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 ", buf, dp->s_nlink, 238 (uintmax_t)sp->st_nlink); 239 if (!f_sowner) 240 (void)printf("%-*s ", dp->s_user, np->user); 241 (void)printf("%-*s ", dp->s_group, np->group); 242 if (f_flags) 243 (void)printf("%-*s ", dp->s_flags, np->flags); 244 if (f_label) 245 (void)printf("%-*s ", dp->s_label, np->label); 246 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 247 printdev(dp->s_size, sp->st_rdev); 248 else 249 printsize(dp->s_size, sp->st_size); 250 if (f_accesstime) 251 printtime(sp->st_atime); 252 else if (f_birthtime) 253 printtime(sp->st_birthtime); 254 else if (f_statustime) 255 printtime(sp->st_ctime); 256 else 257 printtime(sp->st_mtime); 258 #ifdef COLORLS 259 if (f_color) 260 color_printed = colortype(sp->st_mode); 261 #endif 262 (void)printname(p->fts_name); 263 #ifdef COLORLS 264 if (f_color && color_printed) 265 endcolor(0); 266 #endif 267 if (f_type) 268 (void)printtype(sp->st_mode); 269 if (S_ISLNK(sp->st_mode)) 270 printlink(p); 271 (void)putchar('\n'); 272 } 273 } 274 275 void 276 printstream(const DISPLAY *dp) 277 { 278 FTSENT *p; 279 int chcnt; 280 281 for (p = dp->list, chcnt = 0; p; p = p->fts_link) { 282 if (p->fts_number == NO_PRINT) 283 continue; 284 /* XXX strlen does not take octal escapes into account. */ 285 if (strlen(p->fts_name) + chcnt + 286 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) { 287 putchar('\n'); 288 chcnt = 0; 289 } 290 chcnt += printaname(p, dp->s_inode, dp->s_block); 291 if (p->fts_link) { 292 printf(", "); 293 chcnt += 2; 294 } 295 } 296 if (chcnt) 297 putchar('\n'); 298 } 299 300 void 301 printcol(const DISPLAY *dp) 302 { 303 static FTSENT **array; 304 static int lastentries = -1; 305 FTSENT *p; 306 FTSENT **narray; 307 int base; 308 int chcnt; 309 int cnt; 310 int col; 311 int colwidth; 312 int endcol; 313 int num; 314 int numcols; 315 int numrows; 316 int row; 317 int tabwidth; 318 319 if (f_notabs) 320 tabwidth = 1; 321 else 322 tabwidth = 8; 323 324 /* 325 * Have to do random access in the linked list -- build a table 326 * of pointers. 327 */ 328 if (dp->entries > lastentries) { 329 if ((narray = 330 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 331 warn(NULL); 332 printscol(dp); 333 return; 334 } 335 lastentries = dp->entries; 336 array = narray; 337 } 338 for (p = dp->list, num = 0; p; p = p->fts_link) 339 if (p->fts_number != NO_PRINT) 340 array[num++] = p; 341 342 colwidth = dp->maxlen; 343 if (f_inode) 344 colwidth += dp->s_inode + 1; 345 if (f_size) 346 colwidth += dp->s_block + 1; 347 if (f_type) 348 colwidth += 1; 349 350 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1); 351 if (termwidth < 2 * colwidth) { 352 printscol(dp); 353 return; 354 } 355 numcols = termwidth / colwidth; 356 numrows = num / numcols; 357 if (num % numcols) 358 ++numrows; 359 360 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) && 361 (f_longform || f_size)) { 362 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 363 } 364 365 base = 0; 366 for (row = 0; row < numrows; ++row) { 367 endcol = colwidth; 368 if (!f_sortacross) 369 base = row; 370 for (col = 0, chcnt = 0; col < numcols; ++col) { 371 chcnt += printaname(array[base], dp->s_inode, 372 dp->s_block); 373 if (f_sortacross) 374 base++; 375 else 376 base += numrows; 377 if (base >= num) 378 break; 379 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1))) 380 <= endcol) { 381 if (f_sortacross && col + 1 >= numcols) 382 break; 383 (void)putchar(f_notabs ? ' ' : '\t'); 384 chcnt = cnt; 385 } 386 endcol += colwidth; 387 } 388 (void)putchar('\n'); 389 } 390 } 391 392 /* 393 * print [inode] [size] name 394 * return # of characters printed, no trailing characters. 395 */ 396 static int 397 printaname(const FTSENT *p, u_long inodefield, u_long sizefield) 398 { 399 struct stat *sp; 400 int chcnt; 401 #ifdef COLORLS 402 int color_printed = 0; 403 #endif 404 405 sp = p->fts_statp; 406 chcnt = 0; 407 if (f_inode) 408 chcnt += printf("%*ju ", 409 (int)inodefield, (uintmax_t)sp->st_ino); 410 if (f_size) 411 chcnt += printf("%*jd ", 412 (int)sizefield, howmany(sp->st_blocks, blocksize)); 413 #ifdef COLORLS 414 if (f_color) 415 color_printed = colortype(sp->st_mode); 416 #endif 417 chcnt += printname(p->fts_name); 418 #ifdef COLORLS 419 if (f_color && color_printed) 420 endcolor(0); 421 #endif 422 if (f_type) 423 chcnt += printtype(sp->st_mode); 424 return (chcnt); 425 } 426 427 /* 428 * Print device special file major and minor numbers. 429 */ 430 static void 431 printdev(size_t width, dev_t dev) 432 { 433 434 (void)printf("%#*jx ", (u_int)width, (uintmax_t)dev); 435 } 436 437 static void 438 ls_strftime(char *str, size_t len, const char *fmt, const struct tm *tm) 439 { 440 char *posb, nfmt[BUFSIZ]; 441 const char *format = fmt; 442 443 if ((posb = strstr(fmt, "%b")) != NULL) { 444 if (month_max_size == 0) { 445 compute_abbreviated_month_size(); 446 } 447 if (month_max_size > 0 && tm != NULL) { 448 snprintf(nfmt, sizeof(nfmt), "%.*s%s%*s%s", 449 (int)(posb - fmt), fmt, 450 get_abmon(tm->tm_mon), 451 (int)padding_for_month[tm->tm_mon], 452 "", 453 posb + 2); 454 format = nfmt; 455 } 456 } 457 if (tm != NULL) 458 strftime(str, len, format, tm); 459 else 460 strlcpy(str, "bad date val", len); 461 } 462 463 static void 464 printtime(time_t ftime) 465 { 466 char longstring[80]; 467 static time_t now = 0; 468 const char *format; 469 static int d_first = -1; 470 471 if (d_first < 0) 472 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 473 if (now == 0) 474 now = time(NULL); 475 476 #define SIXMONTHS ((365 / 2) * 86400) 477 if (f_timeformat) /* user specified format */ 478 format = f_timeformat; 479 else if (f_sectime) 480 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */ 481 format = d_first ? "%e %b %T %Y" : "%b %e %T %Y"; 482 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 483 /* mmm dd hh:mm || dd mmm hh:mm */ 484 format = d_first ? "%e %b %R" : "%b %e %R"; 485 else 486 /* mmm dd yyyy || dd mmm yyyy */ 487 format = d_first ? "%e %b %Y" : "%b %e %Y"; 488 ls_strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 489 fputs(longstring, stdout); 490 fputc(' ', stdout); 491 } 492 493 static int 494 printtype(u_int mode) 495 { 496 497 if (f_slash) { 498 if ((mode & S_IFMT) == S_IFDIR) { 499 (void)putchar('/'); 500 return (1); 501 } 502 return (0); 503 } 504 505 switch (mode & S_IFMT) { 506 case S_IFDIR: 507 (void)putchar('/'); 508 return (1); 509 case S_IFIFO: 510 (void)putchar('|'); 511 return (1); 512 case S_IFLNK: 513 (void)putchar('@'); 514 return (1); 515 case S_IFSOCK: 516 (void)putchar('='); 517 return (1); 518 case S_IFWHT: 519 (void)putchar('%'); 520 return (1); 521 default: 522 break; 523 } 524 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 525 (void)putchar('*'); 526 return (1); 527 } 528 return (0); 529 } 530 531 #ifdef COLORLS 532 static int 533 putch(int c) 534 { 535 (void)putchar(c); 536 return 0; 537 } 538 539 static int 540 writech(int c) 541 { 542 char tmp = (char)c; 543 544 (void)write(STDOUT_FILENO, &tmp, 1); 545 return 0; 546 } 547 548 static void 549 printcolor_termcap(Colors c) 550 { 551 char *ansiseq; 552 553 if (colors[c].bold) 554 tputs(enter_bold, 1, putch); 555 if (colors[c].underline) 556 tputs(enter_underline, 1, putch); 557 558 if (colors[c].num[0] != -1) { 559 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]); 560 if (ansiseq) 561 tputs(ansiseq, 1, putch); 562 } 563 if (colors[c].num[1] != -1) { 564 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]); 565 if (ansiseq) 566 tputs(ansiseq, 1, putch); 567 } 568 } 569 570 static void 571 printcolor_ansi(Colors c) 572 { 573 574 printf("\033["); 575 576 if (colors[c].bold) 577 printf("1"); 578 if (colors[c].underline) 579 printf(";4"); 580 if (colors[c].num[0] != -1) 581 printf(";3%d", colors[c].num[0]); 582 if (colors[c].num[1] != -1) 583 printf(";4%d", colors[c].num[1]); 584 printf("m"); 585 } 586 587 static void 588 printcolor(Colors c) 589 { 590 591 if (explicitansi) 592 printcolor_ansi(c); 593 else 594 printcolor_termcap(c); 595 } 596 597 static void 598 endcolor_termcap(int sig) 599 { 600 601 tputs(ansi_coloff, 1, sig ? writech : putch); 602 tputs(attrs_off, 1, sig ? writech : putch); 603 } 604 605 static void 606 endcolor_ansi(void) 607 { 608 609 printf("\33[m"); 610 } 611 612 static void 613 endcolor(int sig) 614 { 615 616 if (explicitansi) 617 endcolor_ansi(); 618 else 619 endcolor_termcap(sig); 620 } 621 622 static int 623 colortype(mode_t mode) 624 { 625 switch (mode & S_IFMT) { 626 case S_IFDIR: 627 if (mode & S_IWOTH) 628 if (mode & S_ISTXT) 629 printcolor(C_WSDIR); 630 else 631 printcolor(C_WDIR); 632 else 633 printcolor(C_DIR); 634 return (1); 635 case S_IFLNK: 636 printcolor(C_LNK); 637 return (1); 638 case S_IFSOCK: 639 printcolor(C_SOCK); 640 return (1); 641 case S_IFIFO: 642 printcolor(C_FIFO); 643 return (1); 644 case S_IFBLK: 645 printcolor(C_BLK); 646 return (1); 647 case S_IFCHR: 648 printcolor(C_CHR); 649 return (1); 650 default:; 651 } 652 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 653 if (mode & S_ISUID) 654 printcolor(C_SUID); 655 else if (mode & S_ISGID) 656 printcolor(C_SGID); 657 else 658 printcolor(C_EXEC); 659 return (1); 660 } 661 return (0); 662 } 663 664 void 665 parsecolors(const char *cs) 666 { 667 int i; 668 int j; 669 size_t len; 670 char c[2]; 671 short legacy_warn = 0; 672 673 if (cs == NULL) 674 cs = ""; /* LSCOLORS not set */ 675 len = strlen(cs); 676 for (i = 0; i < (int)C_NUMCOLORS; i++) { 677 colors[i].bold = false; 678 colors[i].underline = false; 679 680 if (len <= 2 * (size_t)i) { 681 c[0] = defcolors[2 * i]; 682 c[1] = defcolors[2 * i + 1]; 683 } else { 684 c[0] = cs[2 * i]; 685 c[1] = cs[2 * i + 1]; 686 } 687 for (j = 0; j < 2; j++) { 688 /* Legacy colours used 0-7 */ 689 if (c[j] >= '0' && c[j] <= '7') { 690 colors[i].num[j] = c[j] - '0'; 691 if (!legacy_warn) { 692 warnx("LSCOLORS should use " 693 "characters a-h instead of 0-9 (" 694 "see the manual page)"); 695 } 696 legacy_warn = 1; 697 } else if (c[j] >= 'a' && c[j] <= 'h') 698 colors[i].num[j] = c[j] - 'a'; 699 else if (c[j] >= 'A' && c[j] <= 'H') { 700 colors[i].num[j] = c[j] - 'A'; 701 if (j == 1) 702 colors[i].underline = true; 703 else 704 colors[i].bold = true; 705 } else if (tolower((unsigned char)c[j]) == 'x') { 706 if (j == 1 && c[j] == 'X') 707 colors[i].underline = true; 708 colors[i].num[j] = -1; 709 } else { 710 warnx("invalid character '%c' in LSCOLORS" 711 " env var", c[j]); 712 colors[i].num[j] = -1; 713 } 714 } 715 } 716 } 717 718 void 719 colorquit(int sig) 720 { 721 endcolor(sig); 722 723 (void)signal(sig, SIG_DFL); 724 (void)kill(getpid(), sig); 725 } 726 727 #endif /* COLORLS */ 728 729 static void 730 printlink(const FTSENT *p) 731 { 732 int lnklen; 733 char name[MAXPATHLEN + 1]; 734 char path[MAXPATHLEN + 1]; 735 736 if (p->fts_level == FTS_ROOTLEVEL) 737 (void)snprintf(name, sizeof(name), "%s", p->fts_name); 738 else 739 (void)snprintf(name, sizeof(name), 740 "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 741 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 742 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 743 return; 744 } 745 path[lnklen] = '\0'; 746 (void)printf(" -> "); 747 (void)printname(path); 748 } 749 750 static void 751 printsize(size_t width, off_t bytes) 752 { 753 754 if (f_humanval) { 755 /* 756 * Reserve one space before the size and allocate room for 757 * the trailing '\0'. 758 */ 759 char buf[HUMANVALSTR_LEN - 1 + 1]; 760 761 humanize_number(buf, sizeof(buf), (int64_t)bytes, "", 762 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); 763 (void)printf("%*s ", (u_int)width, buf); 764 } else if (f_thousands) { /* with commas */ 765 /* This format assignment needed to work round gcc bug. */ 766 const char *format = "%*j'd "; 767 (void)printf(format, (u_int)width, bytes); 768 } else 769 (void)printf("%*jd ", (u_int)width, bytes); 770 } 771 772 /* 773 * Add a + after the standard rwxrwxrwx mode if the file has an 774 * ACL. strmode() reserves space at the end of the string. 775 */ 776 static void 777 aclmode(char *buf, const FTSENT *p) 778 { 779 char name[MAXPATHLEN + 1]; 780 int ret, trivial; 781 static dev_t previous_dev = NODEV; 782 static int supports_acls = -1; 783 static int type = ACL_TYPE_ACCESS; 784 acl_t facl; 785 786 /* 787 * XXX: ACLs are not supported on whiteouts and device files 788 * residing on UFS. 789 */ 790 if (S_ISCHR(p->fts_statp->st_mode) || S_ISBLK(p->fts_statp->st_mode) || 791 S_ISWHT(p->fts_statp->st_mode)) 792 return; 793 794 if (previous_dev == p->fts_statp->st_dev && supports_acls == 0) 795 return; 796 797 if (p->fts_level == FTS_ROOTLEVEL) 798 snprintf(name, sizeof(name), "%s", p->fts_name); 799 else 800 snprintf(name, sizeof(name), "%s/%s", 801 p->fts_parent->fts_accpath, p->fts_name); 802 803 if (previous_dev != p->fts_statp->st_dev) { 804 previous_dev = p->fts_statp->st_dev; 805 supports_acls = 0; 806 807 ret = lpathconf(name, _PC_ACL_NFS4); 808 if (ret > 0) { 809 type = ACL_TYPE_NFS4; 810 supports_acls = 1; 811 } else if (ret < 0 && errno != EINVAL) { 812 warn("%s", name); 813 return; 814 } 815 if (supports_acls == 0) { 816 ret = lpathconf(name, _PC_ACL_EXTENDED); 817 if (ret > 0) { 818 type = ACL_TYPE_ACCESS; 819 supports_acls = 1; 820 } else if (ret < 0 && errno != EINVAL) { 821 warn("%s", name); 822 return; 823 } 824 } 825 } 826 if (supports_acls == 0) 827 return; 828 facl = acl_get_link_np(name, type); 829 if (facl == NULL) { 830 warn("%s", name); 831 return; 832 } 833 if (acl_is_trivial_np(facl, &trivial)) { 834 acl_free(facl); 835 warn("%s", name); 836 return; 837 } 838 if (!trivial) 839 buf[10] = '+'; 840 acl_free(facl); 841 } 842