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19fa1aa698
comparing a directory to an mtree file more compatible with fmtree when FreeBSD 9 compatiblity mode is on. This output is clearly intended for humans not computers, but some tools such as mergemaster's -U option rely on it. MFC after: 3 days
577 lines
15 KiB
C
577 lines
15 KiB
C
/* $NetBSD: compare.c,v 1.58 2013/11/21 18:39:50 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[] = "@(#)compare.c 8.1 (Berkeley) 6/6/93";
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#else
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__RCSID("$NetBSD: compare.c,v 1.58 2013/11/21 18:39:50 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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#include <errno.h>
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#include <fcntl.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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#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 8
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#define MARK \
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do { \
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if (flavor == F_FREEBSD9) { \
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len = printf("%s changed\n", RP(p)); \
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tab = "\t"; \
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} else { \
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len = printf("%s: ", RP(p)); \
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if (len > INDENTNAMELEN) { \
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tab = "\t"; \
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printf("\n"); \
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} else { \
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tab = ""; \
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printf("%*s", INDENTNAMELEN - (int)len, ""); \
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} \
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} \
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} while (0)
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#define LABEL if (!label++) MARK
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#if HAVE_STRUCT_STAT_ST_FLAGS
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#define CHANGEFLAGS \
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if (flags != p->fts_statp->st_flags) { \
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char *sf; \
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if (!label) { \
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MARK; \
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sf = flags_to_string(p->fts_statp->st_flags, "none"); \
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printf("%sflags (\"%s\"", tab, sf); \
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free(sf); \
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} \
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if (lchflags(p->fts_accpath, flags)) { \
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label++; \
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printf(", not modified: %s)\n", \
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strerror(errno)); \
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} else { \
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sf = flags_to_string(flags, "none"); \
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printf(", modified to \"%s\")\n", sf); \
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free(sf); \
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} \
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}
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/* SETFLAGS:
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* given pflags, additionally set those flags specified in s->st_flags and
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* selected by mask (the other flags are left unchanged).
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*/
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#define SETFLAGS(pflags, mask) \
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do { \
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flags = (s->st_flags & (mask)) | (pflags); \
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CHANGEFLAGS; \
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} while (0)
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/* CLEARFLAGS:
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* given pflags, reset the flags specified in s->st_flags and selected by mask
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* (the other flags are left unchanged).
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*/
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#define CLEARFLAGS(pflags, mask) \
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do { \
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flags = (~(s->st_flags & (mask)) & CH_MASK) & (pflags); \
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CHANGEFLAGS; \
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} while (0)
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#endif /* HAVE_STRUCT_STAT_ST_FLAGS */
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int
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compare(NODE *s, FTSENT *p)
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{
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u_int32_t len, val, flags;
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int fd, label;
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const char *cp, *tab;
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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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tab = NULL;
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label = 0;
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switch(s->type) {
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case F_BLOCK:
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if (!S_ISBLK(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_CHAR:
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if (!S_ISCHR(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_DIR:
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if (!S_ISDIR(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_FIFO:
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if (!S_ISFIFO(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_FILE:
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if (!S_ISREG(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_LINK:
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if (!S_ISLNK(p->fts_statp->st_mode))
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goto typeerr;
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break;
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#ifdef S_ISSOCK
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case F_SOCK:
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if (!S_ISSOCK(p->fts_statp->st_mode))
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goto typeerr;
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break;
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#endif
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typeerr: LABEL;
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printf(flavor == F_FREEBSD9 ?
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"\ttype expected %s found %s\n" : "\ttype (%s, %s)\n",
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nodetype(s->type), inotype(p->fts_statp->st_mode));
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return (label);
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}
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if (mtree_Wflag)
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goto afterpermwhack;
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#if HAVE_STRUCT_STAT_ST_FLAGS
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if (iflag && !uflag) {
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if (s->flags & F_FLAGS)
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SETFLAGS(p->fts_statp->st_flags, SP_FLGS);
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return (label);
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}
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if (mflag && !uflag) {
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if (s->flags & F_FLAGS)
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CLEARFLAGS(p->fts_statp->st_flags, SP_FLGS);
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return (label);
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}
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#endif
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if (s->flags & F_DEV &&
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(s->type == F_BLOCK || s->type == F_CHAR) &&
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s->st_rdev != p->fts_statp->st_rdev) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%sdevice expected %#jx found %#jx" :
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"%sdevice (%#jx, %#jx",
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tab, (uintmax_t)s->st_rdev,
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(uintmax_t)p->fts_statp->st_rdev);
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if (uflag) {
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if ((unlink(p->fts_accpath) == -1) ||
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(mknod(p->fts_accpath,
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s->st_mode | nodetoino(s->type),
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s->st_rdev) == -1) ||
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(lchown(p->fts_accpath, p->fts_statp->st_uid,
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p->fts_statp->st_gid) == -1) )
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printf(", not modified: %s%s\n",
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strerror(errno),
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flavor == F_FREEBSD9 ? "" : ")");
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else
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printf(", modified%s\n",
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flavor == F_FREEBSD9 ? "" : ")");
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} else
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printf(")\n");
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tab = "\t";
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}
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/* Set the uid/gid first, then set the mode. */
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if (s->flags & (F_UID | F_UNAME) && s->st_uid != p->fts_statp->st_uid) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%suser expected %lu found %lu" : "%suser (%lu, %lu",
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tab, (u_long)s->st_uid, (u_long)p->fts_statp->st_uid);
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if (uflag) {
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if (lchown(p->fts_accpath, s->st_uid, -1))
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printf(", not modified: %s%s\n",
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strerror(errno),
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flavor == F_FREEBSD9 ? "" : ")");
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else
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printf(", modified%s\n",
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flavor == F_FREEBSD9 ? "" : ")");
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} else
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printf(")\n");
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tab = "\t";
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}
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if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%sgid expected %lu found %lu" : "%sgid (%lu, %lu",
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tab, (u_long)s->st_gid, (u_long)p->fts_statp->st_gid);
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if (uflag) {
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if (lchown(p->fts_accpath, -1, s->st_gid))
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printf(", not modified: %s%s\n",
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strerror(errno),
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flavor == F_FREEBSD9 ? "" : ")");
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else
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printf(", modified%s\n",
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flavor == F_FREEBSD9 ? "" : ")");
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}
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else
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printf(")\n");
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tab = "\t";
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}
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if (s->flags & F_MODE &&
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s->st_mode != (p->fts_statp->st_mode & MBITS)) {
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if (lflag) {
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mode_t tmode, mode;
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tmode = s->st_mode;
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mode = p->fts_statp->st_mode & MBITS;
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/*
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* if none of the suid/sgid/etc bits are set,
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* then if the mode is a subset of the target,
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* skip.
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*/
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if (!((tmode & ~(S_IRWXU|S_IRWXG|S_IRWXO)) ||
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(mode & ~(S_IRWXU|S_IRWXG|S_IRWXO))))
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if ((mode | tmode) == tmode)
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goto skip;
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}
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%spermissions expcted %#lo found %#lo" :
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"%spermissions (%#lo, %#lo",
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tab, (u_long)s->st_mode,
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(u_long)p->fts_statp->st_mode & MBITS);
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if (uflag) {
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if (lchmod(p->fts_accpath, s->st_mode))
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printf(", not modified: %s%s\n",
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strerror(errno),
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flavor == F_FREEBSD9 ? "" : ")");
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else
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printf(", modified%s\n",
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flavor == F_FREEBSD9 ? "" : ")");
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}
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else
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printf(")\n");
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tab = "\t";
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skip: ;
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}
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if (s->flags & F_NLINK && s->type != F_DIR &&
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s->st_nlink != p->fts_statp->st_nlink) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%slink count expected %lu found %lu\n" :
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"%slink count (%lu, %lu)\n",
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tab, (u_long)s->st_nlink, (u_long)p->fts_statp->st_nlink);
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tab = "\t";
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}
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if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%ssize expected %ju found %ju\n" : "%ssize (%ju, %ju)\n",
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tab, (uintmax_t)s->st_size,
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(uintmax_t)p->fts_statp->st_size);
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tab = "\t";
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}
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/*
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* XXX
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* Since utimes(2) only takes a timeval, there's no point in
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* comparing the low bits of the timespec nanosecond field. This
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* will only result in mismatches that we can never fix.
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*
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* Doesn't display microsecond differences.
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*/
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if (s->flags & F_TIME) {
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struct timeval tv[2];
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struct stat *ps = p->fts_statp;
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time_t smtime = s->st_mtimespec.tv_sec;
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#if defined(BSD4_4) && !defined(HAVE_NBTOOL_CONFIG_H)
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time_t pmtime = ps->st_mtimespec.tv_sec;
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TIMESPEC_TO_TIMEVAL(&tv[0], &s->st_mtimespec);
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TIMESPEC_TO_TIMEVAL(&tv[1], &ps->st_mtimespec);
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#else
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time_t pmtime = (time_t)ps->st_mtime;
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tv[0].tv_sec = smtime;
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tv[0].tv_usec = 0;
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tv[1].tv_sec = pmtime;
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tv[1].tv_usec = 0;
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#endif
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if (tv[0].tv_sec != tv[1].tv_sec ||
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tv[0].tv_usec != tv[1].tv_usec) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%smodification time expected %.24s found " :
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"%smodification time (%.24s, ",
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tab, ctime(&smtime));
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printf("%.24s", ctime(&pmtime));
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if (tflag) {
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tv[1] = tv[0];
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if (utimes(p->fts_accpath, tv))
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printf(", not modified: %s%s\n",
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strerror(errno),
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flavor == F_FREEBSD9 ? "" : ")");
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else
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printf(", modified%s\n",
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flavor == F_FREEBSD9 ? "" : ")");
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} else
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printf("%s\n", flavor == F_FREEBSD9 ? "" : ")");
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tab = "\t";
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}
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}
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#if HAVE_STRUCT_STAT_ST_FLAGS
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/*
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* XXX
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* since lchflags(2) will reset file times, the utimes() above
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* may have been useless! oh well, we'd rather have correct
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* flags, rather than times?
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*/
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if ((s->flags & F_FLAGS) && ((s->st_flags != p->fts_statp->st_flags)
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|| mflag || iflag)) {
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if (s->st_flags != p->fts_statp->st_flags) {
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char *f_s;
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LABEL;
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f_s = flags_to_string(s->st_flags, "none");
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printf(flavor == F_FREEBSD9 ?
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"%sflags expected \"%s\" found " :
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"%sflags (\"%s\" is not ", tab, f_s);
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free(f_s);
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f_s = flags_to_string(p->fts_statp->st_flags, "none");
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printf("\"%s\"", f_s);
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free(f_s);
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}
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if (uflag) {
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if (iflag)
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SETFLAGS(0, CH_MASK);
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else if (mflag)
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CLEARFLAGS(0, SP_FLGS);
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else
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SETFLAGS(0, (~SP_FLGS & CH_MASK));
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} else
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printf("%s\n", flavor == F_FREEBSD9 ? "" : ")");
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tab = "\t";
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}
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#endif /* HAVE_STRUCT_STAT_ST_FLAGS */
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/*
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* from this point, no more permission checking or whacking
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* occurs, only checking of stuff like checksums and symlinks.
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*/
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afterpermwhack:
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if (s->flags & F_CKSUM) {
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if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0) {
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LABEL;
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printf("%scksum: %s: %s\n",
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tab, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else if (crc(fd, &val, &len)) {
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close(fd);
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LABEL;
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printf("%scksum: %s: %s\n",
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tab, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else {
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close(fd);
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if (s->cksum != val) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%scksum expected %lu found %lu\n" :
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"%scksum (%lu, %lu)\n",
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tab, s->cksum, (unsigned long)val);
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}
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tab = "\t";
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}
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}
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#ifndef NO_MD5
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if (s->flags & F_MD5) {
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if ((digestbuf = MD5File(p->fts_accpath, NULL)) == NULL) {
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LABEL;
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printf("%s%s: %s: %s\n",
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tab, MD5KEY, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else {
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if (strcmp(s->md5digest, digestbuf)) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%s%s expected %s found %s\n" :
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"%s%s (0x%s, 0x%s)\n",
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tab, MD5KEY, s->md5digest, digestbuf);
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}
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tab = "\t";
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free(digestbuf);
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}
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}
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#endif /* ! NO_MD5 */
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#ifndef NO_RMD160
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if (s->flags & F_RMD160) {
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if ((digestbuf = RMD160File(p->fts_accpath, NULL)) == NULL) {
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LABEL;
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printf("%s%s: %s: %s\n",
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tab, RMD160KEY, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else {
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if (strcmp(s->rmd160digest, digestbuf)) {
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LABEL;
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printf(flavor == F_FREEBSD9 ?
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"%s%s expected %s found %s\n" :
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"%s%s (0x%s, 0x%s)\n",
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tab, RMD160KEY, s->rmd160digest, digestbuf);
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}
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tab = "\t";
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free(digestbuf);
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}
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}
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#endif /* ! NO_RMD160 */
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#ifndef NO_SHA1
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if (s->flags & F_SHA1) {
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if ((digestbuf = SHA1File(p->fts_accpath, NULL)) == NULL) {
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LABEL;
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printf("%s%s: %s: %s\n",
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tab, SHA1KEY, p->fts_accpath, strerror(errno));
|
|
tab = "\t";
|
|
} else {
|
|
if (strcmp(s->sha1digest, digestbuf)) {
|
|
LABEL;
|
|
printf(flavor == F_FREEBSD9 ?
|
|
"%s%s expected %s found %s\n" :
|
|
"%s%s (0x%s, 0x%s)\n",
|
|
tab, SHA1KEY, s->sha1digest, digestbuf);
|
|
}
|
|
tab = "\t";
|
|
free(digestbuf);
|
|
}
|
|
}
|
|
#endif /* ! NO_SHA1 */
|
|
#ifndef NO_SHA2
|
|
if (s->flags & F_SHA256) {
|
|
if ((digestbuf = SHA256_File(p->fts_accpath, NULL)) == NULL) {
|
|
LABEL;
|
|
printf("%s%s: %s: %s\n",
|
|
tab, SHA256KEY, p->fts_accpath, strerror(errno));
|
|
tab = "\t";
|
|
} else {
|
|
if (strcmp(s->sha256digest, digestbuf)) {
|
|
LABEL;
|
|
printf(flavor == F_FREEBSD9 ?
|
|
"%s%s expected %s found %s\n" :
|
|
"%s%s (0x%s, 0x%s)\n",
|
|
tab, SHA256KEY, s->sha256digest, digestbuf);
|
|
}
|
|
tab = "\t";
|
|
free(digestbuf);
|
|
}
|
|
}
|
|
#ifdef SHA384_BLOCK_LENGTH
|
|
if (s->flags & F_SHA384) {
|
|
if ((digestbuf = SHA384_File(p->fts_accpath, NULL)) == NULL) {
|
|
LABEL;
|
|
printf("%s%s: %s: %s\n",
|
|
tab, SHA384KEY, p->fts_accpath, strerror(errno));
|
|
tab = "\t";
|
|
} else {
|
|
if (strcmp(s->sha384digest, digestbuf)) {
|
|
LABEL;
|
|
printf(flavor == F_FREEBSD9 ?
|
|
"%s%s expected %s found %s\n" :
|
|
"%s%s (0x%s, 0x%s)\n",
|
|
tab, SHA384KEY, s->sha384digest, digestbuf);
|
|
}
|
|
tab = "\t";
|
|
free(digestbuf);
|
|
}
|
|
}
|
|
#endif
|
|
if (s->flags & F_SHA512) {
|
|
if ((digestbuf = SHA512_File(p->fts_accpath, NULL)) == NULL) {
|
|
LABEL;
|
|
printf("%s%s: %s: %s\n",
|
|
tab, SHA512KEY, p->fts_accpath, strerror(errno));
|
|
tab = "\t";
|
|
} else {
|
|
if (strcmp(s->sha512digest, digestbuf)) {
|
|
LABEL;
|
|
printf(flavor == F_FREEBSD9 ?
|
|
"%s%s expected %s found %s\n" :
|
|
"%s%s (0x%s, 0x%s)\n",
|
|
tab, SHA512KEY, s->sha512digest, digestbuf);
|
|
}
|
|
tab = "\t";
|
|
free(digestbuf);
|
|
}
|
|
}
|
|
#endif /* ! NO_SHA2 */
|
|
if (s->flags & F_SLINK &&
|
|
strcmp(cp = rlink(p->fts_accpath), s->slink)) {
|
|
LABEL;
|
|
printf(flavor == F_FREEBSD9 ?
|
|
"%slink ref expected %s found %s" :
|
|
"%slink ref (%s, %s", tab, cp, s->slink);
|
|
if (uflag) {
|
|
if ((unlink(p->fts_accpath) == -1) ||
|
|
(symlink(s->slink, p->fts_accpath) == -1) )
|
|
printf(", not modified: %s%s\n",
|
|
strerror(errno),
|
|
flavor == F_FREEBSD9 ? "" : ")");
|
|
else
|
|
printf(", modified%s\n",
|
|
flavor == F_FREEBSD9 ? "" : ")");
|
|
} else
|
|
printf("%s\n", flavor == F_FREEBSD9 ? "" : ")");
|
|
}
|
|
return (label);
|
|
}
|
|
|
|
const char *
|
|
rlink(const char *name)
|
|
{
|
|
static char lbuf[MAXPATHLEN];
|
|
int len;
|
|
|
|
if ((len = readlink(name, lbuf, sizeof(lbuf) - 1)) == -1)
|
|
mtree_err("%s: %s", name, strerror(errno));
|
|
lbuf[len] = '\0';
|
|
return (lbuf);
|
|
}
|