--- /dev/null
+/*
+ * 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>
+ *
+ * Written by Michael Meskes
+ * Taken from coreutils and turned into a busybox applet by Mike Frysinger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+#include <sys/vfs.h>
+#include <time.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include <string.h>
+#include "busybox.h"
+
+/* vars to control behavior */
+static int follow_links = 0;
+static int terse = 0;
+
+static char const *file_type(struct stat const *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";
+ if (S_TYPEISMQ(st)) return "message queue";
+ if (S_TYPEISSEM(st)) return "semaphore";
+ if (S_TYPEISSHM(st)) return "shared memory object";
+#ifdef S_TYPEISTMO
+ if (S_TYPEISTMO(st)) return "typed memory object";
+#endif
+ return "weird file";
+}
+
+static char const *human_time(time_t t)
+{
+ static char *str;
+ str = ctime(&t);
+ str[strlen(str)-1] = '\0';
+ return str;
+}
+
+/* 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 char const *human_fstype(long f_type)
+{
+#define S_MAGIC_AFFS 0xADFF
+#define S_MAGIC_DEVPTS 0x1CD1
+#define S_MAGIC_EXT 0x137D
+#define S_MAGIC_EXT2_OLD 0xEF51
+#define S_MAGIC_EXT2 0xEF53
+#define S_MAGIC_JFS 0x3153464a
+#define S_MAGIC_XFS 0x58465342
+#define S_MAGIC_HPFS 0xF995E849
+#define S_MAGIC_ISOFS 0x9660
+#define S_MAGIC_ISOFS_WIN 0x4000
+#define S_MAGIC_ISOFS_R_WIN 0x4004
+#define S_MAGIC_MINIX 0x137F
+#define S_MAGIC_MINIX_30 0x138F
+#define S_MAGIC_MINIX_V2 0x2468
+#define S_MAGIC_MINIX_V2_30 0x2478
+#define S_MAGIC_MSDOS 0x4d44
+#define S_MAGIC_FAT 0x4006
+#define S_MAGIC_NCP 0x564c
+#define S_MAGIC_NFS 0x6969
+#define S_MAGIC_PROC 0x9fa0
+#define S_MAGIC_SMB 0x517B
+#define S_MAGIC_XENIX 0x012FF7B4
+#define S_MAGIC_SYSV4 0x012FF7B5
+#define S_MAGIC_SYSV2 0x012FF7B6
+#define S_MAGIC_COH 0x012FF7B7
+#define S_MAGIC_UFS 0x00011954
+#define S_MAGIC_XIAFS 0x012FD16D
+#define S_MAGIC_NTFS 0x5346544e
+#define S_MAGIC_TMPFS 0x1021994
+#define S_MAGIC_REISERFS 0x52654973
+#define S_MAGIC_CRAMFS 0x28cd3d45
+#define S_MAGIC_ROMFS 0x7275
+#define S_MAGIC_RAMFS 0x858458f6
+#define S_MAGIC_SQUASHFS 0x73717368
+#define S_MAGIC_SYSFS 0x62656572
+ switch (f_type) {
+ case S_MAGIC_AFFS: return "affs";
+ case S_MAGIC_DEVPTS: return "devpts";
+ case S_MAGIC_EXT: return "ext";
+ case S_MAGIC_EXT2_OLD: return "ext2";
+ case S_MAGIC_EXT2: return "ext2/ext3";
+ case S_MAGIC_JFS: return "jfs";
+ case S_MAGIC_XFS: return "xfs";
+ case S_MAGIC_HPFS: return "hpfs";
+ case S_MAGIC_ISOFS: return "isofs";
+ case S_MAGIC_ISOFS_WIN: return "isofs";
+ case S_MAGIC_ISOFS_R_WIN: return "isofs";
+ case S_MAGIC_MINIX: return "minix";
+ case S_MAGIC_MINIX_30: return "minix (30 char.)";
+ case S_MAGIC_MINIX_V2: return "minix v2";
+ case S_MAGIC_MINIX_V2_30: return "minix v2 (30 char.)";
+ case S_MAGIC_MSDOS: return "msdos";
+ case S_MAGIC_FAT: return "fat";
+ case S_MAGIC_NCP: return "novell";
+ case S_MAGIC_NFS: return "nfs";
+ case S_MAGIC_PROC: return "proc";
+ case S_MAGIC_SMB: return "smb";
+ case S_MAGIC_XENIX: return "xenix";
+ case S_MAGIC_SYSV4: return "sysv4";
+ case S_MAGIC_SYSV2: return "sysv2";
+ case S_MAGIC_COH: return "coh";
+ case S_MAGIC_UFS: return "ufs";
+ case S_MAGIC_XIAFS: return "xia";
+ case S_MAGIC_NTFS: return "ntfs";
+ case S_MAGIC_TMPFS: return "tmpfs";
+ case S_MAGIC_REISERFS: return "reiserfs";
+ case S_MAGIC_CRAMFS: return "cramfs";
+ case S_MAGIC_ROMFS: return "romfs";
+ case S_MAGIC_RAMFS: return "ramfs";
+ case S_MAGIC_SQUASHFS: return "squashfs";
+ case S_MAGIC_SYSFS: return "sysfs";
+ default: {
+ static char buf[sizeof("UNKNOWN (0x%lx)") - 3
+ + (sizeof(f_type) * CHAR_BIT + 3) / 4];
+ sprintf(buf, "UNKNOWN (0x%lx)", f_type);
+ return buf;
+ }
+ }
+}
+
+#ifdef CONFIG_FEATURE_STAT_FORMAT
+/* print statfs info */
+static void print_statfs(char *pformat, size_t buf_len, char m,
+ char const *filename, void const *data)
+{
+ struct statfs const *statfsbuf = data;
+
+ switch (m) {
+ case 'n':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, filename);
+ break;
+ case 'i':
+ strncat(pformat, "Lx", buf_len);
+ printf(pformat, statfsbuf->f_fsid);
+ break;
+ case 'l':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, statfsbuf->f_namelen);
+ break;
+ case 't':
+ strncat(pformat, "lx", buf_len);
+ printf(pformat, (unsigned long int) (statfsbuf->f_type)); /* no equiv. */
+ break;
+ case 'T':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, human_fstype(statfsbuf->f_type));
+ break;
+ case 'b':
+ strncat(pformat, "ld", buf_len);
+ printf(pformat, (intmax_t) (statfsbuf->f_blocks));
+ break;
+ case 'f':
+ strncat(pformat, "ld", buf_len);
+ printf(pformat, (intmax_t) (statfsbuf->f_bfree));
+ break;
+ case 'a':
+ strncat(pformat, "ld", buf_len);
+ printf(pformat, (intmax_t) (statfsbuf->f_bavail));
+ break;
+ case 's':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (unsigned long int) (statfsbuf->f_bsize));
+ break;
+ case 'S': {
+ unsigned long int frsize = statfsbuf->f_frsize;
+ if (!frsize)
+ frsize = statfsbuf->f_bsize;
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, frsize);
+ break;
+ }
+ case 'c':
+ strncat(pformat, "ld", buf_len);
+ printf(pformat, (intmax_t) (statfsbuf->f_files));
+ break;
+ case 'd':
+ strncat(pformat, "ld", buf_len);
+ printf(pformat, (intmax_t) (statfsbuf->f_ffree));
+ break;
+ default:
+ strncat(pformat, "c", buf_len);
+ printf(pformat, m);
+ break;
+ }
+}
+
+/* print stat info */
+static void print_stat(char *pformat, size_t buf_len, char m,
+ char const *filename, void const *data)
+{
+#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+ struct stat *statbuf = (struct stat *) data;
+ struct passwd *pw_ent;
+ struct group *gw_ent;
+
+ switch (m) {
+ case 'n':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, filename);
+ break;
+ case 'N':
+ strncat(pformat, "s", buf_len);
+ if (S_ISLNK(statbuf->st_mode)) {
+ char *linkname = xreadlink(filename);
+ if (linkname == NULL) {
+ bb_perror_msg("cannot read symbolic link '%s'", filename);
+ return;
+ }
+ /*printf("\"%s\" -> \"%s\"", filename, linkname); */
+ printf(pformat, filename);
+ printf(" -> ");
+ printf(pformat, linkname);
+ } else {
+ printf(pformat, filename);
+ }
+ break;
+ case 'd':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (uintmax_t) statbuf->st_dev);
+ break;
+ case 'D':
+ strncat(pformat, "lx", buf_len);
+ printf(pformat, (uintmax_t) statbuf->st_dev);
+ break;
+ case 'i':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (uintmax_t) statbuf->st_ino);
+ break;
+ case 'a':
+ strncat(pformat, "lo", buf_len);
+ printf(pformat, (unsigned long int) (statbuf->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)));
+ break;
+ case 'A':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, bb_mode_string(statbuf->st_mode));
+ break;
+ case 'f':
+ strncat(pformat, "lx", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_mode);
+ break;
+ case 'F':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, file_type(statbuf));
+ break;
+ case 'h':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_nlink);
+ break;
+ case 'u':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_uid);
+ break;
+ case 'U':
+ strncat(pformat, "s", buf_len);
+ setpwent();
+ pw_ent = getpwuid(statbuf->st_uid);
+ printf(pformat, (pw_ent != 0L) ? pw_ent->pw_name : "UNKNOWN");
+ break;
+ case 'g':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_gid);
+ break;
+ case 'G':
+ strncat(pformat, "s", buf_len);
+ setgrent();
+ gw_ent = getgrgid(statbuf->st_gid);
+ printf(pformat, (gw_ent != 0L) ? gw_ent->gr_name : "UNKNOWN");
+ break;
+ case 't':
+ strncat(pformat, "lx", buf_len);
+ printf(pformat, (unsigned long int) major(statbuf->st_rdev));
+ break;
+ case 'T':
+ strncat(pformat, "lx", buf_len);
+ printf(pformat, (unsigned long int) minor(statbuf->st_rdev));
+ break;
+ case 's':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (uintmax_t) (statbuf->st_size));
+ break;
+ case 'B':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (unsigned long int) 512); //ST_NBLOCKSIZE
+ break;
+ case 'b':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (uintmax_t) statbuf->st_blocks);
+ break;
+ case 'o':
+ strncat(pformat, "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_blksize);
+ break;
+ case 'x':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, human_time(statbuf->st_atime));
+ break;
+ case 'X':
+ strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_atime);
+ break;
+ case 'y':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, human_time(statbuf->st_mtime));
+ break;
+ case 'Y':
+ strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_mtime);
+ break;
+ case 'z':
+ strncat(pformat, "s", buf_len);
+ printf(pformat, human_time(statbuf->st_ctime));
+ break;
+ case 'Z':
+ strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len);
+ printf(pformat, (unsigned long int) statbuf->st_ctime);
+ break;
+ default:
+ strncat(pformat, "c", buf_len);
+ printf(pformat, m);
+ break;
+ }
+}
+
+static void print_it(char const *masterformat, char const *filename,
+ void (*print_func) (char *, size_t, char, char const *, void const *),
+ void const *data)
+{
+ char *b;
+
+ /* create a working copy of the format string */
+ char *format = bb_xstrdup(masterformat);
+
+ /* Add 2 to accommodate our conversion of the stat `%s' format string
+ * to the printf `%llu' one. */
+ size_t n_alloc = strlen(format) + 2 + 1;
+ char *dest = xmalloc(n_alloc);
+
+ b = format;
+ while (b) {
+ char *p = strchr(b, '%');
+ if (p != NULL) {
+ size_t len;
+ *p++ = '\0';
+ fputs(b, stdout);
+
+ len = strspn(p, "#-+.I 0123456789");
+ dest[0] = '%';
+ memcpy(dest + 1, p, len);
+ dest[1 + len] = 0;
+ p += len;
+
+ b = p + 1;
+ switch (*p) {
+ case '\0':
+ b = NULL;
+ /* fall through */
+ case '%':
+ putchar('%');
+ break;
+ default:
+ print_func(dest, n_alloc, *p, filename, data);
+ break;
+ }
+
+ } else {
+ fputs(b, stdout);
+ b = NULL;
+ }
+ }
+
+ free(format);
+ free(dest);
+}
+#endif
+
+/* Stat the file system and print what we find. */
+static int do_statfs(char const *filename, char const *format)
+{
+ struct statfs statfsbuf;
+
+ if (statfs(filename, &statfsbuf) != 0) {
+ bb_perror_msg("cannot read file system information for '%s'", filename);
+ return 0;
+ }
+
+#ifdef CONFIG_FEATURE_STAT_FORMAT
+ if (format == NULL)
+ format = (terse
+ ? "%n %i %l %t %s %S %b %f %a %c %d\n"
+ : " File: \"%n\"\n"
+ " ID: %-8i Namelen: %-7l Type: %T\n"
+ "Block size: %-10s Fundamental block size: %S\n"
+ "Blocks: Total: %-10b Free: %-10f Available: %a\n"
+ "Inodes: Total: %-10c Free: %d\n");
+ print_it(format, filename, print_statfs, &statfsbuf);
+#else
+
+ format = (terse
+ ? "%s %Lx %lu "
+ : " File: \"%s\"\n"
+ " ID: %-8Lx Namelen: %-7lu ");
+ printf(format,
+ filename,
+ statfsbuf.f_fsid,
+ statfsbuf.f_namelen);
+
+ if (terse)
+ printf("%lx ", (unsigned long int) (statfsbuf.f_type));
+ else
+ printf("Type: %s\n", human_fstype(statfsbuf.f_type));
+
+ format = (terse
+ ? "%lu %lu %ld %ld %ld %ld %ld\n"
+ : "Block size: %-10lu Fundamental block size: %lu\n"
+ "Blocks: Total: %-10ld Free: %-10ld Available: %ld\n"
+ "Inodes: Total: %-10ld Free: %ld\n");
+ printf(format,
+ (unsigned long int) (statfsbuf.f_bsize),
+ statfsbuf.f_frsize ? statfsbuf.f_frsize : statfsbuf.f_bsize,
+ (intmax_t) (statfsbuf.f_blocks),
+ (intmax_t) (statfsbuf.f_bfree),
+ (intmax_t) (statfsbuf.f_bavail),
+ (intmax_t) (statfsbuf.f_files),
+ (intmax_t) (statfsbuf.f_ffree));
+#endif
+
+ return 1;
+}
+
+/* stat the file and print what we find */
+static int do_stat(char const *filename, char const *format)
+{
+ struct stat statbuf;
+
+ if ((follow_links ? stat : lstat) (filename, &statbuf) != 0) {
+ bb_perror_msg("cannot stat '%s'", filename);
+ return 0;
+ }
+
+#ifdef CONFIG_FEATURE_STAT_FORMAT
+ if (format == NULL) {
+ if (terse) {
+ format = "%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 =
+ " 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";
+ }
+ }
+ }
+ print_it(format, filename, print_stat, &statbuf);
+#else
+ if (terse) {
+ printf("%s %lu %lu %lx %lu %lu %lx %lu %lu %lx %lx %lu %lu %lu %lu\n",
+ filename,
+ (uintmax_t) (statbuf.st_size),
+ (uintmax_t) statbuf.st_blocks,
+ (unsigned long int) statbuf.st_mode,
+ (unsigned long int) statbuf.st_uid,
+ (unsigned long int) statbuf.st_gid,
+ (uintmax_t) statbuf.st_dev,
+ (uintmax_t) statbuf.st_ino,
+ (unsigned long int) statbuf.st_nlink,
+ (unsigned long int) major(statbuf.st_rdev),
+ (unsigned long int) minor(statbuf.st_rdev),
+ (unsigned long int) statbuf.st_atime,
+ (unsigned long int) statbuf.st_mtime,
+ (unsigned long int) statbuf.st_ctime,
+ (unsigned long int) statbuf.st_blksize
+ );
+ } else {
+ char *linkname = NULL;
+
+ struct passwd *pw_ent;
+ struct group *gw_ent;
+ setgrent();
+ gw_ent = getgrgid(statbuf.st_gid);
+ setpwent();
+ pw_ent = getpwuid(statbuf.st_uid);
+
+ if (S_ISLNK(statbuf.st_mode))
+ linkname = xreadlink(filename);
+ if (linkname)
+ printf(" File: \"%s\" -> \"%s\"\n", filename, linkname);
+ else
+ printf(" File: \"%s\"\n", filename);
+
+ printf(" Size: %-10lu\tBlocks: %-10lu IO Block: %-6lu %s\n"
+ "Device: %lxh/%lud\tInode: %-10lu Links: %-5lu",
+ (uintmax_t) (statbuf.st_size),
+ (uintmax_t) statbuf.st_blocks,
+ (unsigned long int) statbuf.st_blksize,
+ file_type(&statbuf),
+ (uintmax_t) statbuf.st_dev,
+ (uintmax_t) statbuf.st_dev,
+ (uintmax_t) statbuf.st_ino,
+ (unsigned long int) statbuf.st_nlink);
+ if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode))
+ printf(" Device type: %lx,%lx\n",
+ (unsigned long int) major(statbuf.st_rdev),
+ (unsigned long int) minor(statbuf.st_rdev));
+ else
+ putchar('\n');
+ printf("Access: (%04lo/%10.10s) Uid: (%5lu/%8s) Gid: (%5lu/%8s)\n"
+ "Access: %s\n" "Modify: %s\n" "Change: %s\n",
+ (unsigned long int) (statbuf.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)),
+ bb_mode_string(statbuf.st_mode),
+ (unsigned long int) statbuf.st_uid,
+ (pw_ent != 0L) ? pw_ent->pw_name : "UNKNOWN",
+ (unsigned long int) statbuf.st_gid,
+ (gw_ent != 0L) ? gw_ent->gr_name : "UNKNOWN",
+ human_time(statbuf.st_atime),
+ human_time(statbuf.st_mtime),
+ human_time(statbuf.st_ctime));
+ }
+#endif
+ return 1;
+}
+
+int stat_main(int argc, char **argv)
+{
+ int i;
+ char *format = NULL;
+ int ok = 1;
+ long flags;
+ int (*statfunc)(char const *, char const *) = do_stat;
+
+ flags = bb_getopt_ulflags(argc, argv, "fLlt"
+#ifdef CONFIG_FEATURE_STAT_FORMAT
+ "c:", &format
+#endif
+ );
+
+ if (flags & 1) /* -f */
+ statfunc = do_statfs;
+ if (flags & 2 || flags & 4) /* -L, -l */
+ follow_links = 1;
+ if (flags & 8) /* -t */
+ terse = 1;
+ if (argc == optind) /* files */
+ bb_show_usage();
+
+ for (i = optind; i < argc; ++i)
+ ok &= statfunc(argv[i], format);
+
+ return (ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
projects / platform / upstream / busybox.git / commitdiff