTLEVEL) 875 snprintf(name, sizeof(name), 876 "%s", cur->fts_name); 877 else 878 snprintf(name, sizeof(name), 879 "%s/%s", cur->fts_parent-> 880 fts_accpath, cur->fts_name); 881 882 if (options & FTS_LOGICAL) 883 error = mac_get_file(name, 884 label); 885 else 886 error = mac_get_link(name, 887 label); 888 if (error == -1) { 889 warn("MAC label for %s/%s", 890 cur->fts_parent->fts_path, 891 cur->fts_name); 892 mac_free(label); 893 goto label_out; 894 } 895 896 error = mac_to_text(label, 897 &labelstr); 898 if (error == -1) { 899 warn("MAC label for %s/%s", 900 cur->fts_parent->fts_path, 901 cur->fts_name); 902 mac_free(label); 903 goto label_out; 904 } 905 mac_free(label); 906 label_out: 907 if (labelstr == NULL) 908 labelstr = strdup("-"); 909 labelstrlen = strlen(labelstr); 910 if (labelstrlen > maxlabelstr) 911 maxlabelstr = labelstrlen; 912 } else 913 labelstrlen = 0; 914 915 if ((np = malloc(sizeof(NAMES) + labelstrlen + 916 ulen + glen + flen + 4)) == NULL) 917 err(1, "malloc"); 918 919 np->user = &np->data[0]; 920 (void)strcpy(np->user, user); 921 np->group = &np->data[ulen + 1]; 922 (void)strcpy(np->group, group); 923 924 if (S_ISCHR(sp->st_mode) || 925 S_ISBLK(sp->st_mode)) { 926 sizelen = snprintf(NULL, 0, 927 "%#jx", (uintmax_t)sp->st_rdev); 928 if (d.s_size < sizelen) 929 d.s_size = sizelen; 930 } 931 932 if (f_flags) { 933 np->flags = &np->data[ulen + glen + 2]; 934 (void)strcpy(np->flags, flags); 935 free(flags); 936 } 937 if (f_label) { 938 np->label = &np->data[ulen + glen + 2 939 + (f_flags ? flen + 1 : 0)]; 940 (void)strcpy(np->label, labelstr); 941 free(labelstr); 942 } 943 cur->fts_pointer = np; 944 } 945 } 946 ++entries; 947 } 948 949 /* 950 * If there are no entries to display, we normally stop right 951 * here. However, we must continue if we have to display the 952 * total block count. In this case, we display the total only 953 * on the second (p != NULL) pass. 954 */ 955 if (!entries && (!(f_longform || f_size) || p == NULL)) 956 return; 957 958 d.list = list; 959 d.entries = entries; 960 d.maxlen = maxlen; 961 if (needstats) { 962 d.btotal = btotal; 963 d.s_block = snprintf(NULL, 0, "%lu", howmany(maxblock, blocksize)); 964 d.s_flags = maxflags; 965 d.s_label = maxlabelstr; 966 d.s_group = maxgroup; 967 d.s_inode = snprintf(NULL, 0, "%ju", maxinode); 968 d.s_nlink = snprintf(NULL, 0, "%lu", maxnlink); 969 sizelen = f_humanval ? HUMANVALSTR_LEN : 970 snprintf(NULL, 0, "%ju", maxsize); 971 if (d.s_size < sizelen) 972 d.s_size = sizelen; 973 d.s_user = maxuser; 974 } 975 if (f_thousands) /* make space for commas */ 976 d.s_size += (d.s_size - 1) / 3; 977 printfcn(&d); 978 output = 1; 979 980 if (f_longform) 981 for (cur = list; cur; cur = cur->fts_link) 982 free(cur->fts_pointer); 983 } 984 985 /* 986 * Ordering for mastercmp: 987 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 988 * as larger than directories. Within either group, use the sort function. 989 * All other levels use the sort function. Error entries remain unsorted. 990 */ 991 static int 992 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 993 { 994 int a_info, b_info; 995 996 a_info = (*a)->fts_info; 997 if (a_info == FTS_ERR) 998 return (0); 999 b_info = (*b)->fts_info; 1000 if (b_info == FTS_ERR) 1001 return (0); 1002 1003 if (a_info == FTS_NS || b_info == FTS_NS) 1004 return (namecmp(*a, *b)); 1005 1006 if (a_info != b_info && 1007 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 1008 if (a_info == FTS_D) 1009 return (1); 1010 if (b_info == FTS_D) 1011 return (-1); 1012 } 1013 return (sortfcn(*a, *b)); 1014 } 1015