diff options
Diffstat (limited to 'file_cmds/ls')
| -rw-r--r-- | file_cmds/ls/cmp.c | 226 | ||||
| -rw-r--r-- | file_cmds/ls/extern.h | 73 | ||||
| -rw-r--r-- | file_cmds/ls/ls.1 | 715 | ||||
| -rw-r--r-- | file_cmds/ls/ls.c | 977 | ||||
| -rw-r--r-- | file_cmds/ls/ls.h | 108 | ||||
| -rw-r--r-- | file_cmds/ls/print.c | 837 | ||||
| -rw-r--r-- | file_cmds/ls/util.c | 231 |
7 files changed, 3167 insertions, 0 deletions
diff --git a/file_cmds/ls/cmp.c b/file_cmds/ls/cmp.c new file mode 100644 index 0000000..2ad5edd --- /dev/null +++ b/file_cmds/ls/cmp.c @@ -0,0 +1,226 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Fischbein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)cmp.c 8.1 (Berkeley) 5/31/93"; +#endif /* not lint */ +#endif +#include <sys/cdefs.h> +__RCSID("$FreeBSD: src/bin/ls/cmp.c,v 1.12 2002/06/30 05:13:54 obrien Exp $"); + + +#include <sys/types.h> +#include <sys/stat.h> + +#include <fts.h> +#include <string.h> + +#include "ls.h" +#include "extern.h" + +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \ + defined(_XOPEN_SOURCE) || defined(__NetBSD__) +#define ATIMENSEC_CMP(x, op, y) ((x)->st_atimensec op (y)->st_atimensec) +#define CTIMENSEC_CMP(x, op, y) ((x)->st_ctimensec op (y)->st_ctimensec) +#define MTIMENSEC_CMP(x, op, y) ((x)->st_mtimensec op (y)->st_mtimensec) +#define BTIMENSEC_CMP(x, op, y) ((x)->st_birthtimensec op (y)->st_birthtimensec) +#else +#define ATIMENSEC_CMP(x, op, y) \ + ((x)->st_atimespec.tv_nsec op (y)->st_atimespec.tv_nsec) +#define CTIMENSEC_CMP(x, op, y) \ + ((x)->st_ctimespec.tv_nsec op (y)->st_ctimespec.tv_nsec) +#define MTIMENSEC_CMP(x, op, y) \ + ((x)->st_mtimespec.tv_nsec op (y)->st_mtimespec.tv_nsec) +#define BTIMENSEC_CMP(x, op, y) \ + ((x)->st_birthtimespec.tv_nsec op (y)->st_birthtimespec.tv_nsec) +#endif + +int +namecmp(const FTSENT *a, const FTSENT *b) +{ + return (strcoll(a->fts_name, b->fts_name)); +} + +int +revnamecmp(const FTSENT *a, const FTSENT *b) +{ + return (strcoll(b->fts_name, a->fts_name)); +} + +int +modcmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_mtime > a->fts_statp->st_mtime) + return (1); + else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime) + return (-1); + else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (1); + else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (-1); + else + return (namecmp(a, b)); +} + +int +revmodcmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_mtime > a->fts_statp->st_mtime) + return (-1); + else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime) + return (1); + else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (-1); + else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (1); + else + return (revnamecmp(a, b)); +} + +int +acccmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_atime > a->fts_statp->st_atime) + return (1); + else if (b->fts_statp->st_atime < a->fts_statp->st_atime) + return (-1); + else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (1); + else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (-1); + else + return (namecmp(a, b)); +} + +int +revacccmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_atime > a->fts_statp->st_atime) + return (-1); + else if (b->fts_statp->st_atime < a->fts_statp->st_atime) + return (1); + else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (-1); + else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (1); + else + return (revnamecmp(a, b)); +} + +int +statcmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_ctime > a->fts_statp->st_ctime) + return (1); + else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime) + return (-1); + else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (1); + else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (-1); + else + return (namecmp(a, b)); +} + +int +revstatcmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_ctime > a->fts_statp->st_ctime) + return (-1); + else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime) + return (1); + else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (-1); + else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (1); + else + return (revnamecmp(a, b)); +} + +int +sizecmp(a, b) + const FTSENT *a, *b; +{ + if (b->fts_statp->st_size > a->fts_statp->st_size) + return (1); + if (b->fts_statp->st_size < a->fts_statp->st_size) + return (-1); + else + return (namecmp(a, b)); +} + +int +revsizecmp(a, b) + const FTSENT *a, *b; +{ + if (b->fts_statp->st_size > a->fts_statp->st_size) + return (-1); + if (b->fts_statp->st_size < a->fts_statp->st_size) + return (1); + else + return (revnamecmp(a, b)); +} + +int +birthcmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_birthtime > a->fts_statp->st_birthtime) + return (1); + else if (b->fts_statp->st_birthtime < a->fts_statp->st_birthtime) + return (-1); + else if (BTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (1); + else if (BTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (-1); + else + return (namecmp(a, b)); +} + +int +revbirthcmp(const FTSENT *a, const FTSENT *b) +{ + if (b->fts_statp->st_birthtime > a->fts_statp->st_birthtime) + return (-1); + else if (b->fts_statp->st_birthtime < a->fts_statp->st_birthtime) + return (1); + else if (BTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) + return (-1); + else if (BTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) + return (1); + else + return (revnamecmp(a, b)); +} diff --git a/file_cmds/ls/extern.h b/file_cmds/ls/extern.h new file mode 100644 index 0000000..a33bd97 --- /dev/null +++ b/file_cmds/ls/extern.h @@ -0,0 +1,73 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)extern.h 8.1 (Berkeley) 5/31/93 + * $FreeBSD: src/bin/ls/extern.h,v 1.19 2002/05/19 02:51:36 tjr Exp $ + */ + +#ifndef _LS_EXTERN_H_ +#define _LS_EXTERN_H_ + +int acccmp(const FTSENT *, const FTSENT *); +int revacccmp(const FTSENT *, const FTSENT *); +int modcmp(const FTSENT *, const FTSENT *); +int revmodcmp(const FTSENT *, const FTSENT *); +int namecmp(const FTSENT *, const FTSENT *); +int revnamecmp(const FTSENT *, const FTSENT *); +int statcmp(const FTSENT *, const FTSENT *); +int revstatcmp(const FTSENT *, const FTSENT *); +int sizecmp (const FTSENT *, const FTSENT *); +int revsizecmp (const FTSENT *, const FTSENT *); +int birthcmp(const FTSENT *, const FTSENT *); +int revbirthcmp(const FTSENT *, const FTSENT *); + +void printcol(DISPLAY *); +void printlong(DISPLAY *); +void printscol(DISPLAY *); +void printstream(DISPLAY *); +void usage(void); +int prn_normal(const char *); +size_t len_octal(const char *, int); +int prn_octal(const char *); +int prn_printable(const char *); +#ifdef COLORLS +void parsecolors(const char *cs); +void colorquit(int); + +extern char *ansi_fgcol; +extern char *ansi_bgcol; +extern char *ansi_coloff; +extern char *attrs_off; +extern char *enter_bold; +#endif + +#endif /* _LS_EXTERN_H_ */ diff --git a/file_cmds/ls/ls.1 b/file_cmds/ls/ls.1 new file mode 100644 index 0000000..b75c1ae --- /dev/null +++ b/file_cmds/ls/ls.1 @@ -0,0 +1,715 @@ +.\" Copyright (c) 1980, 1990, 1991, 1993, 1994 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgment: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)ls.1 8.7 (Berkeley) 7/29/94 +.\" $FreeBSD: src/bin/ls/ls.1,v 1.69 2002/08/21 17:32:34 trhodes Exp $ +.\" +.Dd May 19, 2002 +.Dt LS 1 +.Os +.Sh NAME +.Nm ls +.Nd list directory contents +.Sh SYNOPSIS +.Nm ls +.Op Fl ABCFGHLOPRSTUW@abcdefghiklmnopqrstuwx1% +.Op Ar +.Sh DESCRIPTION +For each operand that names a +.Ar file +of a type other than +directory, +.Nm ls +displays its name as well as any requested, +associated information. +For each operand that names a +.Ar file +of type directory, +.Nm ls +displays the names of files contained +within that directory, as well as any requested, associated +information. +.Pp +If no operands are given, the contents of the current +directory are displayed. +If more than one operand is given, +non-directory operands are displayed first; directory +and non-directory operands are sorted separately and in +lexicographical order. +.Pp +The following options are available: +.Bl -tag -width indent +.It Fl @ +Display extended attribute keys and sizes in long +.Pq Fl l +output. +.It Fl 1 +(The numeric digit +.Dq one . ) +Force output to be +one entry per line. +This is the default when +output is not to a terminal. +.It Fl A +List all entries except for +.Pa \&. +and +.Pa .. . +Always set for the super-user. +.It Fl a +Include directory entries whose names begin with a +dot +.Pq Pa \&. . +.It Fl B +Force printing of non-printable characters (as defined by +.Xr ctype 3 +and current locale settings) in file names as +.Li \e Ns Va xxx , +where +.Va xxx +is the numeric value of the character in octal. +.It Fl b +As +.Fl B , +but use +.Tn C +escape codes whenever possible. +.It Fl C +Force multi-column output; this is the default when output is to a terminal. +.It Fl c +Use time when file status was last changed for sorting +.Pq Fl t +or long printing +.Pq Fl l . +.It Fl d +Directories are listed as plain files (not searched recursively). +.It Fl e +Print the Access Control List (ACL) associated with the file, if present, in long +.Pq Fl l +output. +.It Fl F +Display a slash +.Pq Ql / +immediately after each pathname that is a directory, +an asterisk +.Pq Ql * +after each that is executable, +an at sign +.Pq Ql @ +after each symbolic link, +an equals sign +.Pq Ql = +after each socket, +a percent sign +.Pq Ql % +after each whiteout, +and a vertical bar +.Pq Ql \&| +after each that is a +.Tn FIFO . +.It Fl f +Output is not sorted. +This option turns on the +.Fl a +option. +.It Fl G +Enable colorized output. +This option is equivalent to defining +.Ev CLICOLOR +in the environment. +(See below.) +.It Fl g +This option is only available for compatibility with POSIX; +it is used to display the group name in the long +.Pq Fl l +format output (the owner name is suppressed). +.It Fl H +Symbolic links on the command line are followed. +This option is assumed if +none of the +.Fl F , d , +or +.Fl l +options are specified. +.It Fl h +When used with the +.Fl l +option, use unit suffixes: Byte, Kilobyte, Megabyte, Gigabyte, Terabyte +and Petabyte in order to reduce the number of digits to three or less +using base 2 for sizes. +.It Fl i +For each file, print the file's file serial number (inode number). +.It Fl k +If the +.Fl s +option is specified, print the file size allocation in kilobytes, +not blocks. +This option overrides the environment variable +.Ev BLOCKSIZE . +.It Fl L +Follow all symbolic links to final target and list the file or directory the link references +rather than the link itself. +This option cancels the +.Fl P +option. +.It Fl l +(The lowercase letter +.Dq ell . ) +List in long format. +(See below.) +A total sum for all the file +sizes is output on a line before the long listing. +.It Fl m +Stream output format; list files across the page, separated by commas. +.It Fl n +Display user and group IDs numerically, +rather than converting to a user or group name in a long +.Pq Fl l +output. +This option turns on the +.Fl l +option. +.It Fl O +Include the file flags in a long +.Pq Fl l +output. +.It Fl o +List in long format, but omit the group id. +.It Fl P +If argument is a symbolic link, list the link itself rather than the +object the link references. +This option cancels the +.Fl H +and +.Fl L +options. +.It Fl p +Write a slash +.Pq Ql / +after each filename if that file is a directory. +.It Fl q +Force printing of non-graphic characters in file names as +the character +.Ql \&? ; +this is the default when output is to a terminal. +.It Fl R +Recursively list subdirectories encountered. +.It Fl r +Reverse the order of the sort to get reverse +lexicographical order or the oldest entries first (or largest files +last, if combined with sort by size +.It Fl S +Sort files by size +.It Fl s +Display the number of file system blocks actually used by each file, in units +of 512 bytes, where partial units are rounded up to the next integer value. +If the output is to a terminal, a total sum for all the file +sizes is output on a line before the listing. +The environment variable +.Ev BLOCKSIZE +overrides the unit size of 512 bytes. +.It Fl T +When used with the +.Fl l +(lowercase letter +.Dq ell ) +option, display complete time information for the file, including +month, day, hour, minute, second, and year. +.It Fl t +Sort by time modified (most recently modified +first) before sorting the operands by lexicographical +order. +.It Fl u +Use time of last access, +instead of last modification +of the file for sorting +.Pq Fl t +or long printing +.Pq Fl l . +.It Fl U +Use time of file creation, instead of last modification for sorting +.Pq Fl t +or long output +.Pq Fl l . +.It Fl v +Force unedited printing of non-graphic characters; this is the default when +output is not to a terminal. +.It Fl W +Display whiteouts when scanning directories. +.Pq Fl S +flag). +.It Fl w +Force raw printing of non-printable characters. +This is the default +when output is not to a terminal. +.It Fl x +The same as +.Fl C , +except that the multi-column output is produced with entries sorted +across, rather than down, the columns. +.It Fl % +Distinguish dataless files and directories with a '%' character in long +.Pq Fl l +output, and don't materialize dataless directories when listing them. +.El +.Pp +The +.Fl 1 , C , x , +and +.Fl l +options all override each other; +the last one specified determines the format used. +.Pp +The +.Fl c +and +.Fl u +options override each other; the last one specified determines +the file time used. +.Pp +The +.Fl B , b , w , +and +.Fl q +options all override each other; +the last one specified determines the format used +for non-printable characters. +.Pp +The +.Fl H , L +and +.Fl P +options all override each other (either partially or fully); they +are applied in the order specified. +.Pp +By default, +.Nm ls +lists one entry per line to standard +output; the exceptions are to terminals or when the +.Fl C +or +.Fl x +options are specified. +.Pp +File information is displayed with one or more +.Ao blank Ac Ns s +separating the information associated with the +.Fl i , s , +and +.Fl l +options. +.Ss The Long Format +If the +.Fl l +option is given, the following information +is displayed for each file: +file mode, +number of links, owner name, group name, +number of bytes in the file, abbreviated +month, day-of-month file was last modified, +hour file last modified, minute file last +modified, and the pathname. +In addition, for each directory whose contents are displayed, +the total number of 512-byte blocks used by the files in the directory +is displayed on a line by itself, +immediately before the information for the files in the directory. +If the file or directory has extended attributes, +the permissions field printed by the +.Fl l +option is followed by a '@' character. +Otherwise, if the file or directory has extended security information +(such as an access control list), +the permissions field printed by the +.Fl l +option is followed by a '+' character. +If the +.Fl % +option is given, a '%' character follows the permissions field +for dataless files and directories, +possibly replacing the '@' or '+' character. +.Pp +If the modification time of the file +is more than 6 months in the past or future, +then the year of the last modification +is displayed in place of the hour and minute fields. +.Pp +If the owner or group names are not a known user or group name, +or the +.Fl n +option is given, +the numeric ID's are displayed. +.Pp +If the file is a character special or block special file, +the major and minor device numbers for the file are displayed +in the size field. +If the file is a symbolic link, +the pathname of the linked-to file is preceded by +.Dq Li -> . +.Pp +The file mode printed under the +.Fl l +option consists of the +entry type, owner permissions, and group permissions. +The entry type character describes the type of file, +as follows: +.Pp +.Bl -tag -width 4n -offset indent -compact +.It Sy b +Block special file. +.It Sy c +Character special file. +.It Sy d +Directory. +.It Sy l +Symbolic link. +.It Sy s +Socket link. +.It Sy p +.Tn FIFO . +.It Sy \- +Regular file. +.El +.Pp +The next three fields +are three characters each: +owner permissions, +group permissions, and +other permissions. +Each field has three character positions: +.Bl -enum -offset indent +.It +If +.Sy r , +the file is readable; if +.Sy \- , +it is not readable. +.It +If +.Sy w , +the file is writable; if +.Sy \- , +it is not writable. +.It +The first of the following that applies: +.Bl -tag -width 4n -offset indent +.It Sy S +If in the owner permissions, the file is not executable and +set-user-ID mode is set. +If in the group permissions, the file is not executable +and set-group-ID mode is set. +.It Sy s +If in the owner permissions, the file is executable +and set-user-ID mode is set. +If in the group permissions, the file is executable +and setgroup-ID mode is set. +.It Sy x +The file is executable or the directory is +searchable. +.It Sy \- +The file is neither readable, writable, executable, +nor set-user-ID nor set-group-ID mode, nor sticky. +(See below.) +.El +.Pp +These next two apply only to the third character in the last group +(other permissions). +.Bl -tag -width 4n -offset indent +.It Sy T +The sticky bit is set +(mode +.Li 1000 ) , +but not execute or search permission. +(See +.Xr chmod 1 +or +.Xr sticky 8 . ) +.It Sy t +The sticky bit is set (mode +.Li 1000 ) , +and is searchable or executable. +(See +.Xr chmod 1 +or +.Xr sticky 8 . ) +.El +.El +.Sh EXAMPLES +The following is how to do an +.Nm ls +listing sorted by increasing size +.Pp +.Dl "ls -lrS" +.Sh DIAGNOSTICS +.Ex -std +.Sh ENVIRONMENT +The following environment variables affect the execution of +.Nm ls : +.Bl -tag -width ".Ev CLICOLOR_FORCE" +.It Ev BLOCKSIZE +If the environment variable +.Ev BLOCKSIZE +is set, the block counts +(see +.Fl s ) +will be displayed in units of that size block. +.It Ev CLICOLOR +Use +\*[Ai] +color sequences to distinguish file types. +See +.Ev LSCOLORS +below. +In addition to the file types mentioned in the +.Fl F +option some extra attributes (setuid bit set, etc.) are also displayed. +The colorization is dependent on a terminal type with the proper +.Xr termcap 5 +capabilities. +The default +.Dq Li cons25 +console has the proper capabilities, +but to display the colors in an +.Xr xterm 1 , +for example, +the +.Ev TERM +variable must be set to +.Dq Li xterm-color . +Other terminal types may require similar adjustments. +Colorization +is silently disabled if the output isn't directed to a terminal +unless the +.Ev CLICOLOR_FORCE +variable is defined. +.It Ev CLICOLOR_FORCE +Color sequences are normally disabled if the output isn't directed to +a terminal. +This can be overridden by setting this flag. +The +.Ev TERM +variable still needs to reference a color capable terminal however +otherwise it is not possible to determine which color sequences to +use. +.It Ev COLUMNS +If this variable contains a string representing a +decimal integer, it is used as the +column position width for displaying +multiple-text-column output. +The +.Nm ls +utility calculates how +many pathname text columns to display +based on the width provided. +(See +.Fl C +and +.Fl x . ) +.It Ev LANG +The locale to use when determining the order of day and month in the long +.Fl l +format output. +See +.Xr environ 7 +for more information. +.It Ev LSCOLORS +The value of this variable describes what color to use for which +attribute when colors are enabled with +.Ev CLICOLOR . +This string is a concatenation of pairs of the format +.Ar f Ns Ar b , +where +.Ar f +is the foreground color and +.Ar b +is the background color. +.Pp +The color designators are as follows: +.Pp +.Bl -tag -width 4n -offset indent -compact +.It Sy a +black +.It Sy b +red +.It Sy c +green +.It Sy d +brown +.It Sy e +blue +.It Sy f +magenta +.It Sy g +cyan +.It Sy h +light grey +.It Sy A +bold black, usually shows up as dark grey +.It Sy B +bold red +.It Sy C +bold green +.It Sy D +bold brown, usually shows up as yellow +.It Sy E +bold blue +.It Sy F +bold magenta +.It Sy G +bold cyan +.It Sy H +bold light grey; looks like bright white +.It Sy x +default foreground or background +.El +.Pp +Note that the above are standard +\*[Ai] +colors. +The actual display may differ +depending on the color capabilities of the terminal in use. +.Pp +The order of the attributes are as follows: +.Pp +.Bl -enum -offset indent -compact +.It +directory +.It +symbolic link +.It +socket +.It +pipe +.It +executable +.It +block special +.It +character special +.It +executable with setuid bit set +.It +executable with setgid bit set +.It +directory writable to others, with sticky bit +.It +directory writable to others, without sticky bit +.El +.Pp +The default is +.Qq "exfxcxdxbxegedabagacad" , +i.e. blue foreground and +default background for regular directories, black foreground and red +background for setuid executables, etc. +.It Ev LS_COLWIDTHS +If this variable is set, it is considered to be a +colon-delimited list of minimum column widths. +Unreasonable +and insufficient widths are ignored (thus zero signifies +a dynamically sized column). +Not all columns have changeable widths. +The fields are, +in order: inode, block count, number of links, user name, +group name, flags, file size, file name. +.It Ev TERM +The +.Ev CLICOLOR +functionality depends on a terminal type with color capabilities. +.It Ev TZ +The timezone to use when displaying dates. +See +.Xr environ 7 +for more information. +.El +.Sh COMPATIBILITY +The group field is now automatically included in the long listing for +files in order to be compatible with the +.St -p1003.2 +specification. +.Sh LEGACY DESCRIPTION +In legacy mode, the +.Fl f +option does not turn on the +.Fl a +option and the +.Fl g , +.Fl n , +and +.Fl o +options do not turn on the +.Fl l +option. +.Pp +Also, the +.Fl o +option causes the file flags to be included in a long (-l) output; +there is no +.Fl O +option. +.Pp +When +.Fl H +is specified (and not overridden by +.Fl L +or +.Fl P ) +and a file argument is a symlink +that resolves to a non-directory file, +the output will reflect the nature of the link, +rather than that of the file. +In legacy operation, the output will describe the file. +.Pp +For more information about legacy mode, see +.Xr compat 5 . +.Sh SEE ALSO +.Xr chflags 1 , +.Xr chmod 1 , +.Xr sort 1 , +.Xr xterm 1 , +.Xr compat 5 , +.Xr termcap 5 , +.Xr symlink 7 , +.Xr sticky 8 +.Sh STANDARDS +The +.Nm ls +utility conforms to +.St -p1003.1-2001 . +.Sh HISTORY +An +.Nm ls +command appeared in +.At v1 . +.Sh BUGS +To maintain backward compatibility, the relationships between the many +options are quite complex. diff --git a/file_cmds/ls/ls.c b/file_cmds/ls/ls.c new file mode 100644 index 0000000..e079333 --- /dev/null +++ b/file_cmds/ls/ls.c @@ -0,0 +1,977 @@ +/* + * Copyright (c) 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Fischbein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifndef lint +__used static const char copyright[] = +"@(#) Copyright (c) 1989, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94"; +#endif /* not lint */ +#endif +#include <sys/cdefs.h> +__RCSID("$FreeBSD: src/bin/ls/ls.c,v 1.66 2002/09/21 01:28:36 wollman Exp $"); + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> + +#include <dirent.h> +#include <err.h> +#include <errno.h> +#include <fts.h> +#include <grp.h> +#include <limits.h> +#include <locale.h> +#include <pwd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#ifdef COLORLS +#include <termcap.h> +#include <signal.h> +#endif +#ifdef __APPLE__ +#include <sys/acl.h> +#include <sys/xattr.h> +#include <sys/param.h> +#include <get_compat.h> +#include <sys/sysctl.h> +#include <System/sys/fsctl.h> +#else +#define COMPAT_MODE(a,b) (1) +#endif /* __APPLE__ */ +#include "ls.h" +#include "extern.h" + +/* + * Upward approximation of the maximum number of characters needed to + * represent a value of integral type t as a string, excluding the + * NUL terminator, with provision for a sign. + */ +#define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) + +#define IS_DATALESS(sp) (f_dataless && (sp) && ((sp)->st_flags & SF_DATALESS)) + +static void display(FTSENT *, FTSENT *); +static u_quad_t makenines(u_quad_t); +static int mastercmp(const FTSENT **, const FTSENT **); +static void traverse(int, char **, int); + +static void (*printfcn)(DISPLAY *); +static int (*sortfcn)(const FTSENT *, const FTSENT *); + +long blocksize; /* block size units */ +int termwidth = 80; /* default terminal width */ + +/* flags */ + int f_accesstime; /* use time of last access */ + int f_birthtime; /* use time of file birth */ + int f_flags; /* show flags associated with a file */ + int f_humanval; /* show human-readable file sizes */ + int f_inode; /* print inode */ +static int f_kblocks; /* print size in kilobytes */ +static int f_listdir; /* list actual directory, not contents */ +static int f_listdot; /* list files beginning with . */ + int f_longform; /* long listing format */ + int f_nonprint; /* show unprintables as ? */ +static int f_nosort; /* don't sort output */ + int f_notabs; /* don't use tab-separated multi-col output */ + int f_numericonly; /* don't convert uid/gid to name */ + int f_octal; /* show unprintables as \xxx */ + int f_octal_escape; /* like f_octal but use C escapes if possible */ +static int f_recursive; /* ls subdirectories also */ +static int f_reversesort; /* reverse whatever sort is used */ + int f_sectime; /* print the real time for all files */ +static int f_singlecol; /* use single column output */ + int f_size; /* list size in short listing */ + int f_slash; /* similar to f_type, but only for dirs */ + int f_sortacross; /* sort across rows, not down columns */ + int f_statustime; /* use time of last mode change */ + int f_stream; /* stream the output, separate with commas */ +static int f_timesort; /* sort by time vice name */ +static int f_sizesort; /* sort by size */ + int f_type; /* add type character for non-regular files */ +static int f_whiteout; /* show whiteout entries */ + int f_acl; /* show ACLs in long listing */ + int f_xattr; /* show extended attributes in long listing */ + int f_group; /* show group */ + int f_owner; /* show owner */ + int f_dataless; /* distinguish dataless files in long listing, + and don't materialize dataless directories. */ +#ifdef COLORLS + int f_color; /* add type in color for non-regular files */ + +char *ansi_bgcol; /* ANSI sequence to set background colour */ +char *ansi_fgcol; /* ANSI sequence to set foreground colour */ +char *ansi_coloff; /* ANSI sequence to reset colours */ +char *attrs_off; /* ANSI sequence to turn off attributes */ +char *enter_bold; /* ANSI sequence to set color to bold mode */ +#endif + +static int rval; + +int +main(int argc, char *argv[]) +{ + static char dot[] = ".", *dotav[] = {dot, NULL}; + struct winsize win; + int ch, fts_options, notused; + char *p; +#ifdef COLORLS + char termcapbuf[1024]; /* termcap definition buffer */ + char tcapbuf[512]; /* capability buffer */ + char *bp = tcapbuf; +#endif + + if (argc < 1) + usage(); + (void)setlocale(LC_ALL, ""); + + /* Terminal defaults to -Cq, non-terminal defaults to -1. */ + if (isatty(STDOUT_FILENO)) { + termwidth = 80; + if ((p = getenv("COLUMNS")) != NULL && *p != '\0') + termwidth = atoi(p); + else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && + win.ws_col > 0) + termwidth = win.ws_col; + f_nonprint = 1; + } else { + f_singlecol = 1; + /* retrieve environment variable, in case of explicit -C */ + p = getenv("COLUMNS"); + if (p) + termwidth = atoi(p); + } + + /* Root is -A automatically. */ + if (!getuid()) + f_listdot = 1; + + fts_options = FTS_PHYSICAL; + while ((ch = getopt(argc, argv, "1@ABCFGHLOPRSTUWabcdefghiklmnopqrstuvwx%")) + != -1) { + switch (ch) { + /* + * The -1, -C, -x and -l options all override each other so + * shell aliasing works right. + */ + case '1': + f_singlecol = 1; + f_longform = 0; + f_stream = 0; + break; + case 'B': + f_nonprint = 0; + f_octal = 1; + f_octal_escape = 0; + break; + case 'C': + f_sortacross = f_longform = f_singlecol = 0; + break; + case 'l': + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + break; + case 'x': + f_sortacross = 1; + f_longform = 0; + f_singlecol = 0; + break; + /* The -c and -u options override each other. */ + case 'c': + f_statustime = 1; + f_accesstime = f_birthtime = 0; + break; + case 'u': + f_accesstime = 1; + f_statustime = f_birthtime = 0; + break; + case 'U': + f_birthtime = 1; + f_statustime = f_accesstime = 0; + break; + case 'F': + f_type = 1; + f_slash = 0; + break; + case 'H': + if (COMPAT_MODE("bin/ls", "Unix2003")) { + fts_options &= ~FTS_LOGICAL; + fts_options |= FTS_PHYSICAL; + fts_options |= FTS_COMFOLLOWDIR; + } else + fts_options |= FTS_COMFOLLOW; + break; + case 'G': + setenv("CLICOLOR", "", 1); + break; + case 'L': + fts_options &= ~FTS_PHYSICAL; + fts_options |= FTS_LOGICAL; + if (COMPAT_MODE("bin/ls", "Unix2003")) { + fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR); + } + break; + case 'P': + fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR); + fts_options &= ~FTS_LOGICAL; + fts_options |= FTS_PHYSICAL; + break; + case 'R': + f_recursive = 1; + break; + case 'a': + fts_options |= FTS_SEEDOT; + /* FALLTHROUGH */ + case 'A': + f_listdot = 1; + break; + /* The -d option turns off the -R option. */ + case 'd': + f_listdir = 1; + f_recursive = 0; + break; + case 'f': + f_nosort = 1; + if (COMPAT_MODE("bin/ls", "Unix2003")) { + fts_options |= FTS_SEEDOT; + f_listdot = 1; + } + break; + case 'g': /* Compatibility with Unix03 */ + if (COMPAT_MODE("bin/ls", "Unix2003")) { + f_group = 1; + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + } + break; + case 'h': + f_humanval = 1; + break; + case 'i': + f_inode = 1; + break; + case 'k': + f_kblocks = 1; + break; + case 'm': + f_stream = 1; + f_singlecol = 0; + f_longform = 0; + break; + case 'n': + f_numericonly = 1; + if (COMPAT_MODE("bin/ls", "Unix2003")) { + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + } + break; + case 'o': + if (COMPAT_MODE("bin/ls", "Unix2003")) { + f_owner = 1; + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + } else { + f_flags = 1; + } + break; + case 'p': + f_slash = 1; + f_type = 1; + break; + case 'q': + f_nonprint = 1; + f_octal = 0; + f_octal_escape = 0; + break; + case 'r': + f_reversesort = 1; + break; + case 'S': + /* Darwin 1.4.1 compatibility */ + f_sizesort = 1; + break; + case 's': + f_size = 1; + break; + case 'T': + f_sectime = 1; + break; + case 't': + f_timesort = 1; + break; + case 'W': + f_whiteout = 1; + break; + case 'v': + /* Darwin 1.4.1 compatibility */ + f_nonprint = 0; + break; + case 'b': + f_nonprint = 0; + f_octal = 0; + f_octal_escape = 1; + break; + case 'w': + f_nonprint = 0; + f_octal = 0; + f_octal_escape = 0; + break; + case 'e': + f_acl = 1; + break; + case '@': + f_xattr = 1; + break; + case 'O': + f_flags = 1; + break; + case '%': + f_dataless = 1; + break; + default: + case '?': + usage(); + } + } + argc -= optind; + argv += optind; + + /* Enabling of colours is conditional on the environment. */ + if (getenv("CLICOLOR") && + (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) +#ifdef COLORLS + if (tgetent(termcapbuf, getenv("TERM")) == 1) { + ansi_fgcol = tgetstr("AF", &bp); + ansi_bgcol = tgetstr("AB", &bp); + attrs_off = tgetstr("me", &bp); + enter_bold = tgetstr("md", &bp); + + /* To switch colours off use 'op' if + * available, otherwise use 'oc', or + * don't do colours at all. */ + ansi_coloff = tgetstr("op", &bp); + if (!ansi_coloff) + ansi_coloff = tgetstr("oc", &bp); + if (ansi_fgcol && ansi_bgcol && ansi_coloff) + f_color = 1; + } +#else + (void)fprintf(stderr, "Color support not compiled in.\n"); +#endif /*COLORLS*/ + +#ifdef COLORLS + if (f_color) { + /* + * We can't put tabs and color sequences together: + * column number will be incremented incorrectly + * for "stty oxtabs" mode. + */ + f_notabs = 1; + (void)signal(SIGINT, colorquit); + (void)signal(SIGQUIT, colorquit); + parsecolors(getenv("LSCOLORS")); + } +#endif + + /* + * If not -F, -i, -l, -s, -t or -% options, don't require stat + * information, unless in color mode in which case we do + * need this to determine which colors to display. + */ + if (!f_inode && !f_longform && !f_size && !f_timesort && !f_type && !f_sizesort && !f_dataless +#ifdef COLORLS + && !f_color +#endif + ) + fts_options |= FTS_NOSTAT; + + /* + * If not -F, -d or -l options, follow any symbolic links listed on + * the command line. + */ + if (!f_longform && !f_listdir && !f_type && !f_inode) + fts_options |= FTS_COMFOLLOW; + + /* + * If -W, show whiteout entries + */ +#ifdef FTS_WHITEOUT + if (f_whiteout) + fts_options |= FTS_WHITEOUT; +#endif + + /* If -l or -s, figure out block size. */ + if (f_longform || f_size) { + if (f_kblocks) + blocksize = 2; + else { + (void)getbsize(¬used, &blocksize); + blocksize /= 512; + } + } + /* Select a sort function. */ + if (f_reversesort) { + if (f_sizesort) + sortfcn = revsizecmp; + else if (!f_timesort) + sortfcn = revnamecmp; + else if (f_accesstime) + sortfcn = revacccmp; + else if (f_statustime) + sortfcn = revstatcmp; + else if (f_birthtime) + sortfcn = revbirthcmp; + else /* Use modification time. */ + sortfcn = revmodcmp; + } else { + if (f_sizesort) + sortfcn = sizecmp; + else if (!f_timesort) + sortfcn = namecmp; + else if (f_accesstime) + sortfcn = acccmp; + else if (f_statustime) + sortfcn = statcmp; + else if (f_birthtime) + sortfcn = birthcmp; + else /* Use modification time. */ + sortfcn = modcmp; + } + + /* Select a print function. */ + if (f_singlecol) + printfcn = printscol; + else if (f_longform) + printfcn = printlong; + else if (f_stream) + printfcn = printstream; + else + printfcn = printcol; + +#ifdef __APPLE__ + if (f_dataless) { + // don't materialize dataless directories from the cloud + // (particularly usefull when listing recursively) + int state = 1; + if (sysctlbyname("vfs.nspace.prevent_materialization", NULL, NULL, &state, sizeof(state)) < 0) { + err(1, "prevent_materialization"); + } + } +#endif /* __APPLE__ */ + + if (argc) + traverse(argc, argv, fts_options); + else + traverse(1, dotav, fts_options); + exit(rval); +} + +static int output; /* If anything output. */ + +/* + * Traverse() walks the logical directory structure specified by the argv list + * in the order specified by the mastercmp() comparison function. During the + * traversal it passes linked lists of structures to display() which represent + * a superset (may be exact set) of the files to be displayed. + */ +static void +traverse(int argc, char *argv[], int options) +{ + FTS *ftsp; + FTSENT *p, *chp; + int ch_options, error; + + if ((ftsp = + fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) + err(1, "fts_open"); + + display(NULL, fts_children(ftsp, 0)); + if (f_listdir) { + fts_close(ftsp); + return; + } + + /* + * If not recursing down this tree and don't need stat info, just get + * the names. + */ + ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; + + while ((p = fts_read(ftsp)) != NULL) + switch (p->fts_info) { + case FTS_DC: + warnx("%s: directory causes a cycle", p->fts_name); + if (COMPAT_MODE("bin/ls", "Unix2003")) { + rval = 1; + } + break; + case FTS_DNR: + case FTS_ERR: + warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); + rval = 1; + break; + case FTS_D: + if (p->fts_level != FTS_ROOTLEVEL && + p->fts_name[0] == '.' && !f_listdot) { + fts_set(ftsp, p, FTS_SKIP); + break; + } + + if (IS_DATALESS(p->fts_statp)) { + fts_set(ftsp, p, FTS_SKIP); + break; + } + + /* + * If already output something, put out a newline as + * a separator. If multiple arguments, precede each + * directory with its name. + */ + if (output) + (void)printf("\n%s:\n", p->fts_path); + else if (argc > 1) { + (void)printf("%s:\n", p->fts_path); + output = 1; + } + chp = fts_children(ftsp, ch_options); + if (COMPAT_MODE("bin/ls", "Unix2003") && ((options & FTS_LOGICAL)!=0)) { + FTSENT *curr; + for (curr = chp; curr; curr = curr->fts_link) { + if (curr->fts_info == FTS_SLNONE) + curr->fts_number = NO_PRINT; + } + } + display(p, chp); + + if (!f_recursive && chp != NULL) + (void)fts_set(ftsp, p, FTS_SKIP); + break; + case FTS_SLNONE: /* Same as default unless Unix conformance */ + if (COMPAT_MODE("bin/ls", "Unix2003")) { + if ((options & FTS_LOGICAL)!=0) { /* -L was specified */ + warnx("%s: %s", p->fts_name, strerror(p->fts_errno ?: ENOENT)); + rval = 1; + } + } + break; + default: + break; + } + error = errno; + fts_close(ftsp); + errno = error; + + if (errno) + err(1, "fts_read"); +} + +/* + * Display() takes a linked list of FTSENT structures and passes the list + * along with any other necessary information to the print function. P + * points to the parent directory of the display list. + */ +static void +display(FTSENT *p, FTSENT *list) +{ + struct stat *sp; + DISPLAY d; + FTSENT *cur; + NAMES *np; + off_t maxsize; + u_int64_t btotal, maxblock; + u_long lattrlen, maxlen, maxnlink, maxlattr; + ino_t maxinode; + int bcfile, maxflags; + gid_t maxgroup; + uid_t maxuser; + size_t flen, ulen, glen; + char *initmax; + int entries, needstats; + const char *user, *group; + char *flags, *lattr = NULL; + char buf[STRBUF_SIZEOF(u_quad_t) + 1]; + char ngroup[STRBUF_SIZEOF(uid_t) + 1]; + char nuser[STRBUF_SIZEOF(gid_t) + 1]; +#ifdef __APPLE__ + acl_entry_t dummy; + ssize_t xattr_size; + char *filename; + char path[MAXPATHLEN+1]; +#endif // __APPLE__ + /* + * If list is NULL there are two possibilities: that the parent + * directory p has no children, or that fts_children() returned an + * error. We ignore the error case since it will be replicated + * on the next call to fts_read() on the post-order visit to the + * directory p, and will be signaled in traverse(). + */ + if (list == NULL) + return; + + needstats = f_inode || f_longform || f_size; + btotal = 0; + initmax = getenv("LS_COLWIDTHS"); + /* Fields match -lios order. New ones should be added at the end. */ + maxlattr = maxblock = maxinode = maxlen = maxnlink = + maxuser = maxgroup = maxflags = maxsize = 0; + if (initmax != NULL && *initmax != '\0') { + char *initmax2, *jinitmax; + int ninitmax; + + /* Fill-in "::" as "0:0:0" for the sake of scanf. */ + jinitmax = initmax2 = malloc(strlen(initmax) * 2 + 2); + if (jinitmax == NULL) + err(1, "malloc"); + if (*initmax == ':') + strcpy(initmax2, "0:"), initmax2 += 2; + else + *initmax2++ = *initmax, *initmax2 = '\0'; + for (initmax++; *initmax != '\0'; initmax++) { + if (initmax[-1] == ':' && initmax[0] == ':') { + *initmax2++ = '0'; + *initmax2++ = initmax[0]; + initmax2[1] = '\0'; + } else { + *initmax2++ = initmax[0]; + initmax2[1] = '\0'; + } + } + if (initmax2[-1] == ':') + strcpy(initmax2, "0"); + + ninitmax = sscanf(jinitmax, +#if _DARWIN_FEATURE_64_BIT_INODE + " %llu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ", +#else + " %lu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ", +#endif + &maxinode, &maxblock, &maxnlink, &maxuser, + &maxgroup, &maxflags, &maxsize, &maxlen, &maxlattr); + f_notabs = 1; + switch (ninitmax) { + case 0: + maxinode = 0; + /* FALLTHROUGH */ + case 1: + maxblock = 0; + /* FALLTHROUGH */ + case 2: + maxnlink = 0; + /* FALLTHROUGH */ + case 3: + maxuser = 0; + /* FALLTHROUGH */ + case 4: + maxgroup = 0; + /* FALLTHROUGH */ + case 5: + maxflags = 0; + /* FALLTHROUGH */ + case 6: + maxsize = 0; + /* FALLTHROUGH */ + case 7: + maxlen = 0; + /* FALLTHROUGH */ + case 8: + maxlattr = 0; + /* FALLTHROUGH */ +#ifdef COLORLS + if (!f_color) +#endif + f_notabs = 0; + /* FALLTHROUGH */ + default: + break; + } + maxinode = makenines(maxinode); + maxblock = makenines(maxblock); + maxnlink = makenines(maxnlink); + maxsize = makenines(maxsize); + } + bcfile = 0; + flags = NULL; + for (cur = list, entries = 0; cur; cur = cur->fts_link) { + if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { + warnx("%s: %s", + cur->fts_name, strerror(cur->fts_errno)); + cur->fts_number = NO_PRINT; + rval = 1; + continue; + } + /* + * P is NULL if list is the argv list, to which different rules + * apply. + */ + if (p == NULL) { + /* Directories will be displayed later. */ + if (cur->fts_info == FTS_D && !f_listdir) { + cur->fts_number = NO_PRINT; + continue; + } + } else { + /* Only display dot file if -a/-A set. */ + if (cur->fts_name[0] == '.' && !f_listdot) { + cur->fts_number = NO_PRINT; + continue; + } + } + if (cur->fts_namelen > maxlen) + maxlen = cur->fts_namelen; + if (f_octal || f_octal_escape) { + u_long t = len_octal(cur->fts_name, cur->fts_namelen); + + if (t > maxlen) + maxlen = t; + } + if (needstats) { + sp = cur->fts_statp; + if (sp->st_blocks > maxblock) + maxblock = sp->st_blocks; + if (sp->st_ino > maxinode) + maxinode = sp->st_ino; + if (sp->st_nlink > maxnlink) + maxnlink = sp->st_nlink; + if (sp->st_size > maxsize) + maxsize = sp->st_size; + + btotal += sp->st_blocks; + if (f_longform) { + if (f_numericonly) { + (void)snprintf(nuser, sizeof(nuser), + "%u", sp->st_uid); + (void)snprintf(ngroup, sizeof(ngroup), + "%u", sp->st_gid); + user = nuser; + group = ngroup; + } else { + user = user_from_uid(sp->st_uid, 0); + group = group_from_gid(sp->st_gid, 0); + } + if ((ulen = strlen(user)) > maxuser) + maxuser = ulen; + if ((glen = strlen(group)) > maxgroup) + maxgroup = glen; + if (f_flags) { + flags = fflagstostr(sp->st_flags); + if (flags != NULL && *flags == '\0') { + free(flags); + flags = strdup("-"); + } + if (flags == NULL) + err(1, "fflagstostr"); + flen = strlen(flags); + if (flen > (size_t)maxflags) + maxflags = flen; + } else + flen = 0; + lattr = NULL; + lattrlen = 0; + + if ((np = calloc(1, sizeof(NAMES) + lattrlen + + ulen + glen + flen + 4)) == NULL) + err(1, "malloc"); + + np->user = &np->data[0]; + (void)strcpy(np->user, user); + np->group = &np->data[ulen + 1]; + (void)strcpy(np->group, group); +#ifdef __APPLE__ + if (cur->fts_level == FTS_ROOTLEVEL) { + filename = cur->fts_name; + } else { + snprintf(path, sizeof(path), "%s/%s", cur->fts_parent->fts_accpath, cur->fts_name); + filename = path; + } + xattr_size = listxattr(filename, NULL, 0, XATTR_NOFOLLOW); + if (xattr_size < 0) { + xattr_size = 0; + } + if ((xattr_size > 0) && f_xattr) { + /* collect sizes */ + np->xattr_names = malloc(xattr_size); + listxattr(filename, np->xattr_names, xattr_size, XATTR_NOFOLLOW); + for (char *name = np->xattr_names; name < np->xattr_names + xattr_size; + name += strlen(name)+1) { + np->xattr_sizes = reallocf(np->xattr_sizes, (np->xattr_count+1) * sizeof(np->xattr_sizes[0])); + np->xattr_sizes[np->xattr_count] = getxattr(filename, name, 0, 0, 0, XATTR_NOFOLLOW); + np->xattr_count++; + } + } + /* symlinks can not have ACLs */ + np->acl = acl_get_link_np(filename, ACL_TYPE_EXTENDED); + if (np->acl) { + if (acl_get_entry(np->acl, ACL_FIRST_ENTRY, &dummy) == -1) { + acl_free(np->acl); + np->acl = NULL; + } + } + if (xattr_size > 0) { + np->mode_suffix = '@'; + } else if (np->acl) { + np->mode_suffix = '+'; + } else { + np->mode_suffix = ' '; + } + if (IS_DATALESS(sp)) { + np->mode_suffix = '%'; + } + if (!f_acl) { + acl_free(np->acl); + np->acl = NULL; + } +#endif // __APPLE__ + if (S_ISCHR(sp->st_mode) || + S_ISBLK(sp->st_mode)) + bcfile = 1; + + if (f_flags) { + np->flags = &np->data[ulen + glen + 2]; + (void)strcpy(np->flags, flags); + free(flags); + } + cur->fts_pointer = np; + } + } + ++entries; + } + + if (!entries) + return; + + d.list = list; + d.entries = entries; + d.maxlen = maxlen; + if (needstats) { + d.bcfile = bcfile; + d.btotal = btotal; + (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxblock); + d.s_block = strlen(buf); + d.s_flags = maxflags; + d.s_lattr = maxlattr; + d.s_group = maxgroup; +#if _DARWIN_FEATURE_64_BIT_INODE + (void)snprintf(buf, sizeof(buf), "%llu", maxinode); +#else + (void)snprintf(buf, sizeof(buf), "%lu", maxinode); +#endif + d.s_inode = strlen(buf); + (void)snprintf(buf, sizeof(buf), "%lu", maxnlink); + d.s_nlink = strlen(buf); + (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxsize); + d.s_size = strlen(buf); + d.s_user = maxuser; + } + printfcn(&d); + output = 1; + + if (f_longform) { + for (cur = list; cur; cur = cur->fts_link) { + np = cur->fts_pointer; + if (np) { + if (np->acl) { + acl_free(np->acl); + } + free(np->xattr_names); + free(np->xattr_sizes); + free(np); + cur->fts_pointer = NULL; + } + } + } +} + +/* + * Ordering for mastercmp: + * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories + * as larger than directories. Within either group, use the sort function. + * All other levels use the sort function. Error entries remain unsorted. + */ +static int +mastercmp(const FTSENT **a, const FTSENT **b) +{ + int a_info, b_info; + + a_info = (*a)->fts_info; + if (a_info == FTS_ERR) + return (0); + b_info = (*b)->fts_info; + if (b_info == FTS_ERR) + return (0); + + if (a_info == FTS_NS || b_info == FTS_NS) + return (namecmp(*a, *b)); + + if (a_info != b_info && + (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { + if (a_info == FTS_D) + return (1); + if (b_info == FTS_D) + return (-1); + } + return (sortfcn(*a, *b)); +} + +/* + * Makenines() returns (10**n)-1. This is useful for converting a width + * into a number that wide in decimal. + */ +static u_quad_t +makenines(u_quad_t n) +{ + u_long i; + u_quad_t reg; + + reg = 1; + /* Use a loop instead of pow(), since all values of n are small. */ + for (i = 0; i < n; i++) + reg *= 10; + reg--; + + return reg; +} diff --git a/file_cmds/ls/ls.h b/file_cmds/ls/ls.h new file mode 100644 index 0000000..d1ef037 --- /dev/null +++ b/file_cmds/ls/ls.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Fischbein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)ls.h 8.1 (Berkeley) 5/31/93 + * $FreeBSD: src/bin/ls/ls.h,v 1.18 2002/05/19 02:51:36 tjr Exp $ + */ + +#ifndef _LS_H_ +#define _LS_H_ + +#define NO_PRINT 1 + +extern long blocksize; /* block size units */ + +extern int f_accesstime; /* use time of last access */ +extern int f_birthtime; /* use time of file birth */ +extern int f_flags; /* show flags associated with a file */ +extern int f_humanval; /* show human-readable file sizes */ +extern int f_inode; /* print inode */ +extern int f_longform; /* long listing format */ +extern int f_octal; /* print unprintables in octal */ +extern int f_octal_escape; /* like f_octal but use C escapes if possible */ +extern int f_nonprint; /* show unprintables as ? */ +extern int f_sectime; /* print the real time for all files */ +extern int f_size; /* list size in short listing */ +extern int f_slash; /* append a '/' if the file is a directory */ +extern int f_sortacross; /* sort across rows, not down columns */ +extern int f_statustime; /* use time of last mode change */ +extern int f_notabs; /* don't use tab-separated multi-col output */ +extern int f_type; /* add type character for non-regular files */ +extern int f_acl; /* print ACLs in long format */ +extern int f_xattr; /* print extended attributes in long format */ +extern int f_group; /* list group without owner */ +extern int f_owner; /* list owner without group */ +#ifdef COLORLS +extern int f_color; /* add type in color for non-regular files */ +#endif +extern int f_numericonly; /* don't convert uid/gid to name */ + +#ifdef __APPLE__ +#include <sys/acl.h> +#endif // __APPLE__ + +typedef struct { + FTSENT *list; + u_int64_t btotal; + int bcfile; + int entries; + int maxlen; + u_int s_block; + u_int s_flags; + u_int s_lattr; + u_int s_group; + u_int s_inode; + u_int s_nlink; + u_int s_size; + u_int s_user; +} DISPLAY; + +typedef struct { + char *user; + char *group; + char *flags; +#ifndef __APPLE__ + char *lattr; +#else + char *xattr_names; /* f_xattr */ + int *xattr_sizes; + acl_t acl; /* f_acl */ + int xattr_count; + char mode_suffix; /* @ | + | % | <space> */ +#endif /* __APPLE__ */ + char data[1]; +} NAMES; + +#endif /* _LS_H_ */ diff --git a/file_cmds/ls/print.c b/file_cmds/ls/print.c new file mode 100644 index 0000000..de04bf3 --- /dev/null +++ b/file_cmds/ls/print.c @@ -0,0 +1,837 @@ +/* + * Copyright (c) 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Fischbein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94"; +#endif /* not lint */ +#endif +#include <sys/cdefs.h> +__RCSID("$FreeBSD: src/bin/ls/print.c,v 1.57 2002/08/29 14:29:09 keramida Exp $"); + +#include <sys/param.h> +#include <sys/stat.h> +#ifdef __APPLE__ +#include <sys/acl.h> +#include <sys/xattr.h> +#include <sys/types.h> +#include <grp.h> +#include <pwd.h> +#include <TargetConditionals.h> +#include <membership.h> +#include <membershipPriv.h> +#include <uuid/uuid.h> +#endif + +#include <err.h> +#include <errno.h> +#include <fts.h> +#include <math.h> +#include <langinfo.h> +#include <libutil.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> +#ifdef COLORLS +#include <ctype.h> +#include <termcap.h> +#include <signal.h> +#endif +#include <stdint.h> /* intmax_t */ +#include <assert.h> +#ifdef __APPLE__ +#include <get_compat.h> +#else +#define COMPAT_MODE(a,b) (1) +#endif /* __APPLE__ */ + +#include "ls.h" +#include "extern.h" + +static int printaname(FTSENT *, u_long, u_long); +static void printlink(FTSENT *); +static void printtime(time_t); +static int printtype(u_int); +static void printsize(size_t, off_t); +#ifdef COLORLS +static void endcolor(int); +static int colortype(mode_t); +#endif + +#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) + +#ifdef COLORLS +/* Most of these are taken from <sys/stat.h> */ +typedef enum Colors { + C_DIR, /* directory */ + C_LNK, /* symbolic link */ + C_SOCK, /* socket */ + C_FIFO, /* pipe */ + C_EXEC, /* executable */ + C_BLK, /* block special */ + C_CHR, /* character special */ + C_SUID, /* setuid executable */ + C_SGID, /* setgid executable */ + C_WSDIR, /* directory writeble to others, with sticky + * bit */ + C_WDIR, /* directory writeble to others, without + * sticky bit */ + C_NUMCOLORS /* just a place-holder */ +} Colors; + +static const char *defcolors = "exfxcxdxbxegedabagacad"; + +/* colors for file types */ +static struct { + int num[2]; + int bold; +} colors[C_NUMCOLORS]; +#endif + +void +printscol(DISPLAY *dp) +{ + FTSENT *p; + + assert(dp); + if (COMPAT_MODE("bin/ls", "Unix2003") && (dp->list != NULL)) { + if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) + (void)printf("total %qu\n", (u_int64_t)howmany(dp->btotal, blocksize)); + } + + for (p = dp->list; p; p = p->fts_link) { + if (IS_NOPRINT(p)) + continue; + (void)printaname(p, dp->s_inode, dp->s_block); + (void)putchar('\n'); + } +} + +/* + * print name in current style + */ +static int +printname(const char *name) +{ + if (f_octal || f_octal_escape) + return prn_octal(name); + else if (f_nonprint) + return prn_printable(name); + else + return prn_normal(name); +} + +/* + * print access control list + */ +static struct { + acl_perm_t perm; + char *name; + int flags; +#define ACL_PERM_DIR (1<<0) +#define ACL_PERM_FILE (1<<1) +} acl_perms[] = { + {ACL_READ_DATA, "read", ACL_PERM_FILE}, + {ACL_LIST_DIRECTORY, "list", ACL_PERM_DIR}, + {ACL_WRITE_DATA, "write", ACL_PERM_FILE}, + {ACL_ADD_FILE, "add_file", ACL_PERM_DIR}, + {ACL_EXECUTE, "execute", ACL_PERM_FILE}, + {ACL_SEARCH, "search", ACL_PERM_DIR}, + {ACL_DELETE, "delete", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_APPEND_DATA, "append", ACL_PERM_FILE}, + {ACL_ADD_SUBDIRECTORY, "add_subdirectory", ACL_PERM_DIR}, + {ACL_DELETE_CHILD, "delete_child", ACL_PERM_DIR}, + {ACL_READ_ATTRIBUTES, "readattr", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_WRITE_ATTRIBUTES, "writeattr", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_READ_EXTATTRIBUTES, "readextattr", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_WRITE_EXTATTRIBUTES, "writeextattr", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_READ_SECURITY, "readsecurity", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_WRITE_SECURITY, "writesecurity", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_CHANGE_OWNER, "chown", ACL_PERM_FILE | ACL_PERM_DIR}, + {0, NULL, 0} +}; + +static struct { + acl_flag_t flag; + char *name; + int flags; +} acl_flags[] = { + {ACL_ENTRY_FILE_INHERIT, "file_inherit", ACL_PERM_DIR}, + {ACL_ENTRY_DIRECTORY_INHERIT, "directory_inherit", ACL_PERM_DIR}, + {ACL_ENTRY_LIMIT_INHERIT, "limit_inherit", ACL_PERM_FILE | ACL_PERM_DIR}, + {ACL_ENTRY_ONLY_INHERIT, "only_inherit", ACL_PERM_DIR}, + {0, NULL, 0} +}; + +static char * +uuid_to_name(uuid_t *uu) +{ + int type; + char *name = NULL; + char *recname = NULL; + +#define MAXNAMETAG (MAXLOGNAME + 6) /* + strlen("group:") */ + name = (char *) malloc(MAXNAMETAG); + + if (NULL == name) { + err(1, "malloc"); + } + + if (f_numericonly) { + goto errout; + } + + if (mbr_identifier_translate(ID_TYPE_UUID, *uu, sizeof(*uu), ID_TYPE_NAME, (void **) &recname, &type)) { + goto errout; + } + + snprintf(name, MAXNAMETAG, "%s:%s", (type == MBR_REC_TYPE_USER ? "user" : "group"), recname); + free(recname); + + return name; +errout: + uuid_unparse_upper(*uu, name); + + return name; +} + +static void +printxattr(DISPLAY *dp, int count, char *buf, int sizes[]) +{ + for (int i = 0; i < count; i++) { + putchar('\t'); + printname(buf); + putchar('\t'); + printsize(dp->s_size, sizes[i]); + putchar('\n'); + buf += strlen(buf) + 1; + } +} + +static void +printacl(acl_t acl, int isdir) +{ + acl_entry_t entry = NULL; + int index; + uuid_t *applicable; + char *name = NULL; + acl_tag_t tag; + acl_flagset_t flags; + acl_permset_t perms; + char *type; + int i, first; + + + for (index = 0; + acl_get_entry(acl, entry == NULL ? ACL_FIRST_ENTRY : ACL_NEXT_ENTRY, &entry) == 0; + index++) { + if (acl_get_tag_type(entry, &tag) != 0) + continue; + if (acl_get_flagset_np(entry, &flags) != 0) + continue; + if (acl_get_permset(entry, &perms) != 0) + continue; + if ((applicable = (uuid_t *) acl_get_qualifier(entry)) == NULL) + continue; + name = uuid_to_name(applicable); + acl_free(applicable); + switch(tag) { + case ACL_EXTENDED_ALLOW: + type = "allow"; + break; + case ACL_EXTENDED_DENY: + type = "deny"; + break; + default: + type = "unknown"; + } + + (void)printf(" %d: %s%s %s ", + index, + name, + acl_get_flag_np(flags, ACL_ENTRY_INHERITED) ? " inherited" : "", + type); + + if (name) + free(name); + + for (i = 0, first = 0; acl_perms[i].name != NULL; i++) { + if (acl_get_perm_np(perms, acl_perms[i].perm) == 0) + continue; + if (!(acl_perms[i].flags & (isdir ? ACL_PERM_DIR : ACL_PERM_FILE))) + continue; + (void)printf("%s%s", first++ ? "," : "", acl_perms[i].name); + } + for (i = 0; acl_flags[i].name != NULL; i++) { + if (acl_get_flag_np(flags, acl_flags[i].flag) == 0) + continue; + if (!(acl_flags[i].flags & (isdir ? ACL_PERM_DIR : ACL_PERM_FILE))) + continue; + (void)printf("%s%s", first++ ? "," : "", acl_flags[i].name); + } + + (void)putchar('\n'); + } + +} + +void +printlong(DISPLAY *dp) +{ + struct stat *sp; + FTSENT *p; + NAMES *np; + char buf[20]; +#ifdef COLORLS + int color_printed = 0; +#endif + + if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) + (void)printf("total %qu\n", (u_int64_t)howmany(dp->btotal, blocksize)); + + for (p = dp->list; p; p = p->fts_link) { + if (IS_NOPRINT(p)) + continue; + sp = p->fts_statp; + if (f_inode) +#if _DARWIN_FEATURE_64_BIT_INODE + (void)printf("%*llu ", dp->s_inode, (u_quad_t)sp->st_ino); +#else + (void)printf("%*lu ", dp->s_inode, (u_long)sp->st_ino); +#endif + if (f_size) + (void)printf("%*qu ", + dp->s_block, (u_int64_t)howmany(sp->st_blocks, blocksize)); + strmode(sp->st_mode, buf); + np = p->fts_pointer; +#ifdef __APPLE__ + buf[10] = '\0'; /* make +/@ abut the mode */ + char str[2] = { np->mode_suffix, '\0' }; +#endif /* __APPLE__ */ + if (f_group && f_owner) { /* means print neither */ +#ifdef __APPLE__ + (void)printf("%s%s %*u ", buf, str, dp->s_nlink, + sp->st_nlink); +#else /* ! __APPLE__ */ + (void)printf("%s %*u ", buf, dp->s_nlink, + sp->st_nlink); +#endif /* __APPLE__ */ + } + else if (f_group) { +#ifdef __APPLE__ + (void)printf("%s%s %*u %-*s ", buf, str, dp->s_nlink, + sp->st_nlink, dp->s_group, np->group); +#else /* ! __APPLE__ */ + (void)printf("%s %*u %-*s ", buf, dp->s_nlink, + sp->st_nlink, dp->s_group, np->group); +#endif /* __APPLE__ */ + } + else if (f_owner) { +#ifdef __APPLE__ + (void)printf("%s%s %*u %-*s ", buf, str, dp->s_nlink, + sp->st_nlink, dp->s_user, np->user); +#else /* ! __APPLE__ */ + (void)printf("%s %*u %-*s ", buf, dp->s_nlink, + sp->st_nlink, dp->s_user, np->user); +#endif /* __APPLE__ */ + } + else { +#ifdef __APPLE__ + (void)printf("%s%s %*u %-*s %-*s ", buf, str, dp->s_nlink, + sp->st_nlink, dp->s_user, np->user, dp->s_group, + np->group); +#else /* ! __APPLE__ */ + (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink, + sp->st_nlink, dp->s_user, np->user, dp->s_group, + np->group); +#endif /* ! __APPLE__ */ + } + if (f_flags) + (void)printf("%-*s ", dp->s_flags, np->flags); + if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) + if (minor(sp->st_rdev) > 255 || minor(sp->st_rdev) < 0) + (void)printf("%3d, 0x%08x ", + major(sp->st_rdev), + (u_int)minor(sp->st_rdev)); + else + (void)printf("%3d, %3d ", + major(sp->st_rdev), minor(sp->st_rdev)); + else if (dp->bcfile) + (void)printf("%*s%*qu ", + 8 - dp->s_size, "", dp->s_size, (u_int64_t)sp->st_size); + else + printsize(dp->s_size, sp->st_size); + if (f_accesstime) + printtime(sp->st_atime); + else if (f_statustime) + printtime(sp->st_ctime); + else if (f_birthtime) + printtime(sp->st_birthtime); + else + printtime(sp->st_mtime); +#ifdef COLORLS + if (f_color) + color_printed = colortype(sp->st_mode); +#endif + (void)printname(p->fts_name); +#ifdef COLORLS + if (f_color && color_printed) + endcolor(0); +#endif + if (f_type) + (void)printtype(sp->st_mode); + if (S_ISLNK(sp->st_mode)) + printlink(p); + (void)putchar('\n'); +#ifdef __APPLE__ + if (np->xattr_count && f_xattr) { + printxattr(dp, np->xattr_count, np->xattr_names, np->xattr_sizes); + } + if (np->acl != NULL && f_acl) { + printacl(np->acl, S_ISDIR(sp->st_mode)); + } +#endif /* __APPLE__ */ + } +} + +void +printstream(DISPLAY *dp) +{ + FTSENT *p; + extern int termwidth; + int chcnt; + + for (p = dp->list, chcnt = 0; p; p = p->fts_link) { + if (p->fts_number == NO_PRINT) + continue; + if (strlen(p->fts_name) + chcnt + + (p->fts_link ? 2 : 0) >= (unsigned)termwidth) { + putchar('\n'); + chcnt = 0; + } + chcnt += printaname(p, dp->s_inode, dp->s_block); + if (p->fts_link) { + printf(", "); + chcnt += 2; + } + } + if (chcnt) + putchar('\n'); +} + +void +printcol(DISPLAY *dp) +{ + extern int termwidth; + static FTSENT **array; + static int lastentries = -1; + FTSENT *p; + int base; + int chcnt; + int cnt; + int col; + int colwidth; + int endcol; + int num; + int numcols; + int numrows; + int row; + int tabwidth; + + if (f_notabs) + tabwidth = 1; + else + tabwidth = 8; + + /* + * Have to do random access in the linked list -- build a table + * of pointers. + */ + if ((lastentries == -1) || (dp->entries > lastentries)) { + lastentries = dp->entries; + if ((array = realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { + warn(NULL); + printscol(dp); + return; + } + } + memset(array, 0, dp->entries * sizeof(FTSENT *)); + for (p = dp->list, num = 0; p; p = p->fts_link) + if (p->fts_number != NO_PRINT) + array[num++] = p; + + colwidth = dp->maxlen; + if (f_inode) + colwidth += dp->s_inode + 1; + if (f_size) + colwidth += dp->s_block + 1; + if (f_type) + colwidth += 1; + + colwidth = (colwidth + tabwidth) & ~(tabwidth - 1); + if (termwidth < 2 * colwidth) { + printscol(dp); + return; + } + numcols = termwidth / colwidth; + numrows = num / numcols; + if (num % numcols) + ++numrows; + + assert(dp->list); + if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) + (void)printf("total %qu\n", (u_int64_t)howmany(dp->btotal, blocksize)); + + base = 0; + for (row = 0; row < numrows; ++row) { + endcol = colwidth; + if (!f_sortacross) + base = row; + for (col = 0, chcnt = 0; col < numcols; ++col) { + assert(base < dp->entries); + chcnt += printaname(array[base], dp->s_inode, dp->s_block); + if (f_sortacross) + base++; + else + base += numrows; + if (base >= num) + break; + while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1))) + <= endcol) { + if (f_sortacross && col + 1 >= numcols) + break; + (void)putchar(f_notabs ? ' ' : '\t'); + chcnt = cnt; + } + endcol += colwidth; + } + (void)putchar('\n'); + } +} + +/* + * print [inode] [size] name + * return # of characters printed, no trailing characters. + */ +static int +printaname(FTSENT *p, u_long inodefield, u_long sizefield) +{ + struct stat *sp; + int chcnt; +#ifdef COLORLS + int color_printed = 0; +#endif + + sp = p->fts_statp; + chcnt = 0; + if (f_inode) +#if _DARWIN_FEATURE_64_BIT_INODE + chcnt += printf("%*llu ", (int)inodefield, (u_quad_t)sp->st_ino); +#else + chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino); +#endif + if (f_size) + chcnt += printf("%*qu ", + (int)sizefield, (u_int64_t)howmany(sp->st_blocks, blocksize)); +#ifdef COLORLS + if (f_color) + color_printed = colortype(sp->st_mode); +#endif + chcnt += printname(p->fts_name); +#ifdef COLORLS + if (f_color && color_printed) + endcolor(0); +#endif + if (f_type) + chcnt += printtype(sp->st_mode); + return (chcnt); +} + +static void +printtime(time_t ftime) +{ + char longstring[80]; + static time_t now; + const char *format; + static int d_first = -1; + + if (d_first < 0) + d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); + if (now == 0) + now = time(NULL); + +#define SIXMONTHS ((365 / 2) * 86400) + if (f_sectime) + /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */ + format = d_first ? "%e %b %T %Y " : "%b %e %T %Y "; + else if (COMPAT_MODE("bin/ls", "Unix2003")) { + if (ftime + SIXMONTHS > now && ftime <= now) + /* mmm dd hh:mm || dd mmm hh:mm */ + format = d_first ? "%e %b %R " : "%b %e %R "; + else + /* mmm dd yyyy || dd mmm yyyy */ + format = d_first ? "%e %b %Y " : "%b %e %Y "; + } + else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) + /* mmm dd hh:mm || dd mmm hh:mm */ + format = d_first ? "%e %b %R " : "%b %e %R "; + else + /* mmm dd yyyy || dd mmm yyyy */ + format = d_first ? "%e %b %Y " : "%b %e %Y "; + strftime(longstring, sizeof(longstring), format, localtime(&ftime)); + fputs(longstring, stdout); +} + +static int +printtype(u_int mode) +{ + + if (f_slash) { + if ((mode & S_IFMT) == S_IFDIR) { + (void)putchar('/'); + return (1); + } + return (0); + } + + switch (mode & S_IFMT) { + case S_IFDIR: + (void)putchar('/'); + return (1); + case S_IFIFO: + (void)putchar('|'); + return (1); + case S_IFLNK: + (void)putchar('@'); + return (1); + case S_IFSOCK: + (void)putchar('='); + return (1); + case S_IFWHT: + (void)putchar('%'); + return (1); + default: + break; + } + if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { + (void)putchar('*'); + return (1); + } + return (0); +} + +#ifdef COLORLS +static int +putch(int c) +{ + (void)putchar(c); + return 0; +} + +static int +writech(int c) +{ + char tmp = c; + + (void)write(STDOUT_FILENO, &tmp, 1); + return 0; +} + +static void +printcolor(Colors c) +{ + char *ansiseq; + + if (colors[c].bold) + tputs(enter_bold, 1, putch); + + if (colors[c].num[0] != -1) { + ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]); + if (ansiseq) + tputs(ansiseq, 1, putch); + } + if (colors[c].num[1] != -1) { + ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]); + if (ansiseq) + tputs(ansiseq, 1, putch); + } +} + +static void +endcolor(int sig) +{ + tputs(ansi_coloff, 1, sig ? writech : putch); + tputs(attrs_off, 1, sig ? writech : putch); +} + +static int +colortype(mode_t mode) +{ + switch (mode & S_IFMT) { + case S_IFDIR: + if (mode & S_IWOTH) + if (mode & S_ISTXT) + printcolor(C_WSDIR); + else + printcolor(C_WDIR); + else + printcolor(C_DIR); + return (1); + case S_IFLNK: + printcolor(C_LNK); + return (1); + case S_IFSOCK: + printcolor(C_SOCK); + return (1); + case S_IFIFO: + printcolor(C_FIFO); + return (1); + case S_IFBLK: + printcolor(C_BLK); + return (1); + case S_IFCHR: + printcolor(C_CHR); + return (1); + } + if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { + if (mode & S_ISUID) + printcolor(C_SUID); + else if (mode & S_ISGID) + printcolor(C_SGID); + else + printcolor(C_EXEC); + return (1); + } + return (0); +} + +void +parsecolors(const char *cs) +{ + int i; + int j; + int len; + char c[2]; + short legacy_warn = 0; + + if (cs == NULL) + cs = ""; /* LSCOLORS not set */ + len = strlen(cs); + for (i = 0; i < C_NUMCOLORS; i++) { + colors[i].bold = 0; + + if (len <= 2 * i) { + c[0] = defcolors[2 * i]; + c[1] = defcolors[2 * i + 1]; + } else { + c[0] = cs[2 * i]; + c[1] = cs[2 * i + 1]; + } + for (j = 0; j < 2; j++) { + /* Legacy colours used 0-7 */ + if (c[j] >= '0' && c[j] <= '7') { + colors[i].num[j] = c[j] - '0'; + if (!legacy_warn) { + fprintf(stderr, + "warn: LSCOLORS should use " + "characters a-h instead of 0-9 (" + "see the manual page)\n"); + } + legacy_warn = 1; + } else if (c[j] >= 'a' && c[j] <= 'h') + colors[i].num[j] = c[j] - 'a'; + else if (c[j] >= 'A' && c[j] <= 'H') { + colors[i].num[j] = c[j] - 'A'; + colors[i].bold = 1; + } else if (tolower((unsigned char)c[j] == 'x')) + colors[i].num[j] = -1; + else { + fprintf(stderr, + "error: invalid character '%c' in LSCOLORS" + " env var\n", c[j]); + colors[i].num[j] = -1; + } + } + } +} + +void +colorquit(int sig) +{ + endcolor(sig); + + (void)signal(sig, SIG_DFL); + (void)kill(getpid(), sig); +} + +#endif /* COLORLS */ + +static void +printlink(FTSENT *p) +{ + int lnklen; + char name[MAXPATHLEN + 1]; + char path[MAXPATHLEN + 1]; + + if (p->fts_level == FTS_ROOTLEVEL) + (void)snprintf(name, sizeof(name), "%s", p->fts_name); + else + (void)snprintf(name, sizeof(name), + "%s/%s", p->fts_parent->fts_accpath, p->fts_name); + if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { + (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); + return; + } + path[lnklen] = '\0'; + (void)printf(" -> "); + (void)printname(path); +} + +static void +printsize(size_t width, off_t bytes) +{ + + if (f_humanval) { + char buf[5]; + + humanize_number(buf, sizeof(buf), (int64_t)bytes, "", + HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); + (void)printf("%5s ", buf); + } else + (void)printf("%*jd ", (u_int)width, (intmax_t)bytes); +} diff --git a/file_cmds/ls/util.c b/file_cmds/ls/util.c new file mode 100644 index 0000000..1aae3f1 --- /dev/null +++ b/file_cmds/ls/util.c @@ -0,0 +1,231 @@ +/*- + * Copyright (c) 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Fischbein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94"; +#endif /* not lint */ +#endif +#include <sys/cdefs.h> +__FBSDID("$FreeBSD: src/bin/ls/util.c,v 1.38 2005/06/03 11:05:58 dd Exp $"); + +#include <sys/types.h> +#include <sys/stat.h> + +#include <ctype.h> +#include <err.h> +#include <fts.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> +#include <wctype.h> + +#include "ls.h" +#include "extern.h" + +int +prn_normal(const char *s) +{ + mbstate_t mbs; + wchar_t wc; + int i, n; + size_t clen; + + memset(&mbs, 0, sizeof(mbs)); + n = 0; + while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { + if (clen == (size_t)-2) { + n += printf("%s", s); + break; + } + if (clen == (size_t)-1) { + memset(&mbs, 0, sizeof(mbs)); + putchar((unsigned char)*s); + s++; + n++; + continue; + } + for (i = 0; i < (int)clen; i++) + putchar((unsigned char)s[i]); + s += clen; + if (iswprint(wc)) + n += wcwidth(wc); + } + return (n); +} + +int +prn_printable(const char *s) +{ + mbstate_t mbs; + wchar_t wc; + int i, n; + size_t clen; + + memset(&mbs, 0, sizeof(mbs)); + n = 0; + while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { + if (clen == (size_t)-1) { + putchar('?'); + s++; + n++; + memset(&mbs, 0, sizeof(mbs)); + continue; + } + if (clen == (size_t)-2) { + putchar('?'); + n++; + break; + } + if (!iswprint(wc)) { + putchar('?'); + s += clen; + n++; + continue; + } + for (i = 0; i < (int)clen; i++) + putchar((unsigned char)s[i]); + s += clen; + n += wcwidth(wc); + } + return (n); +} + +/* + * The fts system makes it difficult to replace fts_name with a different- + * sized string, so we just calculate the real length here and do the + * conversion in prn_octal() + * + * XXX when using f_octal_escape (-b) rather than f_octal (-B), the + * length computed by len_octal may be too big. I just can't be buggered + * to fix this as an efficient fix would involve a lookup table. Same goes + * for the rather inelegant code in prn_octal. + * + * DES 1998/04/23 + */ + +size_t +len_octal(const char *s, int len) +{ + mbstate_t mbs; + wchar_t wc; + size_t clen, r; + + memset(&mbs, 0, sizeof(mbs)); + r = 0; + while (len != 0 && (clen = mbrtowc(&wc, s, len, &mbs)) != 0) { + if (clen == (size_t)-1) { + r += 4; + s++; + len--; + memset(&mbs, 0, sizeof(mbs)); + continue; + } + if (clen == (size_t)-2) { + r += 4 * len; + break; + } + if (iswprint(wc)) + r++; + else + r += 4 * clen; + s += clen; + } + return (r); +} + +int +prn_octal(const char *s) +{ + static const char esc[] = "\\\\\"\"\aa\bb\ff\nn\rr\tt\vv"; + const char *p; + mbstate_t mbs; + wchar_t wc; + size_t clen; + unsigned char ch; + int goodchar, i, len, prtlen; + + memset(&mbs, 0, sizeof(mbs)); + len = 0; + while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { + goodchar = clen != (size_t)-1 && clen != (size_t)-2; + if (goodchar && iswprint(wc) && wc != L'\"' && wc != L'\\') { + for (i = 0; i < (int)clen; i++) + putchar((unsigned char)s[i]); + len += wcwidth(wc); + } else if (goodchar && f_octal_escape && wc >= 0 && + wc <= (wchar_t)UCHAR_MAX && + (p = strchr(esc, (char)wc)) != NULL) { + putchar('\\'); + putchar(p[1]); + len += 2; + } else { + if (goodchar) + prtlen = clen; + else if (clen == (size_t)-1) + prtlen = 1; + else + prtlen = strlen(s); + for (i = 0; i < prtlen; i++) { + ch = (unsigned char)s[i]; + putchar('\\'); + putchar('0' + (ch >> 6)); + putchar('0' + ((ch >> 3) & 7)); + putchar('0' + (ch & 7)); + len += 4; + } + } + if (clen == (size_t)-2) + break; + if (clen == (size_t)-1) { + memset(&mbs, 0, sizeof(mbs)); + s++; + } else + s += clen; + } + return (len); +} + +void +usage(void) +{ + (void)fprintf(stderr, +#ifdef COLORLS + "usage: ls [-@ABCFGHLOPRSTUWabcdefghiklmnopqrstuwx1%%]" +#else + "usage: ls [-@ABCFHLOPRSTUWabcdefghiklmnopqrstuwx1%%]" +#endif + " [file ...]\n"); + exit(1); +} |