| /* 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; |
| |
| opts = getopt32(argv, "^" |
| "tL" |
| IF_FEATURE_STAT_FILESYSTEM("f") |
| IF_SELINUX("Z") |
| IF_FEATURE_STAT_FORMAT("c:") |
| "\0" "-1" /* min one arg */ |
| IF_FEATURE_STAT_FORMAT(,&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); |
| } |