misc.c revision 144295 
1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if 0
31#ifndef lint
32static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/6/93";
33#endif /*not lint */
34#endif
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/usr.sbin/mtree/misc.c 144295 2005-03-29 11:44:17Z tobez $");
37
38#include <sys/types.h>
39#include <sys/stat.h>
40#include <err.h>
41#include <fts.h>
42#include <stdio.h>
43#include <unistd.h>
44#include "mtree.h"
45#include "extern.h"
46
47typedef struct _key {
48	const char *name;			/* key name */
49	u_int val;			/* value */
50
51#define	NEEDVALUE	0x01
52	u_int flags;
53} KEY;
54
55/* NB: the following table must be sorted lexically. */
56static KEY keylist[] = {
57	{"cksum",	F_CKSUM,	NEEDVALUE},
58	{"flags",	F_FLAGS,	NEEDVALUE},
59	{"gid",		F_GID,		NEEDVALUE},
60	{"gname",	F_GNAME,	NEEDVALUE},
61	{"ignore",	F_IGN,		0},
62	{"link",	F_SLINK,	NEEDVALUE},
63#ifdef MD5
64	{"md5digest",	F_MD5,		NEEDVALUE},
65#endif
66	{"mode",	F_MODE,		NEEDVALUE},
67	{"nlink",	F_NLINK,	NEEDVALUE},
68	{"nochange",	F_NOCHANGE,	0},
69#ifdef RMD160
70	{"ripemd160digest", F_RMD160,	NEEDVALUE},
71#endif
72#ifdef SHA1
73	{"sha1digest",	F_SHA1,		NEEDVALUE},
74#endif
75#ifdef SHA256
76	{"sha256digest",	F_SHA256,		NEEDVALUE},
77#endif
78	{"size",	F_SIZE,		NEEDVALUE},
79	{"time",	F_TIME,		NEEDVALUE},
80	{"type",	F_TYPE,		NEEDVALUE},
81	{"uid",		F_UID,		NEEDVALUE},
82	{"uname",	F_UNAME,	NEEDVALUE},
83};
84
85int keycompare(const void *, const void *);
86
87u_int
88parsekey(char *name, int *needvaluep)
89{
90	KEY *k, tmp;
91
92	tmp.name = name;
93	k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
94	    sizeof(KEY), keycompare);
95	if (k == NULL)
96		errx(1, "line %d: unknown keyword %s", lineno, name);
97
98	if (needvaluep)
99		*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
100	return (k->val);
101}
102
103int
104keycompare(const void *a, const void *b)
105{
106	return (strcmp(((const KEY *)a)->name, ((const KEY *)b)->name));
107}
108
109char *
110flags_to_string(u_long fflags)
111{
112	char *string;
113
114	string = fflagstostr(fflags);
115	if (string != NULL && *string == '\0') {
116		free(string);
117		string = strdup("none");
118	}
119	if (string == NULL)
120		err(1, NULL);
121
122	return string;
123}
124