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