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Merge remote-tracking branch 'origin/master'
[unleashed/lotheac.git] / usr / src / cmd / ls / ls.c
blob4ad6fed94f412b474714e882ca8550d969976424
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
25 * Copyright 2015 Gary Mills
26 */
27
28 /*
29 * Copyright 2017 Jason King. All rights reserved.
30 * Use is subject to license terms.
31 */
32
33 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
34 /* All Rights Reserved */
35
36 /* Copyright (c) 1987, 1988 Microsoft Corporation */
37 /* All Rights Reserved */
38
39 /*
40 * List files or directories
41 */
42
43 #include <sys/param.h>
44 #include <sys/types.h>
45 #include <sys/mkdev.h>
46 #include <sys/stat.h>
47 #include <sys/acl.h>
48
49 #include <wchar.h>
50 #include <stdio.h>
51 #include <ctype.h>
52 #include <dirent.h>
53 #include <string.h>
54 #include <locale.h>
55 #include <curses.h>
56 #include <term.h>
57 #include <termios.h>
58 #include <stdlib.h>
59 #include <widec.h>
60 #include <locale.h>
61 #include <wctype.h>
62 #include <pwd.h>
63 #include <grp.h>
64 #include <limits.h>
65 #include <fcntl.h>
66 #include <unistd.h>
67 #include <libgen.h>
68 #include <errno.h>
69 #include <aclutils.h>
70 #include <libnvpair.h>
71 #include <libcmdutils.h>
72 #include <attr.h>
73 #include <getopt.h>
74 #include <inttypes.h>
75
76 #ifndef STANDALONE
77 #define TERMINFO
78 #endif
79
80 /*
81 * -DNOTERMINFO can be defined on the cc command line to prevent
82 * the use of terminfo. This should be done on systems not having
83 * the terminfo feature(pre 6.0 systems ?).
84 * As a result, columnar listings assume 80 columns for output,
85 * unless told otherwise via the COLUMNS environment variable.
86 */
87 #ifdef NOTERMINFO
88 #undef TERMINFO
89 #endif
90
91 #define BFSIZE 16
92 /* this bit equals 1 in lflags of structure lbuf if *namep is to be used */
93 #define ISARG 0100000
94
95 /*
96 * this flag has been added to manipulate the display of S instead of 'l' when
97 * the file is not a regular file and when group execution bit is off
98 */
99 #define LS_NOTREG 010000
100
101
102 /*
103 * Date and time formats
104 *
105 * b --- abbreviated month name
106 * e --- day number
107 * Y --- year in the form ccyy
108 * H --- hour(24-hour version)
109 * M --- minute
110 * F --- yyyy-mm-dd
111 * T --- hh:mm:ss
112 * z --- time zone as hours displacement from UTC
113 * note that %F and %z are from the ISO C99 standard and are
114 * not present in older C libraries
115 */
116 #define FORMAT_OLD " %b %e %Y "
117 #define FORMAT_NEW " %b %e %H:%M "
118 #define FORMAT_LONG " %b %e %T %Y "
119 #define FORMAT_ISO_FULL " %%F %%T.%.09ld %%z "
120 #define FORMAT_ISO_LONG " %F %R "
121 #define FORMAT_ISO_NEW " %m-%d %H:%M "
122 #define FORMAT_ISO_OLD " %F "
123
124 #undef BUFSIZ
125 #define BUFSIZ 4096
126 #define FMTSIZE 50
127
128 struct ditem {
129 dev_t dev; /* directory items device number */
130 ino_t ino; /* directory items inode number */
131 struct ditem *parent; /* dir items ptr to its parent's info */
132 };
133 /* Holds boolean extended system attributes */
134 struct attrb {
135 char *name;
136 };
137 /* Holds timestamp extended system attributes */
138 struct attrtm {
139 char *name;
140 uint64_t stm;
141 uint64_t nstm;
142 };
143
144 #define LSA_NONE (0)
145 #define LSA_BOLD (1L << 0)
146 #define LSA_UNDERSCORE (1L << 1)
147 #define LSA_BLINK (1L << 2)
148 #define LSA_REVERSE (1L << 3)
149 #define LSA_CONCEALED (1L << 4)
150
151 /* these should be ordered most general to most specific */
152 typedef enum LS_CFTYPE {
153 LS_NORMAL,
154 LS_FILE,
155 LS_EXEC,
156 LS_DIR,
157 LS_LINK,
158 LS_FIFO,
159 LS_SOCK,
160 LS_DOOR,
161 LS_BLK,
162 LS_CHR,
163 LS_PORT,
164 LS_STICKY,
165 LS_ORPHAN,
166 LS_SETGID,
167 LS_SETUID,
168 LS_OTHER_WRITABLE,
169 LS_STICKY_OTHER_WRITABLE,
170 LS_PAT
171 } ls_cftype_t;
172
173 typedef struct {
174 char *sfx;
175 ls_cftype_t ftype;
176 int attr;
177 int fg;
178 int bg;
179 } ls_color_t;
180
181 struct lbuf {
182 union {
183 char lname[MAXNAMLEN]; /* used for filename in a directory */
184 char *namep; /* for name in ls-command; */
185 } ln;
186 char ltype; /* filetype */
187 ino_t lnum; /* inode number of file */
188 mode_t lflags; /* 0777 bits used as r,w,x permissions */
189 nlink_t lnl; /* number of links to file */
190 uid_t luid;
191 gid_t lgid;
192 off_t lsize; /* filesize or major/minor dev numbers */
193 blkcnt_t lblocks; /* number of file blocks */
194 timestruc_t lmtime;
195 timestruc_t lat;
196 timestruc_t lct;
197 timestruc_t lmt;
198 char *flinkto; /* symbolic link contents */
199 char acl; /* indicate there are additional acl entries */
200 int cycle; /* cycle detected flag */
201 struct ditem *ancinfo; /* maintains ancestor info */
202 acl_t *aclp; /* ACL if present */
203 struct attrb *exttr; /* boolean extended system attributes */
204 struct attrtm *extm; /* timestamp extended system attributes */
205 ls_color_t *color; /* color for entry */
206 ls_color_t *link_color; /* color for symlink */
207 };
208
209 struct dchain {
210 char *dc_name; /* path name */
211 int cycle_detected; /* cycle detected visiting this directory */
212 struct ditem *myancinfo; /* this directory's ancestry info */
213 struct dchain *dc_next; /* next directory in the chain */
214 };
215
216 static struct dchain *dfirst; /* start of the dir chain */
217 static struct dchain *cdfirst; /* start of the current dir chain */
218 static struct dchain *dtemp; /* temporary - used for linking */
219 static char *curdir; /* the current directory */
220
221 static int first = 1; /* true if first line is not yet printed */
222 static int nfiles = 0; /* number of flist entries in current use */
223 static int nargs = 0; /* number of flist entries used for arguments */
224 static int maxfils = 0; /* number of flist/lbuf entries allocated */
225 static int maxn = 0; /* number of flist entries with lbufs asigned */
226 static int quantn = 64; /* allocation growth quantum */
227
228 static struct lbuf *nxtlbf; /* ptr to next lbuf to be assigned */
229 static struct lbuf **flist; /* ptr to list of lbuf pointers */
230 static struct lbuf *gstat(char *, int, struct ditem *);
231 static char *getname(uid_t);
232 static char *getgroup(gid_t);
233 static char *makename(char *, char *);
234 static void pentry(struct lbuf *);
235 static void column(void);
236 static void pmode(mode_t aflag);
237 static void selection(int *);
238 static void new_line(void);
239 static void rddir(char *, struct ditem *);
240 static int strcol(unsigned char *);
241 static void pem(struct lbuf **, struct lbuf **, int);
242 static void pdirectory(char *, int, int, int, struct ditem *);
243 static struct cachenode *findincache(struct cachenode **, long);
244 static void csi_pprintf(unsigned char *);
245 static void pprintf(char *, char *);
246 static int compar(struct lbuf **pp1, struct lbuf **pp2);
247 static void record_ancestry(char *, struct stat *, struct lbuf *,
248 int, struct ditem *);
249 static void ls_color_init(void);
250 static ls_color_t *ls_color_find(const char *, mode_t);
251 static void ls_start_color(ls_color_t *);
252 static void ls_end_color(void);
253
254 static int aflg;
255 static int atflg;
256 static int bflg;
257 static int cflg;
258 static int dflg;
259 static int eflg;
260 static int fflg;
261 static int gflg;
262 static int hflg;
263 static int iflg;
264 static int lflg;
265 static int mflg;
266 static int nflg;
267 static int oflg;
268 static int pflg;
269 static int qflg;
270 static int rflg = 1; /* init to 1 for special use in compar */
271 static int sflg;
272 static int tflg;
273 static int uflg;
274 static int Uflg;
275 static int wflg;
276 static int xflg;
277 static int Aflg;
278 static int Bflg;
279 static int Cflg;
280 static int Eflg;
281 static int Fflg;
282 static int Hflg;
283 static int Lflg;
284 static int Rflg;
285 static int Sflg;
286 static int vflg;
287 static int Vflg;
288 static int saflg; /* boolean extended system attr. */
289 static int sacnt; /* number of extended system attr. */
290 static int copt;
291 static int vopt;
292 static int tmflg; /* create time ext. system attr. */
293 static int ctm;
294 static int atm;
295 static int mtm;
296 static int crtm;
297 static int alltm;
298 static uint_t nicenum_flags;
299 static mode_t flags;
300 static int err = 0; /* Contains return code */
301 static int colorflg;
302 static int file_typeflg;
303 static int noflist = 0;
304
305 static uid_t lastuid = (uid_t)-1;
306 static gid_t lastgid = (gid_t)-1;
307 static char *lastuname = NULL;
308 static char *lastgname = NULL;
309
310 /* statreq > 0 if any of sflg, (n)lflg, tflg, Sflg, colorflg are on */
311 static int statreq;
312
313 static uint64_t block_size = 1;
314 static char *dotp = ".";
315
316 static u_longlong_t tblocks; /* number of blocks of files in a directory */
317 static time_t year, now;
318
319 static int num_cols = 80;
320 static int colwidth;
321 static int filewidth;
322 static int fixedwidth;
323 static int nomocore;
324 static int curcol;
325
326 static struct winsize win;
327
328 /* if time_fmt_new is left NULL, time_fmt_old is used for all times */
329 static const char *time_fmt_old = FORMAT_OLD; /* non-recent files */
330 static const char *time_fmt_new = FORMAT_NEW; /* recent files */
331 static int time_custom; /* != 0 if a custom format */
332 static char time_buf[FMTSIZE]; /* array to hold day and time */
333
334 static int lsc_debug;
335 static ls_color_t *lsc_match;
336 static ls_color_t *lsc_colors;
337 static size_t lsc_ncolors;
338 static char *lsc_bold;
339 static char *lsc_underline;
340 static char *lsc_blink;
341 static char *lsc_reverse;
342 static char *lsc_concealed;
343 static char *lsc_none;
344 static char *lsc_setfg;
345 static char *lsc_setbg;
346 static ls_color_t *lsc_orphan;
347
348 #define NOTWORKINGDIR(d, l) (((l) < 2) || \
349 (strcmp((d) + (l) - 2, "/.") != 0))
350
351 #define NOTPARENTDIR(d, l) (((l) < 3) || \
352 (strcmp((d) + (l) - 3, "/..") != 0))
353 /* Extended system attributes support */
354 static int get_sysxattr(char *, struct lbuf *);
355 static void set_sysattrb_display(char *, boolean_t, struct lbuf *);
356 static void set_sysattrtm_display(char *, struct lbuf *);
357 static void format_time(time_t, time_t);
358 static void print_time(struct lbuf *);
359 static void format_attrtime(struct lbuf *);
360 static void *xmalloc(size_t, struct lbuf *);
361 static void free_sysattr(struct lbuf *);
362 static nvpair_t *pair;
363 static nvlist_t *response;
364 static int acl_err;
365
366 const struct option long_options[] = {
367 { "all", no_argument, NULL, 'a' },
368 { "almost-all", no_argument, NULL, 'A' },
369 { "escape", no_argument, NULL, 'b' },
370 { "classify", no_argument, NULL, 'F' },
371 { "human-readable", no_argument, NULL, 'h' },
372 { "dereference", no_argument, NULL, 'L' },
373 { "dereference-command-line", no_argument, NULL, 'H' },
374 { "ignore-backups", no_argument, NULL, 'B' },
375 { "inode", no_argument, NULL, 'i' },
376 { "numeric-uid-gid", no_argument, NULL, 'n' },
377 { "no-group", no_argument, NULL, 'o' },
378 { "hide-control-chars", no_argument, NULL, 'q' },
379 { "reverse", no_argument, NULL, 'r' },
380 { "recursive", no_argument, NULL, 'R' },
381 { "size", no_argument, NULL, 's' },
382 { "width", required_argument, NULL, 'w' },
383
384 /* no short options for these */
385 { "block-size", required_argument, NULL, 0 },
386 { "full-time", no_argument, NULL, 0 },
387 { "si", no_argument, NULL, 0 },
388 { "color", optional_argument, NULL, 0 },
389 { "colour", optional_argument, NULL, 0},
390 { "file-type", no_argument, NULL, 0 },
391 { "time-style", required_argument, NULL, 0 },
392
393 {0, 0, 0, 0}
394 };
395
396 int
397 main(int argc, char *argv[])
398 {
399 int c;
400 int i;
401 int width;
402 int amino = 0;
403 int opterr = 0;
404 int option_index = 0;
405 struct lbuf *ep;
406 struct lbuf lb;
407 struct ditem *myinfo = NULL;
408
409 (void) setlocale(LC_ALL, "");
410 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
411 #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
412 #endif
413 (void) textdomain(TEXT_DOMAIN);
414 #ifdef STANDALONE
415 if (argv[0][0] == '\0')
416 argc = getargv("ls", &argv, 0);
417 #endif
418
419 lb.lmtime.tv_sec = time(NULL);
420 lb.lmtime.tv_nsec = 0;
421 year = lb.lmtime.tv_sec - 6L*30L*24L*60L*60L; /* 6 months ago */
422 now = lb.lmtime.tv_sec + 60;
423 if (isatty(1)) {
424 Cflg = 1;
425 mflg = 0;
426 }
427
428 while ((c = getopt_long(argc, argv,
429 "aAbBcCdeEfFghHiklLmnopqrRsStuUw:x1@vV/:%:", long_options,
430 &option_index)) != -1)
431 switch (c) {
432 case 0:
433 /* non-short options */
434 if (strcmp(long_options[option_index].name,
435 "color") == 0 ||
436 strcmp(long_options[option_index].name,
437 "colour") == 0) {
438 if (optarg == NULL ||
439 strcmp(optarg, "always") == 0 ||
440 strcmp(optarg, "yes") == 0 ||
441 strcmp(optarg, "force") == 0) {
442 colorflg++;
443 statreq++;
444 continue;
445 }
446
447 if (strcmp(optarg, "auto") == 0 ||
448 strcmp(optarg, "tty") == 0 ||
449 strcmp(optarg, "if-tty") == 0) {
450 if (isatty(1) == 1) {
451 colorflg++;
452 statreq++;
453 }
454 continue;
455 }
456
457 if (strcmp(optarg, "never") == 0 ||
458 strcmp(optarg, "no") == 0 ||
459 strcmp(optarg, "none") == 0) {
460 colorflg = 0;
461 continue;
462 }
463 (void) fprintf(stderr,
464 gettext("Invalid argument '%s' for "
465 "--color\n"), optarg);
466 ++opterr;
467 continue;
468 }
469
470 if (strcmp(long_options[option_index].name,
471 "si") == 0) {
472 hflg++;
473 nicenum_flags |= NN_DIVISOR_1000;
474 continue;
475 }
476
477 if (strcmp(long_options[option_index].name,
478 "block-size") == 0) {
479 size_t scale_len = strlen(optarg);
480 uint64_t scale = 1;
481 uint64_t kilo = 1024;
482 char scale_c;
483
484 if (scale_len == 0) {
485 (void) fprintf(stderr, gettext(
486 "Invalid block size \'%s\'\n"),
487 optarg);
488 exit(1);
489 }
490
491 scale_c = optarg[scale_len - 1];
492 if (scale_c == 'B') {
493 /* need at least digit, scale, B */
494 if (scale_len < 3) {
495 (void) fprintf(stderr, gettext(
496 "Invalid block size "
497 "\'%s\'\n"), optarg);
498 exit(1);
499 }
500 kilo = 1000;
501 scale_c = optarg[scale_len - 2];
502 if (isdigit(scale_c)) {
503 (void) fprintf(stderr,
504 gettext("Invalid block size"
505 " \'%s\'\n"), optarg);
506 exit(1);
507 }
508 /*
509 * make optarg[scale_len - 1] point to
510 * the scale factor
511 */
512 --scale_len;
513 }
514
515 switch (scale_c) {
516 case 'y':
517 case 'Y':
518 scale *= kilo;
519 /*FALLTHROUGH*/
520 case 'Z':
521 case 'z':
522 scale *= kilo;
523 /*FALLTHROUGH*/
524 case 'E':
525 case 'e':
526 scale *= kilo;
527 /*FALLTHROUGH*/
528 case 'P':
529 case 'p':
530 scale *= kilo;
531 /*FALLTHROUGH*/
532 case 'T':
533 case 't':
534 scale *= kilo;
535 /*FALLTHROUGH*/
536 case 'G':
537 case 'g':
538 scale *= kilo;
539 /*FALLTHROUGH*/
540 case 'M':
541 case 'm':
542 scale *= kilo;
543 /*FALLTHROUGH*/
544 case 'K':
545 case 'k':
546 scale *= kilo;
547 break;
548 default:
549 if (!isdigit(scale_c)) {
550 (void) fprintf(stderr,
551 gettext("Invalid character "
552 "following block size in "
553 "\'%s\'\n"), optarg);
554 exit(1);
555 }
556 }
557
558 /* NULL out scale constant if present */
559 if (scale > 1 && !isdigit(scale_c))
560 optarg[scale_len - 1] = '\0';
561
562 /* Based on testing, this is what GNU ls does */
563 block_size = strtoll(optarg, NULL, 0) * scale;
564 if (block_size < 1) {
565 (void) fprintf(stderr,
566 gettext("Invalid block size "
567 "\'%s\'\n"), optarg);
568 exit(1);
569 }
570 continue;
571 }
572
573 if (strcmp(long_options[option_index].name,
574 "file-type") == 0) {
575 file_typeflg++;
576 Fflg++;
577 statreq++;
578 continue;
579 }
580
581
582 if (strcmp(long_options[option_index].name,
583 "full-time") == 0) {
584 Eflg++;
585 statreq++;
586 eflg = 0;
587 time_fmt_old = FORMAT_ISO_FULL;
588 time_fmt_new = FORMAT_ISO_FULL;
589 continue;
590 }
591
592 if (strcmp(long_options[option_index].name,
593 "time-style") == 0) {
594 /* like -E, but doesn't imply -l */
595 if (strcmp(optarg, "full-iso") == 0) {
596 Eflg++;
597 statreq++;
598 eflg = 0;
599 time_fmt_old = FORMAT_ISO_FULL;
600 time_fmt_new = FORMAT_ISO_FULL;
601 continue;
602 }
603 if (strcmp(optarg, "long-iso") == 0) {
604 statreq++;
605 Eflg = 0;
606 eflg = 0;
607 time_fmt_old = FORMAT_ISO_LONG;
608 time_fmt_new = FORMAT_ISO_LONG;
609 continue;
610 }
611 if (strcmp(optarg, "iso") == 0) {
612 statreq++;
613 Eflg = 0;
614 eflg = 0;
615 time_fmt_old = FORMAT_ISO_OLD;
616 time_fmt_new = FORMAT_ISO_NEW;
617 continue;
618 }
619 /* should be the default */
620 if (strcmp(optarg, "locale") == 0) {
621 time_fmt_old = FORMAT_OLD;
622 time_fmt_new = FORMAT_NEW;
623 continue;
624 }
625 if (optarg[0] == '+') {
626 char *told, *tnew;
627 char *p;
628 size_t timelen = strlen(optarg);
629
630 p = strchr(optarg, '\n');
631 if (p != NULL)
632 *p++ = '\0';
633
634 /*
635 * Time format requires a leading and
636 * trailing space
637 * Add room for 3 spaces + 2 nulls
638 * The + in optarg is replaced with
639 * a space.
640 */
641 timelen += 2 + 3;
642 told = malloc(timelen);
643 if (told == NULL) {
644 perror("ls");
645 exit(2);
646 }
647
648 (void) memset(told, 0, timelen);
649 told[0] = ' ';
650 (void) strlcat(told, &optarg[1],
651 timelen);
652 (void) strlcat(told, " ", timelen);
653
654 if (p != NULL) {
655 size_t tnew_len;
656
657 tnew = told + strlen(told) + 1;
658 tnew_len = timelen -
659 strlen(told) - 1;
660
661 tnew[0] = ' ';
662 (void) strlcat(tnew, p,
663 tnew_len);
664 (void) strlcat(tnew, " ",
665 tnew_len);
666 time_fmt_new =
667 (const char *)tnew;
668 } else {
669 time_fmt_new =
670 (const char *)told;
671 }
672
673 time_fmt_old = (const char *)told;
674 time_custom = 1;
675 continue;
676 }
677 continue;
678 }
679
680 continue;
681
682 case 'a':
683 aflg++;
684 continue;
685 case 'A':
686 Aflg++;
687 continue;
688 case 'b':
689 bflg = 1;
690 qflg = 0;
691 continue;
692 case 'B':
693 Bflg = 1;
694 continue;
695 case 'c':
696 uflg = 0;
697 atm = 0;
698 ctm = 0;
699 mtm = 0;
700 crtm = 0;
701 cflg++;
702 continue;
703 case 'C':
704 Cflg = 1;
705 mflg = 0;
706 #ifdef XPG4
707 lflg = 0;
708 #endif
709 continue;
710 case 'd':
711 dflg++;
712 continue;
713 case 'e':
714 eflg++;
715 lflg++;
716 statreq++;
717 Eflg = 0;
718 time_fmt_old = FORMAT_LONG;
719 time_fmt_new = FORMAT_LONG;
720 continue;
721 case 'E':
722 Eflg++;
723 lflg++;
724 statreq++;
725 eflg = 0;
726 time_fmt_old = FORMAT_ISO_FULL;
727 time_fmt_new = FORMAT_ISO_FULL;
728 continue;
729 case 'f':
730 fflg++;
731 continue;
732 case 'F':
733 Fflg++;
734 statreq++;
735 continue;
736 case 'g':
737 gflg++;
738 lflg++;
739 statreq++;
740 continue;
741 case 'h':
742 hflg++;
743 continue;
744 case 'H':
745 Hflg++;
746 /* -H and -L are mutually exclusive */
747 Lflg = 0;
748 continue;
749 case 'i':
750 iflg++;
751 continue;
752 case 'k':
753 block_size = 1024;
754 continue;
755 case 'l':
756 lflg++;
757 statreq++;
758 Cflg = 0;
759 xflg = 0;
760 mflg = 0;
761 atflg = 0;
762 continue;
763 case 'L':
764 Lflg++;
765 /* -H and -L are mutually exclusive */
766 Hflg = 0;
767 continue;
768 case 'm':
769 Cflg = 0;
770 mflg = 1;
771 #ifdef XPG4
772 lflg = 0;
773 #endif
774 continue;
775 case 'n':
776 nflg++;
777 lflg++;
778 statreq++;
779 Cflg = 0;
780 xflg = 0;
781 mflg = 0;
782 atflg = 0;
783 continue;
784 case 'o':
785 oflg++;
786 lflg++;
787 statreq++;
788 continue;
789 case 'p':
790 pflg++;
791 statreq++;
792 continue;
793 case 'q':
794 qflg = 1;
795 bflg = 0;
796 continue;
797 case 'r':
798 rflg = -1;
799 continue;
800 case 'R':
801 Rflg++;
802 statreq++;
803 continue;
804 case 's':
805 sflg++;
806 statreq++;
807 continue;
808 case 'S':
809 tflg = 0;
810 Uflg = 0;
811 Sflg++;
812 statreq++;
813 continue;
814 case 't':
815 Sflg = 0;
816 Uflg = 0;
817 tflg++;
818 statreq++;
819 continue;
820 case 'U':
821 Sflg = 0;
822 tflg = 0;
823 Uflg++;
824 continue;
825 case 'u':
826 cflg = 0;
827 atm = 0;
828 ctm = 0;
829 mtm = 0;
830 crtm = 0;
831 uflg++;
832 continue;
833 case 'V':
834 Vflg++;
835 /*FALLTHROUGH*/
836 case 'v':
837 vflg++;
838 #if !defined(XPG4)
839 if (lflg)
840 continue;
841 #endif
842 lflg++;
843 statreq++;
844 Cflg = 0;
845 xflg = 0;
846 mflg = 0;
847 continue;
848 case 'w':
849 wflg++;
850 num_cols = atoi(optarg);
851 continue;
852 case 'x':
853 xflg = 1;
854 Cflg = 1;
855 mflg = 0;
856 #ifdef XPG4
857 lflg = 0;
858 #endif
859 continue;
860 case '1':
861 Cflg = 0;
862 continue;
863 case '@':
864 #if !defined(XPG4)
865 /*
866 * -l has precedence over -@
867 */
868 if (lflg)
869 continue;
870 #endif
871 atflg++;
872 lflg++;
873 statreq++;
874 Cflg = 0;
875 xflg = 0;
876 mflg = 0;
877 continue;
878 case '/':
879 saflg++;
880 if (optarg != NULL) {
881 if (strcmp(optarg, "c") == 0) {
882 copt++;
883 vopt = 0;
884 } else if (strcmp(optarg, "v") == 0) {
885 vopt++;
886 copt = 0;
887 } else
888 opterr++;
889 } else
890 opterr++;
891 lflg++;
892 statreq++;
893 Cflg = 0;
894 xflg = 0;
895 mflg = 0;
896 continue;
897 case '%':
898 tmflg++;
899 if (optarg != NULL) {
900 if (strcmp(optarg, "ctime") == 0) {
901 ctm++;
902 atm = 0;
903 mtm = 0;
904 crtm = 0;
905 } else if (strcmp(optarg, "atime") == 0) {
906 atm++;
907 ctm = 0;
908 mtm = 0;
909 crtm = 0;
910 uflg = 0;
911 cflg = 0;
912 } else if (strcmp(optarg, "mtime") == 0) {
913 mtm++;
914 atm = 0;
915 ctm = 0;
916 crtm = 0;
917 uflg = 0;
918 cflg = 0;
919 } else if (strcmp(optarg, "crtime") == 0) {
920 crtm++;
921 atm = 0;
922 ctm = 0;
923 mtm = 0;
924 uflg = 0;
925 cflg = 0;
926 } else if (strcmp(optarg, "all") == 0) {
927 alltm++;
928 atm = 0;
929 ctm = 0;
930 mtm = 0;
931 crtm = 0;
932 } else
933 opterr++;
934 } else
935 opterr++;
936
937 Sflg = 0;
938 statreq++;
939 mflg = 0;
940 continue;
941 case '?':
942 opterr++;
943 continue;
944 }
945
946 if (opterr) {
947 (void) fprintf(stderr, gettext(
948 "usage: ls -aAbBcCdeEfFghHiklLmnopqrRsStuUwxvV1@/%[c | v]"
949 "%%[atime | crtime | ctime | mtime | all]"
950 " [files]\n"));
951 exit(2);
952 }
953
954 if (fflg) {
955 aflg++;
956 lflg = 0;
957 sflg = 0;
958 tflg = 0;
959 Sflg = 0;
960 statreq = 0;
961 }
962
963 fixedwidth = 2;
964 if (pflg || Fflg)
965 fixedwidth++;
966 if (iflg)
967 fixedwidth += 11;
968 if (sflg)
969 fixedwidth += 5;
970
971 if (lflg) {
972 if (!gflg && !oflg)
973 gflg = oflg = 1;
974 else
975 if (gflg && oflg)
976 gflg = oflg = 0;
977 Cflg = mflg = 0;
978 }
979
980 if (!wflg && (Cflg || mflg)) {
981 char *clptr;
982 if ((clptr = getenv("COLUMNS")) != NULL)
983 num_cols = atoi(clptr);
984 #ifdef TERMINFO
985 else {
986 if (ioctl(1, TIOCGWINSZ, &win) != -1)
987 num_cols = (win.ws_col == 0 ? 80 : win.ws_col);
988 }
989 #endif
990 }
991
992 /*
993 * When certain options (-f, or -U and -1, and not -l, etc.) are
994 * specified, don't cache each dirent as it's read. This 'noflist'
995 * option is set when there's no need to cache those dirents; instead,
996 * print them out as they're read.
997 */
998 if ((Uflg || fflg) && !Cflg && !lflg && !iflg && statreq == 0)
999 noflist = 1;
1000
1001 if (num_cols < 20 || num_cols > 1000)
1002 /* assume it is an error */
1003 num_cols = 80;
1004
1005 /* allocate space for flist and the associated */
1006 /* data structures (lbufs) */
1007 maxfils = quantn;
1008 if (((flist = malloc(maxfils * sizeof (struct lbuf *))) == NULL) ||
1009 ((nxtlbf = malloc(quantn * sizeof (struct lbuf))) == NULL)) {
1010 perror("ls");
1011 exit(2);
1012 }
1013 if ((amino = (argc-optind)) == 0) {
1014 /*
1015 * case when no names are given
1016 * in ls-command and current
1017 * directory is to be used
1018 */
1019 argv[optind] = dotp;
1020 }
1021
1022 if (colorflg)
1023 ls_color_init();
1024
1025 for (i = 0; i < (amino ? amino : 1); i++) {
1026
1027 /*
1028 * If we are recursing, we need to make sure we don't
1029 * get into an endless loop. To keep track of the inodes
1030 * (actually, just the directories) visited, we
1031 * maintain a directory ancestry list for a file
1032 * hierarchy. As we go deeper into the hierarchy,
1033 * a parent directory passes its directory list
1034 * info (device id, inode number, and a pointer to
1035 * its parent) to each of its children. As we
1036 * process a child that is a directory, we save
1037 * its own personal directory list info. We then
1038 * check to see if the child has already been
1039 * processed by comparing its device id and inode
1040 * number from its own personal directory list info
1041 * to that of each of its ancestors. If there is a
1042 * match, then we know we've detected a cycle.
1043 */
1044 if (Rflg) {
1045 /*
1046 * This is the first parent in this lineage
1047 * (first in a directory hierarchy), so
1048 * this parent's parent doesn't exist. We
1049 * only initialize myinfo when we are
1050 * recursing, otherwise it's not used.
1051 */
1052 if ((myinfo = (struct ditem *)malloc(
1053 sizeof (struct ditem))) == NULL) {
1054 perror("ls");
1055 exit(2);
1056 } else {
1057 myinfo->dev = 0;
1058 myinfo->ino = 0;
1059 myinfo->parent = NULL;
1060 }
1061 }
1062
1063 if (Cflg || mflg) {
1064 width = strcol((unsigned char *)argv[optind]);
1065 if (width > filewidth)
1066 filewidth = width;
1067 }
1068 if ((ep = gstat((*argv[optind] ? argv[optind] : dotp),
1069 1, myinfo)) == NULL) {
1070 if (nomocore)
1071 exit(2);
1072 err = 2;
1073 optind++;
1074 continue;
1075 }
1076 ep->ln.namep = (*argv[optind] ? argv[optind] : dotp);
1077 ep->lflags |= ISARG;
1078 optind++;
1079 nargs++; /* count good arguments stored in flist */
1080 if (acl_err)
1081 err = 2;
1082 }
1083 colwidth = fixedwidth + filewidth;
1084 if (!Uflg)
1085 qsort(flist, (unsigned)nargs, sizeof (struct lbuf *),
1086 (int (*)(const void *, const void *))compar);
1087 for (i = 0; i < nargs; i++) {
1088 if ((flist[i]->ltype == 'd' && dflg == 0) || fflg)
1089 break;
1090 }
1091
1092 pem(&flist[0], &flist[i], 0);
1093 for (; i < nargs; i++) {
1094 pdirectory(flist[i]->ln.namep, Rflg ||
1095 (amino > 1), nargs, 0, flist[i]->ancinfo);
1096 if (nomocore)
1097 exit(2);
1098 /* -R: print subdirectories found */
1099 while (dfirst || cdfirst) {
1100 /* Place direct subdirs on front in right order */
1101 while (cdfirst) {
1102 /* reverse cdfirst onto front of dfirst */
1103 dtemp = cdfirst;
1104 cdfirst = cdfirst -> dc_next;
1105 dtemp -> dc_next = dfirst;
1106 dfirst = dtemp;
1107 }
1108 /* take off first dir on dfirst & print it */
1109 dtemp = dfirst;
1110 dfirst = dfirst->dc_next;
1111 pdirectory(dtemp->dc_name, 1, nargs,
1112 dtemp->cycle_detected, dtemp->myancinfo);
1113 if (nomocore)
1114 exit(2);
1115 free(dtemp->dc_name);
1116 free(dtemp);
1117 }
1118 }
1119
1120 return (err);
1121 }
1122
1123 /*
1124 * pdirectory: print the directory name, labelling it if title is
1125 * nonzero, using lp as the place to start reading in the dir.
1126 */
1127 static void
1128 pdirectory(char *name, int title, int lp, int cdetect, struct ditem *myinfo)
1129 {
1130 struct dchain *dp;
1131 struct lbuf *ap;
1132 char *pname;
1133 int j;
1134
1135 filewidth = 0;
1136 curdir = name;
1137 if (title) {
1138 if (!first)
1139 (void) putc('\n', stdout);
1140 pprintf(name, ":");
1141 new_line();
1142 }
1143 /*
1144 * If there was a cycle detected, then notify and don't report
1145 * further.
1146 */
1147 if (cdetect) {
1148 if (lflg || sflg) {
1149 curcol += printf(gettext("total %d"), 0);
1150 new_line();
1151 }
1152 (void) fprintf(stderr, gettext(
1153 "ls: cycle detected for %s\n"), name);
1154 return;
1155 }
1156
1157 nfiles = lp;
1158 rddir(name, myinfo);
1159 if (nomocore || noflist)
1160 return;
1161 if (fflg == 0 && Uflg == 0)
1162 qsort(&flist[lp], (unsigned)(nfiles - lp),
1163 sizeof (struct lbuf *),
1164 (int (*)(const void *, const void *))compar);
1165 if (Rflg) {
1166 for (j = nfiles - 1; j >= lp; j--) {
1167 ap = flist[j];
1168 if (ap->ltype == 'd' && strcmp(ap->ln.lname, ".") &&
1169 strcmp(ap->ln.lname, "..")) {
1170 dp = malloc(sizeof (struct dchain));
1171 if (dp == NULL) {
1172 perror("ls");
1173 exit(2);
1174 }
1175 pname = makename(curdir, ap->ln.lname);
1176 if ((dp->dc_name = strdup(pname)) == NULL) {
1177 perror("ls");
1178 exit(2);
1179 }
1180 dp->cycle_detected = ap->cycle;
1181 dp->myancinfo = ap->ancinfo;
1182 dp->dc_next = dfirst;
1183 dfirst = dp;
1184 }
1185 }
1186 }
1187 if (lflg || sflg) {
1188 curcol += printf(gettext("total %llu"), tblocks);
1189 new_line();
1190 }
1191 pem(&flist[lp], &flist[nfiles], lflg||sflg);
1192 }
1193
1194 /*
1195 * pem: print 'em. Print a list of files (e.g. a directory) bounded
1196 * by slp and lp.
1197 */
1198 static void
1199 pem(struct lbuf **slp, struct lbuf **lp, int tot_flag)
1200 {
1201 long row, nrows, i;
1202 int col, ncols = 1;
1203 struct lbuf **ep;
1204
1205 if (Cflg || mflg) {
1206 if (colwidth <= num_cols) {
1207 ncols = num_cols / colwidth;
1208 }
1209 }
1210
1211 if (ncols == 1 || mflg || xflg || !Cflg) {
1212 for (ep = slp; ep < lp; ep++)
1213 pentry(*ep);
1214 new_line();
1215 return;
1216 }
1217 /* otherwise print -C columns */
1218 if (tot_flag) {
1219 slp--;
1220 row = 1;
1221 }
1222 else
1223 row = 0;
1224
1225 nrows = (lp - slp - 1) / ncols + 1;
1226 for (i = 0; i < nrows; i++, row++) {
1227 for (col = 0; col < ncols; col++) {
1228 ep = slp + (nrows * col) + row;
1229 if (ep < lp)
1230 pentry(*ep);
1231 }
1232 new_line();
1233 }
1234 }
1235
1236 /*
1237 * print one output entry;
1238 * if uid/gid is not found in the appropriate
1239 * file(passwd/group), then print uid/gid instead of
1240 * user/group name;
1241 */
1242 static void
1243 pentry(struct lbuf *ap)
1244 {
1245 struct lbuf *p;
1246 char *dmark = ""; /* Used if -p or -F option active */
1247 char *cp;
1248 char *str;
1249
1250 if (noflist) {
1251 (void) printf("%s\n", (ap->lflags & ISARG) ? ap->ln.namep :
1252 ap->ln.lname);
1253 return;
1254 }
1255
1256 p = ap;
1257 column();
1258 if (iflg) {
1259 if (mflg && !lflg)
1260 curcol += printf("%llu ", (long long)p->lnum);
1261 else
1262 curcol += printf("%10llu ", (long long)p->lnum);
1263 }
1264 if (sflg) {
1265 curcol += printf((mflg && !lflg) ? "%lld " :
1266 (p->lblocks < 10000) ? "%4lld " : "%lld ",
1267 (p->ltype != 'b' && p->ltype != 'c') ?
1268 p->lblocks : 0LL);
1269 }
1270 if (lflg) {
1271 (void) putchar(p->ltype);
1272 curcol++;
1273 pmode(p->lflags);
1274
1275 /* ACL: additional access mode flag */
1276 (void) putchar(p->acl);
1277 curcol++;
1278
1279 curcol += printf("%3lu ", (ulong_t)p->lnl);
1280 if (oflg) {
1281 if (!nflg) {
1282 cp = getname(p->luid);
1283 curcol += printf("%-8s ", cp);
1284 } else
1285 curcol += printf("%-8lu ", (ulong_t)p->luid);
1286 }
1287 if (gflg) {
1288 if (!nflg) {
1289 cp = getgroup(p->lgid);
1290 curcol += printf("%-8s ", cp);
1291 } else
1292 curcol += printf("%-8lu ", (ulong_t)p->lgid);
1293 }
1294 if (p->ltype == 'b' || p->ltype == 'c') {
1295 curcol += printf("%3u, %2u",
1296 (uint_t)major((dev_t)p->lsize),
1297 (uint_t)minor((dev_t)p->lsize));
1298 } else if (hflg) {
1299 char numbuf[NN_NUMBUF_SZ];
1300
1301 nicenum_scale(p->lsize, 1, numbuf, sizeof (numbuf),
1302 nicenum_flags);
1303
1304 curcol += printf("%7s", numbuf);
1305 } else {
1306 uint64_t bsize = p->lsize / block_size;
1307
1308 /*
1309 * Round up only when using blocks > 1 byte, otherwise
1310 * 'normal' sizes display 1 byte too large.
1311 */
1312 if (p->lsize % block_size != 0)
1313 bsize++;
1314
1315 curcol += printf("%7" PRIu64, bsize);
1316 }
1317 format_time(p->lmtime.tv_sec, p->lmtime.tv_nsec);
1318 /* format extended system attribute time */
1319 if (tmflg && crtm)
1320 format_attrtime(p);
1321
1322 curcol += printf("%s", time_buf);
1323
1324 }
1325 /*
1326 * prevent both "->" and trailing marks
1327 * from appearing
1328 */
1329
1330 if (pflg && p->ltype == 'd')
1331 dmark = "/";
1332
1333 if (Fflg && !(lflg && p->flinkto)) {
1334 if (p->ltype == 'd')
1335 dmark = "/";
1336 else if (p->ltype == 'D')
1337 dmark = ">";
1338 else if (p->ltype == 'p')
1339 dmark = "|";
1340 else if (p->ltype == 'l')
1341 dmark = "@";
1342 else if (p->ltype == 's')
1343 dmark = "=";
1344 else if (!file_typeflg &&
1345 (p->lflags & (S_IXUSR|S_IXGRP|S_IXOTH)))
1346 dmark = "*";
1347 else
1348 dmark = "";
1349 }
1350
1351 if (colorflg)
1352 ls_start_color(p->color);
1353
1354 if (p->lflags & ISARG)
1355 str = p->ln.namep;
1356 else
1357 str = p->ln.lname;
1358
1359 if (qflg || bflg) {
1360 csi_pprintf((unsigned char *)str);
1361
1362 if (lflg && p->flinkto) {
1363 if (colorflg)
1364 ls_end_color();
1365 csi_pprintf((unsigned char *)" -> ");
1366 if (colorflg)
1367 ls_start_color(p->link_color);
1368 csi_pprintf((unsigned char *)p->flinkto);
1369 } else {
1370 csi_pprintf((unsigned char *)dmark);
1371 }
1372 } else {
1373 (void) printf("%s", str);
1374 curcol += strcol((unsigned char *)str);
1375
1376 if (lflg && p->flinkto) {
1377 if (colorflg)
1378 ls_end_color();
1379 str = " -> ";
1380 (void) printf("%s", str);
1381 curcol += strcol((unsigned char *)str);
1382 if (colorflg)
1383 ls_start_color(p->link_color);
1384 (void) printf("%s", p->flinkto);
1385 curcol += strcol((unsigned char *)p->flinkto);
1386 } else {
1387 (void) printf("%s", dmark);
1388 curcol += strcol((unsigned char *)dmark);
1389 }
1390 }
1391
1392 if (colorflg)
1393 ls_end_color();
1394
1395 /* Display extended system attributes */
1396 if (saflg) {
1397 int i;
1398
1399 new_line();
1400 (void) printf(" \t{");
1401 if (p->exttr != NULL) {
1402 int k = 0;
1403 for (i = 0; i < sacnt; i++) {
1404 if (p->exttr[i].name != NULL)
1405 k++;
1406 }
1407 for (i = 0; i < sacnt; i++) {
1408 if (p->exttr[i].name != NULL) {
1409 (void) printf("%s", p->exttr[i].name);
1410 k--;
1411 if (vopt && (k != 0))
1412 (void) printf(",");
1413 }
1414 }
1415 }
1416 (void) printf("}\n");
1417 }
1418 /* Display file timestamps and extended system attribute timestamps */
1419 if (tmflg && alltm) {
1420 new_line();
1421 print_time(p);
1422 new_line();
1423 }
1424 if (vflg) {
1425 new_line();
1426 if (p->aclp) {
1427 acl_printacl(p->aclp, num_cols, Vflg);
1428 }
1429 }
1430 /* Free extended system attribute lists */
1431 if (saflg || tmflg)
1432 free_sysattr(p);
1433 }
1434
1435 /* print various r,w,x permissions */
1436 static void
1437 pmode(mode_t aflag)
1438 {
1439 /* these arrays are declared static to allow initializations */
1440 static int m0[] = { 1, S_IRUSR, 'r', '-' };
1441 static int m1[] = { 1, S_IWUSR, 'w', '-' };
1442 static int m2[] = { 3, S_ISUID|S_IXUSR, 's', S_IXUSR,
1443 'x', S_ISUID, 'S', '-' };
1444 static int m3[] = { 1, S_IRGRP, 'r', '-' };
1445 static int m4[] = { 1, S_IWGRP, 'w', '-' };
1446 static int m5[] = { 4, S_ISGID|S_IXGRP, 's', S_IXGRP,
1447 'x', S_ISGID|LS_NOTREG, 'S',
1448 #ifdef XPG4
1449 S_ISGID, 'L', '-'};
1450 #else
1451 S_ISGID, 'l', '-'};
1452 #endif
1453 static int m6[] = { 1, S_IROTH, 'r', '-' };
1454 static int m7[] = { 1, S_IWOTH, 'w', '-' };
1455 static int m8[] = { 3, S_ISVTX|S_IXOTH, 't', S_IXOTH,
1456 'x', S_ISVTX, 'T', '-'};
1457
1458 static int *m[] = { m0, m1, m2, m3, m4, m5, m6, m7, m8};
1459
1460 int **mp;
1461
1462 flags = aflag;
1463 for (mp = &m[0]; mp < &m[sizeof (m) / sizeof (m[0])]; mp++)
1464 selection(*mp);
1465 }
1466
1467 static void
1468 selection(int *pairp)
1469 {
1470 int n;
1471
1472 n = *pairp++;
1473 while (n-->0) {
1474 if ((flags & *pairp) == *pairp) {
1475 pairp++;
1476 break;
1477 } else {
1478 pairp += 2;
1479 }
1480 }
1481 (void) putchar(*pairp);
1482 curcol++;
1483 }
1484
1485 /*
1486 * column: get to the beginning of the next column.
1487 */
1488 static void
1489 column(void)
1490 {
1491 if (curcol == 0)
1492 return;
1493 if (mflg) {
1494 (void) putc(',', stdout);
1495 curcol++;
1496 if (curcol + colwidth + 2 > num_cols) {
1497 (void) putc('\n', stdout);
1498 curcol = 0;
1499 return;
1500 }
1501 (void) putc(' ', stdout);
1502 curcol++;
1503 return;
1504 }
1505 if (Cflg == 0) {
1506 (void) putc('\n', stdout);
1507 curcol = 0;
1508 return;
1509 }
1510 if ((curcol / colwidth + 2) * colwidth > num_cols) {
1511 (void) putc('\n', stdout);
1512 curcol = 0;
1513 return;
1514 }
1515 do {
1516 (void) putc(' ', stdout);
1517 curcol++;
1518 } while (curcol % colwidth);
1519 }
1520
1521 static void
1522 new_line(void)
1523 {
1524 if (curcol) {
1525 first = 0;
1526 (void) putc('\n', stdout);
1527 curcol = 0;
1528 }
1529 }
1530
1531 /*
1532 * read each filename in directory dir and store its
1533 * status in flist[nfiles]
1534 * use makename() to form pathname dir/filename;
1535 */
1536 static void
1537 rddir(char *dir, struct ditem *myinfo)
1538 {
1539 struct dirent *dentry;
1540 DIR *dirf;
1541 int j;
1542 struct lbuf *ep;
1543 int width;
1544
1545 if ((dirf = opendir(dir)) == NULL) {
1546 (void) fflush(stdout);
1547 perror(dir);
1548 err = 2;
1549 return;
1550 } else {
1551 tblocks = 0;
1552 for (;;) {
1553 errno = 0;
1554 if ((dentry = readdir(dirf)) == NULL)
1555 break;
1556 if (aflg == 0 && dentry->d_name[0] == '.' &&
1557 (Aflg == 0 ||
1558 dentry->d_name[1] == '\0' ||
1559 (dentry->d_name[1] == '.' &&
1560 dentry->d_name[2] == '\0')))
1561 /*
1562 * check for directory items '.', '..',
1563 * and items without valid inode-number;
1564 */
1565 continue;
1566
1567 /* skip entries ending in ~ if -B was given */
1568 if (Bflg &&
1569 dentry->d_name[strlen(dentry->d_name) - 1] == '~')
1570 continue;
1571 if (Cflg || mflg) {
1572 width = strcol((unsigned char *)dentry->d_name);
1573 if (width > filewidth)
1574 filewidth = width;
1575 }
1576 ep = gstat(makename(dir, dentry->d_name), 0, myinfo);
1577 if (ep == NULL) {
1578 if (nomocore)
1579 exit(2);
1580 continue;
1581 } else {
1582 ep->lnum = dentry->d_ino;
1583 for (j = 0; dentry->d_name[j] != '\0'; j++)
1584 ep->ln.lname[j] = dentry->d_name[j];
1585 ep->ln.lname[j] = '\0';
1586
1587 /*
1588 * Since this entry doesn't need to be sorted
1589 * or further processed, print it right away.
1590 */
1591 if (noflist) {
1592 pem(&ep, &ep + 1, 0);
1593 nfiles--;
1594 }
1595 }
1596 }
1597 if (errno) {
1598 int sav_errno = errno;
1599
1600 (void) fprintf(stderr,
1601 gettext("ls: error reading directory %s: %s\n"),
1602 dir, strerror(sav_errno));
1603 }
1604 (void) closedir(dirf);
1605 colwidth = fixedwidth + filewidth;
1606 }
1607 }
1608
1609 /*
1610 * Attaching a link to an inode's ancestors. Search
1611 * through the ancestors to check for cycles (an inode which
1612 * we have already tracked in this inodes ancestry). If a cycle
1613 * is detected, set the exit code and record the fact so that
1614 * it is reported at the right time when printing the directory.
1615 * In addition, set the exit code. Note: If the -a flag was
1616 * specified, we don't want to check for cycles for directories
1617 * ending in '/.' or '/..' unless they were specified on the
1618 * command line.
1619 */
1620 static void
1621 record_ancestry(char *file, struct stat *pstatb, struct lbuf *rep,
1622 int argfl, struct ditem *myparent)
1623 {
1624 size_t file_len;
1625 struct ditem *myinfo;
1626 struct ditem *tptr;
1627
1628 file_len = strlen(file);
1629 if (!aflg || argfl || (NOTWORKINGDIR(file, file_len) &&
1630 NOTPARENTDIR(file, file_len))) {
1631 /*
1632 * Add this inode's ancestry
1633 * info and insert it into the
1634 * ancestry list by pointing
1635 * back to its parent. We save
1636 * it (in rep) with the other info
1637 * we're gathering for this inode.
1638 */
1639 if ((myinfo = malloc(
1640 sizeof (struct ditem))) == NULL) {
1641 perror("ls");
1642 exit(2);
1643 }
1644 myinfo->dev = pstatb->st_dev;
1645 myinfo->ino = pstatb->st_ino;
1646 myinfo->parent = myparent;
1647 rep->ancinfo = myinfo;
1648
1649 /*
1650 * If this node has the same device id and
1651 * inode number of one of its ancestors,
1652 * then we've detected a cycle.
1653 */
1654 if (myparent != NULL) {
1655 for (tptr = myparent; tptr->parent != NULL;
1656 tptr = tptr->parent) {
1657 if ((tptr->dev == pstatb->st_dev) &&
1658 (tptr->ino == pstatb->st_ino)) {
1659 /*
1660 * Cycle detected for this
1661 * directory. Record the fact
1662 * it is a cycle so we don't
1663 * try to process this
1664 * directory as we are
1665 * walking through the
1666 * list of directories.
1667 */
1668 rep->cycle = 1;
1669 err = 2;
1670 break;
1671 }
1672 }
1673 }
1674 }
1675 }
1676
1677 /*
1678 * Do re-calculate the mode for group for ACE_T type of acls.
1679 * This is because, if the server's FS happens to be UFS, supporting
1680 * POSIX ACL's, then it does a special calculation of group mode
1681 * to be the bitwise OR of CLASS_OBJ and GROUP_OBJ (see PSARC/2001/717.)
1682 *
1683 * This algorithm is from the NFSv4 ACL Draft. Here a part of that
1684 * algorithm is used for the group mode calculation only.
1685 * What is modified here from the algorithm is that only the
1686 * entries with flags ACE_GROUP are considered. For each entry
1687 * with ACE_GROUP flag, the first occurance of a specific access
1688 * is checked if it is allowed.
1689 * We are not interested in perms for user and other, as they
1690 * were taken from st_mode value.
1691 * We are not interested in a_who field of ACE, as we need just
1692 * unix mode bits for the group.
1693 */
1694
1695 #define OWNED_GROUP (ACE_GROUP | ACE_IDENTIFIER_GROUP)
1696 #define IS_TYPE_ALLOWED(type) ((type) == ACE_ACCESS_ALLOWED_ACE_TYPE)
1697
1698 int
1699 grp_mask_to_mode(struct lbuf *p)
1700 {
1701 int mode = 0, seen = 0;
1702 int acecnt;
1703 int flags;
1704 ace_t *ap;
1705 acl_t *acep = p->aclp;
1706
1707 acecnt = acl_cnt(acep);
1708 for (ap = (ace_t *)acl_data(acep); acecnt--; ap++) {
1709
1710 if (ap->a_type != ACE_ACCESS_ALLOWED_ACE_TYPE &&
1711 ap->a_type != ACE_ACCESS_DENIED_ACE_TYPE)
1712 continue;
1713
1714 if (ap->a_flags & ACE_INHERIT_ONLY_ACE)
1715 continue;
1716
1717 /*
1718 * if it is first group@ or first everyone@
1719 * for each of read, write and execute, then
1720 * that will be the group mode bit.
1721 */
1722 flags = ap->a_flags & ACE_TYPE_FLAGS;
1723 if (flags == OWNED_GROUP || (flags == ACE_IDENTIFIER_GROUP &&
1724 ap->a_who == p->lgid) || flags == ACE_EVERYONE) {
1725 if (ap->a_access_mask & ACE_READ_DATA) {
1726 if (!(seen & S_IRGRP)) {
1727 seen |= S_IRGRP;
1728 if (IS_TYPE_ALLOWED(ap->a_type))
1729 mode |= S_IRGRP;
1730 }
1731 }
1732 if (ap->a_access_mask & ACE_WRITE_DATA) {
1733 if (!(seen & S_IWGRP)) {
1734 seen |= S_IWGRP;
1735 if (IS_TYPE_ALLOWED(ap->a_type))
1736 mode |= S_IWGRP;
1737 }
1738 }
1739 if (ap->a_access_mask & ACE_EXECUTE) {
1740 if (!(seen & S_IXGRP)) {
1741 seen |= S_IXGRP;
1742 if (IS_TYPE_ALLOWED(ap->a_type))
1743 mode |= S_IXGRP;
1744 }
1745 }
1746 }
1747 }
1748 return (mode);
1749 }
1750
1751 /*
1752 * get status of file and recomputes tblocks;
1753 * argfl = 1 if file is a name in ls-command and = 0
1754 * for filename in a directory whose name is an
1755 * argument in the command;
1756 * stores a pointer in flist[nfiles] and
1757 * returns that pointer;
1758 * returns NULL if failed;
1759 */
1760 static struct lbuf *
1761 gstat(char *file, int argfl, struct ditem *myparent)
1762 {
1763 struct stat statb, statb1;
1764 struct lbuf *rep;
1765 char buf[BUFSIZ];
1766 ssize_t cc;
1767 int (*statf)() = ((Lflg) || (Hflg && argfl)) ? stat : lstat;
1768 int aclcnt;
1769 int error;
1770 aclent_t *tp;
1771 o_mode_t groupperm, mask;
1772 int grouppermfound, maskfound;
1773
1774 if (nomocore)
1775 return (NULL);
1776
1777 if (nfiles >= maxfils) {
1778 /*
1779 * all flist/lbuf pair assigned files, time to get some
1780 * more space
1781 */
1782 maxfils += quantn;
1783 if (((flist = reallocarray(flist, maxfils,
1784 sizeof (struct lbuf *))) == NULL) ||
1785 ((nxtlbf = malloc(quantn *
1786 sizeof (struct lbuf))) == NULL)) {
1787 perror("ls");
1788 nomocore = 1;
1789 return (NULL);
1790 }
1791 }
1792
1793 /*
1794 * nfiles is reset to nargs for each directory
1795 * that is given as an argument maxn is checked
1796 * to prevent the assignment of an lbuf to a flist entry
1797 * that already has one assigned.
1798 */
1799 if (nfiles >= maxn) {
1800 rep = nxtlbf++;
1801 flist[nfiles++] = rep;
1802 maxn = nfiles;
1803 } else {
1804 rep = flist[nfiles++];
1805 }
1806
1807 /* Clear the lbuf */
1808 (void) memset(rep, 0, sizeof (struct lbuf));
1809
1810 /*
1811 * When noflist is set, none of the extra information about the dirent
1812 * will be printed, so omit remaining initialization of this lbuf
1813 * as well as the stat(2) call.
1814 */
1815 if (!argfl && noflist)
1816 return (rep);
1817
1818 /* Initialize non-zero members */
1819
1820 rep->lat.tv_sec = time(NULL);
1821 rep->lct.tv_sec = time(NULL);
1822 rep->lmt.tv_sec = time(NULL);
1823
1824 if (argfl || statreq) {
1825 int doacl;
1826
1827 if (lflg)
1828 doacl = 1;
1829 else
1830 doacl = 0;
1831
1832 if ((*statf)(file, &statb) < 0) {
1833 if (argfl || errno != ENOENT ||
1834 (Lflg && lstat(file, &statb) == 0)) {
1835 /*
1836 * Avoid race between readdir and lstat.
1837 * Print error message in case of dangling link.
1838 */
1839 perror(file);
1840 err = 2;
1841 }
1842 nfiles--;
1843 return (NULL);
1844 }
1845
1846 /*
1847 * If -H was specified, and the file linked to was
1848 * not a directory, then we need to get the info
1849 * for the symlink itself.
1850 */
1851 if ((Hflg) && (argfl) &&
1852 ((statb.st_mode & S_IFMT) != S_IFDIR)) {
1853 if (lstat(file, &statb) < 0) {
1854 perror(file);
1855 err = 2;
1856 }
1857 }
1858
1859 rep->lnum = statb.st_ino;
1860 rep->lsize = statb.st_size;
1861 rep->lblocks = statb.st_blocks;
1862 if (colorflg)
1863 rep->color = ls_color_find(file, statb.st_mode);
1864
1865 switch (statb.st_mode & S_IFMT) {
1866 case S_IFDIR:
1867 rep->ltype = 'd';
1868 if (Rflg) {
1869 record_ancestry(file, &statb, rep,
1870 argfl, myparent);
1871 }
1872 break;
1873 case S_IFBLK:
1874 rep->ltype = 'b';
1875 rep->lsize = (off_t)statb.st_rdev;
1876 break;
1877 case S_IFCHR:
1878 rep->ltype = 'c';
1879 rep->lsize = (off_t)statb.st_rdev;
1880 break;
1881 case S_IFIFO:
1882 rep->ltype = 'p';
1883 break;
1884 case S_IFSOCK:
1885 rep->ltype = 's';
1886 rep->lsize = 0;
1887 break;
1888 case S_IFLNK:
1889 /* symbolic links may not have ACLs, so elide acl() */
1890 if ((Lflg == 0) || (Hflg == 0) ||
1891 ((Hflg) && (!argfl))) {
1892 doacl = 0;
1893 }
1894 rep->ltype = 'l';
1895 if (lflg || colorflg) {
1896 cc = readlink(file, buf, BUFSIZ);
1897 if (cc < 0)
1898 break;
1899
1900 /*
1901 * follow the symbolic link
1902 * to generate the appropriate
1903 * Fflg marker for the object
1904 * eg, /bin -> /sym/bin/
1905 */
1906 error = 0;
1907 if (Fflg || pflg || colorflg)
1908 error = stat(file, &statb1);
1909
1910 if (colorflg) {
1911 if (error >= 0)
1912 rep->link_color =
1913 ls_color_find(file,
1914 statb1.st_mode);
1915 else
1916 rep->link_color =
1917 lsc_orphan;
1918 }
1919
1920 if ((Fflg || pflg) && error >= 0) {
1921 switch (statb1.st_mode & S_IFMT) {
1922 case S_IFDIR:
1923 buf[cc++] = '/';
1924 break;
1925 case S_IFSOCK:
1926 buf[cc++] = '=';
1927 break;
1928 case S_IFDOOR:
1929 buf[cc++] = '>';
1930 break;
1931 case S_IFIFO:
1932 buf[cc++] = '|';
1933 break;
1934 default:
1935 if ((statb1.st_mode & ~S_IFMT) &
1936 (S_IXUSR|S_IXGRP| S_IXOTH))
1937 buf[cc++] = '*';
1938 break;
1939 }
1940 }
1941 buf[cc] = '\0';
1942 rep->flinkto = strdup(buf);
1943 if (rep->flinkto == NULL) {
1944 perror("ls");
1945 nomocore = 1;
1946 return (NULL);
1947 }
1948 break;
1949 }
1950
1951 /*
1952 * ls /sym behaves differently from ls /sym/
1953 * when /sym is a symbolic link. This is fixed
1954 * when explicit arguments are specified.
1955 */
1956
1957 #ifdef XPG6
1958 /* Do not follow a symlink when -F is specified */
1959 if ((!argfl) || (argfl && Fflg) ||
1960 (stat(file, &statb1) < 0))
1961 #else
1962 /* Follow a symlink when -F is specified */
1963 if (!argfl || stat(file, &statb1) < 0)
1964 #endif /* XPG6 */
1965 break;
1966 if ((statb1.st_mode & S_IFMT) == S_IFDIR) {
1967 statb = statb1;
1968 rep->ltype = 'd';
1969 rep->lsize = statb1.st_size;
1970 if (Rflg) {
1971 record_ancestry(file, &statb, rep,
1972 argfl, myparent);
1973 }
1974 }
1975 break;
1976 case S_IFDOOR:
1977 rep->ltype = 'D';
1978 break;
1979 case S_IFREG:
1980 rep->ltype = '-';
1981 break;
1982 case S_IFPORT:
1983 rep->ltype = 'P';
1984 break;
1985 default:
1986 rep->ltype = '?';
1987 break;
1988 }
1989 rep->lflags = statb.st_mode & ~S_IFMT;
1990
1991 if (!S_ISREG(statb.st_mode))
1992 rep->lflags |= LS_NOTREG;
1993
1994 rep->luid = statb.st_uid;
1995 rep->lgid = statb.st_gid;
1996 rep->lnl = statb.st_nlink;
1997 if (uflg || (tmflg && atm))
1998 rep->lmtime = statb.st_atim;
1999 else if (cflg || (tmflg && ctm))
2000 rep->lmtime = statb.st_ctim;
2001 else
2002 rep->lmtime = statb.st_mtim;
2003 rep->lat = statb.st_atim;
2004 rep->lct = statb.st_ctim;
2005 rep->lmt = statb.st_mtim;
2006
2007 /* ACL: check acl entries count */
2008 if (doacl) {
2009
2010 error = acl_get(file, 0, &rep->aclp);
2011 if (error) {
2012 (void) fprintf(stderr,
2013 gettext("ls: can't read ACL on %s: %s\n"),
2014 file, acl_strerror(error));
2015 rep->acl = ' ';
2016 acl_err++;
2017 return (rep);
2018 }
2019
2020 rep->acl = ' ';
2021
2022 if (rep->aclp &&
2023 ((acl_flags(rep->aclp) & ACL_IS_TRIVIAL) == 0)) {
2024 rep->acl = '+';
2025 /*
2026 * Special handling for ufs aka aclent_t ACL's
2027 */
2028 if (acl_type(rep->aclp) == ACLENT_T) {
2029 /*
2030 * For files with non-trivial acls, the
2031 * effective group permissions are the
2032 * intersection of the GROUP_OBJ value
2033 * and the CLASS_OBJ (acl mask) value.
2034 * Determine both the GROUP_OBJ and
2035 * CLASS_OBJ for this file and insert
2036 * the logical AND of those two values
2037 * in the group permissions field
2038 * of the lflags value for this file.
2039 */
2040
2041 /*
2042 * Until found in acl list, assume
2043 * maximum permissions for both group
2044 * a nd mask. (Just in case the acl
2045 * lacks either value for some reason.)
2046 */
2047 groupperm = 07;
2048 mask = 07;
2049 grouppermfound = 0;
2050 maskfound = 0;
2051 aclcnt = acl_cnt(rep->aclp);
2052 for (tp =
2053 (aclent_t *)acl_data(rep->aclp);
2054 aclcnt--; tp++) {
2055 if (tp->a_type == GROUP_OBJ) {
2056 groupperm = tp->a_perm;
2057 grouppermfound = 1;
2058 continue;
2059 }
2060 if (tp->a_type == CLASS_OBJ) {
2061 mask = tp->a_perm;
2062 maskfound = 1;
2063 }
2064 if (grouppermfound && maskfound)
2065 break;
2066 }
2067
2068
2069 /* reset all the group bits */
2070 rep->lflags &= ~S_IRWXG;
2071
2072 /*
2073 * Now set them to the logical AND of
2074 * the GROUP_OBJ permissions and the
2075 * acl mask.
2076 */
2077
2078 rep->lflags |= (groupperm & mask) << 3;
2079
2080 } else if (acl_type(rep->aclp) == ACE_T) {
2081 int mode;
2082 mode = grp_mask_to_mode(rep);
2083 rep->lflags &= ~S_IRWXG;
2084 rep->lflags |= mode;
2085 }
2086 }
2087
2088 if (!vflg && !Vflg && rep->aclp) {
2089 acl_free(rep->aclp);
2090 rep->aclp = NULL;
2091 }
2092
2093 if (atflg && pathconf(file, _PC_XATTR_EXISTS) == 1)
2094 rep->acl = '@';
2095
2096 } else
2097 rep->acl = ' ';
2098
2099 /* mask ISARG and other file-type bits */
2100
2101 if (rep->ltype != 'b' && rep->ltype != 'c')
2102 tblocks += rep->lblocks;
2103
2104 /* Get extended system attributes */
2105
2106 if ((saflg || (tmflg && crtm) || (tmflg && alltm)) &&
2107 (sysattr_support(file, _PC_SATTR_EXISTS) == 1)) {
2108 int i;
2109
2110 sacnt = attr_count();
2111 /*
2112 * Allocate 'sacnt' size array to hold extended
2113 * system attribute name (verbose) or respective
2114 * symbol represenation (compact).
2115 */
2116 rep->exttr = xmalloc(sacnt * sizeof (struct attrb),
2117 rep);
2118
2119 /* initialize boolean attribute list */
2120 for (i = 0; i < sacnt; i++)
2121 rep->exttr[i].name = NULL;
2122 if (get_sysxattr(file, rep) != 0) {
2123 (void) fprintf(stderr,
2124 gettext("ls:Failed to retrieve "
2125 "extended system attribute from "
2126 "%s\n"), file);
2127 rep->exttr[0].name = xmalloc(2, rep);
2128 (void) strlcpy(rep->exttr[0].name, "?", 2);
2129 }
2130 }
2131 }
2132 return (rep);
2133 }
2134
2135 /*
2136 * returns pathname of the form dir/file;
2137 * dir and file are null-terminated strings.
2138 */
2139 static char *
2140 makename(char *dir, char *file)
2141 {
2142 /*
2143 * PATH_MAX is the maximum length of a path name.
2144 * MAXNAMLEN is the maximum length of any path name component.
2145 * Allocate space for both, plus the '/' in the middle
2146 * and the null character at the end.
2147 * dfile is static as this is returned by makename().
2148 */
2149 static char dfile[PATH_MAX + 1 + MAXNAMLEN + 1];
2150 char *dp, *fp;
2151
2152 dp = dfile;
2153 fp = dir;
2154 while (*fp)
2155 *dp++ = *fp++;
2156 if (dp > dfile && *(dp - 1) != '/')
2157 *dp++ = '/';
2158 fp = file;
2159 while (*fp)
2160 *dp++ = *fp++;
2161 *dp = '\0';
2162 return (dfile);
2163 }
2164
2165
2166 #include <pwd.h>
2167 #include <grp.h>
2168 #include <utmpx.h>
2169
2170 struct utmpx utmp;
2171
2172 #define NMAX (sizeof (utmp.ut_name))
2173 #define SCPYN(a, b) (void) strncpy(a, b, NMAX)
2174
2175
2176 struct cachenode { /* this struct must be zeroed before using */
2177 struct cachenode *lesschild; /* subtree whose entries < val */
2178 struct cachenode *grtrchild; /* subtree whose entries > val */
2179 long val; /* the uid or gid of this entry */
2180 int initted; /* name has been filled in */
2181 char name[NMAX+1]; /* the string that val maps to */
2182 };
2183 static struct cachenode *names, *groups;
2184
2185 static struct cachenode *
2186 findincache(struct cachenode **head, long val)
2187 {
2188 struct cachenode **parent = head;
2189 struct cachenode *c = *parent;
2190
2191 while (c != NULL) {
2192 if (val == c->val) {
2193 /* found it */
2194 return (c);
2195 } else if (val < c->val) {
2196 parent = &c->lesschild;
2197 c = c->lesschild;
2198 } else {
2199 parent = &c->grtrchild;
2200 c = c->grtrchild;
2201 }
2202 }
2203
2204 /* not in the cache, make a new entry for it */
2205 c = calloc(1, sizeof (struct cachenode));
2206 if (c == NULL) {
2207 perror("ls");
2208 exit(2);
2209 }
2210 *parent = c;
2211 c->val = val;
2212 return (c);
2213 }
2214
2215 /*
2216 * get name from cache, or passwd file for a given uid;
2217 * lastuid is set to uid.
2218 */
2219 static char *
2220 getname(uid_t uid)
2221 {
2222 struct passwd *pwent;
2223 struct cachenode *c;
2224
2225 if ((uid == lastuid) && lastuname)
2226 return (lastuname);
2227
2228 c = findincache(&names, uid);
2229 if (c->initted == 0) {
2230 if ((pwent = getpwuid(uid)) != NULL) {
2231 SCPYN(&c->name[0], pwent->pw_name);
2232 } else {
2233 (void) sprintf(&c->name[0], "%-8u", (int)uid);
2234 }
2235 c->initted = 1;
2236 }
2237 lastuid = uid;
2238 lastuname = &c->name[0];
2239 return (lastuname);
2240 }
2241
2242 /*
2243 * get name from cache, or group file for a given gid;
2244 * lastgid is set to gid.
2245 */
2246 static char *
2247 getgroup(gid_t gid)
2248 {
2249 struct group *grent;
2250 struct cachenode *c;
2251
2252 if ((gid == lastgid) && lastgname)
2253 return (lastgname);
2254
2255 c = findincache(&groups, gid);
2256 if (c->initted == 0) {
2257 if ((grent = getgrgid(gid)) != NULL) {
2258 SCPYN(&c->name[0], grent->gr_name);
2259 } else {
2260 (void) sprintf(&c->name[0], "%-8u", (int)gid);
2261 }
2262 c->initted = 1;
2263 }
2264 lastgid = gid;
2265 lastgname = &c->name[0];
2266 return (lastgname);
2267 }
2268
2269 /* return >0 if item pointed by pp2 should appear first */
2270 static int
2271 compar(struct lbuf **pp1, struct lbuf **pp2)
2272 {
2273 struct lbuf *p1, *p2;
2274
2275 p1 = *pp1;
2276 p2 = *pp2;
2277 if (dflg == 0) {
2278 /*
2279 * compare two names in ls-command one of which is file
2280 * and the other is a directory;
2281 * this portion is not used for comparing files within
2282 * a directory name of ls-command;
2283 */
2284 if (p1->lflags&ISARG && p1->ltype == 'd') {
2285 if (!(p2->lflags&ISARG && p2->ltype == 'd'))
2286 return (1);
2287 } else {
2288 if (p2->lflags&ISARG && p2->ltype == 'd')
2289 return (-1);
2290 }
2291 }
2292 if (tflg) {
2293 if (p2->lmtime.tv_sec > p1->lmtime.tv_sec)
2294 return (rflg);
2295 else if (p2->lmtime.tv_sec < p1->lmtime.tv_sec)
2296 return (-rflg);
2297 /* times are equal to the sec, check nsec */
2298 if (p2->lmtime.tv_nsec > p1->lmtime.tv_nsec)
2299 return (rflg);
2300 else if (p2->lmtime.tv_nsec < p1->lmtime.tv_nsec)
2301 return (-rflg);
2302 /* if times are equal, fall through and sort by name */
2303 } else if (Sflg) {
2304 /*
2305 * The size stored in lsize can be either the
2306 * size or the major minor number (in the case of
2307 * block and character special devices). If it's
2308 * a major minor number, then the size is considered
2309 * to be zero and we want to fall through and sort
2310 * by name. In addition, if the size of p2 is equal
2311 * to the size of p1 we want to fall through and
2312 * sort by name.
2313 */
2314 off_t p1size = (p1->ltype == 'b') ||
2315 (p1->ltype == 'c') ? 0 : p1->lsize;
2316 off_t p2size = (p2->ltype == 'b') ||
2317 (p2->ltype == 'c') ? 0 : p2->lsize;
2318 if (p2size > p1size) {
2319 return (rflg);
2320 } else if (p2size < p1size) {
2321 return (-rflg);
2322 }
2323 /* Sizes are equal, fall through and sort by name. */
2324 }
2325 return (rflg * strcoll(
2326 p1->lflags & ISARG ? p1->ln.namep : p1->ln.lname,
2327 p2->lflags&ISARG ? p2->ln.namep : p2->ln.lname));
2328 }
2329
2330 static void
2331 pprintf(char *s1, char *s2)
2332 {
2333 csi_pprintf((unsigned char *)s1);
2334 csi_pprintf((unsigned char *)s2);
2335 }
2336
2337 static void
2338 csi_pprintf(unsigned char *s)
2339 {
2340 unsigned char *cp;
2341 char c;
2342 int i;
2343 int c_len;
2344 int p_col;
2345 wchar_t pcode;
2346
2347 if (!qflg && !bflg) {
2348 for (cp = s; *cp != '\0'; cp++) {
2349 (void) putchar(*cp);
2350 curcol++;
2351 }
2352 return;
2353 }
2354
2355 for (cp = s; *cp; ) {
2356 if (isascii(c = *cp)) {
2357 if (!isprint(c)) {
2358 if (qflg) {
2359 c = '?';
2360 } else {
2361 curcol += 3;
2362 (void) putc('\\', stdout);
2363 c = '0' + ((*cp >> 6) & 07);
2364 (void) putc(c, stdout);
2365 c = '0' + ((*cp >> 3) & 07);
2366 (void) putc(c, stdout);
2367 c = '0' + (*cp & 07);
2368 }
2369 }
2370 curcol++;
2371 cp++;
2372 (void) putc(c, stdout);
2373 continue;
2374 }
2375
2376 if ((c_len = mbtowc(&pcode, (char *)cp, MB_LEN_MAX)) <= 0) {
2377 c_len = 1;
2378 goto not_print;
2379 }
2380
2381 if ((p_col = wcwidth(pcode)) > 0) {
2382 (void) putwchar(pcode);
2383 cp += c_len;
2384 curcol += p_col;
2385 continue;
2386 }
2387
2388 not_print:
2389 for (i = 0; i < c_len; i++) {
2390 if (qflg) {
2391 c = '?';
2392 } else {
2393 curcol += 3;
2394 (void) putc('\\', stdout);
2395 c = '0' + ((*cp >> 6) & 07);
2396 (void) putc(c, stdout);
2397 c = '0' + ((*cp >> 3) & 07);
2398 (void) putc(c, stdout);
2399 c = '0' + (*cp & 07);
2400 }
2401 curcol++;
2402 (void) putc(c, stdout);
2403 cp++;
2404 }
2405 }
2406 }
2407
2408 static int
2409 strcol(unsigned char *s1)
2410 {
2411 int w;
2412 int w_col;
2413 int len;
2414 wchar_t wc;
2415
2416 w = 0;
2417 while (*s1) {
2418 if (isascii(*s1)) {
2419 w++;
2420 s1++;
2421 continue;
2422 }
2423
2424 if ((len = mbtowc(&wc, (char *)s1, MB_LEN_MAX)) <= 0) {
2425 w++;
2426 s1++;
2427 continue;
2428 }
2429
2430 if ((w_col = wcwidth(wc)) < 0)
2431 w_col = len;
2432 s1 += len;
2433 w += w_col;
2434 }
2435 return (w);
2436 }
2437
2438 /* Get extended system attributes and set the display */
2439
2440 int
2441 get_sysxattr(char *fname, struct lbuf *rep)
2442 {
2443 boolean_t value;
2444 data_type_t type;
2445 int error;
2446 char *name;
2447 int i;
2448
2449 if ((error = getattrat(AT_FDCWD, XATTR_VIEW_READWRITE, fname,
2450 &response)) != 0) {
2451 perror("ls:getattrat");
2452 return (error);
2453 }
2454
2455 /*
2456 * Allocate 'sacnt' size array to hold extended timestamp
2457 * system attributes and initialize the array.
2458 */
2459 rep->extm = xmalloc(sacnt * sizeof (struct attrtm), rep);
2460 for (i = 0; i < sacnt; i++) {
2461 rep->extm[i].stm = 0;
2462 rep->extm[i].nstm = 0;
2463 rep->extm[i].name = NULL;
2464 }
2465 while ((pair = nvlist_next_nvpair(response, pair)) != NULL) {
2466 name = nvpair_name(pair);
2467 type = nvpair_type(pair);
2468 if (type == DATA_TYPE_BOOLEAN_VALUE) {
2469 error = nvpair_value_boolean_value(pair, &value);
2470 if (error) {
2471 (void) fprintf(stderr,
2472 gettext("nvpair_value_boolean_value "
2473 "failed: error = %d\n"), error);
2474 continue;
2475 }
2476 if (name != NULL)
2477 set_sysattrb_display(name, value, rep);
2478 continue;
2479 } else if (type == DATA_TYPE_UINT64_ARRAY) {
2480 if (name != NULL)
2481 set_sysattrtm_display(name, rep);
2482 continue;
2483 }
2484 }
2485 nvlist_free(response);
2486 return (0);
2487 }
2488
2489 /* Set extended system attribute boolean display */
2490
2491 void
2492 set_sysattrb_display(char *name, boolean_t val, struct lbuf *rep)
2493 {
2494 f_attr_t fattr;
2495 const char *opt;
2496 size_t len;
2497
2498 fattr = name_to_attr(name);
2499 if (fattr != F_ATTR_INVAL && fattr < sacnt) {
2500 if (vopt) {
2501 len = strlen(name);
2502 if (val) {
2503 rep->exttr[fattr].name = xmalloc(len + 1, rep);
2504 (void) strlcpy(rep->exttr[fattr].name, name,
2505 len + 1);
2506 } else {
2507 rep->exttr[fattr].name = xmalloc(len + 3, rep);
2508 (void) snprintf(rep->exttr[fattr].name, len + 3,
2509 "no%s", name);
2510 }
2511 } else {
2512 opt = attr_to_option(fattr);
2513 if (opt != NULL) {
2514 len = strlen(opt);
2515 rep->exttr[fattr].name = xmalloc(len + 1, rep);
2516 if (val)
2517 (void) strlcpy(rep->exttr[fattr].name,
2518 opt, len + 1);
2519 else
2520 (void) strlcpy(rep->exttr[fattr].name,
2521 "-", len + 1);
2522 }
2523 }
2524 }
2525 }
2526
2527 /* Set extended system attribute timestamp display */
2528
2529 void
2530 set_sysattrtm_display(char *name, struct lbuf *rep)
2531 {
2532 uint_t nelem;
2533 uint64_t *value;
2534 int i;
2535 size_t len;
2536
2537 if (nvpair_value_uint64_array(pair, &value, &nelem) == 0) {
2538 if (*value != (uintptr_t)NULL) {
2539 len = strlen(name);
2540 i = 0;
2541 while (rep->extm[i].stm != 0 && i < sacnt)
2542 i++;
2543 rep->extm[i].stm = value[0];
2544 rep->extm[i].nstm = value[1];
2545 rep->extm[i].name = xmalloc(len + 1, rep);
2546 (void) strlcpy(rep->extm[i].name, name, len + 1);
2547 }
2548 }
2549 }
2550
2551 void
2552 format_time(time_t sec, time_t nsec)
2553 {
2554 const char *fstr = time_fmt_new;
2555 char fmt_buf[FMTSIZE];
2556
2557 if (Eflg) {
2558 (void) snprintf(fmt_buf, FMTSIZE, fstr, nsec);
2559 (void) strftime(time_buf, sizeof (time_buf), fmt_buf,
2560 localtime(&sec));
2561 return;
2562 }
2563
2564 if (sec < year || sec > now)
2565 fstr = time_fmt_old;
2566
2567 /* if a custom time was specified, shouldn't be localized */
2568 (void) strftime(time_buf, sizeof (time_buf),
2569 (time_custom == 0) ? dcgettext(NULL, fstr, LC_TIME) : fstr,
2570 localtime(&sec));
2571 }
2572
2573 void
2574 format_attrtime(struct lbuf *p)
2575 {
2576 int tmattr = 0;
2577 int i;
2578
2579 if (p->extm != NULL) {
2580 for (i = 0; i < sacnt; i++) {
2581 if (p->extm[i].name != NULL) {
2582 tmattr = 1;
2583 break;
2584 }
2585 }
2586 }
2587
2588 if (tmattr) {
2589 const char *old_save = time_fmt_old;
2590 const char *new_save = time_fmt_new;
2591
2592 /* Eflg always sets format to FORMAT_ISO_FULL */
2593 if (!Eflg && !time_custom) {
2594 time_fmt_old = FORMAT_OLD;
2595 time_fmt_new = FORMAT_NEW;
2596 }
2597
2598 format_time((time_t)p->extm[i].stm, (time_t)p->extm[i].nstm);
2599
2600 time_fmt_old = old_save;
2601 time_fmt_new = new_save;
2602 }
2603 }
2604
2605 void
2606 print_time(struct lbuf *p)
2607 {
2608 const char *old_save = time_fmt_old;
2609 const char *new_save = time_fmt_new;
2610
2611 int i = 0;
2612
2613 if (!Eflg) {
2614 time_fmt_old = FORMAT_LONG;
2615 time_fmt_new = FORMAT_LONG;
2616 }
2617
2618 new_line();
2619 format_time(p->lat.tv_sec, p->lat.tv_nsec);
2620 (void) printf(" timestamp: atime %s\n", time_buf);
2621 format_time(p->lct.tv_sec, p->lct.tv_nsec);
2622 (void) printf(" timestamp: ctime %s\n", time_buf);
2623 format_time(p->lmt.tv_sec, p->lmt.tv_nsec);
2624 (void) printf(" timestamp: mtime %s\n", time_buf);
2625 if (p->extm != NULL) {
2626 while (p->extm[i].nstm != 0 && i < sacnt) {
2627 format_time(p->extm[i].stm, p->extm[i].nstm);
2628 if (p->extm[i].name != NULL) {
2629 (void) printf(" timestamp:"
2630 " %s %s\n",
2631 p->extm[i].name, time_buf);
2632 }
2633 i++;
2634 }
2635 }
2636
2637 time_fmt_old = old_save;
2638 time_fmt_new = new_save;
2639 }
2640
2641 /*
2642 * Check if color definition applies to entry, returns 1 if yes, 0 if no
2643 */
2644 static int
2645 color_match(const char *fname, mode_t mode, ls_color_t *color)
2646 {
2647 switch (color->ftype) {
2648 case LS_PAT:
2649 {
2650 size_t fname_len, sfx_len;
2651
2652 fname_len = strlen(fname);
2653 sfx_len = strlen(color->sfx);
2654 if (sfx_len > fname_len)
2655 return (0);
2656
2657 if (strcmp(color->sfx, fname + fname_len - sfx_len) == 0)
2658 return (1);
2659 else
2660 return (0);
2661 }
2662
2663 case LS_NORMAL:
2664 return (1);
2665
2666 case LS_FILE:
2667 return (S_ISREG(mode));
2668
2669 case LS_DIR:
2670 return (S_ISDIR(mode));
2671
2672 case LS_LINK:
2673 return (S_ISLNK(mode));
2674
2675 case LS_FIFO:
2676 return (S_ISFIFO(mode));
2677
2678 case LS_SOCK:
2679 return (S_ISSOCK(mode));
2680
2681 case LS_DOOR:
2682 return (S_ISDOOR(mode));
2683
2684 case LS_BLK:
2685 return (S_ISBLK(mode));
2686
2687 case LS_CHR:
2688 return (S_ISCHR(mode));
2689
2690 case LS_PORT:
2691 return (S_ISPORT(mode));
2692
2693 case LS_ORPHAN:
2694 /* this is tested for by gstat */
2695 return (0);
2696
2697 case LS_SETUID:
2698 return (!S_ISLNK(mode) && (mode & S_ISUID));
2699
2700 case LS_SETGID:
2701 return (!S_ISLNK(mode) && (mode & S_ISGID));
2702
2703 case LS_STICKY_OTHER_WRITABLE:
2704 return (!S_ISLNK(mode) && (mode & (S_IWOTH|S_ISVTX)));
2705
2706 case LS_OTHER_WRITABLE:
2707 return (!S_ISLNK(mode) && (mode & S_IWOTH));
2708
2709 case LS_STICKY:
2710 return (!S_ISLNK(mode) && (mode & S_ISVTX));
2711
2712 case LS_EXEC:
2713 return (!S_ISLNK(mode) && (mode & (S_IXUSR|S_IXGRP|S_IXOTH)));
2714 }
2715
2716 return (0);
2717 }
2718
2719 static void
2720 dump_color(ls_color_t *c)
2721 {
2722 if (c == NULL)
2723 return;
2724
2725 (void) printf("\n\ttype: ");
2726 switch (c->ftype) {
2727 case LS_NORMAL:
2728 (void) printf("LS_NORMAL");
2729 break;
2730 case LS_FILE:
2731 (void) printf("LS_FILE");
2732 break;
2733 case LS_EXEC:
2734 (void) printf("LS_EXEC");
2735 break;
2736 case LS_DIR:
2737 (void) printf("LS_DIR");
2738 break;
2739 case LS_LINK:
2740 (void) printf("LS_LINK");
2741 break;
2742
2743 case LS_FIFO:
2744 (void) printf("LS_FIFO");
2745 break;
2746
2747 case LS_SOCK:
2748 (void) printf("LS_SOCK");
2749 break;
2750
2751 case LS_DOOR:
2752 (void) printf("LS_DOOR");
2753 break;
2754
2755 case LS_BLK:
2756 (void) printf("LS_BLK");
2757 break;
2758
2759 case LS_CHR:
2760 (void) printf("LS_CHR");
2761 break;
2762
2763 case LS_PORT:
2764 (void) printf("LS_PORT");
2765 break;
2766
2767 case LS_STICKY:
2768 (void) printf("LS_STICKY");
2769 break;
2770
2771 case LS_ORPHAN:
2772 (void) printf("LS_ORPHAN");
2773 break;
2774
2775 case LS_SETGID:
2776 (void) printf("LS_SETGID");
2777 break;
2778
2779 case LS_SETUID:
2780 (void) printf("LS_SETUID");
2781 break;
2782
2783 case LS_OTHER_WRITABLE:
2784 (void) printf("LS_OTHER_WRITABLE");
2785 break;
2786
2787 case LS_STICKY_OTHER_WRITABLE:
2788 (void) printf("LS_STICKY_OTHER_WRITABLE");
2789 break;
2790
2791 case LS_PAT:
2792 (void) printf("LS_PAT\n");
2793 (void) printf("\tpattern: %s", c->sfx);
2794 break;
2795 }
2796 (void) printf("\n");
2797 (void) printf("\tattr: %d\n", c->attr);
2798 (void) printf("\tfg: %d\n", c->fg);
2799 (void) printf("\tbg: %d\n", c->bg);
2800 (void) printf("\t");
2801 }
2802
2803 static ls_color_t *
2804 ls_color_find(const char *fname, mode_t mode)
2805 {
2806 int i;
2807
2808 /*
2809 * Colors are sorted from most general lsc_colors[0] to most specific
2810 * lsc_colors[lsc_ncolors - 1] by ls_color_init(). Start search with
2811 * most specific color rule and work towards most general.
2812 */
2813 for (i = lsc_ncolors - 1; i >= 0; --i)
2814 if (color_match(fname, mode, &lsc_colors[i]))
2815 return (&lsc_colors[i]);
2816
2817 return (NULL);
2818 }
2819
2820 static void
2821 ls_tprint(char *str, long int p1, long int p2, long int p3, long int p4,
2822 long int p5, long int p6, long int p7, long int p8, long int p9)
2823 {
2824 char *s;
2825
2826 if (str == NULL)
2827 return;
2828
2829 s = tparm(str, p1, p2, p3, p4, p5, p6, p7, p8, p9);
2830
2831 if (s != NULL)
2832 (void) putp(s);
2833 }
2834
2835 static void
2836 ls_start_color(ls_color_t *c)
2837 {
2838 if (c == NULL)
2839 return;
2840
2841 if (lsc_debug)
2842 lsc_match = c;
2843
2844 if (c->attr & LSA_BOLD)
2845 ls_tprint(lsc_bold, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2846 if (c->attr & LSA_UNDERSCORE)
2847 ls_tprint(lsc_underline, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2848 if (c->attr & LSA_BLINK)
2849 ls_tprint(lsc_blink, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2850 if (c->attr & LSA_REVERSE)
2851 ls_tprint(lsc_reverse, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2852 if (c->attr & LSA_CONCEALED)
2853 ls_tprint(lsc_concealed, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2854 if (c->attr == LSA_NONE)
2855 ls_tprint(lsc_none, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2856
2857 if (c->fg != -1)
2858 ls_tprint(lsc_setfg, c->fg, 0, 0, 0, 0, 0, 0, 0, 0);
2859 if (c->bg != -1)
2860 ls_tprint(lsc_setbg, c->bg, 0, 0, 0, 0, 0, 0, 0, 0);
2861 }
2862
2863 static void
2864 ls_end_color()
2865 {
2866 ls_tprint(lsc_none, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2867 if (lsc_debug)
2868 dump_color(lsc_match);
2869 }
2870
2871 static void
2872 new_color_entry(char *colorstr)
2873 {
2874 static const struct {
2875 const char *s;
2876 ls_cftype_t stype;
2877 } type_map[] = {
2878 { "no", LS_NORMAL },
2879 { "fi", LS_FILE },
2880 { "di", LS_DIR },
2881 { "ln", LS_LINK },
2882 { "pi", LS_FIFO },
2883 { "so", LS_SOCK },
2884 { "do", LS_DOOR },
2885 { "bd", LS_BLK },
2886 { "cd", LS_CHR },
2887 { "or", LS_ORPHAN },
2888 { "su", LS_SETUID },
2889 { "sg", LS_SETGID },
2890 { "tw", LS_STICKY_OTHER_WRITABLE },
2891 { "ow", LS_OTHER_WRITABLE },
2892 { "st", LS_STICKY },
2893 { "ex", LS_EXEC },
2894 { "po", LS_PORT },
2895 { NULL, LS_NORMAL }
2896 };
2897
2898 char *p, *lasts;
2899 int i;
2900 int color, attr;
2901
2902 p = strtok_r(colorstr, "=", &lasts);
2903 if (p == NULL) {
2904 colorflg = 0;
2905 return;
2906 }
2907
2908 if (p[0] == '*') {
2909 lsc_colors[lsc_ncolors].ftype = LS_PAT;
2910 /* don't include the * in the suffix */
2911 if ((lsc_colors[lsc_ncolors].sfx = strdup(p + 1)) == NULL) {
2912 colorflg = 0;
2913 return;
2914 }
2915 } else {
2916 lsc_colors[lsc_ncolors].sfx = NULL;
2917
2918 for (i = 0; type_map[i].s != NULL; ++i) {
2919 if (strncmp(type_map[i].s, p, 2) == 0)
2920 break;
2921 }
2922
2923 /* ignore unknown file types */
2924 if (type_map[i].s == NULL)
2925 return;
2926
2927 lsc_colors[lsc_ncolors].ftype = type_map[i].stype;
2928 }
2929
2930 attr = LSA_NONE;
2931 lsc_colors[lsc_ncolors].fg = -1;
2932 lsc_colors[lsc_ncolors].bg = -1;
2933 for (p = strtok_r(NULL, ";", &lasts); p != NULL;
2934 p = strtok_r(NULL, ";", &lasts)) {
2935 color = strtol(p, NULL, 10);
2936
2937 if (color < 10) {
2938 switch (color) {
2939 case 0:
2940 attr = LSA_NONE;
2941 continue;
2942 case 1:
2943 attr |= LSA_BOLD;
2944 continue;
2945 case 4:
2946 attr |= LSA_UNDERSCORE;
2947 continue;
2948 case 5:
2949 attr |= LSA_BLINK;
2950 continue;
2951 case 7:
2952 attr |= LSA_REVERSE;
2953 continue;
2954 case 8:
2955 attr |= LSA_CONCEALED;
2956 continue;
2957 default:
2958 continue;
2959 }
2960 }
2961
2962 if (color < 40)
2963 lsc_colors[lsc_ncolors].fg = color - 30;
2964 else
2965 lsc_colors[lsc_ncolors].bg = color - 40;
2966 }
2967
2968 lsc_colors[lsc_ncolors].attr = attr;
2969 ++lsc_ncolors;
2970 }
2971
2972 static int
2973 ls_color_compare(const void *p1, const void *p2)
2974 {
2975 const ls_color_t *c1 = (const ls_color_t *)p1;
2976 const ls_color_t *c2 = (const ls_color_t *)p2;
2977
2978 int ret = c1->ftype - c2->ftype;
2979
2980 if (ret != 0)
2981 return (ret);
2982
2983 if (c1->ftype != LS_PAT)
2984 return (ret);
2985
2986 return (strcmp(c1->sfx, c2->sfx));
2987 }
2988
2989 static void
2990 ls_color_init()
2991 {
2992 static char *default_colorstr = "no=00:fi=00:di=01;34:ln=01;36:po=01;35"
2993 ":pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01"
2994 ":su=37;41:sg=30;43:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31"
2995 ":*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31"
2996 ":*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31"
2997 ":*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35"
2998 ":*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35"
2999 ":*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35"
3000 ":*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35"
3001 ":*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.flac=01;35"
3002 ":*.mp3=01;35:*.mpc=01;35:*.ogg=01;35:*.wav=01;35";
3003
3004 char *colorstr;
3005 char *p, *lasts;
3006 size_t color_sz;
3007 int termret;
3008 int i;
3009
3010 (void) setupterm(NULL, 1, &termret);
3011 if (termret != 1)
3012 return;
3013
3014 if ((p = getenv("LS_COLORS")) == NULL)
3015 p = default_colorstr;
3016 colorstr = strdup(p);
3017 if (colorstr == NULL)
3018 return;
3019
3020 /*
3021 * Determine the size of lsc_colors. color_sz can be > lsc_ncolors
3022 * if there are invalid entries passed in the string (they are ignored)
3023 */
3024 color_sz = 1;
3025 for (p = strchr(colorstr, ':'); p != NULL && *p != '\0';
3026 p = strchr(++p, ':'))
3027 ++color_sz;
3028
3029 lsc_colors = calloc(color_sz, sizeof (ls_color_t));
3030 if (lsc_colors == NULL) {
3031 free(colorstr);
3032 return;
3033 }
3034
3035 for (p = strtok_r(colorstr, ":", &lasts);
3036 p != NULL && lsc_ncolors < color_sz;
3037 p = strtok_r(NULL, ":", &lasts))
3038 new_color_entry(p);
3039
3040 qsort((void *)lsc_colors, lsc_ncolors, sizeof (ls_color_t),
3041 ls_color_compare);
3042
3043 for (i = 0; i < lsc_ncolors; ++i)
3044 if (lsc_colors[i].ftype == LS_ORPHAN) {
3045 lsc_orphan = &lsc_colors[i];
3046 break;
3047 }
3048
3049 if ((lsc_bold = tigetstr("bold")) == (char *)-1)
3050 lsc_bold = NULL;
3051
3052 if ((lsc_underline = tigetstr("smul")) == (char *)-1)
3053 lsc_underline = NULL;
3054
3055 if ((lsc_blink = tigetstr("blink")) == (char *)-1)
3056 lsc_blink = NULL;
3057
3058 if ((lsc_reverse = tigetstr("rev")) == (char *)-1)
3059 lsc_reverse = NULL;
3060
3061 if ((lsc_concealed = tigetstr("prot")) == (char *)-1)
3062 lsc_concealed = NULL;
3063
3064 if ((lsc_none = tigetstr("sgr0")) == (char *)-1)
3065 lsc_none = NULL;
3066
3067 if ((lsc_setfg = tigetstr("setaf")) == (char *)-1)
3068 lsc_setfg = NULL;
3069
3070 if ((lsc_setbg = tigetstr("setab")) == (char *)-1)
3071 lsc_setbg = NULL;
3072
3073 if (getenv("_LS_COLOR_DEBUG") != NULL) {
3074 int i;
3075
3076 lsc_debug = 1;
3077 for (i = 0; i < lsc_ncolors; ++i)
3078 dump_color(&lsc_colors[i]);
3079 }
3080
3081 free(colorstr);
3082 }
3083
3084 /* Free extended system attribute lists */
3085
3086 void
3087 free_sysattr(struct lbuf *p)
3088 {
3089 int i;
3090
3091 if (p->exttr != NULL) {
3092 for (i = 0; i < sacnt; i++) {
3093 free(p->exttr[i].name);
3094 }
3095 free(p->exttr);
3096 }
3097 if (p->extm != NULL) {
3098 for (i = 0; i < sacnt; i++) {
3099 free(p->extm[i].name);
3100 }
3101 free(p->extm);
3102 }
3103 }
3104
3105 /* Allocate extended system attribute list */
3106
3107 void *
3108 xmalloc(size_t size, struct lbuf *p)
3109 {
3110 if ((p = malloc(size)) == NULL) {
3111 perror("ls");
3112 free_sysattr(p);
3113 nvlist_free(response);
3114 exit(2);
3115 }
3116 return (p);
3117 }