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 __FBSDID("$FreeBSD$"); 42 43 #include <sys/param.h> 44 #include <sys/stat.h> 45 #include <sys/acl.h> 46 47 #include <err.h> 48 #include <errno.h> 49 #include <fts.h> 50 #include <langinfo.h> 51 #include <libutil.h> 52 #include <limits.h> 53 #include <stdio.h> 54 #include <stdint.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <time.h> 58 #include <unistd.h> 59 #include <wchar.h> 60 #ifdef COLORLS 61 #include <ctype.h> 62 #include <termcap.h> 63 #include <signal.h> 64 #endif 65 66 #include "ls.h" 67 #include "extern.h" 68 69 static int printaname(const FTSENT *, u_long, u_long); 70 static void printdev(size_t, dev_t); 71 static void printlink(const FTSENT *); 72 static void printtime(time_t); 73 static int printtype(u_int); 74 static void printsize(size_t, off_t); 75 #ifdef COLORLS 76 static void endcolor_termcap(int); 77 static void endcolor_ansi(void); 78 static void endcolor(int); 79 static int colortype(mode_t); 80 #endif 81 static void aclmode(char *, const FTSENT *); 82 83 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 84 85 #ifdef COLORLS 86 /* Most of these are taken from <sys/stat.h> */ 87 typedef enum Colors { 88 C_DIR, /* directory */ 89 C_LNK, /* symbolic link */ 90 C_SOCK, /* socket */ 91 C_FIFO, /* pipe */ 92 C_EXEC, /* executable */ 93 C_BLK, /* block special */ 94 C_CHR, /* character special */ 95 C_SUID, /* setuid executable */ 96 C_SGID, /* setgid executable */ 97 C_WSDIR, /* directory writeble to others, with sticky 98 * bit */ 99 C_WDIR, /* directory writeble to others, without 100 * sticky bit */ 101 C_NUMCOLORS /* just a place-holder */ 102 } Colors; 103 104 static const char *defcolors = "exfxcxdxbxegedabagacad"; 105 106 /* colors for file types */ 107 static struct { 108 int num[2]; 109 bool bold; 110 bool underline; 111 } colors[C_NUMCOLORS]; 112 #endif 113 114 static size_t padding_for_month[12]; 115 static size_t month_max_size = 0; 116 117 void 118 printscol(const DISPLAY *dp) 119 { 120 FTSENT *p; 121 122 for (p = dp->list; p; p = p->fts_link) { 123 if (IS_NOPRINT(p)) 124 continue; 125 (void)printaname(p, dp->s_inode, dp->s_block); 126 (void)putchar('\n'); 127 } 128 } 129 130 /* 131 * print name in current style 132 */ 133 int 134 printname(const char *name) 135 { 136 if (f_octal || f_octal_escape) 137 return prn_octal(name); 138 else if (f_nonprint) 139 return prn_printable(name); 140 else 141 return prn_normal(name); 142 } 143 144 static const char * 145 get_abmon(int mon) 146 { 147 148 switch (mon) { 149 case 0: return (nl_langinfo(ABMON_1)); 150 case 1: return (nl_langinfo(ABMON_2)); 151 case 2: return (nl_langinfo(ABMON_3)); 152 case 3: return (nl_langinfo(ABMON_4)); 153 case 4: return (nl_langinfo(ABMON_5)); 154 case 5: return (nl_langinfo(ABMON_6)); 155 case 6: return (nl_langinfo(ABMON_7)); 156 case 7: return (nl_langinfo(ABMON_8)); 157 case 8: return (nl_langinfo(ABMON_9)); 158 case 9: return (nl_langinfo(ABMON_10)); 159 case 10: return (nl_langinfo(ABMON_11)); 160 case 11: return (nl_langinfo(ABMON_12)); 161 } 162 163 /* should never happen */ 164 abort(); 165 } 166 167 static size_t 168 mbswidth(const char *month) 169 { 170 wchar_t wc; 171 size_t width, donelen, clen, w; 172 173 width = donelen = 0; 174 while ((clen = mbrtowc(&wc, month + donelen, MB_LEN_MAX, NULL)) != 0) { 175 if (clen == (size_t)-1 || clen == (size_t)-2) 176 return (-1); 177 donelen += clen; 178 if ((w = wcwidth(wc)) == (size_t)-1) 179 return (-1); 180 width += w; 181 } 182 183 return (width); 184 } 185 186 static void 187 compute_abbreviated_month_size(void) 188 { 189 int i; 190 size_t width; 191 size_t months_width[12]; 192 193 for (i = 0; i < 12; i++) { 194 width = mbswidth(get_abmon(i)); 195 if (width == (size_t)-1) { 196 month_max_size = -1; 197 return; 198 } 199 months_width[i] = width; 200 if (width > month_max_size) 201 month_max_size = width; 202 } 203 204 for (i = 0; i < 12; i++) 205 padding_for_month[i] = month_max_size - months_width[i]; 206 } 207 208 void 209 printlong(const DISPLAY *dp) 210 { 211 struct stat *sp; 212 FTSENT *p; 213 NAMES *np; 214 char buf[20]; 215 #ifdef COLORLS 216 int color_printed = 0; 217 #endif 218 219 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) && 220 (f_longform || f_size)) { 221 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 222 } 223 224 for (p = dp->list; p; p = p->fts_link) { 225 if (IS_NOPRINT(p)) 226 continue; 227 sp = p->fts_statp; 228 if (f_inode) 229 (void)printf("%*ju ", 230 dp->s_inode, (uintmax_t)sp->st_ino); 231 if (f_size) 232 (void)printf("%*jd ", 233 dp->s_block, howmany(sp->st_blocks, blocksize)); 234 strmode(sp->st_mode, buf); 235 aclmode(buf, p); 236 np = p->fts_pointer; 237 (void)printf("%s %*ju %-*s %-*s ", buf, dp->s_nlink, 238 (uintmax_t)sp->st_nlink, dp->s_user, np->user, dp->s_group, 239 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 size_t 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 size_t ret; 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) { 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 ret = strftime(str, len, format, tm); 457 return (ret); 458 } 459 460 static void 461 printtime(time_t ftime) 462 { 463 char longstring[80]; 464 static time_t now = 0; 465 const char *format; 466 static int d_first = -1; 467 468 if (d_first < 0) 469 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 470 if (now == 0) 471 now = time(NULL); 472 473 #define SIXMONTHS ((365 / 2) * 86400) 474 if (f_timeformat) /* user specified format */ 475 format = f_timeformat; 476 else if (f_sectime) 477 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */ 478 format = d_first ? "%e %b %T %Y" : "%b %e %T %Y"; 479 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 480 /* mmm dd hh:mm || dd mmm hh:mm */ 481 format = d_first ? "%e %b %R" : "%b %e %R"; 482 else 483 /* mmm dd yyyy || dd mmm yyyy */ 484 format = d_first ? "%e %b %Y" : "%b %e %Y"; 485 ls_strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 486 fputs(longstring, stdout); 487 fputc(' ', stdout); 488 } 489 490 static int 491 printtype(u_int mode) 492 { 493 494 if (f_slash) { 495 if ((mode & S_IFMT) == S_IFDIR) { 496 (void)putchar('/'); 497 return (1); 498 } 499 return (0); 500 } 501 502 switch (mode & S_IFMT) { 503 case S_IFDIR: 504 (void)putchar('/'); 505 return (1); 506 case S_IFIFO: 507 (void)putchar('|'); 508 return (1); 509 case S_IFLNK: 510 (void)putchar('@'); 511 return (1); 512 case S_IFSOCK: 513 (void)putchar('='); 514 return (1); 515 case S_IFWHT: 516 (void)putchar('%'); 517 return (1); 518 default: 519 break; 520 } 521 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 522 (void)putchar('*'); 523 return (1); 524 } 525 return (0); 526 } 527 528 #ifdef COLORLS 529 static int 530 putch(int c) 531 { 532 (void)putchar(c); 533 return 0; 534 } 535 536 static int 537 writech(int c) 538 { 539 char tmp = (char)c; 540 541 (void)write(STDOUT_FILENO, &tmp, 1); 542 return 0; 543 } 544 545 static void 546 printcolor_termcap(Colors c) 547 { 548 char *ansiseq; 549 550 if (colors[c].bold) 551 tputs(enter_bold, 1, putch); 552 if (colors[c].underline) 553 tputs(enter_underline, 1, putch); 554 555 if (colors[c].num[0] != -1) { 556 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]); 557 if (ansiseq) 558 tputs(ansiseq, 1, putch); 559 } 560 if (colors[c].num[1] != -1) { 561 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]); 562 if (ansiseq) 563 tputs(ansiseq, 1, putch); 564 } 565 } 566 567 static void 568 printcolor_ansi(Colors c) 569 { 570 571 printf("\033["); 572 573 if (colors[c].bold) 574 printf("1"); 575 if (colors[c].underline) 576 printf(";4"); 577 if (colors[c].num[0] != -1) 578 printf(";3%d", colors[c].num[0]); 579 if (colors[c].num[1] != -1) 580 printf(";4%d", colors[c].num[1]); 581 printf("m"); 582 } 583 584 static void 585 printcolor(Colors c) 586 { 587 588 if (explicitansi) 589 printcolor_ansi(c); 590 else 591 printcolor_termcap(c); 592 } 593 594 static void 595 endcolor_termcap(int sig) 596 { 597 598 tputs(ansi_coloff, 1, sig ? writech : putch); 599 tputs(attrs_off, 1, sig ? writech : putch); 600 } 601 602 static void 603 endcolor_ansi(void) 604 { 605 606 printf("\33[m"); 607 } 608 609 static void 610 endcolor(int sig) 611 { 612 613 if (explicitansi) 614 endcolor_ansi(); 615 else 616 endcolor_termcap(sig); 617 } 618 619 static int 620 colortype(mode_t mode) 621 { 622 switch (mode & S_IFMT) { 623 case S_IFDIR: 624 if (mode & S_IWOTH) 625 if (mode & S_ISTXT) 626 printcolor(C_WSDIR); 627 else 628 printcolor(C_WDIR); 629 else 630 printcolor(C_DIR); 631 return (1); 632 case S_IFLNK: 633 printcolor(C_LNK); 634 return (1); 635 case S_IFSOCK: 636 printcolor(C_SOCK); 637 return (1); 638 case S_IFIFO: 639 printcolor(C_FIFO); 640 return (1); 641 case S_IFBLK: 642 printcolor(C_BLK); 643 return (1); 644 case S_IFCHR: 645 printcolor(C_CHR); 646 return (1); 647 default:; 648 } 649 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 650 if (mode & S_ISUID) 651 printcolor(C_SUID); 652 else if (mode & S_ISGID) 653 printcolor(C_SGID); 654 else 655 printcolor(C_EXEC); 656 return (1); 657 } 658 return (0); 659 } 660 661 void 662 parsecolors(const char *cs) 663 { 664 int i; 665 int j; 666 size_t len; 667 char c[2]; 668 short legacy_warn = 0; 669 670 if (cs == NULL) 671 cs = ""; /* LSCOLORS not set */ 672 len = strlen(cs); 673 for (i = 0; i < (int)C_NUMCOLORS; i++) { 674 colors[i].bold = false; 675 colors[i].underline = false; 676 677 if (len <= 2 * (size_t)i) { 678 c[0] = defcolors[2 * i]; 679 c[1] = defcolors[2 * i + 1]; 680 } else { 681 c[0] = cs[2 * i]; 682 c[1] = cs[2 * i + 1]; 683 } 684 for (j = 0; j < 2; j++) { 685 /* Legacy colours used 0-7 */ 686 if (c[j] >= '0' && c[j] <= '7') { 687 colors[i].num[j] = c[j] - '0'; 688 if (!legacy_warn) { 689 warnx("LSCOLORS should use " 690 "characters a-h instead of 0-9 (" 691 "see the manual page)"); 692 } 693 legacy_warn = 1; 694 } else if (c[j] >= 'a' && c[j] <= 'h') 695 colors[i].num[j] = c[j] - 'a'; 696 else if (c[j] >= 'A' && c[j] <= 'H') { 697 colors[i].num[j] = c[j] - 'A'; 698 if (j == 1) 699 colors[i].underline = true; 700 else 701 colors[i].bold = true; 702 } else if (tolower((unsigned char)c[j]) == 'x') { 703 if (j == 1 && c[j] == 'X') 704 colors[i].underline = true; 705 colors[i].num[j] = -1; 706 } else { 707 warnx("invalid character '%c' in LSCOLORS" 708 " env var", c[j]); 709 colors[i].num[j] = -1; 710 } 711 } 712 } 713 } 714 715 void 716 colorquit(int sig) 717 { 718 endcolor(sig); 719 720 (void)signal(sig, SIG_DFL); 721 (void)kill(getpid(), sig); 722 } 723 724 #endif /* COLORLS */ 725 726 static void 727 printlink(const FTSENT *p) 728 { 729 int lnklen; 730 char name[MAXPATHLEN + 1]; 731 char path[MAXPATHLEN + 1]; 732 733 if (p->fts_level == FTS_ROOTLEVEL) 734 (void)snprintf(name, sizeof(name), "%s", p->fts_name); 735 else 736 (void)snprintf(name, sizeof(name), 737 "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 738 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 739 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 740 return; 741 } 742 path[lnklen] = '\0'; 743 (void)printf(" -> "); 744 (void)printname(path); 745 } 746 747 static void 748 printsize(size_t width, off_t bytes) 749 { 750 751 if (f_humanval) { 752 /* 753 * Reserve one space before the size and allocate room for 754 * the trailing '\0'. 755 */ 756 char buf[HUMANVALSTR_LEN - 1 + 1]; 757 758 humanize_number(buf, sizeof(buf), (int64_t)bytes, "", 759 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); 760 (void)printf("%*s ", (u_int)width, buf); 761 } else if (f_thousands) { /* with commas */ 762 /* This format assignment needed to work round gcc bug. */ 763 const char *format = "%*j'd "; 764 (void)printf(format, (u_int)width, bytes); 765 } else 766 (void)printf("%*jd ", (u_int)width, bytes); 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