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/*-
* Copyright (c) 1991, 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93";
#endif /*not lint */
#endif
#include <sys/cdefs.h>
#include <errno.h>
__FBSDID("$FreeBSD: src/usr.sbin/mtree/misc.c,v 1.16 2005/03/29 11:44:17 tobez Exp $");
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <fts.h>
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include "metrics.h"
#include "mtree.h"
#include "extern.h"
#import <sys/attr.h>
#include <vis.h>
typedef struct _key {
const char *name; /* key name */
u_int val; /* value */
#define NEEDVALUE 0x01
u_int flags;
} KEY;
/* NB: the following table must be sorted lexically. */
static KEY keylist[] = {
{"acldigest", F_ACL, NEEDVALUE},
{"atime", F_ATIME, NEEDVALUE},
{"btime", F_BTIME, NEEDVALUE},
{"cksum", F_CKSUM, NEEDVALUE},
{"ctime", F_CTIME, NEEDVALUE},
{"flags", F_FLAGS, NEEDVALUE},
{"gid", F_GID, NEEDVALUE},
{"gname", F_GNAME, NEEDVALUE},
{"ignore", F_IGN, 0},
{"inode", F_INODE, NEEDVALUE},
{"link", F_SLINK, NEEDVALUE},
#ifdef ENABLE_MD5
{"md5digest", F_MD5, NEEDVALUE},
#endif
{"mode", F_MODE, NEEDVALUE},
{"nlink", F_NLINK, NEEDVALUE},
{"nochange", F_NOCHANGE, 0},
{"ptime", F_PTIME, NEEDVALUE},
#ifdef ENABLE_RMD160
{"ripemd160digest", F_RMD160, NEEDVALUE},
#endif
#ifdef ENABLE_SHA1
{"sha1digest", F_SHA1, NEEDVALUE},
#endif
#ifdef ENABLE_SHA256
{"sha256digest", F_SHA256, NEEDVALUE},
#endif
{"siblingid", F_SIBLINGID, NEEDVALUE},
{"size", F_SIZE, NEEDVALUE},
{"time", F_TIME, NEEDVALUE},
{"type", F_TYPE, NEEDVALUE},
{"uid", F_UID, NEEDVALUE},
{"uname", F_UNAME, NEEDVALUE},
{"xattrsdigest", F_XATTRS, NEEDVALUE},
};
int keycompare(const void *, const void *);
u_int
parsekey(char *name, int *needvaluep)
{
KEY *k, tmp;
tmp.name = name;
k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
sizeof(KEY), keycompare);
if (k == NULL) {
RECORD_FAILURE(107, EINVAL);
errx(1, "line %d: unknown keyword %s", lineno, name);
}
if (needvaluep)
*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
return (k->val);
}
int
keycompare(const void *a, const void *b)
{
return (strcmp(((const KEY *)a)->name, ((const KEY *)b)->name));
}
char *
flags_to_string(u_long fflags)
{
int error = 0;
char *string;
string = fflagstostr(fflags);
if (string != NULL && *string == '\0') {
free(string);
string = strdup("none");
}
if (string == NULL) {
error = errno;
RECORD_FAILURE(108, error);
errc(1, error, NULL);
}
return string;
}
// escape path and always return a new string so it can be freed
char *
escape_path(char *string)
{
char *escapedPath = calloc(1, strlen(string) * 4 + 1);
if (escapedPath == NULL) {
RECORD_FAILURE(109, ENOMEM);
errx(1, "escape_path(): calloc() failed");
}
strvis(escapedPath, string, VIS_NL | VIS_CSTYLE | VIS_OCTAL);
return escapedPath;
}
struct ptimebuf {
uint32_t length;
attribute_set_t returned_attrs;
struct timespec st_ptimespec;
} __attribute__((aligned(4), packed));
// ptime is not supported on root filesystems or HFS filesystems older than the feature being introduced
struct timespec
ptime(char *path, int *supported) {
int error = 0;
int ret = 0;
struct ptimebuf buf;
struct attrlist list = {
.bitmapcount = ATTR_BIT_MAP_COUNT,
.commonattr = ATTR_CMN_RETURNED_ATTRS | ATTR_CMN_ADDEDTIME,
};
ret = getattrlist(path, &list, &buf, sizeof(buf), FSOPT_NOFOLLOW);
if (ret) {
error = errno;
RECORD_FAILURE(110, error);
errc(1, error, "ptime: getattrlist");
}
*supported = 0;
if (buf.returned_attrs.commonattr & ATTR_CMN_ADDEDTIME) {
*supported = 1;
}
return buf.st_ptimespec;
}
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