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