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Fix NULL pointer constant issues in cmd
[unleashed.git] / usr / src / cmd / ls / ls.c
blob9f06d1b4f349db67f3581a47b26645a7ea862bdb
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 #include <term.h>
92
93 #define BFSIZE 16
94 /* this bit equals 1 in lflags of structure lbuf if *namep is to be used */
95 #define ISARG 0100000
96
97 /*
98 * this flag has been added to manipulate the display of S instead of 'l' when
99 * the file is not a regular file and when group execution bit is off
100 */
101 #define LS_NOTREG 010000
102
103
104 /*
105 * Date and time formats
106 *
107 * b --- abbreviated month name
108 * e --- day number
109 * Y --- year in the form ccyy
110 * H --- hour(24-hour version)
111 * M --- minute
112 * F --- yyyy-mm-dd
113 * T --- hh:mm:ss
114 * z --- time zone as hours displacement from UTC
115 * note that %F and %z are from the ISO C99 standard and are
116 * not present in older C libraries
117 */
118 #define FORMAT_OLD " %b %e %Y "
119 #define FORMAT_NEW " %b %e %H:%M "
120 #define FORMAT_LONG " %b %e %T %Y "
121 #define FORMAT_ISO_FULL " %%F %%T.%.09ld %%z "
122 #define FORMAT_ISO_LONG " %F %R "
123 #define FORMAT_ISO_NEW " %m-%d %H:%M "
124 #define FORMAT_ISO_OLD " %F "
125
126 #undef BUFSIZ
127 #define BUFSIZ 4096
128 #define NUMBER_WIDTH 40
129 #define FMTSIZE 50
130
131 struct ditem {
132 dev_t dev; /* directory items device number */
133 ino_t ino; /* directory items inode number */
134 struct ditem *parent; /* dir items ptr to its parent's info */
135 };
136 /* Holds boolean extended system attributes */
137 struct attrb {
138 char *name;
139 };
140 /* Holds timestamp extended system attributes */
141 struct attrtm {
142 char *name;
143 uint64_t stm;
144 uint64_t nstm;
145 };
146
147 #define LSA_NONE (0)
148 #define LSA_BOLD (1L << 0)
149 #define LSA_UNDERSCORE (1L << 1)
150 #define LSA_BLINK (1L << 2)
151 #define LSA_REVERSE (1L << 3)
152 #define LSA_CONCEALED (1L << 4)
153
154 /* these should be ordered most general to most specific */
155 typedef enum LS_CFTYPE {
156 LS_NORMAL,
157 LS_FILE,
158 LS_EXEC,
159 LS_DIR,
160 LS_LINK,
161 LS_FIFO,
162 LS_SOCK,
163 LS_DOOR,
164 LS_BLK,
165 LS_CHR,
166 LS_PORT,
167 LS_STICKY,
168 LS_ORPHAN,
169 LS_SETGID,
170 LS_SETUID,
171 LS_OTHER_WRITABLE,
172 LS_STICKY_OTHER_WRITABLE,
173 LS_PAT
174 } ls_cftype_t;
175
176 typedef struct {
177 char *sfx;
178 ls_cftype_t ftype;
179 int attr;
180 int fg;
181 int bg;
182 } ls_color_t;
183
184 struct lbuf {
185 union {
186 char lname[MAXNAMLEN]; /* used for filename in a directory */
187 char *namep; /* for name in ls-command; */
188 } ln;
189 char ltype; /* filetype */
190 ino_t lnum; /* inode number of file */
191 mode_t lflags; /* 0777 bits used as r,w,x permissions */
192 nlink_t lnl; /* number of links to file */
193 uid_t luid;
194 gid_t lgid;
195 off_t lsize; /* filesize or major/minor dev numbers */
196 blkcnt_t lblocks; /* number of file blocks */
197 timestruc_t lmtime;
198 timestruc_t lat;
199 timestruc_t lct;
200 timestruc_t lmt;
201 char *flinkto; /* symbolic link contents */
202 char acl; /* indicate there are additional acl entries */
203 int cycle; /* cycle detected flag */
204 struct ditem *ancinfo; /* maintains ancestor info */
205 acl_t *aclp; /* ACL if present */
206 struct attrb *exttr; /* boolean extended system attributes */
207 struct attrtm *extm; /* timestamp extended system attributes */
208 ls_color_t *color; /* color for entry */
209 ls_color_t *link_color; /* color for symlink */
210 };
211
212 struct dchain {
213 char *dc_name; /* path name */
214 int cycle_detected; /* cycle detected visiting this directory */
215 struct ditem *myancinfo; /* this directory's ancestry info */
216 struct dchain *dc_next; /* next directory in the chain */
217 };
218
219 /*
220 * A numbuf_t is used when converting a number to a string representation
221 */
222 typedef char numbuf_t[NUMBER_WIDTH];
223
224 static struct dchain *dfirst; /* start of the dir chain */
225 static struct dchain *cdfirst; /* start of the current dir chain */
226 static struct dchain *dtemp; /* temporary - used for linking */
227 static char *curdir; /* the current directory */
228
229 static int first = 1; /* true if first line is not yet printed */
230 static int nfiles = 0; /* number of flist entries in current use */
231 static int nargs = 0; /* number of flist entries used for arguments */
232 static int maxfils = 0; /* number of flist/lbuf entries allocated */
233 static int maxn = 0; /* number of flist entries with lbufs asigned */
234 static int quantn = 64; /* allocation growth quantum */
235
236 static struct lbuf *nxtlbf; /* ptr to next lbuf to be assigned */
237 static struct lbuf **flist; /* ptr to list of lbuf pointers */
238 static struct lbuf *gstat(char *, int, struct ditem *);
239 static char *getname(uid_t);
240 static char *getgroup(gid_t);
241 static char *makename(char *, char *);
242 static void pentry(struct lbuf *);
243 static void column(void);
244 static void pmode(mode_t aflag);
245 static void selection(int *);
246 static void new_line(void);
247 static void rddir(char *, struct ditem *);
248 static int strcol(unsigned char *);
249 static void pem(struct lbuf **, struct lbuf **, int);
250 static void pdirectory(char *, int, int, int, struct ditem *);
251 static struct cachenode *findincache(struct cachenode **, long);
252 static void csi_pprintf(unsigned char *);
253 static void pprintf(char *, char *);
254 static int compar(struct lbuf **pp1, struct lbuf **pp2);
255 static char *number_to_scaled_string(numbuf_t buf,
256 unsigned long long number,
257 long scale);
258 static void record_ancestry(char *, struct stat *, struct lbuf *,
259 int, struct ditem *);
260 static void ls_color_init(void);
261 static ls_color_t *ls_color_find(const char *, mode_t);
262 static void ls_start_color(ls_color_t *);
263 static void ls_end_color(void);
264
265 static int aflg;
266 static int atflg;
267 static int bflg;
268 static int cflg;
269 static int dflg;
270 static int eflg;
271 static int fflg;
272 static int gflg;
273 static int hflg;
274 static int iflg;
275 static int lflg;
276 static int mflg;
277 static int nflg;
278 static int oflg;
279 static int pflg;
280 static int qflg;
281 static int rflg = 1; /* init to 1 for special use in compar */
282 static int sflg;
283 static int tflg;
284 static int uflg;
285 static int Uflg;
286 static int wflg;
287 static int xflg;
288 static int Aflg;
289 static int Bflg;
290 static int Cflg;
291 static int Eflg;
292 static int Fflg;
293 static int Hflg;
294 static int Lflg;
295 static int Rflg;
296 static int Sflg;
297 static int vflg;
298 static int Vflg;
299 static int saflg; /* boolean extended system attr. */
300 static int sacnt; /* number of extended system attr. */
301 static int copt;
302 static int vopt;
303 static int tmflg; /* create time ext. system attr. */
304 static int ctm;
305 static int atm;
306 static int mtm;
307 static int crtm;
308 static int alltm;
309 static long hscale;
310 static mode_t flags;
311 static int err = 0; /* Contains return code */
312 static int colorflg;
313 static int file_typeflg;
314 static int noflist = 0;
315
316 static uid_t lastuid = (uid_t)-1;
317 static gid_t lastgid = (gid_t)-1;
318 static char *lastuname = NULL;
319 static char *lastgname = NULL;
320
321 /* statreq > 0 if any of sflg, (n)lflg, tflg, Sflg, colorflg are on */
322 static int statreq;
323
324 static uint64_t block_size = 1;
325 static char *dotp = ".";
326
327 static u_longlong_t tblocks; /* number of blocks of files in a directory */
328 static time_t year, now;
329
330 static int num_cols = 80;
331 static int colwidth;
332 static int filewidth;
333 static int fixedwidth;
334 static int nomocore;
335 static int curcol;
336
337 static struct winsize win;
338
339 /* if time_fmt_new is left NULL, time_fmt_old is used for all times */
340 static const char *time_fmt_old = FORMAT_OLD; /* non-recent files */
341 static const char *time_fmt_new = FORMAT_NEW; /* recent files */
342 static int time_custom; /* != 0 if a custom format */
343 static char time_buf[FMTSIZE]; /* array to hold day and time */
344
345 static int lsc_debug;
346 static ls_color_t *lsc_match;
347 static ls_color_t *lsc_colors;
348 static size_t lsc_ncolors;
349 static char *lsc_bold;
350 static char *lsc_underline;
351 static char *lsc_blink;
352 static char *lsc_reverse;
353 static char *lsc_concealed;
354 static char *lsc_none;
355 static char *lsc_setfg;
356 static char *lsc_setbg;
357 static ls_color_t *lsc_orphan;
358
359 #define NOTWORKINGDIR(d, l) (((l) < 2) || \
360 (strcmp((d) + (l) - 2, "/.") != 0))
361
362 #define NOTPARENTDIR(d, l) (((l) < 3) || \
363 (strcmp((d) + (l) - 3, "/..") != 0))
364 /* Extended system attributes support */
365 static int get_sysxattr(char *, struct lbuf *);
366 static void set_sysattrb_display(char *, boolean_t, struct lbuf *);
367 static void set_sysattrtm_display(char *, struct lbuf *);
368 static void format_time(time_t, time_t);
369 static void print_time(struct lbuf *);
370 static void format_attrtime(struct lbuf *);
371 static void *xmalloc(size_t, struct lbuf *);
372 static void free_sysattr(struct lbuf *);
373 static nvpair_t *pair;
374 static nvlist_t *response;
375 static int acl_err;
376
377 const struct option long_options[] = {
378 { "all", no_argument, NULL, 'a' },
379 { "almost-all", no_argument, NULL, 'A' },
380 { "escape", no_argument, NULL, 'b' },
381 { "classify", no_argument, NULL, 'F' },
382 { "human-readable", no_argument, NULL, 'h' },
383 { "dereference", no_argument, NULL, 'L' },
384 { "dereference-command-line", no_argument, NULL, 'H' },
385 { "ignore-backups", no_argument, NULL, 'B' },
386 { "inode", no_argument, NULL, 'i' },
387 { "numeric-uid-gid", no_argument, NULL, 'n' },
388 { "no-group", no_argument, NULL, 'o' },
389 { "hide-control-chars", no_argument, NULL, 'q' },
390 { "reverse", no_argument, NULL, 'r' },
391 { "recursive", no_argument, NULL, 'R' },
392 { "size", no_argument, NULL, 's' },
393 { "width", required_argument, NULL, 'w' },
394
395 /* no short options for these */
396 { "block-size", required_argument, NULL, 0 },
397 { "full-time", no_argument, NULL, 0 },
398 { "si", no_argument, NULL, 0 },
399 { "color", optional_argument, NULL, 0 },
400 { "colour", optional_argument, NULL, 0},
401 { "file-type", no_argument, NULL, 0 },
402 { "time-style", required_argument, NULL, 0 },
403
404 {0, 0, 0, 0}
405 };
406
407 int
408 main(int argc, char *argv[])
409 {
410 int c;
411 int i;
412 int width;
413 int amino = 0;
414 int opterr = 0;
415 int option_index = 0;
416 struct lbuf *ep;
417 struct lbuf lb;
418 struct ditem *myinfo = NULL;
419
420 (void) setlocale(LC_ALL, "");
421 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
422 #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
423 #endif
424 (void) textdomain(TEXT_DOMAIN);
425 #ifdef STANDALONE
426 if (argv[0][0] == '\0')
427 argc = getargv("ls", &argv, 0);
428 #endif
429
430 lb.lmtime.tv_sec = time(NULL);
431 lb.lmtime.tv_nsec = 0;
432 year = lb.lmtime.tv_sec - 6L*30L*24L*60L*60L; /* 6 months ago */
433 now = lb.lmtime.tv_sec + 60;
434 if (isatty(1)) {
435 Cflg = 1;
436 mflg = 0;
437 }
438
439 while ((c = getopt_long(argc, argv,
440 "aAbBcCdeEfFghHiklLmnopqrRsStuUw:x1@vV/:%:", long_options,
441 &option_index)) != -1)
442 switch (c) {
443 case 0:
444 /* non-short options */
445 if (strcmp(long_options[option_index].name,
446 "color") == 0 ||
447 strcmp(long_options[option_index].name,
448 "colour") == 0) {
449 if (optarg == NULL ||
450 strcmp(optarg, "always") == 0 ||
451 strcmp(optarg, "yes") == 0 ||
452 strcmp(optarg, "force") == 0) {
453 colorflg++;
454 statreq++;
455 continue;
456 }
457
458 if (strcmp(optarg, "auto") == 0 ||
459 strcmp(optarg, "tty") == 0 ||
460 strcmp(optarg, "if-tty") == 0) {
461 if (isatty(1) == 1) {
462 colorflg++;
463 statreq++;
464 }
465 continue;
466 }
467
468 if (strcmp(optarg, "never") == 0 ||
469 strcmp(optarg, "no") == 0 ||
470 strcmp(optarg, "none") == 0) {
471 colorflg = 0;
472 continue;
473 }
474 (void) fprintf(stderr,
475 gettext("Invalid argument '%s' for "
476 "--color\n"), optarg);
477 ++opterr;
478 continue;
479 }
480
481 if (strcmp(long_options[option_index].name,
482 "si") == 0) {
483 hflg++;
484 hscale = 1000;
485 continue;
486 }
487
488 if (strcmp(long_options[option_index].name,
489 "block-size") == 0) {
490 size_t scale_len = strlen(optarg);
491 uint64_t scale = 1;
492 uint64_t kilo = 1024;
493 char scale_c;
494
495 if (scale_len == 0) {
496 (void) fprintf(stderr, gettext(
497 "Invalid block size \'%s\'\n"),
498 optarg);
499 exit(1);
500 }
501
502 scale_c = optarg[scale_len - 1];
503 if (scale_c == 'B') {
504 /* need at least digit, scale, B */
505 if (scale_len < 3) {
506 (void) fprintf(stderr, gettext(
507 "Invalid block size "
508 "\'%s\'\n"), optarg);
509 exit(1);
510 }
511 kilo = 1000;
512 scale_c = optarg[scale_len - 2];
513 if (isdigit(scale_c)) {
514 (void) fprintf(stderr,
515 gettext("Invalid block size"
516 " \'%s\'\n"), optarg);
517 exit(1);
518 }
519 /*
520 * make optarg[scale_len - 1] point to
521 * the scale factor
522 */
523 --scale_len;
524 }
525
526 switch (scale_c) {
527 case 'y':
528 case 'Y':
529 scale *= kilo;
530 /*FALLTHROUGH*/
531 case 'Z':
532 case 'z':
533 scale *= kilo;
534 /*FALLTHROUGH*/
535 case 'E':
536 case 'e':
537 scale *= kilo;
538 /*FALLTHROUGH*/
539 case 'P':
540 case 'p':
541 scale *= kilo;
542 /*FALLTHROUGH*/
543 case 'T':
544 case 't':
545 scale *= kilo;
546 /*FALLTHROUGH*/
547 case 'G':
548 case 'g':
549 scale *= kilo;
550 /*FALLTHROUGH*/
551 case 'M':
552 case 'm':
553 scale *= kilo;
554 /*FALLTHROUGH*/
555 case 'K':
556 case 'k':
557 scale *= kilo;
558 break;
559 default:
560 if (!isdigit(scale_c)) {
561 (void) fprintf(stderr,
562 gettext("Invalid character "
563 "following block size in "
564 "\'%s\'\n"), optarg);
565 exit(1);
566 }
567 }
568
569 /* NULL out scale constant if present */
570 if (scale > 1 && !isdigit(scale_c))
571 optarg[scale_len - 1] = '\0';
572
573 /* Based on testing, this is what GNU ls does */
574 block_size = strtoll(optarg, NULL, 0) * scale;
575 if (block_size < 1) {
576 (void) fprintf(stderr,
577 gettext("Invalid block size "
578 "\'%s\'\n"), optarg);
579 exit(1);
580 }
581 continue;
582 }
583
584 if (strcmp(long_options[option_index].name,
585 "file-type") == 0) {
586 file_typeflg++;
587 Fflg++;
588 statreq++;
589 continue;
590 }
591
592
593 if (strcmp(long_options[option_index].name,
594 "full-time") == 0) {
595 Eflg++;
596 statreq++;
597 eflg = 0;
598 time_fmt_old = FORMAT_ISO_FULL;
599 time_fmt_new = FORMAT_ISO_FULL;
600 continue;
601 }
602
603 if (strcmp(long_options[option_index].name,
604 "time-style") == 0) {
605 /* like -E, but doesn't imply -l */
606 if (strcmp(optarg, "full-iso") == 0) {
607 Eflg++;
608 statreq++;
609 eflg = 0;
610 time_fmt_old = FORMAT_ISO_FULL;
611 time_fmt_new = FORMAT_ISO_FULL;
612 continue;
613 }
614 if (strcmp(optarg, "long-iso") == 0) {
615 statreq++;
616 Eflg = 0;
617 eflg = 0;
618 time_fmt_old = FORMAT_ISO_LONG;
619 time_fmt_new = FORMAT_ISO_LONG;
620 continue;
621 }
622 if (strcmp(optarg, "iso") == 0) {
623 statreq++;
624 Eflg = 0;
625 eflg = 0;
626 time_fmt_old = FORMAT_ISO_OLD;
627 time_fmt_new = FORMAT_ISO_NEW;
628 continue;
629 }
630 /* should be the default */
631 if (strcmp(optarg, "locale") == 0) {
632 time_fmt_old = FORMAT_OLD;
633 time_fmt_new = FORMAT_NEW;
634 continue;
635 }
636 if (optarg[0] == '+') {
637 char *told, *tnew;
638 char *p;
639 size_t timelen = strlen(optarg);
640
641 p = strchr(optarg, '\n');
642 if (p != NULL)
643 *p++ = '\0';
644
645 /*
646 * Time format requires a leading and
647 * trailing space
648 * Add room for 3 spaces + 2 nulls
649 * The + in optarg is replaced with
650 * a space.
651 */
652 timelen += 2 + 3;
653 told = malloc(timelen);
654 if (told == NULL) {
655 perror("ls");
656 exit(2);
657 }
658
659 (void) memset(told, 0, timelen);
660 told[0] = ' ';
661 (void) strlcat(told, &optarg[1],
662 timelen);
663 (void) strlcat(told, " ", timelen);
664
665 if (p != NULL) {
666 size_t tnew_len;
667
668 tnew = told + strlen(told) + 1;
669 tnew_len = timelen -
670 strlen(told) - 1;
671
672 tnew[0] = ' ';
673 (void) strlcat(tnew, p,
674 tnew_len);
675 (void) strlcat(tnew, " ",
676 tnew_len);
677 time_fmt_new =
678 (const char *)tnew;
679 } else {
680 time_fmt_new =
681 (const char *)told;
682 }
683
684 time_fmt_old = (const char *)told;
685 time_custom = 1;
686 continue;
687 }
688 continue;
689 }
690
691 continue;
692
693 case 'a':
694 aflg++;
695 continue;
696 case 'A':
697 Aflg++;
698 continue;
699 case 'b':
700 bflg = 1;
701 qflg = 0;
702 continue;
703 case 'B':
704 Bflg = 1;
705 continue;
706 case 'c':
707 uflg = 0;
708 atm = 0;
709 ctm = 0;
710 mtm = 0;
711 crtm = 0;
712 cflg++;
713 continue;
714 case 'C':
715 Cflg = 1;
716 mflg = 0;
717 #ifdef XPG4
718 lflg = 0;
719 #endif
720 continue;
721 case 'd':
722 dflg++;
723 continue;
724 case 'e':
725 eflg++;
726 lflg++;
727 statreq++;
728 Eflg = 0;
729 time_fmt_old = FORMAT_LONG;
730 time_fmt_new = FORMAT_LONG;
731 continue;
732 case 'E':
733 Eflg++;
734 lflg++;
735 statreq++;
736 eflg = 0;
737 time_fmt_old = FORMAT_ISO_FULL;
738 time_fmt_new = FORMAT_ISO_FULL;
739 continue;
740 case 'f':
741 fflg++;
742 continue;
743 case 'F':
744 Fflg++;
745 statreq++;
746 continue;
747 case 'g':
748 gflg++;
749 lflg++;
750 statreq++;
751 continue;
752 case 'h':
753 hflg++;
754 hscale = 1024;
755 continue;
756 case 'H':
757 Hflg++;
758 /* -H and -L are mutually exclusive */
759 Lflg = 0;
760 continue;
761 case 'i':
762 iflg++;
763 continue;
764 case 'k':
765 block_size = 1024;
766 continue;
767 case 'l':
768 lflg++;
769 statreq++;
770 Cflg = 0;
771 xflg = 0;
772 mflg = 0;
773 atflg = 0;
774 continue;
775 case 'L':
776 Lflg++;
777 /* -H and -L are mutually exclusive */
778 Hflg = 0;
779 continue;
780 case 'm':
781 Cflg = 0;
782 mflg = 1;
783 #ifdef XPG4
784 lflg = 0;
785 #endif
786 continue;
787 case 'n':
788 nflg++;
789 lflg++;
790 statreq++;
791 Cflg = 0;
792 xflg = 0;
793 mflg = 0;
794 atflg = 0;
795 continue;
796 case 'o':
797 oflg++;
798 lflg++;
799 statreq++;
800 continue;
801 case 'p':
802 pflg++;
803 statreq++;
804 continue;
805 case 'q':
806 qflg = 1;
807 bflg = 0;
808 continue;
809 case 'r':
810 rflg = -1;
811 continue;
812 case 'R':
813 Rflg++;
814 statreq++;
815 continue;
816 case 's':
817 sflg++;
818 statreq++;
819 continue;
820 case 'S':
821 tflg = 0;
822 Uflg = 0;
823 Sflg++;
824 statreq++;
825 continue;
826 case 't':
827 Sflg = 0;
828 Uflg = 0;
829 tflg++;
830 statreq++;
831 continue;
832 case 'U':
833 Sflg = 0;
834 tflg = 0;
835 Uflg++;
836 continue;
837 case 'u':
838 cflg = 0;
839 atm = 0;
840 ctm = 0;
841 mtm = 0;
842 crtm = 0;
843 uflg++;
844 continue;
845 case 'V':
846 Vflg++;
847 /*FALLTHROUGH*/
848 case 'v':
849 vflg++;
850 #if !defined(XPG4)
851 if (lflg)
852 continue;
853 #endif
854 lflg++;
855 statreq++;
856 Cflg = 0;
857 xflg = 0;
858 mflg = 0;
859 continue;
860 case 'w':
861 wflg++;
862 num_cols = atoi(optarg);
863 continue;
864 case 'x':
865 xflg = 1;
866 Cflg = 1;
867 mflg = 0;
868 #ifdef XPG4
869 lflg = 0;
870 #endif
871 continue;
872 case '1':
873 Cflg = 0;
874 continue;
875 case '@':
876 #if !defined(XPG4)
877 /*
878 * -l has precedence over -@
879 */
880 if (lflg)
881 continue;
882 #endif
883 atflg++;
884 lflg++;
885 statreq++;
886 Cflg = 0;
887 xflg = 0;
888 mflg = 0;
889 continue;
890 case '/':
891 saflg++;
892 if (optarg != NULL) {
893 if (strcmp(optarg, "c") == 0) {
894 copt++;
895 vopt = 0;
896 } else if (strcmp(optarg, "v") == 0) {
897 vopt++;
898 copt = 0;
899 } else
900 opterr++;
901 } else
902 opterr++;
903 lflg++;
904 statreq++;
905 Cflg = 0;
906 xflg = 0;
907 mflg = 0;
908 continue;
909 case '%':
910 tmflg++;
911 if (optarg != NULL) {
912 if (strcmp(optarg, "ctime") == 0) {
913 ctm++;
914 atm = 0;
915 mtm = 0;
916 crtm = 0;
917 } else if (strcmp(optarg, "atime") == 0) {
918 atm++;
919 ctm = 0;
920 mtm = 0;
921 crtm = 0;
922 uflg = 0;
923 cflg = 0;
924 } else if (strcmp(optarg, "mtime") == 0) {
925 mtm++;
926 atm = 0;
927 ctm = 0;
928 crtm = 0;
929 uflg = 0;
930 cflg = 0;
931 } else if (strcmp(optarg, "crtime") == 0) {
932 crtm++;
933 atm = 0;
934 ctm = 0;
935 mtm = 0;
936 uflg = 0;
937 cflg = 0;
938 } else if (strcmp(optarg, "all") == 0) {
939 alltm++;
940 atm = 0;
941 ctm = 0;
942 mtm = 0;
943 crtm = 0;
944 } else
945 opterr++;
946 } else
947 opterr++;
948
949 Sflg = 0;
950 statreq++;
951 mflg = 0;
952 continue;
953 case '?':
954 opterr++;
955 continue;
956 }
957
958 if (opterr) {
959 (void) fprintf(stderr, gettext(
960 "usage: ls -aAbBcCdeEfFghHiklLmnopqrRsStuUwxvV1@/%[c | v]"
961 "%%[atime | crtime | ctime | mtime | all]"
962 " [files]\n"));
963 exit(2);
964 }
965
966 if (fflg) {
967 aflg++;
968 lflg = 0;
969 sflg = 0;
970 tflg = 0;
971 Sflg = 0;
972 statreq = 0;
973 }
974
975 fixedwidth = 2;
976 if (pflg || Fflg)
977 fixedwidth++;
978 if (iflg)
979 fixedwidth += 11;
980 if (sflg)
981 fixedwidth += 5;
982
983 if (lflg) {
984 if (!gflg && !oflg)
985 gflg = oflg = 1;
986 else
987 if (gflg && oflg)
988 gflg = oflg = 0;
989 Cflg = mflg = 0;
990 }
991
992 if (!wflg && (Cflg || mflg)) {
993 char *clptr;
994 if ((clptr = getenv("COLUMNS")) != NULL)
995 num_cols = atoi(clptr);
996 #ifdef TERMINFO
997 else {
998 if (ioctl(1, TIOCGWINSZ, &win) != -1)
999 num_cols = (win.ws_col == 0 ? 80 : win.ws_col);
1000 }
1001 #endif
1002 }
1003
1004 /*
1005 * When certain options (-f, or -U and -1, and not -l, etc.) are
1006 * specified, don't cache each dirent as it's read. This 'noflist'
1007 * option is set when there's no need to cache those dirents; instead,
1008 * print them out as they're read.
1009 */
1010 if ((Uflg || fflg) && !Cflg && !lflg && !iflg && statreq == 0)
1011 noflist = 1;
1012
1013 if (num_cols < 20 || num_cols > 1000)
1014 /* assume it is an error */
1015 num_cols = 80;
1016
1017 /* allocate space for flist and the associated */
1018 /* data structures (lbufs) */
1019 maxfils = quantn;
1020 if (((flist = malloc(maxfils * sizeof (struct lbuf *))) == NULL) ||
1021 ((nxtlbf = malloc(quantn * sizeof (struct lbuf))) == NULL)) {
1022 perror("ls");
1023 exit(2);
1024 }
1025 if ((amino = (argc-optind)) == 0) {
1026 /*
1027 * case when no names are given
1028 * in ls-command and current
1029 * directory is to be used
1030 */
1031 argv[optind] = dotp;
1032 }
1033
1034 if (colorflg)
1035 ls_color_init();
1036
1037 for (i = 0; i < (amino ? amino : 1); i++) {
1038
1039 /*
1040 * If we are recursing, we need to make sure we don't
1041 * get into an endless loop. To keep track of the inodes
1042 * (actually, just the directories) visited, we
1043 * maintain a directory ancestry list for a file
1044 * hierarchy. As we go deeper into the hierarchy,
1045 * a parent directory passes its directory list
1046 * info (device id, inode number, and a pointer to
1047 * its parent) to each of its children. As we
1048 * process a child that is a directory, we save
1049 * its own personal directory list info. We then
1050 * check to see if the child has already been
1051 * processed by comparing its device id and inode
1052 * number from its own personal directory list info
1053 * to that of each of its ancestors. If there is a
1054 * match, then we know we've detected a cycle.
1055 */
1056 if (Rflg) {
1057 /*
1058 * This is the first parent in this lineage
1059 * (first in a directory hierarchy), so
1060 * this parent's parent doesn't exist. We
1061 * only initialize myinfo when we are
1062 * recursing, otherwise it's not used.
1063 */
1064 if ((myinfo = (struct ditem *)malloc(
1065 sizeof (struct ditem))) == NULL) {
1066 perror("ls");
1067 exit(2);
1068 } else {
1069 myinfo->dev = 0;
1070 myinfo->ino = 0;
1071 myinfo->parent = NULL;
1072 }
1073 }
1074
1075 if (Cflg || mflg) {
1076 width = strcol((unsigned char *)argv[optind]);
1077 if (width > filewidth)
1078 filewidth = width;
1079 }
1080 if ((ep = gstat((*argv[optind] ? argv[optind] : dotp),
1081 1, myinfo)) == NULL) {
1082 if (nomocore)
1083 exit(2);
1084 err = 2;
1085 optind++;
1086 continue;
1087 }
1088 ep->ln.namep = (*argv[optind] ? argv[optind] : dotp);
1089 ep->lflags |= ISARG;
1090 optind++;
1091 nargs++; /* count good arguments stored in flist */
1092 if (acl_err)
1093 err = 2;
1094 }
1095 colwidth = fixedwidth + filewidth;
1096 if (!Uflg)
1097 qsort(flist, (unsigned)nargs, sizeof (struct lbuf *),
1098 (int (*)(const void *, const void *))compar);
1099 for (i = 0; i < nargs; i++) {
1100 if ((flist[i]->ltype == 'd' && dflg == 0) || fflg)
1101 break;
1102 }
1103
1104 pem(&flist[0], &flist[i], 0);
1105 for (; i < nargs; i++) {
1106 pdirectory(flist[i]->ln.namep, Rflg ||
1107 (amino > 1), nargs, 0, flist[i]->ancinfo);
1108 if (nomocore)
1109 exit(2);
1110 /* -R: print subdirectories found */
1111 while (dfirst || cdfirst) {
1112 /* Place direct subdirs on front in right order */
1113 while (cdfirst) {
1114 /* reverse cdfirst onto front of dfirst */
1115 dtemp = cdfirst;
1116 cdfirst = cdfirst -> dc_next;
1117 dtemp -> dc_next = dfirst;
1118 dfirst = dtemp;
1119 }
1120 /* take off first dir on dfirst & print it */
1121 dtemp = dfirst;
1122 dfirst = dfirst->dc_next;
1123 pdirectory(dtemp->dc_name, 1, nargs,
1124 dtemp->cycle_detected, dtemp->myancinfo);
1125 if (nomocore)
1126 exit(2);
1127 free(dtemp->dc_name);
1128 free(dtemp);
1129 }
1130 }
1131
1132 return (err);
1133 }
1134
1135 /*
1136 * pdirectory: print the directory name, labelling it if title is
1137 * nonzero, using lp as the place to start reading in the dir.
1138 */
1139 static void
1140 pdirectory(char *name, int title, int lp, int cdetect, struct ditem *myinfo)
1141 {
1142 struct dchain *dp;
1143 struct lbuf *ap;
1144 char *pname;
1145 int j;
1146
1147 filewidth = 0;
1148 curdir = name;
1149 if (title) {
1150 if (!first)
1151 (void) putc('\n', stdout);
1152 pprintf(name, ":");
1153 new_line();
1154 }
1155 /*
1156 * If there was a cycle detected, then notify and don't report
1157 * further.
1158 */
1159 if (cdetect) {
1160 if (lflg || sflg) {
1161 curcol += printf(gettext("total %d"), 0);
1162 new_line();
1163 }
1164 (void) fprintf(stderr, gettext(
1165 "ls: cycle detected for %s\n"), name);
1166 return;
1167 }
1168
1169 nfiles = lp;
1170 rddir(name, myinfo);
1171 if (nomocore || noflist)
1172 return;
1173 if (fflg == 0 && Uflg == 0)
1174 qsort(&flist[lp], (unsigned)(nfiles - lp),
1175 sizeof (struct lbuf *),
1176 (int (*)(const void *, const void *))compar);
1177 if (Rflg) {
1178 for (j = nfiles - 1; j >= lp; j--) {
1179 ap = flist[j];
1180 if (ap->ltype == 'd' && strcmp(ap->ln.lname, ".") &&
1181 strcmp(ap->ln.lname, "..")) {
1182 dp = malloc(sizeof (struct dchain));
1183 if (dp == NULL) {
1184 perror("ls");
1185 exit(2);
1186 }
1187 pname = makename(curdir, ap->ln.lname);
1188 if ((dp->dc_name = strdup(pname)) == NULL) {
1189 perror("ls");
1190 exit(2);
1191 }
1192 dp->cycle_detected = ap->cycle;
1193 dp->myancinfo = ap->ancinfo;
1194 dp->dc_next = dfirst;
1195 dfirst = dp;
1196 }
1197 }
1198 }
1199 if (lflg || sflg) {
1200 curcol += printf(gettext("total %llu"), tblocks);
1201 new_line();
1202 }
1203 pem(&flist[lp], &flist[nfiles], lflg||sflg);
1204 }
1205
1206 /*
1207 * pem: print 'em. Print a list of files (e.g. a directory) bounded
1208 * by slp and lp.
1209 */
1210 static void
1211 pem(struct lbuf **slp, struct lbuf **lp, int tot_flag)
1212 {
1213 long row, nrows, i;
1214 int col, ncols = 1;
1215 struct lbuf **ep;
1216
1217 if (Cflg || mflg) {
1218 if (colwidth <= num_cols) {
1219 ncols = num_cols / colwidth;
1220 }
1221 }
1222
1223 if (ncols == 1 || mflg || xflg || !Cflg) {
1224 for (ep = slp; ep < lp; ep++)
1225 pentry(*ep);
1226 new_line();
1227 return;
1228 }
1229 /* otherwise print -C columns */
1230 if (tot_flag) {
1231 slp--;
1232 row = 1;
1233 }
1234 else
1235 row = 0;
1236
1237 nrows = (lp - slp - 1) / ncols + 1;
1238 for (i = 0; i < nrows; i++, row++) {
1239 for (col = 0; col < ncols; col++) {
1240 ep = slp + (nrows * col) + row;
1241 if (ep < lp)
1242 pentry(*ep);
1243 }
1244 new_line();
1245 }
1246 }
1247
1248 /*
1249 * print one output entry;
1250 * if uid/gid is not found in the appropriate
1251 * file(passwd/group), then print uid/gid instead of
1252 * user/group name;
1253 */
1254 static void
1255 pentry(struct lbuf *ap)
1256 {
1257 struct lbuf *p;
1258 numbuf_t hbuf;
1259 char *dmark = ""; /* Used if -p or -F option active */
1260 char *cp;
1261 char *str;
1262
1263 if (noflist) {
1264 (void) printf("%s\n", (ap->lflags & ISARG) ? ap->ln.namep :
1265 ap->ln.lname);
1266 return;
1267 }
1268
1269 p = ap;
1270 column();
1271 if (iflg) {
1272 if (mflg && !lflg)
1273 curcol += printf("%llu ", (long long)p->lnum);
1274 else
1275 curcol += printf("%10llu ", (long long)p->lnum);
1276 }
1277 if (sflg) {
1278 curcol += printf((mflg && !lflg) ? "%lld " :
1279 (p->lblocks < 10000) ? "%4lld " : "%lld ",
1280 (p->ltype != 'b' && p->ltype != 'c') ?
1281 p->lblocks : 0LL);
1282 }
1283 if (lflg) {
1284 (void) putchar(p->ltype);
1285 curcol++;
1286 pmode(p->lflags);
1287
1288 /* ACL: additional access mode flag */
1289 (void) putchar(p->acl);
1290 curcol++;
1291
1292 curcol += printf("%3lu ", (ulong_t)p->lnl);
1293 if (oflg) {
1294 if (!nflg) {
1295 cp = getname(p->luid);
1296 curcol += printf("%-8s ", cp);
1297 } else
1298 curcol += printf("%-8lu ", (ulong_t)p->luid);
1299 }
1300 if (gflg) {
1301 if (!nflg) {
1302 cp = getgroup(p->lgid);
1303 curcol += printf("%-8s ", cp);
1304 } else
1305 curcol += printf("%-8lu ", (ulong_t)p->lgid);
1306 }
1307 if (p->ltype == 'b' || p->ltype == 'c') {
1308 curcol += printf("%3u, %2u",
1309 (uint_t)major((dev_t)p->lsize),
1310 (uint_t)minor((dev_t)p->lsize));
1311 } else if (hflg && (p->lsize >= hscale)) {
1312 curcol += printf("%7s",
1313 number_to_scaled_string(hbuf, p->lsize, hscale));
1314 } else {
1315 uint64_t bsize = p->lsize / block_size;
1316
1317 /*
1318 * Round up only when using blocks > 1 byte, otherwise
1319 * 'normal' sizes display 1 byte too large.
1320 */
1321 if (p->lsize % block_size != 0)
1322 bsize++;
1323
1324 curcol += printf("%7" PRIu64, bsize);
1325 }
1326 format_time(p->lmtime.tv_sec, p->lmtime.tv_nsec);
1327 /* format extended system attribute time */
1328 if (tmflg && crtm)
1329 format_attrtime(p);
1330
1331 curcol += printf("%s", time_buf);
1332
1333 }
1334 /*
1335 * prevent both "->" and trailing marks
1336 * from appearing
1337 */
1338
1339 if (pflg && p->ltype == 'd')
1340 dmark = "/";
1341
1342 if (Fflg && !(lflg && p->flinkto)) {
1343 if (p->ltype == 'd')
1344 dmark = "/";
1345 else if (p->ltype == 'D')
1346 dmark = ">";
1347 else if (p->ltype == 'p')
1348 dmark = "|";
1349 else if (p->ltype == 'l')
1350 dmark = "@";
1351 else if (p->ltype == 's')
1352 dmark = "=";
1353 else if (!file_typeflg &&
1354 (p->lflags & (S_IXUSR|S_IXGRP|S_IXOTH)))
1355 dmark = "*";
1356 else
1357 dmark = "";
1358 }
1359
1360 if (colorflg)
1361 ls_start_color(p->color);
1362
1363 if (p->lflags & ISARG)
1364 str = p->ln.namep;
1365 else
1366 str = p->ln.lname;
1367
1368 if (qflg || bflg) {
1369 csi_pprintf((unsigned char *)str);
1370
1371 if (lflg && p->flinkto) {
1372 if (colorflg)
1373 ls_end_color();
1374 csi_pprintf((unsigned char *)" -> ");
1375 if (colorflg)
1376 ls_start_color(p->link_color);
1377 csi_pprintf((unsigned char *)p->flinkto);
1378 } else {
1379 csi_pprintf((unsigned char *)dmark);
1380 }
1381 } else {
1382 (void) printf("%s", str);
1383 curcol += strcol((unsigned char *)str);
1384
1385 if (lflg && p->flinkto) {
1386 if (colorflg)
1387 ls_end_color();
1388 str = " -> ";
1389 (void) printf("%s", str);
1390 curcol += strcol((unsigned char *)str);
1391 if (colorflg)
1392 ls_start_color(p->link_color);
1393 (void) printf("%s", p->flinkto);
1394 curcol += strcol((unsigned char *)p->flinkto);
1395 } else {
1396 (void) printf("%s", dmark);
1397 curcol += strcol((unsigned char *)dmark);
1398 }
1399 }
1400
1401 if (colorflg)
1402 ls_end_color();
1403
1404 /* Display extended system attributes */
1405 if (saflg) {
1406 int i;
1407
1408 new_line();
1409 (void) printf(" \t{");
1410 if (p->exttr != NULL) {
1411 int k = 0;
1412 for (i = 0; i < sacnt; i++) {
1413 if (p->exttr[i].name != NULL)
1414 k++;
1415 }
1416 for (i = 0; i < sacnt; i++) {
1417 if (p->exttr[i].name != NULL) {
1418 (void) printf("%s", p->exttr[i].name);
1419 k--;
1420 if (vopt && (k != 0))
1421 (void) printf(",");
1422 }
1423 }
1424 }
1425 (void) printf("}\n");
1426 }
1427 /* Display file timestamps and extended system attribute timestamps */
1428 if (tmflg && alltm) {
1429 new_line();
1430 print_time(p);
1431 new_line();
1432 }
1433 if (vflg) {
1434 new_line();
1435 if (p->aclp) {
1436 acl_printacl(p->aclp, num_cols, Vflg);
1437 }
1438 }
1439 /* Free extended system attribute lists */
1440 if (saflg || tmflg)
1441 free_sysattr(p);
1442 }
1443
1444 /* print various r,w,x permissions */
1445 static void
1446 pmode(mode_t aflag)
1447 {
1448 /* these arrays are declared static to allow initializations */
1449 static int m0[] = { 1, S_IRUSR, 'r', '-' };
1450 static int m1[] = { 1, S_IWUSR, 'w', '-' };
1451 static int m2[] = { 3, S_ISUID|S_IXUSR, 's', S_IXUSR,
1452 'x', S_ISUID, 'S', '-' };
1453 static int m3[] = { 1, S_IRGRP, 'r', '-' };
1454 static int m4[] = { 1, S_IWGRP, 'w', '-' };
1455 static int m5[] = { 4, S_ISGID|S_IXGRP, 's', S_IXGRP,
1456 'x', S_ISGID|LS_NOTREG, 'S',
1457 #ifdef XPG4
1458 S_ISGID, 'L', '-'};
1459 #else
1460 S_ISGID, 'l', '-'};
1461 #endif
1462 static int m6[] = { 1, S_IROTH, 'r', '-' };
1463 static int m7[] = { 1, S_IWOTH, 'w', '-' };
1464 static int m8[] = { 3, S_ISVTX|S_IXOTH, 't', S_IXOTH,
1465 'x', S_ISVTX, 'T', '-'};
1466
1467 static int *m[] = { m0, m1, m2, m3, m4, m5, m6, m7, m8};
1468
1469 int **mp;
1470
1471 flags = aflag;
1472 for (mp = &m[0]; mp < &m[sizeof (m) / sizeof (m[0])]; mp++)
1473 selection(*mp);
1474 }
1475
1476 static void
1477 selection(int *pairp)
1478 {
1479 int n;
1480
1481 n = *pairp++;
1482 while (n-->0) {
1483 if ((flags & *pairp) == *pairp) {
1484 pairp++;
1485 break;
1486 } else {
1487 pairp += 2;
1488 }
1489 }
1490 (void) putchar(*pairp);
1491 curcol++;
1492 }
1493
1494 /*
1495 * column: get to the beginning of the next column.
1496 */
1497 static void
1498 column(void)
1499 {
1500 if (curcol == 0)
1501 return;
1502 if (mflg) {
1503 (void) putc(',', stdout);
1504 curcol++;
1505 if (curcol + colwidth + 2 > num_cols) {
1506 (void) putc('\n', stdout);
1507 curcol = 0;
1508 return;
1509 }
1510 (void) putc(' ', stdout);
1511 curcol++;
1512 return;
1513 }
1514 if (Cflg == 0) {
1515 (void) putc('\n', stdout);
1516 curcol = 0;
1517 return;
1518 }
1519 if ((curcol / colwidth + 2) * colwidth > num_cols) {
1520 (void) putc('\n', stdout);
1521 curcol = 0;
1522 return;
1523 }
1524 do {
1525 (void) putc(' ', stdout);
1526 curcol++;
1527 } while (curcol % colwidth);
1528 }
1529
1530 static void
1531 new_line(void)
1532 {
1533 if (curcol) {
1534 first = 0;
1535 (void) putc('\n', stdout);
1536 curcol = 0;
1537 }
1538 }
1539
1540 /*
1541 * read each filename in directory dir and store its
1542 * status in flist[nfiles]
1543 * use makename() to form pathname dir/filename;
1544 */
1545 static void
1546 rddir(char *dir, struct ditem *myinfo)
1547 {
1548 struct dirent *dentry;
1549 DIR *dirf;
1550 int j;
1551 struct lbuf *ep;
1552 int width;
1553
1554 if ((dirf = opendir(dir)) == NULL) {
1555 (void) fflush(stdout);
1556 perror(dir);
1557 err = 2;
1558 return;
1559 } else {
1560 tblocks = 0;
1561 for (;;) {
1562 errno = 0;
1563 if ((dentry = readdir(dirf)) == NULL)
1564 break;
1565 if (aflg == 0 && dentry->d_name[0] == '.' &&
1566 (Aflg == 0 ||
1567 dentry->d_name[1] == '\0' ||
1568 (dentry->d_name[1] == '.' &&
1569 dentry->d_name[2] == '\0')))
1570 /*
1571 * check for directory items '.', '..',
1572 * and items without valid inode-number;
1573 */
1574 continue;
1575
1576 /* skip entries ending in ~ if -B was given */
1577 if (Bflg &&
1578 dentry->d_name[strlen(dentry->d_name) - 1] == '~')
1579 continue;
1580 if (Cflg || mflg) {
1581 width = strcol((unsigned char *)dentry->d_name);
1582 if (width > filewidth)
1583 filewidth = width;
1584 }
1585 ep = gstat(makename(dir, dentry->d_name), 0, myinfo);
1586 if (ep == NULL) {
1587 if (nomocore)
1588 exit(2);
1589 continue;
1590 } else {
1591 ep->lnum = dentry->d_ino;
1592 for (j = 0; dentry->d_name[j] != '\0'; j++)
1593 ep->ln.lname[j] = dentry->d_name[j];
1594 ep->ln.lname[j] = '\0';
1595
1596 /*
1597 * Since this entry doesn't need to be sorted
1598 * or further processed, print it right away.
1599 */
1600 if (noflist) {
1601 pem(&ep, &ep + 1, 0);
1602 nfiles--;
1603 }
1604 }
1605 }
1606 if (errno) {
1607 int sav_errno = errno;
1608
1609 (void) fprintf(stderr,
1610 gettext("ls: error reading directory %s: %s\n"),
1611 dir, strerror(sav_errno));
1612 }
1613 (void) closedir(dirf);
1614 colwidth = fixedwidth + filewidth;
1615 }
1616 }
1617
1618 /*
1619 * Attaching a link to an inode's ancestors. Search
1620 * through the ancestors to check for cycles (an inode which
1621 * we have already tracked in this inodes ancestry). If a cycle
1622 * is detected, set the exit code and record the fact so that
1623 * it is reported at the right time when printing the directory.
1624 * In addition, set the exit code. Note: If the -a flag was
1625 * specified, we don't want to check for cycles for directories
1626 * ending in '/.' or '/..' unless they were specified on the
1627 * command line.
1628 */
1629 static void
1630 record_ancestry(char *file, struct stat *pstatb, struct lbuf *rep,
1631 int argfl, struct ditem *myparent)
1632 {
1633 size_t file_len;
1634 struct ditem *myinfo;
1635 struct ditem *tptr;
1636
1637 file_len = strlen(file);
1638 if (!aflg || argfl || (NOTWORKINGDIR(file, file_len) &&
1639 NOTPARENTDIR(file, file_len))) {
1640 /*
1641 * Add this inode's ancestry
1642 * info and insert it into the
1643 * ancestry list by pointing
1644 * back to its parent. We save
1645 * it (in rep) with the other info
1646 * we're gathering for this inode.
1647 */
1648 if ((myinfo = malloc(
1649 sizeof (struct ditem))) == NULL) {
1650 perror("ls");
1651 exit(2);
1652 }
1653 myinfo->dev = pstatb->st_dev;
1654 myinfo->ino = pstatb->st_ino;
1655 myinfo->parent = myparent;
1656 rep->ancinfo = myinfo;
1657
1658 /*
1659 * If this node has the same device id and
1660 * inode number of one of its ancestors,
1661 * then we've detected a cycle.
1662 */
1663 if (myparent != NULL) {
1664 for (tptr = myparent; tptr->parent != NULL;
1665 tptr = tptr->parent) {
1666 if ((tptr->dev == pstatb->st_dev) &&
1667 (tptr->ino == pstatb->st_ino)) {
1668 /*
1669 * Cycle detected for this
1670 * directory. Record the fact
1671 * it is a cycle so we don't
1672 * try to process this
1673 * directory as we are
1674 * walking through the
1675 * list of directories.
1676 */
1677 rep->cycle = 1;
1678 err = 2;
1679 break;
1680 }
1681 }
1682 }
1683 }
1684 }
1685
1686 /*
1687 * Do re-calculate the mode for group for ACE_T type of acls.
1688 * This is because, if the server's FS happens to be UFS, supporting
1689 * POSIX ACL's, then it does a special calculation of group mode
1690 * to be the bitwise OR of CLASS_OBJ and GROUP_OBJ (see PSARC/2001/717.)
1691 *
1692 * This algorithm is from the NFSv4 ACL Draft. Here a part of that
1693 * algorithm is used for the group mode calculation only.
1694 * What is modified here from the algorithm is that only the
1695 * entries with flags ACE_GROUP are considered. For each entry
1696 * with ACE_GROUP flag, the first occurance of a specific access
1697 * is checked if it is allowed.
1698 * We are not interested in perms for user and other, as they
1699 * were taken from st_mode value.
1700 * We are not interested in a_who field of ACE, as we need just
1701 * unix mode bits for the group.
1702 */
1703
1704 #define OWNED_GROUP (ACE_GROUP | ACE_IDENTIFIER_GROUP)
1705 #define IS_TYPE_ALLOWED(type) ((type) == ACE_ACCESS_ALLOWED_ACE_TYPE)
1706
1707 int
1708 grp_mask_to_mode(struct lbuf *p)
1709 {
1710 int mode = 0, seen = 0;
1711 int acecnt;
1712 int flags;
1713 ace_t *ap;
1714 acl_t *acep = p->aclp;
1715
1716 acecnt = acl_cnt(acep);
1717 for (ap = (ace_t *)acl_data(acep); acecnt--; ap++) {
1718
1719 if (ap->a_type != ACE_ACCESS_ALLOWED_ACE_TYPE &&
1720 ap->a_type != ACE_ACCESS_DENIED_ACE_TYPE)
1721 continue;
1722
1723 if (ap->a_flags & ACE_INHERIT_ONLY_ACE)
1724 continue;
1725
1726 /*
1727 * if it is first group@ or first everyone@
1728 * for each of read, write and execute, then
1729 * that will be the group mode bit.
1730 */
1731 flags = ap->a_flags & ACE_TYPE_FLAGS;
1732 if (flags == OWNED_GROUP || (flags == ACE_IDENTIFIER_GROUP &&
1733 ap->a_who == p->lgid) || flags == ACE_EVERYONE) {
1734 if (ap->a_access_mask & ACE_READ_DATA) {
1735 if (!(seen & S_IRGRP)) {
1736 seen |= S_IRGRP;
1737 if (IS_TYPE_ALLOWED(ap->a_type))
1738 mode |= S_IRGRP;
1739 }
1740 }
1741 if (ap->a_access_mask & ACE_WRITE_DATA) {
1742 if (!(seen & S_IWGRP)) {
1743 seen |= S_IWGRP;
1744 if (IS_TYPE_ALLOWED(ap->a_type))
1745 mode |= S_IWGRP;
1746 }
1747 }
1748 if (ap->a_access_mask & ACE_EXECUTE) {
1749 if (!(seen & S_IXGRP)) {
1750 seen |= S_IXGRP;
1751 if (IS_TYPE_ALLOWED(ap->a_type))
1752 mode |= S_IXGRP;
1753 }
1754 }
1755 }
1756 }
1757 return (mode);
1758 }
1759
1760 /*
1761 * get status of file and recomputes tblocks;
1762 * argfl = 1 if file is a name in ls-command and = 0
1763 * for filename in a directory whose name is an
1764 * argument in the command;
1765 * stores a pointer in flist[nfiles] and
1766 * returns that pointer;
1767 * returns NULL if failed;
1768 */
1769 static struct lbuf *
1770 gstat(char *file, int argfl, struct ditem *myparent)
1771 {
1772 struct stat statb, statb1;
1773 struct lbuf *rep;
1774 char buf[BUFSIZ];
1775 ssize_t cc;
1776 int (*statf)() = ((Lflg) || (Hflg && argfl)) ? stat : lstat;
1777 int aclcnt;
1778 int error;
1779 aclent_t *tp;
1780 o_mode_t groupperm, mask;
1781 int grouppermfound, maskfound;
1782
1783 if (nomocore)
1784 return (NULL);
1785
1786 if (nfiles >= maxfils) {
1787 /*
1788 * all flist/lbuf pair assigned files, time to get some
1789 * more space
1790 */
1791 maxfils += quantn;
1792 if (((flist = realloc(flist,
1793 maxfils * sizeof (struct lbuf *))) == NULL) ||
1794 ((nxtlbf = malloc(quantn *
1795 sizeof (struct lbuf))) == NULL)) {
1796 perror("ls");
1797 nomocore = 1;
1798 return (NULL);
1799 }
1800 }
1801
1802 /*
1803 * nfiles is reset to nargs for each directory
1804 * that is given as an argument maxn is checked
1805 * to prevent the assignment of an lbuf to a flist entry
1806 * that already has one assigned.
1807 */
1808 if (nfiles >= maxn) {
1809 rep = nxtlbf++;
1810 flist[nfiles++] = rep;
1811 maxn = nfiles;
1812 } else {
1813 rep = flist[nfiles++];
1814 }
1815
1816 /* Clear the lbuf */
1817 (void) memset((void *) rep, 0, sizeof (struct lbuf));
1818
1819 /*
1820 * When noflist is set, none of the extra information about the dirent
1821 * will be printed, so omit remaining initialization of this lbuf
1822 * as well as the stat(2) call.
1823 */
1824 if (!argfl && noflist)
1825 return (rep);
1826
1827 /* Initialize non-zero members */
1828
1829 rep->lat.tv_sec = time(NULL);
1830 rep->lct.tv_sec = time(NULL);
1831 rep->lmt.tv_sec = time(NULL);
1832
1833 if (argfl || statreq) {
1834 int doacl;
1835
1836 if (lflg)
1837 doacl = 1;
1838 else
1839 doacl = 0;
1840
1841 if ((*statf)(file, &statb) < 0) {
1842 if (argfl || errno != ENOENT ||
1843 (Lflg && lstat(file, &statb) == 0)) {
1844 /*
1845 * Avoid race between readdir and lstat.
1846 * Print error message in case of dangling link.
1847 */
1848 perror(file);
1849 err = 2;
1850 }
1851 nfiles--;
1852 return (NULL);
1853 }
1854
1855 /*
1856 * If -H was specified, and the file linked to was
1857 * not a directory, then we need to get the info
1858 * for the symlink itself.
1859 */
1860 if ((Hflg) && (argfl) &&
1861 ((statb.st_mode & S_IFMT) != S_IFDIR)) {
1862 if (lstat(file, &statb) < 0) {
1863 perror(file);
1864 err = 2;
1865 }
1866 }
1867
1868 rep->lnum = statb.st_ino;
1869 rep->lsize = statb.st_size;
1870 rep->lblocks = statb.st_blocks;
1871 if (colorflg)
1872 rep->color = ls_color_find(file, statb.st_mode);
1873
1874 switch (statb.st_mode & S_IFMT) {
1875 case S_IFDIR:
1876 rep->ltype = 'd';
1877 if (Rflg) {
1878 record_ancestry(file, &statb, rep,
1879 argfl, myparent);
1880 }
1881 break;
1882 case S_IFBLK:
1883 rep->ltype = 'b';
1884 rep->lsize = (off_t)statb.st_rdev;
1885 break;
1886 case S_IFCHR:
1887 rep->ltype = 'c';
1888 rep->lsize = (off_t)statb.st_rdev;
1889 break;
1890 case S_IFIFO:
1891 rep->ltype = 'p';
1892 break;
1893 case S_IFSOCK:
1894 rep->ltype = 's';
1895 rep->lsize = 0;
1896 break;
1897 case S_IFLNK:
1898 /* symbolic links may not have ACLs, so elide acl() */
1899 if ((Lflg == 0) || (Hflg == 0) ||
1900 ((Hflg) && (!argfl))) {
1901 doacl = 0;
1902 }
1903 rep->ltype = 'l';
1904 if (lflg || colorflg) {
1905 cc = readlink(file, buf, BUFSIZ);
1906 if (cc < 0)
1907 break;
1908
1909 /*
1910 * follow the symbolic link
1911 * to generate the appropriate
1912 * Fflg marker for the object
1913 * eg, /bin -> /sym/bin/
1914 */
1915 error = 0;
1916 if (Fflg || pflg || colorflg)
1917 error = stat(file, &statb1);
1918
1919 if (colorflg) {
1920 if (error >= 0)
1921 rep->link_color =
1922 ls_color_find(file,
1923 statb1.st_mode);
1924 else
1925 rep->link_color =
1926 lsc_orphan;
1927 }
1928
1929 if ((Fflg || pflg) && error >= 0) {
1930 switch (statb1.st_mode & S_IFMT) {
1931 case S_IFDIR:
1932 buf[cc++] = '/';
1933 break;
1934 case S_IFSOCK:
1935 buf[cc++] = '=';
1936 break;
1937 case S_IFDOOR:
1938 buf[cc++] = '>';
1939 break;
1940 case S_IFIFO:
1941 buf[cc++] = '|';
1942 break;
1943 default:
1944 if ((statb1.st_mode & ~S_IFMT) &
1945 (S_IXUSR|S_IXGRP| S_IXOTH))
1946 buf[cc++] = '*';
1947 break;
1948 }
1949 }
1950 buf[cc] = '\0';
1951 rep->flinkto = strdup(buf);
1952 if (rep->flinkto == NULL) {
1953 perror("ls");
1954 nomocore = 1;
1955 return (NULL);
1956 }
1957 break;
1958 }
1959
1960 /*
1961 * ls /sym behaves differently from ls /sym/
1962 * when /sym is a symbolic link. This is fixed
1963 * when explicit arguments are specified.
1964 */
1965
1966 #ifdef XPG6
1967 /* Do not follow a symlink when -F is specified */
1968 if ((!argfl) || (argfl && Fflg) ||
1969 (stat(file, &statb1) < 0))
1970 #else
1971 /* Follow a symlink when -F is specified */
1972 if (!argfl || stat(file, &statb1) < 0)
1973 #endif /* XPG6 */
1974 break;
1975 if ((statb1.st_mode & S_IFMT) == S_IFDIR) {
1976 statb = statb1;
1977 rep->ltype = 'd';
1978 rep->lsize = statb1.st_size;
1979 if (Rflg) {
1980 record_ancestry(file, &statb, rep,
1981 argfl, myparent);
1982 }
1983 }
1984 break;
1985 case S_IFDOOR:
1986 rep->ltype = 'D';
1987 break;
1988 case S_IFREG:
1989 rep->ltype = '-';
1990 break;
1991 case S_IFPORT:
1992 rep->ltype = 'P';
1993 break;
1994 default:
1995 rep->ltype = '?';
1996 break;
1997 }
1998 rep->lflags = statb.st_mode & ~S_IFMT;
1999
2000 if (!S_ISREG(statb.st_mode))
2001 rep->lflags |= LS_NOTREG;
2002
2003 rep->luid = statb.st_uid;
2004 rep->lgid = statb.st_gid;
2005 rep->lnl = statb.st_nlink;
2006 if (uflg || (tmflg && atm))
2007 rep->lmtime = statb.st_atim;
2008 else if (cflg || (tmflg && ctm))
2009 rep->lmtime = statb.st_ctim;
2010 else
2011 rep->lmtime = statb.st_mtim;
2012 rep->lat = statb.st_atim;
2013 rep->lct = statb.st_ctim;
2014 rep->lmt = statb.st_mtim;
2015
2016 /* ACL: check acl entries count */
2017 if (doacl) {
2018
2019 error = acl_get(file, 0, &rep->aclp);
2020 if (error) {
2021 (void) fprintf(stderr,
2022 gettext("ls: can't read ACL on %s: %s\n"),
2023 file, acl_strerror(error));
2024 rep->acl = ' ';
2025 acl_err++;
2026 return (rep);
2027 }
2028
2029 rep->acl = ' ';
2030
2031 if (rep->aclp &&
2032 ((acl_flags(rep->aclp) & ACL_IS_TRIVIAL) == 0)) {
2033 rep->acl = '+';
2034 /*
2035 * Special handling for ufs aka aclent_t ACL's
2036 */
2037 if (acl_type(rep->aclp) == ACLENT_T) {
2038 /*
2039 * For files with non-trivial acls, the
2040 * effective group permissions are the
2041 * intersection of the GROUP_OBJ value
2042 * and the CLASS_OBJ (acl mask) value.
2043 * Determine both the GROUP_OBJ and
2044 * CLASS_OBJ for this file and insert
2045 * the logical AND of those two values
2046 * in the group permissions field
2047 * of the lflags value for this file.
2048 */
2049
2050 /*
2051 * Until found in acl list, assume
2052 * maximum permissions for both group
2053 * a nd mask. (Just in case the acl
2054 * lacks either value for some reason.)
2055 */
2056 groupperm = 07;
2057 mask = 07;
2058 grouppermfound = 0;
2059 maskfound = 0;
2060 aclcnt = acl_cnt(rep->aclp);
2061 for (tp =
2062 (aclent_t *)acl_data(rep->aclp);
2063 aclcnt--; tp++) {
2064 if (tp->a_type == GROUP_OBJ) {
2065 groupperm = tp->a_perm;
2066 grouppermfound = 1;
2067 continue;
2068 }
2069 if (tp->a_type == CLASS_OBJ) {
2070 mask = tp->a_perm;
2071 maskfound = 1;
2072 }
2073 if (grouppermfound && maskfound)
2074 break;
2075 }
2076
2077
2078 /* reset all the group bits */
2079 rep->lflags &= ~S_IRWXG;
2080
2081 /*
2082 * Now set them to the logical AND of
2083 * the GROUP_OBJ permissions and the
2084 * acl mask.
2085 */
2086
2087 rep->lflags |= (groupperm & mask) << 3;
2088
2089 } else if (acl_type(rep->aclp) == ACE_T) {
2090 int mode;
2091 mode = grp_mask_to_mode(rep);
2092 rep->lflags &= ~S_IRWXG;
2093 rep->lflags |= mode;
2094 }
2095 }
2096
2097 if (!vflg && !Vflg && rep->aclp) {
2098 acl_free(rep->aclp);
2099 rep->aclp = NULL;
2100 }
2101
2102 if (atflg && pathconf(file, _PC_XATTR_EXISTS) == 1)
2103 rep->acl = '@';
2104
2105 } else
2106 rep->acl = ' ';
2107
2108 /* mask ISARG and other file-type bits */
2109
2110 if (rep->ltype != 'b' && rep->ltype != 'c')
2111 tblocks += rep->lblocks;
2112
2113 /* Get extended system attributes */
2114
2115 if ((saflg || (tmflg && crtm) || (tmflg && alltm)) &&
2116 (sysattr_support(file, _PC_SATTR_EXISTS) == 1)) {
2117 int i;
2118
2119 sacnt = attr_count();
2120 /*
2121 * Allocate 'sacnt' size array to hold extended
2122 * system attribute name (verbose) or respective
2123 * symbol represenation (compact).
2124 */
2125 rep->exttr = xmalloc(sacnt * sizeof (struct attrb),
2126 rep);
2127
2128 /* initialize boolean attribute list */
2129 for (i = 0; i < sacnt; i++)
2130 rep->exttr[i].name = NULL;
2131 if (get_sysxattr(file, rep) != 0) {
2132 (void) fprintf(stderr,
2133 gettext("ls:Failed to retrieve "
2134 "extended system attribute from "
2135 "%s\n"), file);
2136 rep->exttr[0].name = xmalloc(2, rep);
2137 (void) strlcpy(rep->exttr[0].name, "?", 2);
2138 }
2139 }
2140 }
2141 return (rep);
2142 }
2143
2144 /*
2145 * returns pathname of the form dir/file;
2146 * dir and file are null-terminated strings.
2147 */
2148 static char *
2149 makename(char *dir, char *file)
2150 {
2151 /*
2152 * PATH_MAX is the maximum length of a path name.
2153 * MAXNAMLEN is the maximum length of any path name component.
2154 * Allocate space for both, plus the '/' in the middle
2155 * and the null character at the end.
2156 * dfile is static as this is returned by makename().
2157 */
2158 static char dfile[PATH_MAX + 1 + MAXNAMLEN + 1];
2159 char *dp, *fp;
2160
2161 dp = dfile;
2162 fp = dir;
2163 while (*fp)
2164 *dp++ = *fp++;
2165 if (dp > dfile && *(dp - 1) != '/')
2166 *dp++ = '/';
2167 fp = file;
2168 while (*fp)
2169 *dp++ = *fp++;
2170 *dp = '\0';
2171 return (dfile);
2172 }
2173
2174
2175 #include <pwd.h>
2176 #include <grp.h>
2177 #include <utmpx.h>
2178
2179 struct utmpx utmp;
2180
2181 #define NMAX (sizeof (utmp.ut_name))
2182 #define SCPYN(a, b) (void) strncpy(a, b, NMAX)
2183
2184
2185 struct cachenode { /* this struct must be zeroed before using */
2186 struct cachenode *lesschild; /* subtree whose entries < val */
2187 struct cachenode *grtrchild; /* subtree whose entries > val */
2188 long val; /* the uid or gid of this entry */
2189 int initted; /* name has been filled in */
2190 char name[NMAX+1]; /* the string that val maps to */
2191 };
2192 static struct cachenode *names, *groups;
2193
2194 static struct cachenode *
2195 findincache(struct cachenode **head, long val)
2196 {
2197 struct cachenode **parent = head;
2198 struct cachenode *c = *parent;
2199
2200 while (c != NULL) {
2201 if (val == c->val) {
2202 /* found it */
2203 return (c);
2204 } else if (val < c->val) {
2205 parent = &c->lesschild;
2206 c = c->lesschild;
2207 } else {
2208 parent = &c->grtrchild;
2209 c = c->grtrchild;
2210 }
2211 }
2212
2213 /* not in the cache, make a new entry for it */
2214 c = calloc(1, sizeof (struct cachenode));
2215 if (c == NULL) {
2216 perror("ls");
2217 exit(2);
2218 }
2219 *parent = c;
2220 c->val = val;
2221 return (c);
2222 }
2223
2224 /*
2225 * get name from cache, or passwd file for a given uid;
2226 * lastuid is set to uid.
2227 */
2228 static char *
2229 getname(uid_t uid)
2230 {
2231 struct passwd *pwent;
2232 struct cachenode *c;
2233
2234 if ((uid == lastuid) && lastuname)
2235 return (lastuname);
2236
2237 c = findincache(&names, uid);
2238 if (c->initted == 0) {
2239 if ((pwent = getpwuid(uid)) != NULL) {
2240 SCPYN(&c->name[0], pwent->pw_name);
2241 } else {
2242 (void) sprintf(&c->name[0], "%-8u", (int)uid);
2243 }
2244 c->initted = 1;
2245 }
2246 lastuid = uid;
2247 lastuname = &c->name[0];
2248 return (lastuname);
2249 }
2250
2251 /*
2252 * get name from cache, or group file for a given gid;
2253 * lastgid is set to gid.
2254 */
2255 static char *
2256 getgroup(gid_t gid)
2257 {
2258 struct group *grent;
2259 struct cachenode *c;
2260
2261 if ((gid == lastgid) && lastgname)
2262 return (lastgname);
2263
2264 c = findincache(&groups, gid);
2265 if (c->initted == 0) {
2266 if ((grent = getgrgid(gid)) != NULL) {
2267 SCPYN(&c->name[0], grent->gr_name);
2268 } else {
2269 (void) sprintf(&c->name[0], "%-8u", (int)gid);
2270 }
2271 c->initted = 1;
2272 }
2273 lastgid = gid;
2274 lastgname = &c->name[0];
2275 return (lastgname);
2276 }
2277
2278 /* return >0 if item pointed by pp2 should appear first */
2279 static int
2280 compar(struct lbuf **pp1, struct lbuf **pp2)
2281 {
2282 struct lbuf *p1, *p2;
2283
2284 p1 = *pp1;
2285 p2 = *pp2;
2286 if (dflg == 0) {
2287 /*
2288 * compare two names in ls-command one of which is file
2289 * and the other is a directory;
2290 * this portion is not used for comparing files within
2291 * a directory name of ls-command;
2292 */
2293 if (p1->lflags&ISARG && p1->ltype == 'd') {
2294 if (!(p2->lflags&ISARG && p2->ltype == 'd'))
2295 return (1);
2296 } else {
2297 if (p2->lflags&ISARG && p2->ltype == 'd')
2298 return (-1);
2299 }
2300 }
2301 if (tflg) {
2302 if (p2->lmtime.tv_sec > p1->lmtime.tv_sec)
2303 return (rflg);
2304 else if (p2->lmtime.tv_sec < p1->lmtime.tv_sec)
2305 return (-rflg);
2306 /* times are equal to the sec, check nsec */
2307 if (p2->lmtime.tv_nsec > p1->lmtime.tv_nsec)
2308 return (rflg);
2309 else if (p2->lmtime.tv_nsec < p1->lmtime.tv_nsec)
2310 return (-rflg);
2311 /* if times are equal, fall through and sort by name */
2312 } else if (Sflg) {
2313 /*
2314 * The size stored in lsize can be either the
2315 * size or the major minor number (in the case of
2316 * block and character special devices). If it's
2317 * a major minor number, then the size is considered
2318 * to be zero and we want to fall through and sort
2319 * by name. In addition, if the size of p2 is equal
2320 * to the size of p1 we want to fall through and
2321 * sort by name.
2322 */
2323 off_t p1size = (p1->ltype == 'b') ||
2324 (p1->ltype == 'c') ? 0 : p1->lsize;
2325 off_t p2size = (p2->ltype == 'b') ||
2326 (p2->ltype == 'c') ? 0 : p2->lsize;
2327 if (p2size > p1size) {
2328 return (rflg);
2329 } else if (p2size < p1size) {
2330 return (-rflg);
2331 }
2332 /* Sizes are equal, fall through and sort by name. */
2333 }
2334 return (rflg * strcoll(
2335 p1->lflags & ISARG ? p1->ln.namep : p1->ln.lname,
2336 p2->lflags&ISARG ? p2->ln.namep : p2->ln.lname));
2337 }
2338
2339 static void
2340 pprintf(char *s1, char *s2)
2341 {
2342 csi_pprintf((unsigned char *)s1);
2343 csi_pprintf((unsigned char *)s2);
2344 }
2345
2346 static void
2347 csi_pprintf(unsigned char *s)
2348 {
2349 unsigned char *cp;
2350 char c;
2351 int i;
2352 int c_len;
2353 int p_col;
2354 wchar_t pcode;
2355
2356 if (!qflg && !bflg) {
2357 for (cp = s; *cp != '\0'; cp++) {
2358 (void) putchar(*cp);
2359 curcol++;
2360 }
2361 return;
2362 }
2363
2364 for (cp = s; *cp; ) {
2365 if (isascii(c = *cp)) {
2366 if (!isprint(c)) {
2367 if (qflg) {
2368 c = '?';
2369 } else {
2370 curcol += 3;
2371 (void) putc('\\', stdout);
2372 c = '0' + ((*cp >> 6) & 07);
2373 (void) putc(c, stdout);
2374 c = '0' + ((*cp >> 3) & 07);
2375 (void) putc(c, stdout);
2376 c = '0' + (*cp & 07);
2377 }
2378 }
2379 curcol++;
2380 cp++;
2381 (void) putc(c, stdout);
2382 continue;
2383 }
2384
2385 if ((c_len = mbtowc(&pcode, (char *)cp, MB_LEN_MAX)) <= 0) {
2386 c_len = 1;
2387 goto not_print;
2388 }
2389
2390 if ((p_col = wcwidth(pcode)) > 0) {
2391 (void) putwchar(pcode);
2392 cp += c_len;
2393 curcol += p_col;
2394 continue;
2395 }
2396
2397 not_print:
2398 for (i = 0; i < c_len; i++) {
2399 if (qflg) {
2400 c = '?';
2401 } else {
2402 curcol += 3;
2403 (void) putc('\\', stdout);
2404 c = '0' + ((*cp >> 6) & 07);
2405 (void) putc(c, stdout);
2406 c = '0' + ((*cp >> 3) & 07);
2407 (void) putc(c, stdout);
2408 c = '0' + (*cp & 07);
2409 }
2410 curcol++;
2411 (void) putc(c, stdout);
2412 cp++;
2413 }
2414 }
2415 }
2416
2417 static int
2418 strcol(unsigned char *s1)
2419 {
2420 int w;
2421 int w_col;
2422 int len;
2423 wchar_t wc;
2424
2425 w = 0;
2426 while (*s1) {
2427 if (isascii(*s1)) {
2428 w++;
2429 s1++;
2430 continue;
2431 }
2432
2433 if ((len = mbtowc(&wc, (char *)s1, MB_LEN_MAX)) <= 0) {
2434 w++;
2435 s1++;
2436 continue;
2437 }
2438
2439 if ((w_col = wcwidth(wc)) < 0)
2440 w_col = len;
2441 s1 += len;
2442 w += w_col;
2443 }
2444 return (w);
2445 }
2446
2447 /*
2448 * Convert an unsigned long long to a string representation and place the
2449 * result in the caller-supplied buffer.
2450 *
2451 * The number provided is a size in bytes. The number is first
2452 * converted to an integral multiple of 'scale' bytes. This new
2453 * number is then scaled down until it is small enough to be in a good
2454 * human readable format, i.e. in the range 0 thru scale-1. If the
2455 * number used to derive the final number is not a multiple of scale, and
2456 * the final number has only a single significant digit, we compute
2457 * tenths of units to provide a second significant digit.
2458 *
2459 * The value "(unsigned long long)-1" is a special case and is always
2460 * converted to "-1".
2461 *
2462 * A pointer to the caller-supplied buffer is returned.
2463 */
2464 static char *
2465 number_to_scaled_string(
2466 numbuf_t buf, /* put the result here */
2467 unsigned long long number, /* convert this number */
2468 long scale)
2469 {
2470 unsigned long long save;
2471 /* Measurement: kilo, mega, giga, tera, peta, exa */
2472 char *uom = "KMGTPE";
2473
2474 if ((long long)number == (long long)-1) {
2475 (void) strlcpy(buf, "-1", sizeof (numbuf_t));
2476 return (buf);
2477 }
2478
2479 save = number;
2480 number = number / scale;
2481
2482 /*
2483 * Now we have number as a count of scale units.
2484 * If no further scaling is necessary, we round up as appropriate.
2485 *
2486 * The largest value number could have had entering the routine is
2487 * 16 Exabytes, so running off the end of the uom array should
2488 * never happen. We check for that, though, as a guard against
2489 * a breakdown elsewhere in the algorithm.
2490 */
2491 if (number < (unsigned long long)scale) {
2492 if ((save % scale) >= (unsigned long long)(scale / 2)) {
2493 if (++number == (unsigned long long)scale) {
2494 uom++;
2495 number = 1;
2496 }
2497 }
2498 } else {
2499 while ((number >= (unsigned long long)scale) && (*uom != 'E')) {
2500 uom++; /* next unit of measurement */
2501 save = number;
2502 /*
2503 * If we're over half way to the next unit of
2504 * 'scale' bytes (which means we should round
2505 * up), then adding half of 'scale' prior to
2506 * the division will push us into that next
2507 * unit of scale when we perform the division
2508 */
2509 number = (number + (scale / 2)) / scale;
2510 }
2511 }
2512
2513 /* check if we should output a decimal place after the point */
2514 if ((save / scale) < 10) {
2515 /* snprintf() will round for us */
2516 float fnum = (float)save / scale;
2517 (void) snprintf(buf, sizeof (numbuf_t), "%2.1f%c",
2518 fnum, *uom);
2519 } else {
2520 (void) snprintf(buf, sizeof (numbuf_t), "%4llu%c",
2521 number, *uom);
2522 }
2523 return (buf);
2524 }
2525
2526 /* Get extended system attributes and set the display */
2527
2528 int
2529 get_sysxattr(char *fname, struct lbuf *rep)
2530 {
2531 boolean_t value;
2532 data_type_t type;
2533 int error;
2534 char *name;
2535 int i;
2536
2537 if ((error = getattrat(AT_FDCWD, XATTR_VIEW_READWRITE, fname,
2538 &response)) != 0) {
2539 perror("ls:getattrat");
2540 return (error);
2541 }
2542
2543 /*
2544 * Allocate 'sacnt' size array to hold extended timestamp
2545 * system attributes and initialize the array.
2546 */
2547 rep->extm = xmalloc(sacnt * sizeof (struct attrtm), rep);
2548 for (i = 0; i < sacnt; i++) {
2549 rep->extm[i].stm = 0;
2550 rep->extm[i].nstm = 0;
2551 rep->extm[i].name = NULL;
2552 }
2553 while ((pair = nvlist_next_nvpair(response, pair)) != NULL) {
2554 name = nvpair_name(pair);
2555 type = nvpair_type(pair);
2556 if (type == DATA_TYPE_BOOLEAN_VALUE) {
2557 error = nvpair_value_boolean_value(pair, &value);
2558 if (error) {
2559 (void) fprintf(stderr,
2560 gettext("nvpair_value_boolean_value "
2561 "failed: error = %d\n"), error);
2562 continue;
2563 }
2564 if (name != NULL)
2565 set_sysattrb_display(name, value, rep);
2566 continue;
2567 } else if (type == DATA_TYPE_UINT64_ARRAY) {
2568 if (name != NULL)
2569 set_sysattrtm_display(name, rep);
2570 continue;
2571 }
2572 }
2573 nvlist_free(response);
2574 return (0);
2575 }
2576
2577 /* Set extended system attribute boolean display */
2578
2579 void
2580 set_sysattrb_display(char *name, boolean_t val, struct lbuf *rep)
2581 {
2582 f_attr_t fattr;
2583 const char *opt;
2584 size_t len;
2585
2586 fattr = name_to_attr(name);
2587 if (fattr != F_ATTR_INVAL && fattr < sacnt) {
2588 if (vopt) {
2589 len = strlen(name);
2590 if (val) {
2591 rep->exttr[fattr].name = xmalloc(len + 1, rep);
2592 (void) strlcpy(rep->exttr[fattr].name, name,
2593 len + 1);
2594 } else {
2595 rep->exttr[fattr].name = xmalloc(len + 3, rep);
2596 (void) snprintf(rep->exttr[fattr].name, len + 3,
2597 "no%s", name);
2598 }
2599 } else {
2600 opt = attr_to_option(fattr);
2601 if (opt != NULL) {
2602 len = strlen(opt);
2603 rep->exttr[fattr].name = xmalloc(len + 1, rep);
2604 if (val)
2605 (void) strlcpy(rep->exttr[fattr].name,
2606 opt, len + 1);
2607 else
2608 (void) strlcpy(rep->exttr[fattr].name,
2609 "-", len + 1);
2610 }
2611 }
2612 }
2613 }
2614
2615 /* Set extended system attribute timestamp display */
2616
2617 void
2618 set_sysattrtm_display(char *name, struct lbuf *rep)
2619 {
2620 uint_t nelem;
2621 uint64_t *value;
2622 int i;
2623 size_t len;
2624
2625 if (nvpair_value_uint64_array(pair, &value, &nelem) == 0) {
2626 if (*value != (uintptr_t)NULL) {
2627 len = strlen(name);
2628 i = 0;
2629 while (rep->extm[i].stm != 0 && i < sacnt)
2630 i++;
2631 rep->extm[i].stm = value[0];
2632 rep->extm[i].nstm = value[1];
2633 rep->extm[i].name = xmalloc(len + 1, rep);
2634 (void) strlcpy(rep->extm[i].name, name, len + 1);
2635 }
2636 }
2637 }
2638
2639 void
2640 format_time(time_t sec, time_t nsec)
2641 {
2642 const char *fstr = time_fmt_new;
2643 char fmt_buf[FMTSIZE];
2644
2645 if (Eflg) {
2646 (void) snprintf(fmt_buf, FMTSIZE, fstr, nsec);
2647 (void) strftime(time_buf, sizeof (time_buf), fmt_buf,
2648 localtime(&sec));
2649 return;
2650 }
2651
2652 if (sec < year || sec > now)
2653 fstr = time_fmt_old;
2654
2655 /* if a custom time was specified, shouldn't be localized */
2656 (void) strftime(time_buf, sizeof (time_buf),
2657 (time_custom == 0) ? dcgettext(NULL, fstr, LC_TIME) : fstr,
2658 localtime(&sec));
2659 }
2660
2661 void
2662 format_attrtime(struct lbuf *p)
2663 {
2664 int tmattr = 0;
2665 int i;
2666
2667 if (p->extm != NULL) {
2668 for (i = 0; i < sacnt; i++) {
2669 if (p->extm[i].name != NULL) {
2670 tmattr = 1;
2671 break;
2672 }
2673 }
2674 }
2675
2676 if (tmattr) {
2677 const char *old_save = time_fmt_old;
2678 const char *new_save = time_fmt_new;
2679
2680 /* Eflg always sets format to FORMAT_ISO_FULL */
2681 if (!Eflg && !time_custom) {
2682 time_fmt_old = FORMAT_OLD;
2683 time_fmt_new = FORMAT_NEW;
2684 }
2685
2686 format_time((time_t)p->extm[i].stm, (time_t)p->extm[i].nstm);
2687
2688 time_fmt_old = old_save;
2689 time_fmt_new = new_save;
2690 }
2691 }
2692
2693 void
2694 print_time(struct lbuf *p)
2695 {
2696 const char *old_save = time_fmt_old;
2697 const char *new_save = time_fmt_new;
2698
2699 int i = 0;
2700
2701 if (!Eflg) {
2702 time_fmt_old = FORMAT_LONG;
2703 time_fmt_new = FORMAT_LONG;
2704 }
2705
2706 new_line();
2707 format_time(p->lat.tv_sec, p->lat.tv_nsec);
2708 (void) printf(" timestamp: atime %s\n", time_buf);
2709 format_time(p->lct.tv_sec, p->lct.tv_nsec);
2710 (void) printf(" timestamp: ctime %s\n", time_buf);
2711 format_time(p->lmt.tv_sec, p->lmt.tv_nsec);
2712 (void) printf(" timestamp: mtime %s\n", time_buf);
2713 if (p->extm != NULL) {
2714 while (p->extm[i].nstm != 0 && i < sacnt) {
2715 format_time(p->extm[i].stm, p->extm[i].nstm);
2716 if (p->extm[i].name != NULL) {
2717 (void) printf(" timestamp:"
2718 " %s %s\n",
2719 p->extm[i].name, time_buf);
2720 }
2721 i++;
2722 }
2723 }
2724
2725 time_fmt_old = old_save;
2726 time_fmt_new = new_save;
2727 }
2728
2729 /*
2730 * Check if color definition applies to entry, returns 1 if yes, 0 if no
2731 */
2732 static int
2733 color_match(const char *fname, mode_t mode, ls_color_t *color)
2734 {
2735 switch (color->ftype) {
2736 case LS_PAT:
2737 {
2738 size_t fname_len, sfx_len;
2739
2740 fname_len = strlen(fname);
2741 sfx_len = strlen(color->sfx);
2742 if (sfx_len > fname_len)
2743 return (0);
2744
2745 if (strcmp(color->sfx, fname + fname_len - sfx_len) == 0)
2746 return (1);
2747 else
2748 return (0);
2749 }
2750
2751 case LS_NORMAL:
2752 return (1);
2753
2754 case LS_FILE:
2755 return (S_ISREG(mode));
2756
2757 case LS_DIR:
2758 return (S_ISDIR(mode));
2759
2760 case LS_LINK:
2761 return (S_ISLNK(mode));
2762
2763 case LS_FIFO:
2764 return (S_ISFIFO(mode));
2765
2766 case LS_SOCK:
2767 return (S_ISSOCK(mode));
2768
2769 case LS_DOOR:
2770 return (S_ISDOOR(mode));
2771
2772 case LS_BLK:
2773 return (S_ISBLK(mode));
2774
2775 case LS_CHR:
2776 return (S_ISCHR(mode));
2777
2778 case LS_PORT:
2779 return (S_ISPORT(mode));
2780
2781 case LS_ORPHAN:
2782 /* this is tested for by gstat */
2783 return (0);
2784
2785 case LS_SETUID:
2786 return (!S_ISLNK(mode) && (mode & S_ISUID));
2787
2788 case LS_SETGID:
2789 return (!S_ISLNK(mode) && (mode & S_ISGID));
2790
2791 case LS_STICKY_OTHER_WRITABLE:
2792 return (!S_ISLNK(mode) && (mode & (S_IWOTH|S_ISVTX)));
2793
2794 case LS_OTHER_WRITABLE:
2795 return (!S_ISLNK(mode) && (mode & S_IWOTH));
2796
2797 case LS_STICKY:
2798 return (!S_ISLNK(mode) && (mode & S_ISVTX));
2799
2800 case LS_EXEC:
2801 return (!S_ISLNK(mode) && (mode & (S_IXUSR|S_IXGRP|S_IXOTH)));
2802 }
2803
2804 return (0);
2805 }
2806
2807 static void
2808 dump_color(ls_color_t *c)
2809 {
2810 if (c == NULL)
2811 return;
2812
2813 (void) printf("\n\ttype: ");
2814 switch (c->ftype) {
2815 case LS_NORMAL:
2816 (void) printf("LS_NORMAL");
2817 break;
2818 case LS_FILE:
2819 (void) printf("LS_FILE");
2820 break;
2821 case LS_EXEC:
2822 (void) printf("LS_EXEC");
2823 break;
2824 case LS_DIR:
2825 (void) printf("LS_DIR");
2826 break;
2827 case LS_LINK:
2828 (void) printf("LS_LINK");
2829 break;
2830
2831 case LS_FIFO:
2832 (void) printf("LS_FIFO");
2833 break;
2834
2835 case LS_SOCK:
2836 (void) printf("LS_SOCK");
2837 break;
2838
2839 case LS_DOOR:
2840 (void) printf("LS_DOOR");
2841 break;
2842
2843 case LS_BLK:
2844 (void) printf("LS_BLK");
2845 break;
2846
2847 case LS_CHR:
2848 (void) printf("LS_CHR");
2849 break;
2850
2851 case LS_PORT:
2852 (void) printf("LS_PORT");
2853 break;
2854
2855 case LS_STICKY:
2856 (void) printf("LS_STICKY");
2857 break;
2858
2859 case LS_ORPHAN:
2860 (void) printf("LS_ORPHAN");
2861 break;
2862
2863 case LS_SETGID:
2864 (void) printf("LS_SETGID");
2865 break;
2866
2867 case LS_SETUID:
2868 (void) printf("LS_SETUID");
2869 break;
2870
2871 case LS_OTHER_WRITABLE:
2872 (void) printf("LS_OTHER_WRITABLE");
2873 break;
2874
2875 case LS_STICKY_OTHER_WRITABLE:
2876 (void) printf("LS_STICKY_OTHER_WRITABLE");
2877 break;
2878
2879 case LS_PAT:
2880 (void) printf("LS_PAT\n");
2881 (void) printf("\tpattern: %s", c->sfx);
2882 break;
2883 }
2884 (void) printf("\n");
2885 (void) printf("\tattr: %d\n", c->attr);
2886 (void) printf("\tfg: %d\n", c->fg);
2887 (void) printf("\tbg: %d\n", c->bg);
2888 (void) printf("\t");
2889 }
2890
2891 static ls_color_t *
2892 ls_color_find(const char *fname, mode_t mode)
2893 {
2894 int i;
2895
2896 /*
2897 * Colors are sorted from most general lsc_colors[0] to most specific
2898 * lsc_colors[lsc_ncolors - 1] by ls_color_init(). Start search with
2899 * most specific color rule and work towards most general.
2900 */
2901 for (i = lsc_ncolors - 1; i >= 0; --i)
2902 if (color_match(fname, mode, &lsc_colors[i]))
2903 return (&lsc_colors[i]);
2904
2905 return (NULL);
2906 }
2907
2908 static void
2909 ls_tprint(char *str, long int p1, long int p2, long int p3, long int p4,
2910 long int p5, long int p6, long int p7, long int p8, long int p9)
2911 {
2912 char *s;
2913
2914 if (str == NULL)
2915 return;
2916
2917 s = tparm(str, p1, p2, p3, p4, p5, p6, p7, p8, p9);
2918
2919 if (s != NULL)
2920 (void) putp(s);
2921 }
2922
2923 static void
2924 ls_start_color(ls_color_t *c)
2925 {
2926 if (c == NULL)
2927 return;
2928
2929 if (lsc_debug)
2930 lsc_match = c;
2931
2932 if (c->attr & LSA_BOLD)
2933 ls_tprint(lsc_bold, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2934 if (c->attr & LSA_UNDERSCORE)
2935 ls_tprint(lsc_underline, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2936 if (c->attr & LSA_BLINK)
2937 ls_tprint(lsc_blink, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2938 if (c->attr & LSA_REVERSE)
2939 ls_tprint(lsc_reverse, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2940 if (c->attr & LSA_CONCEALED)
2941 ls_tprint(lsc_concealed, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2942 if (c->attr == LSA_NONE)
2943 ls_tprint(lsc_none, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2944
2945 if (c->fg != -1)
2946 ls_tprint(lsc_setfg, c->fg, 0, 0, 0, 0, 0, 0, 0, 0);
2947 if (c->bg != -1)
2948 ls_tprint(lsc_setbg, c->bg, 0, 0, 0, 0, 0, 0, 0, 0);
2949 }
2950
2951 static void
2952 ls_end_color()
2953 {
2954 ls_tprint(lsc_none, 0, 0, 0, 0, 0, 0, 0, 0, 0);
2955 if (lsc_debug)
2956 dump_color(lsc_match);
2957 }
2958
2959 static void
2960 new_color_entry(char *colorstr)
2961 {
2962 static const struct {
2963 const char *s;
2964 ls_cftype_t stype;
2965 } type_map[] = {
2966 { "no", LS_NORMAL },
2967 { "fi", LS_FILE },
2968 { "di", LS_DIR },
2969 { "ln", LS_LINK },
2970 { "pi", LS_FIFO },
2971 { "so", LS_SOCK },
2972 { "do", LS_DOOR },
2973 { "bd", LS_BLK },
2974 { "cd", LS_CHR },
2975 { "or", LS_ORPHAN },
2976 { "su", LS_SETUID },
2977 { "sg", LS_SETGID },
2978 { "tw", LS_STICKY_OTHER_WRITABLE },
2979 { "ow", LS_OTHER_WRITABLE },
2980 { "st", LS_STICKY },
2981 { "ex", LS_EXEC },
2982 { "po", LS_PORT },
2983 { NULL, LS_NORMAL }
2984 };
2985
2986 char *p, *lasts;
2987 int i;
2988 int color, attr;
2989
2990 p = strtok_r(colorstr, "=", &lasts);
2991 if (p == NULL) {
2992 colorflg = 0;
2993 return;
2994 }
2995
2996 if (p[0] == '*') {
2997 lsc_colors[lsc_ncolors].ftype = LS_PAT;
2998 /* don't include the * in the suffix */
2999 if ((lsc_colors[lsc_ncolors].sfx = strdup(p + 1)) == NULL) {
3000 colorflg = 0;
3001 return;
3002 }
3003 } else {
3004 lsc_colors[lsc_ncolors].sfx = NULL;
3005
3006 for (i = 0; type_map[i].s != NULL; ++i) {
3007 if (strncmp(type_map[i].s, p, 2) == 0)
3008 break;
3009 }
3010
3011 /* ignore unknown file types */
3012 if (type_map[i].s == NULL)
3013 return;
3014
3015 lsc_colors[lsc_ncolors].ftype = type_map[i].stype;
3016 }
3017
3018 attr = LSA_NONE;
3019 lsc_colors[lsc_ncolors].fg = -1;
3020 lsc_colors[lsc_ncolors].bg = -1;
3021 for (p = strtok_r(NULL, ";", &lasts); p != NULL;
3022 p = strtok_r(NULL, ";", &lasts)) {
3023 color = strtol(p, NULL, 10);
3024
3025 if (color < 10) {
3026 switch (color) {
3027 case 0:
3028 attr = LSA_NONE;
3029 continue;
3030 case 1:
3031 attr |= LSA_BOLD;
3032 continue;
3033 case 4:
3034 attr |= LSA_UNDERSCORE;
3035 continue;
3036 case 5:
3037 attr |= LSA_BLINK;
3038 continue;
3039 case 7:
3040 attr |= LSA_REVERSE;
3041 continue;
3042 case 8:
3043 attr |= LSA_CONCEALED;
3044 continue;
3045 default:
3046 continue;
3047 }
3048 }
3049
3050 if (color < 40)
3051 lsc_colors[lsc_ncolors].fg = color - 30;
3052 else
3053 lsc_colors[lsc_ncolors].bg = color - 40;
3054 }
3055
3056 lsc_colors[lsc_ncolors].attr = attr;
3057 ++lsc_ncolors;
3058 }
3059
3060 static int
3061 ls_color_compare(const void *p1, const void *p2)
3062 {
3063 const ls_color_t *c1 = (const ls_color_t *)p1;
3064 const ls_color_t *c2 = (const ls_color_t *)p2;
3065
3066 int ret = c1->ftype - c2->ftype;
3067
3068 if (ret != 0)
3069 return (ret);
3070
3071 if (c1->ftype != LS_PAT)
3072 return (ret);
3073
3074 return (strcmp(c1->sfx, c2->sfx));
3075 }
3076
3077 static void
3078 ls_color_init()
3079 {
3080 static char *default_colorstr = "no=00:fi=00:di=01;34:ln=01;36:po=01;35"
3081 ":pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01"
3082 ":su=37;41:sg=30;43:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31"
3083 ":*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31"
3084 ":*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31"
3085 ":*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35"
3086 ":*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35"
3087 ":*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35"
3088 ":*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35"
3089 ":*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.flac=01;35"
3090 ":*.mp3=01;35:*.mpc=01;35:*.ogg=01;35:*.wav=01;35";
3091
3092 char *colorstr;
3093 char *p, *lasts;
3094 size_t color_sz;
3095 int termret;
3096 int i;
3097
3098 (void) setupterm(NULL, 1, &termret);
3099 if (termret != 1)
3100 return;
3101
3102 if ((p = getenv("LS_COLORS")) == NULL)
3103 p = default_colorstr;
3104 colorstr = strdup(p);
3105 if (colorstr == NULL)
3106 return;
3107
3108 /*
3109 * Determine the size of lsc_colors. color_sz can be > lsc_ncolors
3110 * if there are invalid entries passed in the string (they are ignored)
3111 */
3112 color_sz = 1;
3113 for (p = strchr(colorstr, ':'); p != NULL && *p != '\0';
3114 p = strchr(++p, ':'))
3115 ++color_sz;
3116
3117 lsc_colors = calloc(color_sz, sizeof (ls_color_t));
3118 if (lsc_colors == NULL) {
3119 free(colorstr);
3120 return;
3121 }
3122
3123 for (p = strtok_r(colorstr, ":", &lasts);
3124 p != NULL && lsc_ncolors < color_sz;
3125 p = strtok_r(NULL, ":", &lasts))
3126 new_color_entry(p);
3127
3128 qsort((void *)lsc_colors, lsc_ncolors, sizeof (ls_color_t),
3129 ls_color_compare);
3130
3131 for (i = 0; i < lsc_ncolors; ++i)
3132 if (lsc_colors[i].ftype == LS_ORPHAN) {
3133 lsc_orphan = &lsc_colors[i];
3134 break;
3135 }
3136
3137 if ((lsc_bold = tigetstr("bold")) == (char *)-1)
3138 lsc_bold = NULL;
3139
3140 if ((lsc_underline = tigetstr("smul")) == (char *)-1)
3141 lsc_underline = NULL;
3142
3143 if ((lsc_blink = tigetstr("blink")) == (char *)-1)
3144 lsc_blink = NULL;
3145
3146 if ((lsc_reverse = tigetstr("rev")) == (char *)-1)
3147 lsc_reverse = NULL;
3148
3149 if ((lsc_concealed = tigetstr("prot")) == (char *)-1)
3150 lsc_concealed = NULL;
3151
3152 if ((lsc_none = tigetstr("sgr0")) == (char *)-1)
3153 lsc_none = NULL;
3154
3155 if ((lsc_setfg = tigetstr("setaf")) == (char *)-1)
3156 lsc_setfg = NULL;
3157
3158 if ((lsc_setbg = tigetstr("setab")) == (char *)-1)
3159 lsc_setbg = NULL;
3160
3161 if (getenv("_LS_COLOR_DEBUG") != NULL) {
3162 int i;
3163
3164 lsc_debug = 1;
3165 for (i = 0; i < lsc_ncolors; ++i)
3166 dump_color(&lsc_colors[i]);
3167 }
3168
3169 free(colorstr);
3170 }
3171
3172 /* Free extended system attribute lists */
3173
3174 void
3175 free_sysattr(struct lbuf *p)
3176 {
3177 int i;
3178
3179 if (p->exttr != NULL) {
3180 for (i = 0; i < sacnt; i++) {
3181 free(p->exttr[i].name);
3182 }
3183 free(p->exttr);
3184 }
3185 if (p->extm != NULL) {
3186 for (i = 0; i < sacnt; i++) {
3187 free(p->extm[i].name);
3188 }
3189 free(p->extm);
3190 }
3191 }
3192
3193 /* Allocate extended system attribute list */
3194
3195 void *
3196 xmalloc(size_t size, struct lbuf *p)
3197 {
3198 if ((p = malloc(size)) == NULL) {
3199 perror("ls");
3200 free_sysattr(p);
3201 nvlist_free(response);
3202 exit(2);
3203 }
3204 return (p);
3205 }
Unleashed OS