1 /* vi: set sw=4 ts=4: */
2 /*
3 * stat -- display file or file system status
4 *
5 * Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation.
6 * Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
7 * Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
8 * Copyright (C) 2006 by Yoshinori Sato <ysato@users.sourceforge.jp>
9 *
10 * Written by Michael Meskes
11 * Taken from coreutils and turned into a busybox applet by Mike Frysinger
12 *
13 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
14 */
15 //config:config STAT
16 //config: bool "stat (11 kb)"
17 //config: default y
18 //config: help
19 //config: display file or filesystem status.
20 //config:
21 //config:config FEATURE_STAT_FORMAT
22 //config: bool "Enable custom formats (-c)"
23 //config: default y
24 //config: depends on STAT
25 //config: help
26 //config: Without this, stat will not support the '-c format' option where
27 //config: users can pass a custom format string for output. This adds about
28 //config: 7k to a nonstatic build on amd64.
29 //config:
30 //config:config FEATURE_STAT_FILESYSTEM
31 //config: bool "Enable display of filesystem status (-f)"
32 //config: default y
33 //config: depends on STAT
34 //config: help
35 //config: Without this, stat will not support the '-f' option to display
36 //config: information about filesystem status.
37
38 //applet:IF_STAT(APPLET_NOEXEC(stat, stat, BB_DIR_BIN, BB_SUID_DROP, stat))
39
40 //kbuild:lib-$(CONFIG_STAT) += stat.o
41
42 //usage:#define stat_trivial_usage
43 //usage: "[-lt"IF_FEATURE_STAT_FILESYSTEM("f")"] "IF_FEATURE_STAT_FORMAT("[-c FMT] ")"FILE..."
44 //usage:#define stat_full_usage "\n\n"
45 //usage: "Display file"
46 //usage: IF_FEATURE_STAT_FILESYSTEM(" (default) or filesystem")
47 //usage: " status\n"
48 //usage: IF_FEATURE_STAT_FORMAT(
49 //usage: "\n -c FMT Use the specified format"
50 //usage: )
51 //usage: IF_FEATURE_STAT_FILESYSTEM(
52 //usage: "\n -f Display filesystem status"
53 //usage: )
54 //usage: "\n -L Follow links"
55 //usage: "\n -t Terse display"
56 //usage: IF_SELINUX(
57 //usage: "\n -Z Print security context"
58 //usage: )
59 //usage: IF_FEATURE_STAT_FORMAT(
60 //usage: "\n\nFMT sequences"IF_FEATURE_STAT_FILESYSTEM(" for files")":\n"
61 //usage: " %a Access rights in octal\n"
62 //usage: " %A Access rights in human readable form\n"
63 //usage: " %b Number of blocks allocated (see %B)\n"
64 //usage: " %B Size in bytes of each block reported by %b\n"
65 //usage: " %d Device number in decimal\n"
66 //usage: " %D Device number in hex\n"
67 //usage: " %f Raw mode in hex\n"
68 //usage: " %F File type\n"
69 //usage: " %g Group ID\n"
70 //usage: " %G Group name\n"
71 //usage: " %h Number of hard links\n"
72 //usage: " %i Inode number\n"
73 //usage: " %n File name\n"
74 //usage: " %N File name, with -> TARGET if symlink\n"
75 //usage: " %o I/O block size\n"
76 //usage: " %s Total size in bytes\n"
77 //usage: " %t Major device type in hex\n"
78 //usage: " %T Minor device type in hex\n"
79 //usage: " %u User ID\n"
80 //usage: " %U User name\n"
81 //usage: " %x Time of last access\n"
82 //usage: " %X Time of last access as seconds since Epoch\n"
83 //usage: " %y Time of last modification\n"
84 //usage: " %Y Time of last modification as seconds since Epoch\n"
85 //usage: " %z Time of last change\n"
86 //usage: " %Z Time of last change as seconds since Epoch\n"
87 //usage: IF_FEATURE_STAT_FILESYSTEM(
88 //usage: "\nFMT sequences for file systems:\n"
89 //usage: " %a Free blocks available to non-superuser\n"
90 //usage: " %b Total data blocks\n"
91 //usage: " %c Total file nodes\n"
92 //usage: " %d Free file nodes\n"
93 //usage: " %f Free blocks\n"
94 //usage: IF_SELINUX(
95 //usage: " %C Security context in selinux\n"
96 //usage: )
97 //usage: " %i File System ID in hex\n"
98 //usage: " %l Maximum length of filenames\n"
99 //usage: " %n File name\n"
100 //usage: " %s Block size (for faster transfer)\n"
101 //usage: " %S Fundamental block size (for block counts)\n"
102 //usage: " %t Type in hex\n"
103 //usage: " %T Type in human readable form"
104 //usage: )
105 //usage: )
106
107 #include "libbb.h"
108 #include "common_bufsiz.h"
109
110 enum {
111 OPT_TERSE = (1 << 0),
112 OPT_DEREFERENCE = (1 << 1),
113 OPT_FILESYS = (1 << 2) * ENABLE_FEATURE_STAT_FILESYSTEM,
114 OPT_SELINUX = (1 << (2+ENABLE_FEATURE_STAT_FILESYSTEM)) * ENABLE_SELINUX,
115 };
116
117 #if ENABLE_FEATURE_STAT_FORMAT
118 typedef bool (*statfunc_ptr)(const char *, const char *);
119 #else
120 typedef bool (*statfunc_ptr)(const char *);
121 #endif
122
file_type(const struct stat * st)123 static const char *file_type(const struct stat *st)
124 {
125 /* See POSIX 1003.1-2001 XCU Table 4-8 lines 17093-17107
126 * for some of these formats.
127 * To keep diagnostics grammatical in English, the
128 * returned string must start with a consonant.
129 */
130 if (S_ISREG(st->st_mode)) return st->st_size == 0 ? "regular empty file" : "regular file";
131 if (S_ISDIR(st->st_mode)) return "directory";
132 if (S_ISBLK(st->st_mode)) return "block special file";
133 if (S_ISCHR(st->st_mode)) return "character special file";
134 if (S_ISFIFO(st->st_mode)) return "fifo";
135 if (S_ISLNK(st->st_mode)) return "symbolic link";
136 if (S_ISSOCK(st->st_mode)) return "socket";
137 #ifdef S_TYPEISMQ
138 if (S_TYPEISMQ(st)) return "message queue";
139 #endif
140 #ifdef S_TYPEISSEM
141 if (S_TYPEISSEM(st)) return "semaphore";
142 #endif
143 #ifdef S_TYPEISSHM
144 if (S_TYPEISSHM(st)) return "shared memory object";
145 #endif
146 #ifdef S_TYPEISTMO
147 if (S_TYPEISTMO(st)) return "typed memory object";
148 #endif
149 return "weird file";
150 }
151
human_time(struct timespec * ts)152 static const char *human_time(struct timespec *ts)
153 {
154 char fmt[sizeof("%Y-%m-%d %H:%M:%S.123456789 %z") + /*paranoia*/ 8];
155
156 /* coreutils 6.3 compat */
157 #define buf bb_common_bufsiz1
158 setup_common_bufsiz();
159
160 sprintf(stpcpy(fmt, "%Y-%m-%d %H:%M:%S"), ".%09u %%z", (unsigned)ts->tv_nsec);
161 strftime(buf, COMMON_BUFSIZE, fmt, localtime(&ts->tv_sec));
162 return buf;
163 #undef buf
164 }
165
166 #if ENABLE_FEATURE_STAT_FILESYSTEM
167 #define FS_TYPE_LIST \
168 FS_TYPE(0xADFF, "affs") \
169 FS_TYPE(0x1CD1, "devpts") \
170 FS_TYPE(0x137D, "ext") \
171 FS_TYPE(0xEF51, "ext2") \
172 FS_TYPE(0xEF53, "ext2/ext3") \
173 FS_TYPE(0x3153464a, "jfs") \
174 FS_TYPE(0x58465342, "xfs") \
175 FS_TYPE(0xF995E849, "hpfs") \
176 FS_TYPE(0x9660, "isofs") \
177 FS_TYPE(0x4000, "isofs") \
178 FS_TYPE(0x4004, "isofs") \
179 FS_TYPE(0x137F, "minix") \
180 FS_TYPE(0x138F, "minix (30 char.)") \
181 FS_TYPE(0x2468, "minix v2") \
182 FS_TYPE(0x2478, "minix v2 (30 char.)") \
183 FS_TYPE(0x4d44, "msdos") \
184 FS_TYPE(0x4006, "fat") \
185 FS_TYPE(0x564c, "novell") \
186 FS_TYPE(0x6969, "nfs") \
187 FS_TYPE(0x9fa0, "proc") \
188 FS_TYPE(0x517B, "smb") \
189 FS_TYPE(0x012FF7B4, "xenix") \
190 FS_TYPE(0x012FF7B5, "sysv4") \
191 FS_TYPE(0x012FF7B6, "sysv2") \
192 FS_TYPE(0x012FF7B7, "coh") \
193 FS_TYPE(0x00011954, "ufs") \
194 FS_TYPE(0x012FD16D, "xia") \
195 FS_TYPE(0x5346544e, "ntfs") \
196 FS_TYPE(0x1021994, "tmpfs") \
197 FS_TYPE(0x52654973, "reiserfs") \
198 FS_TYPE(0x28cd3d45, "cramfs") \
199 FS_TYPE(0x7275, "romfs") \
200 FS_TYPE(0x858458f6, "ramfs") \
201 FS_TYPE(0x73717368, "squashfs") \
202 FS_TYPE(0x62656572, "sysfs")
203 /* Return the type of the specified file system.
204 * Some systems have statfvs.f_basetype[FSTYPSZ]. (AIX, HP-UX, and Solaris)
205 * Others have statfs.f_fstypename[MFSNAMELEN]. (NetBSD 1.5.2)
206 * Still others have neither and have to get by with f_type (Linux).
207 */
human_fstype(uint32_t f_type)208 static const char *human_fstype(uint32_t f_type)
209 {
210 # define FS_TYPE(type, name) type,
211 static const uint32_t fstype[] ALIGN4 = {
212 FS_TYPE_LIST
213 };
214 # undef FS_TYPE
215 # define FS_TYPE(type, name) name"\0"
216 static const char humanname[] ALIGN1 =
217 FS_TYPE_LIST
218 "UNKNOWN";
219 # undef FS_TYPE
220 int i;
221
222 for (i = 0; i < ARRAY_SIZE(fstype); ++i)
223 if (fstype[i] == f_type)
224 break;
225 return nth_string(humanname, i);
226 }
227
228 /* "man statfs" says that statfsbuf->f_fsid is a mess */
229 /* coreutils treats it as an array of ints, most significant first */
get_f_fsid(const struct statfs * statfsbuf)230 static unsigned long long get_f_fsid(const struct statfs *statfsbuf)
231 {
232 const unsigned *p = (const void*) &statfsbuf->f_fsid;
233 unsigned sz = sizeof(statfsbuf->f_fsid) / sizeof(unsigned);
234 unsigned long long r = 0;
235
236 do
237 r = (r << (sizeof(unsigned)*8)) | *p++;
238 while (--sz > 0);
239 return r;
240 }
241 #endif /* FEATURE_STAT_FILESYSTEM */
242
243 #if ENABLE_FEATURE_STAT_FORMAT
strcatc(char * str,char c)244 static void strcatc(char *str, char c)
245 {
246 int len = strlen(str);
247 str[len++] = c;
248 str[len] = '\0';
249 }
250
printfs(char * pformat,const char * msg)251 static void printfs(char *pformat, const char *msg)
252 {
253 strcatc(pformat, 's');
254 printf(pformat, msg);
255 }
256
257 #if ENABLE_FEATURE_STAT_FILESYSTEM
258 /* print statfs info */
259 static void FAST_FUNC print_statfs(char *pformat, const char m,
260 const char *const filename, const void *data
261 IF_SELINUX(, security_context_t scontext))
262 {
263 const struct statfs *statfsbuf = data;
264 if (m == 'n') {
265 printfs(pformat, filename);
266 } else if (m == 'i') {
267 strcat(pformat, "llx");
268 printf(pformat, get_f_fsid(statfsbuf));
269 } else if (m == 'l') {
270 strcat(pformat, "lu");
271 printf(pformat, (unsigned long) statfsbuf->f_namelen);
272 } else if (m == 't') {
273 strcat(pformat, "lx");
274 printf(pformat, (unsigned long) statfsbuf->f_type); /* no equiv */
275 } else if (m == 'T') {
276 printfs(pformat, human_fstype(statfsbuf->f_type));
277 } else if (m == 'b') {
278 strcat(pformat, "llu");
279 printf(pformat, (unsigned long long) statfsbuf->f_blocks);
280 } else if (m == 'f') {
281 strcat(pformat, "llu");
282 printf(pformat, (unsigned long long) statfsbuf->f_bfree);
283 } else if (m == 'a') {
284 strcat(pformat, "llu");
285 printf(pformat, (unsigned long long) statfsbuf->f_bavail);
286 } else if (m == 's' || m == 'S') {
287 strcat(pformat, "lu");
288 printf(pformat, (unsigned long) statfsbuf->f_bsize);
289 } else if (m == 'c') {
290 strcat(pformat, "llu");
291 printf(pformat, (unsigned long long) statfsbuf->f_files);
292 } else if (m == 'd') {
293 strcat(pformat, "llu");
294 printf(pformat, (unsigned long long) statfsbuf->f_ffree);
295 # if ENABLE_SELINUX
296 } else if (m == 'C' && (option_mask32 & OPT_SELINUX)) {
297 printfs(pformat, scontext);
298 # endif
299 } else {
300 strcatc(pformat, 'c');
301 printf(pformat, m);
302 }
303 }
304 #endif
305
306 /* print stat info */
307 static void FAST_FUNC print_stat(char *pformat, const char m,
308 const char *const filename, const void *data
309 IF_SELINUX(, security_context_t scontext))
310 {
311 #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
312 struct stat *statbuf = (struct stat *) data;
313 struct passwd *pw_ent;
314 struct group *gw_ent;
315
316 if (m == 'n') {
317 printfs(pformat, filename);
318 } else if (m == 'N') {
319 strcatc(pformat, 's');
320 if (S_ISLNK(statbuf->st_mode)) {
321 char *linkname = xmalloc_readlink_or_warn(filename);
322 if (linkname == NULL)
323 return;
324 printf("'%s' -> '%s'", filename, linkname);
325 free(linkname);
326 } else {
327 printf(pformat, filename);
328 }
329 } else if (m == 'd') {
330 strcat(pformat, "llu");
331 printf(pformat, (unsigned long long) statbuf->st_dev);
332 } else if (m == 'D') {
333 strcat(pformat, "llx");
334 printf(pformat, (unsigned long long) statbuf->st_dev);
335 } else if (m == 'i') {
336 strcat(pformat, "llu");
337 printf(pformat, (unsigned long long) statbuf->st_ino);
338 } else if (m == 'a') {
339 strcat(pformat, "lo");
340 printf(pformat, (unsigned long) (statbuf->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)));
341 } else if (m == 'A') {
342 char modestr[12];
343 printfs(pformat, bb_mode_string(modestr, statbuf->st_mode));
344 } else if (m == 'f') {
345 strcat(pformat, "lx");
346 printf(pformat, (unsigned long) statbuf->st_mode);
347 } else if (m == 'F') {
348 printfs(pformat, file_type(statbuf));
349 } else if (m == 'h') {
350 strcat(pformat, "lu");
351 printf(pformat, (unsigned long) statbuf->st_nlink);
352 } else if (m == 'u') {
353 strcat(pformat, "lu");
354 printf(pformat, (unsigned long) statbuf->st_uid);
355 } else if (m == 'U') {
356 pw_ent = getpwuid(statbuf->st_uid);
357 printfs(pformat, (pw_ent != NULL) ? pw_ent->pw_name : "UNKNOWN");
358 } else if (m == 'g') {
359 strcat(pformat, "lu");
360 printf(pformat, (unsigned long) statbuf->st_gid);
361 } else if (m == 'G') {
362 gw_ent = getgrgid(statbuf->st_gid);
363 printfs(pformat, (gw_ent != NULL) ? gw_ent->gr_name : "UNKNOWN");
364 } else if (m == 't') {
365 strcat(pformat, "lx");
366 printf(pformat, (unsigned long) major(statbuf->st_rdev));
367 } else if (m == 'T') {
368 strcat(pformat, "lx");
369 printf(pformat, (unsigned long) minor(statbuf->st_rdev));
370 } else if (m == 's') {
371 strcat(pformat, "llu");
372 printf(pformat, (unsigned long long) statbuf->st_size);
373 } else if (m == 'B') {
374 strcat(pformat, "lu");
375 printf(pformat, (unsigned long) 512); //ST_NBLOCKSIZE
376 } else if (m == 'b') {
377 strcat(pformat, "llu");
378 printf(pformat, (unsigned long long) statbuf->st_blocks);
379 } else if (m == 'o') {
380 strcat(pformat, "lu");
381 printf(pformat, (unsigned long) statbuf->st_blksize);
382 } else if (m == 'x') {
383 printfs(pformat, human_time(&statbuf->st_atim));
384 } else if (m == 'X') {
385 strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
386 /* note: (unsigned long) would be wrong:
387 * imagine (unsigned long64)int32 */
388 printf(pformat, (long) statbuf->st_atime);
389 } else if (m == 'y') {
390 printfs(pformat, human_time(&statbuf->st_mtim));
391 } else if (m == 'Y') {
392 strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
393 printf(pformat, (long) statbuf->st_mtime);
394 } else if (m == 'z') {
395 printfs(pformat, human_time(&statbuf->st_ctim));
396 } else if (m == 'Z') {
397 strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
398 printf(pformat, (long) statbuf->st_ctime);
399 # if ENABLE_SELINUX
400 } else if (m == 'C' && (option_mask32 & OPT_SELINUX)) {
401 printfs(pformat, scontext);
402 # endif
403 } else {
404 strcatc(pformat, 'c');
405 printf(pformat, m);
406 }
407 }
408
409 static void print_it(const char *masterformat,
410 const char *filename,
411 void FAST_FUNC (*print_func)(char*, char, const char*, const void* IF_SELINUX(, security_context_t scontext)),
412 const void *data
413 IF_SELINUX(, security_context_t scontext))
414 {
415 /* Create a working copy of the format string */
416 char *format = xstrdup(masterformat);
417 /* Add 2 to accommodate our conversion of the stat '%s' format string
418 * to the printf '%llu' one. */
419 char *dest = xmalloc(strlen(format) + 2 + 1);
420 char *b;
421
422 b = format;
423 while (b) {
424 /* Each iteration finds next %spec,
425 * prints preceding string and handles found %spec
426 */
427 size_t len;
428 char *p = strchr(b, '%');
429 if (!p) {
430 /* coreutils 6.3 always prints newline at the end */
431 /*fputs(b, stdout);*/
432 puts(b);
433 break;
434 }
435
436 /* dest = "%<modifiers>" */
437 len = 1 + strspn(p + 1, "#-+.I 0123456789");
438 memcpy(dest, p, len);
439 dest[len] = '\0';
440
441 /* print preceding string */
442 *p = '\0';
443 fputs_stdout(b);
444
445 p += len;
446 b = p + 1;
447 switch (*p) {
448 case '\0':
449 b = NULL;
450 /* fall through */
451 case '%':
452 bb_putchar('%');
453 break;
454 default:
455 /* Completes "%<modifiers>" with specifier and printfs */
456 print_func(dest, *p, filename, data IF_SELINUX(,scontext));
457 break;
458 }
459 }
460
461 free(format);
462 free(dest);
463 }
464 #endif /* FEATURE_STAT_FORMAT */
465
466 #if ENABLE_FEATURE_STAT_FILESYSTEM
467 /* Stat the file system and print what we find. */
468 #if !ENABLE_FEATURE_STAT_FORMAT
469 #define do_statfs(filename, format) do_statfs(filename)
470 #endif
do_statfs(const char * filename,const char * format)471 static bool do_statfs(const char *filename, const char *format)
472 {
473 struct statfs statfsbuf;
474 #if !ENABLE_FEATURE_STAT_FORMAT
475 const char *format;
476 #endif
477 #if ENABLE_SELINUX
478 security_context_t scontext = NULL;
479
480 if (option_mask32 & OPT_SELINUX) {
481 if ((option_mask32 & OPT_DEREFERENCE
482 ? lgetfilecon(filename, &scontext)
483 : getfilecon(filename, &scontext)
484 ) < 0
485 ) {
486 bb_simple_perror_msg(filename);
487 return 0;
488 }
489 }
490 #endif
491 if (statfs(filename, &statfsbuf) != 0) {
492 bb_perror_msg("can't read file system information for '%s'", filename);
493 return 0;
494 }
495
496 #if ENABLE_FEATURE_STAT_FORMAT
497 if (format == NULL) {
498 # if !ENABLE_SELINUX
499 format = (option_mask32 & OPT_TERSE
500 ? "%n %i %l %t %s %b %f %a %c %d"
501 : " File: \"%n\"\n"
502 " ID: %-8i Namelen: %-7l Type: %T\n"
503 "Block size: %-10s\n"
504 "Blocks: Total: %-10b Free: %-10f Available: %a\n"
505 "Inodes: Total: %-10c Free: %d");
506 # else
507 format = (option_mask32 & OPT_TERSE
508 ? (option_mask32 & OPT_SELINUX
509 ? "%n %i %l %t %s %b %f %a %c %d %C"
510 : "%n %i %l %t %s %b %f %a %c %d")
511 : (option_mask32 & OPT_SELINUX
512 ? " File: \"%n\"\n"
513 " ID: %-8i Namelen: %-7l Type: %T\n"
514 "Block size: %-10s\n"
515 "Blocks: Total: %-10b Free: %-10f Available: %a\n"
516 "Inodes: Total: %-10c Free: %d"
517 " S_context: %C"
518 : " File: \"%n\"\n"
519 " ID: %-8i Namelen: %-7l Type: %T\n"
520 "Block size: %-10s\n"
521 "Blocks: Total: %-10b Free: %-10f Available: %a\n"
522 "Inodes: Total: %-10c Free: %d")
523 );
524 # endif /* SELINUX */
525 }
526 print_it(format, filename, print_statfs, &statfsbuf IF_SELINUX(, scontext));
527 #else /* !FEATURE_STAT_FORMAT */
528 format = (option_mask32 & OPT_TERSE
529 ? "%s %llx %lu "
530 : " File: \"%s\"\n"
531 " ID: %-8llx Namelen: %-7lu ");
532 printf(format,
533 filename,
534 get_f_fsid(&statfsbuf),
535 statfsbuf.f_namelen);
536
537 if (option_mask32 & OPT_TERSE)
538 printf("%lx ", (unsigned long) statfsbuf.f_type);
539 else
540 printf("Type: %s\n", human_fstype(statfsbuf.f_type));
541
542 # if !ENABLE_SELINUX
543 format = (option_mask32 & OPT_TERSE
544 ? "%lu %llu %llu %llu %llu %llu\n"
545 : "Block size: %-10lu\n"
546 "Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
547 "Inodes: Total: %-10llu Free: %llu\n");
548 printf(format,
549 (unsigned long) statfsbuf.f_bsize,
550 (unsigned long long) statfsbuf.f_blocks,
551 (unsigned long long) statfsbuf.f_bfree,
552 (unsigned long long) statfsbuf.f_bavail,
553 (unsigned long long) statfsbuf.f_files,
554 (unsigned long long) statfsbuf.f_ffree);
555 # else
556 format = (option_mask32 & OPT_TERSE
557 ? (option_mask32 & OPT_SELINUX ? "%lu %llu %llu %llu %llu %llu %C\n" : "%lu %llu %llu %llu %llu %llu\n")
558 : (option_mask32 & OPT_SELINUX
559 ? "Block size: %-10lu\n"
560 "Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
561 "Inodes: Total: %-10llu Free: %llu"
562 "S_context: %C\n"
563 : "Block size: %-10lu\n"
564 "Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
565 "Inodes: Total: %-10llu Free: %llu\n"
566 )
567 );
568 printf(format,
569 (unsigned long) statfsbuf.f_bsize,
570 (unsigned long long) statfsbuf.f_blocks,
571 (unsigned long long) statfsbuf.f_bfree,
572 (unsigned long long) statfsbuf.f_bavail,
573 (unsigned long long) statfsbuf.f_files,
574 (unsigned long long) statfsbuf.f_ffree,
575 scontext);
576
577 if (scontext)
578 freecon(scontext);
579 # endif
580 #endif /* FEATURE_STAT_FORMAT */
581 return 1;
582 }
583 #endif /* FEATURE_STAT_FILESYSTEM */
584
585 /* stat the file and print what we find */
586 #if !ENABLE_FEATURE_STAT_FORMAT
587 #define do_stat(filename, format) do_stat(filename)
588 #endif
do_stat(const char * filename,const char * format)589 static bool do_stat(const char *filename, const char *format)
590 {
591 struct stat statbuf;
592 #if ENABLE_SELINUX
593 security_context_t scontext = NULL;
594
595 if (option_mask32 & OPT_SELINUX) {
596 if ((option_mask32 & OPT_DEREFERENCE
597 ? lgetfilecon(filename, &scontext)
598 : getfilecon(filename, &scontext)
599 ) < 0
600 ) {
601 bb_simple_perror_msg(filename);
602 return 0;
603 }
604 }
605 #endif
606 if ((option_mask32 & OPT_DEREFERENCE ? stat : lstat) (filename, &statbuf) != 0) {
607 bb_perror_msg("can't stat '%s'", filename);
608 return 0;
609 }
610
611 #if ENABLE_FEATURE_STAT_FORMAT
612 if (format == NULL) {
613 # if !ENABLE_SELINUX
614 if (option_mask32 & OPT_TERSE) {
615 format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o";
616 } else {
617 if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
618 format =
619 " File: %N\n"
620 " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
621 "Device: %Dh/%dd\tInode: %-10i Links: %-5h"
622 " Device type: %t,%T\n"
623 "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
624 "Access: %x\n" "Modify: %y\n" "Change: %z";
625 } else {
626 format =
627 " File: %N\n"
628 " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
629 "Device: %Dh/%dd\tInode: %-10i Links: %h\n"
630 "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
631 "Access: %x\n" "Modify: %y\n" "Change: %z";
632 }
633 }
634 # else
635 if (option_mask32 & OPT_TERSE) {
636 format = (option_mask32 & OPT_SELINUX ?
637 "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o %C\n"
638 :
639 "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o\n"
640 );
641 } else {
642 if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
643 format = (option_mask32 & OPT_SELINUX ?
644 " File: %N\n"
645 " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
646 "Device: %Dh/%dd\tInode: %-10i Links: %-5h"
647 " Device type: %t,%T\n"
648 "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
649 " S_Context: %C\n"
650 "Access: %x\n" "Modify: %y\n" "Change: %z"
651 :
652 " File: %N\n"
653 " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
654 "Device: %Dh/%dd\tInode: %-10i Links: %-5h"
655 " Device type: %t,%T\n"
656 "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
657 "Access: %x\n" "Modify: %y\n" "Change: %z"
658 );
659 } else {
660 format = (option_mask32 & OPT_SELINUX ?
661 " File: %N\n"
662 " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
663 "Device: %Dh/%dd\tInode: %-10i Links: %h\n"
664 "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
665 "S_Context: %C\n"
666 "Access: %x\n" "Modify: %y\n" "Change: %z"
667 :
668 " File: %N\n"
669 " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
670 "Device: %Dh/%dd\tInode: %-10i Links: %h\n"
671 "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
672 "Access: %x\n" "Modify: %y\n" "Change: %z"
673 );
674 }
675 }
676 # endif
677 }
678 print_it(format, filename, print_stat, &statbuf IF_SELINUX(, scontext));
679 #else /* FEATURE_STAT_FORMAT */
680 if (option_mask32 & OPT_TERSE) {
681 printf("%s %llu %llu %lx %lu %lu %llx %llu %lu %lx %lx %lu %lu %lu %lu"
682 IF_NOT_SELINUX("\n"),
683 filename,
684 (unsigned long long) statbuf.st_size,
685 (unsigned long long) statbuf.st_blocks,
686 (unsigned long) statbuf.st_mode,
687 (unsigned long) statbuf.st_uid,
688 (unsigned long) statbuf.st_gid,
689 (unsigned long long) statbuf.st_dev,
690 (unsigned long long) statbuf.st_ino,
691 (unsigned long) statbuf.st_nlink,
692 (unsigned long) major(statbuf.st_rdev),
693 (unsigned long) minor(statbuf.st_rdev),
694 (unsigned long) statbuf.st_atime,
695 (unsigned long) statbuf.st_mtime,
696 (unsigned long) statbuf.st_ctime,
697 (unsigned long) statbuf.st_blksize
698 );
699 # if ENABLE_SELINUX
700 if (option_mask32 & OPT_SELINUX)
701 printf(" %s\n", scontext);
702 else
703 bb_putchar('\n');
704 # endif
705 } else {
706 char modestr[12];
707 char *linkname = NULL;
708 struct passwd *pw_ent;
709 struct group *gw_ent;
710
711 gw_ent = getgrgid(statbuf.st_gid);
712 pw_ent = getpwuid(statbuf.st_uid);
713
714 if (S_ISLNK(statbuf.st_mode))
715 linkname = xmalloc_readlink_or_warn(filename);
716 if (linkname) {
717 printf(" File: '%s' -> '%s'\n", filename, linkname);
718 free(linkname);
719 } else {
720 printf(" File: '%s'\n", filename);
721 }
722
723 printf(" Size: %-10llu\tBlocks: %-10llu IO Block: %-6lu %s\n"
724 "Device: %llxh/%llud\tInode: %-10llu Links: %-5lu",
725 (unsigned long long) statbuf.st_size,
726 (unsigned long long) statbuf.st_blocks,
727 (unsigned long) statbuf.st_blksize,
728 file_type(&statbuf),
729 (unsigned long long) statbuf.st_dev,
730 (unsigned long long) statbuf.st_dev,
731 (unsigned long long) statbuf.st_ino,
732 (unsigned long) statbuf.st_nlink);
733 if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode))
734 printf(" Device type: %lx,%lx\n",
735 (unsigned long) major(statbuf.st_rdev),
736 (unsigned long) minor(statbuf.st_rdev));
737 else
738 bb_putchar('\n');
739 printf("Access: (%04lo/%10.10s) Uid: (%5lu/%8s) Gid: (%5lu/%8s)\n",
740 (unsigned long) (statbuf.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)),
741 bb_mode_string(modestr, statbuf.st_mode),
742 (unsigned long) statbuf.st_uid,
743 (pw_ent != NULL) ? pw_ent->pw_name : "UNKNOWN",
744 (unsigned long) statbuf.st_gid,
745 (gw_ent != NULL) ? gw_ent->gr_name : "UNKNOWN");
746 # if ENABLE_SELINUX
747 if (option_mask32 & OPT_SELINUX)
748 printf(" S_Context: %s\n", scontext);
749 # endif
750 printf("Access: %s\n", human_time(&statbuf.st_atim));
751 printf("Modify: %s\n", human_time(&statbuf.st_mtim));
752 printf("Change: %s\n", human_time(&statbuf.st_ctim));
753 }
754 #endif /* FEATURE_STAT_FORMAT */
755 return 1;
756 }
757
758 int stat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
stat_main(int argc UNUSED_PARAM,char ** argv)759 int stat_main(int argc UNUSED_PARAM, char **argv)
760 {
761 IF_FEATURE_STAT_FORMAT(char *format = NULL;)
762 int i;
763 int ok;
764 statfunc_ptr statfunc = do_stat;
765 #if ENABLE_FEATURE_STAT_FILESYSTEM || ENABLE_SELINUX
766 unsigned opts;
767
768 opts =
769 #endif
770 getopt32(argv, "^"
771 "tL"
772 IF_FEATURE_STAT_FILESYSTEM("f")
773 IF_SELINUX("Z")
774 IF_FEATURE_STAT_FORMAT("c:")
775 "\0" "-1" /* min one arg */
776 IF_FEATURE_STAT_FORMAT(,&format)
777 );
778 #if ENABLE_FEATURE_STAT_FILESYSTEM
779 if (opts & OPT_FILESYS) /* -f */
780 statfunc = do_statfs;
781 #endif
782 #if ENABLE_SELINUX
783 if (opts & OPT_SELINUX) {
784 selinux_or_die();
785 }
786 #endif
787 ok = 1;
788 argv += optind;
789 for (i = 0; argv[i]; ++i)
790 ok &= statfunc(argv[i] IF_FEATURE_STAT_FORMAT(, format));
791
792 return (ok ? EXIT_SUCCESS : EXIT_FAILURE);
793 }
794