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 #if 0 36 #ifndef lint 37 static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94"; 38 #endif /* not lint */ 39 #endif 40 #include <sys/cdefs.h> 41 #include <sys/param.h> 42 #include <sys/stat.h> 43 #include <sys/acl.h> 44 45 #include <err.h> 46 #include <errno.h> 47 #include <fts.h> 48 #include <langinfo.h> 49 #include <libutil.h> 50 #include <limits.h> 51 #include <stdio.h> 52 #include <stdint.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <time.h> 56 #include <unistd.h> 57 #include <wchar.h> 58 #ifdef COLORLS 59 #include <ctype.h> 60 #include <termcap.h> 61 #include <signal.h> 62 #endif 63 64 #include "ls.h" 65 #include "extern.h" 66 67 static int printaname(const FTSENT *, u_long, u_long); 68 static void printdev(size_t, dev_t); 69 static void printlink(const FTSENT *); 70 static void printtime(time_t); 71 static int printtype(u_int); 72 static void printsize(size_t, off_t); 73 #ifdef COLORLS 74 static void endcolor_termcap(int); 75 static void endcolor_ansi(void); 76 static void endcolor(int); 77 static int colortype(mode_t); 78 #endif 79 static void aclmode(char *, const FTSENT *); 80 81 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 82 83 #ifdef COLORLS 84 /* Most of these are taken from <sys/stat.h> */ 85 typedef enum Colors { 86 C_DIR, /* directory */ 87 C_LNK, /* symbolic link */ 88 C_SOCK, /* socket */ 89 C_FIFO, /* pipe */ 90 C_EXEC, /* executable */ 91 C_BLK, /* block special */ 92 C_CHR, /* character special */ 93 C_SUID, /* setuid executable */ 94 C_SGID, /* setgid executable */ 95 C_WSDIR, /* directory writeble to others, with sticky 96 * bit */ 97 C_WDIR, /* directory writeble to others, without 98 * sticky bit */ 99 C_NUMCOLORS /* just a place-holder */ 100 } Colors; 101 102 static const char *defcolors = "exfxcxdxbxegedabagacad"; 103 104 /* colors for file types */ 105 static struct { 106 int num[2]; 107 bool bold; 108 bool underline; 109 } colors[C_NUMCOLORS]; 110 #endif 111 112 static size_t padding_for_month[12]; 113 static size_t month_max_size = 0; 114 115 void 116 printscol(const DISPLAY *dp) 117 { 118 FTSENT *p; 119 120 for (p = dp->list; p; p = p->fts_link) { 121 if (IS_NOPRINT(p)) 122 continue; 123 (void)printaname(p, dp->s_inode, dp->s_block); 124 (void)putchar('\n'); 125 } 126 } 127 128 /* 129 * print name in current style 130 */ 131 int 132 printname(const char *name) 133 { 134 if (f_octal || f_octal_escape) 135 return prn_octal(name); 136 else if (f_nonprint) 137 return prn_printable(name); 138 else 139 return prn_normal(name); 140 } 141 142 static const char * 143 get_abmon(int mon) 144 { 145 146 switch (mon) { 147 case 0: return (nl_langinfo(ABMON_1)); 148 case 1: return (nl_langinfo(ABMON_2)); 149 case 2: return (nl_langinfo(ABMON_3)); 150 case 3: return (nl_langinfo(ABMON_4)); 151 case 4: return (nl_langinfo(ABMON_5)); 152 case 5: return (nl_langinfo(ABMON_6)); 153 case 6: return (nl_langinfo(ABMON_7)); 154 case 7: return (nl_langinfo(ABMON_8)); 155 case 8: return (nl_langinfo(ABMON_9)); 156 case 9: return (nl_langinfo(ABMON_10)); 157 case 10: return (nl_langinfo(ABMON_11)); 158 case 11: return (nl_langinfo(ABMON_12)); 159 } 160 161 /* should never happen */ 162 abort(); 163 } 164 165 static size_t 166 mbswidth(const char *month) 167 { 168 wchar_t wc; 169 size_t width, donelen, clen, w; 170 171 width = donelen = 0; 172 while ((clen = mbrtowc(&wc, month + donelen, MB_LEN_MAX, NULL)) != 0) { 173 if (clen == (size_t)-1 || clen == (size_t)-2) 174 return (-1); 175 donelen += clen; 176 if ((w = wcwidth(wc)) == (size_t)-1) 177 return (-1); 178 width += w; 179 } 180 181 return (width); 182 } 183 184 static void 185 compute_abbreviated_month_size(void) 186 { 187 int i; 188 size_t width; 189 size_t months_width[12]; 190 191 for (i = 0; i < 12; i++) { 192 width = mbswidth(get_abmon(i)); 193 if (width == (size_t)-1) { 194 month_max_size = -1; 195 return; 196 } 197 months_width[i] = width; 198 if (width > month_max_size) 199 month_max_size = width; 200 } 201 202 for (i = 0; i < 12; i++) 203 padding_for_month[i] = month_max_size - months_width[i]; 204 } 205 206 void 207 printlong(const DISPLAY *dp) 208 { 209 struct stat *sp; 210 FTSENT *p; 211 NAMES *np; 212 char buf[20]; 213 #ifdef COLORLS 214 int color_printed = 0; 215 #endif 216 217 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) && 218 (f_longform || f_size)) { 219 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 220 } 221 222 for (p = dp->list; p; p = p->fts_link) { 223 if (IS_NOPRINT(p)) 224 continue; 225 sp = p->fts_statp; 226 if (f_inode) 227 (void)printf("%*ju ", 228 dp->s_inode, (uintmax_t)sp->st_ino); 229 if (f_size) 230 (void)printf("%*jd ", 231 dp->s_block, howmany(sp->st_blocks, blocksize)); 232 strmode(sp->st_mode, buf); 233 aclmode(buf, p); 234 np = p->fts_pointer; 235 (void)printf("%s %*ju ", buf, dp->s_nlink, 236 (uintmax_t)sp->st_nlink); 237 if (!f_sowner) 238 (void)printf("%-*s ", dp->s_user, np->user); 239 (void)printf("%-*s ", dp->s_group, np->group); 240 if (f_flags) 241 (void)printf("%-*s ", dp->s_flags, np->flags); 242 if (f_label) 243 (void)printf("%-*s ", dp->s_label, np->label); 244 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 245 printdev(dp->s_size, sp->st_rdev); 246 else 247 printsize(dp->s_size, sp->st_size); 248 if (f_accesstime) 249 printtime(sp->st_atime); 250 else if (f_birthtime) 251 printtime(sp->st_birthtime); 252 else if (f_statustime) 253 printtime(sp->st_ctime); 254 else 255 printtime(sp->st_mtime); 256 #ifdef COLORLS 257 if (f_color) 258 color_printed = colortype(sp->st_mode); 259 #endif 260 (void)printname(p->fts_name); 261 #ifdef COLORLS 262 if (f_color && color_printed) 263 endcolor(0); 264 #endif 265 if (f_type) 266 (void)printtype(sp->st_mode); 267 if (S_ISLNK(sp->st_mode)) 268 printlink(p); 269 (void)putchar('\n'); 270 } 271 } 272 273 void 274 printstream(const DISPLAY *dp) 275 { 276 FTSENT *p; 277 int chcnt; 278 279 for (p = dp->list, chcnt = 0; p; p = p->fts_link) { 280 if (p->fts_number == NO_PRINT) 281 continue; 282 /* XXX strlen does not take octal escapes into account. */ 283 if (strlen(p->fts_name) + chcnt + 284 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) { 285 putchar('\n'); 286 chcnt = 0; 287 } 288 chcnt += printaname(p, dp->s_inode, dp->s_block); 289 if (p->fts_link) { 290 printf(", "); 291 chcnt += 2; 292 } 293 } 294 if (chcnt) 295 putchar('\n'); 296 } 297 298 void 299 printcol(const DISPLAY *dp) 300 { 301 static FTSENT **array; 302 static int lastentries = -1; 303 FTSENT *p; 304 FTSENT **narray; 305 int base; 306 int chcnt; 307 int cnt; 308 int col; 309 int colwidth; 310 int endcol; 311 int num; 312 int numcols; 313 int numrows; 314 int row; 315 int tabwidth; 316 317 if (f_notabs) 318 tabwidth = 1; 319 else 320 tabwidth = 8; 321 322 /* 323 * Have to do random access in the linked list -- build a table 324 * of pointers. 325 */ 326 if (dp->entries > lastentries) { 327 if ((narray = 328 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 329 warn(NULL); 330 printscol(dp); 331 return; 332 } 333 lastentries = dp->entries; 334 array = narray; 335 } 336 for (p = dp->list, num = 0; p; p = p->fts_link) 337 if (p->fts_number != NO_PRINT) 338 array[num++] = p; 339 340 colwidth = dp->maxlen; 341 if (f_inode) 342 colwidth += dp->s_inode + 1; 343 if (f_size) 344 colwidth += dp->s_block + 1; 345 if (f_type) 346 colwidth += 1; 347 348 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1); 349 if (termwidth < 2 * colwidth) { 350 printscol(dp); 351 return; 352 } 353 numcols = termwidth / colwidth; 354 numrows = num / numcols; 355 if (num % numcols) 356 ++numrows; 357 358 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) && 359 (f_longform || f_size)) { 360 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 361 } 362 363 base = 0; 364 for (row = 0; row < numrows; ++row) { 365 endcol = colwidth; 366 if (!f_sortacross) 367 base = row; 368 for (col = 0, chcnt = 0; col < numcols; ++col) { 369 chcnt += printaname(array[base], dp->s_inode, 370 dp->s_block); 371 if (f_sortacross) 372 base++; 373 else 374 base += numrows; 375 if (base >= num) 376 break; 377 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1))) 378 <= endcol) { 379 if (f_sortacross && col + 1 >= numcols) 380 break; 381 (void)putchar(f_notabs ? ' ' : '\t'); 382 chcnt = cnt; 383 } 384 endcol += colwidth; 385 } 386 (void)putchar('\n'); 387 } 388 } 389 390 /* 391 * print [inode] [size] name 392 * return # of characters printed, no trailing characters. 393 */ 394 static int 395 printaname(const FTSENT *p, u_long inodefield, u_long sizefield) 396 { 397 struct stat *sp; 398 int chcnt; 399 #ifdef COLORLS 400 int color_printed = 0; 401 #endif 402 403 sp = p->fts_statp; 404 chcnt = 0; 405 if (f_inode) 406 chcnt += printf("%*ju ", 407 (int)inodefield, (uintmax_t)sp->st_ino); 408 if (f_size) 409 chcnt += printf("%*jd ", 410 (int)sizefield, howmany(sp->st_blocks, blocksize)); 411 #ifdef COLORLS 412 if (f_color) 413 color_printed = colortype(sp->st_mode); 414 #endif 415 chcnt += printname(p->fts_name); 416 #ifdef COLORLS 417 if (f_color && color_printed) 418 endcolor(0); 419 #endif 420 if (f_type) 421 chcnt += printtype(sp->st_mode); 422 return (chcnt); 423 } 424 425 /* 426 * Print device special file major and minor numbers. 427 */ 428 static void 429 printdev(size_t width, dev_t dev) 430 { 431 432 (void)printf("%#*jx ", (u_int)width, (uintmax_t)dev); 433 } 434 435 static void 436 ls_strftime(char *str, size_t len, const char *fmt, const struct tm *tm) 437 { 438 char *posb, nfmt[BUFSIZ]; 439 const char *format = fmt; 440 441 if ((posb = strstr(fmt, "%b")) != NULL) { 442 if (month_max_size == 0) { 443 compute_abbreviated_month_size(); 444 } 445 if (month_max_size > 0 && tm != NULL) { 446 snprintf(nfmt, sizeof(nfmt), "%.*s%s%*s%s", 447 (int)(posb - fmt), fmt, 448 get_abmon(tm->tm_mon), 449 (int)padding_for_month[tm->tm_mon], 450 "", 451 posb + 2); 452 format = nfmt; 453 } 454 } 455 if (tm != NULL) 456 strftime(str, len, format, tm); 457 else 458 strlcpy(str, "bad date val", len); 459 } 460 461 static void 462 printtime(time_t ftime) 463 { 464 char longstring[80]; 465 static time_t now = 0; 466 const char *format; 467 static int d_first = -1; 468 469 if (d_first < 0) 470 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 471 if (now == 0) 472 now = time(NULL); 473 474 #define SIXMONTHS ((365 / 2) * 86400) 475 if (f_timeformat) /* user specified format */ 476 format = f_timeformat; 477 else if (f_sectime) 478 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */ 479 format = d_first ? "%e %b %T %Y" : "%b %e %T %Y"; 480 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 481 /* mmm dd hh:mm || dd mmm hh:mm */ 482 format = d_first ? "%e %b %R" : "%b %e %R"; 483 else 484 /* mmm dd yyyy || dd mmm yyyy */ 485 format = d_first ? "%e %b %Y" : "%b %e %Y"; 486 ls_strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 487 fputs(longstring, stdout); 488 fputc(' ', stdout); 489 } 490 491 static int 492 printtype(u_int mode) 493 { 494 495 if (f_slash) { 496 if ((mode & S_IFMT) == S_IFDIR) { 497 (void)putchar('/'); 498 return (1); 499 } 500 return (0); 501 } 502 503 switch (mode & S_IFMT) { 504 case S_IFDIR: 505 (void)putchar('/'); 506 return (1); 507 case S_IFIFO: 508 (void)putchar('|'); 509 return (1); 510 case S_IFLNK: 511 (void)putchar('@'); 512 return (1); 513 case S_IFSOCK: 514 (void)putchar('='); 515 return (1); 516 case S_IFWHT: 517 (void)putchar('%'); 518 return (1); 519 default: 520 break; 521 } 522 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 523 (void)putchar('*'); 524 return (1); 525 } 526 return (0); 527 } 528 529 #ifdef COLORLS 530 static int 531 putch(int c) 532 { 533 (void)putchar(c); 534 return 0; 535 } 536 537 static int 538 writech(int c) 539 { 540 char tmp = (char)c; 541 542 (void)write(STDOUT_FILENO, &tmp, 1); 543 return 0; 544 } 545 546 static void 547 printcolor_termcap(Colors c) 548 { 549 char *ansiseq; 550 551 if (colors[c].bold) 552 tputs(enter_bold, 1, putch); 553 if (colors[c].underline) 554 tputs(enter_underline, 1, putch); 555 556 if (colors[c].num[0] != -1) { 557 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]); 558 if (ansiseq) 559 tputs(ansiseq, 1, putch); 560 } 561 if (colors[c].num[1] != -1) { 562 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]); 563 if (ansiseq) 564 tputs(ansiseq, 1, putch); 565 } 566 } 567 568 static void 569 printcolor_ansi(Colors c) 570 { 571 572 printf("\033["); 573 574 if (colors[c].bold) 575 printf("1"); 576 if (colors[c].underline) 577 printf(";4"); 578 if (colors[c].num[0] != -1) 579 printf(";3%d", colors[c].num[0]); 580 if (colors[c].num[1] != -1) 581 printf(";4%d", colors[c].num[1]); 582 printf("m"); 583 } 584 585 static void 586 printcolor(Colors c) 587 { 588 589 if (explicitansi) 590 printcolor_ansi(c); 591 else 592 printcolor_termcap(c); 593 } 594 595 static void 596 endcolor_termcap(int sig) 597 { 598 599 tputs(ansi_coloff, 1, sig ? writech : putch); 600 tputs(attrs_off, 1, sig ? writech : putch); 601 } 602 603 static void 604 endcolor_ansi(void) 605 { 606 607 printf("\33[m"); 608 } 609 610 static void 611 endcolor(int sig) 612 { 613 614 if (explicitansi) 615 endcolor_ansi(); 616 else 617 endcolor_termcap(sig); 618 } 619 620 static int 621 colortype(mode_t mode) 622 { 623 switch (mode & S_IFMT) { 624 case S_IFDIR: 625 if (mode & S_IWOTH) 626 if (mode & S_ISTXT) 627 printcolor(C_WSDIR); 628 else 629 printcolor(C_WDIR); 630 else 631 printcolor(C_DIR); 632 return (1); 633 case S_IFLNK: 634 printcolor(C_LNK); 635 return (1); 636 case S_IFSOCK: 637 printcolor(C_SOCK); 638 return (1); 639 case S_IFIFO: 640 printcolor(C_FIFO); 641 return (1); 642 case S_IFBLK: 643 printcolor(C_BLK); 644 return (1); 645 case S_IFCHR: 646 printcolor(C_CHR); 647 return (1); 648 default:; 649 } 650 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 651 if (mode & S_ISUID) 652 printcolor(C_SUID); 653 else if (mode & S_ISGID) 654 printcolor(C_SGID); 655 else 656 printcolor(C_EXEC); 657 return (1); 658 } 659 return (0); 660 } 661 662 void 663 parsecolors(const char *cs) 664 { 665 int i; 666 int j; 667 size_t len; 668 char c[2]; 669 short legacy_warn = 0; 670 671 if (cs == NULL) 672 cs = ""; /* LSCOLORS not set */ 673 len = strlen(cs); 674 for (i = 0; i < (int)C_NUMCOLORS; i++) { 675 colors[i].bold = false; 676 colors[i].underline = false; 677 678 if (len <= 2 * (size_t)i) { 679 c[0] = defcolors[2 * i]; 680 c[1] = defcolors[2 * i + 1]; 681 } else { 682 c[0] = cs[2 * i]; 683 c[1] = cs[2 * i + 1]; 684 } 685 for (j = 0; j < 2; j++) { 686 /* Legacy colours used 0-7 */ 687 if (c[j] >= '0' && c[j] <= '7') { 688 colors[i].num[j] = c[j] - '0'; 689 if (!legacy_warn) { 690 warnx("LSCOLORS should use " 691 "characters a-h instead of 0-9 (" 692 "see the manual page)"); 693 } 694 legacy_warn = 1; 695 } else if (c[j] >= 'a' && c[j] <= 'h') 696 colors[i].num[j] = c[j] - 'a'; 697 else if (c[j] >= 'A' && c[j] <= 'H') { 698 colors[i].num[j] = c[j] - 'A'; 699 if (j == 1) 700 colors[i].underline = true; 701 else 702 colors[i].bold = true; 703 } else if (tolower((unsigned char)c[j]) == 'x') { 704 if (j == 1 && c[j] == 'X') 705 colors[i].underline = true; 706 colors[i].num[j] = -1; 707 } else { 708 warnx("invalid character '%c' in LSCOLORS" 709 " env var", c[j]); 710 colors[i].num[j] = -1; 711 } 712 } 713 } 714 } 715 716 void 717 colorquit(int sig) 718 { 719 endcolor(sig); 720 721 (void)signal(sig, SIG_DFL); 722 (void)kill(getpid(), sig); 723 } 724 725 #endif /* COLORLS */ 726 727 static void 728 printlink(const FTSENT *p) 729 { 730 int lnklen; 731 char name[MAXPATHLEN + 1]; 732 char path[MAXPATHLEN + 1]; 733 734 if (p->fts_level == FTS_ROOTLEVEL) 735 (void)snprintf(name, sizeof(name), "%s", p->fts_name); 736 else 737 (void)snprintf(name, sizeof(name), 738 "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 739 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 740 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 741 return; 742 } 743 path[lnklen] = '\0'; 744 (void)printf(" -> "); 745 (void)printname(path); 746 } 747 748 static void 749 printsize(size_t width, off_t bytes) 750 { 751 752 if (f_humanval) { 753 /* 754 * Reserve one space before the size and allocate room for 755 * the trailing '\0'. 756 */ 757 char buf[HUMANVALSTR_LEN - 1 + 1]; 758 759 humanize_number(buf, sizeof(buf), (int64_t)bytes, "", 760 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); 761 (void)printf("%*s ", (u_int)width, buf); 762 } else if (f_thousands) { /* with commas */ 763 /* This format assignment needed to work round gcc bug. */ 764 const char *format = "%*j'd "; 765 (void)printf(format, (u_int)width, bytes); 766 } else 767 (void)printf("%*jd ", (u_int)width, bytes); 768 } 769 770 /* 771 * Add a + after the standard rwxrwxrwx mode if the file has an 772 * ACL. strmode() reserves space at the end of the string. 773 */ 774 static void 775 aclmode(char *buf, const FTSENT *p) 776 { 777 char name[MAXPATHLEN + 1]; 778 int ret, trivial; 779 static dev_t previous_dev = NODEV; 780 static int supports_acls = -1; 781 static int type = ACL_TYPE_ACCESS; 782 acl_t facl; 783 784 /* 785 * XXX: ACLs are not supported on whiteouts and device files 786 * residing on UFS. 787 */ 788 if (S_ISCHR(p->fts_statp->st_mode) || S_ISBLK(p->fts_statp->st_mode) || 789 S_ISWHT(p->fts_statp->st_mode)) 790 return; 791 792 if (previous_dev == p->fts_statp->st_dev && supports_acls == 0) 793 return; 794 795 if (p->fts_level == FTS_ROOTLEVEL) 796 snprintf(name, sizeof(name), "%s", p->fts_name); 797 else 798 snprintf(name, sizeof(name), "%s/%s", 799 p->fts_parent->fts_accpath, p->fts_name); 800 801 if (previous_dev != p->fts_statp->st_dev) { 802 previous_dev = p->fts_statp->st_dev; 803 supports_acls = 0; 804 805 ret = lpathconf(name, _PC_ACL_NFS4); 806 if (ret > 0) { 807 type = ACL_TYPE_NFS4; 808 supports_acls = 1; 809 } else if (ret < 0 && errno != EINVAL) { 810 warn("%s", name); 811 return; 812 } 813 if (supports_acls == 0) { 814 ret = lpathconf(name, _PC_ACL_EXTENDED); 815 if (ret > 0) { 816 type = ACL_TYPE_ACCESS; 817 supports_acls = 1; 818 } else if (ret < 0 && errno != EINVAL) { 819 warn("%s", name); 820 return; 821 } 822 } 823 } 824 if (supports_acls == 0) 825 return; 826 facl = acl_get_link_np(name, type); 827 if (facl == NULL) { 828 warn("%s", name); 829 return; 830 } 831 if (acl_is_trivial_np(facl, &trivial)) { 832 acl_free(facl); 833 warn("%s", name); 834 return; 835 } 836 if (!trivial) 837 buf[10] = '+'; 838 acl_free(facl); 839 } 840