1095 lines
25 KiB
C
1095 lines
25 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-NetBSD
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*
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Brown.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if 0
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#ifndef lint
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__RCSID("$NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $"
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"$OpenBSD: stat.c,v 1.14 2009/06/24 09:44:25 sobrado Exp $");
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#endif
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#endif
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__FBSDID("$FreeBSD$");
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#if HAVE_CONFIG_H
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#include "config.h"
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#else /* HAVE_CONFIG_H */
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#define HAVE_STRUCT_STAT_ST_FLAGS 1
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#define HAVE_STRUCT_STAT_ST_GEN 1
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#define HAVE_STRUCT_STAT_ST_BIRTHTIME 1
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#define HAVE_STRUCT_STAT_ST_MTIMENSEC 1
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#define HAVE_DEVNAME 1
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#endif /* HAVE_CONFIG_H */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <grp.h>
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#include <limits.h>
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#include <locale.h>
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#include <paths.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#if HAVE_STRUCT_STAT_ST_FLAGS
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#define DEF_F "%#Xf "
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#define RAW_F "%f "
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#define SHELL_F " st_flags=%f"
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#else /* HAVE_STRUCT_STAT_ST_FLAGS */
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#define DEF_F
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#define RAW_F
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#define SHELL_F
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#endif /* HAVE_STRUCT_STAT_ST_FLAGS */
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#if HAVE_STRUCT_STAT_ST_BIRTHTIME
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#define DEF_B "\"%SB\" "
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#define RAW_B "%B "
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#define SHELL_B "st_birthtime=%B "
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#else /* HAVE_STRUCT_STAT_ST_BIRTHTIME */
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#define DEF_B
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#define RAW_B
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#define SHELL_B
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#endif /* HAVE_STRUCT_STAT_ST_BIRTHTIME */
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#if HAVE_STRUCT_STAT_ST_ATIM
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#define st_atimespec st_atim
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#define st_ctimespec st_ctim
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#define st_mtimespec st_mtim
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#endif /* HAVE_STRUCT_STAT_ST_ATIM */
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#define DEF_FORMAT \
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"%d %i %Sp %l %Su %Sg %r %z \"%Sa\" \"%Sm\" \"%Sc\" " DEF_B \
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"%k %b " DEF_F "%N"
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#define RAW_FORMAT "%d %i %#p %l %u %g %r %z %a %m %c " RAW_B \
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"%k %b " RAW_F "%N"
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#define LS_FORMAT "%Sp %l %Su %Sg %Z %Sm %N%SY"
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#define LSF_FORMAT "%Sp %l %Su %Sg %Z %Sm %N%T%SY"
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#define SHELL_FORMAT \
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"st_dev=%d st_ino=%i st_mode=%#p st_nlink=%l " \
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"st_uid=%u st_gid=%g st_rdev=%r st_size=%z " \
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"st_atime=%a st_mtime=%m st_ctime=%c " SHELL_B \
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"st_blksize=%k st_blocks=%b" SHELL_F
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#define LINUX_FORMAT \
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" File: \"%N\"%n" \
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" Size: %-11z FileType: %HT%n" \
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" Mode: (%OMp%03OLp/%.10Sp) Uid: (%5u/%8Su) Gid: (%5g/%8Sg)%n" \
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"Device: %Hd,%Ld Inode: %i Links: %l%n" \
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"Access: %Sa%n" \
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"Modify: %Sm%n" \
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"Change: %Sc%n" \
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" Birth: %SB"
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#define TIME_FORMAT "%b %e %T %Y"
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#define FLAG_POUND 0x01
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#define FLAG_SPACE 0x02
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#define FLAG_PLUS 0x04
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#define FLAG_ZERO 0x08
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#define FLAG_MINUS 0x10
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/*
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* These format characters must all be unique, except the magic one.
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*/
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#define FMT_MAGIC '%'
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#define FMT_DOT '.'
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#define SIMPLE_NEWLINE 'n'
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#define SIMPLE_TAB 't'
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#define SIMPLE_PERCENT '%'
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#define SIMPLE_NUMBER '@'
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#define FMT_POUND '#'
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#define FMT_SPACE ' '
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#define FMT_PLUS '+'
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#define FMT_ZERO '0'
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#define FMT_MINUS '-'
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#define FMT_DECIMAL 'D'
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#define FMT_OCTAL 'O'
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#define FMT_UNSIGNED 'U'
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#define FMT_HEX 'X'
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#define FMT_FLOAT 'F'
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#define FMT_STRING 'S'
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#define FMTF_DECIMAL 0x01
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#define FMTF_OCTAL 0x02
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#define FMTF_UNSIGNED 0x04
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#define FMTF_HEX 0x08
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#define FMTF_FLOAT 0x10
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#define FMTF_STRING 0x20
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#define HIGH_PIECE 'H'
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#define MIDDLE_PIECE 'M'
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#define LOW_PIECE 'L'
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#define SHOW_realpath 'R'
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#define SHOW_st_dev 'd'
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#define SHOW_st_ino 'i'
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#define SHOW_st_mode 'p'
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#define SHOW_st_nlink 'l'
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#define SHOW_st_uid 'u'
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#define SHOW_st_gid 'g'
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#define SHOW_st_rdev 'r'
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#define SHOW_st_atime 'a'
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#define SHOW_st_mtime 'm'
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#define SHOW_st_ctime 'c'
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#define SHOW_st_btime 'B'
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#define SHOW_st_size 'z'
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#define SHOW_st_blocks 'b'
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#define SHOW_st_blksize 'k'
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#define SHOW_st_flags 'f'
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#define SHOW_st_gen 'v'
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#define SHOW_symlink 'Y'
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#define SHOW_filetype 'T'
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#define SHOW_filename 'N'
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#define SHOW_sizerdev 'Z'
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void usage(const char *);
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void output(const struct stat *, const char *,
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const char *, int, int);
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int format1(const struct stat *, /* stat info */
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const char *, /* the file name */
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const char *, int, /* the format string itself */
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char *, size_t, /* a place to put the output */
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int, int, int, int, /* the parsed format */
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int, int);
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int hex2byte(const char [2]);
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#if HAVE_STRUCT_STAT_ST_FLAGS
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char *xfflagstostr(unsigned long);
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#endif
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static const char *timefmt;
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static int linkfail;
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#define addchar(s, c, nl) \
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do { \
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(void)fputc((c), (s)); \
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(*nl) = ((c) == '\n'); \
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} while (0/*CONSTCOND*/)
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int
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main(int argc, char *argv[])
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{
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struct stat st;
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int ch, rc, errs, am_readlink;
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int lsF, fmtchar, usestat, nfs_handle, fn, nonl, quiet;
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const char *statfmt, *options, *synopsis;
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char dname[sizeof _PATH_DEV + SPECNAMELEN] = _PATH_DEV;
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fhandle_t fhnd;
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const char *file;
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am_readlink = 0;
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lsF = 0;
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fmtchar = '\0';
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usestat = 0;
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nfs_handle = 0;
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nonl = 0;
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quiet = 0;
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linkfail = 0;
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statfmt = NULL;
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timefmt = NULL;
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if (strcmp(getprogname(), "readlink") == 0) {
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am_readlink = 1;
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options = "fn";
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synopsis = "[-fn] [file ...]";
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statfmt = "%Y";
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fmtchar = 'f';
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quiet = 1;
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} else {
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options = "f:FHlLnqrst:x";
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synopsis = "[-FLnq] [-f format | -l | -r | -s | -x] "
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"[-t timefmt] [file|handle ...]";
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}
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while ((ch = getopt(argc, argv, options)) != -1)
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switch (ch) {
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case 'F':
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lsF = 1;
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break;
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case 'H':
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nfs_handle = 1;
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break;
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case 'L':
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usestat = 1;
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break;
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case 'n':
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nonl = 1;
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break;
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case 'q':
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quiet = 1;
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break;
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case 'f':
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if (am_readlink) {
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statfmt = "%R";
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break;
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}
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statfmt = optarg;
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/* FALLTHROUGH */
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case 'l':
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case 'r':
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case 's':
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case 'x':
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if (fmtchar != 0)
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errx(1, "can't use format '%c' with '%c'",
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fmtchar, ch);
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fmtchar = ch;
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break;
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case 't':
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timefmt = optarg;
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break;
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default:
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usage(synopsis);
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}
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argc -= optind;
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argv += optind;
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fn = 1;
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if (fmtchar == '\0') {
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if (lsF)
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fmtchar = 'l';
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else {
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fmtchar = 'f';
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statfmt = DEF_FORMAT;
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}
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}
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if (lsF && fmtchar != 'l')
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errx(1, "can't use format '%c' with -F", fmtchar);
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switch (fmtchar) {
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case 'f':
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/* statfmt already set */
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break;
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case 'l':
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statfmt = lsF ? LSF_FORMAT : LS_FORMAT;
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break;
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case 'r':
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statfmt = RAW_FORMAT;
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break;
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case 's':
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statfmt = SHELL_FORMAT;
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break;
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case 'x':
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statfmt = LINUX_FORMAT;
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if (timefmt == NULL)
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timefmt = "%c";
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break;
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default:
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usage(synopsis);
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/*NOTREACHED*/
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}
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if (timefmt == NULL)
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timefmt = TIME_FORMAT;
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errs = 0;
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do {
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if (argc == 0) {
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if (fdevname_r(STDIN_FILENO, dname +
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sizeof _PATH_DEV - 1, SPECNAMELEN) != NULL)
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file = dname;
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else
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file = "(stdin)";
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rc = fstat(STDIN_FILENO, &st);
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} else {
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int j;
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file = argv[0];
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if (nfs_handle) {
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rc = 0;
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bzero(&fhnd, sizeof(fhnd));
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j = MIN(2 * sizeof(fhnd), strlen(file));
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if ((j & 1) != 0) {
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rc = -1;
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} else {
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while (j) {
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rc = hex2byte(&file[j - 2]);
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if (rc == -1)
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break;
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((char*) &fhnd)[j / 2 - 1] = rc;
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j -= 2;
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}
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}
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if (rc == -1)
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errno = EINVAL;
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else
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rc = fhstat(&fhnd, &st);
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} else if (usestat) {
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/*
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* Try stat() and if it fails, fall back to
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* lstat() just in case we're examining a
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* broken symlink.
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*/
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if ((rc = stat(file, &st)) == -1 &&
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errno == ENOENT &&
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(rc = lstat(file, &st)) == -1)
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errno = ENOENT;
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}
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else
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rc = lstat(file, &st);
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}
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if (rc == -1) {
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errs = 1;
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linkfail = 1;
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if (!quiet)
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warn("%s", file);
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}
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else
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output(&st, file, statfmt, fn, nonl);
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argv++;
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argc--;
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fn++;
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} while (argc > 0);
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return (am_readlink ? linkfail : errs);
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}
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#if HAVE_STRUCT_STAT_ST_FLAGS
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/*
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* fflagstostr() wrapper that leaks only once
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*/
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char *
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xfflagstostr(unsigned long fflags)
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{
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static char *str = NULL;
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if (str != NULL)
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free(str);
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str = fflagstostr(fflags);
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if (str == NULL)
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err(1, "fflagstostr");
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return (str);
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}
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#endif /* HAVE_STRUCT_STAT_ST_FLAGS */
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void
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usage(const char *synopsis)
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{
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(void)fprintf(stderr, "usage: %s %s\n", getprogname(), synopsis);
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exit(1);
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}
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/*
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* Parses a format string.
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*/
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void
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output(const struct stat *st, const char *file,
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const char *statfmt, int fn, int nonl)
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{
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int flags, size, prec, ofmt, hilo, what;
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char buf[PATH_MAX + 4 + 1];
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const char *subfmt;
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int nl, t, i;
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nl = 1;
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while (*statfmt != '\0') {
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|
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/*
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* Non-format characters go straight out.
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*/
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if (*statfmt != FMT_MAGIC) {
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addchar(stdout, *statfmt, &nl);
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statfmt++;
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continue;
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}
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|
|
/*
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* The current format "substring" starts here,
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* and then we skip the magic.
|
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*/
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subfmt = statfmt;
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statfmt++;
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|
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/*
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* Some simple one-character "formats".
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*/
|
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switch (*statfmt) {
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case SIMPLE_NEWLINE:
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addchar(stdout, '\n', &nl);
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statfmt++;
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continue;
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|
case SIMPLE_TAB:
|
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addchar(stdout, '\t', &nl);
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statfmt++;
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continue;
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|
case SIMPLE_PERCENT:
|
|
addchar(stdout, '%', &nl);
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statfmt++;
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continue;
|
|
case SIMPLE_NUMBER: {
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|
char num[12], *p;
|
|
|
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snprintf(num, sizeof(num), "%d", fn);
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for (p = &num[0]; *p; p++)
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addchar(stdout, *p, &nl);
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statfmt++;
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continue;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This must be an actual format string. Format strings are
|
|
* similar to printf(3) formats up to a point, and are of
|
|
* the form:
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|
*
|
|
* % required start of format
|
|
* [-# +0] opt. format characters
|
|
* size opt. field width
|
|
* . opt. decimal separator, followed by
|
|
* prec opt. precision
|
|
* fmt opt. output specifier (string, numeric, etc.)
|
|
* sub opt. sub field specifier (high, middle, low)
|
|
* datum required field specifier (size, mode, etc)
|
|
*
|
|
* Only the % and the datum selector are required. All data
|
|
* have reasonable default output forms. The "sub" specifier
|
|
* only applies to certain data (mode, dev, rdev, filetype).
|
|
* The symlink output defaults to STRING, yet will only emit
|
|
* the leading " -> " if STRING is explicitly specified. The
|
|
* sizerdev datum will generate rdev output for character or
|
|
* block devices, and size output for all others.
|
|
*/
|
|
flags = 0;
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do {
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if (*statfmt == FMT_POUND)
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flags |= FLAG_POUND;
|
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else if (*statfmt == FMT_SPACE)
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|
flags |= FLAG_SPACE;
|
|
else if (*statfmt == FMT_PLUS)
|
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flags |= FLAG_PLUS;
|
|
else if (*statfmt == FMT_ZERO)
|
|
flags |= FLAG_ZERO;
|
|
else if (*statfmt == FMT_MINUS)
|
|
flags |= FLAG_MINUS;
|
|
else
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break;
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|
statfmt++;
|
|
} while (1/*CONSTCOND*/);
|
|
|
|
size = -1;
|
|
if (isdigit((unsigned)*statfmt)) {
|
|
size = 0;
|
|
while (isdigit((unsigned)*statfmt)) {
|
|
size = (size * 10) + (*statfmt - '0');
|
|
statfmt++;
|
|
if (size < 0)
|
|
goto badfmt;
|
|
}
|
|
}
|
|
|
|
prec = -1;
|
|
if (*statfmt == FMT_DOT) {
|
|
statfmt++;
|
|
|
|
prec = 0;
|
|
while (isdigit((unsigned)*statfmt)) {
|
|
prec = (prec * 10) + (*statfmt - '0');
|
|
statfmt++;
|
|
if (prec < 0)
|
|
goto badfmt;
|
|
}
|
|
}
|
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|
|
#define fmtcase(x, y) case (y): (x) = (y); statfmt++; break
|
|
#define fmtcasef(x, y, z) case (y): (x) = (z); statfmt++; break
|
|
switch (*statfmt) {
|
|
fmtcasef(ofmt, FMT_DECIMAL, FMTF_DECIMAL);
|
|
fmtcasef(ofmt, FMT_OCTAL, FMTF_OCTAL);
|
|
fmtcasef(ofmt, FMT_UNSIGNED, FMTF_UNSIGNED);
|
|
fmtcasef(ofmt, FMT_HEX, FMTF_HEX);
|
|
fmtcasef(ofmt, FMT_FLOAT, FMTF_FLOAT);
|
|
fmtcasef(ofmt, FMT_STRING, FMTF_STRING);
|
|
default:
|
|
ofmt = 0;
|
|
break;
|
|
}
|
|
|
|
switch (*statfmt) {
|
|
fmtcase(hilo, HIGH_PIECE);
|
|
fmtcase(hilo, MIDDLE_PIECE);
|
|
fmtcase(hilo, LOW_PIECE);
|
|
default:
|
|
hilo = 0;
|
|
break;
|
|
}
|
|
|
|
switch (*statfmt) {
|
|
fmtcase(what, SHOW_realpath);
|
|
fmtcase(what, SHOW_st_dev);
|
|
fmtcase(what, SHOW_st_ino);
|
|
fmtcase(what, SHOW_st_mode);
|
|
fmtcase(what, SHOW_st_nlink);
|
|
fmtcase(what, SHOW_st_uid);
|
|
fmtcase(what, SHOW_st_gid);
|
|
fmtcase(what, SHOW_st_rdev);
|
|
fmtcase(what, SHOW_st_atime);
|
|
fmtcase(what, SHOW_st_mtime);
|
|
fmtcase(what, SHOW_st_ctime);
|
|
fmtcase(what, SHOW_st_btime);
|
|
fmtcase(what, SHOW_st_size);
|
|
fmtcase(what, SHOW_st_blocks);
|
|
fmtcase(what, SHOW_st_blksize);
|
|
fmtcase(what, SHOW_st_flags);
|
|
fmtcase(what, SHOW_st_gen);
|
|
fmtcase(what, SHOW_symlink);
|
|
fmtcase(what, SHOW_filetype);
|
|
fmtcase(what, SHOW_filename);
|
|
fmtcase(what, SHOW_sizerdev);
|
|
default:
|
|
goto badfmt;
|
|
}
|
|
#undef fmtcasef
|
|
#undef fmtcase
|
|
|
|
t = format1(st,
|
|
file,
|
|
subfmt, statfmt - subfmt,
|
|
buf, sizeof(buf),
|
|
flags, size, prec, ofmt, hilo, what);
|
|
|
|
for (i = 0; i < t && i < (int)(sizeof(buf) - 1); i++)
|
|
addchar(stdout, buf[i], &nl);
|
|
|
|
continue;
|
|
|
|
badfmt:
|
|
errx(1, "%.*s: bad format",
|
|
(int)(statfmt - subfmt + 1), subfmt);
|
|
}
|
|
|
|
if (!nl && !nonl)
|
|
(void)fputc('\n', stdout);
|
|
(void)fflush(stdout);
|
|
}
|
|
|
|
/*
|
|
* Arranges output according to a single parsed format substring.
|
|
*/
|
|
int
|
|
format1(const struct stat *st,
|
|
const char *file,
|
|
const char *fmt, int flen,
|
|
char *buf, size_t blen,
|
|
int flags, int size, int prec, int ofmt,
|
|
int hilo, int what)
|
|
{
|
|
u_int64_t data;
|
|
char *stmp, lfmt[24], tmp[20];
|
|
const char *sdata;
|
|
char smode[12], sid[12], path[PATH_MAX + 4];
|
|
const struct timespec *tsp;
|
|
struct timespec ts;
|
|
struct tm *tm;
|
|
int l, small, formats;
|
|
|
|
tsp = NULL;
|
|
formats = 0;
|
|
small = 0;
|
|
|
|
/*
|
|
* First, pick out the data and tweak it based on hilo or
|
|
* specified output format (symlink output only).
|
|
*/
|
|
switch (what) {
|
|
case SHOW_st_dev:
|
|
case SHOW_st_rdev:
|
|
small = (sizeof(st->st_dev) == 4);
|
|
data = (what == SHOW_st_dev) ? st->st_dev : st->st_rdev;
|
|
#if HAVE_DEVNAME
|
|
sdata = devname(what == SHOW_st_dev ? st->st_dev :
|
|
st->st_rdev, S_ISCHR(st->st_mode) ? S_IFCHR :
|
|
(S_ISBLK(st->st_mode) ? S_IFBLK : 0));
|
|
#endif /* HAVE_DEVNAME */
|
|
if (hilo == HIGH_PIECE) {
|
|
data = major(data);
|
|
hilo = 0;
|
|
}
|
|
else if (hilo == LOW_PIECE) {
|
|
data = minor((unsigned)data);
|
|
hilo = 0;
|
|
}
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX |
|
|
#if HAVE_DEVNAME
|
|
FMTF_STRING;
|
|
#else /* HAVE_DEVNAME */
|
|
0;
|
|
#endif /* HAVE_DEVNAME */
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_ino:
|
|
small = (sizeof(st->st_ino) == 4);
|
|
data = st->st_ino;
|
|
sdata = NULL;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_mode:
|
|
small = (sizeof(st->st_mode) == 4);
|
|
data = st->st_mode;
|
|
strmode(st->st_mode, smode);
|
|
stmp = smode;
|
|
l = strlen(stmp);
|
|
if (stmp[l - 1] == ' ')
|
|
stmp[--l] = '\0';
|
|
if (hilo == HIGH_PIECE) {
|
|
data >>= 12;
|
|
stmp += 1;
|
|
stmp[3] = '\0';
|
|
hilo = 0;
|
|
}
|
|
else if (hilo == MIDDLE_PIECE) {
|
|
data = (data >> 9) & 07;
|
|
stmp += 4;
|
|
stmp[3] = '\0';
|
|
hilo = 0;
|
|
}
|
|
else if (hilo == LOW_PIECE) {
|
|
data &= 0777;
|
|
stmp += 7;
|
|
stmp[3] = '\0';
|
|
hilo = 0;
|
|
}
|
|
sdata = stmp;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX |
|
|
FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_OCTAL;
|
|
break;
|
|
case SHOW_st_nlink:
|
|
small = (sizeof(st->st_dev) == 4);
|
|
data = st->st_nlink;
|
|
sdata = NULL;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_uid:
|
|
small = (sizeof(st->st_uid) == 4);
|
|
data = st->st_uid;
|
|
sdata = user_from_uid(st->st_uid, 1);
|
|
if (sdata == NULL) {
|
|
snprintf(sid, sizeof(sid), "(%ld)", (long)st->st_uid);
|
|
sdata = sid;
|
|
}
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX |
|
|
FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_gid:
|
|
small = (sizeof(st->st_gid) == 4);
|
|
data = st->st_gid;
|
|
sdata = group_from_gid(st->st_gid, 1);
|
|
if (sdata == NULL) {
|
|
snprintf(sid, sizeof(sid), "(%ld)", (long)st->st_gid);
|
|
sdata = sid;
|
|
}
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX |
|
|
FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_atime:
|
|
tsp = &st->st_atimespec;
|
|
/* FALLTHROUGH */
|
|
case SHOW_st_mtime:
|
|
if (tsp == NULL)
|
|
tsp = &st->st_mtimespec;
|
|
/* FALLTHROUGH */
|
|
case SHOW_st_ctime:
|
|
if (tsp == NULL)
|
|
tsp = &st->st_ctimespec;
|
|
/* FALLTHROUGH */
|
|
#if HAVE_STRUCT_STAT_ST_BIRTHTIME
|
|
case SHOW_st_btime:
|
|
if (tsp == NULL)
|
|
tsp = &st->st_birthtimespec;
|
|
#endif /* HAVE_STRUCT_STAT_ST_BIRTHTIME */
|
|
ts = *tsp; /* copy so we can muck with it */
|
|
small = (sizeof(ts.tv_sec) == 4);
|
|
data = ts.tv_sec;
|
|
tm = localtime(&ts.tv_sec);
|
|
if (tm == NULL) {
|
|
ts.tv_sec = 0;
|
|
tm = localtime(&ts.tv_sec);
|
|
}
|
|
(void)setlocale(LC_TIME, "");
|
|
(void)strftime(path, sizeof(path), timefmt, tm);
|
|
sdata = path;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX |
|
|
FMTF_FLOAT | FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_DECIMAL;
|
|
break;
|
|
case SHOW_st_size:
|
|
small = (sizeof(st->st_size) == 4);
|
|
data = st->st_size;
|
|
sdata = NULL;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_blocks:
|
|
small = (sizeof(st->st_blocks) == 4);
|
|
data = st->st_blocks;
|
|
sdata = NULL;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
case SHOW_st_blksize:
|
|
small = (sizeof(st->st_blksize) == 4);
|
|
data = st->st_blksize;
|
|
sdata = NULL;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
#if HAVE_STRUCT_STAT_ST_FLAGS
|
|
case SHOW_st_flags:
|
|
small = (sizeof(st->st_flags) == 4);
|
|
data = st->st_flags;
|
|
sdata = xfflagstostr(st->st_flags);
|
|
if (*sdata == '\0')
|
|
sdata = "-";
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX |
|
|
FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
#endif /* HAVE_STRUCT_STAT_ST_FLAGS */
|
|
#if HAVE_STRUCT_STAT_ST_GEN
|
|
case SHOW_st_gen:
|
|
small = (sizeof(st->st_gen) == 4);
|
|
data = st->st_gen;
|
|
sdata = NULL;
|
|
formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_UNSIGNED;
|
|
break;
|
|
#endif /* HAVE_STRUCT_STAT_ST_GEN */
|
|
case SHOW_realpath:
|
|
small = 0;
|
|
data = 0;
|
|
if (file == NULL) {
|
|
(void)strlcpy(path, "(stdin)", sizeof(path));
|
|
sdata = path;
|
|
} else {
|
|
snprintf(path, sizeof(path), " -> ");
|
|
if (realpath(file, path + 4) == NULL) {
|
|
linkfail = 1;
|
|
l = 0;
|
|
path[0] = '\0';
|
|
}
|
|
sdata = path + (ofmt == FMTF_STRING ? 0 : 4);
|
|
}
|
|
|
|
formats = FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_STRING;
|
|
break;
|
|
case SHOW_symlink:
|
|
small = 0;
|
|
data = 0;
|
|
if (S_ISLNK(st->st_mode)) {
|
|
snprintf(path, sizeof(path), " -> ");
|
|
l = readlink(file, path + 4, sizeof(path) - 4 - 1);
|
|
if (l == -1) {
|
|
linkfail = 1;
|
|
l = 0;
|
|
path[0] = '\0';
|
|
}
|
|
path[l + 4] = '\0';
|
|
sdata = path + (ofmt == FMTF_STRING ? 0 : 4);
|
|
}
|
|
else {
|
|
linkfail = 1;
|
|
sdata = "";
|
|
}
|
|
formats = FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_STRING;
|
|
break;
|
|
case SHOW_filetype:
|
|
small = 0;
|
|
data = 0;
|
|
sdata = "";
|
|
if (hilo == 0 || hilo == LOW_PIECE) {
|
|
switch (st->st_mode & S_IFMT) {
|
|
case S_IFIFO: sdata = "|"; break;
|
|
case S_IFDIR: sdata = "/"; break;
|
|
case S_IFREG:
|
|
if (st->st_mode &
|
|
(S_IXUSR | S_IXGRP | S_IXOTH))
|
|
sdata = "*";
|
|
break;
|
|
case S_IFLNK: sdata = "@"; break;
|
|
case S_IFSOCK: sdata = "="; break;
|
|
#ifdef S_IFWHT
|
|
case S_IFWHT: sdata = "%"; break;
|
|
#endif /* S_IFWHT */
|
|
#ifdef S_IFDOOR
|
|
case S_IFDOOR: sdata = ">"; break;
|
|
#endif /* S_IFDOOR */
|
|
}
|
|
hilo = 0;
|
|
}
|
|
else if (hilo == HIGH_PIECE) {
|
|
switch (st->st_mode & S_IFMT) {
|
|
case S_IFIFO: sdata = "Fifo File"; break;
|
|
case S_IFCHR: sdata = "Character Device"; break;
|
|
case S_IFDIR: sdata = "Directory"; break;
|
|
case S_IFBLK: sdata = "Block Device"; break;
|
|
case S_IFREG: sdata = "Regular File"; break;
|
|
case S_IFLNK: sdata = "Symbolic Link"; break;
|
|
case S_IFSOCK: sdata = "Socket"; break;
|
|
#ifdef S_IFWHT
|
|
case S_IFWHT: sdata = "Whiteout File"; break;
|
|
#endif /* S_IFWHT */
|
|
#ifdef S_IFDOOR
|
|
case S_IFDOOR: sdata = "Door"; break;
|
|
#endif /* S_IFDOOR */
|
|
default: sdata = "???"; break;
|
|
}
|
|
hilo = 0;
|
|
}
|
|
formats = FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_STRING;
|
|
break;
|
|
case SHOW_filename:
|
|
small = 0;
|
|
data = 0;
|
|
(void)strlcpy(path, file, sizeof(path));
|
|
sdata = path;
|
|
formats = FMTF_STRING;
|
|
if (ofmt == 0)
|
|
ofmt = FMTF_STRING;
|
|
break;
|
|
case SHOW_sizerdev:
|
|
if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
|
|
char majdev[20], mindev[20];
|
|
int l1, l2;
|
|
|
|
l1 = format1(st,
|
|
file,
|
|
fmt, flen,
|
|
majdev, sizeof(majdev),
|
|
flags, size, prec,
|
|
ofmt, HIGH_PIECE, SHOW_st_rdev);
|
|
l2 = format1(st,
|
|
file,
|
|
fmt, flen,
|
|
mindev, sizeof(mindev),
|
|
flags, size, prec,
|
|
ofmt, LOW_PIECE, SHOW_st_rdev);
|
|
return (snprintf(buf, blen, "%.*s,%.*s",
|
|
l1, majdev, l2, mindev));
|
|
}
|
|
else {
|
|
return (format1(st,
|
|
file,
|
|
fmt, flen,
|
|
buf, blen,
|
|
flags, size, prec,
|
|
ofmt, 0, SHOW_st_size));
|
|
}
|
|
/*NOTREACHED*/
|
|
default:
|
|
errx(1, "%.*s: bad format", (int)flen, fmt);
|
|
}
|
|
|
|
/*
|
|
* If a subdatum was specified but not supported, or an output
|
|
* format was selected that is not supported, that's an error.
|
|
*/
|
|
if (hilo != 0 || (ofmt & formats) == 0)
|
|
errx(1, "%.*s: bad format", (int)flen, fmt);
|
|
|
|
/*
|
|
* Assemble the format string for passing to printf(3).
|
|
*/
|
|
lfmt[0] = '\0';
|
|
(void)strcat(lfmt, "%");
|
|
if (flags & FLAG_POUND)
|
|
(void)strcat(lfmt, "#");
|
|
if (flags & FLAG_SPACE)
|
|
(void)strcat(lfmt, " ");
|
|
if (flags & FLAG_PLUS)
|
|
(void)strcat(lfmt, "+");
|
|
if (flags & FLAG_MINUS)
|
|
(void)strcat(lfmt, "-");
|
|
if (flags & FLAG_ZERO)
|
|
(void)strcat(lfmt, "0");
|
|
|
|
/*
|
|
* Only the timespecs support the FLOAT output format, and that
|
|
* requires work that differs from the other formats.
|
|
*/
|
|
if (ofmt == FMTF_FLOAT) {
|
|
/*
|
|
* Nothing after the decimal point, so just print seconds.
|
|
*/
|
|
if (prec == 0) {
|
|
if (size != -1) {
|
|
(void)snprintf(tmp, sizeof(tmp), "%d", size);
|
|
(void)strcat(lfmt, tmp);
|
|
}
|
|
(void)strcat(lfmt, "lld");
|
|
return (snprintf(buf, blen, lfmt,
|
|
(long long)ts.tv_sec));
|
|
}
|
|
|
|
/*
|
|
* Unspecified precision gets all the precision we have:
|
|
* 9 digits.
|
|
*/
|
|
if (prec == -1)
|
|
prec = 9;
|
|
|
|
/*
|
|
* Adjust the size for the decimal point and the digits
|
|
* that will follow.
|
|
*/
|
|
size -= prec + 1;
|
|
|
|
/*
|
|
* Any leftover size that's legitimate will be used.
|
|
*/
|
|
if (size > 0) {
|
|
(void)snprintf(tmp, sizeof(tmp), "%d", size);
|
|
(void)strcat(lfmt, tmp);
|
|
}
|
|
/* Seconds: time_t cast to long long. */
|
|
(void)strcat(lfmt, "lld");
|
|
|
|
/*
|
|
* The stuff after the decimal point always needs zero
|
|
* filling.
|
|
*/
|
|
(void)strcat(lfmt, ".%0");
|
|
|
|
/*
|
|
* We can "print" at most nine digits of precision. The
|
|
* rest we will pad on at the end.
|
|
*
|
|
* Nanoseconds: long.
|
|
*/
|
|
(void)snprintf(tmp, sizeof(tmp), "%dld", MIN(prec, 9));
|
|
(void)strcat(lfmt, tmp);
|
|
|
|
/*
|
|
* For precision of less that nine digits, trim off the
|
|
* less significant figures.
|
|
*/
|
|
for (; prec < 9; prec++)
|
|
ts.tv_nsec /= 10;
|
|
|
|
/*
|
|
* Use the format, and then tack on any zeroes that
|
|
* might be required to make up the requested precision.
|
|
*/
|
|
l = snprintf(buf, blen, lfmt, (long long)ts.tv_sec, ts.tv_nsec);
|
|
for (; prec > 9 && l < (int)blen; prec--, l++)
|
|
(void)strcat(buf, "0");
|
|
return (l);
|
|
}
|
|
|
|
/*
|
|
* Add on size and precision, if specified, to the format.
|
|
*/
|
|
if (size != -1) {
|
|
(void)snprintf(tmp, sizeof(tmp), "%d", size);
|
|
(void)strcat(lfmt, tmp);
|
|
}
|
|
if (prec != -1) {
|
|
(void)snprintf(tmp, sizeof(tmp), ".%d", prec);
|
|
(void)strcat(lfmt, tmp);
|
|
}
|
|
|
|
/*
|
|
* String output uses the temporary sdata.
|
|
*/
|
|
if (ofmt == FMTF_STRING) {
|
|
if (sdata == NULL)
|
|
errx(1, "%.*s: bad format", (int)flen, fmt);
|
|
(void)strcat(lfmt, "s");
|
|
return (snprintf(buf, blen, lfmt, sdata));
|
|
}
|
|
|
|
/*
|
|
* Ensure that sign extension does not cause bad looking output
|
|
* for some forms.
|
|
*/
|
|
if (small && ofmt != FMTF_DECIMAL)
|
|
data = (u_int32_t)data;
|
|
|
|
/*
|
|
* The four "numeric" output forms.
|
|
*/
|
|
(void)strcat(lfmt, "ll");
|
|
switch (ofmt) {
|
|
case FMTF_DECIMAL: (void)strcat(lfmt, "d"); break;
|
|
case FMTF_OCTAL: (void)strcat(lfmt, "o"); break;
|
|
case FMTF_UNSIGNED: (void)strcat(lfmt, "u"); break;
|
|
case FMTF_HEX: (void)strcat(lfmt, "x"); break;
|
|
}
|
|
|
|
return (snprintf(buf, blen, lfmt, data));
|
|
}
|
|
|
|
|
|
#define hex2nibble(c) (c <= '9' ? c - '0' : toupper(c) - 'A' + 10)
|
|
int
|
|
hex2byte(const char c[2]) {
|
|
if (!(ishexnumber(c[0]) && ishexnumber(c[1])))
|
|
return -1;
|
|
return (hex2nibble(c[0]) << 4) + hex2nibble(c[1]);
|
|
}
|