361 lines
9.7 KiB
C
361 lines
9.7 KiB
C
/* $NetBSD: create.c,v 1.25 1999/12/01 22:12:52 wennmach 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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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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#include <sys/cdefs.h>
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#ifndef 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 1.25 1999/12/01 22:12:52 wennmach 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 <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fts.h>
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#include <grp.h>
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#include <md5.h>
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#include <pwd.h>
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#include <stdio.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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#include <vis.h>
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#include "mtree.h"
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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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#define VISFLAGS VIS_CSTYLE
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extern int crc_total, ftsoptions;
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extern int dflag, sflag;
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extern int keys;
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extern char fullpath[MAXPATHLEN];
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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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static char codebuf[4*MAXPATHLEN + 1];
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static const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' };
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static int dsort __P((const FTSENT **, const FTSENT **));
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static void output __P((int *, const char *, ...));
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static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *,
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u_long *));
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static void statf __P((FTSENT *));
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void
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cwalk()
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{
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FTS *t;
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FTSENT *p;
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time_t clock;
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char *argv[2], host[MAXHOSTNAMELEN + 1];
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(void)time(&clock);
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(void)gethostname(host, sizeof(host));
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host[sizeof(host) - 1] = '\0';
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(void)printf(
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"#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s",
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getlogin(), host, fullpath, ctime(&clock));
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argv[0] = ".";
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argv[1] = NULL;
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if ((t = fts_open(argv, ftsoptions, dsort)) == 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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switch(p->fts_info) {
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case FTS_D:
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(void)printf("\n# %s\n", p->fts_path);
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statd(t, p, &uid, &gid, &mode, &flags);
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statf(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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(void)printf("# %s\n..\n\n", p->fts_path);
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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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(void)fprintf(stderr,
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"mtree: %s: %s\n", p->fts_path, strerror(errno));
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break;
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default:
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if (!dflag)
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statf(p);
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break;
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}
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(void)fts_close(t);
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if (sflag && keys & F_CKSUM)
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(void)fprintf(stderr,
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"mtree: %s checksum: %u\n", fullpath, crc_total);
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}
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static void
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statf(p)
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FTSENT *p;
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{
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struct group *gr;
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struct passwd *pw;
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u_int32_t len, val;
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int fd, indent;
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char md5buf[33], *md5cp;
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strsvis(codebuf, p->fts_name, VISFLAGS, extra);
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if (S_ISDIR(p->fts_statp->st_mode))
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indent = printf("%s", codebuf);
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else
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indent = printf(" %s", codebuf);
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if (indent > INDENTNAMELEN)
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indent = MAXLINELEN;
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else
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indent += printf("%*s", INDENTNAMELEN - indent, "");
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if (!S_ISREG(p->fts_statp->st_mode))
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output(&indent, "type=%s", 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 && (pw = getpwuid(p->fts_statp->st_uid)))
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output(&indent, "uname=%s", pw->pw_name);
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else /* if (keys & F_UID) */
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output(&indent, "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 && (gr = getgrgid(p->fts_statp->st_gid)))
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output(&indent, "gname=%s", gr->gr_name);
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else /* if (keys & F_GID) */
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output(&indent, "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, "mode=%#o", p->fts_statp->st_mode & MBITS);
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if (keys & F_NLINK && p->fts_statp->st_nlink != 1)
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output(&indent, "nlink=%u", p->fts_statp->st_nlink);
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if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode))
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output(&indent, "size=%qd", p->fts_statp->st_size);
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#ifndef __APPLE__
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# ifdef BSD4_4
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if (keys & F_TIME)
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output(&indent, "time=%ld.%ld",
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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, "time=%ld.%ld",
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p->fts_statp->st_mtime, 0);
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# endif
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#else
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if (keys & F_TIME)
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output(&indent, "time=%ld.%ld",
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p->fts_statp->st_mtimespec.ts_sec,
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p->fts_statp->st_mtimespec.ts_nsec);
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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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(void)close(fd);
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output(&indent, "cksum=%lu", val);
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}
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if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) {
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if ((md5cp = MD5File(p->fts_accpath, md5buf)) == NULL)
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mtree_err("%s: %s", p->fts_accpath, "MD5File");
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output(&indent, "md5=%s", md5cp);
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}
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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, "link=%s", rlink(p->fts_accpath));
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if (keys & F_FLAGS && p->fts_statp->st_flags != flags)
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output(&indent, "flags=%s",
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flags_to_string(p->fts_statp->st_flags, "none"));
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(void)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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#define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */
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#define MTREE_MAXS 16
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static int
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statd(t, parent, puid, pgid, pmode, pflags)
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FTS *t;
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FTSENT *parent;
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uid_t *puid;
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gid_t *pgid;
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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;
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struct group *gr;
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struct passwd *pw;
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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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savegid = 0;
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saveuid = 0;
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savemode = 0;
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saveflags = 0;
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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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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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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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}
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(void)printf("/set type=file");
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if (keys & F_GID)
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(void)printf(" gid=%lu", (u_long)savegid);
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if (keys & F_GNAME) {
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if ((gr = getgrgid(savegid)) != NULL)
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(void)printf(" gname=%s", gr->gr_name);
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else
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(void)printf(" gid=%lu", (u_long)savegid);
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}
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if (keys & F_UNAME) {
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if ((pw = getpwuid(saveuid)) != NULL)
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(void)printf(" uname=%s", pw->pw_name);
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else
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(void)printf(" uid=%lu", (u_long)saveuid);
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}
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if (keys & F_UID)
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(void)printf(" uid=%lu", (u_long)saveuid);
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if (keys & F_MODE)
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(void)printf(" mode=%#lo", (u_long)savemode);
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if (keys & F_NLINK)
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(void)printf(" nlink=1");
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if (keys & F_FLAGS)
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(void)printf(" flags=%s",
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flags_to_string(saveflags, "none"));
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(void)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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return (0);
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}
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static int
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dsort(a, b)
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const FTSENT **a, **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))
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return (-1);
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return (strcmp((*a)->fts_name, (*b)->fts_name));
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}
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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void
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#if __STDC__
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output(int *offset, const char *fmt, ...)
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#else
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output(offset, fmt, va_alist)
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int *offset;
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char *fmt;
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va_dcl
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#endif
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{
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va_list ap;
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char buf[1024];
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#if __STDC__
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va_start(ap, fmt);
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#else
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va_start(ap);
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#endif
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(void)vsnprintf(buf, sizeof(buf), fmt, ap);
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va_end(ap);
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if (*offset + strlen(buf) > MAXLINELEN - 3) {
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(void)printf(" \\\n%*s", INDENTNAMELEN, "");
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*offset = INDENTNAMELEN;
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}
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*offset += printf(" %s", buf) + 1;
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}
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