6ab38b8e25
re-removes the printing of size for non-regular files, supports type-less root (.) entries as seen in a couple ports, and corrects a bug in -N that caused expanded Subversion $FreeBSD$ strings in comments to be processed as /etc/group entries. Includes one trivial portability fix (including <stdint.h> in three files) that has been submitted upstream but not yet committed. MFC after: 3 days
473 lines
13 KiB
C
473 lines
13 KiB
C
/* $NetBSD: create.c,v 1.71 2013/10/16 17:24:20 christos Exp $ */
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/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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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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* 3. 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 HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93";
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#else
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__RCSID("$NetBSD: create.c,v 1.71 2013/10/16 17:24:20 christos Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#if ! HAVE_NBTOOL_CONFIG_H
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#include <dirent.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdarg.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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#ifndef NO_MD5
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#include <md5.h>
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#endif
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#ifndef NO_RMD160
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#include <rmd160.h>
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#endif
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#ifndef NO_SHA1
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#include <sha1.h>
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#endif
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#ifndef NO_SHA2
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#include <sha2.h>
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#endif
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#include "extern.h"
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#define INDENTNAMELEN 15
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#define MAXLINELEN 80
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static gid_t gid;
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static uid_t uid;
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static mode_t mode;
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static u_long flags;
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#ifdef __FreeBSD__
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#define FTS_CONST const
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#else
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#define FTS_CONST
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#endif
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static int dcmp(const FTSENT *FTS_CONST *, const FTSENT *FTS_CONST *);
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static void output(int, int *, const char *, ...)
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__attribute__((__format__(__printf__, 3, 4)));
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static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *);
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static void statf(int, FTSENT *);
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void
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cwalk(void)
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{
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FTS *t;
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FTSENT *p;
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time_t clocktime;
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char host[MAXHOSTNAMELEN + 1];
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const char *user;
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char *argv[2];
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char dot[] = ".";
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int indent = 0;
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argv[0] = dot;
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argv[1] = NULL;
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time(&clocktime);
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gethostname(host, sizeof(host));
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host[sizeof(host) - 1] = '\0';
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if ((user = getlogin()) == NULL) {
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struct passwd *pw;
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user = (pw = getpwuid(getuid())) == NULL ? pw->pw_name :
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"<unknown>";
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}
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if (!nflag)
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printf(
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"#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n"
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"#\t date: %s",
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user, host, fullpath, ctime(&clocktime));
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if ((t = fts_open(argv, ftsoptions, dcmp)) == NULL)
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mtree_err("fts_open: %s", strerror(errno));
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while ((p = fts_read(t)) != NULL) {
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if (jflag)
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indent = p->fts_level * 4;
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if (check_excludes(p->fts_name, p->fts_path)) {
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fts_set(t, p, FTS_SKIP);
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continue;
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}
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if (!find_only(p->fts_path)) {
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fts_set(t, p, FTS_SKIP);
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continue;
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}
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switch(p->fts_info) {
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case FTS_D:
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if (!bflag)
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printf("\n");
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if (!nflag)
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printf("# %s\n", p->fts_path);
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statd(t, p, &uid, &gid, &mode, &flags);
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statf(indent, p);
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break;
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case FTS_DP:
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if (p->fts_level > 0)
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if (!nflag)
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printf("%*s# %s\n", indent, "",
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p->fts_path);
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if (p->fts_level > 0 || flavor == F_FREEBSD9) {
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printf("%*s..\n", indent, "");
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if (!bflag)
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printf("\n");
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}
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break;
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case FTS_DNR:
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case FTS_ERR:
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case FTS_NS:
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mtree_err("%s: %s",
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p->fts_path, strerror(p->fts_errno));
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break;
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default:
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if (!dflag)
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statf(indent, p);
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break;
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}
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}
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fts_close(t);
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if (sflag && keys & F_CKSUM)
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mtree_err("%s checksum: %u", fullpath, crc_total);
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}
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static void
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statf(int indent, FTSENT *p)
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{
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u_int32_t len, val;
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int fd, offset;
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const char *name = NULL;
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#if !defined(NO_MD5) || !defined(NO_RMD160) || !defined(NO_SHA1) || !defined(NO_SHA2)
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char *digestbuf;
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#endif
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offset = printf("%*s%s%s", indent, "",
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S_ISDIR(p->fts_statp->st_mode) ? "" : " ", vispath(p->fts_name));
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if (offset > (INDENTNAMELEN + indent))
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offset = MAXLINELEN;
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else
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offset += printf("%*s", (INDENTNAMELEN + indent) - offset, "");
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if (!S_ISREG(p->fts_statp->st_mode) && (flavor == F_NETBSD6 || !dflag))
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output(indent, &offset, "type=%s",
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inotype(p->fts_statp->st_mode));
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if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) {
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if (keys & F_UNAME &&
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(name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL)
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output(indent, &offset, "uname=%s", name);
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if (keys & F_UID || (keys & F_UNAME && name == NULL))
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output(indent, &offset, "uid=%u", p->fts_statp->st_uid);
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}
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if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) {
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if (keys & F_GNAME &&
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(name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL)
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output(indent, &offset, "gname=%s", name);
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if (keys & F_GID || (keys & F_GNAME && name == NULL))
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output(indent, &offset, "gid=%u", p->fts_statp->st_gid);
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}
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if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode)
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output(indent, &offset, "mode=%#o",
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p->fts_statp->st_mode & MBITS);
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if (keys & F_DEV &&
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(S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode)))
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output(indent, &offset, "device=%#jx",
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(uintmax_t)p->fts_statp->st_rdev);
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if (keys & F_NLINK && p->fts_statp->st_nlink != 1)
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output(indent, &offset, "nlink=%u", p->fts_statp->st_nlink);
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if (keys & F_SIZE &&
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(flavor == F_FREEBSD9 || S_ISREG(p->fts_statp->st_mode)))
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output(indent, &offset, "size=%ju",
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(uintmax_t)p->fts_statp->st_size);
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if (keys & F_TIME)
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#if defined(BSD4_4) && !defined(HAVE_NBTOOL_CONFIG_H)
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output(indent, &offset, "time=%jd.%09ld",
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(intmax_t)p->fts_statp->st_mtimespec.tv_sec,
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p->fts_statp->st_mtimespec.tv_nsec);
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#else
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output(indent, &offset, "time=%jd.%09ld",
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(intmax_t)p->fts_statp->st_mtime, (long)0);
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#endif
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if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) {
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if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 ||
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crc(fd, &val, &len))
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mtree_err("%s: %s", p->fts_accpath, strerror(errno));
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close(fd);
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output(indent, &offset, "cksum=%lu", (long)val);
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}
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#ifndef NO_MD5
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if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) {
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if ((digestbuf = MD5File(p->fts_accpath, NULL)) == NULL)
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mtree_err("%s: MD5File failed: %s", p->fts_accpath,
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strerror(errno));
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output(indent, &offset, "%s=%s", MD5KEY, digestbuf);
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free(digestbuf);
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}
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#endif /* ! NO_MD5 */
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#ifndef NO_RMD160
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if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) {
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if ((digestbuf = RMD160File(p->fts_accpath, NULL)) == NULL)
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mtree_err("%s: RMD160File failed: %s", p->fts_accpath,
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strerror(errno));
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output(indent, &offset, "%s=%s", RMD160KEY, digestbuf);
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free(digestbuf);
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}
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#endif /* ! NO_RMD160 */
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#ifndef NO_SHA1
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if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) {
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if ((digestbuf = SHA1File(p->fts_accpath, NULL)) == NULL)
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mtree_err("%s: SHA1File failed: %s", p->fts_accpath,
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strerror(errno));
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output(indent, &offset, "%s=%s", SHA1KEY, digestbuf);
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free(digestbuf);
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}
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#endif /* ! NO_SHA1 */
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#ifndef NO_SHA2
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if (keys & F_SHA256 && S_ISREG(p->fts_statp->st_mode)) {
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if ((digestbuf = SHA256_File(p->fts_accpath, NULL)) == NULL)
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mtree_err("%s: SHA256_File failed: %s", p->fts_accpath,
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strerror(errno));
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output(indent, &offset, "%s=%s", SHA256KEY, digestbuf);
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free(digestbuf);
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}
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#ifdef SHA384_BLOCK_LENGTH
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if (keys & F_SHA384 && S_ISREG(p->fts_statp->st_mode)) {
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if ((digestbuf = SHA384_File(p->fts_accpath, NULL)) == NULL)
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mtree_err("%s: SHA384_File failed: %s", p->fts_accpath,
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strerror(errno));
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output(indent, &offset, "%s=%s", SHA384KEY, digestbuf);
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free(digestbuf);
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}
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#endif
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if (keys & F_SHA512 && S_ISREG(p->fts_statp->st_mode)) {
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if ((digestbuf = SHA512_File(p->fts_accpath, NULL)) == NULL)
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mtree_err("%s: SHA512_File failed: %s", p->fts_accpath,
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strerror(errno));
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output(indent, &offset, "%s=%s", SHA512KEY, digestbuf);
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free(digestbuf);
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}
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#endif /* ! NO_SHA2 */
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if (keys & F_SLINK &&
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(p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE))
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output(indent, &offset, "link=%s",
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vispath(rlink(p->fts_accpath)));
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#if HAVE_STRUCT_STAT_ST_FLAGS
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if (keys & F_FLAGS && p->fts_statp->st_flags != flags) {
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char *str = flags_to_string(p->fts_statp->st_flags, "none");
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output(indent, &offset, "flags=%s", str);
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free(str);
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}
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#endif
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putchar('\n');
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}
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/* XXX
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* FLAGS2INDEX will fail once the user and system settable bits need more
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* than one byte, respectively.
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*/
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#define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff))
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#define MTREE_MAXGID 5000
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#define MTREE_MAXUID 5000
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#define MTREE_MAXMODE (MBITS + 1)
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#if HAVE_STRUCT_STAT_ST_FLAGS
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#define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */
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#else
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#define MTREE_MAXFLAGS 1
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#endif
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#define MTREE_MAXS 16
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static int
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statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode,
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u_long *pflags)
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{
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FTSENT *p;
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gid_t sgid;
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uid_t suid;
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mode_t smode;
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u_long sflags = 0;
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const char *name = NULL;
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gid_t savegid;
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uid_t saveuid;
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mode_t savemode;
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u_long saveflags;
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u_short maxgid, maxuid, maxmode, maxflags;
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u_short g[MTREE_MAXGID], u[MTREE_MAXUID],
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m[MTREE_MAXMODE], f[MTREE_MAXFLAGS];
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static int first = 1;
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savegid = *pgid;
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saveuid = *puid;
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savemode = *pmode;
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saveflags = *pflags;
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if ((p = fts_children(t, 0)) == NULL) {
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if (errno)
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mtree_err("%s: %s", RP(parent), strerror(errno));
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return (1);
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}
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memset(g, 0, sizeof(g));
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memset(u, 0, sizeof(u));
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memset(m, 0, sizeof(m));
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memset(f, 0, sizeof(f));
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maxuid = maxgid = maxmode = maxflags = 0;
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for (; p; p = p->fts_link) {
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if (flavor == F_NETBSD6 || !dflag ||
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(dflag && S_ISDIR(p->fts_statp->st_mode))) {
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smode = p->fts_statp->st_mode & MBITS;
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if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) {
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savemode = smode;
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maxmode = m[smode];
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}
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sgid = p->fts_statp->st_gid;
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if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) {
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savegid = sgid;
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maxgid = g[sgid];
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}
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suid = p->fts_statp->st_uid;
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if (suid < MTREE_MAXUID && ++u[suid] > maxuid) {
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saveuid = suid;
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maxuid = u[suid];
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}
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#if HAVE_STRUCT_STAT_ST_FLAGS
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sflags = FLAGS2INDEX(p->fts_statp->st_flags);
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if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) {
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saveflags = p->fts_statp->st_flags;
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maxflags = f[sflags];
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}
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#endif
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}
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}
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/*
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* If the /set record is the same as the last one we do not need to
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* output a new one. So first we check to see if anything changed.
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* Note that we always output a /set record for the first directory.
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*/
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if (((keys & (F_UNAME | F_UID)) && (*puid != saveuid)) ||
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((keys & (F_GNAME | F_GID)) && (*pgid != savegid)) ||
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((keys & F_MODE) && (*pmode != savemode)) ||
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((keys & F_FLAGS) && (*pflags != saveflags)) ||
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first) {
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first = 0;
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if (flavor != F_NETBSD6 && dflag)
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printf("/set type=dir");
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else
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printf("/set type=file");
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if (keys & (F_UID | F_UNAME)) {
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if (keys & F_UNAME &&
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(name = user_from_uid(saveuid, 1)) != NULL)
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printf(" uname=%s", name);
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if (keys & F_UID || (keys & F_UNAME && name == NULL))
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printf(" uid=%lu", (u_long)saveuid);
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}
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if (keys & (F_GID | F_GNAME)) {
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if (keys & F_GNAME &&
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(name = group_from_gid(savegid, 1)) != NULL)
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printf(" gname=%s", name);
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if (keys & F_GID || (keys & F_GNAME && name == NULL))
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printf(" gid=%lu", (u_long)savegid);
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}
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if (keys & F_MODE)
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printf(" mode=%#lo", (u_long)savemode);
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if (keys & F_NLINK)
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printf(" nlink=1");
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if (keys & F_FLAGS) {
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char *str = flags_to_string(saveflags, "none");
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printf(" flags=%s", str);
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free(str);
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}
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printf("\n");
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*puid = saveuid;
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*pgid = savegid;
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*pmode = savemode;
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*pflags = saveflags;
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}
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return (0);
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}
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/*
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* dcmp --
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* used as a comparison function passed to fts_open() to control
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* the order in which fts_read() returns results. We make
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* directories sort after non-directories, but otherwise sort in
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* strcmp() order.
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*
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* Keep this in sync with nodecmp() in spec.c.
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*/
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static int
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dcmp(const FTSENT *FTS_CONST *a, const FTSENT *FTS_CONST *b)
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{
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if (S_ISDIR((*a)->fts_statp->st_mode)) {
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if (!S_ISDIR((*b)->fts_statp->st_mode))
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return (1);
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} else if (S_ISDIR((*b)->fts_statp->st_mode))
|
|
return (-1);
|
|
return (strcmp((*a)->fts_name, (*b)->fts_name));
|
|
}
|
|
|
|
void
|
|
output(int indent, int *offset, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
char buf[1024];
|
|
|
|
va_start(ap, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (*offset + strlen(buf) > MAXLINELEN - 3) {
|
|
printf(" \\\n%*s", INDENTNAMELEN + indent, "");
|
|
*offset = INDENTNAMELEN + indent;
|
|
}
|
|
*offset += printf(" %s", buf) + 1;
|
|
}
|