* Add whitespace trimming to some fields (username, group, size, inode, blocks) to avoid whitespace in JSON strings * fix -m mode, was invalid JSON (repeated keys), and was missing outer array container * in -n mode, numeric uids and gids were returned as strings Approved by: eadler (mentor) Sponsored by: ScaleEngine Inc. Differential Revision: https://reviews.freebsd.org/D2854
762 lines
17 KiB
C
762 lines
17 KiB
C
/*-
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* Copyright (c) 1989, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Michael Fischbein.
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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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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/acl.h>
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#include <err.h>
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#include <errno.h>
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#include <fts.h>
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#include <langinfo.h>
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#include <libutil.h>
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#include <stdio.h>
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#include <stdint.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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#ifdef COLORLS
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#include <ctype.h>
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#include <termcap.h>
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#include <signal.h>
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#endif
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#include <libxo/xo.h>
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#include "ls.h"
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#include "extern.h"
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static int printaname(const FTSENT *, u_long, u_long);
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static void printdev(size_t, dev_t);
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static void printlink(const FTSENT *);
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static void printtime(const char *, time_t);
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static int printtype(u_int);
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static void printsize(const char *, size_t, off_t);
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#ifdef COLORLS
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static void endcolor(int);
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static int colortype(mode_t);
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#endif
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static void aclmode(char *, const FTSENT *);
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#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
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#ifdef COLORLS
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/* Most of these are taken from <sys/stat.h> */
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typedef enum Colors {
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C_DIR, /* directory */
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C_LNK, /* symbolic link */
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C_SOCK, /* socket */
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C_FIFO, /* pipe */
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C_EXEC, /* executable */
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C_BLK, /* block special */
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C_CHR, /* character special */
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C_SUID, /* setuid executable */
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C_SGID, /* setgid executable */
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C_WSDIR, /* directory writeble to others, with sticky
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* bit */
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C_WDIR, /* directory writeble to others, without
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* sticky bit */
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C_NUMCOLORS /* just a place-holder */
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} Colors;
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static const char *defcolors = "exfxcxdxbxegedabagacad";
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/* colors for file types */
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static struct {
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int num[2];
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int bold;
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} colors[C_NUMCOLORS];
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#endif
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void
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printscol(const DISPLAY *dp)
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{
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FTSENT *p;
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xo_open_list("entry");
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for (p = dp->list; p; p = p->fts_link) {
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if (IS_NOPRINT(p))
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continue;
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xo_open_instance("entry");
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(void)printaname(p, dp->s_inode, dp->s_block);
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xo_close_instance("entry");
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xo_emit("\n");
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}
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xo_close_list("entry");
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}
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/*
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* print name in current style
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*/
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int
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printname(const char *field, const char *name)
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{
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char fmt[BUFSIZ];
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char *s = getname(name);
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int rc;
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snprintf(fmt, sizeof(fmt), "{:%s/%%hs}", field);
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rc = xo_emit(fmt, s);
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free(s);
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return rc;
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}
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/*
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* print name in current style
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*/
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char *
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getname(const char *name)
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{
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if (f_octal || f_octal_escape)
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return get_octal(name);
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else if (f_nonprint)
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return get_printable(name);
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else
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return strdup(name);
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}
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void
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printlong(const DISPLAY *dp)
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{
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struct stat *sp;
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FTSENT *p;
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NAMES *np;
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char buf[20];
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#ifdef COLORLS
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int color_printed = 0;
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#endif
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if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
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(f_longform || f_size)) {
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xo_emit("{L:total} {:total-blocks/%lu}\n",
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howmany(dp->btotal, blocksize));
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}
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xo_open_list("entry");
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for (p = dp->list; p; p = p->fts_link) {
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char *name, *type;
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if (IS_NOPRINT(p))
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continue;
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xo_open_instance("entry");
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sp = p->fts_statp;
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name = getname(p->fts_name);
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if (name)
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xo_emit("{ke:name/%hs}", name);
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if (f_inode)
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xo_emit("{t:inode/%*ju} ",
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dp->s_inode, (uintmax_t)sp->st_ino);
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if (f_size)
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xo_emit("{t:blocks/%*jd} ",
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dp->s_block, howmany(sp->st_blocks, blocksize));
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strmode(sp->st_mode, buf);
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aclmode(buf, p);
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np = p->fts_pointer;
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xo_attr("value", "%03o", (int) sp->st_mode & ALLPERMS);
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if (f_numericonly) {
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xo_emit("{t:mode/%s}{e:mode_octal/%03o} {t:links/%*u} {td:user/%-*s}{e:user/%ju} {td:group/%-*s}{e:group/%ju} ",
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buf, (int) sp->st_mode & ALLPERMS, dp->s_nlink, sp->st_nlink,
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dp->s_user, np->user, sp->st_uid, dp->s_group, np->group, sp->st_gid);
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} else {
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xo_emit("{t:mode/%s}{e:mode_octal/%03o} {t:links/%*u} {t:user/%-*s} {t:group/%-*s} ",
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buf, (int) sp->st_mode & ALLPERMS, dp->s_nlink, sp->st_nlink,
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dp->s_user, np->user, dp->s_group, np->group);
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}
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if (S_ISBLK(sp->st_mode))
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asprintf(&type, "block");
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if (S_ISCHR(sp->st_mode))
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asprintf(&type, "character");
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if (S_ISDIR(sp->st_mode))
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asprintf(&type, "directory");
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if (S_ISFIFO(sp->st_mode))
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asprintf(&type, "fifo");
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if (S_ISLNK(sp->st_mode))
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asprintf(&type, "symlink");
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if (S_ISREG(sp->st_mode))
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asprintf(&type, "regular");
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if (S_ISSOCK(sp->st_mode))
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asprintf(&type, "socket");
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if (S_ISWHT(sp->st_mode))
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asprintf(&type, "whiteout");
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xo_emit("{e:type/%s}", type);
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free(type);
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if (f_flags)
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xo_emit("{:flags/%-*s} ", dp->s_flags, np->flags);
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if (f_label)
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xo_emit("{t:label/%-*s} ", dp->s_label, np->label);
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if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
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printdev(dp->s_size, sp->st_rdev);
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else
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printsize("size", dp->s_size, sp->st_size);
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if (f_accesstime)
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printtime("access-time", sp->st_atime);
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else if (f_birthtime)
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printtime("birth-time", sp->st_birthtime);
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else if (f_statustime)
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printtime("change-time", sp->st_ctime);
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else
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printtime("modify-time", sp->st_mtime);
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#ifdef COLORLS
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if (f_color)
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color_printed = colortype(sp->st_mode);
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#endif
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if (name) {
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xo_emit("{dk:name/%hs}", name);
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free(name);
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}
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#ifdef COLORLS
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if (f_color && color_printed)
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endcolor(0);
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#endif
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if (f_type)
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(void)printtype(sp->st_mode);
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if (S_ISLNK(sp->st_mode))
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printlink(p);
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xo_close_instance("entry");
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xo_emit("\n");
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}
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xo_close_list("entry");
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}
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void
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printstream(const DISPLAY *dp)
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{
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FTSENT *p;
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int chcnt;
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xo_open_list("entry");
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for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
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if (p->fts_number == NO_PRINT)
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continue;
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/* XXX strlen does not take octal escapes into account. */
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if (strlen(p->fts_name) + chcnt +
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(p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
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xo_emit("\n");
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chcnt = 0;
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}
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xo_open_instance("file");
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chcnt += printaname(p, dp->s_inode, dp->s_block);
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xo_close_instance("file");
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if (p->fts_link) {
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xo_emit(", ");
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chcnt += 2;
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}
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}
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xo_close_list("entry");
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if (chcnt)
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xo_emit("\n");
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}
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void
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printcol(const DISPLAY *dp)
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{
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static FTSENT **array;
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static int lastentries = -1;
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FTSENT *p;
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FTSENT **narray;
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int base;
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int chcnt;
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int cnt;
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int col;
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int colwidth;
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int endcol;
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int num;
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int numcols;
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int numrows;
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int row;
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int tabwidth;
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if (f_notabs)
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tabwidth = 1;
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else
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tabwidth = 8;
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/*
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* Have to do random access in the linked list -- build a table
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* of pointers.
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*/
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if (dp->entries > lastentries) {
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if ((narray =
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realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
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printscol(dp);
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return;
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}
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lastentries = dp->entries;
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array = narray;
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}
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for (p = dp->list, num = 0; p; p = p->fts_link)
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if (p->fts_number != NO_PRINT)
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array[num++] = p;
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colwidth = dp->maxlen;
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if (f_inode)
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colwidth += dp->s_inode + 1;
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if (f_size)
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colwidth += dp->s_block + 1;
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if (f_type)
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colwidth += 1;
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colwidth = (colwidth + tabwidth) & ~(tabwidth - 1);
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if (termwidth < 2 * colwidth) {
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printscol(dp);
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return;
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}
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numcols = termwidth / colwidth;
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numrows = num / numcols;
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if (num % numcols)
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++numrows;
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if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
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(f_longform || f_size)) {
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xo_emit("{L:total} {:total-blocks/%lu}\n",
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howmany(dp->btotal, blocksize));
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}
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xo_open_list("entry");
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base = 0;
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for (row = 0; row < numrows; ++row) {
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endcol = colwidth;
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if (!f_sortacross)
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base = row;
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for (col = 0, chcnt = 0; col < numcols; ++col) {
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xo_open_instance("entry");
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chcnt += printaname(array[base], dp->s_inode,
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dp->s_block);
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xo_close_instance("entry");
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if (f_sortacross)
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base++;
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else
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base += numrows;
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if (base >= num)
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break;
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while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
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<= endcol) {
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if (f_sortacross && col + 1 >= numcols)
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break;
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xo_emit(f_notabs ? " " : "\t");
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chcnt = cnt;
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}
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endcol += colwidth;
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}
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xo_emit("\n");
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}
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xo_close_list("entry");
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}
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/*
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* print [inode] [size] name
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* return # of characters printed, no trailing characters.
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*/
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static int
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printaname(const FTSENT *p, u_long inodefield, u_long sizefield)
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{
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struct stat *sp;
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int chcnt;
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#ifdef COLORLS
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int color_printed = 0;
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#endif
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sp = p->fts_statp;
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chcnt = 0;
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if (f_inode)
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chcnt += xo_emit("{t:inode/%*ju} ",
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(int)inodefield, (uintmax_t)sp->st_ino);
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if (f_size)
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chcnt += xo_emit("{t:size/%*jd} ",
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(int)sizefield, howmany(sp->st_blocks, blocksize));
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#ifdef COLORLS
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if (f_color)
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color_printed = colortype(sp->st_mode);
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#endif
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chcnt += printname("name", p->fts_name);
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#ifdef COLORLS
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if (f_color && color_printed)
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endcolor(0);
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#endif
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if (f_type)
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chcnt += printtype(sp->st_mode);
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return (chcnt);
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}
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/*
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* Print device special file major and minor numbers.
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*/
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static void
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printdev(size_t width, dev_t dev)
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{
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xo_emit("{:device/%#*jx} ", (u_int)width, (uintmax_t)dev);
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}
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static void
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printtime(const char *field, time_t ftime)
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{
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char longstring[80];
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char fmt[BUFSIZ];
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static time_t now = 0;
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const char *format;
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static int d_first = -1;
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if (d_first < 0)
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d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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if (now == 0)
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now = time(NULL);
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#define SIXMONTHS ((365 / 2) * 86400)
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if (f_timeformat) /* user specified format */
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format = f_timeformat;
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else if (f_sectime)
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/* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */
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format = d_first ? "%e %b %T %Y" : "%b %e %T %Y";
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else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS)
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/* mmm dd hh:mm || dd mmm hh:mm */
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format = d_first ? "%e %b %R" : "%b %e %R";
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else
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/* mmm dd yyyy || dd mmm yyyy */
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format = d_first ? "%e %b %Y" : "%b %e %Y";
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strftime(longstring, sizeof(longstring), format, localtime(&ftime));
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snprintf(fmt, sizeof(fmt), "{d:%s/%%hs} ", field);
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xo_attr("value", "%ld", (long) ftime);
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xo_emit(fmt, longstring);
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snprintf(fmt, sizeof(fmt), "{en:%s/%%ld} ", field);
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xo_emit(fmt, (long) ftime);
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}
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static int
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printtype(u_int mode)
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{
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if (f_slash) {
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if ((mode & S_IFMT) == S_IFDIR) {
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xo_emit("{D:\\/}{e:type/directory}");
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return (1);
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}
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return (0);
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}
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switch (mode & S_IFMT) {
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case S_IFDIR:
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xo_emit("{D:/\\/}{e:type/directory}");
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return (1);
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case S_IFIFO:
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xo_emit("{D:|}{e:type/fifo}");
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return (1);
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case S_IFLNK:
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xo_emit("{D:@}{e:type/link}");
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return (1);
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case S_IFSOCK:
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xo_emit("{D:=}{e:type/socket}");
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return (1);
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case S_IFWHT:
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xo_emit("{D:%}{e:type/whiteout}");
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return (1);
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default:
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break;
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}
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if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
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xo_emit("{D:*}{e:executable/}");
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return (1);
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}
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return (0);
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}
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#ifdef COLORLS
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static int
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putch(int c)
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{
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xo_emit("{D:/%c}", c);
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return 0;
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|
}
|
|
|
|
static int
|
|
writech(int c)
|
|
{
|
|
char tmp = (char)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);
|
|
default:;
|
|
}
|
|
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;
|
|
size_t len;
|
|
char c[2];
|
|
short legacy_warn = 0;
|
|
|
|
if (cs == NULL)
|
|
cs = ""; /* LSCOLORS not set */
|
|
len = strlen(cs);
|
|
for (i = 0; i < (int)C_NUMCOLORS; i++) {
|
|
colors[i].bold = 0;
|
|
|
|
if (len <= 2 * (size_t)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) {
|
|
xo_warnx("LSCOLORS should use "
|
|
"characters a-h instead of 0-9 ("
|
|
"see the manual page)");
|
|
}
|
|
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 {
|
|
xo_warnx("invalid character '%c' in LSCOLORS"
|
|
" env var", 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(const 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) {
|
|
xo_error("\nls: %s: %s\n", name, strerror(errno));
|
|
return;
|
|
}
|
|
path[lnklen] = '\0';
|
|
xo_emit(" -> ");
|
|
(void)printname("target", path);
|
|
}
|
|
|
|
static void
|
|
printsize(const char *field, size_t width, off_t bytes)
|
|
{
|
|
char fmt[BUFSIZ];
|
|
|
|
if (f_humanval) {
|
|
/*
|
|
* Reserve one space before the size and allocate room for
|
|
* the trailing '\0'.
|
|
*/
|
|
char buf[HUMANVALSTR_LEN - 1 + 1];
|
|
|
|
humanize_number(buf, sizeof(buf), (int64_t)bytes, "",
|
|
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
|
|
snprintf(fmt, sizeof(fmt), "{:%s/%%%ds} ", field, (int) width);
|
|
xo_attr("value", "%jd", (intmax_t) bytes);
|
|
xo_emit(fmt, buf);
|
|
} else { /* with commas */
|
|
/* This format assignment needed to work round gcc bug. */
|
|
snprintf(fmt, sizeof(fmt), "{:%s/%%%dj%sd} ",
|
|
field, (int) width, f_thousands ? "'" : "");
|
|
xo_emit(fmt, (intmax_t) bytes);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add a + after the standard rwxrwxrwx mode if the file has an
|
|
* ACL. strmode() reserves space at the end of the string.
|
|
*/
|
|
static void
|
|
aclmode(char *buf, const FTSENT *p)
|
|
{
|
|
char name[MAXPATHLEN + 1];
|
|
int ret, trivial;
|
|
static dev_t previous_dev = NODEV;
|
|
static int supports_acls = -1;
|
|
static int type = ACL_TYPE_ACCESS;
|
|
acl_t facl;
|
|
|
|
/*
|
|
* XXX: ACLs are not supported on whiteouts and device files
|
|
* residing on UFS.
|
|
*/
|
|
if (S_ISCHR(p->fts_statp->st_mode) || S_ISBLK(p->fts_statp->st_mode) ||
|
|
S_ISWHT(p->fts_statp->st_mode))
|
|
return;
|
|
|
|
if (previous_dev == p->fts_statp->st_dev && supports_acls == 0)
|
|
return;
|
|
|
|
if (p->fts_level == FTS_ROOTLEVEL)
|
|
snprintf(name, sizeof(name), "%s", p->fts_name);
|
|
else
|
|
snprintf(name, sizeof(name), "%s/%s",
|
|
p->fts_parent->fts_accpath, p->fts_name);
|
|
|
|
if (previous_dev != p->fts_statp->st_dev) {
|
|
previous_dev = p->fts_statp->st_dev;
|
|
supports_acls = 0;
|
|
|
|
ret = lpathconf(name, _PC_ACL_NFS4);
|
|
if (ret > 0) {
|
|
type = ACL_TYPE_NFS4;
|
|
supports_acls = 1;
|
|
} else if (ret < 0 && errno != EINVAL) {
|
|
xo_warn("%s", name);
|
|
return;
|
|
}
|
|
if (supports_acls == 0) {
|
|
ret = lpathconf(name, _PC_ACL_EXTENDED);
|
|
if (ret > 0) {
|
|
type = ACL_TYPE_ACCESS;
|
|
supports_acls = 1;
|
|
} else if (ret < 0 && errno != EINVAL) {
|
|
xo_warn("%s", name);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
if (supports_acls == 0)
|
|
return;
|
|
facl = acl_get_link_np(name, type);
|
|
if (facl == NULL) {
|
|
xo_warn("%s", name);
|
|
return;
|
|
}
|
|
if (acl_is_trivial_np(facl, &trivial)) {
|
|
acl_free(facl);
|
|
xo_warn("%s", name);
|
|
return;
|
|
}
|
|
if (!trivial)
|
|
buf[10] = '+';
|
|
acl_free(facl);
|
|
}
|