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add UNLEASHED_OBJ to unleashed.mk
[unleashed/tickless.git] / usr / src / cmd / ls / ls.c
blob6d8e869cb37e9d6ab72884630f70956422cc211c
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 2009 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 NUMBER_WIDTH 40
127 #define FMTSIZE 50
128
129 struct ditem {
130 dev_t dev; /* directory items device number */
131 ino_t ino; /* directory items inode number */
132 struct ditem *parent; /* dir items ptr to its parent's info */
133 };
134 /* Holds boolean extended system attributes */
135 struct attrb {
136 char *name;
137 };
138 /* Holds timestamp extended system attributes */
139 struct attrtm {
140 char *name;
141 uint64_t stm;
142 uint64_t nstm;
143 };
144
145 #define LSA_NONE (0)
146 #define LSA_BOLD (1L << 0)
147 #define LSA_UNDERSCORE (1L << 1)
148 #define LSA_BLINK (1L << 2)
149 #define LSA_REVERSE (1L << 3)
150 #define LSA_CONCEALED (1L << 4)
151
152 /* these should be ordered most general to most specific */
153 typedef enum LS_CFTYPE {
154 LS_NORMAL,
155 LS_FILE,
156 LS_EXEC,
157 LS_DIR,
158 LS_LINK,
159 LS_FIFO,
160 LS_SOCK,
161 LS_DOOR,
162 LS_BLK,
163 LS_CHR,
164 LS_PORT,
165 LS_STICKY,
166 LS_ORPHAN,
167 LS_SETGID,
168 LS_SETUID,
169 LS_OTHER_WRITABLE,
170 LS_STICKY_OTHER_WRITABLE,
171 LS_PAT
172 } ls_cftype_t;
173
174 typedef struct {
175 char *sfx;
176 ls_cftype_t ftype;
177 int attr;
178 int fg;
179 int bg;
180 } ls_color_t;
181
182 struct lbuf {
183 union {
184 char lname[MAXNAMLEN]; /* used for filename in a directory */
185 char *namep; /* for name in ls-command; */
186 } ln;
187 char ltype; /* filetype */
188 ino_t lnum; /* inode number of file */
189 mode_t lflags; /* 0777 bits used as r,w,x permissions */
190 nlink_t lnl; /* number of links to file */
191 uid_t luid;
192 gid_t lgid;
193 off_t lsize; /* filesize or major/minor dev numbers */
194 blkcnt_t lblocks; /* number of file blocks */
195 timestruc_t lmtime;
196 timestruc_t lat;
197 timestruc_t lct;
198 timestruc_t lmt;
199 char *flinkto; /* symbolic link contents */
200 char acl; /* indicate there are additional acl entries */
201 int cycle; /* cycle detected flag */
202 struct ditem *ancinfo; /* maintains ancestor info */
203 acl_t *aclp; /* ACL if present */
204 struct attrb *exttr; /* boolean extended system attributes */
205 struct attrtm *extm; /* timestamp extended system attributes */
206 ls_color_t *color; /* color for entry */
207 ls_color_t *link_color; /* color for symlink */
208 };
209
210 struct dchain {
211 char *dc_name; /* path name */
212 int cycle_detected; /* cycle detected visiting this directory */
213 struct ditem *myancinfo; /* this directory's ancestry info */
214 struct dchain *dc_next; /* next directory in the chain */
215 };
216
217 /*
218 * A numbuf_t is used when converting a number to a string representation
219 */
220 typedef char numbuf_t[NUMBER_WIDTH];
221
222 static struct dchain *dfirst; /* start of the dir chain */
223 static struct dchain *cdfirst; /* start of the current dir chain */
224 static struct dchain *dtemp; /* temporary - used for linking */
225 static char *curdir; /* the current directory */
226
227 static int first = 1; /* true if first line is not yet printed */
228 static int nfiles = 0; /* number of flist entries in current use */
229 static int nargs = 0; /* number of flist entries used for arguments */
230 static int maxfils = 0; /* number of flist/lbuf entries allocated */
231 static int maxn = 0; /* number of flist entries with lbufs asigned */
232 static int quantn = 64; /* allocation growth quantum */
233
234 static struct lbuf *nxtlbf; /* ptr to next lbuf to be assigned */
235 static struct lbuf **flist; /* ptr to list of lbuf pointers */
236 static struct lbuf *gstat(char *, int, struct ditem *);
237 static char *getname(uid_t);
238 static char *getgroup(gid_t);
239 static char *makename(char *, char *);
240 static void pentry(struct lbuf *);
241 static void column(void);
242 static void pmode(mode_t aflag);
243 static void selection(int *);
244 static void new_line(void);
245 static void rddir(char *, struct ditem *);
246 static int strcol(unsigned char *);
247 static void pem(struct lbuf **, struct lbuf **, int);
248 static void pdirectory(char *, int, int, int, struct ditem *);
249 static struct cachenode *findincache(struct cachenode **, long);
250 static void csi_pprintf(unsigned char *);
251 static void pprintf(char *, char *);
252 static int compar(struct lbuf **pp1, struct lbuf **pp2);
253 static char *number_to_scaled_string(numbuf_t buf,
254 unsigned long long number,
255 long scale);
256 static void record_ancestry(char *, struct stat *, struct lbuf *,
257 int, struct ditem *);
258 static void ls_color_init(void);
259 static ls_color_t *ls_color_find(const char *, mode_t);
260 static void ls_start_color(ls_color_t *);
261 static void ls_end_color(void);
262
263 static int aflg;
264 static int atflg;
265 static int bflg;
266 static int cflg;
267 static int dflg;
268 static int eflg;
269 static int fflg;
270 static int gflg;
271 static int hflg;
272 static int iflg;
273 static int lflg;
274 static int mflg;
275 static int nflg;
276 static int oflg;
277 static int pflg;
278 static int qflg;
279 static int rflg = 1; /* init to 1 for special use in compar */
280 static int sflg;
281 static int tflg;
282 static int uflg;
283 static int Uflg;
284 static int wflg;
285 static int xflg;
286 static int Aflg;
287 static int Bflg;
288 static int Cflg;
289 static int Eflg;
290 static int Fflg;
291 static int Hflg;
292 static int Lflg;
293 static int Rflg;
294 static int Sflg;
295 static int vflg;
296 static int Vflg;
297 static int saflg; /* boolean extended system attr. */
298 static int sacnt; /* number of extended system attr. */
299 static int copt;
300 static int vopt;
301 static int tmflg; /* create time ext. system attr. */
302 static int ctm;
303 static int atm;
304 static int mtm;
305 static int crtm;
306 static int alltm;
307 static long hscale;
308 static mode_t flags;
309 static int err = 0; /* Contains return code */
310 static int colorflg;
311 static int file_typeflg;
312 static int noflist = 0;
313
314 static uid_t lastuid = (uid_t)-1;
315 static gid_t lastgid = (gid_t)-1;
316 static char *lastuname = NULL;
317 static char *lastgname = NULL;
318
319 /* statreq > 0 if any of sflg, (n)lflg, tflg, Sflg, colorflg are on */
320 static int statreq;
321
322 static uint64_t block_size = 1;
323 static char *dotp = ".";
324
325 static u_longlong_t tblocks; /* number of blocks of files in a directory */
326 static time_t year, now;
327
328 static int num_cols = 80;
329 static int colwidth;
330 static int filewidth;
331 static int fixedwidth;
332 static int nomocore;
333 static int curcol;
334
335 static struct winsize win;
336
337 /* if time_fmt_new is left NULL, time_fmt_old is used for all times */
338 static const char *time_fmt_old = FORMAT_OLD; /* non-recent files */
339 static const char *time_fmt_new = FORMAT_NEW; /* recent files */
340 static int time_custom; /* != 0 if a custom format */
341 static char time_buf[FMTSIZE]; /* array to hold day and time */
342
343 static int lsc_debug;
344 static ls_color_t *lsc_match;
345 static ls_color_t *lsc_colors;
346 static size_t lsc_ncolors;
347 static char *lsc_bold;
348 static char *lsc_underline;
349 static char *lsc_blink;
350 static char *lsc_reverse;
351 static char *lsc_concealed;
352 static char *lsc_none;
353 static char *lsc_setfg;
354 static char *lsc_setbg;
355 static ls_color_t *lsc_orphan;
356
357 #define NOTWORKINGDIR(d, l) (((l) < 2) || \
358 (strcmp((d) + (l) - 2, "/.") != 0))
359
360 #define NOTPARENTDIR(d, l) (((l) < 3) || \
361 (strcmp((d) + (l) - 3, "/..") != 0))
362 /* Extended system attributes support */
363 static int get_sysxattr(char *, struct lbuf *);
364 static void set_sysattrb_display(char *, boolean_t, struct lbuf *);
365 static void set_sysattrtm_display(char *, struct lbuf *);
366 static void format_time(time_t, time_t);
367 static void print_time(struct lbuf *);
368 static void format_attrtime(struct lbuf *);
369 static void *xmalloc(size_t, struct lbuf *);
370 static void free_sysattr(struct lbuf *);
371 static nvpair_t *pair;
372 static nvlist_t *response;
373 static int acl_err;
374
375 const struct option long_options[] = {
376 { "all", no_argument, NULL, 'a' },
377 { "almost-all", no_argument, NULL, 'A' },
378 { "escape", no_argument, NULL, 'b' },
379 { "classify", no_argument, NULL, 'F' },
380 { "human-readable", no_argument, NULL, 'h' },
381 { "dereference", no_argument, NULL, 'L' },
382 { "dereference-command-line", no_argument, NULL, 'H' },
383 { "ignore-backups", no_argument, NULL, 'B' },
384 { "inode", no_argument, NULL, 'i' },
385 { "numeric-uid-gid", no_argument, NULL, 'n' },
386 { "no-group", no_argument, NULL, 'o' },
387 { "hide-control-chars", no_argument, NULL, 'q' },
388 { "reverse", no_argument, NULL, 'r' },
389 { "recursive", no_argument, NULL, 'R' },
390 { "size", no_argument, NULL, 's' },
391 { "width", required_argument, NULL, 'w' },
392
393 /* no short options for these */
394 { "block-size", required_argument, NULL, 0 },
395 { "full-time", no_argument, NULL, 0 },
396 { "si", no_argument, NULL, 0 },
397 { "color", optional_argument, NULL, 0 },
398 { "colour", optional_argument, NULL, 0},
399 { "file-type", no_argument, NULL, 0 },
400 { "time-style", required_argument, NULL, 0 },
401
402 {0, 0, 0, 0}
403 };
404
405 int
406 main(int argc, char *argv[])
407 {
408 int c;
409 int i;
410 int width;
411 int amino = 0;
412 int opterr = 0;
413 int option_index = 0;
414 struct lbuf *ep;
415 struct lbuf lb;
416 struct ditem *myinfo = NULL;
417
418 (void) setlocale(LC_ALL, "");
419 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
420 #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
421 #endif
422 (void) textdomain(TEXT_DOMAIN);
423 #ifdef STANDALONE
424 if (argv[0][0] == '\0')
425 argc = getargv("ls", &argv, 0);
426 #endif
427
428 lb.lmtime.tv_sec = time(NULL);
429 lb.lmtime.tv_nsec = 0;
430 year = lb.lmtime.tv_sec - 6L*30L*24L*60L*60L; /* 6 months ago */
431 now = lb.lmtime.tv_sec + 60;
432 if (isatty(1)) {
433 Cflg = 1;
434 mflg = 0;
435 }
436
437 while ((c = getopt_long(argc, argv,
438 "aAbBcCdeEfFghHiklLmnopqrRsStuUw:x1@vV/:%:", long_options,
439 &option_index)) != -1)
440 switch (c) {
441 case 0:
442 /* non-short options */
443 if (strcmp(long_options[option_index].name,
444 "color") == 0 ||
445 strcmp(long_options[option_index].name,
446 "colour") == 0) {
447 if (optarg == NULL ||
448 strcmp(optarg, "always") == 0 ||
449 strcmp(optarg, "yes") == 0 ||
450 strcmp(optarg, "force") == 0) {
451 colorflg++;
452 statreq++;
453 continue;
454 }
455
456 if (strcmp(optarg, "auto") == 0 ||
457 strcmp(optarg, "tty") == 0 ||
458 strcmp(optarg, "if-tty") == 0) {
459 if (isatty(1) == 1) {
460 colorflg++;
461 statreq++;
462 }
463 continue;
464 }
465
466 if (strcmp(optarg, "never") == 0 ||
467 strcmp(optarg, "no") == 0 ||
468 strcmp(optarg, "none") == 0) {
469 colorflg = 0;
470 continue;
471 }
472 (void) fprintf(stderr,
473 gettext("Invalid argument '%s' for "
474 "--color\n"), optarg);
475 ++opterr;
476 continue;
477 }
478
479 if (strcmp(long_options[option_index].name,
480 "si") == 0) {
481 hflg++;
482 hscale = 1000;
483 continue;
484 }
485
486 if (strcmp(long_options[option_index].name,
487 "block-size") == 0) {
488 size_t scale_len = strlen(optarg);
489 uint64_t scale = 1;
490 uint64_t kilo = 1024;
491 char scale_c;
492
493 if (scale_len == 0) {
494 (void) fprintf(stderr, gettext(
495 "Invalid block size \'%s\'\n"),
496 optarg);
497 exit(1);
498 }
499
500 scale_c = optarg[scale_len - 1];
501 if (scale_c == 'B') {
502 /* need at least digit, scale, B */
503 if (scale_len < 3) {
504 (void) fprintf(stderr, gettext(
505 "Invalid block size "
506 "\'%s\'\n"), optarg);
507 exit(1);
508 }
509 kilo = 1000;
510 scale_c = optarg[scale_len - 2];
511 if (isdigit(scale_c)) {
512 (void) fprintf(stderr,
513 gettext("Invalid block size"
514 " \'%s\'\n"), optarg);
515 exit(1);
516 }
517 /*
518 * make optarg[scale_len - 1] point to
519 * the scale factor
520 */
521 --scale_len;
522 }
523
524 switch (scale_c) {
525 case 'y':
526 case 'Y':
527 scale *= kilo;
528 /*FALLTHROUGH*/
529 case 'Z':
530 case 'z':
531 scale *= kilo;
532 /*FALLTHROUGH*/
533 case 'E':
534 case 'e':
535 scale *= kilo;
536 /*FALLTHROUGH*/
537 case 'P':
538 case 'p':
539 scale *= kilo;
540 /*FALLTHROUGH*/
541 case 'T':
542 case 't':
543 scale *= kilo;
544 /*FALLTHROUGH*/
545 case 'G':
546 case 'g':
547 scale *= kilo;
548 /*FALLTHROUGH*/
549 case 'M':
550 case 'm':
551 scale *= kilo;
552 /*FALLTHROUGH*/
553 case 'K':
554 case 'k':
555 scale *= kilo;
556 break;
557 default:
558 if (!isdigit(scale_c)) {
559 (void) fprintf(stderr,
560 gettext("Invalid character "
561 "following block size in "
562 "\'%s\'\n"), optarg);
563 exit(1);
564 }
565 }
566
567 /* NULL out scale constant if present */
568 if (scale > 1 && !isdigit(scale_c))
569 optarg[scale_len - 1] = '\0';
570
571 /* Based on testing, this is what GNU ls does */
572 block_size = strtoll(optarg, NULL, 0) * scale;
573 if (block_size < 1) {
574 (void) fprintf(stderr,
575 gettext("Invalid block size "
576 "\'%s\'\n"), optarg);
577 exit(1);
578 }
579 continue;
580 }
581
582 if (strcmp(long_options[option_index].name,
583 "file-type") == 0) {
584 file_typeflg++;
585 Fflg++;
586 statreq++;
587 continue;
588 }
589
590
591 if (strcmp(long_options[option_index].name,
592 "full-time") == 0) {
593 Eflg++;
594 statreq++;
595 eflg = 0;
596 time_fmt_old = FORMAT_ISO_FULL;
597 time_fmt_new = FORMAT_ISO_FULL;
598 continue;
599 }
600
601 if (strcmp(long_options[option_index].name,
602 "time-style") == 0) {
603 /* like -E, but doesn't imply -l */
604 if (strcmp(optarg, "full-iso") == 0) {
605 Eflg++;
606 statreq++;
607 eflg = 0;
608 time_fmt_old = FORMAT_ISO_FULL;
609 time_fmt_new = FORMAT_ISO_FULL;
610 continue;
611 }
612 if (strcmp(optarg, "long-iso") == 0) {
613 statreq++;
614 Eflg = 0;
615 eflg = 0;
616 time_fmt_old = FORMAT_ISO_LONG;
617 time_fmt_new = FORMAT_ISO_LONG;
618 continue;
619 }
620 if (strcmp(optarg, "iso") == 0) {
621 statreq++;
622 Eflg = 0;
623 eflg = 0;
624 time_fmt_old = FORMAT_ISO_OLD;
625 time_fmt_new = FORMAT_ISO_NEW;
626 continue;
627 }
628 /* should be the default */
629 if (strcmp(optarg, "locale") == 0) {
630 time_fmt_old = FORMAT_OLD;
631 time_fmt_new = FORMAT_NEW;
632 continue;
633 }
634 if (optarg[0] == '+') {
635 char *told, *tnew;
636 char *p;
637 size_t timelen = strlen(optarg);
638
639 p = strchr(optarg, '\n');
640 if (p != NULL)
641 *p++ = '\0';
642
643 /*
644 * Time format requires a leading and
645 * trailing space
646 * Add room for 3 spaces + 2 nulls
647 * The + in optarg is replaced with
648 * a space.
649 */
650 timelen += 2 + 3;
651 told = malloc(timelen);
652 if (told == NULL) {
653 perror("ls");
654 exit(2);
655 }
656
657 (void) memset(told, 0, timelen);
658 told[0] = ' ';
659 (void) strlcat(told, &optarg[1],
660 timelen);
661 (void) strlcat(told, " ", timelen);
662
663 if (p != NULL) {
664 size_t tnew_len;
665
666 tnew = told + strlen(told) + 1;
667 tnew_len = timelen -
668 strlen(told) - 1;
669
670 tnew[0] = ' ';
671 (void) strlcat(tnew, p,
672 tnew_len);
673 (void) strlcat(tnew, " ",
674 tnew_len);
675 time_fmt_new =
676 (const char *)tnew;
677 } else {
678 time_fmt_new =
679 (const char *)told;
680 }
681
682 time_fmt_old = (const char *)told;
683 time_custom = 1;
684 continue;
685 }
686 continue;
687 }
688
689 continue;
690
691 case 'a':
692 aflg++;
693 continue;
694 case 'A':
695 Aflg++;
696 continue;
697 case 'b':
698 bflg = 1;
699 qflg = 0;
700 continue;
701 case 'B':
702 Bflg = 1;
703 continue;
704 case 'c':
705 uflg = 0;
706 atm = 0;
707 ctm = 0;
708 mtm = 0;
709 crtm = 0;
710 cflg++;
711 continue;
712 case 'C':
713 Cflg = 1;
714 mflg = 0;
715 #ifdef XPG4
716 lflg = 0;
717 #endif
718 continue;
719 case 'd':
720 dflg++;
721 continue;
722 case 'e':
723 eflg++;
724 lflg++;
725 statreq++;
726 Eflg = 0;
727 time_fmt_old = FORMAT_LONG;
728 time_fmt_new = FORMAT_LONG;
729 continue;
730 case 'E':
731 Eflg++;
732 lflg++;
733 statreq++;
734 eflg = 0;
735 time_fmt_old = FORMAT_ISO_FULL;
736 time_fmt_new = FORMAT_ISO_FULL;
737 continue;
738 case 'f':
739 fflg++;
740 continue;
741 case 'F':
742 Fflg++;
743 statreq++;
744 continue;
745 case 'g':
746 gflg++;
747 lflg++;
748 statreq++;
749 continue;
750 case 'h':
751 hflg++;
752 hscale = 1024;
753 continue;
754 case 'H':
755 Hflg++;
756 /* -H and -L are mutually exclusive */
757 Lflg = 0;
758 continue;
759 case 'i':
760 iflg++;
761 continue;
762 case 'k':
763 block_size = 1024;
764 continue;
765 case 'l':
766 lflg++;
767 statreq++;
768 Cflg = 0;
769 xflg = 0;
770 mflg = 0;
771 atflg = 0;
772 continue;
773 case 'L':
774 Lflg++;
775 /* -H and -L are mutually exclusive */
776 Hflg = 0;
777 continue;
778 case 'm':
779 Cflg = 0;
780 mflg = 1;
781 #ifdef XPG4
782 lflg = 0;
783 #endif
784 continue;
785 case 'n':
786 nflg++;
787 lflg++;
788 statreq++;
789 Cflg = 0;
790 xflg = 0;
791 mflg = 0;
792 atflg = 0;
793 continue;
794 case 'o':
795 oflg++;
796 lflg++;
797 statreq++;
798 continue;
799 case 'p':
800 pflg++;
801 statreq++;
802 continue;
803 case 'q':
804 qflg = 1;
805 bflg = 0;
806 continue;
807 case 'r':
808 rflg = -1;
809 continue;
810 case 'R':
811 Rflg++;
812 statreq++;
813 continue;
814 case 's':
815 sflg++;
816 statreq++;
817 continue;
818 case 'S':
819 tflg = 0;
820 Uflg = 0;
821 Sflg++;
822 statreq++;
823 continue;
824 case 't':
825 Sflg = 0;
826 Uflg = 0;
827 tflg++;
828 statreq++;
829 continue;
830 case 'U':
831 Sflg = 0;
832 tflg = 0;
833 Uflg++;
834 continue;
835 case 'u':
836 cflg = 0;
837 atm = 0;
838 ctm = 0;
839 mtm = 0;
840 crtm = 0;
841 uflg++;
842 continue;
843 case 'V':
844 Vflg++;
845 /*FALLTHROUGH*/
846 case 'v':
847 vflg++;
848 #if !defined(XPG4)
849 if (lflg)
850 continue;
851 #endif
852 lflg++;
853 statreq++;
854 Cflg = 0;
855 xflg = 0;
856 mflg = 0;
857 continue;
858 case 'w':
859 wflg++;
860 num_cols = atoi(optarg);
861 continue;
862 case 'x':
863 xflg = 1;
864 Cflg = 1;
865 mflg = 0;
866 #ifdef XPG4
867 lflg = 0;
868 #endif
869 continue;
870 case '1':
871 Cflg = 0;
872 continue;
873 case '@':
874 #if !defined(XPG4)
875 /*
876 * -l has precedence over -@
877 */
878 if (lflg)
879 continue;
880 #endif
881 atflg++;
882 lflg++;
883 statreq++;
884 Cflg = 0;
885 xflg = 0;
886 mflg = 0;
887 continue;
888 case '/':
889 saflg++;
890 if (optarg != NULL) {
891 if (strcmp(optarg, "c") == 0) {
892 copt++;
893 vopt = 0;
894 } else if (strcmp(optarg, "v") == 0) {
895 vopt++;
896 copt = 0;
897 } else
898 opterr++;
899 } else
900 opterr++;
901 lflg++;
902 statreq++;
903 Cflg = 0;
904 xflg = 0;
905 mflg = 0;
906 continue;
907 case '%':
908 tmflg++;
909 if (optarg != NULL) {
910 if (strcmp(optarg, "ctime") == 0) {
911 ctm++;
912 atm = 0;
913 mtm = 0;
914 crtm = 0;
915 } else if (strcmp(optarg, "atime") == 0) {
916 atm++;
917 ctm = 0;
918 mtm = 0;
919 crtm = 0;
920 uflg = 0;
921 cflg = 0;
922 } else if (strcmp(optarg, "mtime") == 0) {
923 mtm++;
924 atm = 0;
925 ctm = 0;
926 crtm = 0;
927 uflg = 0;
928 cflg = 0;
929 } else if (strcmp(optarg, "crtime") == 0) {
930 crtm++;
931 atm = 0;
932 ctm = 0;
933 mtm = 0;
934 uflg = 0;
935 cflg = 0;
936 } else if (strcmp(optarg, "all") == 0) {
937 alltm++;
938 atm = 0;
939 ctm = 0;
940 mtm = 0;
941 crtm = 0;
942 } else
943 opterr++;
944 } else
945 opterr++;
946
947 Sflg = 0;
948 statreq++;
949 mflg = 0;
950 continue;
951 case '?':
952 opterr++;
953 continue;
954 }
955
956 if (opterr) {
957 (void) fprintf(stderr, gettext(
958 "usage: ls -aAbBcCdeEfFghHiklLmnopqrRsStuUwxvV1@/%[c | v]"
959 "%%[atime | crtime | ctime | mtime | all]"
960 " [files]\n"));
961 exit(2);
962 }
963
964 if (fflg) {
965 aflg++;
966 lflg = 0;
967 sflg = 0;
968 tflg = 0;
969 Sflg = 0;
970 statreq = 0;
971 }
972
973 fixedwidth = 2;
974 if (pflg || Fflg)
975 fixedwidth++;
976 if (iflg)
977 fixedwidth += 11;
978 if (sflg)
979 fixedwidth += 5;
980
981 if (lflg) {
982 if (!gflg && !oflg)
983 gflg = oflg = 1;
984 else
985 if (gflg && oflg)
986 gflg = oflg = 0;
987 Cflg = mflg = 0;
988 }
989
990 if (!wflg && (Cflg || mflg)) {
991 char *clptr;
992 if ((clptr = getenv("COLUMNS")) != NULL)
993 num_cols = atoi(clptr);
994 #ifdef TERMINFO
995 else {
996 if (ioctl(1, TIOCGWINSZ, &win) != -1)
997 num_cols = (win.ws_col == 0 ? 80 : win.ws_col);
998 }
999 #endif
1000 }
1001
1002 /*
1003 * When certain options (-f, or -U and -1, and not -l, etc.) are
1004 * specified, don't cache each dirent as it's read. This 'noflist'
1005 * option is set when there's no need to cache those dirents; instead,
1006 * print them out as they're read.
1007 */
1008 if ((Uflg || fflg) && !Cflg && !lflg && !iflg && statreq == 0)
1009 noflist = 1;
1010
1011 if (num_cols < 20 || num_cols > 1000)
1012 /* assume it is an error */
1013 num_cols = 80;
1014
1015 /* allocate space for flist and the associated */
1016 /* data structures (lbufs) */
1017 maxfils = quantn;
1018 if (((flist = malloc(maxfils * sizeof (struct lbuf *))) == NULL) ||
1019 ((nxtlbf = malloc(quantn * sizeof (struct lbuf))) == NULL)) {
1020 perror("ls");
1021 exit(2);
1022 }
1023 if ((amino = (argc-optind)) == 0) {
1024 /*
1025 * case when no names are given
1026 * in ls-command and current
1027 * directory is to be used
1028 */
1029 argv[optind] = dotp;
1030 }
1031
1032 if (colorflg)
1033 ls_color_init();
1034
1035 for (i = 0; i < (amino ? amino : 1); i++) {
1036
1037 /*
1038 * If we are recursing, we need to make sure we don't
1039 * get into an endless loop. To keep track of the inodes
1040 * (actually, just the directories) visited, we
1041 * maintain a directory ancestry list for a file
1042 * hierarchy. As we go deeper into the hierarchy,
1043 * a parent directory passes its directory list
1044 * info (device id, inode number, and a pointer to
1045 * its parent) to each of its children. As we
1046 * process a child that is a directory, we save
1047 * its own personal directory list info. We then
1048 * check to see if the child has already been
1049 * processed by comparing its device id and inode
1050 * number from its own personal directory list info
1051 * to that of each of its ancestors. If there is a
1052 * match, then we know we've detected a cycle.
1053 */
1054 if (Rflg) {
1055 /*
1056 * This is the first parent in this lineage
1057 * (first in a directory hierarchy), so
1058 * this parent's parent doesn't exist. We
1059 * only initialize myinfo when we are
1060 * recursing, otherwise it's not used.
1061 */
1062 if ((myinfo = (struct ditem *)malloc(
1063 sizeof (struct ditem))) == NULL) {
1064 perror("ls");
1065 exit(2);
1066 } else {
1067 myinfo->dev = 0;
1068 myinfo->ino = 0;
1069 myinfo->parent = NULL;
1070 }
1071 }
1072
1073 if (Cflg || mflg) {
1074 width = strcol((unsigned char *)argv[optind]);
1075 if (width > filewidth)
1076 filewidth = width;
1077 }
1078 if ((ep = gstat((*argv[optind] ? argv[optind] : dotp),
1079 1, myinfo)) == NULL) {
1080 if (nomocore)
1081 exit(2);
1082 err = 2;
1083 optind++;
1084 continue;
1085 }
1086 ep->ln.namep = (*argv[optind] ? argv[optind] : dotp);
1087 ep->lflags |= ISARG;
1088 optind++;
1089 nargs++; /* count good arguments stored in flist */
1090 if (acl_err)
1091 err = 2;
1092 }
1093 colwidth = fixedwidth + filewidth;
1094 if (!Uflg)
1095 qsort(flist, (unsigned)nargs, sizeof (struct lbuf *),
1096 (int (*)(const void *, const void *))compar);
1097 for (i = 0; i < nargs; i++) {
1098 if ((flist[i]->ltype == 'd' && dflg == 0) || fflg)
1099 break;
1100 }
1101
1102 pem(&flist[0], &flist[i], 0);
1103 for (; i < nargs; i++) {
1104 pdirectory(flist[i]->ln.namep, Rflg ||
1105 (amino > 1), nargs, 0, flist[i]->ancinfo);
1106 if (nomocore)
1107 exit(2);
1108 /* -R: print subdirectories found */
1109 while (dfirst || cdfirst) {
1110 /* Place direct subdirs on front in right order */
1111 while (cdfirst) {
1112 /* reverse cdfirst onto front of dfirst */
1113 dtemp = cdfirst;
1114 cdfirst = cdfirst -> dc_next;
1115 dtemp -> dc_next = dfirst;
1116 dfirst = dtemp;
1117 }
1118 /* take off first dir on dfirst & print it */
1119 dtemp = dfirst;
1120 dfirst = dfirst->dc_next;
1121 pdirectory(dtemp->dc_name, 1, nargs,
1122 dtemp->cycle_detected, dtemp->myancinfo);
1123 if (nomocore)
1124 exit(2);
1125 free(dtemp->dc_name);
1126 free(dtemp);
1127 }
1128 }
1129
1130 return (err);
1131 }
1132
1133 /*
1134 * pdirectory: print the directory name, labelling it if title is
1135 * nonzero, using lp as the place to start reading in the dir.
1136 */
1137 static void
1138 pdirectory(char *name, int title, int lp, int cdetect, struct ditem *myinfo)
1139 {
1140 struct dchain *dp;
1141 struct lbuf *ap;
1142 char *pname;
1143 int j;
1144
1145 filewidth = 0;
1146 curdir = name;
1147 if (title) {
1148 if (!first)
1149 (void) putc('\n', stdout);
1150 pprintf(name, ":");
1151 new_line();
1152 }
1153 /*
1154 * If there was a cycle detected, then notify and don't report
1155 * further.
1156 */
1157 if (cdetect) {
1158 if (lflg || sflg) {
1159 curcol += printf(gettext("total %d"), 0);
1160 new_line();
1161 }
1162 (void) fprintf(stderr, gettext(
1163 "ls: cycle detected for %s\n"), name);
1164 return;
1165 }
1166
1167 nfiles = lp;
1168 rddir(name, myinfo);
1169 if (nomocore || noflist)
1170 return;
1171 if (fflg == 0 && Uflg == 0)
1172 qsort(&flist[lp], (unsigned)(nfiles - lp),
1173 sizeof (struct lbuf *),
1174 (int (*)(const void *, const void *))compar);
1175 if (Rflg) {
1176 for (j = nfiles - 1; j >= lp; j--) {
1177 ap = flist[j];
1178 if (ap->ltype == 'd' && strcmp(ap->ln.lname, ".") &&
1179 strcmp(ap->ln.lname, "..")) {
1180 dp = malloc(sizeof (struct dchain));
1181 if (dp == NULL) {
1182 perror("ls");
1183 exit(2);
1184 }
1185 pname = makename(curdir, ap->ln.lname);
1186 if ((dp->dc_name = strdup(pname)) == NULL) {
1187 perror("ls");
1188 exit(2);
1189 }
1190 dp->cycle_detected = ap->cycle;
1191 dp->myancinfo = ap->ancinfo;
1192 dp->dc_next = dfirst;
1193 dfirst = dp;
1194 }
1195 }
1196 }
1197 if (lflg || sflg) {
1198 curcol += printf(gettext("total %llu"), tblocks);
1199 new_line();
1200 }
1201 pem(&flist[lp], &flist[nfiles], lflg||sflg);
1202 }
1203
1204 /*
1205 * pem: print 'em. Print a list of files (e.g. a directory) bounded
1206 * by slp and lp.
1207 */
1208 static void
1209 pem(struct lbuf **slp, struct lbuf **lp, int tot_flag)
1210 {
1211 long row, nrows, i;
1212 int col, ncols = 1;
1213 struct lbuf **ep;
1214
1215 if (Cflg || mflg) {
1216 if (colwidth <= num_cols) {
1217 ncols = num_cols / colwidth;
1218 }
1219 }
1220
1221 if (ncols == 1 || mflg || xflg || !Cflg) {
1222 for (ep = slp; ep < lp; ep++)
1223 pentry(*ep);
1224 new_line();
1225 return;
1226 }
1227 /* otherwise print -C columns */
1228 if (tot_flag) {
1229 slp--;
1230 row = 1;
1231 }
1232 else
1233 row = 0;
1234
1235 nrows = (lp - slp - 1) / ncols + 1;
1236 for (i = 0; i < nrows; i++, row++) {
1237 for (col = 0; col < ncols; col++) {
1238 ep = slp + (nrows * col) + row;
1239 if (ep < lp)
1240 pentry(*ep);
1241 }
1242 new_line();
1243 }
1244 }
1245
1246 /*
1247 * print one output entry;
1248 * if uid/gid is not found in the appropriate
1249 * file(passwd/group), then print uid/gid instead of
1250 * user/group name;
1251 */
1252 static void
1253 pentry(struct lbuf *ap)
1254 {
1255 struct lbuf *p;
1256 numbuf_t hbuf;
1257 char *dmark = ""; /* Used if -p or -F option active */
1258 char *cp;
1259 char *str;
1260
1261 if (noflist) {
1262 (void) printf("%s\n", (ap->lflags & ISARG) ? ap->ln.namep :
1263 ap->ln.lname);
1264 return;
1265 }
1266
1267 p = ap;
1268 column();
1269 if (iflg) {
1270 if (mflg && !lflg)
1271 curcol += printf("%llu ", (long long)p->lnum);
1272 else
1273 curcol += printf("%10llu ", (long long)p->lnum);
1274 }
1275 if (sflg) {
1276 curcol += printf((mflg && !lflg) ? "%lld " :
1277 (p->lblocks < 10000) ? "%4lld " : "%lld ",
1278 (p->ltype != 'b' && p->ltype != 'c') ?
1279 p->lblocks : 0LL);
1280 }
1281 if (lflg) {
1282 (void) putchar(p->ltype);
1283 curcol++;
1284 pmode(p->lflags);
1285
1286 /* ACL: additional access mode flag */
1287 (void) putchar(p->acl);
1288 curcol++;
1289
1290 curcol += printf("%3lu ", (ulong_t)p->lnl);
1291 if (oflg) {
1292 if (!nflg) {
1293 cp = getname(p->luid);
1294 curcol += printf("%-8s ", cp);
1295 } else
1296 curcol += printf("%-8lu ", (ulong_t)p->luid);
1297 }
1298 if (gflg) {
1299 if (!nflg) {
1300 cp = getgroup(p->lgid);
1301 curcol += printf("%-8s ", cp);
1302 } else
1303 curcol += printf("%-8lu ", (ulong_t)p->lgid);
1304 }
1305 if (p->ltype == 'b' || p->ltype == 'c') {
1306 curcol += printf("%3u, %2u",
1307 (uint_t)major((dev_t)p->lsize),
1308 (uint_t)minor((dev_t)p->lsize));
1309 } else if (hflg && (p->lsize >= hscale)) {
1310 curcol += printf("%7s",
1311 number_to_scaled_string(hbuf, p->lsize, hscale));
1312 } else {
1313 uint64_t bsize = p->lsize / block_size;
1314
1315 /*
1316 * Round up only when using blocks > 1 byte, otherwise
1317 * 'normal' sizes display 1 byte too large.
1318 */
1319 if (p->lsize % block_size != 0)
1320 bsize++;
1321
1322 curcol += printf("%7" PRIu64, bsize);
1323 }
1324 format_time(p->lmtime.tv_sec, p->lmtime.tv_nsec);
1325 /* format extended system attribute time */
1326 if (tmflg && crtm)
1327 format_attrtime(p);
1328
1329 curcol += printf("%s", time_buf);
1330
1331 }
1332 /*
1333 * prevent both "->" and trailing marks
1334 * from appearing
1335 */
1336
1337 if (pflg && p->ltype == 'd')
1338 dmark = "/";
1339
1340 if (Fflg && !(lflg && p->flinkto)) {
1341 if (p->ltype == 'd')
1342 dmark = "/";
1343 else if (p->ltype == 'D')
1344 dmark = ">";
1345 else if (p->ltype == 'p')
1346 dmark = "|";
1347 else if (p->ltype == 'l')
1348 dmark = "@";
1349 else if (p->ltype == 's')
1350 dmark = "=";
1351 else if (!file_typeflg &&
1352 (p->lflags & (S_IXUSR|S_IXGRP|S_IXOTH)))
1353 dmark = "*";
1354 else
1355 dmark = "";
1356 }
1357
1358 if (colorflg)
1359 ls_start_color(p->color);
1360
1361 if (p->lflags & ISARG)
1362 str = p->ln.namep;
1363 else
1364 str = p->ln.lname;
1365
1366 if (qflg || bflg) {
1367 csi_pprintf((unsigned char *)str);
1368
1369 if (lflg && p->flinkto) {
1370 if (colorflg)
1371 ls_end_color();
1372 csi_pprintf((unsigned char *)" -> ");
1373 if (colorflg)
1374 ls_start_color(p->link_color);
1375 csi_pprintf((unsigned char *)p->flinkto);
1376 } else {
1377 csi_pprintf((unsigned char *)dmark);
1378 }
1379 } else {
1380 (void) printf("%s", str);
1381 curcol += strcol((unsigned char *)str);
1382
1383 if (lflg && p->flinkto) {
1384 if (colorflg)
1385 ls_end_color();
1386 str = " -> ";
1387 (void) printf("%s", str);
1388 curcol += strcol((unsigned char *)str);
1389 if (colorflg)
1390 ls_start_color(p->link_color);
1391 (void) printf("%s", p->flinkto);
1392 curcol += strcol((unsigned char *)p->flinkto);
1393 } else {
1394 (void) printf("%s", dmark);
1395 curcol += strcol((unsigned char *)dmark);
1396 }
1397 }
1398
1399 if (colorflg)
1400 ls_end_color();
1401
1402 /* Display extended system attributes */
1403 if (saflg) {
1404 int i;
1405
1406 new_line();
1407 (void) printf(" \t{");
1408 if (p->exttr != NULL) {
1409 int k = 0;
1410 for (i = 0; i < sacnt; i++) {
1411 if (p->exttr[i].name != NULL)
1412 k++;
1413 }
1414 for (i = 0; i < sacnt; i++) {
1415 if (p->exttr[i].name != NULL) {
1416 (void) printf("%s", p->exttr[i].name);
1417 k--;
1418 if (vopt && (k != 0))
1419 (void) printf(",");
1420 }
1421 }
1422 }
1423 (void) printf("}\n");
1424 }
1425 /* Display file timestamps and extended system attribute timestamps */
1426 if (tmflg && alltm) {
1427 new_line();
1428 print_time(p);
1429 new_line();
1430 }
1431 if (vflg) {
1432 new_line();
1433 if (p->aclp) {
1434 acl_printacl(p->aclp, num_cols, Vflg);
1435 }
1436 }
1437 /* Free extended system attribute lists */
1438 if (saflg || tmflg)
1439 free_sysattr(p);
1440 }
1441
1442 /* print various r,w,x permissions */
1443 static void
1444 pmode(mode_t aflag)
1445 {
1446 /* these arrays are declared static to allow initializations */
1447 static int m0[] = { 1, S_IRUSR, 'r', '-' };
1448 static int m1[] = { 1, S_IWUSR, 'w', '-' };
1449 static int m2[] = { 3, S_ISUID|S_IXUSR, 's', S_IXUSR,
1450 'x', S_ISUID, 'S', '-' };
1451 static int m3[] = { 1, S_IRGRP, 'r', '-' };
1452 static int m4[] = { 1, S_IWGRP, 'w', '-' };
1453 static int m5[] = { 4, S_ISGID|S_IXGRP, 's', S_IXGRP,
1454 'x', S_ISGID|LS_NOTREG, 'S',
1455 #ifdef XPG4
1456 S_ISGID, 'L', '-'};
1457 #else
1458 S_ISGID, 'l', '-'};
1459 #endif
1460 static int m6[] = { 1, S_IROTH, 'r', '-' };
1461 static int m7[] = { 1, S_IWOTH, 'w', '-' };
1462 static int m8[] = { 3, S_ISVTX|S_IXOTH, 't', S_IXOTH,
1463 'x', S_ISVTX, 'T', '-'};
1464
1465 static int *m[] = { m0, m1, m2, m3, m4, m5, m6, m7, m8};
1466
1467 int **mp;
1468
1469 flags = aflag;
1470 for (mp = &m[0]; mp < &m[sizeof (m) / sizeof (m[0])]; mp++)
1471 selection(*mp);
1472 }
1473
1474 static void
1475 selection(int *pairp)
1476 {
1477 int n;
1478
1479 n = *pairp++;
1480 while (n-->0) {
1481 if ((flags & *pairp) == *pairp) {
1482 pairp++;
1483 break;
1484 } else {
1485 pairp += 2;
1486 }
1487 }
1488 (void) putchar(*pairp);
1489 curcol++;
1490 }
1491
1492 /*
1493 * column: get to the beginning of the next column.
1494 */
1495 static void
1496 column(void)
1497 {
1498 if (curcol == 0)
1499 return;
1500 if (mflg) {
1501 (void) putc(',', stdout);
1502 curcol++;
1503 if (curcol + colwidth + 2 > num_cols) {
1504 (void) putc('\n', stdout);
1505 curcol = 0;
1506 return;
1507 }
1508 (void) putc(' ', stdout);
1509 curcol++;
1510 return;
1511 }
1512 if (Cflg == 0) {
1513 (void) putc('\n', stdout);
1514 curcol = 0;
1515 return;
1516 }
1517 if ((curcol / colwidth + 2) * colwidth > num_cols) {
1518 (void) putc('\n', stdout);
1519 curcol = 0;
1520 return;
1521 }
1522 do {
1523 (void) putc(' ', stdout);
1524 curcol++;
1525 } while (curcol % colwidth);
1526 }
1527
1528 static void
1529 new_line(void)
1530 {
1531 if (curcol) {
1532 first = 0;
1533 (void) putc('\n', stdout);
1534 curcol = 0;
1535 }
1536 }
1537
1538 /*
1539 * read each filename in directory dir and store its
1540 * status in flist[nfiles]
1541 * use makename() to form pathname dir/filename;
1542 */
1543 static void
1544 rddir(char *dir, struct ditem *myinfo)
1545 {
1546 struct dirent *dentry;
1547 DIR *dirf;
1548 int j;
1549 struct lbuf *ep;
1550 int width;
1551
1552 if ((dirf = opendir(dir)) == NULL) {
1553 (void) fflush(stdout);
1554 perror(dir);
1555 err = 2;
1556 return;
1557 } else {
1558 tblocks = 0;
1559 for (;;) {
1560 errno = 0;
1561 if ((dentry = readdir(dirf)) == NULL)
1562 break;
1563 if (aflg == 0 && dentry->d_name[0] == '.' &&
1564 (Aflg == 0 ||
1565 dentry->d_name[1] == '\0' ||
1566 (dentry->d_name[1] == '.' &&
1567 dentry->d_name[2] == '\0')))
1568 /*
1569 * check for directory items '.', '..',
1570 * and items without valid inode-number;
1571 */
1572 continue;
1573
1574 /* skip entries ending in ~ if -B was given */
1575 if (Bflg &&
1576 dentry->d_name[strlen(dentry->d_name) - 1] == '~')
1577 continue;
1578 if (Cflg || mflg) {
1579 width = strcol((unsigned char *)dentry->d_name);
1580 if (width > filewidth)
1581 filewidth = width;
1582 }
1583 ep = gstat(makename(dir, dentry->d_name), 0, myinfo);
1584 if (ep == NULL) {
1585 if (nomocore)
1586 exit(2);
1587 continue;
1588 } else {
1589 ep->lnum = dentry->d_ino;
1590 for (j = 0; dentry->d_name[j] != '\0'; j++)
1591 ep->ln.lname[j] = dentry->d_name[j];
1592 ep->ln.lname[j] = '\0';
1593
1594 /*
1595 * Since this entry doesn't need to be sorted
1596 * or further processed, print it right away.
1597 */
1598 if (noflist) {
1599 pem(&ep, &ep + 1, 0);
1600 nfiles--;
1601 }
1602 }
1603 }
1604 if (errno) {
1605 int sav_errno = errno;
1606
1607 (void) fprintf(stderr,
1608 gettext("ls: error reading directory %s: %s\n"),
1609 dir, strerror(sav_errno));
1610 }
1611 (void) closedir(dirf);
1612 colwidth = fixedwidth + filewidth;
1613 }
1614 }
1615
1616 /*
1617 * Attaching a link to an inode's ancestors. Search
1618 * through the ancestors to check for cycles (an inode which
1619 * we have already tracked in this inodes ancestry). If a cycle
1620 * is detected, set the exit code and record the fact so that
1621 * it is reported at the right time when printing the directory.
1622 * In addition, set the exit code. Note: If the -a flag was
1623 * specified, we don't want to check for cycles for directories
1624 * ending in '/.' or '/..' unless they were specified on the
1625 * command line.
1626 */
1627 static void
1628 record_ancestry(char *file, struct stat *pstatb, struct lbuf *rep,
1629 int argfl, struct ditem *myparent)
1630 {
1631 size_t file_len;
1632 struct ditem *myinfo;
1633 struct ditem *tptr;
1634
1635 file_len = strlen(file);
1636 if (!aflg || argfl || (NOTWORKINGDIR(file, file_len) &&
1637 NOTPARENTDIR(file, file_len))) {
1638 /*
1639 * Add this inode's ancestry
1640 * info and insert it into the
1641 * ancestry list by pointing
1642 * back to its parent. We save
1643 * it (in rep) with the other info
1644 * we're gathering for this inode.
1645 */
1646 if ((myinfo = malloc(
1647 sizeof (struct ditem))) == NULL) {
1648 perror("ls");
1649 exit(2);
1650 }
1651 myinfo->dev = pstatb->st_dev;
1652 myinfo->ino = pstatb->st_ino;
1653 myinfo->parent = myparent;
1654 rep->ancinfo = myinfo;
1655
1656 /*
1657 * If this node has the same device id and
1658 * inode number of one of its ancestors,
1659 * then we've detected a cycle.
1660 */
1661 if (myparent != NULL) {
1662 for (tptr = myparent; tptr->parent != NULL;
1663 tptr = tptr->parent) {
1664 if ((tptr->dev == pstatb->st_dev) &&
1665 (tptr->ino == pstatb->st_ino)) {
1666 /*
1667 * Cycle detected for this
1668 * directory. Record the fact
1669 * it is a cycle so we don't
1670 * try to process this
1671 * directory as we are
1672 * walking through the
1673 * list of directories.
1674 */
1675 rep->cycle = 1;
1676 err = 2;
1677 break;
1678 }
1679 }
1680 }
1681 }
1682 }
1683
1684 /*
1685 * Do re-calculate the mode for group for ACE_T type of acls.
1686 * This is because, if the server's FS happens to be UFS, supporting
1687 * POSIX ACL's, then it does a special calculation of group mode
1688 * to be the bitwise OR of CLASS_OBJ and GROUP_OBJ (see PSARC/2001/717.)
1689 *
1690 * This algorithm is from the NFSv4 ACL Draft. Here a part of that
1691 * algorithm is used for the group mode calculation only.
1692 * What is modified here from the algorithm is that only the
1693 * entries with flags ACE_GROUP are considered. For each entry
1694 * with ACE_GROUP flag, the first occurance of a specific access
1695 * is checked if it is allowed.
1696 * We are not interested in perms for user and other, as they
1697 * were taken from st_mode value.
1698 * We are not interested in a_who field of ACE, as we need just
1699 * unix mode bits for the group.
1700 */
1701
1702 #define OWNED_GROUP (ACE_GROUP | ACE_IDENTIFIER_GROUP)
1703 #define IS_TYPE_ALLOWED(type) ((type) == ACE_ACCESS_ALLOWED_ACE_TYPE)
1704
1705 int
1706 grp_mask_to_mode(struct lbuf *p)
1707 {
1708 int mode = 0, seen = 0;
1709 int acecnt;
1710 int flags;
1711 ace_t *ap;
1712 acl_t *acep = p->aclp;
1713
1714 acecnt = acl_cnt(acep);
1715 for (ap = (ace_t *)acl_data(acep); acecnt--; ap++) {
1716
1717 if (ap->a_type != ACE_ACCESS_ALLOWED_ACE_TYPE &&
1718 ap->a_type != ACE_ACCESS_DENIED_ACE_TYPE)
1719 continue;
1720
1721 if (ap->a_flags & ACE_INHERIT_ONLY_ACE)
1722 continue;
1723
1724 /*
1725 * if it is first group@ or first everyone@
1726 * for each of read, write and execute, then
1727 * that will be the group mode bit.
1728 */
1729 flags = ap->a_flags & ACE_TYPE_FLAGS;
1730 if (flags == OWNED_GROUP || (flags == ACE_IDENTIFIER_GROUP &&
1731 ap->a_who == p->lgid) || flags == ACE_EVERYONE) {
1732 if (ap->a_access_mask & ACE_READ_DATA) {
1733 if (!(seen & S_IRGRP)) {
1734 seen |= S_IRGRP;
1735 if (IS_TYPE_ALLOWED(ap->a_type))
1736 mode |= S_IRGRP;
1737 }
1738 }
1739 if (ap->a_access_mask & ACE_WRITE_DATA) {
1740 if (!(seen & S_IWGRP)) {
1741 seen |= S_IWGRP;
1742 if (IS_TYPE_ALLOWED(ap->a_type))
1743 mode |= S_IWGRP;
1744 }
1745 }
1746 if (ap->a_access_mask & ACE_EXECUTE) {
1747 if (!(seen & S_IXGRP)) {
1748 seen |= S_IXGRP;
1749 if (IS_TYPE_ALLOWED(ap->a_type))
1750 mode |= S_IXGRP;
1751 }
1752 }
1753 }
1754 }
1755 return (mode);
1756 }
1757
1758 /*
1759 * get status of file and recomputes tblocks;
1760 * argfl = 1 if file is a name in ls-command and = 0
1761 * for filename in a directory whose name is an
1762 * argument in the command;
1763 * stores a pointer in flist[nfiles] and
1764 * returns that pointer;
1765 * returns NULL if failed;
1766 */
1767 static struct lbuf *
1768 gstat(char *file, int argfl, struct ditem *myparent)
1769 {
1770 struct stat statb, statb1;
1771 struct lbuf *rep;
1772 char buf[BUFSIZ];
1773 ssize_t cc;
1774 int (*statf)() = ((Lflg) || (Hflg && argfl)) ? stat : lstat;
1775 int aclcnt;
1776 int error;
1777 aclent_t *tp;
1778 o_mode_t groupperm, mask;
1779 int grouppermfound, maskfound;
1780
1781 if (nomocore)
1782 return (NULL);
1783
1784 if (nfiles >= maxfils) {
1785 /*
1786 * all flist/lbuf pair assigned files, time to get some
1787 * more space
1788 */
1789 maxfils += quantn;
1790 if (((flist = reallocarray(flist, maxfils,
1791 sizeof (struct lbuf *))) == NULL) ||
1792 ((nxtlbf = malloc(quantn *
1793 sizeof (struct lbuf))) == NULL)) {
1794 perror("ls");
1795 nomocore = 1;
1796 return (NULL);
1797 }
1798 }
1799
1800 /*
1801 * nfiles is reset to nargs for each directory
1802 * that is given as an argument maxn is checked
1803 * to prevent the assignment of an lbuf to a flist entry
1804 * that already has one assigned.
1805 */
1806 if (nfiles >= maxn) {
1807 rep = nxtlbf++;
1808 flist[nfiles++] = rep;
1809 maxn = nfiles;
1810 } else {
1811 rep = flist[nfiles++];
1812 }
1813
1814 /* Clear the lbuf */
1815 (void) memset(rep, 0, sizeof (struct lbuf));
1816
1817 /*
1818 * When noflist is set, none of the extra information about the dirent
1819 * will be printed, so omit remaining initialization of this lbuf
1820 * as well as the stat(2) call.
1821 */
1822 if (!argfl && noflist)
1823 return (rep);
1824
1825 /* Initialize non-zero members */
1826
1827 rep->lat.tv_sec = time(NULL);
1828 rep->lct.tv_sec = time(NULL);
1829 rep->lmt.tv_sec = time(NULL);
1830
1831 if (argfl || statreq) {
1832 int doacl;
1833
1834 if (lflg)
1835 doacl = 1;
1836 else
1837 doacl = 0;
1838
1839 if ((*statf)(file, &statb) < 0) {
1840 if (argfl || errno != ENOENT ||
1841 (Lflg && lstat(file, &statb) == 0)) {
1842 /*
1843 * Avoid race between readdir and lstat.
1844 * Print error message in case of dangling link.
1845 */
1846 perror(file);
1847 err = 2;
1848 }
1849 nfiles--;
1850 return (NULL);
1851 }
1852
1853 /*
1854 * If -H was specified, and the file linked to was
1855 * not a directory, then we need to get the info
1856 * for the symlink itself.
1857 */
1858 if ((Hflg) && (argfl) &&
1859 ((statb.st_mode & S_IFMT) != S_IFDIR)) {
1860 if (lstat(file, &statb) < 0) {
1861 perror(file);
1862 err = 2;
1863 }
1864 }
1865
1866 rep->lnum = statb.st_ino;
1867 rep->lsize = statb.st_size;
1868 rep->lblocks = statb.st_blocks;
1869 if (colorflg)
1870 rep->color = ls_color_find(file, statb.st_mode);
1871
1872 switch (statb.st_mode & S_IFMT) {
1873 case S_IFDIR:
1874 rep->ltype = 'd';
1875 if (Rflg) {
1876 record_ancestry(file, &statb, rep,
1877 argfl, myparent);
1878 }
1879 break;
1880 case S_IFBLK:
1881 rep->ltype = 'b';
1882 rep->lsize = (off_t)statb.st_rdev;
1883 break;
1884 case S_IFCHR:
1885 rep->ltype = 'c';
1886 rep->lsize = (off_t)statb.st_rdev;
1887 break;
1888 case S_IFIFO:
1889 rep->ltype = 'p';
1890 break;
1891 case S_IFSOCK:
1892 rep->ltype = 's';
1893 rep->lsize = 0;
1894 break;
1895 case S_IFLNK:
1896 /* symbolic links may not have ACLs, so elide acl() */
1897 if ((Lflg == 0) || (Hflg == 0) ||
1898 ((Hflg) && (!argfl))) {
1899 doacl = 0;
1900 }
1901 rep->ltype = 'l';
1902 if (lflg || colorflg) {
1903 cc = readlink(file, buf, BUFSIZ);
1904 if (cc < 0)
1905 break;
1906
1907 /*
1908 * follow the symbolic link
1909 * to generate the appropriate
1910 * Fflg marker for the object
1911 * eg, /bin -> /sym/bin/
1912 */
1913 error = 0;
1914 if (Fflg || pflg || colorflg)
1915 error = stat(file, &statb1);
1916
1917 if (colorflg) {
1918 if (error >= 0)
1919 rep->link_color =
1920 ls_color_find(file,
1921 statb1.st_mode);
1922 else
1923 rep->link_color =
1924 lsc_orphan;
1925 }
1926
1927 if ((Fflg || pflg) && error >= 0) {
1928 switch (statb1.st_mode & S_IFMT) {
1929 case S_IFDIR:
1930 buf[cc++] = '/';
1931 break;
1932 case S_IFSOCK:
1933 buf[cc++] = '=';
1934 break;
1935 case S_IFDOOR:
1936 buf[cc++] = '>';
1937 break;
1938 case S_IFIFO:
1939 buf[cc++] = '|';
1940 break;
1941 default:
1942 if ((statb1.st_mode & ~S_IFMT) &
1943 (S_IXUSR|S_IXGRP| S_IXOTH))
1944 buf[cc++] = '*';
1945 break;
1946 }
1947 }
1948 buf[cc] = '\0';
1949 rep->flinkto = strdup(buf);
1950 if (rep->flinkto == NULL) {
1951 perror("ls");
1952 nomocore = 1;
1953 return (NULL);
1954 }
1955 break;
1956 }
1957
1958 /*
1959 * ls /sym behaves differently from ls /sym/
1960 * when /sym is a symbolic link. This is fixed
1961 * when explicit arguments are specified.
1962 */
1963
1964 #ifdef XPG6
1965 /* Do not follow a symlink when -F is specified */
1966 if ((!argfl) || (argfl && Fflg) ||
1967 (stat(file, &statb1) < 0))
1968 #else
1969 /* Follow a symlink when -F is specified */
1970 if (!argfl || stat(file, &statb1) < 0)
1971 #endif /* XPG6 */
1972 break;
1973 if ((statb1.st_mode & S_IFMT) == S_IFDIR) {
1974 statb = statb1;
1975 rep->ltype = 'd';
1976 rep->lsize = statb1.st_size;
1977 if (Rflg) {
1978 record_ancestry(file, &statb, rep,
1979 argfl, myparent);
1980 }
1981 }
1982 break;
1983 case S_IFDOOR:
1984 rep->ltype = 'D';
1985 break;
1986 case S_IFREG:
1987 rep->ltype = '-';
1988 break;
1989 case S_IFPORT:
1990 rep->ltype = 'P';
1991 break;
1992 default:
1993 rep->ltype = '?';
1994 break;
1995 }
1996 rep->lflags = statb.st_mode & ~S_IFMT;
1997
1998 if (!S_ISREG(statb.st_mode))
1999 rep->lflags |= LS_NOTREG;
2000
2001 rep->luid = statb.st_uid;
2002 rep->lgid = statb.st_gid;
2003 rep->lnl = statb.st_nlink;
2004 if (uflg || (tmflg && atm))
2005 rep->lmtime = statb.st_atim;
2006 else if (cflg || (tmflg && ctm))
2007 rep->lmtime = statb.st_ctim;
2008 else
2009 rep->lmtime = statb.st_mtim;
2010 rep->lat = statb.st_atim;
2011 rep->lct = statb.st_ctim;
2012 rep->lmt = statb.st_mtim;
2013
2014 /* ACL: check acl entries count */
2015 if (doacl) {
2016
2017 error = acl_get(file, 0, &rep->aclp);
2018 if (error) {
2019 (void) fprintf(stderr,
2020 gettext("ls: can't read ACL on %s: %s\n"),
2021 file, acl_strerror(error));
2022 rep->acl = ' ';
2023 acl_err++;
2024 return (rep);
2025 }
2026
2027 rep->acl = ' ';
2028
2029 if (rep->aclp &&
2030 ((acl_flags(rep->aclp) & ACL_IS_TRIVIAL) == 0)) {
2031 rep->acl = '+';
2032 /*
2033 * Special handling for ufs aka aclent_t ACL's
2034 */
2035 if (acl_type(rep->aclp) == ACLENT_T) {
2036 /*
2037 * For files with non-trivial acls, the
2038 * effective group permissions are the
2039 * intersection of the GROUP_OBJ value
2040 * and the CLASS_OBJ (acl mask) value.
2041 * Determine both the GROUP_OBJ and
2042 * CLASS_OBJ for this file and insert
2043 * the logical AND of those two values
2044 * in the group permissions field
2045 * of the lflags value for this file.
2046 */
2047
2048 /*
2049 * Until found in acl list, assume
2050 * maximum permissions for both group
2051 * a nd mask. (Just in case the acl
2052 * lacks either value for some reason.)
2053 */
2054 groupperm = 07;
2055 mask = 07;
2056 grouppermfound = 0;
2057 maskfound = 0;
2058 aclcnt = acl_cnt(rep->aclp);
2059 for (tp =
2060 (aclent_t *)acl_data(rep->aclp);
2061 aclcnt--; tp++) {
2062 if (tp->a_type == GROUP_OBJ) {
2063 groupperm = tp->a_perm;
2064 grouppermfound = 1;
2065 continue;
2066 }
2067 if (tp->a_type == CLASS_OBJ) {
2068 mask = tp->a_perm;
2069 maskfound = 1;
2070 }
2071 if (grouppermfound && maskfound)
2072 break;
2073 }
2074
2075
2076 /* reset all the group bits */
2077 rep->lflags &= ~S_IRWXG;
2078
2079 /*
2080 * Now set them to the logical AND of
2081 * the GROUP_OBJ permissions and the
2082 * acl mask.
2083 */
2084
2085 rep->lflags |= (groupperm & mask) << 3;
2086
2087 } else if (acl_type(rep->aclp) == ACE_T) {
2088 int mode;
2089 mode = grp_mask_to_mode(rep);
2090 rep->lflags &= ~S_IRWXG;
2091 rep->lflags |= mode;
2092 }
2093 }
2094
2095 if (!vflg && !Vflg && rep->aclp) {
2096 acl_free(rep->aclp);
2097 rep->aclp = NULL;
2098 }
2099
2100 if (atflg && pathconf(file, _PC_XATTR_EXISTS) == 1)
2101 rep->acl = '@';
2102
2103 } else
2104 rep->acl = ' ';
2105
2106 /* mask ISARG and other file-type bits */
2107
2108 if (rep->ltype != 'b' && rep->ltype != 'c')
2109 tblocks += rep->lblocks;
2110
2111 /* Get extended system attributes */
2112
2113 if ((saflg || (tmflg && crtm) || (tmflg && alltm)) &&
2114 (sysattr_support(file, _PC_SATTR_EXISTS) == 1)) {
2115 int i;
2116
2117 sacnt = attr_count();
2118 /*
2119 * Allocate 'sacnt' size array to hold extended
2120 * system attribute name (verbose) or respective
2121 * symbol represenation (compact).
2122 */
2123 rep->exttr = xmalloc(sacnt * sizeof (struct attrb),
2124 rep);
2125
2126 /* initialize boolean attribute list */
2127 for (i = 0; i < sacnt; i++)
2128 rep->exttr[i].name = NULL;
2129 if (get_sysxattr(file, rep) != 0) {
2130 (void) fprintf(stderr,
2131 gettext("ls:Failed to retrieve "
2132 "extended system attribute from "
2133 "%s\n"), file);
2134 rep->exttr[0].name = xmalloc(2, rep);
2135 (void) strlcpy(rep->exttr[0].name, "?", 2);
2136 }
2137 }
2138 }
2139 return (rep);
2140 }
2141
2142 /*
2143 * returns pathname of the form dir/file;
2144 * dir and file are null-terminated strings.
2145 */
2146 static char *
2147 makename(char *dir, char *file)
2148 {
2149 /*
2150 * PATH_MAX is the maximum length of a path name.
2151 * MAXNAMLEN is the maximum length of any path name component.
2152 * Allocate space for both, plus the '/' in the middle
2153 * and the null character at the end.
2154 * dfile is static as this is returned by makename().
2155 */
2156 static char dfile[PATH_MAX + 1 + MAXNAMLEN + 1];
2157 char *dp, *fp;
2158
2159 dp = dfile;
2160 fp = dir;
2161 while (*fp)
2162 *dp++ = *fp++;
2163 if (dp > dfile && *(dp - 1) != '/')
2164 *dp++ = '/';
2165 fp = file;
2166 while (*fp)
2167 *dp++ = *fp++;
2168 *dp = '\0';
2169 return (dfile);
2170 }
2171
2172
2173 #include <pwd.h>
2174 #include <grp.h>
2175 #include <utmpx.h>
2176
2177 struct utmpx utmp;
2178
2179 #define NMAX (sizeof (utmp.ut_name))
2180 #define SCPYN(a, b) (void) strncpy(a, b, NMAX)
2181
2182
2183 struct cachenode { /* this struct must be zeroed before using */
2184 struct cachenode *lesschild; /* subtree whose entries < val */
2185 struct cachenode *grtrchild; /* subtree whose entries > val */
2186 long val; /* the uid or gid of this entry */
2187 int initted; /* name has been filled in */
2188 char name[NMAX+1]; /* the string that val maps to */
2189 };
2190 static struct cachenode *names, *groups;
2191
2192 static struct cachenode *
2193 findincache(struct cachenode **head, long val)
2194 {
2195 struct cachenode **parent = head;
2196 struct cachenode *c = *parent;
2197
2198 while (c != NULL) {
2199 if (val == c->val) {
2200 /* found it */
2201 return (c);
2202 } else if (val < c->val) {
2203 parent = &c->lesschild;
2204 c = c->lesschild;
2205 } else {
2206 parent = &c->grtrchild;
2207 c = c->grtrchild;
2208 }
2209 }
2210
2211 /* not in the cache, make a new entry for it */
2212 c = calloc(1, sizeof (struct cachenode));
2213 if (c == NULL) {
2214 perror("ls");
2215 exit(2);
2216 }
2217 *parent = c;
2218 c->val = val;
2219 return (c);
2220 }
2221
2222 /*
2223 * get name from cache, or passwd file for a given uid;
2224 * lastuid is set to uid.
2225 */
2226 static char *
2227 getname(uid_t uid)
2228 {
2229 struct passwd *pwent;
2230 struct cachenode *c;
2231
2232 if ((uid == lastuid) && lastuname)
2233 return (lastuname);
2234
2235 c = findincache(&names, uid);
2236 if (c->initted == 0) {
2237 if ((pwent = getpwuid(uid)) != NULL) {
2238 SCPYN(&c->name[0], pwent->pw_name);
2239 } else {
2240 (void) sprintf(&c->name[0], "%-8u", (int)uid);
2241 }
2242 c->initted = 1;
2243 }
2244 lastuid = uid;
2245 lastuname = &c->name[0];
2246 return (lastuname);
2247 }
2248
2249 /*
2250 * get name from cache, or group file for a given gid;
2251 * lastgid is set to gid.
2252 */
2253 static char *
2254 getgroup(gid_t gid)
2255 {
2256 struct group *grent;
2257 struct cachenode *c;
2258
2259 if ((gid == lastgid) && lastgname)
2260 return (lastgname);
2261
2262 c = findincache(&groups, gid);
2263 if (c->initted == 0) {
2264 if ((grent = getgrgid(gid)) != NULL) {
2265 SCPYN(&c->name[0], grent->gr_name);
2266 } else {
2267 (void) sprintf(&c->name[0], "%-8u", (int)gid);
2268 }
2269 c->initted = 1;
2270 }
2271 lastgid = gid;
2272 lastgname = &c->name[0];
2273 return (lastgname);
2274 }
2275
2276 /* return >0 if item pointed by pp2 should appear first */
2277 static int
2278 compar(struct lbuf **pp1, struct lbuf **pp2)
2279 {
2280 struct lbuf *p1, *p2;
2281
2282 p1 = *pp1;
2283 p2 = *pp2;
2284 if (dflg == 0) {
2285 /*
2286 * compare two names in ls-command one of which is file
2287 * and the other is a directory;
2288 * this portion is not used for comparing files within
2289 * a directory name of ls-command;
2290 */
2291 if (p1->lflags&ISARG && p1->ltype == 'd') {
2292 if (!(p2->lflags&ISARG && p2->ltype == 'd'))
2293 return (1);
2294 } else {
2295 if (p2->lflags&ISARG && p2->ltype == 'd')
2296 return (-1);
2297 }
2298 }
2299 if (tflg) {
2300 if (p2->lmtime.tv_sec > p1->lmtime.tv_sec)
2301 return (rflg);
2302 else if (p2->lmtime.tv_sec < p1->lmtime.tv_sec)
2303 return (-rflg);
2304 /* times are equal to the sec, check nsec */
2305 if (p2->lmtime.tv_nsec > p1->lmtime.tv_nsec)
2306 return (rflg);
2307 else if (p2->lmtime.tv_nsec < p1->lmtime.tv_nsec)
2308 return (-rflg);
2309 /* if times are equal, fall through and sort by name */
2310 } else if (Sflg) {
2311 /*
2312 * The size stored in lsize can be either the
2313 * size or the major minor number (in the case of
2314 * block and character special devices). If it's
2315 * a major minor number, then the size is considered
2316 * to be zero and we want to fall through and sort
2317 * by name. In addition, if the size of p2 is equal
2318 * to the size of p1 we want to fall through and
2319 * sort by name.
2320 */
2321 off_t p1size = (p1->ltype == 'b') ||
2322 (p1->ltype == 'c') ? 0 : p1->lsize;
2323 off_t p2size = (p2->ltype == 'b') ||
2324 (p2->ltype == 'c') ? 0 : p2->lsize;
2325 if (p2size > p1size) {
2326 return (rflg);
2327 } else if (p2size < p1size) {
2328 return (-rflg);
2329 }
2330 /* Sizes are equal, fall through and sort by name. */
2331 }
2332 return (rflg * strcoll(
2333 p1->lflags & ISARG ? p1->ln.namep : p1->ln.lname,
2334 p2->lflags&ISARG ? p2->ln.namep : p2->ln.lname));
2335 }
2336
2337 static void
2338 pprintf(char *s1, char *s2)
2339 {
2340 csi_pprintf((unsigned char *)s1);
2341 csi_pprintf((unsigned char *)s2);
2342 }
2343
2344 static void
2345 csi_pprintf(unsigned char *s)
2346 {
2347 unsigned char *cp;
2348 char c;
2349 int i;
2350 int c_len;
2351 int p_col;
2352 wchar_t pcode;
2353
2354 if (!qflg && !bflg) {
2355 for (cp = s; *cp != '\0'; cp++) {
2356 (void) putchar(*cp);
2357 curcol++;
2358 }
2359 return;
2360 }
2361
2362 for (cp = s; *cp; ) {
2363 if (isascii(c = *cp)) {
2364 if (!isprint(c)) {
2365 if (qflg) {
2366 c = '?';
2367 } else {
2368 curcol += 3;
2369 (void) putc('\\', stdout);
2370 c = '0' + ((*cp >> 6) & 07);
2371 (void) putc(c, stdout);
2372 c = '0' + ((*cp >> 3) & 07);
2373 (void) putc(c, stdout);
2374 c = '0' + (*cp & 07);
2375 }
2376 }
2377 curcol++;
2378 cp++;
2379 (void) putc(c, stdout);
2380 continue;
2381 }
2382
2383 if ((c_len = mbtowc(&pcode, (char *)cp, MB_LEN_MAX)) <= 0) {
2384 c_len = 1;
2385 goto not_print;
2386 }
2387
2388 if ((p_col = wcwidth(pcode)) > 0) {
2389 (void) putwchar(pcode);
2390 cp += c_len;
2391 curcol += p_col;
2392 continue;
2393 }
2394
2395 not_print:
2396 for (i = 0; i < c_len; i++) {
2397 if (qflg) {
2398 c = '?';
2399 } else {
2400 curcol += 3;
2401 (void) putc('\\', stdout);
2402 c = '0' + ((*cp >> 6) & 07);
2403 (void) putc(c, stdout);
2404 c = '0' + ((*cp >> 3) & 07);
2405 (void) putc(c, stdout);
2406 c = '0' + (*cp & 07);
2407 }
2408 curcol++;
2409 (void) putc(c, stdout);
2410 cp++;
2411 }
2412 }
2413 }
2414
2415 static int
2416 strcol(unsigned char *s1)
2417 {
2418 int w;
2419 int w_col;
2420 int len;
2421 wchar_t wc;
2422
2423 w = 0;
2424 while (*s1) {
2425 if (isascii(*s1)) {
2426 w++;
2427 s1++;
2428 continue;
2429 }
2430
2431 if ((len = mbtowc(&wc, (char *)s1, MB_LEN_MAX)) <= 0) {
2432 w++;
2433 s1++;
2434 continue;
2435 }
2436
2437 if ((w_col = wcwidth(wc)) < 0)
2438 w_col = len;
2439 s1 += len;
2440 w += w_col;
2441 }
2442 return (w);
2443 }
2444
2445 /*
2446 * Convert an unsigned long long to a string representation and place the
2447 * result in the caller-supplied buffer.
2448 *
2449 * The number provided is a size in bytes. The number is first
2450 * converted to an integral multiple of 'scale' bytes. This new
2451 * number is then scaled down until it is small enough to be in a good
2452 * human readable format, i.e. in the range 0 thru scale-1. If the
2453 * number used to derive the final number is not a multiple of scale, and
2454 * the final number has only a single significant digit, we compute
2455 * tenths of units to provide a second significant digit.
2456 *
2457 * The value "(unsigned long long)-1" is a special case and is always
2458 * converted to "-1".
2459 *
2460 * A pointer to the caller-supplied buffer is returned.
2461 */
2462 static char *
2463 number_to_scaled_string(
2464 numbuf_t buf, /* put the result here */
2465 unsigned long long number, /* convert this number */
2466 long scale)
2467 {
2468 unsigned long long save;
2469 /* Measurement: kilo, mega, giga, tera, peta, exa */
2470 char *uom = "KMGTPE";
2471
2472 if ((long long)number == (long long)-1) {
2473 (void) strlcpy(buf, "-1", sizeof (numbuf_t));
2474 return (buf);
2475 }
2476
2477 save = number;
2478 number = number / scale;
2479
2480 /*
2481 * Now we have number as a count of scale units.
2482 * If no further scaling is necessary, we round up as appropriate.
2483 *
2484 * The largest value number could have had entering the routine is
2485 * 16 Exabytes, so running off the end of the uom array should
2486 * never happen. We check for that, though, as a guard against
2487 * a breakdown elsewhere in the algorithm.
2488 */
2489 if (number < (unsigned long long)scale) {
2490 if ((save % scale) >= (unsigned long long)(scale / 2)) {
2491 if (++number == (unsigned long long)scale) {
2492 uom++;
2493 number = 1;
2494 }
2495 }
2496 } else {
2497 while ((number >= (unsigned long long)scale) && (*uom != 'E')) {
2498 uom++; /* next unit of measurement */
2499 save = number;
2500 /*
2501 * If we're over half way to the next unit of
2502 * 'scale' bytes (which means we should round
2503 * up), then adding half of 'scale' prior to
2504 * the division will push us into that next
2505 * unit of scale when we perform the division
2506 */
2507 number = (number + (scale / 2)) / scale;
2508 }
2509 }
2510
2511 /* check if we should output a decimal place after the point */
2512 if ((save / scale) < 10) {
2513 /* snprintf() will round for us */
2514 float fnum = (float)save / scale;
2515 (void) snprintf(buf, sizeof (numbuf_t), "%2.1f%c",
2516 fnum, *uom);
2517 } else {
2518 (void) snprintf(buf, sizeof (numbuf_t), "%4llu%c",
2519 number, *uom);
2520 }
2521 return (buf);
2522 }
2523
2524 /* Get extended system attributes and set the display */
2525
2526 int
2527 get_sysxattr(char *fname, struct lbuf *rep)
2528 {
2529 boolean_t value;
2530 data_type_t type;
2531 int error;
2532 char *name;
2533 int i;
2534
2535 if ((error = getattrat(AT_FDCWD, XATTR_VIEW_READWRITE, fname,
2536 &response)) != 0) {
2537 perror("ls:getattrat");
2538 return (error);
2539 }
2540
2541 /*
2542 * Allocate 'sacnt' size array to hold extended timestamp
2543 * system attributes and initialize the array.
2544 */
2545 rep->extm = xmalloc(sacnt * sizeof (struct attrtm), rep);
2546 for (i = 0; i < sacnt; i++) {
2547 rep->extm[i].stm = 0;
2548 rep->extm[i].nstm = 0;
2549 rep->extm[i].name = NULL;
2550 }
2551 while ((pair = nvlist_next_nvpair(response, pair)) != NULL) {
2552 name = nvpair_name(pair);
2553 type = nvpair_type(pair);
2554 if (type == DATA_TYPE_BOOLEAN_VALUE) {
2555 error = nvpair_value_boolean_value(pair, &value);
2556 if (error) {
2557 (void) fprintf(stderr,
2558 gettext("nvpair_value_boolean_value "
2559 "failed: error = %d\n"), error);
2560 continue;
2561 }
2562 if (name != NULL)
2563 set_sysattrb_display(name, value, rep);
2564 continue;
2565 } else if (type == DATA_TYPE_UINT64_ARRAY) {
2566 if (name != NULL)
2567 set_sysattrtm_display(name, rep);
2568 continue;
2569 }
2570 }
2571 nvlist_free(response);
2572 return (0);
2573 }
2574
2575 /* Set extended system attribute boolean display */
2576
2577 void
2578 set_sysattrb_display(char *name, boolean_t val, struct lbuf *rep)
2579 {
2580 f_attr_t fattr;
2581 const char *opt;
2582 size_t len;
2583
2584 fattr = name_to_attr(name);
2585 if (fattr != F_ATTR_INVAL && fattr < sacnt) {
2586 if (vopt) {
2587 len = strlen(name);
2588 if (val) {
2589 rep->exttr[fattr].name = xmalloc(len + 1, rep);
2590 (void) strlcpy(rep->exttr[fattr].name, name,
2591 len + 1);
2592 } else {
2593 rep->exttr[fattr].name = xmalloc(len + 3, rep);
2594 (void) snprintf(rep->exttr[fattr].name, len + 3,
2595 "no%s", name);
2596 }
2597 } else {
2598 opt = attr_to_option(fattr);
2599 if (opt != NULL) {
2600 len = strlen(opt);
2601 rep->exttr[fattr].name = xmalloc(len + 1, rep);
2602 if (val)
2603 (void) strlcpy(rep->exttr[fattr].name,
2604 opt, len + 1);
2605 else
2606 (void) strlcpy(rep->exttr[fattr].name,
2607 "-", len + 1);
2608 }
2609 }
2610 }
2611 }
2612
2613 /* Set extended system attribute timestamp display */
2614
2615 void
2616 set_sysattrtm_display(char *name, struct lbuf *rep)
2617 {
2618 uint_t nelem;
2619 uint64_t *value;
2620 int i;
2621 size_t len;
2622
2623 if (nvpair_value_uint64_array(pair, &value, &nelem) == 0) {
2624 if (*value != (uintptr_t)NULL) {
2625 len = strlen(name);
2626 i = 0;
2627 while (rep->extm[i].stm != 0 && i < sacnt)
2628 i++;
2629 rep->extm[i].stm = value[0];
2630 rep->extm[i].nstm = value[1];
2631 rep->extm[i].name = xmalloc(len + 1, rep);
2632 (void) strlcpy(rep->extm[i].name, name, len + 1);
2633 }
2634 }
2635 }
2636
2637 void
2638 format_time(time_t sec, time_t nsec)
2639 {
2640 const char *fstr = time_fmt_new;
2641 char fmt_buf[FMTSIZE];
2642
2643 if (Eflg) {
2644 (void) snprintf(fmt_buf, FMTSIZE, fstr, nsec);
2645 (void) strftime(time_buf, sizeof (time_buf), fmt_buf,
2646 localtime(&sec));
2647 return;
2648 }
2649
2650 if (sec < year || sec > now)
2651 fstr = time_fmt_old;
2652
2653 /* if a custom time was specified, shouldn't be localized */
2654 (void) strftime(time_buf, sizeof (time_buf),
2655 (time_custom == 0) ? dcgettext(NULL, fstr, LC_TIME) : fstr,
2656 localtime(&sec));
2657 }
2658
2659 void
2660 format_attrtime(struct lbuf *p)
2661 {
2662 int tmattr = 0;
2663 int i;
2664
2665 if (p->extm != NULL) {
2666 for (i = 0; i < sacnt; i++) {
2667 if (p->extm[i].name != NULL) {
2668 tmattr = 1;
2669 break;
2670 }
2671 }
2672 }
2673
2674 if (tmattr) {
2675 const char *old_save = time_fmt_old;
2676 const char *new_save = time_fmt_new;
2677
2678 /* Eflg always sets format to FORMAT_ISO_FULL */
2679 if (!Eflg && !time_custom) {
2680 time_fmt_old = FORMAT_OLD;
2681 time_fmt_new = FORMAT_NEW;
2682 }
2683
2684 format_time((time_t)p->extm[i].stm, (time_t)p->extm[i].nstm);
2685
2686 time_fmt_old = old_save;
2687 time_fmt_new = new_save;
2688 }
2689 }
2690
2691 void
2692 print_time(struct lbuf *p)
2693 {
2694 const char *old_save = time_fmt_old;
2695 const char *new_save = time_fmt_new;
2696
2697 int i = 0;
2698
2699 if (!Eflg) {
2700 time_fmt_old = FORMAT_LONG;
2701 time_fmt_new = FORMAT_LONG;
2702 }
2703
2704 new_line();
2705 format_time(p->lat.tv_sec, p->lat.tv_nsec);
2706 (void) printf(" timestamp: atime %s\n", time_buf);
2707 format_time(p->lct.tv_sec, p->lct.tv_nsec);
2708 (void) printf(" timestamp: ctime %s\n", time_buf);
2709 format_time(p->lmt.tv_sec, p->lmt.tv_nsec);
2710 (void) printf(" timestamp: mtime %s\n", time_buf);
2711 if (p->extm != NULL) {
2712 while (p->extm[i].nstm != 0 && i < sacnt) {
2713 format_time(p->extm[i].stm, p->extm[i].nstm);
2714 if (p->extm[i].name != NULL) {
2715 (void) printf(" timestamp:"
2716 " %s %s\n",
2717 p->extm[i].name, time_buf);
2718 }
2719 i++;
2720 }
2721 }
2722
2723 time_fmt_old = old_save;
2724 time_fmt_new = new_save;
2725 }
2726
2727 /*
2728 * Check if color definition applies to entry, returns 1 if yes, 0 if no
2729 */
2730 static int
2731 color_match(const char *fname, mode_t mode, ls_color_t *color)
2732 {
2733 switch (color->ftype) {
2734 case LS_PAT:
2735 {
2736 size_t fname_len, sfx_len;
2737
2738 fname_len = strlen(fname);
2739 sfx_len = strlen(color->sfx);
2740 if (sfx_len > fname_len)
2741 return (0);
2742
2743 if (strcmp(color->sfx, fname + fname_len - sfx_len) == 0)
2744 return (1);
2745 else
2746 return (0);
2747 }
2748
2749 case LS_NORMAL:
2750 return (1);
2751
2752 case LS_FILE:
2753 return (S_ISREG(mode));
2754
2755 case LS_DIR:
2756 return (S_ISDIR(mode));
2757
2758 case LS_LINK:
2759 return (S_ISLNK(mode));
2760
2761 case LS_FIFO:
2762 return (S_ISFIFO(mode));
2763
2764 case LS_SOCK:
2765 return (S_ISSOCK(mode));
2766
2767 case LS_DOOR:
2768 return (S_ISDOOR(mode));
2769
2770 case LS_BLK:
2771 return (S_ISBLK(mode));
2772
2773 case LS_CHR:
2774 return (S_ISCHR(mode));
2775
2776 case LS_PORT:
2777 return (S_ISPORT(mode));
2778
2779 case LS_ORPHAN:
2780 /* this is tested for by gstat */
2781 return (0);
2782
2783 case LS_SETUID:
2784 return (!S_ISLNK(mode) && (mode & S_ISUID));
2785
2786 case LS_SETGID:
2787 return (!S_ISLNK(mode) && (mode & S_ISGID));
2788
2789 case LS_STICKY_OTHER_WRITABLE:
2790 return (!S_ISLNK(mode) && (mode & (S_IWOTH|S_ISVTX)));
2791
2792 case LS_OTHER_WRITABLE:
2793 return (!S_ISLNK(mode) && (mode & S_IWOTH));
2794
2795 case LS_STICKY:
2796 return (!S_ISLNK(mode) && (mode & S_ISVTX));
2797
2798 case LS_EXEC:
2799 return (!S_ISLNK(mode) && (mode & (S_IXUSR|S_IXGRP|S_IXOTH)));
2800 }
2801
2802 return (0);
2803 }
2804
2805 static void
2806 dump_color(ls_color_t *c)
2807 {
2808 if (c == NULL)
2809 return;
2810
2811 (void) printf("\n\ttype: ");
2812 switch (c->ftype) {
2813 case LS_NORMAL:
2814 (void) printf("LS_NORMAL");
2815 break;
2816 case LS_FILE:
2817 (void) printf("LS_FILE");
2818 break;
2819 case LS_EXEC:
2820 (void) printf("LS_EXEC");
2821 break;
2822 case LS_DIR:
2823 (void) printf("LS_DIR");
2824 break;
2825 case LS_LINK:
2826 (void) printf("LS_LINK");
2827 break;
2828
2829 case LS_FIFO:
2830 (void) printf("LS_FIFO");
2831 break;
2832
2833 case LS_SOCK:
2834 (void) printf("LS_SOCK");
2835 break;
2836
2837 case LS_DOOR:
2838 (void) printf("LS_DOOR");
2839 break;
2840
2841 case LS_BLK:
2842 (void) printf("LS_BLK");
2843 break;
2844
2845 case LS_CHR:
2846 (void) printf("LS_CHR");
2847 break;
2848
2849 case LS_PORT:
2850 (void) printf("LS_PORT");
2851 break;
2852
2853 case LS_STICKY:
2854 (void) printf("LS_STICKY");
2855 break;
2856
2857 case LS_ORPHAN:
2858 (void) printf("LS_ORPHAN");
2859 break;
2860
2861 case LS_SETGID:
2862 (void) printf("LS_SETGID");
2863 break;
2864
2865 case LS_SETUID:
2866 (void) printf("LS_SETUID");
2867 break;
2868
2869 case LS_OTHER_WRITABLE:
2870 (void) printf("LS_OTHER_WRITABLE");
2871 break;
2872
2873 case LS_STICKY_OTHER_WRITABLE:
2874 (void) printf("LS_STICKY_OTHER_WRITABLE");
2875 break;
2876
2877 case LS_PAT:
2878 (void) printf("LS_PAT\n");
2879 (void) printf("\tpattern: %s", c->sfx);
2880 break;
2881 }
2882 (void) printf("\n");
2883 (void) printf("\tattr: %d\n", c->attr);
2884 (void) printf("\tfg: %d\n", c->fg);
2885 (void) printf("\tbg: %d\n", c->bg);
2886 (void) printf("\t");
2887 }
2888
2889 static ls_color_t *
2890 ls_color_find(const char *fname, mode_t mode)
2891 {
2892 int i;
2893
2894 /*
2895 * Colors are sorted from most general lsc_colors[0] to most specific
2896 * lsc_colors[lsc_ncolors - 1] by ls_color_init(). Start search with
2897 * most specific color rule and work towards most general.
2898 */
2899 for (i = lsc_ncolors - 1; i >= 0; --i)
2900 if (color_match(fname, mode, &lsc_colors[i]))
2901 return (&lsc_colors[i]);
2902
2903 return (NULL);
2904 }
2905
2906 static void
2907 ls_tprint(char *str, long int p1, long int p2, long int p3, long int p4,
2908 long int p5, long int p6, long int p7, long int p8, long int p9)
2909 {
2910 char *s;
2911
2912 if (str == NULL)
2913 return;
2914
2915 s = tparm(str, p1, p2, p3, p4, p5, p6, p7, p8, p9);
2916
2917 if (s != NULL)
2918 (void) putp(s);
2919 }
2920
2921 static void
2922 ls_start_color(ls_color_t *c)
2923 {
2924 if (c == NULL)
2925 return;
2926
2927 if (lsc_debug)
2928 lsc_match = c;
2929
2930 if (c->attr & LSA_BOLD)
2931 ls_tprint(lsc_bold, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2932 if (c->attr & LSA_UNDERSCORE)
2933 ls_tprint(lsc_underline, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2934 if (c->attr & LSA_BLINK)
2935 ls_tprint(lsc_blink, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2936 if (c->attr & LSA_REVERSE)
2937 ls_tprint(lsc_reverse, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2938 if (c->attr & LSA_CONCEALED)
2939 ls_tprint(lsc_concealed, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2940 if (c->attr == LSA_NONE)
2941 ls_tprint(lsc_none, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2942
2943 if (c->fg != -1)
2944 ls_tprint(lsc_setfg, c->fg, 0, 0, 0, 0, 0, 0, 0, 0);
2945 if (c->bg != -1)
2946 ls_tprint(lsc_setbg, c->bg, 0, 0, 0, 0, 0, 0, 0, 0);
2947 }
2948
2949 static void
2950 ls_end_color()
2951 {
2952 ls_tprint(lsc_none, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2953 if (lsc_debug)
2954 dump_color(lsc_match);
2955 }
2956
2957 static void
2958 new_color_entry(char *colorstr)
2959 {
2960 static const struct {
2961 const char *s;
2962 ls_cftype_t stype;
2963 } type_map[] = {
2964 { "no", LS_NORMAL },
2965 { "fi", LS_FILE },
2966 { "di", LS_DIR },
2967 { "ln", LS_LINK },
2968 { "pi", LS_FIFO },
2969 { "so", LS_SOCK },
2970 { "do", LS_DOOR },
2971 { "bd", LS_BLK },
2972 { "cd", LS_CHR },
2973 { "or", LS_ORPHAN },
2974 { "su", LS_SETUID },
2975 { "sg", LS_SETGID },
2976 { "tw", LS_STICKY_OTHER_WRITABLE },
2977 { "ow", LS_OTHER_WRITABLE },
2978 { "st", LS_STICKY },
2979 { "ex", LS_EXEC },
2980 { "po", LS_PORT },
2981 { NULL, LS_NORMAL }
2982 };
2983
2984 char *p, *lasts;
2985 int i;
2986 int color, attr;
2987
2988 p = strtok_r(colorstr, "=", &lasts);
2989 if (p == NULL) {
2990 colorflg = 0;
2991 return;
2992 }
2993
2994 if (p[0] == '*') {
2995 lsc_colors[lsc_ncolors].ftype = LS_PAT;
2996 /* don't include the * in the suffix */
2997 if ((lsc_colors[lsc_ncolors].sfx = strdup(p + 1)) == NULL) {
2998 colorflg = 0;
2999 return;
3000 }
3001 } else {
3002 lsc_colors[lsc_ncolors].sfx = NULL;
3003
3004 for (i = 0; type_map[i].s != NULL; ++i) {
3005 if (strncmp(type_map[i].s, p, 2) == 0)
3006 break;
3007 }
3008
3009 /* ignore unknown file types */
3010 if (type_map[i].s == NULL)
3011 return;
3012
3013 lsc_colors[lsc_ncolors].ftype = type_map[i].stype;
3014 }
3015
3016 attr = LSA_NONE;
3017 lsc_colors[lsc_ncolors].fg = -1;
3018 lsc_colors[lsc_ncolors].bg = -1;
3019 for (p = strtok_r(NULL, ";", &lasts); p != NULL;
3020 p = strtok_r(NULL, ";", &lasts)) {
3021 color = strtol(p, NULL, 10);
3022
3023 if (color < 10) {
3024 switch (color) {
3025 case 0:
3026 attr = LSA_NONE;
3027 continue;
3028 case 1:
3029 attr |= LSA_BOLD;
3030 continue;
3031 case 4:
3032 attr |= LSA_UNDERSCORE;
3033 continue;
3034 case 5:
3035 attr |= LSA_BLINK;
3036 continue;
3037 case 7:
3038 attr |= LSA_REVERSE;
3039 continue;
3040 case 8:
3041 attr |= LSA_CONCEALED;
3042 continue;
3043 default:
3044 continue;
3045 }
3046 }
3047
3048 if (color < 40)
3049 lsc_colors[lsc_ncolors].fg = color - 30;
3050 else
3051 lsc_colors[lsc_ncolors].bg = color - 40;
3052 }
3053
3054 lsc_colors[lsc_ncolors].attr = attr;
3055 ++lsc_ncolors;
3056 }
3057
3058 static int
3059 ls_color_compare(const void *p1, const void *p2)
3060 {
3061 const ls_color_t *c1 = (const ls_color_t *)p1;
3062 const ls_color_t *c2 = (const ls_color_t *)p2;
3063
3064 int ret = c1->ftype - c2->ftype;
3065
3066 if (ret != 0)
3067 return (ret);
3068
3069 if (c1->ftype != LS_PAT)
3070 return (ret);
3071
3072 return (strcmp(c1->sfx, c2->sfx));
3073 }
3074
3075 static void
3076 ls_color_init()
3077 {
3078 static char *default_colorstr = "no=00:fi=00:di=01;34:ln=01;36:po=01;35"
3079 ":pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01"
3080 ":su=37;41:sg=30;43:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31"
3081 ":*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31"
3082 ":*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31"
3083 ":*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35"
3084 ":*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35"
3085 ":*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35"
3086 ":*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35"
3087 ":*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.flac=01;35"
3088 ":*.mp3=01;35:*.mpc=01;35:*.ogg=01;35:*.wav=01;35";
3089
3090 char *colorstr;
3091 char *p, *lasts;
3092 size_t color_sz;
3093 int termret;
3094 int i;
3095
3096 (void) setupterm(NULL, 1, &termret);
3097 if (termret != 1)
3098 return;
3099
3100 if ((p = getenv("LS_COLORS")) == NULL)
3101 p = default_colorstr;
3102 colorstr = strdup(p);
3103 if (colorstr == NULL)
3104 return;
3105
3106 /*
3107 * Determine the size of lsc_colors. color_sz can be > lsc_ncolors
3108 * if there are invalid entries passed in the string (they are ignored)
3109 */
3110 color_sz = 1;
3111 for (p = strchr(colorstr, ':'); p != NULL && *p != '\0';
3112 p = strchr(++p, ':'))
3113 ++color_sz;
3114
3115 lsc_colors = calloc(color_sz, sizeof (ls_color_t));
3116 if (lsc_colors == NULL) {
3117 free(colorstr);
3118 return;
3119 }
3120
3121 for (p = strtok_r(colorstr, ":", &lasts);
3122 p != NULL && lsc_ncolors < color_sz;
3123 p = strtok_r(NULL, ":", &lasts))
3124 new_color_entry(p);
3125
3126 qsort((void *)lsc_colors, lsc_ncolors, sizeof (ls_color_t),
3127 ls_color_compare);
3128
3129 for (i = 0; i < lsc_ncolors; ++i)
3130 if (lsc_colors[i].ftype == LS_ORPHAN) {
3131 lsc_orphan = &lsc_colors[i];
3132 break;
3133 }
3134
3135 if ((lsc_bold = tigetstr("bold")) == (char *)-1)
3136 lsc_bold = NULL;
3137
3138 if ((lsc_underline = tigetstr("smul")) == (char *)-1)
3139 lsc_underline = NULL;
3140
3141 if ((lsc_blink = tigetstr("blink")) == (char *)-1)
3142 lsc_blink = NULL;
3143
3144 if ((lsc_reverse = tigetstr("rev")) == (char *)-1)
3145 lsc_reverse = NULL;
3146
3147 if ((lsc_concealed = tigetstr("prot")) == (char *)-1)
3148 lsc_concealed = NULL;
3149
3150 if ((lsc_none = tigetstr("sgr0")) == (char *)-1)
3151 lsc_none = NULL;
3152
3153 if ((lsc_setfg = tigetstr("setaf")) == (char *)-1)
3154 lsc_setfg = NULL;
3155
3156 if ((lsc_setbg = tigetstr("setab")) == (char *)-1)
3157 lsc_setbg = NULL;
3158
3159 if (getenv("_LS_COLOR_DEBUG") != NULL) {
3160 int i;
3161
3162 lsc_debug = 1;
3163 for (i = 0; i < lsc_ncolors; ++i)
3164 dump_color(&lsc_colors[i]);
3165 }
3166
3167 free(colorstr);
3168 }
3169
3170 /* Free extended system attribute lists */
3171
3172 void
3173 free_sysattr(struct lbuf *p)
3174 {
3175 int i;
3176
3177 if (p->exttr != NULL) {
3178 for (i = 0; i < sacnt; i++) {
3179 free(p->exttr[i].name);
3180 }
3181 free(p->exttr);
3182 }
3183 if (p->extm != NULL) {
3184 for (i = 0; i < sacnt; i++) {
3185 free(p->extm[i].name);
3186 }
3187 free(p->extm);
3188 }
3189 }
3190
3191 /* Allocate extended system attribute list */
3192
3193 void *
3194 xmalloc(size_t size, struct lbuf *p)
3195 {
3196 if ((p = malloc(size)) == NULL) {
3197 perror("ls");
3198 free_sysattr(p);
3199 nvlist_free(response);
3200 exit(2);
3201 }
3202 return (p);
3203 }
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