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 int 204 main(int argc, char *argv[]) 205 { 206 static char dot[] = ".", *dotav[] = {dot, NULL}; 207 struct winsize win; 208 int ch, fts_options, notused; 209 char *p; 210 const char *errstr = NULL; 211 #ifdef COLORLS 212 char termcapbuf[1024]; /* termcap definition buffer */ 213 char tcapbuf[512]; /* capability buffer */ 214 char *bp = tcapbuf, *term; 215 #endif 216 217 (void)setlocale(LC_ALL, ""); 218 219 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 220 if (isatty(STDOUT_FILENO)) { 221 termwidth = 80; 222 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 223 termwidth = strtonum(p, 0, INT_MAX, &errstr); 224 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 225 win.ws_col > 0) 226 termwidth = win.ws_col; 227 f_nonprint = 1; 228 } else { 229 f_singlecol = 1; 230 /* retrieve environment variable, in case of explicit -C */ 231 p = getenv("COLUMNS"); 232 if (p) 233 termwidth = strtonum(p, 0, INT_MAX, &errstr); 234 } 235 236 if (errstr) 237 termwidth = 80; 238 239 fts_options = FTS_PHYSICAL; 240 if (getenv("LS_SAMESORT")) 241 f_samesort = 1; 242 while ((ch = getopt_long(argc, argv, 243 "+1ABCD:FGHILPRSTUWXZabcdfghiklmnopqrstuwxy,", long_opts, 244 NULL)) != -1) { 245 switch (ch) { 246 /* 247 * The -1, -C, -x and -l options all override each other so 248 * shell aliasing works right. 249 */ 250 case '1': 251 f_singlecol = 1; 252 f_longform = 0; 253 f_stream = 0; 254 break; 255 case 'C': 256 f_sortacross = f_longform = f_singlecol = 0; 257 break; 258 case 'l': 259 f_longform = 1; 260 f_singlecol = 0; 261 f_stream = 0; 262 break; 263 case 'x': 264 f_sortacross = 1; 265 f_longform = 0; 266 f_singlecol = 0; 267 break; 268 /* The -c, -u, and -U options override each other. */ 269 case 'c': 270 f_statustime = 1; 271 f_accesstime = 0; 272 f_birthtime = 0; 273 break; 274 case 'u': 275 f_accesstime = 1; 276 f_statustime = 0; 277 f_birthtime = 0; 278 break; 279 case 'U': 280 f_birthtime = 1; 281 f_accesstime = 0; 282 f_statustime = 0; 283 break; 284 case 'f': 285 f_nosort = 1; 286 /* FALLTHROUGH */ 287 case 'a': 288 fts_options |= FTS_SEEDOT; 289 /* FALLTHROUGH */ 290 case 'A': 291 f_listdot = 1; 292 break; 293 /* The -t and -S options override each other. */ 294 case 'S': 295 f_sizesort = 1; 296 f_timesort = 0; 297 break; 298 case 't': 299 f_timesort = 1; 300 f_sizesort = 0; 301 break; 302 /* Other flags. Please keep alphabetic. */ 303 case ',': 304 f_thousands = 1; 305 break; 306 case 'B': 307 f_nonprint = 0; 308 f_octal = 1; 309 f_octal_escape = 0; 310 break; 311 case 'D': 312 f_timeformat = optarg; 313 break; 314 case 'F': 315 f_type = 1; 316 f_slash = 0; 317 break; 318 case 'G': 319 setenv("CLICOLOR", "", 1); 320 break; 321 case 'H': 322 fts_options |= FTS_COMFOLLOW; 323 f_nofollow = 0; 324 break; 325 case 'I': 326 f_noautodot = 1; 327 break; 328 case 'L': 329 fts_options &= ~FTS_PHYSICAL; 330 fts_options |= FTS_LOGICAL; 331 f_nofollow = 0; 332 break; 333 case 'P': 334 fts_options &= ~FTS_COMFOLLOW; 335 fts_options &= ~FTS_LOGICAL; 336 fts_options |= FTS_PHYSICAL; 337 f_nofollow = 1; 338 break; 339 case 'R': 340 f_recursive = 1; 341 break; 342 case 'T': 343 f_sectime = 1; 344 break; 345 case 'W': 346 f_whiteout = 1; 347 break; 348 case 'Z': 349 f_label = 1; 350 break; 351 case 'b': 352 f_nonprint = 0; 353 f_octal = 0; 354 f_octal_escape = 1; 355 break; 356 /* The -d option turns off the -R option. */ 357 case 'd': 358 f_listdir = 1; 359 f_recursive = 0; 360 break; 361 case 'g': /* Compatibility with 4.3BSD. */ 362 break; 363 case 'h': 364 f_humanval = 1; 365 break; 366 case 'i': 367 f_inode = 1; 368 break; 369 case 'k': 370 f_humanval = 0; 371 f_kblocks = 1; 372 break; 373 case 'm': 374 f_stream = 1; 375 f_singlecol = 0; 376 f_longform = 0; 377 break; 378 case 'n': 379 f_numericonly = 1; 380 break; 381 case 'o': 382 f_flags = 1; 383 break; 384 case 'p': 385 f_slash = 1; 386 f_type = 1; 387 break; 388 case 'q': 389 f_nonprint = 1; 390 f_octal = 0; 391 f_octal_escape = 0; 392 break; 393 case 'r': 394 f_reversesort = 1; 395 break; 396 case 's': 397 f_size = 1; 398 break; 399 case 'w': 400 f_nonprint = 0; 401 f_octal = 0; 402 f_octal_escape = 0; 403 break; 404 case 'y': 405 f_samesort = 1; 406 break; 407 #ifdef COLORLS 408 case COLOR_OPT: 409 if (optarg == NULL || strcmp(optarg, "always") == 0) 410 colorflag = COLORFLAG_ALWAYS; 411 else if (strcmp(optarg, "auto") == 0) 412 colorflag = COLORFLAG_AUTO; 413 else if (strcmp(optarg, "never") == 0) 414 colorflag = COLORFLAG_NEVER; 415 else 416 errx(2, "unsupported --color value '%s' (must be always, auto, or never)", 417 optarg); 418 break; 419 #endif 420 default: 421 case '?': 422 usage(); 423 } 424 } 425 argc -= optind; 426 argv += optind; 427 428 /* Root is -A automatically unless -I. */ 429 if (!f_listdot && getuid() == (uid_t)0 && !f_noautodot) 430 f_listdot = 1; 431 432 /* 433 * Enabling of colours is conditional on the environment in conjunction 434 * with the --color and -G arguments, if supplied. 435 */ 436 if (do_color()) { 437 #ifdef COLORLS 438 if ((term = getenv("TERM")) != NULL && 439 tgetent(termcapbuf, term) == 1) { 440 ansi_fgcol = tgetstr("AF", &bp); 441 ansi_bgcol = tgetstr("AB", &bp); 442 attrs_off = tgetstr("me", &bp); 443 enter_bold = tgetstr("md", &bp); 444 445 /* To switch colours off use 'op' if 446 * available, otherwise use 'oc', or 447 * don't do colours at all. */ 448 ansi_coloff = tgetstr("op", &bp); 449 if (!ansi_coloff) 450 ansi_coloff = tgetstr("oc", &bp); 451 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 452 f_color = 1; 453 } else if (colorflag == COLORFLAG_ALWAYS) { 454 /* 455 * If we're *always* doing color but we don't have 456 * a functional TERM supplied, we'll fallback to 457 * outputting raw ANSI sequences. 458 */ 459 f_color = 1; 460 explicitansi = true; 461 } 462 #else 463 warnx("color support not compiled in"); 464 #endif /*COLORLS*/ 465 } 466 467 #ifdef COLORLS 468 if (f_color) { 469 /* 470 * We can't put tabs and color sequences together: 471 * column number will be incremented incorrectly 472 * for "stty oxtabs" mode. 473 */ 474 f_notabs = 1; 475 (void)signal(SIGINT, colorquit); 476 (void)signal(SIGQUIT, colorquit); 477 parsecolors(getenv("LSCOLORS")); 478 } 479 #endif 480 481 /* 482 * If not -F, -i, -l, -s, -S or -t options, don't require stat 483 * information, unless in color mode in which case we do 484 * need this to determine which colors to display. 485 */ 486 if (!f_inode && !f_longform && !f_size && !f_timesort && 487 !f_sizesort && !f_type 488 #ifdef COLORLS 489 && !f_color 490 #endif 491 ) 492 fts_options |= FTS_NOSTAT; 493 494 /* 495 * If not -F, -P, -d or -l options, follow any symbolic links listed on 496 * the command line, unless in color mode in which case we need to 497 * distinguish file type for a symbolic link itself and its target. 498 */ 499 if (!f_nofollow && !f_longform && !f_listdir && (!f_type || f_slash) 500 #ifdef COLORLS 501 && !f_color 502 #endif 503 ) 504 fts_options |= FTS_COMFOLLOW; 505 506 /* 507 * If -W, show whiteout entries 508 */ 509 #ifdef FTS_WHITEOUT 510 if (f_whiteout) 511 fts_options |= FTS_WHITEOUT; 512 #endif 513 514 /* If -i, -l or -s, figure out block size. */ 515 if (f_inode || f_longform || f_size) { 516 if (f_kblocks) 517 blocksize = 2; 518 else { 519 (void)getbsize(¬used, &blocksize); 520 blocksize /= 512; 521 } 522 } 523 /* Select a sort function. */ 524 if (f_reversesort) { 525 if (!f_timesort && !f_sizesort) 526 sortfcn = revnamecmp; 527 else if (f_sizesort) 528 sortfcn = revsizecmp; 529 else if (f_accesstime) 530 sortfcn = revacccmp; 531 else if (f_birthtime) 532 sortfcn = revbirthcmp; 533 else if (f_statustime) 534 sortfcn = revstatcmp; 535 else /* Use modification time. */ 536 sortfcn = revmodcmp; 537 } else { 538 if (!f_timesort && !f_sizesort) 539 sortfcn = namecmp; 540 else if (f_sizesort) 541 sortfcn = sizecmp; 542 else if (f_accesstime) 543 sortfcn = acccmp; 544 else if (f_birthtime) 545 sortfcn = birthcmp; 546 else if (f_statustime) 547 sortfcn = statcmp; 548 else /* Use modification time. */ 549 sortfcn = modcmp; 550 } 551 552 /* Select a print function. */ 553 if (f_singlecol) 554 printfcn = printscol; 555 else if (f_longform) 556 printfcn = printlong; 557 else if (f_stream) 558 printfcn = printstream; 559 else 560 printfcn = printcol; 561 562 if (argc) 563 traverse(argc, argv, fts_options); 564 else 565 traverse(1, dotav, fts_options); 566 exit(rval); 567 } 568 569 static int output; /* If anything output. */ 570 571 /* 572 * Traverse() walks the logical directory structure specified by the argv list 573 * in the order specified by the mastercmp() comparison function. During the 574 * traversal it passes linked lists of structures to display() which represent 575 * a superset (may be exact set) of the files to be displayed. 576 */ 577 static void 578 traverse(int argc, char *argv[], int options) 579 { 580 FTS *ftsp; 581 FTSENT *p, *chp; 582 int ch_options; 583 584 if ((ftsp = 585 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 586 err(1, "fts_open"); 587 588 /* 589 * We ignore errors from fts_children here since they will be 590 * replicated and signalled on the next call to fts_read() below. 591 */ 592 chp = fts_children(ftsp, 0); 593 if (chp != NULL) 594 display(NULL, chp, options); 595 if (f_listdir) 596 return; 597 598 /* 599 * If not recursing down this tree and don't need stat info, just get 600 * the names. 601 */ 602 ch_options = !f_recursive && !f_label && 603 options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 604 605 while ((p = fts_read(ftsp)) != NULL) 606 switch (p->fts_info) { 607 case FTS_DC: 608 warnx("%s: directory causes a cycle", p->fts_name); 609 break; 610 case FTS_DNR: 611 case FTS_ERR: 612 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 613 rval = 1; 614 break; 615 case FTS_D: 616 if (p->fts_level != FTS_ROOTLEVEL && 617 p->fts_name[0] == '.' && !f_listdot) 618 break; 619 620 /* 621 * If already output something, put out a newline as 622 * a separator. If multiple arguments, precede each 623 * directory with its name. 624 */ 625 if (output) { 626 putchar('\n'); 627 (void)printname(p->fts_path); 628 puts(":"); 629 } else if (argc > 1) { 630 (void)printname(p->fts_path); 631 puts(":"); 632 output = 1; 633 } 634 chp = fts_children(ftsp, ch_options); 635 display(p, chp, options); 636 637 if (!f_recursive && chp != NULL) 638 (void)fts_set(ftsp, p, FTS_SKIP); 639 break; 640 default: 641 break; 642 } 643 if (errno) 644 err(1, "fts_read"); 645 } 646 647 /* 648 * Display() takes a linked list of FTSENT structures and passes the list 649 * along with any other necessary information to the print function. P 650 * points to the parent directory of the display list. 651 */ 652 static void 653 display(const FTSENT *p, FTSENT *list, int options) 654 { 655 struct stat *sp; 656 DISPLAY d; 657 FTSENT *cur; 658 NAMES *np; 659 off_t maxsize; 660 long maxblock; 661 uintmax_t maxinode; 662 u_long btotal, labelstrlen, maxlen, maxnlink; 663 u_long maxlabelstr; 664 u_int sizelen; 665 int maxflags; 666 gid_t maxgroup; 667 uid_t maxuser; 668 size_t flen, ulen, glen; 669 char *initmax; 670 int entries, needstats; 671 const char *user, *group; 672 char *flags, *labelstr = NULL; 673 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 674 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 675 676 needstats = f_inode || f_longform || f_size; 677 flen = 0; 678 btotal = 0; 679 initmax = getenv("LS_COLWIDTHS"); 680 /* Fields match -lios order. New ones should be added at the end. */ 681 maxlabelstr = maxblock = maxlen = maxnlink = 0; 682 maxuser = maxgroup = maxflags = maxsize = 0; 683 maxinode = 0; 684 if (initmax != NULL && *initmax != '\0') { 685 char *initmax2, *jinitmax; 686 int ninitmax; 687 688 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 689 jinitmax = malloc(strlen(initmax) * 2 + 2); 690 if (jinitmax == NULL) 691 err(1, "malloc"); 692 initmax2 = jinitmax; 693 if (*initmax == ':') 694 strcpy(initmax2, "0:"), initmax2 += 2; 695 else 696 *initmax2++ = *initmax, *initmax2 = '\0'; 697 for (initmax++; *initmax != '\0'; initmax++) { 698 if (initmax[-1] == ':' && initmax[0] == ':') { 699 *initmax2++ = '0'; 700 *initmax2++ = initmax[0]; 701 initmax2[1] = '\0'; 702 } else { 703 *initmax2++ = initmax[0]; 704 initmax2[1] = '\0'; 705 } 706 } 707 if (initmax2[-1] == ':') 708 strcpy(initmax2, "0"); 709 710 ninitmax = sscanf(jinitmax, 711 " %ju : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ", 712 &maxinode, &maxblock, &maxnlink, &maxuser, 713 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr); 714 f_notabs = 1; 715 switch (ninitmax) { 716 case 0: 717 maxinode = 0; 718 /* FALLTHROUGH */ 719 case 1: 720 maxblock = 0; 721 /* FALLTHROUGH */ 722 case 2: 723 maxnlink = 0; 724 /* FALLTHROUGH */ 725 case 3: 726 maxuser = 0; 727 /* FALLTHROUGH */ 728 case 4: 729 maxgroup = 0; 730 /* FALLTHROUGH */ 731 case 5: 732 maxflags = 0; 733 /* FALLTHROUGH */ 734 case 6: 735 maxsize = 0; 736 /* FALLTHROUGH */ 737 case 7: 738 maxlen = 0; 739 /* FALLTHROUGH */ 740 case 8: 741 maxlabelstr = 0; 742 /* FALLTHROUGH */ 743 #ifdef COLORLS 744 if (!f_color) 745 #endif 746 f_notabs = 0; 747 /* FALLTHROUGH */ 748 default: 749 break; 750 } 751 MAKENINES(maxinode); 752 MAKENINES(maxblock); 753 MAKENINES(maxnlink); 754 MAKENINES(maxsize); 755 free(jinitmax); 756 } 757 d.s_size = 0; 758 sizelen = 0; 759 flags = NULL; 760 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 761 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 762 warnx("%s: %s", 763 cur->fts_name, strerror(cur->fts_errno)); 764 cur->fts_number = NO_PRINT; 765 rval = 1; 766 continue; 767 } 768 /* 769 * P is NULL if list is the argv list, to which different rules 770 * apply. 771 */ 772 if (p == NULL) { 773 /* Directories will be displayed later. */ 774 if (cur->fts_info == FTS_D && !f_listdir) { 775 cur->fts_number = NO_PRINT; 776 continue; 777 } 778 } else { 779 /* Only display dot file if -a/-A set. */ 780 if (cur->fts_name[0] == '.' && !f_listdot) { 781 cur->fts_number = NO_PRINT; 782 continue; 783 } 784 } 785 if (cur->fts_namelen > maxlen) 786 maxlen = cur->fts_namelen; 787 if (f_octal || f_octal_escape) { 788 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 789 790 if (t > maxlen) 791 maxlen = t; 792 } 793 if (needstats) { 794 sp = cur->fts_statp; 795 if (sp->st_blocks > maxblock) 796 maxblock = sp->st_blocks; 797 if (sp->st_ino > maxinode) 798 maxinode = sp->st_ino; 799 if (sp->st_nlink > maxnlink) 800 maxnlink = sp->st_nlink; 801 if (sp->st_size > maxsize) 802 maxsize = sp->st_size; 803 804 btotal += sp->st_blocks; 805 if (f_longform) { 806 if (f_numericonly) { 807 (void)snprintf(nuser, sizeof(nuser), 808 "%u", sp->st_uid); 809 (void)snprintf(ngroup, sizeof(ngroup), 810 "%u", sp->st_gid); 811 user = nuser; 812 group = ngroup; 813 } else { 814 user = user_from_uid(sp->st_uid, 0); 815 group = group_from_gid(sp->st_gid, 0); 816 } 817 if ((ulen = strlen(user)) > maxuser) 818 maxuser = ulen; 819 if ((glen = strlen(group)) > maxgroup) 820 maxgroup = glen; 821 if (f_flags) { 822 flags = fflagstostr(sp->st_flags); 823 if (flags != NULL && *flags == '\0') { 824 free(flags); 825 flags = strdup("-"); 826 } 827 if (flags == NULL) 828 err(1, "fflagstostr"); 829 flen = strlen(flags); 830 if (flen > (size_t)maxflags) 831 maxflags = flen; 832 } else 833 flen = 0; 834 labelstr = NULL; 835 if (f_label) { 836 char name[PATH_MAX + 1]; 837 mac_t label; 838 int error; 839 840 error = mac_prepare_file_label(&label); 841 if (error == -1) { 842 warn("MAC label for %s/%s", 843 cur->fts_parent->fts_path, 844 cur->fts_name); 845 goto label_out; 846 } 847 848 if (cur->fts_level == FTS_ROOTLEVEL) 849 snprintf(name, sizeof(name), 850 "%s", cur->fts_name); 851 else 852 snprintf(name, sizeof(name), 853 "%s/%s", cur->fts_parent-> 854 fts_accpath, cur->fts_name); 855 856 if (options & FTS_LOGICAL) 857 error = mac_get_file(name, 858 label); 859 else 860 error = mac_get_link(name, 861 label); 862 if (error == -1) { 863 warn("MAC label for %s/%s", 864 cur->fts_parent->fts_path, 865 cur->fts_name); 866 mac_free(label); 867 goto label_out; 868 } 869 870 error = mac_to_text(label, 871 &labelstr); 872 if (error == -1) { 873 warn("MAC label for %s/%s", 874 cur->fts_parent->fts_path, 875 cur->fts_name); 876 mac_free(label); 877 goto label_out; 878 } 879 mac_free(label); 880 label_out: 881 if (labelstr == NULL) 882 labelstr = strdup("-"); 883 labelstrlen = strlen(labelstr); 884 if (labelstrlen > maxlabelstr) 885 maxlabelstr = labelstrlen; 886 } else 887 labelstrlen = 0; 888 889 if ((np = malloc(sizeof(NAMES) + labelstrlen + 890 ulen + glen + flen + 4)) == NULL) 891 err(1, "malloc"); 892 893 np->user = &np->data[0]; 894 (void)strcpy(np->user, user); 895 np->group = &np->data[ulen + 1]; 896 (void)strcpy(np->group, group); 897 898 if (S_ISCHR(sp->st_mode) || 899 S_ISBLK(sp->st_mode)) { 900 sizelen = snprintf(NULL, 0, 901 "%#jx", (uintmax_t)sp->st_rdev); 902 if (d.s_size < sizelen) 903 d.s_size = sizelen; 904 } 905 906 if (f_flags) { 907 np->flags = &np->data[ulen + glen + 2]; 908 (void)strcpy(np->flags, flags); 909 free(flags); 910 } 911 if (f_label) { 912 np->label = &np->data[ulen + glen + 2 913 + (f_flags ? flen + 1 : 0)]; 914 (void)strcpy(np->label, labelstr); 915 free(labelstr); 916 } 917 cur->fts_pointer = np; 918 } 919 } 920 ++entries; 921 } 922 923 /* 924 * If there are no entries to display, we normally stop right 925 * here. However, we must continue if we have to display the 926 * total block count. In this case, we display the total only 927 * on the second (p != NULL) pass. 928 */ 929 if (!entries && (!(f_longform || f_size) || p == NULL)) 930 return; 931 932 d.list = list; 933 d.entries = entries; 934 d.maxlen = maxlen; 935 if (needstats) { 936 d.btotal = btotal; 937 d.s_block = snprintf(NULL, 0, "%lu", howmany(maxblock, blocksize)); 938 d.s_flags = maxflags; 939 d.s_label = maxlabelstr; 940 d.s_group = maxgroup; 941 d.s_inode = snprintf(NULL, 0, "%ju", maxinode); 942 d.s_nlink = snprintf(NULL, 0, "%lu", maxnlink); 943 sizelen = f_humanval ? HUMANVALSTR_LEN : 944 snprintf(NULL, 0, "%ju", maxsize); 945 if (d.s_size < sizelen) 946 d.s_size = sizelen; 947 d.s_user = maxuser; 948 } 949 if (f_thousands) /* make space for commas */ 950 d.s_size += (d.s_size - 1) / 3; 951 printfcn(&d); 952 output = 1; 953 954 if (f_longform) 955 for (cur = list; cur; cur = cur->fts_link) 956 free(cur->fts_pointer); 957 } 958 959 /* 960 * Ordering for mastercmp: 961 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 962 * as larger than directories. Within either group, use the sort function. 963 * All other levels use the sort function. Error entries remain unsorted. 964 */ 965 static int 966 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 967 { 968 int a_info, b_info; 969 970 a_info = (*a)->fts_info; 971 if (a_info == FTS_ERR) 972 return (0); 973 b_info = (*b)->fts_info; 974 if (b_info == FTS_ERR) 975 return (0); 976 977 if (a_info == FTS_NS || b_info == FTS_NS) 978 return (namecmp(*a, *b)); 979 980 if (a_info != b_info && 981 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 982 if (a_info == FTS_D) 983 return (1); 984 if (b_info == FTS_D) 985 return (-1); 986 } 987 return (sortfcn(*a, *b)); 988 } 989