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busybox/coreutils/stat.c
Denys Vlasenko 248a67fb75 free,stat: make NOEXEC 
pkill/pgrep/pidof uncovered another quirk: what about noexec's _process names_?

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07 18:18:09 +02:00

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/* vi: set sw=4 ts=4: */
/*
* stat -- display file or file system status
*
* Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation.
* Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
* Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
* Copyright (C) 2006 by Yoshinori Sato <ysato@users.sourceforge.jp>
*
* Written by Michael Meskes
* Taken from coreutils and turned into a busybox applet by Mike Frysinger
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//config:config STAT
//config: bool "stat (10 kb)"
//config: default y
//config: help
//config: display file or filesystem status.
//config:
//config:config FEATURE_STAT_FORMAT
//config: bool "Enable custom formats (-c)"
//config: default y
//config: depends on STAT
//config: help
//config: Without this, stat will not support the '-c format' option where
//config: users can pass a custom format string for output. This adds about
//config: 7k to a nonstatic build on amd64.
//config:
//config:config FEATURE_STAT_FILESYSTEM
//config: bool "Enable display of filesystem status (-f)"
//config: default y
//config: depends on STAT
//config: select PLATFORM_LINUX # statfs()
//config: help
//config: Without this, stat will not support the '-f' option to display
//config: information about filesystem status.
//applet:IF_STAT(APPLET_NOEXEC(stat, stat, BB_DIR_BIN, BB_SUID_DROP, stat))
//kbuild:lib-$(CONFIG_STAT) += stat.o
//usage:#define stat_trivial_usage
//usage: "[OPTIONS] FILE..."
//usage:#define stat_full_usage "\n\n"
//usage: "Display file"
//usage: IF_FEATURE_STAT_FILESYSTEM(" (default) or filesystem")
//usage: " status\n"
//usage: IF_FEATURE_STAT_FORMAT(
//usage: "\n -c FMT Use the specified format"
//usage: )
//usage: IF_FEATURE_STAT_FILESYSTEM(
//usage: "\n -f Display filesystem status"
//usage: )
//usage: "\n -L Follow links"
//usage: "\n -t Terse display"
//usage: IF_SELINUX(
//usage: "\n -Z Print security context"
//usage: )
//usage: IF_FEATURE_STAT_FORMAT(
//usage: "\n\nFMT sequences"IF_FEATURE_STAT_FILESYSTEM(" for files")":\n"
//usage: " %a Access rights in octal\n"
//usage: " %A Access rights in human readable form\n"
//usage: " %b Number of blocks allocated (see %B)\n"
//usage: " %B Size in bytes of each block reported by %b\n"
//usage: " %d Device number in decimal\n"
//usage: " %D Device number in hex\n"
//usage: " %f Raw mode in hex\n"
//usage: " %F File type\n"
//usage: " %g Group ID\n"
//usage: " %G Group name\n"
//usage: " %h Number of hard links\n"
//usage: " %i Inode number\n"
//usage: " %n File name\n"
//usage: " %N File name, with -> TARGET if symlink\n"
//usage: " %o I/O block size\n"
//usage: " %s Total size in bytes\n"
//usage: " %t Major device type in hex\n"
//usage: " %T Minor device type in hex\n"
//usage: " %u User ID\n"
//usage: " %U User name\n"
//usage: " %x Time of last access\n"
//usage: " %X Time of last access as seconds since Epoch\n"
//usage: " %y Time of last modification\n"
//usage: " %Y Time of last modification as seconds since Epoch\n"
//usage: " %z Time of last change\n"
//usage: " %Z Time of last change as seconds since Epoch\n"
//usage: IF_FEATURE_STAT_FILESYSTEM(
//usage: "\nFMT sequences for file systems:\n"
//usage: " %a Free blocks available to non-superuser\n"
//usage: " %b Total data blocks\n"
//usage: " %c Total file nodes\n"
//usage: " %d Free file nodes\n"
//usage: " %f Free blocks\n"
//usage: IF_SELINUX(
//usage: " %C Security context in selinux\n"
//usage: )
//usage: " %i File System ID in hex\n"
//usage: " %l Maximum length of filenames\n"
//usage: " %n File name\n"
//usage: " %s Block size (for faster transfer)\n"
//usage: " %S Fundamental block size (for block counts)\n"
//usage: " %t Type in hex\n"
//usage: " %T Type in human readable form"
//usage: )
//usage: )
#include "libbb.h"
#include "common_bufsiz.h"
enum {
OPT_TERSE = (1 << 0),
OPT_DEREFERENCE = (1 << 1),
OPT_FILESYS = (1 << 2) * ENABLE_FEATURE_STAT_FILESYSTEM,
OPT_SELINUX = (1 << (2+ENABLE_FEATURE_STAT_FILESYSTEM)) * ENABLE_SELINUX,
};
#if ENABLE_FEATURE_STAT_FORMAT
typedef bool (*statfunc_ptr)(const char *, const char *);
#else
typedef bool (*statfunc_ptr)(const char *);
#endif
static const char *file_type(const struct stat *st)
{
/* See POSIX 1003.1-2001 XCU Table 4-8 lines 17093-17107
* for some of these formats.
* To keep diagnostics grammatical in English, the
* returned string must start with a consonant.
*/
if (S_ISREG(st->st_mode)) return st->st_size == 0 ? "regular empty file" : "regular file";
if (S_ISDIR(st->st_mode)) return "directory";
if (S_ISBLK(st->st_mode)) return "block special file";
if (S_ISCHR(st->st_mode)) return "character special file";
if (S_ISFIFO(st->st_mode)) return "fifo";
if (S_ISLNK(st->st_mode)) return "symbolic link";
if (S_ISSOCK(st->st_mode)) return "socket";
#ifdef S_TYPEISMQ
if (S_TYPEISMQ(st)) return "message queue";
#endif
#ifdef S_TYPEISSEM
if (S_TYPEISSEM(st)) return "semaphore";
#endif
#ifdef S_TYPEISSHM
if (S_TYPEISSHM(st)) return "shared memory object";
#endif
#ifdef S_TYPEISTMO
if (S_TYPEISTMO(st)) return "typed memory object";
#endif
return "weird file";
}
static const char *human_time(time_t t)
{
/* Old
static char *str;
str = ctime(&t);
str[strlen(str)-1] = '\0';
return str;
*/
/* coreutils 6.3 compat: */
/*static char buf[sizeof("YYYY-MM-DD HH:MM:SS.000000000")] ALIGN1;*/
#define buf bb_common_bufsiz1
setup_common_bufsiz();
strcpy(strftime_YYYYMMDDHHMMSS(buf, COMMON_BUFSIZE, &t), ".000000000");
return buf;
#undef buf
}
#if ENABLE_FEATURE_STAT_FILESYSTEM
/* Return the type of the specified file system.
* Some systems have statfvs.f_basetype[FSTYPSZ]. (AIX, HP-UX, and Solaris)
* Others have statfs.f_fstypename[MFSNAMELEN]. (NetBSD 1.5.2)
* Still others have neither and have to get by with f_type (Linux).
*/
static const char *human_fstype(uint32_t f_type)
{
static const struct types {
uint32_t type;
const char *const fs;
} humantypes[] = {
{ 0xADFF, "affs" },
{ 0x1Cd1, "devpts" },
{ 0x137D, "ext" },
{ 0xEF51, "ext2" },
{ 0xEF53, "ext2/ext3" },
{ 0x3153464a, "jfs" },
{ 0x58465342, "xfs" },
{ 0xF995E849, "hpfs" },
{ 0x9660, "isofs" },
{ 0x4000, "isofs" },
{ 0x4004, "isofs" },
{ 0x137F, "minix" },
{ 0x138F, "minix (30 char.)" },
{ 0x2468, "minix v2" },
{ 0x2478, "minix v2 (30 char.)" },
{ 0x4d44, "msdos" },
{ 0x4006, "fat" },
{ 0x564c, "novell" },
{ 0x6969, "nfs" },
{ 0x9fa0, "proc" },
{ 0x517B, "smb" },
{ 0x012FF7B4, "xenix" },
{ 0x012FF7B5, "sysv4" },
{ 0x012FF7B6, "sysv2" },
{ 0x012FF7B7, "coh" },
{ 0x00011954, "ufs" },
{ 0x012FD16D, "xia" },
{ 0x5346544e, "ntfs" },
{ 0x1021994, "tmpfs" },
{ 0x52654973, "reiserfs" },
{ 0x28cd3d45, "cramfs" },
{ 0x7275, "romfs" },
{ 0x858458f6, "romfs" },
{ 0x73717368, "squashfs" },
{ 0x62656572, "sysfs" },
{ 0, "UNKNOWN" }
};
int i;
for (i = 0; humantypes[i].type; ++i)
if (humantypes[i].type == f_type)
break;
return humantypes[i].fs;
}
/* "man statfs" says that statfsbuf->f_fsid is a mess */
/* coreutils treats it as an array of ints, most significant first */
static unsigned long long get_f_fsid(const struct statfs *statfsbuf)
{
const unsigned *p = (const void*) &statfsbuf->f_fsid;
unsigned sz = sizeof(statfsbuf->f_fsid) / sizeof(unsigned);
unsigned long long r = 0;
do
r = (r << (sizeof(unsigned)*8)) | *p++;
while (--sz > 0);
return r;
}
#endif /* FEATURE_STAT_FILESYSTEM */
#if ENABLE_FEATURE_STAT_FORMAT
static void strcatc(char *str, char c)
{
int len = strlen(str);
str[len++] = c;
str[len] = '\0';
}
static void printfs(char *pformat, const char *msg)
{
strcatc(pformat, 's');
printf(pformat, msg);
}
#if ENABLE_FEATURE_STAT_FILESYSTEM
/* print statfs info */
static void FAST_FUNC print_statfs(char *pformat, const char m,
const char *const filename, const void *data
IF_SELINUX(, security_context_t scontext))
{
const struct statfs *statfsbuf = data;
if (m == 'n') {
printfs(pformat, filename);
} else if (m == 'i') {
strcat(pformat, "llx");
printf(pformat, get_f_fsid(statfsbuf));
} else if (m == 'l') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) statfsbuf->f_namelen);
} else if (m == 't') {
strcat(pformat, "lx");
printf(pformat, (unsigned long) statfsbuf->f_type); /* no equiv */
} else if (m == 'T') {
printfs(pformat, human_fstype(statfsbuf->f_type));
} else if (m == 'b') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statfsbuf->f_blocks);
} else if (m == 'f') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statfsbuf->f_bfree);
} else if (m == 'a') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statfsbuf->f_bavail);
} else if (m == 's' || m == 'S') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) statfsbuf->f_bsize);
} else if (m == 'c') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statfsbuf->f_files);
} else if (m == 'd') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statfsbuf->f_ffree);
# if ENABLE_SELINUX
} else if (m == 'C' && (option_mask32 & OPT_SELINUX)) {
printfs(pformat, scontext);
# endif
} else {
strcatc(pformat, 'c');
printf(pformat, m);
}
}
#endif
/* print stat info */
static void FAST_FUNC print_stat(char *pformat, const char m,
const char *const filename, const void *data
IF_SELINUX(, security_context_t scontext))
{
#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
struct stat *statbuf = (struct stat *) data;
struct passwd *pw_ent;
struct group *gw_ent;
if (m == 'n') {
printfs(pformat, filename);
} else if (m == 'N') {
strcatc(pformat, 's');
if (S_ISLNK(statbuf->st_mode)) {
char *linkname = xmalloc_readlink_or_warn(filename);
if (linkname == NULL)
return;
printf("'%s' -> '%s'", filename, linkname);
free(linkname);
} else {
printf(pformat, filename);
}
} else if (m == 'd') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statbuf->st_dev);
} else if (m == 'D') {
strcat(pformat, "llx");
printf(pformat, (unsigned long long) statbuf->st_dev);
} else if (m == 'i') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statbuf->st_ino);
} else if (m == 'a') {
strcat(pformat, "lo");
printf(pformat, (unsigned long) (statbuf->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)));
} else if (m == 'A') {
printfs(pformat, bb_mode_string(statbuf->st_mode));
} else if (m == 'f') {
strcat(pformat, "lx");
printf(pformat, (unsigned long) statbuf->st_mode);
} else if (m == 'F') {
printfs(pformat, file_type(statbuf));
} else if (m == 'h') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) statbuf->st_nlink);
} else if (m == 'u') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) statbuf->st_uid);
} else if (m == 'U') {
pw_ent = getpwuid(statbuf->st_uid);
printfs(pformat, (pw_ent != NULL) ? pw_ent->pw_name : "UNKNOWN");
} else if (m == 'g') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) statbuf->st_gid);
} else if (m == 'G') {
gw_ent = getgrgid(statbuf->st_gid);
printfs(pformat, (gw_ent != NULL) ? gw_ent->gr_name : "UNKNOWN");
} else if (m == 't') {
strcat(pformat, "lx");
printf(pformat, (unsigned long) major(statbuf->st_rdev));
} else if (m == 'T') {
strcat(pformat, "lx");
printf(pformat, (unsigned long) minor(statbuf->st_rdev));
} else if (m == 's') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statbuf->st_size);
} else if (m == 'B') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) 512); //ST_NBLOCKSIZE
} else if (m == 'b') {
strcat(pformat, "llu");
printf(pformat, (unsigned long long) statbuf->st_blocks);
} else if (m == 'o') {
strcat(pformat, "lu");
printf(pformat, (unsigned long) statbuf->st_blksize);
} else if (m == 'x') {
printfs(pformat, human_time(statbuf->st_atime));
} else if (m == 'X') {
strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
/* note: (unsigned long) would be wrong:
* imagine (unsigned long64)int32 */
printf(pformat, (long) statbuf->st_atime);
} else if (m == 'y') {
printfs(pformat, human_time(statbuf->st_mtime));
} else if (m == 'Y') {
strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
printf(pformat, (long) statbuf->st_mtime);
} else if (m == 'z') {
printfs(pformat, human_time(statbuf->st_ctime));
} else if (m == 'Z') {
strcat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu");
printf(pformat, (long) statbuf->st_ctime);
# if ENABLE_SELINUX
} else if (m == 'C' && (option_mask32 & OPT_SELINUX)) {
printfs(pformat, scontext);
# endif
} else {
strcatc(pformat, 'c');
printf(pformat, m);
}
}
static void print_it(const char *masterformat,
const char *filename,
void FAST_FUNC (*print_func)(char*, char, const char*, const void* IF_SELINUX(, security_context_t scontext)),
const void *data
IF_SELINUX(, security_context_t scontext))
{
/* Create a working copy of the format string */
char *format = xstrdup(masterformat);
/* Add 2 to accommodate our conversion of the stat '%s' format string
* to the printf '%llu' one. */
char *dest = xmalloc(strlen(format) + 2 + 1);
char *b;
b = format;
while (b) {
/* Each iteration finds next %spec,
* prints preceding string and handles found %spec
*/
size_t len;
char *p = strchr(b, '%');
if (!p) {
/* coreutils 6.3 always prints newline at the end */
/*fputs(b, stdout);*/
puts(b);
break;
}
/* dest = "%<modifiers>" */
len = 1 + strspn(p + 1, "#-+.I 0123456789");
memcpy(dest, p, len);
dest[len] = '\0';
/* print preceding string */
*p = '\0';
fputs(b, stdout);
p += len;
b = p + 1;
switch (*p) {
case '\0':
b = NULL;
/* fall through */
case '%':
bb_putchar('%');
break;
default:
/* Completes "%<modifiers>" with specifier and printfs */
print_func(dest, *p, filename, data IF_SELINUX(,scontext));
break;
}
}
free(format);
free(dest);
}
#endif /* FEATURE_STAT_FORMAT */
#if ENABLE_FEATURE_STAT_FILESYSTEM
/* Stat the file system and print what we find. */
#if !ENABLE_FEATURE_STAT_FORMAT
#define do_statfs(filename, format) do_statfs(filename)
#endif
static bool do_statfs(const char *filename, const char *format)
{
struct statfs statfsbuf;
#if !ENABLE_FEATURE_STAT_FORMAT
const char *format;
#endif
#if ENABLE_SELINUX
security_context_t scontext = NULL;
if (option_mask32 & OPT_SELINUX) {
if ((option_mask32 & OPT_DEREFERENCE
? lgetfilecon(filename, &scontext)
: getfilecon(filename, &scontext)
) < 0
) {
bb_simple_perror_msg(filename);
return 0;
}
}
#endif
if (statfs(filename, &statfsbuf) != 0) {
bb_perror_msg("can't read file system information for '%s'", filename);
return 0;
}
#if ENABLE_FEATURE_STAT_FORMAT
if (format == NULL) {
# if !ENABLE_SELINUX
format = (option_mask32 & OPT_TERSE
? "%n %i %l %t %s %b %f %a %c %d\n"
: " File: \"%n\"\n"
" ID: %-8i Namelen: %-7l Type: %T\n"
"Block size: %-10s\n"
"Blocks: Total: %-10b Free: %-10f Available: %a\n"
"Inodes: Total: %-10c Free: %d");
# else
format = (option_mask32 & OPT_TERSE
? (option_mask32 & OPT_SELINUX ? "%n %i %l %t %s %b %f %a %c %d %C\n":
"%n %i %l %t %s %b %f %a %c %d\n")
: (option_mask32 & OPT_SELINUX ?
" File: \"%n\"\n"
" ID: %-8i Namelen: %-7l Type: %T\n"
"Block size: %-10s\n"
"Blocks: Total: %-10b Free: %-10f Available: %a\n"
"Inodes: Total: %-10c Free: %d"
" S_context: %C\n":
" File: \"%n\"\n"
" ID: %-8i Namelen: %-7l Type: %T\n"
"Block size: %-10s\n"
"Blocks: Total: %-10b Free: %-10f Available: %a\n"
"Inodes: Total: %-10c Free: %d\n")
);
# endif /* SELINUX */
}
print_it(format, filename, print_statfs, &statfsbuf IF_SELINUX(, scontext));
#else /* FEATURE_STAT_FORMAT */
format = (option_mask32 & OPT_TERSE
? "%s %llx %lu "
: " File: \"%s\"\n"
" ID: %-8llx Namelen: %-7lu ");
printf(format,
filename,
get_f_fsid(&statfsbuf),
statfsbuf.f_namelen);
if (option_mask32 & OPT_TERSE)
printf("%lx ", (unsigned long) statfsbuf.f_type);
else
printf("Type: %s\n", human_fstype(statfsbuf.f_type));
# if !ENABLE_SELINUX
format = (option_mask32 & OPT_TERSE
? "%lu %llu %llu %llu %llu %llu\n"
: "Block size: %-10lu\n"
"Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
"Inodes: Total: %-10llu Free: %llu\n");
printf(format,
(unsigned long) statfsbuf.f_bsize,
(unsigned long long) statfsbuf.f_blocks,
(unsigned long long) statfsbuf.f_bfree,
(unsigned long long) statfsbuf.f_bavail,
(unsigned long long) statfsbuf.f_files,
(unsigned long long) statfsbuf.f_ffree);
# else
format = (option_mask32 & OPT_TERSE
? (option_mask32 & OPT_SELINUX ? "%lu %llu %llu %llu %llu %llu %C\n" : "%lu %llu %llu %llu %llu %llu\n")
: (option_mask32 & OPT_SELINUX
? "Block size: %-10lu\n"
"Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
"Inodes: Total: %-10llu Free: %llu"
"S_context: %C\n"
: "Block size: %-10lu\n"
"Blocks: Total: %-10llu Free: %-10llu Available: %llu\n"
"Inodes: Total: %-10llu Free: %llu\n"
)
);
printf(format,
(unsigned long) statfsbuf.f_bsize,
(unsigned long long) statfsbuf.f_blocks,
(unsigned long long) statfsbuf.f_bfree,
(unsigned long long) statfsbuf.f_bavail,
(unsigned long long) statfsbuf.f_files,
(unsigned long long) statfsbuf.f_ffree,
scontext);
if (scontext)
freecon(scontext);
# endif
#endif /* FEATURE_STAT_FORMAT */
return 1;
}
#endif /* FEATURE_STAT_FILESYSTEM */
/* stat the file and print what we find */
#if !ENABLE_FEATURE_STAT_FORMAT
#define do_stat(filename, format) do_stat(filename)
#endif
static bool do_stat(const char *filename, const char *format)
{
struct stat statbuf;
#if ENABLE_SELINUX
security_context_t scontext = NULL;
if (option_mask32 & OPT_SELINUX) {
if ((option_mask32 & OPT_DEREFERENCE
? lgetfilecon(filename, &scontext)
: getfilecon(filename, &scontext)
) < 0
) {
bb_simple_perror_msg(filename);
return 0;
}
}
#endif
if ((option_mask32 & OPT_DEREFERENCE ? stat : lstat) (filename, &statbuf) != 0) {
bb_perror_msg("can't stat '%s'", filename);
return 0;
}
#if ENABLE_FEATURE_STAT_FORMAT
if (format == NULL) {
# if !ENABLE_SELINUX
if (option_mask32 & OPT_TERSE) {
format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o";
} else {
if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
format =
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %-5h"
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n";
} else {
format =
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n";
}
}
# else
if (option_mask32 & OPT_TERSE) {
format = (option_mask32 & OPT_SELINUX ?
"%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o %C\n"
:
"%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o\n"
);
} else {
if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
format = (option_mask32 & OPT_SELINUX ?
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %-5h"
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
" S_Context: %C\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n"
:
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %-5h"
" Device type: %t,%T\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n"
);
} else {
format = (option_mask32 & OPT_SELINUX ?
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"S_Context: %C\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n"
:
" File: %N\n"
" Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
"Device: %Dh/%dd\tInode: %-10i Links: %h\n"
"Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n"
"Access: %x\n" "Modify: %y\n" "Change: %z\n"
);
}
}
# endif
}
print_it(format, filename, print_stat, &statbuf IF_SELINUX(, scontext));
#else /* FEATURE_STAT_FORMAT */
if (option_mask32 & OPT_TERSE) {
printf("%s %llu %llu %lx %lu %lu %llx %llu %lu %lx %lx %lu %lu %lu %lu"
IF_NOT_SELINUX("\n"),
filename,
(unsigned long long) statbuf.st_size,
(unsigned long long) statbuf.st_blocks,
(unsigned long) statbuf.st_mode,
(unsigned long) statbuf.st_uid,
(unsigned long) statbuf.st_gid,
(unsigned long long) statbuf.st_dev,
(unsigned long long) statbuf.st_ino,
(unsigned long) statbuf.st_nlink,
(unsigned long) major(statbuf.st_rdev),
(unsigned long) minor(statbuf.st_rdev),
(unsigned long) statbuf.st_atime,
(unsigned long) statbuf.st_mtime,
(unsigned long) statbuf.st_ctime,
(unsigned long) statbuf.st_blksize
);
# if ENABLE_SELINUX
if (option_mask32 & OPT_SELINUX)
printf(" %s\n", scontext);
else
bb_putchar('\n');
# endif
} else {
char *linkname = NULL;
struct passwd *pw_ent;
struct group *gw_ent;
gw_ent = getgrgid(statbuf.st_gid);
pw_ent = getpwuid(statbuf.st_uid);
if (S_ISLNK(statbuf.st_mode))
linkname = xmalloc_readlink_or_warn(filename);
if (linkname) {
printf(" File: '%s' -> '%s'\n", filename, linkname);
free(linkname);
} else {
printf(" File: '%s'\n", filename);
}
printf(" Size: %-10llu\tBlocks: %-10llu IO Block: %-6lu %s\n"
"Device: %llxh/%llud\tInode: %-10llu Links: %-5lu",
(unsigned long long) statbuf.st_size,
(unsigned long long) statbuf.st_blocks,
(unsigned long) statbuf.st_blksize,
file_type(&statbuf),
(unsigned long long) statbuf.st_dev,
(unsigned long long) statbuf.st_dev,
(unsigned long long) statbuf.st_ino,
(unsigned long) statbuf.st_nlink);
if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode))
printf(" Device type: %lx,%lx\n",
(unsigned long) major(statbuf.st_rdev),
(unsigned long) minor(statbuf.st_rdev));
else
bb_putchar('\n');
printf("Access: (%04lo/%10.10s) Uid: (%5lu/%8s) Gid: (%5lu/%8s)\n",
(unsigned long) (statbuf.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)),
bb_mode_string(statbuf.st_mode),
(unsigned long) statbuf.st_uid,
(pw_ent != NULL) ? pw_ent->pw_name : "UNKNOWN",
(unsigned long) statbuf.st_gid,
(gw_ent != NULL) ? gw_ent->gr_name : "UNKNOWN");
# if ENABLE_SELINUX
if (option_mask32 & OPT_SELINUX)
printf(" S_Context: %s\n", scontext);
# endif
printf("Access: %s\n", human_time(statbuf.st_atime));
printf("Modify: %s\n", human_time(statbuf.st_mtime));
printf("Change: %s\n", human_time(statbuf.st_ctime));
}
#endif /* FEATURE_STAT_FORMAT */
return 1;
}
int stat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int stat_main(int argc UNUSED_PARAM, char **argv)
{
IF_FEATURE_STAT_FORMAT(char *format = NULL;)
int i;
int ok;
unsigned opts;
statfunc_ptr statfunc = do_stat;
opt_complementary = "-1"; /* min one arg */
opts = getopt32(argv, "tL"
IF_FEATURE_STAT_FILESYSTEM("f")
IF_SELINUX("Z")
IF_FEATURE_STAT_FORMAT("c:", &format)
);
#if ENABLE_FEATURE_STAT_FILESYSTEM
if (opts & OPT_FILESYS) /* -f */
statfunc = do_statfs;
#endif
#if ENABLE_SELINUX
if (opts & OPT_SELINUX) {
selinux_or_die();
}
#endif
ok = 1;
argv += optind;
for (i = 0; argv[i]; ++i)
ok &= statfunc(argv[i] IF_FEATURE_STAT_FORMAT(, format));
return (ok ? EXIT_SUCCESS : EXIT_FAILURE);
}
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