freebsd-dev/usr.sbin/mtree/compare.c

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/*-
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
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static char sccsid[] = "@(#)compare.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
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#include <fcntl.h>
#include <fts.h>
#ifdef MD5
#include <md5.h>
#endif
#ifdef SHA1
#include <sha.h>
#endif
#ifdef RMD160
#include <ripemd.h>
#endif
#include <stdint.h>
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#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include "mtree.h"
#include "extern.h"
extern int uflag;
extern int lineno;
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static const char *ftype(u_int);
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#define INDENTNAMELEN 8
#define LABEL \
if (!label++) { \
len = printf("%s changed\n", RP(p)); \
tab = "\t"; \
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}
int
compare(name, s, p)
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char *name __unused;
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register NODE *s;
register FTSENT *p;
{
extern int uflag;
u_long len, val;
int fd, label;
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char *cp;
const char *tab = "";
char *fflags;
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label = 0;
switch(s->type) {
case F_BLOCK:
if (!S_ISBLK(p->fts_statp->st_mode))
goto typeerr;
break;
case F_CHAR:
if (!S_ISCHR(p->fts_statp->st_mode))
goto typeerr;
break;
case F_DIR:
if (!S_ISDIR(p->fts_statp->st_mode))
goto typeerr;
break;
case F_FIFO:
if (!S_ISFIFO(p->fts_statp->st_mode))
goto typeerr;
break;
case F_FILE:
if (!S_ISREG(p->fts_statp->st_mode))
goto typeerr;
break;
case F_LINK:
if (!S_ISLNK(p->fts_statp->st_mode))
goto typeerr;
break;
case F_SOCK:
if (!S_ISSOCK(p->fts_statp->st_mode)) {
typeerr: LABEL;
(void)printf("\ttype expected %s found %s\n",
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ftype(s->type), inotype(p->fts_statp->st_mode));
return (label);
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}
break;
}
/* Set the uid/gid first, then set the mode. */
if (s->flags & (F_UID | F_UNAME) && s->st_uid != p->fts_statp->st_uid) {
LABEL;
(void)printf("%suser expected %lu found %lu",
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tab, (u_long)s->st_uid, (u_long)p->fts_statp->st_uid);
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if (uflag)
if (chown(p->fts_accpath, s->st_uid, -1))
(void)printf(" not modified: %s\n",
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strerror(errno));
else
(void)printf(" modified\n");
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else
(void)printf("\n");
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tab = "\t";
}
if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) {
LABEL;
(void)printf("%sgid expected %lu found %lu",
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tab, (u_long)s->st_gid, (u_long)p->fts_statp->st_gid);
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if (uflag)
if (chown(p->fts_accpath, -1, s->st_gid))
(void)printf(" not modified: %s\n",
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strerror(errno));
else
(void)printf(" modified\n");
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else
(void)printf("\n");
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tab = "\t";
}
if (s->flags & F_MODE &&
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!S_ISLNK(p->fts_statp->st_mode) &&
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s->st_mode != (p->fts_statp->st_mode & MBITS)) {
LABEL;
(void)printf("%spermissions expected %#o found %#o",
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tab, s->st_mode, p->fts_statp->st_mode & MBITS);
if (uflag)
if (chmod(p->fts_accpath, s->st_mode))
(void)printf(" not modified: %s\n",
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strerror(errno));
else
(void)printf(" modified\n");
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else
(void)printf("\n");
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tab = "\t";
}
if (s->flags & F_NLINK && s->type != F_DIR &&
s->st_nlink != p->fts_statp->st_nlink) {
LABEL;
(void)printf("%slink_count expected %u found %u\n",
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tab, s->st_nlink, p->fts_statp->st_nlink);
tab = "\t";
}
if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size &&
!S_ISDIR(p->fts_statp->st_mode)) {
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LABEL;
(void)printf("%ssize expected %jd found %jd\n", tab,
(intmax_t)s->st_size, (intmax_t)p->fts_statp->st_size);
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tab = "\t";
}
/*
* XXX
* Catches nano-second differences, but doesn't display them.
*/
if ((s->flags & F_TIME) &&
((s->st_mtimespec.tv_sec != p->fts_statp->st_mtimespec.tv_sec) ||
(s->st_mtimespec.tv_nsec != p->fts_statp->st_mtimespec.tv_nsec))) {
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LABEL;
(void)printf("%smodification time expected %.24s ",
tab, ctime(&s->st_mtimespec.tv_sec));
(void)printf("found %.24s\n",
ctime(&p->fts_statp->st_mtimespec.tv_sec));
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tab = "\t";
}
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if (s->flags & F_CKSUM) {
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if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0) {
LABEL;
(void)printf("%scksum: %s: %s\n",
tab, p->fts_accpath, strerror(errno));
tab = "\t";
} else if (crc(fd, &val, &len)) {
(void)close(fd);
LABEL;
(void)printf("%scksum: %s: %s\n",
tab, p->fts_accpath, strerror(errno));
tab = "\t";
} else {
(void)close(fd);
if (s->cksum != val) {
LABEL;
(void)printf("%scksum expected %lu found %lu\n",
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tab, s->cksum, val);
}
tab = "\t";
}
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}
/*
* XXX
* since chflags(2) will reset file times, the utimes() above
* may have been useless! oh well, we'd rather have correct
* flags, rather than times?
*/
if ((s->flags & F_FLAGS) && s->st_flags != p->fts_statp->st_flags) {
LABEL;
fflags = flags_to_string(s->st_flags);
(void)printf("%sflags expected \"%s\"", tab, fflags);
free(fflags);
fflags = flags_to_string(p->fts_statp->st_flags);
(void)printf(" found \"%s\"", fflags);
free(fflags);
if (uflag)
if (chflags(p->fts_accpath, s->st_flags))
(void)printf(" not modified: %s\n",
strerror(errno));
else
(void)printf(" modified\n");
else
(void)printf("\n");
tab = "\t";
}
#ifdef MD5
if (s->flags & F_MD5) {
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char *new_digest, buf[33];
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new_digest = MD5File(p->fts_accpath, buf);
if (!new_digest) {
LABEL;
printf("%sMD5: %s: %s\n", tab, p->fts_accpath,
strerror(errno));
tab = "\t";
} else if (strcmp(new_digest, s->md5digest)) {
LABEL;
printf("%sMD5 expected %s found %s\n", tab, s->md5digest,
new_digest);
tab = "\t";
}
}
#endif /* MD5 */
#ifdef SHA1
if (s->flags & F_SHA1) {
char *new_digest, buf[41];
new_digest = SHA1_File(p->fts_accpath, buf);
if (!new_digest) {
LABEL;
printf("%sSHA-1: %s: %s\n", tab, p->fts_accpath,
strerror(errno));
tab = "\t";
} else if (strcmp(new_digest, s->sha1digest)) {
LABEL;
printf("%sSHA-1 expected %s found %s\n",
tab, s->sha1digest, new_digest);
tab = "\t";
}
}
#endif /* SHA1 */
#ifdef RMD160
if (s->flags & F_RMD160) {
char *new_digest, buf[41];
new_digest = RIPEMD160_File(p->fts_accpath, buf);
if (!new_digest) {
LABEL;
printf("%sRIPEMD160: %s: %s\n", tab,
p->fts_accpath, strerror(errno));
tab = "\t";
} else if (strcmp(new_digest, s->rmd160digest)) {
LABEL;
printf("%sRIPEMD160 expected %s found %s\n",
tab, s->rmd160digest, new_digest);
tab = "\t";
}
}
#endif /* RMD160 */
if (s->flags & F_SLINK &&
strcmp(cp = rlink(p->fts_accpath), s->slink)) {
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LABEL;
(void)printf("%slink_ref expected %s found %s\n",
tab, cp, s->slink);
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}
return (label);
}
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const char *
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inotype(type)
u_int type;
{
switch(type & S_IFMT) {
case S_IFBLK:
return ("block");
case S_IFCHR:
return ("char");
case S_IFDIR:
return ("dir");
case S_IFIFO:
return ("fifo");
case S_IFREG:
return ("file");
case S_IFLNK:
return ("link");
case S_IFSOCK:
return ("socket");
default:
return ("unknown");
}
/* NOTREACHED */
}
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static const char *
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ftype(type)
u_int type;
{
switch(type) {
case F_BLOCK:
return ("block");
case F_CHAR:
return ("char");
case F_DIR:
return ("dir");
case F_FIFO:
return ("fifo");
case F_FILE:
return ("file");
case F_LINK:
return ("link");
case F_SOCK:
return ("socket");
default:
return ("unknown");
}
/* NOTREACHED */
}
char *
rlink(name)
char *name;
{
static char lbuf[MAXPATHLEN];
register int len;
if ((len = readlink(name, lbuf, sizeof(lbuf) - 1)) == -1)
err(1, "line %d: %s", lineno, name);
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lbuf[len] = '\0';
return (lbuf);
}