freebsd-skq/usr.sbin/mtree/verify.c

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/*-
* Copyright (c) 1990, 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
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* 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.
*/
#if 0
#ifndef lint
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static char sccsid[] = "@(#)verify.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
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#include <sys/param.h>
#include <sys/stat.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
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#include <fts.h>
#include <fnmatch.h>
#include <stdio.h>
#include <unistd.h>
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#include "mtree.h"
#include "extern.h"
static NODE *root;
static char path[MAXPATHLEN];
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static void miss(NODE *, char *);
static int vwalk(void);
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int
mtree_verifyspec(FILE *fi)
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{
int rval;
root = mtree_readspec(fi);
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rval = vwalk();
miss(root, path);
return (rval);
}
static int
vwalk(void)
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{
FTS *t;
FTSENT *p;
NODE *ep, *level;
int specdepth, rval;
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char *argv[2];
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char dot[] = ".";
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argv[0] = dot;
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argv[1] = NULL;
if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
err(1, "line %d: fts_open", lineno);
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level = root;
specdepth = rval = 0;
while ((p = fts_read(t))) {
if (check_excludes(p->fts_name, p->fts_path)) {
fts_set(t, p, FTS_SKIP);
continue;
}
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switch(p->fts_info) {
case FTS_D:
case FTS_SL:
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break;
case FTS_DP:
if (specdepth > p->fts_level) {
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for (level = level->parent; level->prev;
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level = level->prev);
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--specdepth;
}
continue;
case FTS_DNR:
case FTS_ERR:
case FTS_NS:
warnx("%s: %s", RP(p), strerror(p->fts_errno));
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continue;
default:
if (dflag)
continue;
}
if (specdepth != p->fts_level)
goto extra;
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for (ep = level; ep; ep = ep->next)
if ((ep->flags & F_MAGIC &&
!fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
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!strcmp(ep->name, p->fts_name)) {
ep->flags |= F_VISIT;
if ((ep->flags & F_NOCHANGE) == 0 &&
compare(ep->name, ep, p))
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rval = MISMATCHEXIT;
if (ep->flags & F_IGN)
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(void)fts_set(t, p, FTS_SKIP);
else if (ep->child && ep->type == F_DIR &&
p->fts_info == FTS_D) {
level = ep->child;
++specdepth;
}
break;
}
if (ep)
continue;
extra:
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if (!eflag) {
(void)printf("%s extra", RP(p));
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if (rflag) {
if ((S_ISDIR(p->fts_statp->st_mode)
? rmdir : unlink)(p->fts_accpath)) {
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(void)printf(", not removed: %s",
strerror(errno));
} else
(void)printf(", removed");
}
(void)putchar('\n');
}
(void)fts_set(t, p, FTS_SKIP);
}
(void)fts_close(t);
if (sflag)
warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
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return (rval);
}
static void
miss(NODE *p, char *tail)
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{
int create;
char *tp;
const char *type, *what;
int serr;
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for (; p; p = p->next) {
if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
continue;
(void)strcpy(tail, p->name);
if (!(p->flags & F_VISIT)) {
/* Don't print missing message if file exists as a
symbolic link and the -q flag is set. */
struct stat statbuf;
if (qflag && stat(path, &statbuf) == 0)
p->flags |= F_VISIT;
else
(void)printf("%s missing", path);
}
if (p->type != F_DIR && p->type != F_LINK) {
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putchar('\n');
continue;
}
create = 0;
if (p->type == F_LINK)
type = "symlink";
else
type = "directory";
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if (!(p->flags & F_VISIT) && uflag) {
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if (!(p->flags & (F_UID | F_UNAME)))
(void)printf(" (%s not created: user not specified)", type);
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else if (!(p->flags & (F_GID | F_GNAME)))
(void)printf(" (%s not created: group not specified)", type);
else if (p->type == F_LINK) {
if (symlink(p->slink, path))
(void)printf(" (symlink not created: %s)\n",
strerror(errno));
else
(void)printf(" (created)\n");
if (lchown(path, p->st_uid, p->st_gid) == -1) {
serr = errno;
if (p->st_uid == (uid_t)-1)
what = "group";
else if (lchown(path, (uid_t)-1,
p->st_gid) == -1)
what = "user & group";
else {
what = "user";
errno = serr;
}
(void)printf("%s: %s not modified: %s"
"\n", path, what, strerror(errno));
}
continue;
} else if (!(p->flags & F_MODE))
(void)printf(" (directory not created: mode not specified)");
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else if (mkdir(path, S_IRWXU))
(void)printf(" (directory not created: %s)",
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strerror(errno));
else {
create = 1;
(void)printf(" (created)");
}
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}
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if (!(p->flags & F_VISIT))
(void)putchar('\n');
for (tp = tail; *tp; ++tp);
*tp = '/';
miss(p->child, tp + 1);
*tp = '\0';
if (!create)
continue;
if (chown(path, p->st_uid, p->st_gid) == -1) {
serr = errno;
if (p->st_uid == (uid_t)-1)
what = "group";
else if (chown(path, (uid_t)-1, p->st_gid) == -1)
what = "user & group";
else {
what = "user";
errno = serr;
}
(void)printf("%s: %s not modified: %s\n",
path, what, strerror(errno));
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}
if (chmod(path, p->st_mode))
(void)printf("%s: permissions not set: %s\n",
path, strerror(errno));
if ((p->flags & F_FLAGS) && p->st_flags &&
chflags(path, p->st_flags))
(void)printf("%s: file flags not set: %s\n",
path, strerror(errno));
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}
}