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 #include <sys/param.h> 36 #include <sys/stat.h> 37 #include <sys/acl.h> 38 39 #include <err.h> 40 #include <errno.h> 41 #include <fts.h> 42 #include <langinfo.h> 43 #include <libutil.h> 44 #include <limits.h> 45 #include <stdio.h> 46 #include <stdint.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <time.h> 50 #include <unistd.h> 51 #include <wchar.h> 52 #ifdef COLORLS 53 #include <ctype.h> 54 #include <termcap.h> 55 #include <signal.h> 56 #endif 57 58 #include "ls.h" 59 #include "extern.h" 60 61 static int printaname(const FTSENT *, u_long, u_long); 62 static void printdev(size_t, dev_t); 63 static void printlink(const FTSENT *); 64 static void printtime(time_t); 65 static int printtype(u_int); 66 static void printsize(size_t, off_t); 67 #ifdef COLORLS 68 static void endcolor_termcap(int); 69 static void endcolor_ansi(void); 70 static void endcolor(int); 71 static int colortype(mode_t); 72 #endif 73 static void aclmode(char *, const FTSENT *); 74 75 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 76 77 #ifdef COLORLS 78 /* Most of these are taken from <sys/stat.h> */ 79 typedef enum Colors { 80 C_DIR, /* directory */ 81 C_LNK, /* symbolic link */ 82 C_SOCK, /* socket */ 83 C_FIFO, /* pipe */ 84 C_EXEC, /* executable */ 85 C_BLK, /* block special */ 86 C_CHR, /* character special */ 87 C_SUID, /* setuid executable */ 88 C_SGID, /* setgid executable */ 89 C_WSDIR, /* directory writeble to others, with sticky 90 * bit */ 91 C_WDIR, /* directory writeble to others, without 92 * sticky bit */ 93 C_NUMCOLORS /* just a place-holder */ 94 } Colors; 95 96 static const char *defcolors = "exfxcxdxbxegedabagacad"; 97 98 /* colors for file types */ 99 static struct { 100 int num[2]; 101 bool bold; 102 bool underline; 103 } colors[C_NUMCOLORS]; 104 #endif 105 106 static size_t padding_for_month[12]; 107 static size_t month_max_size = 0; 108 109 void 110 printscol(const DISPLAY *dp) 111 { 112 FTSENT *p; 113 114 for (p = dp->list; p; p = p->fts_link) { 115 if (IS_NOPRINT(p)) 116 continue; 117 (void)printaname(p, dp->s_inode, dp->s_block); 118 (void)putchar('\n'); 119 } 120 } 121 122 /* 123 * print name in current style 124 */ 125 int 126 printname(const char *name) 127 { 128 if (f_octal || f_octal_escape) 129 return prn_octal(name); 130 else if (f_nonprint) 131 return prn_printable(name); 132 else 133 return prn_normal(name); 134 } 135 136 static const char * 137 get_abmon(int mon) 138 { 139 140 switch (mon) { 141 case 0: return (nl_langinfo(ABMON_1)); 142 case 1: return (nl_langinfo(ABMON_2)); 143 case 2: return (nl_langinfo(ABMON_3)); 144 case 3: return (nl_langinfo(ABMON_4)); 145 case 4: return (nl_langinfo(ABMON_5)); 146 case 5: return (nl_langinfo(ABMON_6)); 147 case 6: return (nl_langinfo(ABMON_7)); 148 case 7: return (nl_langinfo(ABMON_8)); 149 case 8: return (nl_langinfo(ABMON_9)); 150 case 9: return (nl_langinfo(ABMON_10)); 151 case 10: return (nl_langinfo(ABMON_11)); 152 case 11: return (nl_langinfo(ABMON_12)); 153 } 154 155 /* should never happen */ 156 abort(); 157 } 158 159 static size_t 160 mbswidth(const char *month) 161 { 162 wchar_t wc; 163 size_t width, donelen, clen, w; 164 165 width = donelen = 0; 166 while ((clen = mbrtowc(&wc, month + donelen, MB_LEN_MAX, NULL)) != 0) { 167 if (clen == (size_t)-1 || clen == (size_t)-2) 168 return (-1); 169 donelen += clen; 170 if ((w = wcwidth(wc)) == (size_t)-1) 171 return (-1); 172 width += w; 173 } 174 175 return (width); 176 } 177 178 static void 179 compute_abbreviated_month_size(void) 180 { 181 int i; 182 size_t width; 183 size_t months_width[12]; 184 185 for (i = 0; i < 12; i++) { 186 width = mbswidth(get_abmon(i)); 187 if (width == (size_t)-1) { 188 month_max_size = -1; 189 return; 190 } 191 months_width[i] = width; 192 if (width > month_max_size) 193 month_max_size = width; 194 } 195 196 for (i = 0; i < 12; i++) 197 padding_for_month[i] = month_max_size - months_width[i]; 198 } 199 200 void 201 printlong(const DISPLAY *dp) 202 { 203 struct stat *sp; 204 FTSENT *p; 205 NAMES *np; 206 char buf[20]; 207 #ifdef COLORLS 208 int color_printed = 0; 209 #endif 210 211 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) && 212 (f_longform || f_size)) { 213 if (!f_humanval) 214 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 215 else { 216 (void)humanize_number(buf, 7 /* "1024 KB" */, 217 dp->btotal * 512, "B", HN_AUTOSCALE, HN_DECIMAL); 218 219 (void)printf("total %s\n", buf); 220 } 221 } 222 223 for (p = dp->list; p; p = p->fts_link) { 224 if (IS_NOPRINT(p)) 225 continue; 226 sp = p->fts_statp; 227 if (f_inode) 228 (void)printf("%*ju ", 229 dp->s_inode, (uintmax_t)sp->st_ino); 230 if (f_size) 231 (void)printf(f_thousands ? "%'*jd " : "%*jd ", 232 dp->s_block, howmany(sp->st_blocks, blocksize)); 233 strmode(sp->st_mode, buf); 234 aclmode(buf, p); 235 np = p->fts_pointer; 236 (void)printf("%s %*ju ", buf, dp->s_nlink, 237 (uintmax_t)sp->st_nlink); 238 if (!f_sowner) 239 (void)printf("%-*s ", dp->s_user, np->user); 240 (void)printf("%-*s ", dp->s_group, np->group); 241 if (f_flags) 242 (void)printf("%-*s ", dp->s_flags, np->flags); 243 if (f_label) 244 (void)printf("%-*s ", dp->s_label, np->label); 245 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 246 printdev(dp->s_size, sp->st_rdev); 247 else 248 printsize(dp->s_size, sp->st_size); 249 if (f_accesstime) 250 printtime(sp->st_atime); 251 else if (f_birthtime) 252 printtime(sp->st_birthtime); 253 else if (f_statustime) 254 printtime(sp->st_ctime); 255 else 256 printtime(sp->st_mtime); 257 #ifdef COLORLS 258 if (f_color) 259 color_printed = colortype(sp->st_mode); 260 #endif 261 (void)printname(p->fts_name); 262 #ifdef COLORLS 263 if (f_color && color_printed) 264 endcolor(0); 265 #endif 266 if (f_type) 267 (void)printtype(sp->st_mode); 268 if (S_ISLNK(sp->st_mode)) 269 printlink(p); 270 (void)putchar('\n'); 271 } 272 } 273 274 void 275 printstream(const DISPLAY *dp) 276 { 277 FTSENT *p; 278 int chcnt; 279 280 for (p = dp->list, chcnt = 0; p; p = p->fts_link) { 281 if (p->fts_number == NO_PRINT) 282 continue; 283 /* XXX strlen does not take octal escapes into account. */ 284 if (strlen(p->fts_name) + chcnt + 285 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) { 286 putchar('\n'); 287 chcnt = 0; 288 } 289 chcnt += printaname(p, dp->s_inode, dp->s_block); 290 if (p->fts_link) { 291 printf(", "); 292 chcnt += 2; 293 } 294 } 295 if (chcnt) 296 putchar('\n'); 297 } 298 299 void 300 printcol(const DISPLAY *dp) 301 { 302 static FTSENT **array; 303 static int lastentries = -1; 304 FTSENT *p; 305 FTSENT **narray; 306 int base; 307 int chcnt; 308 int cnt; 309 int col; 310 int colwidth; 311 int endcol; 312 int num; 313 int numcols; 314 int numrows; 315 int row; 316 int tabwidth; 317 318 if (f_notabs) 319 tabwidth = 1; 320 else 321 tabwidth = 8; 322 323 /* 324 * Have to do random access in the linked list -- build a table 325 * of pointers. 326 */ 327 if (dp->entries > lastentries) { 328 if ((narray = 329 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 330 warn(NULL); 331 printscol(dp); 332 return; 333 } 334 lastentries = dp->entries; 335 array = narray; 336 } 337 for (p = dp->list, num = 0; p; p = p->fts_link) 338 if (p->fts_number != NO_PRINT) 339 array[num++] = p; 340 341 colwidth = dp->maxlen; 342 if (f_inode) 343 colwidth += dp->s_inode + 1; 344 if (f_size) 345 colwidth += dp->s_block + 1; 346 if (f_type) 347 colwidth += 1; 348 349 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1); 350 if (termwidth < 2 * colwidth) { 351 printscol(dp); 352 return; 353 } 354 numcols = termwidth / colwidth; 355 numrows = num / numcols; 356 if (num % numcols) 357 ++numrows; 358 359 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) && 360 (f_longform || f_size)) { 361 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 362 } 363 364 base = 0; 365 for (row = 0; row < numrows; ++row) { 366 endcol = colwidth; 367 if (!f_sortacross) 368 base = row; 369 for (col = 0, chcnt = 0; col < numcols; ++col) { 370 chcnt += printaname(array[base], dp->s_inode, 371 dp->s_block); 372 if (f_sortacross) 373 base++; 374 else 375 base += numrows; 376 if (base >= num) 377 break; 378 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1))) 379 <= endcol) { 380 if (f_sortacross && col + 1 >= numcols) 381 break; 382 (void)putchar(f_notabs ? ' ' : '\t'); 383 chcnt = cnt; 384 } 385 endcol += colwidth; 386 } 387 (void)putchar('\n'); 388 } 389 } 390 391 /* 392 * print [inode] [size] name 393 * return # of characters printed, no trailing characters. 394 */ 395 static int 396 printaname(const FTSENT *p, u_long inodefield, u_long sizefield) 397 { 398 struct stat *sp; 399 int chcnt; 400 #ifdef COLORLS 401 int color_printed = 0; 402 #endif 403 404 sp = p->fts_statp; 405 chcnt = 0; 406 if (f_inode) 407 chcnt += printf("%*ju ", 408 (int)inodefield, (uintmax_t)sp->st_ino); 409 if (f_size) 410 chcnt += printf(f_thousands ? "%'*jd " : "%*jd ", 411 (int)sizefield, howmany(sp->st_blocks, blocksize)); 412 #ifdef COLORLS 413 if (f_color) 414 color_printed = colortype(sp->st_mode); 415 #endif 416 chcnt += printname(p->fts_name); 417 #ifdef COLORLS 418 if (f_color && color_printed) 419 endcolor(0); 420 #endif 421 if (f_type) 422 chcnt += printtype(sp->st_mode); 423 return (chcnt); 424 } 425 426 /* 427 * Print device special file major and minor numbers. 428 */ 429 static void 430 printdev(size_t width, dev_t dev) 431 { 432 433 (void)printf("%#*jx ", (u_int)width, (uintmax_t)dev); 434 } 435 436 static void 437 ls_strftime(char *str, size_t len, const char *fmt, const struct tm *tm) 438 { 439 char *posb, nfmt[BUFSIZ]; 440 const char *format = fmt; 441 442 if ((posb = strstr(fmt, "%b")) != NULL) { 443 if (month_max_size == 0) { 444 compute_abbreviated_month_size(); 445 } 446 if (month_max_size > 0 && tm != NULL) { 447 snprintf(nfmt, sizeof(nfmt), "%.*s%s%*s%s", 448 (int)(posb - fmt), fmt, 449 get_abmon(tm->tm_mon), 450 (int)padding_for_month[tm->tm_mon], 451 "", 452 posb + 2); 453 format = nfmt; 454 } 455 } 456 if (tm != NULL) 457 strftime(str, len, format, tm); 458 else 459 strlcpy(str, "bad date val", len); 460 } 461 462 static void 463 printtime(time_t ftime) 464 { 465 char longstring[80]; 466 static time_t now = 0; 467 const char *format; 468 static int d_first = -1; 469 470 if (d_first < 0) 471 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 472 if (now == 0) 473 now = time(NULL); 474 475 #define SIXMONTHS ((365 / 2) * 86400) 476 if (f_timeformat) /* user specified format */ 477 format = f_timeformat; 478 else if (f_sectime) 479 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */ 480 format = d_first ? "%e %b %T %Y" : "%b %e %T %Y"; 481 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 482 /* mmm dd hh:mm || dd mmm hh:mm */ 483 format = d_first ? "%e %b %R" : "%b %e %R"; 484 else 485 /* mmm dd yyyy || dd mmm yyyy */ 486 format = d_first ? "%e %b %Y" : "%b %e %Y"; 487 ls_strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 488 fputs(longstring, stdout); 489 fputc(' ', stdout); 490 } 491 492 static int 493 printtype(u_int mode) 494 { 495 496 if (f_slash) { 497 if ((mode & S_IFMT) == S_IFDIR) { 498 (void)putchar('/'); 499 return (1); 500 } 501 return (0); 502 } 503 504 switch (mode & S_IFMT) { 505 case S_IFDIR: 506 (void)putchar('/'); 507 return (1); 508 case S_IFIFO: 509 (void)putchar('|'); 510 return (1); 511 case S_IFLNK: 512 (void)putchar('@'); 513 return (1); 514 case S_IFSOCK: 515 (void)putchar('='); 516 return (1); 517 case S_IFWHT: 518 (void)putchar('%'); 519 return (1); 520 default: 521 break; 522 } 523 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 524 (void)putchar('*'); 525 return (1); 526 } 527 return (0); 528 } 529 530 #ifdef COLORLS 531 static int 532 putch(int c) 533 { 534 (void)putchar(c); 535 return 0; 536 } 537 538 static int 539 writech(int c) 540 { 541 char tmp = (char)c; 542 543 (void)write(STDOUT_FILENO, &tmp, 1); 544 return 0; 545 } 546 547 static void 548 printcolor_termcap(Colors c) 549 { 550 char *ansiseq; 551 552 if (colors[c].bold) 553 tputs(enter_bold, 1, putch); 554 if (colors[c].underline) 555 tputs(enter_underline, 1, putch); 556 557 if (colors[c].num[0] != -1) { 558 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]); 559 if (ansiseq) 560 tputs(ansiseq, 1, putch); 561 } 562 if (colors[c].num[1] != -1) { 563 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]); 564 if (ansiseq) 565 tputs(ansiseq, 1, putch); 566 } 567 } 568 569 static void 570 printcolor_ansi(Colors c) 571 { 572 573 printf("\033["); 574 575 if (colors[c].bold) 576 printf("1"); 577 if (colors[c].underline) 578 printf(";4"); 579 if (colors[c].num[0] != -1) 580 printf(";3%d", colors[c].num[0]); 581 if (colors[c].num[1] != -1) 582 printf(";4%d", colors[c].num[1]); 583 printf("m"); 584 } 585 586 static void 587 printcolor(Colors c) 588 { 589 590 if (explicitansi) 591 printcolor_ansi(c); 592 else 593 printcolor_termcap(c); 594 } 595 596 static void 597 endcolor_termcap(int sig) 598 { 599 600 tputs(ansi_coloff, 1, sig ? writech : putch); 601 tputs(attrs_off, 1, sig ? writech : putch); 602 } 603 604 static void 605 endcolor_ansi(void) 606 { 607 608 printf("\33[m"); 609 } 610 611 static void 612 endcolor(int sig) 613 { 614 615 if (explicitansi) 616 endcolor_ansi(); 617 else 618 endcolor_termcap(sig); 619 } 620 621 static int 622 colortype(mode_t mode) 623 { 624 switch (mode & S_IFMT) { 625 case S_IFDIR: 626 if (mode & S_IWOTH) 627 if (mode & S_ISTXT) 628 printcolor(C_WSDIR); 629 else 630 printcolor(C_WDIR); 631 else 632 printcolor(C_DIR); 633 return (1); 634 case S_IFLNK: 635 printcolor(C_LNK); 636 return (1); 637 case S_IFSOCK: 638 printcolor(C_SOCK); 639 return (1); 640 case S_IFIFO: 641 printcolor(C_FIFO); 642 return (1); 643 case S_IFBLK: 644 printcolor(C_BLK); 645 return (1); 646 case S_IFCHR: 647 printcolor(C_CHR); 648 return (1); 649 default:; 650 } 651 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 652 if (mode & S_ISUID) 653 printcolor(C_SUID); 654 else if (mode & S_ISGID) 655 printcolor(C_SGID); 656 else 657 printcolor(C_EXEC); 658 return (1); 659 } 660 return (0); 661 } 662 663 void 664 parsecolors(const char *cs) 665 { 666 int i; 667 int j; 668 size_t len; 669 char c[2]; 670 short legacy_warn = 0; 671 672 if (cs == NULL) 673 cs = ""; /* LSCOLORS not set */ 674 len = strlen(cs); 675 for (i = 0; i < (int)C_NUMCOLORS; i++) { 676 colors[i].bold = false; 677 colors[i].underline = false; 678 679 if (len <= 2 * (size_t)i) { 680 c[0] = defcolors[2 * i]; 681 c[1] = defcolors[2 * i + 1]; 682 } else { 683 c[0] = cs[2 * i]; 684 c[1] = cs[2 * i + 1]; 685 } 686 for (j = 0; j < 2; j++) { 687 /* Legacy colours used 0-7 */ 688 if (c[j] >= '0' && c[j] <= '7') { 689 colors[i].num[j] = c[j] - '0'; 690 if (!legacy_warn) { 691 warnx("LSCOLORS should use " 692 "characters a-h instead of 0-9 (" 693 "see the manual page)"); 694 } 695 legacy_warn = 1; 696 } else if (c[j] >= 'a' && c[j] <= 'h') 697 colors[i].num[j] = c[j] - 'a'; 698 else if (c[j] >= 'A' && c[j] <= 'H') { 699 colors[i].num[j] = c[j] - 'A'; 700 if (j == 1) 701 colors[i].underline = true; 702 else 703 colors[i].bold = true; 704 } else if (tolower((unsigned char)c[j]) == 'x') { 705 if (j == 1 && c[j] == 'X') 706 colors[i].underline = true; 707 colors[i].num[j] = -1; 708 } else { 709 warnx("invalid character '%c' in LSCOLORS" 710 " env var", c[j]); 711 colors[i].num[j] = -1; 712 } 713 } 714 } 715 } 716 717 void 718 colorquit(int sig) 719 { 720 endcolor(sig); 721 722 (void)signal(sig, SIG_DFL); 723 (void)kill(getpid(), sig); 724 } 725 726 #endif /* COLORLS */ 727 728 static void 729 printlink(const FTSENT *p) 730 { 731 int lnklen; 732 char name[MAXPATHLEN + 1]; 733 char path[MAXPATHLEN + 1]; 734 735 if (p->fts_level == FTS_ROOTLEVEL) 736 (void)snprintf(name, sizeof(name), "%s", p->fts_name); 737 else 738 (void)snprintf(name, sizeof(name), 739 "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 740 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 741 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 742 return; 743 } 744 path[lnklen] = '\0'; 745 (void)printf(" -> "); 746 (void)printname(path); 747 } 748 749 static void 750 printsize(size_t width, off_t bytes) 751 { 752 753 if (f_humanval) { 754 /* 755 * Reserve one space before the size and allocate room for 756 * the trailing '\0'. 757 */ 758 char buf[HUMANVALSTR_LEN - 1 + 1]; 759 760 humanize_number(buf, sizeof(buf), (int64_t)bytes, "", 761 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); 762 (void)printf("%*s ", (u_int)width, buf); 763 } else { 764 (void)printf(f_thousands ? "%'*jd " : "%*jd ", 765 (u_int)width, bytes); 766 } 767 } 768 769 /* 770 * Add a + after the standard rwxrwxrwx mode if the file has an 771 * ACL. strmode() reserves space at the end of the string. 772 */ 773 static void 774 aclmode(char *buf, const FTSENT *p) 775 { 776 char name[MAXPATHLEN + 1]; 777 int ret, trivial; 778 static dev_t previous_dev = NODEV; 779 static int supports_acls = -1; 780 static int type = ACL_TYPE_ACCESS; 781 acl_t facl; 782 783 /* 784 * XXX: ACLs are not supported on whiteouts and device files 785 * residing on UFS. 786 */ 787 if (S_ISCHR(p->fts_statp->st_mode) || S_ISBLK(p->fts_statp->st_mode) || 788 S_ISWHT(p->fts_statp->st_mode)) 789 return; 790 791 if (previous_dev == p->fts_statp->st_dev && supports_acls == 0) 792 return; 793 794 if (p->fts_level == FTS_ROOTLEVEL) 795 snprintf(name, sizeof(name), "%s", p->fts_name); 796 else 797 snprintf(name, sizeof(name), "%s/%s", 798 p->fts_parent->fts_accpath, p->fts_name); 799 800 if (previous_dev != p->fts_statp->st_dev) { 801 previous_dev = p->fts_statp->st_dev; 802 supports_acls = 0; 803 804 ret = lpathconf(name, _PC_ACL_NFS4); 805 if (ret > 0) { 806 type = ACL_TYPE_NFS4; 807 supports_acls = 1; 808 } else if (ret < 0 && errno != EINVAL) { 809 warn("%s", name); 810 return; 811 } 812 if (supports_acls == 0) { 813 ret = lpathconf(name, _PC_ACL_EXTENDED); 814 if (ret > 0) { 815 type = ACL_TYPE_ACCESS; 816 supports_acls = 1; 817 } else if (ret < 0 && errno != EINVAL) { 818 warn("%s", name); 819 return; 820 } 821 } 822 } 823 if (supports_acls == 0) 824 return; 825 facl = acl_get_link_np(name, type); 826 if (facl == NULL) { 827 warn("%s", name); 828 return; 829 } 830 if (acl_is_trivial_np(facl, &trivial)) { 831 acl_free(facl); 832 warn("%s", name); 833 return; 834 } 835 if (!trivial) 836 buf[10] = '+'; 837 acl_free(facl); 838 } 839