OpenBSD-4.6/usr.sbin/mtree/compare.c
/* $NetBSD: compare.c,v 1.11 1996/09/05 09:56:48 mycroft Exp $ */
/* $OpenBSD: compare.c,v 1.21 2005/08/10 00:42:09 millert Exp $ */
/*-
* 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. 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
static const char sccsid[] = "@(#)compare.c 8.1 (Berkeley) 6/6/93";
#else
static const char rcsid[] = "$OpenBSD: compare.c,v 1.21 2005/08/10 00:42:09 millert Exp $";
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <fts.h>
#include <errno.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <md5.h>
#include <sha1.h>
#include <rmd160.h>
#include "mtree.h"
#include "extern.h"
extern int lflag, tflag, uflag;
static char *ftype(u_int);
#define INDENTNAMELEN 8
#define LABEL \
if (!label++) { \
len = printf("%s: ", RP(p)); \
if (len > INDENTNAMELEN) { \
tab = "\t"; \
(void)printf("\n"); \
} else { \
tab = ""; \
(void)printf("%*s", INDENTNAMELEN - (int)len, ""); \
} \
}
#define REPLACE_COMMA(x) \
do { \
char *l; \
for (l = x; *l; l++) { \
if (*l == ',') \
*l = ' '; \
} \
} while (0) \
int
compare(char *name, NODE *s, FTSENT *p)
{
u_int32_t len, val;
int fd, label;
char *cp, *tab = "";
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 (%s, %s)\n",
ftype(s->type), inotype(p->fts_statp->st_mode));
}
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 (%u, %u",
tab, s->st_uid, p->fts_statp->st_uid);
if (uflag)
if (chown(p->fts_accpath, s->st_uid, -1))
(void)printf(", not modified: %s)\n",
strerror(errno));
else
(void)printf(", modified)\n");
else
(void)printf(")\n");
tab = "\t";
}
if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) {
LABEL;
(void)printf("%sgid (%u, %u",
tab, s->st_gid, p->fts_statp->st_gid);
if (uflag)
if (chown(p->fts_accpath, -1, s->st_gid))
(void)printf(", not modified: %s)\n",
strerror(errno));
else
(void)printf(", modified)\n");
else
(void)printf(")\n");
tab = "\t";
}
if (s->flags & F_MODE &&
s->st_mode != (p->fts_statp->st_mode & MBITS)) {
if (lflag) {
mode_t tmode, mode;
tmode = s->st_mode;
mode = p->fts_statp->st_mode & MBITS;
/*
* if none of the suid/sgid/etc bits are set,
* then if the mode is a subset of the target,
* skip.
*/
if (!((tmode & ~(S_IRWXU|S_IRWXG|S_IRWXO)) ||
(mode & ~(S_IRWXU|S_IRWXG|S_IRWXO))))
if ((mode | tmode) == tmode)
goto skip;
}
LABEL;
(void)printf("%spermissions (%#o, %#o",
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",
strerror(errno));
else
(void)printf(", modified)\n");
else
(void)printf(")\n");
tab = "\t";
skip:
;
}
if (s->flags & F_NLINK && s->type != F_DIR &&
s->st_nlink != p->fts_statp->st_nlink) {
LABEL;
(void)printf("%slink count (%u, %u)\n",
tab, s->st_nlink, p->fts_statp->st_nlink);
tab = "\t";
}
if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size) {
LABEL;
(void)printf("%ssize (%qd, %qd)\n",
tab, s->st_size, p->fts_statp->st_size);
tab = "\t";
}
/*
* XXX
* Since utimes(2) only takes a timeval, there's no point in
* comparing the low bits of the timespec nanosecond field. This
* will only result in mismatches that we can never fix.
*
* Doesn't display microsecond differences.
*/
if (s->flags & F_TIME) {
struct timeval tv[2];
TIMESPEC_TO_TIMEVAL(&tv[0], &s->st_mtimespec);
TIMESPEC_TO_TIMEVAL(&tv[1], &p->fts_statp->st_mtimespec);
if (tv[0].tv_sec != tv[1].tv_sec ||
tv[0].tv_usec != tv[1].tv_usec) {
LABEL;
(void)printf("%smodification time (%.24s, ",
tab, ctime(&s->st_mtimespec.tv_sec));
(void)printf("%.24s",
ctime(&p->fts_statp->st_mtimespec.tv_sec));
if (tflag) {
tv[1] = tv[0];
if (utimes(p->fts_accpath, tv))
(void)printf(", not modified: %s)\n",
strerror(errno));
else
(void)printf(", modified)\n");
} else
(void)printf(")\n");
tab = "\t";
}
}
if (s->flags & F_CKSUM) {
if ((fd = open(p->fts_accpath, MTREE_O_FLAGS, 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 (%u, %u)\n",
tab, s->cksum, val);
}
tab = "\t";
}
}
if (s->flags & F_MD5) {
char *new_digest, buf[MD5_DIGEST_STRING_LENGTH];
new_digest = MD5File(p->fts_accpath, buf);
if (!new_digest) {
LABEL;
printf("%sMD5File: %s: %s\n", tab, p->fts_accpath,
strerror(errno));
tab = "\t";
} else if (strcmp(new_digest, s->md5digest)) {
LABEL;
printf("%sMD5 (%s, %s)\n", tab, s->md5digest,
new_digest);
tab = "\t";
}
}
if (s->flags & F_RMD160) {
char *new_digest, buf[RMD160_DIGEST_STRING_LENGTH];
new_digest = RMD160File(p->fts_accpath, buf);
if (!new_digest) {
LABEL;
printf("%sRMD160File: %s: %s\n", tab, p->fts_accpath,
strerror(errno));
tab = "\t";
} else if (strcmp(new_digest, s->rmd160digest)) {
LABEL;
printf("%sRMD160 (%s, %s)\n", tab, s->rmd160digest,
new_digest);
tab = "\t";
}
}
if (s->flags & F_SHA1) {
char *new_digest, buf[SHA1_DIGEST_STRING_LENGTH];
new_digest = SHA1File(p->fts_accpath, buf);
if (!new_digest) {
LABEL;
printf("%sSHA1File: %s: %s\n", tab, p->fts_accpath,
strerror(errno));
tab = "\t";
} else if (strcmp(new_digest, s->sha1digest)) {
LABEL;
printf("%sSHA1 (%s, %s)\n", tab, s->sha1digest,
new_digest);
tab = "\t";
}
}
if (s->flags & F_SLINK && strcmp(cp = rlink(name), s->slink)) {
LABEL;
(void)printf("%slink ref (%s, %s)\n", tab, cp, s->slink);
}
if (s->flags & F_FLAGS && s->file_flags != p->fts_statp->st_flags) {
char *db_flags = NULL;
char *cur_flags = NULL;
if ((db_flags = fflagstostr(s->file_flags)) == NULL ||
(cur_flags = fflagstostr(p->fts_statp->st_flags)) == NULL) {
LABEL;
(void)printf("%sflags: %s %s\n", tab, p->fts_accpath,
strerror(errno));
tab = "\t";
if (db_flags != NULL)
free(db_flags);
if (cur_flags != NULL)
free(cur_flags);
} else {
LABEL;
REPLACE_COMMA(db_flags);
REPLACE_COMMA(cur_flags);
printf("%sflags (%s, %s", tab, (*db_flags == '\0') ?
"-" : db_flags,
(*cur_flags == '\0') ?
"-" : cur_flags);
tab = "\t";
if (uflag)
if (chflags(p->fts_accpath, s->file_flags))
(void)printf(", not modified: %s)\n",
strerror(errno));
else
(void)printf(", modified)\n");
else
(void)printf(")\n");
tab = "\t";
free(db_flags);
free(cur_flags);
}
}
return (label);
}
char *
inotype(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 */
}
static char *
ftype(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(char *name)
{
static char lbuf[MAXPATHLEN];
int len;
if ((len = readlink(name, lbuf, sizeof(lbuf)-1)) == -1)
error("%s: %s", name, strerror(errno));
lbuf[len] = '\0';
return (lbuf);
}