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